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v5.4
   1/*
   2 * Copyright 2010 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 * Authors: Alex Deucher
  23 */
  24
  25#include <linux/firmware.h>
 
  26#include <linux/slab.h>
  27
  28#include <drm/drm_pci.h>
  29#include <drm/drm_vblank.h>
  30#include <drm/radeon_drm.h>
 
 
  31
  32#include "atom.h"
  33#include "avivod.h"
 
 
 
 
  34#include "evergreen_blit_shaders.h"
  35#include "evergreen_reg.h"
  36#include "evergreend.h"
  37#include "radeon.h"
  38#include "radeon_asic.h"
  39#include "radeon_audio.h"
  40#include "radeon_ucode.h"
 
  41
  42#define DC_HPDx_CONTROL(x)        (DC_HPD1_CONTROL     + (x * 0xc))
  43#define DC_HPDx_INT_CONTROL(x)    (DC_HPD1_INT_CONTROL + (x * 0xc))
  44#define DC_HPDx_INT_STATUS_REG(x) (DC_HPD1_INT_STATUS  + (x * 0xc))
  45
  46/*
  47 * Indirect registers accessor
  48 */
  49u32 eg_cg_rreg(struct radeon_device *rdev, u32 reg)
  50{
  51	unsigned long flags;
  52	u32 r;
  53
  54	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
  55	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
  56	r = RREG32(EVERGREEN_CG_IND_DATA);
  57	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
  58	return r;
  59}
  60
  61void eg_cg_wreg(struct radeon_device *rdev, u32 reg, u32 v)
  62{
  63	unsigned long flags;
  64
  65	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
  66	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
  67	WREG32(EVERGREEN_CG_IND_DATA, (v));
  68	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
  69}
  70
  71u32 eg_pif_phy0_rreg(struct radeon_device *rdev, u32 reg)
  72{
  73	unsigned long flags;
  74	u32 r;
  75
  76	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
  77	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
  78	r = RREG32(EVERGREEN_PIF_PHY0_DATA);
  79	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
  80	return r;
  81}
  82
  83void eg_pif_phy0_wreg(struct radeon_device *rdev, u32 reg, u32 v)
  84{
  85	unsigned long flags;
  86
  87	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
  88	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
  89	WREG32(EVERGREEN_PIF_PHY0_DATA, (v));
  90	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
  91}
  92
  93u32 eg_pif_phy1_rreg(struct radeon_device *rdev, u32 reg)
  94{
  95	unsigned long flags;
  96	u32 r;
  97
  98	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
  99	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
 100	r = RREG32(EVERGREEN_PIF_PHY1_DATA);
 101	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
 102	return r;
 103}
 104
 105void eg_pif_phy1_wreg(struct radeon_device *rdev, u32 reg, u32 v)
 106{
 107	unsigned long flags;
 108
 109	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
 110	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
 111	WREG32(EVERGREEN_PIF_PHY1_DATA, (v));
 112	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
 113}
 114
 115static const u32 crtc_offsets[6] =
 116{
 117	EVERGREEN_CRTC0_REGISTER_OFFSET,
 118	EVERGREEN_CRTC1_REGISTER_OFFSET,
 119	EVERGREEN_CRTC2_REGISTER_OFFSET,
 120	EVERGREEN_CRTC3_REGISTER_OFFSET,
 121	EVERGREEN_CRTC4_REGISTER_OFFSET,
 122	EVERGREEN_CRTC5_REGISTER_OFFSET
 123};
 124
 125#include "clearstate_evergreen.h"
 126
 127static const u32 sumo_rlc_save_restore_register_list[] =
 128{
 129	0x98fc,
 130	0x9830,
 131	0x9834,
 132	0x9838,
 133	0x9870,
 134	0x9874,
 135	0x8a14,
 136	0x8b24,
 137	0x8bcc,
 138	0x8b10,
 139	0x8d00,
 140	0x8d04,
 141	0x8c00,
 142	0x8c04,
 143	0x8c08,
 144	0x8c0c,
 145	0x8d8c,
 146	0x8c20,
 147	0x8c24,
 148	0x8c28,
 149	0x8c18,
 150	0x8c1c,
 151	0x8cf0,
 152	0x8e2c,
 153	0x8e38,
 154	0x8c30,
 155	0x9508,
 156	0x9688,
 157	0x9608,
 158	0x960c,
 159	0x9610,
 160	0x9614,
 161	0x88c4,
 162	0x88d4,
 163	0xa008,
 164	0x900c,
 165	0x9100,
 166	0x913c,
 167	0x98f8,
 168	0x98f4,
 169	0x9b7c,
 170	0x3f8c,
 171	0x8950,
 172	0x8954,
 173	0x8a18,
 174	0x8b28,
 175	0x9144,
 176	0x9148,
 177	0x914c,
 178	0x3f90,
 179	0x3f94,
 180	0x915c,
 181	0x9160,
 182	0x9178,
 183	0x917c,
 184	0x9180,
 185	0x918c,
 186	0x9190,
 187	0x9194,
 188	0x9198,
 189	0x919c,
 190	0x91a8,
 191	0x91ac,
 192	0x91b0,
 193	0x91b4,
 194	0x91b8,
 195	0x91c4,
 196	0x91c8,
 197	0x91cc,
 198	0x91d0,
 199	0x91d4,
 200	0x91e0,
 201	0x91e4,
 202	0x91ec,
 203	0x91f0,
 204	0x91f4,
 205	0x9200,
 206	0x9204,
 207	0x929c,
 208	0x9150,
 209	0x802c,
 210};
 211
 212static void evergreen_gpu_init(struct radeon_device *rdev);
 213void evergreen_fini(struct radeon_device *rdev);
 214void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
 215void evergreen_program_aspm(struct radeon_device *rdev);
 216extern void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
 217				     int ring, u32 cp_int_cntl);
 218extern void cayman_vm_decode_fault(struct radeon_device *rdev,
 219				   u32 status, u32 addr);
 220void cik_init_cp_pg_table(struct radeon_device *rdev);
 221
 222extern u32 si_get_csb_size(struct radeon_device *rdev);
 223extern void si_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer);
 224extern u32 cik_get_csb_size(struct radeon_device *rdev);
 225extern void cik_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer);
 226extern void rv770_set_clk_bypass_mode(struct radeon_device *rdev);
 227
 228static const u32 evergreen_golden_registers[] =
 229{
 230	0x3f90, 0xffff0000, 0xff000000,
 231	0x9148, 0xffff0000, 0xff000000,
 232	0x3f94, 0xffff0000, 0xff000000,
 233	0x914c, 0xffff0000, 0xff000000,
 234	0x9b7c, 0xffffffff, 0x00000000,
 235	0x8a14, 0xffffffff, 0x00000007,
 236	0x8b10, 0xffffffff, 0x00000000,
 237	0x960c, 0xffffffff, 0x54763210,
 238	0x88c4, 0xffffffff, 0x000000c2,
 239	0x88d4, 0xffffffff, 0x00000010,
 240	0x8974, 0xffffffff, 0x00000000,
 241	0xc78, 0x00000080, 0x00000080,
 242	0x5eb4, 0xffffffff, 0x00000002,
 243	0x5e78, 0xffffffff, 0x001000f0,
 244	0x6104, 0x01000300, 0x00000000,
 245	0x5bc0, 0x00300000, 0x00000000,
 246	0x7030, 0xffffffff, 0x00000011,
 247	0x7c30, 0xffffffff, 0x00000011,
 248	0x10830, 0xffffffff, 0x00000011,
 249	0x11430, 0xffffffff, 0x00000011,
 250	0x12030, 0xffffffff, 0x00000011,
 251	0x12c30, 0xffffffff, 0x00000011,
 252	0xd02c, 0xffffffff, 0x08421000,
 253	0x240c, 0xffffffff, 0x00000380,
 254	0x8b24, 0xffffffff, 0x00ff0fff,
 255	0x28a4c, 0x06000000, 0x06000000,
 256	0x10c, 0x00000001, 0x00000001,
 257	0x8d00, 0xffffffff, 0x100e4848,
 258	0x8d04, 0xffffffff, 0x00164745,
 259	0x8c00, 0xffffffff, 0xe4000003,
 260	0x8c04, 0xffffffff, 0x40600060,
 261	0x8c08, 0xffffffff, 0x001c001c,
 262	0x8cf0, 0xffffffff, 0x08e00620,
 263	0x8c20, 0xffffffff, 0x00800080,
 264	0x8c24, 0xffffffff, 0x00800080,
 265	0x8c18, 0xffffffff, 0x20202078,
 266	0x8c1c, 0xffffffff, 0x00001010,
 267	0x28350, 0xffffffff, 0x00000000,
 268	0xa008, 0xffffffff, 0x00010000,
 269	0x5c4, 0xffffffff, 0x00000001,
 270	0x9508, 0xffffffff, 0x00000002,
 271	0x913c, 0x0000000f, 0x0000000a
 272};
 273
 274static const u32 evergreen_golden_registers2[] =
 275{
 276	0x2f4c, 0xffffffff, 0x00000000,
 277	0x54f4, 0xffffffff, 0x00000000,
 278	0x54f0, 0xffffffff, 0x00000000,
 279	0x5498, 0xffffffff, 0x00000000,
 280	0x549c, 0xffffffff, 0x00000000,
 281	0x5494, 0xffffffff, 0x00000000,
 282	0x53cc, 0xffffffff, 0x00000000,
 283	0x53c8, 0xffffffff, 0x00000000,
 284	0x53c4, 0xffffffff, 0x00000000,
 285	0x53c0, 0xffffffff, 0x00000000,
 286	0x53bc, 0xffffffff, 0x00000000,
 287	0x53b8, 0xffffffff, 0x00000000,
 288	0x53b4, 0xffffffff, 0x00000000,
 289	0x53b0, 0xffffffff, 0x00000000
 290};
 291
 292static const u32 cypress_mgcg_init[] =
 293{
 294	0x802c, 0xffffffff, 0xc0000000,
 295	0x5448, 0xffffffff, 0x00000100,
 296	0x55e4, 0xffffffff, 0x00000100,
 297	0x160c, 0xffffffff, 0x00000100,
 298	0x5644, 0xffffffff, 0x00000100,
 299	0xc164, 0xffffffff, 0x00000100,
 300	0x8a18, 0xffffffff, 0x00000100,
 301	0x897c, 0xffffffff, 0x06000100,
 302	0x8b28, 0xffffffff, 0x00000100,
 303	0x9144, 0xffffffff, 0x00000100,
 304	0x9a60, 0xffffffff, 0x00000100,
 305	0x9868, 0xffffffff, 0x00000100,
 306	0x8d58, 0xffffffff, 0x00000100,
 307	0x9510, 0xffffffff, 0x00000100,
 308	0x949c, 0xffffffff, 0x00000100,
 309	0x9654, 0xffffffff, 0x00000100,
 310	0x9030, 0xffffffff, 0x00000100,
 311	0x9034, 0xffffffff, 0x00000100,
 312	0x9038, 0xffffffff, 0x00000100,
 313	0x903c, 0xffffffff, 0x00000100,
 314	0x9040, 0xffffffff, 0x00000100,
 315	0xa200, 0xffffffff, 0x00000100,
 316	0xa204, 0xffffffff, 0x00000100,
 317	0xa208, 0xffffffff, 0x00000100,
 318	0xa20c, 0xffffffff, 0x00000100,
 319	0x971c, 0xffffffff, 0x00000100,
 320	0x977c, 0xffffffff, 0x00000100,
 321	0x3f80, 0xffffffff, 0x00000100,
 322	0xa210, 0xffffffff, 0x00000100,
 323	0xa214, 0xffffffff, 0x00000100,
 324	0x4d8, 0xffffffff, 0x00000100,
 325	0x9784, 0xffffffff, 0x00000100,
 326	0x9698, 0xffffffff, 0x00000100,
 327	0x4d4, 0xffffffff, 0x00000200,
 328	0x30cc, 0xffffffff, 0x00000100,
 329	0xd0c0, 0xffffffff, 0xff000100,
 330	0x802c, 0xffffffff, 0x40000000,
 331	0x915c, 0xffffffff, 0x00010000,
 332	0x9160, 0xffffffff, 0x00030002,
 333	0x9178, 0xffffffff, 0x00070000,
 334	0x917c, 0xffffffff, 0x00030002,
 335	0x9180, 0xffffffff, 0x00050004,
 336	0x918c, 0xffffffff, 0x00010006,
 337	0x9190, 0xffffffff, 0x00090008,
 338	0x9194, 0xffffffff, 0x00070000,
 339	0x9198, 0xffffffff, 0x00030002,
 340	0x919c, 0xffffffff, 0x00050004,
 341	0x91a8, 0xffffffff, 0x00010006,
 342	0x91ac, 0xffffffff, 0x00090008,
 343	0x91b0, 0xffffffff, 0x00070000,
 344	0x91b4, 0xffffffff, 0x00030002,
 345	0x91b8, 0xffffffff, 0x00050004,
 346	0x91c4, 0xffffffff, 0x00010006,
 347	0x91c8, 0xffffffff, 0x00090008,
 348	0x91cc, 0xffffffff, 0x00070000,
 349	0x91d0, 0xffffffff, 0x00030002,
 350	0x91d4, 0xffffffff, 0x00050004,
 351	0x91e0, 0xffffffff, 0x00010006,
 352	0x91e4, 0xffffffff, 0x00090008,
 353	0x91e8, 0xffffffff, 0x00000000,
 354	0x91ec, 0xffffffff, 0x00070000,
 355	0x91f0, 0xffffffff, 0x00030002,
 356	0x91f4, 0xffffffff, 0x00050004,
 357	0x9200, 0xffffffff, 0x00010006,
 358	0x9204, 0xffffffff, 0x00090008,
 359	0x9208, 0xffffffff, 0x00070000,
 360	0x920c, 0xffffffff, 0x00030002,
 361	0x9210, 0xffffffff, 0x00050004,
 362	0x921c, 0xffffffff, 0x00010006,
 363	0x9220, 0xffffffff, 0x00090008,
 364	0x9224, 0xffffffff, 0x00070000,
 365	0x9228, 0xffffffff, 0x00030002,
 366	0x922c, 0xffffffff, 0x00050004,
 367	0x9238, 0xffffffff, 0x00010006,
 368	0x923c, 0xffffffff, 0x00090008,
 369	0x9240, 0xffffffff, 0x00070000,
 370	0x9244, 0xffffffff, 0x00030002,
 371	0x9248, 0xffffffff, 0x00050004,
 372	0x9254, 0xffffffff, 0x00010006,
 373	0x9258, 0xffffffff, 0x00090008,
 374	0x925c, 0xffffffff, 0x00070000,
 375	0x9260, 0xffffffff, 0x00030002,
 376	0x9264, 0xffffffff, 0x00050004,
 377	0x9270, 0xffffffff, 0x00010006,
 378	0x9274, 0xffffffff, 0x00090008,
 379	0x9278, 0xffffffff, 0x00070000,
 380	0x927c, 0xffffffff, 0x00030002,
 381	0x9280, 0xffffffff, 0x00050004,
 382	0x928c, 0xffffffff, 0x00010006,
 383	0x9290, 0xffffffff, 0x00090008,
 384	0x9294, 0xffffffff, 0x00000000,
 385	0x929c, 0xffffffff, 0x00000001,
 386	0x802c, 0xffffffff, 0x40010000,
 387	0x915c, 0xffffffff, 0x00010000,
 388	0x9160, 0xffffffff, 0x00030002,
 389	0x9178, 0xffffffff, 0x00070000,
 390	0x917c, 0xffffffff, 0x00030002,
 391	0x9180, 0xffffffff, 0x00050004,
 392	0x918c, 0xffffffff, 0x00010006,
 393	0x9190, 0xffffffff, 0x00090008,
 394	0x9194, 0xffffffff, 0x00070000,
 395	0x9198, 0xffffffff, 0x00030002,
 396	0x919c, 0xffffffff, 0x00050004,
 397	0x91a8, 0xffffffff, 0x00010006,
 398	0x91ac, 0xffffffff, 0x00090008,
 399	0x91b0, 0xffffffff, 0x00070000,
 400	0x91b4, 0xffffffff, 0x00030002,
 401	0x91b8, 0xffffffff, 0x00050004,
 402	0x91c4, 0xffffffff, 0x00010006,
 403	0x91c8, 0xffffffff, 0x00090008,
 404	0x91cc, 0xffffffff, 0x00070000,
 405	0x91d0, 0xffffffff, 0x00030002,
 406	0x91d4, 0xffffffff, 0x00050004,
 407	0x91e0, 0xffffffff, 0x00010006,
 408	0x91e4, 0xffffffff, 0x00090008,
 409	0x91e8, 0xffffffff, 0x00000000,
 410	0x91ec, 0xffffffff, 0x00070000,
 411	0x91f0, 0xffffffff, 0x00030002,
 412	0x91f4, 0xffffffff, 0x00050004,
 413	0x9200, 0xffffffff, 0x00010006,
 414	0x9204, 0xffffffff, 0x00090008,
 415	0x9208, 0xffffffff, 0x00070000,
 416	0x920c, 0xffffffff, 0x00030002,
 417	0x9210, 0xffffffff, 0x00050004,
 418	0x921c, 0xffffffff, 0x00010006,
 419	0x9220, 0xffffffff, 0x00090008,
 420	0x9224, 0xffffffff, 0x00070000,
 421	0x9228, 0xffffffff, 0x00030002,
 422	0x922c, 0xffffffff, 0x00050004,
 423	0x9238, 0xffffffff, 0x00010006,
 424	0x923c, 0xffffffff, 0x00090008,
 425	0x9240, 0xffffffff, 0x00070000,
 426	0x9244, 0xffffffff, 0x00030002,
 427	0x9248, 0xffffffff, 0x00050004,
 428	0x9254, 0xffffffff, 0x00010006,
 429	0x9258, 0xffffffff, 0x00090008,
 430	0x925c, 0xffffffff, 0x00070000,
 431	0x9260, 0xffffffff, 0x00030002,
 432	0x9264, 0xffffffff, 0x00050004,
 433	0x9270, 0xffffffff, 0x00010006,
 434	0x9274, 0xffffffff, 0x00090008,
 435	0x9278, 0xffffffff, 0x00070000,
 436	0x927c, 0xffffffff, 0x00030002,
 437	0x9280, 0xffffffff, 0x00050004,
 438	0x928c, 0xffffffff, 0x00010006,
 439	0x9290, 0xffffffff, 0x00090008,
 440	0x9294, 0xffffffff, 0x00000000,
 441	0x929c, 0xffffffff, 0x00000001,
 442	0x802c, 0xffffffff, 0xc0000000
 443};
 444
 445static const u32 redwood_mgcg_init[] =
 446{
 447	0x802c, 0xffffffff, 0xc0000000,
 448	0x5448, 0xffffffff, 0x00000100,
 449	0x55e4, 0xffffffff, 0x00000100,
 450	0x160c, 0xffffffff, 0x00000100,
 451	0x5644, 0xffffffff, 0x00000100,
 452	0xc164, 0xffffffff, 0x00000100,
 453	0x8a18, 0xffffffff, 0x00000100,
 454	0x897c, 0xffffffff, 0x06000100,
 455	0x8b28, 0xffffffff, 0x00000100,
 456	0x9144, 0xffffffff, 0x00000100,
 457	0x9a60, 0xffffffff, 0x00000100,
 458	0x9868, 0xffffffff, 0x00000100,
 459	0x8d58, 0xffffffff, 0x00000100,
 460	0x9510, 0xffffffff, 0x00000100,
 461	0x949c, 0xffffffff, 0x00000100,
 462	0x9654, 0xffffffff, 0x00000100,
 463	0x9030, 0xffffffff, 0x00000100,
 464	0x9034, 0xffffffff, 0x00000100,
 465	0x9038, 0xffffffff, 0x00000100,
 466	0x903c, 0xffffffff, 0x00000100,
 467	0x9040, 0xffffffff, 0x00000100,
 468	0xa200, 0xffffffff, 0x00000100,
 469	0xa204, 0xffffffff, 0x00000100,
 470	0xa208, 0xffffffff, 0x00000100,
 471	0xa20c, 0xffffffff, 0x00000100,
 472	0x971c, 0xffffffff, 0x00000100,
 473	0x977c, 0xffffffff, 0x00000100,
 474	0x3f80, 0xffffffff, 0x00000100,
 475	0xa210, 0xffffffff, 0x00000100,
 476	0xa214, 0xffffffff, 0x00000100,
 477	0x4d8, 0xffffffff, 0x00000100,
 478	0x9784, 0xffffffff, 0x00000100,
 479	0x9698, 0xffffffff, 0x00000100,
 480	0x4d4, 0xffffffff, 0x00000200,
 481	0x30cc, 0xffffffff, 0x00000100,
 482	0xd0c0, 0xffffffff, 0xff000100,
 483	0x802c, 0xffffffff, 0x40000000,
 484	0x915c, 0xffffffff, 0x00010000,
 485	0x9160, 0xffffffff, 0x00030002,
 486	0x9178, 0xffffffff, 0x00070000,
 487	0x917c, 0xffffffff, 0x00030002,
 488	0x9180, 0xffffffff, 0x00050004,
 489	0x918c, 0xffffffff, 0x00010006,
 490	0x9190, 0xffffffff, 0x00090008,
 491	0x9194, 0xffffffff, 0x00070000,
 492	0x9198, 0xffffffff, 0x00030002,
 493	0x919c, 0xffffffff, 0x00050004,
 494	0x91a8, 0xffffffff, 0x00010006,
 495	0x91ac, 0xffffffff, 0x00090008,
 496	0x91b0, 0xffffffff, 0x00070000,
 497	0x91b4, 0xffffffff, 0x00030002,
 498	0x91b8, 0xffffffff, 0x00050004,
 499	0x91c4, 0xffffffff, 0x00010006,
 500	0x91c8, 0xffffffff, 0x00090008,
 501	0x91cc, 0xffffffff, 0x00070000,
 502	0x91d0, 0xffffffff, 0x00030002,
 503	0x91d4, 0xffffffff, 0x00050004,
 504	0x91e0, 0xffffffff, 0x00010006,
 505	0x91e4, 0xffffffff, 0x00090008,
 506	0x91e8, 0xffffffff, 0x00000000,
 507	0x91ec, 0xffffffff, 0x00070000,
 508	0x91f0, 0xffffffff, 0x00030002,
 509	0x91f4, 0xffffffff, 0x00050004,
 510	0x9200, 0xffffffff, 0x00010006,
 511	0x9204, 0xffffffff, 0x00090008,
 512	0x9294, 0xffffffff, 0x00000000,
 513	0x929c, 0xffffffff, 0x00000001,
 514	0x802c, 0xffffffff, 0xc0000000
 515};
 516
 517static const u32 cedar_golden_registers[] =
 518{
 519	0x3f90, 0xffff0000, 0xff000000,
 520	0x9148, 0xffff0000, 0xff000000,
 521	0x3f94, 0xffff0000, 0xff000000,
 522	0x914c, 0xffff0000, 0xff000000,
 523	0x9b7c, 0xffffffff, 0x00000000,
 524	0x8a14, 0xffffffff, 0x00000007,
 525	0x8b10, 0xffffffff, 0x00000000,
 526	0x960c, 0xffffffff, 0x54763210,
 527	0x88c4, 0xffffffff, 0x000000c2,
 528	0x88d4, 0xffffffff, 0x00000000,
 529	0x8974, 0xffffffff, 0x00000000,
 530	0xc78, 0x00000080, 0x00000080,
 531	0x5eb4, 0xffffffff, 0x00000002,
 532	0x5e78, 0xffffffff, 0x001000f0,
 533	0x6104, 0x01000300, 0x00000000,
 534	0x5bc0, 0x00300000, 0x00000000,
 535	0x7030, 0xffffffff, 0x00000011,
 536	0x7c30, 0xffffffff, 0x00000011,
 537	0x10830, 0xffffffff, 0x00000011,
 538	0x11430, 0xffffffff, 0x00000011,
 539	0xd02c, 0xffffffff, 0x08421000,
 540	0x240c, 0xffffffff, 0x00000380,
 541	0x8b24, 0xffffffff, 0x00ff0fff,
 542	0x28a4c, 0x06000000, 0x06000000,
 543	0x10c, 0x00000001, 0x00000001,
 544	0x8d00, 0xffffffff, 0x100e4848,
 545	0x8d04, 0xffffffff, 0x00164745,
 546	0x8c00, 0xffffffff, 0xe4000003,
 547	0x8c04, 0xffffffff, 0x40600060,
 548	0x8c08, 0xffffffff, 0x001c001c,
 549	0x8cf0, 0xffffffff, 0x08e00410,
 550	0x8c20, 0xffffffff, 0x00800080,
 551	0x8c24, 0xffffffff, 0x00800080,
 552	0x8c18, 0xffffffff, 0x20202078,
 553	0x8c1c, 0xffffffff, 0x00001010,
 554	0x28350, 0xffffffff, 0x00000000,
 555	0xa008, 0xffffffff, 0x00010000,
 556	0x5c4, 0xffffffff, 0x00000001,
 557	0x9508, 0xffffffff, 0x00000002
 558};
 559
 560static const u32 cedar_mgcg_init[] =
 561{
 562	0x802c, 0xffffffff, 0xc0000000,
 563	0x5448, 0xffffffff, 0x00000100,
 564	0x55e4, 0xffffffff, 0x00000100,
 565	0x160c, 0xffffffff, 0x00000100,
 566	0x5644, 0xffffffff, 0x00000100,
 567	0xc164, 0xffffffff, 0x00000100,
 568	0x8a18, 0xffffffff, 0x00000100,
 569	0x897c, 0xffffffff, 0x06000100,
 570	0x8b28, 0xffffffff, 0x00000100,
 571	0x9144, 0xffffffff, 0x00000100,
 572	0x9a60, 0xffffffff, 0x00000100,
 573	0x9868, 0xffffffff, 0x00000100,
 574	0x8d58, 0xffffffff, 0x00000100,
 575	0x9510, 0xffffffff, 0x00000100,
 576	0x949c, 0xffffffff, 0x00000100,
 577	0x9654, 0xffffffff, 0x00000100,
 578	0x9030, 0xffffffff, 0x00000100,
 579	0x9034, 0xffffffff, 0x00000100,
 580	0x9038, 0xffffffff, 0x00000100,
 581	0x903c, 0xffffffff, 0x00000100,
 582	0x9040, 0xffffffff, 0x00000100,
 583	0xa200, 0xffffffff, 0x00000100,
 584	0xa204, 0xffffffff, 0x00000100,
 585	0xa208, 0xffffffff, 0x00000100,
 586	0xa20c, 0xffffffff, 0x00000100,
 587	0x971c, 0xffffffff, 0x00000100,
 588	0x977c, 0xffffffff, 0x00000100,
 589	0x3f80, 0xffffffff, 0x00000100,
 590	0xa210, 0xffffffff, 0x00000100,
 591	0xa214, 0xffffffff, 0x00000100,
 592	0x4d8, 0xffffffff, 0x00000100,
 593	0x9784, 0xffffffff, 0x00000100,
 594	0x9698, 0xffffffff, 0x00000100,
 595	0x4d4, 0xffffffff, 0x00000200,
 596	0x30cc, 0xffffffff, 0x00000100,
 597	0xd0c0, 0xffffffff, 0xff000100,
 598	0x802c, 0xffffffff, 0x40000000,
 599	0x915c, 0xffffffff, 0x00010000,
 600	0x9178, 0xffffffff, 0x00050000,
 601	0x917c, 0xffffffff, 0x00030002,
 602	0x918c, 0xffffffff, 0x00010004,
 603	0x9190, 0xffffffff, 0x00070006,
 604	0x9194, 0xffffffff, 0x00050000,
 605	0x9198, 0xffffffff, 0x00030002,
 606	0x91a8, 0xffffffff, 0x00010004,
 607	0x91ac, 0xffffffff, 0x00070006,
 608	0x91e8, 0xffffffff, 0x00000000,
 609	0x9294, 0xffffffff, 0x00000000,
 610	0x929c, 0xffffffff, 0x00000001,
 611	0x802c, 0xffffffff, 0xc0000000
 612};
 613
 614static const u32 juniper_mgcg_init[] =
 615{
 616	0x802c, 0xffffffff, 0xc0000000,
 617	0x5448, 0xffffffff, 0x00000100,
 618	0x55e4, 0xffffffff, 0x00000100,
 619	0x160c, 0xffffffff, 0x00000100,
 620	0x5644, 0xffffffff, 0x00000100,
 621	0xc164, 0xffffffff, 0x00000100,
 622	0x8a18, 0xffffffff, 0x00000100,
 623	0x897c, 0xffffffff, 0x06000100,
 624	0x8b28, 0xffffffff, 0x00000100,
 625	0x9144, 0xffffffff, 0x00000100,
 626	0x9a60, 0xffffffff, 0x00000100,
 627	0x9868, 0xffffffff, 0x00000100,
 628	0x8d58, 0xffffffff, 0x00000100,
 629	0x9510, 0xffffffff, 0x00000100,
 630	0x949c, 0xffffffff, 0x00000100,
 631	0x9654, 0xffffffff, 0x00000100,
 632	0x9030, 0xffffffff, 0x00000100,
 633	0x9034, 0xffffffff, 0x00000100,
 634	0x9038, 0xffffffff, 0x00000100,
 635	0x903c, 0xffffffff, 0x00000100,
 636	0x9040, 0xffffffff, 0x00000100,
 637	0xa200, 0xffffffff, 0x00000100,
 638	0xa204, 0xffffffff, 0x00000100,
 639	0xa208, 0xffffffff, 0x00000100,
 640	0xa20c, 0xffffffff, 0x00000100,
 641	0x971c, 0xffffffff, 0x00000100,
 642	0xd0c0, 0xffffffff, 0xff000100,
 643	0x802c, 0xffffffff, 0x40000000,
 644	0x915c, 0xffffffff, 0x00010000,
 645	0x9160, 0xffffffff, 0x00030002,
 646	0x9178, 0xffffffff, 0x00070000,
 647	0x917c, 0xffffffff, 0x00030002,
 648	0x9180, 0xffffffff, 0x00050004,
 649	0x918c, 0xffffffff, 0x00010006,
 650	0x9190, 0xffffffff, 0x00090008,
 651	0x9194, 0xffffffff, 0x00070000,
 652	0x9198, 0xffffffff, 0x00030002,
 653	0x919c, 0xffffffff, 0x00050004,
 654	0x91a8, 0xffffffff, 0x00010006,
 655	0x91ac, 0xffffffff, 0x00090008,
 656	0x91b0, 0xffffffff, 0x00070000,
 657	0x91b4, 0xffffffff, 0x00030002,
 658	0x91b8, 0xffffffff, 0x00050004,
 659	0x91c4, 0xffffffff, 0x00010006,
 660	0x91c8, 0xffffffff, 0x00090008,
 661	0x91cc, 0xffffffff, 0x00070000,
 662	0x91d0, 0xffffffff, 0x00030002,
 663	0x91d4, 0xffffffff, 0x00050004,
 664	0x91e0, 0xffffffff, 0x00010006,
 665	0x91e4, 0xffffffff, 0x00090008,
 666	0x91e8, 0xffffffff, 0x00000000,
 667	0x91ec, 0xffffffff, 0x00070000,
 668	0x91f0, 0xffffffff, 0x00030002,
 669	0x91f4, 0xffffffff, 0x00050004,
 670	0x9200, 0xffffffff, 0x00010006,
 671	0x9204, 0xffffffff, 0x00090008,
 672	0x9208, 0xffffffff, 0x00070000,
 673	0x920c, 0xffffffff, 0x00030002,
 674	0x9210, 0xffffffff, 0x00050004,
 675	0x921c, 0xffffffff, 0x00010006,
 676	0x9220, 0xffffffff, 0x00090008,
 677	0x9224, 0xffffffff, 0x00070000,
 678	0x9228, 0xffffffff, 0x00030002,
 679	0x922c, 0xffffffff, 0x00050004,
 680	0x9238, 0xffffffff, 0x00010006,
 681	0x923c, 0xffffffff, 0x00090008,
 682	0x9240, 0xffffffff, 0x00070000,
 683	0x9244, 0xffffffff, 0x00030002,
 684	0x9248, 0xffffffff, 0x00050004,
 685	0x9254, 0xffffffff, 0x00010006,
 686	0x9258, 0xffffffff, 0x00090008,
 687	0x925c, 0xffffffff, 0x00070000,
 688	0x9260, 0xffffffff, 0x00030002,
 689	0x9264, 0xffffffff, 0x00050004,
 690	0x9270, 0xffffffff, 0x00010006,
 691	0x9274, 0xffffffff, 0x00090008,
 692	0x9278, 0xffffffff, 0x00070000,
 693	0x927c, 0xffffffff, 0x00030002,
 694	0x9280, 0xffffffff, 0x00050004,
 695	0x928c, 0xffffffff, 0x00010006,
 696	0x9290, 0xffffffff, 0x00090008,
 697	0x9294, 0xffffffff, 0x00000000,
 698	0x929c, 0xffffffff, 0x00000001,
 699	0x802c, 0xffffffff, 0xc0000000,
 700	0x977c, 0xffffffff, 0x00000100,
 701	0x3f80, 0xffffffff, 0x00000100,
 702	0xa210, 0xffffffff, 0x00000100,
 703	0xa214, 0xffffffff, 0x00000100,
 704	0x4d8, 0xffffffff, 0x00000100,
 705	0x9784, 0xffffffff, 0x00000100,
 706	0x9698, 0xffffffff, 0x00000100,
 707	0x4d4, 0xffffffff, 0x00000200,
 708	0x30cc, 0xffffffff, 0x00000100,
 709	0x802c, 0xffffffff, 0xc0000000
 710};
 711
 712static const u32 supersumo_golden_registers[] =
 713{
 714	0x5eb4, 0xffffffff, 0x00000002,
 715	0x5c4, 0xffffffff, 0x00000001,
 716	0x7030, 0xffffffff, 0x00000011,
 717	0x7c30, 0xffffffff, 0x00000011,
 718	0x6104, 0x01000300, 0x00000000,
 719	0x5bc0, 0x00300000, 0x00000000,
 720	0x8c04, 0xffffffff, 0x40600060,
 721	0x8c08, 0xffffffff, 0x001c001c,
 722	0x8c20, 0xffffffff, 0x00800080,
 723	0x8c24, 0xffffffff, 0x00800080,
 724	0x8c18, 0xffffffff, 0x20202078,
 725	0x8c1c, 0xffffffff, 0x00001010,
 726	0x918c, 0xffffffff, 0x00010006,
 727	0x91a8, 0xffffffff, 0x00010006,
 728	0x91c4, 0xffffffff, 0x00010006,
 729	0x91e0, 0xffffffff, 0x00010006,
 730	0x9200, 0xffffffff, 0x00010006,
 731	0x9150, 0xffffffff, 0x6e944040,
 732	0x917c, 0xffffffff, 0x00030002,
 733	0x9180, 0xffffffff, 0x00050004,
 734	0x9198, 0xffffffff, 0x00030002,
 735	0x919c, 0xffffffff, 0x00050004,
 736	0x91b4, 0xffffffff, 0x00030002,
 737	0x91b8, 0xffffffff, 0x00050004,
 738	0x91d0, 0xffffffff, 0x00030002,
 739	0x91d4, 0xffffffff, 0x00050004,
 740	0x91f0, 0xffffffff, 0x00030002,
 741	0x91f4, 0xffffffff, 0x00050004,
 742	0x915c, 0xffffffff, 0x00010000,
 743	0x9160, 0xffffffff, 0x00030002,
 744	0x3f90, 0xffff0000, 0xff000000,
 745	0x9178, 0xffffffff, 0x00070000,
 746	0x9194, 0xffffffff, 0x00070000,
 747	0x91b0, 0xffffffff, 0x00070000,
 748	0x91cc, 0xffffffff, 0x00070000,
 749	0x91ec, 0xffffffff, 0x00070000,
 750	0x9148, 0xffff0000, 0xff000000,
 751	0x9190, 0xffffffff, 0x00090008,
 752	0x91ac, 0xffffffff, 0x00090008,
 753	0x91c8, 0xffffffff, 0x00090008,
 754	0x91e4, 0xffffffff, 0x00090008,
 755	0x9204, 0xffffffff, 0x00090008,
 756	0x3f94, 0xffff0000, 0xff000000,
 757	0x914c, 0xffff0000, 0xff000000,
 758	0x929c, 0xffffffff, 0x00000001,
 759	0x8a18, 0xffffffff, 0x00000100,
 760	0x8b28, 0xffffffff, 0x00000100,
 761	0x9144, 0xffffffff, 0x00000100,
 762	0x5644, 0xffffffff, 0x00000100,
 763	0x9b7c, 0xffffffff, 0x00000000,
 764	0x8030, 0xffffffff, 0x0000100a,
 765	0x8a14, 0xffffffff, 0x00000007,
 766	0x8b24, 0xffffffff, 0x00ff0fff,
 767	0x8b10, 0xffffffff, 0x00000000,
 768	0x28a4c, 0x06000000, 0x06000000,
 769	0x4d8, 0xffffffff, 0x00000100,
 770	0x913c, 0xffff000f, 0x0100000a,
 771	0x960c, 0xffffffff, 0x54763210,
 772	0x88c4, 0xffffffff, 0x000000c2,
 773	0x88d4, 0xffffffff, 0x00000010,
 774	0x8974, 0xffffffff, 0x00000000,
 775	0xc78, 0x00000080, 0x00000080,
 776	0x5e78, 0xffffffff, 0x001000f0,
 777	0xd02c, 0xffffffff, 0x08421000,
 778	0xa008, 0xffffffff, 0x00010000,
 779	0x8d00, 0xffffffff, 0x100e4848,
 780	0x8d04, 0xffffffff, 0x00164745,
 781	0x8c00, 0xffffffff, 0xe4000003,
 782	0x8cf0, 0x1fffffff, 0x08e00620,
 783	0x28350, 0xffffffff, 0x00000000,
 784	0x9508, 0xffffffff, 0x00000002
 785};
 786
 787static const u32 sumo_golden_registers[] =
 788{
 789	0x900c, 0x00ffffff, 0x0017071f,
 790	0x8c18, 0xffffffff, 0x10101060,
 791	0x8c1c, 0xffffffff, 0x00001010,
 792	0x8c30, 0x0000000f, 0x00000005,
 793	0x9688, 0x0000000f, 0x00000007
 794};
 795
 796static const u32 wrestler_golden_registers[] =
 797{
 798	0x5eb4, 0xffffffff, 0x00000002,
 799	0x5c4, 0xffffffff, 0x00000001,
 800	0x7030, 0xffffffff, 0x00000011,
 801	0x7c30, 0xffffffff, 0x00000011,
 802	0x6104, 0x01000300, 0x00000000,
 803	0x5bc0, 0x00300000, 0x00000000,
 804	0x918c, 0xffffffff, 0x00010006,
 805	0x91a8, 0xffffffff, 0x00010006,
 806	0x9150, 0xffffffff, 0x6e944040,
 807	0x917c, 0xffffffff, 0x00030002,
 808	0x9198, 0xffffffff, 0x00030002,
 809	0x915c, 0xffffffff, 0x00010000,
 810	0x3f90, 0xffff0000, 0xff000000,
 811	0x9178, 0xffffffff, 0x00070000,
 812	0x9194, 0xffffffff, 0x00070000,
 813	0x9148, 0xffff0000, 0xff000000,
 814	0x9190, 0xffffffff, 0x00090008,
 815	0x91ac, 0xffffffff, 0x00090008,
 816	0x3f94, 0xffff0000, 0xff000000,
 817	0x914c, 0xffff0000, 0xff000000,
 818	0x929c, 0xffffffff, 0x00000001,
 819	0x8a18, 0xffffffff, 0x00000100,
 820	0x8b28, 0xffffffff, 0x00000100,
 821	0x9144, 0xffffffff, 0x00000100,
 822	0x9b7c, 0xffffffff, 0x00000000,
 823	0x8030, 0xffffffff, 0x0000100a,
 824	0x8a14, 0xffffffff, 0x00000001,
 825	0x8b24, 0xffffffff, 0x00ff0fff,
 826	0x8b10, 0xffffffff, 0x00000000,
 827	0x28a4c, 0x06000000, 0x06000000,
 828	0x4d8, 0xffffffff, 0x00000100,
 829	0x913c, 0xffff000f, 0x0100000a,
 830	0x960c, 0xffffffff, 0x54763210,
 831	0x88c4, 0xffffffff, 0x000000c2,
 832	0x88d4, 0xffffffff, 0x00000010,
 833	0x8974, 0xffffffff, 0x00000000,
 834	0xc78, 0x00000080, 0x00000080,
 835	0x5e78, 0xffffffff, 0x001000f0,
 836	0xd02c, 0xffffffff, 0x08421000,
 837	0xa008, 0xffffffff, 0x00010000,
 838	0x8d00, 0xffffffff, 0x100e4848,
 839	0x8d04, 0xffffffff, 0x00164745,
 840	0x8c00, 0xffffffff, 0xe4000003,
 841	0x8cf0, 0x1fffffff, 0x08e00410,
 842	0x28350, 0xffffffff, 0x00000000,
 843	0x9508, 0xffffffff, 0x00000002,
 844	0x900c, 0xffffffff, 0x0017071f,
 845	0x8c18, 0xffffffff, 0x10101060,
 846	0x8c1c, 0xffffffff, 0x00001010
 847};
 848
 849static const u32 barts_golden_registers[] =
 850{
 851	0x5eb4, 0xffffffff, 0x00000002,
 852	0x5e78, 0x8f311ff1, 0x001000f0,
 853	0x3f90, 0xffff0000, 0xff000000,
 854	0x9148, 0xffff0000, 0xff000000,
 855	0x3f94, 0xffff0000, 0xff000000,
 856	0x914c, 0xffff0000, 0xff000000,
 857	0xc78, 0x00000080, 0x00000080,
 858	0xbd4, 0x70073777, 0x00010001,
 859	0xd02c, 0xbfffff1f, 0x08421000,
 860	0xd0b8, 0x03773777, 0x02011003,
 861	0x5bc0, 0x00200000, 0x50100000,
 862	0x98f8, 0x33773777, 0x02011003,
 863	0x98fc, 0xffffffff, 0x76543210,
 864	0x7030, 0x31000311, 0x00000011,
 865	0x2f48, 0x00000007, 0x02011003,
 866	0x6b28, 0x00000010, 0x00000012,
 867	0x7728, 0x00000010, 0x00000012,
 868	0x10328, 0x00000010, 0x00000012,
 869	0x10f28, 0x00000010, 0x00000012,
 870	0x11b28, 0x00000010, 0x00000012,
 871	0x12728, 0x00000010, 0x00000012,
 872	0x240c, 0x000007ff, 0x00000380,
 873	0x8a14, 0xf000001f, 0x00000007,
 874	0x8b24, 0x3fff3fff, 0x00ff0fff,
 875	0x8b10, 0x0000ff0f, 0x00000000,
 876	0x28a4c, 0x07ffffff, 0x06000000,
 877	0x10c, 0x00000001, 0x00010003,
 878	0xa02c, 0xffffffff, 0x0000009b,
 879	0x913c, 0x0000000f, 0x0100000a,
 880	0x8d00, 0xffff7f7f, 0x100e4848,
 881	0x8d04, 0x00ffffff, 0x00164745,
 882	0x8c00, 0xfffc0003, 0xe4000003,
 883	0x8c04, 0xf8ff00ff, 0x40600060,
 884	0x8c08, 0x00ff00ff, 0x001c001c,
 885	0x8cf0, 0x1fff1fff, 0x08e00620,
 886	0x8c20, 0x0fff0fff, 0x00800080,
 887	0x8c24, 0x0fff0fff, 0x00800080,
 888	0x8c18, 0xffffffff, 0x20202078,
 889	0x8c1c, 0x0000ffff, 0x00001010,
 890	0x28350, 0x00000f01, 0x00000000,
 891	0x9508, 0x3700001f, 0x00000002,
 892	0x960c, 0xffffffff, 0x54763210,
 893	0x88c4, 0x001f3ae3, 0x000000c2,
 894	0x88d4, 0x0000001f, 0x00000010,
 895	0x8974, 0xffffffff, 0x00000000
 896};
 897
 898static const u32 turks_golden_registers[] =
 899{
 900	0x5eb4, 0xffffffff, 0x00000002,
 901	0x5e78, 0x8f311ff1, 0x001000f0,
 902	0x8c8, 0x00003000, 0x00001070,
 903	0x8cc, 0x000fffff, 0x00040035,
 904	0x3f90, 0xffff0000, 0xfff00000,
 905	0x9148, 0xffff0000, 0xfff00000,
 906	0x3f94, 0xffff0000, 0xfff00000,
 907	0x914c, 0xffff0000, 0xfff00000,
 908	0xc78, 0x00000080, 0x00000080,
 909	0xbd4, 0x00073007, 0x00010002,
 910	0xd02c, 0xbfffff1f, 0x08421000,
 911	0xd0b8, 0x03773777, 0x02010002,
 912	0x5bc0, 0x00200000, 0x50100000,
 913	0x98f8, 0x33773777, 0x00010002,
 914	0x98fc, 0xffffffff, 0x33221100,
 915	0x7030, 0x31000311, 0x00000011,
 916	0x2f48, 0x33773777, 0x00010002,
 917	0x6b28, 0x00000010, 0x00000012,
 918	0x7728, 0x00000010, 0x00000012,
 919	0x10328, 0x00000010, 0x00000012,
 920	0x10f28, 0x00000010, 0x00000012,
 921	0x11b28, 0x00000010, 0x00000012,
 922	0x12728, 0x00000010, 0x00000012,
 923	0x240c, 0x000007ff, 0x00000380,
 924	0x8a14, 0xf000001f, 0x00000007,
 925	0x8b24, 0x3fff3fff, 0x00ff0fff,
 926	0x8b10, 0x0000ff0f, 0x00000000,
 927	0x28a4c, 0x07ffffff, 0x06000000,
 928	0x10c, 0x00000001, 0x00010003,
 929	0xa02c, 0xffffffff, 0x0000009b,
 930	0x913c, 0x0000000f, 0x0100000a,
 931	0x8d00, 0xffff7f7f, 0x100e4848,
 932	0x8d04, 0x00ffffff, 0x00164745,
 933	0x8c00, 0xfffc0003, 0xe4000003,
 934	0x8c04, 0xf8ff00ff, 0x40600060,
 935	0x8c08, 0x00ff00ff, 0x001c001c,
 936	0x8cf0, 0x1fff1fff, 0x08e00410,
 937	0x8c20, 0x0fff0fff, 0x00800080,
 938	0x8c24, 0x0fff0fff, 0x00800080,
 939	0x8c18, 0xffffffff, 0x20202078,
 940	0x8c1c, 0x0000ffff, 0x00001010,
 941	0x28350, 0x00000f01, 0x00000000,
 942	0x9508, 0x3700001f, 0x00000002,
 943	0x960c, 0xffffffff, 0x54763210,
 944	0x88c4, 0x001f3ae3, 0x000000c2,
 945	0x88d4, 0x0000001f, 0x00000010,
 946	0x8974, 0xffffffff, 0x00000000
 947};
 948
 949static const u32 caicos_golden_registers[] =
 950{
 951	0x5eb4, 0xffffffff, 0x00000002,
 952	0x5e78, 0x8f311ff1, 0x001000f0,
 953	0x8c8, 0x00003420, 0x00001450,
 954	0x8cc, 0x000fffff, 0x00040035,
 955	0x3f90, 0xffff0000, 0xfffc0000,
 956	0x9148, 0xffff0000, 0xfffc0000,
 957	0x3f94, 0xffff0000, 0xfffc0000,
 958	0x914c, 0xffff0000, 0xfffc0000,
 959	0xc78, 0x00000080, 0x00000080,
 960	0xbd4, 0x00073007, 0x00010001,
 961	0xd02c, 0xbfffff1f, 0x08421000,
 962	0xd0b8, 0x03773777, 0x02010001,
 963	0x5bc0, 0x00200000, 0x50100000,
 964	0x98f8, 0x33773777, 0x02010001,
 965	0x98fc, 0xffffffff, 0x33221100,
 966	0x7030, 0x31000311, 0x00000011,
 967	0x2f48, 0x33773777, 0x02010001,
 968	0x6b28, 0x00000010, 0x00000012,
 969	0x7728, 0x00000010, 0x00000012,
 970	0x10328, 0x00000010, 0x00000012,
 971	0x10f28, 0x00000010, 0x00000012,
 972	0x11b28, 0x00000010, 0x00000012,
 973	0x12728, 0x00000010, 0x00000012,
 974	0x240c, 0x000007ff, 0x00000380,
 975	0x8a14, 0xf000001f, 0x00000001,
 976	0x8b24, 0x3fff3fff, 0x00ff0fff,
 977	0x8b10, 0x0000ff0f, 0x00000000,
 978	0x28a4c, 0x07ffffff, 0x06000000,
 979	0x10c, 0x00000001, 0x00010003,
 980	0xa02c, 0xffffffff, 0x0000009b,
 981	0x913c, 0x0000000f, 0x0100000a,
 982	0x8d00, 0xffff7f7f, 0x100e4848,
 983	0x8d04, 0x00ffffff, 0x00164745,
 984	0x8c00, 0xfffc0003, 0xe4000003,
 985	0x8c04, 0xf8ff00ff, 0x40600060,
 986	0x8c08, 0x00ff00ff, 0x001c001c,
 987	0x8cf0, 0x1fff1fff, 0x08e00410,
 988	0x8c20, 0x0fff0fff, 0x00800080,
 989	0x8c24, 0x0fff0fff, 0x00800080,
 990	0x8c18, 0xffffffff, 0x20202078,
 991	0x8c1c, 0x0000ffff, 0x00001010,
 992	0x28350, 0x00000f01, 0x00000000,
 993	0x9508, 0x3700001f, 0x00000002,
 994	0x960c, 0xffffffff, 0x54763210,
 995	0x88c4, 0x001f3ae3, 0x000000c2,
 996	0x88d4, 0x0000001f, 0x00000010,
 997	0x8974, 0xffffffff, 0x00000000
 998};
 999
1000static void evergreen_init_golden_registers(struct radeon_device *rdev)
1001{
1002	switch (rdev->family) {
1003	case CHIP_CYPRESS:
1004	case CHIP_HEMLOCK:
1005		radeon_program_register_sequence(rdev,
1006						 evergreen_golden_registers,
1007						 (const u32)ARRAY_SIZE(evergreen_golden_registers));
1008		radeon_program_register_sequence(rdev,
1009						 evergreen_golden_registers2,
1010						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1011		radeon_program_register_sequence(rdev,
1012						 cypress_mgcg_init,
1013						 (const u32)ARRAY_SIZE(cypress_mgcg_init));
1014		break;
1015	case CHIP_JUNIPER:
1016		radeon_program_register_sequence(rdev,
1017						 evergreen_golden_registers,
1018						 (const u32)ARRAY_SIZE(evergreen_golden_registers));
1019		radeon_program_register_sequence(rdev,
1020						 evergreen_golden_registers2,
1021						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1022		radeon_program_register_sequence(rdev,
1023						 juniper_mgcg_init,
1024						 (const u32)ARRAY_SIZE(juniper_mgcg_init));
1025		break;
1026	case CHIP_REDWOOD:
1027		radeon_program_register_sequence(rdev,
1028						 evergreen_golden_registers,
1029						 (const u32)ARRAY_SIZE(evergreen_golden_registers));
1030		radeon_program_register_sequence(rdev,
1031						 evergreen_golden_registers2,
1032						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1033		radeon_program_register_sequence(rdev,
1034						 redwood_mgcg_init,
1035						 (const u32)ARRAY_SIZE(redwood_mgcg_init));
1036		break;
1037	case CHIP_CEDAR:
1038		radeon_program_register_sequence(rdev,
1039						 cedar_golden_registers,
1040						 (const u32)ARRAY_SIZE(cedar_golden_registers));
1041		radeon_program_register_sequence(rdev,
1042						 evergreen_golden_registers2,
1043						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1044		radeon_program_register_sequence(rdev,
1045						 cedar_mgcg_init,
1046						 (const u32)ARRAY_SIZE(cedar_mgcg_init));
1047		break;
1048	case CHIP_PALM:
1049		radeon_program_register_sequence(rdev,
1050						 wrestler_golden_registers,
1051						 (const u32)ARRAY_SIZE(wrestler_golden_registers));
1052		break;
1053	case CHIP_SUMO:
1054		radeon_program_register_sequence(rdev,
1055						 supersumo_golden_registers,
1056						 (const u32)ARRAY_SIZE(supersumo_golden_registers));
1057		break;
1058	case CHIP_SUMO2:
1059		radeon_program_register_sequence(rdev,
1060						 supersumo_golden_registers,
1061						 (const u32)ARRAY_SIZE(supersumo_golden_registers));
1062		radeon_program_register_sequence(rdev,
1063						 sumo_golden_registers,
1064						 (const u32)ARRAY_SIZE(sumo_golden_registers));
1065		break;
1066	case CHIP_BARTS:
1067		radeon_program_register_sequence(rdev,
1068						 barts_golden_registers,
1069						 (const u32)ARRAY_SIZE(barts_golden_registers));
1070		break;
1071	case CHIP_TURKS:
1072		radeon_program_register_sequence(rdev,
1073						 turks_golden_registers,
1074						 (const u32)ARRAY_SIZE(turks_golden_registers));
1075		break;
1076	case CHIP_CAICOS:
1077		radeon_program_register_sequence(rdev,
1078						 caicos_golden_registers,
1079						 (const u32)ARRAY_SIZE(caicos_golden_registers));
1080		break;
1081	default:
1082		break;
1083	}
1084}
1085
1086/**
1087 * evergreen_get_allowed_info_register - fetch the register for the info ioctl
1088 *
1089 * @rdev: radeon_device pointer
1090 * @reg: register offset in bytes
1091 * @val: register value
1092 *
1093 * Returns 0 for success or -EINVAL for an invalid register
1094 *
1095 */
1096int evergreen_get_allowed_info_register(struct radeon_device *rdev,
1097					u32 reg, u32 *val)
1098{
1099	switch (reg) {
1100	case GRBM_STATUS:
1101	case GRBM_STATUS_SE0:
1102	case GRBM_STATUS_SE1:
1103	case SRBM_STATUS:
1104	case SRBM_STATUS2:
1105	case DMA_STATUS_REG:
1106	case UVD_STATUS:
1107		*val = RREG32(reg);
1108		return 0;
1109	default:
1110		return -EINVAL;
1111	}
1112}
1113
1114void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
1115			     unsigned *bankh, unsigned *mtaspect,
1116			     unsigned *tile_split)
1117{
1118	*bankw = (tiling_flags >> RADEON_TILING_EG_BANKW_SHIFT) & RADEON_TILING_EG_BANKW_MASK;
1119	*bankh = (tiling_flags >> RADEON_TILING_EG_BANKH_SHIFT) & RADEON_TILING_EG_BANKH_MASK;
1120	*mtaspect = (tiling_flags >> RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT) & RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK;
1121	*tile_split = (tiling_flags >> RADEON_TILING_EG_TILE_SPLIT_SHIFT) & RADEON_TILING_EG_TILE_SPLIT_MASK;
1122	switch (*bankw) {
1123	default:
1124	case 1: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_1; break;
1125	case 2: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_2; break;
1126	case 4: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_4; break;
1127	case 8: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_8; break;
1128	}
1129	switch (*bankh) {
1130	default:
1131	case 1: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_1; break;
1132	case 2: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_2; break;
1133	case 4: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_4; break;
1134	case 8: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_8; break;
1135	}
1136	switch (*mtaspect) {
1137	default:
1138	case 1: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_1; break;
1139	case 2: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_2; break;
1140	case 4: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_4; break;
1141	case 8: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_8; break;
1142	}
1143}
1144
1145static int sumo_set_uvd_clock(struct radeon_device *rdev, u32 clock,
1146			      u32 cntl_reg, u32 status_reg)
1147{
1148	int r, i;
1149	struct atom_clock_dividers dividers;
1150
1151	r = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
1152					   clock, false, &dividers);
1153	if (r)
1154		return r;
1155
1156	WREG32_P(cntl_reg, dividers.post_div, ~(DCLK_DIR_CNTL_EN|DCLK_DIVIDER_MASK));
1157
1158	for (i = 0; i < 100; i++) {
1159		if (RREG32(status_reg) & DCLK_STATUS)
1160			break;
1161		mdelay(10);
1162	}
1163	if (i == 100)
1164		return -ETIMEDOUT;
1165
1166	return 0;
1167}
1168
1169int sumo_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
1170{
1171	int r = 0;
1172	u32 cg_scratch = RREG32(CG_SCRATCH1);
1173
1174	r = sumo_set_uvd_clock(rdev, vclk, CG_VCLK_CNTL, CG_VCLK_STATUS);
1175	if (r)
1176		goto done;
1177	cg_scratch &= 0xffff0000;
1178	cg_scratch |= vclk / 100; /* Mhz */
1179
1180	r = sumo_set_uvd_clock(rdev, dclk, CG_DCLK_CNTL, CG_DCLK_STATUS);
1181	if (r)
1182		goto done;
1183	cg_scratch &= 0x0000ffff;
1184	cg_scratch |= (dclk / 100) << 16; /* Mhz */
1185
1186done:
1187	WREG32(CG_SCRATCH1, cg_scratch);
1188
1189	return r;
1190}
1191
1192int evergreen_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
1193{
1194	/* start off with something large */
1195	unsigned fb_div = 0, vclk_div = 0, dclk_div = 0;
1196	int r;
1197
1198	/* bypass vclk and dclk with bclk */
1199	WREG32_P(CG_UPLL_FUNC_CNTL_2,
1200		VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
1201		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
1202
1203	/* put PLL in bypass mode */
1204	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~UPLL_BYPASS_EN_MASK);
1205
1206	if (!vclk || !dclk) {
1207		/* keep the Bypass mode, put PLL to sleep */
1208		WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
1209		return 0;
1210	}
1211
1212	r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 125000, 250000,
1213					  16384, 0x03FFFFFF, 0, 128, 5,
1214					  &fb_div, &vclk_div, &dclk_div);
1215	if (r)
1216		return r;
1217
1218	/* set VCO_MODE to 1 */
1219	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_VCO_MODE_MASK, ~UPLL_VCO_MODE_MASK);
1220
1221	/* toggle UPLL_SLEEP to 1 then back to 0 */
1222	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
1223	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_SLEEP_MASK);
1224
1225	/* deassert UPLL_RESET */
1226	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
1227
1228	mdelay(1);
1229
1230	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
1231	if (r)
1232		return r;
1233
1234	/* assert UPLL_RESET again */
1235	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
1236
1237	/* disable spread spectrum. */
1238	WREG32_P(CG_UPLL_SPREAD_SPECTRUM, 0, ~SSEN_MASK);
1239
1240	/* set feedback divider */
1241	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(fb_div), ~UPLL_FB_DIV_MASK);
1242
1243	/* set ref divider to 0 */
1244	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_REF_DIV_MASK);
1245
1246	if (fb_div < 307200)
1247		WREG32_P(CG_UPLL_FUNC_CNTL_4, 0, ~UPLL_SPARE_ISPARE9);
1248	else
1249		WREG32_P(CG_UPLL_FUNC_CNTL_4, UPLL_SPARE_ISPARE9, ~UPLL_SPARE_ISPARE9);
1250
1251	/* set PDIV_A and PDIV_B */
1252	WREG32_P(CG_UPLL_FUNC_CNTL_2,
1253		UPLL_PDIV_A(vclk_div) | UPLL_PDIV_B(dclk_div),
1254		~(UPLL_PDIV_A_MASK | UPLL_PDIV_B_MASK));
1255
1256	/* give the PLL some time to settle */
1257	mdelay(15);
1258
1259	/* deassert PLL_RESET */
1260	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
1261
1262	mdelay(15);
1263
1264	/* switch from bypass mode to normal mode */
1265	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
1266
1267	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
1268	if (r)
1269		return r;
1270
1271	/* switch VCLK and DCLK selection */
1272	WREG32_P(CG_UPLL_FUNC_CNTL_2,
1273		VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
1274		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
1275
1276	mdelay(100);
1277
1278	return 0;
1279}
1280
1281void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
1282{
1283	int readrq;
1284	u16 v;
1285
1286	readrq = pcie_get_readrq(rdev->pdev);
1287	v = ffs(readrq) - 8;
1288	/* if bios or OS sets MAX_READ_REQUEST_SIZE to an invalid value, fix it
1289	 * to avoid hangs or perfomance issues
1290	 */
1291	if ((v == 0) || (v == 6) || (v == 7))
1292		pcie_set_readrq(rdev->pdev, 512);
1293}
1294
1295void dce4_program_fmt(struct drm_encoder *encoder)
1296{
1297	struct drm_device *dev = encoder->dev;
1298	struct radeon_device *rdev = dev->dev_private;
1299	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1300	struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
1301	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
1302	int bpc = 0;
1303	u32 tmp = 0;
1304	enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
1305
1306	if (connector) {
1307		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1308		bpc = radeon_get_monitor_bpc(connector);
1309		dither = radeon_connector->dither;
1310	}
1311
1312	/* LVDS/eDP FMT is set up by atom */
1313	if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
1314		return;
1315
1316	/* not needed for analog */
1317	if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
1318	    (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
1319		return;
1320
1321	if (bpc == 0)
1322		return;
1323
1324	switch (bpc) {
1325	case 6:
1326		if (dither == RADEON_FMT_DITHER_ENABLE)
1327			/* XXX sort out optimal dither settings */
1328			tmp |= (FMT_FRAME_RANDOM_ENABLE | FMT_HIGHPASS_RANDOM_ENABLE |
1329				FMT_SPATIAL_DITHER_EN);
1330		else
1331			tmp |= FMT_TRUNCATE_EN;
1332		break;
1333	case 8:
1334		if (dither == RADEON_FMT_DITHER_ENABLE)
1335			/* XXX sort out optimal dither settings */
1336			tmp |= (FMT_FRAME_RANDOM_ENABLE | FMT_HIGHPASS_RANDOM_ENABLE |
1337				FMT_RGB_RANDOM_ENABLE |
1338				FMT_SPATIAL_DITHER_EN | FMT_SPATIAL_DITHER_DEPTH);
1339		else
1340			tmp |= (FMT_TRUNCATE_EN | FMT_TRUNCATE_DEPTH);
1341		break;
1342	case 10:
1343	default:
1344		/* not needed */
1345		break;
1346	}
1347
1348	WREG32(FMT_BIT_DEPTH_CONTROL + radeon_crtc->crtc_offset, tmp);
1349}
1350
1351static bool dce4_is_in_vblank(struct radeon_device *rdev, int crtc)
1352{
1353	if (RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK)
1354		return true;
1355	else
1356		return false;
1357}
1358
1359static bool dce4_is_counter_moving(struct radeon_device *rdev, int crtc)
1360{
1361	u32 pos1, pos2;
1362
1363	pos1 = RREG32(EVERGREEN_CRTC_STATUS_POSITION + crtc_offsets[crtc]);
1364	pos2 = RREG32(EVERGREEN_CRTC_STATUS_POSITION + crtc_offsets[crtc]);
1365
1366	if (pos1 != pos2)
1367		return true;
1368	else
1369		return false;
1370}
1371
1372/**
1373 * dce4_wait_for_vblank - vblank wait asic callback.
1374 *
1375 * @rdev: radeon_device pointer
1376 * @crtc: crtc to wait for vblank on
1377 *
1378 * Wait for vblank on the requested crtc (evergreen+).
1379 */
1380void dce4_wait_for_vblank(struct radeon_device *rdev, int crtc)
1381{
1382	unsigned i = 0;
1383
1384	if (crtc >= rdev->num_crtc)
1385		return;
1386
1387	if (!(RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[crtc]) & EVERGREEN_CRTC_MASTER_EN))
1388		return;
1389
1390	/* depending on when we hit vblank, we may be close to active; if so,
1391	 * wait for another frame.
1392	 */
1393	while (dce4_is_in_vblank(rdev, crtc)) {
1394		if (i++ % 100 == 0) {
1395			if (!dce4_is_counter_moving(rdev, crtc))
1396				break;
1397		}
1398	}
1399
1400	while (!dce4_is_in_vblank(rdev, crtc)) {
1401		if (i++ % 100 == 0) {
1402			if (!dce4_is_counter_moving(rdev, crtc))
1403				break;
1404		}
1405	}
1406}
1407
1408/**
1409 * evergreen_page_flip - pageflip callback.
1410 *
1411 * @rdev: radeon_device pointer
1412 * @crtc_id: crtc to cleanup pageflip on
1413 * @crtc_base: new address of the crtc (GPU MC address)
 
1414 *
1415 * Triggers the actual pageflip by updating the primary
1416 * surface base address (evergreen+).
1417 */
1418void evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base,
1419			 bool async)
1420{
1421	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 
1422
1423	/* update the scanout addresses */
1424	WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset,
1425	       async ? EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN : 0);
 
 
 
 
1426	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
1427	       upper_32_bits(crtc_base));
1428	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1429	       (u32)crtc_base);
1430	/* post the write */
1431	RREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset);
1432}
1433
1434/**
1435 * evergreen_page_flip_pending - check if page flip is still pending
1436 *
1437 * @rdev: radeon_device pointer
1438 * @crtc_id: crtc to check
1439 *
1440 * Returns the current update pending status.
1441 */
1442bool evergreen_page_flip_pending(struct radeon_device *rdev, int crtc_id)
1443{
1444	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
1445
1446	/* Return current update_pending status: */
1447	return !!(RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) &
1448		EVERGREEN_GRPH_SURFACE_UPDATE_PENDING);
1449}
1450
1451/* get temperature in millidegrees */
1452int evergreen_get_temp(struct radeon_device *rdev)
1453{
1454	u32 temp, toffset;
1455	int actual_temp = 0;
1456
1457	if (rdev->family == CHIP_JUNIPER) {
1458		toffset = (RREG32(CG_THERMAL_CTRL) & TOFFSET_MASK) >>
1459			TOFFSET_SHIFT;
1460		temp = (RREG32(CG_TS0_STATUS) & TS0_ADC_DOUT_MASK) >>
1461			TS0_ADC_DOUT_SHIFT;
1462
1463		if (toffset & 0x100)
1464			actual_temp = temp / 2 - (0x200 - toffset);
1465		else
1466			actual_temp = temp / 2 + toffset;
1467
1468		actual_temp = actual_temp * 1000;
1469
1470	} else {
1471		temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
1472			ASIC_T_SHIFT;
1473
1474		if (temp & 0x400)
1475			actual_temp = -256;
1476		else if (temp & 0x200)
1477			actual_temp = 255;
1478		else if (temp & 0x100) {
1479			actual_temp = temp & 0x1ff;
1480			actual_temp |= ~0x1ff;
1481		} else
1482			actual_temp = temp & 0xff;
1483
1484		actual_temp = (actual_temp * 1000) / 2;
1485	}
1486
1487	return actual_temp;
1488}
1489
1490int sumo_get_temp(struct radeon_device *rdev)
1491{
1492	u32 temp = RREG32(CG_THERMAL_STATUS) & 0xff;
1493	int actual_temp = temp - 49;
1494
1495	return actual_temp * 1000;
1496}
1497
1498/**
1499 * sumo_pm_init_profile - Initialize power profiles callback.
1500 *
1501 * @rdev: radeon_device pointer
1502 *
1503 * Initialize the power states used in profile mode
1504 * (sumo, trinity, SI).
1505 * Used for profile mode only.
1506 */
1507void sumo_pm_init_profile(struct radeon_device *rdev)
1508{
1509	int idx;
1510
1511	/* default */
1512	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
1513	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
1514	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
1515	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
1516
1517	/* low,mid sh/mh */
1518	if (rdev->flags & RADEON_IS_MOBILITY)
1519		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
1520	else
1521		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
1522
1523	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
1524	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
1525	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
1526	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
1527
1528	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
1529	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
1530	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
1531	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
1532
1533	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
1534	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
1535	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
1536	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
1537
1538	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
1539	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
1540	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
1541	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
1542
1543	/* high sh/mh */
1544	idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
1545	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
1546	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
1547	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
1548	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx =
1549		rdev->pm.power_state[idx].num_clock_modes - 1;
1550
1551	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
1552	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
1553	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
1554	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx =
1555		rdev->pm.power_state[idx].num_clock_modes - 1;
1556}
1557
1558/**
1559 * btc_pm_init_profile - Initialize power profiles callback.
1560 *
1561 * @rdev: radeon_device pointer
1562 *
1563 * Initialize the power states used in profile mode
1564 * (BTC, cayman).
1565 * Used for profile mode only.
1566 */
1567void btc_pm_init_profile(struct radeon_device *rdev)
1568{
1569	int idx;
1570
1571	/* default */
1572	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
1573	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
1574	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
1575	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
1576	/* starting with BTC, there is one state that is used for both
1577	 * MH and SH.  Difference is that we always use the high clock index for
1578	 * mclk.
1579	 */
1580	if (rdev->flags & RADEON_IS_MOBILITY)
1581		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
1582	else
1583		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
1584	/* low sh */
1585	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
1586	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
1587	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
1588	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
1589	/* mid sh */
1590	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
1591	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
1592	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
1593	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
1594	/* high sh */
1595	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
1596	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
1597	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
1598	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
1599	/* low mh */
1600	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
1601	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
1602	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
1603	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
1604	/* mid mh */
1605	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
1606	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
1607	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
1608	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
1609	/* high mh */
1610	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
1611	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
1612	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
1613	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
1614}
1615
1616/**
1617 * evergreen_pm_misc - set additional pm hw parameters callback.
1618 *
1619 * @rdev: radeon_device pointer
1620 *
1621 * Set non-clock parameters associated with a power state
1622 * (voltage, etc.) (evergreen+).
1623 */
1624void evergreen_pm_misc(struct radeon_device *rdev)
1625{
1626	int req_ps_idx = rdev->pm.requested_power_state_index;
1627	int req_cm_idx = rdev->pm.requested_clock_mode_index;
1628	struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
1629	struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
1630
1631	if (voltage->type == VOLTAGE_SW) {
1632		/* 0xff0x are flags rather then an actual voltage */
1633		if ((voltage->voltage & 0xff00) == 0xff00)
1634			return;
1635		if (voltage->voltage && (voltage->voltage != rdev->pm.current_vddc)) {
1636			radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
1637			rdev->pm.current_vddc = voltage->voltage;
1638			DRM_DEBUG("Setting: vddc: %d\n", voltage->voltage);
1639		}
1640
1641		/* starting with BTC, there is one state that is used for both
1642		 * MH and SH.  Difference is that we always use the high clock index for
1643		 * mclk and vddci.
1644		 */
1645		if ((rdev->pm.pm_method == PM_METHOD_PROFILE) &&
1646		    (rdev->family >= CHIP_BARTS) &&
1647		    rdev->pm.active_crtc_count &&
1648		    ((rdev->pm.profile_index == PM_PROFILE_MID_MH_IDX) ||
1649		     (rdev->pm.profile_index == PM_PROFILE_LOW_MH_IDX)))
1650			voltage = &rdev->pm.power_state[req_ps_idx].
1651				clock_info[rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx].voltage;
1652
1653		/* 0xff0x are flags rather then an actual voltage */
1654		if ((voltage->vddci & 0xff00) == 0xff00)
1655			return;
1656		if (voltage->vddci && (voltage->vddci != rdev->pm.current_vddci)) {
1657			radeon_atom_set_voltage(rdev, voltage->vddci, SET_VOLTAGE_TYPE_ASIC_VDDCI);
1658			rdev->pm.current_vddci = voltage->vddci;
1659			DRM_DEBUG("Setting: vddci: %d\n", voltage->vddci);
1660		}
1661	}
1662}
1663
1664/**
1665 * evergreen_pm_prepare - pre-power state change callback.
1666 *
1667 * @rdev: radeon_device pointer
1668 *
1669 * Prepare for a power state change (evergreen+).
1670 */
1671void evergreen_pm_prepare(struct radeon_device *rdev)
1672{
1673	struct drm_device *ddev = rdev->ddev;
1674	struct drm_crtc *crtc;
1675	struct radeon_crtc *radeon_crtc;
1676	u32 tmp;
1677
1678	/* disable any active CRTCs */
1679	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
1680		radeon_crtc = to_radeon_crtc(crtc);
1681		if (radeon_crtc->enabled) {
1682			tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
1683			tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
1684			WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
1685		}
1686	}
1687}
1688
1689/**
1690 * evergreen_pm_finish - post-power state change callback.
1691 *
1692 * @rdev: radeon_device pointer
1693 *
1694 * Clean up after a power state change (evergreen+).
1695 */
1696void evergreen_pm_finish(struct radeon_device *rdev)
1697{
1698	struct drm_device *ddev = rdev->ddev;
1699	struct drm_crtc *crtc;
1700	struct radeon_crtc *radeon_crtc;
1701	u32 tmp;
1702
1703	/* enable any active CRTCs */
1704	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
1705		radeon_crtc = to_radeon_crtc(crtc);
1706		if (radeon_crtc->enabled) {
1707			tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
1708			tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
1709			WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
1710		}
1711	}
1712}
1713
1714/**
1715 * evergreen_hpd_sense - hpd sense callback.
1716 *
1717 * @rdev: radeon_device pointer
1718 * @hpd: hpd (hotplug detect) pin
1719 *
1720 * Checks if a digital monitor is connected (evergreen+).
1721 * Returns true if connected, false if not connected.
1722 */
1723bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
1724{
1725	if (hpd == RADEON_HPD_NONE)
1726		return false;
1727
1728	return !!(RREG32(DC_HPDx_INT_STATUS_REG(hpd)) & DC_HPDx_SENSE);
1729}
1730
1731/**
1732 * evergreen_hpd_set_polarity - hpd set polarity callback.
1733 *
1734 * @rdev: radeon_device pointer
1735 * @hpd: hpd (hotplug detect) pin
1736 *
1737 * Set the polarity of the hpd pin (evergreen+).
1738 */
1739void evergreen_hpd_set_polarity(struct radeon_device *rdev,
1740				enum radeon_hpd_id hpd)
1741{
1742	bool connected = evergreen_hpd_sense(rdev, hpd);
1743
1744	if (hpd == RADEON_HPD_NONE)
1745		return;
1746
1747	if (connected)
1748		WREG32_AND(DC_HPDx_INT_CONTROL(hpd), ~DC_HPDx_INT_POLARITY);
1749	else
1750		WREG32_OR(DC_HPDx_INT_CONTROL(hpd), DC_HPDx_INT_POLARITY);
1751}
1752
1753/**
1754 * evergreen_hpd_init - hpd setup callback.
1755 *
1756 * @rdev: radeon_device pointer
1757 *
1758 * Setup the hpd pins used by the card (evergreen+).
1759 * Enable the pin, set the polarity, and enable the hpd interrupts.
1760 */
1761void evergreen_hpd_init(struct radeon_device *rdev)
1762{
1763	struct drm_device *dev = rdev->ddev;
1764	struct drm_connector *connector;
1765	unsigned enabled = 0;
1766	u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) |
1767		DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN;
1768
1769	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1770		enum radeon_hpd_id hpd =
1771			to_radeon_connector(connector)->hpd.hpd;
1772
1773		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
1774		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
1775			/* don't try to enable hpd on eDP or LVDS avoid breaking the
1776			 * aux dp channel on imac and help (but not completely fix)
1777			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
1778			 * also avoid interrupt storms during dpms.
1779			 */
1780			continue;
1781		}
1782
1783		if (hpd == RADEON_HPD_NONE)
1784			continue;
1785
1786		WREG32(DC_HPDx_CONTROL(hpd), tmp);
1787		enabled |= 1 << hpd;
1788
1789		radeon_hpd_set_polarity(rdev, hpd);
1790	}
1791	radeon_irq_kms_enable_hpd(rdev, enabled);
1792}
1793
1794/**
1795 * evergreen_hpd_fini - hpd tear down callback.
1796 *
1797 * @rdev: radeon_device pointer
1798 *
1799 * Tear down the hpd pins used by the card (evergreen+).
1800 * Disable the hpd interrupts.
1801 */
1802void evergreen_hpd_fini(struct radeon_device *rdev)
1803{
1804	struct drm_device *dev = rdev->ddev;
1805	struct drm_connector *connector;
1806	unsigned disabled = 0;
1807
1808	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1809		enum radeon_hpd_id hpd =
1810			to_radeon_connector(connector)->hpd.hpd;
1811
1812		if (hpd == RADEON_HPD_NONE)
1813			continue;
1814
1815		WREG32(DC_HPDx_CONTROL(hpd), 0);
1816		disabled |= 1 << hpd;
1817	}
1818	radeon_irq_kms_disable_hpd(rdev, disabled);
1819}
1820
1821/* watermark setup */
1822
1823static u32 evergreen_line_buffer_adjust(struct radeon_device *rdev,
1824					struct radeon_crtc *radeon_crtc,
1825					struct drm_display_mode *mode,
1826					struct drm_display_mode *other_mode)
1827{
1828	u32 tmp, buffer_alloc, i;
1829	u32 pipe_offset = radeon_crtc->crtc_id * 0x20;
1830	/*
1831	 * Line Buffer Setup
1832	 * There are 3 line buffers, each one shared by 2 display controllers.
1833	 * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1834	 * the display controllers.  The paritioning is done via one of four
1835	 * preset allocations specified in bits 2:0:
1836	 * first display controller
1837	 *  0 - first half of lb (3840 * 2)
1838	 *  1 - first 3/4 of lb (5760 * 2)
1839	 *  2 - whole lb (7680 * 2), other crtc must be disabled
1840	 *  3 - first 1/4 of lb (1920 * 2)
1841	 * second display controller
1842	 *  4 - second half of lb (3840 * 2)
1843	 *  5 - second 3/4 of lb (5760 * 2)
1844	 *  6 - whole lb (7680 * 2), other crtc must be disabled
1845	 *  7 - last 1/4 of lb (1920 * 2)
1846	 */
1847	/* this can get tricky if we have two large displays on a paired group
1848	 * of crtcs.  Ideally for multiple large displays we'd assign them to
1849	 * non-linked crtcs for maximum line buffer allocation.
1850	 */
1851	if (radeon_crtc->base.enabled && mode) {
1852		if (other_mode) {
1853			tmp = 0; /* 1/2 */
1854			buffer_alloc = 1;
1855		} else {
1856			tmp = 2; /* whole */
1857			buffer_alloc = 2;
1858		}
1859	} else {
1860		tmp = 0;
1861		buffer_alloc = 0;
1862	}
1863
1864	/* second controller of the pair uses second half of the lb */
1865	if (radeon_crtc->crtc_id % 2)
1866		tmp += 4;
1867	WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset, tmp);
1868
1869	if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
1870		WREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1871		       DMIF_BUFFERS_ALLOCATED(buffer_alloc));
1872		for (i = 0; i < rdev->usec_timeout; i++) {
1873			if (RREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1874			    DMIF_BUFFERS_ALLOCATED_COMPLETED)
1875				break;
1876			udelay(1);
1877		}
1878	}
1879
1880	if (radeon_crtc->base.enabled && mode) {
1881		switch (tmp) {
1882		case 0:
1883		case 4:
1884		default:
1885			if (ASIC_IS_DCE5(rdev))
1886				return 4096 * 2;
1887			else
1888				return 3840 * 2;
1889		case 1:
1890		case 5:
1891			if (ASIC_IS_DCE5(rdev))
1892				return 6144 * 2;
1893			else
1894				return 5760 * 2;
1895		case 2:
1896		case 6:
1897			if (ASIC_IS_DCE5(rdev))
1898				return 8192 * 2;
1899			else
1900				return 7680 * 2;
1901		case 3:
1902		case 7:
1903			if (ASIC_IS_DCE5(rdev))
1904				return 2048 * 2;
1905			else
1906				return 1920 * 2;
1907		}
1908	}
1909
1910	/* controller not enabled, so no lb used */
1911	return 0;
1912}
1913
1914u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev)
1915{
1916	u32 tmp = RREG32(MC_SHARED_CHMAP);
1917
1918	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1919	case 0:
1920	default:
1921		return 1;
1922	case 1:
1923		return 2;
1924	case 2:
1925		return 4;
1926	case 3:
1927		return 8;
1928	}
1929}
1930
1931struct evergreen_wm_params {
1932	u32 dram_channels; /* number of dram channels */
1933	u32 yclk;          /* bandwidth per dram data pin in kHz */
1934	u32 sclk;          /* engine clock in kHz */
1935	u32 disp_clk;      /* display clock in kHz */
1936	u32 src_width;     /* viewport width */
1937	u32 active_time;   /* active display time in ns */
1938	u32 blank_time;    /* blank time in ns */
1939	bool interlaced;    /* mode is interlaced */
1940	fixed20_12 vsc;    /* vertical scale ratio */
1941	u32 num_heads;     /* number of active crtcs */
1942	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
1943	u32 lb_size;       /* line buffer allocated to pipe */
1944	u32 vtaps;         /* vertical scaler taps */
1945};
1946
1947static u32 evergreen_dram_bandwidth(struct evergreen_wm_params *wm)
1948{
1949	/* Calculate DRAM Bandwidth and the part allocated to display. */
1950	fixed20_12 dram_efficiency; /* 0.7 */
1951	fixed20_12 yclk, dram_channels, bandwidth;
1952	fixed20_12 a;
1953
1954	a.full = dfixed_const(1000);
1955	yclk.full = dfixed_const(wm->yclk);
1956	yclk.full = dfixed_div(yclk, a);
1957	dram_channels.full = dfixed_const(wm->dram_channels * 4);
1958	a.full = dfixed_const(10);
1959	dram_efficiency.full = dfixed_const(7);
1960	dram_efficiency.full = dfixed_div(dram_efficiency, a);
1961	bandwidth.full = dfixed_mul(dram_channels, yclk);
1962	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
1963
1964	return dfixed_trunc(bandwidth);
1965}
1966
1967static u32 evergreen_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
1968{
1969	/* Calculate DRAM Bandwidth and the part allocated to display. */
1970	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
1971	fixed20_12 yclk, dram_channels, bandwidth;
1972	fixed20_12 a;
1973
1974	a.full = dfixed_const(1000);
1975	yclk.full = dfixed_const(wm->yclk);
1976	yclk.full = dfixed_div(yclk, a);
1977	dram_channels.full = dfixed_const(wm->dram_channels * 4);
1978	a.full = dfixed_const(10);
1979	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
1980	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
1981	bandwidth.full = dfixed_mul(dram_channels, yclk);
1982	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
1983
1984	return dfixed_trunc(bandwidth);
1985}
1986
1987static u32 evergreen_data_return_bandwidth(struct evergreen_wm_params *wm)
1988{
1989	/* Calculate the display Data return Bandwidth */
1990	fixed20_12 return_efficiency; /* 0.8 */
1991	fixed20_12 sclk, bandwidth;
1992	fixed20_12 a;
1993
1994	a.full = dfixed_const(1000);
1995	sclk.full = dfixed_const(wm->sclk);
1996	sclk.full = dfixed_div(sclk, a);
1997	a.full = dfixed_const(10);
1998	return_efficiency.full = dfixed_const(8);
1999	return_efficiency.full = dfixed_div(return_efficiency, a);
2000	a.full = dfixed_const(32);
2001	bandwidth.full = dfixed_mul(a, sclk);
2002	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
2003
2004	return dfixed_trunc(bandwidth);
2005}
2006
2007static u32 evergreen_dmif_request_bandwidth(struct evergreen_wm_params *wm)
2008{
2009	/* Calculate the DMIF Request Bandwidth */
2010	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
2011	fixed20_12 disp_clk, bandwidth;
2012	fixed20_12 a;
2013
2014	a.full = dfixed_const(1000);
2015	disp_clk.full = dfixed_const(wm->disp_clk);
2016	disp_clk.full = dfixed_div(disp_clk, a);
2017	a.full = dfixed_const(10);
2018	disp_clk_request_efficiency.full = dfixed_const(8);
2019	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
2020	a.full = dfixed_const(32);
2021	bandwidth.full = dfixed_mul(a, disp_clk);
2022	bandwidth.full = dfixed_mul(bandwidth, disp_clk_request_efficiency);
2023
2024	return dfixed_trunc(bandwidth);
2025}
2026
2027static u32 evergreen_available_bandwidth(struct evergreen_wm_params *wm)
2028{
2029	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
2030	u32 dram_bandwidth = evergreen_dram_bandwidth(wm);
2031	u32 data_return_bandwidth = evergreen_data_return_bandwidth(wm);
2032	u32 dmif_req_bandwidth = evergreen_dmif_request_bandwidth(wm);
2033
2034	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
2035}
2036
2037static u32 evergreen_average_bandwidth(struct evergreen_wm_params *wm)
2038{
2039	/* Calculate the display mode Average Bandwidth
2040	 * DisplayMode should contain the source and destination dimensions,
2041	 * timing, etc.
2042	 */
2043	fixed20_12 bpp;
2044	fixed20_12 line_time;
2045	fixed20_12 src_width;
2046	fixed20_12 bandwidth;
2047	fixed20_12 a;
2048
2049	a.full = dfixed_const(1000);
2050	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
2051	line_time.full = dfixed_div(line_time, a);
2052	bpp.full = dfixed_const(wm->bytes_per_pixel);
2053	src_width.full = dfixed_const(wm->src_width);
2054	bandwidth.full = dfixed_mul(src_width, bpp);
2055	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
2056	bandwidth.full = dfixed_div(bandwidth, line_time);
2057
2058	return dfixed_trunc(bandwidth);
2059}
2060
2061static u32 evergreen_latency_watermark(struct evergreen_wm_params *wm)
2062{
2063	/* First calcualte the latency in ns */
2064	u32 mc_latency = 2000; /* 2000 ns. */
2065	u32 available_bandwidth = evergreen_available_bandwidth(wm);
2066	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
2067	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
2068	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
2069	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
2070		(wm->num_heads * cursor_line_pair_return_time);
2071	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
2072	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
2073	fixed20_12 a, b, c;
2074
2075	if (wm->num_heads == 0)
2076		return 0;
2077
2078	a.full = dfixed_const(2);
2079	b.full = dfixed_const(1);
2080	if ((wm->vsc.full > a.full) ||
2081	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
2082	    (wm->vtaps >= 5) ||
2083	    ((wm->vsc.full >= a.full) && wm->interlaced))
2084		max_src_lines_per_dst_line = 4;
2085	else
2086		max_src_lines_per_dst_line = 2;
2087
2088	a.full = dfixed_const(available_bandwidth);
2089	b.full = dfixed_const(wm->num_heads);
2090	a.full = dfixed_div(a, b);
2091
2092	lb_fill_bw = min(dfixed_trunc(a), wm->disp_clk * wm->bytes_per_pixel / 1000);
2093
2094	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
2095	b.full = dfixed_const(1000);
2096	c.full = dfixed_const(lb_fill_bw);
2097	b.full = dfixed_div(c, b);
2098	a.full = dfixed_div(a, b);
2099	line_fill_time = dfixed_trunc(a);
2100
2101	if (line_fill_time < wm->active_time)
2102		return latency;
2103	else
2104		return latency + (line_fill_time - wm->active_time);
2105
2106}
2107
2108static bool evergreen_average_bandwidth_vs_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
2109{
2110	if (evergreen_average_bandwidth(wm) <=
2111	    (evergreen_dram_bandwidth_for_display(wm) / wm->num_heads))
2112		return true;
2113	else
2114		return false;
2115};
2116
2117static bool evergreen_average_bandwidth_vs_available_bandwidth(struct evergreen_wm_params *wm)
2118{
2119	if (evergreen_average_bandwidth(wm) <=
2120	    (evergreen_available_bandwidth(wm) / wm->num_heads))
2121		return true;
2122	else
2123		return false;
2124};
2125
2126static bool evergreen_check_latency_hiding(struct evergreen_wm_params *wm)
2127{
2128	u32 lb_partitions = wm->lb_size / wm->src_width;
2129	u32 line_time = wm->active_time + wm->blank_time;
2130	u32 latency_tolerant_lines;
2131	u32 latency_hiding;
2132	fixed20_12 a;
2133
2134	a.full = dfixed_const(1);
2135	if (wm->vsc.full > a.full)
2136		latency_tolerant_lines = 1;
2137	else {
2138		if (lb_partitions <= (wm->vtaps + 1))
2139			latency_tolerant_lines = 1;
2140		else
2141			latency_tolerant_lines = 2;
2142	}
2143
2144	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
2145
2146	if (evergreen_latency_watermark(wm) <= latency_hiding)
2147		return true;
2148	else
2149		return false;
2150}
2151
2152static void evergreen_program_watermarks(struct radeon_device *rdev,
2153					 struct radeon_crtc *radeon_crtc,
2154					 u32 lb_size, u32 num_heads)
2155{
2156	struct drm_display_mode *mode = &radeon_crtc->base.mode;
2157	struct evergreen_wm_params wm_low, wm_high;
2158	u32 dram_channels;
2159	u32 active_time;
2160	u32 line_time = 0;
2161	u32 latency_watermark_a = 0, latency_watermark_b = 0;
2162	u32 priority_a_mark = 0, priority_b_mark = 0;
2163	u32 priority_a_cnt = PRIORITY_OFF;
2164	u32 priority_b_cnt = PRIORITY_OFF;
2165	u32 pipe_offset = radeon_crtc->crtc_id * 16;
2166	u32 tmp, arb_control3;
2167	fixed20_12 a, b, c;
2168
2169	if (radeon_crtc->base.enabled && num_heads && mode) {
2170		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
2171					    (u32)mode->clock);
2172		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
2173					  (u32)mode->clock);
2174		line_time = min(line_time, (u32)65535);
2175		priority_a_cnt = 0;
2176		priority_b_cnt = 0;
2177		dram_channels = evergreen_get_number_of_dram_channels(rdev);
2178
2179		/* watermark for high clocks */
2180		if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
2181			wm_high.yclk =
2182				radeon_dpm_get_mclk(rdev, false) * 10;
2183			wm_high.sclk =
2184				radeon_dpm_get_sclk(rdev, false) * 10;
2185		} else {
2186			wm_high.yclk = rdev->pm.current_mclk * 10;
2187			wm_high.sclk = rdev->pm.current_sclk * 10;
2188		}
2189
2190		wm_high.disp_clk = mode->clock;
2191		wm_high.src_width = mode->crtc_hdisplay;
2192		wm_high.active_time = active_time;
2193		wm_high.blank_time = line_time - wm_high.active_time;
2194		wm_high.interlaced = false;
2195		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2196			wm_high.interlaced = true;
2197		wm_high.vsc = radeon_crtc->vsc;
2198		wm_high.vtaps = 1;
2199		if (radeon_crtc->rmx_type != RMX_OFF)
2200			wm_high.vtaps = 2;
2201		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
2202		wm_high.lb_size = lb_size;
2203		wm_high.dram_channels = dram_channels;
2204		wm_high.num_heads = num_heads;
2205
2206		/* watermark for low clocks */
2207		if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
2208			wm_low.yclk =
2209				radeon_dpm_get_mclk(rdev, true) * 10;
2210			wm_low.sclk =
2211				radeon_dpm_get_sclk(rdev, true) * 10;
2212		} else {
2213			wm_low.yclk = rdev->pm.current_mclk * 10;
2214			wm_low.sclk = rdev->pm.current_sclk * 10;
2215		}
2216
2217		wm_low.disp_clk = mode->clock;
2218		wm_low.src_width = mode->crtc_hdisplay;
2219		wm_low.active_time = active_time;
2220		wm_low.blank_time = line_time - wm_low.active_time;
2221		wm_low.interlaced = false;
2222		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2223			wm_low.interlaced = true;
2224		wm_low.vsc = radeon_crtc->vsc;
2225		wm_low.vtaps = 1;
2226		if (radeon_crtc->rmx_type != RMX_OFF)
2227			wm_low.vtaps = 2;
2228		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
2229		wm_low.lb_size = lb_size;
2230		wm_low.dram_channels = dram_channels;
2231		wm_low.num_heads = num_heads;
2232
2233		/* set for high clocks */
2234		latency_watermark_a = min(evergreen_latency_watermark(&wm_high), (u32)65535);
2235		/* set for low clocks */
2236		latency_watermark_b = min(evergreen_latency_watermark(&wm_low), (u32)65535);
2237
2238		/* possibly force display priority to high */
2239		/* should really do this at mode validation time... */
2240		if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
2241		    !evergreen_average_bandwidth_vs_available_bandwidth(&wm_high) ||
2242		    !evergreen_check_latency_hiding(&wm_high) ||
2243		    (rdev->disp_priority == 2)) {
2244			DRM_DEBUG_KMS("force priority a to high\n");
2245			priority_a_cnt |= PRIORITY_ALWAYS_ON;
2246		}
2247		if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
2248		    !evergreen_average_bandwidth_vs_available_bandwidth(&wm_low) ||
2249		    !evergreen_check_latency_hiding(&wm_low) ||
2250		    (rdev->disp_priority == 2)) {
2251			DRM_DEBUG_KMS("force priority b to high\n");
2252			priority_b_cnt |= PRIORITY_ALWAYS_ON;
2253		}
2254
2255		a.full = dfixed_const(1000);
2256		b.full = dfixed_const(mode->clock);
2257		b.full = dfixed_div(b, a);
2258		c.full = dfixed_const(latency_watermark_a);
2259		c.full = dfixed_mul(c, b);
2260		c.full = dfixed_mul(c, radeon_crtc->hsc);
2261		c.full = dfixed_div(c, a);
2262		a.full = dfixed_const(16);
2263		c.full = dfixed_div(c, a);
2264		priority_a_mark = dfixed_trunc(c);
2265		priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
2266
2267		a.full = dfixed_const(1000);
2268		b.full = dfixed_const(mode->clock);
2269		b.full = dfixed_div(b, a);
2270		c.full = dfixed_const(latency_watermark_b);
2271		c.full = dfixed_mul(c, b);
2272		c.full = dfixed_mul(c, radeon_crtc->hsc);
2273		c.full = dfixed_div(c, a);
2274		a.full = dfixed_const(16);
2275		c.full = dfixed_div(c, a);
2276		priority_b_mark = dfixed_trunc(c);
2277		priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
2278
2279		/* Save number of lines the linebuffer leads before the scanout */
2280		radeon_crtc->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
2281	}
2282
2283	/* select wm A */
2284	arb_control3 = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
2285	tmp = arb_control3;
2286	tmp &= ~LATENCY_WATERMARK_MASK(3);
2287	tmp |= LATENCY_WATERMARK_MASK(1);
2288	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
2289	WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
2290	       (LATENCY_LOW_WATERMARK(latency_watermark_a) |
2291		LATENCY_HIGH_WATERMARK(line_time)));
2292	/* select wm B */
2293	tmp = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
2294	tmp &= ~LATENCY_WATERMARK_MASK(3);
2295	tmp |= LATENCY_WATERMARK_MASK(2);
2296	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
2297	WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
2298	       (LATENCY_LOW_WATERMARK(latency_watermark_b) |
2299		LATENCY_HIGH_WATERMARK(line_time)));
2300	/* restore original selection */
2301	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, arb_control3);
2302
2303	/* write the priority marks */
2304	WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
2305	WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);
2306
2307	/* save values for DPM */
2308	radeon_crtc->line_time = line_time;
2309	radeon_crtc->wm_high = latency_watermark_a;
2310	radeon_crtc->wm_low = latency_watermark_b;
2311}
2312
2313/**
2314 * evergreen_bandwidth_update - update display watermarks callback.
2315 *
2316 * @rdev: radeon_device pointer
2317 *
2318 * Update the display watermarks based on the requested mode(s)
2319 * (evergreen+).
2320 */
2321void evergreen_bandwidth_update(struct radeon_device *rdev)
2322{
2323	struct drm_display_mode *mode0 = NULL;
2324	struct drm_display_mode *mode1 = NULL;
2325	u32 num_heads = 0, lb_size;
2326	int i;
2327
2328	if (!rdev->mode_info.mode_config_initialized)
2329		return;
2330
2331	radeon_update_display_priority(rdev);
2332
2333	for (i = 0; i < rdev->num_crtc; i++) {
2334		if (rdev->mode_info.crtcs[i]->base.enabled)
2335			num_heads++;
2336	}
2337	for (i = 0; i < rdev->num_crtc; i += 2) {
2338		mode0 = &rdev->mode_info.crtcs[i]->base.mode;
2339		mode1 = &rdev->mode_info.crtcs[i+1]->base.mode;
2340		lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1);
2341		evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads);
2342		lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0);
2343		evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads);
2344	}
2345}
2346
2347/**
2348 * evergreen_mc_wait_for_idle - wait for MC idle callback.
2349 *
2350 * @rdev: radeon_device pointer
2351 *
2352 * Wait for the MC (memory controller) to be idle.
2353 * (evergreen+).
2354 * Returns 0 if the MC is idle, -1 if not.
2355 */
2356int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
2357{
2358	unsigned i;
2359	u32 tmp;
2360
2361	for (i = 0; i < rdev->usec_timeout; i++) {
2362		/* read MC_STATUS */
2363		tmp = RREG32(SRBM_STATUS) & 0x1F00;
2364		if (!tmp)
2365			return 0;
2366		udelay(1);
2367	}
2368	return -1;
2369}
2370
2371/*
2372 * GART
2373 */
2374void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev)
2375{
2376	unsigned i;
2377	u32 tmp;
2378
2379	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
2380
2381	WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
2382	for (i = 0; i < rdev->usec_timeout; i++) {
2383		/* read MC_STATUS */
2384		tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
2385		tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
2386		if (tmp == 2) {
2387			pr_warn("[drm] r600 flush TLB failed\n");
2388			return;
2389		}
2390		if (tmp) {
2391			return;
2392		}
2393		udelay(1);
2394	}
2395}
2396
2397static int evergreen_pcie_gart_enable(struct radeon_device *rdev)
2398{
2399	u32 tmp;
2400	int r;
2401
2402	if (rdev->gart.robj == NULL) {
2403		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
2404		return -EINVAL;
2405	}
2406	r = radeon_gart_table_vram_pin(rdev);
2407	if (r)
2408		return r;
2409	/* Setup L2 cache */
2410	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
2411				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
2412				EFFECTIVE_L2_QUEUE_SIZE(7));
2413	WREG32(VM_L2_CNTL2, 0);
2414	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
2415	/* Setup TLB control */
2416	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
2417		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
2418		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
2419		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
2420	if (rdev->flags & RADEON_IS_IGP) {
2421		WREG32(FUS_MC_VM_MD_L1_TLB0_CNTL, tmp);
2422		WREG32(FUS_MC_VM_MD_L1_TLB1_CNTL, tmp);
2423		WREG32(FUS_MC_VM_MD_L1_TLB2_CNTL, tmp);
2424	} else {
2425		WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
2426		WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
2427		WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
2428		if ((rdev->family == CHIP_JUNIPER) ||
2429		    (rdev->family == CHIP_CYPRESS) ||
2430		    (rdev->family == CHIP_HEMLOCK) ||
2431		    (rdev->family == CHIP_BARTS))
2432			WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
2433	}
2434	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
2435	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
2436	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
2437	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
2438	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
2439	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
2440	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
2441	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
2442				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
2443	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
2444			(u32)(rdev->dummy_page.addr >> 12));
2445	WREG32(VM_CONTEXT1_CNTL, 0);
2446
2447	evergreen_pcie_gart_tlb_flush(rdev);
2448	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
2449		 (unsigned)(rdev->mc.gtt_size >> 20),
2450		 (unsigned long long)rdev->gart.table_addr);
2451	rdev->gart.ready = true;
2452	return 0;
2453}
2454
2455static void evergreen_pcie_gart_disable(struct radeon_device *rdev)
2456{
2457	u32 tmp;
2458
2459	/* Disable all tables */
2460	WREG32(VM_CONTEXT0_CNTL, 0);
2461	WREG32(VM_CONTEXT1_CNTL, 0);
2462
2463	/* Setup L2 cache */
2464	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
2465				EFFECTIVE_L2_QUEUE_SIZE(7));
2466	WREG32(VM_L2_CNTL2, 0);
2467	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
2468	/* Setup TLB control */
2469	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
2470	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
2471	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
2472	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
2473	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
2474	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
2475	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
2476	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
2477	radeon_gart_table_vram_unpin(rdev);
2478}
2479
2480static void evergreen_pcie_gart_fini(struct radeon_device *rdev)
2481{
2482	evergreen_pcie_gart_disable(rdev);
2483	radeon_gart_table_vram_free(rdev);
2484	radeon_gart_fini(rdev);
2485}
2486
2487
2488static void evergreen_agp_enable(struct radeon_device *rdev)
2489{
2490	u32 tmp;
2491
2492	/* Setup L2 cache */
2493	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
2494				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
2495				EFFECTIVE_L2_QUEUE_SIZE(7));
2496	WREG32(VM_L2_CNTL2, 0);
2497	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
2498	/* Setup TLB control */
2499	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
2500		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
2501		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
2502		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
2503	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
2504	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
2505	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
2506	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
2507	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
2508	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
2509	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
2510	WREG32(VM_CONTEXT0_CNTL, 0);
2511	WREG32(VM_CONTEXT1_CNTL, 0);
2512}
2513
2514static const unsigned ni_dig_offsets[] =
2515{
2516	NI_DIG0_REGISTER_OFFSET,
2517	NI_DIG1_REGISTER_OFFSET,
2518	NI_DIG2_REGISTER_OFFSET,
2519	NI_DIG3_REGISTER_OFFSET,
2520	NI_DIG4_REGISTER_OFFSET,
2521	NI_DIG5_REGISTER_OFFSET
2522};
2523
2524static const unsigned ni_tx_offsets[] =
2525{
2526	NI_DCIO_UNIPHY0_UNIPHY_TX_CONTROL1,
2527	NI_DCIO_UNIPHY1_UNIPHY_TX_CONTROL1,
2528	NI_DCIO_UNIPHY2_UNIPHY_TX_CONTROL1,
2529	NI_DCIO_UNIPHY3_UNIPHY_TX_CONTROL1,
2530	NI_DCIO_UNIPHY4_UNIPHY_TX_CONTROL1,
2531	NI_DCIO_UNIPHY5_UNIPHY_TX_CONTROL1
2532};
2533
2534static const unsigned evergreen_dp_offsets[] =
2535{
2536	EVERGREEN_DP0_REGISTER_OFFSET,
2537	EVERGREEN_DP1_REGISTER_OFFSET,
2538	EVERGREEN_DP2_REGISTER_OFFSET,
2539	EVERGREEN_DP3_REGISTER_OFFSET,
2540	EVERGREEN_DP4_REGISTER_OFFSET,
2541	EVERGREEN_DP5_REGISTER_OFFSET
2542};
2543
2544static const unsigned evergreen_disp_int_status[] =
2545{
2546	DISP_INTERRUPT_STATUS,
2547	DISP_INTERRUPT_STATUS_CONTINUE,
2548	DISP_INTERRUPT_STATUS_CONTINUE2,
2549	DISP_INTERRUPT_STATUS_CONTINUE3,
2550	DISP_INTERRUPT_STATUS_CONTINUE4,
2551	DISP_INTERRUPT_STATUS_CONTINUE5
2552};
2553
2554/*
2555 * Assumption is that EVERGREEN_CRTC_MASTER_EN enable for requested crtc
2556 * We go from crtc to connector and it is not relible  since it
2557 * should be an opposite direction .If crtc is enable then
2558 * find the dig_fe which selects this crtc and insure that it enable.
2559 * if such dig_fe is found then find dig_be which selects found dig_be and
2560 * insure that it enable and in DP_SST mode.
2561 * if UNIPHY_PLL_CONTROL1.enable then we should disconnect timing
2562 * from dp symbols clocks .
2563 */
2564static bool evergreen_is_dp_sst_stream_enabled(struct radeon_device *rdev,
2565					       unsigned crtc_id, unsigned *ret_dig_fe)
2566{
2567	unsigned i;
2568	unsigned dig_fe;
2569	unsigned dig_be;
2570	unsigned dig_en_be;
2571	unsigned uniphy_pll;
2572	unsigned digs_fe_selected;
2573	unsigned dig_be_mode;
2574	unsigned dig_fe_mask;
2575	bool is_enabled = false;
2576	bool found_crtc = false;
2577
2578	/* loop through all running dig_fe to find selected crtc */
2579	for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) {
2580		dig_fe = RREG32(NI_DIG_FE_CNTL + ni_dig_offsets[i]);
2581		if (dig_fe & NI_DIG_FE_CNTL_SYMCLK_FE_ON &&
2582		    crtc_id == NI_DIG_FE_CNTL_SOURCE_SELECT(dig_fe)) {
2583			/* found running pipe */
2584			found_crtc = true;
2585			dig_fe_mask = 1 << i;
2586			dig_fe = i;
2587			break;
2588		}
2589	}
2590
2591	if (found_crtc) {
2592		/* loop through all running dig_be to find selected dig_fe */
2593		for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) {
2594			dig_be = RREG32(NI_DIG_BE_CNTL + ni_dig_offsets[i]);
2595			/* if dig_fe_selected by dig_be? */
2596			digs_fe_selected = NI_DIG_BE_CNTL_FE_SOURCE_SELECT(dig_be);
2597			dig_be_mode = NI_DIG_FE_CNTL_MODE(dig_be);
2598			if (dig_fe_mask &  digs_fe_selected &&
2599			    /* if dig_be in sst mode? */
2600			    dig_be_mode == NI_DIG_BE_DPSST) {
2601				dig_en_be = RREG32(NI_DIG_BE_EN_CNTL +
2602						   ni_dig_offsets[i]);
2603				uniphy_pll = RREG32(NI_DCIO_UNIPHY0_PLL_CONTROL1 +
2604						    ni_tx_offsets[i]);
2605				/* dig_be enable and tx is running */
2606				if (dig_en_be & NI_DIG_BE_EN_CNTL_ENABLE &&
2607				    dig_en_be & NI_DIG_BE_EN_CNTL_SYMBCLK_ON &&
2608				    uniphy_pll & NI_DCIO_UNIPHY0_PLL_CONTROL1_ENABLE) {
2609					is_enabled = true;
2610					*ret_dig_fe = dig_fe;
2611					break;
2612				}
2613			}
2614		}
2615	}
2616
2617	return is_enabled;
2618}
2619
2620/*
2621 * Blank dig when in dp sst mode
2622 * Dig ignores crtc timing
2623 */
2624static void evergreen_blank_dp_output(struct radeon_device *rdev,
2625				      unsigned dig_fe)
2626{
2627	unsigned stream_ctrl;
2628	unsigned fifo_ctrl;
2629	unsigned counter = 0;
2630
2631	if (dig_fe >= ARRAY_SIZE(evergreen_dp_offsets)) {
2632		DRM_ERROR("invalid dig_fe %d\n", dig_fe);
2633		return;
2634	}
2635
2636	stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
2637			     evergreen_dp_offsets[dig_fe]);
2638	if (!(stream_ctrl & EVERGREEN_DP_VID_STREAM_CNTL_ENABLE)) {
2639		DRM_ERROR("dig %d , should be enable\n", dig_fe);
2640		return;
2641	}
2642
2643	stream_ctrl &=~EVERGREEN_DP_VID_STREAM_CNTL_ENABLE;
2644	WREG32(EVERGREEN_DP_VID_STREAM_CNTL +
2645	       evergreen_dp_offsets[dig_fe], stream_ctrl);
2646
2647	stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
2648			     evergreen_dp_offsets[dig_fe]);
2649	while (counter < 32 && stream_ctrl & EVERGREEN_DP_VID_STREAM_STATUS) {
2650		msleep(1);
2651		counter++;
2652		stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
2653				     evergreen_dp_offsets[dig_fe]);
2654	}
2655	if (counter >= 32 )
2656		DRM_ERROR("counter exceeds %d\n", counter);
2657
2658	fifo_ctrl = RREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe]);
2659	fifo_ctrl |= EVERGREEN_DP_STEER_FIFO_RESET;
2660	WREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe], fifo_ctrl);
2661
2662}
2663
2664void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
2665{
2666	u32 crtc_enabled, tmp, frame_count, blackout;
2667	int i, j;
2668	unsigned dig_fe;
2669
2670	if (!ASIC_IS_NODCE(rdev)) {
2671		save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
2672		save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
2673
2674		/* disable VGA render */
2675		WREG32(VGA_RENDER_CONTROL, 0);
2676	}
2677	/* blank the display controllers */
2678	for (i = 0; i < rdev->num_crtc; i++) {
2679		crtc_enabled = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN;
2680		if (crtc_enabled) {
2681			save->crtc_enabled[i] = true;
2682			if (ASIC_IS_DCE6(rdev)) {
2683				tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
2684				if (!(tmp & EVERGREEN_CRTC_BLANK_DATA_EN)) {
2685					radeon_wait_for_vblank(rdev, i);
2686					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2687					tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
2688					WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
2689					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2690				}
2691			} else {
2692				tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
2693				if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) {
2694					radeon_wait_for_vblank(rdev, i);
2695					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2696					tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
2697					WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
2698					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2699				}
2700			}
2701			/* wait for the next frame */
2702			frame_count = radeon_get_vblank_counter(rdev, i);
2703			for (j = 0; j < rdev->usec_timeout; j++) {
2704				if (radeon_get_vblank_counter(rdev, i) != frame_count)
2705					break;
2706				udelay(1);
2707			}
2708			/*we should disable dig if it drives dp sst*/
2709			/*but we are in radeon_device_init and the topology is unknown*/
2710			/*and it is available after radeon_modeset_init*/
2711			/*the following method radeon_atom_encoder_dpms_dig*/
2712			/*does the job if we initialize it properly*/
2713			/*for now we do it this manually*/
2714			/**/
2715			if (ASIC_IS_DCE5(rdev) &&
2716			    evergreen_is_dp_sst_stream_enabled(rdev, i ,&dig_fe))
2717				evergreen_blank_dp_output(rdev, dig_fe);
2718			/*we could remove 6 lines below*/
2719			/* XXX this is a hack to avoid strange behavior with EFI on certain systems */
2720			WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2721			tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
2722			tmp &= ~EVERGREEN_CRTC_MASTER_EN;
2723			WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
2724			WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2725			save->crtc_enabled[i] = false;
2726			/* ***** */
2727		} else {
2728			save->crtc_enabled[i] = false;
2729		}
2730	}
2731
2732	radeon_mc_wait_for_idle(rdev);
2733
2734	blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
2735	if ((blackout & BLACKOUT_MODE_MASK) != 1) {
2736		/* Block CPU access */
2737		WREG32(BIF_FB_EN, 0);
2738		/* blackout the MC */
2739		blackout &= ~BLACKOUT_MODE_MASK;
2740		WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
2741	}
2742	/* wait for the MC to settle */
2743	udelay(100);
2744
2745	/* lock double buffered regs */
2746	for (i = 0; i < rdev->num_crtc; i++) {
2747		if (save->crtc_enabled[i]) {
2748			tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
2749			if (!(tmp & EVERGREEN_GRPH_UPDATE_LOCK)) {
2750				tmp |= EVERGREEN_GRPH_UPDATE_LOCK;
2751				WREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i], tmp);
2752			}
2753			tmp = RREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i]);
2754			if (!(tmp & 1)) {
2755				tmp |= 1;
2756				WREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
2757			}
2758		}
2759	}
2760}
2761
2762void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
2763{
2764	u32 tmp, frame_count;
2765	int i, j;
2766
2767	/* update crtc base addresses */
2768	for (i = 0; i < rdev->num_crtc; i++) {
2769		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
2770		       upper_32_bits(rdev->mc.vram_start));
2771		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
2772		       upper_32_bits(rdev->mc.vram_start));
2773		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
2774		       (u32)rdev->mc.vram_start);
2775		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
2776		       (u32)rdev->mc.vram_start);
2777	}
2778
2779	if (!ASIC_IS_NODCE(rdev)) {
2780		WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
2781		WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
2782	}
2783
2784	/* unlock regs and wait for update */
2785	for (i = 0; i < rdev->num_crtc; i++) {
2786		if (save->crtc_enabled[i]) {
2787			tmp = RREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i]);
2788			if ((tmp & 0x7) != 0) {
2789				tmp &= ~0x7;
2790				WREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
2791			}
2792			tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
2793			if (tmp & EVERGREEN_GRPH_UPDATE_LOCK) {
2794				tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK;
2795				WREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i], tmp);
2796			}
2797			tmp = RREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i]);
2798			if (tmp & 1) {
2799				tmp &= ~1;
2800				WREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
2801			}
2802			for (j = 0; j < rdev->usec_timeout; j++) {
2803				tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
2804				if ((tmp & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING) == 0)
2805					break;
2806				udelay(1);
2807			}
2808		}
2809	}
2810
2811	/* unblackout the MC */
2812	tmp = RREG32(MC_SHARED_BLACKOUT_CNTL);
2813	tmp &= ~BLACKOUT_MODE_MASK;
2814	WREG32(MC_SHARED_BLACKOUT_CNTL, tmp);
2815	/* allow CPU access */
2816	WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
2817
2818	for (i = 0; i < rdev->num_crtc; i++) {
2819		if (save->crtc_enabled[i]) {
2820			if (ASIC_IS_DCE6(rdev)) {
2821				tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
2822				tmp &= ~EVERGREEN_CRTC_BLANK_DATA_EN;
2823				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2824				WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
2825				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2826			} else {
2827				tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
2828				tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
2829				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2830				WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
2831				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2832			}
2833			/* wait for the next frame */
2834			frame_count = radeon_get_vblank_counter(rdev, i);
2835			for (j = 0; j < rdev->usec_timeout; j++) {
2836				if (radeon_get_vblank_counter(rdev, i) != frame_count)
2837					break;
2838				udelay(1);
2839			}
2840		}
2841	}
2842	if (!ASIC_IS_NODCE(rdev)) {
2843		/* Unlock vga access */
2844		WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
2845		mdelay(1);
2846		WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
2847	}
2848}
2849
2850void evergreen_mc_program(struct radeon_device *rdev)
2851{
2852	struct evergreen_mc_save save;
2853	u32 tmp;
2854	int i, j;
2855
2856	/* Initialize HDP */
2857	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
2858		WREG32((0x2c14 + j), 0x00000000);
2859		WREG32((0x2c18 + j), 0x00000000);
2860		WREG32((0x2c1c + j), 0x00000000);
2861		WREG32((0x2c20 + j), 0x00000000);
2862		WREG32((0x2c24 + j), 0x00000000);
2863	}
2864	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
2865
2866	evergreen_mc_stop(rdev, &save);
2867	if (evergreen_mc_wait_for_idle(rdev)) {
2868		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
2869	}
2870	/* Lockout access through VGA aperture*/
2871	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
2872	/* Update configuration */
2873	if (rdev->flags & RADEON_IS_AGP) {
2874		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
2875			/* VRAM before AGP */
2876			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
2877				rdev->mc.vram_start >> 12);
2878			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
2879				rdev->mc.gtt_end >> 12);
2880		} else {
2881			/* VRAM after AGP */
2882			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
2883				rdev->mc.gtt_start >> 12);
2884			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
2885				rdev->mc.vram_end >> 12);
2886		}
2887	} else {
2888		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
2889			rdev->mc.vram_start >> 12);
2890		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
2891			rdev->mc.vram_end >> 12);
2892	}
2893	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
2894	/* llano/ontario only */
2895	if ((rdev->family == CHIP_PALM) ||
2896	    (rdev->family == CHIP_SUMO) ||
2897	    (rdev->family == CHIP_SUMO2)) {
2898		tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF;
2899		tmp |= ((rdev->mc.vram_end >> 20) & 0xF) << 24;
2900		tmp |= ((rdev->mc.vram_start >> 20) & 0xF) << 20;
2901		WREG32(MC_FUS_VM_FB_OFFSET, tmp);
2902	}
2903	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
2904	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
2905	WREG32(MC_VM_FB_LOCATION, tmp);
2906	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
2907	WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
2908	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
2909	if (rdev->flags & RADEON_IS_AGP) {
2910		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
2911		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
2912		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
2913	} else {
2914		WREG32(MC_VM_AGP_BASE, 0);
2915		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
2916		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
2917	}
2918	if (evergreen_mc_wait_for_idle(rdev)) {
2919		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
2920	}
2921	evergreen_mc_resume(rdev, &save);
2922	/* we need to own VRAM, so turn off the VGA renderer here
2923	 * to stop it overwriting our objects */
2924	rv515_vga_render_disable(rdev);
2925}
2926
2927/*
2928 * CP.
2929 */
2930void evergreen_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
2931{
2932	struct radeon_ring *ring = &rdev->ring[ib->ring];
2933	u32 next_rptr;
2934
2935	/* set to DX10/11 mode */
2936	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
2937	radeon_ring_write(ring, 1);
2938
2939	if (ring->rptr_save_reg) {
2940		next_rptr = ring->wptr + 3 + 4;
2941		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2942		radeon_ring_write(ring, ((ring->rptr_save_reg - 
2943					  PACKET3_SET_CONFIG_REG_START) >> 2));
2944		radeon_ring_write(ring, next_rptr);
2945	} else if (rdev->wb.enabled) {
2946		next_rptr = ring->wptr + 5 + 4;
2947		radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3));
2948		radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
2949		radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18));
2950		radeon_ring_write(ring, next_rptr);
2951		radeon_ring_write(ring, 0);
2952	}
2953
2954	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
2955	radeon_ring_write(ring,
2956#ifdef __BIG_ENDIAN
2957			  (2 << 0) |
2958#endif
2959			  (ib->gpu_addr & 0xFFFFFFFC));
2960	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
2961	radeon_ring_write(ring, ib->length_dw);
2962}
2963
2964
2965static int evergreen_cp_load_microcode(struct radeon_device *rdev)
2966{
2967	const __be32 *fw_data;
2968	int i;
2969
2970	if (!rdev->me_fw || !rdev->pfp_fw)
2971		return -EINVAL;
2972
2973	r700_cp_stop(rdev);
2974	WREG32(CP_RB_CNTL,
2975#ifdef __BIG_ENDIAN
2976	       BUF_SWAP_32BIT |
2977#endif
2978	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
2979
2980	fw_data = (const __be32 *)rdev->pfp_fw->data;
2981	WREG32(CP_PFP_UCODE_ADDR, 0);
2982	for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++)
2983		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
2984	WREG32(CP_PFP_UCODE_ADDR, 0);
2985
2986	fw_data = (const __be32 *)rdev->me_fw->data;
2987	WREG32(CP_ME_RAM_WADDR, 0);
2988	for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++)
2989		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
2990
2991	WREG32(CP_PFP_UCODE_ADDR, 0);
2992	WREG32(CP_ME_RAM_WADDR, 0);
2993	WREG32(CP_ME_RAM_RADDR, 0);
2994	return 0;
2995}
2996
2997static int evergreen_cp_start(struct radeon_device *rdev)
2998{
2999	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3000	int r, i;
3001	uint32_t cp_me;
3002
3003	r = radeon_ring_lock(rdev, ring, 7);
3004	if (r) {
3005		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3006		return r;
3007	}
3008	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
3009	radeon_ring_write(ring, 0x1);
3010	radeon_ring_write(ring, 0x0);
3011	radeon_ring_write(ring, rdev->config.evergreen.max_hw_contexts - 1);
3012	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
3013	radeon_ring_write(ring, 0);
3014	radeon_ring_write(ring, 0);
3015	radeon_ring_unlock_commit(rdev, ring, false);
3016
3017	cp_me = 0xff;
3018	WREG32(CP_ME_CNTL, cp_me);
3019
3020	r = radeon_ring_lock(rdev, ring, evergreen_default_size + 19);
3021	if (r) {
3022		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3023		return r;
3024	}
3025
3026	/* setup clear context state */
3027	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
3028	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
3029
3030	for (i = 0; i < evergreen_default_size; i++)
3031		radeon_ring_write(ring, evergreen_default_state[i]);
3032
3033	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
3034	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
3035
3036	/* set clear context state */
3037	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
3038	radeon_ring_write(ring, 0);
3039
3040	/* SQ_VTX_BASE_VTX_LOC */
3041	radeon_ring_write(ring, 0xc0026f00);
3042	radeon_ring_write(ring, 0x00000000);
3043	radeon_ring_write(ring, 0x00000000);
3044	radeon_ring_write(ring, 0x00000000);
3045
3046	/* Clear consts */
3047	radeon_ring_write(ring, 0xc0036f00);
3048	radeon_ring_write(ring, 0x00000bc4);
3049	radeon_ring_write(ring, 0xffffffff);
3050	radeon_ring_write(ring, 0xffffffff);
3051	radeon_ring_write(ring, 0xffffffff);
3052
3053	radeon_ring_write(ring, 0xc0026900);
3054	radeon_ring_write(ring, 0x00000316);
3055	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
3056	radeon_ring_write(ring, 0x00000010); /*  */
3057
3058	radeon_ring_unlock_commit(rdev, ring, false);
3059
3060	return 0;
3061}
3062
3063static int evergreen_cp_resume(struct radeon_device *rdev)
3064{
3065	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3066	u32 tmp;
3067	u32 rb_bufsz;
3068	int r;
3069
3070	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
3071	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
3072				 SOFT_RESET_PA |
3073				 SOFT_RESET_SH |
3074				 SOFT_RESET_VGT |
3075				 SOFT_RESET_SPI |
3076				 SOFT_RESET_SX));
3077	RREG32(GRBM_SOFT_RESET);
3078	mdelay(15);
3079	WREG32(GRBM_SOFT_RESET, 0);
3080	RREG32(GRBM_SOFT_RESET);
3081
3082	/* Set ring buffer size */
3083	rb_bufsz = order_base_2(ring->ring_size / 8);
3084	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3085#ifdef __BIG_ENDIAN
3086	tmp |= BUF_SWAP_32BIT;
3087#endif
3088	WREG32(CP_RB_CNTL, tmp);
3089	WREG32(CP_SEM_WAIT_TIMER, 0x0);
3090	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
3091
3092	/* Set the write pointer delay */
3093	WREG32(CP_RB_WPTR_DELAY, 0);
3094
3095	/* Initialize the ring buffer's read and write pointers */
3096	WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
3097	WREG32(CP_RB_RPTR_WR, 0);
3098	ring->wptr = 0;
3099	WREG32(CP_RB_WPTR, ring->wptr);
3100
3101	/* set the wb address whether it's enabled or not */
3102	WREG32(CP_RB_RPTR_ADDR,
3103	       ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
3104	WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
3105	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
3106
3107	if (rdev->wb.enabled)
3108		WREG32(SCRATCH_UMSK, 0xff);
3109	else {
3110		tmp |= RB_NO_UPDATE;
3111		WREG32(SCRATCH_UMSK, 0);
3112	}
3113
3114	mdelay(1);
3115	WREG32(CP_RB_CNTL, tmp);
3116
3117	WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
3118	WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
3119
3120	evergreen_cp_start(rdev);
3121	ring->ready = true;
3122	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
3123	if (r) {
3124		ring->ready = false;
3125		return r;
3126	}
3127	return 0;
3128}
3129
3130/*
3131 * Core functions
3132 */
3133static void evergreen_gpu_init(struct radeon_device *rdev)
3134{
3135	u32 gb_addr_config;
3136	u32 mc_shared_chmap, mc_arb_ramcfg;
3137	u32 sx_debug_1;
3138	u32 smx_dc_ctl0;
3139	u32 sq_config;
3140	u32 sq_lds_resource_mgmt;
3141	u32 sq_gpr_resource_mgmt_1;
3142	u32 sq_gpr_resource_mgmt_2;
3143	u32 sq_gpr_resource_mgmt_3;
3144	u32 sq_thread_resource_mgmt;
3145	u32 sq_thread_resource_mgmt_2;
3146	u32 sq_stack_resource_mgmt_1;
3147	u32 sq_stack_resource_mgmt_2;
3148	u32 sq_stack_resource_mgmt_3;
3149	u32 vgt_cache_invalidation;
3150	u32 hdp_host_path_cntl, tmp;
3151	u32 disabled_rb_mask;
3152	int i, j, ps_thread_count;
3153
3154	switch (rdev->family) {
3155	case CHIP_CYPRESS:
3156	case CHIP_HEMLOCK:
3157		rdev->config.evergreen.num_ses = 2;
3158		rdev->config.evergreen.max_pipes = 4;
3159		rdev->config.evergreen.max_tile_pipes = 8;
3160		rdev->config.evergreen.max_simds = 10;
3161		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
3162		rdev->config.evergreen.max_gprs = 256;
3163		rdev->config.evergreen.max_threads = 248;
3164		rdev->config.evergreen.max_gs_threads = 32;
3165		rdev->config.evergreen.max_stack_entries = 512;
3166		rdev->config.evergreen.sx_num_of_sets = 4;
3167		rdev->config.evergreen.sx_max_export_size = 256;
3168		rdev->config.evergreen.sx_max_export_pos_size = 64;
3169		rdev->config.evergreen.sx_max_export_smx_size = 192;
3170		rdev->config.evergreen.max_hw_contexts = 8;
3171		rdev->config.evergreen.sq_num_cf_insts = 2;
3172
3173		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3174		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3175		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3176		gb_addr_config = CYPRESS_GB_ADDR_CONFIG_GOLDEN;
3177		break;
3178	case CHIP_JUNIPER:
3179		rdev->config.evergreen.num_ses = 1;
3180		rdev->config.evergreen.max_pipes = 4;
3181		rdev->config.evergreen.max_tile_pipes = 4;
3182		rdev->config.evergreen.max_simds = 10;
3183		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
3184		rdev->config.evergreen.max_gprs = 256;
3185		rdev->config.evergreen.max_threads = 248;
3186		rdev->config.evergreen.max_gs_threads = 32;
3187		rdev->config.evergreen.max_stack_entries = 512;
3188		rdev->config.evergreen.sx_num_of_sets = 4;
3189		rdev->config.evergreen.sx_max_export_size = 256;
3190		rdev->config.evergreen.sx_max_export_pos_size = 64;
3191		rdev->config.evergreen.sx_max_export_smx_size = 192;
3192		rdev->config.evergreen.max_hw_contexts = 8;
3193		rdev->config.evergreen.sq_num_cf_insts = 2;
3194
3195		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3196		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3197		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3198		gb_addr_config = JUNIPER_GB_ADDR_CONFIG_GOLDEN;
3199		break;
3200	case CHIP_REDWOOD:
3201		rdev->config.evergreen.num_ses = 1;
3202		rdev->config.evergreen.max_pipes = 4;
3203		rdev->config.evergreen.max_tile_pipes = 4;
3204		rdev->config.evergreen.max_simds = 5;
3205		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
3206		rdev->config.evergreen.max_gprs = 256;
3207		rdev->config.evergreen.max_threads = 248;
3208		rdev->config.evergreen.max_gs_threads = 32;
3209		rdev->config.evergreen.max_stack_entries = 256;
3210		rdev->config.evergreen.sx_num_of_sets = 4;
3211		rdev->config.evergreen.sx_max_export_size = 256;
3212		rdev->config.evergreen.sx_max_export_pos_size = 64;
3213		rdev->config.evergreen.sx_max_export_smx_size = 192;
3214		rdev->config.evergreen.max_hw_contexts = 8;
3215		rdev->config.evergreen.sq_num_cf_insts = 2;
3216
3217		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3218		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3219		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3220		gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
3221		break;
3222	case CHIP_CEDAR:
3223	default:
3224		rdev->config.evergreen.num_ses = 1;
3225		rdev->config.evergreen.max_pipes = 2;
3226		rdev->config.evergreen.max_tile_pipes = 2;
3227		rdev->config.evergreen.max_simds = 2;
3228		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3229		rdev->config.evergreen.max_gprs = 256;
3230		rdev->config.evergreen.max_threads = 192;
3231		rdev->config.evergreen.max_gs_threads = 16;
3232		rdev->config.evergreen.max_stack_entries = 256;
3233		rdev->config.evergreen.sx_num_of_sets = 4;
3234		rdev->config.evergreen.sx_max_export_size = 128;
3235		rdev->config.evergreen.sx_max_export_pos_size = 32;
3236		rdev->config.evergreen.sx_max_export_smx_size = 96;
3237		rdev->config.evergreen.max_hw_contexts = 4;
3238		rdev->config.evergreen.sq_num_cf_insts = 1;
3239
3240		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3241		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3242		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3243		gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN;
3244		break;
3245	case CHIP_PALM:
3246		rdev->config.evergreen.num_ses = 1;
3247		rdev->config.evergreen.max_pipes = 2;
3248		rdev->config.evergreen.max_tile_pipes = 2;
3249		rdev->config.evergreen.max_simds = 2;
3250		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3251		rdev->config.evergreen.max_gprs = 256;
3252		rdev->config.evergreen.max_threads = 192;
3253		rdev->config.evergreen.max_gs_threads = 16;
3254		rdev->config.evergreen.max_stack_entries = 256;
3255		rdev->config.evergreen.sx_num_of_sets = 4;
3256		rdev->config.evergreen.sx_max_export_size = 128;
3257		rdev->config.evergreen.sx_max_export_pos_size = 32;
3258		rdev->config.evergreen.sx_max_export_smx_size = 96;
3259		rdev->config.evergreen.max_hw_contexts = 4;
3260		rdev->config.evergreen.sq_num_cf_insts = 1;
3261
3262		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3263		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3264		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3265		gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN;
3266		break;
3267	case CHIP_SUMO:
3268		rdev->config.evergreen.num_ses = 1;
3269		rdev->config.evergreen.max_pipes = 4;
3270		rdev->config.evergreen.max_tile_pipes = 4;
3271		if (rdev->pdev->device == 0x9648)
3272			rdev->config.evergreen.max_simds = 3;
3273		else if ((rdev->pdev->device == 0x9647) ||
3274			 (rdev->pdev->device == 0x964a))
3275			rdev->config.evergreen.max_simds = 4;
3276		else
3277			rdev->config.evergreen.max_simds = 5;
3278		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
3279		rdev->config.evergreen.max_gprs = 256;
3280		rdev->config.evergreen.max_threads = 248;
3281		rdev->config.evergreen.max_gs_threads = 32;
3282		rdev->config.evergreen.max_stack_entries = 256;
3283		rdev->config.evergreen.sx_num_of_sets = 4;
3284		rdev->config.evergreen.sx_max_export_size = 256;
3285		rdev->config.evergreen.sx_max_export_pos_size = 64;
3286		rdev->config.evergreen.sx_max_export_smx_size = 192;
3287		rdev->config.evergreen.max_hw_contexts = 8;
3288		rdev->config.evergreen.sq_num_cf_insts = 2;
3289
3290		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3291		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3292		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3293		gb_addr_config = SUMO_GB_ADDR_CONFIG_GOLDEN;
3294		break;
3295	case CHIP_SUMO2:
3296		rdev->config.evergreen.num_ses = 1;
3297		rdev->config.evergreen.max_pipes = 4;
3298		rdev->config.evergreen.max_tile_pipes = 4;
3299		rdev->config.evergreen.max_simds = 2;
3300		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3301		rdev->config.evergreen.max_gprs = 256;
3302		rdev->config.evergreen.max_threads = 248;
3303		rdev->config.evergreen.max_gs_threads = 32;
3304		rdev->config.evergreen.max_stack_entries = 512;
3305		rdev->config.evergreen.sx_num_of_sets = 4;
3306		rdev->config.evergreen.sx_max_export_size = 256;
3307		rdev->config.evergreen.sx_max_export_pos_size = 64;
3308		rdev->config.evergreen.sx_max_export_smx_size = 192;
3309		rdev->config.evergreen.max_hw_contexts = 4;
3310		rdev->config.evergreen.sq_num_cf_insts = 2;
3311
3312		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3313		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3314		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3315		gb_addr_config = SUMO2_GB_ADDR_CONFIG_GOLDEN;
3316		break;
3317	case CHIP_BARTS:
3318		rdev->config.evergreen.num_ses = 2;
3319		rdev->config.evergreen.max_pipes = 4;
3320		rdev->config.evergreen.max_tile_pipes = 8;
3321		rdev->config.evergreen.max_simds = 7;
3322		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
3323		rdev->config.evergreen.max_gprs = 256;
3324		rdev->config.evergreen.max_threads = 248;
3325		rdev->config.evergreen.max_gs_threads = 32;
3326		rdev->config.evergreen.max_stack_entries = 512;
3327		rdev->config.evergreen.sx_num_of_sets = 4;
3328		rdev->config.evergreen.sx_max_export_size = 256;
3329		rdev->config.evergreen.sx_max_export_pos_size = 64;
3330		rdev->config.evergreen.sx_max_export_smx_size = 192;
3331		rdev->config.evergreen.max_hw_contexts = 8;
3332		rdev->config.evergreen.sq_num_cf_insts = 2;
3333
3334		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3335		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3336		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3337		gb_addr_config = BARTS_GB_ADDR_CONFIG_GOLDEN;
3338		break;
3339	case CHIP_TURKS:
3340		rdev->config.evergreen.num_ses = 1;
3341		rdev->config.evergreen.max_pipes = 4;
3342		rdev->config.evergreen.max_tile_pipes = 4;
3343		rdev->config.evergreen.max_simds = 6;
3344		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
3345		rdev->config.evergreen.max_gprs = 256;
3346		rdev->config.evergreen.max_threads = 248;
3347		rdev->config.evergreen.max_gs_threads = 32;
3348		rdev->config.evergreen.max_stack_entries = 256;
3349		rdev->config.evergreen.sx_num_of_sets = 4;
3350		rdev->config.evergreen.sx_max_export_size = 256;
3351		rdev->config.evergreen.sx_max_export_pos_size = 64;
3352		rdev->config.evergreen.sx_max_export_smx_size = 192;
3353		rdev->config.evergreen.max_hw_contexts = 8;
3354		rdev->config.evergreen.sq_num_cf_insts = 2;
3355
3356		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3357		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3358		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3359		gb_addr_config = TURKS_GB_ADDR_CONFIG_GOLDEN;
3360		break;
3361	case CHIP_CAICOS:
3362		rdev->config.evergreen.num_ses = 1;
3363		rdev->config.evergreen.max_pipes = 2;
3364		rdev->config.evergreen.max_tile_pipes = 2;
3365		rdev->config.evergreen.max_simds = 2;
3366		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3367		rdev->config.evergreen.max_gprs = 256;
3368		rdev->config.evergreen.max_threads = 192;
3369		rdev->config.evergreen.max_gs_threads = 16;
3370		rdev->config.evergreen.max_stack_entries = 256;
3371		rdev->config.evergreen.sx_num_of_sets = 4;
3372		rdev->config.evergreen.sx_max_export_size = 128;
3373		rdev->config.evergreen.sx_max_export_pos_size = 32;
3374		rdev->config.evergreen.sx_max_export_smx_size = 96;
3375		rdev->config.evergreen.max_hw_contexts = 4;
3376		rdev->config.evergreen.sq_num_cf_insts = 1;
3377
3378		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3379		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3380		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3381		gb_addr_config = CAICOS_GB_ADDR_CONFIG_GOLDEN;
3382		break;
3383	}
3384
3385	/* Initialize HDP */
3386	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
3387		WREG32((0x2c14 + j), 0x00000000);
3388		WREG32((0x2c18 + j), 0x00000000);
3389		WREG32((0x2c1c + j), 0x00000000);
3390		WREG32((0x2c20 + j), 0x00000000);
3391		WREG32((0x2c24 + j), 0x00000000);
3392	}
3393
3394	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
3395	WREG32(SRBM_INT_CNTL, 0x1);
3396	WREG32(SRBM_INT_ACK, 0x1);
3397
3398	evergreen_fix_pci_max_read_req_size(rdev);
3399
3400	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
3401	if ((rdev->family == CHIP_PALM) ||
3402	    (rdev->family == CHIP_SUMO) ||
3403	    (rdev->family == CHIP_SUMO2))
3404		mc_arb_ramcfg = RREG32(FUS_MC_ARB_RAMCFG);
3405	else
3406		mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
3407
3408	/* setup tiling info dword.  gb_addr_config is not adequate since it does
3409	 * not have bank info, so create a custom tiling dword.
3410	 * bits 3:0   num_pipes
3411	 * bits 7:4   num_banks
3412	 * bits 11:8  group_size
3413	 * bits 15:12 row_size
3414	 */
3415	rdev->config.evergreen.tile_config = 0;
3416	switch (rdev->config.evergreen.max_tile_pipes) {
3417	case 1:
3418	default:
3419		rdev->config.evergreen.tile_config |= (0 << 0);
3420		break;
3421	case 2:
3422		rdev->config.evergreen.tile_config |= (1 << 0);
3423		break;
3424	case 4:
3425		rdev->config.evergreen.tile_config |= (2 << 0);
3426		break;
3427	case 8:
3428		rdev->config.evergreen.tile_config |= (3 << 0);
3429		break;
3430	}
3431	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
3432	if (rdev->flags & RADEON_IS_IGP)
3433		rdev->config.evergreen.tile_config |= 1 << 4;
3434	else {
3435		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
3436		case 0: /* four banks */
3437			rdev->config.evergreen.tile_config |= 0 << 4;
3438			break;
3439		case 1: /* eight banks */
3440			rdev->config.evergreen.tile_config |= 1 << 4;
3441			break;
3442		case 2: /* sixteen banks */
3443		default:
3444			rdev->config.evergreen.tile_config |= 2 << 4;
3445			break;
3446		}
3447	}
3448	rdev->config.evergreen.tile_config |= 0 << 8;
3449	rdev->config.evergreen.tile_config |=
3450		((gb_addr_config & 0x30000000) >> 28) << 12;
3451
3452	if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK)) {
3453		u32 efuse_straps_4;
3454		u32 efuse_straps_3;
3455
3456		efuse_straps_4 = RREG32_RCU(0x204);
3457		efuse_straps_3 = RREG32_RCU(0x203);
3458		tmp = (((efuse_straps_4 & 0xf) << 4) |
3459		      ((efuse_straps_3 & 0xf0000000) >> 28));
3460	} else {
3461		tmp = 0;
3462		for (i = (rdev->config.evergreen.num_ses - 1); i >= 0; i--) {
3463			u32 rb_disable_bitmap;
3464
3465			WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3466			WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3467			rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
3468			tmp <<= 4;
3469			tmp |= rb_disable_bitmap;
3470		}
3471	}
3472	/* enabled rb are just the one not disabled :) */
3473	disabled_rb_mask = tmp;
3474	tmp = 0;
3475	for (i = 0; i < rdev->config.evergreen.max_backends; i++)
3476		tmp |= (1 << i);
3477	/* if all the backends are disabled, fix it up here */
3478	if ((disabled_rb_mask & tmp) == tmp) {
3479		for (i = 0; i < rdev->config.evergreen.max_backends; i++)
3480			disabled_rb_mask &= ~(1 << i);
3481	}
3482
3483	for (i = 0; i < rdev->config.evergreen.num_ses; i++) {
3484		u32 simd_disable_bitmap;
3485
3486		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3487		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3488		simd_disable_bitmap = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
3489		simd_disable_bitmap |= 0xffffffff << rdev->config.evergreen.max_simds;
3490		tmp <<= 16;
3491		tmp |= simd_disable_bitmap;
3492	}
3493	rdev->config.evergreen.active_simds = hweight32(~tmp);
3494
3495	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
3496	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
3497
3498	WREG32(GB_ADDR_CONFIG, gb_addr_config);
3499	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
3500	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
3501	WREG32(DMA_TILING_CONFIG, gb_addr_config);
3502	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
3503	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
3504	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
3505
3506	if ((rdev->config.evergreen.max_backends == 1) &&
3507	    (rdev->flags & RADEON_IS_IGP)) {
3508		if ((disabled_rb_mask & 3) == 1) {
3509			/* RB0 disabled, RB1 enabled */
3510			tmp = 0x11111111;
3511		} else {
3512			/* RB1 disabled, RB0 enabled */
3513			tmp = 0x00000000;
3514		}
3515	} else {
3516		tmp = gb_addr_config & NUM_PIPES_MASK;
3517		tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends,
3518						EVERGREEN_MAX_BACKENDS, disabled_rb_mask);
3519	}
3520	rdev->config.evergreen.backend_map = tmp;
3521	WREG32(GB_BACKEND_MAP, tmp);
3522
3523	WREG32(CGTS_SYS_TCC_DISABLE, 0);
3524	WREG32(CGTS_TCC_DISABLE, 0);
3525	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
3526	WREG32(CGTS_USER_TCC_DISABLE, 0);
3527
3528	/* set HW defaults for 3D engine */
3529	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
3530				     ROQ_IB2_START(0x2b)));
3531
3532	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
3533
3534	WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
3535			     SYNC_GRADIENT |
3536			     SYNC_WALKER |
3537			     SYNC_ALIGNER));
3538
3539	sx_debug_1 = RREG32(SX_DEBUG_1);
3540	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
3541	WREG32(SX_DEBUG_1, sx_debug_1);
3542
3543
3544	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
3545	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
3546	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
3547	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
3548
3549	if (rdev->family <= CHIP_SUMO2)
3550		WREG32(SMX_SAR_CTL0, 0x00010000);
3551
3552	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
3553					POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
3554					SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
3555
3556	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
3557				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
3558				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));
3559
3560	WREG32(VGT_NUM_INSTANCES, 1);
3561	WREG32(SPI_CONFIG_CNTL, 0);
3562	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
3563	WREG32(CP_PERFMON_CNTL, 0);
3564
3565	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
3566				  FETCH_FIFO_HIWATER(0x4) |
3567				  DONE_FIFO_HIWATER(0xe0) |
3568				  ALU_UPDATE_FIFO_HIWATER(0x8)));
3569
3570	sq_config = RREG32(SQ_CONFIG);
3571	sq_config &= ~(PS_PRIO(3) |
3572		       VS_PRIO(3) |
3573		       GS_PRIO(3) |
3574		       ES_PRIO(3));
3575	sq_config |= (VC_ENABLE |
3576		      EXPORT_SRC_C |
3577		      PS_PRIO(0) |
3578		      VS_PRIO(1) |
3579		      GS_PRIO(2) |
3580		      ES_PRIO(3));
3581
3582	switch (rdev->family) {
3583	case CHIP_CEDAR:
3584	case CHIP_PALM:
3585	case CHIP_SUMO:
3586	case CHIP_SUMO2:
3587	case CHIP_CAICOS:
3588		/* no vertex cache */
3589		sq_config &= ~VC_ENABLE;
3590		break;
3591	default:
3592		break;
3593	}
3594
3595	sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);
3596
3597	sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32);
3598	sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32);
3599	sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4);
3600	sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
3601	sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
3602	sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
3603	sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
3604
3605	switch (rdev->family) {
3606	case CHIP_CEDAR:
3607	case CHIP_PALM:
3608	case CHIP_SUMO:
3609	case CHIP_SUMO2:
3610		ps_thread_count = 96;
3611		break;
3612	default:
3613		ps_thread_count = 128;
3614		break;
3615	}
3616
3617	sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
3618	sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3619	sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3620	sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3621	sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3622	sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3623
3624	sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3625	sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3626	sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3627	sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3628	sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3629	sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3630
3631	WREG32(SQ_CONFIG, sq_config);
3632	WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
3633	WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
3634	WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3);
3635	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
3636	WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2);
3637	WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
3638	WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
3639	WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3);
3640	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
3641	WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt);
3642
3643	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
3644					  FORCE_EOV_MAX_REZ_CNT(255)));
3645
3646	switch (rdev->family) {
3647	case CHIP_CEDAR:
3648	case CHIP_PALM:
3649	case CHIP_SUMO:
3650	case CHIP_SUMO2:
3651	case CHIP_CAICOS:
3652		vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
3653		break;
3654	default:
3655		vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
3656		break;
3657	}
3658	vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
3659	WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);
3660
3661	WREG32(VGT_GS_VERTEX_REUSE, 16);
3662	WREG32(PA_SU_LINE_STIPPLE_VALUE, 0);
3663	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
3664
3665	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14);
3666	WREG32(VGT_OUT_DEALLOC_CNTL, 16);
3667
3668	WREG32(CB_PERF_CTR0_SEL_0, 0);
3669	WREG32(CB_PERF_CTR0_SEL_1, 0);
3670	WREG32(CB_PERF_CTR1_SEL_0, 0);
3671	WREG32(CB_PERF_CTR1_SEL_1, 0);
3672	WREG32(CB_PERF_CTR2_SEL_0, 0);
3673	WREG32(CB_PERF_CTR2_SEL_1, 0);
3674	WREG32(CB_PERF_CTR3_SEL_0, 0);
3675	WREG32(CB_PERF_CTR3_SEL_1, 0);
3676
3677	/* clear render buffer base addresses */
3678	WREG32(CB_COLOR0_BASE, 0);
3679	WREG32(CB_COLOR1_BASE, 0);
3680	WREG32(CB_COLOR2_BASE, 0);
3681	WREG32(CB_COLOR3_BASE, 0);
3682	WREG32(CB_COLOR4_BASE, 0);
3683	WREG32(CB_COLOR5_BASE, 0);
3684	WREG32(CB_COLOR6_BASE, 0);
3685	WREG32(CB_COLOR7_BASE, 0);
3686	WREG32(CB_COLOR8_BASE, 0);
3687	WREG32(CB_COLOR9_BASE, 0);
3688	WREG32(CB_COLOR10_BASE, 0);
3689	WREG32(CB_COLOR11_BASE, 0);
3690
3691	/* set the shader const cache sizes to 0 */
3692	for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4)
3693		WREG32(i, 0);
3694	for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4)
3695		WREG32(i, 0);
3696
3697	tmp = RREG32(HDP_MISC_CNTL);
3698	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
3699	WREG32(HDP_MISC_CNTL, tmp);
3700
3701	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
3702	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
3703
3704	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
3705
3706	udelay(50);
3707
3708}
3709
3710int evergreen_mc_init(struct radeon_device *rdev)
3711{
3712	u32 tmp;
3713	int chansize, numchan;
3714
3715	/* Get VRAM informations */
3716	rdev->mc.vram_is_ddr = true;
3717	if ((rdev->family == CHIP_PALM) ||
3718	    (rdev->family == CHIP_SUMO) ||
3719	    (rdev->family == CHIP_SUMO2))
3720		tmp = RREG32(FUS_MC_ARB_RAMCFG);
3721	else
3722		tmp = RREG32(MC_ARB_RAMCFG);
3723	if (tmp & CHANSIZE_OVERRIDE) {
3724		chansize = 16;
3725	} else if (tmp & CHANSIZE_MASK) {
3726		chansize = 64;
3727	} else {
3728		chansize = 32;
3729	}
3730	tmp = RREG32(MC_SHARED_CHMAP);
3731	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
3732	case 0:
3733	default:
3734		numchan = 1;
3735		break;
3736	case 1:
3737		numchan = 2;
3738		break;
3739	case 2:
3740		numchan = 4;
3741		break;
3742	case 3:
3743		numchan = 8;
3744		break;
3745	}
3746	rdev->mc.vram_width = numchan * chansize;
3747	/* Could aper size report 0 ? */
3748	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
3749	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
3750	/* Setup GPU memory space */
3751	if ((rdev->family == CHIP_PALM) ||
3752	    (rdev->family == CHIP_SUMO) ||
3753	    (rdev->family == CHIP_SUMO2)) {
3754		/* size in bytes on fusion */
3755		rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
3756		rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
3757	} else {
3758		/* size in MB on evergreen/cayman/tn */
3759		rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL;
3760		rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL;
3761	}
3762	rdev->mc.visible_vram_size = rdev->mc.aper_size;
3763	r700_vram_gtt_location(rdev, &rdev->mc);
3764	radeon_update_bandwidth_info(rdev);
3765
3766	return 0;
3767}
3768
3769void evergreen_print_gpu_status_regs(struct radeon_device *rdev)
3770{
3771	dev_info(rdev->dev, "  GRBM_STATUS               = 0x%08X\n",
3772		RREG32(GRBM_STATUS));
3773	dev_info(rdev->dev, "  GRBM_STATUS_SE0           = 0x%08X\n",
3774		RREG32(GRBM_STATUS_SE0));
3775	dev_info(rdev->dev, "  GRBM_STATUS_SE1           = 0x%08X\n",
3776		RREG32(GRBM_STATUS_SE1));
3777	dev_info(rdev->dev, "  SRBM_STATUS               = 0x%08X\n",
3778		RREG32(SRBM_STATUS));
3779	dev_info(rdev->dev, "  SRBM_STATUS2              = 0x%08X\n",
3780		RREG32(SRBM_STATUS2));
3781	dev_info(rdev->dev, "  R_008674_CP_STALLED_STAT1 = 0x%08X\n",
3782		RREG32(CP_STALLED_STAT1));
3783	dev_info(rdev->dev, "  R_008678_CP_STALLED_STAT2 = 0x%08X\n",
3784		RREG32(CP_STALLED_STAT2));
3785	dev_info(rdev->dev, "  R_00867C_CP_BUSY_STAT     = 0x%08X\n",
3786		RREG32(CP_BUSY_STAT));
3787	dev_info(rdev->dev, "  R_008680_CP_STAT          = 0x%08X\n",
3788		RREG32(CP_STAT));
3789	dev_info(rdev->dev, "  R_00D034_DMA_STATUS_REG   = 0x%08X\n",
3790		RREG32(DMA_STATUS_REG));
3791	if (rdev->family >= CHIP_CAYMAN) {
3792		dev_info(rdev->dev, "  R_00D834_DMA_STATUS_REG   = 0x%08X\n",
3793			 RREG32(DMA_STATUS_REG + 0x800));
3794	}
3795}
3796
3797bool evergreen_is_display_hung(struct radeon_device *rdev)
3798{
3799	u32 crtc_hung = 0;
3800	u32 crtc_status[6];
3801	u32 i, j, tmp;
3802
3803	for (i = 0; i < rdev->num_crtc; i++) {
3804		if (RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN) {
3805			crtc_status[i] = RREG32(EVERGREEN_CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
3806			crtc_hung |= (1 << i);
3807		}
3808	}
3809
3810	for (j = 0; j < 10; j++) {
3811		for (i = 0; i < rdev->num_crtc; i++) {
3812			if (crtc_hung & (1 << i)) {
3813				tmp = RREG32(EVERGREEN_CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
3814				if (tmp != crtc_status[i])
3815					crtc_hung &= ~(1 << i);
3816			}
3817		}
3818		if (crtc_hung == 0)
3819			return false;
3820		udelay(100);
3821	}
3822
3823	return true;
3824}
3825
3826u32 evergreen_gpu_check_soft_reset(struct radeon_device *rdev)
3827{
3828	u32 reset_mask = 0;
3829	u32 tmp;
3830
3831	/* GRBM_STATUS */
3832	tmp = RREG32(GRBM_STATUS);
3833	if (tmp & (PA_BUSY | SC_BUSY |
3834		   SH_BUSY | SX_BUSY |
3835		   TA_BUSY | VGT_BUSY |
3836		   DB_BUSY | CB_BUSY |
3837		   SPI_BUSY | VGT_BUSY_NO_DMA))
3838		reset_mask |= RADEON_RESET_GFX;
3839
3840	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
3841		   CP_BUSY | CP_COHERENCY_BUSY))
3842		reset_mask |= RADEON_RESET_CP;
3843
3844	if (tmp & GRBM_EE_BUSY)
3845		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
3846
3847	/* DMA_STATUS_REG */
3848	tmp = RREG32(DMA_STATUS_REG);
3849	if (!(tmp & DMA_IDLE))
3850		reset_mask |= RADEON_RESET_DMA;
3851
3852	/* SRBM_STATUS2 */
3853	tmp = RREG32(SRBM_STATUS2);
3854	if (tmp & DMA_BUSY)
3855		reset_mask |= RADEON_RESET_DMA;
3856
3857	/* SRBM_STATUS */
3858	tmp = RREG32(SRBM_STATUS);
3859	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
3860		reset_mask |= RADEON_RESET_RLC;
3861
3862	if (tmp & IH_BUSY)
3863		reset_mask |= RADEON_RESET_IH;
3864
3865	if (tmp & SEM_BUSY)
3866		reset_mask |= RADEON_RESET_SEM;
3867
3868	if (tmp & GRBM_RQ_PENDING)
3869		reset_mask |= RADEON_RESET_GRBM;
3870
3871	if (tmp & VMC_BUSY)
3872		reset_mask |= RADEON_RESET_VMC;
3873
3874	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
3875		   MCC_BUSY | MCD_BUSY))
3876		reset_mask |= RADEON_RESET_MC;
3877
3878	if (evergreen_is_display_hung(rdev))
3879		reset_mask |= RADEON_RESET_DISPLAY;
3880
3881	/* VM_L2_STATUS */
3882	tmp = RREG32(VM_L2_STATUS);
3883	if (tmp & L2_BUSY)
3884		reset_mask |= RADEON_RESET_VMC;
3885
3886	/* Skip MC reset as it's mostly likely not hung, just busy */
3887	if (reset_mask & RADEON_RESET_MC) {
3888		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
3889		reset_mask &= ~RADEON_RESET_MC;
3890	}
3891
3892	return reset_mask;
3893}
3894
3895static void evergreen_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
3896{
3897	struct evergreen_mc_save save;
3898	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
3899	u32 tmp;
3900
3901	if (reset_mask == 0)
3902		return;
3903
3904	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
3905
3906	evergreen_print_gpu_status_regs(rdev);
3907
3908	/* Disable CP parsing/prefetching */
3909	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
3910
3911	if (reset_mask & RADEON_RESET_DMA) {
3912		/* Disable DMA */
3913		tmp = RREG32(DMA_RB_CNTL);
3914		tmp &= ~DMA_RB_ENABLE;
3915		WREG32(DMA_RB_CNTL, tmp);
3916	}
3917
3918	udelay(50);
3919
3920	evergreen_mc_stop(rdev, &save);
3921	if (evergreen_mc_wait_for_idle(rdev)) {
3922		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
3923	}
3924
3925	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
3926		grbm_soft_reset |= SOFT_RESET_DB |
3927			SOFT_RESET_CB |
3928			SOFT_RESET_PA |
3929			SOFT_RESET_SC |
3930			SOFT_RESET_SPI |
3931			SOFT_RESET_SX |
3932			SOFT_RESET_SH |
3933			SOFT_RESET_TC |
3934			SOFT_RESET_TA |
3935			SOFT_RESET_VC |
3936			SOFT_RESET_VGT;
3937	}
3938
3939	if (reset_mask & RADEON_RESET_CP) {
3940		grbm_soft_reset |= SOFT_RESET_CP |
3941			SOFT_RESET_VGT;
3942
3943		srbm_soft_reset |= SOFT_RESET_GRBM;
3944	}
3945
3946	if (reset_mask & RADEON_RESET_DMA)
3947		srbm_soft_reset |= SOFT_RESET_DMA;
3948
3949	if (reset_mask & RADEON_RESET_DISPLAY)
3950		srbm_soft_reset |= SOFT_RESET_DC;
3951
3952	if (reset_mask & RADEON_RESET_RLC)
3953		srbm_soft_reset |= SOFT_RESET_RLC;
3954
3955	if (reset_mask & RADEON_RESET_SEM)
3956		srbm_soft_reset |= SOFT_RESET_SEM;
3957
3958	if (reset_mask & RADEON_RESET_IH)
3959		srbm_soft_reset |= SOFT_RESET_IH;
3960
3961	if (reset_mask & RADEON_RESET_GRBM)
3962		srbm_soft_reset |= SOFT_RESET_GRBM;
3963
3964	if (reset_mask & RADEON_RESET_VMC)
3965		srbm_soft_reset |= SOFT_RESET_VMC;
3966
3967	if (!(rdev->flags & RADEON_IS_IGP)) {
3968		if (reset_mask & RADEON_RESET_MC)
3969			srbm_soft_reset |= SOFT_RESET_MC;
3970	}
3971
3972	if (grbm_soft_reset) {
3973		tmp = RREG32(GRBM_SOFT_RESET);
3974		tmp |= grbm_soft_reset;
3975		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
3976		WREG32(GRBM_SOFT_RESET, tmp);
3977		tmp = RREG32(GRBM_SOFT_RESET);
3978
3979		udelay(50);
3980
3981		tmp &= ~grbm_soft_reset;
3982		WREG32(GRBM_SOFT_RESET, tmp);
3983		tmp = RREG32(GRBM_SOFT_RESET);
3984	}
3985
3986	if (srbm_soft_reset) {
3987		tmp = RREG32(SRBM_SOFT_RESET);
3988		tmp |= srbm_soft_reset;
3989		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3990		WREG32(SRBM_SOFT_RESET, tmp);
3991		tmp = RREG32(SRBM_SOFT_RESET);
3992
3993		udelay(50);
3994
3995		tmp &= ~srbm_soft_reset;
3996		WREG32(SRBM_SOFT_RESET, tmp);
3997		tmp = RREG32(SRBM_SOFT_RESET);
3998	}
3999
4000	/* Wait a little for things to settle down */
4001	udelay(50);
4002
4003	evergreen_mc_resume(rdev, &save);
4004	udelay(50);
4005
4006	evergreen_print_gpu_status_regs(rdev);
4007}
4008
4009void evergreen_gpu_pci_config_reset(struct radeon_device *rdev)
4010{
4011	struct evergreen_mc_save save;
4012	u32 tmp, i;
4013
4014	dev_info(rdev->dev, "GPU pci config reset\n");
4015
4016	/* disable dpm? */
4017
4018	/* Disable CP parsing/prefetching */
4019	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
4020	udelay(50);
4021	/* Disable DMA */
4022	tmp = RREG32(DMA_RB_CNTL);
4023	tmp &= ~DMA_RB_ENABLE;
4024	WREG32(DMA_RB_CNTL, tmp);
4025	/* XXX other engines? */
4026
4027	/* halt the rlc */
4028	r600_rlc_stop(rdev);
4029
4030	udelay(50);
4031
4032	/* set mclk/sclk to bypass */
4033	rv770_set_clk_bypass_mode(rdev);
4034	/* disable BM */
4035	pci_clear_master(rdev->pdev);
4036	/* disable mem access */
4037	evergreen_mc_stop(rdev, &save);
4038	if (evergreen_mc_wait_for_idle(rdev)) {
4039		dev_warn(rdev->dev, "Wait for MC idle timed out !\n");
4040	}
4041	/* reset */
4042	radeon_pci_config_reset(rdev);
4043	/* wait for asic to come out of reset */
4044	for (i = 0; i < rdev->usec_timeout; i++) {
4045		if (RREG32(CONFIG_MEMSIZE) != 0xffffffff)
4046			break;
4047		udelay(1);
4048	}
4049}
4050
4051int evergreen_asic_reset(struct radeon_device *rdev, bool hard)
4052{
4053	u32 reset_mask;
4054
4055	if (hard) {
4056		evergreen_gpu_pci_config_reset(rdev);
4057		return 0;
4058	}
4059
4060	reset_mask = evergreen_gpu_check_soft_reset(rdev);
4061
4062	if (reset_mask)
4063		r600_set_bios_scratch_engine_hung(rdev, true);
4064
4065	/* try soft reset */
4066	evergreen_gpu_soft_reset(rdev, reset_mask);
4067
4068	reset_mask = evergreen_gpu_check_soft_reset(rdev);
4069
4070	/* try pci config reset */
4071	if (reset_mask && radeon_hard_reset)
4072		evergreen_gpu_pci_config_reset(rdev);
4073
4074	reset_mask = evergreen_gpu_check_soft_reset(rdev);
4075
4076	if (!reset_mask)
4077		r600_set_bios_scratch_engine_hung(rdev, false);
4078
4079	return 0;
4080}
4081
4082/**
4083 * evergreen_gfx_is_lockup - Check if the GFX engine is locked up
4084 *
4085 * @rdev: radeon_device pointer
4086 * @ring: radeon_ring structure holding ring information
4087 *
4088 * Check if the GFX engine is locked up.
4089 * Returns true if the engine appears to be locked up, false if not.
4090 */
4091bool evergreen_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
4092{
4093	u32 reset_mask = evergreen_gpu_check_soft_reset(rdev);
4094
4095	if (!(reset_mask & (RADEON_RESET_GFX |
4096			    RADEON_RESET_COMPUTE |
4097			    RADEON_RESET_CP))) {
4098		radeon_ring_lockup_update(rdev, ring);
4099		return false;
4100	}
4101	return radeon_ring_test_lockup(rdev, ring);
4102}
4103
4104/*
4105 * RLC
4106 */
4107#define RLC_SAVE_RESTORE_LIST_END_MARKER    0x00000000
4108#define RLC_CLEAR_STATE_END_MARKER          0x00000001
4109
4110void sumo_rlc_fini(struct radeon_device *rdev)
4111{
4112	int r;
4113
4114	/* save restore block */
4115	if (rdev->rlc.save_restore_obj) {
4116		r = radeon_bo_reserve(rdev->rlc.save_restore_obj, false);
4117		if (unlikely(r != 0))
4118			dev_warn(rdev->dev, "(%d) reserve RLC sr bo failed\n", r);
4119		radeon_bo_unpin(rdev->rlc.save_restore_obj);
4120		radeon_bo_unreserve(rdev->rlc.save_restore_obj);
4121
4122		radeon_bo_unref(&rdev->rlc.save_restore_obj);
4123		rdev->rlc.save_restore_obj = NULL;
4124	}
4125
4126	/* clear state block */
4127	if (rdev->rlc.clear_state_obj) {
4128		r = radeon_bo_reserve(rdev->rlc.clear_state_obj, false);
4129		if (unlikely(r != 0))
4130			dev_warn(rdev->dev, "(%d) reserve RLC c bo failed\n", r);
4131		radeon_bo_unpin(rdev->rlc.clear_state_obj);
4132		radeon_bo_unreserve(rdev->rlc.clear_state_obj);
4133
4134		radeon_bo_unref(&rdev->rlc.clear_state_obj);
4135		rdev->rlc.clear_state_obj = NULL;
4136	}
4137
4138	/* clear state block */
4139	if (rdev->rlc.cp_table_obj) {
4140		r = radeon_bo_reserve(rdev->rlc.cp_table_obj, false);
4141		if (unlikely(r != 0))
4142			dev_warn(rdev->dev, "(%d) reserve RLC cp table bo failed\n", r);
4143		radeon_bo_unpin(rdev->rlc.cp_table_obj);
4144		radeon_bo_unreserve(rdev->rlc.cp_table_obj);
4145
4146		radeon_bo_unref(&rdev->rlc.cp_table_obj);
4147		rdev->rlc.cp_table_obj = NULL;
4148	}
4149}
4150
4151#define CP_ME_TABLE_SIZE    96
4152
4153int sumo_rlc_init(struct radeon_device *rdev)
4154{
4155	const u32 *src_ptr;
4156	volatile u32 *dst_ptr;
4157	u32 dws, data, i, j, k, reg_num;
4158	u32 reg_list_num, reg_list_hdr_blk_index, reg_list_blk_index = 0;
4159	u64 reg_list_mc_addr;
4160	const struct cs_section_def *cs_data;
4161	int r;
4162
4163	src_ptr = rdev->rlc.reg_list;
4164	dws = rdev->rlc.reg_list_size;
4165	if (rdev->family >= CHIP_BONAIRE) {
4166		dws += (5 * 16) + 48 + 48 + 64;
4167	}
4168	cs_data = rdev->rlc.cs_data;
4169
4170	if (src_ptr) {
4171		/* save restore block */
4172		if (rdev->rlc.save_restore_obj == NULL) {
4173			r = radeon_bo_create(rdev, dws * 4, PAGE_SIZE, true,
4174					     RADEON_GEM_DOMAIN_VRAM, 0, NULL,
4175					     NULL, &rdev->rlc.save_restore_obj);
4176			if (r) {
4177				dev_warn(rdev->dev, "(%d) create RLC sr bo failed\n", r);
4178				return r;
4179			}
4180		}
4181
4182		r = radeon_bo_reserve(rdev->rlc.save_restore_obj, false);
4183		if (unlikely(r != 0)) {
4184			sumo_rlc_fini(rdev);
4185			return r;
4186		}
4187		r = radeon_bo_pin(rdev->rlc.save_restore_obj, RADEON_GEM_DOMAIN_VRAM,
4188				  &rdev->rlc.save_restore_gpu_addr);
4189		if (r) {
4190			radeon_bo_unreserve(rdev->rlc.save_restore_obj);
4191			dev_warn(rdev->dev, "(%d) pin RLC sr bo failed\n", r);
4192			sumo_rlc_fini(rdev);
4193			return r;
4194		}
4195
4196		r = radeon_bo_kmap(rdev->rlc.save_restore_obj, (void **)&rdev->rlc.sr_ptr);
4197		if (r) {
4198			dev_warn(rdev->dev, "(%d) map RLC sr bo failed\n", r);
4199			sumo_rlc_fini(rdev);
4200			return r;
4201		}
4202		/* write the sr buffer */
4203		dst_ptr = rdev->rlc.sr_ptr;
4204		if (rdev->family >= CHIP_TAHITI) {
4205			/* SI */
4206			for (i = 0; i < rdev->rlc.reg_list_size; i++)
4207				dst_ptr[i] = cpu_to_le32(src_ptr[i]);
4208		} else {
4209			/* ON/LN/TN */
4210			/* format:
4211			 * dw0: (reg2 << 16) | reg1
4212			 * dw1: reg1 save space
4213			 * dw2: reg2 save space
4214			 */
4215			for (i = 0; i < dws; i++) {
4216				data = src_ptr[i] >> 2;
4217				i++;
4218				if (i < dws)
4219					data |= (src_ptr[i] >> 2) << 16;
4220				j = (((i - 1) * 3) / 2);
4221				dst_ptr[j] = cpu_to_le32(data);
4222			}
4223			j = ((i * 3) / 2);
4224			dst_ptr[j] = cpu_to_le32(RLC_SAVE_RESTORE_LIST_END_MARKER);
4225		}
4226		radeon_bo_kunmap(rdev->rlc.save_restore_obj);
4227		radeon_bo_unreserve(rdev->rlc.save_restore_obj);
4228	}
4229
4230	if (cs_data) {
4231		/* clear state block */
4232		if (rdev->family >= CHIP_BONAIRE) {
4233			rdev->rlc.clear_state_size = dws = cik_get_csb_size(rdev);
4234		} else if (rdev->family >= CHIP_TAHITI) {
4235			rdev->rlc.clear_state_size = si_get_csb_size(rdev);
4236			dws = rdev->rlc.clear_state_size + (256 / 4);
4237		} else {
4238			reg_list_num = 0;
4239			dws = 0;
4240			for (i = 0; cs_data[i].section != NULL; i++) {
4241				for (j = 0; cs_data[i].section[j].extent != NULL; j++) {
4242					reg_list_num++;
4243					dws += cs_data[i].section[j].reg_count;
4244				}
4245			}
4246			reg_list_blk_index = (3 * reg_list_num + 2);
4247			dws += reg_list_blk_index;
4248			rdev->rlc.clear_state_size = dws;
4249		}
4250
4251		if (rdev->rlc.clear_state_obj == NULL) {
4252			r = radeon_bo_create(rdev, dws * 4, PAGE_SIZE, true,
4253					     RADEON_GEM_DOMAIN_VRAM, 0, NULL,
4254					     NULL, &rdev->rlc.clear_state_obj);
4255			if (r) {
4256				dev_warn(rdev->dev, "(%d) create RLC c bo failed\n", r);
4257				sumo_rlc_fini(rdev);
4258				return r;
4259			}
4260		}
4261		r = radeon_bo_reserve(rdev->rlc.clear_state_obj, false);
4262		if (unlikely(r != 0)) {
4263			sumo_rlc_fini(rdev);
4264			return r;
4265		}
4266		r = radeon_bo_pin(rdev->rlc.clear_state_obj, RADEON_GEM_DOMAIN_VRAM,
4267				  &rdev->rlc.clear_state_gpu_addr);
4268		if (r) {
4269			radeon_bo_unreserve(rdev->rlc.clear_state_obj);
4270			dev_warn(rdev->dev, "(%d) pin RLC c bo failed\n", r);
4271			sumo_rlc_fini(rdev);
4272			return r;
4273		}
4274
4275		r = radeon_bo_kmap(rdev->rlc.clear_state_obj, (void **)&rdev->rlc.cs_ptr);
4276		if (r) {
4277			dev_warn(rdev->dev, "(%d) map RLC c bo failed\n", r);
4278			sumo_rlc_fini(rdev);
4279			return r;
4280		}
4281		/* set up the cs buffer */
4282		dst_ptr = rdev->rlc.cs_ptr;
4283		if (rdev->family >= CHIP_BONAIRE) {
4284			cik_get_csb_buffer(rdev, dst_ptr);
4285		} else if (rdev->family >= CHIP_TAHITI) {
4286			reg_list_mc_addr = rdev->rlc.clear_state_gpu_addr + 256;
4287			dst_ptr[0] = cpu_to_le32(upper_32_bits(reg_list_mc_addr));
4288			dst_ptr[1] = cpu_to_le32(lower_32_bits(reg_list_mc_addr));
4289			dst_ptr[2] = cpu_to_le32(rdev->rlc.clear_state_size);
4290			si_get_csb_buffer(rdev, &dst_ptr[(256/4)]);
4291		} else {
4292			reg_list_hdr_blk_index = 0;
4293			reg_list_mc_addr = rdev->rlc.clear_state_gpu_addr + (reg_list_blk_index * 4);
4294			data = upper_32_bits(reg_list_mc_addr);
4295			dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4296			reg_list_hdr_blk_index++;
4297			for (i = 0; cs_data[i].section != NULL; i++) {
4298				for (j = 0; cs_data[i].section[j].extent != NULL; j++) {
4299					reg_num = cs_data[i].section[j].reg_count;
4300					data = reg_list_mc_addr & 0xffffffff;
4301					dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4302					reg_list_hdr_blk_index++;
4303
4304					data = (cs_data[i].section[j].reg_index * 4) & 0xffffffff;
4305					dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4306					reg_list_hdr_blk_index++;
4307
4308					data = 0x08000000 | (reg_num * 4);
4309					dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4310					reg_list_hdr_blk_index++;
4311
4312					for (k = 0; k < reg_num; k++) {
4313						data = cs_data[i].section[j].extent[k];
4314						dst_ptr[reg_list_blk_index + k] = cpu_to_le32(data);
4315					}
4316					reg_list_mc_addr += reg_num * 4;
4317					reg_list_blk_index += reg_num;
4318				}
4319			}
4320			dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(RLC_CLEAR_STATE_END_MARKER);
4321		}
4322		radeon_bo_kunmap(rdev->rlc.clear_state_obj);
4323		radeon_bo_unreserve(rdev->rlc.clear_state_obj);
4324	}
4325
4326	if (rdev->rlc.cp_table_size) {
4327		if (rdev->rlc.cp_table_obj == NULL) {
4328			r = radeon_bo_create(rdev, rdev->rlc.cp_table_size,
4329					     PAGE_SIZE, true,
4330					     RADEON_GEM_DOMAIN_VRAM, 0, NULL,
4331					     NULL, &rdev->rlc.cp_table_obj);
4332			if (r) {
4333				dev_warn(rdev->dev, "(%d) create RLC cp table bo failed\n", r);
4334				sumo_rlc_fini(rdev);
4335				return r;
4336			}
4337		}
4338
4339		r = radeon_bo_reserve(rdev->rlc.cp_table_obj, false);
4340		if (unlikely(r != 0)) {
4341			dev_warn(rdev->dev, "(%d) reserve RLC cp table bo failed\n", r);
4342			sumo_rlc_fini(rdev);
4343			return r;
4344		}
4345		r = radeon_bo_pin(rdev->rlc.cp_table_obj, RADEON_GEM_DOMAIN_VRAM,
4346				  &rdev->rlc.cp_table_gpu_addr);
4347		if (r) {
4348			radeon_bo_unreserve(rdev->rlc.cp_table_obj);
4349			dev_warn(rdev->dev, "(%d) pin RLC cp_table bo failed\n", r);
4350			sumo_rlc_fini(rdev);
4351			return r;
4352		}
4353		r = radeon_bo_kmap(rdev->rlc.cp_table_obj, (void **)&rdev->rlc.cp_table_ptr);
4354		if (r) {
4355			dev_warn(rdev->dev, "(%d) map RLC cp table bo failed\n", r);
4356			sumo_rlc_fini(rdev);
4357			return r;
4358		}
4359
4360		cik_init_cp_pg_table(rdev);
4361
4362		radeon_bo_kunmap(rdev->rlc.cp_table_obj);
4363		radeon_bo_unreserve(rdev->rlc.cp_table_obj);
4364
4365	}
4366
4367	return 0;
4368}
4369
4370static void evergreen_rlc_start(struct radeon_device *rdev)
4371{
4372	u32 mask = RLC_ENABLE;
4373
4374	if (rdev->flags & RADEON_IS_IGP) {
4375		mask |= GFX_POWER_GATING_ENABLE | GFX_POWER_GATING_SRC;
4376	}
4377
4378	WREG32(RLC_CNTL, mask);
4379}
4380
4381int evergreen_rlc_resume(struct radeon_device *rdev)
4382{
4383	u32 i;
4384	const __be32 *fw_data;
4385
4386	if (!rdev->rlc_fw)
4387		return -EINVAL;
4388
4389	r600_rlc_stop(rdev);
4390
4391	WREG32(RLC_HB_CNTL, 0);
4392
4393	if (rdev->flags & RADEON_IS_IGP) {
4394		if (rdev->family == CHIP_ARUBA) {
4395			u32 always_on_bitmap =
4396				3 | (3 << (16 * rdev->config.cayman.max_shader_engines));
4397			/* find out the number of active simds */
4398			u32 tmp = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
4399			tmp |= 0xffffffff << rdev->config.cayman.max_simds_per_se;
4400			tmp = hweight32(~tmp);
4401			if (tmp == rdev->config.cayman.max_simds_per_se) {
4402				WREG32(TN_RLC_LB_ALWAYS_ACTIVE_SIMD_MASK, always_on_bitmap);
4403				WREG32(TN_RLC_LB_PARAMS, 0x00601004);
4404				WREG32(TN_RLC_LB_INIT_SIMD_MASK, 0xffffffff);
4405				WREG32(TN_RLC_LB_CNTR_INIT, 0x00000000);
4406				WREG32(TN_RLC_LB_CNTR_MAX, 0x00002000);
4407			}
4408		} else {
4409			WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
4410			WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
4411		}
4412		WREG32(TN_RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
4413		WREG32(TN_RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
4414	} else {
4415		WREG32(RLC_HB_BASE, 0);
4416		WREG32(RLC_HB_RPTR, 0);
4417		WREG32(RLC_HB_WPTR, 0);
4418		WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
4419		WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
4420	}
4421	WREG32(RLC_MC_CNTL, 0);
4422	WREG32(RLC_UCODE_CNTL, 0);
4423
4424	fw_data = (const __be32 *)rdev->rlc_fw->data;
4425	if (rdev->family >= CHIP_ARUBA) {
4426		for (i = 0; i < ARUBA_RLC_UCODE_SIZE; i++) {
4427			WREG32(RLC_UCODE_ADDR, i);
4428			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
4429		}
4430	} else if (rdev->family >= CHIP_CAYMAN) {
4431		for (i = 0; i < CAYMAN_RLC_UCODE_SIZE; i++) {
4432			WREG32(RLC_UCODE_ADDR, i);
4433			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
4434		}
4435	} else {
4436		for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) {
4437			WREG32(RLC_UCODE_ADDR, i);
4438			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
4439		}
4440	}
4441	WREG32(RLC_UCODE_ADDR, 0);
4442
4443	evergreen_rlc_start(rdev);
4444
4445	return 0;
4446}
4447
4448/* Interrupts */
4449
4450u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
4451{
4452	if (crtc >= rdev->num_crtc)
4453		return 0;
4454	else
4455		return RREG32(CRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
4456}
4457
4458void evergreen_disable_interrupt_state(struct radeon_device *rdev)
4459{
4460	int i;
4461	u32 tmp;
4462
4463	if (rdev->family >= CHIP_CAYMAN) {
4464		cayman_cp_int_cntl_setup(rdev, 0,
4465					 CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
4466		cayman_cp_int_cntl_setup(rdev, 1, 0);
4467		cayman_cp_int_cntl_setup(rdev, 2, 0);
4468		tmp = RREG32(CAYMAN_DMA1_CNTL) & ~TRAP_ENABLE;
4469		WREG32(CAYMAN_DMA1_CNTL, tmp);
4470	} else
4471		WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
4472	tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
4473	WREG32(DMA_CNTL, tmp);
4474	WREG32(GRBM_INT_CNTL, 0);
4475	WREG32(SRBM_INT_CNTL, 0);
4476	for (i = 0; i < rdev->num_crtc; i++)
4477		WREG32(INT_MASK + crtc_offsets[i], 0);
4478	for (i = 0; i < rdev->num_crtc; i++)
4479		WREG32(GRPH_INT_CONTROL + crtc_offsets[i], 0);
4480
4481	/* only one DAC on DCE5 */
4482	if (!ASIC_IS_DCE5(rdev))
4483		WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
4484	WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
4485
4486	for (i = 0; i < 6; i++)
4487		WREG32_AND(DC_HPDx_INT_CONTROL(i), DC_HPDx_INT_POLARITY);
4488}
4489
4490/* Note that the order we write back regs here is important */
4491int evergreen_irq_set(struct radeon_device *rdev)
4492{
4493	int i;
4494	u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
4495	u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0;
4496	u32 grbm_int_cntl = 0;
4497	u32 dma_cntl, dma_cntl1 = 0;
4498	u32 thermal_int = 0;
4499
4500	if (!rdev->irq.installed) {
4501		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
4502		return -EINVAL;
4503	}
4504	/* don't enable anything if the ih is disabled */
4505	if (!rdev->ih.enabled) {
4506		r600_disable_interrupts(rdev);
4507		/* force the active interrupt state to all disabled */
4508		evergreen_disable_interrupt_state(rdev);
4509		return 0;
4510	}
4511
4512	if (rdev->family == CHIP_ARUBA)
4513		thermal_int = RREG32(TN_CG_THERMAL_INT_CTRL) &
4514			~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
4515	else
4516		thermal_int = RREG32(CG_THERMAL_INT) &
4517			~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
4518
4519	dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
4520
4521	if (rdev->family >= CHIP_CAYMAN) {
4522		/* enable CP interrupts on all rings */
4523		if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
4524			DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
4525			cp_int_cntl |= TIME_STAMP_INT_ENABLE;
4526		}
4527		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) {
4528			DRM_DEBUG("evergreen_irq_set: sw int cp1\n");
4529			cp_int_cntl1 |= TIME_STAMP_INT_ENABLE;
4530		}
4531		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) {
4532			DRM_DEBUG("evergreen_irq_set: sw int cp2\n");
4533			cp_int_cntl2 |= TIME_STAMP_INT_ENABLE;
4534		}
4535	} else {
4536		if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
4537			DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
4538			cp_int_cntl |= RB_INT_ENABLE;
4539			cp_int_cntl |= TIME_STAMP_INT_ENABLE;
4540		}
4541	}
4542
4543	if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
4544		DRM_DEBUG("r600_irq_set: sw int dma\n");
4545		dma_cntl |= TRAP_ENABLE;
4546	}
4547
4548	if (rdev->family >= CHIP_CAYMAN) {
4549		dma_cntl1 = RREG32(CAYMAN_DMA1_CNTL) & ~TRAP_ENABLE;
4550		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_DMA1_INDEX])) {
4551			DRM_DEBUG("r600_irq_set: sw int dma1\n");
4552			dma_cntl1 |= TRAP_ENABLE;
4553		}
4554	}
4555
4556	if (rdev->irq.dpm_thermal) {
4557		DRM_DEBUG("dpm thermal\n");
4558		thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
4559	}
4560
4561	if (rdev->family >= CHIP_CAYMAN) {
4562		cayman_cp_int_cntl_setup(rdev, 0, cp_int_cntl);
4563		cayman_cp_int_cntl_setup(rdev, 1, cp_int_cntl1);
4564		cayman_cp_int_cntl_setup(rdev, 2, cp_int_cntl2);
4565	} else
4566		WREG32(CP_INT_CNTL, cp_int_cntl);
4567
4568	WREG32(DMA_CNTL, dma_cntl);
4569
4570	if (rdev->family >= CHIP_CAYMAN)
4571		WREG32(CAYMAN_DMA1_CNTL, dma_cntl1);
4572
4573	WREG32(GRBM_INT_CNTL, grbm_int_cntl);
4574
4575	for (i = 0; i < rdev->num_crtc; i++) {
4576		radeon_irq_kms_set_irq_n_enabled(
4577		    rdev, INT_MASK + crtc_offsets[i],
4578		    VBLANK_INT_MASK,
4579		    rdev->irq.crtc_vblank_int[i] ||
4580		    atomic_read(&rdev->irq.pflip[i]), "vblank", i);
4581	}
4582
4583	for (i = 0; i < rdev->num_crtc; i++)
4584		WREG32(GRPH_INT_CONTROL + crtc_offsets[i], GRPH_PFLIP_INT_MASK);
4585
4586	for (i = 0; i < 6; i++) {
4587		radeon_irq_kms_set_irq_n_enabled(
4588		    rdev, DC_HPDx_INT_CONTROL(i),
4589		    DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN,
4590		    rdev->irq.hpd[i], "HPD", i);
4591	}
4592
4593	if (rdev->family == CHIP_ARUBA)
4594		WREG32(TN_CG_THERMAL_INT_CTRL, thermal_int);
4595	else
4596		WREG32(CG_THERMAL_INT, thermal_int);
4597
4598	for (i = 0; i < 6; i++) {
4599		radeon_irq_kms_set_irq_n_enabled(
4600		    rdev, AFMT_AUDIO_PACKET_CONTROL + crtc_offsets[i],
4601		    AFMT_AZ_FORMAT_WTRIG_MASK,
4602		    rdev->irq.afmt[i], "HDMI", i);
4603	}
4604
4605	/* posting read */
4606	RREG32(SRBM_STATUS);
4607
4608	return 0;
4609}
4610
4611/* Note that the order we write back regs here is important */
4612static void evergreen_irq_ack(struct radeon_device *rdev)
4613{
4614	int i, j;
4615	u32 *grph_int = rdev->irq.stat_regs.evergreen.grph_int;
4616	u32 *disp_int = rdev->irq.stat_regs.evergreen.disp_int;
4617	u32 *afmt_status = rdev->irq.stat_regs.evergreen.afmt_status;
4618
4619	for (i = 0; i < 6; i++) {
4620		disp_int[i] = RREG32(evergreen_disp_int_status[i]);
4621		afmt_status[i] = RREG32(AFMT_STATUS + crtc_offsets[i]);
4622		if (i < rdev->num_crtc)
4623			grph_int[i] = RREG32(GRPH_INT_STATUS + crtc_offsets[i]);
4624	}
4625
4626	/* We write back each interrupt register in pairs of two */
4627	for (i = 0; i < rdev->num_crtc; i += 2) {
4628		for (j = i; j < (i + 2); j++) {
4629			if (grph_int[j] & GRPH_PFLIP_INT_OCCURRED)
4630				WREG32(GRPH_INT_STATUS + crtc_offsets[j],
4631				       GRPH_PFLIP_INT_CLEAR);
4632		}
4633
4634		for (j = i; j < (i + 2); j++) {
4635			if (disp_int[j] & LB_D1_VBLANK_INTERRUPT)
4636				WREG32(VBLANK_STATUS + crtc_offsets[j],
4637				       VBLANK_ACK);
4638			if (disp_int[j] & LB_D1_VLINE_INTERRUPT)
4639				WREG32(VLINE_STATUS + crtc_offsets[j],
4640				       VLINE_ACK);
4641		}
4642	}
4643
4644	for (i = 0; i < 6; i++) {
4645		if (disp_int[i] & DC_HPD1_INTERRUPT)
4646			WREG32_OR(DC_HPDx_INT_CONTROL(i), DC_HPDx_INT_ACK);
4647	}
4648
4649	for (i = 0; i < 6; i++) {
4650		if (disp_int[i] & DC_HPD1_RX_INTERRUPT)
4651			WREG32_OR(DC_HPDx_INT_CONTROL(i), DC_HPDx_RX_INT_ACK);
4652	}
4653
4654	for (i = 0; i < 6; i++) {
4655		if (afmt_status[i] & AFMT_AZ_FORMAT_WTRIG)
4656			WREG32_OR(AFMT_AUDIO_PACKET_CONTROL + crtc_offsets[i],
4657				  AFMT_AZ_FORMAT_WTRIG_ACK);
4658	}
4659}
4660
4661static void evergreen_irq_disable(struct radeon_device *rdev)
4662{
4663	r600_disable_interrupts(rdev);
4664	/* Wait and acknowledge irq */
4665	mdelay(1);
4666	evergreen_irq_ack(rdev);
4667	evergreen_disable_interrupt_state(rdev);
4668}
4669
4670void evergreen_irq_suspend(struct radeon_device *rdev)
4671{
4672	evergreen_irq_disable(rdev);
4673	r600_rlc_stop(rdev);
4674}
4675
4676static u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
4677{
4678	u32 wptr, tmp;
4679
4680	if (rdev->wb.enabled)
4681		wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
4682	else
4683		wptr = RREG32(IH_RB_WPTR);
4684
4685	if (wptr & RB_OVERFLOW) {
4686		wptr &= ~RB_OVERFLOW;
4687		/* When a ring buffer overflow happen start parsing interrupt
4688		 * from the last not overwritten vector (wptr + 16). Hopefully
4689		 * this should allow us to catchup.
4690		 */
4691		dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
4692			 wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
4693		rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
4694		tmp = RREG32(IH_RB_CNTL);
4695		tmp |= IH_WPTR_OVERFLOW_CLEAR;
4696		WREG32(IH_RB_CNTL, tmp);
4697	}
4698	return (wptr & rdev->ih.ptr_mask);
4699}
4700
4701int evergreen_irq_process(struct radeon_device *rdev)
4702{
4703	u32 *disp_int = rdev->irq.stat_regs.evergreen.disp_int;
4704	u32 *afmt_status = rdev->irq.stat_regs.evergreen.afmt_status;
4705	u32 crtc_idx, hpd_idx, afmt_idx;
4706	u32 mask;
4707	u32 wptr;
4708	u32 rptr;
4709	u32 src_id, src_data;
4710	u32 ring_index;
4711	bool queue_hotplug = false;
4712	bool queue_hdmi = false;
4713	bool queue_dp = false;
4714	bool queue_thermal = false;
4715	u32 status, addr;
4716	const char *event_name;
4717
4718	if (!rdev->ih.enabled || rdev->shutdown)
4719		return IRQ_NONE;
4720
4721	wptr = evergreen_get_ih_wptr(rdev);
4722
4723restart_ih:
4724	/* is somebody else already processing irqs? */
4725	if (atomic_xchg(&rdev->ih.lock, 1))
4726		return IRQ_NONE;
4727
4728	rptr = rdev->ih.rptr;
4729	DRM_DEBUG("evergreen_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
4730
4731	/* Order reading of wptr vs. reading of IH ring data */
4732	rmb();
4733
4734	/* display interrupts */
4735	evergreen_irq_ack(rdev);
4736
4737	while (rptr != wptr) {
4738		/* wptr/rptr are in bytes! */
4739		ring_index = rptr / 4;
4740		src_id =  le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
4741		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
4742
4743		switch (src_id) {
4744		case 1: /* D1 vblank/vline */
4745		case 2: /* D2 vblank/vline */
4746		case 3: /* D3 vblank/vline */
4747		case 4: /* D4 vblank/vline */
4748		case 5: /* D5 vblank/vline */
4749		case 6: /* D6 vblank/vline */
4750			crtc_idx = src_id - 1;
4751
4752			if (src_data == 0) { /* vblank */
4753				mask = LB_D1_VBLANK_INTERRUPT;
4754				event_name = "vblank";
4755
4756				if (rdev->irq.crtc_vblank_int[crtc_idx]) {
4757					drm_handle_vblank(rdev->ddev, crtc_idx);
4758					rdev->pm.vblank_sync = true;
4759					wake_up(&rdev->irq.vblank_queue);
4760				}
4761				if (atomic_read(&rdev->irq.pflip[crtc_idx])) {
4762					radeon_crtc_handle_vblank(rdev,
4763								  crtc_idx);
4764				}
4765
4766			} else if (src_data == 1) { /* vline */
4767				mask = LB_D1_VLINE_INTERRUPT;
4768				event_name = "vline";
4769			} else {
4770				DRM_DEBUG("Unhandled interrupt: %d %d\n",
4771					  src_id, src_data);
4772				break;
4773			}
4774
4775			if (!(disp_int[crtc_idx] & mask)) {
4776				DRM_DEBUG("IH: D%d %s - IH event w/o asserted irq bit?\n",
4777					  crtc_idx + 1, event_name);
4778			}
4779
4780			disp_int[crtc_idx] &= ~mask;
4781			DRM_DEBUG("IH: D%d %s\n", crtc_idx + 1, event_name);
4782
4783			break;
4784		case 8: /* D1 page flip */
4785		case 10: /* D2 page flip */
4786		case 12: /* D3 page flip */
4787		case 14: /* D4 page flip */
4788		case 16: /* D5 page flip */
4789		case 18: /* D6 page flip */
4790			DRM_DEBUG("IH: D%d flip\n", ((src_id - 8) >> 1) + 1);
4791			if (radeon_use_pflipirq > 0)
4792				radeon_crtc_handle_flip(rdev, (src_id - 8) >> 1);
4793			break;
4794		case 42: /* HPD hotplug */
4795			if (src_data <= 5) {
4796				hpd_idx = src_data;
4797				mask = DC_HPD1_INTERRUPT;
4798				queue_hotplug = true;
4799				event_name = "HPD";
4800
4801			} else if (src_data <= 11) {
4802				hpd_idx = src_data - 6;
4803				mask = DC_HPD1_RX_INTERRUPT;
4804				queue_dp = true;
4805				event_name = "HPD_RX";
4806
4807			} else {
4808				DRM_DEBUG("Unhandled interrupt: %d %d\n",
4809					  src_id, src_data);
4810				break;
4811			}
4812
4813			if (!(disp_int[hpd_idx] & mask))
4814				DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
4815
4816			disp_int[hpd_idx] &= ~mask;
4817			DRM_DEBUG("IH: %s%d\n", event_name, hpd_idx + 1);
4818
4819			break;
4820		case 44: /* hdmi */
4821			afmt_idx = src_data;
4822			if (!(afmt_status[afmt_idx] & AFMT_AZ_FORMAT_WTRIG))
4823				DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
4824
4825			if (afmt_idx > 5) {
4826				DRM_ERROR("Unhandled interrupt: %d %d\n",
4827					  src_id, src_data);
4828				break;
4829			}
4830			afmt_status[afmt_idx] &= ~AFMT_AZ_FORMAT_WTRIG;
4831			queue_hdmi = true;
4832			DRM_DEBUG("IH: HDMI%d\n", afmt_idx + 1);
4833			break;
4834		case 96:
4835			DRM_ERROR("SRBM_READ_ERROR: 0x%x\n", RREG32(SRBM_READ_ERROR));
4836			WREG32(SRBM_INT_ACK, 0x1);
4837			break;
4838		case 124: /* UVD */
4839			DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
4840			radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
4841			break;
4842		case 146:
4843		case 147:
4844			addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
4845			status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS);
4846			/* reset addr and status */
4847			WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
4848			if (addr == 0x0 && status == 0x0)
4849				break;
4850			dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
4851			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
4852				addr);
4853			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
4854				status);
4855			cayman_vm_decode_fault(rdev, status, addr);
4856			break;
4857		case 176: /* CP_INT in ring buffer */
4858		case 177: /* CP_INT in IB1 */
4859		case 178: /* CP_INT in IB2 */
4860			DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
4861			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4862			break;
4863		case 181: /* CP EOP event */
4864			DRM_DEBUG("IH: CP EOP\n");
4865			if (rdev->family >= CHIP_CAYMAN) {
4866				switch (src_data) {
4867				case 0:
4868					radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4869					break;
4870				case 1:
4871					radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
4872					break;
4873				case 2:
4874					radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
4875					break;
4876				}
4877			} else
4878				radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4879			break;
4880		case 224: /* DMA trap event */
4881			DRM_DEBUG("IH: DMA trap\n");
4882			radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
4883			break;
4884		case 230: /* thermal low to high */
4885			DRM_DEBUG("IH: thermal low to high\n");
4886			rdev->pm.dpm.thermal.high_to_low = false;
4887			queue_thermal = true;
4888			break;
4889		case 231: /* thermal high to low */
4890			DRM_DEBUG("IH: thermal high to low\n");
4891			rdev->pm.dpm.thermal.high_to_low = true;
4892			queue_thermal = true;
4893			break;
4894		case 233: /* GUI IDLE */
4895			DRM_DEBUG("IH: GUI idle\n");
4896			break;
4897		case 244: /* DMA trap event */
4898			if (rdev->family >= CHIP_CAYMAN) {
4899				DRM_DEBUG("IH: DMA1 trap\n");
4900				radeon_fence_process(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
4901			}
4902			break;
4903		default:
4904			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4905			break;
4906		}
4907
4908		/* wptr/rptr are in bytes! */
4909		rptr += 16;
4910		rptr &= rdev->ih.ptr_mask;
4911		WREG32(IH_RB_RPTR, rptr);
4912	}
4913	if (queue_dp)
4914		schedule_work(&rdev->dp_work);
4915	if (queue_hotplug)
4916		schedule_delayed_work(&rdev->hotplug_work, 0);
4917	if (queue_hdmi)
4918		schedule_work(&rdev->audio_work);
4919	if (queue_thermal && rdev->pm.dpm_enabled)
4920		schedule_work(&rdev->pm.dpm.thermal.work);
4921	rdev->ih.rptr = rptr;
4922	atomic_set(&rdev->ih.lock, 0);
4923
4924	/* make sure wptr hasn't changed while processing */
4925	wptr = evergreen_get_ih_wptr(rdev);
4926	if (wptr != rptr)
4927		goto restart_ih;
4928
4929	return IRQ_HANDLED;
4930}
4931
4932static void evergreen_uvd_init(struct radeon_device *rdev)
4933{
4934	int r;
4935
4936	if (!rdev->has_uvd)
4937		return;
4938
4939	r = radeon_uvd_init(rdev);
4940	if (r) {
4941		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
4942		/*
4943		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
4944		 * to early fails uvd_v2_2_resume() and thus nothing happens
4945		 * there. So it is pointless to try to go through that code
4946		 * hence why we disable uvd here.
4947		 */
4948		rdev->has_uvd = 0;
4949		return;
4950	}
4951	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
4952	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
4953}
4954
4955static void evergreen_uvd_start(struct radeon_device *rdev)
4956{
4957	int r;
4958
4959	if (!rdev->has_uvd)
4960		return;
4961
4962	r = uvd_v2_2_resume(rdev);
4963	if (r) {
4964		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
4965		goto error;
4966	}
4967	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
4968	if (r) {
4969		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
4970		goto error;
4971	}
4972	return;
4973
4974error:
4975	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
4976}
4977
4978static void evergreen_uvd_resume(struct radeon_device *rdev)
4979{
4980	struct radeon_ring *ring;
4981	int r;
4982
4983	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
4984		return;
4985
4986	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
4987	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0));
4988	if (r) {
4989		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
4990		return;
4991	}
4992	r = uvd_v1_0_init(rdev);
4993	if (r) {
4994		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
4995		return;
4996	}
4997}
4998
4999static int evergreen_startup(struct radeon_device *rdev)
5000{
5001	struct radeon_ring *ring;
5002	int r;
5003
5004	/* enable pcie gen2 link */
5005	evergreen_pcie_gen2_enable(rdev);
5006	/* enable aspm */
5007	evergreen_program_aspm(rdev);
5008
5009	/* scratch needs to be initialized before MC */
5010	r = r600_vram_scratch_init(rdev);
5011	if (r)
5012		return r;
5013
5014	evergreen_mc_program(rdev);
5015
5016	if (ASIC_IS_DCE5(rdev) && !rdev->pm.dpm_enabled) {
5017		r = ni_mc_load_microcode(rdev);
5018		if (r) {
5019			DRM_ERROR("Failed to load MC firmware!\n");
5020			return r;
5021		}
5022	}
5023
5024	if (rdev->flags & RADEON_IS_AGP) {
5025		evergreen_agp_enable(rdev);
5026	} else {
5027		r = evergreen_pcie_gart_enable(rdev);
5028		if (r)
5029			return r;
5030	}
5031	evergreen_gpu_init(rdev);
5032
5033	/* allocate rlc buffers */
5034	if (rdev->flags & RADEON_IS_IGP) {
5035		rdev->rlc.reg_list = sumo_rlc_save_restore_register_list;
5036		rdev->rlc.reg_list_size =
5037			(u32)ARRAY_SIZE(sumo_rlc_save_restore_register_list);
5038		rdev->rlc.cs_data = evergreen_cs_data;
5039		r = sumo_rlc_init(rdev);
5040		if (r) {
5041			DRM_ERROR("Failed to init rlc BOs!\n");
5042			return r;
5043		}
5044	}
5045
5046	/* allocate wb buffer */
5047	r = radeon_wb_init(rdev);
5048	if (r)
5049		return r;
5050
5051	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
5052	if (r) {
5053		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
5054		return r;
5055	}
5056
5057	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
5058	if (r) {
5059		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
5060		return r;
5061	}
5062
5063	evergreen_uvd_start(rdev);
5064
5065	/* Enable IRQ */
5066	if (!rdev->irq.installed) {
5067		r = radeon_irq_kms_init(rdev);
5068		if (r)
5069			return r;
5070	}
5071
5072	r = r600_irq_init(rdev);
5073	if (r) {
5074		DRM_ERROR("radeon: IH init failed (%d).\n", r);
5075		radeon_irq_kms_fini(rdev);
5076		return r;
5077	}
5078	evergreen_irq_set(rdev);
5079
5080	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
5081	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
5082			     RADEON_CP_PACKET2);
5083	if (r)
5084		return r;
5085
5086	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
5087	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
5088			     DMA_PACKET(DMA_PACKET_NOP, 0, 0));
5089	if (r)
5090		return r;
5091
5092	r = evergreen_cp_load_microcode(rdev);
5093	if (r)
5094		return r;
5095	r = evergreen_cp_resume(rdev);
5096	if (r)
5097		return r;
5098	r = r600_dma_resume(rdev);
5099	if (r)
5100		return r;
5101
5102	evergreen_uvd_resume(rdev);
5103
5104	r = radeon_ib_pool_init(rdev);
5105	if (r) {
5106		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
5107		return r;
5108	}
5109
5110	r = radeon_audio_init(rdev);
5111	if (r) {
5112		DRM_ERROR("radeon: audio init failed\n");
5113		return r;
5114	}
5115
5116	return 0;
5117}
5118
5119int evergreen_resume(struct radeon_device *rdev)
5120{
5121	int r;
5122
5123	/* reset the asic, the gfx blocks are often in a bad state
5124	 * after the driver is unloaded or after a resume
5125	 */
5126	if (radeon_asic_reset(rdev))
5127		dev_warn(rdev->dev, "GPU reset failed !\n");
5128	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
5129	 * posting will perform necessary task to bring back GPU into good
5130	 * shape.
5131	 */
5132	/* post card */
5133	atom_asic_init(rdev->mode_info.atom_context);
5134
5135	/* init golden registers */
5136	evergreen_init_golden_registers(rdev);
5137
5138	if (rdev->pm.pm_method == PM_METHOD_DPM)
5139		radeon_pm_resume(rdev);
5140
5141	rdev->accel_working = true;
5142	r = evergreen_startup(rdev);
5143	if (r) {
5144		DRM_ERROR("evergreen startup failed on resume\n");
5145		rdev->accel_working = false;
5146		return r;
5147	}
5148
5149	return r;
5150
5151}
5152
5153int evergreen_suspend(struct radeon_device *rdev)
5154{
5155	radeon_pm_suspend(rdev);
5156	radeon_audio_fini(rdev);
5157	if (rdev->has_uvd) {
5158		uvd_v1_0_fini(rdev);
5159		radeon_uvd_suspend(rdev);
 
5160	}
5161	r700_cp_stop(rdev);
5162	r600_dma_stop(rdev);
5163	evergreen_irq_suspend(rdev);
5164	radeon_wb_disable(rdev);
5165	evergreen_pcie_gart_disable(rdev);
5166
5167	return 0;
5168}
5169
5170/* Plan is to move initialization in that function and use
5171 * helper function so that radeon_device_init pretty much
5172 * do nothing more than calling asic specific function. This
5173 * should also allow to remove a bunch of callback function
5174 * like vram_info.
5175 */
5176int evergreen_init(struct radeon_device *rdev)
5177{
5178	int r;
5179
5180	/* Read BIOS */
5181	if (!radeon_get_bios(rdev)) {
5182		if (ASIC_IS_AVIVO(rdev))
5183			return -EINVAL;
5184	}
5185	/* Must be an ATOMBIOS */
5186	if (!rdev->is_atom_bios) {
5187		dev_err(rdev->dev, "Expecting atombios for evergreen GPU\n");
5188		return -EINVAL;
5189	}
5190	r = radeon_atombios_init(rdev);
5191	if (r)
5192		return r;
5193	/* reset the asic, the gfx blocks are often in a bad state
5194	 * after the driver is unloaded or after a resume
5195	 */
5196	if (radeon_asic_reset(rdev))
5197		dev_warn(rdev->dev, "GPU reset failed !\n");
5198	/* Post card if necessary */
5199	if (!radeon_card_posted(rdev)) {
5200		if (!rdev->bios) {
5201			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
5202			return -EINVAL;
5203		}
5204		DRM_INFO("GPU not posted. posting now...\n");
5205		atom_asic_init(rdev->mode_info.atom_context);
5206	}
5207	/* init golden registers */
5208	evergreen_init_golden_registers(rdev);
5209	/* Initialize scratch registers */
5210	r600_scratch_init(rdev);
5211	/* Initialize surface registers */
5212	radeon_surface_init(rdev);
5213	/* Initialize clocks */
5214	radeon_get_clock_info(rdev->ddev);
5215	/* Fence driver */
5216	r = radeon_fence_driver_init(rdev);
5217	if (r)
5218		return r;
5219	/* initialize AGP */
5220	if (rdev->flags & RADEON_IS_AGP) {
5221		r = radeon_agp_init(rdev);
5222		if (r)
5223			radeon_agp_disable(rdev);
5224	}
5225	/* initialize memory controller */
5226	r = evergreen_mc_init(rdev);
5227	if (r)
5228		return r;
5229	/* Memory manager */
5230	r = radeon_bo_init(rdev);
5231	if (r)
5232		return r;
5233
5234	if (ASIC_IS_DCE5(rdev)) {
5235		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
5236			r = ni_init_microcode(rdev);
5237			if (r) {
5238				DRM_ERROR("Failed to load firmware!\n");
5239				return r;
5240			}
5241		}
5242	} else {
5243		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
5244			r = r600_init_microcode(rdev);
5245			if (r) {
5246				DRM_ERROR("Failed to load firmware!\n");
5247				return r;
5248			}
5249		}
5250	}
5251
5252	/* Initialize power management */
5253	radeon_pm_init(rdev);
5254
5255	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
5256	r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
5257
5258	rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL;
5259	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024);
5260
5261	evergreen_uvd_init(rdev);
5262
5263	rdev->ih.ring_obj = NULL;
5264	r600_ih_ring_init(rdev, 64 * 1024);
5265
5266	r = r600_pcie_gart_init(rdev);
5267	if (r)
5268		return r;
5269
5270	rdev->accel_working = true;
5271	r = evergreen_startup(rdev);
5272	if (r) {
5273		dev_err(rdev->dev, "disabling GPU acceleration\n");
5274		r700_cp_fini(rdev);
5275		r600_dma_fini(rdev);
5276		r600_irq_fini(rdev);
5277		if (rdev->flags & RADEON_IS_IGP)
5278			sumo_rlc_fini(rdev);
5279		radeon_wb_fini(rdev);
5280		radeon_ib_pool_fini(rdev);
5281		radeon_irq_kms_fini(rdev);
5282		evergreen_pcie_gart_fini(rdev);
5283		rdev->accel_working = false;
5284	}
5285
5286	/* Don't start up if the MC ucode is missing on BTC parts.
5287	 * The default clocks and voltages before the MC ucode
5288	 * is loaded are not suffient for advanced operations.
5289	 */
5290	if (ASIC_IS_DCE5(rdev)) {
5291		if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
5292			DRM_ERROR("radeon: MC ucode required for NI+.\n");
5293			return -EINVAL;
5294		}
5295	}
5296
5297	return 0;
5298}
5299
5300void evergreen_fini(struct radeon_device *rdev)
5301{
5302	radeon_pm_fini(rdev);
5303	radeon_audio_fini(rdev);
5304	r700_cp_fini(rdev);
5305	r600_dma_fini(rdev);
5306	r600_irq_fini(rdev);
5307	if (rdev->flags & RADEON_IS_IGP)
5308		sumo_rlc_fini(rdev);
5309	radeon_wb_fini(rdev);
5310	radeon_ib_pool_fini(rdev);
5311	radeon_irq_kms_fini(rdev);
5312	uvd_v1_0_fini(rdev);
5313	radeon_uvd_fini(rdev);
5314	evergreen_pcie_gart_fini(rdev);
5315	r600_vram_scratch_fini(rdev);
5316	radeon_gem_fini(rdev);
5317	radeon_fence_driver_fini(rdev);
5318	radeon_agp_fini(rdev);
5319	radeon_bo_fini(rdev);
5320	radeon_atombios_fini(rdev);
5321	kfree(rdev->bios);
5322	rdev->bios = NULL;
5323}
5324
5325void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
5326{
5327	u32 link_width_cntl, speed_cntl;
5328
5329	if (radeon_pcie_gen2 == 0)
5330		return;
5331
5332	if (rdev->flags & RADEON_IS_IGP)
5333		return;
5334
5335	if (!(rdev->flags & RADEON_IS_PCIE))
5336		return;
5337
5338	/* x2 cards have a special sequence */
5339	if (ASIC_IS_X2(rdev))
5340		return;
5341
5342	if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) &&
5343		(rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT))
5344		return;
5345
5346	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5347	if (speed_cntl & LC_CURRENT_DATA_RATE) {
5348		DRM_INFO("PCIE gen 2 link speeds already enabled\n");
5349		return;
5350	}
5351
5352	DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
5353
5354	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) ||
5355	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
5356
5357		link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
5358		link_width_cntl &= ~LC_UPCONFIGURE_DIS;
5359		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
5360
5361		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5362		speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
5363		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5364
5365		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5366		speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
5367		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5368
5369		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5370		speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
5371		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5372
5373		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5374		speed_cntl |= LC_GEN2_EN_STRAP;
5375		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5376
5377	} else {
5378		link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
5379		/* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
5380		if (1)
5381			link_width_cntl |= LC_UPCONFIGURE_DIS;
5382		else
5383			link_width_cntl &= ~LC_UPCONFIGURE_DIS;
5384		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
5385	}
5386}
5387
5388void evergreen_program_aspm(struct radeon_device *rdev)
5389{
5390	u32 data, orig;
5391	u32 pcie_lc_cntl, pcie_lc_cntl_old;
5392	bool disable_l0s, disable_l1 = false, disable_plloff_in_l1 = false;
5393	/* fusion_platform = true
5394	 * if the system is a fusion system
5395	 * (APU or DGPU in a fusion system).
5396	 * todo: check if the system is a fusion platform.
5397	 */
5398	bool fusion_platform = false;
5399
5400	if (radeon_aspm == 0)
5401		return;
5402
5403	if (!(rdev->flags & RADEON_IS_PCIE))
5404		return;
5405
5406	switch (rdev->family) {
5407	case CHIP_CYPRESS:
5408	case CHIP_HEMLOCK:
5409	case CHIP_JUNIPER:
5410	case CHIP_REDWOOD:
5411	case CHIP_CEDAR:
5412	case CHIP_SUMO:
5413	case CHIP_SUMO2:
5414	case CHIP_PALM:
5415	case CHIP_ARUBA:
5416		disable_l0s = true;
5417		break;
5418	default:
5419		disable_l0s = false;
5420		break;
5421	}
5422
5423	if (rdev->flags & RADEON_IS_IGP)
5424		fusion_platform = true; /* XXX also dGPUs in a fusion system */
5425
5426	data = orig = RREG32_PIF_PHY0(PB0_PIF_PAIRING);
5427	if (fusion_platform)
5428		data &= ~MULTI_PIF;
5429	else
5430		data |= MULTI_PIF;
5431	if (data != orig)
5432		WREG32_PIF_PHY0(PB0_PIF_PAIRING, data);
5433
5434	data = orig = RREG32_PIF_PHY1(PB1_PIF_PAIRING);
5435	if (fusion_platform)
5436		data &= ~MULTI_PIF;
5437	else
5438		data |= MULTI_PIF;
5439	if (data != orig)
5440		WREG32_PIF_PHY1(PB1_PIF_PAIRING, data);
5441
5442	pcie_lc_cntl = pcie_lc_cntl_old = RREG32_PCIE_PORT(PCIE_LC_CNTL);
5443	pcie_lc_cntl &= ~(LC_L0S_INACTIVITY_MASK | LC_L1_INACTIVITY_MASK);
5444	if (!disable_l0s) {
5445		if (rdev->family >= CHIP_BARTS)
5446			pcie_lc_cntl |= LC_L0S_INACTIVITY(7);
5447		else
5448			pcie_lc_cntl |= LC_L0S_INACTIVITY(3);
5449	}
5450
5451	if (!disable_l1) {
5452		if (rdev->family >= CHIP_BARTS)
5453			pcie_lc_cntl |= LC_L1_INACTIVITY(7);
5454		else
5455			pcie_lc_cntl |= LC_L1_INACTIVITY(8);
5456
5457		if (!disable_plloff_in_l1) {
5458			data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
5459			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
5460			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
5461			if (data != orig)
5462				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
5463
5464			data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
5465			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
5466			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
5467			if (data != orig)
5468				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
5469
5470			data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
5471			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
5472			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
5473			if (data != orig)
5474				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
5475
5476			data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
5477			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
5478			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
5479			if (data != orig)
5480				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
5481
5482			if (rdev->family >= CHIP_BARTS) {
5483				data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
5484				data &= ~PLL_RAMP_UP_TIME_0_MASK;
5485				data |= PLL_RAMP_UP_TIME_0(4);
5486				if (data != orig)
5487					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
5488
5489				data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
5490				data &= ~PLL_RAMP_UP_TIME_1_MASK;
5491				data |= PLL_RAMP_UP_TIME_1(4);
5492				if (data != orig)
5493					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
5494
5495				data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
5496				data &= ~PLL_RAMP_UP_TIME_0_MASK;
5497				data |= PLL_RAMP_UP_TIME_0(4);
5498				if (data != orig)
5499					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
5500
5501				data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
5502				data &= ~PLL_RAMP_UP_TIME_1_MASK;
5503				data |= PLL_RAMP_UP_TIME_1(4);
5504				if (data != orig)
5505					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
5506			}
5507
5508			data = orig = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
5509			data &= ~LC_DYN_LANES_PWR_STATE_MASK;
5510			data |= LC_DYN_LANES_PWR_STATE(3);
5511			if (data != orig)
5512				WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, data);
5513
5514			if (rdev->family >= CHIP_BARTS) {
5515				data = orig = RREG32_PIF_PHY0(PB0_PIF_CNTL);
5516				data &= ~LS2_EXIT_TIME_MASK;
5517				data |= LS2_EXIT_TIME(1);
5518				if (data != orig)
5519					WREG32_PIF_PHY0(PB0_PIF_CNTL, data);
5520
5521				data = orig = RREG32_PIF_PHY1(PB1_PIF_CNTL);
5522				data &= ~LS2_EXIT_TIME_MASK;
5523				data |= LS2_EXIT_TIME(1);
5524				if (data != orig)
5525					WREG32_PIF_PHY1(PB1_PIF_CNTL, data);
5526			}
5527		}
5528	}
5529
5530	/* evergreen parts only */
5531	if (rdev->family < CHIP_BARTS)
5532		pcie_lc_cntl |= LC_PMI_TO_L1_DIS;
5533
5534	if (pcie_lc_cntl != pcie_lc_cntl_old)
5535		WREG32_PCIE_PORT(PCIE_LC_CNTL, pcie_lc_cntl);
5536}
v6.2
   1/*
   2 * Copyright 2010 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 * Authors: Alex Deucher
  23 */
  24
  25#include <linux/firmware.h>
  26#include <linux/pci.h>
  27#include <linux/slab.h>
  28
 
  29#include <drm/drm_vblank.h>
  30#include <drm/radeon_drm.h>
  31#include <drm/drm_fourcc.h>
  32#include <drm/drm_framebuffer.h>
  33
  34#include "atom.h"
  35#include "avivod.h"
  36#include "cik.h"
  37#include "ni.h"
  38#include "rv770.h"
  39#include "evergreen.h"
  40#include "evergreen_blit_shaders.h"
  41#include "evergreen_reg.h"
  42#include "evergreend.h"
  43#include "radeon.h"
  44#include "radeon_asic.h"
  45#include "radeon_audio.h"
  46#include "radeon_ucode.h"
  47#include "si.h"
  48
  49#define DC_HPDx_CONTROL(x)        (DC_HPD1_CONTROL     + (x * 0xc))
  50#define DC_HPDx_INT_CONTROL(x)    (DC_HPD1_INT_CONTROL + (x * 0xc))
  51#define DC_HPDx_INT_STATUS_REG(x) (DC_HPD1_INT_STATUS  + (x * 0xc))
  52
  53/*
  54 * Indirect registers accessor
  55 */
  56u32 eg_cg_rreg(struct radeon_device *rdev, u32 reg)
  57{
  58	unsigned long flags;
  59	u32 r;
  60
  61	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
  62	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
  63	r = RREG32(EVERGREEN_CG_IND_DATA);
  64	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
  65	return r;
  66}
  67
  68void eg_cg_wreg(struct radeon_device *rdev, u32 reg, u32 v)
  69{
  70	unsigned long flags;
  71
  72	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
  73	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
  74	WREG32(EVERGREEN_CG_IND_DATA, (v));
  75	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
  76}
  77
  78u32 eg_pif_phy0_rreg(struct radeon_device *rdev, u32 reg)
  79{
  80	unsigned long flags;
  81	u32 r;
  82
  83	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
  84	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
  85	r = RREG32(EVERGREEN_PIF_PHY0_DATA);
  86	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
  87	return r;
  88}
  89
  90void eg_pif_phy0_wreg(struct radeon_device *rdev, u32 reg, u32 v)
  91{
  92	unsigned long flags;
  93
  94	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
  95	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
  96	WREG32(EVERGREEN_PIF_PHY0_DATA, (v));
  97	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
  98}
  99
 100u32 eg_pif_phy1_rreg(struct radeon_device *rdev, u32 reg)
 101{
 102	unsigned long flags;
 103	u32 r;
 104
 105	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
 106	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
 107	r = RREG32(EVERGREEN_PIF_PHY1_DATA);
 108	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
 109	return r;
 110}
 111
 112void eg_pif_phy1_wreg(struct radeon_device *rdev, u32 reg, u32 v)
 113{
 114	unsigned long flags;
 115
 116	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
 117	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
 118	WREG32(EVERGREEN_PIF_PHY1_DATA, (v));
 119	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
 120}
 121
 122static const u32 crtc_offsets[6] =
 123{
 124	EVERGREEN_CRTC0_REGISTER_OFFSET,
 125	EVERGREEN_CRTC1_REGISTER_OFFSET,
 126	EVERGREEN_CRTC2_REGISTER_OFFSET,
 127	EVERGREEN_CRTC3_REGISTER_OFFSET,
 128	EVERGREEN_CRTC4_REGISTER_OFFSET,
 129	EVERGREEN_CRTC5_REGISTER_OFFSET
 130};
 131
 132#include "clearstate_evergreen.h"
 133
 134static const u32 sumo_rlc_save_restore_register_list[] =
 135{
 136	0x98fc,
 137	0x9830,
 138	0x9834,
 139	0x9838,
 140	0x9870,
 141	0x9874,
 142	0x8a14,
 143	0x8b24,
 144	0x8bcc,
 145	0x8b10,
 146	0x8d00,
 147	0x8d04,
 148	0x8c00,
 149	0x8c04,
 150	0x8c08,
 151	0x8c0c,
 152	0x8d8c,
 153	0x8c20,
 154	0x8c24,
 155	0x8c28,
 156	0x8c18,
 157	0x8c1c,
 158	0x8cf0,
 159	0x8e2c,
 160	0x8e38,
 161	0x8c30,
 162	0x9508,
 163	0x9688,
 164	0x9608,
 165	0x960c,
 166	0x9610,
 167	0x9614,
 168	0x88c4,
 169	0x88d4,
 170	0xa008,
 171	0x900c,
 172	0x9100,
 173	0x913c,
 174	0x98f8,
 175	0x98f4,
 176	0x9b7c,
 177	0x3f8c,
 178	0x8950,
 179	0x8954,
 180	0x8a18,
 181	0x8b28,
 182	0x9144,
 183	0x9148,
 184	0x914c,
 185	0x3f90,
 186	0x3f94,
 187	0x915c,
 188	0x9160,
 189	0x9178,
 190	0x917c,
 191	0x9180,
 192	0x918c,
 193	0x9190,
 194	0x9194,
 195	0x9198,
 196	0x919c,
 197	0x91a8,
 198	0x91ac,
 199	0x91b0,
 200	0x91b4,
 201	0x91b8,
 202	0x91c4,
 203	0x91c8,
 204	0x91cc,
 205	0x91d0,
 206	0x91d4,
 207	0x91e0,
 208	0x91e4,
 209	0x91ec,
 210	0x91f0,
 211	0x91f4,
 212	0x9200,
 213	0x9204,
 214	0x929c,
 215	0x9150,
 216	0x802c,
 217};
 218
 219static void evergreen_gpu_init(struct radeon_device *rdev);
 220void evergreen_fini(struct radeon_device *rdev);
 221void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
 222void evergreen_program_aspm(struct radeon_device *rdev);
 
 
 
 
 
 
 
 
 
 
 
 223
 224static const u32 evergreen_golden_registers[] =
 225{
 226	0x3f90, 0xffff0000, 0xff000000,
 227	0x9148, 0xffff0000, 0xff000000,
 228	0x3f94, 0xffff0000, 0xff000000,
 229	0x914c, 0xffff0000, 0xff000000,
 230	0x9b7c, 0xffffffff, 0x00000000,
 231	0x8a14, 0xffffffff, 0x00000007,
 232	0x8b10, 0xffffffff, 0x00000000,
 233	0x960c, 0xffffffff, 0x54763210,
 234	0x88c4, 0xffffffff, 0x000000c2,
 235	0x88d4, 0xffffffff, 0x00000010,
 236	0x8974, 0xffffffff, 0x00000000,
 237	0xc78, 0x00000080, 0x00000080,
 238	0x5eb4, 0xffffffff, 0x00000002,
 239	0x5e78, 0xffffffff, 0x001000f0,
 240	0x6104, 0x01000300, 0x00000000,
 241	0x5bc0, 0x00300000, 0x00000000,
 242	0x7030, 0xffffffff, 0x00000011,
 243	0x7c30, 0xffffffff, 0x00000011,
 244	0x10830, 0xffffffff, 0x00000011,
 245	0x11430, 0xffffffff, 0x00000011,
 246	0x12030, 0xffffffff, 0x00000011,
 247	0x12c30, 0xffffffff, 0x00000011,
 248	0xd02c, 0xffffffff, 0x08421000,
 249	0x240c, 0xffffffff, 0x00000380,
 250	0x8b24, 0xffffffff, 0x00ff0fff,
 251	0x28a4c, 0x06000000, 0x06000000,
 252	0x10c, 0x00000001, 0x00000001,
 253	0x8d00, 0xffffffff, 0x100e4848,
 254	0x8d04, 0xffffffff, 0x00164745,
 255	0x8c00, 0xffffffff, 0xe4000003,
 256	0x8c04, 0xffffffff, 0x40600060,
 257	0x8c08, 0xffffffff, 0x001c001c,
 258	0x8cf0, 0xffffffff, 0x08e00620,
 259	0x8c20, 0xffffffff, 0x00800080,
 260	0x8c24, 0xffffffff, 0x00800080,
 261	0x8c18, 0xffffffff, 0x20202078,
 262	0x8c1c, 0xffffffff, 0x00001010,
 263	0x28350, 0xffffffff, 0x00000000,
 264	0xa008, 0xffffffff, 0x00010000,
 265	0x5c4, 0xffffffff, 0x00000001,
 266	0x9508, 0xffffffff, 0x00000002,
 267	0x913c, 0x0000000f, 0x0000000a
 268};
 269
 270static const u32 evergreen_golden_registers2[] =
 271{
 272	0x2f4c, 0xffffffff, 0x00000000,
 273	0x54f4, 0xffffffff, 0x00000000,
 274	0x54f0, 0xffffffff, 0x00000000,
 275	0x5498, 0xffffffff, 0x00000000,
 276	0x549c, 0xffffffff, 0x00000000,
 277	0x5494, 0xffffffff, 0x00000000,
 278	0x53cc, 0xffffffff, 0x00000000,
 279	0x53c8, 0xffffffff, 0x00000000,
 280	0x53c4, 0xffffffff, 0x00000000,
 281	0x53c0, 0xffffffff, 0x00000000,
 282	0x53bc, 0xffffffff, 0x00000000,
 283	0x53b8, 0xffffffff, 0x00000000,
 284	0x53b4, 0xffffffff, 0x00000000,
 285	0x53b0, 0xffffffff, 0x00000000
 286};
 287
 288static const u32 cypress_mgcg_init[] =
 289{
 290	0x802c, 0xffffffff, 0xc0000000,
 291	0x5448, 0xffffffff, 0x00000100,
 292	0x55e4, 0xffffffff, 0x00000100,
 293	0x160c, 0xffffffff, 0x00000100,
 294	0x5644, 0xffffffff, 0x00000100,
 295	0xc164, 0xffffffff, 0x00000100,
 296	0x8a18, 0xffffffff, 0x00000100,
 297	0x897c, 0xffffffff, 0x06000100,
 298	0x8b28, 0xffffffff, 0x00000100,
 299	0x9144, 0xffffffff, 0x00000100,
 300	0x9a60, 0xffffffff, 0x00000100,
 301	0x9868, 0xffffffff, 0x00000100,
 302	0x8d58, 0xffffffff, 0x00000100,
 303	0x9510, 0xffffffff, 0x00000100,
 304	0x949c, 0xffffffff, 0x00000100,
 305	0x9654, 0xffffffff, 0x00000100,
 306	0x9030, 0xffffffff, 0x00000100,
 307	0x9034, 0xffffffff, 0x00000100,
 308	0x9038, 0xffffffff, 0x00000100,
 309	0x903c, 0xffffffff, 0x00000100,
 310	0x9040, 0xffffffff, 0x00000100,
 311	0xa200, 0xffffffff, 0x00000100,
 312	0xa204, 0xffffffff, 0x00000100,
 313	0xa208, 0xffffffff, 0x00000100,
 314	0xa20c, 0xffffffff, 0x00000100,
 315	0x971c, 0xffffffff, 0x00000100,
 316	0x977c, 0xffffffff, 0x00000100,
 317	0x3f80, 0xffffffff, 0x00000100,
 318	0xa210, 0xffffffff, 0x00000100,
 319	0xa214, 0xffffffff, 0x00000100,
 320	0x4d8, 0xffffffff, 0x00000100,
 321	0x9784, 0xffffffff, 0x00000100,
 322	0x9698, 0xffffffff, 0x00000100,
 323	0x4d4, 0xffffffff, 0x00000200,
 324	0x30cc, 0xffffffff, 0x00000100,
 325	0xd0c0, 0xffffffff, 0xff000100,
 326	0x802c, 0xffffffff, 0x40000000,
 327	0x915c, 0xffffffff, 0x00010000,
 328	0x9160, 0xffffffff, 0x00030002,
 329	0x9178, 0xffffffff, 0x00070000,
 330	0x917c, 0xffffffff, 0x00030002,
 331	0x9180, 0xffffffff, 0x00050004,
 332	0x918c, 0xffffffff, 0x00010006,
 333	0x9190, 0xffffffff, 0x00090008,
 334	0x9194, 0xffffffff, 0x00070000,
 335	0x9198, 0xffffffff, 0x00030002,
 336	0x919c, 0xffffffff, 0x00050004,
 337	0x91a8, 0xffffffff, 0x00010006,
 338	0x91ac, 0xffffffff, 0x00090008,
 339	0x91b0, 0xffffffff, 0x00070000,
 340	0x91b4, 0xffffffff, 0x00030002,
 341	0x91b8, 0xffffffff, 0x00050004,
 342	0x91c4, 0xffffffff, 0x00010006,
 343	0x91c8, 0xffffffff, 0x00090008,
 344	0x91cc, 0xffffffff, 0x00070000,
 345	0x91d0, 0xffffffff, 0x00030002,
 346	0x91d4, 0xffffffff, 0x00050004,
 347	0x91e0, 0xffffffff, 0x00010006,
 348	0x91e4, 0xffffffff, 0x00090008,
 349	0x91e8, 0xffffffff, 0x00000000,
 350	0x91ec, 0xffffffff, 0x00070000,
 351	0x91f0, 0xffffffff, 0x00030002,
 352	0x91f4, 0xffffffff, 0x00050004,
 353	0x9200, 0xffffffff, 0x00010006,
 354	0x9204, 0xffffffff, 0x00090008,
 355	0x9208, 0xffffffff, 0x00070000,
 356	0x920c, 0xffffffff, 0x00030002,
 357	0x9210, 0xffffffff, 0x00050004,
 358	0x921c, 0xffffffff, 0x00010006,
 359	0x9220, 0xffffffff, 0x00090008,
 360	0x9224, 0xffffffff, 0x00070000,
 361	0x9228, 0xffffffff, 0x00030002,
 362	0x922c, 0xffffffff, 0x00050004,
 363	0x9238, 0xffffffff, 0x00010006,
 364	0x923c, 0xffffffff, 0x00090008,
 365	0x9240, 0xffffffff, 0x00070000,
 366	0x9244, 0xffffffff, 0x00030002,
 367	0x9248, 0xffffffff, 0x00050004,
 368	0x9254, 0xffffffff, 0x00010006,
 369	0x9258, 0xffffffff, 0x00090008,
 370	0x925c, 0xffffffff, 0x00070000,
 371	0x9260, 0xffffffff, 0x00030002,
 372	0x9264, 0xffffffff, 0x00050004,
 373	0x9270, 0xffffffff, 0x00010006,
 374	0x9274, 0xffffffff, 0x00090008,
 375	0x9278, 0xffffffff, 0x00070000,
 376	0x927c, 0xffffffff, 0x00030002,
 377	0x9280, 0xffffffff, 0x00050004,
 378	0x928c, 0xffffffff, 0x00010006,
 379	0x9290, 0xffffffff, 0x00090008,
 380	0x9294, 0xffffffff, 0x00000000,
 381	0x929c, 0xffffffff, 0x00000001,
 382	0x802c, 0xffffffff, 0x40010000,
 383	0x915c, 0xffffffff, 0x00010000,
 384	0x9160, 0xffffffff, 0x00030002,
 385	0x9178, 0xffffffff, 0x00070000,
 386	0x917c, 0xffffffff, 0x00030002,
 387	0x9180, 0xffffffff, 0x00050004,
 388	0x918c, 0xffffffff, 0x00010006,
 389	0x9190, 0xffffffff, 0x00090008,
 390	0x9194, 0xffffffff, 0x00070000,
 391	0x9198, 0xffffffff, 0x00030002,
 392	0x919c, 0xffffffff, 0x00050004,
 393	0x91a8, 0xffffffff, 0x00010006,
 394	0x91ac, 0xffffffff, 0x00090008,
 395	0x91b0, 0xffffffff, 0x00070000,
 396	0x91b4, 0xffffffff, 0x00030002,
 397	0x91b8, 0xffffffff, 0x00050004,
 398	0x91c4, 0xffffffff, 0x00010006,
 399	0x91c8, 0xffffffff, 0x00090008,
 400	0x91cc, 0xffffffff, 0x00070000,
 401	0x91d0, 0xffffffff, 0x00030002,
 402	0x91d4, 0xffffffff, 0x00050004,
 403	0x91e0, 0xffffffff, 0x00010006,
 404	0x91e4, 0xffffffff, 0x00090008,
 405	0x91e8, 0xffffffff, 0x00000000,
 406	0x91ec, 0xffffffff, 0x00070000,
 407	0x91f0, 0xffffffff, 0x00030002,
 408	0x91f4, 0xffffffff, 0x00050004,
 409	0x9200, 0xffffffff, 0x00010006,
 410	0x9204, 0xffffffff, 0x00090008,
 411	0x9208, 0xffffffff, 0x00070000,
 412	0x920c, 0xffffffff, 0x00030002,
 413	0x9210, 0xffffffff, 0x00050004,
 414	0x921c, 0xffffffff, 0x00010006,
 415	0x9220, 0xffffffff, 0x00090008,
 416	0x9224, 0xffffffff, 0x00070000,
 417	0x9228, 0xffffffff, 0x00030002,
 418	0x922c, 0xffffffff, 0x00050004,
 419	0x9238, 0xffffffff, 0x00010006,
 420	0x923c, 0xffffffff, 0x00090008,
 421	0x9240, 0xffffffff, 0x00070000,
 422	0x9244, 0xffffffff, 0x00030002,
 423	0x9248, 0xffffffff, 0x00050004,
 424	0x9254, 0xffffffff, 0x00010006,
 425	0x9258, 0xffffffff, 0x00090008,
 426	0x925c, 0xffffffff, 0x00070000,
 427	0x9260, 0xffffffff, 0x00030002,
 428	0x9264, 0xffffffff, 0x00050004,
 429	0x9270, 0xffffffff, 0x00010006,
 430	0x9274, 0xffffffff, 0x00090008,
 431	0x9278, 0xffffffff, 0x00070000,
 432	0x927c, 0xffffffff, 0x00030002,
 433	0x9280, 0xffffffff, 0x00050004,
 434	0x928c, 0xffffffff, 0x00010006,
 435	0x9290, 0xffffffff, 0x00090008,
 436	0x9294, 0xffffffff, 0x00000000,
 437	0x929c, 0xffffffff, 0x00000001,
 438	0x802c, 0xffffffff, 0xc0000000
 439};
 440
 441static const u32 redwood_mgcg_init[] =
 442{
 443	0x802c, 0xffffffff, 0xc0000000,
 444	0x5448, 0xffffffff, 0x00000100,
 445	0x55e4, 0xffffffff, 0x00000100,
 446	0x160c, 0xffffffff, 0x00000100,
 447	0x5644, 0xffffffff, 0x00000100,
 448	0xc164, 0xffffffff, 0x00000100,
 449	0x8a18, 0xffffffff, 0x00000100,
 450	0x897c, 0xffffffff, 0x06000100,
 451	0x8b28, 0xffffffff, 0x00000100,
 452	0x9144, 0xffffffff, 0x00000100,
 453	0x9a60, 0xffffffff, 0x00000100,
 454	0x9868, 0xffffffff, 0x00000100,
 455	0x8d58, 0xffffffff, 0x00000100,
 456	0x9510, 0xffffffff, 0x00000100,
 457	0x949c, 0xffffffff, 0x00000100,
 458	0x9654, 0xffffffff, 0x00000100,
 459	0x9030, 0xffffffff, 0x00000100,
 460	0x9034, 0xffffffff, 0x00000100,
 461	0x9038, 0xffffffff, 0x00000100,
 462	0x903c, 0xffffffff, 0x00000100,
 463	0x9040, 0xffffffff, 0x00000100,
 464	0xa200, 0xffffffff, 0x00000100,
 465	0xa204, 0xffffffff, 0x00000100,
 466	0xa208, 0xffffffff, 0x00000100,
 467	0xa20c, 0xffffffff, 0x00000100,
 468	0x971c, 0xffffffff, 0x00000100,
 469	0x977c, 0xffffffff, 0x00000100,
 470	0x3f80, 0xffffffff, 0x00000100,
 471	0xa210, 0xffffffff, 0x00000100,
 472	0xa214, 0xffffffff, 0x00000100,
 473	0x4d8, 0xffffffff, 0x00000100,
 474	0x9784, 0xffffffff, 0x00000100,
 475	0x9698, 0xffffffff, 0x00000100,
 476	0x4d4, 0xffffffff, 0x00000200,
 477	0x30cc, 0xffffffff, 0x00000100,
 478	0xd0c0, 0xffffffff, 0xff000100,
 479	0x802c, 0xffffffff, 0x40000000,
 480	0x915c, 0xffffffff, 0x00010000,
 481	0x9160, 0xffffffff, 0x00030002,
 482	0x9178, 0xffffffff, 0x00070000,
 483	0x917c, 0xffffffff, 0x00030002,
 484	0x9180, 0xffffffff, 0x00050004,
 485	0x918c, 0xffffffff, 0x00010006,
 486	0x9190, 0xffffffff, 0x00090008,
 487	0x9194, 0xffffffff, 0x00070000,
 488	0x9198, 0xffffffff, 0x00030002,
 489	0x919c, 0xffffffff, 0x00050004,
 490	0x91a8, 0xffffffff, 0x00010006,
 491	0x91ac, 0xffffffff, 0x00090008,
 492	0x91b0, 0xffffffff, 0x00070000,
 493	0x91b4, 0xffffffff, 0x00030002,
 494	0x91b8, 0xffffffff, 0x00050004,
 495	0x91c4, 0xffffffff, 0x00010006,
 496	0x91c8, 0xffffffff, 0x00090008,
 497	0x91cc, 0xffffffff, 0x00070000,
 498	0x91d0, 0xffffffff, 0x00030002,
 499	0x91d4, 0xffffffff, 0x00050004,
 500	0x91e0, 0xffffffff, 0x00010006,
 501	0x91e4, 0xffffffff, 0x00090008,
 502	0x91e8, 0xffffffff, 0x00000000,
 503	0x91ec, 0xffffffff, 0x00070000,
 504	0x91f0, 0xffffffff, 0x00030002,
 505	0x91f4, 0xffffffff, 0x00050004,
 506	0x9200, 0xffffffff, 0x00010006,
 507	0x9204, 0xffffffff, 0x00090008,
 508	0x9294, 0xffffffff, 0x00000000,
 509	0x929c, 0xffffffff, 0x00000001,
 510	0x802c, 0xffffffff, 0xc0000000
 511};
 512
 513static const u32 cedar_golden_registers[] =
 514{
 515	0x3f90, 0xffff0000, 0xff000000,
 516	0x9148, 0xffff0000, 0xff000000,
 517	0x3f94, 0xffff0000, 0xff000000,
 518	0x914c, 0xffff0000, 0xff000000,
 519	0x9b7c, 0xffffffff, 0x00000000,
 520	0x8a14, 0xffffffff, 0x00000007,
 521	0x8b10, 0xffffffff, 0x00000000,
 522	0x960c, 0xffffffff, 0x54763210,
 523	0x88c4, 0xffffffff, 0x000000c2,
 524	0x88d4, 0xffffffff, 0x00000000,
 525	0x8974, 0xffffffff, 0x00000000,
 526	0xc78, 0x00000080, 0x00000080,
 527	0x5eb4, 0xffffffff, 0x00000002,
 528	0x5e78, 0xffffffff, 0x001000f0,
 529	0x6104, 0x01000300, 0x00000000,
 530	0x5bc0, 0x00300000, 0x00000000,
 531	0x7030, 0xffffffff, 0x00000011,
 532	0x7c30, 0xffffffff, 0x00000011,
 533	0x10830, 0xffffffff, 0x00000011,
 534	0x11430, 0xffffffff, 0x00000011,
 535	0xd02c, 0xffffffff, 0x08421000,
 536	0x240c, 0xffffffff, 0x00000380,
 537	0x8b24, 0xffffffff, 0x00ff0fff,
 538	0x28a4c, 0x06000000, 0x06000000,
 539	0x10c, 0x00000001, 0x00000001,
 540	0x8d00, 0xffffffff, 0x100e4848,
 541	0x8d04, 0xffffffff, 0x00164745,
 542	0x8c00, 0xffffffff, 0xe4000003,
 543	0x8c04, 0xffffffff, 0x40600060,
 544	0x8c08, 0xffffffff, 0x001c001c,
 545	0x8cf0, 0xffffffff, 0x08e00410,
 546	0x8c20, 0xffffffff, 0x00800080,
 547	0x8c24, 0xffffffff, 0x00800080,
 548	0x8c18, 0xffffffff, 0x20202078,
 549	0x8c1c, 0xffffffff, 0x00001010,
 550	0x28350, 0xffffffff, 0x00000000,
 551	0xa008, 0xffffffff, 0x00010000,
 552	0x5c4, 0xffffffff, 0x00000001,
 553	0x9508, 0xffffffff, 0x00000002
 554};
 555
 556static const u32 cedar_mgcg_init[] =
 557{
 558	0x802c, 0xffffffff, 0xc0000000,
 559	0x5448, 0xffffffff, 0x00000100,
 560	0x55e4, 0xffffffff, 0x00000100,
 561	0x160c, 0xffffffff, 0x00000100,
 562	0x5644, 0xffffffff, 0x00000100,
 563	0xc164, 0xffffffff, 0x00000100,
 564	0x8a18, 0xffffffff, 0x00000100,
 565	0x897c, 0xffffffff, 0x06000100,
 566	0x8b28, 0xffffffff, 0x00000100,
 567	0x9144, 0xffffffff, 0x00000100,
 568	0x9a60, 0xffffffff, 0x00000100,
 569	0x9868, 0xffffffff, 0x00000100,
 570	0x8d58, 0xffffffff, 0x00000100,
 571	0x9510, 0xffffffff, 0x00000100,
 572	0x949c, 0xffffffff, 0x00000100,
 573	0x9654, 0xffffffff, 0x00000100,
 574	0x9030, 0xffffffff, 0x00000100,
 575	0x9034, 0xffffffff, 0x00000100,
 576	0x9038, 0xffffffff, 0x00000100,
 577	0x903c, 0xffffffff, 0x00000100,
 578	0x9040, 0xffffffff, 0x00000100,
 579	0xa200, 0xffffffff, 0x00000100,
 580	0xa204, 0xffffffff, 0x00000100,
 581	0xa208, 0xffffffff, 0x00000100,
 582	0xa20c, 0xffffffff, 0x00000100,
 583	0x971c, 0xffffffff, 0x00000100,
 584	0x977c, 0xffffffff, 0x00000100,
 585	0x3f80, 0xffffffff, 0x00000100,
 586	0xa210, 0xffffffff, 0x00000100,
 587	0xa214, 0xffffffff, 0x00000100,
 588	0x4d8, 0xffffffff, 0x00000100,
 589	0x9784, 0xffffffff, 0x00000100,
 590	0x9698, 0xffffffff, 0x00000100,
 591	0x4d4, 0xffffffff, 0x00000200,
 592	0x30cc, 0xffffffff, 0x00000100,
 593	0xd0c0, 0xffffffff, 0xff000100,
 594	0x802c, 0xffffffff, 0x40000000,
 595	0x915c, 0xffffffff, 0x00010000,
 596	0x9178, 0xffffffff, 0x00050000,
 597	0x917c, 0xffffffff, 0x00030002,
 598	0x918c, 0xffffffff, 0x00010004,
 599	0x9190, 0xffffffff, 0x00070006,
 600	0x9194, 0xffffffff, 0x00050000,
 601	0x9198, 0xffffffff, 0x00030002,
 602	0x91a8, 0xffffffff, 0x00010004,
 603	0x91ac, 0xffffffff, 0x00070006,
 604	0x91e8, 0xffffffff, 0x00000000,
 605	0x9294, 0xffffffff, 0x00000000,
 606	0x929c, 0xffffffff, 0x00000001,
 607	0x802c, 0xffffffff, 0xc0000000
 608};
 609
 610static const u32 juniper_mgcg_init[] =
 611{
 612	0x802c, 0xffffffff, 0xc0000000,
 613	0x5448, 0xffffffff, 0x00000100,
 614	0x55e4, 0xffffffff, 0x00000100,
 615	0x160c, 0xffffffff, 0x00000100,
 616	0x5644, 0xffffffff, 0x00000100,
 617	0xc164, 0xffffffff, 0x00000100,
 618	0x8a18, 0xffffffff, 0x00000100,
 619	0x897c, 0xffffffff, 0x06000100,
 620	0x8b28, 0xffffffff, 0x00000100,
 621	0x9144, 0xffffffff, 0x00000100,
 622	0x9a60, 0xffffffff, 0x00000100,
 623	0x9868, 0xffffffff, 0x00000100,
 624	0x8d58, 0xffffffff, 0x00000100,
 625	0x9510, 0xffffffff, 0x00000100,
 626	0x949c, 0xffffffff, 0x00000100,
 627	0x9654, 0xffffffff, 0x00000100,
 628	0x9030, 0xffffffff, 0x00000100,
 629	0x9034, 0xffffffff, 0x00000100,
 630	0x9038, 0xffffffff, 0x00000100,
 631	0x903c, 0xffffffff, 0x00000100,
 632	0x9040, 0xffffffff, 0x00000100,
 633	0xa200, 0xffffffff, 0x00000100,
 634	0xa204, 0xffffffff, 0x00000100,
 635	0xa208, 0xffffffff, 0x00000100,
 636	0xa20c, 0xffffffff, 0x00000100,
 637	0x971c, 0xffffffff, 0x00000100,
 638	0xd0c0, 0xffffffff, 0xff000100,
 639	0x802c, 0xffffffff, 0x40000000,
 640	0x915c, 0xffffffff, 0x00010000,
 641	0x9160, 0xffffffff, 0x00030002,
 642	0x9178, 0xffffffff, 0x00070000,
 643	0x917c, 0xffffffff, 0x00030002,
 644	0x9180, 0xffffffff, 0x00050004,
 645	0x918c, 0xffffffff, 0x00010006,
 646	0x9190, 0xffffffff, 0x00090008,
 647	0x9194, 0xffffffff, 0x00070000,
 648	0x9198, 0xffffffff, 0x00030002,
 649	0x919c, 0xffffffff, 0x00050004,
 650	0x91a8, 0xffffffff, 0x00010006,
 651	0x91ac, 0xffffffff, 0x00090008,
 652	0x91b0, 0xffffffff, 0x00070000,
 653	0x91b4, 0xffffffff, 0x00030002,
 654	0x91b8, 0xffffffff, 0x00050004,
 655	0x91c4, 0xffffffff, 0x00010006,
 656	0x91c8, 0xffffffff, 0x00090008,
 657	0x91cc, 0xffffffff, 0x00070000,
 658	0x91d0, 0xffffffff, 0x00030002,
 659	0x91d4, 0xffffffff, 0x00050004,
 660	0x91e0, 0xffffffff, 0x00010006,
 661	0x91e4, 0xffffffff, 0x00090008,
 662	0x91e8, 0xffffffff, 0x00000000,
 663	0x91ec, 0xffffffff, 0x00070000,
 664	0x91f0, 0xffffffff, 0x00030002,
 665	0x91f4, 0xffffffff, 0x00050004,
 666	0x9200, 0xffffffff, 0x00010006,
 667	0x9204, 0xffffffff, 0x00090008,
 668	0x9208, 0xffffffff, 0x00070000,
 669	0x920c, 0xffffffff, 0x00030002,
 670	0x9210, 0xffffffff, 0x00050004,
 671	0x921c, 0xffffffff, 0x00010006,
 672	0x9220, 0xffffffff, 0x00090008,
 673	0x9224, 0xffffffff, 0x00070000,
 674	0x9228, 0xffffffff, 0x00030002,
 675	0x922c, 0xffffffff, 0x00050004,
 676	0x9238, 0xffffffff, 0x00010006,
 677	0x923c, 0xffffffff, 0x00090008,
 678	0x9240, 0xffffffff, 0x00070000,
 679	0x9244, 0xffffffff, 0x00030002,
 680	0x9248, 0xffffffff, 0x00050004,
 681	0x9254, 0xffffffff, 0x00010006,
 682	0x9258, 0xffffffff, 0x00090008,
 683	0x925c, 0xffffffff, 0x00070000,
 684	0x9260, 0xffffffff, 0x00030002,
 685	0x9264, 0xffffffff, 0x00050004,
 686	0x9270, 0xffffffff, 0x00010006,
 687	0x9274, 0xffffffff, 0x00090008,
 688	0x9278, 0xffffffff, 0x00070000,
 689	0x927c, 0xffffffff, 0x00030002,
 690	0x9280, 0xffffffff, 0x00050004,
 691	0x928c, 0xffffffff, 0x00010006,
 692	0x9290, 0xffffffff, 0x00090008,
 693	0x9294, 0xffffffff, 0x00000000,
 694	0x929c, 0xffffffff, 0x00000001,
 695	0x802c, 0xffffffff, 0xc0000000,
 696	0x977c, 0xffffffff, 0x00000100,
 697	0x3f80, 0xffffffff, 0x00000100,
 698	0xa210, 0xffffffff, 0x00000100,
 699	0xa214, 0xffffffff, 0x00000100,
 700	0x4d8, 0xffffffff, 0x00000100,
 701	0x9784, 0xffffffff, 0x00000100,
 702	0x9698, 0xffffffff, 0x00000100,
 703	0x4d4, 0xffffffff, 0x00000200,
 704	0x30cc, 0xffffffff, 0x00000100,
 705	0x802c, 0xffffffff, 0xc0000000
 706};
 707
 708static const u32 supersumo_golden_registers[] =
 709{
 710	0x5eb4, 0xffffffff, 0x00000002,
 711	0x5c4, 0xffffffff, 0x00000001,
 712	0x7030, 0xffffffff, 0x00000011,
 713	0x7c30, 0xffffffff, 0x00000011,
 714	0x6104, 0x01000300, 0x00000000,
 715	0x5bc0, 0x00300000, 0x00000000,
 716	0x8c04, 0xffffffff, 0x40600060,
 717	0x8c08, 0xffffffff, 0x001c001c,
 718	0x8c20, 0xffffffff, 0x00800080,
 719	0x8c24, 0xffffffff, 0x00800080,
 720	0x8c18, 0xffffffff, 0x20202078,
 721	0x8c1c, 0xffffffff, 0x00001010,
 722	0x918c, 0xffffffff, 0x00010006,
 723	0x91a8, 0xffffffff, 0x00010006,
 724	0x91c4, 0xffffffff, 0x00010006,
 725	0x91e0, 0xffffffff, 0x00010006,
 726	0x9200, 0xffffffff, 0x00010006,
 727	0x9150, 0xffffffff, 0x6e944040,
 728	0x917c, 0xffffffff, 0x00030002,
 729	0x9180, 0xffffffff, 0x00050004,
 730	0x9198, 0xffffffff, 0x00030002,
 731	0x919c, 0xffffffff, 0x00050004,
 732	0x91b4, 0xffffffff, 0x00030002,
 733	0x91b8, 0xffffffff, 0x00050004,
 734	0x91d0, 0xffffffff, 0x00030002,
 735	0x91d4, 0xffffffff, 0x00050004,
 736	0x91f0, 0xffffffff, 0x00030002,
 737	0x91f4, 0xffffffff, 0x00050004,
 738	0x915c, 0xffffffff, 0x00010000,
 739	0x9160, 0xffffffff, 0x00030002,
 740	0x3f90, 0xffff0000, 0xff000000,
 741	0x9178, 0xffffffff, 0x00070000,
 742	0x9194, 0xffffffff, 0x00070000,
 743	0x91b0, 0xffffffff, 0x00070000,
 744	0x91cc, 0xffffffff, 0x00070000,
 745	0x91ec, 0xffffffff, 0x00070000,
 746	0x9148, 0xffff0000, 0xff000000,
 747	0x9190, 0xffffffff, 0x00090008,
 748	0x91ac, 0xffffffff, 0x00090008,
 749	0x91c8, 0xffffffff, 0x00090008,
 750	0x91e4, 0xffffffff, 0x00090008,
 751	0x9204, 0xffffffff, 0x00090008,
 752	0x3f94, 0xffff0000, 0xff000000,
 753	0x914c, 0xffff0000, 0xff000000,
 754	0x929c, 0xffffffff, 0x00000001,
 755	0x8a18, 0xffffffff, 0x00000100,
 756	0x8b28, 0xffffffff, 0x00000100,
 757	0x9144, 0xffffffff, 0x00000100,
 758	0x5644, 0xffffffff, 0x00000100,
 759	0x9b7c, 0xffffffff, 0x00000000,
 760	0x8030, 0xffffffff, 0x0000100a,
 761	0x8a14, 0xffffffff, 0x00000007,
 762	0x8b24, 0xffffffff, 0x00ff0fff,
 763	0x8b10, 0xffffffff, 0x00000000,
 764	0x28a4c, 0x06000000, 0x06000000,
 765	0x4d8, 0xffffffff, 0x00000100,
 766	0x913c, 0xffff000f, 0x0100000a,
 767	0x960c, 0xffffffff, 0x54763210,
 768	0x88c4, 0xffffffff, 0x000000c2,
 769	0x88d4, 0xffffffff, 0x00000010,
 770	0x8974, 0xffffffff, 0x00000000,
 771	0xc78, 0x00000080, 0x00000080,
 772	0x5e78, 0xffffffff, 0x001000f0,
 773	0xd02c, 0xffffffff, 0x08421000,
 774	0xa008, 0xffffffff, 0x00010000,
 775	0x8d00, 0xffffffff, 0x100e4848,
 776	0x8d04, 0xffffffff, 0x00164745,
 777	0x8c00, 0xffffffff, 0xe4000003,
 778	0x8cf0, 0x1fffffff, 0x08e00620,
 779	0x28350, 0xffffffff, 0x00000000,
 780	0x9508, 0xffffffff, 0x00000002
 781};
 782
 783static const u32 sumo_golden_registers[] =
 784{
 785	0x900c, 0x00ffffff, 0x0017071f,
 786	0x8c18, 0xffffffff, 0x10101060,
 787	0x8c1c, 0xffffffff, 0x00001010,
 788	0x8c30, 0x0000000f, 0x00000005,
 789	0x9688, 0x0000000f, 0x00000007
 790};
 791
 792static const u32 wrestler_golden_registers[] =
 793{
 794	0x5eb4, 0xffffffff, 0x00000002,
 795	0x5c4, 0xffffffff, 0x00000001,
 796	0x7030, 0xffffffff, 0x00000011,
 797	0x7c30, 0xffffffff, 0x00000011,
 798	0x6104, 0x01000300, 0x00000000,
 799	0x5bc0, 0x00300000, 0x00000000,
 800	0x918c, 0xffffffff, 0x00010006,
 801	0x91a8, 0xffffffff, 0x00010006,
 802	0x9150, 0xffffffff, 0x6e944040,
 803	0x917c, 0xffffffff, 0x00030002,
 804	0x9198, 0xffffffff, 0x00030002,
 805	0x915c, 0xffffffff, 0x00010000,
 806	0x3f90, 0xffff0000, 0xff000000,
 807	0x9178, 0xffffffff, 0x00070000,
 808	0x9194, 0xffffffff, 0x00070000,
 809	0x9148, 0xffff0000, 0xff000000,
 810	0x9190, 0xffffffff, 0x00090008,
 811	0x91ac, 0xffffffff, 0x00090008,
 812	0x3f94, 0xffff0000, 0xff000000,
 813	0x914c, 0xffff0000, 0xff000000,
 814	0x929c, 0xffffffff, 0x00000001,
 815	0x8a18, 0xffffffff, 0x00000100,
 816	0x8b28, 0xffffffff, 0x00000100,
 817	0x9144, 0xffffffff, 0x00000100,
 818	0x9b7c, 0xffffffff, 0x00000000,
 819	0x8030, 0xffffffff, 0x0000100a,
 820	0x8a14, 0xffffffff, 0x00000001,
 821	0x8b24, 0xffffffff, 0x00ff0fff,
 822	0x8b10, 0xffffffff, 0x00000000,
 823	0x28a4c, 0x06000000, 0x06000000,
 824	0x4d8, 0xffffffff, 0x00000100,
 825	0x913c, 0xffff000f, 0x0100000a,
 826	0x960c, 0xffffffff, 0x54763210,
 827	0x88c4, 0xffffffff, 0x000000c2,
 828	0x88d4, 0xffffffff, 0x00000010,
 829	0x8974, 0xffffffff, 0x00000000,
 830	0xc78, 0x00000080, 0x00000080,
 831	0x5e78, 0xffffffff, 0x001000f0,
 832	0xd02c, 0xffffffff, 0x08421000,
 833	0xa008, 0xffffffff, 0x00010000,
 834	0x8d00, 0xffffffff, 0x100e4848,
 835	0x8d04, 0xffffffff, 0x00164745,
 836	0x8c00, 0xffffffff, 0xe4000003,
 837	0x8cf0, 0x1fffffff, 0x08e00410,
 838	0x28350, 0xffffffff, 0x00000000,
 839	0x9508, 0xffffffff, 0x00000002,
 840	0x900c, 0xffffffff, 0x0017071f,
 841	0x8c18, 0xffffffff, 0x10101060,
 842	0x8c1c, 0xffffffff, 0x00001010
 843};
 844
 845static const u32 barts_golden_registers[] =
 846{
 847	0x5eb4, 0xffffffff, 0x00000002,
 848	0x5e78, 0x8f311ff1, 0x001000f0,
 849	0x3f90, 0xffff0000, 0xff000000,
 850	0x9148, 0xffff0000, 0xff000000,
 851	0x3f94, 0xffff0000, 0xff000000,
 852	0x914c, 0xffff0000, 0xff000000,
 853	0xc78, 0x00000080, 0x00000080,
 854	0xbd4, 0x70073777, 0x00010001,
 855	0xd02c, 0xbfffff1f, 0x08421000,
 856	0xd0b8, 0x03773777, 0x02011003,
 857	0x5bc0, 0x00200000, 0x50100000,
 858	0x98f8, 0x33773777, 0x02011003,
 859	0x98fc, 0xffffffff, 0x76543210,
 860	0x7030, 0x31000311, 0x00000011,
 861	0x2f48, 0x00000007, 0x02011003,
 862	0x6b28, 0x00000010, 0x00000012,
 863	0x7728, 0x00000010, 0x00000012,
 864	0x10328, 0x00000010, 0x00000012,
 865	0x10f28, 0x00000010, 0x00000012,
 866	0x11b28, 0x00000010, 0x00000012,
 867	0x12728, 0x00000010, 0x00000012,
 868	0x240c, 0x000007ff, 0x00000380,
 869	0x8a14, 0xf000001f, 0x00000007,
 870	0x8b24, 0x3fff3fff, 0x00ff0fff,
 871	0x8b10, 0x0000ff0f, 0x00000000,
 872	0x28a4c, 0x07ffffff, 0x06000000,
 873	0x10c, 0x00000001, 0x00010003,
 874	0xa02c, 0xffffffff, 0x0000009b,
 875	0x913c, 0x0000000f, 0x0100000a,
 876	0x8d00, 0xffff7f7f, 0x100e4848,
 877	0x8d04, 0x00ffffff, 0x00164745,
 878	0x8c00, 0xfffc0003, 0xe4000003,
 879	0x8c04, 0xf8ff00ff, 0x40600060,
 880	0x8c08, 0x00ff00ff, 0x001c001c,
 881	0x8cf0, 0x1fff1fff, 0x08e00620,
 882	0x8c20, 0x0fff0fff, 0x00800080,
 883	0x8c24, 0x0fff0fff, 0x00800080,
 884	0x8c18, 0xffffffff, 0x20202078,
 885	0x8c1c, 0x0000ffff, 0x00001010,
 886	0x28350, 0x00000f01, 0x00000000,
 887	0x9508, 0x3700001f, 0x00000002,
 888	0x960c, 0xffffffff, 0x54763210,
 889	0x88c4, 0x001f3ae3, 0x000000c2,
 890	0x88d4, 0x0000001f, 0x00000010,
 891	0x8974, 0xffffffff, 0x00000000
 892};
 893
 894static const u32 turks_golden_registers[] =
 895{
 896	0x5eb4, 0xffffffff, 0x00000002,
 897	0x5e78, 0x8f311ff1, 0x001000f0,
 898	0x8c8, 0x00003000, 0x00001070,
 899	0x8cc, 0x000fffff, 0x00040035,
 900	0x3f90, 0xffff0000, 0xfff00000,
 901	0x9148, 0xffff0000, 0xfff00000,
 902	0x3f94, 0xffff0000, 0xfff00000,
 903	0x914c, 0xffff0000, 0xfff00000,
 904	0xc78, 0x00000080, 0x00000080,
 905	0xbd4, 0x00073007, 0x00010002,
 906	0xd02c, 0xbfffff1f, 0x08421000,
 907	0xd0b8, 0x03773777, 0x02010002,
 908	0x5bc0, 0x00200000, 0x50100000,
 909	0x98f8, 0x33773777, 0x00010002,
 910	0x98fc, 0xffffffff, 0x33221100,
 911	0x7030, 0x31000311, 0x00000011,
 912	0x2f48, 0x33773777, 0x00010002,
 913	0x6b28, 0x00000010, 0x00000012,
 914	0x7728, 0x00000010, 0x00000012,
 915	0x10328, 0x00000010, 0x00000012,
 916	0x10f28, 0x00000010, 0x00000012,
 917	0x11b28, 0x00000010, 0x00000012,
 918	0x12728, 0x00000010, 0x00000012,
 919	0x240c, 0x000007ff, 0x00000380,
 920	0x8a14, 0xf000001f, 0x00000007,
 921	0x8b24, 0x3fff3fff, 0x00ff0fff,
 922	0x8b10, 0x0000ff0f, 0x00000000,
 923	0x28a4c, 0x07ffffff, 0x06000000,
 924	0x10c, 0x00000001, 0x00010003,
 925	0xa02c, 0xffffffff, 0x0000009b,
 926	0x913c, 0x0000000f, 0x0100000a,
 927	0x8d00, 0xffff7f7f, 0x100e4848,
 928	0x8d04, 0x00ffffff, 0x00164745,
 929	0x8c00, 0xfffc0003, 0xe4000003,
 930	0x8c04, 0xf8ff00ff, 0x40600060,
 931	0x8c08, 0x00ff00ff, 0x001c001c,
 932	0x8cf0, 0x1fff1fff, 0x08e00410,
 933	0x8c20, 0x0fff0fff, 0x00800080,
 934	0x8c24, 0x0fff0fff, 0x00800080,
 935	0x8c18, 0xffffffff, 0x20202078,
 936	0x8c1c, 0x0000ffff, 0x00001010,
 937	0x28350, 0x00000f01, 0x00000000,
 938	0x9508, 0x3700001f, 0x00000002,
 939	0x960c, 0xffffffff, 0x54763210,
 940	0x88c4, 0x001f3ae3, 0x000000c2,
 941	0x88d4, 0x0000001f, 0x00000010,
 942	0x8974, 0xffffffff, 0x00000000
 943};
 944
 945static const u32 caicos_golden_registers[] =
 946{
 947	0x5eb4, 0xffffffff, 0x00000002,
 948	0x5e78, 0x8f311ff1, 0x001000f0,
 949	0x8c8, 0x00003420, 0x00001450,
 950	0x8cc, 0x000fffff, 0x00040035,
 951	0x3f90, 0xffff0000, 0xfffc0000,
 952	0x9148, 0xffff0000, 0xfffc0000,
 953	0x3f94, 0xffff0000, 0xfffc0000,
 954	0x914c, 0xffff0000, 0xfffc0000,
 955	0xc78, 0x00000080, 0x00000080,
 956	0xbd4, 0x00073007, 0x00010001,
 957	0xd02c, 0xbfffff1f, 0x08421000,
 958	0xd0b8, 0x03773777, 0x02010001,
 959	0x5bc0, 0x00200000, 0x50100000,
 960	0x98f8, 0x33773777, 0x02010001,
 961	0x98fc, 0xffffffff, 0x33221100,
 962	0x7030, 0x31000311, 0x00000011,
 963	0x2f48, 0x33773777, 0x02010001,
 964	0x6b28, 0x00000010, 0x00000012,
 965	0x7728, 0x00000010, 0x00000012,
 966	0x10328, 0x00000010, 0x00000012,
 967	0x10f28, 0x00000010, 0x00000012,
 968	0x11b28, 0x00000010, 0x00000012,
 969	0x12728, 0x00000010, 0x00000012,
 970	0x240c, 0x000007ff, 0x00000380,
 971	0x8a14, 0xf000001f, 0x00000001,
 972	0x8b24, 0x3fff3fff, 0x00ff0fff,
 973	0x8b10, 0x0000ff0f, 0x00000000,
 974	0x28a4c, 0x07ffffff, 0x06000000,
 975	0x10c, 0x00000001, 0x00010003,
 976	0xa02c, 0xffffffff, 0x0000009b,
 977	0x913c, 0x0000000f, 0x0100000a,
 978	0x8d00, 0xffff7f7f, 0x100e4848,
 979	0x8d04, 0x00ffffff, 0x00164745,
 980	0x8c00, 0xfffc0003, 0xe4000003,
 981	0x8c04, 0xf8ff00ff, 0x40600060,
 982	0x8c08, 0x00ff00ff, 0x001c001c,
 983	0x8cf0, 0x1fff1fff, 0x08e00410,
 984	0x8c20, 0x0fff0fff, 0x00800080,
 985	0x8c24, 0x0fff0fff, 0x00800080,
 986	0x8c18, 0xffffffff, 0x20202078,
 987	0x8c1c, 0x0000ffff, 0x00001010,
 988	0x28350, 0x00000f01, 0x00000000,
 989	0x9508, 0x3700001f, 0x00000002,
 990	0x960c, 0xffffffff, 0x54763210,
 991	0x88c4, 0x001f3ae3, 0x000000c2,
 992	0x88d4, 0x0000001f, 0x00000010,
 993	0x8974, 0xffffffff, 0x00000000
 994};
 995
 996static void evergreen_init_golden_registers(struct radeon_device *rdev)
 997{
 998	switch (rdev->family) {
 999	case CHIP_CYPRESS:
1000	case CHIP_HEMLOCK:
1001		radeon_program_register_sequence(rdev,
1002						 evergreen_golden_registers,
1003						 (const u32)ARRAY_SIZE(evergreen_golden_registers));
1004		radeon_program_register_sequence(rdev,
1005						 evergreen_golden_registers2,
1006						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1007		radeon_program_register_sequence(rdev,
1008						 cypress_mgcg_init,
1009						 (const u32)ARRAY_SIZE(cypress_mgcg_init));
1010		break;
1011	case CHIP_JUNIPER:
1012		radeon_program_register_sequence(rdev,
1013						 evergreen_golden_registers,
1014						 (const u32)ARRAY_SIZE(evergreen_golden_registers));
1015		radeon_program_register_sequence(rdev,
1016						 evergreen_golden_registers2,
1017						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1018		radeon_program_register_sequence(rdev,
1019						 juniper_mgcg_init,
1020						 (const u32)ARRAY_SIZE(juniper_mgcg_init));
1021		break;
1022	case CHIP_REDWOOD:
1023		radeon_program_register_sequence(rdev,
1024						 evergreen_golden_registers,
1025						 (const u32)ARRAY_SIZE(evergreen_golden_registers));
1026		radeon_program_register_sequence(rdev,
1027						 evergreen_golden_registers2,
1028						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1029		radeon_program_register_sequence(rdev,
1030						 redwood_mgcg_init,
1031						 (const u32)ARRAY_SIZE(redwood_mgcg_init));
1032		break;
1033	case CHIP_CEDAR:
1034		radeon_program_register_sequence(rdev,
1035						 cedar_golden_registers,
1036						 (const u32)ARRAY_SIZE(cedar_golden_registers));
1037		radeon_program_register_sequence(rdev,
1038						 evergreen_golden_registers2,
1039						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1040		radeon_program_register_sequence(rdev,
1041						 cedar_mgcg_init,
1042						 (const u32)ARRAY_SIZE(cedar_mgcg_init));
1043		break;
1044	case CHIP_PALM:
1045		radeon_program_register_sequence(rdev,
1046						 wrestler_golden_registers,
1047						 (const u32)ARRAY_SIZE(wrestler_golden_registers));
1048		break;
1049	case CHIP_SUMO:
1050		radeon_program_register_sequence(rdev,
1051						 supersumo_golden_registers,
1052						 (const u32)ARRAY_SIZE(supersumo_golden_registers));
1053		break;
1054	case CHIP_SUMO2:
1055		radeon_program_register_sequence(rdev,
1056						 supersumo_golden_registers,
1057						 (const u32)ARRAY_SIZE(supersumo_golden_registers));
1058		radeon_program_register_sequence(rdev,
1059						 sumo_golden_registers,
1060						 (const u32)ARRAY_SIZE(sumo_golden_registers));
1061		break;
1062	case CHIP_BARTS:
1063		radeon_program_register_sequence(rdev,
1064						 barts_golden_registers,
1065						 (const u32)ARRAY_SIZE(barts_golden_registers));
1066		break;
1067	case CHIP_TURKS:
1068		radeon_program_register_sequence(rdev,
1069						 turks_golden_registers,
1070						 (const u32)ARRAY_SIZE(turks_golden_registers));
1071		break;
1072	case CHIP_CAICOS:
1073		radeon_program_register_sequence(rdev,
1074						 caicos_golden_registers,
1075						 (const u32)ARRAY_SIZE(caicos_golden_registers));
1076		break;
1077	default:
1078		break;
1079	}
1080}
1081
1082/**
1083 * evergreen_get_allowed_info_register - fetch the register for the info ioctl
1084 *
1085 * @rdev: radeon_device pointer
1086 * @reg: register offset in bytes
1087 * @val: register value
1088 *
1089 * Returns 0 for success or -EINVAL for an invalid register
1090 *
1091 */
1092int evergreen_get_allowed_info_register(struct radeon_device *rdev,
1093					u32 reg, u32 *val)
1094{
1095	switch (reg) {
1096	case GRBM_STATUS:
1097	case GRBM_STATUS_SE0:
1098	case GRBM_STATUS_SE1:
1099	case SRBM_STATUS:
1100	case SRBM_STATUS2:
1101	case DMA_STATUS_REG:
1102	case UVD_STATUS:
1103		*val = RREG32(reg);
1104		return 0;
1105	default:
1106		return -EINVAL;
1107	}
1108}
1109
1110void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
1111			     unsigned *bankh, unsigned *mtaspect,
1112			     unsigned *tile_split)
1113{
1114	*bankw = (tiling_flags >> RADEON_TILING_EG_BANKW_SHIFT) & RADEON_TILING_EG_BANKW_MASK;
1115	*bankh = (tiling_flags >> RADEON_TILING_EG_BANKH_SHIFT) & RADEON_TILING_EG_BANKH_MASK;
1116	*mtaspect = (tiling_flags >> RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT) & RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK;
1117	*tile_split = (tiling_flags >> RADEON_TILING_EG_TILE_SPLIT_SHIFT) & RADEON_TILING_EG_TILE_SPLIT_MASK;
1118	switch (*bankw) {
1119	default:
1120	case 1: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_1; break;
1121	case 2: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_2; break;
1122	case 4: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_4; break;
1123	case 8: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_8; break;
1124	}
1125	switch (*bankh) {
1126	default:
1127	case 1: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_1; break;
1128	case 2: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_2; break;
1129	case 4: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_4; break;
1130	case 8: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_8; break;
1131	}
1132	switch (*mtaspect) {
1133	default:
1134	case 1: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_1; break;
1135	case 2: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_2; break;
1136	case 4: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_4; break;
1137	case 8: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_8; break;
1138	}
1139}
1140
1141static int sumo_set_uvd_clock(struct radeon_device *rdev, u32 clock,
1142			      u32 cntl_reg, u32 status_reg)
1143{
1144	int r, i;
1145	struct atom_clock_dividers dividers;
1146
1147	r = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
1148					   clock, false, &dividers);
1149	if (r)
1150		return r;
1151
1152	WREG32_P(cntl_reg, dividers.post_div, ~(DCLK_DIR_CNTL_EN|DCLK_DIVIDER_MASK));
1153
1154	for (i = 0; i < 100; i++) {
1155		if (RREG32(status_reg) & DCLK_STATUS)
1156			break;
1157		mdelay(10);
1158	}
1159	if (i == 100)
1160		return -ETIMEDOUT;
1161
1162	return 0;
1163}
1164
1165int sumo_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
1166{
1167	int r = 0;
1168	u32 cg_scratch = RREG32(CG_SCRATCH1);
1169
1170	r = sumo_set_uvd_clock(rdev, vclk, CG_VCLK_CNTL, CG_VCLK_STATUS);
1171	if (r)
1172		goto done;
1173	cg_scratch &= 0xffff0000;
1174	cg_scratch |= vclk / 100; /* Mhz */
1175
1176	r = sumo_set_uvd_clock(rdev, dclk, CG_DCLK_CNTL, CG_DCLK_STATUS);
1177	if (r)
1178		goto done;
1179	cg_scratch &= 0x0000ffff;
1180	cg_scratch |= (dclk / 100) << 16; /* Mhz */
1181
1182done:
1183	WREG32(CG_SCRATCH1, cg_scratch);
1184
1185	return r;
1186}
1187
1188int evergreen_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
1189{
1190	/* start off with something large */
1191	unsigned fb_div = 0, vclk_div = 0, dclk_div = 0;
1192	int r;
1193
1194	/* bypass vclk and dclk with bclk */
1195	WREG32_P(CG_UPLL_FUNC_CNTL_2,
1196		VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
1197		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
1198
1199	/* put PLL in bypass mode */
1200	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~UPLL_BYPASS_EN_MASK);
1201
1202	if (!vclk || !dclk) {
1203		/* keep the Bypass mode, put PLL to sleep */
1204		WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
1205		return 0;
1206	}
1207
1208	r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 125000, 250000,
1209					  16384, 0x03FFFFFF, 0, 128, 5,
1210					  &fb_div, &vclk_div, &dclk_div);
1211	if (r)
1212		return r;
1213
1214	/* set VCO_MODE to 1 */
1215	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_VCO_MODE_MASK, ~UPLL_VCO_MODE_MASK);
1216
1217	/* toggle UPLL_SLEEP to 1 then back to 0 */
1218	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
1219	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_SLEEP_MASK);
1220
1221	/* deassert UPLL_RESET */
1222	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
1223
1224	mdelay(1);
1225
1226	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
1227	if (r)
1228		return r;
1229
1230	/* assert UPLL_RESET again */
1231	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
1232
1233	/* disable spread spectrum. */
1234	WREG32_P(CG_UPLL_SPREAD_SPECTRUM, 0, ~SSEN_MASK);
1235
1236	/* set feedback divider */
1237	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(fb_div), ~UPLL_FB_DIV_MASK);
1238
1239	/* set ref divider to 0 */
1240	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_REF_DIV_MASK);
1241
1242	if (fb_div < 307200)
1243		WREG32_P(CG_UPLL_FUNC_CNTL_4, 0, ~UPLL_SPARE_ISPARE9);
1244	else
1245		WREG32_P(CG_UPLL_FUNC_CNTL_4, UPLL_SPARE_ISPARE9, ~UPLL_SPARE_ISPARE9);
1246
1247	/* set PDIV_A and PDIV_B */
1248	WREG32_P(CG_UPLL_FUNC_CNTL_2,
1249		UPLL_PDIV_A(vclk_div) | UPLL_PDIV_B(dclk_div),
1250		~(UPLL_PDIV_A_MASK | UPLL_PDIV_B_MASK));
1251
1252	/* give the PLL some time to settle */
1253	mdelay(15);
1254
1255	/* deassert PLL_RESET */
1256	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
1257
1258	mdelay(15);
1259
1260	/* switch from bypass mode to normal mode */
1261	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
1262
1263	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
1264	if (r)
1265		return r;
1266
1267	/* switch VCLK and DCLK selection */
1268	WREG32_P(CG_UPLL_FUNC_CNTL_2,
1269		VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
1270		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
1271
1272	mdelay(100);
1273
1274	return 0;
1275}
1276
1277void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
1278{
1279	int readrq;
1280	u16 v;
1281
1282	readrq = pcie_get_readrq(rdev->pdev);
1283	v = ffs(readrq) - 8;
1284	/* if bios or OS sets MAX_READ_REQUEST_SIZE to an invalid value, fix it
1285	 * to avoid hangs or perfomance issues
1286	 */
1287	if ((v == 0) || (v == 6) || (v == 7))
1288		pcie_set_readrq(rdev->pdev, 512);
1289}
1290
1291void dce4_program_fmt(struct drm_encoder *encoder)
1292{
1293	struct drm_device *dev = encoder->dev;
1294	struct radeon_device *rdev = dev->dev_private;
1295	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1296	struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
1297	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
1298	int bpc = 0;
1299	u32 tmp = 0;
1300	enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
1301
1302	if (connector) {
1303		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1304		bpc = radeon_get_monitor_bpc(connector);
1305		dither = radeon_connector->dither;
1306	}
1307
1308	/* LVDS/eDP FMT is set up by atom */
1309	if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
1310		return;
1311
1312	/* not needed for analog */
1313	if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
1314	    (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
1315		return;
1316
1317	if (bpc == 0)
1318		return;
1319
1320	switch (bpc) {
1321	case 6:
1322		if (dither == RADEON_FMT_DITHER_ENABLE)
1323			/* XXX sort out optimal dither settings */
1324			tmp |= (FMT_FRAME_RANDOM_ENABLE | FMT_HIGHPASS_RANDOM_ENABLE |
1325				FMT_SPATIAL_DITHER_EN);
1326		else
1327			tmp |= FMT_TRUNCATE_EN;
1328		break;
1329	case 8:
1330		if (dither == RADEON_FMT_DITHER_ENABLE)
1331			/* XXX sort out optimal dither settings */
1332			tmp |= (FMT_FRAME_RANDOM_ENABLE | FMT_HIGHPASS_RANDOM_ENABLE |
1333				FMT_RGB_RANDOM_ENABLE |
1334				FMT_SPATIAL_DITHER_EN | FMT_SPATIAL_DITHER_DEPTH);
1335		else
1336			tmp |= (FMT_TRUNCATE_EN | FMT_TRUNCATE_DEPTH);
1337		break;
1338	case 10:
1339	default:
1340		/* not needed */
1341		break;
1342	}
1343
1344	WREG32(FMT_BIT_DEPTH_CONTROL + radeon_crtc->crtc_offset, tmp);
1345}
1346
1347static bool dce4_is_in_vblank(struct radeon_device *rdev, int crtc)
1348{
1349	if (RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK)
1350		return true;
1351	else
1352		return false;
1353}
1354
1355static bool dce4_is_counter_moving(struct radeon_device *rdev, int crtc)
1356{
1357	u32 pos1, pos2;
1358
1359	pos1 = RREG32(EVERGREEN_CRTC_STATUS_POSITION + crtc_offsets[crtc]);
1360	pos2 = RREG32(EVERGREEN_CRTC_STATUS_POSITION + crtc_offsets[crtc]);
1361
1362	if (pos1 != pos2)
1363		return true;
1364	else
1365		return false;
1366}
1367
1368/**
1369 * dce4_wait_for_vblank - vblank wait asic callback.
1370 *
1371 * @rdev: radeon_device pointer
1372 * @crtc: crtc to wait for vblank on
1373 *
1374 * Wait for vblank on the requested crtc (evergreen+).
1375 */
1376void dce4_wait_for_vblank(struct radeon_device *rdev, int crtc)
1377{
1378	unsigned i = 0;
1379
1380	if (crtc >= rdev->num_crtc)
1381		return;
1382
1383	if (!(RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[crtc]) & EVERGREEN_CRTC_MASTER_EN))
1384		return;
1385
1386	/* depending on when we hit vblank, we may be close to active; if so,
1387	 * wait for another frame.
1388	 */
1389	while (dce4_is_in_vblank(rdev, crtc)) {
1390		if (i++ % 100 == 0) {
1391			if (!dce4_is_counter_moving(rdev, crtc))
1392				break;
1393		}
1394	}
1395
1396	while (!dce4_is_in_vblank(rdev, crtc)) {
1397		if (i++ % 100 == 0) {
1398			if (!dce4_is_counter_moving(rdev, crtc))
1399				break;
1400		}
1401	}
1402}
1403
1404/**
1405 * evergreen_page_flip - pageflip callback.
1406 *
1407 * @rdev: radeon_device pointer
1408 * @crtc_id: crtc to cleanup pageflip on
1409 * @crtc_base: new address of the crtc (GPU MC address)
1410 * @async: asynchronous flip
1411 *
1412 * Triggers the actual pageflip by updating the primary
1413 * surface base address (evergreen+).
1414 */
1415void evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base,
1416			 bool async)
1417{
1418	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
1419	struct drm_framebuffer *fb = radeon_crtc->base.primary->fb;
1420
1421	/* flip at hsync for async, default is vsync */
1422	WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset,
1423	       async ? EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN : 0);
1424	/* update pitch */
1425	WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset,
1426	       fb->pitches[0] / fb->format->cpp[0]);
1427	/* update the scanout addresses */
1428	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
1429	       upper_32_bits(crtc_base));
1430	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1431	       (u32)crtc_base);
1432	/* post the write */
1433	RREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset);
1434}
1435
1436/**
1437 * evergreen_page_flip_pending - check if page flip is still pending
1438 *
1439 * @rdev: radeon_device pointer
1440 * @crtc_id: crtc to check
1441 *
1442 * Returns the current update pending status.
1443 */
1444bool evergreen_page_flip_pending(struct radeon_device *rdev, int crtc_id)
1445{
1446	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
1447
1448	/* Return current update_pending status: */
1449	return !!(RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) &
1450		EVERGREEN_GRPH_SURFACE_UPDATE_PENDING);
1451}
1452
1453/* get temperature in millidegrees */
1454int evergreen_get_temp(struct radeon_device *rdev)
1455{
1456	u32 temp, toffset;
1457	int actual_temp = 0;
1458
1459	if (rdev->family == CHIP_JUNIPER) {
1460		toffset = (RREG32(CG_THERMAL_CTRL) & TOFFSET_MASK) >>
1461			TOFFSET_SHIFT;
1462		temp = (RREG32(CG_TS0_STATUS) & TS0_ADC_DOUT_MASK) >>
1463			TS0_ADC_DOUT_SHIFT;
1464
1465		if (toffset & 0x100)
1466			actual_temp = temp / 2 - (0x200 - toffset);
1467		else
1468			actual_temp = temp / 2 + toffset;
1469
1470		actual_temp = actual_temp * 1000;
1471
1472	} else {
1473		temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
1474			ASIC_T_SHIFT;
1475
1476		if (temp & 0x400)
1477			actual_temp = -256;
1478		else if (temp & 0x200)
1479			actual_temp = 255;
1480		else if (temp & 0x100) {
1481			actual_temp = temp & 0x1ff;
1482			actual_temp |= ~0x1ff;
1483		} else
1484			actual_temp = temp & 0xff;
1485
1486		actual_temp = (actual_temp * 1000) / 2;
1487	}
1488
1489	return actual_temp;
1490}
1491
1492int sumo_get_temp(struct radeon_device *rdev)
1493{
1494	u32 temp = RREG32(CG_THERMAL_STATUS) & 0xff;
1495	int actual_temp = temp - 49;
1496
1497	return actual_temp * 1000;
1498}
1499
1500/**
1501 * sumo_pm_init_profile - Initialize power profiles callback.
1502 *
1503 * @rdev: radeon_device pointer
1504 *
1505 * Initialize the power states used in profile mode
1506 * (sumo, trinity, SI).
1507 * Used for profile mode only.
1508 */
1509void sumo_pm_init_profile(struct radeon_device *rdev)
1510{
1511	int idx;
1512
1513	/* default */
1514	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
1515	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
1516	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
1517	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
1518
1519	/* low,mid sh/mh */
1520	if (rdev->flags & RADEON_IS_MOBILITY)
1521		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
1522	else
1523		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
1524
1525	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
1526	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
1527	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
1528	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
1529
1530	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
1531	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
1532	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
1533	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
1534
1535	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
1536	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
1537	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
1538	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
1539
1540	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
1541	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
1542	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
1543	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
1544
1545	/* high sh/mh */
1546	idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
1547	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
1548	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
1549	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
1550	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx =
1551		rdev->pm.power_state[idx].num_clock_modes - 1;
1552
1553	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
1554	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
1555	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
1556	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx =
1557		rdev->pm.power_state[idx].num_clock_modes - 1;
1558}
1559
1560/**
1561 * btc_pm_init_profile - Initialize power profiles callback.
1562 *
1563 * @rdev: radeon_device pointer
1564 *
1565 * Initialize the power states used in profile mode
1566 * (BTC, cayman).
1567 * Used for profile mode only.
1568 */
1569void btc_pm_init_profile(struct radeon_device *rdev)
1570{
1571	int idx;
1572
1573	/* default */
1574	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
1575	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
1576	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
1577	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
1578	/* starting with BTC, there is one state that is used for both
1579	 * MH and SH.  Difference is that we always use the high clock index for
1580	 * mclk.
1581	 */
1582	if (rdev->flags & RADEON_IS_MOBILITY)
1583		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
1584	else
1585		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
1586	/* low sh */
1587	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
1588	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
1589	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
1590	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
1591	/* mid sh */
1592	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
1593	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
1594	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
1595	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
1596	/* high sh */
1597	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
1598	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
1599	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
1600	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
1601	/* low mh */
1602	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
1603	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
1604	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
1605	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
1606	/* mid mh */
1607	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
1608	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
1609	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
1610	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
1611	/* high mh */
1612	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
1613	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
1614	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
1615	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
1616}
1617
1618/**
1619 * evergreen_pm_misc - set additional pm hw parameters callback.
1620 *
1621 * @rdev: radeon_device pointer
1622 *
1623 * Set non-clock parameters associated with a power state
1624 * (voltage, etc.) (evergreen+).
1625 */
1626void evergreen_pm_misc(struct radeon_device *rdev)
1627{
1628	int req_ps_idx = rdev->pm.requested_power_state_index;
1629	int req_cm_idx = rdev->pm.requested_clock_mode_index;
1630	struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
1631	struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
1632
1633	if (voltage->type == VOLTAGE_SW) {
1634		/* 0xff0x are flags rather then an actual voltage */
1635		if ((voltage->voltage & 0xff00) == 0xff00)
1636			return;
1637		if (voltage->voltage && (voltage->voltage != rdev->pm.current_vddc)) {
1638			radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
1639			rdev->pm.current_vddc = voltage->voltage;
1640			DRM_DEBUG("Setting: vddc: %d\n", voltage->voltage);
1641		}
1642
1643		/* starting with BTC, there is one state that is used for both
1644		 * MH and SH.  Difference is that we always use the high clock index for
1645		 * mclk and vddci.
1646		 */
1647		if ((rdev->pm.pm_method == PM_METHOD_PROFILE) &&
1648		    (rdev->family >= CHIP_BARTS) &&
1649		    rdev->pm.active_crtc_count &&
1650		    ((rdev->pm.profile_index == PM_PROFILE_MID_MH_IDX) ||
1651		     (rdev->pm.profile_index == PM_PROFILE_LOW_MH_IDX)))
1652			voltage = &rdev->pm.power_state[req_ps_idx].
1653				clock_info[rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx].voltage;
1654
1655		/* 0xff0x are flags rather then an actual voltage */
1656		if ((voltage->vddci & 0xff00) == 0xff00)
1657			return;
1658		if (voltage->vddci && (voltage->vddci != rdev->pm.current_vddci)) {
1659			radeon_atom_set_voltage(rdev, voltage->vddci, SET_VOLTAGE_TYPE_ASIC_VDDCI);
1660			rdev->pm.current_vddci = voltage->vddci;
1661			DRM_DEBUG("Setting: vddci: %d\n", voltage->vddci);
1662		}
1663	}
1664}
1665
1666/**
1667 * evergreen_pm_prepare - pre-power state change callback.
1668 *
1669 * @rdev: radeon_device pointer
1670 *
1671 * Prepare for a power state change (evergreen+).
1672 */
1673void evergreen_pm_prepare(struct radeon_device *rdev)
1674{
1675	struct drm_device *ddev = rdev->ddev;
1676	struct drm_crtc *crtc;
1677	struct radeon_crtc *radeon_crtc;
1678	u32 tmp;
1679
1680	/* disable any active CRTCs */
1681	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
1682		radeon_crtc = to_radeon_crtc(crtc);
1683		if (radeon_crtc->enabled) {
1684			tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
1685			tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
1686			WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
1687		}
1688	}
1689}
1690
1691/**
1692 * evergreen_pm_finish - post-power state change callback.
1693 *
1694 * @rdev: radeon_device pointer
1695 *
1696 * Clean up after a power state change (evergreen+).
1697 */
1698void evergreen_pm_finish(struct radeon_device *rdev)
1699{
1700	struct drm_device *ddev = rdev->ddev;
1701	struct drm_crtc *crtc;
1702	struct radeon_crtc *radeon_crtc;
1703	u32 tmp;
1704
1705	/* enable any active CRTCs */
1706	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
1707		radeon_crtc = to_radeon_crtc(crtc);
1708		if (radeon_crtc->enabled) {
1709			tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
1710			tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
1711			WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
1712		}
1713	}
1714}
1715
1716/**
1717 * evergreen_hpd_sense - hpd sense callback.
1718 *
1719 * @rdev: radeon_device pointer
1720 * @hpd: hpd (hotplug detect) pin
1721 *
1722 * Checks if a digital monitor is connected (evergreen+).
1723 * Returns true if connected, false if not connected.
1724 */
1725bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
1726{
1727	if (hpd == RADEON_HPD_NONE)
1728		return false;
1729
1730	return !!(RREG32(DC_HPDx_INT_STATUS_REG(hpd)) & DC_HPDx_SENSE);
1731}
1732
1733/**
1734 * evergreen_hpd_set_polarity - hpd set polarity callback.
1735 *
1736 * @rdev: radeon_device pointer
1737 * @hpd: hpd (hotplug detect) pin
1738 *
1739 * Set the polarity of the hpd pin (evergreen+).
1740 */
1741void evergreen_hpd_set_polarity(struct radeon_device *rdev,
1742				enum radeon_hpd_id hpd)
1743{
1744	bool connected = evergreen_hpd_sense(rdev, hpd);
1745
1746	if (hpd == RADEON_HPD_NONE)
1747		return;
1748
1749	if (connected)
1750		WREG32_AND(DC_HPDx_INT_CONTROL(hpd), ~DC_HPDx_INT_POLARITY);
1751	else
1752		WREG32_OR(DC_HPDx_INT_CONTROL(hpd), DC_HPDx_INT_POLARITY);
1753}
1754
1755/**
1756 * evergreen_hpd_init - hpd setup callback.
1757 *
1758 * @rdev: radeon_device pointer
1759 *
1760 * Setup the hpd pins used by the card (evergreen+).
1761 * Enable the pin, set the polarity, and enable the hpd interrupts.
1762 */
1763void evergreen_hpd_init(struct radeon_device *rdev)
1764{
1765	struct drm_device *dev = rdev->ddev;
1766	struct drm_connector *connector;
1767	unsigned enabled = 0;
1768	u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) |
1769		DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN;
1770
1771	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1772		enum radeon_hpd_id hpd =
1773			to_radeon_connector(connector)->hpd.hpd;
1774
1775		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
1776		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
1777			/* don't try to enable hpd on eDP or LVDS avoid breaking the
1778			 * aux dp channel on imac and help (but not completely fix)
1779			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
1780			 * also avoid interrupt storms during dpms.
1781			 */
1782			continue;
1783		}
1784
1785		if (hpd == RADEON_HPD_NONE)
1786			continue;
1787
1788		WREG32(DC_HPDx_CONTROL(hpd), tmp);
1789		enabled |= 1 << hpd;
1790
1791		radeon_hpd_set_polarity(rdev, hpd);
1792	}
1793	radeon_irq_kms_enable_hpd(rdev, enabled);
1794}
1795
1796/**
1797 * evergreen_hpd_fini - hpd tear down callback.
1798 *
1799 * @rdev: radeon_device pointer
1800 *
1801 * Tear down the hpd pins used by the card (evergreen+).
1802 * Disable the hpd interrupts.
1803 */
1804void evergreen_hpd_fini(struct radeon_device *rdev)
1805{
1806	struct drm_device *dev = rdev->ddev;
1807	struct drm_connector *connector;
1808	unsigned disabled = 0;
1809
1810	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1811		enum radeon_hpd_id hpd =
1812			to_radeon_connector(connector)->hpd.hpd;
1813
1814		if (hpd == RADEON_HPD_NONE)
1815			continue;
1816
1817		WREG32(DC_HPDx_CONTROL(hpd), 0);
1818		disabled |= 1 << hpd;
1819	}
1820	radeon_irq_kms_disable_hpd(rdev, disabled);
1821}
1822
1823/* watermark setup */
1824
1825static u32 evergreen_line_buffer_adjust(struct radeon_device *rdev,
1826					struct radeon_crtc *radeon_crtc,
1827					struct drm_display_mode *mode,
1828					struct drm_display_mode *other_mode)
1829{
1830	u32 tmp, buffer_alloc, i;
1831	u32 pipe_offset = radeon_crtc->crtc_id * 0x20;
1832	/*
1833	 * Line Buffer Setup
1834	 * There are 3 line buffers, each one shared by 2 display controllers.
1835	 * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1836	 * the display controllers.  The paritioning is done via one of four
1837	 * preset allocations specified in bits 2:0:
1838	 * first display controller
1839	 *  0 - first half of lb (3840 * 2)
1840	 *  1 - first 3/4 of lb (5760 * 2)
1841	 *  2 - whole lb (7680 * 2), other crtc must be disabled
1842	 *  3 - first 1/4 of lb (1920 * 2)
1843	 * second display controller
1844	 *  4 - second half of lb (3840 * 2)
1845	 *  5 - second 3/4 of lb (5760 * 2)
1846	 *  6 - whole lb (7680 * 2), other crtc must be disabled
1847	 *  7 - last 1/4 of lb (1920 * 2)
1848	 */
1849	/* this can get tricky if we have two large displays on a paired group
1850	 * of crtcs.  Ideally for multiple large displays we'd assign them to
1851	 * non-linked crtcs for maximum line buffer allocation.
1852	 */
1853	if (radeon_crtc->base.enabled && mode) {
1854		if (other_mode) {
1855			tmp = 0; /* 1/2 */
1856			buffer_alloc = 1;
1857		} else {
1858			tmp = 2; /* whole */
1859			buffer_alloc = 2;
1860		}
1861	} else {
1862		tmp = 0;
1863		buffer_alloc = 0;
1864	}
1865
1866	/* second controller of the pair uses second half of the lb */
1867	if (radeon_crtc->crtc_id % 2)
1868		tmp += 4;
1869	WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset, tmp);
1870
1871	if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
1872		WREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1873		       DMIF_BUFFERS_ALLOCATED(buffer_alloc));
1874		for (i = 0; i < rdev->usec_timeout; i++) {
1875			if (RREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1876			    DMIF_BUFFERS_ALLOCATED_COMPLETED)
1877				break;
1878			udelay(1);
1879		}
1880	}
1881
1882	if (radeon_crtc->base.enabled && mode) {
1883		switch (tmp) {
1884		case 0:
1885		case 4:
1886		default:
1887			if (ASIC_IS_DCE5(rdev))
1888				return 4096 * 2;
1889			else
1890				return 3840 * 2;
1891		case 1:
1892		case 5:
1893			if (ASIC_IS_DCE5(rdev))
1894				return 6144 * 2;
1895			else
1896				return 5760 * 2;
1897		case 2:
1898		case 6:
1899			if (ASIC_IS_DCE5(rdev))
1900				return 8192 * 2;
1901			else
1902				return 7680 * 2;
1903		case 3:
1904		case 7:
1905			if (ASIC_IS_DCE5(rdev))
1906				return 2048 * 2;
1907			else
1908				return 1920 * 2;
1909		}
1910	}
1911
1912	/* controller not enabled, so no lb used */
1913	return 0;
1914}
1915
1916u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev)
1917{
1918	u32 tmp = RREG32(MC_SHARED_CHMAP);
1919
1920	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1921	case 0:
1922	default:
1923		return 1;
1924	case 1:
1925		return 2;
1926	case 2:
1927		return 4;
1928	case 3:
1929		return 8;
1930	}
1931}
1932
1933struct evergreen_wm_params {
1934	u32 dram_channels; /* number of dram channels */
1935	u32 yclk;          /* bandwidth per dram data pin in kHz */
1936	u32 sclk;          /* engine clock in kHz */
1937	u32 disp_clk;      /* display clock in kHz */
1938	u32 src_width;     /* viewport width */
1939	u32 active_time;   /* active display time in ns */
1940	u32 blank_time;    /* blank time in ns */
1941	bool interlaced;    /* mode is interlaced */
1942	fixed20_12 vsc;    /* vertical scale ratio */
1943	u32 num_heads;     /* number of active crtcs */
1944	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
1945	u32 lb_size;       /* line buffer allocated to pipe */
1946	u32 vtaps;         /* vertical scaler taps */
1947};
1948
1949static u32 evergreen_dram_bandwidth(struct evergreen_wm_params *wm)
1950{
1951	/* Calculate DRAM Bandwidth and the part allocated to display. */
1952	fixed20_12 dram_efficiency; /* 0.7 */
1953	fixed20_12 yclk, dram_channels, bandwidth;
1954	fixed20_12 a;
1955
1956	a.full = dfixed_const(1000);
1957	yclk.full = dfixed_const(wm->yclk);
1958	yclk.full = dfixed_div(yclk, a);
1959	dram_channels.full = dfixed_const(wm->dram_channels * 4);
1960	a.full = dfixed_const(10);
1961	dram_efficiency.full = dfixed_const(7);
1962	dram_efficiency.full = dfixed_div(dram_efficiency, a);
1963	bandwidth.full = dfixed_mul(dram_channels, yclk);
1964	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
1965
1966	return dfixed_trunc(bandwidth);
1967}
1968
1969static u32 evergreen_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
1970{
1971	/* Calculate DRAM Bandwidth and the part allocated to display. */
1972	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
1973	fixed20_12 yclk, dram_channels, bandwidth;
1974	fixed20_12 a;
1975
1976	a.full = dfixed_const(1000);
1977	yclk.full = dfixed_const(wm->yclk);
1978	yclk.full = dfixed_div(yclk, a);
1979	dram_channels.full = dfixed_const(wm->dram_channels * 4);
1980	a.full = dfixed_const(10);
1981	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
1982	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
1983	bandwidth.full = dfixed_mul(dram_channels, yclk);
1984	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
1985
1986	return dfixed_trunc(bandwidth);
1987}
1988
1989static u32 evergreen_data_return_bandwidth(struct evergreen_wm_params *wm)
1990{
1991	/* Calculate the display Data return Bandwidth */
1992	fixed20_12 return_efficiency; /* 0.8 */
1993	fixed20_12 sclk, bandwidth;
1994	fixed20_12 a;
1995
1996	a.full = dfixed_const(1000);
1997	sclk.full = dfixed_const(wm->sclk);
1998	sclk.full = dfixed_div(sclk, a);
1999	a.full = dfixed_const(10);
2000	return_efficiency.full = dfixed_const(8);
2001	return_efficiency.full = dfixed_div(return_efficiency, a);
2002	a.full = dfixed_const(32);
2003	bandwidth.full = dfixed_mul(a, sclk);
2004	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
2005
2006	return dfixed_trunc(bandwidth);
2007}
2008
2009static u32 evergreen_dmif_request_bandwidth(struct evergreen_wm_params *wm)
2010{
2011	/* Calculate the DMIF Request Bandwidth */
2012	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
2013	fixed20_12 disp_clk, bandwidth;
2014	fixed20_12 a;
2015
2016	a.full = dfixed_const(1000);
2017	disp_clk.full = dfixed_const(wm->disp_clk);
2018	disp_clk.full = dfixed_div(disp_clk, a);
2019	a.full = dfixed_const(10);
2020	disp_clk_request_efficiency.full = dfixed_const(8);
2021	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
2022	a.full = dfixed_const(32);
2023	bandwidth.full = dfixed_mul(a, disp_clk);
2024	bandwidth.full = dfixed_mul(bandwidth, disp_clk_request_efficiency);
2025
2026	return dfixed_trunc(bandwidth);
2027}
2028
2029static u32 evergreen_available_bandwidth(struct evergreen_wm_params *wm)
2030{
2031	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
2032	u32 dram_bandwidth = evergreen_dram_bandwidth(wm);
2033	u32 data_return_bandwidth = evergreen_data_return_bandwidth(wm);
2034	u32 dmif_req_bandwidth = evergreen_dmif_request_bandwidth(wm);
2035
2036	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
2037}
2038
2039static u32 evergreen_average_bandwidth(struct evergreen_wm_params *wm)
2040{
2041	/* Calculate the display mode Average Bandwidth
2042	 * DisplayMode should contain the source and destination dimensions,
2043	 * timing, etc.
2044	 */
2045	fixed20_12 bpp;
2046	fixed20_12 line_time;
2047	fixed20_12 src_width;
2048	fixed20_12 bandwidth;
2049	fixed20_12 a;
2050
2051	a.full = dfixed_const(1000);
2052	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
2053	line_time.full = dfixed_div(line_time, a);
2054	bpp.full = dfixed_const(wm->bytes_per_pixel);
2055	src_width.full = dfixed_const(wm->src_width);
2056	bandwidth.full = dfixed_mul(src_width, bpp);
2057	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
2058	bandwidth.full = dfixed_div(bandwidth, line_time);
2059
2060	return dfixed_trunc(bandwidth);
2061}
2062
2063static u32 evergreen_latency_watermark(struct evergreen_wm_params *wm)
2064{
2065	/* First calcualte the latency in ns */
2066	u32 mc_latency = 2000; /* 2000 ns. */
2067	u32 available_bandwidth = evergreen_available_bandwidth(wm);
2068	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
2069	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
2070	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
2071	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
2072		(wm->num_heads * cursor_line_pair_return_time);
2073	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
2074	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
2075	fixed20_12 a, b, c;
2076
2077	if (wm->num_heads == 0)
2078		return 0;
2079
2080	a.full = dfixed_const(2);
2081	b.full = dfixed_const(1);
2082	if ((wm->vsc.full > a.full) ||
2083	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
2084	    (wm->vtaps >= 5) ||
2085	    ((wm->vsc.full >= a.full) && wm->interlaced))
2086		max_src_lines_per_dst_line = 4;
2087	else
2088		max_src_lines_per_dst_line = 2;
2089
2090	a.full = dfixed_const(available_bandwidth);
2091	b.full = dfixed_const(wm->num_heads);
2092	a.full = dfixed_div(a, b);
2093
2094	lb_fill_bw = min(dfixed_trunc(a), wm->disp_clk * wm->bytes_per_pixel / 1000);
2095
2096	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
2097	b.full = dfixed_const(1000);
2098	c.full = dfixed_const(lb_fill_bw);
2099	b.full = dfixed_div(c, b);
2100	a.full = dfixed_div(a, b);
2101	line_fill_time = dfixed_trunc(a);
2102
2103	if (line_fill_time < wm->active_time)
2104		return latency;
2105	else
2106		return latency + (line_fill_time - wm->active_time);
2107
2108}
2109
2110static bool evergreen_average_bandwidth_vs_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
2111{
2112	if (evergreen_average_bandwidth(wm) <=
2113	    (evergreen_dram_bandwidth_for_display(wm) / wm->num_heads))
2114		return true;
2115	else
2116		return false;
2117};
2118
2119static bool evergreen_average_bandwidth_vs_available_bandwidth(struct evergreen_wm_params *wm)
2120{
2121	if (evergreen_average_bandwidth(wm) <=
2122	    (evergreen_available_bandwidth(wm) / wm->num_heads))
2123		return true;
2124	else
2125		return false;
2126};
2127
2128static bool evergreen_check_latency_hiding(struct evergreen_wm_params *wm)
2129{
2130	u32 lb_partitions = wm->lb_size / wm->src_width;
2131	u32 line_time = wm->active_time + wm->blank_time;
2132	u32 latency_tolerant_lines;
2133	u32 latency_hiding;
2134	fixed20_12 a;
2135
2136	a.full = dfixed_const(1);
2137	if (wm->vsc.full > a.full)
2138		latency_tolerant_lines = 1;
2139	else {
2140		if (lb_partitions <= (wm->vtaps + 1))
2141			latency_tolerant_lines = 1;
2142		else
2143			latency_tolerant_lines = 2;
2144	}
2145
2146	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
2147
2148	if (evergreen_latency_watermark(wm) <= latency_hiding)
2149		return true;
2150	else
2151		return false;
2152}
2153
2154static void evergreen_program_watermarks(struct radeon_device *rdev,
2155					 struct radeon_crtc *radeon_crtc,
2156					 u32 lb_size, u32 num_heads)
2157{
2158	struct drm_display_mode *mode = &radeon_crtc->base.mode;
2159	struct evergreen_wm_params wm_low, wm_high;
2160	u32 dram_channels;
2161	u32 active_time;
2162	u32 line_time = 0;
2163	u32 latency_watermark_a = 0, latency_watermark_b = 0;
2164	u32 priority_a_mark = 0, priority_b_mark = 0;
2165	u32 priority_a_cnt = PRIORITY_OFF;
2166	u32 priority_b_cnt = PRIORITY_OFF;
2167	u32 pipe_offset = radeon_crtc->crtc_id * 16;
2168	u32 tmp, arb_control3;
2169	fixed20_12 a, b, c;
2170
2171	if (radeon_crtc->base.enabled && num_heads && mode) {
2172		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
2173					    (u32)mode->clock);
2174		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
2175					  (u32)mode->clock);
2176		line_time = min(line_time, (u32)65535);
2177		priority_a_cnt = 0;
2178		priority_b_cnt = 0;
2179		dram_channels = evergreen_get_number_of_dram_channels(rdev);
2180
2181		/* watermark for high clocks */
2182		if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
2183			wm_high.yclk =
2184				radeon_dpm_get_mclk(rdev, false) * 10;
2185			wm_high.sclk =
2186				radeon_dpm_get_sclk(rdev, false) * 10;
2187		} else {
2188			wm_high.yclk = rdev->pm.current_mclk * 10;
2189			wm_high.sclk = rdev->pm.current_sclk * 10;
2190		}
2191
2192		wm_high.disp_clk = mode->clock;
2193		wm_high.src_width = mode->crtc_hdisplay;
2194		wm_high.active_time = active_time;
2195		wm_high.blank_time = line_time - wm_high.active_time;
2196		wm_high.interlaced = false;
2197		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2198			wm_high.interlaced = true;
2199		wm_high.vsc = radeon_crtc->vsc;
2200		wm_high.vtaps = 1;
2201		if (radeon_crtc->rmx_type != RMX_OFF)
2202			wm_high.vtaps = 2;
2203		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
2204		wm_high.lb_size = lb_size;
2205		wm_high.dram_channels = dram_channels;
2206		wm_high.num_heads = num_heads;
2207
2208		/* watermark for low clocks */
2209		if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
2210			wm_low.yclk =
2211				radeon_dpm_get_mclk(rdev, true) * 10;
2212			wm_low.sclk =
2213				radeon_dpm_get_sclk(rdev, true) * 10;
2214		} else {
2215			wm_low.yclk = rdev->pm.current_mclk * 10;
2216			wm_low.sclk = rdev->pm.current_sclk * 10;
2217		}
2218
2219		wm_low.disp_clk = mode->clock;
2220		wm_low.src_width = mode->crtc_hdisplay;
2221		wm_low.active_time = active_time;
2222		wm_low.blank_time = line_time - wm_low.active_time;
2223		wm_low.interlaced = false;
2224		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2225			wm_low.interlaced = true;
2226		wm_low.vsc = radeon_crtc->vsc;
2227		wm_low.vtaps = 1;
2228		if (radeon_crtc->rmx_type != RMX_OFF)
2229			wm_low.vtaps = 2;
2230		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
2231		wm_low.lb_size = lb_size;
2232		wm_low.dram_channels = dram_channels;
2233		wm_low.num_heads = num_heads;
2234
2235		/* set for high clocks */
2236		latency_watermark_a = min(evergreen_latency_watermark(&wm_high), (u32)65535);
2237		/* set for low clocks */
2238		latency_watermark_b = min(evergreen_latency_watermark(&wm_low), (u32)65535);
2239
2240		/* possibly force display priority to high */
2241		/* should really do this at mode validation time... */
2242		if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
2243		    !evergreen_average_bandwidth_vs_available_bandwidth(&wm_high) ||
2244		    !evergreen_check_latency_hiding(&wm_high) ||
2245		    (rdev->disp_priority == 2)) {
2246			DRM_DEBUG_KMS("force priority a to high\n");
2247			priority_a_cnt |= PRIORITY_ALWAYS_ON;
2248		}
2249		if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
2250		    !evergreen_average_bandwidth_vs_available_bandwidth(&wm_low) ||
2251		    !evergreen_check_latency_hiding(&wm_low) ||
2252		    (rdev->disp_priority == 2)) {
2253			DRM_DEBUG_KMS("force priority b to high\n");
2254			priority_b_cnt |= PRIORITY_ALWAYS_ON;
2255		}
2256
2257		a.full = dfixed_const(1000);
2258		b.full = dfixed_const(mode->clock);
2259		b.full = dfixed_div(b, a);
2260		c.full = dfixed_const(latency_watermark_a);
2261		c.full = dfixed_mul(c, b);
2262		c.full = dfixed_mul(c, radeon_crtc->hsc);
2263		c.full = dfixed_div(c, a);
2264		a.full = dfixed_const(16);
2265		c.full = dfixed_div(c, a);
2266		priority_a_mark = dfixed_trunc(c);
2267		priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
2268
2269		a.full = dfixed_const(1000);
2270		b.full = dfixed_const(mode->clock);
2271		b.full = dfixed_div(b, a);
2272		c.full = dfixed_const(latency_watermark_b);
2273		c.full = dfixed_mul(c, b);
2274		c.full = dfixed_mul(c, radeon_crtc->hsc);
2275		c.full = dfixed_div(c, a);
2276		a.full = dfixed_const(16);
2277		c.full = dfixed_div(c, a);
2278		priority_b_mark = dfixed_trunc(c);
2279		priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
2280
2281		/* Save number of lines the linebuffer leads before the scanout */
2282		radeon_crtc->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
2283	}
2284
2285	/* select wm A */
2286	arb_control3 = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
2287	tmp = arb_control3;
2288	tmp &= ~LATENCY_WATERMARK_MASK(3);
2289	tmp |= LATENCY_WATERMARK_MASK(1);
2290	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
2291	WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
2292	       (LATENCY_LOW_WATERMARK(latency_watermark_a) |
2293		LATENCY_HIGH_WATERMARK(line_time)));
2294	/* select wm B */
2295	tmp = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
2296	tmp &= ~LATENCY_WATERMARK_MASK(3);
2297	tmp |= LATENCY_WATERMARK_MASK(2);
2298	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
2299	WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
2300	       (LATENCY_LOW_WATERMARK(latency_watermark_b) |
2301		LATENCY_HIGH_WATERMARK(line_time)));
2302	/* restore original selection */
2303	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, arb_control3);
2304
2305	/* write the priority marks */
2306	WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
2307	WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);
2308
2309	/* save values for DPM */
2310	radeon_crtc->line_time = line_time;
2311	radeon_crtc->wm_high = latency_watermark_a;
2312	radeon_crtc->wm_low = latency_watermark_b;
2313}
2314
2315/**
2316 * evergreen_bandwidth_update - update display watermarks callback.
2317 *
2318 * @rdev: radeon_device pointer
2319 *
2320 * Update the display watermarks based on the requested mode(s)
2321 * (evergreen+).
2322 */
2323void evergreen_bandwidth_update(struct radeon_device *rdev)
2324{
2325	struct drm_display_mode *mode0 = NULL;
2326	struct drm_display_mode *mode1 = NULL;
2327	u32 num_heads = 0, lb_size;
2328	int i;
2329
2330	if (!rdev->mode_info.mode_config_initialized)
2331		return;
2332
2333	radeon_update_display_priority(rdev);
2334
2335	for (i = 0; i < rdev->num_crtc; i++) {
2336		if (rdev->mode_info.crtcs[i]->base.enabled)
2337			num_heads++;
2338	}
2339	for (i = 0; i < rdev->num_crtc; i += 2) {
2340		mode0 = &rdev->mode_info.crtcs[i]->base.mode;
2341		mode1 = &rdev->mode_info.crtcs[i+1]->base.mode;
2342		lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1);
2343		evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads);
2344		lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0);
2345		evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads);
2346	}
2347}
2348
2349/**
2350 * evergreen_mc_wait_for_idle - wait for MC idle callback.
2351 *
2352 * @rdev: radeon_device pointer
2353 *
2354 * Wait for the MC (memory controller) to be idle.
2355 * (evergreen+).
2356 * Returns 0 if the MC is idle, -1 if not.
2357 */
2358int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
2359{
2360	unsigned i;
2361	u32 tmp;
2362
2363	for (i = 0; i < rdev->usec_timeout; i++) {
2364		/* read MC_STATUS */
2365		tmp = RREG32(SRBM_STATUS) & 0x1F00;
2366		if (!tmp)
2367			return 0;
2368		udelay(1);
2369	}
2370	return -1;
2371}
2372
2373/*
2374 * GART
2375 */
2376void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev)
2377{
2378	unsigned i;
2379	u32 tmp;
2380
2381	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
2382
2383	WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
2384	for (i = 0; i < rdev->usec_timeout; i++) {
2385		/* read MC_STATUS */
2386		tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
2387		tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
2388		if (tmp == 2) {
2389			pr_warn("[drm] r600 flush TLB failed\n");
2390			return;
2391		}
2392		if (tmp) {
2393			return;
2394		}
2395		udelay(1);
2396	}
2397}
2398
2399static int evergreen_pcie_gart_enable(struct radeon_device *rdev)
2400{
2401	u32 tmp;
2402	int r;
2403
2404	if (rdev->gart.robj == NULL) {
2405		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
2406		return -EINVAL;
2407	}
2408	r = radeon_gart_table_vram_pin(rdev);
2409	if (r)
2410		return r;
2411	/* Setup L2 cache */
2412	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
2413				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
2414				EFFECTIVE_L2_QUEUE_SIZE(7));
2415	WREG32(VM_L2_CNTL2, 0);
2416	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
2417	/* Setup TLB control */
2418	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
2419		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
2420		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
2421		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
2422	if (rdev->flags & RADEON_IS_IGP) {
2423		WREG32(FUS_MC_VM_MD_L1_TLB0_CNTL, tmp);
2424		WREG32(FUS_MC_VM_MD_L1_TLB1_CNTL, tmp);
2425		WREG32(FUS_MC_VM_MD_L1_TLB2_CNTL, tmp);
2426	} else {
2427		WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
2428		WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
2429		WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
2430		if ((rdev->family == CHIP_JUNIPER) ||
2431		    (rdev->family == CHIP_CYPRESS) ||
2432		    (rdev->family == CHIP_HEMLOCK) ||
2433		    (rdev->family == CHIP_BARTS))
2434			WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
2435	}
2436	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
2437	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
2438	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
2439	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
2440	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
2441	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
2442	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
2443	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
2444				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
2445	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
2446			(u32)(rdev->dummy_page.addr >> 12));
2447	WREG32(VM_CONTEXT1_CNTL, 0);
2448
2449	evergreen_pcie_gart_tlb_flush(rdev);
2450	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
2451		 (unsigned)(rdev->mc.gtt_size >> 20),
2452		 (unsigned long long)rdev->gart.table_addr);
2453	rdev->gart.ready = true;
2454	return 0;
2455}
2456
2457static void evergreen_pcie_gart_disable(struct radeon_device *rdev)
2458{
2459	u32 tmp;
2460
2461	/* Disable all tables */
2462	WREG32(VM_CONTEXT0_CNTL, 0);
2463	WREG32(VM_CONTEXT1_CNTL, 0);
2464
2465	/* Setup L2 cache */
2466	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
2467				EFFECTIVE_L2_QUEUE_SIZE(7));
2468	WREG32(VM_L2_CNTL2, 0);
2469	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
2470	/* Setup TLB control */
2471	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
2472	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
2473	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
2474	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
2475	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
2476	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
2477	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
2478	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
2479	radeon_gart_table_vram_unpin(rdev);
2480}
2481
2482static void evergreen_pcie_gart_fini(struct radeon_device *rdev)
2483{
2484	evergreen_pcie_gart_disable(rdev);
2485	radeon_gart_table_vram_free(rdev);
2486	radeon_gart_fini(rdev);
2487}
2488
2489
2490static void evergreen_agp_enable(struct radeon_device *rdev)
2491{
2492	u32 tmp;
2493
2494	/* Setup L2 cache */
2495	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
2496				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
2497				EFFECTIVE_L2_QUEUE_SIZE(7));
2498	WREG32(VM_L2_CNTL2, 0);
2499	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
2500	/* Setup TLB control */
2501	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
2502		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
2503		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
2504		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
2505	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
2506	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
2507	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
2508	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
2509	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
2510	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
2511	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
2512	WREG32(VM_CONTEXT0_CNTL, 0);
2513	WREG32(VM_CONTEXT1_CNTL, 0);
2514}
2515
2516static const unsigned ni_dig_offsets[] =
2517{
2518	NI_DIG0_REGISTER_OFFSET,
2519	NI_DIG1_REGISTER_OFFSET,
2520	NI_DIG2_REGISTER_OFFSET,
2521	NI_DIG3_REGISTER_OFFSET,
2522	NI_DIG4_REGISTER_OFFSET,
2523	NI_DIG5_REGISTER_OFFSET
2524};
2525
2526static const unsigned ni_tx_offsets[] =
2527{
2528	NI_DCIO_UNIPHY0_UNIPHY_TX_CONTROL1,
2529	NI_DCIO_UNIPHY1_UNIPHY_TX_CONTROL1,
2530	NI_DCIO_UNIPHY2_UNIPHY_TX_CONTROL1,
2531	NI_DCIO_UNIPHY3_UNIPHY_TX_CONTROL1,
2532	NI_DCIO_UNIPHY4_UNIPHY_TX_CONTROL1,
2533	NI_DCIO_UNIPHY5_UNIPHY_TX_CONTROL1
2534};
2535
2536static const unsigned evergreen_dp_offsets[] =
2537{
2538	EVERGREEN_DP0_REGISTER_OFFSET,
2539	EVERGREEN_DP1_REGISTER_OFFSET,
2540	EVERGREEN_DP2_REGISTER_OFFSET,
2541	EVERGREEN_DP3_REGISTER_OFFSET,
2542	EVERGREEN_DP4_REGISTER_OFFSET,
2543	EVERGREEN_DP5_REGISTER_OFFSET
2544};
2545
2546static const unsigned evergreen_disp_int_status[] =
2547{
2548	DISP_INTERRUPT_STATUS,
2549	DISP_INTERRUPT_STATUS_CONTINUE,
2550	DISP_INTERRUPT_STATUS_CONTINUE2,
2551	DISP_INTERRUPT_STATUS_CONTINUE3,
2552	DISP_INTERRUPT_STATUS_CONTINUE4,
2553	DISP_INTERRUPT_STATUS_CONTINUE5
2554};
2555
2556/*
2557 * Assumption is that EVERGREEN_CRTC_MASTER_EN enable for requested crtc
2558 * We go from crtc to connector and it is not relible  since it
2559 * should be an opposite direction .If crtc is enable then
2560 * find the dig_fe which selects this crtc and insure that it enable.
2561 * if such dig_fe is found then find dig_be which selects found dig_be and
2562 * insure that it enable and in DP_SST mode.
2563 * if UNIPHY_PLL_CONTROL1.enable then we should disconnect timing
2564 * from dp symbols clocks .
2565 */
2566static bool evergreen_is_dp_sst_stream_enabled(struct radeon_device *rdev,
2567					       unsigned crtc_id, unsigned *ret_dig_fe)
2568{
2569	unsigned i;
2570	unsigned dig_fe;
2571	unsigned dig_be;
2572	unsigned dig_en_be;
2573	unsigned uniphy_pll;
2574	unsigned digs_fe_selected;
2575	unsigned dig_be_mode;
2576	unsigned dig_fe_mask;
2577	bool is_enabled = false;
2578	bool found_crtc = false;
2579
2580	/* loop through all running dig_fe to find selected crtc */
2581	for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) {
2582		dig_fe = RREG32(NI_DIG_FE_CNTL + ni_dig_offsets[i]);
2583		if (dig_fe & NI_DIG_FE_CNTL_SYMCLK_FE_ON &&
2584		    crtc_id == NI_DIG_FE_CNTL_SOURCE_SELECT(dig_fe)) {
2585			/* found running pipe */
2586			found_crtc = true;
2587			dig_fe_mask = 1 << i;
2588			dig_fe = i;
2589			break;
2590		}
2591	}
2592
2593	if (found_crtc) {
2594		/* loop through all running dig_be to find selected dig_fe */
2595		for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) {
2596			dig_be = RREG32(NI_DIG_BE_CNTL + ni_dig_offsets[i]);
2597			/* if dig_fe_selected by dig_be? */
2598			digs_fe_selected = NI_DIG_BE_CNTL_FE_SOURCE_SELECT(dig_be);
2599			dig_be_mode = NI_DIG_FE_CNTL_MODE(dig_be);
2600			if (dig_fe_mask &  digs_fe_selected &&
2601			    /* if dig_be in sst mode? */
2602			    dig_be_mode == NI_DIG_BE_DPSST) {
2603				dig_en_be = RREG32(NI_DIG_BE_EN_CNTL +
2604						   ni_dig_offsets[i]);
2605				uniphy_pll = RREG32(NI_DCIO_UNIPHY0_PLL_CONTROL1 +
2606						    ni_tx_offsets[i]);
2607				/* dig_be enable and tx is running */
2608				if (dig_en_be & NI_DIG_BE_EN_CNTL_ENABLE &&
2609				    dig_en_be & NI_DIG_BE_EN_CNTL_SYMBCLK_ON &&
2610				    uniphy_pll & NI_DCIO_UNIPHY0_PLL_CONTROL1_ENABLE) {
2611					is_enabled = true;
2612					*ret_dig_fe = dig_fe;
2613					break;
2614				}
2615			}
2616		}
2617	}
2618
2619	return is_enabled;
2620}
2621
2622/*
2623 * Blank dig when in dp sst mode
2624 * Dig ignores crtc timing
2625 */
2626static void evergreen_blank_dp_output(struct radeon_device *rdev,
2627				      unsigned dig_fe)
2628{
2629	unsigned stream_ctrl;
2630	unsigned fifo_ctrl;
2631	unsigned counter = 0;
2632
2633	if (dig_fe >= ARRAY_SIZE(evergreen_dp_offsets)) {
2634		DRM_ERROR("invalid dig_fe %d\n", dig_fe);
2635		return;
2636	}
2637
2638	stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
2639			     evergreen_dp_offsets[dig_fe]);
2640	if (!(stream_ctrl & EVERGREEN_DP_VID_STREAM_CNTL_ENABLE)) {
2641		DRM_ERROR("dig %d , should be enable\n", dig_fe);
2642		return;
2643	}
2644
2645	stream_ctrl &=~EVERGREEN_DP_VID_STREAM_CNTL_ENABLE;
2646	WREG32(EVERGREEN_DP_VID_STREAM_CNTL +
2647	       evergreen_dp_offsets[dig_fe], stream_ctrl);
2648
2649	stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
2650			     evergreen_dp_offsets[dig_fe]);
2651	while (counter < 32 && stream_ctrl & EVERGREEN_DP_VID_STREAM_STATUS) {
2652		msleep(1);
2653		counter++;
2654		stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
2655				     evergreen_dp_offsets[dig_fe]);
2656	}
2657	if (counter >= 32 )
2658		DRM_ERROR("counter exceeds %d\n", counter);
2659
2660	fifo_ctrl = RREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe]);
2661	fifo_ctrl |= EVERGREEN_DP_STEER_FIFO_RESET;
2662	WREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe], fifo_ctrl);
2663
2664}
2665
2666void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
2667{
2668	u32 crtc_enabled, tmp, frame_count, blackout;
2669	int i, j;
2670	unsigned dig_fe;
2671
2672	if (!ASIC_IS_NODCE(rdev)) {
2673		save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
2674		save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
2675
2676		/* disable VGA render */
2677		WREG32(VGA_RENDER_CONTROL, 0);
2678	}
2679	/* blank the display controllers */
2680	for (i = 0; i < rdev->num_crtc; i++) {
2681		crtc_enabled = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN;
2682		if (crtc_enabled) {
2683			save->crtc_enabled[i] = true;
2684			if (ASIC_IS_DCE6(rdev)) {
2685				tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
2686				if (!(tmp & EVERGREEN_CRTC_BLANK_DATA_EN)) {
2687					radeon_wait_for_vblank(rdev, i);
2688					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2689					tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
2690					WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
2691					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2692				}
2693			} else {
2694				tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
2695				if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) {
2696					radeon_wait_for_vblank(rdev, i);
2697					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2698					tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
2699					WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
2700					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2701				}
2702			}
2703			/* wait for the next frame */
2704			frame_count = radeon_get_vblank_counter(rdev, i);
2705			for (j = 0; j < rdev->usec_timeout; j++) {
2706				if (radeon_get_vblank_counter(rdev, i) != frame_count)
2707					break;
2708				udelay(1);
2709			}
2710			/*we should disable dig if it drives dp sst*/
2711			/*but we are in radeon_device_init and the topology is unknown*/
2712			/*and it is available after radeon_modeset_init*/
2713			/*the following method radeon_atom_encoder_dpms_dig*/
2714			/*does the job if we initialize it properly*/
2715			/*for now we do it this manually*/
2716			/**/
2717			if (ASIC_IS_DCE5(rdev) &&
2718			    evergreen_is_dp_sst_stream_enabled(rdev, i ,&dig_fe))
2719				evergreen_blank_dp_output(rdev, dig_fe);
2720			/*we could remove 6 lines below*/
2721			/* XXX this is a hack to avoid strange behavior with EFI on certain systems */
2722			WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2723			tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
2724			tmp &= ~EVERGREEN_CRTC_MASTER_EN;
2725			WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
2726			WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2727			save->crtc_enabled[i] = false;
2728			/* ***** */
2729		} else {
2730			save->crtc_enabled[i] = false;
2731		}
2732	}
2733
2734	radeon_mc_wait_for_idle(rdev);
2735
2736	blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
2737	if ((blackout & BLACKOUT_MODE_MASK) != 1) {
2738		/* Block CPU access */
2739		WREG32(BIF_FB_EN, 0);
2740		/* blackout the MC */
2741		blackout &= ~BLACKOUT_MODE_MASK;
2742		WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
2743	}
2744	/* wait for the MC to settle */
2745	udelay(100);
2746
2747	/* lock double buffered regs */
2748	for (i = 0; i < rdev->num_crtc; i++) {
2749		if (save->crtc_enabled[i]) {
2750			tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
2751			if (!(tmp & EVERGREEN_GRPH_UPDATE_LOCK)) {
2752				tmp |= EVERGREEN_GRPH_UPDATE_LOCK;
2753				WREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i], tmp);
2754			}
2755			tmp = RREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i]);
2756			if (!(tmp & 1)) {
2757				tmp |= 1;
2758				WREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
2759			}
2760		}
2761	}
2762}
2763
2764void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
2765{
2766	u32 tmp, frame_count;
2767	int i, j;
2768
2769	/* update crtc base addresses */
2770	for (i = 0; i < rdev->num_crtc; i++) {
2771		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
2772		       upper_32_bits(rdev->mc.vram_start));
2773		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
2774		       upper_32_bits(rdev->mc.vram_start));
2775		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
2776		       (u32)rdev->mc.vram_start);
2777		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
2778		       (u32)rdev->mc.vram_start);
2779	}
2780
2781	if (!ASIC_IS_NODCE(rdev)) {
2782		WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
2783		WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
2784	}
2785
2786	/* unlock regs and wait for update */
2787	for (i = 0; i < rdev->num_crtc; i++) {
2788		if (save->crtc_enabled[i]) {
2789			tmp = RREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i]);
2790			if ((tmp & 0x7) != 0) {
2791				tmp &= ~0x7;
2792				WREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
2793			}
2794			tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
2795			if (tmp & EVERGREEN_GRPH_UPDATE_LOCK) {
2796				tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK;
2797				WREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i], tmp);
2798			}
2799			tmp = RREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i]);
2800			if (tmp & 1) {
2801				tmp &= ~1;
2802				WREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
2803			}
2804			for (j = 0; j < rdev->usec_timeout; j++) {
2805				tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
2806				if ((tmp & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING) == 0)
2807					break;
2808				udelay(1);
2809			}
2810		}
2811	}
2812
2813	/* unblackout the MC */
2814	tmp = RREG32(MC_SHARED_BLACKOUT_CNTL);
2815	tmp &= ~BLACKOUT_MODE_MASK;
2816	WREG32(MC_SHARED_BLACKOUT_CNTL, tmp);
2817	/* allow CPU access */
2818	WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
2819
2820	for (i = 0; i < rdev->num_crtc; i++) {
2821		if (save->crtc_enabled[i]) {
2822			if (ASIC_IS_DCE6(rdev)) {
2823				tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
2824				tmp &= ~EVERGREEN_CRTC_BLANK_DATA_EN;
2825				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2826				WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
2827				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2828			} else {
2829				tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
2830				tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
2831				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2832				WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
2833				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2834			}
2835			/* wait for the next frame */
2836			frame_count = radeon_get_vblank_counter(rdev, i);
2837			for (j = 0; j < rdev->usec_timeout; j++) {
2838				if (radeon_get_vblank_counter(rdev, i) != frame_count)
2839					break;
2840				udelay(1);
2841			}
2842		}
2843	}
2844	if (!ASIC_IS_NODCE(rdev)) {
2845		/* Unlock vga access */
2846		WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
2847		mdelay(1);
2848		WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
2849	}
2850}
2851
2852void evergreen_mc_program(struct radeon_device *rdev)
2853{
2854	struct evergreen_mc_save save;
2855	u32 tmp;
2856	int i, j;
2857
2858	/* Initialize HDP */
2859	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
2860		WREG32((0x2c14 + j), 0x00000000);
2861		WREG32((0x2c18 + j), 0x00000000);
2862		WREG32((0x2c1c + j), 0x00000000);
2863		WREG32((0x2c20 + j), 0x00000000);
2864		WREG32((0x2c24 + j), 0x00000000);
2865	}
2866	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
2867
2868	evergreen_mc_stop(rdev, &save);
2869	if (evergreen_mc_wait_for_idle(rdev)) {
2870		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
2871	}
2872	/* Lockout access through VGA aperture*/
2873	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
2874	/* Update configuration */
2875	if (rdev->flags & RADEON_IS_AGP) {
2876		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
2877			/* VRAM before AGP */
2878			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
2879				rdev->mc.vram_start >> 12);
2880			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
2881				rdev->mc.gtt_end >> 12);
2882		} else {
2883			/* VRAM after AGP */
2884			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
2885				rdev->mc.gtt_start >> 12);
2886			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
2887				rdev->mc.vram_end >> 12);
2888		}
2889	} else {
2890		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
2891			rdev->mc.vram_start >> 12);
2892		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
2893			rdev->mc.vram_end >> 12);
2894	}
2895	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
2896	/* llano/ontario only */
2897	if ((rdev->family == CHIP_PALM) ||
2898	    (rdev->family == CHIP_SUMO) ||
2899	    (rdev->family == CHIP_SUMO2)) {
2900		tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF;
2901		tmp |= ((rdev->mc.vram_end >> 20) & 0xF) << 24;
2902		tmp |= ((rdev->mc.vram_start >> 20) & 0xF) << 20;
2903		WREG32(MC_FUS_VM_FB_OFFSET, tmp);
2904	}
2905	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
2906	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
2907	WREG32(MC_VM_FB_LOCATION, tmp);
2908	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
2909	WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
2910	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
2911	if (rdev->flags & RADEON_IS_AGP) {
2912		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
2913		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
2914		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
2915	} else {
2916		WREG32(MC_VM_AGP_BASE, 0);
2917		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
2918		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
2919	}
2920	if (evergreen_mc_wait_for_idle(rdev)) {
2921		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
2922	}
2923	evergreen_mc_resume(rdev, &save);
2924	/* we need to own VRAM, so turn off the VGA renderer here
2925	 * to stop it overwriting our objects */
2926	rv515_vga_render_disable(rdev);
2927}
2928
2929/*
2930 * CP.
2931 */
2932void evergreen_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
2933{
2934	struct radeon_ring *ring = &rdev->ring[ib->ring];
2935	u32 next_rptr;
2936
2937	/* set to DX10/11 mode */
2938	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
2939	radeon_ring_write(ring, 1);
2940
2941	if (ring->rptr_save_reg) {
2942		next_rptr = ring->wptr + 3 + 4;
2943		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2944		radeon_ring_write(ring, ((ring->rptr_save_reg - 
2945					  PACKET3_SET_CONFIG_REG_START) >> 2));
2946		radeon_ring_write(ring, next_rptr);
2947	} else if (rdev->wb.enabled) {
2948		next_rptr = ring->wptr + 5 + 4;
2949		radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3));
2950		radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
2951		radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18));
2952		radeon_ring_write(ring, next_rptr);
2953		radeon_ring_write(ring, 0);
2954	}
2955
2956	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
2957	radeon_ring_write(ring,
2958#ifdef __BIG_ENDIAN
2959			  (2 << 0) |
2960#endif
2961			  (ib->gpu_addr & 0xFFFFFFFC));
2962	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
2963	radeon_ring_write(ring, ib->length_dw);
2964}
2965
2966
2967static int evergreen_cp_load_microcode(struct radeon_device *rdev)
2968{
2969	const __be32 *fw_data;
2970	int i;
2971
2972	if (!rdev->me_fw || !rdev->pfp_fw)
2973		return -EINVAL;
2974
2975	r700_cp_stop(rdev);
2976	WREG32(CP_RB_CNTL,
2977#ifdef __BIG_ENDIAN
2978	       BUF_SWAP_32BIT |
2979#endif
2980	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
2981
2982	fw_data = (const __be32 *)rdev->pfp_fw->data;
2983	WREG32(CP_PFP_UCODE_ADDR, 0);
2984	for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++)
2985		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
2986	WREG32(CP_PFP_UCODE_ADDR, 0);
2987
2988	fw_data = (const __be32 *)rdev->me_fw->data;
2989	WREG32(CP_ME_RAM_WADDR, 0);
2990	for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++)
2991		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
2992
2993	WREG32(CP_PFP_UCODE_ADDR, 0);
2994	WREG32(CP_ME_RAM_WADDR, 0);
2995	WREG32(CP_ME_RAM_RADDR, 0);
2996	return 0;
2997}
2998
2999static int evergreen_cp_start(struct radeon_device *rdev)
3000{
3001	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3002	int r, i;
3003	uint32_t cp_me;
3004
3005	r = radeon_ring_lock(rdev, ring, 7);
3006	if (r) {
3007		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3008		return r;
3009	}
3010	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
3011	radeon_ring_write(ring, 0x1);
3012	radeon_ring_write(ring, 0x0);
3013	radeon_ring_write(ring, rdev->config.evergreen.max_hw_contexts - 1);
3014	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
3015	radeon_ring_write(ring, 0);
3016	radeon_ring_write(ring, 0);
3017	radeon_ring_unlock_commit(rdev, ring, false);
3018
3019	cp_me = 0xff;
3020	WREG32(CP_ME_CNTL, cp_me);
3021
3022	r = radeon_ring_lock(rdev, ring, evergreen_default_size + 19);
3023	if (r) {
3024		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3025		return r;
3026	}
3027
3028	/* setup clear context state */
3029	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
3030	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
3031
3032	for (i = 0; i < evergreen_default_size; i++)
3033		radeon_ring_write(ring, evergreen_default_state[i]);
3034
3035	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
3036	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
3037
3038	/* set clear context state */
3039	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
3040	radeon_ring_write(ring, 0);
3041
3042	/* SQ_VTX_BASE_VTX_LOC */
3043	radeon_ring_write(ring, 0xc0026f00);
3044	radeon_ring_write(ring, 0x00000000);
3045	radeon_ring_write(ring, 0x00000000);
3046	radeon_ring_write(ring, 0x00000000);
3047
3048	/* Clear consts */
3049	radeon_ring_write(ring, 0xc0036f00);
3050	radeon_ring_write(ring, 0x00000bc4);
3051	radeon_ring_write(ring, 0xffffffff);
3052	radeon_ring_write(ring, 0xffffffff);
3053	radeon_ring_write(ring, 0xffffffff);
3054
3055	radeon_ring_write(ring, 0xc0026900);
3056	radeon_ring_write(ring, 0x00000316);
3057	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
3058	radeon_ring_write(ring, 0x00000010); /*  */
3059
3060	radeon_ring_unlock_commit(rdev, ring, false);
3061
3062	return 0;
3063}
3064
3065static int evergreen_cp_resume(struct radeon_device *rdev)
3066{
3067	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3068	u32 tmp;
3069	u32 rb_bufsz;
3070	int r;
3071
3072	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
3073	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
3074				 SOFT_RESET_PA |
3075				 SOFT_RESET_SH |
3076				 SOFT_RESET_VGT |
3077				 SOFT_RESET_SPI |
3078				 SOFT_RESET_SX));
3079	RREG32(GRBM_SOFT_RESET);
3080	mdelay(15);
3081	WREG32(GRBM_SOFT_RESET, 0);
3082	RREG32(GRBM_SOFT_RESET);
3083
3084	/* Set ring buffer size */
3085	rb_bufsz = order_base_2(ring->ring_size / 8);
3086	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3087#ifdef __BIG_ENDIAN
3088	tmp |= BUF_SWAP_32BIT;
3089#endif
3090	WREG32(CP_RB_CNTL, tmp);
3091	WREG32(CP_SEM_WAIT_TIMER, 0x0);
3092	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
3093
3094	/* Set the write pointer delay */
3095	WREG32(CP_RB_WPTR_DELAY, 0);
3096
3097	/* Initialize the ring buffer's read and write pointers */
3098	WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
3099	WREG32(CP_RB_RPTR_WR, 0);
3100	ring->wptr = 0;
3101	WREG32(CP_RB_WPTR, ring->wptr);
3102
3103	/* set the wb address whether it's enabled or not */
3104	WREG32(CP_RB_RPTR_ADDR,
3105	       ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
3106	WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
3107	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
3108
3109	if (rdev->wb.enabled)
3110		WREG32(SCRATCH_UMSK, 0xff);
3111	else {
3112		tmp |= RB_NO_UPDATE;
3113		WREG32(SCRATCH_UMSK, 0);
3114	}
3115
3116	mdelay(1);
3117	WREG32(CP_RB_CNTL, tmp);
3118
3119	WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
3120	WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
3121
3122	evergreen_cp_start(rdev);
3123	ring->ready = true;
3124	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
3125	if (r) {
3126		ring->ready = false;
3127		return r;
3128	}
3129	return 0;
3130}
3131
3132/*
3133 * Core functions
3134 */
3135static void evergreen_gpu_init(struct radeon_device *rdev)
3136{
3137	u32 gb_addr_config;
3138	u32 mc_arb_ramcfg;
3139	u32 sx_debug_1;
3140	u32 smx_dc_ctl0;
3141	u32 sq_config;
3142	u32 sq_lds_resource_mgmt;
3143	u32 sq_gpr_resource_mgmt_1;
3144	u32 sq_gpr_resource_mgmt_2;
3145	u32 sq_gpr_resource_mgmt_3;
3146	u32 sq_thread_resource_mgmt;
3147	u32 sq_thread_resource_mgmt_2;
3148	u32 sq_stack_resource_mgmt_1;
3149	u32 sq_stack_resource_mgmt_2;
3150	u32 sq_stack_resource_mgmt_3;
3151	u32 vgt_cache_invalidation;
3152	u32 hdp_host_path_cntl, tmp;
3153	u32 disabled_rb_mask;
3154	int i, j, ps_thread_count;
3155
3156	switch (rdev->family) {
3157	case CHIP_CYPRESS:
3158	case CHIP_HEMLOCK:
3159		rdev->config.evergreen.num_ses = 2;
3160		rdev->config.evergreen.max_pipes = 4;
3161		rdev->config.evergreen.max_tile_pipes = 8;
3162		rdev->config.evergreen.max_simds = 10;
3163		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
3164		rdev->config.evergreen.max_gprs = 256;
3165		rdev->config.evergreen.max_threads = 248;
3166		rdev->config.evergreen.max_gs_threads = 32;
3167		rdev->config.evergreen.max_stack_entries = 512;
3168		rdev->config.evergreen.sx_num_of_sets = 4;
3169		rdev->config.evergreen.sx_max_export_size = 256;
3170		rdev->config.evergreen.sx_max_export_pos_size = 64;
3171		rdev->config.evergreen.sx_max_export_smx_size = 192;
3172		rdev->config.evergreen.max_hw_contexts = 8;
3173		rdev->config.evergreen.sq_num_cf_insts = 2;
3174
3175		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3176		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3177		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3178		gb_addr_config = CYPRESS_GB_ADDR_CONFIG_GOLDEN;
3179		break;
3180	case CHIP_JUNIPER:
3181		rdev->config.evergreen.num_ses = 1;
3182		rdev->config.evergreen.max_pipes = 4;
3183		rdev->config.evergreen.max_tile_pipes = 4;
3184		rdev->config.evergreen.max_simds = 10;
3185		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
3186		rdev->config.evergreen.max_gprs = 256;
3187		rdev->config.evergreen.max_threads = 248;
3188		rdev->config.evergreen.max_gs_threads = 32;
3189		rdev->config.evergreen.max_stack_entries = 512;
3190		rdev->config.evergreen.sx_num_of_sets = 4;
3191		rdev->config.evergreen.sx_max_export_size = 256;
3192		rdev->config.evergreen.sx_max_export_pos_size = 64;
3193		rdev->config.evergreen.sx_max_export_smx_size = 192;
3194		rdev->config.evergreen.max_hw_contexts = 8;
3195		rdev->config.evergreen.sq_num_cf_insts = 2;
3196
3197		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3198		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3199		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3200		gb_addr_config = JUNIPER_GB_ADDR_CONFIG_GOLDEN;
3201		break;
3202	case CHIP_REDWOOD:
3203		rdev->config.evergreen.num_ses = 1;
3204		rdev->config.evergreen.max_pipes = 4;
3205		rdev->config.evergreen.max_tile_pipes = 4;
3206		rdev->config.evergreen.max_simds = 5;
3207		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
3208		rdev->config.evergreen.max_gprs = 256;
3209		rdev->config.evergreen.max_threads = 248;
3210		rdev->config.evergreen.max_gs_threads = 32;
3211		rdev->config.evergreen.max_stack_entries = 256;
3212		rdev->config.evergreen.sx_num_of_sets = 4;
3213		rdev->config.evergreen.sx_max_export_size = 256;
3214		rdev->config.evergreen.sx_max_export_pos_size = 64;
3215		rdev->config.evergreen.sx_max_export_smx_size = 192;
3216		rdev->config.evergreen.max_hw_contexts = 8;
3217		rdev->config.evergreen.sq_num_cf_insts = 2;
3218
3219		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3220		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3221		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3222		gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
3223		break;
3224	case CHIP_CEDAR:
3225	default:
3226		rdev->config.evergreen.num_ses = 1;
3227		rdev->config.evergreen.max_pipes = 2;
3228		rdev->config.evergreen.max_tile_pipes = 2;
3229		rdev->config.evergreen.max_simds = 2;
3230		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3231		rdev->config.evergreen.max_gprs = 256;
3232		rdev->config.evergreen.max_threads = 192;
3233		rdev->config.evergreen.max_gs_threads = 16;
3234		rdev->config.evergreen.max_stack_entries = 256;
3235		rdev->config.evergreen.sx_num_of_sets = 4;
3236		rdev->config.evergreen.sx_max_export_size = 128;
3237		rdev->config.evergreen.sx_max_export_pos_size = 32;
3238		rdev->config.evergreen.sx_max_export_smx_size = 96;
3239		rdev->config.evergreen.max_hw_contexts = 4;
3240		rdev->config.evergreen.sq_num_cf_insts = 1;
3241
3242		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3243		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3244		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3245		gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN;
3246		break;
3247	case CHIP_PALM:
3248		rdev->config.evergreen.num_ses = 1;
3249		rdev->config.evergreen.max_pipes = 2;
3250		rdev->config.evergreen.max_tile_pipes = 2;
3251		rdev->config.evergreen.max_simds = 2;
3252		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3253		rdev->config.evergreen.max_gprs = 256;
3254		rdev->config.evergreen.max_threads = 192;
3255		rdev->config.evergreen.max_gs_threads = 16;
3256		rdev->config.evergreen.max_stack_entries = 256;
3257		rdev->config.evergreen.sx_num_of_sets = 4;
3258		rdev->config.evergreen.sx_max_export_size = 128;
3259		rdev->config.evergreen.sx_max_export_pos_size = 32;
3260		rdev->config.evergreen.sx_max_export_smx_size = 96;
3261		rdev->config.evergreen.max_hw_contexts = 4;
3262		rdev->config.evergreen.sq_num_cf_insts = 1;
3263
3264		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3265		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3266		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3267		gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN;
3268		break;
3269	case CHIP_SUMO:
3270		rdev->config.evergreen.num_ses = 1;
3271		rdev->config.evergreen.max_pipes = 4;
3272		rdev->config.evergreen.max_tile_pipes = 4;
3273		if (rdev->pdev->device == 0x9648)
3274			rdev->config.evergreen.max_simds = 3;
3275		else if ((rdev->pdev->device == 0x9647) ||
3276			 (rdev->pdev->device == 0x964a))
3277			rdev->config.evergreen.max_simds = 4;
3278		else
3279			rdev->config.evergreen.max_simds = 5;
3280		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
3281		rdev->config.evergreen.max_gprs = 256;
3282		rdev->config.evergreen.max_threads = 248;
3283		rdev->config.evergreen.max_gs_threads = 32;
3284		rdev->config.evergreen.max_stack_entries = 256;
3285		rdev->config.evergreen.sx_num_of_sets = 4;
3286		rdev->config.evergreen.sx_max_export_size = 256;
3287		rdev->config.evergreen.sx_max_export_pos_size = 64;
3288		rdev->config.evergreen.sx_max_export_smx_size = 192;
3289		rdev->config.evergreen.max_hw_contexts = 8;
3290		rdev->config.evergreen.sq_num_cf_insts = 2;
3291
3292		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3293		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3294		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3295		gb_addr_config = SUMO_GB_ADDR_CONFIG_GOLDEN;
3296		break;
3297	case CHIP_SUMO2:
3298		rdev->config.evergreen.num_ses = 1;
3299		rdev->config.evergreen.max_pipes = 4;
3300		rdev->config.evergreen.max_tile_pipes = 4;
3301		rdev->config.evergreen.max_simds = 2;
3302		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3303		rdev->config.evergreen.max_gprs = 256;
3304		rdev->config.evergreen.max_threads = 248;
3305		rdev->config.evergreen.max_gs_threads = 32;
3306		rdev->config.evergreen.max_stack_entries = 512;
3307		rdev->config.evergreen.sx_num_of_sets = 4;
3308		rdev->config.evergreen.sx_max_export_size = 256;
3309		rdev->config.evergreen.sx_max_export_pos_size = 64;
3310		rdev->config.evergreen.sx_max_export_smx_size = 192;
3311		rdev->config.evergreen.max_hw_contexts = 4;
3312		rdev->config.evergreen.sq_num_cf_insts = 2;
3313
3314		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3315		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3316		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3317		gb_addr_config = SUMO2_GB_ADDR_CONFIG_GOLDEN;
3318		break;
3319	case CHIP_BARTS:
3320		rdev->config.evergreen.num_ses = 2;
3321		rdev->config.evergreen.max_pipes = 4;
3322		rdev->config.evergreen.max_tile_pipes = 8;
3323		rdev->config.evergreen.max_simds = 7;
3324		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
3325		rdev->config.evergreen.max_gprs = 256;
3326		rdev->config.evergreen.max_threads = 248;
3327		rdev->config.evergreen.max_gs_threads = 32;
3328		rdev->config.evergreen.max_stack_entries = 512;
3329		rdev->config.evergreen.sx_num_of_sets = 4;
3330		rdev->config.evergreen.sx_max_export_size = 256;
3331		rdev->config.evergreen.sx_max_export_pos_size = 64;
3332		rdev->config.evergreen.sx_max_export_smx_size = 192;
3333		rdev->config.evergreen.max_hw_contexts = 8;
3334		rdev->config.evergreen.sq_num_cf_insts = 2;
3335
3336		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3337		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3338		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3339		gb_addr_config = BARTS_GB_ADDR_CONFIG_GOLDEN;
3340		break;
3341	case CHIP_TURKS:
3342		rdev->config.evergreen.num_ses = 1;
3343		rdev->config.evergreen.max_pipes = 4;
3344		rdev->config.evergreen.max_tile_pipes = 4;
3345		rdev->config.evergreen.max_simds = 6;
3346		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
3347		rdev->config.evergreen.max_gprs = 256;
3348		rdev->config.evergreen.max_threads = 248;
3349		rdev->config.evergreen.max_gs_threads = 32;
3350		rdev->config.evergreen.max_stack_entries = 256;
3351		rdev->config.evergreen.sx_num_of_sets = 4;
3352		rdev->config.evergreen.sx_max_export_size = 256;
3353		rdev->config.evergreen.sx_max_export_pos_size = 64;
3354		rdev->config.evergreen.sx_max_export_smx_size = 192;
3355		rdev->config.evergreen.max_hw_contexts = 8;
3356		rdev->config.evergreen.sq_num_cf_insts = 2;
3357
3358		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3359		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3360		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3361		gb_addr_config = TURKS_GB_ADDR_CONFIG_GOLDEN;
3362		break;
3363	case CHIP_CAICOS:
3364		rdev->config.evergreen.num_ses = 1;
3365		rdev->config.evergreen.max_pipes = 2;
3366		rdev->config.evergreen.max_tile_pipes = 2;
3367		rdev->config.evergreen.max_simds = 2;
3368		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3369		rdev->config.evergreen.max_gprs = 256;
3370		rdev->config.evergreen.max_threads = 192;
3371		rdev->config.evergreen.max_gs_threads = 16;
3372		rdev->config.evergreen.max_stack_entries = 256;
3373		rdev->config.evergreen.sx_num_of_sets = 4;
3374		rdev->config.evergreen.sx_max_export_size = 128;
3375		rdev->config.evergreen.sx_max_export_pos_size = 32;
3376		rdev->config.evergreen.sx_max_export_smx_size = 96;
3377		rdev->config.evergreen.max_hw_contexts = 4;
3378		rdev->config.evergreen.sq_num_cf_insts = 1;
3379
3380		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3381		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3382		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3383		gb_addr_config = CAICOS_GB_ADDR_CONFIG_GOLDEN;
3384		break;
3385	}
3386
3387	/* Initialize HDP */
3388	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
3389		WREG32((0x2c14 + j), 0x00000000);
3390		WREG32((0x2c18 + j), 0x00000000);
3391		WREG32((0x2c1c + j), 0x00000000);
3392		WREG32((0x2c20 + j), 0x00000000);
3393		WREG32((0x2c24 + j), 0x00000000);
3394	}
3395
3396	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
3397	WREG32(SRBM_INT_CNTL, 0x1);
3398	WREG32(SRBM_INT_ACK, 0x1);
3399
3400	evergreen_fix_pci_max_read_req_size(rdev);
3401
3402	RREG32(MC_SHARED_CHMAP);
3403	if ((rdev->family == CHIP_PALM) ||
3404	    (rdev->family == CHIP_SUMO) ||
3405	    (rdev->family == CHIP_SUMO2))
3406		mc_arb_ramcfg = RREG32(FUS_MC_ARB_RAMCFG);
3407	else
3408		mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
3409
3410	/* setup tiling info dword.  gb_addr_config is not adequate since it does
3411	 * not have bank info, so create a custom tiling dword.
3412	 * bits 3:0   num_pipes
3413	 * bits 7:4   num_banks
3414	 * bits 11:8  group_size
3415	 * bits 15:12 row_size
3416	 */
3417	rdev->config.evergreen.tile_config = 0;
3418	switch (rdev->config.evergreen.max_tile_pipes) {
3419	case 1:
3420	default:
3421		rdev->config.evergreen.tile_config |= (0 << 0);
3422		break;
3423	case 2:
3424		rdev->config.evergreen.tile_config |= (1 << 0);
3425		break;
3426	case 4:
3427		rdev->config.evergreen.tile_config |= (2 << 0);
3428		break;
3429	case 8:
3430		rdev->config.evergreen.tile_config |= (3 << 0);
3431		break;
3432	}
3433	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
3434	if (rdev->flags & RADEON_IS_IGP)
3435		rdev->config.evergreen.tile_config |= 1 << 4;
3436	else {
3437		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
3438		case 0: /* four banks */
3439			rdev->config.evergreen.tile_config |= 0 << 4;
3440			break;
3441		case 1: /* eight banks */
3442			rdev->config.evergreen.tile_config |= 1 << 4;
3443			break;
3444		case 2: /* sixteen banks */
3445		default:
3446			rdev->config.evergreen.tile_config |= 2 << 4;
3447			break;
3448		}
3449	}
3450	rdev->config.evergreen.tile_config |= 0 << 8;
3451	rdev->config.evergreen.tile_config |=
3452		((gb_addr_config & 0x30000000) >> 28) << 12;
3453
3454	if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK)) {
3455		u32 efuse_straps_4;
3456		u32 efuse_straps_3;
3457
3458		efuse_straps_4 = RREG32_RCU(0x204);
3459		efuse_straps_3 = RREG32_RCU(0x203);
3460		tmp = (((efuse_straps_4 & 0xf) << 4) |
3461		      ((efuse_straps_3 & 0xf0000000) >> 28));
3462	} else {
3463		tmp = 0;
3464		for (i = (rdev->config.evergreen.num_ses - 1); i >= 0; i--) {
3465			u32 rb_disable_bitmap;
3466
3467			WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3468			WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3469			rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
3470			tmp <<= 4;
3471			tmp |= rb_disable_bitmap;
3472		}
3473	}
3474	/* enabled rb are just the one not disabled :) */
3475	disabled_rb_mask = tmp;
3476	tmp = 0;
3477	for (i = 0; i < rdev->config.evergreen.max_backends; i++)
3478		tmp |= (1 << i);
3479	/* if all the backends are disabled, fix it up here */
3480	if ((disabled_rb_mask & tmp) == tmp) {
3481		for (i = 0; i < rdev->config.evergreen.max_backends; i++)
3482			disabled_rb_mask &= ~(1 << i);
3483	}
3484
3485	for (i = 0; i < rdev->config.evergreen.num_ses; i++) {
3486		u32 simd_disable_bitmap;
3487
3488		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3489		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3490		simd_disable_bitmap = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
3491		simd_disable_bitmap |= 0xffffffff << rdev->config.evergreen.max_simds;
3492		tmp <<= 16;
3493		tmp |= simd_disable_bitmap;
3494	}
3495	rdev->config.evergreen.active_simds = hweight32(~tmp);
3496
3497	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
3498	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
3499
3500	WREG32(GB_ADDR_CONFIG, gb_addr_config);
3501	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
3502	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
3503	WREG32(DMA_TILING_CONFIG, gb_addr_config);
3504	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
3505	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
3506	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
3507
3508	if ((rdev->config.evergreen.max_backends == 1) &&
3509	    (rdev->flags & RADEON_IS_IGP)) {
3510		if ((disabled_rb_mask & 3) == 1) {
3511			/* RB0 disabled, RB1 enabled */
3512			tmp = 0x11111111;
3513		} else {
3514			/* RB1 disabled, RB0 enabled */
3515			tmp = 0x00000000;
3516		}
3517	} else {
3518		tmp = gb_addr_config & NUM_PIPES_MASK;
3519		tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends,
3520						EVERGREEN_MAX_BACKENDS, disabled_rb_mask);
3521	}
3522	rdev->config.evergreen.backend_map = tmp;
3523	WREG32(GB_BACKEND_MAP, tmp);
3524
3525	WREG32(CGTS_SYS_TCC_DISABLE, 0);
3526	WREG32(CGTS_TCC_DISABLE, 0);
3527	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
3528	WREG32(CGTS_USER_TCC_DISABLE, 0);
3529
3530	/* set HW defaults for 3D engine */
3531	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
3532				     ROQ_IB2_START(0x2b)));
3533
3534	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
3535
3536	WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
3537			     SYNC_GRADIENT |
3538			     SYNC_WALKER |
3539			     SYNC_ALIGNER));
3540
3541	sx_debug_1 = RREG32(SX_DEBUG_1);
3542	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
3543	WREG32(SX_DEBUG_1, sx_debug_1);
3544
3545
3546	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
3547	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
3548	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
3549	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
3550
3551	if (rdev->family <= CHIP_SUMO2)
3552		WREG32(SMX_SAR_CTL0, 0x00010000);
3553
3554	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
3555					POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
3556					SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
3557
3558	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
3559				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
3560				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));
3561
3562	WREG32(VGT_NUM_INSTANCES, 1);
3563	WREG32(SPI_CONFIG_CNTL, 0);
3564	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
3565	WREG32(CP_PERFMON_CNTL, 0);
3566
3567	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
3568				  FETCH_FIFO_HIWATER(0x4) |
3569				  DONE_FIFO_HIWATER(0xe0) |
3570				  ALU_UPDATE_FIFO_HIWATER(0x8)));
3571
3572	sq_config = RREG32(SQ_CONFIG);
3573	sq_config &= ~(PS_PRIO(3) |
3574		       VS_PRIO(3) |
3575		       GS_PRIO(3) |
3576		       ES_PRIO(3));
3577	sq_config |= (VC_ENABLE |
3578		      EXPORT_SRC_C |
3579		      PS_PRIO(0) |
3580		      VS_PRIO(1) |
3581		      GS_PRIO(2) |
3582		      ES_PRIO(3));
3583
3584	switch (rdev->family) {
3585	case CHIP_CEDAR:
3586	case CHIP_PALM:
3587	case CHIP_SUMO:
3588	case CHIP_SUMO2:
3589	case CHIP_CAICOS:
3590		/* no vertex cache */
3591		sq_config &= ~VC_ENABLE;
3592		break;
3593	default:
3594		break;
3595	}
3596
3597	sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);
3598
3599	sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32);
3600	sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32);
3601	sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4);
3602	sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
3603	sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
3604	sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
3605	sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
3606
3607	switch (rdev->family) {
3608	case CHIP_CEDAR:
3609	case CHIP_PALM:
3610	case CHIP_SUMO:
3611	case CHIP_SUMO2:
3612		ps_thread_count = 96;
3613		break;
3614	default:
3615		ps_thread_count = 128;
3616		break;
3617	}
3618
3619	sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
3620	sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3621	sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3622	sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3623	sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3624	sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3625
3626	sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3627	sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3628	sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3629	sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3630	sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3631	sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3632
3633	WREG32(SQ_CONFIG, sq_config);
3634	WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
3635	WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
3636	WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3);
3637	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
3638	WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2);
3639	WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
3640	WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
3641	WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3);
3642	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
3643	WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt);
3644
3645	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
3646					  FORCE_EOV_MAX_REZ_CNT(255)));
3647
3648	switch (rdev->family) {
3649	case CHIP_CEDAR:
3650	case CHIP_PALM:
3651	case CHIP_SUMO:
3652	case CHIP_SUMO2:
3653	case CHIP_CAICOS:
3654		vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
3655		break;
3656	default:
3657		vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
3658		break;
3659	}
3660	vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
3661	WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);
3662
3663	WREG32(VGT_GS_VERTEX_REUSE, 16);
3664	WREG32(PA_SU_LINE_STIPPLE_VALUE, 0);
3665	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
3666
3667	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14);
3668	WREG32(VGT_OUT_DEALLOC_CNTL, 16);
3669
3670	WREG32(CB_PERF_CTR0_SEL_0, 0);
3671	WREG32(CB_PERF_CTR0_SEL_1, 0);
3672	WREG32(CB_PERF_CTR1_SEL_0, 0);
3673	WREG32(CB_PERF_CTR1_SEL_1, 0);
3674	WREG32(CB_PERF_CTR2_SEL_0, 0);
3675	WREG32(CB_PERF_CTR2_SEL_1, 0);
3676	WREG32(CB_PERF_CTR3_SEL_0, 0);
3677	WREG32(CB_PERF_CTR3_SEL_1, 0);
3678
3679	/* clear render buffer base addresses */
3680	WREG32(CB_COLOR0_BASE, 0);
3681	WREG32(CB_COLOR1_BASE, 0);
3682	WREG32(CB_COLOR2_BASE, 0);
3683	WREG32(CB_COLOR3_BASE, 0);
3684	WREG32(CB_COLOR4_BASE, 0);
3685	WREG32(CB_COLOR5_BASE, 0);
3686	WREG32(CB_COLOR6_BASE, 0);
3687	WREG32(CB_COLOR7_BASE, 0);
3688	WREG32(CB_COLOR8_BASE, 0);
3689	WREG32(CB_COLOR9_BASE, 0);
3690	WREG32(CB_COLOR10_BASE, 0);
3691	WREG32(CB_COLOR11_BASE, 0);
3692
3693	/* set the shader const cache sizes to 0 */
3694	for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4)
3695		WREG32(i, 0);
3696	for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4)
3697		WREG32(i, 0);
3698
3699	tmp = RREG32(HDP_MISC_CNTL);
3700	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
3701	WREG32(HDP_MISC_CNTL, tmp);
3702
3703	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
3704	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
3705
3706	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
3707
3708	udelay(50);
3709
3710}
3711
3712int evergreen_mc_init(struct radeon_device *rdev)
3713{
3714	u32 tmp;
3715	int chansize, numchan;
3716
3717	/* Get VRAM informations */
3718	rdev->mc.vram_is_ddr = true;
3719	if ((rdev->family == CHIP_PALM) ||
3720	    (rdev->family == CHIP_SUMO) ||
3721	    (rdev->family == CHIP_SUMO2))
3722		tmp = RREG32(FUS_MC_ARB_RAMCFG);
3723	else
3724		tmp = RREG32(MC_ARB_RAMCFG);
3725	if (tmp & CHANSIZE_OVERRIDE) {
3726		chansize = 16;
3727	} else if (tmp & CHANSIZE_MASK) {
3728		chansize = 64;
3729	} else {
3730		chansize = 32;
3731	}
3732	tmp = RREG32(MC_SHARED_CHMAP);
3733	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
3734	case 0:
3735	default:
3736		numchan = 1;
3737		break;
3738	case 1:
3739		numchan = 2;
3740		break;
3741	case 2:
3742		numchan = 4;
3743		break;
3744	case 3:
3745		numchan = 8;
3746		break;
3747	}
3748	rdev->mc.vram_width = numchan * chansize;
3749	/* Could aper size report 0 ? */
3750	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
3751	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
3752	/* Setup GPU memory space */
3753	if ((rdev->family == CHIP_PALM) ||
3754	    (rdev->family == CHIP_SUMO) ||
3755	    (rdev->family == CHIP_SUMO2)) {
3756		/* size in bytes on fusion */
3757		rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
3758		rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
3759	} else {
3760		/* size in MB on evergreen/cayman/tn */
3761		rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL;
3762		rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL;
3763	}
3764	rdev->mc.visible_vram_size = rdev->mc.aper_size;
3765	r700_vram_gtt_location(rdev, &rdev->mc);
3766	radeon_update_bandwidth_info(rdev);
3767
3768	return 0;
3769}
3770
3771void evergreen_print_gpu_status_regs(struct radeon_device *rdev)
3772{
3773	dev_info(rdev->dev, "  GRBM_STATUS               = 0x%08X\n",
3774		RREG32(GRBM_STATUS));
3775	dev_info(rdev->dev, "  GRBM_STATUS_SE0           = 0x%08X\n",
3776		RREG32(GRBM_STATUS_SE0));
3777	dev_info(rdev->dev, "  GRBM_STATUS_SE1           = 0x%08X\n",
3778		RREG32(GRBM_STATUS_SE1));
3779	dev_info(rdev->dev, "  SRBM_STATUS               = 0x%08X\n",
3780		RREG32(SRBM_STATUS));
3781	dev_info(rdev->dev, "  SRBM_STATUS2              = 0x%08X\n",
3782		RREG32(SRBM_STATUS2));
3783	dev_info(rdev->dev, "  R_008674_CP_STALLED_STAT1 = 0x%08X\n",
3784		RREG32(CP_STALLED_STAT1));
3785	dev_info(rdev->dev, "  R_008678_CP_STALLED_STAT2 = 0x%08X\n",
3786		RREG32(CP_STALLED_STAT2));
3787	dev_info(rdev->dev, "  R_00867C_CP_BUSY_STAT     = 0x%08X\n",
3788		RREG32(CP_BUSY_STAT));
3789	dev_info(rdev->dev, "  R_008680_CP_STAT          = 0x%08X\n",
3790		RREG32(CP_STAT));
3791	dev_info(rdev->dev, "  R_00D034_DMA_STATUS_REG   = 0x%08X\n",
3792		RREG32(DMA_STATUS_REG));
3793	if (rdev->family >= CHIP_CAYMAN) {
3794		dev_info(rdev->dev, "  R_00D834_DMA_STATUS_REG   = 0x%08X\n",
3795			 RREG32(DMA_STATUS_REG + 0x800));
3796	}
3797}
3798
3799bool evergreen_is_display_hung(struct radeon_device *rdev)
3800{
3801	u32 crtc_hung = 0;
3802	u32 crtc_status[6];
3803	u32 i, j, tmp;
3804
3805	for (i = 0; i < rdev->num_crtc; i++) {
3806		if (RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN) {
3807			crtc_status[i] = RREG32(EVERGREEN_CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
3808			crtc_hung |= (1 << i);
3809		}
3810	}
3811
3812	for (j = 0; j < 10; j++) {
3813		for (i = 0; i < rdev->num_crtc; i++) {
3814			if (crtc_hung & (1 << i)) {
3815				tmp = RREG32(EVERGREEN_CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
3816				if (tmp != crtc_status[i])
3817					crtc_hung &= ~(1 << i);
3818			}
3819		}
3820		if (crtc_hung == 0)
3821			return false;
3822		udelay(100);
3823	}
3824
3825	return true;
3826}
3827
3828u32 evergreen_gpu_check_soft_reset(struct radeon_device *rdev)
3829{
3830	u32 reset_mask = 0;
3831	u32 tmp;
3832
3833	/* GRBM_STATUS */
3834	tmp = RREG32(GRBM_STATUS);
3835	if (tmp & (PA_BUSY | SC_BUSY |
3836		   SH_BUSY | SX_BUSY |
3837		   TA_BUSY | VGT_BUSY |
3838		   DB_BUSY | CB_BUSY |
3839		   SPI_BUSY | VGT_BUSY_NO_DMA))
3840		reset_mask |= RADEON_RESET_GFX;
3841
3842	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
3843		   CP_BUSY | CP_COHERENCY_BUSY))
3844		reset_mask |= RADEON_RESET_CP;
3845
3846	if (tmp & GRBM_EE_BUSY)
3847		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
3848
3849	/* DMA_STATUS_REG */
3850	tmp = RREG32(DMA_STATUS_REG);
3851	if (!(tmp & DMA_IDLE))
3852		reset_mask |= RADEON_RESET_DMA;
3853
3854	/* SRBM_STATUS2 */
3855	tmp = RREG32(SRBM_STATUS2);
3856	if (tmp & DMA_BUSY)
3857		reset_mask |= RADEON_RESET_DMA;
3858
3859	/* SRBM_STATUS */
3860	tmp = RREG32(SRBM_STATUS);
3861	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
3862		reset_mask |= RADEON_RESET_RLC;
3863
3864	if (tmp & IH_BUSY)
3865		reset_mask |= RADEON_RESET_IH;
3866
3867	if (tmp & SEM_BUSY)
3868		reset_mask |= RADEON_RESET_SEM;
3869
3870	if (tmp & GRBM_RQ_PENDING)
3871		reset_mask |= RADEON_RESET_GRBM;
3872
3873	if (tmp & VMC_BUSY)
3874		reset_mask |= RADEON_RESET_VMC;
3875
3876	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
3877		   MCC_BUSY | MCD_BUSY))
3878		reset_mask |= RADEON_RESET_MC;
3879
3880	if (evergreen_is_display_hung(rdev))
3881		reset_mask |= RADEON_RESET_DISPLAY;
3882
3883	/* VM_L2_STATUS */
3884	tmp = RREG32(VM_L2_STATUS);
3885	if (tmp & L2_BUSY)
3886		reset_mask |= RADEON_RESET_VMC;
3887
3888	/* Skip MC reset as it's mostly likely not hung, just busy */
3889	if (reset_mask & RADEON_RESET_MC) {
3890		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
3891		reset_mask &= ~RADEON_RESET_MC;
3892	}
3893
3894	return reset_mask;
3895}
3896
3897static void evergreen_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
3898{
3899	struct evergreen_mc_save save;
3900	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
3901	u32 tmp;
3902
3903	if (reset_mask == 0)
3904		return;
3905
3906	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
3907
3908	evergreen_print_gpu_status_regs(rdev);
3909
3910	/* Disable CP parsing/prefetching */
3911	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
3912
3913	if (reset_mask & RADEON_RESET_DMA) {
3914		/* Disable DMA */
3915		tmp = RREG32(DMA_RB_CNTL);
3916		tmp &= ~DMA_RB_ENABLE;
3917		WREG32(DMA_RB_CNTL, tmp);
3918	}
3919
3920	udelay(50);
3921
3922	evergreen_mc_stop(rdev, &save);
3923	if (evergreen_mc_wait_for_idle(rdev)) {
3924		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
3925	}
3926
3927	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
3928		grbm_soft_reset |= SOFT_RESET_DB |
3929			SOFT_RESET_CB |
3930			SOFT_RESET_PA |
3931			SOFT_RESET_SC |
3932			SOFT_RESET_SPI |
3933			SOFT_RESET_SX |
3934			SOFT_RESET_SH |
3935			SOFT_RESET_TC |
3936			SOFT_RESET_TA |
3937			SOFT_RESET_VC |
3938			SOFT_RESET_VGT;
3939	}
3940
3941	if (reset_mask & RADEON_RESET_CP) {
3942		grbm_soft_reset |= SOFT_RESET_CP |
3943			SOFT_RESET_VGT;
3944
3945		srbm_soft_reset |= SOFT_RESET_GRBM;
3946	}
3947
3948	if (reset_mask & RADEON_RESET_DMA)
3949		srbm_soft_reset |= SOFT_RESET_DMA;
3950
3951	if (reset_mask & RADEON_RESET_DISPLAY)
3952		srbm_soft_reset |= SOFT_RESET_DC;
3953
3954	if (reset_mask & RADEON_RESET_RLC)
3955		srbm_soft_reset |= SOFT_RESET_RLC;
3956
3957	if (reset_mask & RADEON_RESET_SEM)
3958		srbm_soft_reset |= SOFT_RESET_SEM;
3959
3960	if (reset_mask & RADEON_RESET_IH)
3961		srbm_soft_reset |= SOFT_RESET_IH;
3962
3963	if (reset_mask & RADEON_RESET_GRBM)
3964		srbm_soft_reset |= SOFT_RESET_GRBM;
3965
3966	if (reset_mask & RADEON_RESET_VMC)
3967		srbm_soft_reset |= SOFT_RESET_VMC;
3968
3969	if (!(rdev->flags & RADEON_IS_IGP)) {
3970		if (reset_mask & RADEON_RESET_MC)
3971			srbm_soft_reset |= SOFT_RESET_MC;
3972	}
3973
3974	if (grbm_soft_reset) {
3975		tmp = RREG32(GRBM_SOFT_RESET);
3976		tmp |= grbm_soft_reset;
3977		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
3978		WREG32(GRBM_SOFT_RESET, tmp);
3979		tmp = RREG32(GRBM_SOFT_RESET);
3980
3981		udelay(50);
3982
3983		tmp &= ~grbm_soft_reset;
3984		WREG32(GRBM_SOFT_RESET, tmp);
3985		tmp = RREG32(GRBM_SOFT_RESET);
3986	}
3987
3988	if (srbm_soft_reset) {
3989		tmp = RREG32(SRBM_SOFT_RESET);
3990		tmp |= srbm_soft_reset;
3991		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3992		WREG32(SRBM_SOFT_RESET, tmp);
3993		tmp = RREG32(SRBM_SOFT_RESET);
3994
3995		udelay(50);
3996
3997		tmp &= ~srbm_soft_reset;
3998		WREG32(SRBM_SOFT_RESET, tmp);
3999		tmp = RREG32(SRBM_SOFT_RESET);
4000	}
4001
4002	/* Wait a little for things to settle down */
4003	udelay(50);
4004
4005	evergreen_mc_resume(rdev, &save);
4006	udelay(50);
4007
4008	evergreen_print_gpu_status_regs(rdev);
4009}
4010
4011void evergreen_gpu_pci_config_reset(struct radeon_device *rdev)
4012{
4013	struct evergreen_mc_save save;
4014	u32 tmp, i;
4015
4016	dev_info(rdev->dev, "GPU pci config reset\n");
4017
4018	/* disable dpm? */
4019
4020	/* Disable CP parsing/prefetching */
4021	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
4022	udelay(50);
4023	/* Disable DMA */
4024	tmp = RREG32(DMA_RB_CNTL);
4025	tmp &= ~DMA_RB_ENABLE;
4026	WREG32(DMA_RB_CNTL, tmp);
4027	/* XXX other engines? */
4028
4029	/* halt the rlc */
4030	r600_rlc_stop(rdev);
4031
4032	udelay(50);
4033
4034	/* set mclk/sclk to bypass */
4035	rv770_set_clk_bypass_mode(rdev);
4036	/* disable BM */
4037	pci_clear_master(rdev->pdev);
4038	/* disable mem access */
4039	evergreen_mc_stop(rdev, &save);
4040	if (evergreen_mc_wait_for_idle(rdev)) {
4041		dev_warn(rdev->dev, "Wait for MC idle timed out !\n");
4042	}
4043	/* reset */
4044	radeon_pci_config_reset(rdev);
4045	/* wait for asic to come out of reset */
4046	for (i = 0; i < rdev->usec_timeout; i++) {
4047		if (RREG32(CONFIG_MEMSIZE) != 0xffffffff)
4048			break;
4049		udelay(1);
4050	}
4051}
4052
4053int evergreen_asic_reset(struct radeon_device *rdev, bool hard)
4054{
4055	u32 reset_mask;
4056
4057	if (hard) {
4058		evergreen_gpu_pci_config_reset(rdev);
4059		return 0;
4060	}
4061
4062	reset_mask = evergreen_gpu_check_soft_reset(rdev);
4063
4064	if (reset_mask)
4065		r600_set_bios_scratch_engine_hung(rdev, true);
4066
4067	/* try soft reset */
4068	evergreen_gpu_soft_reset(rdev, reset_mask);
4069
4070	reset_mask = evergreen_gpu_check_soft_reset(rdev);
4071
4072	/* try pci config reset */
4073	if (reset_mask && radeon_hard_reset)
4074		evergreen_gpu_pci_config_reset(rdev);
4075
4076	reset_mask = evergreen_gpu_check_soft_reset(rdev);
4077
4078	if (!reset_mask)
4079		r600_set_bios_scratch_engine_hung(rdev, false);
4080
4081	return 0;
4082}
4083
4084/**
4085 * evergreen_gfx_is_lockup - Check if the GFX engine is locked up
4086 *
4087 * @rdev: radeon_device pointer
4088 * @ring: radeon_ring structure holding ring information
4089 *
4090 * Check if the GFX engine is locked up.
4091 * Returns true if the engine appears to be locked up, false if not.
4092 */
4093bool evergreen_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
4094{
4095	u32 reset_mask = evergreen_gpu_check_soft_reset(rdev);
4096
4097	if (!(reset_mask & (RADEON_RESET_GFX |
4098			    RADEON_RESET_COMPUTE |
4099			    RADEON_RESET_CP))) {
4100		radeon_ring_lockup_update(rdev, ring);
4101		return false;
4102	}
4103	return radeon_ring_test_lockup(rdev, ring);
4104}
4105
4106/*
4107 * RLC
4108 */
4109#define RLC_SAVE_RESTORE_LIST_END_MARKER    0x00000000
4110#define RLC_CLEAR_STATE_END_MARKER          0x00000001
4111
4112void sumo_rlc_fini(struct radeon_device *rdev)
4113{
4114	int r;
4115
4116	/* save restore block */
4117	if (rdev->rlc.save_restore_obj) {
4118		r = radeon_bo_reserve(rdev->rlc.save_restore_obj, false);
4119		if (unlikely(r != 0))
4120			dev_warn(rdev->dev, "(%d) reserve RLC sr bo failed\n", r);
4121		radeon_bo_unpin(rdev->rlc.save_restore_obj);
4122		radeon_bo_unreserve(rdev->rlc.save_restore_obj);
4123
4124		radeon_bo_unref(&rdev->rlc.save_restore_obj);
4125		rdev->rlc.save_restore_obj = NULL;
4126	}
4127
4128	/* clear state block */
4129	if (rdev->rlc.clear_state_obj) {
4130		r = radeon_bo_reserve(rdev->rlc.clear_state_obj, false);
4131		if (unlikely(r != 0))
4132			dev_warn(rdev->dev, "(%d) reserve RLC c bo failed\n", r);
4133		radeon_bo_unpin(rdev->rlc.clear_state_obj);
4134		radeon_bo_unreserve(rdev->rlc.clear_state_obj);
4135
4136		radeon_bo_unref(&rdev->rlc.clear_state_obj);
4137		rdev->rlc.clear_state_obj = NULL;
4138	}
4139
4140	/* clear state block */
4141	if (rdev->rlc.cp_table_obj) {
4142		r = radeon_bo_reserve(rdev->rlc.cp_table_obj, false);
4143		if (unlikely(r != 0))
4144			dev_warn(rdev->dev, "(%d) reserve RLC cp table bo failed\n", r);
4145		radeon_bo_unpin(rdev->rlc.cp_table_obj);
4146		radeon_bo_unreserve(rdev->rlc.cp_table_obj);
4147
4148		radeon_bo_unref(&rdev->rlc.cp_table_obj);
4149		rdev->rlc.cp_table_obj = NULL;
4150	}
4151}
4152
4153#define CP_ME_TABLE_SIZE    96
4154
4155int sumo_rlc_init(struct radeon_device *rdev)
4156{
4157	const u32 *src_ptr;
4158	volatile u32 *dst_ptr;
4159	u32 dws, data, i, j, k, reg_num;
4160	u32 reg_list_num, reg_list_hdr_blk_index, reg_list_blk_index = 0;
4161	u64 reg_list_mc_addr;
4162	const struct cs_section_def *cs_data;
4163	int r;
4164
4165	src_ptr = rdev->rlc.reg_list;
4166	dws = rdev->rlc.reg_list_size;
4167	if (rdev->family >= CHIP_BONAIRE) {
4168		dws += (5 * 16) + 48 + 48 + 64;
4169	}
4170	cs_data = rdev->rlc.cs_data;
4171
4172	if (src_ptr) {
4173		/* save restore block */
4174		if (rdev->rlc.save_restore_obj == NULL) {
4175			r = radeon_bo_create(rdev, dws * 4, PAGE_SIZE, true,
4176					     RADEON_GEM_DOMAIN_VRAM, 0, NULL,
4177					     NULL, &rdev->rlc.save_restore_obj);
4178			if (r) {
4179				dev_warn(rdev->dev, "(%d) create RLC sr bo failed\n", r);
4180				return r;
4181			}
4182		}
4183
4184		r = radeon_bo_reserve(rdev->rlc.save_restore_obj, false);
4185		if (unlikely(r != 0)) {
4186			sumo_rlc_fini(rdev);
4187			return r;
4188		}
4189		r = radeon_bo_pin(rdev->rlc.save_restore_obj, RADEON_GEM_DOMAIN_VRAM,
4190				  &rdev->rlc.save_restore_gpu_addr);
4191		if (r) {
4192			radeon_bo_unreserve(rdev->rlc.save_restore_obj);
4193			dev_warn(rdev->dev, "(%d) pin RLC sr bo failed\n", r);
4194			sumo_rlc_fini(rdev);
4195			return r;
4196		}
4197
4198		r = radeon_bo_kmap(rdev->rlc.save_restore_obj, (void **)&rdev->rlc.sr_ptr);
4199		if (r) {
4200			dev_warn(rdev->dev, "(%d) map RLC sr bo failed\n", r);
4201			sumo_rlc_fini(rdev);
4202			return r;
4203		}
4204		/* write the sr buffer */
4205		dst_ptr = rdev->rlc.sr_ptr;
4206		if (rdev->family >= CHIP_TAHITI) {
4207			/* SI */
4208			for (i = 0; i < rdev->rlc.reg_list_size; i++)
4209				dst_ptr[i] = cpu_to_le32(src_ptr[i]);
4210		} else {
4211			/* ON/LN/TN */
4212			/* format:
4213			 * dw0: (reg2 << 16) | reg1
4214			 * dw1: reg1 save space
4215			 * dw2: reg2 save space
4216			 */
4217			for (i = 0; i < dws; i++) {
4218				data = src_ptr[i] >> 2;
4219				i++;
4220				if (i < dws)
4221					data |= (src_ptr[i] >> 2) << 16;
4222				j = (((i - 1) * 3) / 2);
4223				dst_ptr[j] = cpu_to_le32(data);
4224			}
4225			j = ((i * 3) / 2);
4226			dst_ptr[j] = cpu_to_le32(RLC_SAVE_RESTORE_LIST_END_MARKER);
4227		}
4228		radeon_bo_kunmap(rdev->rlc.save_restore_obj);
4229		radeon_bo_unreserve(rdev->rlc.save_restore_obj);
4230	}
4231
4232	if (cs_data) {
4233		/* clear state block */
4234		if (rdev->family >= CHIP_BONAIRE) {
4235			rdev->rlc.clear_state_size = dws = cik_get_csb_size(rdev);
4236		} else if (rdev->family >= CHIP_TAHITI) {
4237			rdev->rlc.clear_state_size = si_get_csb_size(rdev);
4238			dws = rdev->rlc.clear_state_size + (256 / 4);
4239		} else {
4240			reg_list_num = 0;
4241			dws = 0;
4242			for (i = 0; cs_data[i].section != NULL; i++) {
4243				for (j = 0; cs_data[i].section[j].extent != NULL; j++) {
4244					reg_list_num++;
4245					dws += cs_data[i].section[j].reg_count;
4246				}
4247			}
4248			reg_list_blk_index = (3 * reg_list_num + 2);
4249			dws += reg_list_blk_index;
4250			rdev->rlc.clear_state_size = dws;
4251		}
4252
4253		if (rdev->rlc.clear_state_obj == NULL) {
4254			r = radeon_bo_create(rdev, dws * 4, PAGE_SIZE, true,
4255					     RADEON_GEM_DOMAIN_VRAM, 0, NULL,
4256					     NULL, &rdev->rlc.clear_state_obj);
4257			if (r) {
4258				dev_warn(rdev->dev, "(%d) create RLC c bo failed\n", r);
4259				sumo_rlc_fini(rdev);
4260				return r;
4261			}
4262		}
4263		r = radeon_bo_reserve(rdev->rlc.clear_state_obj, false);
4264		if (unlikely(r != 0)) {
4265			sumo_rlc_fini(rdev);
4266			return r;
4267		}
4268		r = radeon_bo_pin(rdev->rlc.clear_state_obj, RADEON_GEM_DOMAIN_VRAM,
4269				  &rdev->rlc.clear_state_gpu_addr);
4270		if (r) {
4271			radeon_bo_unreserve(rdev->rlc.clear_state_obj);
4272			dev_warn(rdev->dev, "(%d) pin RLC c bo failed\n", r);
4273			sumo_rlc_fini(rdev);
4274			return r;
4275		}
4276
4277		r = radeon_bo_kmap(rdev->rlc.clear_state_obj, (void **)&rdev->rlc.cs_ptr);
4278		if (r) {
4279			dev_warn(rdev->dev, "(%d) map RLC c bo failed\n", r);
4280			sumo_rlc_fini(rdev);
4281			return r;
4282		}
4283		/* set up the cs buffer */
4284		dst_ptr = rdev->rlc.cs_ptr;
4285		if (rdev->family >= CHIP_BONAIRE) {
4286			cik_get_csb_buffer(rdev, dst_ptr);
4287		} else if (rdev->family >= CHIP_TAHITI) {
4288			reg_list_mc_addr = rdev->rlc.clear_state_gpu_addr + 256;
4289			dst_ptr[0] = cpu_to_le32(upper_32_bits(reg_list_mc_addr));
4290			dst_ptr[1] = cpu_to_le32(lower_32_bits(reg_list_mc_addr));
4291			dst_ptr[2] = cpu_to_le32(rdev->rlc.clear_state_size);
4292			si_get_csb_buffer(rdev, &dst_ptr[(256/4)]);
4293		} else {
4294			reg_list_hdr_blk_index = 0;
4295			reg_list_mc_addr = rdev->rlc.clear_state_gpu_addr + (reg_list_blk_index * 4);
4296			data = upper_32_bits(reg_list_mc_addr);
4297			dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4298			reg_list_hdr_blk_index++;
4299			for (i = 0; cs_data[i].section != NULL; i++) {
4300				for (j = 0; cs_data[i].section[j].extent != NULL; j++) {
4301					reg_num = cs_data[i].section[j].reg_count;
4302					data = reg_list_mc_addr & 0xffffffff;
4303					dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4304					reg_list_hdr_blk_index++;
4305
4306					data = (cs_data[i].section[j].reg_index * 4) & 0xffffffff;
4307					dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4308					reg_list_hdr_blk_index++;
4309
4310					data = 0x08000000 | (reg_num * 4);
4311					dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4312					reg_list_hdr_blk_index++;
4313
4314					for (k = 0; k < reg_num; k++) {
4315						data = cs_data[i].section[j].extent[k];
4316						dst_ptr[reg_list_blk_index + k] = cpu_to_le32(data);
4317					}
4318					reg_list_mc_addr += reg_num * 4;
4319					reg_list_blk_index += reg_num;
4320				}
4321			}
4322			dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(RLC_CLEAR_STATE_END_MARKER);
4323		}
4324		radeon_bo_kunmap(rdev->rlc.clear_state_obj);
4325		radeon_bo_unreserve(rdev->rlc.clear_state_obj);
4326	}
4327
4328	if (rdev->rlc.cp_table_size) {
4329		if (rdev->rlc.cp_table_obj == NULL) {
4330			r = radeon_bo_create(rdev, rdev->rlc.cp_table_size,
4331					     PAGE_SIZE, true,
4332					     RADEON_GEM_DOMAIN_VRAM, 0, NULL,
4333					     NULL, &rdev->rlc.cp_table_obj);
4334			if (r) {
4335				dev_warn(rdev->dev, "(%d) create RLC cp table bo failed\n", r);
4336				sumo_rlc_fini(rdev);
4337				return r;
4338			}
4339		}
4340
4341		r = radeon_bo_reserve(rdev->rlc.cp_table_obj, false);
4342		if (unlikely(r != 0)) {
4343			dev_warn(rdev->dev, "(%d) reserve RLC cp table bo failed\n", r);
4344			sumo_rlc_fini(rdev);
4345			return r;
4346		}
4347		r = radeon_bo_pin(rdev->rlc.cp_table_obj, RADEON_GEM_DOMAIN_VRAM,
4348				  &rdev->rlc.cp_table_gpu_addr);
4349		if (r) {
4350			radeon_bo_unreserve(rdev->rlc.cp_table_obj);
4351			dev_warn(rdev->dev, "(%d) pin RLC cp_table bo failed\n", r);
4352			sumo_rlc_fini(rdev);
4353			return r;
4354		}
4355		r = radeon_bo_kmap(rdev->rlc.cp_table_obj, (void **)&rdev->rlc.cp_table_ptr);
4356		if (r) {
4357			dev_warn(rdev->dev, "(%d) map RLC cp table bo failed\n", r);
4358			sumo_rlc_fini(rdev);
4359			return r;
4360		}
4361
4362		cik_init_cp_pg_table(rdev);
4363
4364		radeon_bo_kunmap(rdev->rlc.cp_table_obj);
4365		radeon_bo_unreserve(rdev->rlc.cp_table_obj);
4366
4367	}
4368
4369	return 0;
4370}
4371
4372static void evergreen_rlc_start(struct radeon_device *rdev)
4373{
4374	u32 mask = RLC_ENABLE;
4375
4376	if (rdev->flags & RADEON_IS_IGP) {
4377		mask |= GFX_POWER_GATING_ENABLE | GFX_POWER_GATING_SRC;
4378	}
4379
4380	WREG32(RLC_CNTL, mask);
4381}
4382
4383int evergreen_rlc_resume(struct radeon_device *rdev)
4384{
4385	u32 i;
4386	const __be32 *fw_data;
4387
4388	if (!rdev->rlc_fw)
4389		return -EINVAL;
4390
4391	r600_rlc_stop(rdev);
4392
4393	WREG32(RLC_HB_CNTL, 0);
4394
4395	if (rdev->flags & RADEON_IS_IGP) {
4396		if (rdev->family == CHIP_ARUBA) {
4397			u32 always_on_bitmap =
4398				3 | (3 << (16 * rdev->config.cayman.max_shader_engines));
4399			/* find out the number of active simds */
4400			u32 tmp = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
4401			tmp |= 0xffffffff << rdev->config.cayman.max_simds_per_se;
4402			tmp = hweight32(~tmp);
4403			if (tmp == rdev->config.cayman.max_simds_per_se) {
4404				WREG32(TN_RLC_LB_ALWAYS_ACTIVE_SIMD_MASK, always_on_bitmap);
4405				WREG32(TN_RLC_LB_PARAMS, 0x00601004);
4406				WREG32(TN_RLC_LB_INIT_SIMD_MASK, 0xffffffff);
4407				WREG32(TN_RLC_LB_CNTR_INIT, 0x00000000);
4408				WREG32(TN_RLC_LB_CNTR_MAX, 0x00002000);
4409			}
4410		} else {
4411			WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
4412			WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
4413		}
4414		WREG32(TN_RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
4415		WREG32(TN_RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
4416	} else {
4417		WREG32(RLC_HB_BASE, 0);
4418		WREG32(RLC_HB_RPTR, 0);
4419		WREG32(RLC_HB_WPTR, 0);
4420		WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
4421		WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
4422	}
4423	WREG32(RLC_MC_CNTL, 0);
4424	WREG32(RLC_UCODE_CNTL, 0);
4425
4426	fw_data = (const __be32 *)rdev->rlc_fw->data;
4427	if (rdev->family >= CHIP_ARUBA) {
4428		for (i = 0; i < ARUBA_RLC_UCODE_SIZE; i++) {
4429			WREG32(RLC_UCODE_ADDR, i);
4430			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
4431		}
4432	} else if (rdev->family >= CHIP_CAYMAN) {
4433		for (i = 0; i < CAYMAN_RLC_UCODE_SIZE; i++) {
4434			WREG32(RLC_UCODE_ADDR, i);
4435			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
4436		}
4437	} else {
4438		for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) {
4439			WREG32(RLC_UCODE_ADDR, i);
4440			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
4441		}
4442	}
4443	WREG32(RLC_UCODE_ADDR, 0);
4444
4445	evergreen_rlc_start(rdev);
4446
4447	return 0;
4448}
4449
4450/* Interrupts */
4451
4452u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
4453{
4454	if (crtc >= rdev->num_crtc)
4455		return 0;
4456	else
4457		return RREG32(CRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
4458}
4459
4460void evergreen_disable_interrupt_state(struct radeon_device *rdev)
4461{
4462	int i;
4463	u32 tmp;
4464
4465	if (rdev->family >= CHIP_CAYMAN) {
4466		cayman_cp_int_cntl_setup(rdev, 0,
4467					 CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
4468		cayman_cp_int_cntl_setup(rdev, 1, 0);
4469		cayman_cp_int_cntl_setup(rdev, 2, 0);
4470		tmp = RREG32(CAYMAN_DMA1_CNTL) & ~TRAP_ENABLE;
4471		WREG32(CAYMAN_DMA1_CNTL, tmp);
4472	} else
4473		WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
4474	tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
4475	WREG32(DMA_CNTL, tmp);
4476	WREG32(GRBM_INT_CNTL, 0);
4477	WREG32(SRBM_INT_CNTL, 0);
4478	for (i = 0; i < rdev->num_crtc; i++)
4479		WREG32(INT_MASK + crtc_offsets[i], 0);
4480	for (i = 0; i < rdev->num_crtc; i++)
4481		WREG32(GRPH_INT_CONTROL + crtc_offsets[i], 0);
4482
4483	/* only one DAC on DCE5 */
4484	if (!ASIC_IS_DCE5(rdev))
4485		WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
4486	WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
4487
4488	for (i = 0; i < 6; i++)
4489		WREG32_AND(DC_HPDx_INT_CONTROL(i), DC_HPDx_INT_POLARITY);
4490}
4491
4492/* Note that the order we write back regs here is important */
4493int evergreen_irq_set(struct radeon_device *rdev)
4494{
4495	int i;
4496	u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
4497	u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0;
4498	u32 grbm_int_cntl = 0;
4499	u32 dma_cntl, dma_cntl1 = 0;
4500	u32 thermal_int = 0;
4501
4502	if (!rdev->irq.installed) {
4503		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
4504		return -EINVAL;
4505	}
4506	/* don't enable anything if the ih is disabled */
4507	if (!rdev->ih.enabled) {
4508		r600_disable_interrupts(rdev);
4509		/* force the active interrupt state to all disabled */
4510		evergreen_disable_interrupt_state(rdev);
4511		return 0;
4512	}
4513
4514	if (rdev->family == CHIP_ARUBA)
4515		thermal_int = RREG32(TN_CG_THERMAL_INT_CTRL) &
4516			~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
4517	else
4518		thermal_int = RREG32(CG_THERMAL_INT) &
4519			~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
4520
4521	dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
4522
4523	if (rdev->family >= CHIP_CAYMAN) {
4524		/* enable CP interrupts on all rings */
4525		if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
4526			DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
4527			cp_int_cntl |= TIME_STAMP_INT_ENABLE;
4528		}
4529		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) {
4530			DRM_DEBUG("evergreen_irq_set: sw int cp1\n");
4531			cp_int_cntl1 |= TIME_STAMP_INT_ENABLE;
4532		}
4533		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) {
4534			DRM_DEBUG("evergreen_irq_set: sw int cp2\n");
4535			cp_int_cntl2 |= TIME_STAMP_INT_ENABLE;
4536		}
4537	} else {
4538		if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
4539			DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
4540			cp_int_cntl |= RB_INT_ENABLE;
4541			cp_int_cntl |= TIME_STAMP_INT_ENABLE;
4542		}
4543	}
4544
4545	if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
4546		DRM_DEBUG("r600_irq_set: sw int dma\n");
4547		dma_cntl |= TRAP_ENABLE;
4548	}
4549
4550	if (rdev->family >= CHIP_CAYMAN) {
4551		dma_cntl1 = RREG32(CAYMAN_DMA1_CNTL) & ~TRAP_ENABLE;
4552		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_DMA1_INDEX])) {
4553			DRM_DEBUG("r600_irq_set: sw int dma1\n");
4554			dma_cntl1 |= TRAP_ENABLE;
4555		}
4556	}
4557
4558	if (rdev->irq.dpm_thermal) {
4559		DRM_DEBUG("dpm thermal\n");
4560		thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
4561	}
4562
4563	if (rdev->family >= CHIP_CAYMAN) {
4564		cayman_cp_int_cntl_setup(rdev, 0, cp_int_cntl);
4565		cayman_cp_int_cntl_setup(rdev, 1, cp_int_cntl1);
4566		cayman_cp_int_cntl_setup(rdev, 2, cp_int_cntl2);
4567	} else
4568		WREG32(CP_INT_CNTL, cp_int_cntl);
4569
4570	WREG32(DMA_CNTL, dma_cntl);
4571
4572	if (rdev->family >= CHIP_CAYMAN)
4573		WREG32(CAYMAN_DMA1_CNTL, dma_cntl1);
4574
4575	WREG32(GRBM_INT_CNTL, grbm_int_cntl);
4576
4577	for (i = 0; i < rdev->num_crtc; i++) {
4578		radeon_irq_kms_set_irq_n_enabled(
4579		    rdev, INT_MASK + crtc_offsets[i],
4580		    VBLANK_INT_MASK,
4581		    rdev->irq.crtc_vblank_int[i] ||
4582		    atomic_read(&rdev->irq.pflip[i]), "vblank", i);
4583	}
4584
4585	for (i = 0; i < rdev->num_crtc; i++)
4586		WREG32(GRPH_INT_CONTROL + crtc_offsets[i], GRPH_PFLIP_INT_MASK);
4587
4588	for (i = 0; i < 6; i++) {
4589		radeon_irq_kms_set_irq_n_enabled(
4590		    rdev, DC_HPDx_INT_CONTROL(i),
4591		    DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN,
4592		    rdev->irq.hpd[i], "HPD", i);
4593	}
4594
4595	if (rdev->family == CHIP_ARUBA)
4596		WREG32(TN_CG_THERMAL_INT_CTRL, thermal_int);
4597	else
4598		WREG32(CG_THERMAL_INT, thermal_int);
4599
4600	for (i = 0; i < 6; i++) {
4601		radeon_irq_kms_set_irq_n_enabled(
4602		    rdev, AFMT_AUDIO_PACKET_CONTROL + crtc_offsets[i],
4603		    AFMT_AZ_FORMAT_WTRIG_MASK,
4604		    rdev->irq.afmt[i], "HDMI", i);
4605	}
4606
4607	/* posting read */
4608	RREG32(SRBM_STATUS);
4609
4610	return 0;
4611}
4612
4613/* Note that the order we write back regs here is important */
4614static void evergreen_irq_ack(struct radeon_device *rdev)
4615{
4616	int i, j;
4617	u32 *grph_int = rdev->irq.stat_regs.evergreen.grph_int;
4618	u32 *disp_int = rdev->irq.stat_regs.evergreen.disp_int;
4619	u32 *afmt_status = rdev->irq.stat_regs.evergreen.afmt_status;
4620
4621	for (i = 0; i < 6; i++) {
4622		disp_int[i] = RREG32(evergreen_disp_int_status[i]);
4623		afmt_status[i] = RREG32(AFMT_STATUS + crtc_offsets[i]);
4624		if (i < rdev->num_crtc)
4625			grph_int[i] = RREG32(GRPH_INT_STATUS + crtc_offsets[i]);
4626	}
4627
4628	/* We write back each interrupt register in pairs of two */
4629	for (i = 0; i < rdev->num_crtc; i += 2) {
4630		for (j = i; j < (i + 2); j++) {
4631			if (grph_int[j] & GRPH_PFLIP_INT_OCCURRED)
4632				WREG32(GRPH_INT_STATUS + crtc_offsets[j],
4633				       GRPH_PFLIP_INT_CLEAR);
4634		}
4635
4636		for (j = i; j < (i + 2); j++) {
4637			if (disp_int[j] & LB_D1_VBLANK_INTERRUPT)
4638				WREG32(VBLANK_STATUS + crtc_offsets[j],
4639				       VBLANK_ACK);
4640			if (disp_int[j] & LB_D1_VLINE_INTERRUPT)
4641				WREG32(VLINE_STATUS + crtc_offsets[j],
4642				       VLINE_ACK);
4643		}
4644	}
4645
4646	for (i = 0; i < 6; i++) {
4647		if (disp_int[i] & DC_HPD1_INTERRUPT)
4648			WREG32_OR(DC_HPDx_INT_CONTROL(i), DC_HPDx_INT_ACK);
4649	}
4650
4651	for (i = 0; i < 6; i++) {
4652		if (disp_int[i] & DC_HPD1_RX_INTERRUPT)
4653			WREG32_OR(DC_HPDx_INT_CONTROL(i), DC_HPDx_RX_INT_ACK);
4654	}
4655
4656	for (i = 0; i < 6; i++) {
4657		if (afmt_status[i] & AFMT_AZ_FORMAT_WTRIG)
4658			WREG32_OR(AFMT_AUDIO_PACKET_CONTROL + crtc_offsets[i],
4659				  AFMT_AZ_FORMAT_WTRIG_ACK);
4660	}
4661}
4662
4663static void evergreen_irq_disable(struct radeon_device *rdev)
4664{
4665	r600_disable_interrupts(rdev);
4666	/* Wait and acknowledge irq */
4667	mdelay(1);
4668	evergreen_irq_ack(rdev);
4669	evergreen_disable_interrupt_state(rdev);
4670}
4671
4672void evergreen_irq_suspend(struct radeon_device *rdev)
4673{
4674	evergreen_irq_disable(rdev);
4675	r600_rlc_stop(rdev);
4676}
4677
4678static u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
4679{
4680	u32 wptr, tmp;
4681
4682	if (rdev->wb.enabled)
4683		wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
4684	else
4685		wptr = RREG32(IH_RB_WPTR);
4686
4687	if (wptr & RB_OVERFLOW) {
4688		wptr &= ~RB_OVERFLOW;
4689		/* When a ring buffer overflow happen start parsing interrupt
4690		 * from the last not overwritten vector (wptr + 16). Hopefully
4691		 * this should allow us to catchup.
4692		 */
4693		dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
4694			 wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
4695		rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
4696		tmp = RREG32(IH_RB_CNTL);
4697		tmp |= IH_WPTR_OVERFLOW_CLEAR;
4698		WREG32(IH_RB_CNTL, tmp);
4699	}
4700	return (wptr & rdev->ih.ptr_mask);
4701}
4702
4703int evergreen_irq_process(struct radeon_device *rdev)
4704{
4705	u32 *disp_int = rdev->irq.stat_regs.evergreen.disp_int;
4706	u32 *afmt_status = rdev->irq.stat_regs.evergreen.afmt_status;
4707	u32 crtc_idx, hpd_idx, afmt_idx;
4708	u32 mask;
4709	u32 wptr;
4710	u32 rptr;
4711	u32 src_id, src_data;
4712	u32 ring_index;
4713	bool queue_hotplug = false;
4714	bool queue_hdmi = false;
4715	bool queue_dp = false;
4716	bool queue_thermal = false;
4717	u32 status, addr;
4718	const char *event_name;
4719
4720	if (!rdev->ih.enabled || rdev->shutdown)
4721		return IRQ_NONE;
4722
4723	wptr = evergreen_get_ih_wptr(rdev);
4724
4725restart_ih:
4726	/* is somebody else already processing irqs? */
4727	if (atomic_xchg(&rdev->ih.lock, 1))
4728		return IRQ_NONE;
4729
4730	rptr = rdev->ih.rptr;
4731	DRM_DEBUG("evergreen_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
4732
4733	/* Order reading of wptr vs. reading of IH ring data */
4734	rmb();
4735
4736	/* display interrupts */
4737	evergreen_irq_ack(rdev);
4738
4739	while (rptr != wptr) {
4740		/* wptr/rptr are in bytes! */
4741		ring_index = rptr / 4;
4742		src_id =  le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
4743		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
4744
4745		switch (src_id) {
4746		case 1: /* D1 vblank/vline */
4747		case 2: /* D2 vblank/vline */
4748		case 3: /* D3 vblank/vline */
4749		case 4: /* D4 vblank/vline */
4750		case 5: /* D5 vblank/vline */
4751		case 6: /* D6 vblank/vline */
4752			crtc_idx = src_id - 1;
4753
4754			if (src_data == 0) { /* vblank */
4755				mask = LB_D1_VBLANK_INTERRUPT;
4756				event_name = "vblank";
4757
4758				if (rdev->irq.crtc_vblank_int[crtc_idx]) {
4759					drm_handle_vblank(rdev->ddev, crtc_idx);
4760					rdev->pm.vblank_sync = true;
4761					wake_up(&rdev->irq.vblank_queue);
4762				}
4763				if (atomic_read(&rdev->irq.pflip[crtc_idx])) {
4764					radeon_crtc_handle_vblank(rdev,
4765								  crtc_idx);
4766				}
4767
4768			} else if (src_data == 1) { /* vline */
4769				mask = LB_D1_VLINE_INTERRUPT;
4770				event_name = "vline";
4771			} else {
4772				DRM_DEBUG("Unhandled interrupt: %d %d\n",
4773					  src_id, src_data);
4774				break;
4775			}
4776
4777			if (!(disp_int[crtc_idx] & mask)) {
4778				DRM_DEBUG("IH: D%d %s - IH event w/o asserted irq bit?\n",
4779					  crtc_idx + 1, event_name);
4780			}
4781
4782			disp_int[crtc_idx] &= ~mask;
4783			DRM_DEBUG("IH: D%d %s\n", crtc_idx + 1, event_name);
4784
4785			break;
4786		case 8: /* D1 page flip */
4787		case 10: /* D2 page flip */
4788		case 12: /* D3 page flip */
4789		case 14: /* D4 page flip */
4790		case 16: /* D5 page flip */
4791		case 18: /* D6 page flip */
4792			DRM_DEBUG("IH: D%d flip\n", ((src_id - 8) >> 1) + 1);
4793			if (radeon_use_pflipirq > 0)
4794				radeon_crtc_handle_flip(rdev, (src_id - 8) >> 1);
4795			break;
4796		case 42: /* HPD hotplug */
4797			if (src_data <= 5) {
4798				hpd_idx = src_data;
4799				mask = DC_HPD1_INTERRUPT;
4800				queue_hotplug = true;
4801				event_name = "HPD";
4802
4803			} else if (src_data <= 11) {
4804				hpd_idx = src_data - 6;
4805				mask = DC_HPD1_RX_INTERRUPT;
4806				queue_dp = true;
4807				event_name = "HPD_RX";
4808
4809			} else {
4810				DRM_DEBUG("Unhandled interrupt: %d %d\n",
4811					  src_id, src_data);
4812				break;
4813			}
4814
4815			if (!(disp_int[hpd_idx] & mask))
4816				DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
4817
4818			disp_int[hpd_idx] &= ~mask;
4819			DRM_DEBUG("IH: %s%d\n", event_name, hpd_idx + 1);
4820
4821			break;
4822		case 44: /* hdmi */
4823			afmt_idx = src_data;
4824			if (!(afmt_status[afmt_idx] & AFMT_AZ_FORMAT_WTRIG))
4825				DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
4826
4827			if (afmt_idx > 5) {
4828				DRM_ERROR("Unhandled interrupt: %d %d\n",
4829					  src_id, src_data);
4830				break;
4831			}
4832			afmt_status[afmt_idx] &= ~AFMT_AZ_FORMAT_WTRIG;
4833			queue_hdmi = true;
4834			DRM_DEBUG("IH: HDMI%d\n", afmt_idx + 1);
4835			break;
4836		case 96:
4837			DRM_ERROR("SRBM_READ_ERROR: 0x%x\n", RREG32(SRBM_READ_ERROR));
4838			WREG32(SRBM_INT_ACK, 0x1);
4839			break;
4840		case 124: /* UVD */
4841			DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
4842			radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
4843			break;
4844		case 146:
4845		case 147:
4846			addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
4847			status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS);
4848			/* reset addr and status */
4849			WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
4850			if (addr == 0x0 && status == 0x0)
4851				break;
4852			dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
4853			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
4854				addr);
4855			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
4856				status);
4857			cayman_vm_decode_fault(rdev, status, addr);
4858			break;
4859		case 176: /* CP_INT in ring buffer */
4860		case 177: /* CP_INT in IB1 */
4861		case 178: /* CP_INT in IB2 */
4862			DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
4863			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4864			break;
4865		case 181: /* CP EOP event */
4866			DRM_DEBUG("IH: CP EOP\n");
4867			if (rdev->family >= CHIP_CAYMAN) {
4868				switch (src_data) {
4869				case 0:
4870					radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4871					break;
4872				case 1:
4873					radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
4874					break;
4875				case 2:
4876					radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
4877					break;
4878				}
4879			} else
4880				radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4881			break;
4882		case 224: /* DMA trap event */
4883			DRM_DEBUG("IH: DMA trap\n");
4884			radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
4885			break;
4886		case 230: /* thermal low to high */
4887			DRM_DEBUG("IH: thermal low to high\n");
4888			rdev->pm.dpm.thermal.high_to_low = false;
4889			queue_thermal = true;
4890			break;
4891		case 231: /* thermal high to low */
4892			DRM_DEBUG("IH: thermal high to low\n");
4893			rdev->pm.dpm.thermal.high_to_low = true;
4894			queue_thermal = true;
4895			break;
4896		case 233: /* GUI IDLE */
4897			DRM_DEBUG("IH: GUI idle\n");
4898			break;
4899		case 244: /* DMA trap event */
4900			if (rdev->family >= CHIP_CAYMAN) {
4901				DRM_DEBUG("IH: DMA1 trap\n");
4902				radeon_fence_process(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
4903			}
4904			break;
4905		default:
4906			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4907			break;
4908		}
4909
4910		/* wptr/rptr are in bytes! */
4911		rptr += 16;
4912		rptr &= rdev->ih.ptr_mask;
4913		WREG32(IH_RB_RPTR, rptr);
4914	}
4915	if (queue_dp)
4916		schedule_work(&rdev->dp_work);
4917	if (queue_hotplug)
4918		schedule_delayed_work(&rdev->hotplug_work, 0);
4919	if (queue_hdmi)
4920		schedule_work(&rdev->audio_work);
4921	if (queue_thermal && rdev->pm.dpm_enabled)
4922		schedule_work(&rdev->pm.dpm.thermal.work);
4923	rdev->ih.rptr = rptr;
4924	atomic_set(&rdev->ih.lock, 0);
4925
4926	/* make sure wptr hasn't changed while processing */
4927	wptr = evergreen_get_ih_wptr(rdev);
4928	if (wptr != rptr)
4929		goto restart_ih;
4930
4931	return IRQ_HANDLED;
4932}
4933
4934static void evergreen_uvd_init(struct radeon_device *rdev)
4935{
4936	int r;
4937
4938	if (!rdev->has_uvd)
4939		return;
4940
4941	r = radeon_uvd_init(rdev);
4942	if (r) {
4943		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
4944		/*
4945		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
4946		 * to early fails uvd_v2_2_resume() and thus nothing happens
4947		 * there. So it is pointless to try to go through that code
4948		 * hence why we disable uvd here.
4949		 */
4950		rdev->has_uvd = false;
4951		return;
4952	}
4953	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
4954	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
4955}
4956
4957static void evergreen_uvd_start(struct radeon_device *rdev)
4958{
4959	int r;
4960
4961	if (!rdev->has_uvd)
4962		return;
4963
4964	r = uvd_v2_2_resume(rdev);
4965	if (r) {
4966		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
4967		goto error;
4968	}
4969	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
4970	if (r) {
4971		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
4972		goto error;
4973	}
4974	return;
4975
4976error:
4977	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
4978}
4979
4980static void evergreen_uvd_resume(struct radeon_device *rdev)
4981{
4982	struct radeon_ring *ring;
4983	int r;
4984
4985	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
4986		return;
4987
4988	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
4989	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0));
4990	if (r) {
4991		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
4992		return;
4993	}
4994	r = uvd_v1_0_init(rdev);
4995	if (r) {
4996		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
4997		return;
4998	}
4999}
5000
5001static int evergreen_startup(struct radeon_device *rdev)
5002{
5003	struct radeon_ring *ring;
5004	int r;
5005
5006	/* enable pcie gen2 link */
5007	evergreen_pcie_gen2_enable(rdev);
5008	/* enable aspm */
5009	evergreen_program_aspm(rdev);
5010
5011	/* scratch needs to be initialized before MC */
5012	r = r600_vram_scratch_init(rdev);
5013	if (r)
5014		return r;
5015
5016	evergreen_mc_program(rdev);
5017
5018	if (ASIC_IS_DCE5(rdev) && !rdev->pm.dpm_enabled) {
5019		r = ni_mc_load_microcode(rdev);
5020		if (r) {
5021			DRM_ERROR("Failed to load MC firmware!\n");
5022			return r;
5023		}
5024	}
5025
5026	if (rdev->flags & RADEON_IS_AGP) {
5027		evergreen_agp_enable(rdev);
5028	} else {
5029		r = evergreen_pcie_gart_enable(rdev);
5030		if (r)
5031			return r;
5032	}
5033	evergreen_gpu_init(rdev);
5034
5035	/* allocate rlc buffers */
5036	if (rdev->flags & RADEON_IS_IGP) {
5037		rdev->rlc.reg_list = sumo_rlc_save_restore_register_list;
5038		rdev->rlc.reg_list_size =
5039			(u32)ARRAY_SIZE(sumo_rlc_save_restore_register_list);
5040		rdev->rlc.cs_data = evergreen_cs_data;
5041		r = sumo_rlc_init(rdev);
5042		if (r) {
5043			DRM_ERROR("Failed to init rlc BOs!\n");
5044			return r;
5045		}
5046	}
5047
5048	/* allocate wb buffer */
5049	r = radeon_wb_init(rdev);
5050	if (r)
5051		return r;
5052
5053	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
5054	if (r) {
5055		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
5056		return r;
5057	}
5058
5059	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
5060	if (r) {
5061		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
5062		return r;
5063	}
5064
5065	evergreen_uvd_start(rdev);
5066
5067	/* Enable IRQ */
5068	if (!rdev->irq.installed) {
5069		r = radeon_irq_kms_init(rdev);
5070		if (r)
5071			return r;
5072	}
5073
5074	r = r600_irq_init(rdev);
5075	if (r) {
5076		DRM_ERROR("radeon: IH init failed (%d).\n", r);
5077		radeon_irq_kms_fini(rdev);
5078		return r;
5079	}
5080	evergreen_irq_set(rdev);
5081
5082	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
5083	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
5084			     RADEON_CP_PACKET2);
5085	if (r)
5086		return r;
5087
5088	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
5089	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
5090			     DMA_PACKET(DMA_PACKET_NOP, 0, 0));
5091	if (r)
5092		return r;
5093
5094	r = evergreen_cp_load_microcode(rdev);
5095	if (r)
5096		return r;
5097	r = evergreen_cp_resume(rdev);
5098	if (r)
5099		return r;
5100	r = r600_dma_resume(rdev);
5101	if (r)
5102		return r;
5103
5104	evergreen_uvd_resume(rdev);
5105
5106	r = radeon_ib_pool_init(rdev);
5107	if (r) {
5108		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
5109		return r;
5110	}
5111
5112	r = radeon_audio_init(rdev);
5113	if (r) {
5114		DRM_ERROR("radeon: audio init failed\n");
5115		return r;
5116	}
5117
5118	return 0;
5119}
5120
5121int evergreen_resume(struct radeon_device *rdev)
5122{
5123	int r;
5124
5125	/* reset the asic, the gfx blocks are often in a bad state
5126	 * after the driver is unloaded or after a resume
5127	 */
5128	if (radeon_asic_reset(rdev))
5129		dev_warn(rdev->dev, "GPU reset failed !\n");
5130	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
5131	 * posting will perform necessary task to bring back GPU into good
5132	 * shape.
5133	 */
5134	/* post card */
5135	atom_asic_init(rdev->mode_info.atom_context);
5136
5137	/* init golden registers */
5138	evergreen_init_golden_registers(rdev);
5139
5140	if (rdev->pm.pm_method == PM_METHOD_DPM)
5141		radeon_pm_resume(rdev);
5142
5143	rdev->accel_working = true;
5144	r = evergreen_startup(rdev);
5145	if (r) {
5146		DRM_ERROR("evergreen startup failed on resume\n");
5147		rdev->accel_working = false;
5148		return r;
5149	}
5150
5151	return r;
5152
5153}
5154
5155int evergreen_suspend(struct radeon_device *rdev)
5156{
5157	radeon_pm_suspend(rdev);
5158	radeon_audio_fini(rdev);
5159	if (rdev->has_uvd) {
 
5160		radeon_uvd_suspend(rdev);
5161		uvd_v1_0_fini(rdev);
5162	}
5163	r700_cp_stop(rdev);
5164	r600_dma_stop(rdev);
5165	evergreen_irq_suspend(rdev);
5166	radeon_wb_disable(rdev);
5167	evergreen_pcie_gart_disable(rdev);
5168
5169	return 0;
5170}
5171
5172/* Plan is to move initialization in that function and use
5173 * helper function so that radeon_device_init pretty much
5174 * do nothing more than calling asic specific function. This
5175 * should also allow to remove a bunch of callback function
5176 * like vram_info.
5177 */
5178int evergreen_init(struct radeon_device *rdev)
5179{
5180	int r;
5181
5182	/* Read BIOS */
5183	if (!radeon_get_bios(rdev)) {
5184		if (ASIC_IS_AVIVO(rdev))
5185			return -EINVAL;
5186	}
5187	/* Must be an ATOMBIOS */
5188	if (!rdev->is_atom_bios) {
5189		dev_err(rdev->dev, "Expecting atombios for evergreen GPU\n");
5190		return -EINVAL;
5191	}
5192	r = radeon_atombios_init(rdev);
5193	if (r)
5194		return r;
5195	/* reset the asic, the gfx blocks are often in a bad state
5196	 * after the driver is unloaded or after a resume
5197	 */
5198	if (radeon_asic_reset(rdev))
5199		dev_warn(rdev->dev, "GPU reset failed !\n");
5200	/* Post card if necessary */
5201	if (!radeon_card_posted(rdev)) {
5202		if (!rdev->bios) {
5203			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
5204			return -EINVAL;
5205		}
5206		DRM_INFO("GPU not posted. posting now...\n");
5207		atom_asic_init(rdev->mode_info.atom_context);
5208	}
5209	/* init golden registers */
5210	evergreen_init_golden_registers(rdev);
5211	/* Initialize scratch registers */
5212	r600_scratch_init(rdev);
5213	/* Initialize surface registers */
5214	radeon_surface_init(rdev);
5215	/* Initialize clocks */
5216	radeon_get_clock_info(rdev->ddev);
5217	/* Fence driver */
5218	radeon_fence_driver_init(rdev);
 
 
5219	/* initialize AGP */
5220	if (rdev->flags & RADEON_IS_AGP) {
5221		r = radeon_agp_init(rdev);
5222		if (r)
5223			radeon_agp_disable(rdev);
5224	}
5225	/* initialize memory controller */
5226	r = evergreen_mc_init(rdev);
5227	if (r)
5228		return r;
5229	/* Memory manager */
5230	r = radeon_bo_init(rdev);
5231	if (r)
5232		return r;
5233
5234	if (ASIC_IS_DCE5(rdev)) {
5235		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
5236			r = ni_init_microcode(rdev);
5237			if (r) {
5238				DRM_ERROR("Failed to load firmware!\n");
5239				return r;
5240			}
5241		}
5242	} else {
5243		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
5244			r = r600_init_microcode(rdev);
5245			if (r) {
5246				DRM_ERROR("Failed to load firmware!\n");
5247				return r;
5248			}
5249		}
5250	}
5251
5252	/* Initialize power management */
5253	radeon_pm_init(rdev);
5254
5255	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
5256	r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
5257
5258	rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL;
5259	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024);
5260
5261	evergreen_uvd_init(rdev);
5262
5263	rdev->ih.ring_obj = NULL;
5264	r600_ih_ring_init(rdev, 64 * 1024);
5265
5266	r = r600_pcie_gart_init(rdev);
5267	if (r)
5268		return r;
5269
5270	rdev->accel_working = true;
5271	r = evergreen_startup(rdev);
5272	if (r) {
5273		dev_err(rdev->dev, "disabling GPU acceleration\n");
5274		r700_cp_fini(rdev);
5275		r600_dma_fini(rdev);
5276		r600_irq_fini(rdev);
5277		if (rdev->flags & RADEON_IS_IGP)
5278			sumo_rlc_fini(rdev);
5279		radeon_wb_fini(rdev);
5280		radeon_ib_pool_fini(rdev);
5281		radeon_irq_kms_fini(rdev);
5282		evergreen_pcie_gart_fini(rdev);
5283		rdev->accel_working = false;
5284	}
5285
5286	/* Don't start up if the MC ucode is missing on BTC parts.
5287	 * The default clocks and voltages before the MC ucode
5288	 * is loaded are not suffient for advanced operations.
5289	 */
5290	if (ASIC_IS_DCE5(rdev)) {
5291		if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
5292			DRM_ERROR("radeon: MC ucode required for NI+.\n");
5293			return -EINVAL;
5294		}
5295	}
5296
5297	return 0;
5298}
5299
5300void evergreen_fini(struct radeon_device *rdev)
5301{
5302	radeon_pm_fini(rdev);
5303	radeon_audio_fini(rdev);
5304	r700_cp_fini(rdev);
5305	r600_dma_fini(rdev);
5306	r600_irq_fini(rdev);
5307	if (rdev->flags & RADEON_IS_IGP)
5308		sumo_rlc_fini(rdev);
5309	radeon_wb_fini(rdev);
5310	radeon_ib_pool_fini(rdev);
5311	radeon_irq_kms_fini(rdev);
5312	uvd_v1_0_fini(rdev);
5313	radeon_uvd_fini(rdev);
5314	evergreen_pcie_gart_fini(rdev);
5315	r600_vram_scratch_fini(rdev);
5316	radeon_gem_fini(rdev);
5317	radeon_fence_driver_fini(rdev);
5318	radeon_agp_fini(rdev);
5319	radeon_bo_fini(rdev);
5320	radeon_atombios_fini(rdev);
5321	kfree(rdev->bios);
5322	rdev->bios = NULL;
5323}
5324
5325void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
5326{
5327	u32 link_width_cntl, speed_cntl;
5328
5329	if (radeon_pcie_gen2 == 0)
5330		return;
5331
5332	if (rdev->flags & RADEON_IS_IGP)
5333		return;
5334
5335	if (!(rdev->flags & RADEON_IS_PCIE))
5336		return;
5337
5338	/* x2 cards have a special sequence */
5339	if (ASIC_IS_X2(rdev))
5340		return;
5341
5342	if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) &&
5343		(rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT))
5344		return;
5345
5346	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5347	if (speed_cntl & LC_CURRENT_DATA_RATE) {
5348		DRM_INFO("PCIE gen 2 link speeds already enabled\n");
5349		return;
5350	}
5351
5352	DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
5353
5354	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) ||
5355	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
5356
5357		link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
5358		link_width_cntl &= ~LC_UPCONFIGURE_DIS;
5359		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
5360
5361		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5362		speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
5363		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5364
5365		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5366		speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
5367		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5368
5369		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5370		speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
5371		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5372
5373		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5374		speed_cntl |= LC_GEN2_EN_STRAP;
5375		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5376
5377	} else {
5378		link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
5379		/* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
5380		if (1)
5381			link_width_cntl |= LC_UPCONFIGURE_DIS;
5382		else
5383			link_width_cntl &= ~LC_UPCONFIGURE_DIS;
5384		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
5385	}
5386}
5387
5388void evergreen_program_aspm(struct radeon_device *rdev)
5389{
5390	u32 data, orig;
5391	u32 pcie_lc_cntl, pcie_lc_cntl_old;
5392	bool disable_l0s, disable_l1 = false, disable_plloff_in_l1 = false;
5393	/* fusion_platform = true
5394	 * if the system is a fusion system
5395	 * (APU or DGPU in a fusion system).
5396	 * todo: check if the system is a fusion platform.
5397	 */
5398	bool fusion_platform = false;
5399
5400	if (radeon_aspm == 0)
5401		return;
5402
5403	if (!(rdev->flags & RADEON_IS_PCIE))
5404		return;
5405
5406	switch (rdev->family) {
5407	case CHIP_CYPRESS:
5408	case CHIP_HEMLOCK:
5409	case CHIP_JUNIPER:
5410	case CHIP_REDWOOD:
5411	case CHIP_CEDAR:
5412	case CHIP_SUMO:
5413	case CHIP_SUMO2:
5414	case CHIP_PALM:
5415	case CHIP_ARUBA:
5416		disable_l0s = true;
5417		break;
5418	default:
5419		disable_l0s = false;
5420		break;
5421	}
5422
5423	if (rdev->flags & RADEON_IS_IGP)
5424		fusion_platform = true; /* XXX also dGPUs in a fusion system */
5425
5426	data = orig = RREG32_PIF_PHY0(PB0_PIF_PAIRING);
5427	if (fusion_platform)
5428		data &= ~MULTI_PIF;
5429	else
5430		data |= MULTI_PIF;
5431	if (data != orig)
5432		WREG32_PIF_PHY0(PB0_PIF_PAIRING, data);
5433
5434	data = orig = RREG32_PIF_PHY1(PB1_PIF_PAIRING);
5435	if (fusion_platform)
5436		data &= ~MULTI_PIF;
5437	else
5438		data |= MULTI_PIF;
5439	if (data != orig)
5440		WREG32_PIF_PHY1(PB1_PIF_PAIRING, data);
5441
5442	pcie_lc_cntl = pcie_lc_cntl_old = RREG32_PCIE_PORT(PCIE_LC_CNTL);
5443	pcie_lc_cntl &= ~(LC_L0S_INACTIVITY_MASK | LC_L1_INACTIVITY_MASK);
5444	if (!disable_l0s) {
5445		if (rdev->family >= CHIP_BARTS)
5446			pcie_lc_cntl |= LC_L0S_INACTIVITY(7);
5447		else
5448			pcie_lc_cntl |= LC_L0S_INACTIVITY(3);
5449	}
5450
5451	if (!disable_l1) {
5452		if (rdev->family >= CHIP_BARTS)
5453			pcie_lc_cntl |= LC_L1_INACTIVITY(7);
5454		else
5455			pcie_lc_cntl |= LC_L1_INACTIVITY(8);
5456
5457		if (!disable_plloff_in_l1) {
5458			data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
5459			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
5460			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
5461			if (data != orig)
5462				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
5463
5464			data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
5465			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
5466			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
5467			if (data != orig)
5468				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
5469
5470			data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
5471			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
5472			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
5473			if (data != orig)
5474				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
5475
5476			data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
5477			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
5478			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
5479			if (data != orig)
5480				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
5481
5482			if (rdev->family >= CHIP_BARTS) {
5483				data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
5484				data &= ~PLL_RAMP_UP_TIME_0_MASK;
5485				data |= PLL_RAMP_UP_TIME_0(4);
5486				if (data != orig)
5487					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
5488
5489				data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
5490				data &= ~PLL_RAMP_UP_TIME_1_MASK;
5491				data |= PLL_RAMP_UP_TIME_1(4);
5492				if (data != orig)
5493					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
5494
5495				data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
5496				data &= ~PLL_RAMP_UP_TIME_0_MASK;
5497				data |= PLL_RAMP_UP_TIME_0(4);
5498				if (data != orig)
5499					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
5500
5501				data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
5502				data &= ~PLL_RAMP_UP_TIME_1_MASK;
5503				data |= PLL_RAMP_UP_TIME_1(4);
5504				if (data != orig)
5505					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
5506			}
5507
5508			data = orig = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
5509			data &= ~LC_DYN_LANES_PWR_STATE_MASK;
5510			data |= LC_DYN_LANES_PWR_STATE(3);
5511			if (data != orig)
5512				WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, data);
5513
5514			if (rdev->family >= CHIP_BARTS) {
5515				data = orig = RREG32_PIF_PHY0(PB0_PIF_CNTL);
5516				data &= ~LS2_EXIT_TIME_MASK;
5517				data |= LS2_EXIT_TIME(1);
5518				if (data != orig)
5519					WREG32_PIF_PHY0(PB0_PIF_CNTL, data);
5520
5521				data = orig = RREG32_PIF_PHY1(PB1_PIF_CNTL);
5522				data &= ~LS2_EXIT_TIME_MASK;
5523				data |= LS2_EXIT_TIME(1);
5524				if (data != orig)
5525					WREG32_PIF_PHY1(PB1_PIF_CNTL, data);
5526			}
5527		}
5528	}
5529
5530	/* evergreen parts only */
5531	if (rdev->family < CHIP_BARTS)
5532		pcie_lc_cntl |= LC_PMI_TO_L1_DIS;
5533
5534	if (pcie_lc_cntl != pcie_lc_cntl_old)
5535		WREG32_PCIE_PORT(PCIE_LC_CNTL, pcie_lc_cntl);
5536}