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v4.6
   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#include <linux/firmware.h>
  25#include <linux/slab.h>
  26#include <linux/module.h>
  27#include <drm/drmP.h>
  28#include "radeon.h"
  29#include "radeon_asic.h"
  30#include "radeon_audio.h"
  31#include <drm/radeon_drm.h>
  32#include "nid.h"
  33#include "atom.h"
  34#include "ni_reg.h"
  35#include "cayman_blit_shaders.h"
  36#include "radeon_ucode.h"
  37#include "clearstate_cayman.h"
 
 
 
 
 
 
 
 
  38
  39/*
  40 * Indirect registers accessor
  41 */
  42u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg)
  43{
  44	unsigned long flags;
  45	u32 r;
  46
  47	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
  48	WREG32(TN_SMC_IND_INDEX_0, (reg));
  49	r = RREG32(TN_SMC_IND_DATA_0);
  50	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
  51	return r;
  52}
  53
  54void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
  55{
  56	unsigned long flags;
  57
  58	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
  59	WREG32(TN_SMC_IND_INDEX_0, (reg));
  60	WREG32(TN_SMC_IND_DATA_0, (v));
  61	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
  62}
  63
  64static const u32 tn_rlc_save_restore_register_list[] =
  65{
  66	0x98fc,
  67	0x98f0,
  68	0x9834,
  69	0x9838,
  70	0x9870,
  71	0x9874,
  72	0x8a14,
  73	0x8b24,
  74	0x8bcc,
  75	0x8b10,
  76	0x8c30,
  77	0x8d00,
  78	0x8d04,
  79	0x8c00,
  80	0x8c04,
  81	0x8c10,
  82	0x8c14,
  83	0x8d8c,
  84	0x8cf0,
  85	0x8e38,
  86	0x9508,
  87	0x9688,
  88	0x9608,
  89	0x960c,
  90	0x9610,
  91	0x9614,
  92	0x88c4,
  93	0x8978,
  94	0x88d4,
  95	0x900c,
  96	0x9100,
  97	0x913c,
  98	0x90e8,
  99	0x9354,
 100	0xa008,
 101	0x98f8,
 102	0x9148,
 103	0x914c,
 104	0x3f94,
 105	0x98f4,
 106	0x9b7c,
 107	0x3f8c,
 108	0x8950,
 109	0x8954,
 110	0x8a18,
 111	0x8b28,
 112	0x9144,
 113	0x3f90,
 114	0x915c,
 115	0x9160,
 116	0x9178,
 117	0x917c,
 118	0x9180,
 119	0x918c,
 120	0x9190,
 121	0x9194,
 122	0x9198,
 123	0x919c,
 124	0x91a8,
 125	0x91ac,
 126	0x91b0,
 127	0x91b4,
 128	0x91b8,
 129	0x91c4,
 130	0x91c8,
 131	0x91cc,
 132	0x91d0,
 133	0x91d4,
 134	0x91e0,
 135	0x91e4,
 136	0x91ec,
 137	0x91f0,
 138	0x91f4,
 139	0x9200,
 140	0x9204,
 141	0x929c,
 142	0x8030,
 143	0x9150,
 144	0x9a60,
 145	0x920c,
 146	0x9210,
 147	0x9228,
 148	0x922c,
 149	0x9244,
 150	0x9248,
 151	0x91e8,
 152	0x9294,
 153	0x9208,
 154	0x9224,
 155	0x9240,
 156	0x9220,
 157	0x923c,
 158	0x9258,
 159	0x9744,
 160	0xa200,
 161	0xa204,
 162	0xa208,
 163	0xa20c,
 164	0x8d58,
 165	0x9030,
 166	0x9034,
 167	0x9038,
 168	0x903c,
 169	0x9040,
 170	0x9654,
 171	0x897c,
 172	0xa210,
 173	0xa214,
 174	0x9868,
 175	0xa02c,
 176	0x9664,
 177	0x9698,
 178	0x949c,
 179	0x8e10,
 180	0x8e18,
 181	0x8c50,
 182	0x8c58,
 183	0x8c60,
 184	0x8c68,
 185	0x89b4,
 186	0x9830,
 187	0x802c,
 188};
 189
 190extern bool evergreen_is_display_hung(struct radeon_device *rdev);
 191extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev);
 192extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
 193extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
 194extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);
 195extern void evergreen_mc_program(struct radeon_device *rdev);
 196extern void evergreen_irq_suspend(struct radeon_device *rdev);
 197extern int evergreen_mc_init(struct radeon_device *rdev);
 198extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
 199extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
 200extern void evergreen_program_aspm(struct radeon_device *rdev);
 201extern void sumo_rlc_fini(struct radeon_device *rdev);
 202extern int sumo_rlc_init(struct radeon_device *rdev);
 203extern void evergreen_gpu_pci_config_reset(struct radeon_device *rdev);
 204
 205/* Firmware Names */
 206MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
 207MODULE_FIRMWARE("radeon/BARTS_me.bin");
 208MODULE_FIRMWARE("radeon/BARTS_mc.bin");
 209MODULE_FIRMWARE("radeon/BARTS_smc.bin");
 210MODULE_FIRMWARE("radeon/BTC_rlc.bin");
 211MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
 212MODULE_FIRMWARE("radeon/TURKS_me.bin");
 213MODULE_FIRMWARE("radeon/TURKS_mc.bin");
 214MODULE_FIRMWARE("radeon/TURKS_smc.bin");
 215MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
 216MODULE_FIRMWARE("radeon/CAICOS_me.bin");
 217MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
 218MODULE_FIRMWARE("radeon/CAICOS_smc.bin");
 219MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
 220MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
 221MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
 222MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
 223MODULE_FIRMWARE("radeon/CAYMAN_smc.bin");
 224MODULE_FIRMWARE("radeon/ARUBA_pfp.bin");
 225MODULE_FIRMWARE("radeon/ARUBA_me.bin");
 226MODULE_FIRMWARE("radeon/ARUBA_rlc.bin");
 227
 228
 229static const u32 cayman_golden_registers2[] =
 230{
 231	0x3e5c, 0xffffffff, 0x00000000,
 232	0x3e48, 0xffffffff, 0x00000000,
 233	0x3e4c, 0xffffffff, 0x00000000,
 234	0x3e64, 0xffffffff, 0x00000000,
 235	0x3e50, 0xffffffff, 0x00000000,
 236	0x3e60, 0xffffffff, 0x00000000
 237};
 238
 239static const u32 cayman_golden_registers[] =
 240{
 241	0x5eb4, 0xffffffff, 0x00000002,
 242	0x5e78, 0x8f311ff1, 0x001000f0,
 243	0x3f90, 0xffff0000, 0xff000000,
 244	0x9148, 0xffff0000, 0xff000000,
 245	0x3f94, 0xffff0000, 0xff000000,
 246	0x914c, 0xffff0000, 0xff000000,
 247	0xc78, 0x00000080, 0x00000080,
 248	0xbd4, 0x70073777, 0x00011003,
 249	0xd02c, 0xbfffff1f, 0x08421000,
 250	0xd0b8, 0x73773777, 0x02011003,
 251	0x5bc0, 0x00200000, 0x50100000,
 252	0x98f8, 0x33773777, 0x02011003,
 253	0x98fc, 0xffffffff, 0x76541032,
 254	0x7030, 0x31000311, 0x00000011,
 255	0x2f48, 0x33773777, 0x42010001,
 256	0x6b28, 0x00000010, 0x00000012,
 257	0x7728, 0x00000010, 0x00000012,
 258	0x10328, 0x00000010, 0x00000012,
 259	0x10f28, 0x00000010, 0x00000012,
 260	0x11b28, 0x00000010, 0x00000012,
 261	0x12728, 0x00000010, 0x00000012,
 262	0x240c, 0x000007ff, 0x00000000,
 263	0x8a14, 0xf000001f, 0x00000007,
 264	0x8b24, 0x3fff3fff, 0x00ff0fff,
 265	0x8b10, 0x0000ff0f, 0x00000000,
 266	0x28a4c, 0x07ffffff, 0x06000000,
 267	0x10c, 0x00000001, 0x00010003,
 268	0xa02c, 0xffffffff, 0x0000009b,
 269	0x913c, 0x0000010f, 0x01000100,
 270	0x8c04, 0xf8ff00ff, 0x40600060,
 271	0x28350, 0x00000f01, 0x00000000,
 272	0x9508, 0x3700001f, 0x00000002,
 273	0x960c, 0xffffffff, 0x54763210,
 274	0x88c4, 0x001f3ae3, 0x00000082,
 275	0x88d0, 0xffffffff, 0x0f40df40,
 276	0x88d4, 0x0000001f, 0x00000010,
 277	0x8974, 0xffffffff, 0x00000000
 278};
 279
 280static const u32 dvst_golden_registers2[] =
 281{
 282	0x8f8, 0xffffffff, 0,
 283	0x8fc, 0x00380000, 0,
 284	0x8f8, 0xffffffff, 1,
 285	0x8fc, 0x0e000000, 0
 286};
 287
 288static const u32 dvst_golden_registers[] =
 289{
 290	0x690, 0x3fff3fff, 0x20c00033,
 291	0x918c, 0x0fff0fff, 0x00010006,
 292	0x91a8, 0x0fff0fff, 0x00010006,
 293	0x9150, 0xffffdfff, 0x6e944040,
 294	0x917c, 0x0fff0fff, 0x00030002,
 295	0x9198, 0x0fff0fff, 0x00030002,
 296	0x915c, 0x0fff0fff, 0x00010000,
 297	0x3f90, 0xffff0001, 0xff000000,
 298	0x9178, 0x0fff0fff, 0x00070000,
 299	0x9194, 0x0fff0fff, 0x00070000,
 300	0x9148, 0xffff0001, 0xff000000,
 301	0x9190, 0x0fff0fff, 0x00090008,
 302	0x91ac, 0x0fff0fff, 0x00090008,
 303	0x3f94, 0xffff0000, 0xff000000,
 304	0x914c, 0xffff0000, 0xff000000,
 305	0x929c, 0x00000fff, 0x00000001,
 306	0x55e4, 0xff607fff, 0xfc000100,
 307	0x8a18, 0xff000fff, 0x00000100,
 308	0x8b28, 0xff000fff, 0x00000100,
 309	0x9144, 0xfffc0fff, 0x00000100,
 310	0x6ed8, 0x00010101, 0x00010000,
 311	0x9830, 0xffffffff, 0x00000000,
 312	0x9834, 0xf00fffff, 0x00000400,
 313	0x9838, 0xfffffffe, 0x00000000,
 314	0xd0c0, 0xff000fff, 0x00000100,
 315	0xd02c, 0xbfffff1f, 0x08421000,
 316	0xd0b8, 0x73773777, 0x12010001,
 317	0x5bb0, 0x000000f0, 0x00000070,
 318	0x98f8, 0x73773777, 0x12010001,
 319	0x98fc, 0xffffffff, 0x00000010,
 320	0x9b7c, 0x00ff0000, 0x00fc0000,
 321	0x8030, 0x00001f0f, 0x0000100a,
 322	0x2f48, 0x73773777, 0x12010001,
 323	0x2408, 0x00030000, 0x000c007f,
 324	0x8a14, 0xf000003f, 0x00000007,
 325	0x8b24, 0x3fff3fff, 0x00ff0fff,
 326	0x8b10, 0x0000ff0f, 0x00000000,
 327	0x28a4c, 0x07ffffff, 0x06000000,
 328	0x4d8, 0x00000fff, 0x00000100,
 329	0xa008, 0xffffffff, 0x00010000,
 330	0x913c, 0xffff03ff, 0x01000100,
 331	0x8c00, 0x000000ff, 0x00000003,
 332	0x8c04, 0xf8ff00ff, 0x40600060,
 333	0x8cf0, 0x1fff1fff, 0x08e00410,
 334	0x28350, 0x00000f01, 0x00000000,
 335	0x9508, 0xf700071f, 0x00000002,
 336	0x960c, 0xffffffff, 0x54763210,
 337	0x20ef8, 0x01ff01ff, 0x00000002,
 338	0x20e98, 0xfffffbff, 0x00200000,
 339	0x2015c, 0xffffffff, 0x00000f40,
 340	0x88c4, 0x001f3ae3, 0x00000082,
 341	0x8978, 0x3fffffff, 0x04050140,
 342	0x88d4, 0x0000001f, 0x00000010,
 343	0x8974, 0xffffffff, 0x00000000
 344};
 345
 346static const u32 scrapper_golden_registers[] =
 347{
 348	0x690, 0x3fff3fff, 0x20c00033,
 349	0x918c, 0x0fff0fff, 0x00010006,
 350	0x918c, 0x0fff0fff, 0x00010006,
 351	0x91a8, 0x0fff0fff, 0x00010006,
 352	0x91a8, 0x0fff0fff, 0x00010006,
 353	0x9150, 0xffffdfff, 0x6e944040,
 354	0x9150, 0xffffdfff, 0x6e944040,
 355	0x917c, 0x0fff0fff, 0x00030002,
 356	0x917c, 0x0fff0fff, 0x00030002,
 357	0x9198, 0x0fff0fff, 0x00030002,
 358	0x9198, 0x0fff0fff, 0x00030002,
 359	0x915c, 0x0fff0fff, 0x00010000,
 360	0x915c, 0x0fff0fff, 0x00010000,
 361	0x3f90, 0xffff0001, 0xff000000,
 362	0x3f90, 0xffff0001, 0xff000000,
 363	0x9178, 0x0fff0fff, 0x00070000,
 364	0x9178, 0x0fff0fff, 0x00070000,
 365	0x9194, 0x0fff0fff, 0x00070000,
 366	0x9194, 0x0fff0fff, 0x00070000,
 367	0x9148, 0xffff0001, 0xff000000,
 368	0x9148, 0xffff0001, 0xff000000,
 369	0x9190, 0x0fff0fff, 0x00090008,
 370	0x9190, 0x0fff0fff, 0x00090008,
 371	0x91ac, 0x0fff0fff, 0x00090008,
 372	0x91ac, 0x0fff0fff, 0x00090008,
 373	0x3f94, 0xffff0000, 0xff000000,
 374	0x3f94, 0xffff0000, 0xff000000,
 375	0x914c, 0xffff0000, 0xff000000,
 376	0x914c, 0xffff0000, 0xff000000,
 377	0x929c, 0x00000fff, 0x00000001,
 378	0x929c, 0x00000fff, 0x00000001,
 379	0x55e4, 0xff607fff, 0xfc000100,
 380	0x8a18, 0xff000fff, 0x00000100,
 381	0x8a18, 0xff000fff, 0x00000100,
 382	0x8b28, 0xff000fff, 0x00000100,
 383	0x8b28, 0xff000fff, 0x00000100,
 384	0x9144, 0xfffc0fff, 0x00000100,
 385	0x9144, 0xfffc0fff, 0x00000100,
 386	0x6ed8, 0x00010101, 0x00010000,
 387	0x9830, 0xffffffff, 0x00000000,
 388	0x9830, 0xffffffff, 0x00000000,
 389	0x9834, 0xf00fffff, 0x00000400,
 390	0x9834, 0xf00fffff, 0x00000400,
 391	0x9838, 0xfffffffe, 0x00000000,
 392	0x9838, 0xfffffffe, 0x00000000,
 393	0xd0c0, 0xff000fff, 0x00000100,
 394	0xd02c, 0xbfffff1f, 0x08421000,
 395	0xd02c, 0xbfffff1f, 0x08421000,
 396	0xd0b8, 0x73773777, 0x12010001,
 397	0xd0b8, 0x73773777, 0x12010001,
 398	0x5bb0, 0x000000f0, 0x00000070,
 399	0x98f8, 0x73773777, 0x12010001,
 400	0x98f8, 0x73773777, 0x12010001,
 401	0x98fc, 0xffffffff, 0x00000010,
 402	0x98fc, 0xffffffff, 0x00000010,
 403	0x9b7c, 0x00ff0000, 0x00fc0000,
 404	0x9b7c, 0x00ff0000, 0x00fc0000,
 405	0x8030, 0x00001f0f, 0x0000100a,
 406	0x8030, 0x00001f0f, 0x0000100a,
 407	0x2f48, 0x73773777, 0x12010001,
 408	0x2f48, 0x73773777, 0x12010001,
 409	0x2408, 0x00030000, 0x000c007f,
 410	0x8a14, 0xf000003f, 0x00000007,
 411	0x8a14, 0xf000003f, 0x00000007,
 412	0x8b24, 0x3fff3fff, 0x00ff0fff,
 413	0x8b24, 0x3fff3fff, 0x00ff0fff,
 414	0x8b10, 0x0000ff0f, 0x00000000,
 415	0x8b10, 0x0000ff0f, 0x00000000,
 416	0x28a4c, 0x07ffffff, 0x06000000,
 417	0x28a4c, 0x07ffffff, 0x06000000,
 418	0x4d8, 0x00000fff, 0x00000100,
 419	0x4d8, 0x00000fff, 0x00000100,
 420	0xa008, 0xffffffff, 0x00010000,
 421	0xa008, 0xffffffff, 0x00010000,
 422	0x913c, 0xffff03ff, 0x01000100,
 423	0x913c, 0xffff03ff, 0x01000100,
 424	0x90e8, 0x001fffff, 0x010400c0,
 425	0x8c00, 0x000000ff, 0x00000003,
 426	0x8c00, 0x000000ff, 0x00000003,
 427	0x8c04, 0xf8ff00ff, 0x40600060,
 428	0x8c04, 0xf8ff00ff, 0x40600060,
 429	0x8c30, 0x0000000f, 0x00040005,
 430	0x8cf0, 0x1fff1fff, 0x08e00410,
 431	0x8cf0, 0x1fff1fff, 0x08e00410,
 432	0x900c, 0x00ffffff, 0x0017071f,
 433	0x28350, 0x00000f01, 0x00000000,
 434	0x28350, 0x00000f01, 0x00000000,
 435	0x9508, 0xf700071f, 0x00000002,
 436	0x9508, 0xf700071f, 0x00000002,
 437	0x9688, 0x00300000, 0x0017000f,
 438	0x960c, 0xffffffff, 0x54763210,
 439	0x960c, 0xffffffff, 0x54763210,
 440	0x20ef8, 0x01ff01ff, 0x00000002,
 441	0x20e98, 0xfffffbff, 0x00200000,
 442	0x2015c, 0xffffffff, 0x00000f40,
 443	0x88c4, 0x001f3ae3, 0x00000082,
 444	0x88c4, 0x001f3ae3, 0x00000082,
 445	0x8978, 0x3fffffff, 0x04050140,
 446	0x8978, 0x3fffffff, 0x04050140,
 447	0x88d4, 0x0000001f, 0x00000010,
 448	0x88d4, 0x0000001f, 0x00000010,
 449	0x8974, 0xffffffff, 0x00000000,
 450	0x8974, 0xffffffff, 0x00000000
 451};
 452
 453static void ni_init_golden_registers(struct radeon_device *rdev)
 454{
 455	switch (rdev->family) {
 456	case CHIP_CAYMAN:
 457		radeon_program_register_sequence(rdev,
 458						 cayman_golden_registers,
 459						 (const u32)ARRAY_SIZE(cayman_golden_registers));
 460		radeon_program_register_sequence(rdev,
 461						 cayman_golden_registers2,
 462						 (const u32)ARRAY_SIZE(cayman_golden_registers2));
 463		break;
 464	case CHIP_ARUBA:
 465		if ((rdev->pdev->device == 0x9900) ||
 466		    (rdev->pdev->device == 0x9901) ||
 467		    (rdev->pdev->device == 0x9903) ||
 468		    (rdev->pdev->device == 0x9904) ||
 469		    (rdev->pdev->device == 0x9905) ||
 470		    (rdev->pdev->device == 0x9906) ||
 471		    (rdev->pdev->device == 0x9907) ||
 472		    (rdev->pdev->device == 0x9908) ||
 473		    (rdev->pdev->device == 0x9909) ||
 474		    (rdev->pdev->device == 0x990A) ||
 475		    (rdev->pdev->device == 0x990B) ||
 476		    (rdev->pdev->device == 0x990C) ||
 477		    (rdev->pdev->device == 0x990D) ||
 478		    (rdev->pdev->device == 0x990E) ||
 479		    (rdev->pdev->device == 0x990F) ||
 480		    (rdev->pdev->device == 0x9910) ||
 481		    (rdev->pdev->device == 0x9913) ||
 482		    (rdev->pdev->device == 0x9917) ||
 483		    (rdev->pdev->device == 0x9918)) {
 484			radeon_program_register_sequence(rdev,
 485							 dvst_golden_registers,
 486							 (const u32)ARRAY_SIZE(dvst_golden_registers));
 487			radeon_program_register_sequence(rdev,
 488							 dvst_golden_registers2,
 489							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
 490		} else {
 491			radeon_program_register_sequence(rdev,
 492							 scrapper_golden_registers,
 493							 (const u32)ARRAY_SIZE(scrapper_golden_registers));
 494			radeon_program_register_sequence(rdev,
 495							 dvst_golden_registers2,
 496							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
 497		}
 498		break;
 499	default:
 500		break;
 501	}
 502}
 503
 504#define BTC_IO_MC_REGS_SIZE 29
 505
 506static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 507	{0x00000077, 0xff010100},
 508	{0x00000078, 0x00000000},
 509	{0x00000079, 0x00001434},
 510	{0x0000007a, 0xcc08ec08},
 511	{0x0000007b, 0x00040000},
 512	{0x0000007c, 0x000080c0},
 513	{0x0000007d, 0x09000000},
 514	{0x0000007e, 0x00210404},
 515	{0x00000081, 0x08a8e800},
 516	{0x00000082, 0x00030444},
 517	{0x00000083, 0x00000000},
 518	{0x00000085, 0x00000001},
 519	{0x00000086, 0x00000002},
 520	{0x00000087, 0x48490000},
 521	{0x00000088, 0x20244647},
 522	{0x00000089, 0x00000005},
 523	{0x0000008b, 0x66030000},
 524	{0x0000008c, 0x00006603},
 525	{0x0000008d, 0x00000100},
 526	{0x0000008f, 0x00001c0a},
 527	{0x00000090, 0xff000001},
 528	{0x00000094, 0x00101101},
 529	{0x00000095, 0x00000fff},
 530	{0x00000096, 0x00116fff},
 531	{0x00000097, 0x60010000},
 532	{0x00000098, 0x10010000},
 533	{0x00000099, 0x00006000},
 534	{0x0000009a, 0x00001000},
 535	{0x0000009f, 0x00946a00}
 536};
 537
 538static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 539	{0x00000077, 0xff010100},
 540	{0x00000078, 0x00000000},
 541	{0x00000079, 0x00001434},
 542	{0x0000007a, 0xcc08ec08},
 543	{0x0000007b, 0x00040000},
 544	{0x0000007c, 0x000080c0},
 545	{0x0000007d, 0x09000000},
 546	{0x0000007e, 0x00210404},
 547	{0x00000081, 0x08a8e800},
 548	{0x00000082, 0x00030444},
 549	{0x00000083, 0x00000000},
 550	{0x00000085, 0x00000001},
 551	{0x00000086, 0x00000002},
 552	{0x00000087, 0x48490000},
 553	{0x00000088, 0x20244647},
 554	{0x00000089, 0x00000005},
 555	{0x0000008b, 0x66030000},
 556	{0x0000008c, 0x00006603},
 557	{0x0000008d, 0x00000100},
 558	{0x0000008f, 0x00001c0a},
 559	{0x00000090, 0xff000001},
 560	{0x00000094, 0x00101101},
 561	{0x00000095, 0x00000fff},
 562	{0x00000096, 0x00116fff},
 563	{0x00000097, 0x60010000},
 564	{0x00000098, 0x10010000},
 565	{0x00000099, 0x00006000},
 566	{0x0000009a, 0x00001000},
 567	{0x0000009f, 0x00936a00}
 568};
 569
 570static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 571	{0x00000077, 0xff010100},
 572	{0x00000078, 0x00000000},
 573	{0x00000079, 0x00001434},
 574	{0x0000007a, 0xcc08ec08},
 575	{0x0000007b, 0x00040000},
 576	{0x0000007c, 0x000080c0},
 577	{0x0000007d, 0x09000000},
 578	{0x0000007e, 0x00210404},
 579	{0x00000081, 0x08a8e800},
 580	{0x00000082, 0x00030444},
 581	{0x00000083, 0x00000000},
 582	{0x00000085, 0x00000001},
 583	{0x00000086, 0x00000002},
 584	{0x00000087, 0x48490000},
 585	{0x00000088, 0x20244647},
 586	{0x00000089, 0x00000005},
 587	{0x0000008b, 0x66030000},
 588	{0x0000008c, 0x00006603},
 589	{0x0000008d, 0x00000100},
 590	{0x0000008f, 0x00001c0a},
 591	{0x00000090, 0xff000001},
 592	{0x00000094, 0x00101101},
 593	{0x00000095, 0x00000fff},
 594	{0x00000096, 0x00116fff},
 595	{0x00000097, 0x60010000},
 596	{0x00000098, 0x10010000},
 597	{0x00000099, 0x00006000},
 598	{0x0000009a, 0x00001000},
 599	{0x0000009f, 0x00916a00}
 600};
 601
 602static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 603	{0x00000077, 0xff010100},
 604	{0x00000078, 0x00000000},
 605	{0x00000079, 0x00001434},
 606	{0x0000007a, 0xcc08ec08},
 607	{0x0000007b, 0x00040000},
 608	{0x0000007c, 0x000080c0},
 609	{0x0000007d, 0x09000000},
 610	{0x0000007e, 0x00210404},
 611	{0x00000081, 0x08a8e800},
 612	{0x00000082, 0x00030444},
 613	{0x00000083, 0x00000000},
 614	{0x00000085, 0x00000001},
 615	{0x00000086, 0x00000002},
 616	{0x00000087, 0x48490000},
 617	{0x00000088, 0x20244647},
 618	{0x00000089, 0x00000005},
 619	{0x0000008b, 0x66030000},
 620	{0x0000008c, 0x00006603},
 621	{0x0000008d, 0x00000100},
 622	{0x0000008f, 0x00001c0a},
 623	{0x00000090, 0xff000001},
 624	{0x00000094, 0x00101101},
 625	{0x00000095, 0x00000fff},
 626	{0x00000096, 0x00116fff},
 627	{0x00000097, 0x60010000},
 628	{0x00000098, 0x10010000},
 629	{0x00000099, 0x00006000},
 630	{0x0000009a, 0x00001000},
 631	{0x0000009f, 0x00976b00}
 632};
 633
 634int ni_mc_load_microcode(struct radeon_device *rdev)
 635{
 636	const __be32 *fw_data;
 637	u32 mem_type, running, blackout = 0;
 638	u32 *io_mc_regs;
 639	int i, ucode_size, regs_size;
 640
 641	if (!rdev->mc_fw)
 642		return -EINVAL;
 643
 644	switch (rdev->family) {
 645	case CHIP_BARTS:
 646		io_mc_regs = (u32 *)&barts_io_mc_regs;
 647		ucode_size = BTC_MC_UCODE_SIZE;
 648		regs_size = BTC_IO_MC_REGS_SIZE;
 649		break;
 650	case CHIP_TURKS:
 651		io_mc_regs = (u32 *)&turks_io_mc_regs;
 652		ucode_size = BTC_MC_UCODE_SIZE;
 653		regs_size = BTC_IO_MC_REGS_SIZE;
 654		break;
 655	case CHIP_CAICOS:
 656	default:
 657		io_mc_regs = (u32 *)&caicos_io_mc_regs;
 658		ucode_size = BTC_MC_UCODE_SIZE;
 659		regs_size = BTC_IO_MC_REGS_SIZE;
 660		break;
 661	case CHIP_CAYMAN:
 662		io_mc_regs = (u32 *)&cayman_io_mc_regs;
 663		ucode_size = CAYMAN_MC_UCODE_SIZE;
 664		regs_size = BTC_IO_MC_REGS_SIZE;
 665		break;
 666	}
 667
 668	mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
 669	running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
 670
 671	if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
 672		if (running) {
 673			blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
 674			WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
 675		}
 676
 677		/* reset the engine and set to writable */
 678		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
 679		WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
 680
 681		/* load mc io regs */
 682		for (i = 0; i < regs_size; i++) {
 683			WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
 684			WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
 685		}
 686		/* load the MC ucode */
 687		fw_data = (const __be32 *)rdev->mc_fw->data;
 688		for (i = 0; i < ucode_size; i++)
 689			WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
 690
 691		/* put the engine back into the active state */
 692		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
 693		WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
 694		WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
 695
 696		/* wait for training to complete */
 697		for (i = 0; i < rdev->usec_timeout; i++) {
 698			if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)
 699				break;
 700			udelay(1);
 701		}
 702
 703		if (running)
 704			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
 705	}
 706
 707	return 0;
 708}
 709
 710int ni_init_microcode(struct radeon_device *rdev)
 711{
 712	const char *chip_name;
 713	const char *rlc_chip_name;
 714	size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
 715	size_t smc_req_size = 0;
 716	char fw_name[30];
 717	int err;
 718
 719	DRM_DEBUG("\n");
 720
 721	switch (rdev->family) {
 722	case CHIP_BARTS:
 723		chip_name = "BARTS";
 724		rlc_chip_name = "BTC";
 725		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 726		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 727		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 728		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 729		smc_req_size = ALIGN(BARTS_SMC_UCODE_SIZE, 4);
 730		break;
 731	case CHIP_TURKS:
 732		chip_name = "TURKS";
 733		rlc_chip_name = "BTC";
 734		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 735		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 736		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 737		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 738		smc_req_size = ALIGN(TURKS_SMC_UCODE_SIZE, 4);
 739		break;
 740	case CHIP_CAICOS:
 741		chip_name = "CAICOS";
 742		rlc_chip_name = "BTC";
 743		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 744		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 745		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 746		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 747		smc_req_size = ALIGN(CAICOS_SMC_UCODE_SIZE, 4);
 748		break;
 749	case CHIP_CAYMAN:
 750		chip_name = "CAYMAN";
 751		rlc_chip_name = "CAYMAN";
 752		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
 753		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
 754		rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
 755		mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
 756		smc_req_size = ALIGN(CAYMAN_SMC_UCODE_SIZE, 4);
 757		break;
 758	case CHIP_ARUBA:
 759		chip_name = "ARUBA";
 760		rlc_chip_name = "ARUBA";
 761		/* pfp/me same size as CAYMAN */
 762		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
 763		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
 764		rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4;
 765		mc_req_size = 0;
 766		break;
 767	default: BUG();
 768	}
 769
 770	DRM_INFO("Loading %s Microcode\n", chip_name);
 771
 772	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
 773	err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
 774	if (err)
 775		goto out;
 776	if (rdev->pfp_fw->size != pfp_req_size) {
 777		printk(KERN_ERR
 778		       "ni_cp: Bogus length %zu in firmware \"%s\"\n",
 779		       rdev->pfp_fw->size, fw_name);
 780		err = -EINVAL;
 781		goto out;
 782	}
 783
 784	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
 785	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
 786	if (err)
 787		goto out;
 788	if (rdev->me_fw->size != me_req_size) {
 789		printk(KERN_ERR
 790		       "ni_cp: Bogus length %zu in firmware \"%s\"\n",
 791		       rdev->me_fw->size, fw_name);
 792		err = -EINVAL;
 793	}
 794
 795	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
 796	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
 797	if (err)
 798		goto out;
 799	if (rdev->rlc_fw->size != rlc_req_size) {
 800		printk(KERN_ERR
 801		       "ni_rlc: Bogus length %zu in firmware \"%s\"\n",
 802		       rdev->rlc_fw->size, fw_name);
 803		err = -EINVAL;
 804	}
 805
 806	/* no MC ucode on TN */
 807	if (!(rdev->flags & RADEON_IS_IGP)) {
 808		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
 809		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
 810		if (err)
 811			goto out;
 812		if (rdev->mc_fw->size != mc_req_size) {
 813			printk(KERN_ERR
 814			       "ni_mc: Bogus length %zu in firmware \"%s\"\n",
 815			       rdev->mc_fw->size, fw_name);
 816			err = -EINVAL;
 817		}
 818	}
 819
 820	if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
 821		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
 822		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
 823		if (err) {
 824			printk(KERN_ERR
 825			       "smc: error loading firmware \"%s\"\n",
 826			       fw_name);
 827			release_firmware(rdev->smc_fw);
 828			rdev->smc_fw = NULL;
 829			err = 0;
 830		} else if (rdev->smc_fw->size != smc_req_size) {
 831			printk(KERN_ERR
 832			       "ni_mc: Bogus length %zu in firmware \"%s\"\n",
 833			       rdev->mc_fw->size, fw_name);
 834			err = -EINVAL;
 835		}
 836	}
 837
 838out:
 839	if (err) {
 840		if (err != -EINVAL)
 841			printk(KERN_ERR
 842			       "ni_cp: Failed to load firmware \"%s\"\n",
 843			       fw_name);
 844		release_firmware(rdev->pfp_fw);
 845		rdev->pfp_fw = NULL;
 846		release_firmware(rdev->me_fw);
 847		rdev->me_fw = NULL;
 848		release_firmware(rdev->rlc_fw);
 849		rdev->rlc_fw = NULL;
 850		release_firmware(rdev->mc_fw);
 851		rdev->mc_fw = NULL;
 852	}
 853	return err;
 854}
 855
 856/**
 857 * cayman_get_allowed_info_register - fetch the register for the info ioctl
 858 *
 859 * @rdev: radeon_device pointer
 860 * @reg: register offset in bytes
 861 * @val: register value
 862 *
 863 * Returns 0 for success or -EINVAL for an invalid register
 864 *
 865 */
 866int cayman_get_allowed_info_register(struct radeon_device *rdev,
 867				     u32 reg, u32 *val)
 868{
 869	switch (reg) {
 870	case GRBM_STATUS:
 871	case GRBM_STATUS_SE0:
 872	case GRBM_STATUS_SE1:
 873	case SRBM_STATUS:
 874	case SRBM_STATUS2:
 875	case (DMA_STATUS_REG + DMA0_REGISTER_OFFSET):
 876	case (DMA_STATUS_REG + DMA1_REGISTER_OFFSET):
 877	case UVD_STATUS:
 878		*val = RREG32(reg);
 879		return 0;
 880	default:
 881		return -EINVAL;
 882	}
 883}
 884
 885int tn_get_temp(struct radeon_device *rdev)
 886{
 887	u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff;
 888	int actual_temp = (temp / 8) - 49;
 889
 890	return actual_temp * 1000;
 891}
 892
 893/*
 894 * Core functions
 895 */
 896static void cayman_gpu_init(struct radeon_device *rdev)
 897{
 898	u32 gb_addr_config = 0;
 899	u32 mc_shared_chmap, mc_arb_ramcfg;
 900	u32 cgts_tcc_disable;
 901	u32 sx_debug_1;
 902	u32 smx_dc_ctl0;
 903	u32 cgts_sm_ctrl_reg;
 904	u32 hdp_host_path_cntl;
 905	u32 tmp;
 906	u32 disabled_rb_mask;
 907	int i, j;
 908
 909	switch (rdev->family) {
 910	case CHIP_CAYMAN:
 911		rdev->config.cayman.max_shader_engines = 2;
 912		rdev->config.cayman.max_pipes_per_simd = 4;
 913		rdev->config.cayman.max_tile_pipes = 8;
 914		rdev->config.cayman.max_simds_per_se = 12;
 915		rdev->config.cayman.max_backends_per_se = 4;
 916		rdev->config.cayman.max_texture_channel_caches = 8;
 917		rdev->config.cayman.max_gprs = 256;
 918		rdev->config.cayman.max_threads = 256;
 919		rdev->config.cayman.max_gs_threads = 32;
 920		rdev->config.cayman.max_stack_entries = 512;
 921		rdev->config.cayman.sx_num_of_sets = 8;
 922		rdev->config.cayman.sx_max_export_size = 256;
 923		rdev->config.cayman.sx_max_export_pos_size = 64;
 924		rdev->config.cayman.sx_max_export_smx_size = 192;
 925		rdev->config.cayman.max_hw_contexts = 8;
 926		rdev->config.cayman.sq_num_cf_insts = 2;
 927
 928		rdev->config.cayman.sc_prim_fifo_size = 0x100;
 929		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
 930		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
 931		gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN;
 932		break;
 933	case CHIP_ARUBA:
 934	default:
 935		rdev->config.cayman.max_shader_engines = 1;
 936		rdev->config.cayman.max_pipes_per_simd = 4;
 937		rdev->config.cayman.max_tile_pipes = 2;
 938		if ((rdev->pdev->device == 0x9900) ||
 939		    (rdev->pdev->device == 0x9901) ||
 940		    (rdev->pdev->device == 0x9905) ||
 941		    (rdev->pdev->device == 0x9906) ||
 942		    (rdev->pdev->device == 0x9907) ||
 943		    (rdev->pdev->device == 0x9908) ||
 944		    (rdev->pdev->device == 0x9909) ||
 945		    (rdev->pdev->device == 0x990B) ||
 946		    (rdev->pdev->device == 0x990C) ||
 947		    (rdev->pdev->device == 0x990F) ||
 948		    (rdev->pdev->device == 0x9910) ||
 949		    (rdev->pdev->device == 0x9917) ||
 950		    (rdev->pdev->device == 0x9999) ||
 951		    (rdev->pdev->device == 0x999C)) {
 952			rdev->config.cayman.max_simds_per_se = 6;
 953			rdev->config.cayman.max_backends_per_se = 2;
 954			rdev->config.cayman.max_hw_contexts = 8;
 955			rdev->config.cayman.sx_max_export_size = 256;
 956			rdev->config.cayman.sx_max_export_pos_size = 64;
 957			rdev->config.cayman.sx_max_export_smx_size = 192;
 958		} else if ((rdev->pdev->device == 0x9903) ||
 959			   (rdev->pdev->device == 0x9904) ||
 960			   (rdev->pdev->device == 0x990A) ||
 961			   (rdev->pdev->device == 0x990D) ||
 962			   (rdev->pdev->device == 0x990E) ||
 963			   (rdev->pdev->device == 0x9913) ||
 964			   (rdev->pdev->device == 0x9918) ||
 965			   (rdev->pdev->device == 0x999D)) {
 966			rdev->config.cayman.max_simds_per_se = 4;
 967			rdev->config.cayman.max_backends_per_se = 2;
 968			rdev->config.cayman.max_hw_contexts = 8;
 969			rdev->config.cayman.sx_max_export_size = 256;
 970			rdev->config.cayman.sx_max_export_pos_size = 64;
 971			rdev->config.cayman.sx_max_export_smx_size = 192;
 972		} else if ((rdev->pdev->device == 0x9919) ||
 973			   (rdev->pdev->device == 0x9990) ||
 974			   (rdev->pdev->device == 0x9991) ||
 975			   (rdev->pdev->device == 0x9994) ||
 976			   (rdev->pdev->device == 0x9995) ||
 977			   (rdev->pdev->device == 0x9996) ||
 978			   (rdev->pdev->device == 0x999A) ||
 979			   (rdev->pdev->device == 0x99A0)) {
 980			rdev->config.cayman.max_simds_per_se = 3;
 981			rdev->config.cayman.max_backends_per_se = 1;
 982			rdev->config.cayman.max_hw_contexts = 4;
 983			rdev->config.cayman.sx_max_export_size = 128;
 984			rdev->config.cayman.sx_max_export_pos_size = 32;
 985			rdev->config.cayman.sx_max_export_smx_size = 96;
 986		} else {
 987			rdev->config.cayman.max_simds_per_se = 2;
 988			rdev->config.cayman.max_backends_per_se = 1;
 989			rdev->config.cayman.max_hw_contexts = 4;
 990			rdev->config.cayman.sx_max_export_size = 128;
 991			rdev->config.cayman.sx_max_export_pos_size = 32;
 992			rdev->config.cayman.sx_max_export_smx_size = 96;
 993		}
 994		rdev->config.cayman.max_texture_channel_caches = 2;
 995		rdev->config.cayman.max_gprs = 256;
 996		rdev->config.cayman.max_threads = 256;
 997		rdev->config.cayman.max_gs_threads = 32;
 998		rdev->config.cayman.max_stack_entries = 512;
 999		rdev->config.cayman.sx_num_of_sets = 8;
1000		rdev->config.cayman.sq_num_cf_insts = 2;
1001
1002		rdev->config.cayman.sc_prim_fifo_size = 0x40;
1003		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
1004		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
1005		gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN;
1006		break;
1007	}
1008
1009	/* Initialize HDP */
1010	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1011		WREG32((0x2c14 + j), 0x00000000);
1012		WREG32((0x2c18 + j), 0x00000000);
1013		WREG32((0x2c1c + j), 0x00000000);
1014		WREG32((0x2c20 + j), 0x00000000);
1015		WREG32((0x2c24 + j), 0x00000000);
1016	}
1017
1018	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1019	WREG32(SRBM_INT_CNTL, 0x1);
1020	WREG32(SRBM_INT_ACK, 0x1);
1021
1022	evergreen_fix_pci_max_read_req_size(rdev);
1023
1024	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
1025	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1026
1027	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
1028	rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
1029	if (rdev->config.cayman.mem_row_size_in_kb > 4)
1030		rdev->config.cayman.mem_row_size_in_kb = 4;
1031	/* XXX use MC settings? */
1032	rdev->config.cayman.shader_engine_tile_size = 32;
1033	rdev->config.cayman.num_gpus = 1;
1034	rdev->config.cayman.multi_gpu_tile_size = 64;
1035
1036	tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
1037	rdev->config.cayman.num_tile_pipes = (1 << tmp);
1038	tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
1039	rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
1040	tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
1041	rdev->config.cayman.num_shader_engines = tmp + 1;
1042	tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
1043	rdev->config.cayman.num_gpus = tmp + 1;
1044	tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
1045	rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
1046	tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
1047	rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
1048
1049
1050	/* setup tiling info dword.  gb_addr_config is not adequate since it does
1051	 * not have bank info, so create a custom tiling dword.
1052	 * bits 3:0   num_pipes
1053	 * bits 7:4   num_banks
1054	 * bits 11:8  group_size
1055	 * bits 15:12 row_size
1056	 */
1057	rdev->config.cayman.tile_config = 0;
1058	switch (rdev->config.cayman.num_tile_pipes) {
1059	case 1:
1060	default:
1061		rdev->config.cayman.tile_config |= (0 << 0);
1062		break;
1063	case 2:
1064		rdev->config.cayman.tile_config |= (1 << 0);
1065		break;
1066	case 4:
1067		rdev->config.cayman.tile_config |= (2 << 0);
1068		break;
1069	case 8:
1070		rdev->config.cayman.tile_config |= (3 << 0);
1071		break;
1072	}
1073
1074	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
1075	if (rdev->flags & RADEON_IS_IGP)
1076		rdev->config.cayman.tile_config |= 1 << 4;
1077	else {
1078		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
1079		case 0: /* four banks */
1080			rdev->config.cayman.tile_config |= 0 << 4;
1081			break;
1082		case 1: /* eight banks */
1083			rdev->config.cayman.tile_config |= 1 << 4;
1084			break;
1085		case 2: /* sixteen banks */
1086		default:
1087			rdev->config.cayman.tile_config |= 2 << 4;
1088			break;
1089		}
1090	}
1091	rdev->config.cayman.tile_config |=
1092		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
1093	rdev->config.cayman.tile_config |=
1094		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
1095
1096	tmp = 0;
1097	for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
1098		u32 rb_disable_bitmap;
1099
1100		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1101		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1102		rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
1103		tmp <<= 4;
1104		tmp |= rb_disable_bitmap;
1105	}
1106	/* enabled rb are just the one not disabled :) */
1107	disabled_rb_mask = tmp;
1108	tmp = 0;
1109	for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1110		tmp |= (1 << i);
1111	/* if all the backends are disabled, fix it up here */
1112	if ((disabled_rb_mask & tmp) == tmp) {
1113		for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1114			disabled_rb_mask &= ~(1 << i);
1115	}
1116
1117	for (i = 0; i < rdev->config.cayman.max_shader_engines; i++) {
1118		u32 simd_disable_bitmap;
1119
1120		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1121		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1122		simd_disable_bitmap = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
1123		simd_disable_bitmap |= 0xffffffff << rdev->config.cayman.max_simds_per_se;
1124		tmp <<= 16;
1125		tmp |= simd_disable_bitmap;
1126	}
1127	rdev->config.cayman.active_simds = hweight32(~tmp);
1128
1129	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1130	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1131
1132	WREG32(GB_ADDR_CONFIG, gb_addr_config);
1133	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1134	if (ASIC_IS_DCE6(rdev))
1135		WREG32(DMIF_ADDR_CALC, gb_addr_config);
1136	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1137	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
1138	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
1139	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
1140	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
1141	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
1142
1143	if ((rdev->config.cayman.max_backends_per_se == 1) &&
1144	    (rdev->flags & RADEON_IS_IGP)) {
1145		if ((disabled_rb_mask & 3) == 2) {
1146			/* RB1 disabled, RB0 enabled */
1147			tmp = 0x00000000;
1148		} else {
1149			/* RB0 disabled, RB1 enabled */
1150			tmp = 0x11111111;
1151		}
1152	} else {
1153		tmp = gb_addr_config & NUM_PIPES_MASK;
1154		tmp = r6xx_remap_render_backend(rdev, tmp,
1155						rdev->config.cayman.max_backends_per_se *
1156						rdev->config.cayman.max_shader_engines,
1157						CAYMAN_MAX_BACKENDS, disabled_rb_mask);
1158	}
 
1159	WREG32(GB_BACKEND_MAP, tmp);
1160
1161	cgts_tcc_disable = 0xffff0000;
1162	for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
1163		cgts_tcc_disable &= ~(1 << (16 + i));
1164	WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
1165	WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
1166	WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
1167	WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
1168
1169	/* reprogram the shader complex */
1170	cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
1171	for (i = 0; i < 16; i++)
1172		WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
1173	WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
1174
1175	/* set HW defaults for 3D engine */
1176	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
1177
1178	sx_debug_1 = RREG32(SX_DEBUG_1);
1179	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1180	WREG32(SX_DEBUG_1, sx_debug_1);
1181
1182	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1183	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1184	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
1185	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1186
1187	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
1188
1189	/* need to be explicitly zero-ed */
1190	WREG32(VGT_OFFCHIP_LDS_BASE, 0);
1191	WREG32(SQ_LSTMP_RING_BASE, 0);
1192	WREG32(SQ_HSTMP_RING_BASE, 0);
1193	WREG32(SQ_ESTMP_RING_BASE, 0);
1194	WREG32(SQ_GSTMP_RING_BASE, 0);
1195	WREG32(SQ_VSTMP_RING_BASE, 0);
1196	WREG32(SQ_PSTMP_RING_BASE, 0);
1197
1198	WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
1199
1200	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
1201					POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
1202					SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
1203
1204	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
1205				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
1206				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
1207
1208
1209	WREG32(VGT_NUM_INSTANCES, 1);
1210
1211	WREG32(CP_PERFMON_CNTL, 0);
1212
1213	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
1214				  FETCH_FIFO_HIWATER(0x4) |
1215				  DONE_FIFO_HIWATER(0xe0) |
1216				  ALU_UPDATE_FIFO_HIWATER(0x8)));
1217
1218	WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
1219	WREG32(SQ_CONFIG, (VC_ENABLE |
1220			   EXPORT_SRC_C |
1221			   GFX_PRIO(0) |
1222			   CS1_PRIO(0) |
1223			   CS2_PRIO(1)));
1224	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
1225
1226	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1227					  FORCE_EOV_MAX_REZ_CNT(255)));
1228
1229	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
1230	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
1231
1232	WREG32(VGT_GS_VERTEX_REUSE, 16);
1233	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1234
1235	WREG32(CB_PERF_CTR0_SEL_0, 0);
1236	WREG32(CB_PERF_CTR0_SEL_1, 0);
1237	WREG32(CB_PERF_CTR1_SEL_0, 0);
1238	WREG32(CB_PERF_CTR1_SEL_1, 0);
1239	WREG32(CB_PERF_CTR2_SEL_0, 0);
1240	WREG32(CB_PERF_CTR2_SEL_1, 0);
1241	WREG32(CB_PERF_CTR3_SEL_0, 0);
1242	WREG32(CB_PERF_CTR3_SEL_1, 0);
1243
1244	tmp = RREG32(HDP_MISC_CNTL);
1245	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
1246	WREG32(HDP_MISC_CNTL, tmp);
1247
1248	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1249	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1250
1251	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1252
1253	udelay(50);
1254
1255	/* set clockgating golden values on TN */
1256	if (rdev->family == CHIP_ARUBA) {
1257		tmp = RREG32_CG(CG_CGTT_LOCAL_0);
1258		tmp &= ~0x00380000;
1259		WREG32_CG(CG_CGTT_LOCAL_0, tmp);
1260		tmp = RREG32_CG(CG_CGTT_LOCAL_1);
1261		tmp &= ~0x0e000000;
1262		WREG32_CG(CG_CGTT_LOCAL_1, tmp);
1263	}
1264}
1265
1266/*
1267 * GART
1268 */
1269void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
1270{
1271	/* flush hdp cache */
1272	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1273
1274	/* bits 0-7 are the VM contexts0-7 */
1275	WREG32(VM_INVALIDATE_REQUEST, 1);
1276}
1277
1278static int cayman_pcie_gart_enable(struct radeon_device *rdev)
1279{
1280	int i, r;
1281
1282	if (rdev->gart.robj == NULL) {
1283		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1284		return -EINVAL;
1285	}
1286	r = radeon_gart_table_vram_pin(rdev);
1287	if (r)
1288		return r;
1289	/* Setup TLB control */
1290	WREG32(MC_VM_MX_L1_TLB_CNTL,
1291	       (0xA << 7) |
1292	       ENABLE_L1_TLB |
1293	       ENABLE_L1_FRAGMENT_PROCESSING |
1294	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1295	       ENABLE_ADVANCED_DRIVER_MODEL |
1296	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1297	/* Setup L2 cache */
1298	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
1299	       ENABLE_L2_FRAGMENT_PROCESSING |
1300	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1301	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1302	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1303	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1304	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
1305	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1306	       BANK_SELECT(6) |
1307	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1308	/* setup context0 */
1309	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1310	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1311	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1312	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1313			(u32)(rdev->dummy_page.addr >> 12));
1314	WREG32(VM_CONTEXT0_CNTL2, 0);
1315	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1316				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1317
1318	WREG32(0x15D4, 0);
1319	WREG32(0x15D8, 0);
1320	WREG32(0x15DC, 0);
1321
1322	/* empty context1-7 */
1323	/* Assign the pt base to something valid for now; the pts used for
1324	 * the VMs are determined by the application and setup and assigned
1325	 * on the fly in the vm part of radeon_gart.c
1326	 */
1327	for (i = 1; i < 8; i++) {
1328		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
1329		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2),
1330			rdev->vm_manager.max_pfn - 1);
1331		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
1332		       rdev->vm_manager.saved_table_addr[i]);
1333	}
1334
1335	/* enable context1-7 */
1336	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
1337	       (u32)(rdev->dummy_page.addr >> 12));
1338	WREG32(VM_CONTEXT1_CNTL2, 4);
1339	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
1340				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
1341				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1342				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1343				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1344				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1345				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
1346				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
1347				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
1348				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
1349				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
1350				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
1351				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1352				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
1353
1354	cayman_pcie_gart_tlb_flush(rdev);
1355	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1356		 (unsigned)(rdev->mc.gtt_size >> 20),
1357		 (unsigned long long)rdev->gart.table_addr);
1358	rdev->gart.ready = true;
1359	return 0;
1360}
1361
1362static void cayman_pcie_gart_disable(struct radeon_device *rdev)
1363{
1364	unsigned i;
1365
1366	for (i = 1; i < 8; ++i) {
1367		rdev->vm_manager.saved_table_addr[i] = RREG32(
1368			VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2));
1369	}
1370
1371	/* Disable all tables */
1372	WREG32(VM_CONTEXT0_CNTL, 0);
1373	WREG32(VM_CONTEXT1_CNTL, 0);
1374	/* Setup TLB control */
1375	WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1376	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1377	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1378	/* Setup L2 cache */
1379	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1380	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1381	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1382	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1383	WREG32(VM_L2_CNTL2, 0);
1384	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1385	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1386	radeon_gart_table_vram_unpin(rdev);
1387}
1388
1389static void cayman_pcie_gart_fini(struct radeon_device *rdev)
1390{
1391	cayman_pcie_gart_disable(rdev);
1392	radeon_gart_table_vram_free(rdev);
1393	radeon_gart_fini(rdev);
1394}
1395
1396void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
1397			      int ring, u32 cp_int_cntl)
1398{
1399	u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3;
1400
1401	WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3));
1402	WREG32(CP_INT_CNTL, cp_int_cntl);
1403}
1404
1405/*
1406 * CP.
1407 */
1408void cayman_fence_ring_emit(struct radeon_device *rdev,
1409			    struct radeon_fence *fence)
1410{
1411	struct radeon_ring *ring = &rdev->ring[fence->ring];
1412	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
1413	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1414		PACKET3_SH_ACTION_ENA;
1415
1416	/* flush read cache over gart for this vmid */
1417	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1418	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1419	radeon_ring_write(ring, 0xFFFFFFFF);
1420	radeon_ring_write(ring, 0);
1421	radeon_ring_write(ring, 10); /* poll interval */
1422	/* EVENT_WRITE_EOP - flush caches, send int */
1423	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1424	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1425	radeon_ring_write(ring, lower_32_bits(addr));
1426	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1427	radeon_ring_write(ring, fence->seq);
1428	radeon_ring_write(ring, 0);
1429}
1430
1431void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1432{
1433	struct radeon_ring *ring = &rdev->ring[ib->ring];
1434	unsigned vm_id = ib->vm ? ib->vm->ids[ib->ring].id : 0;
1435	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1436		PACKET3_SH_ACTION_ENA;
1437
1438	/* set to DX10/11 mode */
1439	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1440	radeon_ring_write(ring, 1);
1441
1442	if (ring->rptr_save_reg) {
1443		uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
1444		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1445		radeon_ring_write(ring, ((ring->rptr_save_reg - 
1446					  PACKET3_SET_CONFIG_REG_START) >> 2));
1447		radeon_ring_write(ring, next_rptr);
1448	}
1449
1450	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1451	radeon_ring_write(ring,
1452#ifdef __BIG_ENDIAN
1453			  (2 << 0) |
1454#endif
1455			  (ib->gpu_addr & 0xFFFFFFFC));
1456	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1457	radeon_ring_write(ring, ib->length_dw | (vm_id << 24));
1458
1459	/* flush read cache over gart for this vmid */
1460	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1461	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1462	radeon_ring_write(ring, 0xFFFFFFFF);
1463	radeon_ring_write(ring, 0);
1464	radeon_ring_write(ring, (vm_id << 24) | 10); /* poll interval */
1465}
1466
1467static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1468{
1469	if (enable)
1470		WREG32(CP_ME_CNTL, 0);
1471	else {
1472		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1473			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1474		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1475		WREG32(SCRATCH_UMSK, 0);
1476		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1477	}
1478}
1479
1480u32 cayman_gfx_get_rptr(struct radeon_device *rdev,
1481			struct radeon_ring *ring)
1482{
1483	u32 rptr;
1484
1485	if (rdev->wb.enabled)
1486		rptr = rdev->wb.wb[ring->rptr_offs/4];
1487	else {
1488		if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1489			rptr = RREG32(CP_RB0_RPTR);
1490		else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1491			rptr = RREG32(CP_RB1_RPTR);
1492		else
1493			rptr = RREG32(CP_RB2_RPTR);
1494	}
1495
1496	return rptr;
1497}
1498
1499u32 cayman_gfx_get_wptr(struct radeon_device *rdev,
1500			struct radeon_ring *ring)
1501{
1502	u32 wptr;
1503
1504	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1505		wptr = RREG32(CP_RB0_WPTR);
1506	else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1507		wptr = RREG32(CP_RB1_WPTR);
1508	else
1509		wptr = RREG32(CP_RB2_WPTR);
1510
1511	return wptr;
1512}
1513
1514void cayman_gfx_set_wptr(struct radeon_device *rdev,
1515			 struct radeon_ring *ring)
1516{
1517	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) {
1518		WREG32(CP_RB0_WPTR, ring->wptr);
1519		(void)RREG32(CP_RB0_WPTR);
1520	} else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) {
1521		WREG32(CP_RB1_WPTR, ring->wptr);
1522		(void)RREG32(CP_RB1_WPTR);
1523	} else {
1524		WREG32(CP_RB2_WPTR, ring->wptr);
1525		(void)RREG32(CP_RB2_WPTR);
1526	}
1527}
1528
1529static int cayman_cp_load_microcode(struct radeon_device *rdev)
1530{
1531	const __be32 *fw_data;
1532	int i;
1533
1534	if (!rdev->me_fw || !rdev->pfp_fw)
1535		return -EINVAL;
1536
1537	cayman_cp_enable(rdev, false);
1538
1539	fw_data = (const __be32 *)rdev->pfp_fw->data;
1540	WREG32(CP_PFP_UCODE_ADDR, 0);
1541	for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1542		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1543	WREG32(CP_PFP_UCODE_ADDR, 0);
1544
1545	fw_data = (const __be32 *)rdev->me_fw->data;
1546	WREG32(CP_ME_RAM_WADDR, 0);
1547	for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1548		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1549
1550	WREG32(CP_PFP_UCODE_ADDR, 0);
1551	WREG32(CP_ME_RAM_WADDR, 0);
1552	WREG32(CP_ME_RAM_RADDR, 0);
1553	return 0;
1554}
1555
1556static int cayman_cp_start(struct radeon_device *rdev)
1557{
1558	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1559	int r, i;
1560
1561	r = radeon_ring_lock(rdev, ring, 7);
1562	if (r) {
1563		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1564		return r;
1565	}
1566	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1567	radeon_ring_write(ring, 0x1);
1568	radeon_ring_write(ring, 0x0);
1569	radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
1570	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1571	radeon_ring_write(ring, 0);
1572	radeon_ring_write(ring, 0);
1573	radeon_ring_unlock_commit(rdev, ring, false);
1574
1575	cayman_cp_enable(rdev, true);
1576
1577	r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
1578	if (r) {
1579		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1580		return r;
1581	}
1582
1583	/* setup clear context state */
1584	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1585	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1586
1587	for (i = 0; i < cayman_default_size; i++)
1588		radeon_ring_write(ring, cayman_default_state[i]);
1589
1590	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1591	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1592
1593	/* set clear context state */
1594	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1595	radeon_ring_write(ring, 0);
1596
1597	/* SQ_VTX_BASE_VTX_LOC */
1598	radeon_ring_write(ring, 0xc0026f00);
1599	radeon_ring_write(ring, 0x00000000);
1600	radeon_ring_write(ring, 0x00000000);
1601	radeon_ring_write(ring, 0x00000000);
1602
1603	/* Clear consts */
1604	radeon_ring_write(ring, 0xc0036f00);
1605	radeon_ring_write(ring, 0x00000bc4);
1606	radeon_ring_write(ring, 0xffffffff);
1607	radeon_ring_write(ring, 0xffffffff);
1608	radeon_ring_write(ring, 0xffffffff);
1609
1610	radeon_ring_write(ring, 0xc0026900);
1611	radeon_ring_write(ring, 0x00000316);
1612	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1613	radeon_ring_write(ring, 0x00000010); /*  */
1614
1615	radeon_ring_unlock_commit(rdev, ring, false);
1616
1617	/* XXX init other rings */
1618
1619	return 0;
1620}
1621
1622static void cayman_cp_fini(struct radeon_device *rdev)
1623{
1624	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1625	cayman_cp_enable(rdev, false);
1626	radeon_ring_fini(rdev, ring);
1627	radeon_scratch_free(rdev, ring->rptr_save_reg);
1628}
1629
1630static int cayman_cp_resume(struct radeon_device *rdev)
1631{
1632	static const int ridx[] = {
1633		RADEON_RING_TYPE_GFX_INDEX,
1634		CAYMAN_RING_TYPE_CP1_INDEX,
1635		CAYMAN_RING_TYPE_CP2_INDEX
1636	};
1637	static const unsigned cp_rb_cntl[] = {
1638		CP_RB0_CNTL,
1639		CP_RB1_CNTL,
1640		CP_RB2_CNTL,
1641	};
1642	static const unsigned cp_rb_rptr_addr[] = {
1643		CP_RB0_RPTR_ADDR,
1644		CP_RB1_RPTR_ADDR,
1645		CP_RB2_RPTR_ADDR
1646	};
1647	static const unsigned cp_rb_rptr_addr_hi[] = {
1648		CP_RB0_RPTR_ADDR_HI,
1649		CP_RB1_RPTR_ADDR_HI,
1650		CP_RB2_RPTR_ADDR_HI
1651	};
1652	static const unsigned cp_rb_base[] = {
1653		CP_RB0_BASE,
1654		CP_RB1_BASE,
1655		CP_RB2_BASE
1656	};
1657	static const unsigned cp_rb_rptr[] = {
1658		CP_RB0_RPTR,
1659		CP_RB1_RPTR,
1660		CP_RB2_RPTR
1661	};
1662	static const unsigned cp_rb_wptr[] = {
1663		CP_RB0_WPTR,
1664		CP_RB1_WPTR,
1665		CP_RB2_WPTR
1666	};
1667	struct radeon_ring *ring;
1668	int i, r;
1669
1670	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1671	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1672				 SOFT_RESET_PA |
1673				 SOFT_RESET_SH |
1674				 SOFT_RESET_VGT |
1675				 SOFT_RESET_SPI |
1676				 SOFT_RESET_SX));
1677	RREG32(GRBM_SOFT_RESET);
1678	mdelay(15);
1679	WREG32(GRBM_SOFT_RESET, 0);
1680	RREG32(GRBM_SOFT_RESET);
1681
1682	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1683	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1684
1685	/* Set the write pointer delay */
1686	WREG32(CP_RB_WPTR_DELAY, 0);
1687
1688	WREG32(CP_DEBUG, (1 << 27));
1689
1690	/* set the wb address whether it's enabled or not */
1691	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1692	WREG32(SCRATCH_UMSK, 0xff);
1693
1694	for (i = 0; i < 3; ++i) {
1695		uint32_t rb_cntl;
1696		uint64_t addr;
1697
1698		/* Set ring buffer size */
1699		ring = &rdev->ring[ridx[i]];
1700		rb_cntl = order_base_2(ring->ring_size / 8);
1701		rb_cntl |= order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8;
1702#ifdef __BIG_ENDIAN
1703		rb_cntl |= BUF_SWAP_32BIT;
1704#endif
1705		WREG32(cp_rb_cntl[i], rb_cntl);
1706
1707		/* set the wb address whether it's enabled or not */
1708		addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1709		WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1710		WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1711	}
1712
1713	/* set the rb base addr, this causes an internal reset of ALL rings */
1714	for (i = 0; i < 3; ++i) {
1715		ring = &rdev->ring[ridx[i]];
1716		WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1717	}
1718
1719	for (i = 0; i < 3; ++i) {
1720		/* Initialize the ring buffer's read and write pointers */
1721		ring = &rdev->ring[ridx[i]];
1722		WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1723
1724		ring->wptr = 0;
1725		WREG32(cp_rb_rptr[i], 0);
1726		WREG32(cp_rb_wptr[i], ring->wptr);
1727
1728		mdelay(1);
1729		WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1730	}
1731
1732	/* start the rings */
1733	cayman_cp_start(rdev);
1734	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1735	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1736	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1737	/* this only test cp0 */
1738	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1739	if (r) {
1740		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1741		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1742		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1743		return r;
1744	}
1745
1746	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1747		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1748
1749	return 0;
1750}
1751
1752u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
1753{
1754	u32 reset_mask = 0;
1755	u32 tmp;
1756
1757	/* GRBM_STATUS */
1758	tmp = RREG32(GRBM_STATUS);
1759	if (tmp & (PA_BUSY | SC_BUSY |
1760		   SH_BUSY | SX_BUSY |
1761		   TA_BUSY | VGT_BUSY |
1762		   DB_BUSY | CB_BUSY |
1763		   GDS_BUSY | SPI_BUSY |
1764		   IA_BUSY | IA_BUSY_NO_DMA))
1765		reset_mask |= RADEON_RESET_GFX;
1766
1767	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
1768		   CP_BUSY | CP_COHERENCY_BUSY))
1769		reset_mask |= RADEON_RESET_CP;
1770
1771	if (tmp & GRBM_EE_BUSY)
1772		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1773
1774	/* DMA_STATUS_REG 0 */
1775	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
1776	if (!(tmp & DMA_IDLE))
1777		reset_mask |= RADEON_RESET_DMA;
1778
1779	/* DMA_STATUS_REG 1 */
1780	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
1781	if (!(tmp & DMA_IDLE))
1782		reset_mask |= RADEON_RESET_DMA1;
1783
1784	/* SRBM_STATUS2 */
1785	tmp = RREG32(SRBM_STATUS2);
1786	if (tmp & DMA_BUSY)
1787		reset_mask |= RADEON_RESET_DMA;
1788
1789	if (tmp & DMA1_BUSY)
1790		reset_mask |= RADEON_RESET_DMA1;
1791
1792	/* SRBM_STATUS */
1793	tmp = RREG32(SRBM_STATUS);
1794	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
1795		reset_mask |= RADEON_RESET_RLC;
1796
1797	if (tmp & IH_BUSY)
1798		reset_mask |= RADEON_RESET_IH;
1799
1800	if (tmp & SEM_BUSY)
1801		reset_mask |= RADEON_RESET_SEM;
1802
1803	if (tmp & GRBM_RQ_PENDING)
1804		reset_mask |= RADEON_RESET_GRBM;
1805
1806	if (tmp & VMC_BUSY)
1807		reset_mask |= RADEON_RESET_VMC;
1808
1809	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
1810		   MCC_BUSY | MCD_BUSY))
1811		reset_mask |= RADEON_RESET_MC;
1812
1813	if (evergreen_is_display_hung(rdev))
1814		reset_mask |= RADEON_RESET_DISPLAY;
1815
1816	/* VM_L2_STATUS */
1817	tmp = RREG32(VM_L2_STATUS);
1818	if (tmp & L2_BUSY)
1819		reset_mask |= RADEON_RESET_VMC;
1820
1821	/* Skip MC reset as it's mostly likely not hung, just busy */
1822	if (reset_mask & RADEON_RESET_MC) {
1823		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1824		reset_mask &= ~RADEON_RESET_MC;
1825	}
1826
1827	return reset_mask;
1828}
1829
1830static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1831{
1832	struct evergreen_mc_save save;
1833	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1834	u32 tmp;
1835
1836	if (reset_mask == 0)
1837		return;
1838
1839	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1840
1841	evergreen_print_gpu_status_regs(rdev);
1842	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1843		 RREG32(0x14F8));
1844	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1845		 RREG32(0x14D8));
1846	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1847		 RREG32(0x14FC));
1848	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1849		 RREG32(0x14DC));
1850
1851	/* Disable CP parsing/prefetching */
1852	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1853
1854	if (reset_mask & RADEON_RESET_DMA) {
1855		/* dma0 */
1856		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1857		tmp &= ~DMA_RB_ENABLE;
1858		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
1859	}
1860
1861	if (reset_mask & RADEON_RESET_DMA1) {
1862		/* dma1 */
1863		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1864		tmp &= ~DMA_RB_ENABLE;
1865		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
1866	}
1867
1868	udelay(50);
1869
1870	evergreen_mc_stop(rdev, &save);
1871	if (evergreen_mc_wait_for_idle(rdev)) {
1872		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1873	}
1874
1875	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1876		grbm_soft_reset = SOFT_RESET_CB |
1877			SOFT_RESET_DB |
1878			SOFT_RESET_GDS |
1879			SOFT_RESET_PA |
1880			SOFT_RESET_SC |
1881			SOFT_RESET_SPI |
1882			SOFT_RESET_SH |
1883			SOFT_RESET_SX |
1884			SOFT_RESET_TC |
1885			SOFT_RESET_TA |
1886			SOFT_RESET_VGT |
1887			SOFT_RESET_IA;
1888	}
1889
1890	if (reset_mask & RADEON_RESET_CP) {
1891		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
1892
1893		srbm_soft_reset |= SOFT_RESET_GRBM;
1894	}
1895
1896	if (reset_mask & RADEON_RESET_DMA)
1897		srbm_soft_reset |= SOFT_RESET_DMA;
1898
1899	if (reset_mask & RADEON_RESET_DMA1)
1900		srbm_soft_reset |= SOFT_RESET_DMA1;
1901
1902	if (reset_mask & RADEON_RESET_DISPLAY)
1903		srbm_soft_reset |= SOFT_RESET_DC;
1904
1905	if (reset_mask & RADEON_RESET_RLC)
1906		srbm_soft_reset |= SOFT_RESET_RLC;
1907
1908	if (reset_mask & RADEON_RESET_SEM)
1909		srbm_soft_reset |= SOFT_RESET_SEM;
1910
1911	if (reset_mask & RADEON_RESET_IH)
1912		srbm_soft_reset |= SOFT_RESET_IH;
1913
1914	if (reset_mask & RADEON_RESET_GRBM)
1915		srbm_soft_reset |= SOFT_RESET_GRBM;
1916
1917	if (reset_mask & RADEON_RESET_VMC)
1918		srbm_soft_reset |= SOFT_RESET_VMC;
1919
1920	if (!(rdev->flags & RADEON_IS_IGP)) {
1921		if (reset_mask & RADEON_RESET_MC)
1922			srbm_soft_reset |= SOFT_RESET_MC;
1923	}
1924
1925	if (grbm_soft_reset) {
1926		tmp = RREG32(GRBM_SOFT_RESET);
1927		tmp |= grbm_soft_reset;
1928		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
1929		WREG32(GRBM_SOFT_RESET, tmp);
1930		tmp = RREG32(GRBM_SOFT_RESET);
1931
1932		udelay(50);
1933
1934		tmp &= ~grbm_soft_reset;
1935		WREG32(GRBM_SOFT_RESET, tmp);
1936		tmp = RREG32(GRBM_SOFT_RESET);
1937	}
1938
1939	if (srbm_soft_reset) {
1940		tmp = RREG32(SRBM_SOFT_RESET);
1941		tmp |= srbm_soft_reset;
1942		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1943		WREG32(SRBM_SOFT_RESET, tmp);
1944		tmp = RREG32(SRBM_SOFT_RESET);
1945
1946		udelay(50);
1947
1948		tmp &= ~srbm_soft_reset;
1949		WREG32(SRBM_SOFT_RESET, tmp);
1950		tmp = RREG32(SRBM_SOFT_RESET);
1951	}
1952
1953	/* Wait a little for things to settle down */
1954	udelay(50);
1955
1956	evergreen_mc_resume(rdev, &save);
1957	udelay(50);
1958
1959	evergreen_print_gpu_status_regs(rdev);
1960}
1961
1962int cayman_asic_reset(struct radeon_device *rdev)
1963{
1964	u32 reset_mask;
1965
 
 
 
 
 
1966	reset_mask = cayman_gpu_check_soft_reset(rdev);
1967
1968	if (reset_mask)
1969		r600_set_bios_scratch_engine_hung(rdev, true);
1970
1971	cayman_gpu_soft_reset(rdev, reset_mask);
1972
1973	reset_mask = cayman_gpu_check_soft_reset(rdev);
1974
1975	if (reset_mask)
1976		evergreen_gpu_pci_config_reset(rdev);
1977
1978	r600_set_bios_scratch_engine_hung(rdev, false);
1979
1980	return 0;
1981}
1982
1983/**
1984 * cayman_gfx_is_lockup - Check if the GFX engine is locked up
1985 *
1986 * @rdev: radeon_device pointer
1987 * @ring: radeon_ring structure holding ring information
1988 *
1989 * Check if the GFX engine is locked up.
1990 * Returns true if the engine appears to be locked up, false if not.
1991 */
1992bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1993{
1994	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
1995
1996	if (!(reset_mask & (RADEON_RESET_GFX |
1997			    RADEON_RESET_COMPUTE |
1998			    RADEON_RESET_CP))) {
1999		radeon_ring_lockup_update(rdev, ring);
2000		return false;
2001	}
2002	return radeon_ring_test_lockup(rdev, ring);
2003}
2004
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2005static int cayman_startup(struct radeon_device *rdev)
2006{
2007	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2008	int r;
2009
2010	/* enable pcie gen2 link */
2011	evergreen_pcie_gen2_enable(rdev);
2012	/* enable aspm */
2013	evergreen_program_aspm(rdev);
2014
2015	/* scratch needs to be initialized before MC */
2016	r = r600_vram_scratch_init(rdev);
2017	if (r)
2018		return r;
2019
2020	evergreen_mc_program(rdev);
2021
2022	if (!(rdev->flags & RADEON_IS_IGP) && !rdev->pm.dpm_enabled) {
2023		r = ni_mc_load_microcode(rdev);
2024		if (r) {
2025			DRM_ERROR("Failed to load MC firmware!\n");
2026			return r;
2027		}
2028	}
2029
2030	r = cayman_pcie_gart_enable(rdev);
2031	if (r)
2032		return r;
2033	cayman_gpu_init(rdev);
2034
2035	/* allocate rlc buffers */
2036	if (rdev->flags & RADEON_IS_IGP) {
2037		rdev->rlc.reg_list = tn_rlc_save_restore_register_list;
2038		rdev->rlc.reg_list_size =
2039			(u32)ARRAY_SIZE(tn_rlc_save_restore_register_list);
2040		rdev->rlc.cs_data = cayman_cs_data;
2041		r = sumo_rlc_init(rdev);
2042		if (r) {
2043			DRM_ERROR("Failed to init rlc BOs!\n");
2044			return r;
2045		}
2046	}
2047
2048	/* allocate wb buffer */
2049	r = radeon_wb_init(rdev);
2050	if (r)
2051		return r;
2052
2053	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
2054	if (r) {
2055		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2056		return r;
2057	}
2058
2059	r = uvd_v2_2_resume(rdev);
2060	if (!r) {
2061		r = radeon_fence_driver_start_ring(rdev,
2062						   R600_RING_TYPE_UVD_INDEX);
2063		if (r)
2064			dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
2065	}
2066	if (r)
2067		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
2068
2069	if (rdev->family == CHIP_ARUBA) {
2070		r = radeon_vce_resume(rdev);
2071		if (!r)
2072			r = vce_v1_0_resume(rdev);
2073
2074		if (!r)
2075			r = radeon_fence_driver_start_ring(rdev,
2076							   TN_RING_TYPE_VCE1_INDEX);
2077		if (!r)
2078			r = radeon_fence_driver_start_ring(rdev,
2079							   TN_RING_TYPE_VCE2_INDEX);
2080
2081		if (r) {
2082			dev_err(rdev->dev, "VCE init error (%d).\n", r);
2083			rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size = 0;
2084			rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_size = 0;
2085		}
2086	}
2087
2088	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
2089	if (r) {
2090		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2091		return r;
2092	}
2093
2094	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
2095	if (r) {
2096		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2097		return r;
2098	}
2099
2100	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
2101	if (r) {
2102		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2103		return r;
2104	}
2105
2106	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
2107	if (r) {
2108		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2109		return r;
2110	}
2111
2112	/* Enable IRQ */
2113	if (!rdev->irq.installed) {
2114		r = radeon_irq_kms_init(rdev);
2115		if (r)
2116			return r;
2117	}
2118
2119	r = r600_irq_init(rdev);
2120	if (r) {
2121		DRM_ERROR("radeon: IH init failed (%d).\n", r);
2122		radeon_irq_kms_fini(rdev);
2123		return r;
2124	}
2125	evergreen_irq_set(rdev);
2126
2127	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
2128			     RADEON_CP_PACKET2);
2129	if (r)
2130		return r;
2131
2132	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2133	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
2134			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2135	if (r)
2136		return r;
2137
2138	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2139	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
2140			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2141	if (r)
2142		return r;
2143
2144	r = cayman_cp_load_microcode(rdev);
2145	if (r)
2146		return r;
2147	r = cayman_cp_resume(rdev);
2148	if (r)
2149		return r;
2150
2151	r = cayman_dma_resume(rdev);
2152	if (r)
2153		return r;
2154
2155	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2156	if (ring->ring_size) {
2157		r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
2158				     RADEON_CP_PACKET2);
2159		if (!r)
2160			r = uvd_v1_0_init(rdev);
2161		if (r)
2162			DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
2163	}
2164
2165	if (rdev->family == CHIP_ARUBA) {
2166		ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
2167		if (ring->ring_size)
2168			r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2169
2170		ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
2171		if (ring->ring_size)
2172			r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2173
2174		if (!r)
2175			r = vce_v1_0_init(rdev);
2176		if (r)
2177			DRM_ERROR("radeon: failed initializing VCE (%d).\n", r);
2178	}
2179
2180	r = radeon_ib_pool_init(rdev);
2181	if (r) {
2182		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2183		return r;
2184	}
2185
2186	r = radeon_vm_manager_init(rdev);
2187	if (r) {
2188		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
2189		return r;
2190	}
2191
2192	r = radeon_audio_init(rdev);
2193	if (r)
2194		return r;
2195
2196	return 0;
2197}
2198
2199int cayman_resume(struct radeon_device *rdev)
2200{
2201	int r;
2202
2203	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2204	 * posting will perform necessary task to bring back GPU into good
2205	 * shape.
2206	 */
2207	/* post card */
2208	atom_asic_init(rdev->mode_info.atom_context);
2209
2210	/* init golden registers */
2211	ni_init_golden_registers(rdev);
2212
2213	if (rdev->pm.pm_method == PM_METHOD_DPM)
2214		radeon_pm_resume(rdev);
2215
2216	rdev->accel_working = true;
2217	r = cayman_startup(rdev);
2218	if (r) {
2219		DRM_ERROR("cayman startup failed on resume\n");
2220		rdev->accel_working = false;
2221		return r;
2222	}
2223	return r;
2224}
2225
2226int cayman_suspend(struct radeon_device *rdev)
2227{
2228	radeon_pm_suspend(rdev);
2229	radeon_audio_fini(rdev);
2230	radeon_vm_manager_fini(rdev);
2231	cayman_cp_enable(rdev, false);
2232	cayman_dma_stop(rdev);
2233	uvd_v1_0_fini(rdev);
2234	radeon_uvd_suspend(rdev);
 
 
2235	evergreen_irq_suspend(rdev);
2236	radeon_wb_disable(rdev);
2237	cayman_pcie_gart_disable(rdev);
2238	return 0;
2239}
2240
2241/* Plan is to move initialization in that function and use
2242 * helper function so that radeon_device_init pretty much
2243 * do nothing more than calling asic specific function. This
2244 * should also allow to remove a bunch of callback function
2245 * like vram_info.
2246 */
2247int cayman_init(struct radeon_device *rdev)
2248{
2249	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2250	int r;
2251
2252	/* Read BIOS */
2253	if (!radeon_get_bios(rdev)) {
2254		if (ASIC_IS_AVIVO(rdev))
2255			return -EINVAL;
2256	}
2257	/* Must be an ATOMBIOS */
2258	if (!rdev->is_atom_bios) {
2259		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
2260		return -EINVAL;
2261	}
2262	r = radeon_atombios_init(rdev);
2263	if (r)
2264		return r;
2265
2266	/* Post card if necessary */
2267	if (!radeon_card_posted(rdev)) {
2268		if (!rdev->bios) {
2269			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2270			return -EINVAL;
2271		}
2272		DRM_INFO("GPU not posted. posting now...\n");
2273		atom_asic_init(rdev->mode_info.atom_context);
2274	}
2275	/* init golden registers */
2276	ni_init_golden_registers(rdev);
2277	/* Initialize scratch registers */
2278	r600_scratch_init(rdev);
2279	/* Initialize surface registers */
2280	radeon_surface_init(rdev);
2281	/* Initialize clocks */
2282	radeon_get_clock_info(rdev->ddev);
2283	/* Fence driver */
2284	r = radeon_fence_driver_init(rdev);
2285	if (r)
2286		return r;
2287	/* initialize memory controller */
2288	r = evergreen_mc_init(rdev);
2289	if (r)
2290		return r;
2291	/* Memory manager */
2292	r = radeon_bo_init(rdev);
2293	if (r)
2294		return r;
2295
2296	if (rdev->flags & RADEON_IS_IGP) {
2297		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2298			r = ni_init_microcode(rdev);
2299			if (r) {
2300				DRM_ERROR("Failed to load firmware!\n");
2301				return r;
2302			}
2303		}
2304	} else {
2305		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2306			r = ni_init_microcode(rdev);
2307			if (r) {
2308				DRM_ERROR("Failed to load firmware!\n");
2309				return r;
2310			}
2311		}
2312	}
2313
2314	/* Initialize power management */
2315	radeon_pm_init(rdev);
2316
2317	ring->ring_obj = NULL;
2318	r600_ring_init(rdev, ring, 1024 * 1024);
2319
2320	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2321	ring->ring_obj = NULL;
2322	r600_ring_init(rdev, ring, 64 * 1024);
2323
2324	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2325	ring->ring_obj = NULL;
2326	r600_ring_init(rdev, ring, 64 * 1024);
2327
2328	r = radeon_uvd_init(rdev);
2329	if (!r) {
2330		ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2331		ring->ring_obj = NULL;
2332		r600_ring_init(rdev, ring, 4096);
2333	}
2334
2335	if (rdev->family == CHIP_ARUBA) {
2336		r = radeon_vce_init(rdev);
2337		if (!r) {
2338			ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
2339			ring->ring_obj = NULL;
2340			r600_ring_init(rdev, ring, 4096);
2341
2342			ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
2343			ring->ring_obj = NULL;
2344			r600_ring_init(rdev, ring, 4096);
2345		}
2346	}
2347
2348	rdev->ih.ring_obj = NULL;
2349	r600_ih_ring_init(rdev, 64 * 1024);
2350
2351	r = r600_pcie_gart_init(rdev);
2352	if (r)
2353		return r;
2354
2355	rdev->accel_working = true;
2356	r = cayman_startup(rdev);
2357	if (r) {
2358		dev_err(rdev->dev, "disabling GPU acceleration\n");
2359		cayman_cp_fini(rdev);
2360		cayman_dma_fini(rdev);
2361		r600_irq_fini(rdev);
2362		if (rdev->flags & RADEON_IS_IGP)
2363			sumo_rlc_fini(rdev);
2364		radeon_wb_fini(rdev);
2365		radeon_ib_pool_fini(rdev);
2366		radeon_vm_manager_fini(rdev);
2367		radeon_irq_kms_fini(rdev);
2368		cayman_pcie_gart_fini(rdev);
2369		rdev->accel_working = false;
2370	}
2371
2372	/* Don't start up if the MC ucode is missing.
2373	 * The default clocks and voltages before the MC ucode
2374	 * is loaded are not suffient for advanced operations.
2375	 *
2376	 * We can skip this check for TN, because there is no MC
2377	 * ucode.
2378	 */
2379	if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
2380		DRM_ERROR("radeon: MC ucode required for NI+.\n");
2381		return -EINVAL;
2382	}
2383
2384	return 0;
2385}
2386
2387void cayman_fini(struct radeon_device *rdev)
2388{
2389	radeon_pm_fini(rdev);
2390	cayman_cp_fini(rdev);
2391	cayman_dma_fini(rdev);
2392	r600_irq_fini(rdev);
2393	if (rdev->flags & RADEON_IS_IGP)
2394		sumo_rlc_fini(rdev);
2395	radeon_wb_fini(rdev);
2396	radeon_vm_manager_fini(rdev);
2397	radeon_ib_pool_fini(rdev);
2398	radeon_irq_kms_fini(rdev);
2399	uvd_v1_0_fini(rdev);
2400	radeon_uvd_fini(rdev);
2401	if (rdev->family == CHIP_ARUBA)
2402		radeon_vce_fini(rdev);
2403	cayman_pcie_gart_fini(rdev);
2404	r600_vram_scratch_fini(rdev);
2405	radeon_gem_fini(rdev);
2406	radeon_fence_driver_fini(rdev);
2407	radeon_bo_fini(rdev);
2408	radeon_atombios_fini(rdev);
2409	kfree(rdev->bios);
2410	rdev->bios = NULL;
2411}
2412
2413/*
2414 * vm
2415 */
2416int cayman_vm_init(struct radeon_device *rdev)
2417{
2418	/* number of VMs */
2419	rdev->vm_manager.nvm = 8;
2420	/* base offset of vram pages */
2421	if (rdev->flags & RADEON_IS_IGP) {
2422		u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
2423		tmp <<= 22;
2424		rdev->vm_manager.vram_base_offset = tmp;
2425	} else
2426		rdev->vm_manager.vram_base_offset = 0;
2427	return 0;
2428}
2429
2430void cayman_vm_fini(struct radeon_device *rdev)
2431{
2432}
2433
2434/**
2435 * cayman_vm_decode_fault - print human readable fault info
2436 *
2437 * @rdev: radeon_device pointer
2438 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
2439 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
2440 *
2441 * Print human readable fault information (cayman/TN).
2442 */
2443void cayman_vm_decode_fault(struct radeon_device *rdev,
2444			    u32 status, u32 addr)
2445{
2446	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
2447	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
2448	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
2449	char *block;
2450
2451	switch (mc_id) {
2452	case 32:
2453	case 16:
2454	case 96:
2455	case 80:
2456	case 160:
2457	case 144:
2458	case 224:
2459	case 208:
2460		block = "CB";
2461		break;
2462	case 33:
2463	case 17:
2464	case 97:
2465	case 81:
2466	case 161:
2467	case 145:
2468	case 225:
2469	case 209:
2470		block = "CB_FMASK";
2471		break;
2472	case 34:
2473	case 18:
2474	case 98:
2475	case 82:
2476	case 162:
2477	case 146:
2478	case 226:
2479	case 210:
2480		block = "CB_CMASK";
2481		break;
2482	case 35:
2483	case 19:
2484	case 99:
2485	case 83:
2486	case 163:
2487	case 147:
2488	case 227:
2489	case 211:
2490		block = "CB_IMMED";
2491		break;
2492	case 36:
2493	case 20:
2494	case 100:
2495	case 84:
2496	case 164:
2497	case 148:
2498	case 228:
2499	case 212:
2500		block = "DB";
2501		break;
2502	case 37:
2503	case 21:
2504	case 101:
2505	case 85:
2506	case 165:
2507	case 149:
2508	case 229:
2509	case 213:
2510		block = "DB_HTILE";
2511		break;
2512	case 38:
2513	case 22:
2514	case 102:
2515	case 86:
2516	case 166:
2517	case 150:
2518	case 230:
2519	case 214:
2520		block = "SX";
2521		break;
2522	case 39:
2523	case 23:
2524	case 103:
2525	case 87:
2526	case 167:
2527	case 151:
2528	case 231:
2529	case 215:
2530		block = "DB_STEN";
2531		break;
2532	case 40:
2533	case 24:
2534	case 104:
2535	case 88:
2536	case 232:
2537	case 216:
2538	case 168:
2539	case 152:
2540		block = "TC_TFETCH";
2541		break;
2542	case 41:
2543	case 25:
2544	case 105:
2545	case 89:
2546	case 233:
2547	case 217:
2548	case 169:
2549	case 153:
2550		block = "TC_VFETCH";
2551		break;
2552	case 42:
2553	case 26:
2554	case 106:
2555	case 90:
2556	case 234:
2557	case 218:
2558	case 170:
2559	case 154:
2560		block = "VC";
2561		break;
2562	case 112:
2563		block = "CP";
2564		break;
2565	case 113:
2566	case 114:
2567		block = "SH";
2568		break;
2569	case 115:
2570		block = "VGT";
2571		break;
2572	case 178:
2573		block = "IH";
2574		break;
2575	case 51:
2576		block = "RLC";
2577		break;
2578	case 55:
2579		block = "DMA";
2580		break;
2581	case 56:
2582		block = "HDP";
2583		break;
2584	default:
2585		block = "unknown";
2586		break;
2587	}
2588
2589	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
2590	       protections, vmid, addr,
2591	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
2592	       block, mc_id);
2593}
2594
2595/**
2596 * cayman_vm_flush - vm flush using the CP
2597 *
2598 * @rdev: radeon_device pointer
2599 *
2600 * Update the page table base and flush the VM TLB
2601 * using the CP (cayman-si).
2602 */
2603void cayman_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
2604		     unsigned vm_id, uint64_t pd_addr)
2605{
2606	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm_id << 2), 0));
2607	radeon_ring_write(ring, pd_addr >> 12);
2608
2609	/* flush hdp cache */
2610	radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
2611	radeon_ring_write(ring, 0x1);
2612
2613	/* bits 0-7 are the VM contexts0-7 */
2614	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
2615	radeon_ring_write(ring, 1 << vm_id);
2616
2617	/* wait for the invalidate to complete */
2618	radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
2619	radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) |  /* always */
2620				 WAIT_REG_MEM_ENGINE(0))); /* me */
2621	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
2622	radeon_ring_write(ring, 0);
2623	radeon_ring_write(ring, 0); /* ref */
2624	radeon_ring_write(ring, 0); /* mask */
2625	radeon_ring_write(ring, 0x20); /* poll interval */
2626
2627	/* sync PFP to ME, otherwise we might get invalid PFP reads */
2628	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2629	radeon_ring_write(ring, 0x0);
2630}
2631
2632int tn_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk)
2633{
2634	struct atom_clock_dividers dividers;
2635	int r, i;
2636
2637	r = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
2638					   ecclk, false, &dividers);
2639	if (r)
2640		return r;
2641
2642	for (i = 0; i < 100; i++) {
2643		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2644			break;
2645		mdelay(10);
2646	}
2647	if (i == 100)
2648		return -ETIMEDOUT;
2649
2650	WREG32_P(CG_ECLK_CNTL, dividers.post_div, ~(ECLK_DIR_CNTL_EN|ECLK_DIVIDER_MASK));
2651
2652	for (i = 0; i < 100; i++) {
2653		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2654			break;
2655		mdelay(10);
2656	}
2657	if (i == 100)
2658		return -ETIMEDOUT;
2659
2660	return 0;
2661}
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/module.h>
  27#include <linux/pci.h>
  28#include <linux/slab.h>
  29
 
  30#include <drm/radeon_drm.h>
  31
  32#include "atom.h"
 
  33#include "cayman_blit_shaders.h"
 
  34#include "clearstate_cayman.h"
  35#include "evergreen.h"
  36#include "ni.h"
  37#include "ni_reg.h"
  38#include "nid.h"
  39#include "radeon.h"
  40#include "radeon_asic.h"
  41#include "radeon_audio.h"
  42#include "radeon_ucode.h"
  43
  44/*
  45 * Indirect registers accessor
  46 */
  47u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg)
  48{
  49	unsigned long flags;
  50	u32 r;
  51
  52	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
  53	WREG32(TN_SMC_IND_INDEX_0, (reg));
  54	r = RREG32(TN_SMC_IND_DATA_0);
  55	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
  56	return r;
  57}
  58
  59void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
  60{
  61	unsigned long flags;
  62
  63	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
  64	WREG32(TN_SMC_IND_INDEX_0, (reg));
  65	WREG32(TN_SMC_IND_DATA_0, (v));
  66	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
  67}
  68
  69static const u32 tn_rlc_save_restore_register_list[] =
  70{
  71	0x98fc,
  72	0x98f0,
  73	0x9834,
  74	0x9838,
  75	0x9870,
  76	0x9874,
  77	0x8a14,
  78	0x8b24,
  79	0x8bcc,
  80	0x8b10,
  81	0x8c30,
  82	0x8d00,
  83	0x8d04,
  84	0x8c00,
  85	0x8c04,
  86	0x8c10,
  87	0x8c14,
  88	0x8d8c,
  89	0x8cf0,
  90	0x8e38,
  91	0x9508,
  92	0x9688,
  93	0x9608,
  94	0x960c,
  95	0x9610,
  96	0x9614,
  97	0x88c4,
  98	0x8978,
  99	0x88d4,
 100	0x900c,
 101	0x9100,
 102	0x913c,
 103	0x90e8,
 104	0x9354,
 105	0xa008,
 106	0x98f8,
 107	0x9148,
 108	0x914c,
 109	0x3f94,
 110	0x98f4,
 111	0x9b7c,
 112	0x3f8c,
 113	0x8950,
 114	0x8954,
 115	0x8a18,
 116	0x8b28,
 117	0x9144,
 118	0x3f90,
 119	0x915c,
 120	0x9160,
 121	0x9178,
 122	0x917c,
 123	0x9180,
 124	0x918c,
 125	0x9190,
 126	0x9194,
 127	0x9198,
 128	0x919c,
 129	0x91a8,
 130	0x91ac,
 131	0x91b0,
 132	0x91b4,
 133	0x91b8,
 134	0x91c4,
 135	0x91c8,
 136	0x91cc,
 137	0x91d0,
 138	0x91d4,
 139	0x91e0,
 140	0x91e4,
 141	0x91ec,
 142	0x91f0,
 143	0x91f4,
 144	0x9200,
 145	0x9204,
 146	0x929c,
 147	0x8030,
 148	0x9150,
 149	0x9a60,
 150	0x920c,
 151	0x9210,
 152	0x9228,
 153	0x922c,
 154	0x9244,
 155	0x9248,
 156	0x91e8,
 157	0x9294,
 158	0x9208,
 159	0x9224,
 160	0x9240,
 161	0x9220,
 162	0x923c,
 163	0x9258,
 164	0x9744,
 165	0xa200,
 166	0xa204,
 167	0xa208,
 168	0xa20c,
 169	0x8d58,
 170	0x9030,
 171	0x9034,
 172	0x9038,
 173	0x903c,
 174	0x9040,
 175	0x9654,
 176	0x897c,
 177	0xa210,
 178	0xa214,
 179	0x9868,
 180	0xa02c,
 181	0x9664,
 182	0x9698,
 183	0x949c,
 184	0x8e10,
 185	0x8e18,
 186	0x8c50,
 187	0x8c58,
 188	0x8c60,
 189	0x8c68,
 190	0x89b4,
 191	0x9830,
 192	0x802c,
 193};
 194
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 195/* Firmware Names */
 196MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
 197MODULE_FIRMWARE("radeon/BARTS_me.bin");
 198MODULE_FIRMWARE("radeon/BARTS_mc.bin");
 199MODULE_FIRMWARE("radeon/BARTS_smc.bin");
 200MODULE_FIRMWARE("radeon/BTC_rlc.bin");
 201MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
 202MODULE_FIRMWARE("radeon/TURKS_me.bin");
 203MODULE_FIRMWARE("radeon/TURKS_mc.bin");
 204MODULE_FIRMWARE("radeon/TURKS_smc.bin");
 205MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
 206MODULE_FIRMWARE("radeon/CAICOS_me.bin");
 207MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
 208MODULE_FIRMWARE("radeon/CAICOS_smc.bin");
 209MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
 210MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
 211MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
 212MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
 213MODULE_FIRMWARE("radeon/CAYMAN_smc.bin");
 214MODULE_FIRMWARE("radeon/ARUBA_pfp.bin");
 215MODULE_FIRMWARE("radeon/ARUBA_me.bin");
 216MODULE_FIRMWARE("radeon/ARUBA_rlc.bin");
 217
 218
 219static const u32 cayman_golden_registers2[] =
 220{
 221	0x3e5c, 0xffffffff, 0x00000000,
 222	0x3e48, 0xffffffff, 0x00000000,
 223	0x3e4c, 0xffffffff, 0x00000000,
 224	0x3e64, 0xffffffff, 0x00000000,
 225	0x3e50, 0xffffffff, 0x00000000,
 226	0x3e60, 0xffffffff, 0x00000000
 227};
 228
 229static const u32 cayman_golden_registers[] =
 230{
 231	0x5eb4, 0xffffffff, 0x00000002,
 232	0x5e78, 0x8f311ff1, 0x001000f0,
 233	0x3f90, 0xffff0000, 0xff000000,
 234	0x9148, 0xffff0000, 0xff000000,
 235	0x3f94, 0xffff0000, 0xff000000,
 236	0x914c, 0xffff0000, 0xff000000,
 237	0xc78, 0x00000080, 0x00000080,
 238	0xbd4, 0x70073777, 0x00011003,
 239	0xd02c, 0xbfffff1f, 0x08421000,
 240	0xd0b8, 0x73773777, 0x02011003,
 241	0x5bc0, 0x00200000, 0x50100000,
 242	0x98f8, 0x33773777, 0x02011003,
 243	0x98fc, 0xffffffff, 0x76541032,
 244	0x7030, 0x31000311, 0x00000011,
 245	0x2f48, 0x33773777, 0x42010001,
 246	0x6b28, 0x00000010, 0x00000012,
 247	0x7728, 0x00000010, 0x00000012,
 248	0x10328, 0x00000010, 0x00000012,
 249	0x10f28, 0x00000010, 0x00000012,
 250	0x11b28, 0x00000010, 0x00000012,
 251	0x12728, 0x00000010, 0x00000012,
 252	0x240c, 0x000007ff, 0x00000000,
 253	0x8a14, 0xf000001f, 0x00000007,
 254	0x8b24, 0x3fff3fff, 0x00ff0fff,
 255	0x8b10, 0x0000ff0f, 0x00000000,
 256	0x28a4c, 0x07ffffff, 0x06000000,
 257	0x10c, 0x00000001, 0x00010003,
 258	0xa02c, 0xffffffff, 0x0000009b,
 259	0x913c, 0x0000010f, 0x01000100,
 260	0x8c04, 0xf8ff00ff, 0x40600060,
 261	0x28350, 0x00000f01, 0x00000000,
 262	0x9508, 0x3700001f, 0x00000002,
 263	0x960c, 0xffffffff, 0x54763210,
 264	0x88c4, 0x001f3ae3, 0x00000082,
 265	0x88d0, 0xffffffff, 0x0f40df40,
 266	0x88d4, 0x0000001f, 0x00000010,
 267	0x8974, 0xffffffff, 0x00000000
 268};
 269
 270static const u32 dvst_golden_registers2[] =
 271{
 272	0x8f8, 0xffffffff, 0,
 273	0x8fc, 0x00380000, 0,
 274	0x8f8, 0xffffffff, 1,
 275	0x8fc, 0x0e000000, 0
 276};
 277
 278static const u32 dvst_golden_registers[] =
 279{
 280	0x690, 0x3fff3fff, 0x20c00033,
 281	0x918c, 0x0fff0fff, 0x00010006,
 282	0x91a8, 0x0fff0fff, 0x00010006,
 283	0x9150, 0xffffdfff, 0x6e944040,
 284	0x917c, 0x0fff0fff, 0x00030002,
 285	0x9198, 0x0fff0fff, 0x00030002,
 286	0x915c, 0x0fff0fff, 0x00010000,
 287	0x3f90, 0xffff0001, 0xff000000,
 288	0x9178, 0x0fff0fff, 0x00070000,
 289	0x9194, 0x0fff0fff, 0x00070000,
 290	0x9148, 0xffff0001, 0xff000000,
 291	0x9190, 0x0fff0fff, 0x00090008,
 292	0x91ac, 0x0fff0fff, 0x00090008,
 293	0x3f94, 0xffff0000, 0xff000000,
 294	0x914c, 0xffff0000, 0xff000000,
 295	0x929c, 0x00000fff, 0x00000001,
 296	0x55e4, 0xff607fff, 0xfc000100,
 297	0x8a18, 0xff000fff, 0x00000100,
 298	0x8b28, 0xff000fff, 0x00000100,
 299	0x9144, 0xfffc0fff, 0x00000100,
 300	0x6ed8, 0x00010101, 0x00010000,
 301	0x9830, 0xffffffff, 0x00000000,
 302	0x9834, 0xf00fffff, 0x00000400,
 303	0x9838, 0xfffffffe, 0x00000000,
 304	0xd0c0, 0xff000fff, 0x00000100,
 305	0xd02c, 0xbfffff1f, 0x08421000,
 306	0xd0b8, 0x73773777, 0x12010001,
 307	0x5bb0, 0x000000f0, 0x00000070,
 308	0x98f8, 0x73773777, 0x12010001,
 309	0x98fc, 0xffffffff, 0x00000010,
 310	0x9b7c, 0x00ff0000, 0x00fc0000,
 311	0x8030, 0x00001f0f, 0x0000100a,
 312	0x2f48, 0x73773777, 0x12010001,
 313	0x2408, 0x00030000, 0x000c007f,
 314	0x8a14, 0xf000003f, 0x00000007,
 315	0x8b24, 0x3fff3fff, 0x00ff0fff,
 316	0x8b10, 0x0000ff0f, 0x00000000,
 317	0x28a4c, 0x07ffffff, 0x06000000,
 318	0x4d8, 0x00000fff, 0x00000100,
 319	0xa008, 0xffffffff, 0x00010000,
 320	0x913c, 0xffff03ff, 0x01000100,
 321	0x8c00, 0x000000ff, 0x00000003,
 322	0x8c04, 0xf8ff00ff, 0x40600060,
 323	0x8cf0, 0x1fff1fff, 0x08e00410,
 324	0x28350, 0x00000f01, 0x00000000,
 325	0x9508, 0xf700071f, 0x00000002,
 326	0x960c, 0xffffffff, 0x54763210,
 327	0x20ef8, 0x01ff01ff, 0x00000002,
 328	0x20e98, 0xfffffbff, 0x00200000,
 329	0x2015c, 0xffffffff, 0x00000f40,
 330	0x88c4, 0x001f3ae3, 0x00000082,
 331	0x8978, 0x3fffffff, 0x04050140,
 332	0x88d4, 0x0000001f, 0x00000010,
 333	0x8974, 0xffffffff, 0x00000000
 334};
 335
 336static const u32 scrapper_golden_registers[] =
 337{
 338	0x690, 0x3fff3fff, 0x20c00033,
 339	0x918c, 0x0fff0fff, 0x00010006,
 340	0x918c, 0x0fff0fff, 0x00010006,
 341	0x91a8, 0x0fff0fff, 0x00010006,
 342	0x91a8, 0x0fff0fff, 0x00010006,
 343	0x9150, 0xffffdfff, 0x6e944040,
 344	0x9150, 0xffffdfff, 0x6e944040,
 345	0x917c, 0x0fff0fff, 0x00030002,
 346	0x917c, 0x0fff0fff, 0x00030002,
 347	0x9198, 0x0fff0fff, 0x00030002,
 348	0x9198, 0x0fff0fff, 0x00030002,
 349	0x915c, 0x0fff0fff, 0x00010000,
 350	0x915c, 0x0fff0fff, 0x00010000,
 351	0x3f90, 0xffff0001, 0xff000000,
 352	0x3f90, 0xffff0001, 0xff000000,
 353	0x9178, 0x0fff0fff, 0x00070000,
 354	0x9178, 0x0fff0fff, 0x00070000,
 355	0x9194, 0x0fff0fff, 0x00070000,
 356	0x9194, 0x0fff0fff, 0x00070000,
 357	0x9148, 0xffff0001, 0xff000000,
 358	0x9148, 0xffff0001, 0xff000000,
 359	0x9190, 0x0fff0fff, 0x00090008,
 360	0x9190, 0x0fff0fff, 0x00090008,
 361	0x91ac, 0x0fff0fff, 0x00090008,
 362	0x91ac, 0x0fff0fff, 0x00090008,
 363	0x3f94, 0xffff0000, 0xff000000,
 364	0x3f94, 0xffff0000, 0xff000000,
 365	0x914c, 0xffff0000, 0xff000000,
 366	0x914c, 0xffff0000, 0xff000000,
 367	0x929c, 0x00000fff, 0x00000001,
 368	0x929c, 0x00000fff, 0x00000001,
 369	0x55e4, 0xff607fff, 0xfc000100,
 370	0x8a18, 0xff000fff, 0x00000100,
 371	0x8a18, 0xff000fff, 0x00000100,
 372	0x8b28, 0xff000fff, 0x00000100,
 373	0x8b28, 0xff000fff, 0x00000100,
 374	0x9144, 0xfffc0fff, 0x00000100,
 375	0x9144, 0xfffc0fff, 0x00000100,
 376	0x6ed8, 0x00010101, 0x00010000,
 377	0x9830, 0xffffffff, 0x00000000,
 378	0x9830, 0xffffffff, 0x00000000,
 379	0x9834, 0xf00fffff, 0x00000400,
 380	0x9834, 0xf00fffff, 0x00000400,
 381	0x9838, 0xfffffffe, 0x00000000,
 382	0x9838, 0xfffffffe, 0x00000000,
 383	0xd0c0, 0xff000fff, 0x00000100,
 384	0xd02c, 0xbfffff1f, 0x08421000,
 385	0xd02c, 0xbfffff1f, 0x08421000,
 386	0xd0b8, 0x73773777, 0x12010001,
 387	0xd0b8, 0x73773777, 0x12010001,
 388	0x5bb0, 0x000000f0, 0x00000070,
 389	0x98f8, 0x73773777, 0x12010001,
 390	0x98f8, 0x73773777, 0x12010001,
 391	0x98fc, 0xffffffff, 0x00000010,
 392	0x98fc, 0xffffffff, 0x00000010,
 393	0x9b7c, 0x00ff0000, 0x00fc0000,
 394	0x9b7c, 0x00ff0000, 0x00fc0000,
 395	0x8030, 0x00001f0f, 0x0000100a,
 396	0x8030, 0x00001f0f, 0x0000100a,
 397	0x2f48, 0x73773777, 0x12010001,
 398	0x2f48, 0x73773777, 0x12010001,
 399	0x2408, 0x00030000, 0x000c007f,
 400	0x8a14, 0xf000003f, 0x00000007,
 401	0x8a14, 0xf000003f, 0x00000007,
 402	0x8b24, 0x3fff3fff, 0x00ff0fff,
 403	0x8b24, 0x3fff3fff, 0x00ff0fff,
 404	0x8b10, 0x0000ff0f, 0x00000000,
 405	0x8b10, 0x0000ff0f, 0x00000000,
 406	0x28a4c, 0x07ffffff, 0x06000000,
 407	0x28a4c, 0x07ffffff, 0x06000000,
 408	0x4d8, 0x00000fff, 0x00000100,
 409	0x4d8, 0x00000fff, 0x00000100,
 410	0xa008, 0xffffffff, 0x00010000,
 411	0xa008, 0xffffffff, 0x00010000,
 412	0x913c, 0xffff03ff, 0x01000100,
 413	0x913c, 0xffff03ff, 0x01000100,
 414	0x90e8, 0x001fffff, 0x010400c0,
 415	0x8c00, 0x000000ff, 0x00000003,
 416	0x8c00, 0x000000ff, 0x00000003,
 417	0x8c04, 0xf8ff00ff, 0x40600060,
 418	0x8c04, 0xf8ff00ff, 0x40600060,
 419	0x8c30, 0x0000000f, 0x00040005,
 420	0x8cf0, 0x1fff1fff, 0x08e00410,
 421	0x8cf0, 0x1fff1fff, 0x08e00410,
 422	0x900c, 0x00ffffff, 0x0017071f,
 423	0x28350, 0x00000f01, 0x00000000,
 424	0x28350, 0x00000f01, 0x00000000,
 425	0x9508, 0xf700071f, 0x00000002,
 426	0x9508, 0xf700071f, 0x00000002,
 427	0x9688, 0x00300000, 0x0017000f,
 428	0x960c, 0xffffffff, 0x54763210,
 429	0x960c, 0xffffffff, 0x54763210,
 430	0x20ef8, 0x01ff01ff, 0x00000002,
 431	0x20e98, 0xfffffbff, 0x00200000,
 432	0x2015c, 0xffffffff, 0x00000f40,
 433	0x88c4, 0x001f3ae3, 0x00000082,
 434	0x88c4, 0x001f3ae3, 0x00000082,
 435	0x8978, 0x3fffffff, 0x04050140,
 436	0x8978, 0x3fffffff, 0x04050140,
 437	0x88d4, 0x0000001f, 0x00000010,
 438	0x88d4, 0x0000001f, 0x00000010,
 439	0x8974, 0xffffffff, 0x00000000,
 440	0x8974, 0xffffffff, 0x00000000
 441};
 442
 443static void ni_init_golden_registers(struct radeon_device *rdev)
 444{
 445	switch (rdev->family) {
 446	case CHIP_CAYMAN:
 447		radeon_program_register_sequence(rdev,
 448						 cayman_golden_registers,
 449						 (const u32)ARRAY_SIZE(cayman_golden_registers));
 450		radeon_program_register_sequence(rdev,
 451						 cayman_golden_registers2,
 452						 (const u32)ARRAY_SIZE(cayman_golden_registers2));
 453		break;
 454	case CHIP_ARUBA:
 455		if ((rdev->pdev->device == 0x9900) ||
 456		    (rdev->pdev->device == 0x9901) ||
 457		    (rdev->pdev->device == 0x9903) ||
 458		    (rdev->pdev->device == 0x9904) ||
 459		    (rdev->pdev->device == 0x9905) ||
 460		    (rdev->pdev->device == 0x9906) ||
 461		    (rdev->pdev->device == 0x9907) ||
 462		    (rdev->pdev->device == 0x9908) ||
 463		    (rdev->pdev->device == 0x9909) ||
 464		    (rdev->pdev->device == 0x990A) ||
 465		    (rdev->pdev->device == 0x990B) ||
 466		    (rdev->pdev->device == 0x990C) ||
 467		    (rdev->pdev->device == 0x990D) ||
 468		    (rdev->pdev->device == 0x990E) ||
 469		    (rdev->pdev->device == 0x990F) ||
 470		    (rdev->pdev->device == 0x9910) ||
 471		    (rdev->pdev->device == 0x9913) ||
 472		    (rdev->pdev->device == 0x9917) ||
 473		    (rdev->pdev->device == 0x9918)) {
 474			radeon_program_register_sequence(rdev,
 475							 dvst_golden_registers,
 476							 (const u32)ARRAY_SIZE(dvst_golden_registers));
 477			radeon_program_register_sequence(rdev,
 478							 dvst_golden_registers2,
 479							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
 480		} else {
 481			radeon_program_register_sequence(rdev,
 482							 scrapper_golden_registers,
 483							 (const u32)ARRAY_SIZE(scrapper_golden_registers));
 484			radeon_program_register_sequence(rdev,
 485							 dvst_golden_registers2,
 486							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
 487		}
 488		break;
 489	default:
 490		break;
 491	}
 492}
 493
 494#define BTC_IO_MC_REGS_SIZE 29
 495
 496static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 497	{0x00000077, 0xff010100},
 498	{0x00000078, 0x00000000},
 499	{0x00000079, 0x00001434},
 500	{0x0000007a, 0xcc08ec08},
 501	{0x0000007b, 0x00040000},
 502	{0x0000007c, 0x000080c0},
 503	{0x0000007d, 0x09000000},
 504	{0x0000007e, 0x00210404},
 505	{0x00000081, 0x08a8e800},
 506	{0x00000082, 0x00030444},
 507	{0x00000083, 0x00000000},
 508	{0x00000085, 0x00000001},
 509	{0x00000086, 0x00000002},
 510	{0x00000087, 0x48490000},
 511	{0x00000088, 0x20244647},
 512	{0x00000089, 0x00000005},
 513	{0x0000008b, 0x66030000},
 514	{0x0000008c, 0x00006603},
 515	{0x0000008d, 0x00000100},
 516	{0x0000008f, 0x00001c0a},
 517	{0x00000090, 0xff000001},
 518	{0x00000094, 0x00101101},
 519	{0x00000095, 0x00000fff},
 520	{0x00000096, 0x00116fff},
 521	{0x00000097, 0x60010000},
 522	{0x00000098, 0x10010000},
 523	{0x00000099, 0x00006000},
 524	{0x0000009a, 0x00001000},
 525	{0x0000009f, 0x00946a00}
 526};
 527
 528static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 529	{0x00000077, 0xff010100},
 530	{0x00000078, 0x00000000},
 531	{0x00000079, 0x00001434},
 532	{0x0000007a, 0xcc08ec08},
 533	{0x0000007b, 0x00040000},
 534	{0x0000007c, 0x000080c0},
 535	{0x0000007d, 0x09000000},
 536	{0x0000007e, 0x00210404},
 537	{0x00000081, 0x08a8e800},
 538	{0x00000082, 0x00030444},
 539	{0x00000083, 0x00000000},
 540	{0x00000085, 0x00000001},
 541	{0x00000086, 0x00000002},
 542	{0x00000087, 0x48490000},
 543	{0x00000088, 0x20244647},
 544	{0x00000089, 0x00000005},
 545	{0x0000008b, 0x66030000},
 546	{0x0000008c, 0x00006603},
 547	{0x0000008d, 0x00000100},
 548	{0x0000008f, 0x00001c0a},
 549	{0x00000090, 0xff000001},
 550	{0x00000094, 0x00101101},
 551	{0x00000095, 0x00000fff},
 552	{0x00000096, 0x00116fff},
 553	{0x00000097, 0x60010000},
 554	{0x00000098, 0x10010000},
 555	{0x00000099, 0x00006000},
 556	{0x0000009a, 0x00001000},
 557	{0x0000009f, 0x00936a00}
 558};
 559
 560static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 561	{0x00000077, 0xff010100},
 562	{0x00000078, 0x00000000},
 563	{0x00000079, 0x00001434},
 564	{0x0000007a, 0xcc08ec08},
 565	{0x0000007b, 0x00040000},
 566	{0x0000007c, 0x000080c0},
 567	{0x0000007d, 0x09000000},
 568	{0x0000007e, 0x00210404},
 569	{0x00000081, 0x08a8e800},
 570	{0x00000082, 0x00030444},
 571	{0x00000083, 0x00000000},
 572	{0x00000085, 0x00000001},
 573	{0x00000086, 0x00000002},
 574	{0x00000087, 0x48490000},
 575	{0x00000088, 0x20244647},
 576	{0x00000089, 0x00000005},
 577	{0x0000008b, 0x66030000},
 578	{0x0000008c, 0x00006603},
 579	{0x0000008d, 0x00000100},
 580	{0x0000008f, 0x00001c0a},
 581	{0x00000090, 0xff000001},
 582	{0x00000094, 0x00101101},
 583	{0x00000095, 0x00000fff},
 584	{0x00000096, 0x00116fff},
 585	{0x00000097, 0x60010000},
 586	{0x00000098, 0x10010000},
 587	{0x00000099, 0x00006000},
 588	{0x0000009a, 0x00001000},
 589	{0x0000009f, 0x00916a00}
 590};
 591
 592static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 593	{0x00000077, 0xff010100},
 594	{0x00000078, 0x00000000},
 595	{0x00000079, 0x00001434},
 596	{0x0000007a, 0xcc08ec08},
 597	{0x0000007b, 0x00040000},
 598	{0x0000007c, 0x000080c0},
 599	{0x0000007d, 0x09000000},
 600	{0x0000007e, 0x00210404},
 601	{0x00000081, 0x08a8e800},
 602	{0x00000082, 0x00030444},
 603	{0x00000083, 0x00000000},
 604	{0x00000085, 0x00000001},
 605	{0x00000086, 0x00000002},
 606	{0x00000087, 0x48490000},
 607	{0x00000088, 0x20244647},
 608	{0x00000089, 0x00000005},
 609	{0x0000008b, 0x66030000},
 610	{0x0000008c, 0x00006603},
 611	{0x0000008d, 0x00000100},
 612	{0x0000008f, 0x00001c0a},
 613	{0x00000090, 0xff000001},
 614	{0x00000094, 0x00101101},
 615	{0x00000095, 0x00000fff},
 616	{0x00000096, 0x00116fff},
 617	{0x00000097, 0x60010000},
 618	{0x00000098, 0x10010000},
 619	{0x00000099, 0x00006000},
 620	{0x0000009a, 0x00001000},
 621	{0x0000009f, 0x00976b00}
 622};
 623
 624int ni_mc_load_microcode(struct radeon_device *rdev)
 625{
 626	const __be32 *fw_data;
 627	u32 mem_type, running, blackout = 0;
 628	u32 *io_mc_regs;
 629	int i, ucode_size, regs_size;
 630
 631	if (!rdev->mc_fw)
 632		return -EINVAL;
 633
 634	switch (rdev->family) {
 635	case CHIP_BARTS:
 636		io_mc_regs = (u32 *)&barts_io_mc_regs;
 637		ucode_size = BTC_MC_UCODE_SIZE;
 638		regs_size = BTC_IO_MC_REGS_SIZE;
 639		break;
 640	case CHIP_TURKS:
 641		io_mc_regs = (u32 *)&turks_io_mc_regs;
 642		ucode_size = BTC_MC_UCODE_SIZE;
 643		regs_size = BTC_IO_MC_REGS_SIZE;
 644		break;
 645	case CHIP_CAICOS:
 646	default:
 647		io_mc_regs = (u32 *)&caicos_io_mc_regs;
 648		ucode_size = BTC_MC_UCODE_SIZE;
 649		regs_size = BTC_IO_MC_REGS_SIZE;
 650		break;
 651	case CHIP_CAYMAN:
 652		io_mc_regs = (u32 *)&cayman_io_mc_regs;
 653		ucode_size = CAYMAN_MC_UCODE_SIZE;
 654		regs_size = BTC_IO_MC_REGS_SIZE;
 655		break;
 656	}
 657
 658	mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
 659	running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
 660
 661	if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
 662		if (running) {
 663			blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
 664			WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
 665		}
 666
 667		/* reset the engine and set to writable */
 668		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
 669		WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
 670
 671		/* load mc io regs */
 672		for (i = 0; i < regs_size; i++) {
 673			WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
 674			WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
 675		}
 676		/* load the MC ucode */
 677		fw_data = (const __be32 *)rdev->mc_fw->data;
 678		for (i = 0; i < ucode_size; i++)
 679			WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
 680
 681		/* put the engine back into the active state */
 682		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
 683		WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
 684		WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
 685
 686		/* wait for training to complete */
 687		for (i = 0; i < rdev->usec_timeout; i++) {
 688			if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)
 689				break;
 690			udelay(1);
 691		}
 692
 693		if (running)
 694			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
 695	}
 696
 697	return 0;
 698}
 699
 700int ni_init_microcode(struct radeon_device *rdev)
 701{
 702	const char *chip_name;
 703	const char *rlc_chip_name;
 704	size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
 705	size_t smc_req_size = 0;
 706	char fw_name[30];
 707	int err;
 708
 709	DRM_DEBUG("\n");
 710
 711	switch (rdev->family) {
 712	case CHIP_BARTS:
 713		chip_name = "BARTS";
 714		rlc_chip_name = "BTC";
 715		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 716		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 717		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 718		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 719		smc_req_size = ALIGN(BARTS_SMC_UCODE_SIZE, 4);
 720		break;
 721	case CHIP_TURKS:
 722		chip_name = "TURKS";
 723		rlc_chip_name = "BTC";
 724		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 725		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 726		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 727		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 728		smc_req_size = ALIGN(TURKS_SMC_UCODE_SIZE, 4);
 729		break;
 730	case CHIP_CAICOS:
 731		chip_name = "CAICOS";
 732		rlc_chip_name = "BTC";
 733		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 734		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 735		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 736		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 737		smc_req_size = ALIGN(CAICOS_SMC_UCODE_SIZE, 4);
 738		break;
 739	case CHIP_CAYMAN:
 740		chip_name = "CAYMAN";
 741		rlc_chip_name = "CAYMAN";
 742		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
 743		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
 744		rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
 745		mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
 746		smc_req_size = ALIGN(CAYMAN_SMC_UCODE_SIZE, 4);
 747		break;
 748	case CHIP_ARUBA:
 749		chip_name = "ARUBA";
 750		rlc_chip_name = "ARUBA";
 751		/* pfp/me same size as CAYMAN */
 752		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
 753		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
 754		rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4;
 755		mc_req_size = 0;
 756		break;
 757	default: BUG();
 758	}
 759
 760	DRM_INFO("Loading %s Microcode\n", chip_name);
 761
 762	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
 763	err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
 764	if (err)
 765		goto out;
 766	if (rdev->pfp_fw->size != pfp_req_size) {
 767		pr_err("ni_cp: Bogus length %zu in firmware \"%s\"\n",
 
 768		       rdev->pfp_fw->size, fw_name);
 769		err = -EINVAL;
 770		goto out;
 771	}
 772
 773	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
 774	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
 775	if (err)
 776		goto out;
 777	if (rdev->me_fw->size != me_req_size) {
 778		pr_err("ni_cp: Bogus length %zu in firmware \"%s\"\n",
 
 779		       rdev->me_fw->size, fw_name);
 780		err = -EINVAL;
 781	}
 782
 783	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
 784	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
 785	if (err)
 786		goto out;
 787	if (rdev->rlc_fw->size != rlc_req_size) {
 788		pr_err("ni_rlc: Bogus length %zu in firmware \"%s\"\n",
 
 789		       rdev->rlc_fw->size, fw_name);
 790		err = -EINVAL;
 791	}
 792
 793	/* no MC ucode on TN */
 794	if (!(rdev->flags & RADEON_IS_IGP)) {
 795		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
 796		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
 797		if (err)
 798			goto out;
 799		if (rdev->mc_fw->size != mc_req_size) {
 800			pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n",
 
 801			       rdev->mc_fw->size, fw_name);
 802			err = -EINVAL;
 803		}
 804	}
 805
 806	if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
 807		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
 808		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
 809		if (err) {
 810			pr_err("smc: error loading firmware \"%s\"\n", fw_name);
 
 
 811			release_firmware(rdev->smc_fw);
 812			rdev->smc_fw = NULL;
 813			err = 0;
 814		} else if (rdev->smc_fw->size != smc_req_size) {
 815			pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n",
 
 816			       rdev->mc_fw->size, fw_name);
 817			err = -EINVAL;
 818		}
 819	}
 820
 821out:
 822	if (err) {
 823		if (err != -EINVAL)
 824			pr_err("ni_cp: Failed to load firmware \"%s\"\n",
 
 825			       fw_name);
 826		release_firmware(rdev->pfp_fw);
 827		rdev->pfp_fw = NULL;
 828		release_firmware(rdev->me_fw);
 829		rdev->me_fw = NULL;
 830		release_firmware(rdev->rlc_fw);
 831		rdev->rlc_fw = NULL;
 832		release_firmware(rdev->mc_fw);
 833		rdev->mc_fw = NULL;
 834	}
 835	return err;
 836}
 837
 838/**
 839 * cayman_get_allowed_info_register - fetch the register for the info ioctl
 840 *
 841 * @rdev: radeon_device pointer
 842 * @reg: register offset in bytes
 843 * @val: register value
 844 *
 845 * Returns 0 for success or -EINVAL for an invalid register
 846 *
 847 */
 848int cayman_get_allowed_info_register(struct radeon_device *rdev,
 849				     u32 reg, u32 *val)
 850{
 851	switch (reg) {
 852	case GRBM_STATUS:
 853	case GRBM_STATUS_SE0:
 854	case GRBM_STATUS_SE1:
 855	case SRBM_STATUS:
 856	case SRBM_STATUS2:
 857	case (DMA_STATUS_REG + DMA0_REGISTER_OFFSET):
 858	case (DMA_STATUS_REG + DMA1_REGISTER_OFFSET):
 859	case UVD_STATUS:
 860		*val = RREG32(reg);
 861		return 0;
 862	default:
 863		return -EINVAL;
 864	}
 865}
 866
 867int tn_get_temp(struct radeon_device *rdev)
 868{
 869	u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff;
 870	int actual_temp = (temp / 8) - 49;
 871
 872	return actual_temp * 1000;
 873}
 874
 875/*
 876 * Core functions
 877 */
 878static void cayman_gpu_init(struct radeon_device *rdev)
 879{
 880	u32 gb_addr_config = 0;
 881	u32 mc_arb_ramcfg;
 882	u32 cgts_tcc_disable;
 883	u32 sx_debug_1;
 884	u32 smx_dc_ctl0;
 885	u32 cgts_sm_ctrl_reg;
 886	u32 hdp_host_path_cntl;
 887	u32 tmp;
 888	u32 disabled_rb_mask;
 889	int i, j;
 890
 891	switch (rdev->family) {
 892	case CHIP_CAYMAN:
 893		rdev->config.cayman.max_shader_engines = 2;
 894		rdev->config.cayman.max_pipes_per_simd = 4;
 895		rdev->config.cayman.max_tile_pipes = 8;
 896		rdev->config.cayman.max_simds_per_se = 12;
 897		rdev->config.cayman.max_backends_per_se = 4;
 898		rdev->config.cayman.max_texture_channel_caches = 8;
 899		rdev->config.cayman.max_gprs = 256;
 900		rdev->config.cayman.max_threads = 256;
 901		rdev->config.cayman.max_gs_threads = 32;
 902		rdev->config.cayman.max_stack_entries = 512;
 903		rdev->config.cayman.sx_num_of_sets = 8;
 904		rdev->config.cayman.sx_max_export_size = 256;
 905		rdev->config.cayman.sx_max_export_pos_size = 64;
 906		rdev->config.cayman.sx_max_export_smx_size = 192;
 907		rdev->config.cayman.max_hw_contexts = 8;
 908		rdev->config.cayman.sq_num_cf_insts = 2;
 909
 910		rdev->config.cayman.sc_prim_fifo_size = 0x100;
 911		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
 912		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
 913		gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN;
 914		break;
 915	case CHIP_ARUBA:
 916	default:
 917		rdev->config.cayman.max_shader_engines = 1;
 918		rdev->config.cayman.max_pipes_per_simd = 4;
 919		rdev->config.cayman.max_tile_pipes = 2;
 920		if ((rdev->pdev->device == 0x9900) ||
 921		    (rdev->pdev->device == 0x9901) ||
 922		    (rdev->pdev->device == 0x9905) ||
 923		    (rdev->pdev->device == 0x9906) ||
 924		    (rdev->pdev->device == 0x9907) ||
 925		    (rdev->pdev->device == 0x9908) ||
 926		    (rdev->pdev->device == 0x9909) ||
 927		    (rdev->pdev->device == 0x990B) ||
 928		    (rdev->pdev->device == 0x990C) ||
 929		    (rdev->pdev->device == 0x990F) ||
 930		    (rdev->pdev->device == 0x9910) ||
 931		    (rdev->pdev->device == 0x9917) ||
 932		    (rdev->pdev->device == 0x9999) ||
 933		    (rdev->pdev->device == 0x999C)) {
 934			rdev->config.cayman.max_simds_per_se = 6;
 935			rdev->config.cayman.max_backends_per_se = 2;
 936			rdev->config.cayman.max_hw_contexts = 8;
 937			rdev->config.cayman.sx_max_export_size = 256;
 938			rdev->config.cayman.sx_max_export_pos_size = 64;
 939			rdev->config.cayman.sx_max_export_smx_size = 192;
 940		} else if ((rdev->pdev->device == 0x9903) ||
 941			   (rdev->pdev->device == 0x9904) ||
 942			   (rdev->pdev->device == 0x990A) ||
 943			   (rdev->pdev->device == 0x990D) ||
 944			   (rdev->pdev->device == 0x990E) ||
 945			   (rdev->pdev->device == 0x9913) ||
 946			   (rdev->pdev->device == 0x9918) ||
 947			   (rdev->pdev->device == 0x999D)) {
 948			rdev->config.cayman.max_simds_per_se = 4;
 949			rdev->config.cayman.max_backends_per_se = 2;
 950			rdev->config.cayman.max_hw_contexts = 8;
 951			rdev->config.cayman.sx_max_export_size = 256;
 952			rdev->config.cayman.sx_max_export_pos_size = 64;
 953			rdev->config.cayman.sx_max_export_smx_size = 192;
 954		} else if ((rdev->pdev->device == 0x9919) ||
 955			   (rdev->pdev->device == 0x9990) ||
 956			   (rdev->pdev->device == 0x9991) ||
 957			   (rdev->pdev->device == 0x9994) ||
 958			   (rdev->pdev->device == 0x9995) ||
 959			   (rdev->pdev->device == 0x9996) ||
 960			   (rdev->pdev->device == 0x999A) ||
 961			   (rdev->pdev->device == 0x99A0)) {
 962			rdev->config.cayman.max_simds_per_se = 3;
 963			rdev->config.cayman.max_backends_per_se = 1;
 964			rdev->config.cayman.max_hw_contexts = 4;
 965			rdev->config.cayman.sx_max_export_size = 128;
 966			rdev->config.cayman.sx_max_export_pos_size = 32;
 967			rdev->config.cayman.sx_max_export_smx_size = 96;
 968		} else {
 969			rdev->config.cayman.max_simds_per_se = 2;
 970			rdev->config.cayman.max_backends_per_se = 1;
 971			rdev->config.cayman.max_hw_contexts = 4;
 972			rdev->config.cayman.sx_max_export_size = 128;
 973			rdev->config.cayman.sx_max_export_pos_size = 32;
 974			rdev->config.cayman.sx_max_export_smx_size = 96;
 975		}
 976		rdev->config.cayman.max_texture_channel_caches = 2;
 977		rdev->config.cayman.max_gprs = 256;
 978		rdev->config.cayman.max_threads = 256;
 979		rdev->config.cayman.max_gs_threads = 32;
 980		rdev->config.cayman.max_stack_entries = 512;
 981		rdev->config.cayman.sx_num_of_sets = 8;
 982		rdev->config.cayman.sq_num_cf_insts = 2;
 983
 984		rdev->config.cayman.sc_prim_fifo_size = 0x40;
 985		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
 986		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
 987		gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN;
 988		break;
 989	}
 990
 991	/* Initialize HDP */
 992	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
 993		WREG32((0x2c14 + j), 0x00000000);
 994		WREG32((0x2c18 + j), 0x00000000);
 995		WREG32((0x2c1c + j), 0x00000000);
 996		WREG32((0x2c20 + j), 0x00000000);
 997		WREG32((0x2c24 + j), 0x00000000);
 998	}
 999
1000	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1001	WREG32(SRBM_INT_CNTL, 0x1);
1002	WREG32(SRBM_INT_ACK, 0x1);
1003
1004	evergreen_fix_pci_max_read_req_size(rdev);
1005
1006	RREG32(MC_SHARED_CHMAP);
1007	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1008
1009	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
1010	rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
1011	if (rdev->config.cayman.mem_row_size_in_kb > 4)
1012		rdev->config.cayman.mem_row_size_in_kb = 4;
1013	/* XXX use MC settings? */
1014	rdev->config.cayman.shader_engine_tile_size = 32;
1015	rdev->config.cayman.num_gpus = 1;
1016	rdev->config.cayman.multi_gpu_tile_size = 64;
1017
1018	tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
1019	rdev->config.cayman.num_tile_pipes = (1 << tmp);
1020	tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
1021	rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
1022	tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
1023	rdev->config.cayman.num_shader_engines = tmp + 1;
1024	tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
1025	rdev->config.cayman.num_gpus = tmp + 1;
1026	tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
1027	rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
1028	tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
1029	rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
1030
1031
1032	/* setup tiling info dword.  gb_addr_config is not adequate since it does
1033	 * not have bank info, so create a custom tiling dword.
1034	 * bits 3:0   num_pipes
1035	 * bits 7:4   num_banks
1036	 * bits 11:8  group_size
1037	 * bits 15:12 row_size
1038	 */
1039	rdev->config.cayman.tile_config = 0;
1040	switch (rdev->config.cayman.num_tile_pipes) {
1041	case 1:
1042	default:
1043		rdev->config.cayman.tile_config |= (0 << 0);
1044		break;
1045	case 2:
1046		rdev->config.cayman.tile_config |= (1 << 0);
1047		break;
1048	case 4:
1049		rdev->config.cayman.tile_config |= (2 << 0);
1050		break;
1051	case 8:
1052		rdev->config.cayman.tile_config |= (3 << 0);
1053		break;
1054	}
1055
1056	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
1057	if (rdev->flags & RADEON_IS_IGP)
1058		rdev->config.cayman.tile_config |= 1 << 4;
1059	else {
1060		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
1061		case 0: /* four banks */
1062			rdev->config.cayman.tile_config |= 0 << 4;
1063			break;
1064		case 1: /* eight banks */
1065			rdev->config.cayman.tile_config |= 1 << 4;
1066			break;
1067		case 2: /* sixteen banks */
1068		default:
1069			rdev->config.cayman.tile_config |= 2 << 4;
1070			break;
1071		}
1072	}
1073	rdev->config.cayman.tile_config |=
1074		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
1075	rdev->config.cayman.tile_config |=
1076		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
1077
1078	tmp = 0;
1079	for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
1080		u32 rb_disable_bitmap;
1081
1082		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1083		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1084		rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
1085		tmp <<= 4;
1086		tmp |= rb_disable_bitmap;
1087	}
1088	/* enabled rb are just the one not disabled :) */
1089	disabled_rb_mask = tmp;
1090	tmp = 0;
1091	for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1092		tmp |= (1 << i);
1093	/* if all the backends are disabled, fix it up here */
1094	if ((disabled_rb_mask & tmp) == tmp) {
1095		for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1096			disabled_rb_mask &= ~(1 << i);
1097	}
1098
1099	for (i = 0; i < rdev->config.cayman.max_shader_engines; i++) {
1100		u32 simd_disable_bitmap;
1101
1102		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1103		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1104		simd_disable_bitmap = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
1105		simd_disable_bitmap |= 0xffffffff << rdev->config.cayman.max_simds_per_se;
1106		tmp <<= 16;
1107		tmp |= simd_disable_bitmap;
1108	}
1109	rdev->config.cayman.active_simds = hweight32(~tmp);
1110
1111	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1112	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1113
1114	WREG32(GB_ADDR_CONFIG, gb_addr_config);
1115	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1116	if (ASIC_IS_DCE6(rdev))
1117		WREG32(DMIF_ADDR_CALC, gb_addr_config);
1118	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1119	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
1120	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
1121	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
1122	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
1123	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
1124
1125	if ((rdev->config.cayman.max_backends_per_se == 1) &&
1126	    (rdev->flags & RADEON_IS_IGP)) {
1127		if ((disabled_rb_mask & 3) == 2) {
1128			/* RB1 disabled, RB0 enabled */
1129			tmp = 0x00000000;
1130		} else {
1131			/* RB0 disabled, RB1 enabled */
1132			tmp = 0x11111111;
1133		}
1134	} else {
1135		tmp = gb_addr_config & NUM_PIPES_MASK;
1136		tmp = r6xx_remap_render_backend(rdev, tmp,
1137						rdev->config.cayman.max_backends_per_se *
1138						rdev->config.cayman.max_shader_engines,
1139						CAYMAN_MAX_BACKENDS, disabled_rb_mask);
1140	}
1141	rdev->config.cayman.backend_map = tmp;
1142	WREG32(GB_BACKEND_MAP, tmp);
1143
1144	cgts_tcc_disable = 0xffff0000;
1145	for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
1146		cgts_tcc_disable &= ~(1 << (16 + i));
1147	WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
1148	WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
1149	WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
1150	WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
1151
1152	/* reprogram the shader complex */
1153	cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
1154	for (i = 0; i < 16; i++)
1155		WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
1156	WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
1157
1158	/* set HW defaults for 3D engine */
1159	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
1160
1161	sx_debug_1 = RREG32(SX_DEBUG_1);
1162	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1163	WREG32(SX_DEBUG_1, sx_debug_1);
1164
1165	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1166	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1167	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
1168	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1169
1170	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
1171
1172	/* need to be explicitly zero-ed */
1173	WREG32(VGT_OFFCHIP_LDS_BASE, 0);
1174	WREG32(SQ_LSTMP_RING_BASE, 0);
1175	WREG32(SQ_HSTMP_RING_BASE, 0);
1176	WREG32(SQ_ESTMP_RING_BASE, 0);
1177	WREG32(SQ_GSTMP_RING_BASE, 0);
1178	WREG32(SQ_VSTMP_RING_BASE, 0);
1179	WREG32(SQ_PSTMP_RING_BASE, 0);
1180
1181	WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
1182
1183	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
1184					POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
1185					SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
1186
1187	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
1188				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
1189				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
1190
1191
1192	WREG32(VGT_NUM_INSTANCES, 1);
1193
1194	WREG32(CP_PERFMON_CNTL, 0);
1195
1196	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
1197				  FETCH_FIFO_HIWATER(0x4) |
1198				  DONE_FIFO_HIWATER(0xe0) |
1199				  ALU_UPDATE_FIFO_HIWATER(0x8)));
1200
1201	WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
1202	WREG32(SQ_CONFIG, (VC_ENABLE |
1203			   EXPORT_SRC_C |
1204			   GFX_PRIO(0) |
1205			   CS1_PRIO(0) |
1206			   CS2_PRIO(1)));
1207	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
1208
1209	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1210					  FORCE_EOV_MAX_REZ_CNT(255)));
1211
1212	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
1213	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
1214
1215	WREG32(VGT_GS_VERTEX_REUSE, 16);
1216	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1217
1218	WREG32(CB_PERF_CTR0_SEL_0, 0);
1219	WREG32(CB_PERF_CTR0_SEL_1, 0);
1220	WREG32(CB_PERF_CTR1_SEL_0, 0);
1221	WREG32(CB_PERF_CTR1_SEL_1, 0);
1222	WREG32(CB_PERF_CTR2_SEL_0, 0);
1223	WREG32(CB_PERF_CTR2_SEL_1, 0);
1224	WREG32(CB_PERF_CTR3_SEL_0, 0);
1225	WREG32(CB_PERF_CTR3_SEL_1, 0);
1226
1227	tmp = RREG32(HDP_MISC_CNTL);
1228	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
1229	WREG32(HDP_MISC_CNTL, tmp);
1230
1231	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1232	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1233
1234	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1235
1236	udelay(50);
1237
1238	/* set clockgating golden values on TN */
1239	if (rdev->family == CHIP_ARUBA) {
1240		tmp = RREG32_CG(CG_CGTT_LOCAL_0);
1241		tmp &= ~0x00380000;
1242		WREG32_CG(CG_CGTT_LOCAL_0, tmp);
1243		tmp = RREG32_CG(CG_CGTT_LOCAL_1);
1244		tmp &= ~0x0e000000;
1245		WREG32_CG(CG_CGTT_LOCAL_1, tmp);
1246	}
1247}
1248
1249/*
1250 * GART
1251 */
1252void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
1253{
1254	/* flush hdp cache */
1255	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1256
1257	/* bits 0-7 are the VM contexts0-7 */
1258	WREG32(VM_INVALIDATE_REQUEST, 1);
1259}
1260
1261static int cayman_pcie_gart_enable(struct radeon_device *rdev)
1262{
1263	int i, r;
1264
1265	if (rdev->gart.robj == NULL) {
1266		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1267		return -EINVAL;
1268	}
1269	r = radeon_gart_table_vram_pin(rdev);
1270	if (r)
1271		return r;
1272	/* Setup TLB control */
1273	WREG32(MC_VM_MX_L1_TLB_CNTL,
1274	       (0xA << 7) |
1275	       ENABLE_L1_TLB |
1276	       ENABLE_L1_FRAGMENT_PROCESSING |
1277	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1278	       ENABLE_ADVANCED_DRIVER_MODEL |
1279	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1280	/* Setup L2 cache */
1281	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
1282	       ENABLE_L2_FRAGMENT_PROCESSING |
1283	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1284	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1285	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1286	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1287	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
1288	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1289	       BANK_SELECT(6) |
1290	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1291	/* setup context0 */
1292	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1293	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1294	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1295	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1296			(u32)(rdev->dummy_page.addr >> 12));
1297	WREG32(VM_CONTEXT0_CNTL2, 0);
1298	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1299				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1300
1301	WREG32(0x15D4, 0);
1302	WREG32(0x15D8, 0);
1303	WREG32(0x15DC, 0);
1304
1305	/* empty context1-7 */
1306	/* Assign the pt base to something valid for now; the pts used for
1307	 * the VMs are determined by the application and setup and assigned
1308	 * on the fly in the vm part of radeon_gart.c
1309	 */
1310	for (i = 1; i < 8; i++) {
1311		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
1312		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2),
1313			rdev->vm_manager.max_pfn - 1);
1314		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
1315		       rdev->vm_manager.saved_table_addr[i]);
1316	}
1317
1318	/* enable context1-7 */
1319	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
1320	       (u32)(rdev->dummy_page.addr >> 12));
1321	WREG32(VM_CONTEXT1_CNTL2, 4);
1322	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
1323				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
1324				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1325				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1326				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1327				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1328				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
1329				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
1330				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
1331				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
1332				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
1333				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
1334				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1335				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
1336
1337	cayman_pcie_gart_tlb_flush(rdev);
1338	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1339		 (unsigned)(rdev->mc.gtt_size >> 20),
1340		 (unsigned long long)rdev->gart.table_addr);
1341	rdev->gart.ready = true;
1342	return 0;
1343}
1344
1345static void cayman_pcie_gart_disable(struct radeon_device *rdev)
1346{
1347	unsigned i;
1348
1349	for (i = 1; i < 8; ++i) {
1350		rdev->vm_manager.saved_table_addr[i] = RREG32(
1351			VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2));
1352	}
1353
1354	/* Disable all tables */
1355	WREG32(VM_CONTEXT0_CNTL, 0);
1356	WREG32(VM_CONTEXT1_CNTL, 0);
1357	/* Setup TLB control */
1358	WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1359	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1360	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1361	/* Setup L2 cache */
1362	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1363	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1364	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1365	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1366	WREG32(VM_L2_CNTL2, 0);
1367	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1368	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1369	radeon_gart_table_vram_unpin(rdev);
1370}
1371
1372static void cayman_pcie_gart_fini(struct radeon_device *rdev)
1373{
1374	cayman_pcie_gart_disable(rdev);
1375	radeon_gart_table_vram_free(rdev);
1376	radeon_gart_fini(rdev);
1377}
1378
1379void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
1380			      int ring, u32 cp_int_cntl)
1381{
1382	WREG32(SRBM_GFX_CNTL, RINGID(ring));
 
 
1383	WREG32(CP_INT_CNTL, cp_int_cntl);
1384}
1385
1386/*
1387 * CP.
1388 */
1389void cayman_fence_ring_emit(struct radeon_device *rdev,
1390			    struct radeon_fence *fence)
1391{
1392	struct radeon_ring *ring = &rdev->ring[fence->ring];
1393	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
1394	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1395		PACKET3_SH_ACTION_ENA;
1396
1397	/* flush read cache over gart for this vmid */
1398	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1399	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1400	radeon_ring_write(ring, 0xFFFFFFFF);
1401	radeon_ring_write(ring, 0);
1402	radeon_ring_write(ring, 10); /* poll interval */
1403	/* EVENT_WRITE_EOP - flush caches, send int */
1404	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1405	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1406	radeon_ring_write(ring, lower_32_bits(addr));
1407	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1408	radeon_ring_write(ring, fence->seq);
1409	radeon_ring_write(ring, 0);
1410}
1411
1412void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1413{
1414	struct radeon_ring *ring = &rdev->ring[ib->ring];
1415	unsigned vm_id = ib->vm ? ib->vm->ids[ib->ring].id : 0;
1416	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1417		PACKET3_SH_ACTION_ENA;
1418
1419	/* set to DX10/11 mode */
1420	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1421	radeon_ring_write(ring, 1);
1422
1423	if (ring->rptr_save_reg) {
1424		uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
1425		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1426		radeon_ring_write(ring, ((ring->rptr_save_reg - 
1427					  PACKET3_SET_CONFIG_REG_START) >> 2));
1428		radeon_ring_write(ring, next_rptr);
1429	}
1430
1431	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1432	radeon_ring_write(ring,
1433#ifdef __BIG_ENDIAN
1434			  (2 << 0) |
1435#endif
1436			  (ib->gpu_addr & 0xFFFFFFFC));
1437	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1438	radeon_ring_write(ring, ib->length_dw | (vm_id << 24));
1439
1440	/* flush read cache over gart for this vmid */
1441	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1442	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1443	radeon_ring_write(ring, 0xFFFFFFFF);
1444	radeon_ring_write(ring, 0);
1445	radeon_ring_write(ring, (vm_id << 24) | 10); /* poll interval */
1446}
1447
1448static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1449{
1450	if (enable)
1451		WREG32(CP_ME_CNTL, 0);
1452	else {
1453		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1454			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1455		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1456		WREG32(SCRATCH_UMSK, 0);
1457		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1458	}
1459}
1460
1461u32 cayman_gfx_get_rptr(struct radeon_device *rdev,
1462			struct radeon_ring *ring)
1463{
1464	u32 rptr;
1465
1466	if (rdev->wb.enabled)
1467		rptr = rdev->wb.wb[ring->rptr_offs/4];
1468	else {
1469		if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1470			rptr = RREG32(CP_RB0_RPTR);
1471		else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1472			rptr = RREG32(CP_RB1_RPTR);
1473		else
1474			rptr = RREG32(CP_RB2_RPTR);
1475	}
1476
1477	return rptr;
1478}
1479
1480u32 cayman_gfx_get_wptr(struct radeon_device *rdev,
1481			struct radeon_ring *ring)
1482{
1483	u32 wptr;
1484
1485	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1486		wptr = RREG32(CP_RB0_WPTR);
1487	else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1488		wptr = RREG32(CP_RB1_WPTR);
1489	else
1490		wptr = RREG32(CP_RB2_WPTR);
1491
1492	return wptr;
1493}
1494
1495void cayman_gfx_set_wptr(struct radeon_device *rdev,
1496			 struct radeon_ring *ring)
1497{
1498	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) {
1499		WREG32(CP_RB0_WPTR, ring->wptr);
1500		(void)RREG32(CP_RB0_WPTR);
1501	} else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) {
1502		WREG32(CP_RB1_WPTR, ring->wptr);
1503		(void)RREG32(CP_RB1_WPTR);
1504	} else {
1505		WREG32(CP_RB2_WPTR, ring->wptr);
1506		(void)RREG32(CP_RB2_WPTR);
1507	}
1508}
1509
1510static int cayman_cp_load_microcode(struct radeon_device *rdev)
1511{
1512	const __be32 *fw_data;
1513	int i;
1514
1515	if (!rdev->me_fw || !rdev->pfp_fw)
1516		return -EINVAL;
1517
1518	cayman_cp_enable(rdev, false);
1519
1520	fw_data = (const __be32 *)rdev->pfp_fw->data;
1521	WREG32(CP_PFP_UCODE_ADDR, 0);
1522	for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1523		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1524	WREG32(CP_PFP_UCODE_ADDR, 0);
1525
1526	fw_data = (const __be32 *)rdev->me_fw->data;
1527	WREG32(CP_ME_RAM_WADDR, 0);
1528	for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1529		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1530
1531	WREG32(CP_PFP_UCODE_ADDR, 0);
1532	WREG32(CP_ME_RAM_WADDR, 0);
1533	WREG32(CP_ME_RAM_RADDR, 0);
1534	return 0;
1535}
1536
1537static int cayman_cp_start(struct radeon_device *rdev)
1538{
1539	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1540	int r, i;
1541
1542	r = radeon_ring_lock(rdev, ring, 7);
1543	if (r) {
1544		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1545		return r;
1546	}
1547	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1548	radeon_ring_write(ring, 0x1);
1549	radeon_ring_write(ring, 0x0);
1550	radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
1551	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1552	radeon_ring_write(ring, 0);
1553	radeon_ring_write(ring, 0);
1554	radeon_ring_unlock_commit(rdev, ring, false);
1555
1556	cayman_cp_enable(rdev, true);
1557
1558	r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
1559	if (r) {
1560		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1561		return r;
1562	}
1563
1564	/* setup clear context state */
1565	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1566	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1567
1568	for (i = 0; i < cayman_default_size; i++)
1569		radeon_ring_write(ring, cayman_default_state[i]);
1570
1571	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1572	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1573
1574	/* set clear context state */
1575	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1576	radeon_ring_write(ring, 0);
1577
1578	/* SQ_VTX_BASE_VTX_LOC */
1579	radeon_ring_write(ring, 0xc0026f00);
1580	radeon_ring_write(ring, 0x00000000);
1581	radeon_ring_write(ring, 0x00000000);
1582	radeon_ring_write(ring, 0x00000000);
1583
1584	/* Clear consts */
1585	radeon_ring_write(ring, 0xc0036f00);
1586	radeon_ring_write(ring, 0x00000bc4);
1587	radeon_ring_write(ring, 0xffffffff);
1588	radeon_ring_write(ring, 0xffffffff);
1589	radeon_ring_write(ring, 0xffffffff);
1590
1591	radeon_ring_write(ring, 0xc0026900);
1592	radeon_ring_write(ring, 0x00000316);
1593	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1594	radeon_ring_write(ring, 0x00000010); /*  */
1595
1596	radeon_ring_unlock_commit(rdev, ring, false);
1597
1598	/* XXX init other rings */
1599
1600	return 0;
1601}
1602
1603static void cayman_cp_fini(struct radeon_device *rdev)
1604{
1605	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1606	cayman_cp_enable(rdev, false);
1607	radeon_ring_fini(rdev, ring);
1608	radeon_scratch_free(rdev, ring->rptr_save_reg);
1609}
1610
1611static int cayman_cp_resume(struct radeon_device *rdev)
1612{
1613	static const int ridx[] = {
1614		RADEON_RING_TYPE_GFX_INDEX,
1615		CAYMAN_RING_TYPE_CP1_INDEX,
1616		CAYMAN_RING_TYPE_CP2_INDEX
1617	};
1618	static const unsigned cp_rb_cntl[] = {
1619		CP_RB0_CNTL,
1620		CP_RB1_CNTL,
1621		CP_RB2_CNTL,
1622	};
1623	static const unsigned cp_rb_rptr_addr[] = {
1624		CP_RB0_RPTR_ADDR,
1625		CP_RB1_RPTR_ADDR,
1626		CP_RB2_RPTR_ADDR
1627	};
1628	static const unsigned cp_rb_rptr_addr_hi[] = {
1629		CP_RB0_RPTR_ADDR_HI,
1630		CP_RB1_RPTR_ADDR_HI,
1631		CP_RB2_RPTR_ADDR_HI
1632	};
1633	static const unsigned cp_rb_base[] = {
1634		CP_RB0_BASE,
1635		CP_RB1_BASE,
1636		CP_RB2_BASE
1637	};
1638	static const unsigned cp_rb_rptr[] = {
1639		CP_RB0_RPTR,
1640		CP_RB1_RPTR,
1641		CP_RB2_RPTR
1642	};
1643	static const unsigned cp_rb_wptr[] = {
1644		CP_RB0_WPTR,
1645		CP_RB1_WPTR,
1646		CP_RB2_WPTR
1647	};
1648	struct radeon_ring *ring;
1649	int i, r;
1650
1651	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1652	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1653				 SOFT_RESET_PA |
1654				 SOFT_RESET_SH |
1655				 SOFT_RESET_VGT |
1656				 SOFT_RESET_SPI |
1657				 SOFT_RESET_SX));
1658	RREG32(GRBM_SOFT_RESET);
1659	mdelay(15);
1660	WREG32(GRBM_SOFT_RESET, 0);
1661	RREG32(GRBM_SOFT_RESET);
1662
1663	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1664	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1665
1666	/* Set the write pointer delay */
1667	WREG32(CP_RB_WPTR_DELAY, 0);
1668
1669	WREG32(CP_DEBUG, (1 << 27));
1670
1671	/* set the wb address whether it's enabled or not */
1672	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1673	WREG32(SCRATCH_UMSK, 0xff);
1674
1675	for (i = 0; i < 3; ++i) {
1676		uint32_t rb_cntl;
1677		uint64_t addr;
1678
1679		/* Set ring buffer size */
1680		ring = &rdev->ring[ridx[i]];
1681		rb_cntl = order_base_2(ring->ring_size / 8);
1682		rb_cntl |= order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8;
1683#ifdef __BIG_ENDIAN
1684		rb_cntl |= BUF_SWAP_32BIT;
1685#endif
1686		WREG32(cp_rb_cntl[i], rb_cntl);
1687
1688		/* set the wb address whether it's enabled or not */
1689		addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1690		WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1691		WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1692	}
1693
1694	/* set the rb base addr, this causes an internal reset of ALL rings */
1695	for (i = 0; i < 3; ++i) {
1696		ring = &rdev->ring[ridx[i]];
1697		WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1698	}
1699
1700	for (i = 0; i < 3; ++i) {
1701		/* Initialize the ring buffer's read and write pointers */
1702		ring = &rdev->ring[ridx[i]];
1703		WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1704
1705		ring->wptr = 0;
1706		WREG32(cp_rb_rptr[i], 0);
1707		WREG32(cp_rb_wptr[i], ring->wptr);
1708
1709		mdelay(1);
1710		WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1711	}
1712
1713	/* start the rings */
1714	cayman_cp_start(rdev);
1715	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1716	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1717	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1718	/* this only test cp0 */
1719	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1720	if (r) {
1721		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1722		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1723		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1724		return r;
1725	}
1726
1727	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1728		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1729
1730	return 0;
1731}
1732
1733u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
1734{
1735	u32 reset_mask = 0;
1736	u32 tmp;
1737
1738	/* GRBM_STATUS */
1739	tmp = RREG32(GRBM_STATUS);
1740	if (tmp & (PA_BUSY | SC_BUSY |
1741		   SH_BUSY | SX_BUSY |
1742		   TA_BUSY | VGT_BUSY |
1743		   DB_BUSY | CB_BUSY |
1744		   GDS_BUSY | SPI_BUSY |
1745		   IA_BUSY | IA_BUSY_NO_DMA))
1746		reset_mask |= RADEON_RESET_GFX;
1747
1748	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
1749		   CP_BUSY | CP_COHERENCY_BUSY))
1750		reset_mask |= RADEON_RESET_CP;
1751
1752	if (tmp & GRBM_EE_BUSY)
1753		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1754
1755	/* DMA_STATUS_REG 0 */
1756	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
1757	if (!(tmp & DMA_IDLE))
1758		reset_mask |= RADEON_RESET_DMA;
1759
1760	/* DMA_STATUS_REG 1 */
1761	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
1762	if (!(tmp & DMA_IDLE))
1763		reset_mask |= RADEON_RESET_DMA1;
1764
1765	/* SRBM_STATUS2 */
1766	tmp = RREG32(SRBM_STATUS2);
1767	if (tmp & DMA_BUSY)
1768		reset_mask |= RADEON_RESET_DMA;
1769
1770	if (tmp & DMA1_BUSY)
1771		reset_mask |= RADEON_RESET_DMA1;
1772
1773	/* SRBM_STATUS */
1774	tmp = RREG32(SRBM_STATUS);
1775	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
1776		reset_mask |= RADEON_RESET_RLC;
1777
1778	if (tmp & IH_BUSY)
1779		reset_mask |= RADEON_RESET_IH;
1780
1781	if (tmp & SEM_BUSY)
1782		reset_mask |= RADEON_RESET_SEM;
1783
1784	if (tmp & GRBM_RQ_PENDING)
1785		reset_mask |= RADEON_RESET_GRBM;
1786
1787	if (tmp & VMC_BUSY)
1788		reset_mask |= RADEON_RESET_VMC;
1789
1790	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
1791		   MCC_BUSY | MCD_BUSY))
1792		reset_mask |= RADEON_RESET_MC;
1793
1794	if (evergreen_is_display_hung(rdev))
1795		reset_mask |= RADEON_RESET_DISPLAY;
1796
1797	/* VM_L2_STATUS */
1798	tmp = RREG32(VM_L2_STATUS);
1799	if (tmp & L2_BUSY)
1800		reset_mask |= RADEON_RESET_VMC;
1801
1802	/* Skip MC reset as it's mostly likely not hung, just busy */
1803	if (reset_mask & RADEON_RESET_MC) {
1804		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1805		reset_mask &= ~RADEON_RESET_MC;
1806	}
1807
1808	return reset_mask;
1809}
1810
1811static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1812{
1813	struct evergreen_mc_save save;
1814	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1815	u32 tmp;
1816
1817	if (reset_mask == 0)
1818		return;
1819
1820	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1821
1822	evergreen_print_gpu_status_regs(rdev);
1823	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1824		 RREG32(0x14F8));
1825	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1826		 RREG32(0x14D8));
1827	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1828		 RREG32(0x14FC));
1829	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1830		 RREG32(0x14DC));
1831
1832	/* Disable CP parsing/prefetching */
1833	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1834
1835	if (reset_mask & RADEON_RESET_DMA) {
1836		/* dma0 */
1837		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1838		tmp &= ~DMA_RB_ENABLE;
1839		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
1840	}
1841
1842	if (reset_mask & RADEON_RESET_DMA1) {
1843		/* dma1 */
1844		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1845		tmp &= ~DMA_RB_ENABLE;
1846		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
1847	}
1848
1849	udelay(50);
1850
1851	evergreen_mc_stop(rdev, &save);
1852	if (evergreen_mc_wait_for_idle(rdev)) {
1853		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1854	}
1855
1856	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1857		grbm_soft_reset = SOFT_RESET_CB |
1858			SOFT_RESET_DB |
1859			SOFT_RESET_GDS |
1860			SOFT_RESET_PA |
1861			SOFT_RESET_SC |
1862			SOFT_RESET_SPI |
1863			SOFT_RESET_SH |
1864			SOFT_RESET_SX |
1865			SOFT_RESET_TC |
1866			SOFT_RESET_TA |
1867			SOFT_RESET_VGT |
1868			SOFT_RESET_IA;
1869	}
1870
1871	if (reset_mask & RADEON_RESET_CP) {
1872		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
1873
1874		srbm_soft_reset |= SOFT_RESET_GRBM;
1875	}
1876
1877	if (reset_mask & RADEON_RESET_DMA)
1878		srbm_soft_reset |= SOFT_RESET_DMA;
1879
1880	if (reset_mask & RADEON_RESET_DMA1)
1881		srbm_soft_reset |= SOFT_RESET_DMA1;
1882
1883	if (reset_mask & RADEON_RESET_DISPLAY)
1884		srbm_soft_reset |= SOFT_RESET_DC;
1885
1886	if (reset_mask & RADEON_RESET_RLC)
1887		srbm_soft_reset |= SOFT_RESET_RLC;
1888
1889	if (reset_mask & RADEON_RESET_SEM)
1890		srbm_soft_reset |= SOFT_RESET_SEM;
1891
1892	if (reset_mask & RADEON_RESET_IH)
1893		srbm_soft_reset |= SOFT_RESET_IH;
1894
1895	if (reset_mask & RADEON_RESET_GRBM)
1896		srbm_soft_reset |= SOFT_RESET_GRBM;
1897
1898	if (reset_mask & RADEON_RESET_VMC)
1899		srbm_soft_reset |= SOFT_RESET_VMC;
1900
1901	if (!(rdev->flags & RADEON_IS_IGP)) {
1902		if (reset_mask & RADEON_RESET_MC)
1903			srbm_soft_reset |= SOFT_RESET_MC;
1904	}
1905
1906	if (grbm_soft_reset) {
1907		tmp = RREG32(GRBM_SOFT_RESET);
1908		tmp |= grbm_soft_reset;
1909		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
1910		WREG32(GRBM_SOFT_RESET, tmp);
1911		tmp = RREG32(GRBM_SOFT_RESET);
1912
1913		udelay(50);
1914
1915		tmp &= ~grbm_soft_reset;
1916		WREG32(GRBM_SOFT_RESET, tmp);
1917		tmp = RREG32(GRBM_SOFT_RESET);
1918	}
1919
1920	if (srbm_soft_reset) {
1921		tmp = RREG32(SRBM_SOFT_RESET);
1922		tmp |= srbm_soft_reset;
1923		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1924		WREG32(SRBM_SOFT_RESET, tmp);
1925		tmp = RREG32(SRBM_SOFT_RESET);
1926
1927		udelay(50);
1928
1929		tmp &= ~srbm_soft_reset;
1930		WREG32(SRBM_SOFT_RESET, tmp);
1931		tmp = RREG32(SRBM_SOFT_RESET);
1932	}
1933
1934	/* Wait a little for things to settle down */
1935	udelay(50);
1936
1937	evergreen_mc_resume(rdev, &save);
1938	udelay(50);
1939
1940	evergreen_print_gpu_status_regs(rdev);
1941}
1942
1943int cayman_asic_reset(struct radeon_device *rdev, bool hard)
1944{
1945	u32 reset_mask;
1946
1947	if (hard) {
1948		evergreen_gpu_pci_config_reset(rdev);
1949		return 0;
1950	}
1951
1952	reset_mask = cayman_gpu_check_soft_reset(rdev);
1953
1954	if (reset_mask)
1955		r600_set_bios_scratch_engine_hung(rdev, true);
1956
1957	cayman_gpu_soft_reset(rdev, reset_mask);
1958
1959	reset_mask = cayman_gpu_check_soft_reset(rdev);
1960
1961	if (reset_mask)
1962		evergreen_gpu_pci_config_reset(rdev);
1963
1964	r600_set_bios_scratch_engine_hung(rdev, false);
1965
1966	return 0;
1967}
1968
1969/**
1970 * cayman_gfx_is_lockup - Check if the GFX engine is locked up
1971 *
1972 * @rdev: radeon_device pointer
1973 * @ring: radeon_ring structure holding ring information
1974 *
1975 * Check if the GFX engine is locked up.
1976 * Returns true if the engine appears to be locked up, false if not.
1977 */
1978bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1979{
1980	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
1981
1982	if (!(reset_mask & (RADEON_RESET_GFX |
1983			    RADEON_RESET_COMPUTE |
1984			    RADEON_RESET_CP))) {
1985		radeon_ring_lockup_update(rdev, ring);
1986		return false;
1987	}
1988	return radeon_ring_test_lockup(rdev, ring);
1989}
1990
1991static void cayman_uvd_init(struct radeon_device *rdev)
1992{
1993	int r;
1994
1995	if (!rdev->has_uvd)
1996		return;
1997
1998	r = radeon_uvd_init(rdev);
1999	if (r) {
2000		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
2001		/*
2002		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
2003		 * to early fails uvd_v2_2_resume() and thus nothing happens
2004		 * there. So it is pointless to try to go through that code
2005		 * hence why we disable uvd here.
2006		 */
2007		rdev->has_uvd = false;
2008		return;
2009	}
2010	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
2011	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
2012}
2013
2014static void cayman_uvd_start(struct radeon_device *rdev)
2015{
2016	int r;
2017
2018	if (!rdev->has_uvd)
2019		return;
2020
2021	r = uvd_v2_2_resume(rdev);
2022	if (r) {
2023		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
2024		goto error;
2025	}
2026	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
2027	if (r) {
2028		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
2029		goto error;
2030	}
2031	return;
2032
2033error:
2034	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
2035}
2036
2037static void cayman_uvd_resume(struct radeon_device *rdev)
2038{
2039	struct radeon_ring *ring;
2040	int r;
2041
2042	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
2043		return;
2044
2045	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2046	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0));
2047	if (r) {
2048		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
2049		return;
2050	}
2051	r = uvd_v1_0_init(rdev);
2052	if (r) {
2053		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
2054		return;
2055	}
2056}
2057
2058static void cayman_vce_init(struct radeon_device *rdev)
2059{
2060	int r;
2061
2062	/* Only set for CHIP_ARUBA */
2063	if (!rdev->has_vce)
2064		return;
2065
2066	r = radeon_vce_init(rdev);
2067	if (r) {
2068		dev_err(rdev->dev, "failed VCE (%d) init.\n", r);
2069		/*
2070		 * At this point rdev->vce.vcpu_bo is NULL which trickles down
2071		 * to early fails cayman_vce_start() and thus nothing happens
2072		 * there. So it is pointless to try to go through that code
2073		 * hence why we disable vce here.
2074		 */
2075		rdev->has_vce = false;
2076		return;
2077	}
2078	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_obj = NULL;
2079	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE1_INDEX], 4096);
2080	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_obj = NULL;
2081	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE2_INDEX], 4096);
2082}
2083
2084static void cayman_vce_start(struct radeon_device *rdev)
2085{
2086	int r;
2087
2088	if (!rdev->has_vce)
2089		return;
2090
2091	r = radeon_vce_resume(rdev);
2092	if (r) {
2093		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
2094		goto error;
2095	}
2096	r = vce_v1_0_resume(rdev);
2097	if (r) {
2098		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
2099		goto error;
2100	}
2101	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE1_INDEX);
2102	if (r) {
2103		dev_err(rdev->dev, "failed initializing VCE1 fences (%d).\n", r);
2104		goto error;
2105	}
2106	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE2_INDEX);
2107	if (r) {
2108		dev_err(rdev->dev, "failed initializing VCE2 fences (%d).\n", r);
2109		goto error;
2110	}
2111	return;
2112
2113error:
2114	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size = 0;
2115	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_size = 0;
2116}
2117
2118static void cayman_vce_resume(struct radeon_device *rdev)
2119{
2120	struct radeon_ring *ring;
2121	int r;
2122
2123	if (!rdev->has_vce || !rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size)
2124		return;
2125
2126	ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
2127	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2128	if (r) {
2129		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
2130		return;
2131	}
2132	ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
2133	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2134	if (r) {
2135		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
2136		return;
2137	}
2138	r = vce_v1_0_init(rdev);
2139	if (r) {
2140		dev_err(rdev->dev, "failed initializing VCE (%d).\n", r);
2141		return;
2142	}
2143}
2144
2145static int cayman_startup(struct radeon_device *rdev)
2146{
2147	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2148	int r;
2149
2150	/* enable pcie gen2 link */
2151	evergreen_pcie_gen2_enable(rdev);
2152	/* enable aspm */
2153	evergreen_program_aspm(rdev);
2154
2155	/* scratch needs to be initialized before MC */
2156	r = r600_vram_scratch_init(rdev);
2157	if (r)
2158		return r;
2159
2160	evergreen_mc_program(rdev);
2161
2162	if (!(rdev->flags & RADEON_IS_IGP) && !rdev->pm.dpm_enabled) {
2163		r = ni_mc_load_microcode(rdev);
2164		if (r) {
2165			DRM_ERROR("Failed to load MC firmware!\n");
2166			return r;
2167		}
2168	}
2169
2170	r = cayman_pcie_gart_enable(rdev);
2171	if (r)
2172		return r;
2173	cayman_gpu_init(rdev);
2174
2175	/* allocate rlc buffers */
2176	if (rdev->flags & RADEON_IS_IGP) {
2177		rdev->rlc.reg_list = tn_rlc_save_restore_register_list;
2178		rdev->rlc.reg_list_size =
2179			(u32)ARRAY_SIZE(tn_rlc_save_restore_register_list);
2180		rdev->rlc.cs_data = cayman_cs_data;
2181		r = sumo_rlc_init(rdev);
2182		if (r) {
2183			DRM_ERROR("Failed to init rlc BOs!\n");
2184			return r;
2185		}
2186	}
2187
2188	/* allocate wb buffer */
2189	r = radeon_wb_init(rdev);
2190	if (r)
2191		return r;
2192
2193	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
2194	if (r) {
2195		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2196		return r;
2197	}
2198
2199	cayman_uvd_start(rdev);
2200	cayman_vce_start(rdev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2201
2202	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
2203	if (r) {
2204		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2205		return r;
2206	}
2207
2208	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
2209	if (r) {
2210		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2211		return r;
2212	}
2213
2214	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
2215	if (r) {
2216		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2217		return r;
2218	}
2219
2220	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
2221	if (r) {
2222		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2223		return r;
2224	}
2225
2226	/* Enable IRQ */
2227	if (!rdev->irq.installed) {
2228		r = radeon_irq_kms_init(rdev);
2229		if (r)
2230			return r;
2231	}
2232
2233	r = r600_irq_init(rdev);
2234	if (r) {
2235		DRM_ERROR("radeon: IH init failed (%d).\n", r);
2236		radeon_irq_kms_fini(rdev);
2237		return r;
2238	}
2239	evergreen_irq_set(rdev);
2240
2241	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
2242			     RADEON_CP_PACKET2);
2243	if (r)
2244		return r;
2245
2246	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2247	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
2248			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2249	if (r)
2250		return r;
2251
2252	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2253	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
2254			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2255	if (r)
2256		return r;
2257
2258	r = cayman_cp_load_microcode(rdev);
2259	if (r)
2260		return r;
2261	r = cayman_cp_resume(rdev);
2262	if (r)
2263		return r;
2264
2265	r = cayman_dma_resume(rdev);
2266	if (r)
2267		return r;
2268
2269	cayman_uvd_resume(rdev);
2270	cayman_vce_resume(rdev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2271
2272	r = radeon_ib_pool_init(rdev);
2273	if (r) {
2274		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2275		return r;
2276	}
2277
2278	r = radeon_vm_manager_init(rdev);
2279	if (r) {
2280		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
2281		return r;
2282	}
2283
2284	r = radeon_audio_init(rdev);
2285	if (r)
2286		return r;
2287
2288	return 0;
2289}
2290
2291int cayman_resume(struct radeon_device *rdev)
2292{
2293	int r;
2294
2295	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2296	 * posting will perform necessary task to bring back GPU into good
2297	 * shape.
2298	 */
2299	/* post card */
2300	atom_asic_init(rdev->mode_info.atom_context);
2301
2302	/* init golden registers */
2303	ni_init_golden_registers(rdev);
2304
2305	if (rdev->pm.pm_method == PM_METHOD_DPM)
2306		radeon_pm_resume(rdev);
2307
2308	rdev->accel_working = true;
2309	r = cayman_startup(rdev);
2310	if (r) {
2311		DRM_ERROR("cayman startup failed on resume\n");
2312		rdev->accel_working = false;
2313		return r;
2314	}
2315	return r;
2316}
2317
2318int cayman_suspend(struct radeon_device *rdev)
2319{
2320	radeon_pm_suspend(rdev);
2321	radeon_audio_fini(rdev);
2322	radeon_vm_manager_fini(rdev);
2323	cayman_cp_enable(rdev, false);
2324	cayman_dma_stop(rdev);
2325	if (rdev->has_uvd) {
2326		radeon_uvd_suspend(rdev);
2327		uvd_v1_0_fini(rdev);
2328	}
2329	evergreen_irq_suspend(rdev);
2330	radeon_wb_disable(rdev);
2331	cayman_pcie_gart_disable(rdev);
2332	return 0;
2333}
2334
2335/* Plan is to move initialization in that function and use
2336 * helper function so that radeon_device_init pretty much
2337 * do nothing more than calling asic specific function. This
2338 * should also allow to remove a bunch of callback function
2339 * like vram_info.
2340 */
2341int cayman_init(struct radeon_device *rdev)
2342{
2343	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2344	int r;
2345
2346	/* Read BIOS */
2347	if (!radeon_get_bios(rdev)) {
2348		if (ASIC_IS_AVIVO(rdev))
2349			return -EINVAL;
2350	}
2351	/* Must be an ATOMBIOS */
2352	if (!rdev->is_atom_bios) {
2353		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
2354		return -EINVAL;
2355	}
2356	r = radeon_atombios_init(rdev);
2357	if (r)
2358		return r;
2359
2360	/* Post card if necessary */
2361	if (!radeon_card_posted(rdev)) {
2362		if (!rdev->bios) {
2363			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2364			return -EINVAL;
2365		}
2366		DRM_INFO("GPU not posted. posting now...\n");
2367		atom_asic_init(rdev->mode_info.atom_context);
2368	}
2369	/* init golden registers */
2370	ni_init_golden_registers(rdev);
2371	/* Initialize scratch registers */
2372	r600_scratch_init(rdev);
2373	/* Initialize surface registers */
2374	radeon_surface_init(rdev);
2375	/* Initialize clocks */
2376	radeon_get_clock_info(rdev->ddev);
2377	/* Fence driver */
2378	radeon_fence_driver_init(rdev);
 
 
2379	/* initialize memory controller */
2380	r = evergreen_mc_init(rdev);
2381	if (r)
2382		return r;
2383	/* Memory manager */
2384	r = radeon_bo_init(rdev);
2385	if (r)
2386		return r;
2387
2388	if (rdev->flags & RADEON_IS_IGP) {
2389		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2390			r = ni_init_microcode(rdev);
2391			if (r) {
2392				DRM_ERROR("Failed to load firmware!\n");
2393				return r;
2394			}
2395		}
2396	} else {
2397		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2398			r = ni_init_microcode(rdev);
2399			if (r) {
2400				DRM_ERROR("Failed to load firmware!\n");
2401				return r;
2402			}
2403		}
2404	}
2405
2406	/* Initialize power management */
2407	radeon_pm_init(rdev);
2408
2409	ring->ring_obj = NULL;
2410	r600_ring_init(rdev, ring, 1024 * 1024);
2411
2412	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2413	ring->ring_obj = NULL;
2414	r600_ring_init(rdev, ring, 64 * 1024);
2415
2416	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2417	ring->ring_obj = NULL;
2418	r600_ring_init(rdev, ring, 64 * 1024);
2419
2420	cayman_uvd_init(rdev);
2421	cayman_vce_init(rdev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2422
2423	rdev->ih.ring_obj = NULL;
2424	r600_ih_ring_init(rdev, 64 * 1024);
2425
2426	r = r600_pcie_gart_init(rdev);
2427	if (r)
2428		return r;
2429
2430	rdev->accel_working = true;
2431	r = cayman_startup(rdev);
2432	if (r) {
2433		dev_err(rdev->dev, "disabling GPU acceleration\n");
2434		cayman_cp_fini(rdev);
2435		cayman_dma_fini(rdev);
2436		r600_irq_fini(rdev);
2437		if (rdev->flags & RADEON_IS_IGP)
2438			sumo_rlc_fini(rdev);
2439		radeon_wb_fini(rdev);
2440		radeon_ib_pool_fini(rdev);
2441		radeon_vm_manager_fini(rdev);
2442		radeon_irq_kms_fini(rdev);
2443		cayman_pcie_gart_fini(rdev);
2444		rdev->accel_working = false;
2445	}
2446
2447	/* Don't start up if the MC ucode is missing.
2448	 * The default clocks and voltages before the MC ucode
2449	 * is loaded are not suffient for advanced operations.
2450	 *
2451	 * We can skip this check for TN, because there is no MC
2452	 * ucode.
2453	 */
2454	if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
2455		DRM_ERROR("radeon: MC ucode required for NI+.\n");
2456		return -EINVAL;
2457	}
2458
2459	return 0;
2460}
2461
2462void cayman_fini(struct radeon_device *rdev)
2463{
2464	radeon_pm_fini(rdev);
2465	cayman_cp_fini(rdev);
2466	cayman_dma_fini(rdev);
2467	r600_irq_fini(rdev);
2468	if (rdev->flags & RADEON_IS_IGP)
2469		sumo_rlc_fini(rdev);
2470	radeon_wb_fini(rdev);
2471	radeon_vm_manager_fini(rdev);
2472	radeon_ib_pool_fini(rdev);
2473	radeon_irq_kms_fini(rdev);
2474	uvd_v1_0_fini(rdev);
2475	radeon_uvd_fini(rdev);
2476	if (rdev->has_vce)
2477		radeon_vce_fini(rdev);
2478	cayman_pcie_gart_fini(rdev);
2479	r600_vram_scratch_fini(rdev);
2480	radeon_gem_fini(rdev);
2481	radeon_fence_driver_fini(rdev);
2482	radeon_bo_fini(rdev);
2483	radeon_atombios_fini(rdev);
2484	kfree(rdev->bios);
2485	rdev->bios = NULL;
2486}
2487
2488/*
2489 * vm
2490 */
2491int cayman_vm_init(struct radeon_device *rdev)
2492{
2493	/* number of VMs */
2494	rdev->vm_manager.nvm = 8;
2495	/* base offset of vram pages */
2496	if (rdev->flags & RADEON_IS_IGP) {
2497		u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
2498		tmp <<= 22;
2499		rdev->vm_manager.vram_base_offset = tmp;
2500	} else
2501		rdev->vm_manager.vram_base_offset = 0;
2502	return 0;
2503}
2504
2505void cayman_vm_fini(struct radeon_device *rdev)
2506{
2507}
2508
2509/**
2510 * cayman_vm_decode_fault - print human readable fault info
2511 *
2512 * @rdev: radeon_device pointer
2513 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
2514 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
2515 *
2516 * Print human readable fault information (cayman/TN).
2517 */
2518void cayman_vm_decode_fault(struct radeon_device *rdev,
2519			    u32 status, u32 addr)
2520{
2521	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
2522	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
2523	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
2524	char *block;
2525
2526	switch (mc_id) {
2527	case 32:
2528	case 16:
2529	case 96:
2530	case 80:
2531	case 160:
2532	case 144:
2533	case 224:
2534	case 208:
2535		block = "CB";
2536		break;
2537	case 33:
2538	case 17:
2539	case 97:
2540	case 81:
2541	case 161:
2542	case 145:
2543	case 225:
2544	case 209:
2545		block = "CB_FMASK";
2546		break;
2547	case 34:
2548	case 18:
2549	case 98:
2550	case 82:
2551	case 162:
2552	case 146:
2553	case 226:
2554	case 210:
2555		block = "CB_CMASK";
2556		break;
2557	case 35:
2558	case 19:
2559	case 99:
2560	case 83:
2561	case 163:
2562	case 147:
2563	case 227:
2564	case 211:
2565		block = "CB_IMMED";
2566		break;
2567	case 36:
2568	case 20:
2569	case 100:
2570	case 84:
2571	case 164:
2572	case 148:
2573	case 228:
2574	case 212:
2575		block = "DB";
2576		break;
2577	case 37:
2578	case 21:
2579	case 101:
2580	case 85:
2581	case 165:
2582	case 149:
2583	case 229:
2584	case 213:
2585		block = "DB_HTILE";
2586		break;
2587	case 38:
2588	case 22:
2589	case 102:
2590	case 86:
2591	case 166:
2592	case 150:
2593	case 230:
2594	case 214:
2595		block = "SX";
2596		break;
2597	case 39:
2598	case 23:
2599	case 103:
2600	case 87:
2601	case 167:
2602	case 151:
2603	case 231:
2604	case 215:
2605		block = "DB_STEN";
2606		break;
2607	case 40:
2608	case 24:
2609	case 104:
2610	case 88:
2611	case 232:
2612	case 216:
2613	case 168:
2614	case 152:
2615		block = "TC_TFETCH";
2616		break;
2617	case 41:
2618	case 25:
2619	case 105:
2620	case 89:
2621	case 233:
2622	case 217:
2623	case 169:
2624	case 153:
2625		block = "TC_VFETCH";
2626		break;
2627	case 42:
2628	case 26:
2629	case 106:
2630	case 90:
2631	case 234:
2632	case 218:
2633	case 170:
2634	case 154:
2635		block = "VC";
2636		break;
2637	case 112:
2638		block = "CP";
2639		break;
2640	case 113:
2641	case 114:
2642		block = "SH";
2643		break;
2644	case 115:
2645		block = "VGT";
2646		break;
2647	case 178:
2648		block = "IH";
2649		break;
2650	case 51:
2651		block = "RLC";
2652		break;
2653	case 55:
2654		block = "DMA";
2655		break;
2656	case 56:
2657		block = "HDP";
2658		break;
2659	default:
2660		block = "unknown";
2661		break;
2662	}
2663
2664	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
2665	       protections, vmid, addr,
2666	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
2667	       block, mc_id);
2668}
2669
2670/*
2671 * cayman_vm_flush - vm flush using the CP
 
 
2672 *
2673 * Update the page table base and flush the VM TLB
2674 * using the CP (cayman-si).
2675 */
2676void cayman_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
2677		     unsigned vm_id, uint64_t pd_addr)
2678{
2679	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm_id << 2), 0));
2680	radeon_ring_write(ring, pd_addr >> 12);
2681
2682	/* flush hdp cache */
2683	radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
2684	radeon_ring_write(ring, 0x1);
2685
2686	/* bits 0-7 are the VM contexts0-7 */
2687	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
2688	radeon_ring_write(ring, 1 << vm_id);
2689
2690	/* wait for the invalidate to complete */
2691	radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
2692	radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) |  /* always */
2693				 WAIT_REG_MEM_ENGINE(0))); /* me */
2694	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
2695	radeon_ring_write(ring, 0);
2696	radeon_ring_write(ring, 0); /* ref */
2697	radeon_ring_write(ring, 0); /* mask */
2698	radeon_ring_write(ring, 0x20); /* poll interval */
2699
2700	/* sync PFP to ME, otherwise we might get invalid PFP reads */
2701	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2702	radeon_ring_write(ring, 0x0);
2703}
2704
2705int tn_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk)
2706{
2707	struct atom_clock_dividers dividers;
2708	int r, i;
2709
2710	r = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
2711					   ecclk, false, &dividers);
2712	if (r)
2713		return r;
2714
2715	for (i = 0; i < 100; i++) {
2716		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2717			break;
2718		mdelay(10);
2719	}
2720	if (i == 100)
2721		return -ETIMEDOUT;
2722
2723	WREG32_P(CG_ECLK_CNTL, dividers.post_div, ~(ECLK_DIR_CNTL_EN|ECLK_DIVIDER_MASK));
2724
2725	for (i = 0; i < 100; i++) {
2726		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2727			break;
2728		mdelay(10);
2729	}
2730	if (i == 100)
2731		return -ETIMEDOUT;
2732
2733	return 0;
2734}