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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}
v5.4
   1/*
   2 * Copyright 2010 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 * Authors: Alex Deucher
  23 */
  24
  25#include <linux/firmware.h>
  26#include <linux/slab.h>
  27#include <linux/module.h>
  28
  29#include <drm/drm_pci.h>
 
 
  30#include <drm/radeon_drm.h>
  31
  32#include "atom.h"
 
  33#include "cayman_blit_shaders.h"
 
  34#include "clearstate_cayman.h"
  35#include "ni_reg.h"
  36#include "nid.h"
  37#include "radeon.h"
  38#include "radeon_asic.h"
  39#include "radeon_audio.h"
  40#include "radeon_ucode.h"
  41
  42/*
  43 * Indirect registers accessor
  44 */
  45u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg)
  46{
  47	unsigned long flags;
  48	u32 r;
  49
  50	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
  51	WREG32(TN_SMC_IND_INDEX_0, (reg));
  52	r = RREG32(TN_SMC_IND_DATA_0);
  53	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
  54	return r;
  55}
  56
  57void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
  58{
  59	unsigned long flags;
  60
  61	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
  62	WREG32(TN_SMC_IND_INDEX_0, (reg));
  63	WREG32(TN_SMC_IND_DATA_0, (v));
  64	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
  65}
  66
  67static const u32 tn_rlc_save_restore_register_list[] =
  68{
  69	0x98fc,
  70	0x98f0,
  71	0x9834,
  72	0x9838,
  73	0x9870,
  74	0x9874,
  75	0x8a14,
  76	0x8b24,
  77	0x8bcc,
  78	0x8b10,
  79	0x8c30,
  80	0x8d00,
  81	0x8d04,
  82	0x8c00,
  83	0x8c04,
  84	0x8c10,
  85	0x8c14,
  86	0x8d8c,
  87	0x8cf0,
  88	0x8e38,
  89	0x9508,
  90	0x9688,
  91	0x9608,
  92	0x960c,
  93	0x9610,
  94	0x9614,
  95	0x88c4,
  96	0x8978,
  97	0x88d4,
  98	0x900c,
  99	0x9100,
 100	0x913c,
 101	0x90e8,
 102	0x9354,
 103	0xa008,
 104	0x98f8,
 105	0x9148,
 106	0x914c,
 107	0x3f94,
 108	0x98f4,
 109	0x9b7c,
 110	0x3f8c,
 111	0x8950,
 112	0x8954,
 113	0x8a18,
 114	0x8b28,
 115	0x9144,
 116	0x3f90,
 117	0x915c,
 118	0x9160,
 119	0x9178,
 120	0x917c,
 121	0x9180,
 122	0x918c,
 123	0x9190,
 124	0x9194,
 125	0x9198,
 126	0x919c,
 127	0x91a8,
 128	0x91ac,
 129	0x91b0,
 130	0x91b4,
 131	0x91b8,
 132	0x91c4,
 133	0x91c8,
 134	0x91cc,
 135	0x91d0,
 136	0x91d4,
 137	0x91e0,
 138	0x91e4,
 139	0x91ec,
 140	0x91f0,
 141	0x91f4,
 142	0x9200,
 143	0x9204,
 144	0x929c,
 145	0x8030,
 146	0x9150,
 147	0x9a60,
 148	0x920c,
 149	0x9210,
 150	0x9228,
 151	0x922c,
 152	0x9244,
 153	0x9248,
 154	0x91e8,
 155	0x9294,
 156	0x9208,
 157	0x9224,
 158	0x9240,
 159	0x9220,
 160	0x923c,
 161	0x9258,
 162	0x9744,
 163	0xa200,
 164	0xa204,
 165	0xa208,
 166	0xa20c,
 167	0x8d58,
 168	0x9030,
 169	0x9034,
 170	0x9038,
 171	0x903c,
 172	0x9040,
 173	0x9654,
 174	0x897c,
 175	0xa210,
 176	0xa214,
 177	0x9868,
 178	0xa02c,
 179	0x9664,
 180	0x9698,
 181	0x949c,
 182	0x8e10,
 183	0x8e18,
 184	0x8c50,
 185	0x8c58,
 186	0x8c60,
 187	0x8c68,
 188	0x89b4,
 189	0x9830,
 190	0x802c,
 191};
 192
 193extern bool evergreen_is_display_hung(struct radeon_device *rdev);
 194extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev);
 195extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
 196extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
 197extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);
 198extern void evergreen_mc_program(struct radeon_device *rdev);
 199extern void evergreen_irq_suspend(struct radeon_device *rdev);
 200extern int evergreen_mc_init(struct radeon_device *rdev);
 201extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
 202extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
 203extern void evergreen_program_aspm(struct radeon_device *rdev);
 204extern void sumo_rlc_fini(struct radeon_device *rdev);
 205extern int sumo_rlc_init(struct radeon_device *rdev);
 206extern void evergreen_gpu_pci_config_reset(struct radeon_device *rdev);
 207
 208/* Firmware Names */
 209MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
 210MODULE_FIRMWARE("radeon/BARTS_me.bin");
 211MODULE_FIRMWARE("radeon/BARTS_mc.bin");
 212MODULE_FIRMWARE("radeon/BARTS_smc.bin");
 213MODULE_FIRMWARE("radeon/BTC_rlc.bin");
 214MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
 215MODULE_FIRMWARE("radeon/TURKS_me.bin");
 216MODULE_FIRMWARE("radeon/TURKS_mc.bin");
 217MODULE_FIRMWARE("radeon/TURKS_smc.bin");
 218MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
 219MODULE_FIRMWARE("radeon/CAICOS_me.bin");
 220MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
 221MODULE_FIRMWARE("radeon/CAICOS_smc.bin");
 222MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
 223MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
 224MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
 225MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
 226MODULE_FIRMWARE("radeon/CAYMAN_smc.bin");
 227MODULE_FIRMWARE("radeon/ARUBA_pfp.bin");
 228MODULE_FIRMWARE("radeon/ARUBA_me.bin");
 229MODULE_FIRMWARE("radeon/ARUBA_rlc.bin");
 230
 231
 232static const u32 cayman_golden_registers2[] =
 233{
 234	0x3e5c, 0xffffffff, 0x00000000,
 235	0x3e48, 0xffffffff, 0x00000000,
 236	0x3e4c, 0xffffffff, 0x00000000,
 237	0x3e64, 0xffffffff, 0x00000000,
 238	0x3e50, 0xffffffff, 0x00000000,
 239	0x3e60, 0xffffffff, 0x00000000
 240};
 241
 242static const u32 cayman_golden_registers[] =
 243{
 244	0x5eb4, 0xffffffff, 0x00000002,
 245	0x5e78, 0x8f311ff1, 0x001000f0,
 246	0x3f90, 0xffff0000, 0xff000000,
 247	0x9148, 0xffff0000, 0xff000000,
 248	0x3f94, 0xffff0000, 0xff000000,
 249	0x914c, 0xffff0000, 0xff000000,
 250	0xc78, 0x00000080, 0x00000080,
 251	0xbd4, 0x70073777, 0x00011003,
 252	0xd02c, 0xbfffff1f, 0x08421000,
 253	0xd0b8, 0x73773777, 0x02011003,
 254	0x5bc0, 0x00200000, 0x50100000,
 255	0x98f8, 0x33773777, 0x02011003,
 256	0x98fc, 0xffffffff, 0x76541032,
 257	0x7030, 0x31000311, 0x00000011,
 258	0x2f48, 0x33773777, 0x42010001,
 259	0x6b28, 0x00000010, 0x00000012,
 260	0x7728, 0x00000010, 0x00000012,
 261	0x10328, 0x00000010, 0x00000012,
 262	0x10f28, 0x00000010, 0x00000012,
 263	0x11b28, 0x00000010, 0x00000012,
 264	0x12728, 0x00000010, 0x00000012,
 265	0x240c, 0x000007ff, 0x00000000,
 266	0x8a14, 0xf000001f, 0x00000007,
 267	0x8b24, 0x3fff3fff, 0x00ff0fff,
 268	0x8b10, 0x0000ff0f, 0x00000000,
 269	0x28a4c, 0x07ffffff, 0x06000000,
 270	0x10c, 0x00000001, 0x00010003,
 271	0xa02c, 0xffffffff, 0x0000009b,
 272	0x913c, 0x0000010f, 0x01000100,
 273	0x8c04, 0xf8ff00ff, 0x40600060,
 274	0x28350, 0x00000f01, 0x00000000,
 275	0x9508, 0x3700001f, 0x00000002,
 276	0x960c, 0xffffffff, 0x54763210,
 277	0x88c4, 0x001f3ae3, 0x00000082,
 278	0x88d0, 0xffffffff, 0x0f40df40,
 279	0x88d4, 0x0000001f, 0x00000010,
 280	0x8974, 0xffffffff, 0x00000000
 281};
 282
 283static const u32 dvst_golden_registers2[] =
 284{
 285	0x8f8, 0xffffffff, 0,
 286	0x8fc, 0x00380000, 0,
 287	0x8f8, 0xffffffff, 1,
 288	0x8fc, 0x0e000000, 0
 289};
 290
 291static const u32 dvst_golden_registers[] =
 292{
 293	0x690, 0x3fff3fff, 0x20c00033,
 294	0x918c, 0x0fff0fff, 0x00010006,
 295	0x91a8, 0x0fff0fff, 0x00010006,
 296	0x9150, 0xffffdfff, 0x6e944040,
 297	0x917c, 0x0fff0fff, 0x00030002,
 298	0x9198, 0x0fff0fff, 0x00030002,
 299	0x915c, 0x0fff0fff, 0x00010000,
 300	0x3f90, 0xffff0001, 0xff000000,
 301	0x9178, 0x0fff0fff, 0x00070000,
 302	0x9194, 0x0fff0fff, 0x00070000,
 303	0x9148, 0xffff0001, 0xff000000,
 304	0x9190, 0x0fff0fff, 0x00090008,
 305	0x91ac, 0x0fff0fff, 0x00090008,
 306	0x3f94, 0xffff0000, 0xff000000,
 307	0x914c, 0xffff0000, 0xff000000,
 308	0x929c, 0x00000fff, 0x00000001,
 309	0x55e4, 0xff607fff, 0xfc000100,
 310	0x8a18, 0xff000fff, 0x00000100,
 311	0x8b28, 0xff000fff, 0x00000100,
 312	0x9144, 0xfffc0fff, 0x00000100,
 313	0x6ed8, 0x00010101, 0x00010000,
 314	0x9830, 0xffffffff, 0x00000000,
 315	0x9834, 0xf00fffff, 0x00000400,
 316	0x9838, 0xfffffffe, 0x00000000,
 317	0xd0c0, 0xff000fff, 0x00000100,
 318	0xd02c, 0xbfffff1f, 0x08421000,
 319	0xd0b8, 0x73773777, 0x12010001,
 320	0x5bb0, 0x000000f0, 0x00000070,
 321	0x98f8, 0x73773777, 0x12010001,
 322	0x98fc, 0xffffffff, 0x00000010,
 323	0x9b7c, 0x00ff0000, 0x00fc0000,
 324	0x8030, 0x00001f0f, 0x0000100a,
 325	0x2f48, 0x73773777, 0x12010001,
 326	0x2408, 0x00030000, 0x000c007f,
 327	0x8a14, 0xf000003f, 0x00000007,
 328	0x8b24, 0x3fff3fff, 0x00ff0fff,
 329	0x8b10, 0x0000ff0f, 0x00000000,
 330	0x28a4c, 0x07ffffff, 0x06000000,
 331	0x4d8, 0x00000fff, 0x00000100,
 332	0xa008, 0xffffffff, 0x00010000,
 333	0x913c, 0xffff03ff, 0x01000100,
 334	0x8c00, 0x000000ff, 0x00000003,
 335	0x8c04, 0xf8ff00ff, 0x40600060,
 336	0x8cf0, 0x1fff1fff, 0x08e00410,
 337	0x28350, 0x00000f01, 0x00000000,
 338	0x9508, 0xf700071f, 0x00000002,
 339	0x960c, 0xffffffff, 0x54763210,
 340	0x20ef8, 0x01ff01ff, 0x00000002,
 341	0x20e98, 0xfffffbff, 0x00200000,
 342	0x2015c, 0xffffffff, 0x00000f40,
 343	0x88c4, 0x001f3ae3, 0x00000082,
 344	0x8978, 0x3fffffff, 0x04050140,
 345	0x88d4, 0x0000001f, 0x00000010,
 346	0x8974, 0xffffffff, 0x00000000
 347};
 348
 349static const u32 scrapper_golden_registers[] =
 350{
 351	0x690, 0x3fff3fff, 0x20c00033,
 352	0x918c, 0x0fff0fff, 0x00010006,
 353	0x918c, 0x0fff0fff, 0x00010006,
 354	0x91a8, 0x0fff0fff, 0x00010006,
 355	0x91a8, 0x0fff0fff, 0x00010006,
 356	0x9150, 0xffffdfff, 0x6e944040,
 357	0x9150, 0xffffdfff, 0x6e944040,
 358	0x917c, 0x0fff0fff, 0x00030002,
 359	0x917c, 0x0fff0fff, 0x00030002,
 360	0x9198, 0x0fff0fff, 0x00030002,
 361	0x9198, 0x0fff0fff, 0x00030002,
 362	0x915c, 0x0fff0fff, 0x00010000,
 363	0x915c, 0x0fff0fff, 0x00010000,
 364	0x3f90, 0xffff0001, 0xff000000,
 365	0x3f90, 0xffff0001, 0xff000000,
 366	0x9178, 0x0fff0fff, 0x00070000,
 367	0x9178, 0x0fff0fff, 0x00070000,
 368	0x9194, 0x0fff0fff, 0x00070000,
 369	0x9194, 0x0fff0fff, 0x00070000,
 370	0x9148, 0xffff0001, 0xff000000,
 371	0x9148, 0xffff0001, 0xff000000,
 372	0x9190, 0x0fff0fff, 0x00090008,
 373	0x9190, 0x0fff0fff, 0x00090008,
 374	0x91ac, 0x0fff0fff, 0x00090008,
 375	0x91ac, 0x0fff0fff, 0x00090008,
 376	0x3f94, 0xffff0000, 0xff000000,
 377	0x3f94, 0xffff0000, 0xff000000,
 378	0x914c, 0xffff0000, 0xff000000,
 379	0x914c, 0xffff0000, 0xff000000,
 380	0x929c, 0x00000fff, 0x00000001,
 381	0x929c, 0x00000fff, 0x00000001,
 382	0x55e4, 0xff607fff, 0xfc000100,
 383	0x8a18, 0xff000fff, 0x00000100,
 384	0x8a18, 0xff000fff, 0x00000100,
 385	0x8b28, 0xff000fff, 0x00000100,
 386	0x8b28, 0xff000fff, 0x00000100,
 387	0x9144, 0xfffc0fff, 0x00000100,
 388	0x9144, 0xfffc0fff, 0x00000100,
 389	0x6ed8, 0x00010101, 0x00010000,
 390	0x9830, 0xffffffff, 0x00000000,
 391	0x9830, 0xffffffff, 0x00000000,
 392	0x9834, 0xf00fffff, 0x00000400,
 393	0x9834, 0xf00fffff, 0x00000400,
 394	0x9838, 0xfffffffe, 0x00000000,
 395	0x9838, 0xfffffffe, 0x00000000,
 396	0xd0c0, 0xff000fff, 0x00000100,
 397	0xd02c, 0xbfffff1f, 0x08421000,
 398	0xd02c, 0xbfffff1f, 0x08421000,
 399	0xd0b8, 0x73773777, 0x12010001,
 400	0xd0b8, 0x73773777, 0x12010001,
 401	0x5bb0, 0x000000f0, 0x00000070,
 402	0x98f8, 0x73773777, 0x12010001,
 403	0x98f8, 0x73773777, 0x12010001,
 404	0x98fc, 0xffffffff, 0x00000010,
 405	0x98fc, 0xffffffff, 0x00000010,
 406	0x9b7c, 0x00ff0000, 0x00fc0000,
 407	0x9b7c, 0x00ff0000, 0x00fc0000,
 408	0x8030, 0x00001f0f, 0x0000100a,
 409	0x8030, 0x00001f0f, 0x0000100a,
 410	0x2f48, 0x73773777, 0x12010001,
 411	0x2f48, 0x73773777, 0x12010001,
 412	0x2408, 0x00030000, 0x000c007f,
 413	0x8a14, 0xf000003f, 0x00000007,
 414	0x8a14, 0xf000003f, 0x00000007,
 415	0x8b24, 0x3fff3fff, 0x00ff0fff,
 416	0x8b24, 0x3fff3fff, 0x00ff0fff,
 417	0x8b10, 0x0000ff0f, 0x00000000,
 418	0x8b10, 0x0000ff0f, 0x00000000,
 419	0x28a4c, 0x07ffffff, 0x06000000,
 420	0x28a4c, 0x07ffffff, 0x06000000,
 421	0x4d8, 0x00000fff, 0x00000100,
 422	0x4d8, 0x00000fff, 0x00000100,
 423	0xa008, 0xffffffff, 0x00010000,
 424	0xa008, 0xffffffff, 0x00010000,
 425	0x913c, 0xffff03ff, 0x01000100,
 426	0x913c, 0xffff03ff, 0x01000100,
 427	0x90e8, 0x001fffff, 0x010400c0,
 428	0x8c00, 0x000000ff, 0x00000003,
 429	0x8c00, 0x000000ff, 0x00000003,
 430	0x8c04, 0xf8ff00ff, 0x40600060,
 431	0x8c04, 0xf8ff00ff, 0x40600060,
 432	0x8c30, 0x0000000f, 0x00040005,
 433	0x8cf0, 0x1fff1fff, 0x08e00410,
 434	0x8cf0, 0x1fff1fff, 0x08e00410,
 435	0x900c, 0x00ffffff, 0x0017071f,
 436	0x28350, 0x00000f01, 0x00000000,
 437	0x28350, 0x00000f01, 0x00000000,
 438	0x9508, 0xf700071f, 0x00000002,
 439	0x9508, 0xf700071f, 0x00000002,
 440	0x9688, 0x00300000, 0x0017000f,
 441	0x960c, 0xffffffff, 0x54763210,
 442	0x960c, 0xffffffff, 0x54763210,
 443	0x20ef8, 0x01ff01ff, 0x00000002,
 444	0x20e98, 0xfffffbff, 0x00200000,
 445	0x2015c, 0xffffffff, 0x00000f40,
 446	0x88c4, 0x001f3ae3, 0x00000082,
 447	0x88c4, 0x001f3ae3, 0x00000082,
 448	0x8978, 0x3fffffff, 0x04050140,
 449	0x8978, 0x3fffffff, 0x04050140,
 450	0x88d4, 0x0000001f, 0x00000010,
 451	0x88d4, 0x0000001f, 0x00000010,
 452	0x8974, 0xffffffff, 0x00000000,
 453	0x8974, 0xffffffff, 0x00000000
 454};
 455
 456static void ni_init_golden_registers(struct radeon_device *rdev)
 457{
 458	switch (rdev->family) {
 459	case CHIP_CAYMAN:
 460		radeon_program_register_sequence(rdev,
 461						 cayman_golden_registers,
 462						 (const u32)ARRAY_SIZE(cayman_golden_registers));
 463		radeon_program_register_sequence(rdev,
 464						 cayman_golden_registers2,
 465						 (const u32)ARRAY_SIZE(cayman_golden_registers2));
 466		break;
 467	case CHIP_ARUBA:
 468		if ((rdev->pdev->device == 0x9900) ||
 469		    (rdev->pdev->device == 0x9901) ||
 470		    (rdev->pdev->device == 0x9903) ||
 471		    (rdev->pdev->device == 0x9904) ||
 472		    (rdev->pdev->device == 0x9905) ||
 473		    (rdev->pdev->device == 0x9906) ||
 474		    (rdev->pdev->device == 0x9907) ||
 475		    (rdev->pdev->device == 0x9908) ||
 476		    (rdev->pdev->device == 0x9909) ||
 477		    (rdev->pdev->device == 0x990A) ||
 478		    (rdev->pdev->device == 0x990B) ||
 479		    (rdev->pdev->device == 0x990C) ||
 480		    (rdev->pdev->device == 0x990D) ||
 481		    (rdev->pdev->device == 0x990E) ||
 482		    (rdev->pdev->device == 0x990F) ||
 483		    (rdev->pdev->device == 0x9910) ||
 484		    (rdev->pdev->device == 0x9913) ||
 485		    (rdev->pdev->device == 0x9917) ||
 486		    (rdev->pdev->device == 0x9918)) {
 487			radeon_program_register_sequence(rdev,
 488							 dvst_golden_registers,
 489							 (const u32)ARRAY_SIZE(dvst_golden_registers));
 490			radeon_program_register_sequence(rdev,
 491							 dvst_golden_registers2,
 492							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
 493		} else {
 494			radeon_program_register_sequence(rdev,
 495							 scrapper_golden_registers,
 496							 (const u32)ARRAY_SIZE(scrapper_golden_registers));
 497			radeon_program_register_sequence(rdev,
 498							 dvst_golden_registers2,
 499							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
 500		}
 501		break;
 502	default:
 503		break;
 504	}
 505}
 506
 507#define BTC_IO_MC_REGS_SIZE 29
 508
 509static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 510	{0x00000077, 0xff010100},
 511	{0x00000078, 0x00000000},
 512	{0x00000079, 0x00001434},
 513	{0x0000007a, 0xcc08ec08},
 514	{0x0000007b, 0x00040000},
 515	{0x0000007c, 0x000080c0},
 516	{0x0000007d, 0x09000000},
 517	{0x0000007e, 0x00210404},
 518	{0x00000081, 0x08a8e800},
 519	{0x00000082, 0x00030444},
 520	{0x00000083, 0x00000000},
 521	{0x00000085, 0x00000001},
 522	{0x00000086, 0x00000002},
 523	{0x00000087, 0x48490000},
 524	{0x00000088, 0x20244647},
 525	{0x00000089, 0x00000005},
 526	{0x0000008b, 0x66030000},
 527	{0x0000008c, 0x00006603},
 528	{0x0000008d, 0x00000100},
 529	{0x0000008f, 0x00001c0a},
 530	{0x00000090, 0xff000001},
 531	{0x00000094, 0x00101101},
 532	{0x00000095, 0x00000fff},
 533	{0x00000096, 0x00116fff},
 534	{0x00000097, 0x60010000},
 535	{0x00000098, 0x10010000},
 536	{0x00000099, 0x00006000},
 537	{0x0000009a, 0x00001000},
 538	{0x0000009f, 0x00946a00}
 539};
 540
 541static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 542	{0x00000077, 0xff010100},
 543	{0x00000078, 0x00000000},
 544	{0x00000079, 0x00001434},
 545	{0x0000007a, 0xcc08ec08},
 546	{0x0000007b, 0x00040000},
 547	{0x0000007c, 0x000080c0},
 548	{0x0000007d, 0x09000000},
 549	{0x0000007e, 0x00210404},
 550	{0x00000081, 0x08a8e800},
 551	{0x00000082, 0x00030444},
 552	{0x00000083, 0x00000000},
 553	{0x00000085, 0x00000001},
 554	{0x00000086, 0x00000002},
 555	{0x00000087, 0x48490000},
 556	{0x00000088, 0x20244647},
 557	{0x00000089, 0x00000005},
 558	{0x0000008b, 0x66030000},
 559	{0x0000008c, 0x00006603},
 560	{0x0000008d, 0x00000100},
 561	{0x0000008f, 0x00001c0a},
 562	{0x00000090, 0xff000001},
 563	{0x00000094, 0x00101101},
 564	{0x00000095, 0x00000fff},
 565	{0x00000096, 0x00116fff},
 566	{0x00000097, 0x60010000},
 567	{0x00000098, 0x10010000},
 568	{0x00000099, 0x00006000},
 569	{0x0000009a, 0x00001000},
 570	{0x0000009f, 0x00936a00}
 571};
 572
 573static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 574	{0x00000077, 0xff010100},
 575	{0x00000078, 0x00000000},
 576	{0x00000079, 0x00001434},
 577	{0x0000007a, 0xcc08ec08},
 578	{0x0000007b, 0x00040000},
 579	{0x0000007c, 0x000080c0},
 580	{0x0000007d, 0x09000000},
 581	{0x0000007e, 0x00210404},
 582	{0x00000081, 0x08a8e800},
 583	{0x00000082, 0x00030444},
 584	{0x00000083, 0x00000000},
 585	{0x00000085, 0x00000001},
 586	{0x00000086, 0x00000002},
 587	{0x00000087, 0x48490000},
 588	{0x00000088, 0x20244647},
 589	{0x00000089, 0x00000005},
 590	{0x0000008b, 0x66030000},
 591	{0x0000008c, 0x00006603},
 592	{0x0000008d, 0x00000100},
 593	{0x0000008f, 0x00001c0a},
 594	{0x00000090, 0xff000001},
 595	{0x00000094, 0x00101101},
 596	{0x00000095, 0x00000fff},
 597	{0x00000096, 0x00116fff},
 598	{0x00000097, 0x60010000},
 599	{0x00000098, 0x10010000},
 600	{0x00000099, 0x00006000},
 601	{0x0000009a, 0x00001000},
 602	{0x0000009f, 0x00916a00}
 603};
 604
 605static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 606	{0x00000077, 0xff010100},
 607	{0x00000078, 0x00000000},
 608	{0x00000079, 0x00001434},
 609	{0x0000007a, 0xcc08ec08},
 610	{0x0000007b, 0x00040000},
 611	{0x0000007c, 0x000080c0},
 612	{0x0000007d, 0x09000000},
 613	{0x0000007e, 0x00210404},
 614	{0x00000081, 0x08a8e800},
 615	{0x00000082, 0x00030444},
 616	{0x00000083, 0x00000000},
 617	{0x00000085, 0x00000001},
 618	{0x00000086, 0x00000002},
 619	{0x00000087, 0x48490000},
 620	{0x00000088, 0x20244647},
 621	{0x00000089, 0x00000005},
 622	{0x0000008b, 0x66030000},
 623	{0x0000008c, 0x00006603},
 624	{0x0000008d, 0x00000100},
 625	{0x0000008f, 0x00001c0a},
 626	{0x00000090, 0xff000001},
 627	{0x00000094, 0x00101101},
 628	{0x00000095, 0x00000fff},
 629	{0x00000096, 0x00116fff},
 630	{0x00000097, 0x60010000},
 631	{0x00000098, 0x10010000},
 632	{0x00000099, 0x00006000},
 633	{0x0000009a, 0x00001000},
 634	{0x0000009f, 0x00976b00}
 635};
 636
 637int ni_mc_load_microcode(struct radeon_device *rdev)
 638{
 639	const __be32 *fw_data;
 640	u32 mem_type, running, blackout = 0;
 641	u32 *io_mc_regs;
 642	int i, ucode_size, regs_size;
 643
 644	if (!rdev->mc_fw)
 645		return -EINVAL;
 646
 647	switch (rdev->family) {
 648	case CHIP_BARTS:
 649		io_mc_regs = (u32 *)&barts_io_mc_regs;
 650		ucode_size = BTC_MC_UCODE_SIZE;
 651		regs_size = BTC_IO_MC_REGS_SIZE;
 652		break;
 653	case CHIP_TURKS:
 654		io_mc_regs = (u32 *)&turks_io_mc_regs;
 655		ucode_size = BTC_MC_UCODE_SIZE;
 656		regs_size = BTC_IO_MC_REGS_SIZE;
 657		break;
 658	case CHIP_CAICOS:
 659	default:
 660		io_mc_regs = (u32 *)&caicos_io_mc_regs;
 661		ucode_size = BTC_MC_UCODE_SIZE;
 662		regs_size = BTC_IO_MC_REGS_SIZE;
 663		break;
 664	case CHIP_CAYMAN:
 665		io_mc_regs = (u32 *)&cayman_io_mc_regs;
 666		ucode_size = CAYMAN_MC_UCODE_SIZE;
 667		regs_size = BTC_IO_MC_REGS_SIZE;
 668		break;
 669	}
 670
 671	mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
 672	running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
 673
 674	if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
 675		if (running) {
 676			blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
 677			WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
 678		}
 679
 680		/* reset the engine and set to writable */
 681		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
 682		WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
 683
 684		/* load mc io regs */
 685		for (i = 0; i < regs_size; i++) {
 686			WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
 687			WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
 688		}
 689		/* load the MC ucode */
 690		fw_data = (const __be32 *)rdev->mc_fw->data;
 691		for (i = 0; i < ucode_size; i++)
 692			WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
 693
 694		/* put the engine back into the active state */
 695		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
 696		WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
 697		WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
 698
 699		/* wait for training to complete */
 700		for (i = 0; i < rdev->usec_timeout; i++) {
 701			if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)
 702				break;
 703			udelay(1);
 704		}
 705
 706		if (running)
 707			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
 708	}
 709
 710	return 0;
 711}
 712
 713int ni_init_microcode(struct radeon_device *rdev)
 714{
 715	const char *chip_name;
 716	const char *rlc_chip_name;
 717	size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
 718	size_t smc_req_size = 0;
 719	char fw_name[30];
 720	int err;
 721
 722	DRM_DEBUG("\n");
 723
 724	switch (rdev->family) {
 725	case CHIP_BARTS:
 726		chip_name = "BARTS";
 727		rlc_chip_name = "BTC";
 728		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 729		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 730		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 731		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 732		smc_req_size = ALIGN(BARTS_SMC_UCODE_SIZE, 4);
 733		break;
 734	case CHIP_TURKS:
 735		chip_name = "TURKS";
 736		rlc_chip_name = "BTC";
 737		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 738		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 739		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 740		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 741		smc_req_size = ALIGN(TURKS_SMC_UCODE_SIZE, 4);
 742		break;
 743	case CHIP_CAICOS:
 744		chip_name = "CAICOS";
 745		rlc_chip_name = "BTC";
 746		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 747		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 748		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 749		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 750		smc_req_size = ALIGN(CAICOS_SMC_UCODE_SIZE, 4);
 751		break;
 752	case CHIP_CAYMAN:
 753		chip_name = "CAYMAN";
 754		rlc_chip_name = "CAYMAN";
 755		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
 756		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
 757		rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
 758		mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
 759		smc_req_size = ALIGN(CAYMAN_SMC_UCODE_SIZE, 4);
 760		break;
 761	case CHIP_ARUBA:
 762		chip_name = "ARUBA";
 763		rlc_chip_name = "ARUBA";
 764		/* pfp/me same size as CAYMAN */
 765		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
 766		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
 767		rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4;
 768		mc_req_size = 0;
 769		break;
 770	default: BUG();
 771	}
 772
 773	DRM_INFO("Loading %s Microcode\n", chip_name);
 774
 775	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
 776	err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
 777	if (err)
 778		goto out;
 779	if (rdev->pfp_fw->size != pfp_req_size) {
 780		pr_err("ni_cp: Bogus length %zu in firmware \"%s\"\n",
 
 781		       rdev->pfp_fw->size, fw_name);
 782		err = -EINVAL;
 783		goto out;
 784	}
 785
 786	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
 787	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
 788	if (err)
 789		goto out;
 790	if (rdev->me_fw->size != me_req_size) {
 791		pr_err("ni_cp: Bogus length %zu in firmware \"%s\"\n",
 
 792		       rdev->me_fw->size, fw_name);
 793		err = -EINVAL;
 794	}
 795
 796	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
 797	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
 798	if (err)
 799		goto out;
 800	if (rdev->rlc_fw->size != rlc_req_size) {
 801		pr_err("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			pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n",
 
 814			       rdev->mc_fw->size, fw_name);
 815			err = -EINVAL;
 816		}
 817	}
 818
 819	if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
 820		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
 821		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
 822		if (err) {
 823			pr_err("smc: error loading firmware \"%s\"\n", fw_name);
 
 
 824			release_firmware(rdev->smc_fw);
 825			rdev->smc_fw = NULL;
 826			err = 0;
 827		} else if (rdev->smc_fw->size != smc_req_size) {
 828			pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n",
 
 829			       rdev->mc_fw->size, fw_name);
 830			err = -EINVAL;
 831		}
 832	}
 833
 834out:
 835	if (err) {
 836		if (err != -EINVAL)
 837			pr_err("ni_cp: Failed to load firmware \"%s\"\n",
 
 838			       fw_name);
 839		release_firmware(rdev->pfp_fw);
 840		rdev->pfp_fw = NULL;
 841		release_firmware(rdev->me_fw);
 842		rdev->me_fw = NULL;
 843		release_firmware(rdev->rlc_fw);
 844		rdev->rlc_fw = NULL;
 845		release_firmware(rdev->mc_fw);
 846		rdev->mc_fw = NULL;
 847	}
 848	return err;
 849}
 850
 851/**
 852 * cayman_get_allowed_info_register - fetch the register for the info ioctl
 853 *
 854 * @rdev: radeon_device pointer
 855 * @reg: register offset in bytes
 856 * @val: register value
 857 *
 858 * Returns 0 for success or -EINVAL for an invalid register
 859 *
 860 */
 861int cayman_get_allowed_info_register(struct radeon_device *rdev,
 862				     u32 reg, u32 *val)
 863{
 864	switch (reg) {
 865	case GRBM_STATUS:
 866	case GRBM_STATUS_SE0:
 867	case GRBM_STATUS_SE1:
 868	case SRBM_STATUS:
 869	case SRBM_STATUS2:
 870	case (DMA_STATUS_REG + DMA0_REGISTER_OFFSET):
 871	case (DMA_STATUS_REG + DMA1_REGISTER_OFFSET):
 872	case UVD_STATUS:
 873		*val = RREG32(reg);
 874		return 0;
 875	default:
 876		return -EINVAL;
 877	}
 878}
 879
 880int tn_get_temp(struct radeon_device *rdev)
 881{
 882	u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff;
 883	int actual_temp = (temp / 8) - 49;
 884
 885	return actual_temp * 1000;
 886}
 887
 888/*
 889 * Core functions
 890 */
 891static void cayman_gpu_init(struct radeon_device *rdev)
 892{
 893	u32 gb_addr_config = 0;
 894	u32 mc_shared_chmap, mc_arb_ramcfg;
 895	u32 cgts_tcc_disable;
 896	u32 sx_debug_1;
 897	u32 smx_dc_ctl0;
 898	u32 cgts_sm_ctrl_reg;
 899	u32 hdp_host_path_cntl;
 900	u32 tmp;
 901	u32 disabled_rb_mask;
 902	int i, j;
 903
 904	switch (rdev->family) {
 905	case CHIP_CAYMAN:
 906		rdev->config.cayman.max_shader_engines = 2;
 907		rdev->config.cayman.max_pipes_per_simd = 4;
 908		rdev->config.cayman.max_tile_pipes = 8;
 909		rdev->config.cayman.max_simds_per_se = 12;
 910		rdev->config.cayman.max_backends_per_se = 4;
 911		rdev->config.cayman.max_texture_channel_caches = 8;
 912		rdev->config.cayman.max_gprs = 256;
 913		rdev->config.cayman.max_threads = 256;
 914		rdev->config.cayman.max_gs_threads = 32;
 915		rdev->config.cayman.max_stack_entries = 512;
 916		rdev->config.cayman.sx_num_of_sets = 8;
 917		rdev->config.cayman.sx_max_export_size = 256;
 918		rdev->config.cayman.sx_max_export_pos_size = 64;
 919		rdev->config.cayman.sx_max_export_smx_size = 192;
 920		rdev->config.cayman.max_hw_contexts = 8;
 921		rdev->config.cayman.sq_num_cf_insts = 2;
 922
 923		rdev->config.cayman.sc_prim_fifo_size = 0x100;
 924		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
 925		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
 926		gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN;
 927		break;
 928	case CHIP_ARUBA:
 929	default:
 930		rdev->config.cayman.max_shader_engines = 1;
 931		rdev->config.cayman.max_pipes_per_simd = 4;
 932		rdev->config.cayman.max_tile_pipes = 2;
 933		if ((rdev->pdev->device == 0x9900) ||
 934		    (rdev->pdev->device == 0x9901) ||
 935		    (rdev->pdev->device == 0x9905) ||
 936		    (rdev->pdev->device == 0x9906) ||
 937		    (rdev->pdev->device == 0x9907) ||
 938		    (rdev->pdev->device == 0x9908) ||
 939		    (rdev->pdev->device == 0x9909) ||
 940		    (rdev->pdev->device == 0x990B) ||
 941		    (rdev->pdev->device == 0x990C) ||
 942		    (rdev->pdev->device == 0x990F) ||
 943		    (rdev->pdev->device == 0x9910) ||
 944		    (rdev->pdev->device == 0x9917) ||
 945		    (rdev->pdev->device == 0x9999) ||
 946		    (rdev->pdev->device == 0x999C)) {
 947			rdev->config.cayman.max_simds_per_se = 6;
 948			rdev->config.cayman.max_backends_per_se = 2;
 949			rdev->config.cayman.max_hw_contexts = 8;
 950			rdev->config.cayman.sx_max_export_size = 256;
 951			rdev->config.cayman.sx_max_export_pos_size = 64;
 952			rdev->config.cayman.sx_max_export_smx_size = 192;
 953		} else if ((rdev->pdev->device == 0x9903) ||
 954			   (rdev->pdev->device == 0x9904) ||
 955			   (rdev->pdev->device == 0x990A) ||
 956			   (rdev->pdev->device == 0x990D) ||
 957			   (rdev->pdev->device == 0x990E) ||
 958			   (rdev->pdev->device == 0x9913) ||
 959			   (rdev->pdev->device == 0x9918) ||
 960			   (rdev->pdev->device == 0x999D)) {
 961			rdev->config.cayman.max_simds_per_se = 4;
 962			rdev->config.cayman.max_backends_per_se = 2;
 963			rdev->config.cayman.max_hw_contexts = 8;
 964			rdev->config.cayman.sx_max_export_size = 256;
 965			rdev->config.cayman.sx_max_export_pos_size = 64;
 966			rdev->config.cayman.sx_max_export_smx_size = 192;
 967		} else if ((rdev->pdev->device == 0x9919) ||
 968			   (rdev->pdev->device == 0x9990) ||
 969			   (rdev->pdev->device == 0x9991) ||
 970			   (rdev->pdev->device == 0x9994) ||
 971			   (rdev->pdev->device == 0x9995) ||
 972			   (rdev->pdev->device == 0x9996) ||
 973			   (rdev->pdev->device == 0x999A) ||
 974			   (rdev->pdev->device == 0x99A0)) {
 975			rdev->config.cayman.max_simds_per_se = 3;
 976			rdev->config.cayman.max_backends_per_se = 1;
 977			rdev->config.cayman.max_hw_contexts = 4;
 978			rdev->config.cayman.sx_max_export_size = 128;
 979			rdev->config.cayman.sx_max_export_pos_size = 32;
 980			rdev->config.cayman.sx_max_export_smx_size = 96;
 981		} else {
 982			rdev->config.cayman.max_simds_per_se = 2;
 983			rdev->config.cayman.max_backends_per_se = 1;
 984			rdev->config.cayman.max_hw_contexts = 4;
 985			rdev->config.cayman.sx_max_export_size = 128;
 986			rdev->config.cayman.sx_max_export_pos_size = 32;
 987			rdev->config.cayman.sx_max_export_smx_size = 96;
 988		}
 989		rdev->config.cayman.max_texture_channel_caches = 2;
 990		rdev->config.cayman.max_gprs = 256;
 991		rdev->config.cayman.max_threads = 256;
 992		rdev->config.cayman.max_gs_threads = 32;
 993		rdev->config.cayman.max_stack_entries = 512;
 994		rdev->config.cayman.sx_num_of_sets = 8;
 995		rdev->config.cayman.sq_num_cf_insts = 2;
 996
 997		rdev->config.cayman.sc_prim_fifo_size = 0x40;
 998		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
 999		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
1000		gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN;
1001		break;
1002	}
1003
1004	/* Initialize HDP */
1005	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1006		WREG32((0x2c14 + j), 0x00000000);
1007		WREG32((0x2c18 + j), 0x00000000);
1008		WREG32((0x2c1c + j), 0x00000000);
1009		WREG32((0x2c20 + j), 0x00000000);
1010		WREG32((0x2c24 + j), 0x00000000);
1011	}
1012
1013	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1014	WREG32(SRBM_INT_CNTL, 0x1);
1015	WREG32(SRBM_INT_ACK, 0x1);
1016
1017	evergreen_fix_pci_max_read_req_size(rdev);
1018
1019	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
1020	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1021
1022	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
1023	rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
1024	if (rdev->config.cayman.mem_row_size_in_kb > 4)
1025		rdev->config.cayman.mem_row_size_in_kb = 4;
1026	/* XXX use MC settings? */
1027	rdev->config.cayman.shader_engine_tile_size = 32;
1028	rdev->config.cayman.num_gpus = 1;
1029	rdev->config.cayman.multi_gpu_tile_size = 64;
1030
1031	tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
1032	rdev->config.cayman.num_tile_pipes = (1 << tmp);
1033	tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
1034	rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
1035	tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
1036	rdev->config.cayman.num_shader_engines = tmp + 1;
1037	tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
1038	rdev->config.cayman.num_gpus = tmp + 1;
1039	tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
1040	rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
1041	tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
1042	rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
1043
1044
1045	/* setup tiling info dword.  gb_addr_config is not adequate since it does
1046	 * not have bank info, so create a custom tiling dword.
1047	 * bits 3:0   num_pipes
1048	 * bits 7:4   num_banks
1049	 * bits 11:8  group_size
1050	 * bits 15:12 row_size
1051	 */
1052	rdev->config.cayman.tile_config = 0;
1053	switch (rdev->config.cayman.num_tile_pipes) {
1054	case 1:
1055	default:
1056		rdev->config.cayman.tile_config |= (0 << 0);
1057		break;
1058	case 2:
1059		rdev->config.cayman.tile_config |= (1 << 0);
1060		break;
1061	case 4:
1062		rdev->config.cayman.tile_config |= (2 << 0);
1063		break;
1064	case 8:
1065		rdev->config.cayman.tile_config |= (3 << 0);
1066		break;
1067	}
1068
1069	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
1070	if (rdev->flags & RADEON_IS_IGP)
1071		rdev->config.cayman.tile_config |= 1 << 4;
1072	else {
1073		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
1074		case 0: /* four banks */
1075			rdev->config.cayman.tile_config |= 0 << 4;
1076			break;
1077		case 1: /* eight banks */
1078			rdev->config.cayman.tile_config |= 1 << 4;
1079			break;
1080		case 2: /* sixteen banks */
1081		default:
1082			rdev->config.cayman.tile_config |= 2 << 4;
1083			break;
1084		}
1085	}
1086	rdev->config.cayman.tile_config |=
1087		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
1088	rdev->config.cayman.tile_config |=
1089		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
1090
1091	tmp = 0;
1092	for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
1093		u32 rb_disable_bitmap;
1094
1095		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1096		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1097		rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
1098		tmp <<= 4;
1099		tmp |= rb_disable_bitmap;
1100	}
1101	/* enabled rb are just the one not disabled :) */
1102	disabled_rb_mask = tmp;
1103	tmp = 0;
1104	for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1105		tmp |= (1 << i);
1106	/* if all the backends are disabled, fix it up here */
1107	if ((disabled_rb_mask & tmp) == tmp) {
1108		for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1109			disabled_rb_mask &= ~(1 << i);
1110	}
1111
1112	for (i = 0; i < rdev->config.cayman.max_shader_engines; i++) {
1113		u32 simd_disable_bitmap;
1114
1115		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1116		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1117		simd_disable_bitmap = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
1118		simd_disable_bitmap |= 0xffffffff << rdev->config.cayman.max_simds_per_se;
1119		tmp <<= 16;
1120		tmp |= simd_disable_bitmap;
1121	}
1122	rdev->config.cayman.active_simds = hweight32(~tmp);
1123
1124	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1125	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1126
1127	WREG32(GB_ADDR_CONFIG, gb_addr_config);
1128	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1129	if (ASIC_IS_DCE6(rdev))
1130		WREG32(DMIF_ADDR_CALC, gb_addr_config);
1131	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1132	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
1133	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
1134	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
1135	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
1136	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
1137
1138	if ((rdev->config.cayman.max_backends_per_se == 1) &&
1139	    (rdev->flags & RADEON_IS_IGP)) {
1140		if ((disabled_rb_mask & 3) == 2) {
1141			/* RB1 disabled, RB0 enabled */
1142			tmp = 0x00000000;
1143		} else {
1144			/* RB0 disabled, RB1 enabled */
1145			tmp = 0x11111111;
1146		}
1147	} else {
1148		tmp = gb_addr_config & NUM_PIPES_MASK;
1149		tmp = r6xx_remap_render_backend(rdev, tmp,
1150						rdev->config.cayman.max_backends_per_se *
1151						rdev->config.cayman.max_shader_engines,
1152						CAYMAN_MAX_BACKENDS, disabled_rb_mask);
1153	}
1154	rdev->config.cayman.backend_map = tmp;
1155	WREG32(GB_BACKEND_MAP, tmp);
1156
1157	cgts_tcc_disable = 0xffff0000;
1158	for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
1159		cgts_tcc_disable &= ~(1 << (16 + i));
1160	WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
1161	WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
1162	WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
1163	WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
1164
1165	/* reprogram the shader complex */
1166	cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
1167	for (i = 0; i < 16; i++)
1168		WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
1169	WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
1170
1171	/* set HW defaults for 3D engine */
1172	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
1173
1174	sx_debug_1 = RREG32(SX_DEBUG_1);
1175	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1176	WREG32(SX_DEBUG_1, sx_debug_1);
1177
1178	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1179	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1180	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
1181	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1182
1183	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
1184
1185	/* need to be explicitly zero-ed */
1186	WREG32(VGT_OFFCHIP_LDS_BASE, 0);
1187	WREG32(SQ_LSTMP_RING_BASE, 0);
1188	WREG32(SQ_HSTMP_RING_BASE, 0);
1189	WREG32(SQ_ESTMP_RING_BASE, 0);
1190	WREG32(SQ_GSTMP_RING_BASE, 0);
1191	WREG32(SQ_VSTMP_RING_BASE, 0);
1192	WREG32(SQ_PSTMP_RING_BASE, 0);
1193
1194	WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
1195
1196	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
1197					POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
1198					SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
1199
1200	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
1201				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
1202				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
1203
1204
1205	WREG32(VGT_NUM_INSTANCES, 1);
1206
1207	WREG32(CP_PERFMON_CNTL, 0);
1208
1209	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
1210				  FETCH_FIFO_HIWATER(0x4) |
1211				  DONE_FIFO_HIWATER(0xe0) |
1212				  ALU_UPDATE_FIFO_HIWATER(0x8)));
1213
1214	WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
1215	WREG32(SQ_CONFIG, (VC_ENABLE |
1216			   EXPORT_SRC_C |
1217			   GFX_PRIO(0) |
1218			   CS1_PRIO(0) |
1219			   CS2_PRIO(1)));
1220	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
1221
1222	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1223					  FORCE_EOV_MAX_REZ_CNT(255)));
1224
1225	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
1226	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
1227
1228	WREG32(VGT_GS_VERTEX_REUSE, 16);
1229	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1230
1231	WREG32(CB_PERF_CTR0_SEL_0, 0);
1232	WREG32(CB_PERF_CTR0_SEL_1, 0);
1233	WREG32(CB_PERF_CTR1_SEL_0, 0);
1234	WREG32(CB_PERF_CTR1_SEL_1, 0);
1235	WREG32(CB_PERF_CTR2_SEL_0, 0);
1236	WREG32(CB_PERF_CTR2_SEL_1, 0);
1237	WREG32(CB_PERF_CTR3_SEL_0, 0);
1238	WREG32(CB_PERF_CTR3_SEL_1, 0);
1239
1240	tmp = RREG32(HDP_MISC_CNTL);
1241	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
1242	WREG32(HDP_MISC_CNTL, tmp);
1243
1244	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1245	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1246
1247	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1248
1249	udelay(50);
1250
1251	/* set clockgating golden values on TN */
1252	if (rdev->family == CHIP_ARUBA) {
1253		tmp = RREG32_CG(CG_CGTT_LOCAL_0);
1254		tmp &= ~0x00380000;
1255		WREG32_CG(CG_CGTT_LOCAL_0, tmp);
1256		tmp = RREG32_CG(CG_CGTT_LOCAL_1);
1257		tmp &= ~0x0e000000;
1258		WREG32_CG(CG_CGTT_LOCAL_1, tmp);
1259	}
1260}
1261
1262/*
1263 * GART
1264 */
1265void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
1266{
1267	/* flush hdp cache */
1268	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1269
1270	/* bits 0-7 are the VM contexts0-7 */
1271	WREG32(VM_INVALIDATE_REQUEST, 1);
1272}
1273
1274static int cayman_pcie_gart_enable(struct radeon_device *rdev)
1275{
1276	int i, r;
1277
1278	if (rdev->gart.robj == NULL) {
1279		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1280		return -EINVAL;
1281	}
1282	r = radeon_gart_table_vram_pin(rdev);
1283	if (r)
1284		return r;
1285	/* Setup TLB control */
1286	WREG32(MC_VM_MX_L1_TLB_CNTL,
1287	       (0xA << 7) |
1288	       ENABLE_L1_TLB |
1289	       ENABLE_L1_FRAGMENT_PROCESSING |
1290	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1291	       ENABLE_ADVANCED_DRIVER_MODEL |
1292	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1293	/* Setup L2 cache */
1294	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
1295	       ENABLE_L2_FRAGMENT_PROCESSING |
1296	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1297	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1298	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1299	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1300	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
1301	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1302	       BANK_SELECT(6) |
1303	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1304	/* setup context0 */
1305	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1306	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1307	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1308	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1309			(u32)(rdev->dummy_page.addr >> 12));
1310	WREG32(VM_CONTEXT0_CNTL2, 0);
1311	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1312				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1313
1314	WREG32(0x15D4, 0);
1315	WREG32(0x15D8, 0);
1316	WREG32(0x15DC, 0);
1317
1318	/* empty context1-7 */
1319	/* Assign the pt base to something valid for now; the pts used for
1320	 * the VMs are determined by the application and setup and assigned
1321	 * on the fly in the vm part of radeon_gart.c
1322	 */
1323	for (i = 1; i < 8; i++) {
1324		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
1325		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2),
1326			rdev->vm_manager.max_pfn - 1);
1327		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
1328		       rdev->vm_manager.saved_table_addr[i]);
1329	}
1330
1331	/* enable context1-7 */
1332	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
1333	       (u32)(rdev->dummy_page.addr >> 12));
1334	WREG32(VM_CONTEXT1_CNTL2, 4);
1335	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
1336				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
1337				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1338				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1339				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1340				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1341				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
1342				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
1343				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
1344				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
1345				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
1346				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
1347				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1348				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
1349
1350	cayman_pcie_gart_tlb_flush(rdev);
1351	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1352		 (unsigned)(rdev->mc.gtt_size >> 20),
1353		 (unsigned long long)rdev->gart.table_addr);
1354	rdev->gart.ready = true;
1355	return 0;
1356}
1357
1358static void cayman_pcie_gart_disable(struct radeon_device *rdev)
1359{
1360	unsigned i;
1361
1362	for (i = 1; i < 8; ++i) {
1363		rdev->vm_manager.saved_table_addr[i] = RREG32(
1364			VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2));
1365	}
1366
1367	/* Disable all tables */
1368	WREG32(VM_CONTEXT0_CNTL, 0);
1369	WREG32(VM_CONTEXT1_CNTL, 0);
1370	/* Setup TLB control */
1371	WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1372	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1373	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1374	/* Setup L2 cache */
1375	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1376	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1377	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1378	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1379	WREG32(VM_L2_CNTL2, 0);
1380	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1381	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1382	radeon_gart_table_vram_unpin(rdev);
1383}
1384
1385static void cayman_pcie_gart_fini(struct radeon_device *rdev)
1386{
1387	cayman_pcie_gart_disable(rdev);
1388	radeon_gart_table_vram_free(rdev);
1389	radeon_gart_fini(rdev);
1390}
1391
1392void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
1393			      int ring, u32 cp_int_cntl)
1394{
1395	WREG32(SRBM_GFX_CNTL, RINGID(ring));
 
 
1396	WREG32(CP_INT_CNTL, cp_int_cntl);
1397}
1398
1399/*
1400 * CP.
1401 */
1402void cayman_fence_ring_emit(struct radeon_device *rdev,
1403			    struct radeon_fence *fence)
1404{
1405	struct radeon_ring *ring = &rdev->ring[fence->ring];
1406	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
1407	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1408		PACKET3_SH_ACTION_ENA;
1409
1410	/* flush read cache over gart for this vmid */
1411	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1412	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1413	radeon_ring_write(ring, 0xFFFFFFFF);
1414	radeon_ring_write(ring, 0);
1415	radeon_ring_write(ring, 10); /* poll interval */
1416	/* EVENT_WRITE_EOP - flush caches, send int */
1417	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1418	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1419	radeon_ring_write(ring, lower_32_bits(addr));
1420	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1421	radeon_ring_write(ring, fence->seq);
1422	radeon_ring_write(ring, 0);
1423}
1424
1425void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1426{
1427	struct radeon_ring *ring = &rdev->ring[ib->ring];
1428	unsigned vm_id = ib->vm ? ib->vm->ids[ib->ring].id : 0;
1429	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1430		PACKET3_SH_ACTION_ENA;
1431
1432	/* set to DX10/11 mode */
1433	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1434	radeon_ring_write(ring, 1);
1435
1436	if (ring->rptr_save_reg) {
1437		uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
1438		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1439		radeon_ring_write(ring, ((ring->rptr_save_reg - 
1440					  PACKET3_SET_CONFIG_REG_START) >> 2));
1441		radeon_ring_write(ring, next_rptr);
1442	}
1443
1444	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1445	radeon_ring_write(ring,
1446#ifdef __BIG_ENDIAN
1447			  (2 << 0) |
1448#endif
1449			  (ib->gpu_addr & 0xFFFFFFFC));
1450	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1451	radeon_ring_write(ring, ib->length_dw | (vm_id << 24));
1452
1453	/* flush read cache over gart for this vmid */
1454	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1455	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1456	radeon_ring_write(ring, 0xFFFFFFFF);
1457	radeon_ring_write(ring, 0);
1458	radeon_ring_write(ring, (vm_id << 24) | 10); /* poll interval */
1459}
1460
1461static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1462{
1463	if (enable)
1464		WREG32(CP_ME_CNTL, 0);
1465	else {
1466		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1467			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1468		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1469		WREG32(SCRATCH_UMSK, 0);
1470		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1471	}
1472}
1473
1474u32 cayman_gfx_get_rptr(struct radeon_device *rdev,
1475			struct radeon_ring *ring)
1476{
1477	u32 rptr;
1478
1479	if (rdev->wb.enabled)
1480		rptr = rdev->wb.wb[ring->rptr_offs/4];
1481	else {
1482		if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1483			rptr = RREG32(CP_RB0_RPTR);
1484		else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1485			rptr = RREG32(CP_RB1_RPTR);
1486		else
1487			rptr = RREG32(CP_RB2_RPTR);
1488	}
1489
1490	return rptr;
1491}
1492
1493u32 cayman_gfx_get_wptr(struct radeon_device *rdev,
1494			struct radeon_ring *ring)
1495{
1496	u32 wptr;
1497
1498	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1499		wptr = RREG32(CP_RB0_WPTR);
1500	else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1501		wptr = RREG32(CP_RB1_WPTR);
1502	else
1503		wptr = RREG32(CP_RB2_WPTR);
1504
1505	return wptr;
1506}
1507
1508void cayman_gfx_set_wptr(struct radeon_device *rdev,
1509			 struct radeon_ring *ring)
1510{
1511	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) {
1512		WREG32(CP_RB0_WPTR, ring->wptr);
1513		(void)RREG32(CP_RB0_WPTR);
1514	} else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) {
1515		WREG32(CP_RB1_WPTR, ring->wptr);
1516		(void)RREG32(CP_RB1_WPTR);
1517	} else {
1518		WREG32(CP_RB2_WPTR, ring->wptr);
1519		(void)RREG32(CP_RB2_WPTR);
1520	}
1521}
1522
1523static int cayman_cp_load_microcode(struct radeon_device *rdev)
1524{
1525	const __be32 *fw_data;
1526	int i;
1527
1528	if (!rdev->me_fw || !rdev->pfp_fw)
1529		return -EINVAL;
1530
1531	cayman_cp_enable(rdev, false);
1532
1533	fw_data = (const __be32 *)rdev->pfp_fw->data;
1534	WREG32(CP_PFP_UCODE_ADDR, 0);
1535	for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1536		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1537	WREG32(CP_PFP_UCODE_ADDR, 0);
1538
1539	fw_data = (const __be32 *)rdev->me_fw->data;
1540	WREG32(CP_ME_RAM_WADDR, 0);
1541	for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1542		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1543
1544	WREG32(CP_PFP_UCODE_ADDR, 0);
1545	WREG32(CP_ME_RAM_WADDR, 0);
1546	WREG32(CP_ME_RAM_RADDR, 0);
1547	return 0;
1548}
1549
1550static int cayman_cp_start(struct radeon_device *rdev)
1551{
1552	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1553	int r, i;
1554
1555	r = radeon_ring_lock(rdev, ring, 7);
1556	if (r) {
1557		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1558		return r;
1559	}
1560	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1561	radeon_ring_write(ring, 0x1);
1562	radeon_ring_write(ring, 0x0);
1563	radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
1564	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1565	radeon_ring_write(ring, 0);
1566	radeon_ring_write(ring, 0);
1567	radeon_ring_unlock_commit(rdev, ring, false);
1568
1569	cayman_cp_enable(rdev, true);
1570
1571	r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
1572	if (r) {
1573		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1574		return r;
1575	}
1576
1577	/* setup clear context state */
1578	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1579	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1580
1581	for (i = 0; i < cayman_default_size; i++)
1582		radeon_ring_write(ring, cayman_default_state[i]);
1583
1584	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1585	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1586
1587	/* set clear context state */
1588	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1589	radeon_ring_write(ring, 0);
1590
1591	/* SQ_VTX_BASE_VTX_LOC */
1592	radeon_ring_write(ring, 0xc0026f00);
1593	radeon_ring_write(ring, 0x00000000);
1594	radeon_ring_write(ring, 0x00000000);
1595	radeon_ring_write(ring, 0x00000000);
1596
1597	/* Clear consts */
1598	radeon_ring_write(ring, 0xc0036f00);
1599	radeon_ring_write(ring, 0x00000bc4);
1600	radeon_ring_write(ring, 0xffffffff);
1601	radeon_ring_write(ring, 0xffffffff);
1602	radeon_ring_write(ring, 0xffffffff);
1603
1604	radeon_ring_write(ring, 0xc0026900);
1605	radeon_ring_write(ring, 0x00000316);
1606	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1607	radeon_ring_write(ring, 0x00000010); /*  */
1608
1609	radeon_ring_unlock_commit(rdev, ring, false);
1610
1611	/* XXX init other rings */
1612
1613	return 0;
1614}
1615
1616static void cayman_cp_fini(struct radeon_device *rdev)
1617{
1618	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1619	cayman_cp_enable(rdev, false);
1620	radeon_ring_fini(rdev, ring);
1621	radeon_scratch_free(rdev, ring->rptr_save_reg);
1622}
1623
1624static int cayman_cp_resume(struct radeon_device *rdev)
1625{
1626	static const int ridx[] = {
1627		RADEON_RING_TYPE_GFX_INDEX,
1628		CAYMAN_RING_TYPE_CP1_INDEX,
1629		CAYMAN_RING_TYPE_CP2_INDEX
1630	};
1631	static const unsigned cp_rb_cntl[] = {
1632		CP_RB0_CNTL,
1633		CP_RB1_CNTL,
1634		CP_RB2_CNTL,
1635	};
1636	static const unsigned cp_rb_rptr_addr[] = {
1637		CP_RB0_RPTR_ADDR,
1638		CP_RB1_RPTR_ADDR,
1639		CP_RB2_RPTR_ADDR
1640	};
1641	static const unsigned cp_rb_rptr_addr_hi[] = {
1642		CP_RB0_RPTR_ADDR_HI,
1643		CP_RB1_RPTR_ADDR_HI,
1644		CP_RB2_RPTR_ADDR_HI
1645	};
1646	static const unsigned cp_rb_base[] = {
1647		CP_RB0_BASE,
1648		CP_RB1_BASE,
1649		CP_RB2_BASE
1650	};
1651	static const unsigned cp_rb_rptr[] = {
1652		CP_RB0_RPTR,
1653		CP_RB1_RPTR,
1654		CP_RB2_RPTR
1655	};
1656	static const unsigned cp_rb_wptr[] = {
1657		CP_RB0_WPTR,
1658		CP_RB1_WPTR,
1659		CP_RB2_WPTR
1660	};
1661	struct radeon_ring *ring;
1662	int i, r;
1663
1664	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1665	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1666				 SOFT_RESET_PA |
1667				 SOFT_RESET_SH |
1668				 SOFT_RESET_VGT |
1669				 SOFT_RESET_SPI |
1670				 SOFT_RESET_SX));
1671	RREG32(GRBM_SOFT_RESET);
1672	mdelay(15);
1673	WREG32(GRBM_SOFT_RESET, 0);
1674	RREG32(GRBM_SOFT_RESET);
1675
1676	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1677	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1678
1679	/* Set the write pointer delay */
1680	WREG32(CP_RB_WPTR_DELAY, 0);
1681
1682	WREG32(CP_DEBUG, (1 << 27));
1683
1684	/* set the wb address whether it's enabled or not */
1685	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1686	WREG32(SCRATCH_UMSK, 0xff);
1687
1688	for (i = 0; i < 3; ++i) {
1689		uint32_t rb_cntl;
1690		uint64_t addr;
1691
1692		/* Set ring buffer size */
1693		ring = &rdev->ring[ridx[i]];
1694		rb_cntl = order_base_2(ring->ring_size / 8);
1695		rb_cntl |= order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8;
1696#ifdef __BIG_ENDIAN
1697		rb_cntl |= BUF_SWAP_32BIT;
1698#endif
1699		WREG32(cp_rb_cntl[i], rb_cntl);
1700
1701		/* set the wb address whether it's enabled or not */
1702		addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1703		WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1704		WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1705	}
1706
1707	/* set the rb base addr, this causes an internal reset of ALL rings */
1708	for (i = 0; i < 3; ++i) {
1709		ring = &rdev->ring[ridx[i]];
1710		WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1711	}
1712
1713	for (i = 0; i < 3; ++i) {
1714		/* Initialize the ring buffer's read and write pointers */
1715		ring = &rdev->ring[ridx[i]];
1716		WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1717
1718		ring->wptr = 0;
1719		WREG32(cp_rb_rptr[i], 0);
1720		WREG32(cp_rb_wptr[i], ring->wptr);
1721
1722		mdelay(1);
1723		WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1724	}
1725
1726	/* start the rings */
1727	cayman_cp_start(rdev);
1728	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1729	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1730	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1731	/* this only test cp0 */
1732	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1733	if (r) {
1734		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1735		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1736		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1737		return r;
1738	}
1739
1740	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1741		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1742
1743	return 0;
1744}
1745
1746u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
1747{
1748	u32 reset_mask = 0;
1749	u32 tmp;
1750
1751	/* GRBM_STATUS */
1752	tmp = RREG32(GRBM_STATUS);
1753	if (tmp & (PA_BUSY | SC_BUSY |
1754		   SH_BUSY | SX_BUSY |
1755		   TA_BUSY | VGT_BUSY |
1756		   DB_BUSY | CB_BUSY |
1757		   GDS_BUSY | SPI_BUSY |
1758		   IA_BUSY | IA_BUSY_NO_DMA))
1759		reset_mask |= RADEON_RESET_GFX;
1760
1761	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
1762		   CP_BUSY | CP_COHERENCY_BUSY))
1763		reset_mask |= RADEON_RESET_CP;
1764
1765	if (tmp & GRBM_EE_BUSY)
1766		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1767
1768	/* DMA_STATUS_REG 0 */
1769	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
1770	if (!(tmp & DMA_IDLE))
1771		reset_mask |= RADEON_RESET_DMA;
1772
1773	/* DMA_STATUS_REG 1 */
1774	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
1775	if (!(tmp & DMA_IDLE))
1776		reset_mask |= RADEON_RESET_DMA1;
1777
1778	/* SRBM_STATUS2 */
1779	tmp = RREG32(SRBM_STATUS2);
1780	if (tmp & DMA_BUSY)
1781		reset_mask |= RADEON_RESET_DMA;
1782
1783	if (tmp & DMA1_BUSY)
1784		reset_mask |= RADEON_RESET_DMA1;
1785
1786	/* SRBM_STATUS */
1787	tmp = RREG32(SRBM_STATUS);
1788	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
1789		reset_mask |= RADEON_RESET_RLC;
1790
1791	if (tmp & IH_BUSY)
1792		reset_mask |= RADEON_RESET_IH;
1793
1794	if (tmp & SEM_BUSY)
1795		reset_mask |= RADEON_RESET_SEM;
1796
1797	if (tmp & GRBM_RQ_PENDING)
1798		reset_mask |= RADEON_RESET_GRBM;
1799
1800	if (tmp & VMC_BUSY)
1801		reset_mask |= RADEON_RESET_VMC;
1802
1803	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
1804		   MCC_BUSY | MCD_BUSY))
1805		reset_mask |= RADEON_RESET_MC;
1806
1807	if (evergreen_is_display_hung(rdev))
1808		reset_mask |= RADEON_RESET_DISPLAY;
1809
1810	/* VM_L2_STATUS */
1811	tmp = RREG32(VM_L2_STATUS);
1812	if (tmp & L2_BUSY)
1813		reset_mask |= RADEON_RESET_VMC;
1814
1815	/* Skip MC reset as it's mostly likely not hung, just busy */
1816	if (reset_mask & RADEON_RESET_MC) {
1817		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1818		reset_mask &= ~RADEON_RESET_MC;
1819	}
1820
1821	return reset_mask;
1822}
1823
1824static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1825{
1826	struct evergreen_mc_save save;
1827	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1828	u32 tmp;
1829
1830	if (reset_mask == 0)
1831		return;
1832
1833	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1834
1835	evergreen_print_gpu_status_regs(rdev);
1836	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1837		 RREG32(0x14F8));
1838	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1839		 RREG32(0x14D8));
1840	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1841		 RREG32(0x14FC));
1842	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1843		 RREG32(0x14DC));
1844
1845	/* Disable CP parsing/prefetching */
1846	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1847
1848	if (reset_mask & RADEON_RESET_DMA) {
1849		/* dma0 */
1850		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1851		tmp &= ~DMA_RB_ENABLE;
1852		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
1853	}
1854
1855	if (reset_mask & RADEON_RESET_DMA1) {
1856		/* dma1 */
1857		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1858		tmp &= ~DMA_RB_ENABLE;
1859		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
1860	}
1861
1862	udelay(50);
1863
1864	evergreen_mc_stop(rdev, &save);
1865	if (evergreen_mc_wait_for_idle(rdev)) {
1866		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1867	}
1868
1869	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1870		grbm_soft_reset = SOFT_RESET_CB |
1871			SOFT_RESET_DB |
1872			SOFT_RESET_GDS |
1873			SOFT_RESET_PA |
1874			SOFT_RESET_SC |
1875			SOFT_RESET_SPI |
1876			SOFT_RESET_SH |
1877			SOFT_RESET_SX |
1878			SOFT_RESET_TC |
1879			SOFT_RESET_TA |
1880			SOFT_RESET_VGT |
1881			SOFT_RESET_IA;
1882	}
1883
1884	if (reset_mask & RADEON_RESET_CP) {
1885		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
1886
1887		srbm_soft_reset |= SOFT_RESET_GRBM;
1888	}
1889
1890	if (reset_mask & RADEON_RESET_DMA)
1891		srbm_soft_reset |= SOFT_RESET_DMA;
1892
1893	if (reset_mask & RADEON_RESET_DMA1)
1894		srbm_soft_reset |= SOFT_RESET_DMA1;
1895
1896	if (reset_mask & RADEON_RESET_DISPLAY)
1897		srbm_soft_reset |= SOFT_RESET_DC;
1898
1899	if (reset_mask & RADEON_RESET_RLC)
1900		srbm_soft_reset |= SOFT_RESET_RLC;
1901
1902	if (reset_mask & RADEON_RESET_SEM)
1903		srbm_soft_reset |= SOFT_RESET_SEM;
1904
1905	if (reset_mask & RADEON_RESET_IH)
1906		srbm_soft_reset |= SOFT_RESET_IH;
1907
1908	if (reset_mask & RADEON_RESET_GRBM)
1909		srbm_soft_reset |= SOFT_RESET_GRBM;
1910
1911	if (reset_mask & RADEON_RESET_VMC)
1912		srbm_soft_reset |= SOFT_RESET_VMC;
1913
1914	if (!(rdev->flags & RADEON_IS_IGP)) {
1915		if (reset_mask & RADEON_RESET_MC)
1916			srbm_soft_reset |= SOFT_RESET_MC;
1917	}
1918
1919	if (grbm_soft_reset) {
1920		tmp = RREG32(GRBM_SOFT_RESET);
1921		tmp |= grbm_soft_reset;
1922		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
1923		WREG32(GRBM_SOFT_RESET, tmp);
1924		tmp = RREG32(GRBM_SOFT_RESET);
1925
1926		udelay(50);
1927
1928		tmp &= ~grbm_soft_reset;
1929		WREG32(GRBM_SOFT_RESET, tmp);
1930		tmp = RREG32(GRBM_SOFT_RESET);
1931	}
1932
1933	if (srbm_soft_reset) {
1934		tmp = RREG32(SRBM_SOFT_RESET);
1935		tmp |= srbm_soft_reset;
1936		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1937		WREG32(SRBM_SOFT_RESET, tmp);
1938		tmp = RREG32(SRBM_SOFT_RESET);
1939
1940		udelay(50);
1941
1942		tmp &= ~srbm_soft_reset;
1943		WREG32(SRBM_SOFT_RESET, tmp);
1944		tmp = RREG32(SRBM_SOFT_RESET);
1945	}
1946
1947	/* Wait a little for things to settle down */
1948	udelay(50);
1949
1950	evergreen_mc_resume(rdev, &save);
1951	udelay(50);
1952
1953	evergreen_print_gpu_status_regs(rdev);
1954}
1955
1956int cayman_asic_reset(struct radeon_device *rdev, bool hard)
1957{
1958	u32 reset_mask;
1959
1960	if (hard) {
1961		evergreen_gpu_pci_config_reset(rdev);
1962		return 0;
1963	}
1964
1965	reset_mask = cayman_gpu_check_soft_reset(rdev);
1966
1967	if (reset_mask)
1968		r600_set_bios_scratch_engine_hung(rdev, true);
1969
1970	cayman_gpu_soft_reset(rdev, reset_mask);
1971
1972	reset_mask = cayman_gpu_check_soft_reset(rdev);
1973
1974	if (reset_mask)
1975		evergreen_gpu_pci_config_reset(rdev);
1976
1977	r600_set_bios_scratch_engine_hung(rdev, false);
1978
1979	return 0;
1980}
1981
1982/**
1983 * cayman_gfx_is_lockup - Check if the GFX engine is locked up
1984 *
1985 * @rdev: radeon_device pointer
1986 * @ring: radeon_ring structure holding ring information
1987 *
1988 * Check if the GFX engine is locked up.
1989 * Returns true if the engine appears to be locked up, false if not.
1990 */
1991bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1992{
1993	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
1994
1995	if (!(reset_mask & (RADEON_RESET_GFX |
1996			    RADEON_RESET_COMPUTE |
1997			    RADEON_RESET_CP))) {
1998		radeon_ring_lockup_update(rdev, ring);
1999		return false;
2000	}
2001	return radeon_ring_test_lockup(rdev, ring);
2002}
2003
2004static void cayman_uvd_init(struct radeon_device *rdev)
2005{
2006	int r;
2007
2008	if (!rdev->has_uvd)
2009		return;
2010
2011	r = radeon_uvd_init(rdev);
2012	if (r) {
2013		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
2014		/*
2015		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
2016		 * to early fails uvd_v2_2_resume() and thus nothing happens
2017		 * there. So it is pointless to try to go through that code
2018		 * hence why we disable uvd here.
2019		 */
2020		rdev->has_uvd = 0;
2021		return;
2022	}
2023	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
2024	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
2025}
2026
2027static void cayman_uvd_start(struct radeon_device *rdev)
2028{
2029	int r;
2030
2031	if (!rdev->has_uvd)
2032		return;
2033
2034	r = uvd_v2_2_resume(rdev);
2035	if (r) {
2036		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
2037		goto error;
2038	}
2039	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
2040	if (r) {
2041		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
2042		goto error;
2043	}
2044	return;
2045
2046error:
2047	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
2048}
2049
2050static void cayman_uvd_resume(struct radeon_device *rdev)
2051{
2052	struct radeon_ring *ring;
2053	int r;
2054
2055	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
2056		return;
2057
2058	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2059	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0));
2060	if (r) {
2061		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
2062		return;
2063	}
2064	r = uvd_v1_0_init(rdev);
2065	if (r) {
2066		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
2067		return;
2068	}
2069}
2070
2071static void cayman_vce_init(struct radeon_device *rdev)
2072{
2073	int r;
2074
2075	/* Only set for CHIP_ARUBA */
2076	if (!rdev->has_vce)
2077		return;
2078
2079	r = radeon_vce_init(rdev);
2080	if (r) {
2081		dev_err(rdev->dev, "failed VCE (%d) init.\n", r);
2082		/*
2083		 * At this point rdev->vce.vcpu_bo is NULL which trickles down
2084		 * to early fails cayman_vce_start() and thus nothing happens
2085		 * there. So it is pointless to try to go through that code
2086		 * hence why we disable vce here.
2087		 */
2088		rdev->has_vce = 0;
2089		return;
2090	}
2091	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_obj = NULL;
2092	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE1_INDEX], 4096);
2093	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_obj = NULL;
2094	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE2_INDEX], 4096);
2095}
2096
2097static void cayman_vce_start(struct radeon_device *rdev)
2098{
2099	int r;
2100
2101	if (!rdev->has_vce)
2102		return;
2103
2104	r = radeon_vce_resume(rdev);
2105	if (r) {
2106		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
2107		goto error;
2108	}
2109	r = vce_v1_0_resume(rdev);
2110	if (r) {
2111		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
2112		goto error;
2113	}
2114	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE1_INDEX);
2115	if (r) {
2116		dev_err(rdev->dev, "failed initializing VCE1 fences (%d).\n", r);
2117		goto error;
2118	}
2119	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE2_INDEX);
2120	if (r) {
2121		dev_err(rdev->dev, "failed initializing VCE2 fences (%d).\n", r);
2122		goto error;
2123	}
2124	return;
2125
2126error:
2127	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size = 0;
2128	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_size = 0;
2129}
2130
2131static void cayman_vce_resume(struct radeon_device *rdev)
2132{
2133	struct radeon_ring *ring;
2134	int r;
2135
2136	if (!rdev->has_vce || !rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size)
2137		return;
2138
2139	ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
2140	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2141	if (r) {
2142		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
2143		return;
2144	}
2145	ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
2146	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2147	if (r) {
2148		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
2149		return;
2150	}
2151	r = vce_v1_0_init(rdev);
2152	if (r) {
2153		dev_err(rdev->dev, "failed initializing VCE (%d).\n", r);
2154		return;
2155	}
2156}
2157
2158static int cayman_startup(struct radeon_device *rdev)
2159{
2160	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2161	int r;
2162
2163	/* enable pcie gen2 link */
2164	evergreen_pcie_gen2_enable(rdev);
2165	/* enable aspm */
2166	evergreen_program_aspm(rdev);
2167
2168	/* scratch needs to be initialized before MC */
2169	r = r600_vram_scratch_init(rdev);
2170	if (r)
2171		return r;
2172
2173	evergreen_mc_program(rdev);
2174
2175	if (!(rdev->flags & RADEON_IS_IGP) && !rdev->pm.dpm_enabled) {
2176		r = ni_mc_load_microcode(rdev);
2177		if (r) {
2178			DRM_ERROR("Failed to load MC firmware!\n");
2179			return r;
2180		}
2181	}
2182
2183	r = cayman_pcie_gart_enable(rdev);
2184	if (r)
2185		return r;
2186	cayman_gpu_init(rdev);
2187
2188	/* allocate rlc buffers */
2189	if (rdev->flags & RADEON_IS_IGP) {
2190		rdev->rlc.reg_list = tn_rlc_save_restore_register_list;
2191		rdev->rlc.reg_list_size =
2192			(u32)ARRAY_SIZE(tn_rlc_save_restore_register_list);
2193		rdev->rlc.cs_data = cayman_cs_data;
2194		r = sumo_rlc_init(rdev);
2195		if (r) {
2196			DRM_ERROR("Failed to init rlc BOs!\n");
2197			return r;
2198		}
2199	}
2200
2201	/* allocate wb buffer */
2202	r = radeon_wb_init(rdev);
2203	if (r)
2204		return r;
2205
2206	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
2207	if (r) {
2208		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2209		return r;
2210	}
2211
2212	cayman_uvd_start(rdev);
2213	cayman_vce_start(rdev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2214
2215	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
2216	if (r) {
2217		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2218		return r;
2219	}
2220
2221	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
2222	if (r) {
2223		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2224		return r;
2225	}
2226
2227	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
2228	if (r) {
2229		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2230		return r;
2231	}
2232
2233	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
2234	if (r) {
2235		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2236		return r;
2237	}
2238
2239	/* Enable IRQ */
2240	if (!rdev->irq.installed) {
2241		r = radeon_irq_kms_init(rdev);
2242		if (r)
2243			return r;
2244	}
2245
2246	r = r600_irq_init(rdev);
2247	if (r) {
2248		DRM_ERROR("radeon: IH init failed (%d).\n", r);
2249		radeon_irq_kms_fini(rdev);
2250		return r;
2251	}
2252	evergreen_irq_set(rdev);
2253
2254	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
2255			     RADEON_CP_PACKET2);
2256	if (r)
2257		return r;
2258
2259	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2260	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
2261			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2262	if (r)
2263		return r;
2264
2265	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2266	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
2267			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2268	if (r)
2269		return r;
2270
2271	r = cayman_cp_load_microcode(rdev);
2272	if (r)
2273		return r;
2274	r = cayman_cp_resume(rdev);
2275	if (r)
2276		return r;
2277
2278	r = cayman_dma_resume(rdev);
2279	if (r)
2280		return r;
2281
2282	cayman_uvd_resume(rdev);
2283	cayman_vce_resume(rdev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2284
2285	r = radeon_ib_pool_init(rdev);
2286	if (r) {
2287		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2288		return r;
2289	}
2290
2291	r = radeon_vm_manager_init(rdev);
2292	if (r) {
2293		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
2294		return r;
2295	}
2296
2297	r = radeon_audio_init(rdev);
2298	if (r)
2299		return r;
2300
2301	return 0;
2302}
2303
2304int cayman_resume(struct radeon_device *rdev)
2305{
2306	int r;
2307
2308	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2309	 * posting will perform necessary task to bring back GPU into good
2310	 * shape.
2311	 */
2312	/* post card */
2313	atom_asic_init(rdev->mode_info.atom_context);
2314
2315	/* init golden registers */
2316	ni_init_golden_registers(rdev);
2317
2318	if (rdev->pm.pm_method == PM_METHOD_DPM)
2319		radeon_pm_resume(rdev);
2320
2321	rdev->accel_working = true;
2322	r = cayman_startup(rdev);
2323	if (r) {
2324		DRM_ERROR("cayman startup failed on resume\n");
2325		rdev->accel_working = false;
2326		return r;
2327	}
2328	return r;
2329}
2330
2331int cayman_suspend(struct radeon_device *rdev)
2332{
2333	radeon_pm_suspend(rdev);
2334	radeon_audio_fini(rdev);
2335	radeon_vm_manager_fini(rdev);
2336	cayman_cp_enable(rdev, false);
2337	cayman_dma_stop(rdev);
2338	if (rdev->has_uvd) {
2339		uvd_v1_0_fini(rdev);
2340		radeon_uvd_suspend(rdev);
2341	}
2342	evergreen_irq_suspend(rdev);
2343	radeon_wb_disable(rdev);
2344	cayman_pcie_gart_disable(rdev);
2345	return 0;
2346}
2347
2348/* Plan is to move initialization in that function and use
2349 * helper function so that radeon_device_init pretty much
2350 * do nothing more than calling asic specific function. This
2351 * should also allow to remove a bunch of callback function
2352 * like vram_info.
2353 */
2354int cayman_init(struct radeon_device *rdev)
2355{
2356	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2357	int r;
2358
2359	/* Read BIOS */
2360	if (!radeon_get_bios(rdev)) {
2361		if (ASIC_IS_AVIVO(rdev))
2362			return -EINVAL;
2363	}
2364	/* Must be an ATOMBIOS */
2365	if (!rdev->is_atom_bios) {
2366		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
2367		return -EINVAL;
2368	}
2369	r = radeon_atombios_init(rdev);
2370	if (r)
2371		return r;
2372
2373	/* Post card if necessary */
2374	if (!radeon_card_posted(rdev)) {
2375		if (!rdev->bios) {
2376			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2377			return -EINVAL;
2378		}
2379		DRM_INFO("GPU not posted. posting now...\n");
2380		atom_asic_init(rdev->mode_info.atom_context);
2381	}
2382	/* init golden registers */
2383	ni_init_golden_registers(rdev);
2384	/* Initialize scratch registers */
2385	r600_scratch_init(rdev);
2386	/* Initialize surface registers */
2387	radeon_surface_init(rdev);
2388	/* Initialize clocks */
2389	radeon_get_clock_info(rdev->ddev);
2390	/* Fence driver */
2391	r = radeon_fence_driver_init(rdev);
2392	if (r)
2393		return r;
2394	/* initialize memory controller */
2395	r = evergreen_mc_init(rdev);
2396	if (r)
2397		return r;
2398	/* Memory manager */
2399	r = radeon_bo_init(rdev);
2400	if (r)
2401		return r;
2402
2403	if (rdev->flags & RADEON_IS_IGP) {
2404		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2405			r = ni_init_microcode(rdev);
2406			if (r) {
2407				DRM_ERROR("Failed to load firmware!\n");
2408				return r;
2409			}
2410		}
2411	} else {
2412		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2413			r = ni_init_microcode(rdev);
2414			if (r) {
2415				DRM_ERROR("Failed to load firmware!\n");
2416				return r;
2417			}
2418		}
2419	}
2420
2421	/* Initialize power management */
2422	radeon_pm_init(rdev);
2423
2424	ring->ring_obj = NULL;
2425	r600_ring_init(rdev, ring, 1024 * 1024);
2426
2427	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2428	ring->ring_obj = NULL;
2429	r600_ring_init(rdev, ring, 64 * 1024);
2430
2431	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2432	ring->ring_obj = NULL;
2433	r600_ring_init(rdev, ring, 64 * 1024);
2434
2435	cayman_uvd_init(rdev);
2436	cayman_vce_init(rdev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2437
2438	rdev->ih.ring_obj = NULL;
2439	r600_ih_ring_init(rdev, 64 * 1024);
2440
2441	r = r600_pcie_gart_init(rdev);
2442	if (r)
2443		return r;
2444
2445	rdev->accel_working = true;
2446	r = cayman_startup(rdev);
2447	if (r) {
2448		dev_err(rdev->dev, "disabling GPU acceleration\n");
2449		cayman_cp_fini(rdev);
2450		cayman_dma_fini(rdev);
2451		r600_irq_fini(rdev);
2452		if (rdev->flags & RADEON_IS_IGP)
2453			sumo_rlc_fini(rdev);
2454		radeon_wb_fini(rdev);
2455		radeon_ib_pool_fini(rdev);
2456		radeon_vm_manager_fini(rdev);
2457		radeon_irq_kms_fini(rdev);
2458		cayman_pcie_gart_fini(rdev);
2459		rdev->accel_working = false;
2460	}
2461
2462	/* Don't start up if the MC ucode is missing.
2463	 * The default clocks and voltages before the MC ucode
2464	 * is loaded are not suffient for advanced operations.
2465	 *
2466	 * We can skip this check for TN, because there is no MC
2467	 * ucode.
2468	 */
2469	if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
2470		DRM_ERROR("radeon: MC ucode required for NI+.\n");
2471		return -EINVAL;
2472	}
2473
2474	return 0;
2475}
2476
2477void cayman_fini(struct radeon_device *rdev)
2478{
2479	radeon_pm_fini(rdev);
2480	cayman_cp_fini(rdev);
2481	cayman_dma_fini(rdev);
2482	r600_irq_fini(rdev);
2483	if (rdev->flags & RADEON_IS_IGP)
2484		sumo_rlc_fini(rdev);
2485	radeon_wb_fini(rdev);
2486	radeon_vm_manager_fini(rdev);
2487	radeon_ib_pool_fini(rdev);
2488	radeon_irq_kms_fini(rdev);
2489	uvd_v1_0_fini(rdev);
2490	radeon_uvd_fini(rdev);
2491	if (rdev->has_vce)
2492		radeon_vce_fini(rdev);
2493	cayman_pcie_gart_fini(rdev);
2494	r600_vram_scratch_fini(rdev);
2495	radeon_gem_fini(rdev);
2496	radeon_fence_driver_fini(rdev);
2497	radeon_bo_fini(rdev);
2498	radeon_atombios_fini(rdev);
2499	kfree(rdev->bios);
2500	rdev->bios = NULL;
2501}
2502
2503/*
2504 * vm
2505 */
2506int cayman_vm_init(struct radeon_device *rdev)
2507{
2508	/* number of VMs */
2509	rdev->vm_manager.nvm = 8;
2510	/* base offset of vram pages */
2511	if (rdev->flags & RADEON_IS_IGP) {
2512		u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
2513		tmp <<= 22;
2514		rdev->vm_manager.vram_base_offset = tmp;
2515	} else
2516		rdev->vm_manager.vram_base_offset = 0;
2517	return 0;
2518}
2519
2520void cayman_vm_fini(struct radeon_device *rdev)
2521{
2522}
2523
2524/**
2525 * cayman_vm_decode_fault - print human readable fault info
2526 *
2527 * @rdev: radeon_device pointer
2528 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
2529 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
2530 *
2531 * Print human readable fault information (cayman/TN).
2532 */
2533void cayman_vm_decode_fault(struct radeon_device *rdev,
2534			    u32 status, u32 addr)
2535{
2536	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
2537	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
2538	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
2539	char *block;
2540
2541	switch (mc_id) {
2542	case 32:
2543	case 16:
2544	case 96:
2545	case 80:
2546	case 160:
2547	case 144:
2548	case 224:
2549	case 208:
2550		block = "CB";
2551		break;
2552	case 33:
2553	case 17:
2554	case 97:
2555	case 81:
2556	case 161:
2557	case 145:
2558	case 225:
2559	case 209:
2560		block = "CB_FMASK";
2561		break;
2562	case 34:
2563	case 18:
2564	case 98:
2565	case 82:
2566	case 162:
2567	case 146:
2568	case 226:
2569	case 210:
2570		block = "CB_CMASK";
2571		break;
2572	case 35:
2573	case 19:
2574	case 99:
2575	case 83:
2576	case 163:
2577	case 147:
2578	case 227:
2579	case 211:
2580		block = "CB_IMMED";
2581		break;
2582	case 36:
2583	case 20:
2584	case 100:
2585	case 84:
2586	case 164:
2587	case 148:
2588	case 228:
2589	case 212:
2590		block = "DB";
2591		break;
2592	case 37:
2593	case 21:
2594	case 101:
2595	case 85:
2596	case 165:
2597	case 149:
2598	case 229:
2599	case 213:
2600		block = "DB_HTILE";
2601		break;
2602	case 38:
2603	case 22:
2604	case 102:
2605	case 86:
2606	case 166:
2607	case 150:
2608	case 230:
2609	case 214:
2610		block = "SX";
2611		break;
2612	case 39:
2613	case 23:
2614	case 103:
2615	case 87:
2616	case 167:
2617	case 151:
2618	case 231:
2619	case 215:
2620		block = "DB_STEN";
2621		break;
2622	case 40:
2623	case 24:
2624	case 104:
2625	case 88:
2626	case 232:
2627	case 216:
2628	case 168:
2629	case 152:
2630		block = "TC_TFETCH";
2631		break;
2632	case 41:
2633	case 25:
2634	case 105:
2635	case 89:
2636	case 233:
2637	case 217:
2638	case 169:
2639	case 153:
2640		block = "TC_VFETCH";
2641		break;
2642	case 42:
2643	case 26:
2644	case 106:
2645	case 90:
2646	case 234:
2647	case 218:
2648	case 170:
2649	case 154:
2650		block = "VC";
2651		break;
2652	case 112:
2653		block = "CP";
2654		break;
2655	case 113:
2656	case 114:
2657		block = "SH";
2658		break;
2659	case 115:
2660		block = "VGT";
2661		break;
2662	case 178:
2663		block = "IH";
2664		break;
2665	case 51:
2666		block = "RLC";
2667		break;
2668	case 55:
2669		block = "DMA";
2670		break;
2671	case 56:
2672		block = "HDP";
2673		break;
2674	default:
2675		block = "unknown";
2676		break;
2677	}
2678
2679	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
2680	       protections, vmid, addr,
2681	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
2682	       block, mc_id);
2683}
2684
2685/**
2686 * cayman_vm_flush - vm flush using the CP
2687 *
2688 * @rdev: radeon_device pointer
2689 *
2690 * Update the page table base and flush the VM TLB
2691 * using the CP (cayman-si).
2692 */
2693void cayman_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
2694		     unsigned vm_id, uint64_t pd_addr)
2695{
2696	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm_id << 2), 0));
2697	radeon_ring_write(ring, pd_addr >> 12);
2698
2699	/* flush hdp cache */
2700	radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
2701	radeon_ring_write(ring, 0x1);
2702
2703	/* bits 0-7 are the VM contexts0-7 */
2704	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
2705	radeon_ring_write(ring, 1 << vm_id);
2706
2707	/* wait for the invalidate to complete */
2708	radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
2709	radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) |  /* always */
2710				 WAIT_REG_MEM_ENGINE(0))); /* me */
2711	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
2712	radeon_ring_write(ring, 0);
2713	radeon_ring_write(ring, 0); /* ref */
2714	radeon_ring_write(ring, 0); /* mask */
2715	radeon_ring_write(ring, 0x20); /* poll interval */
2716
2717	/* sync PFP to ME, otherwise we might get invalid PFP reads */
2718	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2719	radeon_ring_write(ring, 0x0);
2720}
2721
2722int tn_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk)
2723{
2724	struct atom_clock_dividers dividers;
2725	int r, i;
2726
2727	r = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
2728					   ecclk, false, &dividers);
2729	if (r)
2730		return r;
2731
2732	for (i = 0; i < 100; i++) {
2733		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2734			break;
2735		mdelay(10);
2736	}
2737	if (i == 100)
2738		return -ETIMEDOUT;
2739
2740	WREG32_P(CG_ECLK_CNTL, dividers.post_div, ~(ECLK_DIR_CNTL_EN|ECLK_DIVIDER_MASK));
2741
2742	for (i = 0; i < 100; i++) {
2743		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2744			break;
2745		mdelay(10);
2746	}
2747	if (i == 100)
2748		return -ETIMEDOUT;
2749
2750	return 0;
2751}