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v6.13.7
   1/*
   2 * Copyright 2010 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 * Authors: Alex Deucher
  23 */
  24
  25#include <linux/firmware.h>
  26#include <linux/module.h>
  27#include <linux/pci.h>
  28#include <linux/slab.h>
  29
  30#include <drm/radeon_drm.h>
  31
  32#include "atom.h"
  33#include "cayman_blit_shaders.h"
  34#include "clearstate_cayman.h"
  35#include "evergreen.h"
  36#include "ni.h"
  37#include "ni_reg.h"
  38#include "nid.h"
  39#include "radeon.h"
  40#include "radeon_asic.h"
  41#include "radeon_audio.h"
  42#include "radeon_ucode.h"
  43
  44/*
  45 * Indirect registers accessor
  46 */
  47u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg)
  48{
  49	unsigned long flags;
  50	u32 r;
  51
  52	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
  53	WREG32(TN_SMC_IND_INDEX_0, (reg));
  54	r = RREG32(TN_SMC_IND_DATA_0);
  55	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
  56	return r;
  57}
  58
  59void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
  60{
  61	unsigned long flags;
  62
  63	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
  64	WREG32(TN_SMC_IND_INDEX_0, (reg));
  65	WREG32(TN_SMC_IND_DATA_0, (v));
  66	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
  67}
  68
  69static const u32 tn_rlc_save_restore_register_list[] = {
 
  70	0x98fc,
  71	0x98f0,
  72	0x9834,
  73	0x9838,
  74	0x9870,
  75	0x9874,
  76	0x8a14,
  77	0x8b24,
  78	0x8bcc,
  79	0x8b10,
  80	0x8c30,
  81	0x8d00,
  82	0x8d04,
  83	0x8c00,
  84	0x8c04,
  85	0x8c10,
  86	0x8c14,
  87	0x8d8c,
  88	0x8cf0,
  89	0x8e38,
  90	0x9508,
  91	0x9688,
  92	0x9608,
  93	0x960c,
  94	0x9610,
  95	0x9614,
  96	0x88c4,
  97	0x8978,
  98	0x88d4,
  99	0x900c,
 100	0x9100,
 101	0x913c,
 102	0x90e8,
 103	0x9354,
 104	0xa008,
 105	0x98f8,
 106	0x9148,
 107	0x914c,
 108	0x3f94,
 109	0x98f4,
 110	0x9b7c,
 111	0x3f8c,
 112	0x8950,
 113	0x8954,
 114	0x8a18,
 115	0x8b28,
 116	0x9144,
 117	0x3f90,
 118	0x915c,
 119	0x9160,
 120	0x9178,
 121	0x917c,
 122	0x9180,
 123	0x918c,
 124	0x9190,
 125	0x9194,
 126	0x9198,
 127	0x919c,
 128	0x91a8,
 129	0x91ac,
 130	0x91b0,
 131	0x91b4,
 132	0x91b8,
 133	0x91c4,
 134	0x91c8,
 135	0x91cc,
 136	0x91d0,
 137	0x91d4,
 138	0x91e0,
 139	0x91e4,
 140	0x91ec,
 141	0x91f0,
 142	0x91f4,
 143	0x9200,
 144	0x9204,
 145	0x929c,
 146	0x8030,
 147	0x9150,
 148	0x9a60,
 149	0x920c,
 150	0x9210,
 151	0x9228,
 152	0x922c,
 153	0x9244,
 154	0x9248,
 155	0x91e8,
 156	0x9294,
 157	0x9208,
 158	0x9224,
 159	0x9240,
 160	0x9220,
 161	0x923c,
 162	0x9258,
 163	0x9744,
 164	0xa200,
 165	0xa204,
 166	0xa208,
 167	0xa20c,
 168	0x8d58,
 169	0x9030,
 170	0x9034,
 171	0x9038,
 172	0x903c,
 173	0x9040,
 174	0x9654,
 175	0x897c,
 176	0xa210,
 177	0xa214,
 178	0x9868,
 179	0xa02c,
 180	0x9664,
 181	0x9698,
 182	0x949c,
 183	0x8e10,
 184	0x8e18,
 185	0x8c50,
 186	0x8c58,
 187	0x8c60,
 188	0x8c68,
 189	0x89b4,
 190	0x9830,
 191	0x802c,
 192};
 193
 194/* Firmware Names */
 195MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
 196MODULE_FIRMWARE("radeon/BARTS_me.bin");
 197MODULE_FIRMWARE("radeon/BARTS_mc.bin");
 198MODULE_FIRMWARE("radeon/BARTS_smc.bin");
 199MODULE_FIRMWARE("radeon/BTC_rlc.bin");
 200MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
 201MODULE_FIRMWARE("radeon/TURKS_me.bin");
 202MODULE_FIRMWARE("radeon/TURKS_mc.bin");
 203MODULE_FIRMWARE("radeon/TURKS_smc.bin");
 204MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
 205MODULE_FIRMWARE("radeon/CAICOS_me.bin");
 206MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
 207MODULE_FIRMWARE("radeon/CAICOS_smc.bin");
 208MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
 209MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
 210MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
 211MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
 212MODULE_FIRMWARE("radeon/CAYMAN_smc.bin");
 213MODULE_FIRMWARE("radeon/ARUBA_pfp.bin");
 214MODULE_FIRMWARE("radeon/ARUBA_me.bin");
 215MODULE_FIRMWARE("radeon/ARUBA_rlc.bin");
 216
 217
 218static const u32 cayman_golden_registers2[] = {
 
 219	0x3e5c, 0xffffffff, 0x00000000,
 220	0x3e48, 0xffffffff, 0x00000000,
 221	0x3e4c, 0xffffffff, 0x00000000,
 222	0x3e64, 0xffffffff, 0x00000000,
 223	0x3e50, 0xffffffff, 0x00000000,
 224	0x3e60, 0xffffffff, 0x00000000
 225};
 226
 227static const u32 cayman_golden_registers[] = {
 
 228	0x5eb4, 0xffffffff, 0x00000002,
 229	0x5e78, 0x8f311ff1, 0x001000f0,
 230	0x3f90, 0xffff0000, 0xff000000,
 231	0x9148, 0xffff0000, 0xff000000,
 232	0x3f94, 0xffff0000, 0xff000000,
 233	0x914c, 0xffff0000, 0xff000000,
 234	0xc78, 0x00000080, 0x00000080,
 235	0xbd4, 0x70073777, 0x00011003,
 236	0xd02c, 0xbfffff1f, 0x08421000,
 237	0xd0b8, 0x73773777, 0x02011003,
 238	0x5bc0, 0x00200000, 0x50100000,
 239	0x98f8, 0x33773777, 0x02011003,
 240	0x98fc, 0xffffffff, 0x76541032,
 241	0x7030, 0x31000311, 0x00000011,
 242	0x2f48, 0x33773777, 0x42010001,
 243	0x6b28, 0x00000010, 0x00000012,
 244	0x7728, 0x00000010, 0x00000012,
 245	0x10328, 0x00000010, 0x00000012,
 246	0x10f28, 0x00000010, 0x00000012,
 247	0x11b28, 0x00000010, 0x00000012,
 248	0x12728, 0x00000010, 0x00000012,
 249	0x240c, 0x000007ff, 0x00000000,
 250	0x8a14, 0xf000001f, 0x00000007,
 251	0x8b24, 0x3fff3fff, 0x00ff0fff,
 252	0x8b10, 0x0000ff0f, 0x00000000,
 253	0x28a4c, 0x07ffffff, 0x06000000,
 254	0x10c, 0x00000001, 0x00010003,
 255	0xa02c, 0xffffffff, 0x0000009b,
 256	0x913c, 0x0000010f, 0x01000100,
 257	0x8c04, 0xf8ff00ff, 0x40600060,
 258	0x28350, 0x00000f01, 0x00000000,
 259	0x9508, 0x3700001f, 0x00000002,
 260	0x960c, 0xffffffff, 0x54763210,
 261	0x88c4, 0x001f3ae3, 0x00000082,
 262	0x88d0, 0xffffffff, 0x0f40df40,
 263	0x88d4, 0x0000001f, 0x00000010,
 264	0x8974, 0xffffffff, 0x00000000
 265};
 266
 267static const u32 dvst_golden_registers2[] = {
 
 268	0x8f8, 0xffffffff, 0,
 269	0x8fc, 0x00380000, 0,
 270	0x8f8, 0xffffffff, 1,
 271	0x8fc, 0x0e000000, 0
 272};
 273
 274static const u32 dvst_golden_registers[] = {
 
 275	0x690, 0x3fff3fff, 0x20c00033,
 276	0x918c, 0x0fff0fff, 0x00010006,
 277	0x91a8, 0x0fff0fff, 0x00010006,
 278	0x9150, 0xffffdfff, 0x6e944040,
 279	0x917c, 0x0fff0fff, 0x00030002,
 280	0x9198, 0x0fff0fff, 0x00030002,
 281	0x915c, 0x0fff0fff, 0x00010000,
 282	0x3f90, 0xffff0001, 0xff000000,
 283	0x9178, 0x0fff0fff, 0x00070000,
 284	0x9194, 0x0fff0fff, 0x00070000,
 285	0x9148, 0xffff0001, 0xff000000,
 286	0x9190, 0x0fff0fff, 0x00090008,
 287	0x91ac, 0x0fff0fff, 0x00090008,
 288	0x3f94, 0xffff0000, 0xff000000,
 289	0x914c, 0xffff0000, 0xff000000,
 290	0x929c, 0x00000fff, 0x00000001,
 291	0x55e4, 0xff607fff, 0xfc000100,
 292	0x8a18, 0xff000fff, 0x00000100,
 293	0x8b28, 0xff000fff, 0x00000100,
 294	0x9144, 0xfffc0fff, 0x00000100,
 295	0x6ed8, 0x00010101, 0x00010000,
 296	0x9830, 0xffffffff, 0x00000000,
 297	0x9834, 0xf00fffff, 0x00000400,
 298	0x9838, 0xfffffffe, 0x00000000,
 299	0xd0c0, 0xff000fff, 0x00000100,
 300	0xd02c, 0xbfffff1f, 0x08421000,
 301	0xd0b8, 0x73773777, 0x12010001,
 302	0x5bb0, 0x000000f0, 0x00000070,
 303	0x98f8, 0x73773777, 0x12010001,
 304	0x98fc, 0xffffffff, 0x00000010,
 305	0x9b7c, 0x00ff0000, 0x00fc0000,
 306	0x8030, 0x00001f0f, 0x0000100a,
 307	0x2f48, 0x73773777, 0x12010001,
 308	0x2408, 0x00030000, 0x000c007f,
 309	0x8a14, 0xf000003f, 0x00000007,
 310	0x8b24, 0x3fff3fff, 0x00ff0fff,
 311	0x8b10, 0x0000ff0f, 0x00000000,
 312	0x28a4c, 0x07ffffff, 0x06000000,
 313	0x4d8, 0x00000fff, 0x00000100,
 314	0xa008, 0xffffffff, 0x00010000,
 315	0x913c, 0xffff03ff, 0x01000100,
 316	0x8c00, 0x000000ff, 0x00000003,
 317	0x8c04, 0xf8ff00ff, 0x40600060,
 318	0x8cf0, 0x1fff1fff, 0x08e00410,
 319	0x28350, 0x00000f01, 0x00000000,
 320	0x9508, 0xf700071f, 0x00000002,
 321	0x960c, 0xffffffff, 0x54763210,
 322	0x20ef8, 0x01ff01ff, 0x00000002,
 323	0x20e98, 0xfffffbff, 0x00200000,
 324	0x2015c, 0xffffffff, 0x00000f40,
 325	0x88c4, 0x001f3ae3, 0x00000082,
 326	0x8978, 0x3fffffff, 0x04050140,
 327	0x88d4, 0x0000001f, 0x00000010,
 328	0x8974, 0xffffffff, 0x00000000
 329};
 330
 331static const u32 scrapper_golden_registers[] = {
 
 332	0x690, 0x3fff3fff, 0x20c00033,
 333	0x918c, 0x0fff0fff, 0x00010006,
 334	0x918c, 0x0fff0fff, 0x00010006,
 335	0x91a8, 0x0fff0fff, 0x00010006,
 336	0x91a8, 0x0fff0fff, 0x00010006,
 337	0x9150, 0xffffdfff, 0x6e944040,
 338	0x9150, 0xffffdfff, 0x6e944040,
 339	0x917c, 0x0fff0fff, 0x00030002,
 340	0x917c, 0x0fff0fff, 0x00030002,
 341	0x9198, 0x0fff0fff, 0x00030002,
 342	0x9198, 0x0fff0fff, 0x00030002,
 343	0x915c, 0x0fff0fff, 0x00010000,
 344	0x915c, 0x0fff0fff, 0x00010000,
 345	0x3f90, 0xffff0001, 0xff000000,
 346	0x3f90, 0xffff0001, 0xff000000,
 347	0x9178, 0x0fff0fff, 0x00070000,
 348	0x9178, 0x0fff0fff, 0x00070000,
 349	0x9194, 0x0fff0fff, 0x00070000,
 350	0x9194, 0x0fff0fff, 0x00070000,
 351	0x9148, 0xffff0001, 0xff000000,
 352	0x9148, 0xffff0001, 0xff000000,
 353	0x9190, 0x0fff0fff, 0x00090008,
 354	0x9190, 0x0fff0fff, 0x00090008,
 355	0x91ac, 0x0fff0fff, 0x00090008,
 356	0x91ac, 0x0fff0fff, 0x00090008,
 357	0x3f94, 0xffff0000, 0xff000000,
 358	0x3f94, 0xffff0000, 0xff000000,
 359	0x914c, 0xffff0000, 0xff000000,
 360	0x914c, 0xffff0000, 0xff000000,
 361	0x929c, 0x00000fff, 0x00000001,
 362	0x929c, 0x00000fff, 0x00000001,
 363	0x55e4, 0xff607fff, 0xfc000100,
 364	0x8a18, 0xff000fff, 0x00000100,
 365	0x8a18, 0xff000fff, 0x00000100,
 366	0x8b28, 0xff000fff, 0x00000100,
 367	0x8b28, 0xff000fff, 0x00000100,
 368	0x9144, 0xfffc0fff, 0x00000100,
 369	0x9144, 0xfffc0fff, 0x00000100,
 370	0x6ed8, 0x00010101, 0x00010000,
 371	0x9830, 0xffffffff, 0x00000000,
 372	0x9830, 0xffffffff, 0x00000000,
 373	0x9834, 0xf00fffff, 0x00000400,
 374	0x9834, 0xf00fffff, 0x00000400,
 375	0x9838, 0xfffffffe, 0x00000000,
 376	0x9838, 0xfffffffe, 0x00000000,
 377	0xd0c0, 0xff000fff, 0x00000100,
 378	0xd02c, 0xbfffff1f, 0x08421000,
 379	0xd02c, 0xbfffff1f, 0x08421000,
 380	0xd0b8, 0x73773777, 0x12010001,
 381	0xd0b8, 0x73773777, 0x12010001,
 382	0x5bb0, 0x000000f0, 0x00000070,
 383	0x98f8, 0x73773777, 0x12010001,
 384	0x98f8, 0x73773777, 0x12010001,
 385	0x98fc, 0xffffffff, 0x00000010,
 386	0x98fc, 0xffffffff, 0x00000010,
 387	0x9b7c, 0x00ff0000, 0x00fc0000,
 388	0x9b7c, 0x00ff0000, 0x00fc0000,
 389	0x8030, 0x00001f0f, 0x0000100a,
 390	0x8030, 0x00001f0f, 0x0000100a,
 391	0x2f48, 0x73773777, 0x12010001,
 392	0x2f48, 0x73773777, 0x12010001,
 393	0x2408, 0x00030000, 0x000c007f,
 394	0x8a14, 0xf000003f, 0x00000007,
 395	0x8a14, 0xf000003f, 0x00000007,
 396	0x8b24, 0x3fff3fff, 0x00ff0fff,
 397	0x8b24, 0x3fff3fff, 0x00ff0fff,
 398	0x8b10, 0x0000ff0f, 0x00000000,
 399	0x8b10, 0x0000ff0f, 0x00000000,
 400	0x28a4c, 0x07ffffff, 0x06000000,
 401	0x28a4c, 0x07ffffff, 0x06000000,
 402	0x4d8, 0x00000fff, 0x00000100,
 403	0x4d8, 0x00000fff, 0x00000100,
 404	0xa008, 0xffffffff, 0x00010000,
 405	0xa008, 0xffffffff, 0x00010000,
 406	0x913c, 0xffff03ff, 0x01000100,
 407	0x913c, 0xffff03ff, 0x01000100,
 408	0x90e8, 0x001fffff, 0x010400c0,
 409	0x8c00, 0x000000ff, 0x00000003,
 410	0x8c00, 0x000000ff, 0x00000003,
 411	0x8c04, 0xf8ff00ff, 0x40600060,
 412	0x8c04, 0xf8ff00ff, 0x40600060,
 413	0x8c30, 0x0000000f, 0x00040005,
 414	0x8cf0, 0x1fff1fff, 0x08e00410,
 415	0x8cf0, 0x1fff1fff, 0x08e00410,
 416	0x900c, 0x00ffffff, 0x0017071f,
 417	0x28350, 0x00000f01, 0x00000000,
 418	0x28350, 0x00000f01, 0x00000000,
 419	0x9508, 0xf700071f, 0x00000002,
 420	0x9508, 0xf700071f, 0x00000002,
 421	0x9688, 0x00300000, 0x0017000f,
 422	0x960c, 0xffffffff, 0x54763210,
 423	0x960c, 0xffffffff, 0x54763210,
 424	0x20ef8, 0x01ff01ff, 0x00000002,
 425	0x20e98, 0xfffffbff, 0x00200000,
 426	0x2015c, 0xffffffff, 0x00000f40,
 427	0x88c4, 0x001f3ae3, 0x00000082,
 428	0x88c4, 0x001f3ae3, 0x00000082,
 429	0x8978, 0x3fffffff, 0x04050140,
 430	0x8978, 0x3fffffff, 0x04050140,
 431	0x88d4, 0x0000001f, 0x00000010,
 432	0x88d4, 0x0000001f, 0x00000010,
 433	0x8974, 0xffffffff, 0x00000000,
 434	0x8974, 0xffffffff, 0x00000000
 435};
 436
 437static void ni_init_golden_registers(struct radeon_device *rdev)
 438{
 439	switch (rdev->family) {
 440	case CHIP_CAYMAN:
 441		radeon_program_register_sequence(rdev,
 442						 cayman_golden_registers,
 443						 (const u32)ARRAY_SIZE(cayman_golden_registers));
 444		radeon_program_register_sequence(rdev,
 445						 cayman_golden_registers2,
 446						 (const u32)ARRAY_SIZE(cayman_golden_registers2));
 447		break;
 448	case CHIP_ARUBA:
 449		if ((rdev->pdev->device == 0x9900) ||
 450		    (rdev->pdev->device == 0x9901) ||
 451		    (rdev->pdev->device == 0x9903) ||
 452		    (rdev->pdev->device == 0x9904) ||
 453		    (rdev->pdev->device == 0x9905) ||
 454		    (rdev->pdev->device == 0x9906) ||
 455		    (rdev->pdev->device == 0x9907) ||
 456		    (rdev->pdev->device == 0x9908) ||
 457		    (rdev->pdev->device == 0x9909) ||
 458		    (rdev->pdev->device == 0x990A) ||
 459		    (rdev->pdev->device == 0x990B) ||
 460		    (rdev->pdev->device == 0x990C) ||
 461		    (rdev->pdev->device == 0x990D) ||
 462		    (rdev->pdev->device == 0x990E) ||
 463		    (rdev->pdev->device == 0x990F) ||
 464		    (rdev->pdev->device == 0x9910) ||
 465		    (rdev->pdev->device == 0x9913) ||
 466		    (rdev->pdev->device == 0x9917) ||
 467		    (rdev->pdev->device == 0x9918)) {
 468			radeon_program_register_sequence(rdev,
 469							 dvst_golden_registers,
 470							 (const u32)ARRAY_SIZE(dvst_golden_registers));
 471			radeon_program_register_sequence(rdev,
 472							 dvst_golden_registers2,
 473							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
 474		} else {
 475			radeon_program_register_sequence(rdev,
 476							 scrapper_golden_registers,
 477							 (const u32)ARRAY_SIZE(scrapper_golden_registers));
 478			radeon_program_register_sequence(rdev,
 479							 dvst_golden_registers2,
 480							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
 481		}
 482		break;
 483	default:
 484		break;
 485	}
 486}
 487
 488#define BTC_IO_MC_REGS_SIZE 29
 489
 490static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 491	{0x00000077, 0xff010100},
 492	{0x00000078, 0x00000000},
 493	{0x00000079, 0x00001434},
 494	{0x0000007a, 0xcc08ec08},
 495	{0x0000007b, 0x00040000},
 496	{0x0000007c, 0x000080c0},
 497	{0x0000007d, 0x09000000},
 498	{0x0000007e, 0x00210404},
 499	{0x00000081, 0x08a8e800},
 500	{0x00000082, 0x00030444},
 501	{0x00000083, 0x00000000},
 502	{0x00000085, 0x00000001},
 503	{0x00000086, 0x00000002},
 504	{0x00000087, 0x48490000},
 505	{0x00000088, 0x20244647},
 506	{0x00000089, 0x00000005},
 507	{0x0000008b, 0x66030000},
 508	{0x0000008c, 0x00006603},
 509	{0x0000008d, 0x00000100},
 510	{0x0000008f, 0x00001c0a},
 511	{0x00000090, 0xff000001},
 512	{0x00000094, 0x00101101},
 513	{0x00000095, 0x00000fff},
 514	{0x00000096, 0x00116fff},
 515	{0x00000097, 0x60010000},
 516	{0x00000098, 0x10010000},
 517	{0x00000099, 0x00006000},
 518	{0x0000009a, 0x00001000},
 519	{0x0000009f, 0x00946a00}
 520};
 521
 522static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 523	{0x00000077, 0xff010100},
 524	{0x00000078, 0x00000000},
 525	{0x00000079, 0x00001434},
 526	{0x0000007a, 0xcc08ec08},
 527	{0x0000007b, 0x00040000},
 528	{0x0000007c, 0x000080c0},
 529	{0x0000007d, 0x09000000},
 530	{0x0000007e, 0x00210404},
 531	{0x00000081, 0x08a8e800},
 532	{0x00000082, 0x00030444},
 533	{0x00000083, 0x00000000},
 534	{0x00000085, 0x00000001},
 535	{0x00000086, 0x00000002},
 536	{0x00000087, 0x48490000},
 537	{0x00000088, 0x20244647},
 538	{0x00000089, 0x00000005},
 539	{0x0000008b, 0x66030000},
 540	{0x0000008c, 0x00006603},
 541	{0x0000008d, 0x00000100},
 542	{0x0000008f, 0x00001c0a},
 543	{0x00000090, 0xff000001},
 544	{0x00000094, 0x00101101},
 545	{0x00000095, 0x00000fff},
 546	{0x00000096, 0x00116fff},
 547	{0x00000097, 0x60010000},
 548	{0x00000098, 0x10010000},
 549	{0x00000099, 0x00006000},
 550	{0x0000009a, 0x00001000},
 551	{0x0000009f, 0x00936a00}
 552};
 553
 554static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 555	{0x00000077, 0xff010100},
 556	{0x00000078, 0x00000000},
 557	{0x00000079, 0x00001434},
 558	{0x0000007a, 0xcc08ec08},
 559	{0x0000007b, 0x00040000},
 560	{0x0000007c, 0x000080c0},
 561	{0x0000007d, 0x09000000},
 562	{0x0000007e, 0x00210404},
 563	{0x00000081, 0x08a8e800},
 564	{0x00000082, 0x00030444},
 565	{0x00000083, 0x00000000},
 566	{0x00000085, 0x00000001},
 567	{0x00000086, 0x00000002},
 568	{0x00000087, 0x48490000},
 569	{0x00000088, 0x20244647},
 570	{0x00000089, 0x00000005},
 571	{0x0000008b, 0x66030000},
 572	{0x0000008c, 0x00006603},
 573	{0x0000008d, 0x00000100},
 574	{0x0000008f, 0x00001c0a},
 575	{0x00000090, 0xff000001},
 576	{0x00000094, 0x00101101},
 577	{0x00000095, 0x00000fff},
 578	{0x00000096, 0x00116fff},
 579	{0x00000097, 0x60010000},
 580	{0x00000098, 0x10010000},
 581	{0x00000099, 0x00006000},
 582	{0x0000009a, 0x00001000},
 583	{0x0000009f, 0x00916a00}
 584};
 585
 586static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 587	{0x00000077, 0xff010100},
 588	{0x00000078, 0x00000000},
 589	{0x00000079, 0x00001434},
 590	{0x0000007a, 0xcc08ec08},
 591	{0x0000007b, 0x00040000},
 592	{0x0000007c, 0x000080c0},
 593	{0x0000007d, 0x09000000},
 594	{0x0000007e, 0x00210404},
 595	{0x00000081, 0x08a8e800},
 596	{0x00000082, 0x00030444},
 597	{0x00000083, 0x00000000},
 598	{0x00000085, 0x00000001},
 599	{0x00000086, 0x00000002},
 600	{0x00000087, 0x48490000},
 601	{0x00000088, 0x20244647},
 602	{0x00000089, 0x00000005},
 603	{0x0000008b, 0x66030000},
 604	{0x0000008c, 0x00006603},
 605	{0x0000008d, 0x00000100},
 606	{0x0000008f, 0x00001c0a},
 607	{0x00000090, 0xff000001},
 608	{0x00000094, 0x00101101},
 609	{0x00000095, 0x00000fff},
 610	{0x00000096, 0x00116fff},
 611	{0x00000097, 0x60010000},
 612	{0x00000098, 0x10010000},
 613	{0x00000099, 0x00006000},
 614	{0x0000009a, 0x00001000},
 615	{0x0000009f, 0x00976b00}
 616};
 617
 618int ni_mc_load_microcode(struct radeon_device *rdev)
 619{
 620	const __be32 *fw_data;
 621	u32 mem_type, running;
 622	u32 *io_mc_regs;
 623	int i, ucode_size, regs_size;
 624
 625	if (!rdev->mc_fw)
 626		return -EINVAL;
 627
 628	switch (rdev->family) {
 629	case CHIP_BARTS:
 630		io_mc_regs = (u32 *)&barts_io_mc_regs;
 631		ucode_size = BTC_MC_UCODE_SIZE;
 632		regs_size = BTC_IO_MC_REGS_SIZE;
 633		break;
 634	case CHIP_TURKS:
 635		io_mc_regs = (u32 *)&turks_io_mc_regs;
 636		ucode_size = BTC_MC_UCODE_SIZE;
 637		regs_size = BTC_IO_MC_REGS_SIZE;
 638		break;
 639	case CHIP_CAICOS:
 640	default:
 641		io_mc_regs = (u32 *)&caicos_io_mc_regs;
 642		ucode_size = BTC_MC_UCODE_SIZE;
 643		regs_size = BTC_IO_MC_REGS_SIZE;
 644		break;
 645	case CHIP_CAYMAN:
 646		io_mc_regs = (u32 *)&cayman_io_mc_regs;
 647		ucode_size = CAYMAN_MC_UCODE_SIZE;
 648		regs_size = BTC_IO_MC_REGS_SIZE;
 649		break;
 650	}
 651
 652	mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
 653	running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
 654
 655	if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
 
 
 
 
 
 656		/* reset the engine and set to writable */
 657		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
 658		WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
 659
 660		/* load mc io regs */
 661		for (i = 0; i < regs_size; i++) {
 662			WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
 663			WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
 664		}
 665		/* load the MC ucode */
 666		fw_data = (const __be32 *)rdev->mc_fw->data;
 667		for (i = 0; i < ucode_size; i++)
 668			WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
 669
 670		/* put the engine back into the active state */
 671		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
 672		WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
 673		WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
 674
 675		/* wait for training to complete */
 676		for (i = 0; i < rdev->usec_timeout; i++) {
 677			if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)
 678				break;
 679			udelay(1);
 680		}
 
 
 
 681	}
 682
 683	return 0;
 684}
 685
 686int ni_init_microcode(struct radeon_device *rdev)
 687{
 688	const char *chip_name;
 689	const char *rlc_chip_name;
 690	size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
 691	size_t smc_req_size = 0;
 692	char fw_name[30];
 693	int err;
 694
 695	DRM_DEBUG("\n");
 696
 697	switch (rdev->family) {
 698	case CHIP_BARTS:
 699		chip_name = "BARTS";
 700		rlc_chip_name = "BTC";
 701		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 702		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 703		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 704		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 705		smc_req_size = ALIGN(BARTS_SMC_UCODE_SIZE, 4);
 706		break;
 707	case CHIP_TURKS:
 708		chip_name = "TURKS";
 709		rlc_chip_name = "BTC";
 710		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 711		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 712		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 713		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 714		smc_req_size = ALIGN(TURKS_SMC_UCODE_SIZE, 4);
 715		break;
 716	case CHIP_CAICOS:
 717		chip_name = "CAICOS";
 718		rlc_chip_name = "BTC";
 719		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 720		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 721		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 722		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 723		smc_req_size = ALIGN(CAICOS_SMC_UCODE_SIZE, 4);
 724		break;
 725	case CHIP_CAYMAN:
 726		chip_name = "CAYMAN";
 727		rlc_chip_name = "CAYMAN";
 728		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
 729		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
 730		rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
 731		mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
 732		smc_req_size = ALIGN(CAYMAN_SMC_UCODE_SIZE, 4);
 733		break;
 734	case CHIP_ARUBA:
 735		chip_name = "ARUBA";
 736		rlc_chip_name = "ARUBA";
 737		/* pfp/me same size as CAYMAN */
 738		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
 739		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
 740		rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4;
 741		mc_req_size = 0;
 742		break;
 743	default:
 744		BUG();
 745	}
 746
 747	DRM_INFO("Loading %s Microcode\n", chip_name);
 748
 749	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
 750	err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
 751	if (err)
 752		goto out;
 753	if (rdev->pfp_fw->size != pfp_req_size) {
 754		pr_err("ni_cp: Bogus length %zu in firmware \"%s\"\n",
 755		       rdev->pfp_fw->size, fw_name);
 756		err = -EINVAL;
 757		goto out;
 758	}
 759
 760	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
 761	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
 762	if (err)
 763		goto out;
 764	if (rdev->me_fw->size != me_req_size) {
 765		pr_err("ni_cp: Bogus length %zu in firmware \"%s\"\n",
 766		       rdev->me_fw->size, fw_name);
 767		err = -EINVAL;
 768	}
 769
 770	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
 771	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
 772	if (err)
 773		goto out;
 774	if (rdev->rlc_fw->size != rlc_req_size) {
 775		pr_err("ni_rlc: Bogus length %zu in firmware \"%s\"\n",
 776		       rdev->rlc_fw->size, fw_name);
 777		err = -EINVAL;
 778	}
 779
 780	/* no MC ucode on TN */
 781	if (!(rdev->flags & RADEON_IS_IGP)) {
 782		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
 783		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
 784		if (err)
 785			goto out;
 786		if (rdev->mc_fw->size != mc_req_size) {
 787			pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n",
 788			       rdev->mc_fw->size, fw_name);
 789			err = -EINVAL;
 790		}
 791	}
 792
 793	if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
 794		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
 795		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
 796		if (err) {
 797			pr_err("smc: error loading firmware \"%s\"\n", fw_name);
 798			release_firmware(rdev->smc_fw);
 799			rdev->smc_fw = NULL;
 800			err = 0;
 801		} else if (rdev->smc_fw->size != smc_req_size) {
 802			pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n",
 803			       rdev->smc_fw->size, fw_name);
 804			err = -EINVAL;
 805		}
 806	}
 807
 808out:
 809	if (err) {
 810		if (err != -EINVAL)
 811			pr_err("ni_cp: Failed to load firmware \"%s\"\n",
 812			       fw_name);
 813		release_firmware(rdev->pfp_fw);
 814		rdev->pfp_fw = NULL;
 815		release_firmware(rdev->me_fw);
 816		rdev->me_fw = NULL;
 817		release_firmware(rdev->rlc_fw);
 818		rdev->rlc_fw = NULL;
 819		release_firmware(rdev->mc_fw);
 820		rdev->mc_fw = NULL;
 821	}
 822	return err;
 823}
 824
 825/**
 826 * cayman_get_allowed_info_register - fetch the register for the info ioctl
 827 *
 828 * @rdev: radeon_device pointer
 829 * @reg: register offset in bytes
 830 * @val: register value
 831 *
 832 * Returns 0 for success or -EINVAL for an invalid register
 833 *
 834 */
 835int cayman_get_allowed_info_register(struct radeon_device *rdev,
 836				     u32 reg, u32 *val)
 837{
 838	switch (reg) {
 839	case GRBM_STATUS:
 840	case GRBM_STATUS_SE0:
 841	case GRBM_STATUS_SE1:
 842	case SRBM_STATUS:
 843	case SRBM_STATUS2:
 844	case (DMA_STATUS_REG + DMA0_REGISTER_OFFSET):
 845	case (DMA_STATUS_REG + DMA1_REGISTER_OFFSET):
 846	case UVD_STATUS:
 847		*val = RREG32(reg);
 848		return 0;
 849	default:
 850		return -EINVAL;
 851	}
 852}
 853
 854int tn_get_temp(struct radeon_device *rdev)
 855{
 856	u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff;
 857	int actual_temp = (temp / 8) - 49;
 858
 859	return actual_temp * 1000;
 860}
 861
 862/*
 863 * Core functions
 864 */
 865static void cayman_gpu_init(struct radeon_device *rdev)
 866{
 867	u32 gb_addr_config = 0;
 868	u32 mc_arb_ramcfg;
 869	u32 cgts_tcc_disable;
 870	u32 sx_debug_1;
 871	u32 smx_dc_ctl0;
 872	u32 cgts_sm_ctrl_reg;
 873	u32 hdp_host_path_cntl;
 874	u32 tmp;
 875	u32 disabled_rb_mask;
 876	int i, j;
 877
 878	switch (rdev->family) {
 879	case CHIP_CAYMAN:
 880		rdev->config.cayman.max_shader_engines = 2;
 881		rdev->config.cayman.max_pipes_per_simd = 4;
 882		rdev->config.cayman.max_tile_pipes = 8;
 883		rdev->config.cayman.max_simds_per_se = 12;
 884		rdev->config.cayman.max_backends_per_se = 4;
 885		rdev->config.cayman.max_texture_channel_caches = 8;
 886		rdev->config.cayman.max_gprs = 256;
 887		rdev->config.cayman.max_threads = 256;
 888		rdev->config.cayman.max_gs_threads = 32;
 889		rdev->config.cayman.max_stack_entries = 512;
 890		rdev->config.cayman.sx_num_of_sets = 8;
 891		rdev->config.cayman.sx_max_export_size = 256;
 892		rdev->config.cayman.sx_max_export_pos_size = 64;
 893		rdev->config.cayman.sx_max_export_smx_size = 192;
 894		rdev->config.cayman.max_hw_contexts = 8;
 895		rdev->config.cayman.sq_num_cf_insts = 2;
 896
 897		rdev->config.cayman.sc_prim_fifo_size = 0x100;
 898		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
 899		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
 900		gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN;
 901		break;
 902	case CHIP_ARUBA:
 903	default:
 904		rdev->config.cayman.max_shader_engines = 1;
 905		rdev->config.cayman.max_pipes_per_simd = 4;
 906		rdev->config.cayman.max_tile_pipes = 2;
 907		if ((rdev->pdev->device == 0x9900) ||
 908		    (rdev->pdev->device == 0x9901) ||
 909		    (rdev->pdev->device == 0x9905) ||
 910		    (rdev->pdev->device == 0x9906) ||
 911		    (rdev->pdev->device == 0x9907) ||
 912		    (rdev->pdev->device == 0x9908) ||
 913		    (rdev->pdev->device == 0x9909) ||
 914		    (rdev->pdev->device == 0x990B) ||
 915		    (rdev->pdev->device == 0x990C) ||
 916		    (rdev->pdev->device == 0x990F) ||
 917		    (rdev->pdev->device == 0x9910) ||
 918		    (rdev->pdev->device == 0x9917) ||
 919		    (rdev->pdev->device == 0x9999) ||
 920		    (rdev->pdev->device == 0x999C)) {
 921			rdev->config.cayman.max_simds_per_se = 6;
 922			rdev->config.cayman.max_backends_per_se = 2;
 923			rdev->config.cayman.max_hw_contexts = 8;
 924			rdev->config.cayman.sx_max_export_size = 256;
 925			rdev->config.cayman.sx_max_export_pos_size = 64;
 926			rdev->config.cayman.sx_max_export_smx_size = 192;
 927		} else if ((rdev->pdev->device == 0x9903) ||
 928			   (rdev->pdev->device == 0x9904) ||
 929			   (rdev->pdev->device == 0x990A) ||
 930			   (rdev->pdev->device == 0x990D) ||
 931			   (rdev->pdev->device == 0x990E) ||
 932			   (rdev->pdev->device == 0x9913) ||
 933			   (rdev->pdev->device == 0x9918) ||
 934			   (rdev->pdev->device == 0x999D)) {
 935			rdev->config.cayman.max_simds_per_se = 4;
 936			rdev->config.cayman.max_backends_per_se = 2;
 937			rdev->config.cayman.max_hw_contexts = 8;
 938			rdev->config.cayman.sx_max_export_size = 256;
 939			rdev->config.cayman.sx_max_export_pos_size = 64;
 940			rdev->config.cayman.sx_max_export_smx_size = 192;
 941		} else if ((rdev->pdev->device == 0x9919) ||
 942			   (rdev->pdev->device == 0x9990) ||
 943			   (rdev->pdev->device == 0x9991) ||
 944			   (rdev->pdev->device == 0x9994) ||
 945			   (rdev->pdev->device == 0x9995) ||
 946			   (rdev->pdev->device == 0x9996) ||
 947			   (rdev->pdev->device == 0x999A) ||
 948			   (rdev->pdev->device == 0x99A0)) {
 949			rdev->config.cayman.max_simds_per_se = 3;
 950			rdev->config.cayman.max_backends_per_se = 1;
 951			rdev->config.cayman.max_hw_contexts = 4;
 952			rdev->config.cayman.sx_max_export_size = 128;
 953			rdev->config.cayman.sx_max_export_pos_size = 32;
 954			rdev->config.cayman.sx_max_export_smx_size = 96;
 955		} else {
 956			rdev->config.cayman.max_simds_per_se = 2;
 957			rdev->config.cayman.max_backends_per_se = 1;
 958			rdev->config.cayman.max_hw_contexts = 4;
 959			rdev->config.cayman.sx_max_export_size = 128;
 960			rdev->config.cayman.sx_max_export_pos_size = 32;
 961			rdev->config.cayman.sx_max_export_smx_size = 96;
 962		}
 963		rdev->config.cayman.max_texture_channel_caches = 2;
 964		rdev->config.cayman.max_gprs = 256;
 965		rdev->config.cayman.max_threads = 256;
 966		rdev->config.cayman.max_gs_threads = 32;
 967		rdev->config.cayman.max_stack_entries = 512;
 968		rdev->config.cayman.sx_num_of_sets = 8;
 969		rdev->config.cayman.sq_num_cf_insts = 2;
 970
 971		rdev->config.cayman.sc_prim_fifo_size = 0x40;
 972		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
 973		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
 974		gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN;
 975		break;
 976	}
 977
 978	/* Initialize HDP */
 979	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
 980		WREG32((0x2c14 + j), 0x00000000);
 981		WREG32((0x2c18 + j), 0x00000000);
 982		WREG32((0x2c1c + j), 0x00000000);
 983		WREG32((0x2c20 + j), 0x00000000);
 984		WREG32((0x2c24 + j), 0x00000000);
 985	}
 986
 987	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
 988	WREG32(SRBM_INT_CNTL, 0x1);
 989	WREG32(SRBM_INT_ACK, 0x1);
 990
 991	evergreen_fix_pci_max_read_req_size(rdev);
 992
 993	RREG32(MC_SHARED_CHMAP);
 994	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
 995
 996	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
 997	rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
 998	if (rdev->config.cayman.mem_row_size_in_kb > 4)
 999		rdev->config.cayman.mem_row_size_in_kb = 4;
1000	/* XXX use MC settings? */
1001	rdev->config.cayman.shader_engine_tile_size = 32;
1002	rdev->config.cayman.num_gpus = 1;
1003	rdev->config.cayman.multi_gpu_tile_size = 64;
1004
1005	tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
1006	rdev->config.cayman.num_tile_pipes = (1 << tmp);
1007	tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
1008	rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
1009	tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
1010	rdev->config.cayman.num_shader_engines = tmp + 1;
1011	tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
1012	rdev->config.cayman.num_gpus = tmp + 1;
1013	tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
1014	rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
1015	tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
1016	rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
1017
1018
1019	/* setup tiling info dword.  gb_addr_config is not adequate since it does
1020	 * not have bank info, so create a custom tiling dword.
1021	 * bits 3:0   num_pipes
1022	 * bits 7:4   num_banks
1023	 * bits 11:8  group_size
1024	 * bits 15:12 row_size
1025	 */
1026	rdev->config.cayman.tile_config = 0;
1027	switch (rdev->config.cayman.num_tile_pipes) {
1028	case 1:
1029	default:
1030		rdev->config.cayman.tile_config |= (0 << 0);
1031		break;
1032	case 2:
1033		rdev->config.cayman.tile_config |= (1 << 0);
1034		break;
1035	case 4:
1036		rdev->config.cayman.tile_config |= (2 << 0);
1037		break;
1038	case 8:
1039		rdev->config.cayman.tile_config |= (3 << 0);
1040		break;
1041	}
1042
1043	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
1044	if (rdev->flags & RADEON_IS_IGP)
1045		rdev->config.cayman.tile_config |= 1 << 4;
1046	else {
1047		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
1048		case 0: /* four banks */
1049			rdev->config.cayman.tile_config |= 0 << 4;
1050			break;
1051		case 1: /* eight banks */
1052			rdev->config.cayman.tile_config |= 1 << 4;
1053			break;
1054		case 2: /* sixteen banks */
1055		default:
1056			rdev->config.cayman.tile_config |= 2 << 4;
1057			break;
1058		}
1059	}
1060	rdev->config.cayman.tile_config |=
1061		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
1062	rdev->config.cayman.tile_config |=
1063		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
1064
1065	tmp = 0;
1066	for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
1067		u32 rb_disable_bitmap;
1068
1069		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1070		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1071		rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
1072		tmp <<= 4;
1073		tmp |= rb_disable_bitmap;
1074	}
1075	/* enabled rb are just the one not disabled :) */
1076	disabled_rb_mask = tmp;
1077	tmp = 0;
1078	for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1079		tmp |= (1 << i);
1080	/* if all the backends are disabled, fix it up here */
1081	if ((disabled_rb_mask & tmp) == tmp) {
1082		for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1083			disabled_rb_mask &= ~(1 << i);
1084	}
1085
1086	for (i = 0; i < rdev->config.cayman.max_shader_engines; i++) {
1087		u32 simd_disable_bitmap;
1088
1089		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1090		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1091		simd_disable_bitmap = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
1092		simd_disable_bitmap |= 0xffffffff << rdev->config.cayman.max_simds_per_se;
1093		tmp <<= 16;
1094		tmp |= simd_disable_bitmap;
1095	}
1096	rdev->config.cayman.active_simds = hweight32(~tmp);
1097
1098	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1099	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1100
1101	WREG32(GB_ADDR_CONFIG, gb_addr_config);
1102	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1103	if (ASIC_IS_DCE6(rdev))
1104		WREG32(DMIF_ADDR_CALC, gb_addr_config);
1105	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1106	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
1107	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
1108	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
1109	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
1110	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
1111
1112	if ((rdev->config.cayman.max_backends_per_se == 1) &&
1113	    (rdev->flags & RADEON_IS_IGP)) {
1114		if ((disabled_rb_mask & 3) == 2) {
1115			/* RB1 disabled, RB0 enabled */
1116			tmp = 0x00000000;
1117		} else {
1118			/* RB0 disabled, RB1 enabled */
1119			tmp = 0x11111111;
1120		}
1121	} else {
1122		tmp = gb_addr_config & NUM_PIPES_MASK;
1123		tmp = r6xx_remap_render_backend(rdev, tmp,
1124						rdev->config.cayman.max_backends_per_se *
1125						rdev->config.cayman.max_shader_engines,
1126						CAYMAN_MAX_BACKENDS, disabled_rb_mask);
1127	}
1128	rdev->config.cayman.backend_map = tmp;
1129	WREG32(GB_BACKEND_MAP, tmp);
1130
1131	cgts_tcc_disable = 0xffff0000;
1132	for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
1133		cgts_tcc_disable &= ~(1 << (16 + i));
1134	WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
1135	WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
1136	WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
1137	WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
1138
1139	/* reprogram the shader complex */
1140	cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
1141	for (i = 0; i < 16; i++)
1142		WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
1143	WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
1144
1145	/* set HW defaults for 3D engine */
1146	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
1147
1148	sx_debug_1 = RREG32(SX_DEBUG_1);
1149	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1150	WREG32(SX_DEBUG_1, sx_debug_1);
1151
1152	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1153	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1154	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
1155	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1156
1157	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
1158
1159	/* need to be explicitly zero-ed */
1160	WREG32(VGT_OFFCHIP_LDS_BASE, 0);
1161	WREG32(SQ_LSTMP_RING_BASE, 0);
1162	WREG32(SQ_HSTMP_RING_BASE, 0);
1163	WREG32(SQ_ESTMP_RING_BASE, 0);
1164	WREG32(SQ_GSTMP_RING_BASE, 0);
1165	WREG32(SQ_VSTMP_RING_BASE, 0);
1166	WREG32(SQ_PSTMP_RING_BASE, 0);
1167
1168	WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
1169
1170	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
1171					POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
1172					SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
1173
1174	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
1175				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
1176				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
1177
1178
1179	WREG32(VGT_NUM_INSTANCES, 1);
1180
1181	WREG32(CP_PERFMON_CNTL, 0);
1182
1183	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
1184				  FETCH_FIFO_HIWATER(0x4) |
1185				  DONE_FIFO_HIWATER(0xe0) |
1186				  ALU_UPDATE_FIFO_HIWATER(0x8)));
1187
1188	WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
1189	WREG32(SQ_CONFIG, (VC_ENABLE |
1190			   EXPORT_SRC_C |
1191			   GFX_PRIO(0) |
1192			   CS1_PRIO(0) |
1193			   CS2_PRIO(1)));
1194	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
1195
1196	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1197					  FORCE_EOV_MAX_REZ_CNT(255)));
1198
1199	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
1200	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
1201
1202	WREG32(VGT_GS_VERTEX_REUSE, 16);
1203	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1204
1205	WREG32(CB_PERF_CTR0_SEL_0, 0);
1206	WREG32(CB_PERF_CTR0_SEL_1, 0);
1207	WREG32(CB_PERF_CTR1_SEL_0, 0);
1208	WREG32(CB_PERF_CTR1_SEL_1, 0);
1209	WREG32(CB_PERF_CTR2_SEL_0, 0);
1210	WREG32(CB_PERF_CTR2_SEL_1, 0);
1211	WREG32(CB_PERF_CTR3_SEL_0, 0);
1212	WREG32(CB_PERF_CTR3_SEL_1, 0);
1213
1214	tmp = RREG32(HDP_MISC_CNTL);
1215	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
1216	WREG32(HDP_MISC_CNTL, tmp);
1217
1218	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1219	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1220
1221	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1222
1223	udelay(50);
1224
1225	/* set clockgating golden values on TN */
1226	if (rdev->family == CHIP_ARUBA) {
1227		tmp = RREG32_CG(CG_CGTT_LOCAL_0);
1228		tmp &= ~0x00380000;
1229		WREG32_CG(CG_CGTT_LOCAL_0, tmp);
1230		tmp = RREG32_CG(CG_CGTT_LOCAL_1);
1231		tmp &= ~0x0e000000;
1232		WREG32_CG(CG_CGTT_LOCAL_1, tmp);
1233	}
1234}
1235
1236/*
1237 * GART
1238 */
1239void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
1240{
1241	/* flush hdp cache */
1242	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1243
1244	/* bits 0-7 are the VM contexts0-7 */
1245	WREG32(VM_INVALIDATE_REQUEST, 1);
1246}
1247
1248static int cayman_pcie_gart_enable(struct radeon_device *rdev)
1249{
1250	int i, r;
1251
1252	if (rdev->gart.robj == NULL) {
1253		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1254		return -EINVAL;
1255	}
1256	r = radeon_gart_table_vram_pin(rdev);
1257	if (r)
1258		return r;
1259	/* Setup TLB control */
1260	WREG32(MC_VM_MX_L1_TLB_CNTL,
1261	       (0xA << 7) |
1262	       ENABLE_L1_TLB |
1263	       ENABLE_L1_FRAGMENT_PROCESSING |
1264	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1265	       ENABLE_ADVANCED_DRIVER_MODEL |
1266	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1267	/* Setup L2 cache */
1268	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
1269	       ENABLE_L2_FRAGMENT_PROCESSING |
1270	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1271	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1272	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1273	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1274	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
1275	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1276	       BANK_SELECT(6) |
1277	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1278	/* setup context0 */
1279	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1280	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1281	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1282	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1283			(u32)(rdev->dummy_page.addr >> 12));
1284	WREG32(VM_CONTEXT0_CNTL2, 0);
1285	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1286				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1287
1288	WREG32(0x15D4, 0);
1289	WREG32(0x15D8, 0);
1290	WREG32(0x15DC, 0);
1291
1292	/* empty context1-7 */
1293	/* Assign the pt base to something valid for now; the pts used for
1294	 * the VMs are determined by the application and setup and assigned
1295	 * on the fly in the vm part of radeon_gart.c
1296	 */
1297	for (i = 1; i < 8; i++) {
1298		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
1299		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2),
1300			rdev->vm_manager.max_pfn - 1);
1301		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
1302		       rdev->vm_manager.saved_table_addr[i]);
1303	}
1304
1305	/* enable context1-7 */
1306	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
1307	       (u32)(rdev->dummy_page.addr >> 12));
1308	WREG32(VM_CONTEXT1_CNTL2, 4);
1309	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
1310				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
1311				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1312				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1313				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1314				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1315				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
1316				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
1317				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
1318				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
1319				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
1320				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
1321				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1322				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
1323
1324	cayman_pcie_gart_tlb_flush(rdev);
1325	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1326		 (unsigned)(rdev->mc.gtt_size >> 20),
1327		 (unsigned long long)rdev->gart.table_addr);
1328	rdev->gart.ready = true;
1329	return 0;
1330}
1331
1332static void cayman_pcie_gart_disable(struct radeon_device *rdev)
1333{
1334	unsigned i;
1335
1336	for (i = 1; i < 8; ++i) {
1337		rdev->vm_manager.saved_table_addr[i] = RREG32(
1338			VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2));
1339	}
1340
1341	/* Disable all tables */
1342	WREG32(VM_CONTEXT0_CNTL, 0);
1343	WREG32(VM_CONTEXT1_CNTL, 0);
1344	/* Setup TLB control */
1345	WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1346	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1347	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1348	/* Setup L2 cache */
1349	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1350	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1351	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1352	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1353	WREG32(VM_L2_CNTL2, 0);
1354	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1355	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1356	radeon_gart_table_vram_unpin(rdev);
1357}
1358
1359static void cayman_pcie_gart_fini(struct radeon_device *rdev)
1360{
1361	cayman_pcie_gart_disable(rdev);
1362	radeon_gart_table_vram_free(rdev);
1363	radeon_gart_fini(rdev);
1364}
1365
1366void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
1367			      int ring, u32 cp_int_cntl)
1368{
1369	WREG32(SRBM_GFX_CNTL, RINGID(ring));
1370	WREG32(CP_INT_CNTL, cp_int_cntl);
1371}
1372
1373/*
1374 * CP.
1375 */
1376void cayman_fence_ring_emit(struct radeon_device *rdev,
1377			    struct radeon_fence *fence)
1378{
1379	struct radeon_ring *ring = &rdev->ring[fence->ring];
1380	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
1381	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1382		PACKET3_SH_ACTION_ENA;
1383
1384	/* flush read cache over gart for this vmid */
1385	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1386	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1387	radeon_ring_write(ring, 0xFFFFFFFF);
1388	radeon_ring_write(ring, 0);
1389	radeon_ring_write(ring, 10); /* poll interval */
1390	/* EVENT_WRITE_EOP - flush caches, send int */
1391	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1392	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1393	radeon_ring_write(ring, lower_32_bits(addr));
1394	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1395	radeon_ring_write(ring, fence->seq);
1396	radeon_ring_write(ring, 0);
1397}
1398
1399void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1400{
1401	struct radeon_ring *ring = &rdev->ring[ib->ring];
1402	unsigned vm_id = ib->vm ? ib->vm->ids[ib->ring].id : 0;
1403	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1404		PACKET3_SH_ACTION_ENA;
1405
1406	/* set to DX10/11 mode */
1407	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1408	radeon_ring_write(ring, 1);
1409
1410	if (ring->rptr_save_reg) {
1411		uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
1412		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1413		radeon_ring_write(ring, ((ring->rptr_save_reg - 
1414					  PACKET3_SET_CONFIG_REG_START) >> 2));
1415		radeon_ring_write(ring, next_rptr);
1416	}
1417
1418	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1419	radeon_ring_write(ring,
1420#ifdef __BIG_ENDIAN
1421			  (2 << 0) |
1422#endif
1423			  (ib->gpu_addr & 0xFFFFFFFC));
1424	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1425	radeon_ring_write(ring, ib->length_dw | (vm_id << 24));
1426
1427	/* flush read cache over gart for this vmid */
1428	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1429	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1430	radeon_ring_write(ring, 0xFFFFFFFF);
1431	radeon_ring_write(ring, 0);
1432	radeon_ring_write(ring, (vm_id << 24) | 10); /* poll interval */
1433}
1434
1435static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1436{
1437	if (enable)
1438		WREG32(CP_ME_CNTL, 0);
1439	else {
1440		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1441			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1442		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1443		WREG32(SCRATCH_UMSK, 0);
1444		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1445	}
1446}
1447
1448u32 cayman_gfx_get_rptr(struct radeon_device *rdev,
1449			struct radeon_ring *ring)
1450{
1451	u32 rptr;
1452
1453	if (rdev->wb.enabled)
1454		rptr = rdev->wb.wb[ring->rptr_offs/4];
1455	else {
1456		if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1457			rptr = RREG32(CP_RB0_RPTR);
1458		else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1459			rptr = RREG32(CP_RB1_RPTR);
1460		else
1461			rptr = RREG32(CP_RB2_RPTR);
1462	}
1463
1464	return rptr;
1465}
1466
1467u32 cayman_gfx_get_wptr(struct radeon_device *rdev,
1468			struct radeon_ring *ring)
1469{
1470	u32 wptr;
1471
1472	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1473		wptr = RREG32(CP_RB0_WPTR);
1474	else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1475		wptr = RREG32(CP_RB1_WPTR);
1476	else
1477		wptr = RREG32(CP_RB2_WPTR);
1478
1479	return wptr;
1480}
1481
1482void cayman_gfx_set_wptr(struct radeon_device *rdev,
1483			 struct radeon_ring *ring)
1484{
1485	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) {
1486		WREG32(CP_RB0_WPTR, ring->wptr);
1487		(void)RREG32(CP_RB0_WPTR);
1488	} else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) {
1489		WREG32(CP_RB1_WPTR, ring->wptr);
1490		(void)RREG32(CP_RB1_WPTR);
1491	} else {
1492		WREG32(CP_RB2_WPTR, ring->wptr);
1493		(void)RREG32(CP_RB2_WPTR);
1494	}
1495}
1496
1497static int cayman_cp_load_microcode(struct radeon_device *rdev)
1498{
1499	const __be32 *fw_data;
1500	int i;
1501
1502	if (!rdev->me_fw || !rdev->pfp_fw)
1503		return -EINVAL;
1504
1505	cayman_cp_enable(rdev, false);
1506
1507	fw_data = (const __be32 *)rdev->pfp_fw->data;
1508	WREG32(CP_PFP_UCODE_ADDR, 0);
1509	for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1510		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1511	WREG32(CP_PFP_UCODE_ADDR, 0);
1512
1513	fw_data = (const __be32 *)rdev->me_fw->data;
1514	WREG32(CP_ME_RAM_WADDR, 0);
1515	for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1516		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1517
1518	WREG32(CP_PFP_UCODE_ADDR, 0);
1519	WREG32(CP_ME_RAM_WADDR, 0);
1520	WREG32(CP_ME_RAM_RADDR, 0);
1521	return 0;
1522}
1523
1524static int cayman_cp_start(struct radeon_device *rdev)
1525{
1526	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1527	int r, i;
1528
1529	r = radeon_ring_lock(rdev, ring, 7);
1530	if (r) {
1531		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1532		return r;
1533	}
1534	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1535	radeon_ring_write(ring, 0x1);
1536	radeon_ring_write(ring, 0x0);
1537	radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
1538	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1539	radeon_ring_write(ring, 0);
1540	radeon_ring_write(ring, 0);
1541	radeon_ring_unlock_commit(rdev, ring, false);
1542
1543	cayman_cp_enable(rdev, true);
1544
1545	r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
1546	if (r) {
1547		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1548		return r;
1549	}
1550
1551	/* setup clear context state */
1552	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1553	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1554
1555	for (i = 0; i < cayman_default_size; i++)
1556		radeon_ring_write(ring, cayman_default_state[i]);
1557
1558	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1559	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1560
1561	/* set clear context state */
1562	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1563	radeon_ring_write(ring, 0);
1564
1565	/* SQ_VTX_BASE_VTX_LOC */
1566	radeon_ring_write(ring, 0xc0026f00);
1567	radeon_ring_write(ring, 0x00000000);
1568	radeon_ring_write(ring, 0x00000000);
1569	radeon_ring_write(ring, 0x00000000);
1570
1571	/* Clear consts */
1572	radeon_ring_write(ring, 0xc0036f00);
1573	radeon_ring_write(ring, 0x00000bc4);
1574	radeon_ring_write(ring, 0xffffffff);
1575	radeon_ring_write(ring, 0xffffffff);
1576	radeon_ring_write(ring, 0xffffffff);
1577
1578	radeon_ring_write(ring, 0xc0026900);
1579	radeon_ring_write(ring, 0x00000316);
1580	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1581	radeon_ring_write(ring, 0x00000010); /*  */
1582
1583	radeon_ring_unlock_commit(rdev, ring, false);
1584
1585	/* XXX init other rings */
1586
1587	return 0;
1588}
1589
1590static void cayman_cp_fini(struct radeon_device *rdev)
1591{
1592	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1593	cayman_cp_enable(rdev, false);
1594	radeon_ring_fini(rdev, ring);
1595	radeon_scratch_free(rdev, ring->rptr_save_reg);
1596}
1597
1598static int cayman_cp_resume(struct radeon_device *rdev)
1599{
1600	static const int ridx[] = {
1601		RADEON_RING_TYPE_GFX_INDEX,
1602		CAYMAN_RING_TYPE_CP1_INDEX,
1603		CAYMAN_RING_TYPE_CP2_INDEX
1604	};
1605	static const unsigned cp_rb_cntl[] = {
1606		CP_RB0_CNTL,
1607		CP_RB1_CNTL,
1608		CP_RB2_CNTL,
1609	};
1610	static const unsigned cp_rb_rptr_addr[] = {
1611		CP_RB0_RPTR_ADDR,
1612		CP_RB1_RPTR_ADDR,
1613		CP_RB2_RPTR_ADDR
1614	};
1615	static const unsigned cp_rb_rptr_addr_hi[] = {
1616		CP_RB0_RPTR_ADDR_HI,
1617		CP_RB1_RPTR_ADDR_HI,
1618		CP_RB2_RPTR_ADDR_HI
1619	};
1620	static const unsigned cp_rb_base[] = {
1621		CP_RB0_BASE,
1622		CP_RB1_BASE,
1623		CP_RB2_BASE
1624	};
1625	static const unsigned cp_rb_rptr[] = {
1626		CP_RB0_RPTR,
1627		CP_RB1_RPTR,
1628		CP_RB2_RPTR
1629	};
1630	static const unsigned cp_rb_wptr[] = {
1631		CP_RB0_WPTR,
1632		CP_RB1_WPTR,
1633		CP_RB2_WPTR
1634	};
1635	struct radeon_ring *ring;
1636	int i, r;
1637
1638	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1639	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1640				 SOFT_RESET_PA |
1641				 SOFT_RESET_SH |
1642				 SOFT_RESET_VGT |
1643				 SOFT_RESET_SPI |
1644				 SOFT_RESET_SX));
1645	RREG32(GRBM_SOFT_RESET);
1646	mdelay(15);
1647	WREG32(GRBM_SOFT_RESET, 0);
1648	RREG32(GRBM_SOFT_RESET);
1649
1650	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1651	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1652
1653	/* Set the write pointer delay */
1654	WREG32(CP_RB_WPTR_DELAY, 0);
1655
1656	WREG32(CP_DEBUG, (1 << 27));
1657
1658	/* set the wb address whether it's enabled or not */
1659	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1660	WREG32(SCRATCH_UMSK, 0xff);
1661
1662	for (i = 0; i < 3; ++i) {
1663		uint32_t rb_cntl;
1664		uint64_t addr;
1665
1666		/* Set ring buffer size */
1667		ring = &rdev->ring[ridx[i]];
1668		rb_cntl = order_base_2(ring->ring_size / 8);
1669		rb_cntl |= order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8;
1670#ifdef __BIG_ENDIAN
1671		rb_cntl |= BUF_SWAP_32BIT;
1672#endif
1673		WREG32(cp_rb_cntl[i], rb_cntl);
1674
1675		/* set the wb address whether it's enabled or not */
1676		addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1677		WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1678		WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1679	}
1680
1681	/* set the rb base addr, this causes an internal reset of ALL rings */
1682	for (i = 0; i < 3; ++i) {
1683		ring = &rdev->ring[ridx[i]];
1684		WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1685	}
1686
1687	for (i = 0; i < 3; ++i) {
1688		/* Initialize the ring buffer's read and write pointers */
1689		ring = &rdev->ring[ridx[i]];
1690		WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1691
1692		ring->wptr = 0;
1693		WREG32(cp_rb_rptr[i], 0);
1694		WREG32(cp_rb_wptr[i], ring->wptr);
1695
1696		mdelay(1);
1697		WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1698	}
1699
1700	/* start the rings */
1701	cayman_cp_start(rdev);
1702	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1703	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1704	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1705	/* this only test cp0 */
1706	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1707	if (r) {
1708		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1709		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1710		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1711		return r;
1712	}
1713
1714	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1715		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1716
1717	return 0;
1718}
1719
1720u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
1721{
1722	u32 reset_mask = 0;
1723	u32 tmp;
1724
1725	/* GRBM_STATUS */
1726	tmp = RREG32(GRBM_STATUS);
1727	if (tmp & (PA_BUSY | SC_BUSY |
1728		   SH_BUSY | SX_BUSY |
1729		   TA_BUSY | VGT_BUSY |
1730		   DB_BUSY | CB_BUSY |
1731		   GDS_BUSY | SPI_BUSY |
1732		   IA_BUSY | IA_BUSY_NO_DMA))
1733		reset_mask |= RADEON_RESET_GFX;
1734
1735	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
1736		   CP_BUSY | CP_COHERENCY_BUSY))
1737		reset_mask |= RADEON_RESET_CP;
1738
1739	if (tmp & GRBM_EE_BUSY)
1740		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1741
1742	/* DMA_STATUS_REG 0 */
1743	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
1744	if (!(tmp & DMA_IDLE))
1745		reset_mask |= RADEON_RESET_DMA;
1746
1747	/* DMA_STATUS_REG 1 */
1748	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
1749	if (!(tmp & DMA_IDLE))
1750		reset_mask |= RADEON_RESET_DMA1;
1751
1752	/* SRBM_STATUS2 */
1753	tmp = RREG32(SRBM_STATUS2);
1754	if (tmp & DMA_BUSY)
1755		reset_mask |= RADEON_RESET_DMA;
1756
1757	if (tmp & DMA1_BUSY)
1758		reset_mask |= RADEON_RESET_DMA1;
1759
1760	/* SRBM_STATUS */
1761	tmp = RREG32(SRBM_STATUS);
1762	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
1763		reset_mask |= RADEON_RESET_RLC;
1764
1765	if (tmp & IH_BUSY)
1766		reset_mask |= RADEON_RESET_IH;
1767
1768	if (tmp & SEM_BUSY)
1769		reset_mask |= RADEON_RESET_SEM;
1770
1771	if (tmp & GRBM_RQ_PENDING)
1772		reset_mask |= RADEON_RESET_GRBM;
1773
1774	if (tmp & VMC_BUSY)
1775		reset_mask |= RADEON_RESET_VMC;
1776
1777	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
1778		   MCC_BUSY | MCD_BUSY))
1779		reset_mask |= RADEON_RESET_MC;
1780
1781	if (evergreen_is_display_hung(rdev))
1782		reset_mask |= RADEON_RESET_DISPLAY;
1783
1784	/* VM_L2_STATUS */
1785	tmp = RREG32(VM_L2_STATUS);
1786	if (tmp & L2_BUSY)
1787		reset_mask |= RADEON_RESET_VMC;
1788
1789	/* Skip MC reset as it's mostly likely not hung, just busy */
1790	if (reset_mask & RADEON_RESET_MC) {
1791		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1792		reset_mask &= ~RADEON_RESET_MC;
1793	}
1794
1795	return reset_mask;
1796}
1797
1798static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1799{
1800	struct evergreen_mc_save save;
1801	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1802	u32 tmp;
1803
1804	if (reset_mask == 0)
1805		return;
1806
1807	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1808
1809	evergreen_print_gpu_status_regs(rdev);
1810	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1811		 RREG32(0x14F8));
1812	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1813		 RREG32(0x14D8));
1814	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1815		 RREG32(0x14FC));
1816	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1817		 RREG32(0x14DC));
1818
1819	/* Disable CP parsing/prefetching */
1820	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1821
1822	if (reset_mask & RADEON_RESET_DMA) {
1823		/* dma0 */
1824		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1825		tmp &= ~DMA_RB_ENABLE;
1826		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
1827	}
1828
1829	if (reset_mask & RADEON_RESET_DMA1) {
1830		/* dma1 */
1831		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1832		tmp &= ~DMA_RB_ENABLE;
1833		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
1834	}
1835
1836	udelay(50);
1837
1838	evergreen_mc_stop(rdev, &save);
1839	if (evergreen_mc_wait_for_idle(rdev)) {
1840		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1841	}
1842
1843	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1844		grbm_soft_reset = SOFT_RESET_CB |
1845			SOFT_RESET_DB |
1846			SOFT_RESET_GDS |
1847			SOFT_RESET_PA |
1848			SOFT_RESET_SC |
1849			SOFT_RESET_SPI |
1850			SOFT_RESET_SH |
1851			SOFT_RESET_SX |
1852			SOFT_RESET_TC |
1853			SOFT_RESET_TA |
1854			SOFT_RESET_VGT |
1855			SOFT_RESET_IA;
1856	}
1857
1858	if (reset_mask & RADEON_RESET_CP) {
1859		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
1860
1861		srbm_soft_reset |= SOFT_RESET_GRBM;
1862	}
1863
1864	if (reset_mask & RADEON_RESET_DMA)
1865		srbm_soft_reset |= SOFT_RESET_DMA;
1866
1867	if (reset_mask & RADEON_RESET_DMA1)
1868		srbm_soft_reset |= SOFT_RESET_DMA1;
1869
1870	if (reset_mask & RADEON_RESET_DISPLAY)
1871		srbm_soft_reset |= SOFT_RESET_DC;
1872
1873	if (reset_mask & RADEON_RESET_RLC)
1874		srbm_soft_reset |= SOFT_RESET_RLC;
1875
1876	if (reset_mask & RADEON_RESET_SEM)
1877		srbm_soft_reset |= SOFT_RESET_SEM;
1878
1879	if (reset_mask & RADEON_RESET_IH)
1880		srbm_soft_reset |= SOFT_RESET_IH;
1881
1882	if (reset_mask & RADEON_RESET_GRBM)
1883		srbm_soft_reset |= SOFT_RESET_GRBM;
1884
1885	if (reset_mask & RADEON_RESET_VMC)
1886		srbm_soft_reset |= SOFT_RESET_VMC;
1887
1888	if (!(rdev->flags & RADEON_IS_IGP)) {
1889		if (reset_mask & RADEON_RESET_MC)
1890			srbm_soft_reset |= SOFT_RESET_MC;
1891	}
1892
1893	if (grbm_soft_reset) {
1894		tmp = RREG32(GRBM_SOFT_RESET);
1895		tmp |= grbm_soft_reset;
1896		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
1897		WREG32(GRBM_SOFT_RESET, tmp);
1898		tmp = RREG32(GRBM_SOFT_RESET);
1899
1900		udelay(50);
1901
1902		tmp &= ~grbm_soft_reset;
1903		WREG32(GRBM_SOFT_RESET, tmp);
1904		tmp = RREG32(GRBM_SOFT_RESET);
1905	}
1906
1907	if (srbm_soft_reset) {
1908		tmp = RREG32(SRBM_SOFT_RESET);
1909		tmp |= srbm_soft_reset;
1910		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1911		WREG32(SRBM_SOFT_RESET, tmp);
1912		tmp = RREG32(SRBM_SOFT_RESET);
1913
1914		udelay(50);
1915
1916		tmp &= ~srbm_soft_reset;
1917		WREG32(SRBM_SOFT_RESET, tmp);
1918		tmp = RREG32(SRBM_SOFT_RESET);
1919	}
1920
1921	/* Wait a little for things to settle down */
1922	udelay(50);
1923
1924	evergreen_mc_resume(rdev, &save);
1925	udelay(50);
1926
1927	evergreen_print_gpu_status_regs(rdev);
1928}
1929
1930int cayman_asic_reset(struct radeon_device *rdev, bool hard)
1931{
1932	u32 reset_mask;
1933
1934	if (hard) {
1935		evergreen_gpu_pci_config_reset(rdev);
1936		return 0;
1937	}
1938
1939	reset_mask = cayman_gpu_check_soft_reset(rdev);
1940
1941	if (reset_mask)
1942		r600_set_bios_scratch_engine_hung(rdev, true);
1943
1944	cayman_gpu_soft_reset(rdev, reset_mask);
1945
1946	reset_mask = cayman_gpu_check_soft_reset(rdev);
1947
1948	if (reset_mask)
1949		evergreen_gpu_pci_config_reset(rdev);
1950
1951	r600_set_bios_scratch_engine_hung(rdev, false);
1952
1953	return 0;
1954}
1955
1956/**
1957 * cayman_gfx_is_lockup - Check if the GFX engine is locked up
1958 *
1959 * @rdev: radeon_device pointer
1960 * @ring: radeon_ring structure holding ring information
1961 *
1962 * Check if the GFX engine is locked up.
1963 * Returns true if the engine appears to be locked up, false if not.
1964 */
1965bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1966{
1967	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
1968
1969	if (!(reset_mask & (RADEON_RESET_GFX |
1970			    RADEON_RESET_COMPUTE |
1971			    RADEON_RESET_CP))) {
1972		radeon_ring_lockup_update(rdev, ring);
1973		return false;
1974	}
1975	return radeon_ring_test_lockup(rdev, ring);
1976}
1977
1978static void cayman_uvd_init(struct radeon_device *rdev)
1979{
1980	int r;
1981
1982	if (!rdev->has_uvd)
1983		return;
1984
1985	r = radeon_uvd_init(rdev);
1986	if (r) {
1987		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
1988		/*
1989		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
1990		 * to early fails uvd_v2_2_resume() and thus nothing happens
1991		 * there. So it is pointless to try to go through that code
1992		 * hence why we disable uvd here.
1993		 */
1994		rdev->has_uvd = false;
1995		return;
1996	}
1997	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
1998	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
1999}
2000
2001static void cayman_uvd_start(struct radeon_device *rdev)
2002{
2003	int r;
2004
2005	if (!rdev->has_uvd)
2006		return;
2007
2008	r = uvd_v2_2_resume(rdev);
2009	if (r) {
2010		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
2011		goto error;
2012	}
2013	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
2014	if (r) {
2015		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
2016		goto error;
2017	}
2018	return;
2019
2020error:
2021	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
2022}
2023
2024static void cayman_uvd_resume(struct radeon_device *rdev)
2025{
2026	struct radeon_ring *ring;
2027	int r;
2028
2029	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
2030		return;
2031
2032	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2033	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0));
2034	if (r) {
2035		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
2036		return;
2037	}
2038	r = uvd_v1_0_init(rdev);
2039	if (r) {
2040		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
2041		return;
2042	}
2043}
2044
2045static void cayman_vce_init(struct radeon_device *rdev)
2046{
2047	int r;
2048
2049	/* Only set for CHIP_ARUBA */
2050	if (!rdev->has_vce)
2051		return;
2052
2053	r = radeon_vce_init(rdev);
2054	if (r) {
2055		dev_err(rdev->dev, "failed VCE (%d) init.\n", r);
2056		/*
2057		 * At this point rdev->vce.vcpu_bo is NULL which trickles down
2058		 * to early fails cayman_vce_start() and thus nothing happens
2059		 * there. So it is pointless to try to go through that code
2060		 * hence why we disable vce here.
2061		 */
2062		rdev->has_vce = false;
2063		return;
2064	}
2065	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_obj = NULL;
2066	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE1_INDEX], 4096);
2067	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_obj = NULL;
2068	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE2_INDEX], 4096);
2069}
2070
2071static void cayman_vce_start(struct radeon_device *rdev)
2072{
2073	int r;
2074
2075	if (!rdev->has_vce)
2076		return;
2077
2078	r = radeon_vce_resume(rdev);
2079	if (r) {
2080		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
2081		goto error;
2082	}
2083	r = vce_v1_0_resume(rdev);
2084	if (r) {
2085		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
2086		goto error;
2087	}
2088	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE1_INDEX);
2089	if (r) {
2090		dev_err(rdev->dev, "failed initializing VCE1 fences (%d).\n", r);
2091		goto error;
2092	}
2093	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE2_INDEX);
2094	if (r) {
2095		dev_err(rdev->dev, "failed initializing VCE2 fences (%d).\n", r);
2096		goto error;
2097	}
2098	return;
2099
2100error:
2101	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size = 0;
2102	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_size = 0;
2103}
2104
2105static void cayman_vce_resume(struct radeon_device *rdev)
2106{
2107	struct radeon_ring *ring;
2108	int r;
2109
2110	if (!rdev->has_vce || !rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size)
2111		return;
2112
2113	ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
2114	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2115	if (r) {
2116		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
2117		return;
2118	}
2119	ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
2120	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2121	if (r) {
2122		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
2123		return;
2124	}
2125	r = vce_v1_0_init(rdev);
2126	if (r) {
2127		dev_err(rdev->dev, "failed initializing VCE (%d).\n", r);
2128		return;
2129	}
2130}
2131
2132static int cayman_startup(struct radeon_device *rdev)
2133{
2134	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2135	int r;
2136
2137	/* enable pcie gen2 link */
2138	evergreen_pcie_gen2_enable(rdev);
2139	/* enable aspm */
2140	evergreen_program_aspm(rdev);
2141
2142	/* scratch needs to be initialized before MC */
2143	r = r600_vram_scratch_init(rdev);
2144	if (r)
2145		return r;
2146
2147	evergreen_mc_program(rdev);
2148
2149	if (!(rdev->flags & RADEON_IS_IGP) && !rdev->pm.dpm_enabled) {
2150		r = ni_mc_load_microcode(rdev);
2151		if (r) {
2152			DRM_ERROR("Failed to load MC firmware!\n");
2153			return r;
2154		}
2155	}
2156
2157	r = cayman_pcie_gart_enable(rdev);
2158	if (r)
2159		return r;
2160	cayman_gpu_init(rdev);
2161
2162	/* allocate rlc buffers */
2163	if (rdev->flags & RADEON_IS_IGP) {
2164		rdev->rlc.reg_list = tn_rlc_save_restore_register_list;
2165		rdev->rlc.reg_list_size =
2166			(u32)ARRAY_SIZE(tn_rlc_save_restore_register_list);
2167		rdev->rlc.cs_data = cayman_cs_data;
2168		r = sumo_rlc_init(rdev);
2169		if (r) {
2170			DRM_ERROR("Failed to init rlc BOs!\n");
2171			return r;
2172		}
2173	}
2174
2175	/* allocate wb buffer */
2176	r = radeon_wb_init(rdev);
2177	if (r)
2178		return r;
2179
2180	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
2181	if (r) {
2182		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2183		return r;
2184	}
2185
2186	cayman_uvd_start(rdev);
2187	cayman_vce_start(rdev);
2188
2189	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
2190	if (r) {
2191		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2192		return r;
2193	}
2194
2195	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
2196	if (r) {
2197		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2198		return r;
2199	}
2200
2201	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
2202	if (r) {
2203		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2204		return r;
2205	}
2206
2207	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
2208	if (r) {
2209		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2210		return r;
2211	}
2212
2213	/* Enable IRQ */
2214	if (!rdev->irq.installed) {
2215		r = radeon_irq_kms_init(rdev);
2216		if (r)
2217			return r;
2218	}
2219
2220	r = r600_irq_init(rdev);
2221	if (r) {
2222		DRM_ERROR("radeon: IH init failed (%d).\n", r);
2223		radeon_irq_kms_fini(rdev);
2224		return r;
2225	}
2226	evergreen_irq_set(rdev);
2227
2228	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
2229			     RADEON_CP_PACKET2);
2230	if (r)
2231		return r;
2232
2233	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2234	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
2235			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2236	if (r)
2237		return r;
2238
2239	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2240	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
2241			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2242	if (r)
2243		return r;
2244
2245	r = cayman_cp_load_microcode(rdev);
2246	if (r)
2247		return r;
2248	r = cayman_cp_resume(rdev);
2249	if (r)
2250		return r;
2251
2252	r = cayman_dma_resume(rdev);
2253	if (r)
2254		return r;
2255
2256	cayman_uvd_resume(rdev);
2257	cayman_vce_resume(rdev);
2258
2259	r = radeon_ib_pool_init(rdev);
2260	if (r) {
2261		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2262		return r;
2263	}
2264
2265	r = radeon_vm_manager_init(rdev);
2266	if (r) {
2267		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
2268		return r;
2269	}
2270
2271	r = radeon_audio_init(rdev);
2272	if (r)
2273		return r;
2274
2275	return 0;
2276}
2277
2278int cayman_resume(struct radeon_device *rdev)
2279{
2280	int r;
2281
2282	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2283	 * posting will perform necessary task to bring back GPU into good
2284	 * shape.
2285	 */
2286	/* post card */
2287	atom_asic_init(rdev->mode_info.atom_context);
2288
2289	/* init golden registers */
2290	ni_init_golden_registers(rdev);
2291
2292	if (rdev->pm.pm_method == PM_METHOD_DPM)
2293		radeon_pm_resume(rdev);
2294
2295	rdev->accel_working = true;
2296	r = cayman_startup(rdev);
2297	if (r) {
2298		DRM_ERROR("cayman startup failed on resume\n");
2299		rdev->accel_working = false;
2300		return r;
2301	}
2302	return r;
2303}
2304
2305int cayman_suspend(struct radeon_device *rdev)
2306{
2307	radeon_pm_suspend(rdev);
2308	radeon_audio_fini(rdev);
2309	radeon_vm_manager_fini(rdev);
2310	cayman_cp_enable(rdev, false);
2311	cayman_dma_stop(rdev);
2312	if (rdev->has_uvd) {
2313		radeon_uvd_suspend(rdev);
2314		uvd_v1_0_fini(rdev);
2315	}
2316	evergreen_irq_suspend(rdev);
2317	radeon_wb_disable(rdev);
2318	cayman_pcie_gart_disable(rdev);
2319	return 0;
2320}
2321
2322/* Plan is to move initialization in that function and use
2323 * helper function so that radeon_device_init pretty much
2324 * do nothing more than calling asic specific function. This
2325 * should also allow to remove a bunch of callback function
2326 * like vram_info.
2327 */
2328int cayman_init(struct radeon_device *rdev)
2329{
2330	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2331	int r;
2332
2333	/* Read BIOS */
2334	if (!radeon_get_bios(rdev)) {
2335		if (ASIC_IS_AVIVO(rdev))
2336			return -EINVAL;
2337	}
2338	/* Must be an ATOMBIOS */
2339	if (!rdev->is_atom_bios) {
2340		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
2341		return -EINVAL;
2342	}
2343	r = radeon_atombios_init(rdev);
2344	if (r)
2345		return r;
2346
2347	/* Post card if necessary */
2348	if (!radeon_card_posted(rdev)) {
2349		if (!rdev->bios) {
2350			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2351			return -EINVAL;
2352		}
2353		DRM_INFO("GPU not posted. posting now...\n");
2354		atom_asic_init(rdev->mode_info.atom_context);
2355	}
2356	/* init golden registers */
2357	ni_init_golden_registers(rdev);
2358	/* Initialize scratch registers */
2359	r600_scratch_init(rdev);
2360	/* Initialize surface registers */
2361	radeon_surface_init(rdev);
2362	/* Initialize clocks */
2363	radeon_get_clock_info(rdev_to_drm(rdev));
2364	/* Fence driver */
2365	radeon_fence_driver_init(rdev);
2366	/* initialize memory controller */
2367	r = evergreen_mc_init(rdev);
2368	if (r)
2369		return r;
2370	/* Memory manager */
2371	r = radeon_bo_init(rdev);
2372	if (r)
2373		return r;
2374
2375	if (rdev->flags & RADEON_IS_IGP) {
2376		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2377			r = ni_init_microcode(rdev);
2378			if (r) {
2379				DRM_ERROR("Failed to load firmware!\n");
2380				return r;
2381			}
2382		}
2383	} else {
2384		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2385			r = ni_init_microcode(rdev);
2386			if (r) {
2387				DRM_ERROR("Failed to load firmware!\n");
2388				return r;
2389			}
2390		}
2391	}
2392
2393	/* Initialize power management */
2394	radeon_pm_init(rdev);
2395
2396	ring->ring_obj = NULL;
2397	r600_ring_init(rdev, ring, 1024 * 1024);
2398
2399	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2400	ring->ring_obj = NULL;
2401	r600_ring_init(rdev, ring, 64 * 1024);
2402
2403	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2404	ring->ring_obj = NULL;
2405	r600_ring_init(rdev, ring, 64 * 1024);
2406
2407	cayman_uvd_init(rdev);
2408	cayman_vce_init(rdev);
2409
2410	rdev->ih.ring_obj = NULL;
2411	r600_ih_ring_init(rdev, 64 * 1024);
2412
2413	r = r600_pcie_gart_init(rdev);
2414	if (r)
2415		return r;
2416
2417	rdev->accel_working = true;
2418	r = cayman_startup(rdev);
2419	if (r) {
2420		dev_err(rdev->dev, "disabling GPU acceleration\n");
2421		cayman_cp_fini(rdev);
2422		cayman_dma_fini(rdev);
2423		r600_irq_fini(rdev);
2424		if (rdev->flags & RADEON_IS_IGP)
2425			sumo_rlc_fini(rdev);
2426		radeon_wb_fini(rdev);
2427		radeon_ib_pool_fini(rdev);
2428		radeon_vm_manager_fini(rdev);
2429		radeon_irq_kms_fini(rdev);
2430		cayman_pcie_gart_fini(rdev);
2431		rdev->accel_working = false;
2432	}
2433
2434	/* Don't start up if the MC ucode is missing.
2435	 * The default clocks and voltages before the MC ucode
2436	 * is loaded are not suffient for advanced operations.
2437	 *
2438	 * We can skip this check for TN, because there is no MC
2439	 * ucode.
2440	 */
2441	if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
2442		DRM_ERROR("radeon: MC ucode required for NI+.\n");
2443		return -EINVAL;
2444	}
2445
2446	return 0;
2447}
2448
2449void cayman_fini(struct radeon_device *rdev)
2450{
2451	radeon_pm_fini(rdev);
2452	cayman_cp_fini(rdev);
2453	cayman_dma_fini(rdev);
2454	r600_irq_fini(rdev);
2455	if (rdev->flags & RADEON_IS_IGP)
2456		sumo_rlc_fini(rdev);
2457	radeon_wb_fini(rdev);
2458	radeon_vm_manager_fini(rdev);
2459	radeon_ib_pool_fini(rdev);
2460	radeon_irq_kms_fini(rdev);
2461	uvd_v1_0_fini(rdev);
2462	radeon_uvd_fini(rdev);
2463	if (rdev->has_vce)
2464		radeon_vce_fini(rdev);
2465	cayman_pcie_gart_fini(rdev);
2466	r600_vram_scratch_fini(rdev);
2467	radeon_gem_fini(rdev);
2468	radeon_fence_driver_fini(rdev);
2469	radeon_bo_fini(rdev);
2470	radeon_atombios_fini(rdev);
2471	kfree(rdev->bios);
2472	rdev->bios = NULL;
2473}
2474
2475/*
2476 * vm
2477 */
2478int cayman_vm_init(struct radeon_device *rdev)
2479{
2480	/* number of VMs */
2481	rdev->vm_manager.nvm = 8;
2482	/* base offset of vram pages */
2483	if (rdev->flags & RADEON_IS_IGP) {
2484		u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
2485		tmp <<= 22;
2486		rdev->vm_manager.vram_base_offset = tmp;
2487	} else
2488		rdev->vm_manager.vram_base_offset = 0;
2489	return 0;
2490}
2491
2492void cayman_vm_fini(struct radeon_device *rdev)
2493{
2494}
2495
2496/**
2497 * cayman_vm_decode_fault - print human readable fault info
2498 *
2499 * @rdev: radeon_device pointer
2500 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
2501 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
2502 *
2503 * Print human readable fault information (cayman/TN).
2504 */
2505void cayman_vm_decode_fault(struct radeon_device *rdev,
2506			    u32 status, u32 addr)
2507{
2508	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
2509	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
2510	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
2511	char *block;
2512
2513	switch (mc_id) {
2514	case 32:
2515	case 16:
2516	case 96:
2517	case 80:
2518	case 160:
2519	case 144:
2520	case 224:
2521	case 208:
2522		block = "CB";
2523		break;
2524	case 33:
2525	case 17:
2526	case 97:
2527	case 81:
2528	case 161:
2529	case 145:
2530	case 225:
2531	case 209:
2532		block = "CB_FMASK";
2533		break;
2534	case 34:
2535	case 18:
2536	case 98:
2537	case 82:
2538	case 162:
2539	case 146:
2540	case 226:
2541	case 210:
2542		block = "CB_CMASK";
2543		break;
2544	case 35:
2545	case 19:
2546	case 99:
2547	case 83:
2548	case 163:
2549	case 147:
2550	case 227:
2551	case 211:
2552		block = "CB_IMMED";
2553		break;
2554	case 36:
2555	case 20:
2556	case 100:
2557	case 84:
2558	case 164:
2559	case 148:
2560	case 228:
2561	case 212:
2562		block = "DB";
2563		break;
2564	case 37:
2565	case 21:
2566	case 101:
2567	case 85:
2568	case 165:
2569	case 149:
2570	case 229:
2571	case 213:
2572		block = "DB_HTILE";
2573		break;
2574	case 38:
2575	case 22:
2576	case 102:
2577	case 86:
2578	case 166:
2579	case 150:
2580	case 230:
2581	case 214:
2582		block = "SX";
2583		break;
2584	case 39:
2585	case 23:
2586	case 103:
2587	case 87:
2588	case 167:
2589	case 151:
2590	case 231:
2591	case 215:
2592		block = "DB_STEN";
2593		break;
2594	case 40:
2595	case 24:
2596	case 104:
2597	case 88:
2598	case 232:
2599	case 216:
2600	case 168:
2601	case 152:
2602		block = "TC_TFETCH";
2603		break;
2604	case 41:
2605	case 25:
2606	case 105:
2607	case 89:
2608	case 233:
2609	case 217:
2610	case 169:
2611	case 153:
2612		block = "TC_VFETCH";
2613		break;
2614	case 42:
2615	case 26:
2616	case 106:
2617	case 90:
2618	case 234:
2619	case 218:
2620	case 170:
2621	case 154:
2622		block = "VC";
2623		break;
2624	case 112:
2625		block = "CP";
2626		break;
2627	case 113:
2628	case 114:
2629		block = "SH";
2630		break;
2631	case 115:
2632		block = "VGT";
2633		break;
2634	case 178:
2635		block = "IH";
2636		break;
2637	case 51:
2638		block = "RLC";
2639		break;
2640	case 55:
2641		block = "DMA";
2642		break;
2643	case 56:
2644		block = "HDP";
2645		break;
2646	default:
2647		block = "unknown";
2648		break;
2649	}
2650
2651	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
2652	       protections, vmid, addr,
2653	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
2654	       block, mc_id);
2655}
2656
2657/*
2658 * cayman_vm_flush - vm flush using the CP
2659 *
2660 * Update the page table base and flush the VM TLB
2661 * using the CP (cayman-si).
2662 */
2663void cayman_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
2664		     unsigned vm_id, uint64_t pd_addr)
2665{
2666	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm_id << 2), 0));
2667	radeon_ring_write(ring, pd_addr >> 12);
2668
2669	/* flush hdp cache */
2670	radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
2671	radeon_ring_write(ring, 0x1);
2672
2673	/* bits 0-7 are the VM contexts0-7 */
2674	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
2675	radeon_ring_write(ring, 1 << vm_id);
2676
2677	/* wait for the invalidate to complete */
2678	radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
2679	radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) |  /* always */
2680				 WAIT_REG_MEM_ENGINE(0))); /* me */
2681	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
2682	radeon_ring_write(ring, 0);
2683	radeon_ring_write(ring, 0); /* ref */
2684	radeon_ring_write(ring, 0); /* mask */
2685	radeon_ring_write(ring, 0x20); /* poll interval */
2686
2687	/* sync PFP to ME, otherwise we might get invalid PFP reads */
2688	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2689	radeon_ring_write(ring, 0x0);
2690}
2691
2692int tn_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk)
2693{
2694	struct atom_clock_dividers dividers;
2695	int r, i;
2696
2697	r = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
2698					   ecclk, false, &dividers);
2699	if (r)
2700		return r;
2701
2702	for (i = 0; i < 100; i++) {
2703		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2704			break;
2705		mdelay(10);
2706	}
2707	if (i == 100)
2708		return -ETIMEDOUT;
2709
2710	WREG32_P(CG_ECLK_CNTL, dividers.post_div, ~(ECLK_DIR_CNTL_EN|ECLK_DIVIDER_MASK));
2711
2712	for (i = 0; i < 100; i++) {
2713		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2714			break;
2715		mdelay(10);
2716	}
2717	if (i == 100)
2718		return -ETIMEDOUT;
2719
2720	return 0;
2721}
v6.2
   1/*
   2 * Copyright 2010 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 * Authors: Alex Deucher
  23 */
  24
  25#include <linux/firmware.h>
  26#include <linux/module.h>
  27#include <linux/pci.h>
  28#include <linux/slab.h>
  29
  30#include <drm/radeon_drm.h>
  31
  32#include "atom.h"
  33#include "cayman_blit_shaders.h"
  34#include "clearstate_cayman.h"
  35#include "evergreen.h"
  36#include "ni.h"
  37#include "ni_reg.h"
  38#include "nid.h"
  39#include "radeon.h"
  40#include "radeon_asic.h"
  41#include "radeon_audio.h"
  42#include "radeon_ucode.h"
  43
  44/*
  45 * Indirect registers accessor
  46 */
  47u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg)
  48{
  49	unsigned long flags;
  50	u32 r;
  51
  52	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
  53	WREG32(TN_SMC_IND_INDEX_0, (reg));
  54	r = RREG32(TN_SMC_IND_DATA_0);
  55	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
  56	return r;
  57}
  58
  59void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
  60{
  61	unsigned long flags;
  62
  63	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
  64	WREG32(TN_SMC_IND_INDEX_0, (reg));
  65	WREG32(TN_SMC_IND_DATA_0, (v));
  66	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
  67}
  68
  69static const u32 tn_rlc_save_restore_register_list[] =
  70{
  71	0x98fc,
  72	0x98f0,
  73	0x9834,
  74	0x9838,
  75	0x9870,
  76	0x9874,
  77	0x8a14,
  78	0x8b24,
  79	0x8bcc,
  80	0x8b10,
  81	0x8c30,
  82	0x8d00,
  83	0x8d04,
  84	0x8c00,
  85	0x8c04,
  86	0x8c10,
  87	0x8c14,
  88	0x8d8c,
  89	0x8cf0,
  90	0x8e38,
  91	0x9508,
  92	0x9688,
  93	0x9608,
  94	0x960c,
  95	0x9610,
  96	0x9614,
  97	0x88c4,
  98	0x8978,
  99	0x88d4,
 100	0x900c,
 101	0x9100,
 102	0x913c,
 103	0x90e8,
 104	0x9354,
 105	0xa008,
 106	0x98f8,
 107	0x9148,
 108	0x914c,
 109	0x3f94,
 110	0x98f4,
 111	0x9b7c,
 112	0x3f8c,
 113	0x8950,
 114	0x8954,
 115	0x8a18,
 116	0x8b28,
 117	0x9144,
 118	0x3f90,
 119	0x915c,
 120	0x9160,
 121	0x9178,
 122	0x917c,
 123	0x9180,
 124	0x918c,
 125	0x9190,
 126	0x9194,
 127	0x9198,
 128	0x919c,
 129	0x91a8,
 130	0x91ac,
 131	0x91b0,
 132	0x91b4,
 133	0x91b8,
 134	0x91c4,
 135	0x91c8,
 136	0x91cc,
 137	0x91d0,
 138	0x91d4,
 139	0x91e0,
 140	0x91e4,
 141	0x91ec,
 142	0x91f0,
 143	0x91f4,
 144	0x9200,
 145	0x9204,
 146	0x929c,
 147	0x8030,
 148	0x9150,
 149	0x9a60,
 150	0x920c,
 151	0x9210,
 152	0x9228,
 153	0x922c,
 154	0x9244,
 155	0x9248,
 156	0x91e8,
 157	0x9294,
 158	0x9208,
 159	0x9224,
 160	0x9240,
 161	0x9220,
 162	0x923c,
 163	0x9258,
 164	0x9744,
 165	0xa200,
 166	0xa204,
 167	0xa208,
 168	0xa20c,
 169	0x8d58,
 170	0x9030,
 171	0x9034,
 172	0x9038,
 173	0x903c,
 174	0x9040,
 175	0x9654,
 176	0x897c,
 177	0xa210,
 178	0xa214,
 179	0x9868,
 180	0xa02c,
 181	0x9664,
 182	0x9698,
 183	0x949c,
 184	0x8e10,
 185	0x8e18,
 186	0x8c50,
 187	0x8c58,
 188	0x8c60,
 189	0x8c68,
 190	0x89b4,
 191	0x9830,
 192	0x802c,
 193};
 194
 195/* Firmware Names */
 196MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
 197MODULE_FIRMWARE("radeon/BARTS_me.bin");
 198MODULE_FIRMWARE("radeon/BARTS_mc.bin");
 199MODULE_FIRMWARE("radeon/BARTS_smc.bin");
 200MODULE_FIRMWARE("radeon/BTC_rlc.bin");
 201MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
 202MODULE_FIRMWARE("radeon/TURKS_me.bin");
 203MODULE_FIRMWARE("radeon/TURKS_mc.bin");
 204MODULE_FIRMWARE("radeon/TURKS_smc.bin");
 205MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
 206MODULE_FIRMWARE("radeon/CAICOS_me.bin");
 207MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
 208MODULE_FIRMWARE("radeon/CAICOS_smc.bin");
 209MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
 210MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
 211MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
 212MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
 213MODULE_FIRMWARE("radeon/CAYMAN_smc.bin");
 214MODULE_FIRMWARE("radeon/ARUBA_pfp.bin");
 215MODULE_FIRMWARE("radeon/ARUBA_me.bin");
 216MODULE_FIRMWARE("radeon/ARUBA_rlc.bin");
 217
 218
 219static const u32 cayman_golden_registers2[] =
 220{
 221	0x3e5c, 0xffffffff, 0x00000000,
 222	0x3e48, 0xffffffff, 0x00000000,
 223	0x3e4c, 0xffffffff, 0x00000000,
 224	0x3e64, 0xffffffff, 0x00000000,
 225	0x3e50, 0xffffffff, 0x00000000,
 226	0x3e60, 0xffffffff, 0x00000000
 227};
 228
 229static const u32 cayman_golden_registers[] =
 230{
 231	0x5eb4, 0xffffffff, 0x00000002,
 232	0x5e78, 0x8f311ff1, 0x001000f0,
 233	0x3f90, 0xffff0000, 0xff000000,
 234	0x9148, 0xffff0000, 0xff000000,
 235	0x3f94, 0xffff0000, 0xff000000,
 236	0x914c, 0xffff0000, 0xff000000,
 237	0xc78, 0x00000080, 0x00000080,
 238	0xbd4, 0x70073777, 0x00011003,
 239	0xd02c, 0xbfffff1f, 0x08421000,
 240	0xd0b8, 0x73773777, 0x02011003,
 241	0x5bc0, 0x00200000, 0x50100000,
 242	0x98f8, 0x33773777, 0x02011003,
 243	0x98fc, 0xffffffff, 0x76541032,
 244	0x7030, 0x31000311, 0x00000011,
 245	0x2f48, 0x33773777, 0x42010001,
 246	0x6b28, 0x00000010, 0x00000012,
 247	0x7728, 0x00000010, 0x00000012,
 248	0x10328, 0x00000010, 0x00000012,
 249	0x10f28, 0x00000010, 0x00000012,
 250	0x11b28, 0x00000010, 0x00000012,
 251	0x12728, 0x00000010, 0x00000012,
 252	0x240c, 0x000007ff, 0x00000000,
 253	0x8a14, 0xf000001f, 0x00000007,
 254	0x8b24, 0x3fff3fff, 0x00ff0fff,
 255	0x8b10, 0x0000ff0f, 0x00000000,
 256	0x28a4c, 0x07ffffff, 0x06000000,
 257	0x10c, 0x00000001, 0x00010003,
 258	0xa02c, 0xffffffff, 0x0000009b,
 259	0x913c, 0x0000010f, 0x01000100,
 260	0x8c04, 0xf8ff00ff, 0x40600060,
 261	0x28350, 0x00000f01, 0x00000000,
 262	0x9508, 0x3700001f, 0x00000002,
 263	0x960c, 0xffffffff, 0x54763210,
 264	0x88c4, 0x001f3ae3, 0x00000082,
 265	0x88d0, 0xffffffff, 0x0f40df40,
 266	0x88d4, 0x0000001f, 0x00000010,
 267	0x8974, 0xffffffff, 0x00000000
 268};
 269
 270static const u32 dvst_golden_registers2[] =
 271{
 272	0x8f8, 0xffffffff, 0,
 273	0x8fc, 0x00380000, 0,
 274	0x8f8, 0xffffffff, 1,
 275	0x8fc, 0x0e000000, 0
 276};
 277
 278static const u32 dvst_golden_registers[] =
 279{
 280	0x690, 0x3fff3fff, 0x20c00033,
 281	0x918c, 0x0fff0fff, 0x00010006,
 282	0x91a8, 0x0fff0fff, 0x00010006,
 283	0x9150, 0xffffdfff, 0x6e944040,
 284	0x917c, 0x0fff0fff, 0x00030002,
 285	0x9198, 0x0fff0fff, 0x00030002,
 286	0x915c, 0x0fff0fff, 0x00010000,
 287	0x3f90, 0xffff0001, 0xff000000,
 288	0x9178, 0x0fff0fff, 0x00070000,
 289	0x9194, 0x0fff0fff, 0x00070000,
 290	0x9148, 0xffff0001, 0xff000000,
 291	0x9190, 0x0fff0fff, 0x00090008,
 292	0x91ac, 0x0fff0fff, 0x00090008,
 293	0x3f94, 0xffff0000, 0xff000000,
 294	0x914c, 0xffff0000, 0xff000000,
 295	0x929c, 0x00000fff, 0x00000001,
 296	0x55e4, 0xff607fff, 0xfc000100,
 297	0x8a18, 0xff000fff, 0x00000100,
 298	0x8b28, 0xff000fff, 0x00000100,
 299	0x9144, 0xfffc0fff, 0x00000100,
 300	0x6ed8, 0x00010101, 0x00010000,
 301	0x9830, 0xffffffff, 0x00000000,
 302	0x9834, 0xf00fffff, 0x00000400,
 303	0x9838, 0xfffffffe, 0x00000000,
 304	0xd0c0, 0xff000fff, 0x00000100,
 305	0xd02c, 0xbfffff1f, 0x08421000,
 306	0xd0b8, 0x73773777, 0x12010001,
 307	0x5bb0, 0x000000f0, 0x00000070,
 308	0x98f8, 0x73773777, 0x12010001,
 309	0x98fc, 0xffffffff, 0x00000010,
 310	0x9b7c, 0x00ff0000, 0x00fc0000,
 311	0x8030, 0x00001f0f, 0x0000100a,
 312	0x2f48, 0x73773777, 0x12010001,
 313	0x2408, 0x00030000, 0x000c007f,
 314	0x8a14, 0xf000003f, 0x00000007,
 315	0x8b24, 0x3fff3fff, 0x00ff0fff,
 316	0x8b10, 0x0000ff0f, 0x00000000,
 317	0x28a4c, 0x07ffffff, 0x06000000,
 318	0x4d8, 0x00000fff, 0x00000100,
 319	0xa008, 0xffffffff, 0x00010000,
 320	0x913c, 0xffff03ff, 0x01000100,
 321	0x8c00, 0x000000ff, 0x00000003,
 322	0x8c04, 0xf8ff00ff, 0x40600060,
 323	0x8cf0, 0x1fff1fff, 0x08e00410,
 324	0x28350, 0x00000f01, 0x00000000,
 325	0x9508, 0xf700071f, 0x00000002,
 326	0x960c, 0xffffffff, 0x54763210,
 327	0x20ef8, 0x01ff01ff, 0x00000002,
 328	0x20e98, 0xfffffbff, 0x00200000,
 329	0x2015c, 0xffffffff, 0x00000f40,
 330	0x88c4, 0x001f3ae3, 0x00000082,
 331	0x8978, 0x3fffffff, 0x04050140,
 332	0x88d4, 0x0000001f, 0x00000010,
 333	0x8974, 0xffffffff, 0x00000000
 334};
 335
 336static const u32 scrapper_golden_registers[] =
 337{
 338	0x690, 0x3fff3fff, 0x20c00033,
 339	0x918c, 0x0fff0fff, 0x00010006,
 340	0x918c, 0x0fff0fff, 0x00010006,
 341	0x91a8, 0x0fff0fff, 0x00010006,
 342	0x91a8, 0x0fff0fff, 0x00010006,
 343	0x9150, 0xffffdfff, 0x6e944040,
 344	0x9150, 0xffffdfff, 0x6e944040,
 345	0x917c, 0x0fff0fff, 0x00030002,
 346	0x917c, 0x0fff0fff, 0x00030002,
 347	0x9198, 0x0fff0fff, 0x00030002,
 348	0x9198, 0x0fff0fff, 0x00030002,
 349	0x915c, 0x0fff0fff, 0x00010000,
 350	0x915c, 0x0fff0fff, 0x00010000,
 351	0x3f90, 0xffff0001, 0xff000000,
 352	0x3f90, 0xffff0001, 0xff000000,
 353	0x9178, 0x0fff0fff, 0x00070000,
 354	0x9178, 0x0fff0fff, 0x00070000,
 355	0x9194, 0x0fff0fff, 0x00070000,
 356	0x9194, 0x0fff0fff, 0x00070000,
 357	0x9148, 0xffff0001, 0xff000000,
 358	0x9148, 0xffff0001, 0xff000000,
 359	0x9190, 0x0fff0fff, 0x00090008,
 360	0x9190, 0x0fff0fff, 0x00090008,
 361	0x91ac, 0x0fff0fff, 0x00090008,
 362	0x91ac, 0x0fff0fff, 0x00090008,
 363	0x3f94, 0xffff0000, 0xff000000,
 364	0x3f94, 0xffff0000, 0xff000000,
 365	0x914c, 0xffff0000, 0xff000000,
 366	0x914c, 0xffff0000, 0xff000000,
 367	0x929c, 0x00000fff, 0x00000001,
 368	0x929c, 0x00000fff, 0x00000001,
 369	0x55e4, 0xff607fff, 0xfc000100,
 370	0x8a18, 0xff000fff, 0x00000100,
 371	0x8a18, 0xff000fff, 0x00000100,
 372	0x8b28, 0xff000fff, 0x00000100,
 373	0x8b28, 0xff000fff, 0x00000100,
 374	0x9144, 0xfffc0fff, 0x00000100,
 375	0x9144, 0xfffc0fff, 0x00000100,
 376	0x6ed8, 0x00010101, 0x00010000,
 377	0x9830, 0xffffffff, 0x00000000,
 378	0x9830, 0xffffffff, 0x00000000,
 379	0x9834, 0xf00fffff, 0x00000400,
 380	0x9834, 0xf00fffff, 0x00000400,
 381	0x9838, 0xfffffffe, 0x00000000,
 382	0x9838, 0xfffffffe, 0x00000000,
 383	0xd0c0, 0xff000fff, 0x00000100,
 384	0xd02c, 0xbfffff1f, 0x08421000,
 385	0xd02c, 0xbfffff1f, 0x08421000,
 386	0xd0b8, 0x73773777, 0x12010001,
 387	0xd0b8, 0x73773777, 0x12010001,
 388	0x5bb0, 0x000000f0, 0x00000070,
 389	0x98f8, 0x73773777, 0x12010001,
 390	0x98f8, 0x73773777, 0x12010001,
 391	0x98fc, 0xffffffff, 0x00000010,
 392	0x98fc, 0xffffffff, 0x00000010,
 393	0x9b7c, 0x00ff0000, 0x00fc0000,
 394	0x9b7c, 0x00ff0000, 0x00fc0000,
 395	0x8030, 0x00001f0f, 0x0000100a,
 396	0x8030, 0x00001f0f, 0x0000100a,
 397	0x2f48, 0x73773777, 0x12010001,
 398	0x2f48, 0x73773777, 0x12010001,
 399	0x2408, 0x00030000, 0x000c007f,
 400	0x8a14, 0xf000003f, 0x00000007,
 401	0x8a14, 0xf000003f, 0x00000007,
 402	0x8b24, 0x3fff3fff, 0x00ff0fff,
 403	0x8b24, 0x3fff3fff, 0x00ff0fff,
 404	0x8b10, 0x0000ff0f, 0x00000000,
 405	0x8b10, 0x0000ff0f, 0x00000000,
 406	0x28a4c, 0x07ffffff, 0x06000000,
 407	0x28a4c, 0x07ffffff, 0x06000000,
 408	0x4d8, 0x00000fff, 0x00000100,
 409	0x4d8, 0x00000fff, 0x00000100,
 410	0xa008, 0xffffffff, 0x00010000,
 411	0xa008, 0xffffffff, 0x00010000,
 412	0x913c, 0xffff03ff, 0x01000100,
 413	0x913c, 0xffff03ff, 0x01000100,
 414	0x90e8, 0x001fffff, 0x010400c0,
 415	0x8c00, 0x000000ff, 0x00000003,
 416	0x8c00, 0x000000ff, 0x00000003,
 417	0x8c04, 0xf8ff00ff, 0x40600060,
 418	0x8c04, 0xf8ff00ff, 0x40600060,
 419	0x8c30, 0x0000000f, 0x00040005,
 420	0x8cf0, 0x1fff1fff, 0x08e00410,
 421	0x8cf0, 0x1fff1fff, 0x08e00410,
 422	0x900c, 0x00ffffff, 0x0017071f,
 423	0x28350, 0x00000f01, 0x00000000,
 424	0x28350, 0x00000f01, 0x00000000,
 425	0x9508, 0xf700071f, 0x00000002,
 426	0x9508, 0xf700071f, 0x00000002,
 427	0x9688, 0x00300000, 0x0017000f,
 428	0x960c, 0xffffffff, 0x54763210,
 429	0x960c, 0xffffffff, 0x54763210,
 430	0x20ef8, 0x01ff01ff, 0x00000002,
 431	0x20e98, 0xfffffbff, 0x00200000,
 432	0x2015c, 0xffffffff, 0x00000f40,
 433	0x88c4, 0x001f3ae3, 0x00000082,
 434	0x88c4, 0x001f3ae3, 0x00000082,
 435	0x8978, 0x3fffffff, 0x04050140,
 436	0x8978, 0x3fffffff, 0x04050140,
 437	0x88d4, 0x0000001f, 0x00000010,
 438	0x88d4, 0x0000001f, 0x00000010,
 439	0x8974, 0xffffffff, 0x00000000,
 440	0x8974, 0xffffffff, 0x00000000
 441};
 442
 443static void ni_init_golden_registers(struct radeon_device *rdev)
 444{
 445	switch (rdev->family) {
 446	case CHIP_CAYMAN:
 447		radeon_program_register_sequence(rdev,
 448						 cayman_golden_registers,
 449						 (const u32)ARRAY_SIZE(cayman_golden_registers));
 450		radeon_program_register_sequence(rdev,
 451						 cayman_golden_registers2,
 452						 (const u32)ARRAY_SIZE(cayman_golden_registers2));
 453		break;
 454	case CHIP_ARUBA:
 455		if ((rdev->pdev->device == 0x9900) ||
 456		    (rdev->pdev->device == 0x9901) ||
 457		    (rdev->pdev->device == 0x9903) ||
 458		    (rdev->pdev->device == 0x9904) ||
 459		    (rdev->pdev->device == 0x9905) ||
 460		    (rdev->pdev->device == 0x9906) ||
 461		    (rdev->pdev->device == 0x9907) ||
 462		    (rdev->pdev->device == 0x9908) ||
 463		    (rdev->pdev->device == 0x9909) ||
 464		    (rdev->pdev->device == 0x990A) ||
 465		    (rdev->pdev->device == 0x990B) ||
 466		    (rdev->pdev->device == 0x990C) ||
 467		    (rdev->pdev->device == 0x990D) ||
 468		    (rdev->pdev->device == 0x990E) ||
 469		    (rdev->pdev->device == 0x990F) ||
 470		    (rdev->pdev->device == 0x9910) ||
 471		    (rdev->pdev->device == 0x9913) ||
 472		    (rdev->pdev->device == 0x9917) ||
 473		    (rdev->pdev->device == 0x9918)) {
 474			radeon_program_register_sequence(rdev,
 475							 dvst_golden_registers,
 476							 (const u32)ARRAY_SIZE(dvst_golden_registers));
 477			radeon_program_register_sequence(rdev,
 478							 dvst_golden_registers2,
 479							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
 480		} else {
 481			radeon_program_register_sequence(rdev,
 482							 scrapper_golden_registers,
 483							 (const u32)ARRAY_SIZE(scrapper_golden_registers));
 484			radeon_program_register_sequence(rdev,
 485							 dvst_golden_registers2,
 486							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
 487		}
 488		break;
 489	default:
 490		break;
 491	}
 492}
 493
 494#define BTC_IO_MC_REGS_SIZE 29
 495
 496static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 497	{0x00000077, 0xff010100},
 498	{0x00000078, 0x00000000},
 499	{0x00000079, 0x00001434},
 500	{0x0000007a, 0xcc08ec08},
 501	{0x0000007b, 0x00040000},
 502	{0x0000007c, 0x000080c0},
 503	{0x0000007d, 0x09000000},
 504	{0x0000007e, 0x00210404},
 505	{0x00000081, 0x08a8e800},
 506	{0x00000082, 0x00030444},
 507	{0x00000083, 0x00000000},
 508	{0x00000085, 0x00000001},
 509	{0x00000086, 0x00000002},
 510	{0x00000087, 0x48490000},
 511	{0x00000088, 0x20244647},
 512	{0x00000089, 0x00000005},
 513	{0x0000008b, 0x66030000},
 514	{0x0000008c, 0x00006603},
 515	{0x0000008d, 0x00000100},
 516	{0x0000008f, 0x00001c0a},
 517	{0x00000090, 0xff000001},
 518	{0x00000094, 0x00101101},
 519	{0x00000095, 0x00000fff},
 520	{0x00000096, 0x00116fff},
 521	{0x00000097, 0x60010000},
 522	{0x00000098, 0x10010000},
 523	{0x00000099, 0x00006000},
 524	{0x0000009a, 0x00001000},
 525	{0x0000009f, 0x00946a00}
 526};
 527
 528static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 529	{0x00000077, 0xff010100},
 530	{0x00000078, 0x00000000},
 531	{0x00000079, 0x00001434},
 532	{0x0000007a, 0xcc08ec08},
 533	{0x0000007b, 0x00040000},
 534	{0x0000007c, 0x000080c0},
 535	{0x0000007d, 0x09000000},
 536	{0x0000007e, 0x00210404},
 537	{0x00000081, 0x08a8e800},
 538	{0x00000082, 0x00030444},
 539	{0x00000083, 0x00000000},
 540	{0x00000085, 0x00000001},
 541	{0x00000086, 0x00000002},
 542	{0x00000087, 0x48490000},
 543	{0x00000088, 0x20244647},
 544	{0x00000089, 0x00000005},
 545	{0x0000008b, 0x66030000},
 546	{0x0000008c, 0x00006603},
 547	{0x0000008d, 0x00000100},
 548	{0x0000008f, 0x00001c0a},
 549	{0x00000090, 0xff000001},
 550	{0x00000094, 0x00101101},
 551	{0x00000095, 0x00000fff},
 552	{0x00000096, 0x00116fff},
 553	{0x00000097, 0x60010000},
 554	{0x00000098, 0x10010000},
 555	{0x00000099, 0x00006000},
 556	{0x0000009a, 0x00001000},
 557	{0x0000009f, 0x00936a00}
 558};
 559
 560static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 561	{0x00000077, 0xff010100},
 562	{0x00000078, 0x00000000},
 563	{0x00000079, 0x00001434},
 564	{0x0000007a, 0xcc08ec08},
 565	{0x0000007b, 0x00040000},
 566	{0x0000007c, 0x000080c0},
 567	{0x0000007d, 0x09000000},
 568	{0x0000007e, 0x00210404},
 569	{0x00000081, 0x08a8e800},
 570	{0x00000082, 0x00030444},
 571	{0x00000083, 0x00000000},
 572	{0x00000085, 0x00000001},
 573	{0x00000086, 0x00000002},
 574	{0x00000087, 0x48490000},
 575	{0x00000088, 0x20244647},
 576	{0x00000089, 0x00000005},
 577	{0x0000008b, 0x66030000},
 578	{0x0000008c, 0x00006603},
 579	{0x0000008d, 0x00000100},
 580	{0x0000008f, 0x00001c0a},
 581	{0x00000090, 0xff000001},
 582	{0x00000094, 0x00101101},
 583	{0x00000095, 0x00000fff},
 584	{0x00000096, 0x00116fff},
 585	{0x00000097, 0x60010000},
 586	{0x00000098, 0x10010000},
 587	{0x00000099, 0x00006000},
 588	{0x0000009a, 0x00001000},
 589	{0x0000009f, 0x00916a00}
 590};
 591
 592static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 593	{0x00000077, 0xff010100},
 594	{0x00000078, 0x00000000},
 595	{0x00000079, 0x00001434},
 596	{0x0000007a, 0xcc08ec08},
 597	{0x0000007b, 0x00040000},
 598	{0x0000007c, 0x000080c0},
 599	{0x0000007d, 0x09000000},
 600	{0x0000007e, 0x00210404},
 601	{0x00000081, 0x08a8e800},
 602	{0x00000082, 0x00030444},
 603	{0x00000083, 0x00000000},
 604	{0x00000085, 0x00000001},
 605	{0x00000086, 0x00000002},
 606	{0x00000087, 0x48490000},
 607	{0x00000088, 0x20244647},
 608	{0x00000089, 0x00000005},
 609	{0x0000008b, 0x66030000},
 610	{0x0000008c, 0x00006603},
 611	{0x0000008d, 0x00000100},
 612	{0x0000008f, 0x00001c0a},
 613	{0x00000090, 0xff000001},
 614	{0x00000094, 0x00101101},
 615	{0x00000095, 0x00000fff},
 616	{0x00000096, 0x00116fff},
 617	{0x00000097, 0x60010000},
 618	{0x00000098, 0x10010000},
 619	{0x00000099, 0x00006000},
 620	{0x0000009a, 0x00001000},
 621	{0x0000009f, 0x00976b00}
 622};
 623
 624int ni_mc_load_microcode(struct radeon_device *rdev)
 625{
 626	const __be32 *fw_data;
 627	u32 mem_type, running, blackout = 0;
 628	u32 *io_mc_regs;
 629	int i, ucode_size, regs_size;
 630
 631	if (!rdev->mc_fw)
 632		return -EINVAL;
 633
 634	switch (rdev->family) {
 635	case CHIP_BARTS:
 636		io_mc_regs = (u32 *)&barts_io_mc_regs;
 637		ucode_size = BTC_MC_UCODE_SIZE;
 638		regs_size = BTC_IO_MC_REGS_SIZE;
 639		break;
 640	case CHIP_TURKS:
 641		io_mc_regs = (u32 *)&turks_io_mc_regs;
 642		ucode_size = BTC_MC_UCODE_SIZE;
 643		regs_size = BTC_IO_MC_REGS_SIZE;
 644		break;
 645	case CHIP_CAICOS:
 646	default:
 647		io_mc_regs = (u32 *)&caicos_io_mc_regs;
 648		ucode_size = BTC_MC_UCODE_SIZE;
 649		regs_size = BTC_IO_MC_REGS_SIZE;
 650		break;
 651	case CHIP_CAYMAN:
 652		io_mc_regs = (u32 *)&cayman_io_mc_regs;
 653		ucode_size = CAYMAN_MC_UCODE_SIZE;
 654		regs_size = BTC_IO_MC_REGS_SIZE;
 655		break;
 656	}
 657
 658	mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
 659	running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
 660
 661	if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
 662		if (running) {
 663			blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
 664			WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
 665		}
 666
 667		/* reset the engine and set to writable */
 668		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
 669		WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
 670
 671		/* load mc io regs */
 672		for (i = 0; i < regs_size; i++) {
 673			WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
 674			WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
 675		}
 676		/* load the MC ucode */
 677		fw_data = (const __be32 *)rdev->mc_fw->data;
 678		for (i = 0; i < ucode_size; i++)
 679			WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
 680
 681		/* put the engine back into the active state */
 682		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
 683		WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
 684		WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
 685
 686		/* wait for training to complete */
 687		for (i = 0; i < rdev->usec_timeout; i++) {
 688			if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)
 689				break;
 690			udelay(1);
 691		}
 692
 693		if (running)
 694			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
 695	}
 696
 697	return 0;
 698}
 699
 700int ni_init_microcode(struct radeon_device *rdev)
 701{
 702	const char *chip_name;
 703	const char *rlc_chip_name;
 704	size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
 705	size_t smc_req_size = 0;
 706	char fw_name[30];
 707	int err;
 708
 709	DRM_DEBUG("\n");
 710
 711	switch (rdev->family) {
 712	case CHIP_BARTS:
 713		chip_name = "BARTS";
 714		rlc_chip_name = "BTC";
 715		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 716		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 717		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 718		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 719		smc_req_size = ALIGN(BARTS_SMC_UCODE_SIZE, 4);
 720		break;
 721	case CHIP_TURKS:
 722		chip_name = "TURKS";
 723		rlc_chip_name = "BTC";
 724		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 725		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 726		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 727		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 728		smc_req_size = ALIGN(TURKS_SMC_UCODE_SIZE, 4);
 729		break;
 730	case CHIP_CAICOS:
 731		chip_name = "CAICOS";
 732		rlc_chip_name = "BTC";
 733		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 734		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 735		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 736		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 737		smc_req_size = ALIGN(CAICOS_SMC_UCODE_SIZE, 4);
 738		break;
 739	case CHIP_CAYMAN:
 740		chip_name = "CAYMAN";
 741		rlc_chip_name = "CAYMAN";
 742		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
 743		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
 744		rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
 745		mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
 746		smc_req_size = ALIGN(CAYMAN_SMC_UCODE_SIZE, 4);
 747		break;
 748	case CHIP_ARUBA:
 749		chip_name = "ARUBA";
 750		rlc_chip_name = "ARUBA";
 751		/* pfp/me same size as CAYMAN */
 752		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
 753		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
 754		rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4;
 755		mc_req_size = 0;
 756		break;
 757	default: BUG();
 
 758	}
 759
 760	DRM_INFO("Loading %s Microcode\n", chip_name);
 761
 762	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
 763	err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
 764	if (err)
 765		goto out;
 766	if (rdev->pfp_fw->size != pfp_req_size) {
 767		pr_err("ni_cp: Bogus length %zu in firmware \"%s\"\n",
 768		       rdev->pfp_fw->size, fw_name);
 769		err = -EINVAL;
 770		goto out;
 771	}
 772
 773	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
 774	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
 775	if (err)
 776		goto out;
 777	if (rdev->me_fw->size != me_req_size) {
 778		pr_err("ni_cp: Bogus length %zu in firmware \"%s\"\n",
 779		       rdev->me_fw->size, fw_name);
 780		err = -EINVAL;
 781	}
 782
 783	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
 784	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
 785	if (err)
 786		goto out;
 787	if (rdev->rlc_fw->size != rlc_req_size) {
 788		pr_err("ni_rlc: Bogus length %zu in firmware \"%s\"\n",
 789		       rdev->rlc_fw->size, fw_name);
 790		err = -EINVAL;
 791	}
 792
 793	/* no MC ucode on TN */
 794	if (!(rdev->flags & RADEON_IS_IGP)) {
 795		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
 796		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
 797		if (err)
 798			goto out;
 799		if (rdev->mc_fw->size != mc_req_size) {
 800			pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n",
 801			       rdev->mc_fw->size, fw_name);
 802			err = -EINVAL;
 803		}
 804	}
 805
 806	if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
 807		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
 808		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
 809		if (err) {
 810			pr_err("smc: error loading firmware \"%s\"\n", fw_name);
 811			release_firmware(rdev->smc_fw);
 812			rdev->smc_fw = NULL;
 813			err = 0;
 814		} else if (rdev->smc_fw->size != smc_req_size) {
 815			pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n",
 816			       rdev->mc_fw->size, fw_name);
 817			err = -EINVAL;
 818		}
 819	}
 820
 821out:
 822	if (err) {
 823		if (err != -EINVAL)
 824			pr_err("ni_cp: Failed to load firmware \"%s\"\n",
 825			       fw_name);
 826		release_firmware(rdev->pfp_fw);
 827		rdev->pfp_fw = NULL;
 828		release_firmware(rdev->me_fw);
 829		rdev->me_fw = NULL;
 830		release_firmware(rdev->rlc_fw);
 831		rdev->rlc_fw = NULL;
 832		release_firmware(rdev->mc_fw);
 833		rdev->mc_fw = NULL;
 834	}
 835	return err;
 836}
 837
 838/**
 839 * cayman_get_allowed_info_register - fetch the register for the info ioctl
 840 *
 841 * @rdev: radeon_device pointer
 842 * @reg: register offset in bytes
 843 * @val: register value
 844 *
 845 * Returns 0 for success or -EINVAL for an invalid register
 846 *
 847 */
 848int cayman_get_allowed_info_register(struct radeon_device *rdev,
 849				     u32 reg, u32 *val)
 850{
 851	switch (reg) {
 852	case GRBM_STATUS:
 853	case GRBM_STATUS_SE0:
 854	case GRBM_STATUS_SE1:
 855	case SRBM_STATUS:
 856	case SRBM_STATUS2:
 857	case (DMA_STATUS_REG + DMA0_REGISTER_OFFSET):
 858	case (DMA_STATUS_REG + DMA1_REGISTER_OFFSET):
 859	case UVD_STATUS:
 860		*val = RREG32(reg);
 861		return 0;
 862	default:
 863		return -EINVAL;
 864	}
 865}
 866
 867int tn_get_temp(struct radeon_device *rdev)
 868{
 869	u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff;
 870	int actual_temp = (temp / 8) - 49;
 871
 872	return actual_temp * 1000;
 873}
 874
 875/*
 876 * Core functions
 877 */
 878static void cayman_gpu_init(struct radeon_device *rdev)
 879{
 880	u32 gb_addr_config = 0;
 881	u32 mc_arb_ramcfg;
 882	u32 cgts_tcc_disable;
 883	u32 sx_debug_1;
 884	u32 smx_dc_ctl0;
 885	u32 cgts_sm_ctrl_reg;
 886	u32 hdp_host_path_cntl;
 887	u32 tmp;
 888	u32 disabled_rb_mask;
 889	int i, j;
 890
 891	switch (rdev->family) {
 892	case CHIP_CAYMAN:
 893		rdev->config.cayman.max_shader_engines = 2;
 894		rdev->config.cayman.max_pipes_per_simd = 4;
 895		rdev->config.cayman.max_tile_pipes = 8;
 896		rdev->config.cayman.max_simds_per_se = 12;
 897		rdev->config.cayman.max_backends_per_se = 4;
 898		rdev->config.cayman.max_texture_channel_caches = 8;
 899		rdev->config.cayman.max_gprs = 256;
 900		rdev->config.cayman.max_threads = 256;
 901		rdev->config.cayman.max_gs_threads = 32;
 902		rdev->config.cayman.max_stack_entries = 512;
 903		rdev->config.cayman.sx_num_of_sets = 8;
 904		rdev->config.cayman.sx_max_export_size = 256;
 905		rdev->config.cayman.sx_max_export_pos_size = 64;
 906		rdev->config.cayman.sx_max_export_smx_size = 192;
 907		rdev->config.cayman.max_hw_contexts = 8;
 908		rdev->config.cayman.sq_num_cf_insts = 2;
 909
 910		rdev->config.cayman.sc_prim_fifo_size = 0x100;
 911		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
 912		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
 913		gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN;
 914		break;
 915	case CHIP_ARUBA:
 916	default:
 917		rdev->config.cayman.max_shader_engines = 1;
 918		rdev->config.cayman.max_pipes_per_simd = 4;
 919		rdev->config.cayman.max_tile_pipes = 2;
 920		if ((rdev->pdev->device == 0x9900) ||
 921		    (rdev->pdev->device == 0x9901) ||
 922		    (rdev->pdev->device == 0x9905) ||
 923		    (rdev->pdev->device == 0x9906) ||
 924		    (rdev->pdev->device == 0x9907) ||
 925		    (rdev->pdev->device == 0x9908) ||
 926		    (rdev->pdev->device == 0x9909) ||
 927		    (rdev->pdev->device == 0x990B) ||
 928		    (rdev->pdev->device == 0x990C) ||
 929		    (rdev->pdev->device == 0x990F) ||
 930		    (rdev->pdev->device == 0x9910) ||
 931		    (rdev->pdev->device == 0x9917) ||
 932		    (rdev->pdev->device == 0x9999) ||
 933		    (rdev->pdev->device == 0x999C)) {
 934			rdev->config.cayman.max_simds_per_se = 6;
 935			rdev->config.cayman.max_backends_per_se = 2;
 936			rdev->config.cayman.max_hw_contexts = 8;
 937			rdev->config.cayman.sx_max_export_size = 256;
 938			rdev->config.cayman.sx_max_export_pos_size = 64;
 939			rdev->config.cayman.sx_max_export_smx_size = 192;
 940		} else if ((rdev->pdev->device == 0x9903) ||
 941			   (rdev->pdev->device == 0x9904) ||
 942			   (rdev->pdev->device == 0x990A) ||
 943			   (rdev->pdev->device == 0x990D) ||
 944			   (rdev->pdev->device == 0x990E) ||
 945			   (rdev->pdev->device == 0x9913) ||
 946			   (rdev->pdev->device == 0x9918) ||
 947			   (rdev->pdev->device == 0x999D)) {
 948			rdev->config.cayman.max_simds_per_se = 4;
 949			rdev->config.cayman.max_backends_per_se = 2;
 950			rdev->config.cayman.max_hw_contexts = 8;
 951			rdev->config.cayman.sx_max_export_size = 256;
 952			rdev->config.cayman.sx_max_export_pos_size = 64;
 953			rdev->config.cayman.sx_max_export_smx_size = 192;
 954		} else if ((rdev->pdev->device == 0x9919) ||
 955			   (rdev->pdev->device == 0x9990) ||
 956			   (rdev->pdev->device == 0x9991) ||
 957			   (rdev->pdev->device == 0x9994) ||
 958			   (rdev->pdev->device == 0x9995) ||
 959			   (rdev->pdev->device == 0x9996) ||
 960			   (rdev->pdev->device == 0x999A) ||
 961			   (rdev->pdev->device == 0x99A0)) {
 962			rdev->config.cayman.max_simds_per_se = 3;
 963			rdev->config.cayman.max_backends_per_se = 1;
 964			rdev->config.cayman.max_hw_contexts = 4;
 965			rdev->config.cayman.sx_max_export_size = 128;
 966			rdev->config.cayman.sx_max_export_pos_size = 32;
 967			rdev->config.cayman.sx_max_export_smx_size = 96;
 968		} else {
 969			rdev->config.cayman.max_simds_per_se = 2;
 970			rdev->config.cayman.max_backends_per_se = 1;
 971			rdev->config.cayman.max_hw_contexts = 4;
 972			rdev->config.cayman.sx_max_export_size = 128;
 973			rdev->config.cayman.sx_max_export_pos_size = 32;
 974			rdev->config.cayman.sx_max_export_smx_size = 96;
 975		}
 976		rdev->config.cayman.max_texture_channel_caches = 2;
 977		rdev->config.cayman.max_gprs = 256;
 978		rdev->config.cayman.max_threads = 256;
 979		rdev->config.cayman.max_gs_threads = 32;
 980		rdev->config.cayman.max_stack_entries = 512;
 981		rdev->config.cayman.sx_num_of_sets = 8;
 982		rdev->config.cayman.sq_num_cf_insts = 2;
 983
 984		rdev->config.cayman.sc_prim_fifo_size = 0x40;
 985		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
 986		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
 987		gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN;
 988		break;
 989	}
 990
 991	/* Initialize HDP */
 992	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
 993		WREG32((0x2c14 + j), 0x00000000);
 994		WREG32((0x2c18 + j), 0x00000000);
 995		WREG32((0x2c1c + j), 0x00000000);
 996		WREG32((0x2c20 + j), 0x00000000);
 997		WREG32((0x2c24 + j), 0x00000000);
 998	}
 999
1000	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1001	WREG32(SRBM_INT_CNTL, 0x1);
1002	WREG32(SRBM_INT_ACK, 0x1);
1003
1004	evergreen_fix_pci_max_read_req_size(rdev);
1005
1006	RREG32(MC_SHARED_CHMAP);
1007	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1008
1009	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
1010	rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
1011	if (rdev->config.cayman.mem_row_size_in_kb > 4)
1012		rdev->config.cayman.mem_row_size_in_kb = 4;
1013	/* XXX use MC settings? */
1014	rdev->config.cayman.shader_engine_tile_size = 32;
1015	rdev->config.cayman.num_gpus = 1;
1016	rdev->config.cayman.multi_gpu_tile_size = 64;
1017
1018	tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
1019	rdev->config.cayman.num_tile_pipes = (1 << tmp);
1020	tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
1021	rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
1022	tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
1023	rdev->config.cayman.num_shader_engines = tmp + 1;
1024	tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
1025	rdev->config.cayman.num_gpus = tmp + 1;
1026	tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
1027	rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
1028	tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
1029	rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
1030
1031
1032	/* setup tiling info dword.  gb_addr_config is not adequate since it does
1033	 * not have bank info, so create a custom tiling dword.
1034	 * bits 3:0   num_pipes
1035	 * bits 7:4   num_banks
1036	 * bits 11:8  group_size
1037	 * bits 15:12 row_size
1038	 */
1039	rdev->config.cayman.tile_config = 0;
1040	switch (rdev->config.cayman.num_tile_pipes) {
1041	case 1:
1042	default:
1043		rdev->config.cayman.tile_config |= (0 << 0);
1044		break;
1045	case 2:
1046		rdev->config.cayman.tile_config |= (1 << 0);
1047		break;
1048	case 4:
1049		rdev->config.cayman.tile_config |= (2 << 0);
1050		break;
1051	case 8:
1052		rdev->config.cayman.tile_config |= (3 << 0);
1053		break;
1054	}
1055
1056	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
1057	if (rdev->flags & RADEON_IS_IGP)
1058		rdev->config.cayman.tile_config |= 1 << 4;
1059	else {
1060		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
1061		case 0: /* four banks */
1062			rdev->config.cayman.tile_config |= 0 << 4;
1063			break;
1064		case 1: /* eight banks */
1065			rdev->config.cayman.tile_config |= 1 << 4;
1066			break;
1067		case 2: /* sixteen banks */
1068		default:
1069			rdev->config.cayman.tile_config |= 2 << 4;
1070			break;
1071		}
1072	}
1073	rdev->config.cayman.tile_config |=
1074		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
1075	rdev->config.cayman.tile_config |=
1076		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
1077
1078	tmp = 0;
1079	for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
1080		u32 rb_disable_bitmap;
1081
1082		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1083		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1084		rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
1085		tmp <<= 4;
1086		tmp |= rb_disable_bitmap;
1087	}
1088	/* enabled rb are just the one not disabled :) */
1089	disabled_rb_mask = tmp;
1090	tmp = 0;
1091	for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1092		tmp |= (1 << i);
1093	/* if all the backends are disabled, fix it up here */
1094	if ((disabled_rb_mask & tmp) == tmp) {
1095		for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1096			disabled_rb_mask &= ~(1 << i);
1097	}
1098
1099	for (i = 0; i < rdev->config.cayman.max_shader_engines; i++) {
1100		u32 simd_disable_bitmap;
1101
1102		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1103		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1104		simd_disable_bitmap = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
1105		simd_disable_bitmap |= 0xffffffff << rdev->config.cayman.max_simds_per_se;
1106		tmp <<= 16;
1107		tmp |= simd_disable_bitmap;
1108	}
1109	rdev->config.cayman.active_simds = hweight32(~tmp);
1110
1111	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1112	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1113
1114	WREG32(GB_ADDR_CONFIG, gb_addr_config);
1115	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1116	if (ASIC_IS_DCE6(rdev))
1117		WREG32(DMIF_ADDR_CALC, gb_addr_config);
1118	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1119	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
1120	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
1121	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
1122	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
1123	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
1124
1125	if ((rdev->config.cayman.max_backends_per_se == 1) &&
1126	    (rdev->flags & RADEON_IS_IGP)) {
1127		if ((disabled_rb_mask & 3) == 2) {
1128			/* RB1 disabled, RB0 enabled */
1129			tmp = 0x00000000;
1130		} else {
1131			/* RB0 disabled, RB1 enabled */
1132			tmp = 0x11111111;
1133		}
1134	} else {
1135		tmp = gb_addr_config & NUM_PIPES_MASK;
1136		tmp = r6xx_remap_render_backend(rdev, tmp,
1137						rdev->config.cayman.max_backends_per_se *
1138						rdev->config.cayman.max_shader_engines,
1139						CAYMAN_MAX_BACKENDS, disabled_rb_mask);
1140	}
1141	rdev->config.cayman.backend_map = tmp;
1142	WREG32(GB_BACKEND_MAP, tmp);
1143
1144	cgts_tcc_disable = 0xffff0000;
1145	for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
1146		cgts_tcc_disable &= ~(1 << (16 + i));
1147	WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
1148	WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
1149	WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
1150	WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
1151
1152	/* reprogram the shader complex */
1153	cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
1154	for (i = 0; i < 16; i++)
1155		WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
1156	WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
1157
1158	/* set HW defaults for 3D engine */
1159	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
1160
1161	sx_debug_1 = RREG32(SX_DEBUG_1);
1162	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1163	WREG32(SX_DEBUG_1, sx_debug_1);
1164
1165	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1166	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1167	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
1168	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1169
1170	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
1171
1172	/* need to be explicitly zero-ed */
1173	WREG32(VGT_OFFCHIP_LDS_BASE, 0);
1174	WREG32(SQ_LSTMP_RING_BASE, 0);
1175	WREG32(SQ_HSTMP_RING_BASE, 0);
1176	WREG32(SQ_ESTMP_RING_BASE, 0);
1177	WREG32(SQ_GSTMP_RING_BASE, 0);
1178	WREG32(SQ_VSTMP_RING_BASE, 0);
1179	WREG32(SQ_PSTMP_RING_BASE, 0);
1180
1181	WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
1182
1183	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
1184					POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
1185					SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
1186
1187	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
1188				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
1189				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
1190
1191
1192	WREG32(VGT_NUM_INSTANCES, 1);
1193
1194	WREG32(CP_PERFMON_CNTL, 0);
1195
1196	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
1197				  FETCH_FIFO_HIWATER(0x4) |
1198				  DONE_FIFO_HIWATER(0xe0) |
1199				  ALU_UPDATE_FIFO_HIWATER(0x8)));
1200
1201	WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
1202	WREG32(SQ_CONFIG, (VC_ENABLE |
1203			   EXPORT_SRC_C |
1204			   GFX_PRIO(0) |
1205			   CS1_PRIO(0) |
1206			   CS2_PRIO(1)));
1207	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
1208
1209	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1210					  FORCE_EOV_MAX_REZ_CNT(255)));
1211
1212	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
1213	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
1214
1215	WREG32(VGT_GS_VERTEX_REUSE, 16);
1216	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1217
1218	WREG32(CB_PERF_CTR0_SEL_0, 0);
1219	WREG32(CB_PERF_CTR0_SEL_1, 0);
1220	WREG32(CB_PERF_CTR1_SEL_0, 0);
1221	WREG32(CB_PERF_CTR1_SEL_1, 0);
1222	WREG32(CB_PERF_CTR2_SEL_0, 0);
1223	WREG32(CB_PERF_CTR2_SEL_1, 0);
1224	WREG32(CB_PERF_CTR3_SEL_0, 0);
1225	WREG32(CB_PERF_CTR3_SEL_1, 0);
1226
1227	tmp = RREG32(HDP_MISC_CNTL);
1228	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
1229	WREG32(HDP_MISC_CNTL, tmp);
1230
1231	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1232	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1233
1234	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1235
1236	udelay(50);
1237
1238	/* set clockgating golden values on TN */
1239	if (rdev->family == CHIP_ARUBA) {
1240		tmp = RREG32_CG(CG_CGTT_LOCAL_0);
1241		tmp &= ~0x00380000;
1242		WREG32_CG(CG_CGTT_LOCAL_0, tmp);
1243		tmp = RREG32_CG(CG_CGTT_LOCAL_1);
1244		tmp &= ~0x0e000000;
1245		WREG32_CG(CG_CGTT_LOCAL_1, tmp);
1246	}
1247}
1248
1249/*
1250 * GART
1251 */
1252void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
1253{
1254	/* flush hdp cache */
1255	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1256
1257	/* bits 0-7 are the VM contexts0-7 */
1258	WREG32(VM_INVALIDATE_REQUEST, 1);
1259}
1260
1261static int cayman_pcie_gart_enable(struct radeon_device *rdev)
1262{
1263	int i, r;
1264
1265	if (rdev->gart.robj == NULL) {
1266		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1267		return -EINVAL;
1268	}
1269	r = radeon_gart_table_vram_pin(rdev);
1270	if (r)
1271		return r;
1272	/* Setup TLB control */
1273	WREG32(MC_VM_MX_L1_TLB_CNTL,
1274	       (0xA << 7) |
1275	       ENABLE_L1_TLB |
1276	       ENABLE_L1_FRAGMENT_PROCESSING |
1277	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1278	       ENABLE_ADVANCED_DRIVER_MODEL |
1279	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1280	/* Setup L2 cache */
1281	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
1282	       ENABLE_L2_FRAGMENT_PROCESSING |
1283	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1284	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1285	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1286	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1287	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
1288	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1289	       BANK_SELECT(6) |
1290	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1291	/* setup context0 */
1292	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1293	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1294	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1295	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1296			(u32)(rdev->dummy_page.addr >> 12));
1297	WREG32(VM_CONTEXT0_CNTL2, 0);
1298	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1299				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1300
1301	WREG32(0x15D4, 0);
1302	WREG32(0x15D8, 0);
1303	WREG32(0x15DC, 0);
1304
1305	/* empty context1-7 */
1306	/* Assign the pt base to something valid for now; the pts used for
1307	 * the VMs are determined by the application and setup and assigned
1308	 * on the fly in the vm part of radeon_gart.c
1309	 */
1310	for (i = 1; i < 8; i++) {
1311		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
1312		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2),
1313			rdev->vm_manager.max_pfn - 1);
1314		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
1315		       rdev->vm_manager.saved_table_addr[i]);
1316	}
1317
1318	/* enable context1-7 */
1319	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
1320	       (u32)(rdev->dummy_page.addr >> 12));
1321	WREG32(VM_CONTEXT1_CNTL2, 4);
1322	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
1323				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
1324				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1325				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1326				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1327				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1328				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
1329				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
1330				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
1331				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
1332				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
1333				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
1334				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1335				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
1336
1337	cayman_pcie_gart_tlb_flush(rdev);
1338	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1339		 (unsigned)(rdev->mc.gtt_size >> 20),
1340		 (unsigned long long)rdev->gart.table_addr);
1341	rdev->gart.ready = true;
1342	return 0;
1343}
1344
1345static void cayman_pcie_gart_disable(struct radeon_device *rdev)
1346{
1347	unsigned i;
1348
1349	for (i = 1; i < 8; ++i) {
1350		rdev->vm_manager.saved_table_addr[i] = RREG32(
1351			VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2));
1352	}
1353
1354	/* Disable all tables */
1355	WREG32(VM_CONTEXT0_CNTL, 0);
1356	WREG32(VM_CONTEXT1_CNTL, 0);
1357	/* Setup TLB control */
1358	WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1359	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1360	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1361	/* Setup L2 cache */
1362	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1363	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1364	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1365	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1366	WREG32(VM_L2_CNTL2, 0);
1367	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1368	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1369	radeon_gart_table_vram_unpin(rdev);
1370}
1371
1372static void cayman_pcie_gart_fini(struct radeon_device *rdev)
1373{
1374	cayman_pcie_gart_disable(rdev);
1375	radeon_gart_table_vram_free(rdev);
1376	radeon_gart_fini(rdev);
1377}
1378
1379void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
1380			      int ring, u32 cp_int_cntl)
1381{
1382	WREG32(SRBM_GFX_CNTL, RINGID(ring));
1383	WREG32(CP_INT_CNTL, cp_int_cntl);
1384}
1385
1386/*
1387 * CP.
1388 */
1389void cayman_fence_ring_emit(struct radeon_device *rdev,
1390			    struct radeon_fence *fence)
1391{
1392	struct radeon_ring *ring = &rdev->ring[fence->ring];
1393	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
1394	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1395		PACKET3_SH_ACTION_ENA;
1396
1397	/* flush read cache over gart for this vmid */
1398	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1399	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1400	radeon_ring_write(ring, 0xFFFFFFFF);
1401	radeon_ring_write(ring, 0);
1402	radeon_ring_write(ring, 10); /* poll interval */
1403	/* EVENT_WRITE_EOP - flush caches, send int */
1404	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1405	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1406	radeon_ring_write(ring, lower_32_bits(addr));
1407	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1408	radeon_ring_write(ring, fence->seq);
1409	radeon_ring_write(ring, 0);
1410}
1411
1412void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1413{
1414	struct radeon_ring *ring = &rdev->ring[ib->ring];
1415	unsigned vm_id = ib->vm ? ib->vm->ids[ib->ring].id : 0;
1416	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1417		PACKET3_SH_ACTION_ENA;
1418
1419	/* set to DX10/11 mode */
1420	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1421	radeon_ring_write(ring, 1);
1422
1423	if (ring->rptr_save_reg) {
1424		uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
1425		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1426		radeon_ring_write(ring, ((ring->rptr_save_reg - 
1427					  PACKET3_SET_CONFIG_REG_START) >> 2));
1428		radeon_ring_write(ring, next_rptr);
1429	}
1430
1431	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1432	radeon_ring_write(ring,
1433#ifdef __BIG_ENDIAN
1434			  (2 << 0) |
1435#endif
1436			  (ib->gpu_addr & 0xFFFFFFFC));
1437	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1438	radeon_ring_write(ring, ib->length_dw | (vm_id << 24));
1439
1440	/* flush read cache over gart for this vmid */
1441	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1442	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1443	radeon_ring_write(ring, 0xFFFFFFFF);
1444	radeon_ring_write(ring, 0);
1445	radeon_ring_write(ring, (vm_id << 24) | 10); /* poll interval */
1446}
1447
1448static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1449{
1450	if (enable)
1451		WREG32(CP_ME_CNTL, 0);
1452	else {
1453		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1454			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1455		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1456		WREG32(SCRATCH_UMSK, 0);
1457		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1458	}
1459}
1460
1461u32 cayman_gfx_get_rptr(struct radeon_device *rdev,
1462			struct radeon_ring *ring)
1463{
1464	u32 rptr;
1465
1466	if (rdev->wb.enabled)
1467		rptr = rdev->wb.wb[ring->rptr_offs/4];
1468	else {
1469		if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1470			rptr = RREG32(CP_RB0_RPTR);
1471		else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1472			rptr = RREG32(CP_RB1_RPTR);
1473		else
1474			rptr = RREG32(CP_RB2_RPTR);
1475	}
1476
1477	return rptr;
1478}
1479
1480u32 cayman_gfx_get_wptr(struct radeon_device *rdev,
1481			struct radeon_ring *ring)
1482{
1483	u32 wptr;
1484
1485	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1486		wptr = RREG32(CP_RB0_WPTR);
1487	else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1488		wptr = RREG32(CP_RB1_WPTR);
1489	else
1490		wptr = RREG32(CP_RB2_WPTR);
1491
1492	return wptr;
1493}
1494
1495void cayman_gfx_set_wptr(struct radeon_device *rdev,
1496			 struct radeon_ring *ring)
1497{
1498	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) {
1499		WREG32(CP_RB0_WPTR, ring->wptr);
1500		(void)RREG32(CP_RB0_WPTR);
1501	} else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) {
1502		WREG32(CP_RB1_WPTR, ring->wptr);
1503		(void)RREG32(CP_RB1_WPTR);
1504	} else {
1505		WREG32(CP_RB2_WPTR, ring->wptr);
1506		(void)RREG32(CP_RB2_WPTR);
1507	}
1508}
1509
1510static int cayman_cp_load_microcode(struct radeon_device *rdev)
1511{
1512	const __be32 *fw_data;
1513	int i;
1514
1515	if (!rdev->me_fw || !rdev->pfp_fw)
1516		return -EINVAL;
1517
1518	cayman_cp_enable(rdev, false);
1519
1520	fw_data = (const __be32 *)rdev->pfp_fw->data;
1521	WREG32(CP_PFP_UCODE_ADDR, 0);
1522	for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1523		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1524	WREG32(CP_PFP_UCODE_ADDR, 0);
1525
1526	fw_data = (const __be32 *)rdev->me_fw->data;
1527	WREG32(CP_ME_RAM_WADDR, 0);
1528	for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1529		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1530
1531	WREG32(CP_PFP_UCODE_ADDR, 0);
1532	WREG32(CP_ME_RAM_WADDR, 0);
1533	WREG32(CP_ME_RAM_RADDR, 0);
1534	return 0;
1535}
1536
1537static int cayman_cp_start(struct radeon_device *rdev)
1538{
1539	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1540	int r, i;
1541
1542	r = radeon_ring_lock(rdev, ring, 7);
1543	if (r) {
1544		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1545		return r;
1546	}
1547	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1548	radeon_ring_write(ring, 0x1);
1549	radeon_ring_write(ring, 0x0);
1550	radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
1551	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1552	radeon_ring_write(ring, 0);
1553	radeon_ring_write(ring, 0);
1554	radeon_ring_unlock_commit(rdev, ring, false);
1555
1556	cayman_cp_enable(rdev, true);
1557
1558	r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
1559	if (r) {
1560		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1561		return r;
1562	}
1563
1564	/* setup clear context state */
1565	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1566	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1567
1568	for (i = 0; i < cayman_default_size; i++)
1569		radeon_ring_write(ring, cayman_default_state[i]);
1570
1571	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1572	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1573
1574	/* set clear context state */
1575	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1576	radeon_ring_write(ring, 0);
1577
1578	/* SQ_VTX_BASE_VTX_LOC */
1579	radeon_ring_write(ring, 0xc0026f00);
1580	radeon_ring_write(ring, 0x00000000);
1581	radeon_ring_write(ring, 0x00000000);
1582	radeon_ring_write(ring, 0x00000000);
1583
1584	/* Clear consts */
1585	radeon_ring_write(ring, 0xc0036f00);
1586	radeon_ring_write(ring, 0x00000bc4);
1587	radeon_ring_write(ring, 0xffffffff);
1588	radeon_ring_write(ring, 0xffffffff);
1589	radeon_ring_write(ring, 0xffffffff);
1590
1591	radeon_ring_write(ring, 0xc0026900);
1592	radeon_ring_write(ring, 0x00000316);
1593	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1594	radeon_ring_write(ring, 0x00000010); /*  */
1595
1596	radeon_ring_unlock_commit(rdev, ring, false);
1597
1598	/* XXX init other rings */
1599
1600	return 0;
1601}
1602
1603static void cayman_cp_fini(struct radeon_device *rdev)
1604{
1605	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1606	cayman_cp_enable(rdev, false);
1607	radeon_ring_fini(rdev, ring);
1608	radeon_scratch_free(rdev, ring->rptr_save_reg);
1609}
1610
1611static int cayman_cp_resume(struct radeon_device *rdev)
1612{
1613	static const int ridx[] = {
1614		RADEON_RING_TYPE_GFX_INDEX,
1615		CAYMAN_RING_TYPE_CP1_INDEX,
1616		CAYMAN_RING_TYPE_CP2_INDEX
1617	};
1618	static const unsigned cp_rb_cntl[] = {
1619		CP_RB0_CNTL,
1620		CP_RB1_CNTL,
1621		CP_RB2_CNTL,
1622	};
1623	static const unsigned cp_rb_rptr_addr[] = {
1624		CP_RB0_RPTR_ADDR,
1625		CP_RB1_RPTR_ADDR,
1626		CP_RB2_RPTR_ADDR
1627	};
1628	static const unsigned cp_rb_rptr_addr_hi[] = {
1629		CP_RB0_RPTR_ADDR_HI,
1630		CP_RB1_RPTR_ADDR_HI,
1631		CP_RB2_RPTR_ADDR_HI
1632	};
1633	static const unsigned cp_rb_base[] = {
1634		CP_RB0_BASE,
1635		CP_RB1_BASE,
1636		CP_RB2_BASE
1637	};
1638	static const unsigned cp_rb_rptr[] = {
1639		CP_RB0_RPTR,
1640		CP_RB1_RPTR,
1641		CP_RB2_RPTR
1642	};
1643	static const unsigned cp_rb_wptr[] = {
1644		CP_RB0_WPTR,
1645		CP_RB1_WPTR,
1646		CP_RB2_WPTR
1647	};
1648	struct radeon_ring *ring;
1649	int i, r;
1650
1651	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1652	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1653				 SOFT_RESET_PA |
1654				 SOFT_RESET_SH |
1655				 SOFT_RESET_VGT |
1656				 SOFT_RESET_SPI |
1657				 SOFT_RESET_SX));
1658	RREG32(GRBM_SOFT_RESET);
1659	mdelay(15);
1660	WREG32(GRBM_SOFT_RESET, 0);
1661	RREG32(GRBM_SOFT_RESET);
1662
1663	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1664	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1665
1666	/* Set the write pointer delay */
1667	WREG32(CP_RB_WPTR_DELAY, 0);
1668
1669	WREG32(CP_DEBUG, (1 << 27));
1670
1671	/* set the wb address whether it's enabled or not */
1672	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1673	WREG32(SCRATCH_UMSK, 0xff);
1674
1675	for (i = 0; i < 3; ++i) {
1676		uint32_t rb_cntl;
1677		uint64_t addr;
1678
1679		/* Set ring buffer size */
1680		ring = &rdev->ring[ridx[i]];
1681		rb_cntl = order_base_2(ring->ring_size / 8);
1682		rb_cntl |= order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8;
1683#ifdef __BIG_ENDIAN
1684		rb_cntl |= BUF_SWAP_32BIT;
1685#endif
1686		WREG32(cp_rb_cntl[i], rb_cntl);
1687
1688		/* set the wb address whether it's enabled or not */
1689		addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1690		WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1691		WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1692	}
1693
1694	/* set the rb base addr, this causes an internal reset of ALL rings */
1695	for (i = 0; i < 3; ++i) {
1696		ring = &rdev->ring[ridx[i]];
1697		WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1698	}
1699
1700	for (i = 0; i < 3; ++i) {
1701		/* Initialize the ring buffer's read and write pointers */
1702		ring = &rdev->ring[ridx[i]];
1703		WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1704
1705		ring->wptr = 0;
1706		WREG32(cp_rb_rptr[i], 0);
1707		WREG32(cp_rb_wptr[i], ring->wptr);
1708
1709		mdelay(1);
1710		WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1711	}
1712
1713	/* start the rings */
1714	cayman_cp_start(rdev);
1715	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1716	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1717	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1718	/* this only test cp0 */
1719	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1720	if (r) {
1721		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1722		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1723		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1724		return r;
1725	}
1726
1727	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1728		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1729
1730	return 0;
1731}
1732
1733u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
1734{
1735	u32 reset_mask = 0;
1736	u32 tmp;
1737
1738	/* GRBM_STATUS */
1739	tmp = RREG32(GRBM_STATUS);
1740	if (tmp & (PA_BUSY | SC_BUSY |
1741		   SH_BUSY | SX_BUSY |
1742		   TA_BUSY | VGT_BUSY |
1743		   DB_BUSY | CB_BUSY |
1744		   GDS_BUSY | SPI_BUSY |
1745		   IA_BUSY | IA_BUSY_NO_DMA))
1746		reset_mask |= RADEON_RESET_GFX;
1747
1748	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
1749		   CP_BUSY | CP_COHERENCY_BUSY))
1750		reset_mask |= RADEON_RESET_CP;
1751
1752	if (tmp & GRBM_EE_BUSY)
1753		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1754
1755	/* DMA_STATUS_REG 0 */
1756	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
1757	if (!(tmp & DMA_IDLE))
1758		reset_mask |= RADEON_RESET_DMA;
1759
1760	/* DMA_STATUS_REG 1 */
1761	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
1762	if (!(tmp & DMA_IDLE))
1763		reset_mask |= RADEON_RESET_DMA1;
1764
1765	/* SRBM_STATUS2 */
1766	tmp = RREG32(SRBM_STATUS2);
1767	if (tmp & DMA_BUSY)
1768		reset_mask |= RADEON_RESET_DMA;
1769
1770	if (tmp & DMA1_BUSY)
1771		reset_mask |= RADEON_RESET_DMA1;
1772
1773	/* SRBM_STATUS */
1774	tmp = RREG32(SRBM_STATUS);
1775	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
1776		reset_mask |= RADEON_RESET_RLC;
1777
1778	if (tmp & IH_BUSY)
1779		reset_mask |= RADEON_RESET_IH;
1780
1781	if (tmp & SEM_BUSY)
1782		reset_mask |= RADEON_RESET_SEM;
1783
1784	if (tmp & GRBM_RQ_PENDING)
1785		reset_mask |= RADEON_RESET_GRBM;
1786
1787	if (tmp & VMC_BUSY)
1788		reset_mask |= RADEON_RESET_VMC;
1789
1790	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
1791		   MCC_BUSY | MCD_BUSY))
1792		reset_mask |= RADEON_RESET_MC;
1793
1794	if (evergreen_is_display_hung(rdev))
1795		reset_mask |= RADEON_RESET_DISPLAY;
1796
1797	/* VM_L2_STATUS */
1798	tmp = RREG32(VM_L2_STATUS);
1799	if (tmp & L2_BUSY)
1800		reset_mask |= RADEON_RESET_VMC;
1801
1802	/* Skip MC reset as it's mostly likely not hung, just busy */
1803	if (reset_mask & RADEON_RESET_MC) {
1804		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1805		reset_mask &= ~RADEON_RESET_MC;
1806	}
1807
1808	return reset_mask;
1809}
1810
1811static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1812{
1813	struct evergreen_mc_save save;
1814	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1815	u32 tmp;
1816
1817	if (reset_mask == 0)
1818		return;
1819
1820	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1821
1822	evergreen_print_gpu_status_regs(rdev);
1823	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1824		 RREG32(0x14F8));
1825	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1826		 RREG32(0x14D8));
1827	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1828		 RREG32(0x14FC));
1829	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1830		 RREG32(0x14DC));
1831
1832	/* Disable CP parsing/prefetching */
1833	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1834
1835	if (reset_mask & RADEON_RESET_DMA) {
1836		/* dma0 */
1837		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1838		tmp &= ~DMA_RB_ENABLE;
1839		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
1840	}
1841
1842	if (reset_mask & RADEON_RESET_DMA1) {
1843		/* dma1 */
1844		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1845		tmp &= ~DMA_RB_ENABLE;
1846		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
1847	}
1848
1849	udelay(50);
1850
1851	evergreen_mc_stop(rdev, &save);
1852	if (evergreen_mc_wait_for_idle(rdev)) {
1853		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1854	}
1855
1856	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1857		grbm_soft_reset = SOFT_RESET_CB |
1858			SOFT_RESET_DB |
1859			SOFT_RESET_GDS |
1860			SOFT_RESET_PA |
1861			SOFT_RESET_SC |
1862			SOFT_RESET_SPI |
1863			SOFT_RESET_SH |
1864			SOFT_RESET_SX |
1865			SOFT_RESET_TC |
1866			SOFT_RESET_TA |
1867			SOFT_RESET_VGT |
1868			SOFT_RESET_IA;
1869	}
1870
1871	if (reset_mask & RADEON_RESET_CP) {
1872		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
1873
1874		srbm_soft_reset |= SOFT_RESET_GRBM;
1875	}
1876
1877	if (reset_mask & RADEON_RESET_DMA)
1878		srbm_soft_reset |= SOFT_RESET_DMA;
1879
1880	if (reset_mask & RADEON_RESET_DMA1)
1881		srbm_soft_reset |= SOFT_RESET_DMA1;
1882
1883	if (reset_mask & RADEON_RESET_DISPLAY)
1884		srbm_soft_reset |= SOFT_RESET_DC;
1885
1886	if (reset_mask & RADEON_RESET_RLC)
1887		srbm_soft_reset |= SOFT_RESET_RLC;
1888
1889	if (reset_mask & RADEON_RESET_SEM)
1890		srbm_soft_reset |= SOFT_RESET_SEM;
1891
1892	if (reset_mask & RADEON_RESET_IH)
1893		srbm_soft_reset |= SOFT_RESET_IH;
1894
1895	if (reset_mask & RADEON_RESET_GRBM)
1896		srbm_soft_reset |= SOFT_RESET_GRBM;
1897
1898	if (reset_mask & RADEON_RESET_VMC)
1899		srbm_soft_reset |= SOFT_RESET_VMC;
1900
1901	if (!(rdev->flags & RADEON_IS_IGP)) {
1902		if (reset_mask & RADEON_RESET_MC)
1903			srbm_soft_reset |= SOFT_RESET_MC;
1904	}
1905
1906	if (grbm_soft_reset) {
1907		tmp = RREG32(GRBM_SOFT_RESET);
1908		tmp |= grbm_soft_reset;
1909		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
1910		WREG32(GRBM_SOFT_RESET, tmp);
1911		tmp = RREG32(GRBM_SOFT_RESET);
1912
1913		udelay(50);
1914
1915		tmp &= ~grbm_soft_reset;
1916		WREG32(GRBM_SOFT_RESET, tmp);
1917		tmp = RREG32(GRBM_SOFT_RESET);
1918	}
1919
1920	if (srbm_soft_reset) {
1921		tmp = RREG32(SRBM_SOFT_RESET);
1922		tmp |= srbm_soft_reset;
1923		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1924		WREG32(SRBM_SOFT_RESET, tmp);
1925		tmp = RREG32(SRBM_SOFT_RESET);
1926
1927		udelay(50);
1928
1929		tmp &= ~srbm_soft_reset;
1930		WREG32(SRBM_SOFT_RESET, tmp);
1931		tmp = RREG32(SRBM_SOFT_RESET);
1932	}
1933
1934	/* Wait a little for things to settle down */
1935	udelay(50);
1936
1937	evergreen_mc_resume(rdev, &save);
1938	udelay(50);
1939
1940	evergreen_print_gpu_status_regs(rdev);
1941}
1942
1943int cayman_asic_reset(struct radeon_device *rdev, bool hard)
1944{
1945	u32 reset_mask;
1946
1947	if (hard) {
1948		evergreen_gpu_pci_config_reset(rdev);
1949		return 0;
1950	}
1951
1952	reset_mask = cayman_gpu_check_soft_reset(rdev);
1953
1954	if (reset_mask)
1955		r600_set_bios_scratch_engine_hung(rdev, true);
1956
1957	cayman_gpu_soft_reset(rdev, reset_mask);
1958
1959	reset_mask = cayman_gpu_check_soft_reset(rdev);
1960
1961	if (reset_mask)
1962		evergreen_gpu_pci_config_reset(rdev);
1963
1964	r600_set_bios_scratch_engine_hung(rdev, false);
1965
1966	return 0;
1967}
1968
1969/**
1970 * cayman_gfx_is_lockup - Check if the GFX engine is locked up
1971 *
1972 * @rdev: radeon_device pointer
1973 * @ring: radeon_ring structure holding ring information
1974 *
1975 * Check if the GFX engine is locked up.
1976 * Returns true if the engine appears to be locked up, false if not.
1977 */
1978bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1979{
1980	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
1981
1982	if (!(reset_mask & (RADEON_RESET_GFX |
1983			    RADEON_RESET_COMPUTE |
1984			    RADEON_RESET_CP))) {
1985		radeon_ring_lockup_update(rdev, ring);
1986		return false;
1987	}
1988	return radeon_ring_test_lockup(rdev, ring);
1989}
1990
1991static void cayman_uvd_init(struct radeon_device *rdev)
1992{
1993	int r;
1994
1995	if (!rdev->has_uvd)
1996		return;
1997
1998	r = radeon_uvd_init(rdev);
1999	if (r) {
2000		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
2001		/*
2002		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
2003		 * to early fails uvd_v2_2_resume() and thus nothing happens
2004		 * there. So it is pointless to try to go through that code
2005		 * hence why we disable uvd here.
2006		 */
2007		rdev->has_uvd = false;
2008		return;
2009	}
2010	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
2011	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
2012}
2013
2014static void cayman_uvd_start(struct radeon_device *rdev)
2015{
2016	int r;
2017
2018	if (!rdev->has_uvd)
2019		return;
2020
2021	r = uvd_v2_2_resume(rdev);
2022	if (r) {
2023		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
2024		goto error;
2025	}
2026	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
2027	if (r) {
2028		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
2029		goto error;
2030	}
2031	return;
2032
2033error:
2034	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
2035}
2036
2037static void cayman_uvd_resume(struct radeon_device *rdev)
2038{
2039	struct radeon_ring *ring;
2040	int r;
2041
2042	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
2043		return;
2044
2045	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2046	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0));
2047	if (r) {
2048		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
2049		return;
2050	}
2051	r = uvd_v1_0_init(rdev);
2052	if (r) {
2053		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
2054		return;
2055	}
2056}
2057
2058static void cayman_vce_init(struct radeon_device *rdev)
2059{
2060	int r;
2061
2062	/* Only set for CHIP_ARUBA */
2063	if (!rdev->has_vce)
2064		return;
2065
2066	r = radeon_vce_init(rdev);
2067	if (r) {
2068		dev_err(rdev->dev, "failed VCE (%d) init.\n", r);
2069		/*
2070		 * At this point rdev->vce.vcpu_bo is NULL which trickles down
2071		 * to early fails cayman_vce_start() and thus nothing happens
2072		 * there. So it is pointless to try to go through that code
2073		 * hence why we disable vce here.
2074		 */
2075		rdev->has_vce = false;
2076		return;
2077	}
2078	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_obj = NULL;
2079	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE1_INDEX], 4096);
2080	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_obj = NULL;
2081	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE2_INDEX], 4096);
2082}
2083
2084static void cayman_vce_start(struct radeon_device *rdev)
2085{
2086	int r;
2087
2088	if (!rdev->has_vce)
2089		return;
2090
2091	r = radeon_vce_resume(rdev);
2092	if (r) {
2093		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
2094		goto error;
2095	}
2096	r = vce_v1_0_resume(rdev);
2097	if (r) {
2098		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
2099		goto error;
2100	}
2101	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE1_INDEX);
2102	if (r) {
2103		dev_err(rdev->dev, "failed initializing VCE1 fences (%d).\n", r);
2104		goto error;
2105	}
2106	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE2_INDEX);
2107	if (r) {
2108		dev_err(rdev->dev, "failed initializing VCE2 fences (%d).\n", r);
2109		goto error;
2110	}
2111	return;
2112
2113error:
2114	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size = 0;
2115	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_size = 0;
2116}
2117
2118static void cayman_vce_resume(struct radeon_device *rdev)
2119{
2120	struct radeon_ring *ring;
2121	int r;
2122
2123	if (!rdev->has_vce || !rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size)
2124		return;
2125
2126	ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
2127	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2128	if (r) {
2129		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
2130		return;
2131	}
2132	ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
2133	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2134	if (r) {
2135		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
2136		return;
2137	}
2138	r = vce_v1_0_init(rdev);
2139	if (r) {
2140		dev_err(rdev->dev, "failed initializing VCE (%d).\n", r);
2141		return;
2142	}
2143}
2144
2145static int cayman_startup(struct radeon_device *rdev)
2146{
2147	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2148	int r;
2149
2150	/* enable pcie gen2 link */
2151	evergreen_pcie_gen2_enable(rdev);
2152	/* enable aspm */
2153	evergreen_program_aspm(rdev);
2154
2155	/* scratch needs to be initialized before MC */
2156	r = r600_vram_scratch_init(rdev);
2157	if (r)
2158		return r;
2159
2160	evergreen_mc_program(rdev);
2161
2162	if (!(rdev->flags & RADEON_IS_IGP) && !rdev->pm.dpm_enabled) {
2163		r = ni_mc_load_microcode(rdev);
2164		if (r) {
2165			DRM_ERROR("Failed to load MC firmware!\n");
2166			return r;
2167		}
2168	}
2169
2170	r = cayman_pcie_gart_enable(rdev);
2171	if (r)
2172		return r;
2173	cayman_gpu_init(rdev);
2174
2175	/* allocate rlc buffers */
2176	if (rdev->flags & RADEON_IS_IGP) {
2177		rdev->rlc.reg_list = tn_rlc_save_restore_register_list;
2178		rdev->rlc.reg_list_size =
2179			(u32)ARRAY_SIZE(tn_rlc_save_restore_register_list);
2180		rdev->rlc.cs_data = cayman_cs_data;
2181		r = sumo_rlc_init(rdev);
2182		if (r) {
2183			DRM_ERROR("Failed to init rlc BOs!\n");
2184			return r;
2185		}
2186	}
2187
2188	/* allocate wb buffer */
2189	r = radeon_wb_init(rdev);
2190	if (r)
2191		return r;
2192
2193	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
2194	if (r) {
2195		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2196		return r;
2197	}
2198
2199	cayman_uvd_start(rdev);
2200	cayman_vce_start(rdev);
2201
2202	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
2203	if (r) {
2204		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2205		return r;
2206	}
2207
2208	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
2209	if (r) {
2210		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2211		return r;
2212	}
2213
2214	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
2215	if (r) {
2216		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2217		return r;
2218	}
2219
2220	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
2221	if (r) {
2222		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2223		return r;
2224	}
2225
2226	/* Enable IRQ */
2227	if (!rdev->irq.installed) {
2228		r = radeon_irq_kms_init(rdev);
2229		if (r)
2230			return r;
2231	}
2232
2233	r = r600_irq_init(rdev);
2234	if (r) {
2235		DRM_ERROR("radeon: IH init failed (%d).\n", r);
2236		radeon_irq_kms_fini(rdev);
2237		return r;
2238	}
2239	evergreen_irq_set(rdev);
2240
2241	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
2242			     RADEON_CP_PACKET2);
2243	if (r)
2244		return r;
2245
2246	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2247	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
2248			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2249	if (r)
2250		return r;
2251
2252	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2253	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
2254			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2255	if (r)
2256		return r;
2257
2258	r = cayman_cp_load_microcode(rdev);
2259	if (r)
2260		return r;
2261	r = cayman_cp_resume(rdev);
2262	if (r)
2263		return r;
2264
2265	r = cayman_dma_resume(rdev);
2266	if (r)
2267		return r;
2268
2269	cayman_uvd_resume(rdev);
2270	cayman_vce_resume(rdev);
2271
2272	r = radeon_ib_pool_init(rdev);
2273	if (r) {
2274		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2275		return r;
2276	}
2277
2278	r = radeon_vm_manager_init(rdev);
2279	if (r) {
2280		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
2281		return r;
2282	}
2283
2284	r = radeon_audio_init(rdev);
2285	if (r)
2286		return r;
2287
2288	return 0;
2289}
2290
2291int cayman_resume(struct radeon_device *rdev)
2292{
2293	int r;
2294
2295	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2296	 * posting will perform necessary task to bring back GPU into good
2297	 * shape.
2298	 */
2299	/* post card */
2300	atom_asic_init(rdev->mode_info.atom_context);
2301
2302	/* init golden registers */
2303	ni_init_golden_registers(rdev);
2304
2305	if (rdev->pm.pm_method == PM_METHOD_DPM)
2306		radeon_pm_resume(rdev);
2307
2308	rdev->accel_working = true;
2309	r = cayman_startup(rdev);
2310	if (r) {
2311		DRM_ERROR("cayman startup failed on resume\n");
2312		rdev->accel_working = false;
2313		return r;
2314	}
2315	return r;
2316}
2317
2318int cayman_suspend(struct radeon_device *rdev)
2319{
2320	radeon_pm_suspend(rdev);
2321	radeon_audio_fini(rdev);
2322	radeon_vm_manager_fini(rdev);
2323	cayman_cp_enable(rdev, false);
2324	cayman_dma_stop(rdev);
2325	if (rdev->has_uvd) {
2326		radeon_uvd_suspend(rdev);
2327		uvd_v1_0_fini(rdev);
2328	}
2329	evergreen_irq_suspend(rdev);
2330	radeon_wb_disable(rdev);
2331	cayman_pcie_gart_disable(rdev);
2332	return 0;
2333}
2334
2335/* Plan is to move initialization in that function and use
2336 * helper function so that radeon_device_init pretty much
2337 * do nothing more than calling asic specific function. This
2338 * should also allow to remove a bunch of callback function
2339 * like vram_info.
2340 */
2341int cayman_init(struct radeon_device *rdev)
2342{
2343	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2344	int r;
2345
2346	/* Read BIOS */
2347	if (!radeon_get_bios(rdev)) {
2348		if (ASIC_IS_AVIVO(rdev))
2349			return -EINVAL;
2350	}
2351	/* Must be an ATOMBIOS */
2352	if (!rdev->is_atom_bios) {
2353		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
2354		return -EINVAL;
2355	}
2356	r = radeon_atombios_init(rdev);
2357	if (r)
2358		return r;
2359
2360	/* Post card if necessary */
2361	if (!radeon_card_posted(rdev)) {
2362		if (!rdev->bios) {
2363			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2364			return -EINVAL;
2365		}
2366		DRM_INFO("GPU not posted. posting now...\n");
2367		atom_asic_init(rdev->mode_info.atom_context);
2368	}
2369	/* init golden registers */
2370	ni_init_golden_registers(rdev);
2371	/* Initialize scratch registers */
2372	r600_scratch_init(rdev);
2373	/* Initialize surface registers */
2374	radeon_surface_init(rdev);
2375	/* Initialize clocks */
2376	radeon_get_clock_info(rdev->ddev);
2377	/* Fence driver */
2378	radeon_fence_driver_init(rdev);
2379	/* initialize memory controller */
2380	r = evergreen_mc_init(rdev);
2381	if (r)
2382		return r;
2383	/* Memory manager */
2384	r = radeon_bo_init(rdev);
2385	if (r)
2386		return r;
2387
2388	if (rdev->flags & RADEON_IS_IGP) {
2389		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2390			r = ni_init_microcode(rdev);
2391			if (r) {
2392				DRM_ERROR("Failed to load firmware!\n");
2393				return r;
2394			}
2395		}
2396	} else {
2397		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2398			r = ni_init_microcode(rdev);
2399			if (r) {
2400				DRM_ERROR("Failed to load firmware!\n");
2401				return r;
2402			}
2403		}
2404	}
2405
2406	/* Initialize power management */
2407	radeon_pm_init(rdev);
2408
2409	ring->ring_obj = NULL;
2410	r600_ring_init(rdev, ring, 1024 * 1024);
2411
2412	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2413	ring->ring_obj = NULL;
2414	r600_ring_init(rdev, ring, 64 * 1024);
2415
2416	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2417	ring->ring_obj = NULL;
2418	r600_ring_init(rdev, ring, 64 * 1024);
2419
2420	cayman_uvd_init(rdev);
2421	cayman_vce_init(rdev);
2422
2423	rdev->ih.ring_obj = NULL;
2424	r600_ih_ring_init(rdev, 64 * 1024);
2425
2426	r = r600_pcie_gart_init(rdev);
2427	if (r)
2428		return r;
2429
2430	rdev->accel_working = true;
2431	r = cayman_startup(rdev);
2432	if (r) {
2433		dev_err(rdev->dev, "disabling GPU acceleration\n");
2434		cayman_cp_fini(rdev);
2435		cayman_dma_fini(rdev);
2436		r600_irq_fini(rdev);
2437		if (rdev->flags & RADEON_IS_IGP)
2438			sumo_rlc_fini(rdev);
2439		radeon_wb_fini(rdev);
2440		radeon_ib_pool_fini(rdev);
2441		radeon_vm_manager_fini(rdev);
2442		radeon_irq_kms_fini(rdev);
2443		cayman_pcie_gart_fini(rdev);
2444		rdev->accel_working = false;
2445	}
2446
2447	/* Don't start up if the MC ucode is missing.
2448	 * The default clocks and voltages before the MC ucode
2449	 * is loaded are not suffient for advanced operations.
2450	 *
2451	 * We can skip this check for TN, because there is no MC
2452	 * ucode.
2453	 */
2454	if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
2455		DRM_ERROR("radeon: MC ucode required for NI+.\n");
2456		return -EINVAL;
2457	}
2458
2459	return 0;
2460}
2461
2462void cayman_fini(struct radeon_device *rdev)
2463{
2464	radeon_pm_fini(rdev);
2465	cayman_cp_fini(rdev);
2466	cayman_dma_fini(rdev);
2467	r600_irq_fini(rdev);
2468	if (rdev->flags & RADEON_IS_IGP)
2469		sumo_rlc_fini(rdev);
2470	radeon_wb_fini(rdev);
2471	radeon_vm_manager_fini(rdev);
2472	radeon_ib_pool_fini(rdev);
2473	radeon_irq_kms_fini(rdev);
2474	uvd_v1_0_fini(rdev);
2475	radeon_uvd_fini(rdev);
2476	if (rdev->has_vce)
2477		radeon_vce_fini(rdev);
2478	cayman_pcie_gart_fini(rdev);
2479	r600_vram_scratch_fini(rdev);
2480	radeon_gem_fini(rdev);
2481	radeon_fence_driver_fini(rdev);
2482	radeon_bo_fini(rdev);
2483	radeon_atombios_fini(rdev);
2484	kfree(rdev->bios);
2485	rdev->bios = NULL;
2486}
2487
2488/*
2489 * vm
2490 */
2491int cayman_vm_init(struct radeon_device *rdev)
2492{
2493	/* number of VMs */
2494	rdev->vm_manager.nvm = 8;
2495	/* base offset of vram pages */
2496	if (rdev->flags & RADEON_IS_IGP) {
2497		u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
2498		tmp <<= 22;
2499		rdev->vm_manager.vram_base_offset = tmp;
2500	} else
2501		rdev->vm_manager.vram_base_offset = 0;
2502	return 0;
2503}
2504
2505void cayman_vm_fini(struct radeon_device *rdev)
2506{
2507}
2508
2509/**
2510 * cayman_vm_decode_fault - print human readable fault info
2511 *
2512 * @rdev: radeon_device pointer
2513 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
2514 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
2515 *
2516 * Print human readable fault information (cayman/TN).
2517 */
2518void cayman_vm_decode_fault(struct radeon_device *rdev,
2519			    u32 status, u32 addr)
2520{
2521	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
2522	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
2523	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
2524	char *block;
2525
2526	switch (mc_id) {
2527	case 32:
2528	case 16:
2529	case 96:
2530	case 80:
2531	case 160:
2532	case 144:
2533	case 224:
2534	case 208:
2535		block = "CB";
2536		break;
2537	case 33:
2538	case 17:
2539	case 97:
2540	case 81:
2541	case 161:
2542	case 145:
2543	case 225:
2544	case 209:
2545		block = "CB_FMASK";
2546		break;
2547	case 34:
2548	case 18:
2549	case 98:
2550	case 82:
2551	case 162:
2552	case 146:
2553	case 226:
2554	case 210:
2555		block = "CB_CMASK";
2556		break;
2557	case 35:
2558	case 19:
2559	case 99:
2560	case 83:
2561	case 163:
2562	case 147:
2563	case 227:
2564	case 211:
2565		block = "CB_IMMED";
2566		break;
2567	case 36:
2568	case 20:
2569	case 100:
2570	case 84:
2571	case 164:
2572	case 148:
2573	case 228:
2574	case 212:
2575		block = "DB";
2576		break;
2577	case 37:
2578	case 21:
2579	case 101:
2580	case 85:
2581	case 165:
2582	case 149:
2583	case 229:
2584	case 213:
2585		block = "DB_HTILE";
2586		break;
2587	case 38:
2588	case 22:
2589	case 102:
2590	case 86:
2591	case 166:
2592	case 150:
2593	case 230:
2594	case 214:
2595		block = "SX";
2596		break;
2597	case 39:
2598	case 23:
2599	case 103:
2600	case 87:
2601	case 167:
2602	case 151:
2603	case 231:
2604	case 215:
2605		block = "DB_STEN";
2606		break;
2607	case 40:
2608	case 24:
2609	case 104:
2610	case 88:
2611	case 232:
2612	case 216:
2613	case 168:
2614	case 152:
2615		block = "TC_TFETCH";
2616		break;
2617	case 41:
2618	case 25:
2619	case 105:
2620	case 89:
2621	case 233:
2622	case 217:
2623	case 169:
2624	case 153:
2625		block = "TC_VFETCH";
2626		break;
2627	case 42:
2628	case 26:
2629	case 106:
2630	case 90:
2631	case 234:
2632	case 218:
2633	case 170:
2634	case 154:
2635		block = "VC";
2636		break;
2637	case 112:
2638		block = "CP";
2639		break;
2640	case 113:
2641	case 114:
2642		block = "SH";
2643		break;
2644	case 115:
2645		block = "VGT";
2646		break;
2647	case 178:
2648		block = "IH";
2649		break;
2650	case 51:
2651		block = "RLC";
2652		break;
2653	case 55:
2654		block = "DMA";
2655		break;
2656	case 56:
2657		block = "HDP";
2658		break;
2659	default:
2660		block = "unknown";
2661		break;
2662	}
2663
2664	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
2665	       protections, vmid, addr,
2666	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
2667	       block, mc_id);
2668}
2669
2670/*
2671 * cayman_vm_flush - vm flush using the CP
2672 *
2673 * Update the page table base and flush the VM TLB
2674 * using the CP (cayman-si).
2675 */
2676void cayman_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
2677		     unsigned vm_id, uint64_t pd_addr)
2678{
2679	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm_id << 2), 0));
2680	radeon_ring_write(ring, pd_addr >> 12);
2681
2682	/* flush hdp cache */
2683	radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
2684	radeon_ring_write(ring, 0x1);
2685
2686	/* bits 0-7 are the VM contexts0-7 */
2687	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
2688	radeon_ring_write(ring, 1 << vm_id);
2689
2690	/* wait for the invalidate to complete */
2691	radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
2692	radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) |  /* always */
2693				 WAIT_REG_MEM_ENGINE(0))); /* me */
2694	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
2695	radeon_ring_write(ring, 0);
2696	radeon_ring_write(ring, 0); /* ref */
2697	radeon_ring_write(ring, 0); /* mask */
2698	radeon_ring_write(ring, 0x20); /* poll interval */
2699
2700	/* sync PFP to ME, otherwise we might get invalid PFP reads */
2701	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2702	radeon_ring_write(ring, 0x0);
2703}
2704
2705int tn_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk)
2706{
2707	struct atom_clock_dividers dividers;
2708	int r, i;
2709
2710	r = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
2711					   ecclk, false, &dividers);
2712	if (r)
2713		return r;
2714
2715	for (i = 0; i < 100; i++) {
2716		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2717			break;
2718		mdelay(10);
2719	}
2720	if (i == 100)
2721		return -ETIMEDOUT;
2722
2723	WREG32_P(CG_ECLK_CNTL, dividers.post_div, ~(ECLK_DIR_CNTL_EN|ECLK_DIVIDER_MASK));
2724
2725	for (i = 0; i < 100; i++) {
2726		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2727			break;
2728		mdelay(10);
2729	}
2730	if (i == 100)
2731		return -ETIMEDOUT;
2732
2733	return 0;
2734}