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v4.6
   1/*
   2 * Copyright 2010 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 * Authors: Alex Deucher
  23 */
 
  24#include <linux/firmware.h>
  25#include <linux/slab.h>
  26#include <linux/module.h>
  27#include <drm/drmP.h>
  28#include "radeon.h"
  29#include "radeon_asic.h"
  30#include "radeon_audio.h"
  31#include <drm/radeon_drm.h>
  32#include "nid.h"
  33#include "atom.h"
  34#include "ni_reg.h"
  35#include "cayman_blit_shaders.h"
  36#include "radeon_ucode.h"
  37#include "clearstate_cayman.h"
 
 
 
 
 
 
 
 
  38
  39/*
  40 * Indirect registers accessor
  41 */
  42u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg)
  43{
  44	unsigned long flags;
  45	u32 r;
  46
  47	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
  48	WREG32(TN_SMC_IND_INDEX_0, (reg));
  49	r = RREG32(TN_SMC_IND_DATA_0);
  50	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
  51	return r;
  52}
  53
  54void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
  55{
  56	unsigned long flags;
  57
  58	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
  59	WREG32(TN_SMC_IND_INDEX_0, (reg));
  60	WREG32(TN_SMC_IND_DATA_0, (v));
  61	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
  62}
  63
  64static const u32 tn_rlc_save_restore_register_list[] =
  65{
  66	0x98fc,
  67	0x98f0,
  68	0x9834,
  69	0x9838,
  70	0x9870,
  71	0x9874,
  72	0x8a14,
  73	0x8b24,
  74	0x8bcc,
  75	0x8b10,
  76	0x8c30,
  77	0x8d00,
  78	0x8d04,
  79	0x8c00,
  80	0x8c04,
  81	0x8c10,
  82	0x8c14,
  83	0x8d8c,
  84	0x8cf0,
  85	0x8e38,
  86	0x9508,
  87	0x9688,
  88	0x9608,
  89	0x960c,
  90	0x9610,
  91	0x9614,
  92	0x88c4,
  93	0x8978,
  94	0x88d4,
  95	0x900c,
  96	0x9100,
  97	0x913c,
  98	0x90e8,
  99	0x9354,
 100	0xa008,
 101	0x98f8,
 102	0x9148,
 103	0x914c,
 104	0x3f94,
 105	0x98f4,
 106	0x9b7c,
 107	0x3f8c,
 108	0x8950,
 109	0x8954,
 110	0x8a18,
 111	0x8b28,
 112	0x9144,
 113	0x3f90,
 114	0x915c,
 115	0x9160,
 116	0x9178,
 117	0x917c,
 118	0x9180,
 119	0x918c,
 120	0x9190,
 121	0x9194,
 122	0x9198,
 123	0x919c,
 124	0x91a8,
 125	0x91ac,
 126	0x91b0,
 127	0x91b4,
 128	0x91b8,
 129	0x91c4,
 130	0x91c8,
 131	0x91cc,
 132	0x91d0,
 133	0x91d4,
 134	0x91e0,
 135	0x91e4,
 136	0x91ec,
 137	0x91f0,
 138	0x91f4,
 139	0x9200,
 140	0x9204,
 141	0x929c,
 142	0x8030,
 143	0x9150,
 144	0x9a60,
 145	0x920c,
 146	0x9210,
 147	0x9228,
 148	0x922c,
 149	0x9244,
 150	0x9248,
 151	0x91e8,
 152	0x9294,
 153	0x9208,
 154	0x9224,
 155	0x9240,
 156	0x9220,
 157	0x923c,
 158	0x9258,
 159	0x9744,
 160	0xa200,
 161	0xa204,
 162	0xa208,
 163	0xa20c,
 164	0x8d58,
 165	0x9030,
 166	0x9034,
 167	0x9038,
 168	0x903c,
 169	0x9040,
 170	0x9654,
 171	0x897c,
 172	0xa210,
 173	0xa214,
 174	0x9868,
 175	0xa02c,
 176	0x9664,
 177	0x9698,
 178	0x949c,
 179	0x8e10,
 180	0x8e18,
 181	0x8c50,
 182	0x8c58,
 183	0x8c60,
 184	0x8c68,
 185	0x89b4,
 186	0x9830,
 187	0x802c,
 188};
 189
 190extern bool evergreen_is_display_hung(struct radeon_device *rdev);
 191extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev);
 192extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
 193extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
 194extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);
 195extern void evergreen_mc_program(struct radeon_device *rdev);
 196extern void evergreen_irq_suspend(struct radeon_device *rdev);
 197extern int evergreen_mc_init(struct radeon_device *rdev);
 198extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
 199extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
 200extern void evergreen_program_aspm(struct radeon_device *rdev);
 201extern void sumo_rlc_fini(struct radeon_device *rdev);
 202extern int sumo_rlc_init(struct radeon_device *rdev);
 203extern void evergreen_gpu_pci_config_reset(struct radeon_device *rdev);
 204
 205/* Firmware Names */
 206MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
 207MODULE_FIRMWARE("radeon/BARTS_me.bin");
 208MODULE_FIRMWARE("radeon/BARTS_mc.bin");
 209MODULE_FIRMWARE("radeon/BARTS_smc.bin");
 210MODULE_FIRMWARE("radeon/BTC_rlc.bin");
 211MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
 212MODULE_FIRMWARE("radeon/TURKS_me.bin");
 213MODULE_FIRMWARE("radeon/TURKS_mc.bin");
 214MODULE_FIRMWARE("radeon/TURKS_smc.bin");
 215MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
 216MODULE_FIRMWARE("radeon/CAICOS_me.bin");
 217MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
 218MODULE_FIRMWARE("radeon/CAICOS_smc.bin");
 219MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
 220MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
 221MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
 222MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
 223MODULE_FIRMWARE("radeon/CAYMAN_smc.bin");
 224MODULE_FIRMWARE("radeon/ARUBA_pfp.bin");
 225MODULE_FIRMWARE("radeon/ARUBA_me.bin");
 226MODULE_FIRMWARE("radeon/ARUBA_rlc.bin");
 227
 228
 229static const u32 cayman_golden_registers2[] =
 230{
 231	0x3e5c, 0xffffffff, 0x00000000,
 232	0x3e48, 0xffffffff, 0x00000000,
 233	0x3e4c, 0xffffffff, 0x00000000,
 234	0x3e64, 0xffffffff, 0x00000000,
 235	0x3e50, 0xffffffff, 0x00000000,
 236	0x3e60, 0xffffffff, 0x00000000
 237};
 238
 239static const u32 cayman_golden_registers[] =
 240{
 241	0x5eb4, 0xffffffff, 0x00000002,
 242	0x5e78, 0x8f311ff1, 0x001000f0,
 243	0x3f90, 0xffff0000, 0xff000000,
 244	0x9148, 0xffff0000, 0xff000000,
 245	0x3f94, 0xffff0000, 0xff000000,
 246	0x914c, 0xffff0000, 0xff000000,
 247	0xc78, 0x00000080, 0x00000080,
 248	0xbd4, 0x70073777, 0x00011003,
 249	0xd02c, 0xbfffff1f, 0x08421000,
 250	0xd0b8, 0x73773777, 0x02011003,
 251	0x5bc0, 0x00200000, 0x50100000,
 252	0x98f8, 0x33773777, 0x02011003,
 253	0x98fc, 0xffffffff, 0x76541032,
 254	0x7030, 0x31000311, 0x00000011,
 255	0x2f48, 0x33773777, 0x42010001,
 256	0x6b28, 0x00000010, 0x00000012,
 257	0x7728, 0x00000010, 0x00000012,
 258	0x10328, 0x00000010, 0x00000012,
 259	0x10f28, 0x00000010, 0x00000012,
 260	0x11b28, 0x00000010, 0x00000012,
 261	0x12728, 0x00000010, 0x00000012,
 262	0x240c, 0x000007ff, 0x00000000,
 263	0x8a14, 0xf000001f, 0x00000007,
 264	0x8b24, 0x3fff3fff, 0x00ff0fff,
 265	0x8b10, 0x0000ff0f, 0x00000000,
 266	0x28a4c, 0x07ffffff, 0x06000000,
 267	0x10c, 0x00000001, 0x00010003,
 268	0xa02c, 0xffffffff, 0x0000009b,
 269	0x913c, 0x0000010f, 0x01000100,
 270	0x8c04, 0xf8ff00ff, 0x40600060,
 271	0x28350, 0x00000f01, 0x00000000,
 272	0x9508, 0x3700001f, 0x00000002,
 273	0x960c, 0xffffffff, 0x54763210,
 274	0x88c4, 0x001f3ae3, 0x00000082,
 275	0x88d0, 0xffffffff, 0x0f40df40,
 276	0x88d4, 0x0000001f, 0x00000010,
 277	0x8974, 0xffffffff, 0x00000000
 278};
 279
 280static const u32 dvst_golden_registers2[] =
 281{
 282	0x8f8, 0xffffffff, 0,
 283	0x8fc, 0x00380000, 0,
 284	0x8f8, 0xffffffff, 1,
 285	0x8fc, 0x0e000000, 0
 286};
 287
 288static const u32 dvst_golden_registers[] =
 289{
 290	0x690, 0x3fff3fff, 0x20c00033,
 291	0x918c, 0x0fff0fff, 0x00010006,
 292	0x91a8, 0x0fff0fff, 0x00010006,
 293	0x9150, 0xffffdfff, 0x6e944040,
 294	0x917c, 0x0fff0fff, 0x00030002,
 295	0x9198, 0x0fff0fff, 0x00030002,
 296	0x915c, 0x0fff0fff, 0x00010000,
 297	0x3f90, 0xffff0001, 0xff000000,
 298	0x9178, 0x0fff0fff, 0x00070000,
 299	0x9194, 0x0fff0fff, 0x00070000,
 300	0x9148, 0xffff0001, 0xff000000,
 301	0x9190, 0x0fff0fff, 0x00090008,
 302	0x91ac, 0x0fff0fff, 0x00090008,
 303	0x3f94, 0xffff0000, 0xff000000,
 304	0x914c, 0xffff0000, 0xff000000,
 305	0x929c, 0x00000fff, 0x00000001,
 306	0x55e4, 0xff607fff, 0xfc000100,
 307	0x8a18, 0xff000fff, 0x00000100,
 308	0x8b28, 0xff000fff, 0x00000100,
 309	0x9144, 0xfffc0fff, 0x00000100,
 310	0x6ed8, 0x00010101, 0x00010000,
 311	0x9830, 0xffffffff, 0x00000000,
 312	0x9834, 0xf00fffff, 0x00000400,
 313	0x9838, 0xfffffffe, 0x00000000,
 314	0xd0c0, 0xff000fff, 0x00000100,
 315	0xd02c, 0xbfffff1f, 0x08421000,
 316	0xd0b8, 0x73773777, 0x12010001,
 317	0x5bb0, 0x000000f0, 0x00000070,
 318	0x98f8, 0x73773777, 0x12010001,
 319	0x98fc, 0xffffffff, 0x00000010,
 320	0x9b7c, 0x00ff0000, 0x00fc0000,
 321	0x8030, 0x00001f0f, 0x0000100a,
 322	0x2f48, 0x73773777, 0x12010001,
 323	0x2408, 0x00030000, 0x000c007f,
 324	0x8a14, 0xf000003f, 0x00000007,
 325	0x8b24, 0x3fff3fff, 0x00ff0fff,
 326	0x8b10, 0x0000ff0f, 0x00000000,
 327	0x28a4c, 0x07ffffff, 0x06000000,
 328	0x4d8, 0x00000fff, 0x00000100,
 329	0xa008, 0xffffffff, 0x00010000,
 330	0x913c, 0xffff03ff, 0x01000100,
 331	0x8c00, 0x000000ff, 0x00000003,
 332	0x8c04, 0xf8ff00ff, 0x40600060,
 333	0x8cf0, 0x1fff1fff, 0x08e00410,
 334	0x28350, 0x00000f01, 0x00000000,
 335	0x9508, 0xf700071f, 0x00000002,
 336	0x960c, 0xffffffff, 0x54763210,
 337	0x20ef8, 0x01ff01ff, 0x00000002,
 338	0x20e98, 0xfffffbff, 0x00200000,
 339	0x2015c, 0xffffffff, 0x00000f40,
 340	0x88c4, 0x001f3ae3, 0x00000082,
 341	0x8978, 0x3fffffff, 0x04050140,
 342	0x88d4, 0x0000001f, 0x00000010,
 343	0x8974, 0xffffffff, 0x00000000
 344};
 345
 346static const u32 scrapper_golden_registers[] =
 347{
 348	0x690, 0x3fff3fff, 0x20c00033,
 349	0x918c, 0x0fff0fff, 0x00010006,
 350	0x918c, 0x0fff0fff, 0x00010006,
 351	0x91a8, 0x0fff0fff, 0x00010006,
 352	0x91a8, 0x0fff0fff, 0x00010006,
 353	0x9150, 0xffffdfff, 0x6e944040,
 354	0x9150, 0xffffdfff, 0x6e944040,
 355	0x917c, 0x0fff0fff, 0x00030002,
 356	0x917c, 0x0fff0fff, 0x00030002,
 357	0x9198, 0x0fff0fff, 0x00030002,
 358	0x9198, 0x0fff0fff, 0x00030002,
 359	0x915c, 0x0fff0fff, 0x00010000,
 360	0x915c, 0x0fff0fff, 0x00010000,
 361	0x3f90, 0xffff0001, 0xff000000,
 362	0x3f90, 0xffff0001, 0xff000000,
 363	0x9178, 0x0fff0fff, 0x00070000,
 364	0x9178, 0x0fff0fff, 0x00070000,
 365	0x9194, 0x0fff0fff, 0x00070000,
 366	0x9194, 0x0fff0fff, 0x00070000,
 367	0x9148, 0xffff0001, 0xff000000,
 368	0x9148, 0xffff0001, 0xff000000,
 369	0x9190, 0x0fff0fff, 0x00090008,
 370	0x9190, 0x0fff0fff, 0x00090008,
 371	0x91ac, 0x0fff0fff, 0x00090008,
 372	0x91ac, 0x0fff0fff, 0x00090008,
 373	0x3f94, 0xffff0000, 0xff000000,
 374	0x3f94, 0xffff0000, 0xff000000,
 375	0x914c, 0xffff0000, 0xff000000,
 376	0x914c, 0xffff0000, 0xff000000,
 377	0x929c, 0x00000fff, 0x00000001,
 378	0x929c, 0x00000fff, 0x00000001,
 379	0x55e4, 0xff607fff, 0xfc000100,
 380	0x8a18, 0xff000fff, 0x00000100,
 381	0x8a18, 0xff000fff, 0x00000100,
 382	0x8b28, 0xff000fff, 0x00000100,
 383	0x8b28, 0xff000fff, 0x00000100,
 384	0x9144, 0xfffc0fff, 0x00000100,
 385	0x9144, 0xfffc0fff, 0x00000100,
 386	0x6ed8, 0x00010101, 0x00010000,
 387	0x9830, 0xffffffff, 0x00000000,
 388	0x9830, 0xffffffff, 0x00000000,
 389	0x9834, 0xf00fffff, 0x00000400,
 390	0x9834, 0xf00fffff, 0x00000400,
 391	0x9838, 0xfffffffe, 0x00000000,
 392	0x9838, 0xfffffffe, 0x00000000,
 393	0xd0c0, 0xff000fff, 0x00000100,
 394	0xd02c, 0xbfffff1f, 0x08421000,
 395	0xd02c, 0xbfffff1f, 0x08421000,
 396	0xd0b8, 0x73773777, 0x12010001,
 397	0xd0b8, 0x73773777, 0x12010001,
 398	0x5bb0, 0x000000f0, 0x00000070,
 399	0x98f8, 0x73773777, 0x12010001,
 400	0x98f8, 0x73773777, 0x12010001,
 401	0x98fc, 0xffffffff, 0x00000010,
 402	0x98fc, 0xffffffff, 0x00000010,
 403	0x9b7c, 0x00ff0000, 0x00fc0000,
 404	0x9b7c, 0x00ff0000, 0x00fc0000,
 405	0x8030, 0x00001f0f, 0x0000100a,
 406	0x8030, 0x00001f0f, 0x0000100a,
 407	0x2f48, 0x73773777, 0x12010001,
 408	0x2f48, 0x73773777, 0x12010001,
 409	0x2408, 0x00030000, 0x000c007f,
 410	0x8a14, 0xf000003f, 0x00000007,
 411	0x8a14, 0xf000003f, 0x00000007,
 412	0x8b24, 0x3fff3fff, 0x00ff0fff,
 413	0x8b24, 0x3fff3fff, 0x00ff0fff,
 414	0x8b10, 0x0000ff0f, 0x00000000,
 415	0x8b10, 0x0000ff0f, 0x00000000,
 416	0x28a4c, 0x07ffffff, 0x06000000,
 417	0x28a4c, 0x07ffffff, 0x06000000,
 418	0x4d8, 0x00000fff, 0x00000100,
 419	0x4d8, 0x00000fff, 0x00000100,
 420	0xa008, 0xffffffff, 0x00010000,
 421	0xa008, 0xffffffff, 0x00010000,
 422	0x913c, 0xffff03ff, 0x01000100,
 423	0x913c, 0xffff03ff, 0x01000100,
 424	0x90e8, 0x001fffff, 0x010400c0,
 425	0x8c00, 0x000000ff, 0x00000003,
 426	0x8c00, 0x000000ff, 0x00000003,
 427	0x8c04, 0xf8ff00ff, 0x40600060,
 428	0x8c04, 0xf8ff00ff, 0x40600060,
 429	0x8c30, 0x0000000f, 0x00040005,
 430	0x8cf0, 0x1fff1fff, 0x08e00410,
 431	0x8cf0, 0x1fff1fff, 0x08e00410,
 432	0x900c, 0x00ffffff, 0x0017071f,
 433	0x28350, 0x00000f01, 0x00000000,
 434	0x28350, 0x00000f01, 0x00000000,
 435	0x9508, 0xf700071f, 0x00000002,
 436	0x9508, 0xf700071f, 0x00000002,
 437	0x9688, 0x00300000, 0x0017000f,
 438	0x960c, 0xffffffff, 0x54763210,
 439	0x960c, 0xffffffff, 0x54763210,
 440	0x20ef8, 0x01ff01ff, 0x00000002,
 441	0x20e98, 0xfffffbff, 0x00200000,
 442	0x2015c, 0xffffffff, 0x00000f40,
 443	0x88c4, 0x001f3ae3, 0x00000082,
 444	0x88c4, 0x001f3ae3, 0x00000082,
 445	0x8978, 0x3fffffff, 0x04050140,
 446	0x8978, 0x3fffffff, 0x04050140,
 447	0x88d4, 0x0000001f, 0x00000010,
 448	0x88d4, 0x0000001f, 0x00000010,
 449	0x8974, 0xffffffff, 0x00000000,
 450	0x8974, 0xffffffff, 0x00000000
 451};
 452
 453static void ni_init_golden_registers(struct radeon_device *rdev)
 454{
 455	switch (rdev->family) {
 456	case CHIP_CAYMAN:
 457		radeon_program_register_sequence(rdev,
 458						 cayman_golden_registers,
 459						 (const u32)ARRAY_SIZE(cayman_golden_registers));
 460		radeon_program_register_sequence(rdev,
 461						 cayman_golden_registers2,
 462						 (const u32)ARRAY_SIZE(cayman_golden_registers2));
 463		break;
 464	case CHIP_ARUBA:
 465		if ((rdev->pdev->device == 0x9900) ||
 466		    (rdev->pdev->device == 0x9901) ||
 467		    (rdev->pdev->device == 0x9903) ||
 468		    (rdev->pdev->device == 0x9904) ||
 469		    (rdev->pdev->device == 0x9905) ||
 470		    (rdev->pdev->device == 0x9906) ||
 471		    (rdev->pdev->device == 0x9907) ||
 472		    (rdev->pdev->device == 0x9908) ||
 473		    (rdev->pdev->device == 0x9909) ||
 474		    (rdev->pdev->device == 0x990A) ||
 475		    (rdev->pdev->device == 0x990B) ||
 476		    (rdev->pdev->device == 0x990C) ||
 477		    (rdev->pdev->device == 0x990D) ||
 478		    (rdev->pdev->device == 0x990E) ||
 479		    (rdev->pdev->device == 0x990F) ||
 480		    (rdev->pdev->device == 0x9910) ||
 481		    (rdev->pdev->device == 0x9913) ||
 482		    (rdev->pdev->device == 0x9917) ||
 483		    (rdev->pdev->device == 0x9918)) {
 484			radeon_program_register_sequence(rdev,
 485							 dvst_golden_registers,
 486							 (const u32)ARRAY_SIZE(dvst_golden_registers));
 487			radeon_program_register_sequence(rdev,
 488							 dvst_golden_registers2,
 489							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
 490		} else {
 491			radeon_program_register_sequence(rdev,
 492							 scrapper_golden_registers,
 493							 (const u32)ARRAY_SIZE(scrapper_golden_registers));
 494			radeon_program_register_sequence(rdev,
 495							 dvst_golden_registers2,
 496							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
 497		}
 498		break;
 499	default:
 500		break;
 501	}
 502}
 503
 504#define BTC_IO_MC_REGS_SIZE 29
 505
 506static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 507	{0x00000077, 0xff010100},
 508	{0x00000078, 0x00000000},
 509	{0x00000079, 0x00001434},
 510	{0x0000007a, 0xcc08ec08},
 511	{0x0000007b, 0x00040000},
 512	{0x0000007c, 0x000080c0},
 513	{0x0000007d, 0x09000000},
 514	{0x0000007e, 0x00210404},
 515	{0x00000081, 0x08a8e800},
 516	{0x00000082, 0x00030444},
 517	{0x00000083, 0x00000000},
 518	{0x00000085, 0x00000001},
 519	{0x00000086, 0x00000002},
 520	{0x00000087, 0x48490000},
 521	{0x00000088, 0x20244647},
 522	{0x00000089, 0x00000005},
 523	{0x0000008b, 0x66030000},
 524	{0x0000008c, 0x00006603},
 525	{0x0000008d, 0x00000100},
 526	{0x0000008f, 0x00001c0a},
 527	{0x00000090, 0xff000001},
 528	{0x00000094, 0x00101101},
 529	{0x00000095, 0x00000fff},
 530	{0x00000096, 0x00116fff},
 531	{0x00000097, 0x60010000},
 532	{0x00000098, 0x10010000},
 533	{0x00000099, 0x00006000},
 534	{0x0000009a, 0x00001000},
 535	{0x0000009f, 0x00946a00}
 536};
 537
 538static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 539	{0x00000077, 0xff010100},
 540	{0x00000078, 0x00000000},
 541	{0x00000079, 0x00001434},
 542	{0x0000007a, 0xcc08ec08},
 543	{0x0000007b, 0x00040000},
 544	{0x0000007c, 0x000080c0},
 545	{0x0000007d, 0x09000000},
 546	{0x0000007e, 0x00210404},
 547	{0x00000081, 0x08a8e800},
 548	{0x00000082, 0x00030444},
 549	{0x00000083, 0x00000000},
 550	{0x00000085, 0x00000001},
 551	{0x00000086, 0x00000002},
 552	{0x00000087, 0x48490000},
 553	{0x00000088, 0x20244647},
 554	{0x00000089, 0x00000005},
 555	{0x0000008b, 0x66030000},
 556	{0x0000008c, 0x00006603},
 557	{0x0000008d, 0x00000100},
 558	{0x0000008f, 0x00001c0a},
 559	{0x00000090, 0xff000001},
 560	{0x00000094, 0x00101101},
 561	{0x00000095, 0x00000fff},
 562	{0x00000096, 0x00116fff},
 563	{0x00000097, 0x60010000},
 564	{0x00000098, 0x10010000},
 565	{0x00000099, 0x00006000},
 566	{0x0000009a, 0x00001000},
 567	{0x0000009f, 0x00936a00}
 568};
 569
 570static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 571	{0x00000077, 0xff010100},
 572	{0x00000078, 0x00000000},
 573	{0x00000079, 0x00001434},
 574	{0x0000007a, 0xcc08ec08},
 575	{0x0000007b, 0x00040000},
 576	{0x0000007c, 0x000080c0},
 577	{0x0000007d, 0x09000000},
 578	{0x0000007e, 0x00210404},
 579	{0x00000081, 0x08a8e800},
 580	{0x00000082, 0x00030444},
 581	{0x00000083, 0x00000000},
 582	{0x00000085, 0x00000001},
 583	{0x00000086, 0x00000002},
 584	{0x00000087, 0x48490000},
 585	{0x00000088, 0x20244647},
 586	{0x00000089, 0x00000005},
 587	{0x0000008b, 0x66030000},
 588	{0x0000008c, 0x00006603},
 589	{0x0000008d, 0x00000100},
 590	{0x0000008f, 0x00001c0a},
 591	{0x00000090, 0xff000001},
 592	{0x00000094, 0x00101101},
 593	{0x00000095, 0x00000fff},
 594	{0x00000096, 0x00116fff},
 595	{0x00000097, 0x60010000},
 596	{0x00000098, 0x10010000},
 597	{0x00000099, 0x00006000},
 598	{0x0000009a, 0x00001000},
 599	{0x0000009f, 0x00916a00}
 600};
 601
 602static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 603	{0x00000077, 0xff010100},
 604	{0x00000078, 0x00000000},
 605	{0x00000079, 0x00001434},
 606	{0x0000007a, 0xcc08ec08},
 607	{0x0000007b, 0x00040000},
 608	{0x0000007c, 0x000080c0},
 609	{0x0000007d, 0x09000000},
 610	{0x0000007e, 0x00210404},
 611	{0x00000081, 0x08a8e800},
 612	{0x00000082, 0x00030444},
 613	{0x00000083, 0x00000000},
 614	{0x00000085, 0x00000001},
 615	{0x00000086, 0x00000002},
 616	{0x00000087, 0x48490000},
 617	{0x00000088, 0x20244647},
 618	{0x00000089, 0x00000005},
 619	{0x0000008b, 0x66030000},
 620	{0x0000008c, 0x00006603},
 621	{0x0000008d, 0x00000100},
 622	{0x0000008f, 0x00001c0a},
 623	{0x00000090, 0xff000001},
 624	{0x00000094, 0x00101101},
 625	{0x00000095, 0x00000fff},
 626	{0x00000096, 0x00116fff},
 627	{0x00000097, 0x60010000},
 628	{0x00000098, 0x10010000},
 629	{0x00000099, 0x00006000},
 630	{0x0000009a, 0x00001000},
 631	{0x0000009f, 0x00976b00}
 632};
 633
 634int ni_mc_load_microcode(struct radeon_device *rdev)
 635{
 636	const __be32 *fw_data;
 637	u32 mem_type, running, blackout = 0;
 638	u32 *io_mc_regs;
 639	int i, ucode_size, regs_size;
 640
 641	if (!rdev->mc_fw)
 642		return -EINVAL;
 643
 644	switch (rdev->family) {
 645	case CHIP_BARTS:
 646		io_mc_regs = (u32 *)&barts_io_mc_regs;
 647		ucode_size = BTC_MC_UCODE_SIZE;
 648		regs_size = BTC_IO_MC_REGS_SIZE;
 649		break;
 650	case CHIP_TURKS:
 651		io_mc_regs = (u32 *)&turks_io_mc_regs;
 652		ucode_size = BTC_MC_UCODE_SIZE;
 653		regs_size = BTC_IO_MC_REGS_SIZE;
 654		break;
 655	case CHIP_CAICOS:
 656	default:
 657		io_mc_regs = (u32 *)&caicos_io_mc_regs;
 658		ucode_size = BTC_MC_UCODE_SIZE;
 659		regs_size = BTC_IO_MC_REGS_SIZE;
 660		break;
 661	case CHIP_CAYMAN:
 662		io_mc_regs = (u32 *)&cayman_io_mc_regs;
 663		ucode_size = CAYMAN_MC_UCODE_SIZE;
 664		regs_size = BTC_IO_MC_REGS_SIZE;
 665		break;
 666	}
 667
 668	mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
 669	running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
 670
 671	if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
 672		if (running) {
 673			blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
 674			WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
 675		}
 676
 677		/* reset the engine and set to writable */
 678		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
 679		WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
 680
 681		/* load mc io regs */
 682		for (i = 0; i < regs_size; i++) {
 683			WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
 684			WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
 685		}
 686		/* load the MC ucode */
 687		fw_data = (const __be32 *)rdev->mc_fw->data;
 688		for (i = 0; i < ucode_size; i++)
 689			WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
 690
 691		/* put the engine back into the active state */
 692		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
 693		WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
 694		WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
 695
 696		/* wait for training to complete */
 697		for (i = 0; i < rdev->usec_timeout; i++) {
 698			if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)
 699				break;
 700			udelay(1);
 701		}
 702
 703		if (running)
 704			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
 705	}
 706
 707	return 0;
 708}
 709
 710int ni_init_microcode(struct radeon_device *rdev)
 711{
 712	const char *chip_name;
 713	const char *rlc_chip_name;
 714	size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
 715	size_t smc_req_size = 0;
 716	char fw_name[30];
 717	int err;
 718
 719	DRM_DEBUG("\n");
 720
 721	switch (rdev->family) {
 722	case CHIP_BARTS:
 723		chip_name = "BARTS";
 724		rlc_chip_name = "BTC";
 725		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 726		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 727		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 728		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 729		smc_req_size = ALIGN(BARTS_SMC_UCODE_SIZE, 4);
 730		break;
 731	case CHIP_TURKS:
 732		chip_name = "TURKS";
 733		rlc_chip_name = "BTC";
 734		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 735		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 736		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 737		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 738		smc_req_size = ALIGN(TURKS_SMC_UCODE_SIZE, 4);
 739		break;
 740	case CHIP_CAICOS:
 741		chip_name = "CAICOS";
 742		rlc_chip_name = "BTC";
 743		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 744		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 745		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 746		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 747		smc_req_size = ALIGN(CAICOS_SMC_UCODE_SIZE, 4);
 748		break;
 749	case CHIP_CAYMAN:
 750		chip_name = "CAYMAN";
 751		rlc_chip_name = "CAYMAN";
 752		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
 753		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
 754		rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
 755		mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
 756		smc_req_size = ALIGN(CAYMAN_SMC_UCODE_SIZE, 4);
 757		break;
 758	case CHIP_ARUBA:
 759		chip_name = "ARUBA";
 760		rlc_chip_name = "ARUBA";
 761		/* pfp/me same size as CAYMAN */
 762		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
 763		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
 764		rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4;
 765		mc_req_size = 0;
 766		break;
 767	default: BUG();
 
 768	}
 769
 770	DRM_INFO("Loading %s Microcode\n", chip_name);
 771
 772	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
 773	err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
 774	if (err)
 775		goto out;
 776	if (rdev->pfp_fw->size != pfp_req_size) {
 777		printk(KERN_ERR
 778		       "ni_cp: Bogus length %zu in firmware \"%s\"\n",
 779		       rdev->pfp_fw->size, fw_name);
 780		err = -EINVAL;
 781		goto out;
 782	}
 783
 784	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
 785	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
 786	if (err)
 787		goto out;
 788	if (rdev->me_fw->size != me_req_size) {
 789		printk(KERN_ERR
 790		       "ni_cp: Bogus length %zu in firmware \"%s\"\n",
 791		       rdev->me_fw->size, fw_name);
 792		err = -EINVAL;
 793	}
 794
 795	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
 796	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
 797	if (err)
 798		goto out;
 799	if (rdev->rlc_fw->size != rlc_req_size) {
 800		printk(KERN_ERR
 801		       "ni_rlc: Bogus length %zu in firmware \"%s\"\n",
 802		       rdev->rlc_fw->size, fw_name);
 803		err = -EINVAL;
 804	}
 805
 806	/* no MC ucode on TN */
 807	if (!(rdev->flags & RADEON_IS_IGP)) {
 808		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
 809		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
 810		if (err)
 811			goto out;
 812		if (rdev->mc_fw->size != mc_req_size) {
 813			printk(KERN_ERR
 814			       "ni_mc: Bogus length %zu in firmware \"%s\"\n",
 815			       rdev->mc_fw->size, fw_name);
 816			err = -EINVAL;
 817		}
 818	}
 819
 820	if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
 821		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
 822		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
 823		if (err) {
 824			printk(KERN_ERR
 825			       "smc: error loading firmware \"%s\"\n",
 826			       fw_name);
 827			release_firmware(rdev->smc_fw);
 828			rdev->smc_fw = NULL;
 829			err = 0;
 830		} else if (rdev->smc_fw->size != smc_req_size) {
 831			printk(KERN_ERR
 832			       "ni_mc: Bogus length %zu in firmware \"%s\"\n",
 833			       rdev->mc_fw->size, fw_name);
 834			err = -EINVAL;
 835		}
 836	}
 837
 838out:
 839	if (err) {
 840		if (err != -EINVAL)
 841			printk(KERN_ERR
 842			       "ni_cp: Failed to load firmware \"%s\"\n",
 843			       fw_name);
 844		release_firmware(rdev->pfp_fw);
 845		rdev->pfp_fw = NULL;
 846		release_firmware(rdev->me_fw);
 847		rdev->me_fw = NULL;
 848		release_firmware(rdev->rlc_fw);
 849		rdev->rlc_fw = NULL;
 850		release_firmware(rdev->mc_fw);
 851		rdev->mc_fw = NULL;
 852	}
 853	return err;
 854}
 855
 856/**
 857 * cayman_get_allowed_info_register - fetch the register for the info ioctl
 858 *
 859 * @rdev: radeon_device pointer
 860 * @reg: register offset in bytes
 861 * @val: register value
 862 *
 863 * Returns 0 for success or -EINVAL for an invalid register
 864 *
 865 */
 866int cayman_get_allowed_info_register(struct radeon_device *rdev,
 867				     u32 reg, u32 *val)
 868{
 869	switch (reg) {
 870	case GRBM_STATUS:
 871	case GRBM_STATUS_SE0:
 872	case GRBM_STATUS_SE1:
 873	case SRBM_STATUS:
 874	case SRBM_STATUS2:
 875	case (DMA_STATUS_REG + DMA0_REGISTER_OFFSET):
 876	case (DMA_STATUS_REG + DMA1_REGISTER_OFFSET):
 877	case UVD_STATUS:
 878		*val = RREG32(reg);
 879		return 0;
 880	default:
 881		return -EINVAL;
 882	}
 883}
 884
 885int tn_get_temp(struct radeon_device *rdev)
 886{
 887	u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff;
 888	int actual_temp = (temp / 8) - 49;
 889
 890	return actual_temp * 1000;
 891}
 892
 893/*
 894 * Core functions
 895 */
 896static void cayman_gpu_init(struct radeon_device *rdev)
 897{
 898	u32 gb_addr_config = 0;
 899	u32 mc_shared_chmap, mc_arb_ramcfg;
 900	u32 cgts_tcc_disable;
 901	u32 sx_debug_1;
 902	u32 smx_dc_ctl0;
 903	u32 cgts_sm_ctrl_reg;
 904	u32 hdp_host_path_cntl;
 905	u32 tmp;
 906	u32 disabled_rb_mask;
 907	int i, j;
 908
 909	switch (rdev->family) {
 910	case CHIP_CAYMAN:
 911		rdev->config.cayman.max_shader_engines = 2;
 912		rdev->config.cayman.max_pipes_per_simd = 4;
 913		rdev->config.cayman.max_tile_pipes = 8;
 914		rdev->config.cayman.max_simds_per_se = 12;
 915		rdev->config.cayman.max_backends_per_se = 4;
 916		rdev->config.cayman.max_texture_channel_caches = 8;
 917		rdev->config.cayman.max_gprs = 256;
 918		rdev->config.cayman.max_threads = 256;
 919		rdev->config.cayman.max_gs_threads = 32;
 920		rdev->config.cayman.max_stack_entries = 512;
 921		rdev->config.cayman.sx_num_of_sets = 8;
 922		rdev->config.cayman.sx_max_export_size = 256;
 923		rdev->config.cayman.sx_max_export_pos_size = 64;
 924		rdev->config.cayman.sx_max_export_smx_size = 192;
 925		rdev->config.cayman.max_hw_contexts = 8;
 926		rdev->config.cayman.sq_num_cf_insts = 2;
 927
 928		rdev->config.cayman.sc_prim_fifo_size = 0x100;
 929		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
 930		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
 931		gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN;
 932		break;
 933	case CHIP_ARUBA:
 934	default:
 935		rdev->config.cayman.max_shader_engines = 1;
 936		rdev->config.cayman.max_pipes_per_simd = 4;
 937		rdev->config.cayman.max_tile_pipes = 2;
 938		if ((rdev->pdev->device == 0x9900) ||
 939		    (rdev->pdev->device == 0x9901) ||
 940		    (rdev->pdev->device == 0x9905) ||
 941		    (rdev->pdev->device == 0x9906) ||
 942		    (rdev->pdev->device == 0x9907) ||
 943		    (rdev->pdev->device == 0x9908) ||
 944		    (rdev->pdev->device == 0x9909) ||
 945		    (rdev->pdev->device == 0x990B) ||
 946		    (rdev->pdev->device == 0x990C) ||
 947		    (rdev->pdev->device == 0x990F) ||
 948		    (rdev->pdev->device == 0x9910) ||
 949		    (rdev->pdev->device == 0x9917) ||
 950		    (rdev->pdev->device == 0x9999) ||
 951		    (rdev->pdev->device == 0x999C)) {
 952			rdev->config.cayman.max_simds_per_se = 6;
 953			rdev->config.cayman.max_backends_per_se = 2;
 954			rdev->config.cayman.max_hw_contexts = 8;
 955			rdev->config.cayman.sx_max_export_size = 256;
 956			rdev->config.cayman.sx_max_export_pos_size = 64;
 957			rdev->config.cayman.sx_max_export_smx_size = 192;
 958		} else if ((rdev->pdev->device == 0x9903) ||
 959			   (rdev->pdev->device == 0x9904) ||
 960			   (rdev->pdev->device == 0x990A) ||
 961			   (rdev->pdev->device == 0x990D) ||
 962			   (rdev->pdev->device == 0x990E) ||
 963			   (rdev->pdev->device == 0x9913) ||
 964			   (rdev->pdev->device == 0x9918) ||
 965			   (rdev->pdev->device == 0x999D)) {
 966			rdev->config.cayman.max_simds_per_se = 4;
 967			rdev->config.cayman.max_backends_per_se = 2;
 968			rdev->config.cayman.max_hw_contexts = 8;
 969			rdev->config.cayman.sx_max_export_size = 256;
 970			rdev->config.cayman.sx_max_export_pos_size = 64;
 971			rdev->config.cayman.sx_max_export_smx_size = 192;
 972		} else if ((rdev->pdev->device == 0x9919) ||
 973			   (rdev->pdev->device == 0x9990) ||
 974			   (rdev->pdev->device == 0x9991) ||
 975			   (rdev->pdev->device == 0x9994) ||
 976			   (rdev->pdev->device == 0x9995) ||
 977			   (rdev->pdev->device == 0x9996) ||
 978			   (rdev->pdev->device == 0x999A) ||
 979			   (rdev->pdev->device == 0x99A0)) {
 980			rdev->config.cayman.max_simds_per_se = 3;
 981			rdev->config.cayman.max_backends_per_se = 1;
 982			rdev->config.cayman.max_hw_contexts = 4;
 983			rdev->config.cayman.sx_max_export_size = 128;
 984			rdev->config.cayman.sx_max_export_pos_size = 32;
 985			rdev->config.cayman.sx_max_export_smx_size = 96;
 986		} else {
 987			rdev->config.cayman.max_simds_per_se = 2;
 988			rdev->config.cayman.max_backends_per_se = 1;
 989			rdev->config.cayman.max_hw_contexts = 4;
 990			rdev->config.cayman.sx_max_export_size = 128;
 991			rdev->config.cayman.sx_max_export_pos_size = 32;
 992			rdev->config.cayman.sx_max_export_smx_size = 96;
 993		}
 994		rdev->config.cayman.max_texture_channel_caches = 2;
 995		rdev->config.cayman.max_gprs = 256;
 996		rdev->config.cayman.max_threads = 256;
 997		rdev->config.cayman.max_gs_threads = 32;
 998		rdev->config.cayman.max_stack_entries = 512;
 999		rdev->config.cayman.sx_num_of_sets = 8;
1000		rdev->config.cayman.sq_num_cf_insts = 2;
1001
1002		rdev->config.cayman.sc_prim_fifo_size = 0x40;
1003		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
1004		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
1005		gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN;
1006		break;
1007	}
1008
1009	/* Initialize HDP */
1010	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1011		WREG32((0x2c14 + j), 0x00000000);
1012		WREG32((0x2c18 + j), 0x00000000);
1013		WREG32((0x2c1c + j), 0x00000000);
1014		WREG32((0x2c20 + j), 0x00000000);
1015		WREG32((0x2c24 + j), 0x00000000);
1016	}
1017
1018	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1019	WREG32(SRBM_INT_CNTL, 0x1);
1020	WREG32(SRBM_INT_ACK, 0x1);
1021
1022	evergreen_fix_pci_max_read_req_size(rdev);
1023
1024	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
1025	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1026
1027	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
1028	rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
1029	if (rdev->config.cayman.mem_row_size_in_kb > 4)
1030		rdev->config.cayman.mem_row_size_in_kb = 4;
1031	/* XXX use MC settings? */
1032	rdev->config.cayman.shader_engine_tile_size = 32;
1033	rdev->config.cayman.num_gpus = 1;
1034	rdev->config.cayman.multi_gpu_tile_size = 64;
1035
1036	tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
1037	rdev->config.cayman.num_tile_pipes = (1 << tmp);
1038	tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
1039	rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
1040	tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
1041	rdev->config.cayman.num_shader_engines = tmp + 1;
1042	tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
1043	rdev->config.cayman.num_gpus = tmp + 1;
1044	tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
1045	rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
1046	tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
1047	rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
1048
1049
1050	/* setup tiling info dword.  gb_addr_config is not adequate since it does
1051	 * not have bank info, so create a custom tiling dword.
1052	 * bits 3:0   num_pipes
1053	 * bits 7:4   num_banks
1054	 * bits 11:8  group_size
1055	 * bits 15:12 row_size
1056	 */
1057	rdev->config.cayman.tile_config = 0;
1058	switch (rdev->config.cayman.num_tile_pipes) {
1059	case 1:
1060	default:
1061		rdev->config.cayman.tile_config |= (0 << 0);
1062		break;
1063	case 2:
1064		rdev->config.cayman.tile_config |= (1 << 0);
1065		break;
1066	case 4:
1067		rdev->config.cayman.tile_config |= (2 << 0);
1068		break;
1069	case 8:
1070		rdev->config.cayman.tile_config |= (3 << 0);
1071		break;
1072	}
1073
1074	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
1075	if (rdev->flags & RADEON_IS_IGP)
1076		rdev->config.cayman.tile_config |= 1 << 4;
1077	else {
1078		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
1079		case 0: /* four banks */
1080			rdev->config.cayman.tile_config |= 0 << 4;
1081			break;
1082		case 1: /* eight banks */
1083			rdev->config.cayman.tile_config |= 1 << 4;
1084			break;
1085		case 2: /* sixteen banks */
1086		default:
1087			rdev->config.cayman.tile_config |= 2 << 4;
1088			break;
1089		}
1090	}
1091	rdev->config.cayman.tile_config |=
1092		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
1093	rdev->config.cayman.tile_config |=
1094		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
1095
1096	tmp = 0;
1097	for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
1098		u32 rb_disable_bitmap;
1099
1100		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1101		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1102		rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
1103		tmp <<= 4;
1104		tmp |= rb_disable_bitmap;
1105	}
1106	/* enabled rb are just the one not disabled :) */
1107	disabled_rb_mask = tmp;
1108	tmp = 0;
1109	for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1110		tmp |= (1 << i);
1111	/* if all the backends are disabled, fix it up here */
1112	if ((disabled_rb_mask & tmp) == tmp) {
1113		for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1114			disabled_rb_mask &= ~(1 << i);
1115	}
1116
1117	for (i = 0; i < rdev->config.cayman.max_shader_engines; i++) {
1118		u32 simd_disable_bitmap;
1119
1120		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1121		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1122		simd_disable_bitmap = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
1123		simd_disable_bitmap |= 0xffffffff << rdev->config.cayman.max_simds_per_se;
1124		tmp <<= 16;
1125		tmp |= simd_disable_bitmap;
1126	}
1127	rdev->config.cayman.active_simds = hweight32(~tmp);
1128
1129	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1130	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1131
1132	WREG32(GB_ADDR_CONFIG, gb_addr_config);
1133	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1134	if (ASIC_IS_DCE6(rdev))
1135		WREG32(DMIF_ADDR_CALC, gb_addr_config);
1136	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1137	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
1138	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
1139	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
1140	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
1141	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
1142
1143	if ((rdev->config.cayman.max_backends_per_se == 1) &&
1144	    (rdev->flags & RADEON_IS_IGP)) {
1145		if ((disabled_rb_mask & 3) == 2) {
1146			/* RB1 disabled, RB0 enabled */
1147			tmp = 0x00000000;
1148		} else {
1149			/* RB0 disabled, RB1 enabled */
1150			tmp = 0x11111111;
1151		}
1152	} else {
1153		tmp = gb_addr_config & NUM_PIPES_MASK;
1154		tmp = r6xx_remap_render_backend(rdev, tmp,
1155						rdev->config.cayman.max_backends_per_se *
1156						rdev->config.cayman.max_shader_engines,
1157						CAYMAN_MAX_BACKENDS, disabled_rb_mask);
1158	}
 
1159	WREG32(GB_BACKEND_MAP, tmp);
1160
1161	cgts_tcc_disable = 0xffff0000;
1162	for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
1163		cgts_tcc_disable &= ~(1 << (16 + i));
1164	WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
1165	WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
1166	WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
1167	WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
1168
1169	/* reprogram the shader complex */
1170	cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
1171	for (i = 0; i < 16; i++)
1172		WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
1173	WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
1174
1175	/* set HW defaults for 3D engine */
1176	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
1177
1178	sx_debug_1 = RREG32(SX_DEBUG_1);
1179	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1180	WREG32(SX_DEBUG_1, sx_debug_1);
1181
1182	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1183	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1184	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
1185	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1186
1187	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
1188
1189	/* need to be explicitly zero-ed */
1190	WREG32(VGT_OFFCHIP_LDS_BASE, 0);
1191	WREG32(SQ_LSTMP_RING_BASE, 0);
1192	WREG32(SQ_HSTMP_RING_BASE, 0);
1193	WREG32(SQ_ESTMP_RING_BASE, 0);
1194	WREG32(SQ_GSTMP_RING_BASE, 0);
1195	WREG32(SQ_VSTMP_RING_BASE, 0);
1196	WREG32(SQ_PSTMP_RING_BASE, 0);
1197
1198	WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
1199
1200	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
1201					POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
1202					SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
1203
1204	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
1205				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
1206				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
1207
1208
1209	WREG32(VGT_NUM_INSTANCES, 1);
1210
1211	WREG32(CP_PERFMON_CNTL, 0);
1212
1213	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
1214				  FETCH_FIFO_HIWATER(0x4) |
1215				  DONE_FIFO_HIWATER(0xe0) |
1216				  ALU_UPDATE_FIFO_HIWATER(0x8)));
1217
1218	WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
1219	WREG32(SQ_CONFIG, (VC_ENABLE |
1220			   EXPORT_SRC_C |
1221			   GFX_PRIO(0) |
1222			   CS1_PRIO(0) |
1223			   CS2_PRIO(1)));
1224	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
1225
1226	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1227					  FORCE_EOV_MAX_REZ_CNT(255)));
1228
1229	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
1230	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
1231
1232	WREG32(VGT_GS_VERTEX_REUSE, 16);
1233	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1234
1235	WREG32(CB_PERF_CTR0_SEL_0, 0);
1236	WREG32(CB_PERF_CTR0_SEL_1, 0);
1237	WREG32(CB_PERF_CTR1_SEL_0, 0);
1238	WREG32(CB_PERF_CTR1_SEL_1, 0);
1239	WREG32(CB_PERF_CTR2_SEL_0, 0);
1240	WREG32(CB_PERF_CTR2_SEL_1, 0);
1241	WREG32(CB_PERF_CTR3_SEL_0, 0);
1242	WREG32(CB_PERF_CTR3_SEL_1, 0);
1243
1244	tmp = RREG32(HDP_MISC_CNTL);
1245	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
1246	WREG32(HDP_MISC_CNTL, tmp);
1247
1248	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1249	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1250
1251	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1252
1253	udelay(50);
1254
1255	/* set clockgating golden values on TN */
1256	if (rdev->family == CHIP_ARUBA) {
1257		tmp = RREG32_CG(CG_CGTT_LOCAL_0);
1258		tmp &= ~0x00380000;
1259		WREG32_CG(CG_CGTT_LOCAL_0, tmp);
1260		tmp = RREG32_CG(CG_CGTT_LOCAL_1);
1261		tmp &= ~0x0e000000;
1262		WREG32_CG(CG_CGTT_LOCAL_1, tmp);
1263	}
1264}
1265
1266/*
1267 * GART
1268 */
1269void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
1270{
1271	/* flush hdp cache */
1272	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1273
1274	/* bits 0-7 are the VM contexts0-7 */
1275	WREG32(VM_INVALIDATE_REQUEST, 1);
1276}
1277
1278static int cayman_pcie_gart_enable(struct radeon_device *rdev)
1279{
1280	int i, r;
1281
1282	if (rdev->gart.robj == NULL) {
1283		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1284		return -EINVAL;
1285	}
1286	r = radeon_gart_table_vram_pin(rdev);
1287	if (r)
1288		return r;
1289	/* Setup TLB control */
1290	WREG32(MC_VM_MX_L1_TLB_CNTL,
1291	       (0xA << 7) |
1292	       ENABLE_L1_TLB |
1293	       ENABLE_L1_FRAGMENT_PROCESSING |
1294	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1295	       ENABLE_ADVANCED_DRIVER_MODEL |
1296	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1297	/* Setup L2 cache */
1298	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
1299	       ENABLE_L2_FRAGMENT_PROCESSING |
1300	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1301	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1302	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1303	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1304	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
1305	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1306	       BANK_SELECT(6) |
1307	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1308	/* setup context0 */
1309	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1310	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1311	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1312	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1313			(u32)(rdev->dummy_page.addr >> 12));
1314	WREG32(VM_CONTEXT0_CNTL2, 0);
1315	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1316				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1317
1318	WREG32(0x15D4, 0);
1319	WREG32(0x15D8, 0);
1320	WREG32(0x15DC, 0);
1321
1322	/* empty context1-7 */
1323	/* Assign the pt base to something valid for now; the pts used for
1324	 * the VMs are determined by the application and setup and assigned
1325	 * on the fly in the vm part of radeon_gart.c
1326	 */
1327	for (i = 1; i < 8; i++) {
1328		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
1329		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2),
1330			rdev->vm_manager.max_pfn - 1);
1331		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
1332		       rdev->vm_manager.saved_table_addr[i]);
1333	}
1334
1335	/* enable context1-7 */
1336	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
1337	       (u32)(rdev->dummy_page.addr >> 12));
1338	WREG32(VM_CONTEXT1_CNTL2, 4);
1339	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
1340				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
1341				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1342				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1343				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1344				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1345				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
1346				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
1347				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
1348				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
1349				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
1350				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
1351				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1352				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
1353
1354	cayman_pcie_gart_tlb_flush(rdev);
1355	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1356		 (unsigned)(rdev->mc.gtt_size >> 20),
1357		 (unsigned long long)rdev->gart.table_addr);
1358	rdev->gart.ready = true;
1359	return 0;
1360}
1361
1362static void cayman_pcie_gart_disable(struct radeon_device *rdev)
1363{
1364	unsigned i;
1365
1366	for (i = 1; i < 8; ++i) {
1367		rdev->vm_manager.saved_table_addr[i] = RREG32(
1368			VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2));
1369	}
1370
1371	/* Disable all tables */
1372	WREG32(VM_CONTEXT0_CNTL, 0);
1373	WREG32(VM_CONTEXT1_CNTL, 0);
1374	/* Setup TLB control */
1375	WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1376	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1377	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1378	/* Setup L2 cache */
1379	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1380	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1381	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1382	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1383	WREG32(VM_L2_CNTL2, 0);
1384	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1385	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1386	radeon_gart_table_vram_unpin(rdev);
1387}
1388
1389static void cayman_pcie_gart_fini(struct radeon_device *rdev)
1390{
1391	cayman_pcie_gart_disable(rdev);
1392	radeon_gart_table_vram_free(rdev);
1393	radeon_gart_fini(rdev);
1394}
1395
1396void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
1397			      int ring, u32 cp_int_cntl)
1398{
1399	u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3;
1400
1401	WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3));
1402	WREG32(CP_INT_CNTL, cp_int_cntl);
1403}
1404
1405/*
1406 * CP.
1407 */
1408void cayman_fence_ring_emit(struct radeon_device *rdev,
1409			    struct radeon_fence *fence)
1410{
1411	struct radeon_ring *ring = &rdev->ring[fence->ring];
1412	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
1413	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1414		PACKET3_SH_ACTION_ENA;
1415
1416	/* flush read cache over gart for this vmid */
1417	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1418	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1419	radeon_ring_write(ring, 0xFFFFFFFF);
1420	radeon_ring_write(ring, 0);
1421	radeon_ring_write(ring, 10); /* poll interval */
1422	/* EVENT_WRITE_EOP - flush caches, send int */
1423	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1424	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1425	radeon_ring_write(ring, lower_32_bits(addr));
1426	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1427	radeon_ring_write(ring, fence->seq);
1428	radeon_ring_write(ring, 0);
1429}
1430
1431void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1432{
1433	struct radeon_ring *ring = &rdev->ring[ib->ring];
1434	unsigned vm_id = ib->vm ? ib->vm->ids[ib->ring].id : 0;
1435	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1436		PACKET3_SH_ACTION_ENA;
1437
1438	/* set to DX10/11 mode */
1439	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1440	radeon_ring_write(ring, 1);
1441
1442	if (ring->rptr_save_reg) {
1443		uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
1444		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1445		radeon_ring_write(ring, ((ring->rptr_save_reg - 
1446					  PACKET3_SET_CONFIG_REG_START) >> 2));
1447		radeon_ring_write(ring, next_rptr);
1448	}
1449
1450	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1451	radeon_ring_write(ring,
1452#ifdef __BIG_ENDIAN
1453			  (2 << 0) |
1454#endif
1455			  (ib->gpu_addr & 0xFFFFFFFC));
1456	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1457	radeon_ring_write(ring, ib->length_dw | (vm_id << 24));
1458
1459	/* flush read cache over gart for this vmid */
1460	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1461	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1462	radeon_ring_write(ring, 0xFFFFFFFF);
1463	radeon_ring_write(ring, 0);
1464	radeon_ring_write(ring, (vm_id << 24) | 10); /* poll interval */
1465}
1466
1467static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1468{
1469	if (enable)
1470		WREG32(CP_ME_CNTL, 0);
1471	else {
1472		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1473			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1474		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1475		WREG32(SCRATCH_UMSK, 0);
1476		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1477	}
1478}
1479
1480u32 cayman_gfx_get_rptr(struct radeon_device *rdev,
1481			struct radeon_ring *ring)
1482{
1483	u32 rptr;
1484
1485	if (rdev->wb.enabled)
1486		rptr = rdev->wb.wb[ring->rptr_offs/4];
1487	else {
1488		if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1489			rptr = RREG32(CP_RB0_RPTR);
1490		else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1491			rptr = RREG32(CP_RB1_RPTR);
1492		else
1493			rptr = RREG32(CP_RB2_RPTR);
1494	}
1495
1496	return rptr;
1497}
1498
1499u32 cayman_gfx_get_wptr(struct radeon_device *rdev,
1500			struct radeon_ring *ring)
1501{
1502	u32 wptr;
1503
1504	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1505		wptr = RREG32(CP_RB0_WPTR);
1506	else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1507		wptr = RREG32(CP_RB1_WPTR);
1508	else
1509		wptr = RREG32(CP_RB2_WPTR);
1510
1511	return wptr;
1512}
1513
1514void cayman_gfx_set_wptr(struct radeon_device *rdev,
1515			 struct radeon_ring *ring)
1516{
1517	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) {
1518		WREG32(CP_RB0_WPTR, ring->wptr);
1519		(void)RREG32(CP_RB0_WPTR);
1520	} else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) {
1521		WREG32(CP_RB1_WPTR, ring->wptr);
1522		(void)RREG32(CP_RB1_WPTR);
1523	} else {
1524		WREG32(CP_RB2_WPTR, ring->wptr);
1525		(void)RREG32(CP_RB2_WPTR);
1526	}
1527}
1528
1529static int cayman_cp_load_microcode(struct radeon_device *rdev)
1530{
1531	const __be32 *fw_data;
1532	int i;
1533
1534	if (!rdev->me_fw || !rdev->pfp_fw)
1535		return -EINVAL;
1536
1537	cayman_cp_enable(rdev, false);
1538
1539	fw_data = (const __be32 *)rdev->pfp_fw->data;
1540	WREG32(CP_PFP_UCODE_ADDR, 0);
1541	for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1542		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1543	WREG32(CP_PFP_UCODE_ADDR, 0);
1544
1545	fw_data = (const __be32 *)rdev->me_fw->data;
1546	WREG32(CP_ME_RAM_WADDR, 0);
1547	for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1548		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1549
1550	WREG32(CP_PFP_UCODE_ADDR, 0);
1551	WREG32(CP_ME_RAM_WADDR, 0);
1552	WREG32(CP_ME_RAM_RADDR, 0);
1553	return 0;
1554}
1555
1556static int cayman_cp_start(struct radeon_device *rdev)
1557{
1558	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1559	int r, i;
1560
1561	r = radeon_ring_lock(rdev, ring, 7);
1562	if (r) {
1563		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1564		return r;
1565	}
1566	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1567	radeon_ring_write(ring, 0x1);
1568	radeon_ring_write(ring, 0x0);
1569	radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
1570	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1571	radeon_ring_write(ring, 0);
1572	radeon_ring_write(ring, 0);
1573	radeon_ring_unlock_commit(rdev, ring, false);
1574
1575	cayman_cp_enable(rdev, true);
1576
1577	r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
1578	if (r) {
1579		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1580		return r;
1581	}
1582
1583	/* setup clear context state */
1584	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1585	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1586
1587	for (i = 0; i < cayman_default_size; i++)
1588		radeon_ring_write(ring, cayman_default_state[i]);
1589
1590	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1591	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1592
1593	/* set clear context state */
1594	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1595	radeon_ring_write(ring, 0);
1596
1597	/* SQ_VTX_BASE_VTX_LOC */
1598	radeon_ring_write(ring, 0xc0026f00);
1599	radeon_ring_write(ring, 0x00000000);
1600	radeon_ring_write(ring, 0x00000000);
1601	radeon_ring_write(ring, 0x00000000);
1602
1603	/* Clear consts */
1604	radeon_ring_write(ring, 0xc0036f00);
1605	radeon_ring_write(ring, 0x00000bc4);
1606	radeon_ring_write(ring, 0xffffffff);
1607	radeon_ring_write(ring, 0xffffffff);
1608	radeon_ring_write(ring, 0xffffffff);
1609
1610	radeon_ring_write(ring, 0xc0026900);
1611	radeon_ring_write(ring, 0x00000316);
1612	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1613	radeon_ring_write(ring, 0x00000010); /*  */
1614
1615	radeon_ring_unlock_commit(rdev, ring, false);
1616
1617	/* XXX init other rings */
1618
1619	return 0;
1620}
1621
1622static void cayman_cp_fini(struct radeon_device *rdev)
1623{
1624	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1625	cayman_cp_enable(rdev, false);
1626	radeon_ring_fini(rdev, ring);
1627	radeon_scratch_free(rdev, ring->rptr_save_reg);
1628}
1629
1630static int cayman_cp_resume(struct radeon_device *rdev)
1631{
1632	static const int ridx[] = {
1633		RADEON_RING_TYPE_GFX_INDEX,
1634		CAYMAN_RING_TYPE_CP1_INDEX,
1635		CAYMAN_RING_TYPE_CP2_INDEX
1636	};
1637	static const unsigned cp_rb_cntl[] = {
1638		CP_RB0_CNTL,
1639		CP_RB1_CNTL,
1640		CP_RB2_CNTL,
1641	};
1642	static const unsigned cp_rb_rptr_addr[] = {
1643		CP_RB0_RPTR_ADDR,
1644		CP_RB1_RPTR_ADDR,
1645		CP_RB2_RPTR_ADDR
1646	};
1647	static const unsigned cp_rb_rptr_addr_hi[] = {
1648		CP_RB0_RPTR_ADDR_HI,
1649		CP_RB1_RPTR_ADDR_HI,
1650		CP_RB2_RPTR_ADDR_HI
1651	};
1652	static const unsigned cp_rb_base[] = {
1653		CP_RB0_BASE,
1654		CP_RB1_BASE,
1655		CP_RB2_BASE
1656	};
1657	static const unsigned cp_rb_rptr[] = {
1658		CP_RB0_RPTR,
1659		CP_RB1_RPTR,
1660		CP_RB2_RPTR
1661	};
1662	static const unsigned cp_rb_wptr[] = {
1663		CP_RB0_WPTR,
1664		CP_RB1_WPTR,
1665		CP_RB2_WPTR
1666	};
1667	struct radeon_ring *ring;
1668	int i, r;
1669
1670	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1671	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1672				 SOFT_RESET_PA |
1673				 SOFT_RESET_SH |
1674				 SOFT_RESET_VGT |
1675				 SOFT_RESET_SPI |
1676				 SOFT_RESET_SX));
1677	RREG32(GRBM_SOFT_RESET);
1678	mdelay(15);
1679	WREG32(GRBM_SOFT_RESET, 0);
1680	RREG32(GRBM_SOFT_RESET);
1681
1682	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1683	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1684
1685	/* Set the write pointer delay */
1686	WREG32(CP_RB_WPTR_DELAY, 0);
1687
1688	WREG32(CP_DEBUG, (1 << 27));
1689
1690	/* set the wb address whether it's enabled or not */
1691	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1692	WREG32(SCRATCH_UMSK, 0xff);
1693
1694	for (i = 0; i < 3; ++i) {
1695		uint32_t rb_cntl;
1696		uint64_t addr;
1697
1698		/* Set ring buffer size */
1699		ring = &rdev->ring[ridx[i]];
1700		rb_cntl = order_base_2(ring->ring_size / 8);
1701		rb_cntl |= order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8;
1702#ifdef __BIG_ENDIAN
1703		rb_cntl |= BUF_SWAP_32BIT;
1704#endif
1705		WREG32(cp_rb_cntl[i], rb_cntl);
1706
1707		/* set the wb address whether it's enabled or not */
1708		addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1709		WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1710		WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1711	}
1712
1713	/* set the rb base addr, this causes an internal reset of ALL rings */
1714	for (i = 0; i < 3; ++i) {
1715		ring = &rdev->ring[ridx[i]];
1716		WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1717	}
1718
1719	for (i = 0; i < 3; ++i) {
1720		/* Initialize the ring buffer's read and write pointers */
1721		ring = &rdev->ring[ridx[i]];
1722		WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1723
1724		ring->wptr = 0;
1725		WREG32(cp_rb_rptr[i], 0);
1726		WREG32(cp_rb_wptr[i], ring->wptr);
1727
1728		mdelay(1);
1729		WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1730	}
1731
1732	/* start the rings */
1733	cayman_cp_start(rdev);
1734	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1735	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1736	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1737	/* this only test cp0 */
1738	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1739	if (r) {
1740		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1741		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1742		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1743		return r;
1744	}
1745
1746	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1747		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1748
1749	return 0;
1750}
1751
1752u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
1753{
1754	u32 reset_mask = 0;
1755	u32 tmp;
1756
1757	/* GRBM_STATUS */
1758	tmp = RREG32(GRBM_STATUS);
1759	if (tmp & (PA_BUSY | SC_BUSY |
1760		   SH_BUSY | SX_BUSY |
1761		   TA_BUSY | VGT_BUSY |
1762		   DB_BUSY | CB_BUSY |
1763		   GDS_BUSY | SPI_BUSY |
1764		   IA_BUSY | IA_BUSY_NO_DMA))
1765		reset_mask |= RADEON_RESET_GFX;
1766
1767	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
1768		   CP_BUSY | CP_COHERENCY_BUSY))
1769		reset_mask |= RADEON_RESET_CP;
1770
1771	if (tmp & GRBM_EE_BUSY)
1772		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1773
1774	/* DMA_STATUS_REG 0 */
1775	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
1776	if (!(tmp & DMA_IDLE))
1777		reset_mask |= RADEON_RESET_DMA;
1778
1779	/* DMA_STATUS_REG 1 */
1780	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
1781	if (!(tmp & DMA_IDLE))
1782		reset_mask |= RADEON_RESET_DMA1;
1783
1784	/* SRBM_STATUS2 */
1785	tmp = RREG32(SRBM_STATUS2);
1786	if (tmp & DMA_BUSY)
1787		reset_mask |= RADEON_RESET_DMA;
1788
1789	if (tmp & DMA1_BUSY)
1790		reset_mask |= RADEON_RESET_DMA1;
1791
1792	/* SRBM_STATUS */
1793	tmp = RREG32(SRBM_STATUS);
1794	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
1795		reset_mask |= RADEON_RESET_RLC;
1796
1797	if (tmp & IH_BUSY)
1798		reset_mask |= RADEON_RESET_IH;
1799
1800	if (tmp & SEM_BUSY)
1801		reset_mask |= RADEON_RESET_SEM;
1802
1803	if (tmp & GRBM_RQ_PENDING)
1804		reset_mask |= RADEON_RESET_GRBM;
1805
1806	if (tmp & VMC_BUSY)
1807		reset_mask |= RADEON_RESET_VMC;
1808
1809	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
1810		   MCC_BUSY | MCD_BUSY))
1811		reset_mask |= RADEON_RESET_MC;
1812
1813	if (evergreen_is_display_hung(rdev))
1814		reset_mask |= RADEON_RESET_DISPLAY;
1815
1816	/* VM_L2_STATUS */
1817	tmp = RREG32(VM_L2_STATUS);
1818	if (tmp & L2_BUSY)
1819		reset_mask |= RADEON_RESET_VMC;
1820
1821	/* Skip MC reset as it's mostly likely not hung, just busy */
1822	if (reset_mask & RADEON_RESET_MC) {
1823		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1824		reset_mask &= ~RADEON_RESET_MC;
1825	}
1826
1827	return reset_mask;
1828}
1829
1830static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1831{
1832	struct evergreen_mc_save save;
1833	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1834	u32 tmp;
1835
1836	if (reset_mask == 0)
1837		return;
1838
1839	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1840
1841	evergreen_print_gpu_status_regs(rdev);
1842	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1843		 RREG32(0x14F8));
1844	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1845		 RREG32(0x14D8));
1846	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1847		 RREG32(0x14FC));
1848	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1849		 RREG32(0x14DC));
1850
1851	/* Disable CP parsing/prefetching */
1852	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1853
1854	if (reset_mask & RADEON_RESET_DMA) {
1855		/* dma0 */
1856		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1857		tmp &= ~DMA_RB_ENABLE;
1858		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
1859	}
1860
1861	if (reset_mask & RADEON_RESET_DMA1) {
1862		/* dma1 */
1863		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1864		tmp &= ~DMA_RB_ENABLE;
1865		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
1866	}
1867
1868	udelay(50);
1869
1870	evergreen_mc_stop(rdev, &save);
1871	if (evergreen_mc_wait_for_idle(rdev)) {
1872		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1873	}
1874
1875	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1876		grbm_soft_reset = SOFT_RESET_CB |
1877			SOFT_RESET_DB |
1878			SOFT_RESET_GDS |
1879			SOFT_RESET_PA |
1880			SOFT_RESET_SC |
1881			SOFT_RESET_SPI |
1882			SOFT_RESET_SH |
1883			SOFT_RESET_SX |
1884			SOFT_RESET_TC |
1885			SOFT_RESET_TA |
1886			SOFT_RESET_VGT |
1887			SOFT_RESET_IA;
1888	}
1889
1890	if (reset_mask & RADEON_RESET_CP) {
1891		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
1892
1893		srbm_soft_reset |= SOFT_RESET_GRBM;
1894	}
1895
1896	if (reset_mask & RADEON_RESET_DMA)
1897		srbm_soft_reset |= SOFT_RESET_DMA;
1898
1899	if (reset_mask & RADEON_RESET_DMA1)
1900		srbm_soft_reset |= SOFT_RESET_DMA1;
1901
1902	if (reset_mask & RADEON_RESET_DISPLAY)
1903		srbm_soft_reset |= SOFT_RESET_DC;
1904
1905	if (reset_mask & RADEON_RESET_RLC)
1906		srbm_soft_reset |= SOFT_RESET_RLC;
1907
1908	if (reset_mask & RADEON_RESET_SEM)
1909		srbm_soft_reset |= SOFT_RESET_SEM;
1910
1911	if (reset_mask & RADEON_RESET_IH)
1912		srbm_soft_reset |= SOFT_RESET_IH;
1913
1914	if (reset_mask & RADEON_RESET_GRBM)
1915		srbm_soft_reset |= SOFT_RESET_GRBM;
1916
1917	if (reset_mask & RADEON_RESET_VMC)
1918		srbm_soft_reset |= SOFT_RESET_VMC;
1919
1920	if (!(rdev->flags & RADEON_IS_IGP)) {
1921		if (reset_mask & RADEON_RESET_MC)
1922			srbm_soft_reset |= SOFT_RESET_MC;
1923	}
1924
1925	if (grbm_soft_reset) {
1926		tmp = RREG32(GRBM_SOFT_RESET);
1927		tmp |= grbm_soft_reset;
1928		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
1929		WREG32(GRBM_SOFT_RESET, tmp);
1930		tmp = RREG32(GRBM_SOFT_RESET);
1931
1932		udelay(50);
1933
1934		tmp &= ~grbm_soft_reset;
1935		WREG32(GRBM_SOFT_RESET, tmp);
1936		tmp = RREG32(GRBM_SOFT_RESET);
1937	}
1938
1939	if (srbm_soft_reset) {
1940		tmp = RREG32(SRBM_SOFT_RESET);
1941		tmp |= srbm_soft_reset;
1942		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1943		WREG32(SRBM_SOFT_RESET, tmp);
1944		tmp = RREG32(SRBM_SOFT_RESET);
1945
1946		udelay(50);
1947
1948		tmp &= ~srbm_soft_reset;
1949		WREG32(SRBM_SOFT_RESET, tmp);
1950		tmp = RREG32(SRBM_SOFT_RESET);
1951	}
1952
1953	/* Wait a little for things to settle down */
1954	udelay(50);
1955
1956	evergreen_mc_resume(rdev, &save);
1957	udelay(50);
1958
1959	evergreen_print_gpu_status_regs(rdev);
1960}
1961
1962int cayman_asic_reset(struct radeon_device *rdev)
1963{
1964	u32 reset_mask;
1965
 
 
 
 
 
1966	reset_mask = cayman_gpu_check_soft_reset(rdev);
1967
1968	if (reset_mask)
1969		r600_set_bios_scratch_engine_hung(rdev, true);
1970
1971	cayman_gpu_soft_reset(rdev, reset_mask);
1972
1973	reset_mask = cayman_gpu_check_soft_reset(rdev);
1974
1975	if (reset_mask)
1976		evergreen_gpu_pci_config_reset(rdev);
1977
1978	r600_set_bios_scratch_engine_hung(rdev, false);
1979
1980	return 0;
1981}
1982
1983/**
1984 * cayman_gfx_is_lockup - Check if the GFX engine is locked up
1985 *
1986 * @rdev: radeon_device pointer
1987 * @ring: radeon_ring structure holding ring information
1988 *
1989 * Check if the GFX engine is locked up.
1990 * Returns true if the engine appears to be locked up, false if not.
1991 */
1992bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1993{
1994	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
1995
1996	if (!(reset_mask & (RADEON_RESET_GFX |
1997			    RADEON_RESET_COMPUTE |
1998			    RADEON_RESET_CP))) {
1999		radeon_ring_lockup_update(rdev, ring);
2000		return false;
2001	}
2002	return radeon_ring_test_lockup(rdev, ring);
2003}
2004
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2005static int cayman_startup(struct radeon_device *rdev)
2006{
2007	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2008	int r;
2009
2010	/* enable pcie gen2 link */
2011	evergreen_pcie_gen2_enable(rdev);
2012	/* enable aspm */
2013	evergreen_program_aspm(rdev);
2014
2015	/* scratch needs to be initialized before MC */
2016	r = r600_vram_scratch_init(rdev);
2017	if (r)
2018		return r;
2019
2020	evergreen_mc_program(rdev);
2021
2022	if (!(rdev->flags & RADEON_IS_IGP) && !rdev->pm.dpm_enabled) {
2023		r = ni_mc_load_microcode(rdev);
2024		if (r) {
2025			DRM_ERROR("Failed to load MC firmware!\n");
2026			return r;
2027		}
2028	}
2029
2030	r = cayman_pcie_gart_enable(rdev);
2031	if (r)
2032		return r;
2033	cayman_gpu_init(rdev);
2034
2035	/* allocate rlc buffers */
2036	if (rdev->flags & RADEON_IS_IGP) {
2037		rdev->rlc.reg_list = tn_rlc_save_restore_register_list;
2038		rdev->rlc.reg_list_size =
2039			(u32)ARRAY_SIZE(tn_rlc_save_restore_register_list);
2040		rdev->rlc.cs_data = cayman_cs_data;
2041		r = sumo_rlc_init(rdev);
2042		if (r) {
2043			DRM_ERROR("Failed to init rlc BOs!\n");
2044			return r;
2045		}
2046	}
2047
2048	/* allocate wb buffer */
2049	r = radeon_wb_init(rdev);
2050	if (r)
2051		return r;
2052
2053	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
2054	if (r) {
2055		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2056		return r;
2057	}
2058
2059	r = uvd_v2_2_resume(rdev);
2060	if (!r) {
2061		r = radeon_fence_driver_start_ring(rdev,
2062						   R600_RING_TYPE_UVD_INDEX);
2063		if (r)
2064			dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
2065	}
2066	if (r)
2067		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
2068
2069	if (rdev->family == CHIP_ARUBA) {
2070		r = radeon_vce_resume(rdev);
2071		if (!r)
2072			r = vce_v1_0_resume(rdev);
2073
2074		if (!r)
2075			r = radeon_fence_driver_start_ring(rdev,
2076							   TN_RING_TYPE_VCE1_INDEX);
2077		if (!r)
2078			r = radeon_fence_driver_start_ring(rdev,
2079							   TN_RING_TYPE_VCE2_INDEX);
2080
2081		if (r) {
2082			dev_err(rdev->dev, "VCE init error (%d).\n", r);
2083			rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size = 0;
2084			rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_size = 0;
2085		}
2086	}
2087
2088	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
2089	if (r) {
2090		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2091		return r;
2092	}
2093
2094	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
2095	if (r) {
2096		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2097		return r;
2098	}
2099
2100	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
2101	if (r) {
2102		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2103		return r;
2104	}
2105
2106	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
2107	if (r) {
2108		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2109		return r;
2110	}
2111
2112	/* Enable IRQ */
2113	if (!rdev->irq.installed) {
2114		r = radeon_irq_kms_init(rdev);
2115		if (r)
2116			return r;
2117	}
2118
2119	r = r600_irq_init(rdev);
2120	if (r) {
2121		DRM_ERROR("radeon: IH init failed (%d).\n", r);
2122		radeon_irq_kms_fini(rdev);
2123		return r;
2124	}
2125	evergreen_irq_set(rdev);
2126
2127	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
2128			     RADEON_CP_PACKET2);
2129	if (r)
2130		return r;
2131
2132	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2133	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
2134			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2135	if (r)
2136		return r;
2137
2138	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2139	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
2140			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2141	if (r)
2142		return r;
2143
2144	r = cayman_cp_load_microcode(rdev);
2145	if (r)
2146		return r;
2147	r = cayman_cp_resume(rdev);
2148	if (r)
2149		return r;
2150
2151	r = cayman_dma_resume(rdev);
2152	if (r)
2153		return r;
2154
2155	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2156	if (ring->ring_size) {
2157		r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
2158				     RADEON_CP_PACKET2);
2159		if (!r)
2160			r = uvd_v1_0_init(rdev);
2161		if (r)
2162			DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
2163	}
2164
2165	if (rdev->family == CHIP_ARUBA) {
2166		ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
2167		if (ring->ring_size)
2168			r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2169
2170		ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
2171		if (ring->ring_size)
2172			r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2173
2174		if (!r)
2175			r = vce_v1_0_init(rdev);
2176		if (r)
2177			DRM_ERROR("radeon: failed initializing VCE (%d).\n", r);
2178	}
2179
2180	r = radeon_ib_pool_init(rdev);
2181	if (r) {
2182		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2183		return r;
2184	}
2185
2186	r = radeon_vm_manager_init(rdev);
2187	if (r) {
2188		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
2189		return r;
2190	}
2191
2192	r = radeon_audio_init(rdev);
2193	if (r)
2194		return r;
2195
2196	return 0;
2197}
2198
2199int cayman_resume(struct radeon_device *rdev)
2200{
2201	int r;
2202
2203	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2204	 * posting will perform necessary task to bring back GPU into good
2205	 * shape.
2206	 */
2207	/* post card */
2208	atom_asic_init(rdev->mode_info.atom_context);
2209
2210	/* init golden registers */
2211	ni_init_golden_registers(rdev);
2212
2213	if (rdev->pm.pm_method == PM_METHOD_DPM)
2214		radeon_pm_resume(rdev);
2215
2216	rdev->accel_working = true;
2217	r = cayman_startup(rdev);
2218	if (r) {
2219		DRM_ERROR("cayman startup failed on resume\n");
2220		rdev->accel_working = false;
2221		return r;
2222	}
2223	return r;
2224}
2225
2226int cayman_suspend(struct radeon_device *rdev)
2227{
2228	radeon_pm_suspend(rdev);
2229	radeon_audio_fini(rdev);
2230	radeon_vm_manager_fini(rdev);
2231	cayman_cp_enable(rdev, false);
2232	cayman_dma_stop(rdev);
2233	uvd_v1_0_fini(rdev);
2234	radeon_uvd_suspend(rdev);
 
 
2235	evergreen_irq_suspend(rdev);
2236	radeon_wb_disable(rdev);
2237	cayman_pcie_gart_disable(rdev);
2238	return 0;
2239}
2240
2241/* Plan is to move initialization in that function and use
2242 * helper function so that radeon_device_init pretty much
2243 * do nothing more than calling asic specific function. This
2244 * should also allow to remove a bunch of callback function
2245 * like vram_info.
2246 */
2247int cayman_init(struct radeon_device *rdev)
2248{
2249	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2250	int r;
2251
2252	/* Read BIOS */
2253	if (!radeon_get_bios(rdev)) {
2254		if (ASIC_IS_AVIVO(rdev))
2255			return -EINVAL;
2256	}
2257	/* Must be an ATOMBIOS */
2258	if (!rdev->is_atom_bios) {
2259		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
2260		return -EINVAL;
2261	}
2262	r = radeon_atombios_init(rdev);
2263	if (r)
2264		return r;
2265
2266	/* Post card if necessary */
2267	if (!radeon_card_posted(rdev)) {
2268		if (!rdev->bios) {
2269			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2270			return -EINVAL;
2271		}
2272		DRM_INFO("GPU not posted. posting now...\n");
2273		atom_asic_init(rdev->mode_info.atom_context);
2274	}
2275	/* init golden registers */
2276	ni_init_golden_registers(rdev);
2277	/* Initialize scratch registers */
2278	r600_scratch_init(rdev);
2279	/* Initialize surface registers */
2280	radeon_surface_init(rdev);
2281	/* Initialize clocks */
2282	radeon_get_clock_info(rdev->ddev);
2283	/* Fence driver */
2284	r = radeon_fence_driver_init(rdev);
2285	if (r)
2286		return r;
2287	/* initialize memory controller */
2288	r = evergreen_mc_init(rdev);
2289	if (r)
2290		return r;
2291	/* Memory manager */
2292	r = radeon_bo_init(rdev);
2293	if (r)
2294		return r;
2295
2296	if (rdev->flags & RADEON_IS_IGP) {
2297		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2298			r = ni_init_microcode(rdev);
2299			if (r) {
2300				DRM_ERROR("Failed to load firmware!\n");
2301				return r;
2302			}
2303		}
2304	} else {
2305		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2306			r = ni_init_microcode(rdev);
2307			if (r) {
2308				DRM_ERROR("Failed to load firmware!\n");
2309				return r;
2310			}
2311		}
2312	}
2313
2314	/* Initialize power management */
2315	radeon_pm_init(rdev);
2316
2317	ring->ring_obj = NULL;
2318	r600_ring_init(rdev, ring, 1024 * 1024);
2319
2320	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2321	ring->ring_obj = NULL;
2322	r600_ring_init(rdev, ring, 64 * 1024);
2323
2324	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2325	ring->ring_obj = NULL;
2326	r600_ring_init(rdev, ring, 64 * 1024);
2327
2328	r = radeon_uvd_init(rdev);
2329	if (!r) {
2330		ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2331		ring->ring_obj = NULL;
2332		r600_ring_init(rdev, ring, 4096);
2333	}
2334
2335	if (rdev->family == CHIP_ARUBA) {
2336		r = radeon_vce_init(rdev);
2337		if (!r) {
2338			ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
2339			ring->ring_obj = NULL;
2340			r600_ring_init(rdev, ring, 4096);
2341
2342			ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
2343			ring->ring_obj = NULL;
2344			r600_ring_init(rdev, ring, 4096);
2345		}
2346	}
2347
2348	rdev->ih.ring_obj = NULL;
2349	r600_ih_ring_init(rdev, 64 * 1024);
2350
2351	r = r600_pcie_gart_init(rdev);
2352	if (r)
2353		return r;
2354
2355	rdev->accel_working = true;
2356	r = cayman_startup(rdev);
2357	if (r) {
2358		dev_err(rdev->dev, "disabling GPU acceleration\n");
2359		cayman_cp_fini(rdev);
2360		cayman_dma_fini(rdev);
2361		r600_irq_fini(rdev);
2362		if (rdev->flags & RADEON_IS_IGP)
2363			sumo_rlc_fini(rdev);
2364		radeon_wb_fini(rdev);
2365		radeon_ib_pool_fini(rdev);
2366		radeon_vm_manager_fini(rdev);
2367		radeon_irq_kms_fini(rdev);
2368		cayman_pcie_gart_fini(rdev);
2369		rdev->accel_working = false;
2370	}
2371
2372	/* Don't start up if the MC ucode is missing.
2373	 * The default clocks and voltages before the MC ucode
2374	 * is loaded are not suffient for advanced operations.
2375	 *
2376	 * We can skip this check for TN, because there is no MC
2377	 * ucode.
2378	 */
2379	if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
2380		DRM_ERROR("radeon: MC ucode required for NI+.\n");
2381		return -EINVAL;
2382	}
2383
2384	return 0;
2385}
2386
2387void cayman_fini(struct radeon_device *rdev)
2388{
2389	radeon_pm_fini(rdev);
2390	cayman_cp_fini(rdev);
2391	cayman_dma_fini(rdev);
2392	r600_irq_fini(rdev);
2393	if (rdev->flags & RADEON_IS_IGP)
2394		sumo_rlc_fini(rdev);
2395	radeon_wb_fini(rdev);
2396	radeon_vm_manager_fini(rdev);
2397	radeon_ib_pool_fini(rdev);
2398	radeon_irq_kms_fini(rdev);
2399	uvd_v1_0_fini(rdev);
2400	radeon_uvd_fini(rdev);
2401	if (rdev->family == CHIP_ARUBA)
2402		radeon_vce_fini(rdev);
2403	cayman_pcie_gart_fini(rdev);
2404	r600_vram_scratch_fini(rdev);
2405	radeon_gem_fini(rdev);
2406	radeon_fence_driver_fini(rdev);
2407	radeon_bo_fini(rdev);
2408	radeon_atombios_fini(rdev);
2409	kfree(rdev->bios);
2410	rdev->bios = NULL;
2411}
2412
2413/*
2414 * vm
2415 */
2416int cayman_vm_init(struct radeon_device *rdev)
2417{
2418	/* number of VMs */
2419	rdev->vm_manager.nvm = 8;
2420	/* base offset of vram pages */
2421	if (rdev->flags & RADEON_IS_IGP) {
2422		u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
2423		tmp <<= 22;
2424		rdev->vm_manager.vram_base_offset = tmp;
2425	} else
2426		rdev->vm_manager.vram_base_offset = 0;
2427	return 0;
2428}
2429
2430void cayman_vm_fini(struct radeon_device *rdev)
2431{
2432}
2433
2434/**
2435 * cayman_vm_decode_fault - print human readable fault info
2436 *
2437 * @rdev: radeon_device pointer
2438 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
2439 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
2440 *
2441 * Print human readable fault information (cayman/TN).
2442 */
2443void cayman_vm_decode_fault(struct radeon_device *rdev,
2444			    u32 status, u32 addr)
2445{
2446	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
2447	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
2448	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
2449	char *block;
2450
2451	switch (mc_id) {
2452	case 32:
2453	case 16:
2454	case 96:
2455	case 80:
2456	case 160:
2457	case 144:
2458	case 224:
2459	case 208:
2460		block = "CB";
2461		break;
2462	case 33:
2463	case 17:
2464	case 97:
2465	case 81:
2466	case 161:
2467	case 145:
2468	case 225:
2469	case 209:
2470		block = "CB_FMASK";
2471		break;
2472	case 34:
2473	case 18:
2474	case 98:
2475	case 82:
2476	case 162:
2477	case 146:
2478	case 226:
2479	case 210:
2480		block = "CB_CMASK";
2481		break;
2482	case 35:
2483	case 19:
2484	case 99:
2485	case 83:
2486	case 163:
2487	case 147:
2488	case 227:
2489	case 211:
2490		block = "CB_IMMED";
2491		break;
2492	case 36:
2493	case 20:
2494	case 100:
2495	case 84:
2496	case 164:
2497	case 148:
2498	case 228:
2499	case 212:
2500		block = "DB";
2501		break;
2502	case 37:
2503	case 21:
2504	case 101:
2505	case 85:
2506	case 165:
2507	case 149:
2508	case 229:
2509	case 213:
2510		block = "DB_HTILE";
2511		break;
2512	case 38:
2513	case 22:
2514	case 102:
2515	case 86:
2516	case 166:
2517	case 150:
2518	case 230:
2519	case 214:
2520		block = "SX";
2521		break;
2522	case 39:
2523	case 23:
2524	case 103:
2525	case 87:
2526	case 167:
2527	case 151:
2528	case 231:
2529	case 215:
2530		block = "DB_STEN";
2531		break;
2532	case 40:
2533	case 24:
2534	case 104:
2535	case 88:
2536	case 232:
2537	case 216:
2538	case 168:
2539	case 152:
2540		block = "TC_TFETCH";
2541		break;
2542	case 41:
2543	case 25:
2544	case 105:
2545	case 89:
2546	case 233:
2547	case 217:
2548	case 169:
2549	case 153:
2550		block = "TC_VFETCH";
2551		break;
2552	case 42:
2553	case 26:
2554	case 106:
2555	case 90:
2556	case 234:
2557	case 218:
2558	case 170:
2559	case 154:
2560		block = "VC";
2561		break;
2562	case 112:
2563		block = "CP";
2564		break;
2565	case 113:
2566	case 114:
2567		block = "SH";
2568		break;
2569	case 115:
2570		block = "VGT";
2571		break;
2572	case 178:
2573		block = "IH";
2574		break;
2575	case 51:
2576		block = "RLC";
2577		break;
2578	case 55:
2579		block = "DMA";
2580		break;
2581	case 56:
2582		block = "HDP";
2583		break;
2584	default:
2585		block = "unknown";
2586		break;
2587	}
2588
2589	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
2590	       protections, vmid, addr,
2591	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
2592	       block, mc_id);
2593}
2594
2595/**
2596 * cayman_vm_flush - vm flush using the CP
2597 *
2598 * @rdev: radeon_device pointer
2599 *
2600 * Update the page table base and flush the VM TLB
2601 * using the CP (cayman-si).
2602 */
2603void cayman_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
2604		     unsigned vm_id, uint64_t pd_addr)
2605{
2606	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm_id << 2), 0));
2607	radeon_ring_write(ring, pd_addr >> 12);
2608
2609	/* flush hdp cache */
2610	radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
2611	radeon_ring_write(ring, 0x1);
2612
2613	/* bits 0-7 are the VM contexts0-7 */
2614	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
2615	radeon_ring_write(ring, 1 << vm_id);
2616
2617	/* wait for the invalidate to complete */
2618	radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
2619	radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) |  /* always */
2620				 WAIT_REG_MEM_ENGINE(0))); /* me */
2621	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
2622	radeon_ring_write(ring, 0);
2623	radeon_ring_write(ring, 0); /* ref */
2624	radeon_ring_write(ring, 0); /* mask */
2625	radeon_ring_write(ring, 0x20); /* poll interval */
2626
2627	/* sync PFP to ME, otherwise we might get invalid PFP reads */
2628	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2629	radeon_ring_write(ring, 0x0);
2630}
2631
2632int tn_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk)
2633{
2634	struct atom_clock_dividers dividers;
2635	int r, i;
2636
2637	r = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
2638					   ecclk, false, &dividers);
2639	if (r)
2640		return r;
2641
2642	for (i = 0; i < 100; i++) {
2643		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2644			break;
2645		mdelay(10);
2646	}
2647	if (i == 100)
2648		return -ETIMEDOUT;
2649
2650	WREG32_P(CG_ECLK_CNTL, dividers.post_div, ~(ECLK_DIR_CNTL_EN|ECLK_DIVIDER_MASK));
2651
2652	for (i = 0; i < 100; i++) {
2653		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2654			break;
2655		mdelay(10);
2656	}
2657	if (i == 100)
2658		return -ETIMEDOUT;
2659
2660	return 0;
2661}
v6.9.4
   1/*
   2 * Copyright 2010 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 * Authors: Alex Deucher
  23 */
  24
  25#include <linux/firmware.h>
 
  26#include <linux/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->ddev);
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}