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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}
v4.17
   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		pr_err("ni_cp: Bogus length %zu in firmware \"%s\"\n",
 
 778		       rdev->pfp_fw->size, fw_name);
 779		err = -EINVAL;
 780		goto out;
 781	}
 782
 783	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
 784	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
 785	if (err)
 786		goto out;
 787	if (rdev->me_fw->size != me_req_size) {
 788		pr_err("ni_cp: Bogus length %zu in firmware \"%s\"\n",
 
 789		       rdev->me_fw->size, fw_name);
 790		err = -EINVAL;
 791	}
 792
 793	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
 794	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
 795	if (err)
 796		goto out;
 797	if (rdev->rlc_fw->size != rlc_req_size) {
 798		pr_err("ni_rlc: Bogus length %zu in firmware \"%s\"\n",
 
 799		       rdev->rlc_fw->size, fw_name);
 800		err = -EINVAL;
 801	}
 802
 803	/* no MC ucode on TN */
 804	if (!(rdev->flags & RADEON_IS_IGP)) {
 805		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
 806		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
 807		if (err)
 808			goto out;
 809		if (rdev->mc_fw->size != mc_req_size) {
 810			pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n",
 
 811			       rdev->mc_fw->size, fw_name);
 812			err = -EINVAL;
 813		}
 814	}
 815
 816	if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
 817		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
 818		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
 819		if (err) {
 820			pr_err("smc: error loading firmware \"%s\"\n", fw_name);
 
 
 821			release_firmware(rdev->smc_fw);
 822			rdev->smc_fw = NULL;
 823			err = 0;
 824		} else if (rdev->smc_fw->size != smc_req_size) {
 825			pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n",
 
 826			       rdev->mc_fw->size, fw_name);
 827			err = -EINVAL;
 828		}
 829	}
 830
 831out:
 832	if (err) {
 833		if (err != -EINVAL)
 834			pr_err("ni_cp: Failed to load firmware \"%s\"\n",
 
 835			       fw_name);
 836		release_firmware(rdev->pfp_fw);
 837		rdev->pfp_fw = NULL;
 838		release_firmware(rdev->me_fw);
 839		rdev->me_fw = NULL;
 840		release_firmware(rdev->rlc_fw);
 841		rdev->rlc_fw = NULL;
 842		release_firmware(rdev->mc_fw);
 843		rdev->mc_fw = NULL;
 844	}
 845	return err;
 846}
 847
 848/**
 849 * cayman_get_allowed_info_register - fetch the register for the info ioctl
 850 *
 851 * @rdev: radeon_device pointer
 852 * @reg: register offset in bytes
 853 * @val: register value
 854 *
 855 * Returns 0 for success or -EINVAL for an invalid register
 856 *
 857 */
 858int cayman_get_allowed_info_register(struct radeon_device *rdev,
 859				     u32 reg, u32 *val)
 860{
 861	switch (reg) {
 862	case GRBM_STATUS:
 863	case GRBM_STATUS_SE0:
 864	case GRBM_STATUS_SE1:
 865	case SRBM_STATUS:
 866	case SRBM_STATUS2:
 867	case (DMA_STATUS_REG + DMA0_REGISTER_OFFSET):
 868	case (DMA_STATUS_REG + DMA1_REGISTER_OFFSET):
 869	case UVD_STATUS:
 870		*val = RREG32(reg);
 871		return 0;
 872	default:
 873		return -EINVAL;
 874	}
 875}
 876
 877int tn_get_temp(struct radeon_device *rdev)
 878{
 879	u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff;
 880	int actual_temp = (temp / 8) - 49;
 881
 882	return actual_temp * 1000;
 883}
 884
 885/*
 886 * Core functions
 887 */
 888static void cayman_gpu_init(struct radeon_device *rdev)
 889{
 890	u32 gb_addr_config = 0;
 891	u32 mc_shared_chmap, mc_arb_ramcfg;
 892	u32 cgts_tcc_disable;
 893	u32 sx_debug_1;
 894	u32 smx_dc_ctl0;
 895	u32 cgts_sm_ctrl_reg;
 896	u32 hdp_host_path_cntl;
 897	u32 tmp;
 898	u32 disabled_rb_mask;
 899	int i, j;
 900
 901	switch (rdev->family) {
 902	case CHIP_CAYMAN:
 903		rdev->config.cayman.max_shader_engines = 2;
 904		rdev->config.cayman.max_pipes_per_simd = 4;
 905		rdev->config.cayman.max_tile_pipes = 8;
 906		rdev->config.cayman.max_simds_per_se = 12;
 907		rdev->config.cayman.max_backends_per_se = 4;
 908		rdev->config.cayman.max_texture_channel_caches = 8;
 909		rdev->config.cayman.max_gprs = 256;
 910		rdev->config.cayman.max_threads = 256;
 911		rdev->config.cayman.max_gs_threads = 32;
 912		rdev->config.cayman.max_stack_entries = 512;
 913		rdev->config.cayman.sx_num_of_sets = 8;
 914		rdev->config.cayman.sx_max_export_size = 256;
 915		rdev->config.cayman.sx_max_export_pos_size = 64;
 916		rdev->config.cayman.sx_max_export_smx_size = 192;
 917		rdev->config.cayman.max_hw_contexts = 8;
 918		rdev->config.cayman.sq_num_cf_insts = 2;
 919
 920		rdev->config.cayman.sc_prim_fifo_size = 0x100;
 921		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
 922		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
 923		gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN;
 924		break;
 925	case CHIP_ARUBA:
 926	default:
 927		rdev->config.cayman.max_shader_engines = 1;
 928		rdev->config.cayman.max_pipes_per_simd = 4;
 929		rdev->config.cayman.max_tile_pipes = 2;
 930		if ((rdev->pdev->device == 0x9900) ||
 931		    (rdev->pdev->device == 0x9901) ||
 932		    (rdev->pdev->device == 0x9905) ||
 933		    (rdev->pdev->device == 0x9906) ||
 934		    (rdev->pdev->device == 0x9907) ||
 935		    (rdev->pdev->device == 0x9908) ||
 936		    (rdev->pdev->device == 0x9909) ||
 937		    (rdev->pdev->device == 0x990B) ||
 938		    (rdev->pdev->device == 0x990C) ||
 939		    (rdev->pdev->device == 0x990F) ||
 940		    (rdev->pdev->device == 0x9910) ||
 941		    (rdev->pdev->device == 0x9917) ||
 942		    (rdev->pdev->device == 0x9999) ||
 943		    (rdev->pdev->device == 0x999C)) {
 944			rdev->config.cayman.max_simds_per_se = 6;
 945			rdev->config.cayman.max_backends_per_se = 2;
 946			rdev->config.cayman.max_hw_contexts = 8;
 947			rdev->config.cayman.sx_max_export_size = 256;
 948			rdev->config.cayman.sx_max_export_pos_size = 64;
 949			rdev->config.cayman.sx_max_export_smx_size = 192;
 950		} else if ((rdev->pdev->device == 0x9903) ||
 951			   (rdev->pdev->device == 0x9904) ||
 952			   (rdev->pdev->device == 0x990A) ||
 953			   (rdev->pdev->device == 0x990D) ||
 954			   (rdev->pdev->device == 0x990E) ||
 955			   (rdev->pdev->device == 0x9913) ||
 956			   (rdev->pdev->device == 0x9918) ||
 957			   (rdev->pdev->device == 0x999D)) {
 958			rdev->config.cayman.max_simds_per_se = 4;
 959			rdev->config.cayman.max_backends_per_se = 2;
 960			rdev->config.cayman.max_hw_contexts = 8;
 961			rdev->config.cayman.sx_max_export_size = 256;
 962			rdev->config.cayman.sx_max_export_pos_size = 64;
 963			rdev->config.cayman.sx_max_export_smx_size = 192;
 964		} else if ((rdev->pdev->device == 0x9919) ||
 965			   (rdev->pdev->device == 0x9990) ||
 966			   (rdev->pdev->device == 0x9991) ||
 967			   (rdev->pdev->device == 0x9994) ||
 968			   (rdev->pdev->device == 0x9995) ||
 969			   (rdev->pdev->device == 0x9996) ||
 970			   (rdev->pdev->device == 0x999A) ||
 971			   (rdev->pdev->device == 0x99A0)) {
 972			rdev->config.cayman.max_simds_per_se = 3;
 973			rdev->config.cayman.max_backends_per_se = 1;
 974			rdev->config.cayman.max_hw_contexts = 4;
 975			rdev->config.cayman.sx_max_export_size = 128;
 976			rdev->config.cayman.sx_max_export_pos_size = 32;
 977			rdev->config.cayman.sx_max_export_smx_size = 96;
 978		} else {
 979			rdev->config.cayman.max_simds_per_se = 2;
 980			rdev->config.cayman.max_backends_per_se = 1;
 981			rdev->config.cayman.max_hw_contexts = 4;
 982			rdev->config.cayman.sx_max_export_size = 128;
 983			rdev->config.cayman.sx_max_export_pos_size = 32;
 984			rdev->config.cayman.sx_max_export_smx_size = 96;
 985		}
 986		rdev->config.cayman.max_texture_channel_caches = 2;
 987		rdev->config.cayman.max_gprs = 256;
 988		rdev->config.cayman.max_threads = 256;
 989		rdev->config.cayman.max_gs_threads = 32;
 990		rdev->config.cayman.max_stack_entries = 512;
 991		rdev->config.cayman.sx_num_of_sets = 8;
 992		rdev->config.cayman.sq_num_cf_insts = 2;
 993
 994		rdev->config.cayman.sc_prim_fifo_size = 0x40;
 995		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
 996		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
 997		gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN;
 998		break;
 999	}
1000
1001	/* Initialize HDP */
1002	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1003		WREG32((0x2c14 + j), 0x00000000);
1004		WREG32((0x2c18 + j), 0x00000000);
1005		WREG32((0x2c1c + j), 0x00000000);
1006		WREG32((0x2c20 + j), 0x00000000);
1007		WREG32((0x2c24 + j), 0x00000000);
1008	}
1009
1010	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1011	WREG32(SRBM_INT_CNTL, 0x1);
1012	WREG32(SRBM_INT_ACK, 0x1);
1013
1014	evergreen_fix_pci_max_read_req_size(rdev);
1015
1016	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
1017	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1018
1019	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
1020	rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
1021	if (rdev->config.cayman.mem_row_size_in_kb > 4)
1022		rdev->config.cayman.mem_row_size_in_kb = 4;
1023	/* XXX use MC settings? */
1024	rdev->config.cayman.shader_engine_tile_size = 32;
1025	rdev->config.cayman.num_gpus = 1;
1026	rdev->config.cayman.multi_gpu_tile_size = 64;
1027
1028	tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
1029	rdev->config.cayman.num_tile_pipes = (1 << tmp);
1030	tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
1031	rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
1032	tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
1033	rdev->config.cayman.num_shader_engines = tmp + 1;
1034	tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
1035	rdev->config.cayman.num_gpus = tmp + 1;
1036	tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
1037	rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
1038	tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
1039	rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
1040
1041
1042	/* setup tiling info dword.  gb_addr_config is not adequate since it does
1043	 * not have bank info, so create a custom tiling dword.
1044	 * bits 3:0   num_pipes
1045	 * bits 7:4   num_banks
1046	 * bits 11:8  group_size
1047	 * bits 15:12 row_size
1048	 */
1049	rdev->config.cayman.tile_config = 0;
1050	switch (rdev->config.cayman.num_tile_pipes) {
1051	case 1:
1052	default:
1053		rdev->config.cayman.tile_config |= (0 << 0);
1054		break;
1055	case 2:
1056		rdev->config.cayman.tile_config |= (1 << 0);
1057		break;
1058	case 4:
1059		rdev->config.cayman.tile_config |= (2 << 0);
1060		break;
1061	case 8:
1062		rdev->config.cayman.tile_config |= (3 << 0);
1063		break;
1064	}
1065
1066	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
1067	if (rdev->flags & RADEON_IS_IGP)
1068		rdev->config.cayman.tile_config |= 1 << 4;
1069	else {
1070		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
1071		case 0: /* four banks */
1072			rdev->config.cayman.tile_config |= 0 << 4;
1073			break;
1074		case 1: /* eight banks */
1075			rdev->config.cayman.tile_config |= 1 << 4;
1076			break;
1077		case 2: /* sixteen banks */
1078		default:
1079			rdev->config.cayman.tile_config |= 2 << 4;
1080			break;
1081		}
1082	}
1083	rdev->config.cayman.tile_config |=
1084		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
1085	rdev->config.cayman.tile_config |=
1086		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
1087
1088	tmp = 0;
1089	for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
1090		u32 rb_disable_bitmap;
1091
1092		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1093		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1094		rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
1095		tmp <<= 4;
1096		tmp |= rb_disable_bitmap;
1097	}
1098	/* enabled rb are just the one not disabled :) */
1099	disabled_rb_mask = tmp;
1100	tmp = 0;
1101	for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1102		tmp |= (1 << i);
1103	/* if all the backends are disabled, fix it up here */
1104	if ((disabled_rb_mask & tmp) == tmp) {
1105		for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1106			disabled_rb_mask &= ~(1 << i);
1107	}
1108
1109	for (i = 0; i < rdev->config.cayman.max_shader_engines; i++) {
1110		u32 simd_disable_bitmap;
1111
1112		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1113		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1114		simd_disable_bitmap = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
1115		simd_disable_bitmap |= 0xffffffff << rdev->config.cayman.max_simds_per_se;
1116		tmp <<= 16;
1117		tmp |= simd_disable_bitmap;
1118	}
1119	rdev->config.cayman.active_simds = hweight32(~tmp);
1120
1121	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1122	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1123
1124	WREG32(GB_ADDR_CONFIG, gb_addr_config);
1125	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1126	if (ASIC_IS_DCE6(rdev))
1127		WREG32(DMIF_ADDR_CALC, gb_addr_config);
1128	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1129	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
1130	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
1131	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
1132	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
1133	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
1134
1135	if ((rdev->config.cayman.max_backends_per_se == 1) &&
1136	    (rdev->flags & RADEON_IS_IGP)) {
1137		if ((disabled_rb_mask & 3) == 2) {
1138			/* RB1 disabled, RB0 enabled */
1139			tmp = 0x00000000;
1140		} else {
1141			/* RB0 disabled, RB1 enabled */
1142			tmp = 0x11111111;
1143		}
1144	} else {
1145		tmp = gb_addr_config & NUM_PIPES_MASK;
1146		tmp = r6xx_remap_render_backend(rdev, tmp,
1147						rdev->config.cayman.max_backends_per_se *
1148						rdev->config.cayman.max_shader_engines,
1149						CAYMAN_MAX_BACKENDS, disabled_rb_mask);
1150	}
1151	rdev->config.cayman.backend_map = tmp;
1152	WREG32(GB_BACKEND_MAP, tmp);
1153
1154	cgts_tcc_disable = 0xffff0000;
1155	for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
1156		cgts_tcc_disable &= ~(1 << (16 + i));
1157	WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
1158	WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
1159	WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
1160	WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
1161
1162	/* reprogram the shader complex */
1163	cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
1164	for (i = 0; i < 16; i++)
1165		WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
1166	WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
1167
1168	/* set HW defaults for 3D engine */
1169	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
1170
1171	sx_debug_1 = RREG32(SX_DEBUG_1);
1172	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1173	WREG32(SX_DEBUG_1, sx_debug_1);
1174
1175	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1176	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1177	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
1178	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1179
1180	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
1181
1182	/* need to be explicitly zero-ed */
1183	WREG32(VGT_OFFCHIP_LDS_BASE, 0);
1184	WREG32(SQ_LSTMP_RING_BASE, 0);
1185	WREG32(SQ_HSTMP_RING_BASE, 0);
1186	WREG32(SQ_ESTMP_RING_BASE, 0);
1187	WREG32(SQ_GSTMP_RING_BASE, 0);
1188	WREG32(SQ_VSTMP_RING_BASE, 0);
1189	WREG32(SQ_PSTMP_RING_BASE, 0);
1190
1191	WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
1192
1193	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
1194					POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
1195					SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
1196
1197	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
1198				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
1199				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
1200
1201
1202	WREG32(VGT_NUM_INSTANCES, 1);
1203
1204	WREG32(CP_PERFMON_CNTL, 0);
1205
1206	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
1207				  FETCH_FIFO_HIWATER(0x4) |
1208				  DONE_FIFO_HIWATER(0xe0) |
1209				  ALU_UPDATE_FIFO_HIWATER(0x8)));
1210
1211	WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
1212	WREG32(SQ_CONFIG, (VC_ENABLE |
1213			   EXPORT_SRC_C |
1214			   GFX_PRIO(0) |
1215			   CS1_PRIO(0) |
1216			   CS2_PRIO(1)));
1217	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
1218
1219	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1220					  FORCE_EOV_MAX_REZ_CNT(255)));
1221
1222	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
1223	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
1224
1225	WREG32(VGT_GS_VERTEX_REUSE, 16);
1226	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1227
1228	WREG32(CB_PERF_CTR0_SEL_0, 0);
1229	WREG32(CB_PERF_CTR0_SEL_1, 0);
1230	WREG32(CB_PERF_CTR1_SEL_0, 0);
1231	WREG32(CB_PERF_CTR1_SEL_1, 0);
1232	WREG32(CB_PERF_CTR2_SEL_0, 0);
1233	WREG32(CB_PERF_CTR2_SEL_1, 0);
1234	WREG32(CB_PERF_CTR3_SEL_0, 0);
1235	WREG32(CB_PERF_CTR3_SEL_1, 0);
1236
1237	tmp = RREG32(HDP_MISC_CNTL);
1238	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
1239	WREG32(HDP_MISC_CNTL, tmp);
1240
1241	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1242	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1243
1244	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1245
1246	udelay(50);
1247
1248	/* set clockgating golden values on TN */
1249	if (rdev->family == CHIP_ARUBA) {
1250		tmp = RREG32_CG(CG_CGTT_LOCAL_0);
1251		tmp &= ~0x00380000;
1252		WREG32_CG(CG_CGTT_LOCAL_0, tmp);
1253		tmp = RREG32_CG(CG_CGTT_LOCAL_1);
1254		tmp &= ~0x0e000000;
1255		WREG32_CG(CG_CGTT_LOCAL_1, tmp);
1256	}
1257}
1258
1259/*
1260 * GART
1261 */
1262void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
1263{
1264	/* flush hdp cache */
1265	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1266
1267	/* bits 0-7 are the VM contexts0-7 */
1268	WREG32(VM_INVALIDATE_REQUEST, 1);
1269}
1270
1271static int cayman_pcie_gart_enable(struct radeon_device *rdev)
1272{
1273	int i, r;
1274
1275	if (rdev->gart.robj == NULL) {
1276		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1277		return -EINVAL;
1278	}
1279	r = radeon_gart_table_vram_pin(rdev);
1280	if (r)
1281		return r;
1282	/* Setup TLB control */
1283	WREG32(MC_VM_MX_L1_TLB_CNTL,
1284	       (0xA << 7) |
1285	       ENABLE_L1_TLB |
1286	       ENABLE_L1_FRAGMENT_PROCESSING |
1287	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1288	       ENABLE_ADVANCED_DRIVER_MODEL |
1289	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1290	/* Setup L2 cache */
1291	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
1292	       ENABLE_L2_FRAGMENT_PROCESSING |
1293	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1294	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1295	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1296	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1297	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
1298	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1299	       BANK_SELECT(6) |
1300	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1301	/* setup context0 */
1302	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1303	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1304	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1305	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1306			(u32)(rdev->dummy_page.addr >> 12));
1307	WREG32(VM_CONTEXT0_CNTL2, 0);
1308	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1309				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1310
1311	WREG32(0x15D4, 0);
1312	WREG32(0x15D8, 0);
1313	WREG32(0x15DC, 0);
1314
1315	/* empty context1-7 */
1316	/* Assign the pt base to something valid for now; the pts used for
1317	 * the VMs are determined by the application and setup and assigned
1318	 * on the fly in the vm part of radeon_gart.c
1319	 */
1320	for (i = 1; i < 8; i++) {
1321		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
1322		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2),
1323			rdev->vm_manager.max_pfn - 1);
1324		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
1325		       rdev->vm_manager.saved_table_addr[i]);
1326	}
1327
1328	/* enable context1-7 */
1329	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
1330	       (u32)(rdev->dummy_page.addr >> 12));
1331	WREG32(VM_CONTEXT1_CNTL2, 4);
1332	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
1333				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
1334				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1335				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1336				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1337				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1338				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
1339				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
1340				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
1341				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
1342				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
1343				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
1344				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1345				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
1346
1347	cayman_pcie_gart_tlb_flush(rdev);
1348	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1349		 (unsigned)(rdev->mc.gtt_size >> 20),
1350		 (unsigned long long)rdev->gart.table_addr);
1351	rdev->gart.ready = true;
1352	return 0;
1353}
1354
1355static void cayman_pcie_gart_disable(struct radeon_device *rdev)
1356{
1357	unsigned i;
1358
1359	for (i = 1; i < 8; ++i) {
1360		rdev->vm_manager.saved_table_addr[i] = RREG32(
1361			VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2));
1362	}
1363
1364	/* Disable all tables */
1365	WREG32(VM_CONTEXT0_CNTL, 0);
1366	WREG32(VM_CONTEXT1_CNTL, 0);
1367	/* Setup TLB control */
1368	WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1369	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1370	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1371	/* Setup L2 cache */
1372	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1373	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1374	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1375	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1376	WREG32(VM_L2_CNTL2, 0);
1377	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1378	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1379	radeon_gart_table_vram_unpin(rdev);
1380}
1381
1382static void cayman_pcie_gart_fini(struct radeon_device *rdev)
1383{
1384	cayman_pcie_gart_disable(rdev);
1385	radeon_gart_table_vram_free(rdev);
1386	radeon_gart_fini(rdev);
1387}
1388
1389void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
1390			      int ring, u32 cp_int_cntl)
1391{
1392	WREG32(SRBM_GFX_CNTL, RINGID(ring));
 
 
1393	WREG32(CP_INT_CNTL, cp_int_cntl);
1394}
1395
1396/*
1397 * CP.
1398 */
1399void cayman_fence_ring_emit(struct radeon_device *rdev,
1400			    struct radeon_fence *fence)
1401{
1402	struct radeon_ring *ring = &rdev->ring[fence->ring];
1403	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
1404	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1405		PACKET3_SH_ACTION_ENA;
1406
1407	/* flush read cache over gart for this vmid */
1408	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1409	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1410	radeon_ring_write(ring, 0xFFFFFFFF);
1411	radeon_ring_write(ring, 0);
1412	radeon_ring_write(ring, 10); /* poll interval */
1413	/* EVENT_WRITE_EOP - flush caches, send int */
1414	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1415	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1416	radeon_ring_write(ring, lower_32_bits(addr));
1417	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1418	radeon_ring_write(ring, fence->seq);
1419	radeon_ring_write(ring, 0);
1420}
1421
1422void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1423{
1424	struct radeon_ring *ring = &rdev->ring[ib->ring];
1425	unsigned vm_id = ib->vm ? ib->vm->ids[ib->ring].id : 0;
1426	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1427		PACKET3_SH_ACTION_ENA;
1428
1429	/* set to DX10/11 mode */
1430	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1431	radeon_ring_write(ring, 1);
1432
1433	if (ring->rptr_save_reg) {
1434		uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
1435		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1436		radeon_ring_write(ring, ((ring->rptr_save_reg - 
1437					  PACKET3_SET_CONFIG_REG_START) >> 2));
1438		radeon_ring_write(ring, next_rptr);
1439	}
1440
1441	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1442	radeon_ring_write(ring,
1443#ifdef __BIG_ENDIAN
1444			  (2 << 0) |
1445#endif
1446			  (ib->gpu_addr & 0xFFFFFFFC));
1447	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1448	radeon_ring_write(ring, ib->length_dw | (vm_id << 24));
1449
1450	/* flush read cache over gart for this vmid */
1451	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1452	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1453	radeon_ring_write(ring, 0xFFFFFFFF);
1454	radeon_ring_write(ring, 0);
1455	radeon_ring_write(ring, (vm_id << 24) | 10); /* poll interval */
1456}
1457
1458static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1459{
1460	if (enable)
1461		WREG32(CP_ME_CNTL, 0);
1462	else {
1463		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1464			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1465		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1466		WREG32(SCRATCH_UMSK, 0);
1467		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1468	}
1469}
1470
1471u32 cayman_gfx_get_rptr(struct radeon_device *rdev,
1472			struct radeon_ring *ring)
1473{
1474	u32 rptr;
1475
1476	if (rdev->wb.enabled)
1477		rptr = rdev->wb.wb[ring->rptr_offs/4];
1478	else {
1479		if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1480			rptr = RREG32(CP_RB0_RPTR);
1481		else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1482			rptr = RREG32(CP_RB1_RPTR);
1483		else
1484			rptr = RREG32(CP_RB2_RPTR);
1485	}
1486
1487	return rptr;
1488}
1489
1490u32 cayman_gfx_get_wptr(struct radeon_device *rdev,
1491			struct radeon_ring *ring)
1492{
1493	u32 wptr;
1494
1495	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1496		wptr = RREG32(CP_RB0_WPTR);
1497	else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1498		wptr = RREG32(CP_RB1_WPTR);
1499	else
1500		wptr = RREG32(CP_RB2_WPTR);
1501
1502	return wptr;
1503}
1504
1505void cayman_gfx_set_wptr(struct radeon_device *rdev,
1506			 struct radeon_ring *ring)
1507{
1508	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) {
1509		WREG32(CP_RB0_WPTR, ring->wptr);
1510		(void)RREG32(CP_RB0_WPTR);
1511	} else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) {
1512		WREG32(CP_RB1_WPTR, ring->wptr);
1513		(void)RREG32(CP_RB1_WPTR);
1514	} else {
1515		WREG32(CP_RB2_WPTR, ring->wptr);
1516		(void)RREG32(CP_RB2_WPTR);
1517	}
1518}
1519
1520static int cayman_cp_load_microcode(struct radeon_device *rdev)
1521{
1522	const __be32 *fw_data;
1523	int i;
1524
1525	if (!rdev->me_fw || !rdev->pfp_fw)
1526		return -EINVAL;
1527
1528	cayman_cp_enable(rdev, false);
1529
1530	fw_data = (const __be32 *)rdev->pfp_fw->data;
1531	WREG32(CP_PFP_UCODE_ADDR, 0);
1532	for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1533		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1534	WREG32(CP_PFP_UCODE_ADDR, 0);
1535
1536	fw_data = (const __be32 *)rdev->me_fw->data;
1537	WREG32(CP_ME_RAM_WADDR, 0);
1538	for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1539		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1540
1541	WREG32(CP_PFP_UCODE_ADDR, 0);
1542	WREG32(CP_ME_RAM_WADDR, 0);
1543	WREG32(CP_ME_RAM_RADDR, 0);
1544	return 0;
1545}
1546
1547static int cayman_cp_start(struct radeon_device *rdev)
1548{
1549	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1550	int r, i;
1551
1552	r = radeon_ring_lock(rdev, ring, 7);
1553	if (r) {
1554		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1555		return r;
1556	}
1557	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1558	radeon_ring_write(ring, 0x1);
1559	radeon_ring_write(ring, 0x0);
1560	radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
1561	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1562	radeon_ring_write(ring, 0);
1563	radeon_ring_write(ring, 0);
1564	radeon_ring_unlock_commit(rdev, ring, false);
1565
1566	cayman_cp_enable(rdev, true);
1567
1568	r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
1569	if (r) {
1570		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1571		return r;
1572	}
1573
1574	/* setup clear context state */
1575	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1576	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1577
1578	for (i = 0; i < cayman_default_size; i++)
1579		radeon_ring_write(ring, cayman_default_state[i]);
1580
1581	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1582	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1583
1584	/* set clear context state */
1585	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1586	radeon_ring_write(ring, 0);
1587
1588	/* SQ_VTX_BASE_VTX_LOC */
1589	radeon_ring_write(ring, 0xc0026f00);
1590	radeon_ring_write(ring, 0x00000000);
1591	radeon_ring_write(ring, 0x00000000);
1592	radeon_ring_write(ring, 0x00000000);
1593
1594	/* Clear consts */
1595	radeon_ring_write(ring, 0xc0036f00);
1596	radeon_ring_write(ring, 0x00000bc4);
1597	radeon_ring_write(ring, 0xffffffff);
1598	radeon_ring_write(ring, 0xffffffff);
1599	radeon_ring_write(ring, 0xffffffff);
1600
1601	radeon_ring_write(ring, 0xc0026900);
1602	radeon_ring_write(ring, 0x00000316);
1603	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1604	radeon_ring_write(ring, 0x00000010); /*  */
1605
1606	radeon_ring_unlock_commit(rdev, ring, false);
1607
1608	/* XXX init other rings */
1609
1610	return 0;
1611}
1612
1613static void cayman_cp_fini(struct radeon_device *rdev)
1614{
1615	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1616	cayman_cp_enable(rdev, false);
1617	radeon_ring_fini(rdev, ring);
1618	radeon_scratch_free(rdev, ring->rptr_save_reg);
1619}
1620
1621static int cayman_cp_resume(struct radeon_device *rdev)
1622{
1623	static const int ridx[] = {
1624		RADEON_RING_TYPE_GFX_INDEX,
1625		CAYMAN_RING_TYPE_CP1_INDEX,
1626		CAYMAN_RING_TYPE_CP2_INDEX
1627	};
1628	static const unsigned cp_rb_cntl[] = {
1629		CP_RB0_CNTL,
1630		CP_RB1_CNTL,
1631		CP_RB2_CNTL,
1632	};
1633	static const unsigned cp_rb_rptr_addr[] = {
1634		CP_RB0_RPTR_ADDR,
1635		CP_RB1_RPTR_ADDR,
1636		CP_RB2_RPTR_ADDR
1637	};
1638	static const unsigned cp_rb_rptr_addr_hi[] = {
1639		CP_RB0_RPTR_ADDR_HI,
1640		CP_RB1_RPTR_ADDR_HI,
1641		CP_RB2_RPTR_ADDR_HI
1642	};
1643	static const unsigned cp_rb_base[] = {
1644		CP_RB0_BASE,
1645		CP_RB1_BASE,
1646		CP_RB2_BASE
1647	};
1648	static const unsigned cp_rb_rptr[] = {
1649		CP_RB0_RPTR,
1650		CP_RB1_RPTR,
1651		CP_RB2_RPTR
1652	};
1653	static const unsigned cp_rb_wptr[] = {
1654		CP_RB0_WPTR,
1655		CP_RB1_WPTR,
1656		CP_RB2_WPTR
1657	};
1658	struct radeon_ring *ring;
1659	int i, r;
1660
1661	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1662	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1663				 SOFT_RESET_PA |
1664				 SOFT_RESET_SH |
1665				 SOFT_RESET_VGT |
1666				 SOFT_RESET_SPI |
1667				 SOFT_RESET_SX));
1668	RREG32(GRBM_SOFT_RESET);
1669	mdelay(15);
1670	WREG32(GRBM_SOFT_RESET, 0);
1671	RREG32(GRBM_SOFT_RESET);
1672
1673	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1674	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1675
1676	/* Set the write pointer delay */
1677	WREG32(CP_RB_WPTR_DELAY, 0);
1678
1679	WREG32(CP_DEBUG, (1 << 27));
1680
1681	/* set the wb address whether it's enabled or not */
1682	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1683	WREG32(SCRATCH_UMSK, 0xff);
1684
1685	for (i = 0; i < 3; ++i) {
1686		uint32_t rb_cntl;
1687		uint64_t addr;
1688
1689		/* Set ring buffer size */
1690		ring = &rdev->ring[ridx[i]];
1691		rb_cntl = order_base_2(ring->ring_size / 8);
1692		rb_cntl |= order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8;
1693#ifdef __BIG_ENDIAN
1694		rb_cntl |= BUF_SWAP_32BIT;
1695#endif
1696		WREG32(cp_rb_cntl[i], rb_cntl);
1697
1698		/* set the wb address whether it's enabled or not */
1699		addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1700		WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1701		WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1702	}
1703
1704	/* set the rb base addr, this causes an internal reset of ALL rings */
1705	for (i = 0; i < 3; ++i) {
1706		ring = &rdev->ring[ridx[i]];
1707		WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1708	}
1709
1710	for (i = 0; i < 3; ++i) {
1711		/* Initialize the ring buffer's read and write pointers */
1712		ring = &rdev->ring[ridx[i]];
1713		WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1714
1715		ring->wptr = 0;
1716		WREG32(cp_rb_rptr[i], 0);
1717		WREG32(cp_rb_wptr[i], ring->wptr);
1718
1719		mdelay(1);
1720		WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1721	}
1722
1723	/* start the rings */
1724	cayman_cp_start(rdev);
1725	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1726	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1727	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1728	/* this only test cp0 */
1729	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1730	if (r) {
1731		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1732		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1733		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1734		return r;
1735	}
1736
1737	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1738		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1739
1740	return 0;
1741}
1742
1743u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
1744{
1745	u32 reset_mask = 0;
1746	u32 tmp;
1747
1748	/* GRBM_STATUS */
1749	tmp = RREG32(GRBM_STATUS);
1750	if (tmp & (PA_BUSY | SC_BUSY |
1751		   SH_BUSY | SX_BUSY |
1752		   TA_BUSY | VGT_BUSY |
1753		   DB_BUSY | CB_BUSY |
1754		   GDS_BUSY | SPI_BUSY |
1755		   IA_BUSY | IA_BUSY_NO_DMA))
1756		reset_mask |= RADEON_RESET_GFX;
1757
1758	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
1759		   CP_BUSY | CP_COHERENCY_BUSY))
1760		reset_mask |= RADEON_RESET_CP;
1761
1762	if (tmp & GRBM_EE_BUSY)
1763		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1764
1765	/* DMA_STATUS_REG 0 */
1766	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
1767	if (!(tmp & DMA_IDLE))
1768		reset_mask |= RADEON_RESET_DMA;
1769
1770	/* DMA_STATUS_REG 1 */
1771	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
1772	if (!(tmp & DMA_IDLE))
1773		reset_mask |= RADEON_RESET_DMA1;
1774
1775	/* SRBM_STATUS2 */
1776	tmp = RREG32(SRBM_STATUS2);
1777	if (tmp & DMA_BUSY)
1778		reset_mask |= RADEON_RESET_DMA;
1779
1780	if (tmp & DMA1_BUSY)
1781		reset_mask |= RADEON_RESET_DMA1;
1782
1783	/* SRBM_STATUS */
1784	tmp = RREG32(SRBM_STATUS);
1785	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
1786		reset_mask |= RADEON_RESET_RLC;
1787
1788	if (tmp & IH_BUSY)
1789		reset_mask |= RADEON_RESET_IH;
1790
1791	if (tmp & SEM_BUSY)
1792		reset_mask |= RADEON_RESET_SEM;
1793
1794	if (tmp & GRBM_RQ_PENDING)
1795		reset_mask |= RADEON_RESET_GRBM;
1796
1797	if (tmp & VMC_BUSY)
1798		reset_mask |= RADEON_RESET_VMC;
1799
1800	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
1801		   MCC_BUSY | MCD_BUSY))
1802		reset_mask |= RADEON_RESET_MC;
1803
1804	if (evergreen_is_display_hung(rdev))
1805		reset_mask |= RADEON_RESET_DISPLAY;
1806
1807	/* VM_L2_STATUS */
1808	tmp = RREG32(VM_L2_STATUS);
1809	if (tmp & L2_BUSY)
1810		reset_mask |= RADEON_RESET_VMC;
1811
1812	/* Skip MC reset as it's mostly likely not hung, just busy */
1813	if (reset_mask & RADEON_RESET_MC) {
1814		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1815		reset_mask &= ~RADEON_RESET_MC;
1816	}
1817
1818	return reset_mask;
1819}
1820
1821static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1822{
1823	struct evergreen_mc_save save;
1824	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1825	u32 tmp;
1826
1827	if (reset_mask == 0)
1828		return;
1829
1830	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1831
1832	evergreen_print_gpu_status_regs(rdev);
1833	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1834		 RREG32(0x14F8));
1835	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1836		 RREG32(0x14D8));
1837	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1838		 RREG32(0x14FC));
1839	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1840		 RREG32(0x14DC));
1841
1842	/* Disable CP parsing/prefetching */
1843	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1844
1845	if (reset_mask & RADEON_RESET_DMA) {
1846		/* dma0 */
1847		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1848		tmp &= ~DMA_RB_ENABLE;
1849		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
1850	}
1851
1852	if (reset_mask & RADEON_RESET_DMA1) {
1853		/* dma1 */
1854		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1855		tmp &= ~DMA_RB_ENABLE;
1856		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
1857	}
1858
1859	udelay(50);
1860
1861	evergreen_mc_stop(rdev, &save);
1862	if (evergreen_mc_wait_for_idle(rdev)) {
1863		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1864	}
1865
1866	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1867		grbm_soft_reset = SOFT_RESET_CB |
1868			SOFT_RESET_DB |
1869			SOFT_RESET_GDS |
1870			SOFT_RESET_PA |
1871			SOFT_RESET_SC |
1872			SOFT_RESET_SPI |
1873			SOFT_RESET_SH |
1874			SOFT_RESET_SX |
1875			SOFT_RESET_TC |
1876			SOFT_RESET_TA |
1877			SOFT_RESET_VGT |
1878			SOFT_RESET_IA;
1879	}
1880
1881	if (reset_mask & RADEON_RESET_CP) {
1882		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
1883
1884		srbm_soft_reset |= SOFT_RESET_GRBM;
1885	}
1886
1887	if (reset_mask & RADEON_RESET_DMA)
1888		srbm_soft_reset |= SOFT_RESET_DMA;
1889
1890	if (reset_mask & RADEON_RESET_DMA1)
1891		srbm_soft_reset |= SOFT_RESET_DMA1;
1892
1893	if (reset_mask & RADEON_RESET_DISPLAY)
1894		srbm_soft_reset |= SOFT_RESET_DC;
1895
1896	if (reset_mask & RADEON_RESET_RLC)
1897		srbm_soft_reset |= SOFT_RESET_RLC;
1898
1899	if (reset_mask & RADEON_RESET_SEM)
1900		srbm_soft_reset |= SOFT_RESET_SEM;
1901
1902	if (reset_mask & RADEON_RESET_IH)
1903		srbm_soft_reset |= SOFT_RESET_IH;
1904
1905	if (reset_mask & RADEON_RESET_GRBM)
1906		srbm_soft_reset |= SOFT_RESET_GRBM;
1907
1908	if (reset_mask & RADEON_RESET_VMC)
1909		srbm_soft_reset |= SOFT_RESET_VMC;
1910
1911	if (!(rdev->flags & RADEON_IS_IGP)) {
1912		if (reset_mask & RADEON_RESET_MC)
1913			srbm_soft_reset |= SOFT_RESET_MC;
1914	}
1915
1916	if (grbm_soft_reset) {
1917		tmp = RREG32(GRBM_SOFT_RESET);
1918		tmp |= grbm_soft_reset;
1919		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
1920		WREG32(GRBM_SOFT_RESET, tmp);
1921		tmp = RREG32(GRBM_SOFT_RESET);
1922
1923		udelay(50);
1924
1925		tmp &= ~grbm_soft_reset;
1926		WREG32(GRBM_SOFT_RESET, tmp);
1927		tmp = RREG32(GRBM_SOFT_RESET);
1928	}
1929
1930	if (srbm_soft_reset) {
1931		tmp = RREG32(SRBM_SOFT_RESET);
1932		tmp |= srbm_soft_reset;
1933		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1934		WREG32(SRBM_SOFT_RESET, tmp);
1935		tmp = RREG32(SRBM_SOFT_RESET);
1936
1937		udelay(50);
1938
1939		tmp &= ~srbm_soft_reset;
1940		WREG32(SRBM_SOFT_RESET, tmp);
1941		tmp = RREG32(SRBM_SOFT_RESET);
1942	}
1943
1944	/* Wait a little for things to settle down */
1945	udelay(50);
1946
1947	evergreen_mc_resume(rdev, &save);
1948	udelay(50);
1949
1950	evergreen_print_gpu_status_regs(rdev);
1951}
1952
1953int cayman_asic_reset(struct radeon_device *rdev, bool hard)
1954{
1955	u32 reset_mask;
1956
1957	if (hard) {
1958		evergreen_gpu_pci_config_reset(rdev);
1959		return 0;
1960	}
1961
1962	reset_mask = cayman_gpu_check_soft_reset(rdev);
1963
1964	if (reset_mask)
1965		r600_set_bios_scratch_engine_hung(rdev, true);
1966
1967	cayman_gpu_soft_reset(rdev, reset_mask);
1968
1969	reset_mask = cayman_gpu_check_soft_reset(rdev);
1970
1971	if (reset_mask)
1972		evergreen_gpu_pci_config_reset(rdev);
1973
1974	r600_set_bios_scratch_engine_hung(rdev, false);
1975
1976	return 0;
1977}
1978
1979/**
1980 * cayman_gfx_is_lockup - Check if the GFX engine is locked up
1981 *
1982 * @rdev: radeon_device pointer
1983 * @ring: radeon_ring structure holding ring information
1984 *
1985 * Check if the GFX engine is locked up.
1986 * Returns true if the engine appears to be locked up, false if not.
1987 */
1988bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1989{
1990	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
1991
1992	if (!(reset_mask & (RADEON_RESET_GFX |
1993			    RADEON_RESET_COMPUTE |
1994			    RADEON_RESET_CP))) {
1995		radeon_ring_lockup_update(rdev, ring);
1996		return false;
1997	}
1998	return radeon_ring_test_lockup(rdev, ring);
1999}
2000
2001static void cayman_uvd_init(struct radeon_device *rdev)
2002{
2003	int r;
2004
2005	if (!rdev->has_uvd)
2006		return;
2007
2008	r = radeon_uvd_init(rdev);
2009	if (r) {
2010		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
2011		/*
2012		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
2013		 * to early fails uvd_v2_2_resume() and thus nothing happens
2014		 * there. So it is pointless to try to go through that code
2015		 * hence why we disable uvd here.
2016		 */
2017		rdev->has_uvd = 0;
2018		return;
2019	}
2020	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
2021	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
2022}
2023
2024static void cayman_uvd_start(struct radeon_device *rdev)
2025{
2026	int r;
2027
2028	if (!rdev->has_uvd)
2029		return;
2030
2031	r = uvd_v2_2_resume(rdev);
2032	if (r) {
2033		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
2034		goto error;
2035	}
2036	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
2037	if (r) {
2038		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
2039		goto error;
2040	}
2041	return;
2042
2043error:
2044	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
2045}
2046
2047static void cayman_uvd_resume(struct radeon_device *rdev)
2048{
2049	struct radeon_ring *ring;
2050	int r;
2051
2052	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
2053		return;
2054
2055	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2056	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0));
2057	if (r) {
2058		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
2059		return;
2060	}
2061	r = uvd_v1_0_init(rdev);
2062	if (r) {
2063		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
2064		return;
2065	}
2066}
2067
2068static void cayman_vce_init(struct radeon_device *rdev)
2069{
2070	int r;
2071
2072	/* Only set for CHIP_ARUBA */
2073	if (!rdev->has_vce)
2074		return;
2075
2076	r = radeon_vce_init(rdev);
2077	if (r) {
2078		dev_err(rdev->dev, "failed VCE (%d) init.\n", r);
2079		/*
2080		 * At this point rdev->vce.vcpu_bo is NULL which trickles down
2081		 * to early fails cayman_vce_start() and thus nothing happens
2082		 * there. So it is pointless to try to go through that code
2083		 * hence why we disable vce here.
2084		 */
2085		rdev->has_vce = 0;
2086		return;
2087	}
2088	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_obj = NULL;
2089	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE1_INDEX], 4096);
2090	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_obj = NULL;
2091	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE2_INDEX], 4096);
2092}
2093
2094static void cayman_vce_start(struct radeon_device *rdev)
2095{
2096	int r;
2097
2098	if (!rdev->has_vce)
2099		return;
2100
2101	r = radeon_vce_resume(rdev);
2102	if (r) {
2103		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
2104		goto error;
2105	}
2106	r = vce_v1_0_resume(rdev);
2107	if (r) {
2108		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
2109		goto error;
2110	}
2111	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE1_INDEX);
2112	if (r) {
2113		dev_err(rdev->dev, "failed initializing VCE1 fences (%d).\n", r);
2114		goto error;
2115	}
2116	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE2_INDEX);
2117	if (r) {
2118		dev_err(rdev->dev, "failed initializing VCE2 fences (%d).\n", r);
2119		goto error;
2120	}
2121	return;
2122
2123error:
2124	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size = 0;
2125	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_size = 0;
2126}
2127
2128static void cayman_vce_resume(struct radeon_device *rdev)
2129{
2130	struct radeon_ring *ring;
2131	int r;
2132
2133	if (!rdev->has_vce || !rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size)
2134		return;
2135
2136	ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
2137	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2138	if (r) {
2139		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
2140		return;
2141	}
2142	ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
2143	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2144	if (r) {
2145		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
2146		return;
2147	}
2148	r = vce_v1_0_init(rdev);
2149	if (r) {
2150		dev_err(rdev->dev, "failed initializing VCE (%d).\n", r);
2151		return;
2152	}
2153}
2154
2155static int cayman_startup(struct radeon_device *rdev)
2156{
2157	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2158	int r;
2159
2160	/* enable pcie gen2 link */
2161	evergreen_pcie_gen2_enable(rdev);
2162	/* enable aspm */
2163	evergreen_program_aspm(rdev);
2164
2165	/* scratch needs to be initialized before MC */
2166	r = r600_vram_scratch_init(rdev);
2167	if (r)
2168		return r;
2169
2170	evergreen_mc_program(rdev);
2171
2172	if (!(rdev->flags & RADEON_IS_IGP) && !rdev->pm.dpm_enabled) {
2173		r = ni_mc_load_microcode(rdev);
2174		if (r) {
2175			DRM_ERROR("Failed to load MC firmware!\n");
2176			return r;
2177		}
2178	}
2179
2180	r = cayman_pcie_gart_enable(rdev);
2181	if (r)
2182		return r;
2183	cayman_gpu_init(rdev);
2184
2185	/* allocate rlc buffers */
2186	if (rdev->flags & RADEON_IS_IGP) {
2187		rdev->rlc.reg_list = tn_rlc_save_restore_register_list;
2188		rdev->rlc.reg_list_size =
2189			(u32)ARRAY_SIZE(tn_rlc_save_restore_register_list);
2190		rdev->rlc.cs_data = cayman_cs_data;
2191		r = sumo_rlc_init(rdev);
2192		if (r) {
2193			DRM_ERROR("Failed to init rlc BOs!\n");
2194			return r;
2195		}
2196	}
2197
2198	/* allocate wb buffer */
2199	r = radeon_wb_init(rdev);
2200	if (r)
2201		return r;
2202
2203	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
2204	if (r) {
2205		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2206		return r;
2207	}
2208
2209	cayman_uvd_start(rdev);
2210	cayman_vce_start(rdev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2211
2212	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
2213	if (r) {
2214		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2215		return r;
2216	}
2217
2218	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
2219	if (r) {
2220		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2221		return r;
2222	}
2223
2224	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
2225	if (r) {
2226		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2227		return r;
2228	}
2229
2230	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
2231	if (r) {
2232		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2233		return r;
2234	}
2235
2236	/* Enable IRQ */
2237	if (!rdev->irq.installed) {
2238		r = radeon_irq_kms_init(rdev);
2239		if (r)
2240			return r;
2241	}
2242
2243	r = r600_irq_init(rdev);
2244	if (r) {
2245		DRM_ERROR("radeon: IH init failed (%d).\n", r);
2246		radeon_irq_kms_fini(rdev);
2247		return r;
2248	}
2249	evergreen_irq_set(rdev);
2250
2251	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
2252			     RADEON_CP_PACKET2);
2253	if (r)
2254		return r;
2255
2256	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2257	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
2258			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2259	if (r)
2260		return r;
2261
2262	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2263	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
2264			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2265	if (r)
2266		return r;
2267
2268	r = cayman_cp_load_microcode(rdev);
2269	if (r)
2270		return r;
2271	r = cayman_cp_resume(rdev);
2272	if (r)
2273		return r;
2274
2275	r = cayman_dma_resume(rdev);
2276	if (r)
2277		return r;
2278
2279	cayman_uvd_resume(rdev);
2280	cayman_vce_resume(rdev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2281
2282	r = radeon_ib_pool_init(rdev);
2283	if (r) {
2284		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2285		return r;
2286	}
2287
2288	r = radeon_vm_manager_init(rdev);
2289	if (r) {
2290		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
2291		return r;
2292	}
2293
2294	r = radeon_audio_init(rdev);
2295	if (r)
2296		return r;
2297
2298	return 0;
2299}
2300
2301int cayman_resume(struct radeon_device *rdev)
2302{
2303	int r;
2304
2305	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2306	 * posting will perform necessary task to bring back GPU into good
2307	 * shape.
2308	 */
2309	/* post card */
2310	atom_asic_init(rdev->mode_info.atom_context);
2311
2312	/* init golden registers */
2313	ni_init_golden_registers(rdev);
2314
2315	if (rdev->pm.pm_method == PM_METHOD_DPM)
2316		radeon_pm_resume(rdev);
2317
2318	rdev->accel_working = true;
2319	r = cayman_startup(rdev);
2320	if (r) {
2321		DRM_ERROR("cayman startup failed on resume\n");
2322		rdev->accel_working = false;
2323		return r;
2324	}
2325	return r;
2326}
2327
2328int cayman_suspend(struct radeon_device *rdev)
2329{
2330	radeon_pm_suspend(rdev);
2331	radeon_audio_fini(rdev);
2332	radeon_vm_manager_fini(rdev);
2333	cayman_cp_enable(rdev, false);
2334	cayman_dma_stop(rdev);
2335	if (rdev->has_uvd) {
2336		uvd_v1_0_fini(rdev);
2337		radeon_uvd_suspend(rdev);
2338	}
2339	evergreen_irq_suspend(rdev);
2340	radeon_wb_disable(rdev);
2341	cayman_pcie_gart_disable(rdev);
2342	return 0;
2343}
2344
2345/* Plan is to move initialization in that function and use
2346 * helper function so that radeon_device_init pretty much
2347 * do nothing more than calling asic specific function. This
2348 * should also allow to remove a bunch of callback function
2349 * like vram_info.
2350 */
2351int cayman_init(struct radeon_device *rdev)
2352{
2353	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2354	int r;
2355
2356	/* Read BIOS */
2357	if (!radeon_get_bios(rdev)) {
2358		if (ASIC_IS_AVIVO(rdev))
2359			return -EINVAL;
2360	}
2361	/* Must be an ATOMBIOS */
2362	if (!rdev->is_atom_bios) {
2363		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
2364		return -EINVAL;
2365	}
2366	r = radeon_atombios_init(rdev);
2367	if (r)
2368		return r;
2369
2370	/* Post card if necessary */
2371	if (!radeon_card_posted(rdev)) {
2372		if (!rdev->bios) {
2373			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2374			return -EINVAL;
2375		}
2376		DRM_INFO("GPU not posted. posting now...\n");
2377		atom_asic_init(rdev->mode_info.atom_context);
2378	}
2379	/* init golden registers */
2380	ni_init_golden_registers(rdev);
2381	/* Initialize scratch registers */
2382	r600_scratch_init(rdev);
2383	/* Initialize surface registers */
2384	radeon_surface_init(rdev);
2385	/* Initialize clocks */
2386	radeon_get_clock_info(rdev->ddev);
2387	/* Fence driver */
2388	r = radeon_fence_driver_init(rdev);
2389	if (r)
2390		return r;
2391	/* initialize memory controller */
2392	r = evergreen_mc_init(rdev);
2393	if (r)
2394		return r;
2395	/* Memory manager */
2396	r = radeon_bo_init(rdev);
2397	if (r)
2398		return r;
2399
2400	if (rdev->flags & RADEON_IS_IGP) {
2401		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2402			r = ni_init_microcode(rdev);
2403			if (r) {
2404				DRM_ERROR("Failed to load firmware!\n");
2405				return r;
2406			}
2407		}
2408	} else {
2409		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2410			r = ni_init_microcode(rdev);
2411			if (r) {
2412				DRM_ERROR("Failed to load firmware!\n");
2413				return r;
2414			}
2415		}
2416	}
2417
2418	/* Initialize power management */
2419	radeon_pm_init(rdev);
2420
2421	ring->ring_obj = NULL;
2422	r600_ring_init(rdev, ring, 1024 * 1024);
2423
2424	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2425	ring->ring_obj = NULL;
2426	r600_ring_init(rdev, ring, 64 * 1024);
2427
2428	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2429	ring->ring_obj = NULL;
2430	r600_ring_init(rdev, ring, 64 * 1024);
2431
2432	cayman_uvd_init(rdev);
2433	cayman_vce_init(rdev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2434
2435	rdev->ih.ring_obj = NULL;
2436	r600_ih_ring_init(rdev, 64 * 1024);
2437
2438	r = r600_pcie_gart_init(rdev);
2439	if (r)
2440		return r;
2441
2442	rdev->accel_working = true;
2443	r = cayman_startup(rdev);
2444	if (r) {
2445		dev_err(rdev->dev, "disabling GPU acceleration\n");
2446		cayman_cp_fini(rdev);
2447		cayman_dma_fini(rdev);
2448		r600_irq_fini(rdev);
2449		if (rdev->flags & RADEON_IS_IGP)
2450			sumo_rlc_fini(rdev);
2451		radeon_wb_fini(rdev);
2452		radeon_ib_pool_fini(rdev);
2453		radeon_vm_manager_fini(rdev);
2454		radeon_irq_kms_fini(rdev);
2455		cayman_pcie_gart_fini(rdev);
2456		rdev->accel_working = false;
2457	}
2458
2459	/* Don't start up if the MC ucode is missing.
2460	 * The default clocks and voltages before the MC ucode
2461	 * is loaded are not suffient for advanced operations.
2462	 *
2463	 * We can skip this check for TN, because there is no MC
2464	 * ucode.
2465	 */
2466	if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
2467		DRM_ERROR("radeon: MC ucode required for NI+.\n");
2468		return -EINVAL;
2469	}
2470
2471	return 0;
2472}
2473
2474void cayman_fini(struct radeon_device *rdev)
2475{
2476	radeon_pm_fini(rdev);
2477	cayman_cp_fini(rdev);
2478	cayman_dma_fini(rdev);
2479	r600_irq_fini(rdev);
2480	if (rdev->flags & RADEON_IS_IGP)
2481		sumo_rlc_fini(rdev);
2482	radeon_wb_fini(rdev);
2483	radeon_vm_manager_fini(rdev);
2484	radeon_ib_pool_fini(rdev);
2485	radeon_irq_kms_fini(rdev);
2486	uvd_v1_0_fini(rdev);
2487	radeon_uvd_fini(rdev);
2488	if (rdev->has_vce)
2489		radeon_vce_fini(rdev);
2490	cayman_pcie_gart_fini(rdev);
2491	r600_vram_scratch_fini(rdev);
2492	radeon_gem_fini(rdev);
2493	radeon_fence_driver_fini(rdev);
2494	radeon_bo_fini(rdev);
2495	radeon_atombios_fini(rdev);
2496	kfree(rdev->bios);
2497	rdev->bios = NULL;
2498}
2499
2500/*
2501 * vm
2502 */
2503int cayman_vm_init(struct radeon_device *rdev)
2504{
2505	/* number of VMs */
2506	rdev->vm_manager.nvm = 8;
2507	/* base offset of vram pages */
2508	if (rdev->flags & RADEON_IS_IGP) {
2509		u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
2510		tmp <<= 22;
2511		rdev->vm_manager.vram_base_offset = tmp;
2512	} else
2513		rdev->vm_manager.vram_base_offset = 0;
2514	return 0;
2515}
2516
2517void cayman_vm_fini(struct radeon_device *rdev)
2518{
2519}
2520
2521/**
2522 * cayman_vm_decode_fault - print human readable fault info
2523 *
2524 * @rdev: radeon_device pointer
2525 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
2526 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
2527 *
2528 * Print human readable fault information (cayman/TN).
2529 */
2530void cayman_vm_decode_fault(struct radeon_device *rdev,
2531			    u32 status, u32 addr)
2532{
2533	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
2534	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
2535	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
2536	char *block;
2537
2538	switch (mc_id) {
2539	case 32:
2540	case 16:
2541	case 96:
2542	case 80:
2543	case 160:
2544	case 144:
2545	case 224:
2546	case 208:
2547		block = "CB";
2548		break;
2549	case 33:
2550	case 17:
2551	case 97:
2552	case 81:
2553	case 161:
2554	case 145:
2555	case 225:
2556	case 209:
2557		block = "CB_FMASK";
2558		break;
2559	case 34:
2560	case 18:
2561	case 98:
2562	case 82:
2563	case 162:
2564	case 146:
2565	case 226:
2566	case 210:
2567		block = "CB_CMASK";
2568		break;
2569	case 35:
2570	case 19:
2571	case 99:
2572	case 83:
2573	case 163:
2574	case 147:
2575	case 227:
2576	case 211:
2577		block = "CB_IMMED";
2578		break;
2579	case 36:
2580	case 20:
2581	case 100:
2582	case 84:
2583	case 164:
2584	case 148:
2585	case 228:
2586	case 212:
2587		block = "DB";
2588		break;
2589	case 37:
2590	case 21:
2591	case 101:
2592	case 85:
2593	case 165:
2594	case 149:
2595	case 229:
2596	case 213:
2597		block = "DB_HTILE";
2598		break;
2599	case 38:
2600	case 22:
2601	case 102:
2602	case 86:
2603	case 166:
2604	case 150:
2605	case 230:
2606	case 214:
2607		block = "SX";
2608		break;
2609	case 39:
2610	case 23:
2611	case 103:
2612	case 87:
2613	case 167:
2614	case 151:
2615	case 231:
2616	case 215:
2617		block = "DB_STEN";
2618		break;
2619	case 40:
2620	case 24:
2621	case 104:
2622	case 88:
2623	case 232:
2624	case 216:
2625	case 168:
2626	case 152:
2627		block = "TC_TFETCH";
2628		break;
2629	case 41:
2630	case 25:
2631	case 105:
2632	case 89:
2633	case 233:
2634	case 217:
2635	case 169:
2636	case 153:
2637		block = "TC_VFETCH";
2638		break;
2639	case 42:
2640	case 26:
2641	case 106:
2642	case 90:
2643	case 234:
2644	case 218:
2645	case 170:
2646	case 154:
2647		block = "VC";
2648		break;
2649	case 112:
2650		block = "CP";
2651		break;
2652	case 113:
2653	case 114:
2654		block = "SH";
2655		break;
2656	case 115:
2657		block = "VGT";
2658		break;
2659	case 178:
2660		block = "IH";
2661		break;
2662	case 51:
2663		block = "RLC";
2664		break;
2665	case 55:
2666		block = "DMA";
2667		break;
2668	case 56:
2669		block = "HDP";
2670		break;
2671	default:
2672		block = "unknown";
2673		break;
2674	}
2675
2676	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
2677	       protections, vmid, addr,
2678	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
2679	       block, mc_id);
2680}
2681
2682/**
2683 * cayman_vm_flush - vm flush using the CP
2684 *
2685 * @rdev: radeon_device pointer
2686 *
2687 * Update the page table base and flush the VM TLB
2688 * using the CP (cayman-si).
2689 */
2690void cayman_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
2691		     unsigned vm_id, uint64_t pd_addr)
2692{
2693	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm_id << 2), 0));
2694	radeon_ring_write(ring, pd_addr >> 12);
2695
2696	/* flush hdp cache */
2697	radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
2698	radeon_ring_write(ring, 0x1);
2699
2700	/* bits 0-7 are the VM contexts0-7 */
2701	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
2702	radeon_ring_write(ring, 1 << vm_id);
2703
2704	/* wait for the invalidate to complete */
2705	radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
2706	radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) |  /* always */
2707				 WAIT_REG_MEM_ENGINE(0))); /* me */
2708	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
2709	radeon_ring_write(ring, 0);
2710	radeon_ring_write(ring, 0); /* ref */
2711	radeon_ring_write(ring, 0); /* mask */
2712	radeon_ring_write(ring, 0x20); /* poll interval */
2713
2714	/* sync PFP to ME, otherwise we might get invalid PFP reads */
2715	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2716	radeon_ring_write(ring, 0x0);
2717}
2718
2719int tn_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk)
2720{
2721	struct atom_clock_dividers dividers;
2722	int r, i;
2723
2724	r = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
2725					   ecclk, false, &dividers);
2726	if (r)
2727		return r;
2728
2729	for (i = 0; i < 100; i++) {
2730		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2731			break;
2732		mdelay(10);
2733	}
2734	if (i == 100)
2735		return -ETIMEDOUT;
2736
2737	WREG32_P(CG_ECLK_CNTL, dividers.post_div, ~(ECLK_DIR_CNTL_EN|ECLK_DIVIDER_MASK));
2738
2739	for (i = 0; i < 100; i++) {
2740		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2741			break;
2742		mdelay(10);
2743	}
2744	if (i == 100)
2745		return -ETIMEDOUT;
2746
2747	return 0;
2748}