kernel/drivers/gpu/drm/radeon/ni.c

   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  */
  42 u32 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
  54 void 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
  64 static 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
 190 extern bool evergreen_is_display_hung(struct radeon_device *rdev);
 191 extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev);
 192 extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
 193 extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
 194 extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);
 195 extern void evergreen_mc_program(struct radeon_device *rdev);
 196 extern void evergreen_irq_suspend(struct radeon_device *rdev);
 197 extern int evergreen_mc_init(struct radeon_device *rdev);
 198 extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
 199 extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
 200 extern void evergreen_program_aspm(struct radeon_device *rdev);
 201 extern void sumo_rlc_fini(struct radeon_device *rdev);
 202 extern int sumo_rlc_init(struct radeon_device *rdev);
 203 extern void evergreen_gpu_pci_config_reset(struct radeon_device *rdev);
 204
 205 /* Firmware Names */
 206 MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
 207 MODULE_FIRMWARE("radeon/BARTS_me.bin");
 208 MODULE_FIRMWARE("radeon/BARTS_mc.bin");
 209 MODULE_FIRMWARE("radeon/BARTS_smc.bin");
 210 MODULE_FIRMWARE("radeon/BTC_rlc.bin");
 211 MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
 212 MODULE_FIRMWARE("radeon/TURKS_me.bin");
 213 MODULE_FIRMWARE("radeon/TURKS_mc.bin");
 214 MODULE_FIRMWARE("radeon/TURKS_smc.bin");
 215 MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
 216 MODULE_FIRMWARE("radeon/CAICOS_me.bin");
 217 MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
 218 MODULE_FIRMWARE("radeon/CAICOS_smc.bin");
 219 MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
 220 MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
 221 MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
 222 MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
 223 MODULE_FIRMWARE("radeon/CAYMAN_smc.bin");
 224 MODULE_FIRMWARE("radeon/ARUBA_pfp.bin");
 225 MODULE_FIRMWARE("radeon/ARUBA_me.bin");
 226 MODULE_FIRMWARE("radeon/ARUBA_rlc.bin");
 227
 228
 229 static 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
 239 static 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
 280 static const u32 dvst_golden_registers2[] =
 281 {
 282         0x8f8, 0xffffffff, 0,
 283         0x8fc, 0x00380000, 0,
 284         0x8f8, 0xffffffff, 1,
 285         0x8fc, 0x0e000000, 0
 286 };
 287
 288 static 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
 346 static 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
 453 static 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
 506 static 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
 538 static 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
 570 static 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
 602 static 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
 634 int 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
 710 int 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
 838 out:
 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  */
 866 int 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
 885 int 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  */
 896 static 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  */
1269 void 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
1278 static 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
1362 static 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
1389 static 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
1396 void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
1397                               int ring, u32 cp_int_cntl)
1398 {
1399         WREG32(SRBM_GFX_CNTL, RINGID(ring));
1400         WREG32(CP_INT_CNTL, cp_int_cntl);
1401 }
1402
1403 /*
1404  * CP.
1405  */
1406 void cayman_fence_ring_emit(struct radeon_device *rdev,
1407                             struct radeon_fence *fence)
1408 {
1409         struct radeon_ring *ring = &rdev->ring[fence->ring];
1410         u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
1411         u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1412                 PACKET3_SH_ACTION_ENA;
1413
1414         /* flush read cache over gart for this vmid */
1415         radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1416         radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1417         radeon_ring_write(ring, 0xFFFFFFFF);
1418         radeon_ring_write(ring, 0);
1419         radeon_ring_write(ring, 10); /* poll interval */
1420         /* EVENT_WRITE_EOP - flush caches, send int */
1421         radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1422         radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1423         radeon_ring_write(ring, lower_32_bits(addr));
1424         radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1425         radeon_ring_write(ring, fence->seq);
1426         radeon_ring_write(ring, 0);
1427 }
1428
1429 void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1430 {
1431         struct radeon_ring *ring = &rdev->ring[ib->ring];
1432         unsigned vm_id = ib->vm ? ib->vm->ids[ib->ring].id : 0;
1433         u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1434                 PACKET3_SH_ACTION_ENA;
1435
1436         /* set to DX10/11 mode */
1437         radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1438         radeon_ring_write(ring, 1);
1439
1440         if (ring->rptr_save_reg) {
1441                 uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
1442                 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1443                 radeon_ring_write(ring, ((ring->rptr_save_reg -
1444                                           PACKET3_SET_CONFIG_REG_START) >> 2));
1445                 radeon_ring_write(ring, next_rptr);
1446         }
1447
1448         radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1449         radeon_ring_write(ring,
1450 #ifdef __BIG_ENDIAN
1451                           (2 << 0) |
1452 #endif
1453                           (ib->gpu_addr & 0xFFFFFFFC));
1454         radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1455         radeon_ring_write(ring, ib->length_dw | (vm_id << 24));
1456
1457         /* flush read cache over gart for this vmid */
1458         radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1459         radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1460         radeon_ring_write(ring, 0xFFFFFFFF);
1461         radeon_ring_write(ring, 0);
1462         radeon_ring_write(ring, (vm_id << 24) | 10); /* poll interval */
1463 }
1464
1465 static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1466 {
1467         if (enable)
1468                 WREG32(CP_ME_CNTL, 0);
1469         else {
1470                 if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1471                         radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1472                 WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1473                 WREG32(SCRATCH_UMSK, 0);
1474                 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1475         }
1476 }
1477
1478 u32 cayman_gfx_get_rptr(struct radeon_device *rdev,
1479                         struct radeon_ring *ring)
1480 {
1481         u32 rptr;
1482
1483         if (rdev->wb.enabled)
1484                 rptr = rdev->wb.wb[ring->rptr_offs/4];
1485         else {
1486                 if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1487                         rptr = RREG32(CP_RB0_RPTR);
1488                 else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1489                         rptr = RREG32(CP_RB1_RPTR);
1490                 else
1491                         rptr = RREG32(CP_RB2_RPTR);
1492         }
1493
1494         return rptr;
1495 }
1496
1497 u32 cayman_gfx_get_wptr(struct radeon_device *rdev,
1498                         struct radeon_ring *ring)
1499 {
1500         u32 wptr;
1501
1502         if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1503                 wptr = RREG32(CP_RB0_WPTR);
1504         else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1505                 wptr = RREG32(CP_RB1_WPTR);
1506         else
1507                 wptr = RREG32(CP_RB2_WPTR);
1508
1509         return wptr;
1510 }
1511
1512 void cayman_gfx_set_wptr(struct radeon_device *rdev,
1513                          struct radeon_ring *ring)
1514 {
1515         if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) {
1516                 WREG32(CP_RB0_WPTR, ring->wptr);
1517                 (void)RREG32(CP_RB0_WPTR);
1518         } else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) {
1519                 WREG32(CP_RB1_WPTR, ring->wptr);
1520                 (void)RREG32(CP_RB1_WPTR);
1521         } else {
1522                 WREG32(CP_RB2_WPTR, ring->wptr);
1523                 (void)RREG32(CP_RB2_WPTR);
1524         }
1525 }
1526
1527 static int cayman_cp_load_microcode(struct radeon_device *rdev)
1528 {
1529         const __be32 *fw_data;
1530         int i;
1531
1532         if (!rdev->me_fw || !rdev->pfp_fw)
1533                 return -EINVAL;
1534
1535         cayman_cp_enable(rdev, false);
1536
1537         fw_data = (const __be32 *)rdev->pfp_fw->data;
1538         WREG32(CP_PFP_UCODE_ADDR, 0);
1539         for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1540                 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1541         WREG32(CP_PFP_UCODE_ADDR, 0);
1542
1543         fw_data = (const __be32 *)rdev->me_fw->data;
1544         WREG32(CP_ME_RAM_WADDR, 0);
1545         for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1546                 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1547
1548         WREG32(CP_PFP_UCODE_ADDR, 0);
1549         WREG32(CP_ME_RAM_WADDR, 0);
1550         WREG32(CP_ME_RAM_RADDR, 0);
1551         return 0;
1552 }
1553
1554 static int cayman_cp_start(struct radeon_device *rdev)
1555 {
1556         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1557         int r, i;
1558
1559         r = radeon_ring_lock(rdev, ring, 7);
1560         if (r) {
1561                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1562                 return r;
1563         }
1564         radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1565         radeon_ring_write(ring, 0x1);
1566         radeon_ring_write(ring, 0x0);
1567         radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
1568         radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1569         radeon_ring_write(ring, 0);
1570         radeon_ring_write(ring, 0);
1571         radeon_ring_unlock_commit(rdev, ring, false);
1572
1573         cayman_cp_enable(rdev, true);
1574
1575         r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
1576         if (r) {
1577                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1578                 return r;
1579         }
1580
1581         /* setup clear context state */
1582         radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1583         radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1584
1585         for (i = 0; i < cayman_default_size; i++)
1586                 radeon_ring_write(ring, cayman_default_state[i]);
1587
1588         radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1589         radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1590
1591         /* set clear context state */
1592         radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1593         radeon_ring_write(ring, 0);
1594
1595         /* SQ_VTX_BASE_VTX_LOC */
1596         radeon_ring_write(ring, 0xc0026f00);
1597         radeon_ring_write(ring, 0x00000000);
1598         radeon_ring_write(ring, 0x00000000);
1599         radeon_ring_write(ring, 0x00000000);
1600
1601         /* Clear consts */
1602         radeon_ring_write(ring, 0xc0036f00);
1603         radeon_ring_write(ring, 0x00000bc4);
1604         radeon_ring_write(ring, 0xffffffff);
1605         radeon_ring_write(ring, 0xffffffff);
1606         radeon_ring_write(ring, 0xffffffff);
1607
1608         radeon_ring_write(ring, 0xc0026900);
1609         radeon_ring_write(ring, 0x00000316);
1610         radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1611         radeon_ring_write(ring, 0x00000010); /*  */
1612
1613         radeon_ring_unlock_commit(rdev, ring, false);
1614
1615         /* XXX init other rings */
1616
1617         return 0;
1618 }
1619
1620 static void cayman_cp_fini(struct radeon_device *rdev)
1621 {
1622         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1623         cayman_cp_enable(rdev, false);
1624         radeon_ring_fini(rdev, ring);
1625         radeon_scratch_free(rdev, ring->rptr_save_reg);
1626 }
1627
1628 static int cayman_cp_resume(struct radeon_device *rdev)
1629 {
1630         static const int ridx[] = {
1631                 RADEON_RING_TYPE_GFX_INDEX,
1632                 CAYMAN_RING_TYPE_CP1_INDEX,
1633                 CAYMAN_RING_TYPE_CP2_INDEX
1634         };
1635         static const unsigned cp_rb_cntl[] = {
1636                 CP_RB0_CNTL,
1637                 CP_RB1_CNTL,
1638                 CP_RB2_CNTL,
1639         };
1640         static const unsigned cp_rb_rptr_addr[] = {
1641                 CP_RB0_RPTR_ADDR,
1642                 CP_RB1_RPTR_ADDR,
1643                 CP_RB2_RPTR_ADDR
1644         };
1645         static const unsigned cp_rb_rptr_addr_hi[] = {
1646                 CP_RB0_RPTR_ADDR_HI,
1647                 CP_RB1_RPTR_ADDR_HI,
1648                 CP_RB2_RPTR_ADDR_HI
1649         };
1650         static const unsigned cp_rb_base[] = {
1651                 CP_RB0_BASE,
1652                 CP_RB1_BASE,
1653                 CP_RB2_BASE
1654         };
1655         static const unsigned cp_rb_rptr[] = {
1656                 CP_RB0_RPTR,
1657                 CP_RB1_RPTR,
1658                 CP_RB2_RPTR
1659         };
1660         static const unsigned cp_rb_wptr[] = {
1661                 CP_RB0_WPTR,
1662                 CP_RB1_WPTR,
1663                 CP_RB2_WPTR
1664         };
1665         struct radeon_ring *ring;
1666         int i, r;
1667
1668         /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1669         WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1670                                  SOFT_RESET_PA |
1671                                  SOFT_RESET_SH |
1672                                  SOFT_RESET_VGT |
1673                                  SOFT_RESET_SPI |
1674                                  SOFT_RESET_SX));
1675         RREG32(GRBM_SOFT_RESET);
1676         mdelay(15);
1677         WREG32(GRBM_SOFT_RESET, 0);
1678         RREG32(GRBM_SOFT_RESET);
1679
1680         WREG32(CP_SEM_WAIT_TIMER, 0x0);
1681         WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1682
1683         /* Set the write pointer delay */
1684         WREG32(CP_RB_WPTR_DELAY, 0);
1685
1686         WREG32(CP_DEBUG, (1 << 27));
1687
1688         /* set the wb address whether it's enabled or not */
1689         WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1690         WREG32(SCRATCH_UMSK, 0xff);
1691
1692         for (i = 0; i < 3; ++i) {
1693                 uint32_t rb_cntl;
1694                 uint64_t addr;
1695
1696                 /* Set ring buffer size */
1697                 ring = &rdev->ring[ridx[i]];
1698                 rb_cntl = order_base_2(ring->ring_size / 8);
1699                 rb_cntl |= order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8;
1700 #ifdef __BIG_ENDIAN
1701                 rb_cntl |= BUF_SWAP_32BIT;
1702 #endif
1703                 WREG32(cp_rb_cntl[i], rb_cntl);
1704
1705                 /* set the wb address whether it's enabled or not */
1706                 addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1707                 WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1708                 WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1709         }
1710
1711         /* set the rb base addr, this causes an internal reset of ALL rings */
1712         for (i = 0; i < 3; ++i) {
1713                 ring = &rdev->ring[ridx[i]];
1714                 WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1715         }
1716
1717         for (i = 0; i < 3; ++i) {
1718                 /* Initialize the ring buffer's read and write pointers */
1719                 ring = &rdev->ring[ridx[i]];
1720                 WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1721
1722                 ring->wptr = 0;
1723                 WREG32(cp_rb_rptr[i], 0);
1724                 WREG32(cp_rb_wptr[i], ring->wptr);
1725
1726                 mdelay(1);
1727                 WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1728         }
1729
1730         /* start the rings */
1731         cayman_cp_start(rdev);
1732         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1733         rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1734         rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1735         /* this only test cp0 */
1736         r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1737         if (r) {
1738                 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1739                 rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1740                 rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1741                 return r;
1742         }
1743
1744         if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1745                 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1746
1747         return 0;
1748 }
1749
1750 u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
1751 {
1752         u32 reset_mask = 0;
1753         u32 tmp;
1754
1755         /* GRBM_STATUS */
1756         tmp = RREG32(GRBM_STATUS);
1757         if (tmp & (PA_BUSY | SC_BUSY |
1758                    SH_BUSY | SX_BUSY |
1759                    TA_BUSY | VGT_BUSY |
1760                    DB_BUSY | CB_BUSY |
1761                    GDS_BUSY | SPI_BUSY |
1762                    IA_BUSY | IA_BUSY_NO_DMA))
1763                 reset_mask |= RADEON_RESET_GFX;
1764
1765         if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
1766                    CP_BUSY | CP_COHERENCY_BUSY))
1767                 reset_mask |= RADEON_RESET_CP;
1768
1769         if (tmp & GRBM_EE_BUSY)
1770                 reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1771
1772         /* DMA_STATUS_REG 0 */
1773         tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
1774         if (!(tmp & DMA_IDLE))
1775                 reset_mask |= RADEON_RESET_DMA;
1776
1777         /* DMA_STATUS_REG 1 */
1778         tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
1779         if (!(tmp & DMA_IDLE))
1780                 reset_mask |= RADEON_RESET_DMA1;
1781
1782         /* SRBM_STATUS2 */
1783         tmp = RREG32(SRBM_STATUS2);
1784         if (tmp & DMA_BUSY)
1785                 reset_mask |= RADEON_RESET_DMA;
1786
1787         if (tmp & DMA1_BUSY)
1788                 reset_mask |= RADEON_RESET_DMA1;
1789
1790         /* SRBM_STATUS */
1791         tmp = RREG32(SRBM_STATUS);
1792         if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
1793                 reset_mask |= RADEON_RESET_RLC;
1794
1795         if (tmp & IH_BUSY)
1796                 reset_mask |= RADEON_RESET_IH;
1797
1798         if (tmp & SEM_BUSY)
1799                 reset_mask |= RADEON_RESET_SEM;
1800
1801         if (tmp & GRBM_RQ_PENDING)
1802                 reset_mask |= RADEON_RESET_GRBM;
1803
1804         if (tmp & VMC_BUSY)
1805                 reset_mask |= RADEON_RESET_VMC;
1806
1807         if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
1808                    MCC_BUSY | MCD_BUSY))
1809                 reset_mask |= RADEON_RESET_MC;
1810
1811         if (evergreen_is_display_hung(rdev))
1812                 reset_mask |= RADEON_RESET_DISPLAY;
1813
1814         /* VM_L2_STATUS */
1815         tmp = RREG32(VM_L2_STATUS);
1816         if (tmp & L2_BUSY)
1817                 reset_mask |= RADEON_RESET_VMC;
1818
1819         /* Skip MC reset as it's mostly likely not hung, just busy */
1820         if (reset_mask & RADEON_RESET_MC) {
1821                 DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1822                 reset_mask &= ~RADEON_RESET_MC;
1823         }
1824
1825         return reset_mask;
1826 }
1827
1828 static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1829 {
1830         struct evergreen_mc_save save;
1831         u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1832         u32 tmp;
1833
1834         if (reset_mask == 0)
1835                 return;
1836
1837         dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1838
1839         evergreen_print_gpu_status_regs(rdev);
1840         dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1841                  RREG32(0x14F8));
1842         dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1843                  RREG32(0x14D8));
1844         dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1845                  RREG32(0x14FC));
1846         dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1847                  RREG32(0x14DC));
1848
1849         /* Disable CP parsing/prefetching */
1850         WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1851
1852         if (reset_mask & RADEON_RESET_DMA) {
1853                 /* dma0 */
1854                 tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1855                 tmp &= ~DMA_RB_ENABLE;
1856                 WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
1857         }
1858
1859         if (reset_mask & RADEON_RESET_DMA1) {
1860                 /* dma1 */
1861                 tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1862                 tmp &= ~DMA_RB_ENABLE;
1863                 WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
1864         }
1865
1866         udelay(50);
1867
1868         evergreen_mc_stop(rdev, &save);
1869         if (evergreen_mc_wait_for_idle(rdev)) {
1870                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1871         }
1872
1873         if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1874                 grbm_soft_reset = SOFT_RESET_CB |
1875                         SOFT_RESET_DB |
1876                         SOFT_RESET_GDS |
1877                         SOFT_RESET_PA |
1878                         SOFT_RESET_SC |
1879                         SOFT_RESET_SPI |
1880                         SOFT_RESET_SH |
1881                         SOFT_RESET_SX |
1882                         SOFT_RESET_TC |
1883                         SOFT_RESET_TA |
1884                         SOFT_RESET_VGT |
1885                         SOFT_RESET_IA;
1886         }
1887
1888         if (reset_mask & RADEON_RESET_CP) {
1889                 grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
1890
1891                 srbm_soft_reset |= SOFT_RESET_GRBM;
1892         }
1893
1894         if (reset_mask & RADEON_RESET_DMA)
1895                 srbm_soft_reset |= SOFT_RESET_DMA;
1896
1897         if (reset_mask & RADEON_RESET_DMA1)
1898                 srbm_soft_reset |= SOFT_RESET_DMA1;
1899
1900         if (reset_mask & RADEON_RESET_DISPLAY)
1901                 srbm_soft_reset |= SOFT_RESET_DC;
1902
1903         if (reset_mask & RADEON_RESET_RLC)
1904                 srbm_soft_reset |= SOFT_RESET_RLC;
1905
1906         if (reset_mask & RADEON_RESET_SEM)
1907                 srbm_soft_reset |= SOFT_RESET_SEM;
1908
1909         if (reset_mask & RADEON_RESET_IH)
1910                 srbm_soft_reset |= SOFT_RESET_IH;
1911
1912         if (reset_mask & RADEON_RESET_GRBM)
1913                 srbm_soft_reset |= SOFT_RESET_GRBM;
1914
1915         if (reset_mask & RADEON_RESET_VMC)
1916                 srbm_soft_reset |= SOFT_RESET_VMC;
1917
1918         if (!(rdev->flags & RADEON_IS_IGP)) {
1919                 if (reset_mask & RADEON_RESET_MC)
1920                         srbm_soft_reset |= SOFT_RESET_MC;
1921         }
1922
1923         if (grbm_soft_reset) {
1924                 tmp = RREG32(GRBM_SOFT_RESET);
1925                 tmp |= grbm_soft_reset;
1926                 dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
1927                 WREG32(GRBM_SOFT_RESET, tmp);
1928                 tmp = RREG32(GRBM_SOFT_RESET);
1929
1930                 udelay(50);
1931
1932                 tmp &= ~grbm_soft_reset;
1933                 WREG32(GRBM_SOFT_RESET, tmp);
1934                 tmp = RREG32(GRBM_SOFT_RESET);
1935         }
1936
1937         if (srbm_soft_reset) {
1938                 tmp = RREG32(SRBM_SOFT_RESET);
1939                 tmp |= srbm_soft_reset;
1940                 dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1941                 WREG32(SRBM_SOFT_RESET, tmp);
1942                 tmp = RREG32(SRBM_SOFT_RESET);
1943
1944                 udelay(50);
1945
1946                 tmp &= ~srbm_soft_reset;
1947                 WREG32(SRBM_SOFT_RESET, tmp);
1948                 tmp = RREG32(SRBM_SOFT_RESET);
1949         }
1950
1951         /* Wait a little for things to settle down */
1952         udelay(50);
1953
1954         evergreen_mc_resume(rdev, &save);
1955         udelay(50);
1956
1957         evergreen_print_gpu_status_regs(rdev);
1958 }
1959
1960 int cayman_asic_reset(struct radeon_device *rdev)
1961 {
1962         u32 reset_mask;
1963
1964         reset_mask = cayman_gpu_check_soft_reset(rdev);
1965
1966         if (reset_mask)
1967                 r600_set_bios_scratch_engine_hung(rdev, true);
1968
1969         cayman_gpu_soft_reset(rdev, reset_mask);
1970
1971         reset_mask = cayman_gpu_check_soft_reset(rdev);
1972
1973         if (reset_mask)
1974                 evergreen_gpu_pci_config_reset(rdev);
1975
1976         r600_set_bios_scratch_engine_hung(rdev, false);
1977
1978         return 0;
1979 }
1980
1981 /**
1982  * cayman_gfx_is_lockup - Check if the GFX engine is locked up
1983  *
1984  * @rdev: radeon_device pointer
1985  * @ring: radeon_ring structure holding ring information
1986  *
1987  * Check if the GFX engine is locked up.
1988  * Returns true if the engine appears to be locked up, false if not.
1989  */
1990 bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1991 {
1992         u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
1993
1994         if (!(reset_mask & (RADEON_RESET_GFX |
1995                             RADEON_RESET_COMPUTE |
1996                             RADEON_RESET_CP))) {
1997                 radeon_ring_lockup_update(rdev, ring);
1998                 return false;
1999         }
2000         return radeon_ring_test_lockup(rdev, ring);
2001 }
2002
2003 static int cayman_startup(struct radeon_device *rdev)
2004 {
2005         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2006         int r;
2007
2008         /* enable pcie gen2 link */
2009         evergreen_pcie_gen2_enable(rdev);
2010         /* enable aspm */
2011         evergreen_program_aspm(rdev);
2012
2013         /* scratch needs to be initialized before MC */
2014         r = r600_vram_scratch_init(rdev);
2015         if (r)
2016                 return r;
2017
2018         evergreen_mc_program(rdev);
2019
2020         if (!(rdev->flags & RADEON_IS_IGP) && !rdev->pm.dpm_enabled) {
2021                 r = ni_mc_load_microcode(rdev);
2022                 if (r) {
2023                         DRM_ERROR("Failed to load MC firmware!\n");
2024                         return r;
2025                 }
2026         }
2027
2028         r = cayman_pcie_gart_enable(rdev);
2029         if (r)
2030                 return r;
2031         cayman_gpu_init(rdev);
2032
2033         /* allocate rlc buffers */
2034         if (rdev->flags & RADEON_IS_IGP) {
2035                 rdev->rlc.reg_list = tn_rlc_save_restore_register_list;
2036                 rdev->rlc.reg_list_size =
2037                         (u32)ARRAY_SIZE(tn_rlc_save_restore_register_list);
2038                 rdev->rlc.cs_data = cayman_cs_data;
2039                 r = sumo_rlc_init(rdev);
2040                 if (r) {
2041                         DRM_ERROR("Failed to init rlc BOs!\n");
2042                         return r;
2043                 }
2044         }
2045
2046         /* allocate wb buffer */
2047         r = radeon_wb_init(rdev);
2048         if (r)
2049                 return r;
2050
2051         r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
2052         if (r) {
2053                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2054                 return r;
2055         }
2056
2057         r = uvd_v2_2_resume(rdev);
2058         if (!r) {
2059                 r = radeon_fence_driver_start_ring(rdev,
2060                                                    R600_RING_TYPE_UVD_INDEX);
2061                 if (r)
2062                         dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
2063         }
2064         if (r)
2065                 rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
2066
2067         if (rdev->family == CHIP_ARUBA) {
2068                 r = radeon_vce_resume(rdev);
2069                 if (!r)
2070                         r = vce_v1_0_resume(rdev);
2071
2072                 if (!r)
2073                         r = radeon_fence_driver_start_ring(rdev,
2074                                                            TN_RING_TYPE_VCE1_INDEX);
2075                 if (!r)
2076                         r = radeon_fence_driver_start_ring(rdev,
2077                                                            TN_RING_TYPE_VCE2_INDEX);
2078
2079                 if (r) {
2080                         dev_err(rdev->dev, "VCE init error (%d).\n", r);
2081                         rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size = 0;
2082                         rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_size = 0;
2083                 }
2084         }
2085
2086         r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
2087         if (r) {
2088                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2089                 return r;
2090         }
2091
2092         r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
2093         if (r) {
2094                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2095                 return r;
2096         }
2097
2098         r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
2099         if (r) {
2100                 dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2101                 return r;
2102         }
2103
2104         r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
2105         if (r) {
2106                 dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2107                 return r;
2108         }
2109
2110         /* Enable IRQ */
2111         if (!rdev->irq.installed) {
2112                 r = radeon_irq_kms_init(rdev);
2113                 if (r)
2114                         return r;
2115         }
2116
2117         r = r600_irq_init(rdev);
2118         if (r) {
2119                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
2120                 radeon_irq_kms_fini(rdev);
2121                 return r;
2122         }
2123         evergreen_irq_set(rdev);
2124
2125         r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
2126                              RADEON_CP_PACKET2);
2127         if (r)
2128                 return r;
2129
2130         ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2131         r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
2132                              DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2133         if (r)
2134                 return r;
2135
2136         ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2137         r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
2138                              DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2139         if (r)
2140                 return r;
2141
2142         r = cayman_cp_load_microcode(rdev);
2143         if (r)
2144                 return r;
2145         r = cayman_cp_resume(rdev);
2146         if (r)
2147                 return r;
2148
2149         r = cayman_dma_resume(rdev);
2150         if (r)
2151                 return r;
2152
2153         ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2154         if (ring->ring_size) {
2155                 r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
2156                                      RADEON_CP_PACKET2);
2157                 if (!r)
2158                         r = uvd_v1_0_init(rdev);
2159                 if (r)
2160                         DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
2161         }
2162
2163         if (rdev->family == CHIP_ARUBA) {
2164                 ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
2165                 if (ring->ring_size)
2166                         r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2167
2168                 ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
2169                 if (ring->ring_size)
2170                         r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2171
2172                 if (!r)
2173                         r = vce_v1_0_init(rdev);
2174                 if (r)
2175                         DRM_ERROR("radeon: failed initializing VCE (%d).\n", r);
2176         }
2177
2178         r = radeon_ib_pool_init(rdev);
2179         if (r) {
2180                 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2181                 return r;
2182         }
2183
2184         r = radeon_vm_manager_init(rdev);
2185         if (r) {
2186                 dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
2187                 return r;
2188         }
2189
2190         r = radeon_audio_init(rdev);
2191         if (r)
2192                 return r;
2193
2194         return 0;
2195 }
2196
2197 int cayman_resume(struct radeon_device *rdev)
2198 {
2199         int r;
2200
2201         /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2202          * posting will perform necessary task to bring back GPU into good
2203          * shape.
2204          */
2205         /* post card */
2206         atom_asic_init(rdev->mode_info.atom_context);
2207
2208         /* init golden registers */
2209         ni_init_golden_registers(rdev);
2210
2211         if (rdev->pm.pm_method == PM_METHOD_DPM)
2212                 radeon_pm_resume(rdev);
2213
2214         rdev->accel_working = true;
2215         r = cayman_startup(rdev);
2216         if (r) {
2217                 DRM_ERROR("cayman startup failed on resume\n");
2218                 rdev->accel_working = false;
2219                 return r;
2220         }
2221         return r;
2222 }
2223
2224 int cayman_suspend(struct radeon_device *rdev)
2225 {
2226         radeon_pm_suspend(rdev);
2227         radeon_audio_fini(rdev);
2228         radeon_vm_manager_fini(rdev);
2229         cayman_cp_enable(rdev, false);
2230         cayman_dma_stop(rdev);
2231         uvd_v1_0_fini(rdev);
2232         radeon_uvd_suspend(rdev);
2233         evergreen_irq_suspend(rdev);
2234         radeon_wb_disable(rdev);
2235         cayman_pcie_gart_disable(rdev);
2236         return 0;
2237 }
2238
2239 /* Plan is to move initialization in that function and use
2240  * helper function so that radeon_device_init pretty much
2241  * do nothing more than calling asic specific function. This
2242  * should also allow to remove a bunch of callback function
2243  * like vram_info.
2244  */
2245 int cayman_init(struct radeon_device *rdev)
2246 {
2247         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2248         int r;
2249
2250         /* Read BIOS */
2251         if (!radeon_get_bios(rdev)) {
2252                 if (ASIC_IS_AVIVO(rdev))
2253                         return -EINVAL;
2254         }
2255         /* Must be an ATOMBIOS */
2256         if (!rdev->is_atom_bios) {
2257                 dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
2258                 return -EINVAL;
2259         }
2260         r = radeon_atombios_init(rdev);
2261         if (r)
2262                 return r;
2263
2264         /* Post card if necessary */
2265         if (!radeon_card_posted(rdev)) {
2266                 if (!rdev->bios) {
2267                         dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2268                         return -EINVAL;
2269                 }
2270                 DRM_INFO("GPU not posted. posting now...\n");
2271                 atom_asic_init(rdev->mode_info.atom_context);
2272         }
2273         /* init golden registers */
2274         ni_init_golden_registers(rdev);
2275         /* Initialize scratch registers */
2276         r600_scratch_init(rdev);
2277         /* Initialize surface registers */
2278         radeon_surface_init(rdev);
2279         /* Initialize clocks */
2280         radeon_get_clock_info(rdev->ddev);
2281         /* Fence driver */
2282         r = radeon_fence_driver_init(rdev);
2283         if (r)
2284                 return r;
2285         /* initialize memory controller */
2286         r = evergreen_mc_init(rdev);
2287         if (r)
2288                 return r;
2289         /* Memory manager */
2290         r = radeon_bo_init(rdev);
2291         if (r)
2292                 return r;
2293
2294         if (rdev->flags & RADEON_IS_IGP) {
2295                 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2296                         r = ni_init_microcode(rdev);
2297                         if (r) {
2298                                 DRM_ERROR("Failed to load firmware!\n");
2299                                 return r;
2300                         }
2301                 }
2302         } else {
2303                 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2304                         r = ni_init_microcode(rdev);
2305                         if (r) {
2306                                 DRM_ERROR("Failed to load firmware!\n");
2307                                 return r;
2308                         }
2309                 }
2310         }
2311
2312         /* Initialize power management */
2313         radeon_pm_init(rdev);
2314
2315         ring->ring_obj = NULL;
2316         r600_ring_init(rdev, ring, 1024 * 1024);
2317
2318         ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2319         ring->ring_obj = NULL;
2320         r600_ring_init(rdev, ring, 64 * 1024);
2321
2322         ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2323         ring->ring_obj = NULL;
2324         r600_ring_init(rdev, ring, 64 * 1024);
2325
2326         r = radeon_uvd_init(rdev);
2327         if (!r) {
2328                 ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2329                 ring->ring_obj = NULL;
2330                 r600_ring_init(rdev, ring, 4096);
2331         }
2332
2333         if (rdev->family == CHIP_ARUBA) {
2334                 r = radeon_vce_init(rdev);
2335                 if (!r) {
2336                         ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
2337                         ring->ring_obj = NULL;
2338                         r600_ring_init(rdev, ring, 4096);
2339
2340                         ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
2341                         ring->ring_obj = NULL;
2342                         r600_ring_init(rdev, ring, 4096);
2343                 }
2344         }
2345
2346         rdev->ih.ring_obj = NULL;
2347         r600_ih_ring_init(rdev, 64 * 1024);
2348
2349         r = r600_pcie_gart_init(rdev);
2350         if (r)
2351                 return r;
2352
2353         rdev->accel_working = true;
2354         r = cayman_startup(rdev);
2355         if (r) {
2356                 dev_err(rdev->dev, "disabling GPU acceleration\n");
2357                 cayman_cp_fini(rdev);
2358                 cayman_dma_fini(rdev);
2359                 r600_irq_fini(rdev);
2360                 if (rdev->flags & RADEON_IS_IGP)
2361                         sumo_rlc_fini(rdev);
2362                 radeon_wb_fini(rdev);
2363                 radeon_ib_pool_fini(rdev);
2364                 radeon_vm_manager_fini(rdev);
2365                 radeon_irq_kms_fini(rdev);
2366                 cayman_pcie_gart_fini(rdev);
2367                 rdev->accel_working = false;
2368         }
2369
2370         /* Don't start up if the MC ucode is missing.
2371          * The default clocks and voltages before the MC ucode
2372          * is loaded are not suffient for advanced operations.
2373          *
2374          * We can skip this check for TN, because there is no MC
2375          * ucode.
2376          */
2377         if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
2378                 DRM_ERROR("radeon: MC ucode required for NI+.\n");
2379                 return -EINVAL;
2380         }
2381
2382         return 0;
2383 }
2384
2385 void cayman_fini(struct radeon_device *rdev)
2386 {
2387         radeon_pm_fini(rdev);
2388         cayman_cp_fini(rdev);
2389         cayman_dma_fini(rdev);
2390         r600_irq_fini(rdev);
2391         if (rdev->flags & RADEON_IS_IGP)
2392                 sumo_rlc_fini(rdev);
2393         radeon_wb_fini(rdev);
2394         radeon_vm_manager_fini(rdev);
2395         radeon_ib_pool_fini(rdev);
2396         radeon_irq_kms_fini(rdev);
2397         uvd_v1_0_fini(rdev);
2398         radeon_uvd_fini(rdev);
2399         if (rdev->family == CHIP_ARUBA)
2400                 radeon_vce_fini(rdev);
2401         cayman_pcie_gart_fini(rdev);
2402         r600_vram_scratch_fini(rdev);
2403         radeon_gem_fini(rdev);
2404         radeon_fence_driver_fini(rdev);
2405         radeon_bo_fini(rdev);
2406         radeon_atombios_fini(rdev);
2407         kfree(rdev->bios);
2408         rdev->bios = NULL;
2409 }
2410
2411 /*
2412  * vm
2413  */
2414 int cayman_vm_init(struct radeon_device *rdev)
2415 {
2416         /* number of VMs */
2417         rdev->vm_manager.nvm = 8;
2418         /* base offset of vram pages */
2419         if (rdev->flags & RADEON_IS_IGP) {
2420                 u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
2421                 tmp <<= 22;
2422                 rdev->vm_manager.vram_base_offset = tmp;
2423         } else
2424                 rdev->vm_manager.vram_base_offset = 0;
2425         return 0;
2426 }
2427
2428 void cayman_vm_fini(struct radeon_device *rdev)
2429 {
2430 }
2431
2432 /**
2433  * cayman_vm_decode_fault - print human readable fault info
2434  *
2435  * @rdev: radeon_device pointer
2436  * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
2437  * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
2438  *
2439  * Print human readable fault information (cayman/TN).
2440  */
2441 void cayman_vm_decode_fault(struct radeon_device *rdev,
2442                             u32 status, u32 addr)
2443 {
2444         u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
2445         u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
2446         u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
2447         char *block;
2448
2449         switch (mc_id) {
2450         case 32:
2451         case 16:
2452         case 96:
2453         case 80:
2454         case 160:
2455         case 144:
2456         case 224:
2457         case 208:
2458                 block = "CB";
2459                 break;
2460         case 33:
2461         case 17:
2462         case 97:
2463         case 81:
2464         case 161:
2465         case 145:
2466         case 225:
2467         case 209:
2468                 block = "CB_FMASK";
2469                 break;
2470         case 34:
2471         case 18:
2472         case 98:
2473         case 82:
2474         case 162:
2475         case 146:
2476         case 226:
2477         case 210:
2478                 block = "CB_CMASK";
2479                 break;
2480         case 35:
2481         case 19:
2482         case 99:
2483         case 83:
2484         case 163:
2485         case 147:
2486         case 227:
2487         case 211:
2488                 block = "CB_IMMED";
2489                 break;
2490         case 36:
2491         case 20:
2492         case 100:
2493         case 84:
2494         case 164:
2495         case 148:
2496         case 228:
2497         case 212:
2498                 block = "DB";
2499                 break;
2500         case 37:
2501         case 21:
2502         case 101:
2503         case 85:
2504         case 165:
2505         case 149:
2506         case 229:
2507         case 213:
2508                 block = "DB_HTILE";
2509                 break;
2510         case 38:
2511         case 22:
2512         case 102:
2513         case 86:
2514         case 166:
2515         case 150:
2516         case 230:
2517         case 214:
2518                 block = "SX";
2519                 break;
2520         case 39:
2521         case 23:
2522         case 103:
2523         case 87:
2524         case 167:
2525         case 151:
2526         case 231:
2527         case 215:
2528                 block = "DB_STEN";
2529                 break;
2530         case 40:
2531         case 24:
2532         case 104:
2533         case 88:
2534         case 232:
2535         case 216:
2536         case 168:
2537         case 152:
2538                 block = "TC_TFETCH";
2539                 break;
2540         case 41:
2541         case 25:
2542         case 105:
2543         case 89:
2544         case 233:
2545         case 217:
2546         case 169:
2547         case 153:
2548                 block = "TC_VFETCH";
2549                 break;
2550         case 42:
2551         case 26:
2552         case 106:
2553         case 90:
2554         case 234:
2555         case 218:
2556         case 170:
2557         case 154:
2558                 block = "VC";
2559                 break;
2560         case 112:
2561                 block = "CP";
2562                 break;
2563         case 113:
2564         case 114:
2565                 block = "SH";
2566                 break;
2567         case 115:
2568                 block = "VGT";
2569                 break;
2570         case 178:
2571                 block = "IH";
2572                 break;
2573         case 51:
2574                 block = "RLC";
2575                 break;
2576         case 55:
2577                 block = "DMA";
2578                 break;
2579         case 56:
2580                 block = "HDP";
2581                 break;
2582         default:
2583                 block = "unknown";
2584                 break;
2585         }
2586
2587         printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
2588                protections, vmid, addr,
2589                (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
2590                block, mc_id);
2591 }
2592
2593 /**
2594  * cayman_vm_flush - vm flush using the CP
2595  *
2596  * @rdev: radeon_device pointer
2597  *
2598  * Update the page table base and flush the VM TLB
2599  * using the CP (cayman-si).
2600  */
2601 void cayman_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
2602                      unsigned vm_id, uint64_t pd_addr)
2603 {
2604         radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm_id << 2), 0));
2605         radeon_ring_write(ring, pd_addr >> 12);
2606
2607         /* flush hdp cache */
2608         radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
2609         radeon_ring_write(ring, 0x1);
2610
2611         /* bits 0-7 are the VM contexts0-7 */
2612         radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
2613         radeon_ring_write(ring, 1 << vm_id);
2614
2615         /* wait for the invalidate to complete */
2616         radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
2617         radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) |  /* always */
2618                                  WAIT_REG_MEM_ENGINE(0))); /* me */
2619         radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
2620         radeon_ring_write(ring, 0);
2621         radeon_ring_write(ring, 0); /* ref */
2622         radeon_ring_write(ring, 0); /* mask */
2623         radeon_ring_write(ring, 0x20); /* poll interval */
2624
2625         /* sync PFP to ME, otherwise we might get invalid PFP reads */
2626         radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2627         radeon_ring_write(ring, 0x0);
2628 }
2629
2630 int tn_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk)
2631 {
2632         struct atom_clock_dividers dividers;
2633         int r, i;
2634
2635         r = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
2636                                            ecclk, false, &dividers);
2637         if (r)
2638                 return r;
2639
2640         for (i = 0; i < 100; i++) {
2641                 if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2642                         break;
2643                 mdelay(10);
2644         }
2645         if (i == 100)
2646                 return -ETIMEDOUT;
2647
2648         WREG32_P(CG_ECLK_CNTL, dividers.post_div, ~(ECLK_DIR_CNTL_EN|ECLK_DIVIDER_MASK));
2649
2650         for (i = 0; i < 100; i++) {
2651                 if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2652                         break;
2653                 mdelay(10);
2654         }
2655         if (i == 100)
2656                 return -ETIMEDOUT;
2657
2658         return 0;
2659 }