drivers/gpu/drm/radeon/evergreen.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/platform_device.h>
  26 #include <linux/slab.h>
  27 #include "drmP.h"
  28 #include "radeon.h"
  29 #include "radeon_asic.h"
  30 #include "radeon_drm.h"
  31 #include "evergreend.h"
  32 #include "atom.h"
  33 #include "avivod.h"
  34 #include "evergreen_reg.h"
  35
  36 #define EVERGREEN_PFP_UCODE_SIZE 1120
  37 #define EVERGREEN_PM4_UCODE_SIZE 1376
  38
  39 static void evergreen_gpu_init(struct radeon_device *rdev);
  40 void evergreen_fini(struct radeon_device *rdev);
  41
  42 bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
  43 {
  44         bool connected = false;
  45
  46         switch (hpd) {
  47         case RADEON_HPD_1:
  48                 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
  49                         connected = true;
  50                 break;
  51         case RADEON_HPD_2:
  52                 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
  53                         connected = true;
  54                 break;
  55         case RADEON_HPD_3:
  56                 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
  57                         connected = true;
  58                 break;
  59         case RADEON_HPD_4:
  60                 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
  61                         connected = true;
  62                 break;
  63         case RADEON_HPD_5:
  64                 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
  65                         connected = true;
  66                 break;
  67         case RADEON_HPD_6:
  68                 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
  69                         connected = true;
  70                         break;
  71         default:
  72                 break;
  73         }
  74
  75         return connected;
  76 }
  77
  78 void evergreen_hpd_set_polarity(struct radeon_device *rdev,
  79                                 enum radeon_hpd_id hpd)
  80 {
  81         u32 tmp;
  82         bool connected = evergreen_hpd_sense(rdev, hpd);
  83
  84         switch (hpd) {
  85         case RADEON_HPD_1:
  86                 tmp = RREG32(DC_HPD1_INT_CONTROL);
  87                 if (connected)
  88                         tmp &= ~DC_HPDx_INT_POLARITY;
  89                 else
  90                         tmp |= DC_HPDx_INT_POLARITY;
  91                 WREG32(DC_HPD1_INT_CONTROL, tmp);
  92                 break;
  93         case RADEON_HPD_2:
  94                 tmp = RREG32(DC_HPD2_INT_CONTROL);
  95                 if (connected)
  96                         tmp &= ~DC_HPDx_INT_POLARITY;
  97                 else
  98                         tmp |= DC_HPDx_INT_POLARITY;
  99                 WREG32(DC_HPD2_INT_CONTROL, tmp);
 100                 break;
 101         case RADEON_HPD_3:
 102                 tmp = RREG32(DC_HPD3_INT_CONTROL);
 103                 if (connected)
 104                         tmp &= ~DC_HPDx_INT_POLARITY;
 105                 else
 106                         tmp |= DC_HPDx_INT_POLARITY;
 107                 WREG32(DC_HPD3_INT_CONTROL, tmp);
 108                 break;
 109         case RADEON_HPD_4:
 110                 tmp = RREG32(DC_HPD4_INT_CONTROL);
 111                 if (connected)
 112                         tmp &= ~DC_HPDx_INT_POLARITY;
 113                 else
 114                         tmp |= DC_HPDx_INT_POLARITY;
 115                 WREG32(DC_HPD4_INT_CONTROL, tmp);
 116                 break;
 117         case RADEON_HPD_5:
 118                 tmp = RREG32(DC_HPD5_INT_CONTROL);
 119                 if (connected)
 120                         tmp &= ~DC_HPDx_INT_POLARITY;
 121                 else
 122                         tmp |= DC_HPDx_INT_POLARITY;
 123                 WREG32(DC_HPD5_INT_CONTROL, tmp);
 124                         break;
 125         case RADEON_HPD_6:
 126                 tmp = RREG32(DC_HPD6_INT_CONTROL);
 127                 if (connected)
 128                         tmp &= ~DC_HPDx_INT_POLARITY;
 129                 else
 130                         tmp |= DC_HPDx_INT_POLARITY;
 131                 WREG32(DC_HPD6_INT_CONTROL, tmp);
 132                 break;
 133         default:
 134                 break;
 135         }
 136 }
 137
 138 void evergreen_hpd_init(struct radeon_device *rdev)
 139 {
 140         struct drm_device *dev = rdev->ddev;
 141         struct drm_connector *connector;
 142         u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) |
 143                 DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN;
 144
 145         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 146                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 147                 switch (radeon_connector->hpd.hpd) {
 148                 case RADEON_HPD_1:
 149                         WREG32(DC_HPD1_CONTROL, tmp);
 150                         rdev->irq.hpd[0] = true;
 151                         break;
 152                 case RADEON_HPD_2:
 153                         WREG32(DC_HPD2_CONTROL, tmp);
 154                         rdev->irq.hpd[1] = true;
 155                         break;
 156                 case RADEON_HPD_3:
 157                         WREG32(DC_HPD3_CONTROL, tmp);
 158                         rdev->irq.hpd[2] = true;
 159                         break;
 160                 case RADEON_HPD_4:
 161                         WREG32(DC_HPD4_CONTROL, tmp);
 162                         rdev->irq.hpd[3] = true;
 163                         break;
 164                 case RADEON_HPD_5:
 165                         WREG32(DC_HPD5_CONTROL, tmp);
 166                         rdev->irq.hpd[4] = true;
 167                         break;
 168                 case RADEON_HPD_6:
 169                         WREG32(DC_HPD6_CONTROL, tmp);
 170                         rdev->irq.hpd[5] = true;
 171                         break;
 172                 default:
 173                         break;
 174                 }
 175         }
 176         if (rdev->irq.installed)
 177                 evergreen_irq_set(rdev);
 178 }
 179
 180 void evergreen_hpd_fini(struct radeon_device *rdev)
 181 {
 182         struct drm_device *dev = rdev->ddev;
 183         struct drm_connector *connector;
 184
 185         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 186                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 187                 switch (radeon_connector->hpd.hpd) {
 188                 case RADEON_HPD_1:
 189                         WREG32(DC_HPD1_CONTROL, 0);
 190                         rdev->irq.hpd[0] = false;
 191                         break;
 192                 case RADEON_HPD_2:
 193                         WREG32(DC_HPD2_CONTROL, 0);
 194                         rdev->irq.hpd[1] = false;
 195                         break;
 196                 case RADEON_HPD_3:
 197                         WREG32(DC_HPD3_CONTROL, 0);
 198                         rdev->irq.hpd[2] = false;
 199                         break;
 200                 case RADEON_HPD_4:
 201                         WREG32(DC_HPD4_CONTROL, 0);
 202                         rdev->irq.hpd[3] = false;
 203                         break;
 204                 case RADEON_HPD_5:
 205                         WREG32(DC_HPD5_CONTROL, 0);
 206                         rdev->irq.hpd[4] = false;
 207                         break;
 208                 case RADEON_HPD_6:
 209                         WREG32(DC_HPD6_CONTROL, 0);
 210                         rdev->irq.hpd[5] = false;
 211                         break;
 212                 default:
 213                         break;
 214                 }
 215         }
 216 }
 217
 218 void evergreen_bandwidth_update(struct radeon_device *rdev)
 219 {
 220         /* XXX */
 221 }
 222
 223 static int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
 224 {
 225         unsigned i;
 226         u32 tmp;
 227
 228         for (i = 0; i < rdev->usec_timeout; i++) {
 229                 /* read MC_STATUS */
 230                 tmp = RREG32(SRBM_STATUS) & 0x1F00;
 231                 if (!tmp)
 232                         return 0;
 233                 udelay(1);
 234         }
 235         return -1;
 236 }
 237
 238 /*
 239  * GART
 240  */
 241 void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev)
 242 {
 243         unsigned i;
 244         u32 tmp;
 245
 246         WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
 247         for (i = 0; i < rdev->usec_timeout; i++) {
 248                 /* read MC_STATUS */
 249                 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
 250                 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
 251                 if (tmp == 2) {
 252                         printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
 253                         return;
 254                 }
 255                 if (tmp) {
 256                         return;
 257                 }
 258                 udelay(1);
 259         }
 260 }
 261
 262 int evergreen_pcie_gart_enable(struct radeon_device *rdev)
 263 {
 264         u32 tmp;
 265         int r;
 266
 267         if (rdev->gart.table.vram.robj == NULL) {
 268                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 269                 return -EINVAL;
 270         }
 271         r = radeon_gart_table_vram_pin(rdev);
 272         if (r)
 273                 return r;
 274         radeon_gart_restore(rdev);
 275         /* Setup L2 cache */
 276         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 277                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 278                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 279         WREG32(VM_L2_CNTL2, 0);
 280         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 281         /* Setup TLB control */
 282         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
 283                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
 284                 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
 285                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 286         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 287         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 288         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 289         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 290         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 291         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 292         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 293         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
 294         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
 295         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
 296         WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
 297                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
 298         WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
 299                         (u32)(rdev->dummy_page.addr >> 12));
 300         WREG32(VM_CONTEXT1_CNTL, 0);
 301
 302         evergreen_pcie_gart_tlb_flush(rdev);
 303         rdev->gart.ready = true;
 304         return 0;
 305 }
 306
 307 void evergreen_pcie_gart_disable(struct radeon_device *rdev)
 308 {
 309         u32 tmp;
 310         int r;
 311
 312         /* Disable all tables */
 313         WREG32(VM_CONTEXT0_CNTL, 0);
 314         WREG32(VM_CONTEXT1_CNTL, 0);
 315
 316         /* Setup L2 cache */
 317         WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
 318                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 319         WREG32(VM_L2_CNTL2, 0);
 320         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 321         /* Setup TLB control */
 322         tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 323         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 324         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 325         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 326         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 327         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 328         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 329         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 330         if (rdev->gart.table.vram.robj) {
 331                 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
 332                 if (likely(r == 0)) {
 333                         radeon_bo_kunmap(rdev->gart.table.vram.robj);
 334                         radeon_bo_unpin(rdev->gart.table.vram.robj);
 335                         radeon_bo_unreserve(rdev->gart.table.vram.robj);
 336                 }
 337         }
 338 }
 339
 340 void evergreen_pcie_gart_fini(struct radeon_device *rdev)
 341 {
 342         evergreen_pcie_gart_disable(rdev);
 343         radeon_gart_table_vram_free(rdev);
 344         radeon_gart_fini(rdev);
 345 }
 346
 347
 348 void evergreen_agp_enable(struct radeon_device *rdev)
 349 {
 350         u32 tmp;
 351
 352         /* Setup L2 cache */
 353         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 354                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 355                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 356         WREG32(VM_L2_CNTL2, 0);
 357         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 358         /* Setup TLB control */
 359         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
 360                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
 361                 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
 362                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 363         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 364         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 365         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 366         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 367         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 368         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 369         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 370         WREG32(VM_CONTEXT0_CNTL, 0);
 371         WREG32(VM_CONTEXT1_CNTL, 0);
 372 }
 373
 374 static void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
 375 {
 376         save->vga_control[0] = RREG32(D1VGA_CONTROL);
 377         save->vga_control[1] = RREG32(D2VGA_CONTROL);
 378         save->vga_control[2] = RREG32(EVERGREEN_D3VGA_CONTROL);
 379         save->vga_control[3] = RREG32(EVERGREEN_D4VGA_CONTROL);
 380         save->vga_control[4] = RREG32(EVERGREEN_D5VGA_CONTROL);
 381         save->vga_control[5] = RREG32(EVERGREEN_D6VGA_CONTROL);
 382         save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
 383         save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
 384         save->crtc_control[0] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET);
 385         save->crtc_control[1] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
 386         save->crtc_control[2] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET);
 387         save->crtc_control[3] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
 388         save->crtc_control[4] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET);
 389         save->crtc_control[5] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
 390
 391         /* Stop all video */
 392         WREG32(VGA_RENDER_CONTROL, 0);
 393         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
 394         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
 395         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
 396         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
 397         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
 398         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
 399         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 400         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
 401         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
 402         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
 403         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
 404         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
 405         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 406         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
 407         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
 408         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
 409         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
 410         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
 411
 412         WREG32(D1VGA_CONTROL, 0);
 413         WREG32(D2VGA_CONTROL, 0);
 414         WREG32(EVERGREEN_D3VGA_CONTROL, 0);
 415         WREG32(EVERGREEN_D4VGA_CONTROL, 0);
 416         WREG32(EVERGREEN_D5VGA_CONTROL, 0);
 417         WREG32(EVERGREEN_D6VGA_CONTROL, 0);
 418 }
 419
 420 static void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
 421 {
 422         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
 423                upper_32_bits(rdev->mc.vram_start));
 424         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
 425                upper_32_bits(rdev->mc.vram_start));
 426         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
 427                (u32)rdev->mc.vram_start);
 428         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
 429                (u32)rdev->mc.vram_start);
 430
 431         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
 432                upper_32_bits(rdev->mc.vram_start));
 433         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
 434                upper_32_bits(rdev->mc.vram_start));
 435         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
 436                (u32)rdev->mc.vram_start);
 437         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
 438                (u32)rdev->mc.vram_start);
 439
 440         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
 441                upper_32_bits(rdev->mc.vram_start));
 442         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
 443                upper_32_bits(rdev->mc.vram_start));
 444         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
 445                (u32)rdev->mc.vram_start);
 446         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
 447                (u32)rdev->mc.vram_start);
 448
 449         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
 450                upper_32_bits(rdev->mc.vram_start));
 451         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
 452                upper_32_bits(rdev->mc.vram_start));
 453         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
 454                (u32)rdev->mc.vram_start);
 455         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
 456                (u32)rdev->mc.vram_start);
 457
 458         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
 459                upper_32_bits(rdev->mc.vram_start));
 460         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
 461                upper_32_bits(rdev->mc.vram_start));
 462         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
 463                (u32)rdev->mc.vram_start);
 464         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
 465                (u32)rdev->mc.vram_start);
 466
 467         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
 468                upper_32_bits(rdev->mc.vram_start));
 469         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
 470                upper_32_bits(rdev->mc.vram_start));
 471         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
 472                (u32)rdev->mc.vram_start);
 473         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
 474                (u32)rdev->mc.vram_start);
 475
 476         WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
 477         WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
 478         /* Unlock host access */
 479         WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
 480         mdelay(1);
 481         /* Restore video state */
 482         WREG32(D1VGA_CONTROL, save->vga_control[0]);
 483         WREG32(D2VGA_CONTROL, save->vga_control[1]);
 484         WREG32(EVERGREEN_D3VGA_CONTROL, save->vga_control[2]);
 485         WREG32(EVERGREEN_D4VGA_CONTROL, save->vga_control[3]);
 486         WREG32(EVERGREEN_D5VGA_CONTROL, save->vga_control[4]);
 487         WREG32(EVERGREEN_D6VGA_CONTROL, save->vga_control[5]);
 488         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
 489         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
 490         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
 491         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
 492         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
 493         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
 494         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, save->crtc_control[0]);
 495         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, save->crtc_control[1]);
 496         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, save->crtc_control[2]);
 497         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, save->crtc_control[3]);
 498         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, save->crtc_control[4]);
 499         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, save->crtc_control[5]);
 500         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 501         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
 502         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
 503         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
 504         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
 505         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
 506         WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
 507 }
 508
 509 static void evergreen_mc_program(struct radeon_device *rdev)
 510 {
 511         struct evergreen_mc_save save;
 512         u32 tmp;
 513         int i, j;
 514
 515         /* Initialize HDP */
 516         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
 517                 WREG32((0x2c14 + j), 0x00000000);
 518                 WREG32((0x2c18 + j), 0x00000000);
 519                 WREG32((0x2c1c + j), 0x00000000);
 520                 WREG32((0x2c20 + j), 0x00000000);
 521                 WREG32((0x2c24 + j), 0x00000000);
 522         }
 523         WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
 524
 525         evergreen_mc_stop(rdev, &save);
 526         if (evergreen_mc_wait_for_idle(rdev)) {
 527                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
 528         }
 529         /* Lockout access through VGA aperture*/
 530         WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
 531         /* Update configuration */
 532         if (rdev->flags & RADEON_IS_AGP) {
 533                 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
 534                         /* VRAM before AGP */
 535                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 536                                 rdev->mc.vram_start >> 12);
 537                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 538                                 rdev->mc.gtt_end >> 12);
 539                 } else {
 540                         /* VRAM after AGP */
 541                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 542                                 rdev->mc.gtt_start >> 12);
 543                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 544                                 rdev->mc.vram_end >> 12);
 545                 }
 546         } else {
 547                 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 548                         rdev->mc.vram_start >> 12);
 549                 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 550                         rdev->mc.vram_end >> 12);
 551         }
 552         WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
 553         tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
 554         tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
 555         WREG32(MC_VM_FB_LOCATION, tmp);
 556         WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
 557         WREG32(HDP_NONSURFACE_INFO, (2 << 7));
 558         WREG32(HDP_NONSURFACE_SIZE, (rdev->mc.mc_vram_size - 1) | 0x3FF);
 559         if (rdev->flags & RADEON_IS_AGP) {
 560                 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
 561                 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
 562                 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
 563         } else {
 564                 WREG32(MC_VM_AGP_BASE, 0);
 565                 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
 566                 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
 567         }
 568         if (evergreen_mc_wait_for_idle(rdev)) {
 569                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
 570         }
 571         evergreen_mc_resume(rdev, &save);
 572         /* we need to own VRAM, so turn off the VGA renderer here
 573          * to stop it overwriting our objects */
 574         rv515_vga_render_disable(rdev);
 575 }
 576
 577 /*
 578  * CP.
 579  */
 580
 581 static int evergreen_cp_load_microcode(struct radeon_device *rdev)
 582 {
 583         const __be32 *fw_data;
 584         int i;
 585
 586         if (!rdev->me_fw || !rdev->pfp_fw)
 587                 return -EINVAL;
 588
 589         r700_cp_stop(rdev);
 590         WREG32(CP_RB_CNTL, RB_NO_UPDATE | (15 << 8) | (3 << 0));
 591
 592         fw_data = (const __be32 *)rdev->pfp_fw->data;
 593         WREG32(CP_PFP_UCODE_ADDR, 0);
 594         for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++)
 595                 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
 596         WREG32(CP_PFP_UCODE_ADDR, 0);
 597
 598         fw_data = (const __be32 *)rdev->me_fw->data;
 599         WREG32(CP_ME_RAM_WADDR, 0);
 600         for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++)
 601                 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
 602
 603         WREG32(CP_PFP_UCODE_ADDR, 0);
 604         WREG32(CP_ME_RAM_WADDR, 0);
 605         WREG32(CP_ME_RAM_RADDR, 0);
 606         return 0;
 607 }
 608
 609 int evergreen_cp_resume(struct radeon_device *rdev)
 610 {
 611         u32 tmp;
 612         u32 rb_bufsz;
 613         int r;
 614
 615         /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
 616         WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
 617                                  SOFT_RESET_PA |
 618                                  SOFT_RESET_SH |
 619                                  SOFT_RESET_VGT |
 620                                  SOFT_RESET_SX));
 621         RREG32(GRBM_SOFT_RESET);
 622         mdelay(15);
 623         WREG32(GRBM_SOFT_RESET, 0);
 624         RREG32(GRBM_SOFT_RESET);
 625
 626         /* Set ring buffer size */
 627         rb_bufsz = drm_order(rdev->cp.ring_size / 8);
 628         tmp = RB_NO_UPDATE | (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
 629 #ifdef __BIG_ENDIAN
 630         tmp |= BUF_SWAP_32BIT;
 631 #endif
 632         WREG32(CP_RB_CNTL, tmp);
 633         WREG32(CP_SEM_WAIT_TIMER, 0x4);
 634
 635         /* Set the write pointer delay */
 636         WREG32(CP_RB_WPTR_DELAY, 0);
 637
 638         /* Initialize the ring buffer's read and write pointers */
 639         WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
 640         WREG32(CP_RB_RPTR_WR, 0);
 641         WREG32(CP_RB_WPTR, 0);
 642         WREG32(CP_RB_RPTR_ADDR, rdev->cp.gpu_addr & 0xFFFFFFFF);
 643         WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->cp.gpu_addr));
 644         mdelay(1);
 645         WREG32(CP_RB_CNTL, tmp);
 646
 647         WREG32(CP_RB_BASE, rdev->cp.gpu_addr >> 8);
 648         WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
 649
 650         rdev->cp.rptr = RREG32(CP_RB_RPTR);
 651         rdev->cp.wptr = RREG32(CP_RB_WPTR);
 652
 653         r600_cp_start(rdev);
 654         rdev->cp.ready = true;
 655         r = radeon_ring_test(rdev);
 656         if (r) {
 657                 rdev->cp.ready = false;
 658                 return r;
 659         }
 660         return 0;
 661 }
 662
 663 /*
 664  * Core functions
 665  */
 666 static u32 evergreen_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
 667                                                   u32 num_tile_pipes,
 668                                                   u32 num_backends,
 669                                                   u32 backend_disable_mask)
 670 {
 671         u32 backend_map = 0;
 672         u32 enabled_backends_mask = 0;
 673         u32 enabled_backends_count = 0;
 674         u32 cur_pipe;
 675         u32 swizzle_pipe[EVERGREEN_MAX_PIPES];
 676         u32 cur_backend = 0;
 677         u32 i;
 678         bool force_no_swizzle;
 679
 680         if (num_tile_pipes > EVERGREEN_MAX_PIPES)
 681                 num_tile_pipes = EVERGREEN_MAX_PIPES;
 682         if (num_tile_pipes < 1)
 683                 num_tile_pipes = 1;
 684         if (num_backends > EVERGREEN_MAX_BACKENDS)
 685                 num_backends = EVERGREEN_MAX_BACKENDS;
 686         if (num_backends < 1)
 687                 num_backends = 1;
 688
 689         for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) {
 690                 if (((backend_disable_mask >> i) & 1) == 0) {
 691                         enabled_backends_mask |= (1 << i);
 692                         ++enabled_backends_count;
 693                 }
 694                 if (enabled_backends_count == num_backends)
 695                         break;
 696         }
 697
 698         if (enabled_backends_count == 0) {
 699                 enabled_backends_mask = 1;
 700                 enabled_backends_count = 1;
 701         }
 702
 703         if (enabled_backends_count != num_backends)
 704                 num_backends = enabled_backends_count;
 705
 706         memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * EVERGREEN_MAX_PIPES);
 707         switch (rdev->family) {
 708         case CHIP_CEDAR:
 709         case CHIP_REDWOOD:
 710                 force_no_swizzle = false;
 711                 break;
 712         case CHIP_CYPRESS:
 713         case CHIP_HEMLOCK:
 714         case CHIP_JUNIPER:
 715         default:
 716                 force_no_swizzle = true;
 717                 break;
 718         }
 719         if (force_no_swizzle) {
 720                 bool last_backend_enabled = false;
 721
 722                 force_no_swizzle = false;
 723                 for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) {
 724                         if (((enabled_backends_mask >> i) & 1) == 1) {
 725                                 if (last_backend_enabled)
 726                                         force_no_swizzle = true;
 727                                 last_backend_enabled = true;
 728                         } else
 729                                 last_backend_enabled = false;
 730                 }
 731         }
 732
 733         switch (num_tile_pipes) {
 734         case 1:
 735         case 3:
 736         case 5:
 737         case 7:
 738                 DRM_ERROR("odd number of pipes!\n");
 739                 break;
 740         case 2:
 741                 swizzle_pipe[0] = 0;
 742                 swizzle_pipe[1] = 1;
 743                 break;
 744         case 4:
 745                 if (force_no_swizzle) {
 746                         swizzle_pipe[0] = 0;
 747                         swizzle_pipe[1] = 1;
 748                         swizzle_pipe[2] = 2;
 749                         swizzle_pipe[3] = 3;
 750                 } else {
 751                         swizzle_pipe[0] = 0;
 752                         swizzle_pipe[1] = 2;
 753                         swizzle_pipe[2] = 1;
 754                         swizzle_pipe[3] = 3;
 755                 }
 756                 break;
 757         case 6:
 758                 if (force_no_swizzle) {
 759                         swizzle_pipe[0] = 0;
 760                         swizzle_pipe[1] = 1;
 761                         swizzle_pipe[2] = 2;
 762                         swizzle_pipe[3] = 3;
 763                         swizzle_pipe[4] = 4;
 764                         swizzle_pipe[5] = 5;
 765                 } else {
 766                         swizzle_pipe[0] = 0;
 767                         swizzle_pipe[1] = 2;
 768                         swizzle_pipe[2] = 4;
 769                         swizzle_pipe[3] = 1;
 770                         swizzle_pipe[4] = 3;
 771                         swizzle_pipe[5] = 5;
 772                 }
 773                 break;
 774         case 8:
 775                 if (force_no_swizzle) {
 776                         swizzle_pipe[0] = 0;
 777                         swizzle_pipe[1] = 1;
 778                         swizzle_pipe[2] = 2;
 779                         swizzle_pipe[3] = 3;
 780                         swizzle_pipe[4] = 4;
 781                         swizzle_pipe[5] = 5;
 782                         swizzle_pipe[6] = 6;
 783                         swizzle_pipe[7] = 7;
 784                 } else {
 785                         swizzle_pipe[0] = 0;
 786                         swizzle_pipe[1] = 2;
 787                         swizzle_pipe[2] = 4;
 788                         swizzle_pipe[3] = 6;
 789                         swizzle_pipe[4] = 1;
 790                         swizzle_pipe[5] = 3;
 791                         swizzle_pipe[6] = 5;
 792                         swizzle_pipe[7] = 7;
 793                 }
 794                 break;
 795         }
 796
 797         for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
 798                 while (((1 << cur_backend) & enabled_backends_mask) == 0)
 799                         cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS;
 800
 801                 backend_map |= (((cur_backend & 0xf) << (swizzle_pipe[cur_pipe] * 4)));
 802
 803                 cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS;
 804         }
 805
 806         return backend_map;
 807 }
 808
 809 static void evergreen_gpu_init(struct radeon_device *rdev)
 810 {
 811         u32 cc_rb_backend_disable = 0;
 812         u32 cc_gc_shader_pipe_config;
 813         u32 gb_addr_config = 0;
 814         u32 mc_shared_chmap, mc_arb_ramcfg;
 815         u32 gb_backend_map;
 816         u32 grbm_gfx_index;
 817         u32 sx_debug_1;
 818         u32 smx_dc_ctl0;
 819         u32 sq_config;
 820         u32 sq_lds_resource_mgmt;
 821         u32 sq_gpr_resource_mgmt_1;
 822         u32 sq_gpr_resource_mgmt_2;
 823         u32 sq_gpr_resource_mgmt_3;
 824         u32 sq_thread_resource_mgmt;
 825         u32 sq_thread_resource_mgmt_2;
 826         u32 sq_stack_resource_mgmt_1;
 827         u32 sq_stack_resource_mgmt_2;
 828         u32 sq_stack_resource_mgmt_3;
 829         u32 vgt_cache_invalidation;
 830         u32 hdp_host_path_cntl;
 831         int i, j, num_shader_engines, ps_thread_count;
 832
 833         switch (rdev->family) {
 834         case CHIP_CYPRESS:
 835         case CHIP_HEMLOCK:
 836                 rdev->config.evergreen.num_ses = 2;
 837                 rdev->config.evergreen.max_pipes = 4;
 838                 rdev->config.evergreen.max_tile_pipes = 8;
 839                 rdev->config.evergreen.max_simds = 10;
 840                 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
 841                 rdev->config.evergreen.max_gprs = 256;
 842                 rdev->config.evergreen.max_threads = 248;
 843                 rdev->config.evergreen.max_gs_threads = 32;
 844                 rdev->config.evergreen.max_stack_entries = 512;
 845                 rdev->config.evergreen.sx_num_of_sets = 4;
 846                 rdev->config.evergreen.sx_max_export_size = 256;
 847                 rdev->config.evergreen.sx_max_export_pos_size = 64;
 848                 rdev->config.evergreen.sx_max_export_smx_size = 192;
 849                 rdev->config.evergreen.max_hw_contexts = 8;
 850                 rdev->config.evergreen.sq_num_cf_insts = 2;
 851
 852                 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
 853                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
 854                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
 855                 break;
 856         case CHIP_JUNIPER:
 857                 rdev->config.evergreen.num_ses = 1;
 858                 rdev->config.evergreen.max_pipes = 4;
 859                 rdev->config.evergreen.max_tile_pipes = 4;
 860                 rdev->config.evergreen.max_simds = 10;
 861                 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
 862                 rdev->config.evergreen.max_gprs = 256;
 863                 rdev->config.evergreen.max_threads = 248;
 864                 rdev->config.evergreen.max_gs_threads = 32;
 865                 rdev->config.evergreen.max_stack_entries = 512;
 866                 rdev->config.evergreen.sx_num_of_sets = 4;
 867                 rdev->config.evergreen.sx_max_export_size = 256;
 868                 rdev->config.evergreen.sx_max_export_pos_size = 64;
 869                 rdev->config.evergreen.sx_max_export_smx_size = 192;
 870                 rdev->config.evergreen.max_hw_contexts = 8;
 871                 rdev->config.evergreen.sq_num_cf_insts = 2;
 872
 873                 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
 874                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
 875                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
 876                 break;
 877         case CHIP_REDWOOD:
 878                 rdev->config.evergreen.num_ses = 1;
 879                 rdev->config.evergreen.max_pipes = 4;
 880                 rdev->config.evergreen.max_tile_pipes = 4;
 881                 rdev->config.evergreen.max_simds = 5;
 882                 rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
 883                 rdev->config.evergreen.max_gprs = 256;
 884                 rdev->config.evergreen.max_threads = 248;
 885                 rdev->config.evergreen.max_gs_threads = 32;
 886                 rdev->config.evergreen.max_stack_entries = 256;
 887                 rdev->config.evergreen.sx_num_of_sets = 4;
 888                 rdev->config.evergreen.sx_max_export_size = 256;
 889                 rdev->config.evergreen.sx_max_export_pos_size = 64;
 890                 rdev->config.evergreen.sx_max_export_smx_size = 192;
 891                 rdev->config.evergreen.max_hw_contexts = 8;
 892                 rdev->config.evergreen.sq_num_cf_insts = 2;
 893
 894                 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
 895                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
 896                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
 897                 break;
 898         case CHIP_CEDAR:
 899         default:
 900                 rdev->config.evergreen.num_ses = 1;
 901                 rdev->config.evergreen.max_pipes = 2;
 902                 rdev->config.evergreen.max_tile_pipes = 2;
 903                 rdev->config.evergreen.max_simds = 2;
 904                 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
 905                 rdev->config.evergreen.max_gprs = 256;
 906                 rdev->config.evergreen.max_threads = 192;
 907                 rdev->config.evergreen.max_gs_threads = 16;
 908                 rdev->config.evergreen.max_stack_entries = 256;
 909                 rdev->config.evergreen.sx_num_of_sets = 4;
 910                 rdev->config.evergreen.sx_max_export_size = 128;
 911                 rdev->config.evergreen.sx_max_export_pos_size = 32;
 912                 rdev->config.evergreen.sx_max_export_smx_size = 96;
 913                 rdev->config.evergreen.max_hw_contexts = 4;
 914                 rdev->config.evergreen.sq_num_cf_insts = 1;
 915
 916                 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
 917                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
 918                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
 919                 break;
 920         }
 921
 922         /* Initialize HDP */
 923         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
 924                 WREG32((0x2c14 + j), 0x00000000);
 925                 WREG32((0x2c18 + j), 0x00000000);
 926                 WREG32((0x2c1c + j), 0x00000000);
 927                 WREG32((0x2c20 + j), 0x00000000);
 928                 WREG32((0x2c24 + j), 0x00000000);
 929         }
 930
 931         WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
 932
 933         cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & ~2;
 934
 935         cc_gc_shader_pipe_config |=
 936                 INACTIVE_QD_PIPES((EVERGREEN_MAX_PIPES_MASK << rdev->config.evergreen.max_pipes)
 937                                   & EVERGREEN_MAX_PIPES_MASK);
 938         cc_gc_shader_pipe_config |=
 939                 INACTIVE_SIMDS((EVERGREEN_MAX_SIMDS_MASK << rdev->config.evergreen.max_simds)
 940                                & EVERGREEN_MAX_SIMDS_MASK);
 941
 942         cc_rb_backend_disable =
 943                 BACKEND_DISABLE((EVERGREEN_MAX_BACKENDS_MASK << rdev->config.evergreen.max_backends)
 944                                 & EVERGREEN_MAX_BACKENDS_MASK);
 945
 946
 947         mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
 948         mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
 949
 950         switch (rdev->config.evergreen.max_tile_pipes) {
 951         case 1:
 952         default:
 953                 gb_addr_config |= NUM_PIPES(0);
 954                 break;
 955         case 2:
 956                 gb_addr_config |= NUM_PIPES(1);
 957                 break;
 958         case 4:
 959                 gb_addr_config |= NUM_PIPES(2);
 960                 break;
 961         case 8:
 962                 gb_addr_config |= NUM_PIPES(3);
 963                 break;
 964         }
 965
 966         gb_addr_config |= PIPE_INTERLEAVE_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
 967         gb_addr_config |= BANK_INTERLEAVE_SIZE(0);
 968         gb_addr_config |= NUM_SHADER_ENGINES(rdev->config.evergreen.num_ses - 1);
 969         gb_addr_config |= SHADER_ENGINE_TILE_SIZE(1);
 970         gb_addr_config |= NUM_GPUS(0); /* Hemlock? */
 971         gb_addr_config |= MULTI_GPU_TILE_SIZE(2);
 972
 973         if (((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT) > 2)
 974                 gb_addr_config |= ROW_SIZE(2);
 975         else
 976                 gb_addr_config |= ROW_SIZE((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT);
 977
 978         if (rdev->ddev->pdev->device == 0x689e) {
 979                 u32 efuse_straps_4;
 980                 u32 efuse_straps_3;
 981                 u8 efuse_box_bit_131_124;
 982
 983                 WREG32(RCU_IND_INDEX, 0x204);
 984                 efuse_straps_4 = RREG32(RCU_IND_DATA);
 985                 WREG32(RCU_IND_INDEX, 0x203);
 986                 efuse_straps_3 = RREG32(RCU_IND_DATA);
 987                 efuse_box_bit_131_124 = (u8)(((efuse_straps_4 & 0xf) << 4) | ((efuse_straps_3 & 0xf0000000) >> 28));
 988
 989                 switch(efuse_box_bit_131_124) {
 990                 case 0x00:
 991                         gb_backend_map = 0x76543210;
 992                         break;
 993                 case 0x55:
 994                         gb_backend_map = 0x77553311;
 995                         break;
 996                 case 0x56:
 997                         gb_backend_map = 0x77553300;
 998                         break;
 999                 case 0x59:
1000                         gb_backend_map = 0x77552211;
1001                         break;
1002                 case 0x66:
1003                         gb_backend_map = 0x77443300;
1004                         break;
1005                 case 0x99:
1006                         gb_backend_map = 0x66552211;
1007                         break;
1008                 case 0x5a:
1009                         gb_backend_map = 0x77552200;
1010                         break;
1011                 case 0xaa:
1012                         gb_backend_map = 0x66442200;
1013                         break;
1014                 case 0x95:
1015                         gb_backend_map = 0x66553311;
1016                         break;
1017                 default:
1018                         DRM_ERROR("bad backend map, using default\n");
1019                         gb_backend_map =
1020                                 evergreen_get_tile_pipe_to_backend_map(rdev,
1021                                                                        rdev->config.evergreen.max_tile_pipes,
1022                                                                        rdev->config.evergreen.max_backends,
1023                                                                        ((EVERGREEN_MAX_BACKENDS_MASK <<
1024                                                                    rdev->config.evergreen.max_backends) &
1025                                                                         EVERGREEN_MAX_BACKENDS_MASK));
1026                         break;
1027                 }
1028         } else if (rdev->ddev->pdev->device == 0x68b9) {
1029                 u32 efuse_straps_3;
1030                 u8 efuse_box_bit_127_124;
1031
1032                 WREG32(RCU_IND_INDEX, 0x203);
1033                 efuse_straps_3 = RREG32(RCU_IND_DATA);
1034                 efuse_box_bit_127_124 = (u8)(efuse_straps_3 & 0xF0000000) >> 28;
1035
1036                 switch(efuse_box_bit_127_124) {
1037                 case 0x0:
1038                         gb_backend_map = 0x00003210;
1039                         break;
1040                 case 0x5:
1041                 case 0x6:
1042                 case 0x9:
1043                 case 0xa:
1044                         gb_backend_map = 0x00003311;
1045                         break;
1046                 default:
1047                         DRM_ERROR("bad backend map, using default\n");
1048                         gb_backend_map =
1049                                 evergreen_get_tile_pipe_to_backend_map(rdev,
1050                                                                        rdev->config.evergreen.max_tile_pipes,
1051                                                                        rdev->config.evergreen.max_backends,
1052                                                                        ((EVERGREEN_MAX_BACKENDS_MASK <<
1053                                                                    rdev->config.evergreen.max_backends) &
1054                                                                         EVERGREEN_MAX_BACKENDS_MASK));
1055                         break;
1056                 }
1057         } else
1058                 gb_backend_map =
1059                         evergreen_get_tile_pipe_to_backend_map(rdev,
1060                                                                rdev->config.evergreen.max_tile_pipes,
1061                                                                rdev->config.evergreen.max_backends,
1062                                                                ((EVERGREEN_MAX_BACKENDS_MASK <<
1063                                                                  rdev->config.evergreen.max_backends) &
1064                                                                 EVERGREEN_MAX_BACKENDS_MASK));
1065
1066         WREG32(GB_BACKEND_MAP, gb_backend_map);
1067         WREG32(GB_ADDR_CONFIG, gb_addr_config);
1068         WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1069         WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1070
1071         num_shader_engines = ((RREG32(GB_ADDR_CONFIG) & NUM_SHADER_ENGINES(3)) >> 12) + 1;
1072         grbm_gfx_index = INSTANCE_BROADCAST_WRITES;
1073
1074         for (i = 0; i < rdev->config.evergreen.num_ses; i++) {
1075                 u32 rb = cc_rb_backend_disable | (0xf0 << 16);
1076                 u32 sp = cc_gc_shader_pipe_config;
1077                 u32 gfx = grbm_gfx_index | SE_INDEX(i);
1078
1079                 if (i == num_shader_engines) {
1080                         rb |= BACKEND_DISABLE(EVERGREEN_MAX_BACKENDS_MASK);
1081                         sp |= INACTIVE_SIMDS(EVERGREEN_MAX_SIMDS_MASK);
1082                 }
1083
1084                 WREG32(GRBM_GFX_INDEX, gfx);
1085                 WREG32(RLC_GFX_INDEX, gfx);
1086
1087                 WREG32(CC_RB_BACKEND_DISABLE, rb);
1088                 WREG32(CC_SYS_RB_BACKEND_DISABLE, rb);
1089                 WREG32(GC_USER_RB_BACKEND_DISABLE, rb);
1090                 WREG32(CC_GC_SHADER_PIPE_CONFIG, sp);
1091         }
1092
1093         grbm_gfx_index |= SE_BROADCAST_WRITES;
1094         WREG32(GRBM_GFX_INDEX, grbm_gfx_index);
1095         WREG32(RLC_GFX_INDEX, grbm_gfx_index);
1096
1097         WREG32(CGTS_SYS_TCC_DISABLE, 0);
1098         WREG32(CGTS_TCC_DISABLE, 0);
1099         WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
1100         WREG32(CGTS_USER_TCC_DISABLE, 0);
1101
1102         /* set HW defaults for 3D engine */
1103         WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
1104                                      ROQ_IB2_START(0x2b)));
1105
1106         WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
1107
1108         WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
1109                              SYNC_GRADIENT |
1110                              SYNC_WALKER |
1111                              SYNC_ALIGNER));
1112
1113         sx_debug_1 = RREG32(SX_DEBUG_1);
1114         sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1115         WREG32(SX_DEBUG_1, sx_debug_1);
1116
1117
1118         smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1119         smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1120         smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
1121         WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1122
1123         WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
1124                                         POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
1125                                         SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
1126
1127         WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
1128                                  SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
1129                                  SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));
1130
1131         WREG32(VGT_NUM_INSTANCES, 1);
1132         WREG32(SPI_CONFIG_CNTL, 0);
1133         WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
1134         WREG32(CP_PERFMON_CNTL, 0);
1135
1136         WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
1137                                   FETCH_FIFO_HIWATER(0x4) |
1138                                   DONE_FIFO_HIWATER(0xe0) |
1139                                   ALU_UPDATE_FIFO_HIWATER(0x8)));
1140
1141         sq_config = RREG32(SQ_CONFIG);
1142         sq_config &= ~(PS_PRIO(3) |
1143                        VS_PRIO(3) |
1144                        GS_PRIO(3) |
1145                        ES_PRIO(3));
1146         sq_config |= (VC_ENABLE |
1147                       EXPORT_SRC_C |
1148                       PS_PRIO(0) |
1149                       VS_PRIO(1) |
1150                       GS_PRIO(2) |
1151                       ES_PRIO(3));
1152
1153         if (rdev->family == CHIP_CEDAR)
1154                 /* no vertex cache */
1155                 sq_config &= ~VC_ENABLE;
1156
1157         sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);
1158
1159         sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32);
1160         sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32);
1161         sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4);
1162         sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
1163         sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
1164         sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
1165         sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
1166
1167         if (rdev->family == CHIP_CEDAR)
1168                 ps_thread_count = 96;
1169         else
1170                 ps_thread_count = 128;
1171
1172         sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
1173         sq_thread_resource_mgmt |= NUM_VS_THREADS(((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8;
1174         sq_thread_resource_mgmt |= NUM_GS_THREADS(((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8;
1175         sq_thread_resource_mgmt |= NUM_ES_THREADS(((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8;
1176         sq_thread_resource_mgmt_2 = NUM_HS_THREADS(((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8;
1177         sq_thread_resource_mgmt_2 |= NUM_LS_THREADS(((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8;
1178
1179         sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1180         sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1181         sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1182         sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1183         sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1184         sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1185
1186         WREG32(SQ_CONFIG, sq_config);
1187         WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
1188         WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
1189         WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3);
1190         WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1191         WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2);
1192         WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
1193         WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
1194         WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3);
1195         WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
1196         WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt);
1197
1198         WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1199                                           FORCE_EOV_MAX_REZ_CNT(255)));
1200
1201         if (rdev->family == CHIP_CEDAR)
1202                 vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
1203         else
1204                 vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
1205         vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
1206         WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);
1207
1208         WREG32(VGT_GS_VERTEX_REUSE, 16);
1209         WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1210
1211         WREG32(CB_PERF_CTR0_SEL_0, 0);
1212         WREG32(CB_PERF_CTR0_SEL_1, 0);
1213         WREG32(CB_PERF_CTR1_SEL_0, 0);
1214         WREG32(CB_PERF_CTR1_SEL_1, 0);
1215         WREG32(CB_PERF_CTR2_SEL_0, 0);
1216         WREG32(CB_PERF_CTR2_SEL_1, 0);
1217         WREG32(CB_PERF_CTR3_SEL_0, 0);
1218         WREG32(CB_PERF_CTR3_SEL_1, 0);
1219
1220         hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1221         WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1222
1223         WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1224
1225         udelay(50);
1226
1227 }
1228
1229 int evergreen_mc_init(struct radeon_device *rdev)
1230 {
1231         u32 tmp;
1232         int chansize, numchan;
1233
1234         /* Get VRAM informations */
1235         rdev->mc.vram_is_ddr = true;
1236         tmp = RREG32(MC_ARB_RAMCFG);
1237         if (tmp & CHANSIZE_OVERRIDE) {
1238                 chansize = 16;
1239         } else if (tmp & CHANSIZE_MASK) {
1240                 chansize = 64;
1241         } else {
1242                 chansize = 32;
1243         }
1244         tmp = RREG32(MC_SHARED_CHMAP);
1245         switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1246         case 0:
1247         default:
1248                 numchan = 1;
1249                 break;
1250         case 1:
1251                 numchan = 2;
1252                 break;
1253         case 2:
1254                 numchan = 4;
1255                 break;
1256         case 3:
1257                 numchan = 8;
1258                 break;
1259         }
1260         rdev->mc.vram_width = numchan * chansize;
1261         /* Could aper size report 0 ? */
1262         rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
1263         rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
1264         /* Setup GPU memory space */
1265         /* size in MB on evergreen */
1266         rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
1267         rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
1268         rdev->mc.visible_vram_size = rdev->mc.aper_size;
1269         r600_vram_gtt_location(rdev, &rdev->mc);
1270         radeon_update_bandwidth_info(rdev);
1271
1272         return 0;
1273 }
1274
1275 bool evergreen_gpu_is_lockup(struct radeon_device *rdev)
1276 {
1277         /* FIXME: implement for evergreen */
1278         return false;
1279 }
1280
1281 static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
1282 {
1283         struct evergreen_mc_save save;
1284         u32 srbm_reset = 0;
1285         u32 grbm_reset = 0;
1286
1287         dev_info(rdev->dev, "GPU softreset \n");
1288         dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
1289                 RREG32(GRBM_STATUS));
1290         dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
1291                 RREG32(GRBM_STATUS_SE0));
1292         dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
1293                 RREG32(GRBM_STATUS_SE1));
1294         dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
1295                 RREG32(SRBM_STATUS));
1296         evergreen_mc_stop(rdev, &save);
1297         if (evergreen_mc_wait_for_idle(rdev)) {
1298                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1299         }
1300         /* Disable CP parsing/prefetching */
1301         WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1302
1303         /* reset all the gfx blocks */
1304         grbm_reset = (SOFT_RESET_CP |
1305                       SOFT_RESET_CB |
1306                       SOFT_RESET_DB |
1307                       SOFT_RESET_PA |
1308                       SOFT_RESET_SC |
1309                       SOFT_RESET_SPI |
1310                       SOFT_RESET_SH |
1311                       SOFT_RESET_SX |
1312                       SOFT_RESET_TC |
1313                       SOFT_RESET_TA |
1314                       SOFT_RESET_VC |
1315                       SOFT_RESET_VGT);
1316
1317         dev_info(rdev->dev, "  GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
1318         WREG32(GRBM_SOFT_RESET, grbm_reset);
1319         (void)RREG32(GRBM_SOFT_RESET);
1320         udelay(50);
1321         WREG32(GRBM_SOFT_RESET, 0);
1322         (void)RREG32(GRBM_SOFT_RESET);
1323
1324         /* reset all the system blocks */
1325         srbm_reset = SRBM_SOFT_RESET_ALL_MASK;
1326
1327         dev_info(rdev->dev, "  SRBM_SOFT_RESET=0x%08X\n", srbm_reset);
1328         WREG32(SRBM_SOFT_RESET, srbm_reset);
1329         (void)RREG32(SRBM_SOFT_RESET);
1330         udelay(50);
1331         WREG32(SRBM_SOFT_RESET, 0);
1332         (void)RREG32(SRBM_SOFT_RESET);
1333         /* Wait a little for things to settle down */
1334         udelay(50);
1335         dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
1336                 RREG32(GRBM_STATUS));
1337         dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
1338                 RREG32(GRBM_STATUS_SE0));
1339         dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
1340                 RREG32(GRBM_STATUS_SE1));
1341         dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
1342                 RREG32(SRBM_STATUS));
1343         /* After reset we need to reinit the asic as GPU often endup in an
1344          * incoherent state.
1345          */
1346         atom_asic_init(rdev->mode_info.atom_context);
1347         evergreen_mc_resume(rdev, &save);
1348         return 0;
1349 }
1350
1351 int evergreen_asic_reset(struct radeon_device *rdev)
1352 {
1353         return evergreen_gpu_soft_reset(rdev);
1354 }
1355
1356 /* Interrupts */
1357
1358 u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
1359 {
1360         switch (crtc) {
1361         case 0:
1362                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC0_REGISTER_OFFSET);
1363         case 1:
1364                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC1_REGISTER_OFFSET);
1365         case 2:
1366                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC2_REGISTER_OFFSET);
1367         case 3:
1368                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC3_REGISTER_OFFSET);
1369         case 4:
1370                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC4_REGISTER_OFFSET);
1371         case 5:
1372                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC5_REGISTER_OFFSET);
1373         default:
1374                 return 0;
1375         }
1376 }
1377
1378 void evergreen_disable_interrupt_state(struct radeon_device *rdev)
1379 {
1380         u32 tmp;
1381
1382         WREG32(CP_INT_CNTL, 0);
1383         WREG32(GRBM_INT_CNTL, 0);
1384         WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
1385         WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
1386         WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
1387         WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
1388         WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
1389         WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1390
1391         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
1392         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
1393         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
1394         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
1395         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
1396         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1397
1398         WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
1399         WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
1400
1401         tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1402         WREG32(DC_HPD1_INT_CONTROL, tmp);
1403         tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1404         WREG32(DC_HPD2_INT_CONTROL, tmp);
1405         tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1406         WREG32(DC_HPD3_INT_CONTROL, tmp);
1407         tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1408         WREG32(DC_HPD4_INT_CONTROL, tmp);
1409         tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1410         WREG32(DC_HPD5_INT_CONTROL, tmp);
1411         tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1412         WREG32(DC_HPD6_INT_CONTROL, tmp);
1413
1414 }
1415
1416 int evergreen_irq_set(struct radeon_device *rdev)
1417 {
1418         u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
1419         u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
1420         u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
1421
1422         if (!rdev->irq.installed) {
1423                 WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
1424                 return -EINVAL;
1425         }
1426         /* don't enable anything if the ih is disabled */
1427         if (!rdev->ih.enabled) {
1428                 r600_disable_interrupts(rdev);
1429                 /* force the active interrupt state to all disabled */
1430                 evergreen_disable_interrupt_state(rdev);
1431                 return 0;
1432         }
1433
1434         hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
1435         hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
1436         hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
1437         hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
1438         hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
1439         hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
1440
1441         if (rdev->irq.sw_int) {
1442                 DRM_DEBUG("evergreen_irq_set: sw int\n");
1443                 cp_int_cntl |= RB_INT_ENABLE;
1444         }
1445         if (rdev->irq.crtc_vblank_int[0]) {
1446                 DRM_DEBUG("evergreen_irq_set: vblank 0\n");
1447                 crtc1 |= VBLANK_INT_MASK;
1448         }
1449         if (rdev->irq.crtc_vblank_int[1]) {
1450                 DRM_DEBUG("evergreen_irq_set: vblank 1\n");
1451                 crtc2 |= VBLANK_INT_MASK;
1452         }
1453         if (rdev->irq.crtc_vblank_int[2]) {
1454                 DRM_DEBUG("evergreen_irq_set: vblank 2\n");
1455                 crtc3 |= VBLANK_INT_MASK;
1456         }
1457         if (rdev->irq.crtc_vblank_int[3]) {
1458                 DRM_DEBUG("evergreen_irq_set: vblank 3\n");
1459                 crtc4 |= VBLANK_INT_MASK;
1460         }
1461         if (rdev->irq.crtc_vblank_int[4]) {
1462                 DRM_DEBUG("evergreen_irq_set: vblank 4\n");
1463                 crtc5 |= VBLANK_INT_MASK;
1464         }
1465         if (rdev->irq.crtc_vblank_int[5]) {
1466                 DRM_DEBUG("evergreen_irq_set: vblank 5\n");
1467                 crtc6 |= VBLANK_INT_MASK;
1468         }
1469         if (rdev->irq.hpd[0]) {
1470                 DRM_DEBUG("evergreen_irq_set: hpd 1\n");
1471                 hpd1 |= DC_HPDx_INT_EN;
1472         }
1473         if (rdev->irq.hpd[1]) {
1474                 DRM_DEBUG("evergreen_irq_set: hpd 2\n");
1475                 hpd2 |= DC_HPDx_INT_EN;
1476         }
1477         if (rdev->irq.hpd[2]) {
1478                 DRM_DEBUG("evergreen_irq_set: hpd 3\n");
1479                 hpd3 |= DC_HPDx_INT_EN;
1480         }
1481         if (rdev->irq.hpd[3]) {
1482                 DRM_DEBUG("evergreen_irq_set: hpd 4\n");
1483                 hpd4 |= DC_HPDx_INT_EN;
1484         }
1485         if (rdev->irq.hpd[4]) {
1486                 DRM_DEBUG("evergreen_irq_set: hpd 5\n");
1487                 hpd5 |= DC_HPDx_INT_EN;
1488         }
1489         if (rdev->irq.hpd[5]) {
1490                 DRM_DEBUG("evergreen_irq_set: hpd 6\n");
1491                 hpd6 |= DC_HPDx_INT_EN;
1492         }
1493
1494         WREG32(CP_INT_CNTL, cp_int_cntl);
1495
1496         WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
1497         WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
1498         WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
1499         WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
1500         WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
1501         WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
1502
1503         WREG32(DC_HPD1_INT_CONTROL, hpd1);
1504         WREG32(DC_HPD2_INT_CONTROL, hpd2);
1505         WREG32(DC_HPD3_INT_CONTROL, hpd3);
1506         WREG32(DC_HPD4_INT_CONTROL, hpd4);
1507         WREG32(DC_HPD5_INT_CONTROL, hpd5);
1508         WREG32(DC_HPD6_INT_CONTROL, hpd6);
1509
1510         return 0;
1511 }
1512
1513 static inline void evergreen_irq_ack(struct radeon_device *rdev,
1514                                      u32 *disp_int,
1515                                      u32 *disp_int_cont,
1516                                      u32 *disp_int_cont2,
1517                                      u32 *disp_int_cont3,
1518                                      u32 *disp_int_cont4,
1519                                      u32 *disp_int_cont5)
1520 {
1521         u32 tmp;
1522
1523         *disp_int = RREG32(DISP_INTERRUPT_STATUS);
1524         *disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
1525         *disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
1526         *disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
1527         *disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
1528         *disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
1529
1530         if (*disp_int & LB_D1_VBLANK_INTERRUPT)
1531                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
1532         if (*disp_int & LB_D1_VLINE_INTERRUPT)
1533                 WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
1534
1535         if (*disp_int_cont & LB_D2_VBLANK_INTERRUPT)
1536                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
1537         if (*disp_int_cont & LB_D2_VLINE_INTERRUPT)
1538                 WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
1539
1540         if (*disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
1541                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
1542         if (*disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
1543                 WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
1544
1545         if (*disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
1546                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
1547         if (*disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
1548                 WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
1549
1550         if (*disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
1551                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
1552         if (*disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
1553                 WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
1554
1555         if (*disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
1556                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
1557         if (*disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
1558                 WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
1559
1560         if (*disp_int & DC_HPD1_INTERRUPT) {
1561                 tmp = RREG32(DC_HPD1_INT_CONTROL);
1562                 tmp |= DC_HPDx_INT_ACK;
1563                 WREG32(DC_HPD1_INT_CONTROL, tmp);
1564         }
1565         if (*disp_int_cont & DC_HPD2_INTERRUPT) {
1566                 tmp = RREG32(DC_HPD2_INT_CONTROL);
1567                 tmp |= DC_HPDx_INT_ACK;
1568                 WREG32(DC_HPD2_INT_CONTROL, tmp);
1569         }
1570         if (*disp_int_cont2 & DC_HPD3_INTERRUPT) {
1571                 tmp = RREG32(DC_HPD3_INT_CONTROL);
1572                 tmp |= DC_HPDx_INT_ACK;
1573                 WREG32(DC_HPD3_INT_CONTROL, tmp);
1574         }
1575         if (*disp_int_cont3 & DC_HPD4_INTERRUPT) {
1576                 tmp = RREG32(DC_HPD4_INT_CONTROL);
1577                 tmp |= DC_HPDx_INT_ACK;
1578                 WREG32(DC_HPD4_INT_CONTROL, tmp);
1579         }
1580         if (*disp_int_cont4 & DC_HPD5_INTERRUPT) {
1581                 tmp = RREG32(DC_HPD5_INT_CONTROL);
1582                 tmp |= DC_HPDx_INT_ACK;
1583                 WREG32(DC_HPD5_INT_CONTROL, tmp);
1584         }
1585         if (*disp_int_cont5 & DC_HPD6_INTERRUPT) {
1586                 tmp = RREG32(DC_HPD5_INT_CONTROL);
1587                 tmp |= DC_HPDx_INT_ACK;
1588                 WREG32(DC_HPD6_INT_CONTROL, tmp);
1589         }
1590 }
1591
1592 void evergreen_irq_disable(struct radeon_device *rdev)
1593 {
1594         u32 disp_int, disp_int_cont, disp_int_cont2;
1595         u32 disp_int_cont3, disp_int_cont4, disp_int_cont5;
1596
1597         r600_disable_interrupts(rdev);
1598         /* Wait and acknowledge irq */
1599         mdelay(1);
1600         evergreen_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2,
1601                           &disp_int_cont3, &disp_int_cont4, &disp_int_cont5);
1602         evergreen_disable_interrupt_state(rdev);
1603 }
1604
1605 static void evergreen_irq_suspend(struct radeon_device *rdev)
1606 {
1607         evergreen_irq_disable(rdev);
1608         r600_rlc_stop(rdev);
1609 }
1610
1611 static inline u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
1612 {
1613         u32 wptr, tmp;
1614
1615         /* XXX use writeback */
1616         wptr = RREG32(IH_RB_WPTR);
1617
1618         if (wptr & RB_OVERFLOW) {
1619                 /* When a ring buffer overflow happen start parsing interrupt
1620                  * from the last not overwritten vector (wptr + 16). Hopefully
1621                  * this should allow us to catchup.
1622                  */
1623                 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
1624                         wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
1625                 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
1626                 tmp = RREG32(IH_RB_CNTL);
1627                 tmp |= IH_WPTR_OVERFLOW_CLEAR;
1628                 WREG32(IH_RB_CNTL, tmp);
1629         }
1630         return (wptr & rdev->ih.ptr_mask);
1631 }
1632
1633 int evergreen_irq_process(struct radeon_device *rdev)
1634 {
1635         u32 wptr = evergreen_get_ih_wptr(rdev);
1636         u32 rptr = rdev->ih.rptr;
1637         u32 src_id, src_data;
1638         u32 ring_index;
1639         u32 disp_int, disp_int_cont, disp_int_cont2;
1640         u32 disp_int_cont3, disp_int_cont4, disp_int_cont5;
1641         unsigned long flags;
1642         bool queue_hotplug = false;
1643
1644         DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
1645         if (!rdev->ih.enabled)
1646                 return IRQ_NONE;
1647
1648         spin_lock_irqsave(&rdev->ih.lock, flags);
1649
1650         if (rptr == wptr) {
1651                 spin_unlock_irqrestore(&rdev->ih.lock, flags);
1652                 return IRQ_NONE;
1653         }
1654         if (rdev->shutdown) {
1655                 spin_unlock_irqrestore(&rdev->ih.lock, flags);
1656                 return IRQ_NONE;
1657         }
1658
1659 restart_ih:
1660         /* display interrupts */
1661         evergreen_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2,
1662                           &disp_int_cont3, &disp_int_cont4, &disp_int_cont5);
1663
1664         rdev->ih.wptr = wptr;
1665         while (rptr != wptr) {
1666                 /* wptr/rptr are in bytes! */
1667                 ring_index = rptr / 4;
1668                 src_id =  rdev->ih.ring[ring_index] & 0xff;
1669                 src_data = rdev->ih.ring[ring_index + 1] & 0xfffffff;
1670
1671                 switch (src_id) {
1672                 case 1: /* D1 vblank/vline */
1673                         switch (src_data) {
1674                         case 0: /* D1 vblank */
1675                                 if (disp_int & LB_D1_VBLANK_INTERRUPT) {
1676                                         drm_handle_vblank(rdev->ddev, 0);
1677                                         wake_up(&rdev->irq.vblank_queue);
1678                                         disp_int &= ~LB_D1_VBLANK_INTERRUPT;
1679                                         DRM_DEBUG("IH: D1 vblank\n");
1680                                 }
1681                                 break;
1682                         case 1: /* D1 vline */
1683                                 if (disp_int & LB_D1_VLINE_INTERRUPT) {
1684                                         disp_int &= ~LB_D1_VLINE_INTERRUPT;
1685                                         DRM_DEBUG("IH: D1 vline\n");
1686                                 }
1687                                 break;
1688                         default:
1689                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1690                                 break;
1691                         }
1692                         break;
1693                 case 2: /* D2 vblank/vline */
1694                         switch (src_data) {
1695                         case 0: /* D2 vblank */
1696                                 if (disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
1697                                         drm_handle_vblank(rdev->ddev, 1);
1698                                         wake_up(&rdev->irq.vblank_queue);
1699                                         disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
1700                                         DRM_DEBUG("IH: D2 vblank\n");
1701                                 }
1702                                 break;
1703                         case 1: /* D2 vline */
1704                                 if (disp_int_cont & LB_D2_VLINE_INTERRUPT) {
1705                                         disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
1706                                         DRM_DEBUG("IH: D2 vline\n");
1707                                 }
1708                                 break;
1709                         default:
1710                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1711                                 break;
1712                         }
1713                         break;
1714                 case 3: /* D3 vblank/vline */
1715                         switch (src_data) {
1716                         case 0: /* D3 vblank */
1717                                 if (disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
1718                                         drm_handle_vblank(rdev->ddev, 2);
1719                                         wake_up(&rdev->irq.vblank_queue);
1720                                         disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
1721                                         DRM_DEBUG("IH: D3 vblank\n");
1722                                 }
1723                                 break;
1724                         case 1: /* D3 vline */
1725                                 if (disp_int_cont2 & LB_D3_VLINE_INTERRUPT) {
1726                                         disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
1727                                         DRM_DEBUG("IH: D3 vline\n");
1728                                 }
1729                                 break;
1730                         default:
1731                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1732                                 break;
1733                         }
1734                         break;
1735                 case 4: /* D4 vblank/vline */
1736                         switch (src_data) {
1737                         case 0: /* D4 vblank */
1738                                 if (disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
1739                                         drm_handle_vblank(rdev->ddev, 3);
1740                                         wake_up(&rdev->irq.vblank_queue);
1741                                         disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
1742                                         DRM_DEBUG("IH: D4 vblank\n");
1743                                 }
1744                                 break;
1745                         case 1: /* D4 vline */
1746                                 if (disp_int_cont3 & LB_D4_VLINE_INTERRUPT) {
1747                                         disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
1748                                         DRM_DEBUG("IH: D4 vline\n");
1749                                 }
1750                                 break;
1751                         default:
1752                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1753                                 break;
1754                         }
1755                         break;
1756                 case 5: /* D5 vblank/vline */
1757                         switch (src_data) {
1758                         case 0: /* D5 vblank */
1759                                 if (disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
1760                                         drm_handle_vblank(rdev->ddev, 4);
1761                                         wake_up(&rdev->irq.vblank_queue);
1762                                         disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
1763                                         DRM_DEBUG("IH: D5 vblank\n");
1764                                 }
1765                                 break;
1766                         case 1: /* D5 vline */
1767                                 if (disp_int_cont4 & LB_D5_VLINE_INTERRUPT) {
1768                                         disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
1769                                         DRM_DEBUG("IH: D5 vline\n");
1770                                 }
1771                                 break;
1772                         default:
1773                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1774                                 break;
1775                         }
1776                         break;
1777                 case 6: /* D6 vblank/vline */
1778                         switch (src_data) {
1779                         case 0: /* D6 vblank */
1780                                 if (disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
1781                                         drm_handle_vblank(rdev->ddev, 5);
1782                                         wake_up(&rdev->irq.vblank_queue);
1783                                         disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
1784                                         DRM_DEBUG("IH: D6 vblank\n");
1785                                 }
1786                                 break;
1787                         case 1: /* D6 vline */
1788                                 if (disp_int_cont5 & LB_D6_VLINE_INTERRUPT) {
1789                                         disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
1790                                         DRM_DEBUG("IH: D6 vline\n");
1791                                 }
1792                                 break;
1793                         default:
1794                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1795                                 break;
1796                         }
1797                         break;
1798                 case 42: /* HPD hotplug */
1799                         switch (src_data) {
1800                         case 0:
1801                                 if (disp_int & DC_HPD1_INTERRUPT) {
1802                                         disp_int &= ~DC_HPD1_INTERRUPT;
1803                                         queue_hotplug = true;
1804                                         DRM_DEBUG("IH: HPD1\n");
1805                                 }
1806                                 break;
1807                         case 1:
1808                                 if (disp_int_cont & DC_HPD2_INTERRUPT) {
1809                                         disp_int_cont &= ~DC_HPD2_INTERRUPT;
1810                                         queue_hotplug = true;
1811                                         DRM_DEBUG("IH: HPD2\n");
1812                                 }
1813                                 break;
1814                         case 2:
1815                                 if (disp_int_cont2 & DC_HPD3_INTERRUPT) {
1816                                         disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
1817                                         queue_hotplug = true;
1818                                         DRM_DEBUG("IH: HPD3\n");
1819                                 }
1820                                 break;
1821                         case 3:
1822                                 if (disp_int_cont3 & DC_HPD4_INTERRUPT) {
1823                                         disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
1824                                         queue_hotplug = true;
1825                                         DRM_DEBUG("IH: HPD4\n");
1826                                 }
1827                                 break;
1828                         case 4:
1829                                 if (disp_int_cont4 & DC_HPD5_INTERRUPT) {
1830                                         disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
1831                                         queue_hotplug = true;
1832                                         DRM_DEBUG("IH: HPD5\n");
1833                                 }
1834                                 break;
1835                         case 5:
1836                                 if (disp_int_cont5 & DC_HPD6_INTERRUPT) {
1837                                         disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
1838                                         queue_hotplug = true;
1839                                         DRM_DEBUG("IH: HPD6\n");
1840                                 }
1841                                 break;
1842                         default:
1843                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1844                                 break;
1845                         }
1846                         break;
1847                 case 176: /* CP_INT in ring buffer */
1848                 case 177: /* CP_INT in IB1 */
1849                 case 178: /* CP_INT in IB2 */
1850                         DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
1851                         radeon_fence_process(rdev);
1852                         break;
1853                 case 181: /* CP EOP event */
1854                         DRM_DEBUG("IH: CP EOP\n");
1855                         break;
1856                 default:
1857                         DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1858                         break;
1859                 }
1860
1861                 /* wptr/rptr are in bytes! */
1862                 rptr += 16;
1863                 rptr &= rdev->ih.ptr_mask;
1864         }
1865         /* make sure wptr hasn't changed while processing */
1866         wptr = evergreen_get_ih_wptr(rdev);
1867         if (wptr != rdev->ih.wptr)
1868                 goto restart_ih;
1869         if (queue_hotplug)
1870                 queue_work(rdev->wq, &rdev->hotplug_work);
1871         rdev->ih.rptr = rptr;
1872         WREG32(IH_RB_RPTR, rdev->ih.rptr);
1873         spin_unlock_irqrestore(&rdev->ih.lock, flags);
1874         return IRQ_HANDLED;
1875 }
1876
1877 static int evergreen_startup(struct radeon_device *rdev)
1878 {
1879         int r;
1880
1881         if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
1882                 r = r600_init_microcode(rdev);
1883                 if (r) {
1884                         DRM_ERROR("Failed to load firmware!\n");
1885                         return r;
1886                 }
1887         }
1888
1889         evergreen_mc_program(rdev);
1890         if (rdev->flags & RADEON_IS_AGP) {
1891                 evergreen_agp_enable(rdev);
1892         } else {
1893                 r = evergreen_pcie_gart_enable(rdev);
1894                 if (r)
1895                         return r;
1896         }
1897         evergreen_gpu_init(rdev);
1898 #if 0
1899         if (!rdev->r600_blit.shader_obj) {
1900                 r = r600_blit_init(rdev);
1901                 if (r) {
1902                         DRM_ERROR("radeon: failed blitter (%d).\n", r);
1903                         return r;
1904                 }
1905         }
1906
1907         r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
1908         if (unlikely(r != 0))
1909                 return r;
1910         r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
1911                         &rdev->r600_blit.shader_gpu_addr);
1912         radeon_bo_unreserve(rdev->r600_blit.shader_obj);
1913         if (r) {
1914                 DRM_ERROR("failed to pin blit object %d\n", r);
1915                 return r;
1916         }
1917 #endif
1918
1919         /* Enable IRQ */
1920         r = r600_irq_init(rdev);
1921         if (r) {
1922                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
1923                 radeon_irq_kms_fini(rdev);
1924                 return r;
1925         }
1926         evergreen_irq_set(rdev);
1927
1928         r = radeon_ring_init(rdev, rdev->cp.ring_size);
1929         if (r)
1930                 return r;
1931         r = evergreen_cp_load_microcode(rdev);
1932         if (r)
1933                 return r;
1934         r = evergreen_cp_resume(rdev);
1935         if (r)
1936                 return r;
1937         /* write back buffer are not vital so don't worry about failure */
1938         r600_wb_enable(rdev);
1939
1940         return 0;
1941 }
1942
1943 int evergreen_resume(struct radeon_device *rdev)
1944 {
1945         int r;
1946
1947         /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1948          * posting will perform necessary task to bring back GPU into good
1949          * shape.
1950          */
1951         /* post card */
1952         atom_asic_init(rdev->mode_info.atom_context);
1953         /* Initialize clocks */
1954         r = radeon_clocks_init(rdev);
1955         if (r) {
1956                 return r;
1957         }
1958
1959         r = evergreen_startup(rdev);
1960         if (r) {
1961                 DRM_ERROR("r600 startup failed on resume\n");
1962                 return r;
1963         }
1964
1965         r = r600_ib_test(rdev);
1966         if (r) {
1967                 DRM_ERROR("radeon: failled testing IB (%d).\n", r);
1968                 return r;
1969         }
1970
1971         return r;
1972
1973 }
1974
1975 int evergreen_suspend(struct radeon_device *rdev)
1976 {
1977 #if 0
1978         int r;
1979 #endif
1980         /* FIXME: we should wait for ring to be empty */
1981         r700_cp_stop(rdev);
1982         rdev->cp.ready = false;
1983         evergreen_irq_suspend(rdev);
1984         r600_wb_disable(rdev);
1985         evergreen_pcie_gart_disable(rdev);
1986 #if 0
1987         /* unpin shaders bo */
1988         r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
1989         if (likely(r == 0)) {
1990                 radeon_bo_unpin(rdev->r600_blit.shader_obj);
1991                 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
1992         }
1993 #endif
1994         return 0;
1995 }
1996
1997 static bool evergreen_card_posted(struct radeon_device *rdev)
1998 {
1999         u32 reg;
2000
2001         /* first check CRTCs */
2002         reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
2003                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) |
2004                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) |
2005                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) |
2006                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) |
2007                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
2008         if (reg & EVERGREEN_CRTC_MASTER_EN)
2009                 return true;
2010
2011         /* then check MEM_SIZE, in case the crtcs are off */
2012         if (RREG32(CONFIG_MEMSIZE))
2013                 return true;
2014
2015         return false;
2016 }
2017
2018 /* Plan is to move initialization in that function and use
2019  * helper function so that radeon_device_init pretty much
2020  * do nothing more than calling asic specific function. This
2021  * should also allow to remove a bunch of callback function
2022  * like vram_info.
2023  */
2024 int evergreen_init(struct radeon_device *rdev)
2025 {
2026         int r;
2027
2028         r = radeon_dummy_page_init(rdev);
2029         if (r)
2030                 return r;
2031         /* This don't do much */
2032         r = radeon_gem_init(rdev);
2033         if (r)
2034                 return r;
2035         /* Read BIOS */
2036         if (!radeon_get_bios(rdev)) {
2037                 if (ASIC_IS_AVIVO(rdev))
2038                         return -EINVAL;
2039         }
2040         /* Must be an ATOMBIOS */
2041         if (!rdev->is_atom_bios) {
2042                 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
2043                 return -EINVAL;
2044         }
2045         r = radeon_atombios_init(rdev);
2046         if (r)
2047                 return r;
2048         /* Post card if necessary */
2049         if (!evergreen_card_posted(rdev)) {
2050                 if (!rdev->bios) {
2051                         dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2052                         return -EINVAL;
2053                 }
2054                 DRM_INFO("GPU not posted. posting now...\n");
2055                 atom_asic_init(rdev->mode_info.atom_context);
2056         }
2057         /* Initialize scratch registers */
2058         r600_scratch_init(rdev);
2059         /* Initialize surface registers */
2060         radeon_surface_init(rdev);
2061         /* Initialize clocks */
2062         radeon_get_clock_info(rdev->ddev);
2063         r = radeon_clocks_init(rdev);
2064         if (r)
2065                 return r;
2066         /* Initialize power management */
2067         radeon_pm_init(rdev);
2068         /* Fence driver */
2069         r = radeon_fence_driver_init(rdev);
2070         if (r)
2071                 return r;
2072         /* initialize AGP */
2073         if (rdev->flags & RADEON_IS_AGP) {
2074                 r = radeon_agp_init(rdev);
2075                 if (r)
2076                         radeon_agp_disable(rdev);
2077         }
2078         /* initialize memory controller */
2079         r = evergreen_mc_init(rdev);
2080         if (r)
2081                 return r;
2082         /* Memory manager */
2083         r = radeon_bo_init(rdev);
2084         if (r)
2085                 return r;
2086
2087         r = radeon_irq_kms_init(rdev);
2088         if (r)
2089                 return r;
2090
2091         rdev->cp.ring_obj = NULL;
2092         r600_ring_init(rdev, 1024 * 1024);
2093
2094         rdev->ih.ring_obj = NULL;
2095         r600_ih_ring_init(rdev, 64 * 1024);
2096
2097         r = r600_pcie_gart_init(rdev);
2098         if (r)
2099                 return r;
2100
2101         rdev->accel_working = false;
2102         r = evergreen_startup(rdev);
2103         if (r) {
2104                 dev_err(rdev->dev, "disabling GPU acceleration\n");
2105                 r700_cp_fini(rdev);
2106                 r600_wb_fini(rdev);
2107                 r600_irq_fini(rdev);
2108                 radeon_irq_kms_fini(rdev);
2109                 evergreen_pcie_gart_fini(rdev);
2110                 rdev->accel_working = false;
2111         }
2112         if (rdev->accel_working) {
2113                 r = radeon_ib_pool_init(rdev);
2114                 if (r) {
2115                         DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r);
2116                         rdev->accel_working = false;
2117                 }
2118                 r = r600_ib_test(rdev);
2119                 if (r) {
2120                         DRM_ERROR("radeon: failed testing IB (%d).\n", r);
2121                         rdev->accel_working = false;
2122                 }
2123         }
2124         return 0;
2125 }
2126
2127 void evergreen_fini(struct radeon_device *rdev)
2128 {
2129         radeon_pm_fini(rdev);
2130         /*r600_blit_fini(rdev);*/
2131         r700_cp_fini(rdev);
2132         r600_wb_fini(rdev);
2133         r600_irq_fini(rdev);
2134         radeon_irq_kms_fini(rdev);
2135         evergreen_pcie_gart_fini(rdev);
2136         radeon_gem_fini(rdev);
2137         radeon_fence_driver_fini(rdev);
2138         radeon_clocks_fini(rdev);
2139         radeon_agp_fini(rdev);
2140         radeon_bo_fini(rdev);
2141         radeon_atombios_fini(rdev);
2142         kfree(rdev->bios);
2143         rdev->bios = NULL;
2144         radeon_dummy_page_fini(rdev);
2145 }