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 /* get temperature in millidegrees */
  43 u32 evergreen_get_temp(struct radeon_device *rdev)
  44 {
  45         u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
  46                 ASIC_T_SHIFT;
  47         u32 actual_temp = 0;
  48
  49         if ((temp >> 10) & 1)
  50                 actual_temp = 0;
  51         else if ((temp >> 9) & 1)
  52                 actual_temp = 255;
  53         else
  54                 actual_temp = (temp >> 1) & 0xff;
  55
  56         return actual_temp * 1000;
  57 }
  58
  59 void evergreen_pm_misc(struct radeon_device *rdev)
  60 {
  61         int req_ps_idx = rdev->pm.requested_power_state_index;
  62         int req_cm_idx = rdev->pm.requested_clock_mode_index;
  63         struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
  64         struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
  65
  66         if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
  67                 if (voltage->voltage != rdev->pm.current_vddc) {
  68                         radeon_atom_set_voltage(rdev, voltage->voltage);
  69                         rdev->pm.current_vddc = voltage->voltage;
  70                         DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
  71                 }
  72         }
  73 }
  74
  75 void evergreen_pm_prepare(struct radeon_device *rdev)
  76 {
  77         struct drm_device *ddev = rdev->ddev;
  78         struct drm_crtc *crtc;
  79         struct radeon_crtc *radeon_crtc;
  80         u32 tmp;
  81
  82         /* disable any active CRTCs */
  83         list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
  84                 radeon_crtc = to_radeon_crtc(crtc);
  85                 if (radeon_crtc->enabled) {
  86                         tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
  87                         tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
  88                         WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
  89                 }
  90         }
  91 }
  92
  93 void evergreen_pm_finish(struct radeon_device *rdev)
  94 {
  95         struct drm_device *ddev = rdev->ddev;
  96         struct drm_crtc *crtc;
  97         struct radeon_crtc *radeon_crtc;
  98         u32 tmp;
  99
 100         /* enable any active CRTCs */
 101         list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
 102                 radeon_crtc = to_radeon_crtc(crtc);
 103                 if (radeon_crtc->enabled) {
 104                         tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
 105                         tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
 106                         WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
 107                 }
 108         }
 109 }
 110
 111 bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 112 {
 113         bool connected = false;
 114
 115         switch (hpd) {
 116         case RADEON_HPD_1:
 117                 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
 118                         connected = true;
 119                 break;
 120         case RADEON_HPD_2:
 121                 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
 122                         connected = true;
 123                 break;
 124         case RADEON_HPD_3:
 125                 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
 126                         connected = true;
 127                 break;
 128         case RADEON_HPD_4:
 129                 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
 130                         connected = true;
 131                 break;
 132         case RADEON_HPD_5:
 133                 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
 134                         connected = true;
 135                 break;
 136         case RADEON_HPD_6:
 137                 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
 138                         connected = true;
 139                         break;
 140         default:
 141                 break;
 142         }
 143
 144         return connected;
 145 }
 146
 147 void evergreen_hpd_set_polarity(struct radeon_device *rdev,
 148                                 enum radeon_hpd_id hpd)
 149 {
 150         u32 tmp;
 151         bool connected = evergreen_hpd_sense(rdev, hpd);
 152
 153         switch (hpd) {
 154         case RADEON_HPD_1:
 155                 tmp = RREG32(DC_HPD1_INT_CONTROL);
 156                 if (connected)
 157                         tmp &= ~DC_HPDx_INT_POLARITY;
 158                 else
 159                         tmp |= DC_HPDx_INT_POLARITY;
 160                 WREG32(DC_HPD1_INT_CONTROL, tmp);
 161                 break;
 162         case RADEON_HPD_2:
 163                 tmp = RREG32(DC_HPD2_INT_CONTROL);
 164                 if (connected)
 165                         tmp &= ~DC_HPDx_INT_POLARITY;
 166                 else
 167                         tmp |= DC_HPDx_INT_POLARITY;
 168                 WREG32(DC_HPD2_INT_CONTROL, tmp);
 169                 break;
 170         case RADEON_HPD_3:
 171                 tmp = RREG32(DC_HPD3_INT_CONTROL);
 172                 if (connected)
 173                         tmp &= ~DC_HPDx_INT_POLARITY;
 174                 else
 175                         tmp |= DC_HPDx_INT_POLARITY;
 176                 WREG32(DC_HPD3_INT_CONTROL, tmp);
 177                 break;
 178         case RADEON_HPD_4:
 179                 tmp = RREG32(DC_HPD4_INT_CONTROL);
 180                 if (connected)
 181                         tmp &= ~DC_HPDx_INT_POLARITY;
 182                 else
 183                         tmp |= DC_HPDx_INT_POLARITY;
 184                 WREG32(DC_HPD4_INT_CONTROL, tmp);
 185                 break;
 186         case RADEON_HPD_5:
 187                 tmp = RREG32(DC_HPD5_INT_CONTROL);
 188                 if (connected)
 189                         tmp &= ~DC_HPDx_INT_POLARITY;
 190                 else
 191                         tmp |= DC_HPDx_INT_POLARITY;
 192                 WREG32(DC_HPD5_INT_CONTROL, tmp);
 193                         break;
 194         case RADEON_HPD_6:
 195                 tmp = RREG32(DC_HPD6_INT_CONTROL);
 196                 if (connected)
 197                         tmp &= ~DC_HPDx_INT_POLARITY;
 198                 else
 199                         tmp |= DC_HPDx_INT_POLARITY;
 200                 WREG32(DC_HPD6_INT_CONTROL, tmp);
 201                 break;
 202         default:
 203                 break;
 204         }
 205 }
 206
 207 void evergreen_hpd_init(struct radeon_device *rdev)
 208 {
 209         struct drm_device *dev = rdev->ddev;
 210         struct drm_connector *connector;
 211         u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) |
 212                 DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN;
 213
 214         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 215                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 216                 switch (radeon_connector->hpd.hpd) {
 217                 case RADEON_HPD_1:
 218                         WREG32(DC_HPD1_CONTROL, tmp);
 219                         rdev->irq.hpd[0] = true;
 220                         break;
 221                 case RADEON_HPD_2:
 222                         WREG32(DC_HPD2_CONTROL, tmp);
 223                         rdev->irq.hpd[1] = true;
 224                         break;
 225                 case RADEON_HPD_3:
 226                         WREG32(DC_HPD3_CONTROL, tmp);
 227                         rdev->irq.hpd[2] = true;
 228                         break;
 229                 case RADEON_HPD_4:
 230                         WREG32(DC_HPD4_CONTROL, tmp);
 231                         rdev->irq.hpd[3] = true;
 232                         break;
 233                 case RADEON_HPD_5:
 234                         WREG32(DC_HPD5_CONTROL, tmp);
 235                         rdev->irq.hpd[4] = true;
 236                         break;
 237                 case RADEON_HPD_6:
 238                         WREG32(DC_HPD6_CONTROL, tmp);
 239                         rdev->irq.hpd[5] = true;
 240                         break;
 241                 default:
 242                         break;
 243                 }
 244         }
 245         if (rdev->irq.installed)
 246                 evergreen_irq_set(rdev);
 247 }
 248
 249 void evergreen_hpd_fini(struct radeon_device *rdev)
 250 {
 251         struct drm_device *dev = rdev->ddev;
 252         struct drm_connector *connector;
 253
 254         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 255                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 256                 switch (radeon_connector->hpd.hpd) {
 257                 case RADEON_HPD_1:
 258                         WREG32(DC_HPD1_CONTROL, 0);
 259                         rdev->irq.hpd[0] = false;
 260                         break;
 261                 case RADEON_HPD_2:
 262                         WREG32(DC_HPD2_CONTROL, 0);
 263                         rdev->irq.hpd[1] = false;
 264                         break;
 265                 case RADEON_HPD_3:
 266                         WREG32(DC_HPD3_CONTROL, 0);
 267                         rdev->irq.hpd[2] = false;
 268                         break;
 269                 case RADEON_HPD_4:
 270                         WREG32(DC_HPD4_CONTROL, 0);
 271                         rdev->irq.hpd[3] = false;
 272                         break;
 273                 case RADEON_HPD_5:
 274                         WREG32(DC_HPD5_CONTROL, 0);
 275                         rdev->irq.hpd[4] = false;
 276                         break;
 277                 case RADEON_HPD_6:
 278                         WREG32(DC_HPD6_CONTROL, 0);
 279                         rdev->irq.hpd[5] = false;
 280                         break;
 281                 default:
 282                         break;
 283                 }
 284         }
 285 }
 286
 287 void evergreen_bandwidth_update(struct radeon_device *rdev)
 288 {
 289         /* XXX */
 290 }
 291
 292 static int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
 293 {
 294         unsigned i;
 295         u32 tmp;
 296
 297         for (i = 0; i < rdev->usec_timeout; i++) {
 298                 /* read MC_STATUS */
 299                 tmp = RREG32(SRBM_STATUS) & 0x1F00;
 300                 if (!tmp)
 301                         return 0;
 302                 udelay(1);
 303         }
 304         return -1;
 305 }
 306
 307 /*
 308  * GART
 309  */
 310 void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev)
 311 {
 312         unsigned i;
 313         u32 tmp;
 314
 315         WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
 316         for (i = 0; i < rdev->usec_timeout; i++) {
 317                 /* read MC_STATUS */
 318                 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
 319                 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
 320                 if (tmp == 2) {
 321                         printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
 322                         return;
 323                 }
 324                 if (tmp) {
 325                         return;
 326                 }
 327                 udelay(1);
 328         }
 329 }
 330
 331 int evergreen_pcie_gart_enable(struct radeon_device *rdev)
 332 {
 333         u32 tmp;
 334         int r;
 335
 336         if (rdev->gart.table.vram.robj == NULL) {
 337                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 338                 return -EINVAL;
 339         }
 340         r = radeon_gart_table_vram_pin(rdev);
 341         if (r)
 342                 return r;
 343         radeon_gart_restore(rdev);
 344         /* Setup L2 cache */
 345         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 346                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 347                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 348         WREG32(VM_L2_CNTL2, 0);
 349         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 350         /* Setup TLB control */
 351         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
 352                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
 353                 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
 354                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 355         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 356         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 357         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 358         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 359         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 360         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 361         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 362         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
 363         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
 364         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
 365         WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
 366                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
 367         WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
 368                         (u32)(rdev->dummy_page.addr >> 12));
 369         WREG32(VM_CONTEXT1_CNTL, 0);
 370
 371         evergreen_pcie_gart_tlb_flush(rdev);
 372         rdev->gart.ready = true;
 373         return 0;
 374 }
 375
 376 void evergreen_pcie_gart_disable(struct radeon_device *rdev)
 377 {
 378         u32 tmp;
 379         int r;
 380
 381         /* Disable all tables */
 382         WREG32(VM_CONTEXT0_CNTL, 0);
 383         WREG32(VM_CONTEXT1_CNTL, 0);
 384
 385         /* Setup L2 cache */
 386         WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
 387                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 388         WREG32(VM_L2_CNTL2, 0);
 389         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 390         /* Setup TLB control */
 391         tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 392         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 393         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 394         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 395         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 396         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 397         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 398         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 399         if (rdev->gart.table.vram.robj) {
 400                 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
 401                 if (likely(r == 0)) {
 402                         radeon_bo_kunmap(rdev->gart.table.vram.robj);
 403                         radeon_bo_unpin(rdev->gart.table.vram.robj);
 404                         radeon_bo_unreserve(rdev->gart.table.vram.robj);
 405                 }
 406         }
 407 }
 408
 409 void evergreen_pcie_gart_fini(struct radeon_device *rdev)
 410 {
 411         evergreen_pcie_gart_disable(rdev);
 412         radeon_gart_table_vram_free(rdev);
 413         radeon_gart_fini(rdev);
 414 }
 415
 416
 417 void evergreen_agp_enable(struct radeon_device *rdev)
 418 {
 419         u32 tmp;
 420
 421         /* Setup L2 cache */
 422         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 423                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 424                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 425         WREG32(VM_L2_CNTL2, 0);
 426         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 427         /* Setup TLB control */
 428         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
 429                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
 430                 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
 431                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 432         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 433         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 434         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 435         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 436         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 437         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 438         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 439         WREG32(VM_CONTEXT0_CNTL, 0);
 440         WREG32(VM_CONTEXT1_CNTL, 0);
 441 }
 442
 443 static void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
 444 {
 445         save->vga_control[0] = RREG32(D1VGA_CONTROL);
 446         save->vga_control[1] = RREG32(D2VGA_CONTROL);
 447         save->vga_control[2] = RREG32(EVERGREEN_D3VGA_CONTROL);
 448         save->vga_control[3] = RREG32(EVERGREEN_D4VGA_CONTROL);
 449         save->vga_control[4] = RREG32(EVERGREEN_D5VGA_CONTROL);
 450         save->vga_control[5] = RREG32(EVERGREEN_D6VGA_CONTROL);
 451         save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
 452         save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
 453         save->crtc_control[0] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET);
 454         save->crtc_control[1] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
 455         save->crtc_control[2] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET);
 456         save->crtc_control[3] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
 457         save->crtc_control[4] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET);
 458         save->crtc_control[5] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
 459
 460         /* Stop all video */
 461         WREG32(VGA_RENDER_CONTROL, 0);
 462         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
 463         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
 464         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
 465         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
 466         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
 467         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
 468         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 469         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
 470         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
 471         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
 472         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
 473         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
 474         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 475         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
 476         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
 477         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
 478         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
 479         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
 480
 481         WREG32(D1VGA_CONTROL, 0);
 482         WREG32(D2VGA_CONTROL, 0);
 483         WREG32(EVERGREEN_D3VGA_CONTROL, 0);
 484         WREG32(EVERGREEN_D4VGA_CONTROL, 0);
 485         WREG32(EVERGREEN_D5VGA_CONTROL, 0);
 486         WREG32(EVERGREEN_D6VGA_CONTROL, 0);
 487 }
 488
 489 static void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
 490 {
 491         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
 492                upper_32_bits(rdev->mc.vram_start));
 493         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
 494                upper_32_bits(rdev->mc.vram_start));
 495         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
 496                (u32)rdev->mc.vram_start);
 497         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
 498                (u32)rdev->mc.vram_start);
 499
 500         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
 501                upper_32_bits(rdev->mc.vram_start));
 502         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
 503                upper_32_bits(rdev->mc.vram_start));
 504         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
 505                (u32)rdev->mc.vram_start);
 506         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
 507                (u32)rdev->mc.vram_start);
 508
 509         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
 510                upper_32_bits(rdev->mc.vram_start));
 511         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
 512                upper_32_bits(rdev->mc.vram_start));
 513         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
 514                (u32)rdev->mc.vram_start);
 515         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
 516                (u32)rdev->mc.vram_start);
 517
 518         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
 519                upper_32_bits(rdev->mc.vram_start));
 520         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
 521                upper_32_bits(rdev->mc.vram_start));
 522         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
 523                (u32)rdev->mc.vram_start);
 524         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
 525                (u32)rdev->mc.vram_start);
 526
 527         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
 528                upper_32_bits(rdev->mc.vram_start));
 529         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
 530                upper_32_bits(rdev->mc.vram_start));
 531         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
 532                (u32)rdev->mc.vram_start);
 533         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
 534                (u32)rdev->mc.vram_start);
 535
 536         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
 537                upper_32_bits(rdev->mc.vram_start));
 538         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
 539                upper_32_bits(rdev->mc.vram_start));
 540         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
 541                (u32)rdev->mc.vram_start);
 542         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
 543                (u32)rdev->mc.vram_start);
 544
 545         WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
 546         WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
 547         /* Unlock host access */
 548         WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
 549         mdelay(1);
 550         /* Restore video state */
 551         WREG32(D1VGA_CONTROL, save->vga_control[0]);
 552         WREG32(D2VGA_CONTROL, save->vga_control[1]);
 553         WREG32(EVERGREEN_D3VGA_CONTROL, save->vga_control[2]);
 554         WREG32(EVERGREEN_D4VGA_CONTROL, save->vga_control[3]);
 555         WREG32(EVERGREEN_D5VGA_CONTROL, save->vga_control[4]);
 556         WREG32(EVERGREEN_D6VGA_CONTROL, save->vga_control[5]);
 557         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
 558         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
 559         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
 560         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
 561         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
 562         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
 563         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, save->crtc_control[0]);
 564         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, save->crtc_control[1]);
 565         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, save->crtc_control[2]);
 566         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, save->crtc_control[3]);
 567         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, save->crtc_control[4]);
 568         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, save->crtc_control[5]);
 569         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 570         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
 571         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
 572         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
 573         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
 574         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
 575         WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
 576 }
 577
 578 static void evergreen_mc_program(struct radeon_device *rdev)
 579 {
 580         struct evergreen_mc_save save;
 581         u32 tmp;
 582         int i, j;
 583
 584         /* Initialize HDP */
 585         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
 586                 WREG32((0x2c14 + j), 0x00000000);
 587                 WREG32((0x2c18 + j), 0x00000000);
 588                 WREG32((0x2c1c + j), 0x00000000);
 589                 WREG32((0x2c20 + j), 0x00000000);
 590                 WREG32((0x2c24 + j), 0x00000000);
 591         }
 592         WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
 593
 594         evergreen_mc_stop(rdev, &save);
 595         if (evergreen_mc_wait_for_idle(rdev)) {
 596                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
 597         }
 598         /* Lockout access through VGA aperture*/
 599         WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
 600         /* Update configuration */
 601         if (rdev->flags & RADEON_IS_AGP) {
 602                 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
 603                         /* VRAM before AGP */
 604                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 605                                 rdev->mc.vram_start >> 12);
 606                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 607                                 rdev->mc.gtt_end >> 12);
 608                 } else {
 609                         /* VRAM after AGP */
 610                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 611                                 rdev->mc.gtt_start >> 12);
 612                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 613                                 rdev->mc.vram_end >> 12);
 614                 }
 615         } else {
 616                 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 617                         rdev->mc.vram_start >> 12);
 618                 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 619                         rdev->mc.vram_end >> 12);
 620         }
 621         WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
 622         tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
 623         tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
 624         WREG32(MC_VM_FB_LOCATION, tmp);
 625         WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
 626         WREG32(HDP_NONSURFACE_INFO, (2 << 7));
 627         WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
 628         if (rdev->flags & RADEON_IS_AGP) {
 629                 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
 630                 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
 631                 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
 632         } else {
 633                 WREG32(MC_VM_AGP_BASE, 0);
 634                 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
 635                 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
 636         }
 637         if (evergreen_mc_wait_for_idle(rdev)) {
 638                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
 639         }
 640         evergreen_mc_resume(rdev, &save);
 641         /* we need to own VRAM, so turn off the VGA renderer here
 642          * to stop it overwriting our objects */
 643         rv515_vga_render_disable(rdev);
 644 }
 645
 646 /*
 647  * CP.
 648  */
 649
 650 static int evergreen_cp_load_microcode(struct radeon_device *rdev)
 651 {
 652         const __be32 *fw_data;
 653         int i;
 654
 655         if (!rdev->me_fw || !rdev->pfp_fw)
 656                 return -EINVAL;
 657
 658         r700_cp_stop(rdev);
 659         WREG32(CP_RB_CNTL, RB_NO_UPDATE | (15 << 8) | (3 << 0));
 660
 661         fw_data = (const __be32 *)rdev->pfp_fw->data;
 662         WREG32(CP_PFP_UCODE_ADDR, 0);
 663         for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++)
 664                 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
 665         WREG32(CP_PFP_UCODE_ADDR, 0);
 666
 667         fw_data = (const __be32 *)rdev->me_fw->data;
 668         WREG32(CP_ME_RAM_WADDR, 0);
 669         for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++)
 670                 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
 671
 672         WREG32(CP_PFP_UCODE_ADDR, 0);
 673         WREG32(CP_ME_RAM_WADDR, 0);
 674         WREG32(CP_ME_RAM_RADDR, 0);
 675         return 0;
 676 }
 677
 678 int evergreen_cp_resume(struct radeon_device *rdev)
 679 {
 680         u32 tmp;
 681         u32 rb_bufsz;
 682         int r;
 683
 684         /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
 685         WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
 686                                  SOFT_RESET_PA |
 687                                  SOFT_RESET_SH |
 688                                  SOFT_RESET_VGT |
 689                                  SOFT_RESET_SX));
 690         RREG32(GRBM_SOFT_RESET);
 691         mdelay(15);
 692         WREG32(GRBM_SOFT_RESET, 0);
 693         RREG32(GRBM_SOFT_RESET);
 694
 695         /* Set ring buffer size */
 696         rb_bufsz = drm_order(rdev->cp.ring_size / 8);
 697         tmp = RB_NO_UPDATE | (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
 698 #ifdef __BIG_ENDIAN
 699         tmp |= BUF_SWAP_32BIT;
 700 #endif
 701         WREG32(CP_RB_CNTL, tmp);
 702         WREG32(CP_SEM_WAIT_TIMER, 0x4);
 703
 704         /* Set the write pointer delay */
 705         WREG32(CP_RB_WPTR_DELAY, 0);
 706
 707         /* Initialize the ring buffer's read and write pointers */
 708         WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
 709         WREG32(CP_RB_RPTR_WR, 0);
 710         WREG32(CP_RB_WPTR, 0);
 711         WREG32(CP_RB_RPTR_ADDR, rdev->cp.gpu_addr & 0xFFFFFFFF);
 712         WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->cp.gpu_addr));
 713         mdelay(1);
 714         WREG32(CP_RB_CNTL, tmp);
 715
 716         WREG32(CP_RB_BASE, rdev->cp.gpu_addr >> 8);
 717         WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
 718
 719         rdev->cp.rptr = RREG32(CP_RB_RPTR);
 720         rdev->cp.wptr = RREG32(CP_RB_WPTR);
 721
 722         r600_cp_start(rdev);
 723         rdev->cp.ready = true;
 724         r = radeon_ring_test(rdev);
 725         if (r) {
 726                 rdev->cp.ready = false;
 727                 return r;
 728         }
 729         return 0;
 730 }
 731
 732 /*
 733  * Core functions
 734  */
 735 static u32 evergreen_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
 736                                                   u32 num_tile_pipes,
 737                                                   u32 num_backends,
 738                                                   u32 backend_disable_mask)
 739 {
 740         u32 backend_map = 0;
 741         u32 enabled_backends_mask = 0;
 742         u32 enabled_backends_count = 0;
 743         u32 cur_pipe;
 744         u32 swizzle_pipe[EVERGREEN_MAX_PIPES];
 745         u32 cur_backend = 0;
 746         u32 i;
 747         bool force_no_swizzle;
 748
 749         if (num_tile_pipes > EVERGREEN_MAX_PIPES)
 750                 num_tile_pipes = EVERGREEN_MAX_PIPES;
 751         if (num_tile_pipes < 1)
 752                 num_tile_pipes = 1;
 753         if (num_backends > EVERGREEN_MAX_BACKENDS)
 754                 num_backends = EVERGREEN_MAX_BACKENDS;
 755         if (num_backends < 1)
 756                 num_backends = 1;
 757
 758         for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) {
 759                 if (((backend_disable_mask >> i) & 1) == 0) {
 760                         enabled_backends_mask |= (1 << i);
 761                         ++enabled_backends_count;
 762                 }
 763                 if (enabled_backends_count == num_backends)
 764                         break;
 765         }
 766
 767         if (enabled_backends_count == 0) {
 768                 enabled_backends_mask = 1;
 769                 enabled_backends_count = 1;
 770         }
 771
 772         if (enabled_backends_count != num_backends)
 773                 num_backends = enabled_backends_count;
 774
 775         memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * EVERGREEN_MAX_PIPES);
 776         switch (rdev->family) {
 777         case CHIP_CEDAR:
 778         case CHIP_REDWOOD:
 779                 force_no_swizzle = false;
 780                 break;
 781         case CHIP_CYPRESS:
 782         case CHIP_HEMLOCK:
 783         case CHIP_JUNIPER:
 784         default:
 785                 force_no_swizzle = true;
 786                 break;
 787         }
 788         if (force_no_swizzle) {
 789                 bool last_backend_enabled = false;
 790
 791                 force_no_swizzle = false;
 792                 for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) {
 793                         if (((enabled_backends_mask >> i) & 1) == 1) {
 794                                 if (last_backend_enabled)
 795                                         force_no_swizzle = true;
 796                                 last_backend_enabled = true;
 797                         } else
 798                                 last_backend_enabled = false;
 799                 }
 800         }
 801
 802         switch (num_tile_pipes) {
 803         case 1:
 804         case 3:
 805         case 5:
 806         case 7:
 807                 DRM_ERROR("odd number of pipes!\n");
 808                 break;
 809         case 2:
 810                 swizzle_pipe[0] = 0;
 811                 swizzle_pipe[1] = 1;
 812                 break;
 813         case 4:
 814                 if (force_no_swizzle) {
 815                         swizzle_pipe[0] = 0;
 816                         swizzle_pipe[1] = 1;
 817                         swizzle_pipe[2] = 2;
 818                         swizzle_pipe[3] = 3;
 819                 } else {
 820                         swizzle_pipe[0] = 0;
 821                         swizzle_pipe[1] = 2;
 822                         swizzle_pipe[2] = 1;
 823                         swizzle_pipe[3] = 3;
 824                 }
 825                 break;
 826         case 6:
 827                 if (force_no_swizzle) {
 828                         swizzle_pipe[0] = 0;
 829                         swizzle_pipe[1] = 1;
 830                         swizzle_pipe[2] = 2;
 831                         swizzle_pipe[3] = 3;
 832                         swizzle_pipe[4] = 4;
 833                         swizzle_pipe[5] = 5;
 834                 } else {
 835                         swizzle_pipe[0] = 0;
 836                         swizzle_pipe[1] = 2;
 837                         swizzle_pipe[2] = 4;
 838                         swizzle_pipe[3] = 1;
 839                         swizzle_pipe[4] = 3;
 840                         swizzle_pipe[5] = 5;
 841                 }
 842                 break;
 843         case 8:
 844                 if (force_no_swizzle) {
 845                         swizzle_pipe[0] = 0;
 846                         swizzle_pipe[1] = 1;
 847                         swizzle_pipe[2] = 2;
 848                         swizzle_pipe[3] = 3;
 849                         swizzle_pipe[4] = 4;
 850                         swizzle_pipe[5] = 5;
 851                         swizzle_pipe[6] = 6;
 852                         swizzle_pipe[7] = 7;
 853                 } else {
 854                         swizzle_pipe[0] = 0;
 855                         swizzle_pipe[1] = 2;
 856                         swizzle_pipe[2] = 4;
 857                         swizzle_pipe[3] = 6;
 858                         swizzle_pipe[4] = 1;
 859                         swizzle_pipe[5] = 3;
 860                         swizzle_pipe[6] = 5;
 861                         swizzle_pipe[7] = 7;
 862                 }
 863                 break;
 864         }
 865
 866         for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
 867                 while (((1 << cur_backend) & enabled_backends_mask) == 0)
 868                         cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS;
 869
 870                 backend_map |= (((cur_backend & 0xf) << (swizzle_pipe[cur_pipe] * 4)));
 871
 872                 cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS;
 873         }
 874
 875         return backend_map;
 876 }
 877
 878 static void evergreen_gpu_init(struct radeon_device *rdev)
 879 {
 880         u32 cc_rb_backend_disable = 0;
 881         u32 cc_gc_shader_pipe_config;
 882         u32 gb_addr_config = 0;
 883         u32 mc_shared_chmap, mc_arb_ramcfg;
 884         u32 gb_backend_map;
 885         u32 grbm_gfx_index;
 886         u32 sx_debug_1;
 887         u32 smx_dc_ctl0;
 888         u32 sq_config;
 889         u32 sq_lds_resource_mgmt;
 890         u32 sq_gpr_resource_mgmt_1;
 891         u32 sq_gpr_resource_mgmt_2;
 892         u32 sq_gpr_resource_mgmt_3;
 893         u32 sq_thread_resource_mgmt;
 894         u32 sq_thread_resource_mgmt_2;
 895         u32 sq_stack_resource_mgmt_1;
 896         u32 sq_stack_resource_mgmt_2;
 897         u32 sq_stack_resource_mgmt_3;
 898         u32 vgt_cache_invalidation;
 899         u32 hdp_host_path_cntl;
 900         int i, j, num_shader_engines, ps_thread_count;
 901
 902         switch (rdev->family) {
 903         case CHIP_CYPRESS:
 904         case CHIP_HEMLOCK:
 905                 rdev->config.evergreen.num_ses = 2;
 906                 rdev->config.evergreen.max_pipes = 4;
 907                 rdev->config.evergreen.max_tile_pipes = 8;
 908                 rdev->config.evergreen.max_simds = 10;
 909                 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
 910                 rdev->config.evergreen.max_gprs = 256;
 911                 rdev->config.evergreen.max_threads = 248;
 912                 rdev->config.evergreen.max_gs_threads = 32;
 913                 rdev->config.evergreen.max_stack_entries = 512;
 914                 rdev->config.evergreen.sx_num_of_sets = 4;
 915                 rdev->config.evergreen.sx_max_export_size = 256;
 916                 rdev->config.evergreen.sx_max_export_pos_size = 64;
 917                 rdev->config.evergreen.sx_max_export_smx_size = 192;
 918                 rdev->config.evergreen.max_hw_contexts = 8;
 919                 rdev->config.evergreen.sq_num_cf_insts = 2;
 920
 921                 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
 922                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
 923                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
 924                 break;
 925         case CHIP_JUNIPER:
 926                 rdev->config.evergreen.num_ses = 1;
 927                 rdev->config.evergreen.max_pipes = 4;
 928                 rdev->config.evergreen.max_tile_pipes = 4;
 929                 rdev->config.evergreen.max_simds = 10;
 930                 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
 931                 rdev->config.evergreen.max_gprs = 256;
 932                 rdev->config.evergreen.max_threads = 248;
 933                 rdev->config.evergreen.max_gs_threads = 32;
 934                 rdev->config.evergreen.max_stack_entries = 512;
 935                 rdev->config.evergreen.sx_num_of_sets = 4;
 936                 rdev->config.evergreen.sx_max_export_size = 256;
 937                 rdev->config.evergreen.sx_max_export_pos_size = 64;
 938                 rdev->config.evergreen.sx_max_export_smx_size = 192;
 939                 rdev->config.evergreen.max_hw_contexts = 8;
 940                 rdev->config.evergreen.sq_num_cf_insts = 2;
 941
 942                 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
 943                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
 944                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
 945                 break;
 946         case CHIP_REDWOOD:
 947                 rdev->config.evergreen.num_ses = 1;
 948                 rdev->config.evergreen.max_pipes = 4;
 949                 rdev->config.evergreen.max_tile_pipes = 4;
 950                 rdev->config.evergreen.max_simds = 5;
 951                 rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
 952                 rdev->config.evergreen.max_gprs = 256;
 953                 rdev->config.evergreen.max_threads = 248;
 954                 rdev->config.evergreen.max_gs_threads = 32;
 955                 rdev->config.evergreen.max_stack_entries = 256;
 956                 rdev->config.evergreen.sx_num_of_sets = 4;
 957                 rdev->config.evergreen.sx_max_export_size = 256;
 958                 rdev->config.evergreen.sx_max_export_pos_size = 64;
 959                 rdev->config.evergreen.sx_max_export_smx_size = 192;
 960                 rdev->config.evergreen.max_hw_contexts = 8;
 961                 rdev->config.evergreen.sq_num_cf_insts = 2;
 962
 963                 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
 964                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
 965                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
 966                 break;
 967         case CHIP_CEDAR:
 968         default:
 969                 rdev->config.evergreen.num_ses = 1;
 970                 rdev->config.evergreen.max_pipes = 2;
 971                 rdev->config.evergreen.max_tile_pipes = 2;
 972                 rdev->config.evergreen.max_simds = 2;
 973                 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
 974                 rdev->config.evergreen.max_gprs = 256;
 975                 rdev->config.evergreen.max_threads = 192;
 976                 rdev->config.evergreen.max_gs_threads = 16;
 977                 rdev->config.evergreen.max_stack_entries = 256;
 978                 rdev->config.evergreen.sx_num_of_sets = 4;
 979                 rdev->config.evergreen.sx_max_export_size = 128;
 980                 rdev->config.evergreen.sx_max_export_pos_size = 32;
 981                 rdev->config.evergreen.sx_max_export_smx_size = 96;
 982                 rdev->config.evergreen.max_hw_contexts = 4;
 983                 rdev->config.evergreen.sq_num_cf_insts = 1;
 984
 985                 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
 986                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
 987                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
 988                 break;
 989         }
 990
 991         /* Initialize HDP */
 992         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
 993                 WREG32((0x2c14 + j), 0x00000000);
 994                 WREG32((0x2c18 + j), 0x00000000);
 995                 WREG32((0x2c1c + j), 0x00000000);
 996                 WREG32((0x2c20 + j), 0x00000000);
 997                 WREG32((0x2c24 + j), 0x00000000);
 998         }
 999
1000         WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1001
1002         cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & ~2;
1003
1004         cc_gc_shader_pipe_config |=
1005                 INACTIVE_QD_PIPES((EVERGREEN_MAX_PIPES_MASK << rdev->config.evergreen.max_pipes)
1006                                   & EVERGREEN_MAX_PIPES_MASK);
1007         cc_gc_shader_pipe_config |=
1008                 INACTIVE_SIMDS((EVERGREEN_MAX_SIMDS_MASK << rdev->config.evergreen.max_simds)
1009                                & EVERGREEN_MAX_SIMDS_MASK);
1010
1011         cc_rb_backend_disable =
1012                 BACKEND_DISABLE((EVERGREEN_MAX_BACKENDS_MASK << rdev->config.evergreen.max_backends)
1013                                 & EVERGREEN_MAX_BACKENDS_MASK);
1014
1015
1016         mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
1017         mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1018
1019         switch (rdev->config.evergreen.max_tile_pipes) {
1020         case 1:
1021         default:
1022                 gb_addr_config |= NUM_PIPES(0);
1023                 break;
1024         case 2:
1025                 gb_addr_config |= NUM_PIPES(1);
1026                 break;
1027         case 4:
1028                 gb_addr_config |= NUM_PIPES(2);
1029                 break;
1030         case 8:
1031                 gb_addr_config |= NUM_PIPES(3);
1032                 break;
1033         }
1034
1035         gb_addr_config |= PIPE_INTERLEAVE_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1036         gb_addr_config |= BANK_INTERLEAVE_SIZE(0);
1037         gb_addr_config |= NUM_SHADER_ENGINES(rdev->config.evergreen.num_ses - 1);
1038         gb_addr_config |= SHADER_ENGINE_TILE_SIZE(1);
1039         gb_addr_config |= NUM_GPUS(0); /* Hemlock? */
1040         gb_addr_config |= MULTI_GPU_TILE_SIZE(2);
1041
1042         if (((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT) > 2)
1043                 gb_addr_config |= ROW_SIZE(2);
1044         else
1045                 gb_addr_config |= ROW_SIZE((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT);
1046
1047         if (rdev->ddev->pdev->device == 0x689e) {
1048                 u32 efuse_straps_4;
1049                 u32 efuse_straps_3;
1050                 u8 efuse_box_bit_131_124;
1051
1052                 WREG32(RCU_IND_INDEX, 0x204);
1053                 efuse_straps_4 = RREG32(RCU_IND_DATA);
1054                 WREG32(RCU_IND_INDEX, 0x203);
1055                 efuse_straps_3 = RREG32(RCU_IND_DATA);
1056                 efuse_box_bit_131_124 = (u8)(((efuse_straps_4 & 0xf) << 4) | ((efuse_straps_3 & 0xf0000000) >> 28));
1057
1058                 switch(efuse_box_bit_131_124) {
1059                 case 0x00:
1060                         gb_backend_map = 0x76543210;
1061                         break;
1062                 case 0x55:
1063                         gb_backend_map = 0x77553311;
1064                         break;
1065                 case 0x56:
1066                         gb_backend_map = 0x77553300;
1067                         break;
1068                 case 0x59:
1069                         gb_backend_map = 0x77552211;
1070                         break;
1071                 case 0x66:
1072                         gb_backend_map = 0x77443300;
1073                         break;
1074                 case 0x99:
1075                         gb_backend_map = 0x66552211;
1076                         break;
1077                 case 0x5a:
1078                         gb_backend_map = 0x77552200;
1079                         break;
1080                 case 0xaa:
1081                         gb_backend_map = 0x66442200;
1082                         break;
1083                 case 0x95:
1084                         gb_backend_map = 0x66553311;
1085                         break;
1086                 default:
1087                         DRM_ERROR("bad backend map, using default\n");
1088                         gb_backend_map =
1089                                 evergreen_get_tile_pipe_to_backend_map(rdev,
1090                                                                        rdev->config.evergreen.max_tile_pipes,
1091                                                                        rdev->config.evergreen.max_backends,
1092                                                                        ((EVERGREEN_MAX_BACKENDS_MASK <<
1093                                                                    rdev->config.evergreen.max_backends) &
1094                                                                         EVERGREEN_MAX_BACKENDS_MASK));
1095                         break;
1096                 }
1097         } else if (rdev->ddev->pdev->device == 0x68b9) {
1098                 u32 efuse_straps_3;
1099                 u8 efuse_box_bit_127_124;
1100
1101                 WREG32(RCU_IND_INDEX, 0x203);
1102                 efuse_straps_3 = RREG32(RCU_IND_DATA);
1103                 efuse_box_bit_127_124 = (u8)(efuse_straps_3 & 0xF0000000) >> 28;
1104
1105                 switch(efuse_box_bit_127_124) {
1106                 case 0x0:
1107                         gb_backend_map = 0x00003210;
1108                         break;
1109                 case 0x5:
1110                 case 0x6:
1111                 case 0x9:
1112                 case 0xa:
1113                         gb_backend_map = 0x00003311;
1114                         break;
1115                 default:
1116                         DRM_ERROR("bad backend map, using default\n");
1117                         gb_backend_map =
1118                                 evergreen_get_tile_pipe_to_backend_map(rdev,
1119                                                                        rdev->config.evergreen.max_tile_pipes,
1120                                                                        rdev->config.evergreen.max_backends,
1121                                                                        ((EVERGREEN_MAX_BACKENDS_MASK <<
1122                                                                    rdev->config.evergreen.max_backends) &
1123                                                                         EVERGREEN_MAX_BACKENDS_MASK));
1124                         break;
1125                 }
1126         } else
1127                 gb_backend_map =
1128                         evergreen_get_tile_pipe_to_backend_map(rdev,
1129                                                                rdev->config.evergreen.max_tile_pipes,
1130                                                                rdev->config.evergreen.max_backends,
1131                                                                ((EVERGREEN_MAX_BACKENDS_MASK <<
1132                                                                  rdev->config.evergreen.max_backends) &
1133                                                                 EVERGREEN_MAX_BACKENDS_MASK));
1134
1135         WREG32(GB_BACKEND_MAP, gb_backend_map);
1136         WREG32(GB_ADDR_CONFIG, gb_addr_config);
1137         WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1138         WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1139
1140         num_shader_engines = ((RREG32(GB_ADDR_CONFIG) & NUM_SHADER_ENGINES(3)) >> 12) + 1;
1141         grbm_gfx_index = INSTANCE_BROADCAST_WRITES;
1142
1143         for (i = 0; i < rdev->config.evergreen.num_ses; i++) {
1144                 u32 rb = cc_rb_backend_disable | (0xf0 << 16);
1145                 u32 sp = cc_gc_shader_pipe_config;
1146                 u32 gfx = grbm_gfx_index | SE_INDEX(i);
1147
1148                 if (i == num_shader_engines) {
1149                         rb |= BACKEND_DISABLE(EVERGREEN_MAX_BACKENDS_MASK);
1150                         sp |= INACTIVE_SIMDS(EVERGREEN_MAX_SIMDS_MASK);
1151                 }
1152
1153                 WREG32(GRBM_GFX_INDEX, gfx);
1154                 WREG32(RLC_GFX_INDEX, gfx);
1155
1156                 WREG32(CC_RB_BACKEND_DISABLE, rb);
1157                 WREG32(CC_SYS_RB_BACKEND_DISABLE, rb);
1158                 WREG32(GC_USER_RB_BACKEND_DISABLE, rb);
1159                 WREG32(CC_GC_SHADER_PIPE_CONFIG, sp);
1160         }
1161
1162         grbm_gfx_index |= SE_BROADCAST_WRITES;
1163         WREG32(GRBM_GFX_INDEX, grbm_gfx_index);
1164         WREG32(RLC_GFX_INDEX, grbm_gfx_index);
1165
1166         WREG32(CGTS_SYS_TCC_DISABLE, 0);
1167         WREG32(CGTS_TCC_DISABLE, 0);
1168         WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
1169         WREG32(CGTS_USER_TCC_DISABLE, 0);
1170
1171         /* set HW defaults for 3D engine */
1172         WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
1173                                      ROQ_IB2_START(0x2b)));
1174
1175         WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
1176
1177         WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
1178                              SYNC_GRADIENT |
1179                              SYNC_WALKER |
1180                              SYNC_ALIGNER));
1181
1182         sx_debug_1 = RREG32(SX_DEBUG_1);
1183         sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1184         WREG32(SX_DEBUG_1, sx_debug_1);
1185
1186
1187         smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1188         smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1189         smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
1190         WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1191
1192         WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
1193                                         POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
1194                                         SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
1195
1196         WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
1197                                  SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
1198                                  SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));
1199
1200         WREG32(VGT_NUM_INSTANCES, 1);
1201         WREG32(SPI_CONFIG_CNTL, 0);
1202         WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
1203         WREG32(CP_PERFMON_CNTL, 0);
1204
1205         WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
1206                                   FETCH_FIFO_HIWATER(0x4) |
1207                                   DONE_FIFO_HIWATER(0xe0) |
1208                                   ALU_UPDATE_FIFO_HIWATER(0x8)));
1209
1210         sq_config = RREG32(SQ_CONFIG);
1211         sq_config &= ~(PS_PRIO(3) |
1212                        VS_PRIO(3) |
1213                        GS_PRIO(3) |
1214                        ES_PRIO(3));
1215         sq_config |= (VC_ENABLE |
1216                       EXPORT_SRC_C |
1217                       PS_PRIO(0) |
1218                       VS_PRIO(1) |
1219                       GS_PRIO(2) |
1220                       ES_PRIO(3));
1221
1222         if (rdev->family == CHIP_CEDAR)
1223                 /* no vertex cache */
1224                 sq_config &= ~VC_ENABLE;
1225
1226         sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);
1227
1228         sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32);
1229         sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32);
1230         sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4);
1231         sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
1232         sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
1233         sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
1234         sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
1235
1236         if (rdev->family == CHIP_CEDAR)
1237                 ps_thread_count = 96;
1238         else
1239                 ps_thread_count = 128;
1240
1241         sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
1242         sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1243         sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1244         sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1245         sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1246         sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1247
1248         sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1249         sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1250         sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1251         sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1252         sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1253         sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1254
1255         WREG32(SQ_CONFIG, sq_config);
1256         WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
1257         WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
1258         WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3);
1259         WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1260         WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2);
1261         WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
1262         WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
1263         WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3);
1264         WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
1265         WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt);
1266
1267         WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1268                                           FORCE_EOV_MAX_REZ_CNT(255)));
1269
1270         if (rdev->family == CHIP_CEDAR)
1271                 vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
1272         else
1273                 vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
1274         vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
1275         WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);
1276
1277         WREG32(VGT_GS_VERTEX_REUSE, 16);
1278         WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1279
1280         WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14);
1281         WREG32(VGT_OUT_DEALLOC_CNTL, 16);
1282
1283         WREG32(CB_PERF_CTR0_SEL_0, 0);
1284         WREG32(CB_PERF_CTR0_SEL_1, 0);
1285         WREG32(CB_PERF_CTR1_SEL_0, 0);
1286         WREG32(CB_PERF_CTR1_SEL_1, 0);
1287         WREG32(CB_PERF_CTR2_SEL_0, 0);
1288         WREG32(CB_PERF_CTR2_SEL_1, 0);
1289         WREG32(CB_PERF_CTR3_SEL_0, 0);
1290         WREG32(CB_PERF_CTR3_SEL_1, 0);
1291
1292         /* clear render buffer base addresses */
1293         WREG32(CB_COLOR0_BASE, 0);
1294         WREG32(CB_COLOR1_BASE, 0);
1295         WREG32(CB_COLOR2_BASE, 0);
1296         WREG32(CB_COLOR3_BASE, 0);
1297         WREG32(CB_COLOR4_BASE, 0);
1298         WREG32(CB_COLOR5_BASE, 0);
1299         WREG32(CB_COLOR6_BASE, 0);
1300         WREG32(CB_COLOR7_BASE, 0);
1301         WREG32(CB_COLOR8_BASE, 0);
1302         WREG32(CB_COLOR9_BASE, 0);
1303         WREG32(CB_COLOR10_BASE, 0);
1304         WREG32(CB_COLOR11_BASE, 0);
1305
1306         /* set the shader const cache sizes to 0 */
1307         for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4)
1308                 WREG32(i, 0);
1309         for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4)
1310                 WREG32(i, 0);
1311
1312         hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1313         WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1314
1315         WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1316
1317         udelay(50);
1318
1319 }
1320
1321 int evergreen_mc_init(struct radeon_device *rdev)
1322 {
1323         u32 tmp;
1324         int chansize, numchan;
1325
1326         /* Get VRAM informations */
1327         rdev->mc.vram_is_ddr = true;
1328         tmp = RREG32(MC_ARB_RAMCFG);
1329         if (tmp & CHANSIZE_OVERRIDE) {
1330                 chansize = 16;
1331         } else if (tmp & CHANSIZE_MASK) {
1332                 chansize = 64;
1333         } else {
1334                 chansize = 32;
1335         }
1336         tmp = RREG32(MC_SHARED_CHMAP);
1337         switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1338         case 0:
1339         default:
1340                 numchan = 1;
1341                 break;
1342         case 1:
1343                 numchan = 2;
1344                 break;
1345         case 2:
1346                 numchan = 4;
1347                 break;
1348         case 3:
1349                 numchan = 8;
1350                 break;
1351         }
1352         rdev->mc.vram_width = numchan * chansize;
1353         /* Could aper size report 0 ? */
1354         rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1355         rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1356         /* Setup GPU memory space */
1357         /* size in MB on evergreen */
1358         rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
1359         rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
1360         rdev->mc.visible_vram_size = rdev->mc.aper_size;
1361         r600_vram_gtt_location(rdev, &rdev->mc);
1362         radeon_update_bandwidth_info(rdev);
1363
1364         return 0;
1365 }
1366
1367 bool evergreen_gpu_is_lockup(struct radeon_device *rdev)
1368 {
1369         /* FIXME: implement for evergreen */
1370         return false;
1371 }
1372
1373 static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
1374 {
1375         struct evergreen_mc_save save;
1376         u32 srbm_reset = 0;
1377         u32 grbm_reset = 0;
1378
1379         dev_info(rdev->dev, "GPU softreset \n");
1380         dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
1381                 RREG32(GRBM_STATUS));
1382         dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
1383                 RREG32(GRBM_STATUS_SE0));
1384         dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
1385                 RREG32(GRBM_STATUS_SE1));
1386         dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
1387                 RREG32(SRBM_STATUS));
1388         evergreen_mc_stop(rdev, &save);
1389         if (evergreen_mc_wait_for_idle(rdev)) {
1390                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1391         }
1392         /* Disable CP parsing/prefetching */
1393         WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1394
1395         /* reset all the gfx blocks */
1396         grbm_reset = (SOFT_RESET_CP |
1397                       SOFT_RESET_CB |
1398                       SOFT_RESET_DB |
1399                       SOFT_RESET_PA |
1400                       SOFT_RESET_SC |
1401                       SOFT_RESET_SPI |
1402                       SOFT_RESET_SH |
1403                       SOFT_RESET_SX |
1404                       SOFT_RESET_TC |
1405                       SOFT_RESET_TA |
1406                       SOFT_RESET_VC |
1407                       SOFT_RESET_VGT);
1408
1409         dev_info(rdev->dev, "  GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
1410         WREG32(GRBM_SOFT_RESET, grbm_reset);
1411         (void)RREG32(GRBM_SOFT_RESET);
1412         udelay(50);
1413         WREG32(GRBM_SOFT_RESET, 0);
1414         (void)RREG32(GRBM_SOFT_RESET);
1415
1416         /* reset all the system blocks */
1417         srbm_reset = SRBM_SOFT_RESET_ALL_MASK;
1418
1419         dev_info(rdev->dev, "  SRBM_SOFT_RESET=0x%08X\n", srbm_reset);
1420         WREG32(SRBM_SOFT_RESET, srbm_reset);
1421         (void)RREG32(SRBM_SOFT_RESET);
1422         udelay(50);
1423         WREG32(SRBM_SOFT_RESET, 0);
1424         (void)RREG32(SRBM_SOFT_RESET);
1425         /* Wait a little for things to settle down */
1426         udelay(50);
1427         dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
1428                 RREG32(GRBM_STATUS));
1429         dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
1430                 RREG32(GRBM_STATUS_SE0));
1431         dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
1432                 RREG32(GRBM_STATUS_SE1));
1433         dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
1434                 RREG32(SRBM_STATUS));
1435         /* After reset we need to reinit the asic as GPU often endup in an
1436          * incoherent state.
1437          */
1438         atom_asic_init(rdev->mode_info.atom_context);
1439         evergreen_mc_resume(rdev, &save);
1440         return 0;
1441 }
1442
1443 int evergreen_asic_reset(struct radeon_device *rdev)
1444 {
1445         return evergreen_gpu_soft_reset(rdev);
1446 }
1447
1448 /* Interrupts */
1449
1450 u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
1451 {
1452         switch (crtc) {
1453         case 0:
1454                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC0_REGISTER_OFFSET);
1455         case 1:
1456                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC1_REGISTER_OFFSET);
1457         case 2:
1458                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC2_REGISTER_OFFSET);
1459         case 3:
1460                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC3_REGISTER_OFFSET);
1461         case 4:
1462                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC4_REGISTER_OFFSET);
1463         case 5:
1464                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC5_REGISTER_OFFSET);
1465         default:
1466                 return 0;
1467         }
1468 }
1469
1470 void evergreen_disable_interrupt_state(struct radeon_device *rdev)
1471 {
1472         u32 tmp;
1473
1474         WREG32(CP_INT_CNTL, 0);
1475         WREG32(GRBM_INT_CNTL, 0);
1476         WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
1477         WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
1478         WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
1479         WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
1480         WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
1481         WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1482
1483         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
1484         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
1485         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
1486         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
1487         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
1488         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1489
1490         WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
1491         WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
1492
1493         tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1494         WREG32(DC_HPD1_INT_CONTROL, tmp);
1495         tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1496         WREG32(DC_HPD2_INT_CONTROL, tmp);
1497         tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1498         WREG32(DC_HPD3_INT_CONTROL, tmp);
1499         tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1500         WREG32(DC_HPD4_INT_CONTROL, tmp);
1501         tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1502         WREG32(DC_HPD5_INT_CONTROL, tmp);
1503         tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1504         WREG32(DC_HPD6_INT_CONTROL, tmp);
1505
1506 }
1507
1508 int evergreen_irq_set(struct radeon_device *rdev)
1509 {
1510         u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
1511         u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
1512         u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
1513         u32 grbm_int_cntl = 0;
1514
1515         if (!rdev->irq.installed) {
1516                 WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
1517                 return -EINVAL;
1518         }
1519         /* don't enable anything if the ih is disabled */
1520         if (!rdev->ih.enabled) {
1521                 r600_disable_interrupts(rdev);
1522                 /* force the active interrupt state to all disabled */
1523                 evergreen_disable_interrupt_state(rdev);
1524                 return 0;
1525         }
1526
1527         hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
1528         hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
1529         hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
1530         hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
1531         hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
1532         hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
1533
1534         if (rdev->irq.sw_int) {
1535                 DRM_DEBUG("evergreen_irq_set: sw int\n");
1536                 cp_int_cntl |= RB_INT_ENABLE;
1537         }
1538         if (rdev->irq.crtc_vblank_int[0]) {
1539                 DRM_DEBUG("evergreen_irq_set: vblank 0\n");
1540                 crtc1 |= VBLANK_INT_MASK;
1541         }
1542         if (rdev->irq.crtc_vblank_int[1]) {
1543                 DRM_DEBUG("evergreen_irq_set: vblank 1\n");
1544                 crtc2 |= VBLANK_INT_MASK;
1545         }
1546         if (rdev->irq.crtc_vblank_int[2]) {
1547                 DRM_DEBUG("evergreen_irq_set: vblank 2\n");
1548                 crtc3 |= VBLANK_INT_MASK;
1549         }
1550         if (rdev->irq.crtc_vblank_int[3]) {
1551                 DRM_DEBUG("evergreen_irq_set: vblank 3\n");
1552                 crtc4 |= VBLANK_INT_MASK;
1553         }
1554         if (rdev->irq.crtc_vblank_int[4]) {
1555                 DRM_DEBUG("evergreen_irq_set: vblank 4\n");
1556                 crtc5 |= VBLANK_INT_MASK;
1557         }
1558         if (rdev->irq.crtc_vblank_int[5]) {
1559                 DRM_DEBUG("evergreen_irq_set: vblank 5\n");
1560                 crtc6 |= VBLANK_INT_MASK;
1561         }
1562         if (rdev->irq.hpd[0]) {
1563                 DRM_DEBUG("evergreen_irq_set: hpd 1\n");
1564                 hpd1 |= DC_HPDx_INT_EN;
1565         }
1566         if (rdev->irq.hpd[1]) {
1567                 DRM_DEBUG("evergreen_irq_set: hpd 2\n");
1568                 hpd2 |= DC_HPDx_INT_EN;
1569         }
1570         if (rdev->irq.hpd[2]) {
1571                 DRM_DEBUG("evergreen_irq_set: hpd 3\n");
1572                 hpd3 |= DC_HPDx_INT_EN;
1573         }
1574         if (rdev->irq.hpd[3]) {
1575                 DRM_DEBUG("evergreen_irq_set: hpd 4\n");
1576                 hpd4 |= DC_HPDx_INT_EN;
1577         }
1578         if (rdev->irq.hpd[4]) {
1579                 DRM_DEBUG("evergreen_irq_set: hpd 5\n");
1580                 hpd5 |= DC_HPDx_INT_EN;
1581         }
1582         if (rdev->irq.hpd[5]) {
1583                 DRM_DEBUG("evergreen_irq_set: hpd 6\n");
1584                 hpd6 |= DC_HPDx_INT_EN;
1585         }
1586         if (rdev->irq.gui_idle) {
1587                 DRM_DEBUG("gui idle\n");
1588                 grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
1589         }
1590
1591         WREG32(CP_INT_CNTL, cp_int_cntl);
1592         WREG32(GRBM_INT_CNTL, grbm_int_cntl);
1593
1594         WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
1595         WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
1596         WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
1597         WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
1598         WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
1599         WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
1600
1601         WREG32(DC_HPD1_INT_CONTROL, hpd1);
1602         WREG32(DC_HPD2_INT_CONTROL, hpd2);
1603         WREG32(DC_HPD3_INT_CONTROL, hpd3);
1604         WREG32(DC_HPD4_INT_CONTROL, hpd4);
1605         WREG32(DC_HPD5_INT_CONTROL, hpd5);
1606         WREG32(DC_HPD6_INT_CONTROL, hpd6);
1607
1608         return 0;
1609 }
1610
1611 static inline void evergreen_irq_ack(struct radeon_device *rdev,
1612                                      u32 *disp_int,
1613                                      u32 *disp_int_cont,
1614                                      u32 *disp_int_cont2,
1615                                      u32 *disp_int_cont3,
1616                                      u32 *disp_int_cont4,
1617                                      u32 *disp_int_cont5)
1618 {
1619         u32 tmp;
1620
1621         *disp_int = RREG32(DISP_INTERRUPT_STATUS);
1622         *disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
1623         *disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
1624         *disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
1625         *disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
1626         *disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
1627
1628         if (*disp_int & LB_D1_VBLANK_INTERRUPT)
1629                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
1630         if (*disp_int & LB_D1_VLINE_INTERRUPT)
1631                 WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
1632
1633         if (*disp_int_cont & LB_D2_VBLANK_INTERRUPT)
1634                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
1635         if (*disp_int_cont & LB_D2_VLINE_INTERRUPT)
1636                 WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
1637
1638         if (*disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
1639                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
1640         if (*disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
1641                 WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
1642
1643         if (*disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
1644                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
1645         if (*disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
1646                 WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
1647
1648         if (*disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
1649                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
1650         if (*disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
1651                 WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
1652
1653         if (*disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
1654                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
1655         if (*disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
1656                 WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
1657
1658         if (*disp_int & DC_HPD1_INTERRUPT) {
1659                 tmp = RREG32(DC_HPD1_INT_CONTROL);
1660                 tmp |= DC_HPDx_INT_ACK;
1661                 WREG32(DC_HPD1_INT_CONTROL, tmp);
1662         }
1663         if (*disp_int_cont & DC_HPD2_INTERRUPT) {
1664                 tmp = RREG32(DC_HPD2_INT_CONTROL);
1665                 tmp |= DC_HPDx_INT_ACK;
1666                 WREG32(DC_HPD2_INT_CONTROL, tmp);
1667         }
1668         if (*disp_int_cont2 & DC_HPD3_INTERRUPT) {
1669                 tmp = RREG32(DC_HPD3_INT_CONTROL);
1670                 tmp |= DC_HPDx_INT_ACK;
1671                 WREG32(DC_HPD3_INT_CONTROL, tmp);
1672         }
1673         if (*disp_int_cont3 & DC_HPD4_INTERRUPT) {
1674                 tmp = RREG32(DC_HPD4_INT_CONTROL);
1675                 tmp |= DC_HPDx_INT_ACK;
1676                 WREG32(DC_HPD4_INT_CONTROL, tmp);
1677         }
1678         if (*disp_int_cont4 & DC_HPD5_INTERRUPT) {
1679                 tmp = RREG32(DC_HPD5_INT_CONTROL);
1680                 tmp |= DC_HPDx_INT_ACK;
1681                 WREG32(DC_HPD5_INT_CONTROL, tmp);
1682         }
1683         if (*disp_int_cont5 & DC_HPD6_INTERRUPT) {
1684                 tmp = RREG32(DC_HPD5_INT_CONTROL);
1685                 tmp |= DC_HPDx_INT_ACK;
1686                 WREG32(DC_HPD6_INT_CONTROL, tmp);
1687         }
1688 }
1689
1690 void evergreen_irq_disable(struct radeon_device *rdev)
1691 {
1692         u32 disp_int, disp_int_cont, disp_int_cont2;
1693         u32 disp_int_cont3, disp_int_cont4, disp_int_cont5;
1694
1695         r600_disable_interrupts(rdev);
1696         /* Wait and acknowledge irq */
1697         mdelay(1);
1698         evergreen_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2,
1699                           &disp_int_cont3, &disp_int_cont4, &disp_int_cont5);
1700         evergreen_disable_interrupt_state(rdev);
1701 }
1702
1703 static void evergreen_irq_suspend(struct radeon_device *rdev)
1704 {
1705         evergreen_irq_disable(rdev);
1706         r600_rlc_stop(rdev);
1707 }
1708
1709 static inline u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
1710 {
1711         u32 wptr, tmp;
1712
1713         /* XXX use writeback */
1714         wptr = RREG32(IH_RB_WPTR);
1715
1716         if (wptr & RB_OVERFLOW) {
1717                 /* When a ring buffer overflow happen start parsing interrupt
1718                  * from the last not overwritten vector (wptr + 16). Hopefully
1719                  * this should allow us to catchup.
1720                  */
1721                 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
1722                         wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
1723                 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
1724                 tmp = RREG32(IH_RB_CNTL);
1725                 tmp |= IH_WPTR_OVERFLOW_CLEAR;
1726                 WREG32(IH_RB_CNTL, tmp);
1727         }
1728         return (wptr & rdev->ih.ptr_mask);
1729 }
1730
1731 int evergreen_irq_process(struct radeon_device *rdev)
1732 {
1733         u32 wptr = evergreen_get_ih_wptr(rdev);
1734         u32 rptr = rdev->ih.rptr;
1735         u32 src_id, src_data;
1736         u32 ring_index;
1737         u32 disp_int, disp_int_cont, disp_int_cont2;
1738         u32 disp_int_cont3, disp_int_cont4, disp_int_cont5;
1739         unsigned long flags;
1740         bool queue_hotplug = false;
1741
1742         DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
1743         if (!rdev->ih.enabled)
1744                 return IRQ_NONE;
1745
1746         spin_lock_irqsave(&rdev->ih.lock, flags);
1747
1748         if (rptr == wptr) {
1749                 spin_unlock_irqrestore(&rdev->ih.lock, flags);
1750                 return IRQ_NONE;
1751         }
1752         if (rdev->shutdown) {
1753                 spin_unlock_irqrestore(&rdev->ih.lock, flags);
1754                 return IRQ_NONE;
1755         }
1756
1757 restart_ih:
1758         /* display interrupts */
1759         evergreen_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2,
1760                           &disp_int_cont3, &disp_int_cont4, &disp_int_cont5);
1761
1762         rdev->ih.wptr = wptr;
1763         while (rptr != wptr) {
1764                 /* wptr/rptr are in bytes! */
1765                 ring_index = rptr / 4;
1766                 src_id =  rdev->ih.ring[ring_index] & 0xff;
1767                 src_data = rdev->ih.ring[ring_index + 1] & 0xfffffff;
1768
1769                 switch (src_id) {
1770                 case 1: /* D1 vblank/vline */
1771                         switch (src_data) {
1772                         case 0: /* D1 vblank */
1773                                 if (disp_int & LB_D1_VBLANK_INTERRUPT) {
1774                                         drm_handle_vblank(rdev->ddev, 0);
1775                                         wake_up(&rdev->irq.vblank_queue);
1776                                         disp_int &= ~LB_D1_VBLANK_INTERRUPT;
1777                                         DRM_DEBUG("IH: D1 vblank\n");
1778                                 }
1779                                 break;
1780                         case 1: /* D1 vline */
1781                                 if (disp_int & LB_D1_VLINE_INTERRUPT) {
1782                                         disp_int &= ~LB_D1_VLINE_INTERRUPT;
1783                                         DRM_DEBUG("IH: D1 vline\n");
1784                                 }
1785                                 break;
1786                         default:
1787                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1788                                 break;
1789                         }
1790                         break;
1791                 case 2: /* D2 vblank/vline */
1792                         switch (src_data) {
1793                         case 0: /* D2 vblank */
1794                                 if (disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
1795                                         drm_handle_vblank(rdev->ddev, 1);
1796                                         wake_up(&rdev->irq.vblank_queue);
1797                                         disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
1798                                         DRM_DEBUG("IH: D2 vblank\n");
1799                                 }
1800                                 break;
1801                         case 1: /* D2 vline */
1802                                 if (disp_int_cont & LB_D2_VLINE_INTERRUPT) {
1803                                         disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
1804                                         DRM_DEBUG("IH: D2 vline\n");
1805                                 }
1806                                 break;
1807                         default:
1808                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1809                                 break;
1810                         }
1811                         break;
1812                 case 3: /* D3 vblank/vline */
1813                         switch (src_data) {
1814                         case 0: /* D3 vblank */
1815                                 if (disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
1816                                         drm_handle_vblank(rdev->ddev, 2);
1817                                         wake_up(&rdev->irq.vblank_queue);
1818                                         disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
1819                                         DRM_DEBUG("IH: D3 vblank\n");
1820                                 }
1821                                 break;
1822                         case 1: /* D3 vline */
1823                                 if (disp_int_cont2 & LB_D3_VLINE_INTERRUPT) {
1824                                         disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
1825                                         DRM_DEBUG("IH: D3 vline\n");
1826                                 }
1827                                 break;
1828                         default:
1829                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1830                                 break;
1831                         }
1832                         break;
1833                 case 4: /* D4 vblank/vline */
1834                         switch (src_data) {
1835                         case 0: /* D4 vblank */
1836                                 if (disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
1837                                         drm_handle_vblank(rdev->ddev, 3);
1838                                         wake_up(&rdev->irq.vblank_queue);
1839                                         disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
1840                                         DRM_DEBUG("IH: D4 vblank\n");
1841                                 }
1842                                 break;
1843                         case 1: /* D4 vline */
1844                                 if (disp_int_cont3 & LB_D4_VLINE_INTERRUPT) {
1845                                         disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
1846                                         DRM_DEBUG("IH: D4 vline\n");
1847                                 }
1848                                 break;
1849                         default:
1850                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1851                                 break;
1852                         }
1853                         break;
1854                 case 5: /* D5 vblank/vline */
1855                         switch (src_data) {
1856                         case 0: /* D5 vblank */
1857                                 if (disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
1858                                         drm_handle_vblank(rdev->ddev, 4);
1859                                         wake_up(&rdev->irq.vblank_queue);
1860                                         disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
1861                                         DRM_DEBUG("IH: D5 vblank\n");
1862                                 }
1863                                 break;
1864                         case 1: /* D5 vline */
1865                                 if (disp_int_cont4 & LB_D5_VLINE_INTERRUPT) {
1866                                         disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
1867                                         DRM_DEBUG("IH: D5 vline\n");
1868                                 }
1869                                 break;
1870                         default:
1871                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1872                                 break;
1873                         }
1874                         break;
1875                 case 6: /* D6 vblank/vline */
1876                         switch (src_data) {
1877                         case 0: /* D6 vblank */
1878                                 if (disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
1879                                         drm_handle_vblank(rdev->ddev, 5);
1880                                         wake_up(&rdev->irq.vblank_queue);
1881                                         disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
1882                                         DRM_DEBUG("IH: D6 vblank\n");
1883                                 }
1884                                 break;
1885                         case 1: /* D6 vline */
1886                                 if (disp_int_cont5 & LB_D6_VLINE_INTERRUPT) {
1887                                         disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
1888                                         DRM_DEBUG("IH: D6 vline\n");
1889                                 }
1890                                 break;
1891                         default:
1892                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1893                                 break;
1894                         }
1895                         break;
1896                 case 42: /* HPD hotplug */
1897                         switch (src_data) {
1898                         case 0:
1899                                 if (disp_int & DC_HPD1_INTERRUPT) {
1900                                         disp_int &= ~DC_HPD1_INTERRUPT;
1901                                         queue_hotplug = true;
1902                                         DRM_DEBUG("IH: HPD1\n");
1903                                 }
1904                                 break;
1905                         case 1:
1906                                 if (disp_int_cont & DC_HPD2_INTERRUPT) {
1907                                         disp_int_cont &= ~DC_HPD2_INTERRUPT;
1908                                         queue_hotplug = true;
1909                                         DRM_DEBUG("IH: HPD2\n");
1910                                 }
1911                                 break;
1912                         case 2:
1913                                 if (disp_int_cont2 & DC_HPD3_INTERRUPT) {
1914                                         disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
1915                                         queue_hotplug = true;
1916                                         DRM_DEBUG("IH: HPD3\n");
1917                                 }
1918                                 break;
1919                         case 3:
1920                                 if (disp_int_cont3 & DC_HPD4_INTERRUPT) {
1921                                         disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
1922                                         queue_hotplug = true;
1923                                         DRM_DEBUG("IH: HPD4\n");
1924                                 }
1925                                 break;
1926                         case 4:
1927                                 if (disp_int_cont4 & DC_HPD5_INTERRUPT) {
1928                                         disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
1929                                         queue_hotplug = true;
1930                                         DRM_DEBUG("IH: HPD5\n");
1931                                 }
1932                                 break;
1933                         case 5:
1934                                 if (disp_int_cont5 & DC_HPD6_INTERRUPT) {
1935                                         disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
1936                                         queue_hotplug = true;
1937                                         DRM_DEBUG("IH: HPD6\n");
1938                                 }
1939                                 break;
1940                         default:
1941                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1942                                 break;
1943                         }
1944                         break;
1945                 case 176: /* CP_INT in ring buffer */
1946                 case 177: /* CP_INT in IB1 */
1947                 case 178: /* CP_INT in IB2 */
1948                         DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
1949                         radeon_fence_process(rdev);
1950                         break;
1951                 case 181: /* CP EOP event */
1952                         DRM_DEBUG("IH: CP EOP\n");
1953                         break;
1954                 case 233: /* GUI IDLE */
1955                         DRM_DEBUG("IH: CP EOP\n");
1956                         rdev->pm.gui_idle = true;
1957                         wake_up(&rdev->irq.idle_queue);
1958                         break;
1959                 default:
1960                         DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1961                         break;
1962                 }
1963
1964                 /* wptr/rptr are in bytes! */
1965                 rptr += 16;
1966                 rptr &= rdev->ih.ptr_mask;
1967         }
1968         /* make sure wptr hasn't changed while processing */
1969         wptr = evergreen_get_ih_wptr(rdev);
1970         if (wptr != rdev->ih.wptr)
1971                 goto restart_ih;
1972         if (queue_hotplug)
1973                 queue_work(rdev->wq, &rdev->hotplug_work);
1974         rdev->ih.rptr = rptr;
1975         WREG32(IH_RB_RPTR, rdev->ih.rptr);
1976         spin_unlock_irqrestore(&rdev->ih.lock, flags);
1977         return IRQ_HANDLED;
1978 }
1979
1980 static int evergreen_startup(struct radeon_device *rdev)
1981 {
1982         int r;
1983
1984         if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
1985                 r = r600_init_microcode(rdev);
1986                 if (r) {
1987                         DRM_ERROR("Failed to load firmware!\n");
1988                         return r;
1989                 }
1990         }
1991
1992         evergreen_mc_program(rdev);
1993         if (rdev->flags & RADEON_IS_AGP) {
1994                 evergreen_agp_enable(rdev);
1995         } else {
1996                 r = evergreen_pcie_gart_enable(rdev);
1997                 if (r)
1998                         return r;
1999         }
2000         evergreen_gpu_init(rdev);
2001 #if 0
2002         if (!rdev->r600_blit.shader_obj) {
2003                 r = r600_blit_init(rdev);
2004                 if (r) {
2005                         DRM_ERROR("radeon: failed blitter (%d).\n", r);
2006                         return r;
2007                 }
2008         }
2009
2010         r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
2011         if (unlikely(r != 0))
2012                 return r;
2013         r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
2014                         &rdev->r600_blit.shader_gpu_addr);
2015         radeon_bo_unreserve(rdev->r600_blit.shader_obj);
2016         if (r) {
2017                 DRM_ERROR("failed to pin blit object %d\n", r);
2018                 return r;
2019         }
2020 #endif
2021
2022         /* Enable IRQ */
2023         r = r600_irq_init(rdev);
2024         if (r) {
2025                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
2026                 radeon_irq_kms_fini(rdev);
2027                 return r;
2028         }
2029         evergreen_irq_set(rdev);
2030
2031         r = radeon_ring_init(rdev, rdev->cp.ring_size);
2032         if (r)
2033                 return r;
2034         r = evergreen_cp_load_microcode(rdev);
2035         if (r)
2036                 return r;
2037         r = evergreen_cp_resume(rdev);
2038         if (r)
2039                 return r;
2040         /* write back buffer are not vital so don't worry about failure */
2041         r600_wb_enable(rdev);
2042
2043         return 0;
2044 }
2045
2046 int evergreen_resume(struct radeon_device *rdev)
2047 {
2048         int r;
2049
2050         /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2051          * posting will perform necessary task to bring back GPU into good
2052          * shape.
2053          */
2054         /* post card */
2055         atom_asic_init(rdev->mode_info.atom_context);
2056         /* Initialize clocks */
2057         r = radeon_clocks_init(rdev);
2058         if (r) {
2059                 return r;
2060         }
2061
2062         r = evergreen_startup(rdev);
2063         if (r) {
2064                 DRM_ERROR("r600 startup failed on resume\n");
2065                 return r;
2066         }
2067
2068         r = r600_ib_test(rdev);
2069         if (r) {
2070                 DRM_ERROR("radeon: failled testing IB (%d).\n", r);
2071                 return r;
2072         }
2073
2074         return r;
2075
2076 }
2077
2078 int evergreen_suspend(struct radeon_device *rdev)
2079 {
2080 #if 0
2081         int r;
2082 #endif
2083         /* FIXME: we should wait for ring to be empty */
2084         r700_cp_stop(rdev);
2085         rdev->cp.ready = false;
2086         evergreen_irq_suspend(rdev);
2087         r600_wb_disable(rdev);
2088         evergreen_pcie_gart_disable(rdev);
2089 #if 0
2090         /* unpin shaders bo */
2091         r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
2092         if (likely(r == 0)) {
2093                 radeon_bo_unpin(rdev->r600_blit.shader_obj);
2094                 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
2095         }
2096 #endif
2097         return 0;
2098 }
2099
2100 static bool evergreen_card_posted(struct radeon_device *rdev)
2101 {
2102         u32 reg;
2103
2104         /* first check CRTCs */
2105         reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
2106                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) |
2107                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) |
2108                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) |
2109                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) |
2110                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
2111         if (reg & EVERGREEN_CRTC_MASTER_EN)
2112                 return true;
2113
2114         /* then check MEM_SIZE, in case the crtcs are off */
2115         if (RREG32(CONFIG_MEMSIZE))
2116                 return true;
2117
2118         return false;
2119 }
2120
2121 /* Plan is to move initialization in that function and use
2122  * helper function so that radeon_device_init pretty much
2123  * do nothing more than calling asic specific function. This
2124  * should also allow to remove a bunch of callback function
2125  * like vram_info.
2126  */
2127 int evergreen_init(struct radeon_device *rdev)
2128 {
2129         int r;
2130
2131         r = radeon_dummy_page_init(rdev);
2132         if (r)
2133                 return r;
2134         /* This don't do much */
2135         r = radeon_gem_init(rdev);
2136         if (r)
2137                 return r;
2138         /* Read BIOS */
2139         if (!radeon_get_bios(rdev)) {
2140                 if (ASIC_IS_AVIVO(rdev))
2141                         return -EINVAL;
2142         }
2143         /* Must be an ATOMBIOS */
2144         if (!rdev->is_atom_bios) {
2145                 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
2146                 return -EINVAL;
2147         }
2148         r = radeon_atombios_init(rdev);
2149         if (r)
2150                 return r;
2151         /* Post card if necessary */
2152         if (!evergreen_card_posted(rdev)) {
2153                 if (!rdev->bios) {
2154                         dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2155                         return -EINVAL;
2156                 }
2157                 DRM_INFO("GPU not posted. posting now...\n");
2158                 atom_asic_init(rdev->mode_info.atom_context);
2159         }
2160         /* Initialize scratch registers */
2161         r600_scratch_init(rdev);
2162         /* Initialize surface registers */
2163         radeon_surface_init(rdev);
2164         /* Initialize clocks */
2165         radeon_get_clock_info(rdev->ddev);
2166         r = radeon_clocks_init(rdev);
2167         if (r)
2168                 return r;
2169         /* Fence driver */
2170         r = radeon_fence_driver_init(rdev);
2171         if (r)
2172                 return r;
2173         /* initialize AGP */
2174         if (rdev->flags & RADEON_IS_AGP) {
2175                 r = radeon_agp_init(rdev);
2176                 if (r)
2177                         radeon_agp_disable(rdev);
2178         }
2179         /* initialize memory controller */
2180         r = evergreen_mc_init(rdev);
2181         if (r)
2182                 return r;
2183         /* Memory manager */
2184         r = radeon_bo_init(rdev);
2185         if (r)
2186                 return r;
2187
2188         r = radeon_irq_kms_init(rdev);
2189         if (r)
2190                 return r;
2191
2192         rdev->cp.ring_obj = NULL;
2193         r600_ring_init(rdev, 1024 * 1024);
2194
2195         rdev->ih.ring_obj = NULL;
2196         r600_ih_ring_init(rdev, 64 * 1024);
2197
2198         r = r600_pcie_gart_init(rdev);
2199         if (r)
2200                 return r;
2201
2202         rdev->accel_working = true;
2203         r = evergreen_startup(rdev);
2204         if (r) {
2205                 dev_err(rdev->dev, "disabling GPU acceleration\n");
2206                 r700_cp_fini(rdev);
2207                 r600_wb_fini(rdev);
2208                 r600_irq_fini(rdev);
2209                 radeon_irq_kms_fini(rdev);
2210                 evergreen_pcie_gart_fini(rdev);
2211                 rdev->accel_working = false;
2212         }
2213         if (rdev->accel_working) {
2214                 r = radeon_ib_pool_init(rdev);
2215                 if (r) {
2216                         DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r);
2217                         rdev->accel_working = false;
2218                 }
2219                 r = r600_ib_test(rdev);
2220                 if (r) {
2221                         DRM_ERROR("radeon: failed testing IB (%d).\n", r);
2222                         rdev->accel_working = false;
2223                 }
2224         }
2225         return 0;
2226 }
2227
2228 void evergreen_fini(struct radeon_device *rdev)
2229 {
2230         /*r600_blit_fini(rdev);*/
2231         r700_cp_fini(rdev);
2232         r600_wb_fini(rdev);
2233         r600_irq_fini(rdev);
2234         radeon_irq_kms_fini(rdev);
2235         evergreen_pcie_gart_fini(rdev);
2236         radeon_gem_fini(rdev);
2237         radeon_fence_driver_fini(rdev);
2238         radeon_clocks_fini(rdev);
2239         radeon_agp_fini(rdev);
2240         radeon_bo_fini(rdev);
2241         radeon_atombios_fini(rdev);
2242         kfree(rdev->bios);
2243         rdev->bios = NULL;
2244         radeon_dummy_page_fini(rdev);
2245 }