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 static int evergreen_cp_start(struct radeon_device *rdev)
 679 {
 680         int r;
 681         uint32_t cp_me;
 682
 683         r = radeon_ring_lock(rdev, 7);
 684         if (r) {
 685                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
 686                 return r;
 687         }
 688         radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5));
 689         radeon_ring_write(rdev, 0x1);
 690         radeon_ring_write(rdev, 0x0);
 691         radeon_ring_write(rdev, rdev->config.evergreen.max_hw_contexts - 1);
 692         radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
 693         radeon_ring_write(rdev, 0);
 694         radeon_ring_write(rdev, 0);
 695         radeon_ring_unlock_commit(rdev);
 696
 697         cp_me = 0xff;
 698         WREG32(CP_ME_CNTL, cp_me);
 699
 700         r = radeon_ring_lock(rdev, 4);
 701         if (r) {
 702                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
 703                 return r;
 704         }
 705         /* init some VGT regs */
 706         radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
 707         radeon_ring_write(rdev, (VGT_VERTEX_REUSE_BLOCK_CNTL - PACKET3_SET_CONTEXT_REG_START) >> 2);
 708         radeon_ring_write(rdev, 0xe);
 709         radeon_ring_write(rdev, 0x10);
 710         radeon_ring_unlock_commit(rdev);
 711
 712         return 0;
 713 }
 714
 715 int evergreen_cp_resume(struct radeon_device *rdev)
 716 {
 717         u32 tmp;
 718         u32 rb_bufsz;
 719         int r;
 720
 721         /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
 722         WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
 723                                  SOFT_RESET_PA |
 724                                  SOFT_RESET_SH |
 725                                  SOFT_RESET_VGT |
 726                                  SOFT_RESET_SX));
 727         RREG32(GRBM_SOFT_RESET);
 728         mdelay(15);
 729         WREG32(GRBM_SOFT_RESET, 0);
 730         RREG32(GRBM_SOFT_RESET);
 731
 732         /* Set ring buffer size */
 733         rb_bufsz = drm_order(rdev->cp.ring_size / 8);
 734         tmp = RB_NO_UPDATE | (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
 735 #ifdef __BIG_ENDIAN
 736         tmp |= BUF_SWAP_32BIT;
 737 #endif
 738         WREG32(CP_RB_CNTL, tmp);
 739         WREG32(CP_SEM_WAIT_TIMER, 0x4);
 740
 741         /* Set the write pointer delay */
 742         WREG32(CP_RB_WPTR_DELAY, 0);
 743
 744         /* Initialize the ring buffer's read and write pointers */
 745         WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
 746         WREG32(CP_RB_RPTR_WR, 0);
 747         WREG32(CP_RB_WPTR, 0);
 748         WREG32(CP_RB_RPTR_ADDR, rdev->cp.gpu_addr & 0xFFFFFFFF);
 749         WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->cp.gpu_addr));
 750         mdelay(1);
 751         WREG32(CP_RB_CNTL, tmp);
 752
 753         WREG32(CP_RB_BASE, rdev->cp.gpu_addr >> 8);
 754         WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
 755
 756         rdev->cp.rptr = RREG32(CP_RB_RPTR);
 757         rdev->cp.wptr = RREG32(CP_RB_WPTR);
 758
 759         evergreen_cp_start(rdev);
 760         rdev->cp.ready = true;
 761         r = radeon_ring_test(rdev);
 762         if (r) {
 763                 rdev->cp.ready = false;
 764                 return r;
 765         }
 766         return 0;
 767 }
 768
 769 /*
 770  * Core functions
 771  */
 772 static u32 evergreen_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
 773                                                   u32 num_tile_pipes,
 774                                                   u32 num_backends,
 775                                                   u32 backend_disable_mask)
 776 {
 777         u32 backend_map = 0;
 778         u32 enabled_backends_mask = 0;
 779         u32 enabled_backends_count = 0;
 780         u32 cur_pipe;
 781         u32 swizzle_pipe[EVERGREEN_MAX_PIPES];
 782         u32 cur_backend = 0;
 783         u32 i;
 784         bool force_no_swizzle;
 785
 786         if (num_tile_pipes > EVERGREEN_MAX_PIPES)
 787                 num_tile_pipes = EVERGREEN_MAX_PIPES;
 788         if (num_tile_pipes < 1)
 789                 num_tile_pipes = 1;
 790         if (num_backends > EVERGREEN_MAX_BACKENDS)
 791                 num_backends = EVERGREEN_MAX_BACKENDS;
 792         if (num_backends < 1)
 793                 num_backends = 1;
 794
 795         for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) {
 796                 if (((backend_disable_mask >> i) & 1) == 0) {
 797                         enabled_backends_mask |= (1 << i);
 798                         ++enabled_backends_count;
 799                 }
 800                 if (enabled_backends_count == num_backends)
 801                         break;
 802         }
 803
 804         if (enabled_backends_count == 0) {
 805                 enabled_backends_mask = 1;
 806                 enabled_backends_count = 1;
 807         }
 808
 809         if (enabled_backends_count != num_backends)
 810                 num_backends = enabled_backends_count;
 811
 812         memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * EVERGREEN_MAX_PIPES);
 813         switch (rdev->family) {
 814         case CHIP_CEDAR:
 815         case CHIP_REDWOOD:
 816                 force_no_swizzle = false;
 817                 break;
 818         case CHIP_CYPRESS:
 819         case CHIP_HEMLOCK:
 820         case CHIP_JUNIPER:
 821         default:
 822                 force_no_swizzle = true;
 823                 break;
 824         }
 825         if (force_no_swizzle) {
 826                 bool last_backend_enabled = false;
 827
 828                 force_no_swizzle = false;
 829                 for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) {
 830                         if (((enabled_backends_mask >> i) & 1) == 1) {
 831                                 if (last_backend_enabled)
 832                                         force_no_swizzle = true;
 833                                 last_backend_enabled = true;
 834                         } else
 835                                 last_backend_enabled = false;
 836                 }
 837         }
 838
 839         switch (num_tile_pipes) {
 840         case 1:
 841         case 3:
 842         case 5:
 843         case 7:
 844                 DRM_ERROR("odd number of pipes!\n");
 845                 break;
 846         case 2:
 847                 swizzle_pipe[0] = 0;
 848                 swizzle_pipe[1] = 1;
 849                 break;
 850         case 4:
 851                 if (force_no_swizzle) {
 852                         swizzle_pipe[0] = 0;
 853                         swizzle_pipe[1] = 1;
 854                         swizzle_pipe[2] = 2;
 855                         swizzle_pipe[3] = 3;
 856                 } else {
 857                         swizzle_pipe[0] = 0;
 858                         swizzle_pipe[1] = 2;
 859                         swizzle_pipe[2] = 1;
 860                         swizzle_pipe[3] = 3;
 861                 }
 862                 break;
 863         case 6:
 864                 if (force_no_swizzle) {
 865                         swizzle_pipe[0] = 0;
 866                         swizzle_pipe[1] = 1;
 867                         swizzle_pipe[2] = 2;
 868                         swizzle_pipe[3] = 3;
 869                         swizzle_pipe[4] = 4;
 870                         swizzle_pipe[5] = 5;
 871                 } else {
 872                         swizzle_pipe[0] = 0;
 873                         swizzle_pipe[1] = 2;
 874                         swizzle_pipe[2] = 4;
 875                         swizzle_pipe[3] = 1;
 876                         swizzle_pipe[4] = 3;
 877                         swizzle_pipe[5] = 5;
 878                 }
 879                 break;
 880         case 8:
 881                 if (force_no_swizzle) {
 882                         swizzle_pipe[0] = 0;
 883                         swizzle_pipe[1] = 1;
 884                         swizzle_pipe[2] = 2;
 885                         swizzle_pipe[3] = 3;
 886                         swizzle_pipe[4] = 4;
 887                         swizzle_pipe[5] = 5;
 888                         swizzle_pipe[6] = 6;
 889                         swizzle_pipe[7] = 7;
 890                 } else {
 891                         swizzle_pipe[0] = 0;
 892                         swizzle_pipe[1] = 2;
 893                         swizzle_pipe[2] = 4;
 894                         swizzle_pipe[3] = 6;
 895                         swizzle_pipe[4] = 1;
 896                         swizzle_pipe[5] = 3;
 897                         swizzle_pipe[6] = 5;
 898                         swizzle_pipe[7] = 7;
 899                 }
 900                 break;
 901         }
 902
 903         for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
 904                 while (((1 << cur_backend) & enabled_backends_mask) == 0)
 905                         cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS;
 906
 907                 backend_map |= (((cur_backend & 0xf) << (swizzle_pipe[cur_pipe] * 4)));
 908
 909                 cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS;
 910         }
 911
 912         return backend_map;
 913 }
 914
 915 static void evergreen_gpu_init(struct radeon_device *rdev)
 916 {
 917         u32 cc_rb_backend_disable = 0;
 918         u32 cc_gc_shader_pipe_config;
 919         u32 gb_addr_config = 0;
 920         u32 mc_shared_chmap, mc_arb_ramcfg;
 921         u32 gb_backend_map;
 922         u32 grbm_gfx_index;
 923         u32 sx_debug_1;
 924         u32 smx_dc_ctl0;
 925         u32 sq_config;
 926         u32 sq_lds_resource_mgmt;
 927         u32 sq_gpr_resource_mgmt_1;
 928         u32 sq_gpr_resource_mgmt_2;
 929         u32 sq_gpr_resource_mgmt_3;
 930         u32 sq_thread_resource_mgmt;
 931         u32 sq_thread_resource_mgmt_2;
 932         u32 sq_stack_resource_mgmt_1;
 933         u32 sq_stack_resource_mgmt_2;
 934         u32 sq_stack_resource_mgmt_3;
 935         u32 vgt_cache_invalidation;
 936         u32 hdp_host_path_cntl;
 937         int i, j, num_shader_engines, ps_thread_count;
 938
 939         switch (rdev->family) {
 940         case CHIP_CYPRESS:
 941         case CHIP_HEMLOCK:
 942                 rdev->config.evergreen.num_ses = 2;
 943                 rdev->config.evergreen.max_pipes = 4;
 944                 rdev->config.evergreen.max_tile_pipes = 8;
 945                 rdev->config.evergreen.max_simds = 10;
 946                 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
 947                 rdev->config.evergreen.max_gprs = 256;
 948                 rdev->config.evergreen.max_threads = 248;
 949                 rdev->config.evergreen.max_gs_threads = 32;
 950                 rdev->config.evergreen.max_stack_entries = 512;
 951                 rdev->config.evergreen.sx_num_of_sets = 4;
 952                 rdev->config.evergreen.sx_max_export_size = 256;
 953                 rdev->config.evergreen.sx_max_export_pos_size = 64;
 954                 rdev->config.evergreen.sx_max_export_smx_size = 192;
 955                 rdev->config.evergreen.max_hw_contexts = 8;
 956                 rdev->config.evergreen.sq_num_cf_insts = 2;
 957
 958                 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
 959                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
 960                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
 961                 break;
 962         case CHIP_JUNIPER:
 963                 rdev->config.evergreen.num_ses = 1;
 964                 rdev->config.evergreen.max_pipes = 4;
 965                 rdev->config.evergreen.max_tile_pipes = 4;
 966                 rdev->config.evergreen.max_simds = 10;
 967                 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
 968                 rdev->config.evergreen.max_gprs = 256;
 969                 rdev->config.evergreen.max_threads = 248;
 970                 rdev->config.evergreen.max_gs_threads = 32;
 971                 rdev->config.evergreen.max_stack_entries = 512;
 972                 rdev->config.evergreen.sx_num_of_sets = 4;
 973                 rdev->config.evergreen.sx_max_export_size = 256;
 974                 rdev->config.evergreen.sx_max_export_pos_size = 64;
 975                 rdev->config.evergreen.sx_max_export_smx_size = 192;
 976                 rdev->config.evergreen.max_hw_contexts = 8;
 977                 rdev->config.evergreen.sq_num_cf_insts = 2;
 978
 979                 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
 980                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
 981                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
 982                 break;
 983         case CHIP_REDWOOD:
 984                 rdev->config.evergreen.num_ses = 1;
 985                 rdev->config.evergreen.max_pipes = 4;
 986                 rdev->config.evergreen.max_tile_pipes = 4;
 987                 rdev->config.evergreen.max_simds = 5;
 988                 rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
 989                 rdev->config.evergreen.max_gprs = 256;
 990                 rdev->config.evergreen.max_threads = 248;
 991                 rdev->config.evergreen.max_gs_threads = 32;
 992                 rdev->config.evergreen.max_stack_entries = 256;
 993                 rdev->config.evergreen.sx_num_of_sets = 4;
 994                 rdev->config.evergreen.sx_max_export_size = 256;
 995                 rdev->config.evergreen.sx_max_export_pos_size = 64;
 996                 rdev->config.evergreen.sx_max_export_smx_size = 192;
 997                 rdev->config.evergreen.max_hw_contexts = 8;
 998                 rdev->config.evergreen.sq_num_cf_insts = 2;
 999
1000                 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1001                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1002                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1003                 break;
1004         case CHIP_CEDAR:
1005         default:
1006                 rdev->config.evergreen.num_ses = 1;
1007                 rdev->config.evergreen.max_pipes = 2;
1008                 rdev->config.evergreen.max_tile_pipes = 2;
1009                 rdev->config.evergreen.max_simds = 2;
1010                 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1011                 rdev->config.evergreen.max_gprs = 256;
1012                 rdev->config.evergreen.max_threads = 192;
1013                 rdev->config.evergreen.max_gs_threads = 16;
1014                 rdev->config.evergreen.max_stack_entries = 256;
1015                 rdev->config.evergreen.sx_num_of_sets = 4;
1016                 rdev->config.evergreen.sx_max_export_size = 128;
1017                 rdev->config.evergreen.sx_max_export_pos_size = 32;
1018                 rdev->config.evergreen.sx_max_export_smx_size = 96;
1019                 rdev->config.evergreen.max_hw_contexts = 4;
1020                 rdev->config.evergreen.sq_num_cf_insts = 1;
1021
1022                 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1023                 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1024                 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1025                 break;
1026         }
1027
1028         /* Initialize HDP */
1029         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1030                 WREG32((0x2c14 + j), 0x00000000);
1031                 WREG32((0x2c18 + j), 0x00000000);
1032                 WREG32((0x2c1c + j), 0x00000000);
1033                 WREG32((0x2c20 + j), 0x00000000);
1034                 WREG32((0x2c24 + j), 0x00000000);
1035         }
1036
1037         WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1038
1039         cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & ~2;
1040
1041         cc_gc_shader_pipe_config |=
1042                 INACTIVE_QD_PIPES((EVERGREEN_MAX_PIPES_MASK << rdev->config.evergreen.max_pipes)
1043                                   & EVERGREEN_MAX_PIPES_MASK);
1044         cc_gc_shader_pipe_config |=
1045                 INACTIVE_SIMDS((EVERGREEN_MAX_SIMDS_MASK << rdev->config.evergreen.max_simds)
1046                                & EVERGREEN_MAX_SIMDS_MASK);
1047
1048         cc_rb_backend_disable =
1049                 BACKEND_DISABLE((EVERGREEN_MAX_BACKENDS_MASK << rdev->config.evergreen.max_backends)
1050                                 & EVERGREEN_MAX_BACKENDS_MASK);
1051
1052
1053         mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
1054         mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1055
1056         switch (rdev->config.evergreen.max_tile_pipes) {
1057         case 1:
1058         default:
1059                 gb_addr_config |= NUM_PIPES(0);
1060                 break;
1061         case 2:
1062                 gb_addr_config |= NUM_PIPES(1);
1063                 break;
1064         case 4:
1065                 gb_addr_config |= NUM_PIPES(2);
1066                 break;
1067         case 8:
1068                 gb_addr_config |= NUM_PIPES(3);
1069                 break;
1070         }
1071
1072         gb_addr_config |= PIPE_INTERLEAVE_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1073         gb_addr_config |= BANK_INTERLEAVE_SIZE(0);
1074         gb_addr_config |= NUM_SHADER_ENGINES(rdev->config.evergreen.num_ses - 1);
1075         gb_addr_config |= SHADER_ENGINE_TILE_SIZE(1);
1076         gb_addr_config |= NUM_GPUS(0); /* Hemlock? */
1077         gb_addr_config |= MULTI_GPU_TILE_SIZE(2);
1078
1079         if (((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT) > 2)
1080                 gb_addr_config |= ROW_SIZE(2);
1081         else
1082                 gb_addr_config |= ROW_SIZE((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT);
1083
1084         if (rdev->ddev->pdev->device == 0x689e) {
1085                 u32 efuse_straps_4;
1086                 u32 efuse_straps_3;
1087                 u8 efuse_box_bit_131_124;
1088
1089                 WREG32(RCU_IND_INDEX, 0x204);
1090                 efuse_straps_4 = RREG32(RCU_IND_DATA);
1091                 WREG32(RCU_IND_INDEX, 0x203);
1092                 efuse_straps_3 = RREG32(RCU_IND_DATA);
1093                 efuse_box_bit_131_124 = (u8)(((efuse_straps_4 & 0xf) << 4) | ((efuse_straps_3 & 0xf0000000) >> 28));
1094
1095                 switch(efuse_box_bit_131_124) {
1096                 case 0x00:
1097                         gb_backend_map = 0x76543210;
1098                         break;
1099                 case 0x55:
1100                         gb_backend_map = 0x77553311;
1101                         break;
1102                 case 0x56:
1103                         gb_backend_map = 0x77553300;
1104                         break;
1105                 case 0x59:
1106                         gb_backend_map = 0x77552211;
1107                         break;
1108                 case 0x66:
1109                         gb_backend_map = 0x77443300;
1110                         break;
1111                 case 0x99:
1112                         gb_backend_map = 0x66552211;
1113                         break;
1114                 case 0x5a:
1115                         gb_backend_map = 0x77552200;
1116                         break;
1117                 case 0xaa:
1118                         gb_backend_map = 0x66442200;
1119                         break;
1120                 case 0x95:
1121                         gb_backend_map = 0x66553311;
1122                         break;
1123                 default:
1124                         DRM_ERROR("bad backend map, using default\n");
1125                         gb_backend_map =
1126                                 evergreen_get_tile_pipe_to_backend_map(rdev,
1127                                                                        rdev->config.evergreen.max_tile_pipes,
1128                                                                        rdev->config.evergreen.max_backends,
1129                                                                        ((EVERGREEN_MAX_BACKENDS_MASK <<
1130                                                                    rdev->config.evergreen.max_backends) &
1131                                                                         EVERGREEN_MAX_BACKENDS_MASK));
1132                         break;
1133                 }
1134         } else if (rdev->ddev->pdev->device == 0x68b9) {
1135                 u32 efuse_straps_3;
1136                 u8 efuse_box_bit_127_124;
1137
1138                 WREG32(RCU_IND_INDEX, 0x203);
1139                 efuse_straps_3 = RREG32(RCU_IND_DATA);
1140                 efuse_box_bit_127_124 = (u8)((efuse_straps_3 & 0xF0000000) >> 28);
1141
1142                 switch(efuse_box_bit_127_124) {
1143                 case 0x0:
1144                         gb_backend_map = 0x00003210;
1145                         break;
1146                 case 0x5:
1147                 case 0x6:
1148                 case 0x9:
1149                 case 0xa:
1150                         gb_backend_map = 0x00003311;
1151                         break;
1152                 default:
1153                         DRM_ERROR("bad backend map, using default\n");
1154                         gb_backend_map =
1155                                 evergreen_get_tile_pipe_to_backend_map(rdev,
1156                                                                        rdev->config.evergreen.max_tile_pipes,
1157                                                                        rdev->config.evergreen.max_backends,
1158                                                                        ((EVERGREEN_MAX_BACKENDS_MASK <<
1159                                                                    rdev->config.evergreen.max_backends) &
1160                                                                         EVERGREEN_MAX_BACKENDS_MASK));
1161                         break;
1162                 }
1163         } else {
1164                 switch (rdev->family) {
1165                 case CHIP_CYPRESS:
1166                 case CHIP_HEMLOCK:
1167                         gb_backend_map = 0x66442200;
1168                         break;
1169                 case CHIP_JUNIPER:
1170                         gb_backend_map = 0x00006420;
1171                         break;
1172                 default:
1173                         gb_backend_map =
1174                                 evergreen_get_tile_pipe_to_backend_map(rdev,
1175                                                                        rdev->config.evergreen.max_tile_pipes,
1176                                                                        rdev->config.evergreen.max_backends,
1177                                                                        ((EVERGREEN_MAX_BACKENDS_MASK <<
1178                                                                          rdev->config.evergreen.max_backends) &
1179                                                                         EVERGREEN_MAX_BACKENDS_MASK));
1180                 }
1181         }
1182
1183         rdev->config.evergreen.tile_config = gb_addr_config;
1184         WREG32(GB_BACKEND_MAP, gb_backend_map);
1185         WREG32(GB_ADDR_CONFIG, gb_addr_config);
1186         WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1187         WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1188
1189         num_shader_engines = ((RREG32(GB_ADDR_CONFIG) & NUM_SHADER_ENGINES(3)) >> 12) + 1;
1190         grbm_gfx_index = INSTANCE_BROADCAST_WRITES;
1191
1192         for (i = 0; i < rdev->config.evergreen.num_ses; i++) {
1193                 u32 rb = cc_rb_backend_disable | (0xf0 << 16);
1194                 u32 sp = cc_gc_shader_pipe_config;
1195                 u32 gfx = grbm_gfx_index | SE_INDEX(i);
1196
1197                 if (i == num_shader_engines) {
1198                         rb |= BACKEND_DISABLE(EVERGREEN_MAX_BACKENDS_MASK);
1199                         sp |= INACTIVE_SIMDS(EVERGREEN_MAX_SIMDS_MASK);
1200                 }
1201
1202                 WREG32(GRBM_GFX_INDEX, gfx);
1203                 WREG32(RLC_GFX_INDEX, gfx);
1204
1205                 WREG32(CC_RB_BACKEND_DISABLE, rb);
1206                 WREG32(CC_SYS_RB_BACKEND_DISABLE, rb);
1207                 WREG32(GC_USER_RB_BACKEND_DISABLE, rb);
1208                 WREG32(CC_GC_SHADER_PIPE_CONFIG, sp);
1209         }
1210
1211         grbm_gfx_index |= SE_BROADCAST_WRITES;
1212         WREG32(GRBM_GFX_INDEX, grbm_gfx_index);
1213         WREG32(RLC_GFX_INDEX, grbm_gfx_index);
1214
1215         WREG32(CGTS_SYS_TCC_DISABLE, 0);
1216         WREG32(CGTS_TCC_DISABLE, 0);
1217         WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
1218         WREG32(CGTS_USER_TCC_DISABLE, 0);
1219
1220         /* set HW defaults for 3D engine */
1221         WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
1222                                      ROQ_IB2_START(0x2b)));
1223
1224         WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
1225
1226         WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
1227                              SYNC_GRADIENT |
1228                              SYNC_WALKER |
1229                              SYNC_ALIGNER));
1230
1231         sx_debug_1 = RREG32(SX_DEBUG_1);
1232         sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1233         WREG32(SX_DEBUG_1, sx_debug_1);
1234
1235
1236         smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1237         smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1238         smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
1239         WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1240
1241         WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
1242                                         POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
1243                                         SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
1244
1245         WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
1246                                  SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
1247                                  SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));
1248
1249         WREG32(VGT_NUM_INSTANCES, 1);
1250         WREG32(SPI_CONFIG_CNTL, 0);
1251         WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
1252         WREG32(CP_PERFMON_CNTL, 0);
1253
1254         WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
1255                                   FETCH_FIFO_HIWATER(0x4) |
1256                                   DONE_FIFO_HIWATER(0xe0) |
1257                                   ALU_UPDATE_FIFO_HIWATER(0x8)));
1258
1259         sq_config = RREG32(SQ_CONFIG);
1260         sq_config &= ~(PS_PRIO(3) |
1261                        VS_PRIO(3) |
1262                        GS_PRIO(3) |
1263                        ES_PRIO(3));
1264         sq_config |= (VC_ENABLE |
1265                       EXPORT_SRC_C |
1266                       PS_PRIO(0) |
1267                       VS_PRIO(1) |
1268                       GS_PRIO(2) |
1269                       ES_PRIO(3));
1270
1271         if (rdev->family == CHIP_CEDAR)
1272                 /* no vertex cache */
1273                 sq_config &= ~VC_ENABLE;
1274
1275         sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);
1276
1277         sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32);
1278         sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32);
1279         sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4);
1280         sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
1281         sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
1282         sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
1283         sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
1284
1285         if (rdev->family == CHIP_CEDAR)
1286                 ps_thread_count = 96;
1287         else
1288                 ps_thread_count = 128;
1289
1290         sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
1291         sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1292         sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1293         sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1294         sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1295         sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
1296
1297         sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1298         sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1299         sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1300         sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1301         sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1302         sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
1303
1304         WREG32(SQ_CONFIG, sq_config);
1305         WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
1306         WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
1307         WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3);
1308         WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
1309         WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2);
1310         WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
1311         WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
1312         WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3);
1313         WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
1314         WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt);
1315
1316         WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1317                                           FORCE_EOV_MAX_REZ_CNT(255)));
1318
1319         if (rdev->family == CHIP_CEDAR)
1320                 vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
1321         else
1322                 vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
1323         vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
1324         WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);
1325
1326         WREG32(VGT_GS_VERTEX_REUSE, 16);
1327         WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1328
1329         WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14);
1330         WREG32(VGT_OUT_DEALLOC_CNTL, 16);
1331
1332         WREG32(CB_PERF_CTR0_SEL_0, 0);
1333         WREG32(CB_PERF_CTR0_SEL_1, 0);
1334         WREG32(CB_PERF_CTR1_SEL_0, 0);
1335         WREG32(CB_PERF_CTR1_SEL_1, 0);
1336         WREG32(CB_PERF_CTR2_SEL_0, 0);
1337         WREG32(CB_PERF_CTR2_SEL_1, 0);
1338         WREG32(CB_PERF_CTR3_SEL_0, 0);
1339         WREG32(CB_PERF_CTR3_SEL_1, 0);
1340
1341         /* clear render buffer base addresses */
1342         WREG32(CB_COLOR0_BASE, 0);
1343         WREG32(CB_COLOR1_BASE, 0);
1344         WREG32(CB_COLOR2_BASE, 0);
1345         WREG32(CB_COLOR3_BASE, 0);
1346         WREG32(CB_COLOR4_BASE, 0);
1347         WREG32(CB_COLOR5_BASE, 0);
1348         WREG32(CB_COLOR6_BASE, 0);
1349         WREG32(CB_COLOR7_BASE, 0);
1350         WREG32(CB_COLOR8_BASE, 0);
1351         WREG32(CB_COLOR9_BASE, 0);
1352         WREG32(CB_COLOR10_BASE, 0);
1353         WREG32(CB_COLOR11_BASE, 0);
1354
1355         /* set the shader const cache sizes to 0 */
1356         for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4)
1357                 WREG32(i, 0);
1358         for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4)
1359                 WREG32(i, 0);
1360
1361         hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1362         WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1363
1364         WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1365
1366         udelay(50);
1367
1368 }
1369
1370 int evergreen_mc_init(struct radeon_device *rdev)
1371 {
1372         u32 tmp;
1373         int chansize, numchan;
1374
1375         /* Get VRAM informations */
1376         rdev->mc.vram_is_ddr = true;
1377         tmp = RREG32(MC_ARB_RAMCFG);
1378         if (tmp & CHANSIZE_OVERRIDE) {
1379                 chansize = 16;
1380         } else if (tmp & CHANSIZE_MASK) {
1381                 chansize = 64;
1382         } else {
1383                 chansize = 32;
1384         }
1385         tmp = RREG32(MC_SHARED_CHMAP);
1386         switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1387         case 0:
1388         default:
1389                 numchan = 1;
1390                 break;
1391         case 1:
1392                 numchan = 2;
1393                 break;
1394         case 2:
1395                 numchan = 4;
1396                 break;
1397         case 3:
1398                 numchan = 8;
1399                 break;
1400         }
1401         rdev->mc.vram_width = numchan * chansize;
1402         /* Could aper size report 0 ? */
1403         rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1404         rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1405         /* Setup GPU memory space */
1406         /* size in MB on evergreen */
1407         rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
1408         rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
1409         rdev->mc.visible_vram_size = rdev->mc.aper_size;
1410         rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
1411         r600_vram_gtt_location(rdev, &rdev->mc);
1412         radeon_update_bandwidth_info(rdev);
1413
1414         return 0;
1415 }
1416
1417 bool evergreen_gpu_is_lockup(struct radeon_device *rdev)
1418 {
1419         /* FIXME: implement for evergreen */
1420         return false;
1421 }
1422
1423 static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
1424 {
1425         struct evergreen_mc_save save;
1426         u32 srbm_reset = 0;
1427         u32 grbm_reset = 0;
1428
1429         dev_info(rdev->dev, "GPU softreset \n");
1430         dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
1431                 RREG32(GRBM_STATUS));
1432         dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
1433                 RREG32(GRBM_STATUS_SE0));
1434         dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
1435                 RREG32(GRBM_STATUS_SE1));
1436         dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
1437                 RREG32(SRBM_STATUS));
1438         evergreen_mc_stop(rdev, &save);
1439         if (evergreen_mc_wait_for_idle(rdev)) {
1440                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1441         }
1442         /* Disable CP parsing/prefetching */
1443         WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1444
1445         /* reset all the gfx blocks */
1446         grbm_reset = (SOFT_RESET_CP |
1447                       SOFT_RESET_CB |
1448                       SOFT_RESET_DB |
1449                       SOFT_RESET_PA |
1450                       SOFT_RESET_SC |
1451                       SOFT_RESET_SPI |
1452                       SOFT_RESET_SH |
1453                       SOFT_RESET_SX |
1454                       SOFT_RESET_TC |
1455                       SOFT_RESET_TA |
1456                       SOFT_RESET_VC |
1457                       SOFT_RESET_VGT);
1458
1459         dev_info(rdev->dev, "  GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
1460         WREG32(GRBM_SOFT_RESET, grbm_reset);
1461         (void)RREG32(GRBM_SOFT_RESET);
1462         udelay(50);
1463         WREG32(GRBM_SOFT_RESET, 0);
1464         (void)RREG32(GRBM_SOFT_RESET);
1465
1466         /* reset all the system blocks */
1467         srbm_reset = SRBM_SOFT_RESET_ALL_MASK;
1468
1469         dev_info(rdev->dev, "  SRBM_SOFT_RESET=0x%08X\n", srbm_reset);
1470         WREG32(SRBM_SOFT_RESET, srbm_reset);
1471         (void)RREG32(SRBM_SOFT_RESET);
1472         udelay(50);
1473         WREG32(SRBM_SOFT_RESET, 0);
1474         (void)RREG32(SRBM_SOFT_RESET);
1475         /* Wait a little for things to settle down */
1476         udelay(50);
1477         dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
1478                 RREG32(GRBM_STATUS));
1479         dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
1480                 RREG32(GRBM_STATUS_SE0));
1481         dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
1482                 RREG32(GRBM_STATUS_SE1));
1483         dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
1484                 RREG32(SRBM_STATUS));
1485         /* After reset we need to reinit the asic as GPU often endup in an
1486          * incoherent state.
1487          */
1488         atom_asic_init(rdev->mode_info.atom_context);
1489         evergreen_mc_resume(rdev, &save);
1490         return 0;
1491 }
1492
1493 int evergreen_asic_reset(struct radeon_device *rdev)
1494 {
1495         return evergreen_gpu_soft_reset(rdev);
1496 }
1497
1498 /* Interrupts */
1499
1500 u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
1501 {
1502         switch (crtc) {
1503         case 0:
1504                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC0_REGISTER_OFFSET);
1505         case 1:
1506                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC1_REGISTER_OFFSET);
1507         case 2:
1508                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC2_REGISTER_OFFSET);
1509         case 3:
1510                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC3_REGISTER_OFFSET);
1511         case 4:
1512                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC4_REGISTER_OFFSET);
1513         case 5:
1514                 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC5_REGISTER_OFFSET);
1515         default:
1516                 return 0;
1517         }
1518 }
1519
1520 void evergreen_disable_interrupt_state(struct radeon_device *rdev)
1521 {
1522         u32 tmp;
1523
1524         WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
1525         WREG32(GRBM_INT_CNTL, 0);
1526         WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
1527         WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
1528         WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
1529         WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
1530         WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
1531         WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1532
1533         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
1534         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
1535         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
1536         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
1537         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
1538         WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1539
1540         WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
1541         WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
1542
1543         tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1544         WREG32(DC_HPD1_INT_CONTROL, tmp);
1545         tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1546         WREG32(DC_HPD2_INT_CONTROL, tmp);
1547         tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1548         WREG32(DC_HPD3_INT_CONTROL, tmp);
1549         tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1550         WREG32(DC_HPD4_INT_CONTROL, tmp);
1551         tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1552         WREG32(DC_HPD5_INT_CONTROL, tmp);
1553         tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
1554         WREG32(DC_HPD6_INT_CONTROL, tmp);
1555
1556 }
1557
1558 int evergreen_irq_set(struct radeon_device *rdev)
1559 {
1560         u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
1561         u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
1562         u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
1563         u32 grbm_int_cntl = 0;
1564
1565         if (!rdev->irq.installed) {
1566                 WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
1567                 return -EINVAL;
1568         }
1569         /* don't enable anything if the ih is disabled */
1570         if (!rdev->ih.enabled) {
1571                 r600_disable_interrupts(rdev);
1572                 /* force the active interrupt state to all disabled */
1573                 evergreen_disable_interrupt_state(rdev);
1574                 return 0;
1575         }
1576
1577         hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
1578         hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
1579         hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
1580         hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
1581         hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
1582         hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
1583
1584         if (rdev->irq.sw_int) {
1585                 DRM_DEBUG("evergreen_irq_set: sw int\n");
1586                 cp_int_cntl |= RB_INT_ENABLE;
1587         }
1588         if (rdev->irq.crtc_vblank_int[0]) {
1589                 DRM_DEBUG("evergreen_irq_set: vblank 0\n");
1590                 crtc1 |= VBLANK_INT_MASK;
1591         }
1592         if (rdev->irq.crtc_vblank_int[1]) {
1593                 DRM_DEBUG("evergreen_irq_set: vblank 1\n");
1594                 crtc2 |= VBLANK_INT_MASK;
1595         }
1596         if (rdev->irq.crtc_vblank_int[2]) {
1597                 DRM_DEBUG("evergreen_irq_set: vblank 2\n");
1598                 crtc3 |= VBLANK_INT_MASK;
1599         }
1600         if (rdev->irq.crtc_vblank_int[3]) {
1601                 DRM_DEBUG("evergreen_irq_set: vblank 3\n");
1602                 crtc4 |= VBLANK_INT_MASK;
1603         }
1604         if (rdev->irq.crtc_vblank_int[4]) {
1605                 DRM_DEBUG("evergreen_irq_set: vblank 4\n");
1606                 crtc5 |= VBLANK_INT_MASK;
1607         }
1608         if (rdev->irq.crtc_vblank_int[5]) {
1609                 DRM_DEBUG("evergreen_irq_set: vblank 5\n");
1610                 crtc6 |= VBLANK_INT_MASK;
1611         }
1612         if (rdev->irq.hpd[0]) {
1613                 DRM_DEBUG("evergreen_irq_set: hpd 1\n");
1614                 hpd1 |= DC_HPDx_INT_EN;
1615         }
1616         if (rdev->irq.hpd[1]) {
1617                 DRM_DEBUG("evergreen_irq_set: hpd 2\n");
1618                 hpd2 |= DC_HPDx_INT_EN;
1619         }
1620         if (rdev->irq.hpd[2]) {
1621                 DRM_DEBUG("evergreen_irq_set: hpd 3\n");
1622                 hpd3 |= DC_HPDx_INT_EN;
1623         }
1624         if (rdev->irq.hpd[3]) {
1625                 DRM_DEBUG("evergreen_irq_set: hpd 4\n");
1626                 hpd4 |= DC_HPDx_INT_EN;
1627         }
1628         if (rdev->irq.hpd[4]) {
1629                 DRM_DEBUG("evergreen_irq_set: hpd 5\n");
1630                 hpd5 |= DC_HPDx_INT_EN;
1631         }
1632         if (rdev->irq.hpd[5]) {
1633                 DRM_DEBUG("evergreen_irq_set: hpd 6\n");
1634                 hpd6 |= DC_HPDx_INT_EN;
1635         }
1636         if (rdev->irq.gui_idle) {
1637                 DRM_DEBUG("gui idle\n");
1638                 grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
1639         }
1640
1641         WREG32(CP_INT_CNTL, cp_int_cntl);
1642         WREG32(GRBM_INT_CNTL, grbm_int_cntl);
1643
1644         WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
1645         WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
1646         WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
1647         WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
1648         WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
1649         WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
1650
1651         WREG32(DC_HPD1_INT_CONTROL, hpd1);
1652         WREG32(DC_HPD2_INT_CONTROL, hpd2);
1653         WREG32(DC_HPD3_INT_CONTROL, hpd3);
1654         WREG32(DC_HPD4_INT_CONTROL, hpd4);
1655         WREG32(DC_HPD5_INT_CONTROL, hpd5);
1656         WREG32(DC_HPD6_INT_CONTROL, hpd6);
1657
1658         return 0;
1659 }
1660
1661 static inline void evergreen_irq_ack(struct radeon_device *rdev,
1662                                      u32 *disp_int,
1663                                      u32 *disp_int_cont,
1664                                      u32 *disp_int_cont2,
1665                                      u32 *disp_int_cont3,
1666                                      u32 *disp_int_cont4,
1667                                      u32 *disp_int_cont5)
1668 {
1669         u32 tmp;
1670
1671         *disp_int = RREG32(DISP_INTERRUPT_STATUS);
1672         *disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
1673         *disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
1674         *disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
1675         *disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
1676         *disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
1677
1678         if (*disp_int & LB_D1_VBLANK_INTERRUPT)
1679                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
1680         if (*disp_int & LB_D1_VLINE_INTERRUPT)
1681                 WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
1682
1683         if (*disp_int_cont & LB_D2_VBLANK_INTERRUPT)
1684                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
1685         if (*disp_int_cont & LB_D2_VLINE_INTERRUPT)
1686                 WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
1687
1688         if (*disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
1689                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
1690         if (*disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
1691                 WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
1692
1693         if (*disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
1694                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
1695         if (*disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
1696                 WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
1697
1698         if (*disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
1699                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
1700         if (*disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
1701                 WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
1702
1703         if (*disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
1704                 WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
1705         if (*disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
1706                 WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
1707
1708         if (*disp_int & DC_HPD1_INTERRUPT) {
1709                 tmp = RREG32(DC_HPD1_INT_CONTROL);
1710                 tmp |= DC_HPDx_INT_ACK;
1711                 WREG32(DC_HPD1_INT_CONTROL, tmp);
1712         }
1713         if (*disp_int_cont & DC_HPD2_INTERRUPT) {
1714                 tmp = RREG32(DC_HPD2_INT_CONTROL);
1715                 tmp |= DC_HPDx_INT_ACK;
1716                 WREG32(DC_HPD2_INT_CONTROL, tmp);
1717         }
1718         if (*disp_int_cont2 & DC_HPD3_INTERRUPT) {
1719                 tmp = RREG32(DC_HPD3_INT_CONTROL);
1720                 tmp |= DC_HPDx_INT_ACK;
1721                 WREG32(DC_HPD3_INT_CONTROL, tmp);
1722         }
1723         if (*disp_int_cont3 & DC_HPD4_INTERRUPT) {
1724                 tmp = RREG32(DC_HPD4_INT_CONTROL);
1725                 tmp |= DC_HPDx_INT_ACK;
1726                 WREG32(DC_HPD4_INT_CONTROL, tmp);
1727         }
1728         if (*disp_int_cont4 & DC_HPD5_INTERRUPT) {
1729                 tmp = RREG32(DC_HPD5_INT_CONTROL);
1730                 tmp |= DC_HPDx_INT_ACK;
1731                 WREG32(DC_HPD5_INT_CONTROL, tmp);
1732         }
1733         if (*disp_int_cont5 & DC_HPD6_INTERRUPT) {
1734                 tmp = RREG32(DC_HPD5_INT_CONTROL);
1735                 tmp |= DC_HPDx_INT_ACK;
1736                 WREG32(DC_HPD6_INT_CONTROL, tmp);
1737         }
1738 }
1739
1740 void evergreen_irq_disable(struct radeon_device *rdev)
1741 {
1742         u32 disp_int, disp_int_cont, disp_int_cont2;
1743         u32 disp_int_cont3, disp_int_cont4, disp_int_cont5;
1744
1745         r600_disable_interrupts(rdev);
1746         /* Wait and acknowledge irq */
1747         mdelay(1);
1748         evergreen_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2,
1749                           &disp_int_cont3, &disp_int_cont4, &disp_int_cont5);
1750         evergreen_disable_interrupt_state(rdev);
1751 }
1752
1753 static void evergreen_irq_suspend(struct radeon_device *rdev)
1754 {
1755         evergreen_irq_disable(rdev);
1756         r600_rlc_stop(rdev);
1757 }
1758
1759 static inline u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
1760 {
1761         u32 wptr, tmp;
1762
1763         /* XXX use writeback */
1764         wptr = RREG32(IH_RB_WPTR);
1765
1766         if (wptr & RB_OVERFLOW) {
1767                 /* When a ring buffer overflow happen start parsing interrupt
1768                  * from the last not overwritten vector (wptr + 16). Hopefully
1769                  * this should allow us to catchup.
1770                  */
1771                 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
1772                         wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
1773                 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
1774                 tmp = RREG32(IH_RB_CNTL);
1775                 tmp |= IH_WPTR_OVERFLOW_CLEAR;
1776                 WREG32(IH_RB_CNTL, tmp);
1777         }
1778         return (wptr & rdev->ih.ptr_mask);
1779 }
1780
1781 int evergreen_irq_process(struct radeon_device *rdev)
1782 {
1783         u32 wptr = evergreen_get_ih_wptr(rdev);
1784         u32 rptr = rdev->ih.rptr;
1785         u32 src_id, src_data;
1786         u32 ring_index;
1787         u32 disp_int, disp_int_cont, disp_int_cont2;
1788         u32 disp_int_cont3, disp_int_cont4, disp_int_cont5;
1789         unsigned long flags;
1790         bool queue_hotplug = false;
1791
1792         DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
1793         if (!rdev->ih.enabled)
1794                 return IRQ_NONE;
1795
1796         spin_lock_irqsave(&rdev->ih.lock, flags);
1797
1798         if (rptr == wptr) {
1799                 spin_unlock_irqrestore(&rdev->ih.lock, flags);
1800                 return IRQ_NONE;
1801         }
1802         if (rdev->shutdown) {
1803                 spin_unlock_irqrestore(&rdev->ih.lock, flags);
1804                 return IRQ_NONE;
1805         }
1806
1807 restart_ih:
1808         /* display interrupts */
1809         evergreen_irq_ack(rdev, &disp_int, &disp_int_cont, &disp_int_cont2,
1810                           &disp_int_cont3, &disp_int_cont4, &disp_int_cont5);
1811
1812         rdev->ih.wptr = wptr;
1813         while (rptr != wptr) {
1814                 /* wptr/rptr are in bytes! */
1815                 ring_index = rptr / 4;
1816                 src_id =  rdev->ih.ring[ring_index] & 0xff;
1817                 src_data = rdev->ih.ring[ring_index + 1] & 0xfffffff;
1818
1819                 switch (src_id) {
1820                 case 1: /* D1 vblank/vline */
1821                         switch (src_data) {
1822                         case 0: /* D1 vblank */
1823                                 if (disp_int & LB_D1_VBLANK_INTERRUPT) {
1824                                         drm_handle_vblank(rdev->ddev, 0);
1825                                         wake_up(&rdev->irq.vblank_queue);
1826                                         disp_int &= ~LB_D1_VBLANK_INTERRUPT;
1827                                         DRM_DEBUG("IH: D1 vblank\n");
1828                                 }
1829                                 break;
1830                         case 1: /* D1 vline */
1831                                 if (disp_int & LB_D1_VLINE_INTERRUPT) {
1832                                         disp_int &= ~LB_D1_VLINE_INTERRUPT;
1833                                         DRM_DEBUG("IH: D1 vline\n");
1834                                 }
1835                                 break;
1836                         default:
1837                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1838                                 break;
1839                         }
1840                         break;
1841                 case 2: /* D2 vblank/vline */
1842                         switch (src_data) {
1843                         case 0: /* D2 vblank */
1844                                 if (disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
1845                                         drm_handle_vblank(rdev->ddev, 1);
1846                                         wake_up(&rdev->irq.vblank_queue);
1847                                         disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
1848                                         DRM_DEBUG("IH: D2 vblank\n");
1849                                 }
1850                                 break;
1851                         case 1: /* D2 vline */
1852                                 if (disp_int_cont & LB_D2_VLINE_INTERRUPT) {
1853                                         disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
1854                                         DRM_DEBUG("IH: D2 vline\n");
1855                                 }
1856                                 break;
1857                         default:
1858                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1859                                 break;
1860                         }
1861                         break;
1862                 case 3: /* D3 vblank/vline */
1863                         switch (src_data) {
1864                         case 0: /* D3 vblank */
1865                                 if (disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
1866                                         drm_handle_vblank(rdev->ddev, 2);
1867                                         wake_up(&rdev->irq.vblank_queue);
1868                                         disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
1869                                         DRM_DEBUG("IH: D3 vblank\n");
1870                                 }
1871                                 break;
1872                         case 1: /* D3 vline */
1873                                 if (disp_int_cont2 & LB_D3_VLINE_INTERRUPT) {
1874                                         disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
1875                                         DRM_DEBUG("IH: D3 vline\n");
1876                                 }
1877                                 break;
1878                         default:
1879                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1880                                 break;
1881                         }
1882                         break;
1883                 case 4: /* D4 vblank/vline */
1884                         switch (src_data) {
1885                         case 0: /* D4 vblank */
1886                                 if (disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
1887                                         drm_handle_vblank(rdev->ddev, 3);
1888                                         wake_up(&rdev->irq.vblank_queue);
1889                                         disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
1890                                         DRM_DEBUG("IH: D4 vblank\n");
1891                                 }
1892                                 break;
1893                         case 1: /* D4 vline */
1894                                 if (disp_int_cont3 & LB_D4_VLINE_INTERRUPT) {
1895                                         disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
1896                                         DRM_DEBUG("IH: D4 vline\n");
1897                                 }
1898                                 break;
1899                         default:
1900                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1901                                 break;
1902                         }
1903                         break;
1904                 case 5: /* D5 vblank/vline */
1905                         switch (src_data) {
1906                         case 0: /* D5 vblank */
1907                                 if (disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
1908                                         drm_handle_vblank(rdev->ddev, 4);
1909                                         wake_up(&rdev->irq.vblank_queue);
1910                                         disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
1911                                         DRM_DEBUG("IH: D5 vblank\n");
1912                                 }
1913                                 break;
1914                         case 1: /* D5 vline */
1915                                 if (disp_int_cont4 & LB_D5_VLINE_INTERRUPT) {
1916                                         disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
1917                                         DRM_DEBUG("IH: D5 vline\n");
1918                                 }
1919                                 break;
1920                         default:
1921                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1922                                 break;
1923                         }
1924                         break;
1925                 case 6: /* D6 vblank/vline */
1926                         switch (src_data) {
1927                         case 0: /* D6 vblank */
1928                                 if (disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
1929                                         drm_handle_vblank(rdev->ddev, 5);
1930                                         wake_up(&rdev->irq.vblank_queue);
1931                                         disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
1932                                         DRM_DEBUG("IH: D6 vblank\n");
1933                                 }
1934                                 break;
1935                         case 1: /* D6 vline */
1936                                 if (disp_int_cont5 & LB_D6_VLINE_INTERRUPT) {
1937                                         disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
1938                                         DRM_DEBUG("IH: D6 vline\n");
1939                                 }
1940                                 break;
1941                         default:
1942                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1943                                 break;
1944                         }
1945                         break;
1946                 case 42: /* HPD hotplug */
1947                         switch (src_data) {
1948                         case 0:
1949                                 if (disp_int & DC_HPD1_INTERRUPT) {
1950                                         disp_int &= ~DC_HPD1_INTERRUPT;
1951                                         queue_hotplug = true;
1952                                         DRM_DEBUG("IH: HPD1\n");
1953                                 }
1954                                 break;
1955                         case 1:
1956                                 if (disp_int_cont & DC_HPD2_INTERRUPT) {
1957                                         disp_int_cont &= ~DC_HPD2_INTERRUPT;
1958                                         queue_hotplug = true;
1959                                         DRM_DEBUG("IH: HPD2\n");
1960                                 }
1961                                 break;
1962                         case 2:
1963                                 if (disp_int_cont2 & DC_HPD3_INTERRUPT) {
1964                                         disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
1965                                         queue_hotplug = true;
1966                                         DRM_DEBUG("IH: HPD3\n");
1967                                 }
1968                                 break;
1969                         case 3:
1970                                 if (disp_int_cont3 & DC_HPD4_INTERRUPT) {
1971                                         disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
1972                                         queue_hotplug = true;
1973                                         DRM_DEBUG("IH: HPD4\n");
1974                                 }
1975                                 break;
1976                         case 4:
1977                                 if (disp_int_cont4 & DC_HPD5_INTERRUPT) {
1978                                         disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
1979                                         queue_hotplug = true;
1980                                         DRM_DEBUG("IH: HPD5\n");
1981                                 }
1982                                 break;
1983                         case 5:
1984                                 if (disp_int_cont5 & DC_HPD6_INTERRUPT) {
1985                                         disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
1986                                         queue_hotplug = true;
1987                                         DRM_DEBUG("IH: HPD6\n");
1988                                 }
1989                                 break;
1990                         default:
1991                                 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
1992                                 break;
1993                         }
1994                         break;
1995                 case 176: /* CP_INT in ring buffer */
1996                 case 177: /* CP_INT in IB1 */
1997                 case 178: /* CP_INT in IB2 */
1998                         DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
1999                         radeon_fence_process(rdev);
2000                         break;
2001                 case 181: /* CP EOP event */
2002                         DRM_DEBUG("IH: CP EOP\n");
2003                         break;
2004                 case 233: /* GUI IDLE */
2005                         DRM_DEBUG("IH: CP EOP\n");
2006                         rdev->pm.gui_idle = true;
2007                         wake_up(&rdev->irq.idle_queue);
2008                         break;
2009                 default:
2010                         DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2011                         break;
2012                 }
2013
2014                 /* wptr/rptr are in bytes! */
2015                 rptr += 16;
2016                 rptr &= rdev->ih.ptr_mask;
2017         }
2018         /* make sure wptr hasn't changed while processing */
2019         wptr = evergreen_get_ih_wptr(rdev);
2020         if (wptr != rdev->ih.wptr)
2021                 goto restart_ih;
2022         if (queue_hotplug)
2023                 queue_work(rdev->wq, &rdev->hotplug_work);
2024         rdev->ih.rptr = rptr;
2025         WREG32(IH_RB_RPTR, rdev->ih.rptr);
2026         spin_unlock_irqrestore(&rdev->ih.lock, flags);
2027         return IRQ_HANDLED;
2028 }
2029
2030 static int evergreen_startup(struct radeon_device *rdev)
2031 {
2032         int r;
2033
2034         if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2035                 r = r600_init_microcode(rdev);
2036                 if (r) {
2037                         DRM_ERROR("Failed to load firmware!\n");
2038                         return r;
2039                 }
2040         }
2041
2042         evergreen_mc_program(rdev);
2043         if (rdev->flags & RADEON_IS_AGP) {
2044                 evergreen_agp_enable(rdev);
2045         } else {
2046                 r = evergreen_pcie_gart_enable(rdev);
2047                 if (r)
2048                         return r;
2049         }
2050         evergreen_gpu_init(rdev);
2051 #if 0
2052         if (!rdev->r600_blit.shader_obj) {
2053                 r = r600_blit_init(rdev);
2054                 if (r) {
2055                         DRM_ERROR("radeon: failed blitter (%d).\n", r);
2056                         return r;
2057                 }
2058         }
2059
2060         r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
2061         if (unlikely(r != 0))
2062                 return r;
2063         r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
2064                         &rdev->r600_blit.shader_gpu_addr);
2065         radeon_bo_unreserve(rdev->r600_blit.shader_obj);
2066         if (r) {
2067                 DRM_ERROR("failed to pin blit object %d\n", r);
2068                 return r;
2069         }
2070 #endif
2071
2072         /* Enable IRQ */
2073         r = r600_irq_init(rdev);
2074         if (r) {
2075                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
2076                 radeon_irq_kms_fini(rdev);
2077                 return r;
2078         }
2079         evergreen_irq_set(rdev);
2080
2081         r = radeon_ring_init(rdev, rdev->cp.ring_size);
2082         if (r)
2083                 return r;
2084         r = evergreen_cp_load_microcode(rdev);
2085         if (r)
2086                 return r;
2087         r = evergreen_cp_resume(rdev);
2088         if (r)
2089                 return r;
2090         /* write back buffer are not vital so don't worry about failure */
2091         r600_wb_enable(rdev);
2092
2093         return 0;
2094 }
2095
2096 int evergreen_resume(struct radeon_device *rdev)
2097 {
2098         int r;
2099
2100         /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2101          * posting will perform necessary task to bring back GPU into good
2102          * shape.
2103          */
2104         /* post card */
2105         atom_asic_init(rdev->mode_info.atom_context);
2106
2107         r = evergreen_startup(rdev);
2108         if (r) {
2109                 DRM_ERROR("r600 startup failed on resume\n");
2110                 return r;
2111         }
2112
2113         r = r600_ib_test(rdev);
2114         if (r) {
2115                 DRM_ERROR("radeon: failled testing IB (%d).\n", r);
2116                 return r;
2117         }
2118
2119         return r;
2120
2121 }
2122
2123 int evergreen_suspend(struct radeon_device *rdev)
2124 {
2125 #if 0
2126         int r;
2127 #endif
2128         /* FIXME: we should wait for ring to be empty */
2129         r700_cp_stop(rdev);
2130         rdev->cp.ready = false;
2131         evergreen_irq_suspend(rdev);
2132         r600_wb_disable(rdev);
2133         evergreen_pcie_gart_disable(rdev);
2134 #if 0
2135         /* unpin shaders bo */
2136         r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
2137         if (likely(r == 0)) {
2138                 radeon_bo_unpin(rdev->r600_blit.shader_obj);
2139                 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
2140         }
2141 #endif
2142         return 0;
2143 }
2144
2145 static bool evergreen_card_posted(struct radeon_device *rdev)
2146 {
2147         u32 reg;
2148
2149         /* first check CRTCs */
2150         reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
2151                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) |
2152                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) |
2153                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) |
2154                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) |
2155                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
2156         if (reg & EVERGREEN_CRTC_MASTER_EN)
2157                 return true;
2158
2159         /* then check MEM_SIZE, in case the crtcs are off */
2160         if (RREG32(CONFIG_MEMSIZE))
2161                 return true;
2162
2163         return false;
2164 }
2165
2166 /* Plan is to move initialization in that function and use
2167  * helper function so that radeon_device_init pretty much
2168  * do nothing more than calling asic specific function. This
2169  * should also allow to remove a bunch of callback function
2170  * like vram_info.
2171  */
2172 int evergreen_init(struct radeon_device *rdev)
2173 {
2174         int r;
2175
2176         r = radeon_dummy_page_init(rdev);
2177         if (r)
2178                 return r;
2179         /* This don't do much */
2180         r = radeon_gem_init(rdev);
2181         if (r)
2182                 return r;
2183         /* Read BIOS */
2184         if (!radeon_get_bios(rdev)) {
2185                 if (ASIC_IS_AVIVO(rdev))
2186                         return -EINVAL;
2187         }
2188         /* Must be an ATOMBIOS */
2189         if (!rdev->is_atom_bios) {
2190                 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
2191                 return -EINVAL;
2192         }
2193         r = radeon_atombios_init(rdev);
2194         if (r)
2195                 return r;
2196         /* Post card if necessary */
2197         if (!evergreen_card_posted(rdev)) {
2198                 if (!rdev->bios) {
2199                         dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2200                         return -EINVAL;
2201                 }
2202                 DRM_INFO("GPU not posted. posting now...\n");
2203                 atom_asic_init(rdev->mode_info.atom_context);
2204         }
2205         /* Initialize scratch registers */
2206         r600_scratch_init(rdev);
2207         /* Initialize surface registers */
2208         radeon_surface_init(rdev);
2209         /* Initialize clocks */
2210         radeon_get_clock_info(rdev->ddev);
2211         /* Fence driver */
2212         r = radeon_fence_driver_init(rdev);
2213         if (r)
2214                 return r;
2215         /* initialize AGP */
2216         if (rdev->flags & RADEON_IS_AGP) {
2217                 r = radeon_agp_init(rdev);
2218                 if (r)
2219                         radeon_agp_disable(rdev);
2220         }
2221         /* initialize memory controller */
2222         r = evergreen_mc_init(rdev);
2223         if (r)
2224                 return r;
2225         /* Memory manager */
2226         r = radeon_bo_init(rdev);
2227         if (r)
2228                 return r;
2229
2230         r = radeon_irq_kms_init(rdev);
2231         if (r)
2232                 return r;
2233
2234         rdev->cp.ring_obj = NULL;
2235         r600_ring_init(rdev, 1024 * 1024);
2236
2237         rdev->ih.ring_obj = NULL;
2238         r600_ih_ring_init(rdev, 64 * 1024);
2239
2240         r = r600_pcie_gart_init(rdev);
2241         if (r)
2242                 return r;
2243
2244         rdev->accel_working = true;
2245         r = evergreen_startup(rdev);
2246         if (r) {
2247                 dev_err(rdev->dev, "disabling GPU acceleration\n");
2248                 r700_cp_fini(rdev);
2249                 r600_wb_fini(rdev);
2250                 r600_irq_fini(rdev);
2251                 radeon_irq_kms_fini(rdev);
2252                 evergreen_pcie_gart_fini(rdev);
2253                 rdev->accel_working = false;
2254         }
2255         if (rdev->accel_working) {
2256                 r = radeon_ib_pool_init(rdev);
2257                 if (r) {
2258                         DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r);
2259                         rdev->accel_working = false;
2260                 }
2261                 r = r600_ib_test(rdev);
2262                 if (r) {
2263                         DRM_ERROR("radeon: failed testing IB (%d).\n", r);
2264                         rdev->accel_working = false;
2265                 }
2266         }
2267         return 0;
2268 }
2269
2270 void evergreen_fini(struct radeon_device *rdev)
2271 {
2272         /*r600_blit_fini(rdev);*/
2273         r700_cp_fini(rdev);
2274         r600_wb_fini(rdev);
2275         r600_irq_fini(rdev);
2276         radeon_irq_kms_fini(rdev);
2277         evergreen_pcie_gart_fini(rdev);
2278         radeon_gem_fini(rdev);
2279         radeon_fence_driver_fini(rdev);
2280         radeon_agp_fini(rdev);
2281         radeon_bo_fini(rdev);
2282         radeon_atombios_fini(rdev);
2283         kfree(rdev->bios);
2284         rdev->bios = NULL;
2285         radeon_dummy_page_fini(rdev);
2286 }