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