drivers/gpu/drm/radeon/rv770.c

   1 /*
   2  * Copyright 2008 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  * Copyright 2009 Jerome Glisse.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors: Dave Airlie
  25  *          Alex Deucher
  26  *          Jerome Glisse
  27  */
  28 #include <linux/firmware.h>
  29 #include <linux/platform_device.h>
  30 #include <linux/slab.h>
  31 #include "drmP.h"
  32 #include "radeon.h"
  33 #include "radeon_asic.h"
  34 #include "radeon_drm.h"
  35 #include "rv770d.h"
  36 #include "atom.h"
  37 #include "avivod.h"
  38
  39 #define R700_PFP_UCODE_SIZE 848
  40 #define R700_PM4_UCODE_SIZE 1360
  41
  42 static void rv770_gpu_init(struct radeon_device *rdev);
  43 void rv770_fini(struct radeon_device *rdev);
  44 static void rv770_pcie_gen2_enable(struct radeon_device *rdev);
  45
  46 u32 rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
  47 {
  48         struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
  49         u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
  50
  51         /* Lock the graphics update lock */
  52         tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
  53         WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
  54
  55         /* update the scanout addresses */
  56         if (radeon_crtc->crtc_id) {
  57                 WREG32(D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
  58                 WREG32(D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
  59         } else {
  60                 WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
  61                 WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
  62         }
  63         WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
  64                (u32)crtc_base);
  65         WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
  66                (u32)crtc_base);
  67
  68         /* Wait for update_pending to go high. */
  69         while (!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING));
  70         DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
  71
  72         /* Unlock the lock, so double-buffering can take place inside vblank */
  73         tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
  74         WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
  75
  76         /* Return current update_pending status: */
  77         return RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING;
  78 }
  79
  80 /* get temperature in millidegrees */
  81 int rv770_get_temp(struct radeon_device *rdev)
  82 {
  83         u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
  84                 ASIC_T_SHIFT;
  85         int actual_temp;
  86
  87         if (temp & 0x400)
  88                 actual_temp = -256;
  89         else if (temp & 0x200)
  90                 actual_temp = 255;
  91         else if (temp & 0x100) {
  92                 actual_temp = temp & 0x1ff;
  93                 actual_temp |= ~0x1ff;
  94         } else
  95                 actual_temp = temp & 0xff;
  96
  97         return (actual_temp * 1000) / 2;
  98 }
  99
 100 void rv770_pm_misc(struct radeon_device *rdev)
 101 {
 102         int req_ps_idx = rdev->pm.requested_power_state_index;
 103         int req_cm_idx = rdev->pm.requested_clock_mode_index;
 104         struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
 105         struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
 106
 107         if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
 108                 /* 0xff01 is a flag rather then an actual voltage */
 109                 if (voltage->voltage == 0xff01)
 110                         return;
 111                 if (voltage->voltage != rdev->pm.current_vddc) {
 112                         radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
 113                         rdev->pm.current_vddc = voltage->voltage;
 114                         DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
 115                 }
 116         }
 117 }
 118
 119 /*
 120  * GART
 121  */
 122 int rv770_pcie_gart_enable(struct radeon_device *rdev)
 123 {
 124         u32 tmp;
 125         int r, i;
 126
 127         if (rdev->gart.table.vram.robj == NULL) {
 128                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 129                 return -EINVAL;
 130         }
 131         r = radeon_gart_table_vram_pin(rdev);
 132         if (r)
 133                 return r;
 134         radeon_gart_restore(rdev);
 135         /* Setup L2 cache */
 136         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 137                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 138                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 139         WREG32(VM_L2_CNTL2, 0);
 140         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 141         /* Setup TLB control */
 142         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
 143                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
 144                 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
 145                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 146         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 147         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 148         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 149         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 150         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 151         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 152         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 153         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
 154         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
 155         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
 156         WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
 157                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
 158         WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
 159                         (u32)(rdev->dummy_page.addr >> 12));
 160         for (i = 1; i < 7; i++)
 161                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
 162
 163         r600_pcie_gart_tlb_flush(rdev);
 164         rdev->gart.ready = true;
 165         return 0;
 166 }
 167
 168 void rv770_pcie_gart_disable(struct radeon_device *rdev)
 169 {
 170         u32 tmp;
 171         int i, r;
 172
 173         /* Disable all tables */
 174         for (i = 0; i < 7; i++)
 175                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
 176
 177         /* Setup L2 cache */
 178         WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
 179                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 180         WREG32(VM_L2_CNTL2, 0);
 181         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 182         /* Setup TLB control */
 183         tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 184         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 185         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 186         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 187         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 188         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 189         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 190         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 191         if (rdev->gart.table.vram.robj) {
 192                 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
 193                 if (likely(r == 0)) {
 194                         radeon_bo_kunmap(rdev->gart.table.vram.robj);
 195                         radeon_bo_unpin(rdev->gart.table.vram.robj);
 196                         radeon_bo_unreserve(rdev->gart.table.vram.robj);
 197                 }
 198         }
 199 }
 200
 201 void rv770_pcie_gart_fini(struct radeon_device *rdev)
 202 {
 203         radeon_gart_fini(rdev);
 204         rv770_pcie_gart_disable(rdev);
 205         radeon_gart_table_vram_free(rdev);
 206 }
 207
 208
 209 void rv770_agp_enable(struct radeon_device *rdev)
 210 {
 211         u32 tmp;
 212         int i;
 213
 214         /* Setup L2 cache */
 215         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 216                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 217                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 218         WREG32(VM_L2_CNTL2, 0);
 219         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 220         /* Setup TLB control */
 221         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
 222                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
 223                 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
 224                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 225         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 226         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 227         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 228         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 229         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 230         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 231         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 232         for (i = 0; i < 7; i++)
 233                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
 234 }
 235
 236 static void rv770_mc_program(struct radeon_device *rdev)
 237 {
 238         struct rv515_mc_save save;
 239         u32 tmp;
 240         int i, j;
 241
 242         /* Initialize HDP */
 243         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
 244                 WREG32((0x2c14 + j), 0x00000000);
 245                 WREG32((0x2c18 + j), 0x00000000);
 246                 WREG32((0x2c1c + j), 0x00000000);
 247                 WREG32((0x2c20 + j), 0x00000000);
 248                 WREG32((0x2c24 + j), 0x00000000);
 249         }
 250         /* r7xx hw bug.  Read from HDP_DEBUG1 rather
 251          * than writing to HDP_REG_COHERENCY_FLUSH_CNTL
 252          */
 253         tmp = RREG32(HDP_DEBUG1);
 254
 255         rv515_mc_stop(rdev, &save);
 256         if (r600_mc_wait_for_idle(rdev)) {
 257                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
 258         }
 259         /* Lockout access through VGA aperture*/
 260         WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
 261         /* Update configuration */
 262         if (rdev->flags & RADEON_IS_AGP) {
 263                 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
 264                         /* VRAM before AGP */
 265                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 266                                 rdev->mc.vram_start >> 12);
 267                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 268                                 rdev->mc.gtt_end >> 12);
 269                 } else {
 270                         /* VRAM after AGP */
 271                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 272                                 rdev->mc.gtt_start >> 12);
 273                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 274                                 rdev->mc.vram_end >> 12);
 275                 }
 276         } else {
 277                 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 278                         rdev->mc.vram_start >> 12);
 279                 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 280                         rdev->mc.vram_end >> 12);
 281         }
 282         WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
 283         tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
 284         tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
 285         WREG32(MC_VM_FB_LOCATION, tmp);
 286         WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
 287         WREG32(HDP_NONSURFACE_INFO, (2 << 7));
 288         WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
 289         if (rdev->flags & RADEON_IS_AGP) {
 290                 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
 291                 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
 292                 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
 293         } else {
 294                 WREG32(MC_VM_AGP_BASE, 0);
 295                 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
 296                 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
 297         }
 298         if (r600_mc_wait_for_idle(rdev)) {
 299                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
 300         }
 301         rv515_mc_resume(rdev, &save);
 302         /* we need to own VRAM, so turn off the VGA renderer here
 303          * to stop it overwriting our objects */
 304         rv515_vga_render_disable(rdev);
 305 }
 306
 307
 308 /*
 309  * CP.
 310  */
 311 void r700_cp_stop(struct radeon_device *rdev)
 312 {
 313         radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
 314         WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
 315         WREG32(SCRATCH_UMSK, 0);
 316 }
 317
 318 static int rv770_cp_load_microcode(struct radeon_device *rdev)
 319 {
 320         const __be32 *fw_data;
 321         int i;
 322
 323         if (!rdev->me_fw || !rdev->pfp_fw)
 324                 return -EINVAL;
 325
 326         r700_cp_stop(rdev);
 327         WREG32(CP_RB_CNTL,
 328 #ifdef __BIG_ENDIAN
 329                BUF_SWAP_32BIT |
 330 #endif
 331                RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
 332
 333         /* Reset cp */
 334         WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
 335         RREG32(GRBM_SOFT_RESET);
 336         mdelay(15);
 337         WREG32(GRBM_SOFT_RESET, 0);
 338
 339         fw_data = (const __be32 *)rdev->pfp_fw->data;
 340         WREG32(CP_PFP_UCODE_ADDR, 0);
 341         for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
 342                 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
 343         WREG32(CP_PFP_UCODE_ADDR, 0);
 344
 345         fw_data = (const __be32 *)rdev->me_fw->data;
 346         WREG32(CP_ME_RAM_WADDR, 0);
 347         for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
 348                 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
 349
 350         WREG32(CP_PFP_UCODE_ADDR, 0);
 351         WREG32(CP_ME_RAM_WADDR, 0);
 352         WREG32(CP_ME_RAM_RADDR, 0);
 353         return 0;
 354 }
 355
 356 void r700_cp_fini(struct radeon_device *rdev)
 357 {
 358         r700_cp_stop(rdev);
 359         radeon_ring_fini(rdev);
 360 }
 361
 362 /*
 363  * Core functions
 364  */
 365 static u32 r700_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
 366                                              u32 num_tile_pipes,
 367                                              u32 num_backends,
 368                                              u32 backend_disable_mask)
 369 {
 370         u32 backend_map = 0;
 371         u32 enabled_backends_mask;
 372         u32 enabled_backends_count;
 373         u32 cur_pipe;
 374         u32 swizzle_pipe[R7XX_MAX_PIPES];
 375         u32 cur_backend;
 376         u32 i;
 377         bool force_no_swizzle;
 378
 379         if (num_tile_pipes > R7XX_MAX_PIPES)
 380                 num_tile_pipes = R7XX_MAX_PIPES;
 381         if (num_tile_pipes < 1)
 382                 num_tile_pipes = 1;
 383         if (num_backends > R7XX_MAX_BACKENDS)
 384                 num_backends = R7XX_MAX_BACKENDS;
 385         if (num_backends < 1)
 386                 num_backends = 1;
 387
 388         enabled_backends_mask = 0;
 389         enabled_backends_count = 0;
 390         for (i = 0; i < R7XX_MAX_BACKENDS; ++i) {
 391                 if (((backend_disable_mask >> i) & 1) == 0) {
 392                         enabled_backends_mask |= (1 << i);
 393                         ++enabled_backends_count;
 394                 }
 395                 if (enabled_backends_count == num_backends)
 396                         break;
 397         }
 398
 399         if (enabled_backends_count == 0) {
 400                 enabled_backends_mask = 1;
 401                 enabled_backends_count = 1;
 402         }
 403
 404         if (enabled_backends_count != num_backends)
 405                 num_backends = enabled_backends_count;
 406
 407         switch (rdev->family) {
 408         case CHIP_RV770:
 409         case CHIP_RV730:
 410                 force_no_swizzle = false;
 411                 break;
 412         case CHIP_RV710:
 413         case CHIP_RV740:
 414         default:
 415                 force_no_swizzle = true;
 416                 break;
 417         }
 418
 419         memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
 420         switch (num_tile_pipes) {
 421         case 1:
 422                 swizzle_pipe[0] = 0;
 423                 break;
 424         case 2:
 425                 swizzle_pipe[0] = 0;
 426                 swizzle_pipe[1] = 1;
 427                 break;
 428         case 3:
 429                 if (force_no_swizzle) {
 430                         swizzle_pipe[0] = 0;
 431                         swizzle_pipe[1] = 1;
 432                         swizzle_pipe[2] = 2;
 433                 } else {
 434                         swizzle_pipe[0] = 0;
 435                         swizzle_pipe[1] = 2;
 436                         swizzle_pipe[2] = 1;
 437                 }
 438                 break;
 439         case 4:
 440                 if (force_no_swizzle) {
 441                         swizzle_pipe[0] = 0;
 442                         swizzle_pipe[1] = 1;
 443                         swizzle_pipe[2] = 2;
 444                         swizzle_pipe[3] = 3;
 445                 } else {
 446                         swizzle_pipe[0] = 0;
 447                         swizzle_pipe[1] = 2;
 448                         swizzle_pipe[2] = 3;
 449                         swizzle_pipe[3] = 1;
 450                 }
 451                 break;
 452         case 5:
 453                 if (force_no_swizzle) {
 454                         swizzle_pipe[0] = 0;
 455                         swizzle_pipe[1] = 1;
 456                         swizzle_pipe[2] = 2;
 457                         swizzle_pipe[3] = 3;
 458                         swizzle_pipe[4] = 4;
 459                 } else {
 460                         swizzle_pipe[0] = 0;
 461                         swizzle_pipe[1] = 2;
 462                         swizzle_pipe[2] = 4;
 463                         swizzle_pipe[3] = 1;
 464                         swizzle_pipe[4] = 3;
 465                 }
 466                 break;
 467         case 6:
 468                 if (force_no_swizzle) {
 469                         swizzle_pipe[0] = 0;
 470                         swizzle_pipe[1] = 1;
 471                         swizzle_pipe[2] = 2;
 472                         swizzle_pipe[3] = 3;
 473                         swizzle_pipe[4] = 4;
 474                         swizzle_pipe[5] = 5;
 475                 } else {
 476                         swizzle_pipe[0] = 0;
 477                         swizzle_pipe[1] = 2;
 478                         swizzle_pipe[2] = 4;
 479                         swizzle_pipe[3] = 5;
 480                         swizzle_pipe[4] = 3;
 481                         swizzle_pipe[5] = 1;
 482                 }
 483                 break;
 484         case 7:
 485                 if (force_no_swizzle) {
 486                         swizzle_pipe[0] = 0;
 487                         swizzle_pipe[1] = 1;
 488                         swizzle_pipe[2] = 2;
 489                         swizzle_pipe[3] = 3;
 490                         swizzle_pipe[4] = 4;
 491                         swizzle_pipe[5] = 5;
 492                         swizzle_pipe[6] = 6;
 493                 } else {
 494                         swizzle_pipe[0] = 0;
 495                         swizzle_pipe[1] = 2;
 496                         swizzle_pipe[2] = 4;
 497                         swizzle_pipe[3] = 6;
 498                         swizzle_pipe[4] = 3;
 499                         swizzle_pipe[5] = 1;
 500                         swizzle_pipe[6] = 5;
 501                 }
 502                 break;
 503         case 8:
 504                 if (force_no_swizzle) {
 505                         swizzle_pipe[0] = 0;
 506                         swizzle_pipe[1] = 1;
 507                         swizzle_pipe[2] = 2;
 508                         swizzle_pipe[3] = 3;
 509                         swizzle_pipe[4] = 4;
 510                         swizzle_pipe[5] = 5;
 511                         swizzle_pipe[6] = 6;
 512                         swizzle_pipe[7] = 7;
 513                 } else {
 514                         swizzle_pipe[0] = 0;
 515                         swizzle_pipe[1] = 2;
 516                         swizzle_pipe[2] = 4;
 517                         swizzle_pipe[3] = 6;
 518                         swizzle_pipe[4] = 3;
 519                         swizzle_pipe[5] = 1;
 520                         swizzle_pipe[6] = 7;
 521                         swizzle_pipe[7] = 5;
 522                 }
 523                 break;
 524         }
 525
 526         cur_backend = 0;
 527         for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
 528                 while (((1 << cur_backend) & enabled_backends_mask) == 0)
 529                         cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
 530
 531                 backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
 532
 533                 cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
 534         }
 535
 536         return backend_map;
 537 }
 538
 539 static void rv770_gpu_init(struct radeon_device *rdev)
 540 {
 541         int i, j, num_qd_pipes;
 542         u32 ta_aux_cntl;
 543         u32 sx_debug_1;
 544         u32 smx_dc_ctl0;
 545         u32 db_debug3;
 546         u32 num_gs_verts_per_thread;
 547         u32 vgt_gs_per_es;
 548         u32 gs_prim_buffer_depth = 0;
 549         u32 sq_ms_fifo_sizes;
 550         u32 sq_config;
 551         u32 sq_thread_resource_mgmt;
 552         u32 hdp_host_path_cntl;
 553         u32 sq_dyn_gpr_size_simd_ab_0;
 554         u32 backend_map;
 555         u32 gb_tiling_config = 0;
 556         u32 cc_rb_backend_disable = 0;
 557         u32 cc_gc_shader_pipe_config = 0;
 558         u32 mc_arb_ramcfg;
 559         u32 db_debug4;
 560
 561         /* setup chip specs */
 562         switch (rdev->family) {
 563         case CHIP_RV770:
 564                 rdev->config.rv770.max_pipes = 4;
 565                 rdev->config.rv770.max_tile_pipes = 8;
 566                 rdev->config.rv770.max_simds = 10;
 567                 rdev->config.rv770.max_backends = 4;
 568                 rdev->config.rv770.max_gprs = 256;
 569                 rdev->config.rv770.max_threads = 248;
 570                 rdev->config.rv770.max_stack_entries = 512;
 571                 rdev->config.rv770.max_hw_contexts = 8;
 572                 rdev->config.rv770.max_gs_threads = 16 * 2;
 573                 rdev->config.rv770.sx_max_export_size = 128;
 574                 rdev->config.rv770.sx_max_export_pos_size = 16;
 575                 rdev->config.rv770.sx_max_export_smx_size = 112;
 576                 rdev->config.rv770.sq_num_cf_insts = 2;
 577
 578                 rdev->config.rv770.sx_num_of_sets = 7;
 579                 rdev->config.rv770.sc_prim_fifo_size = 0xF9;
 580                 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
 581                 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
 582                 break;
 583         case CHIP_RV730:
 584                 rdev->config.rv770.max_pipes = 2;
 585                 rdev->config.rv770.max_tile_pipes = 4;
 586                 rdev->config.rv770.max_simds = 8;
 587                 rdev->config.rv770.max_backends = 2;
 588                 rdev->config.rv770.max_gprs = 128;
 589                 rdev->config.rv770.max_threads = 248;
 590                 rdev->config.rv770.max_stack_entries = 256;
 591                 rdev->config.rv770.max_hw_contexts = 8;
 592                 rdev->config.rv770.max_gs_threads = 16 * 2;
 593                 rdev->config.rv770.sx_max_export_size = 256;
 594                 rdev->config.rv770.sx_max_export_pos_size = 32;
 595                 rdev->config.rv770.sx_max_export_smx_size = 224;
 596                 rdev->config.rv770.sq_num_cf_insts = 2;
 597
 598                 rdev->config.rv770.sx_num_of_sets = 7;
 599                 rdev->config.rv770.sc_prim_fifo_size = 0xf9;
 600                 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
 601                 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
 602                 if (rdev->config.rv770.sx_max_export_pos_size > 16) {
 603                         rdev->config.rv770.sx_max_export_pos_size -= 16;
 604                         rdev->config.rv770.sx_max_export_smx_size += 16;
 605                 }
 606                 break;
 607         case CHIP_RV710:
 608                 rdev->config.rv770.max_pipes = 2;
 609                 rdev->config.rv770.max_tile_pipes = 2;
 610                 rdev->config.rv770.max_simds = 2;
 611                 rdev->config.rv770.max_backends = 1;
 612                 rdev->config.rv770.max_gprs = 256;
 613                 rdev->config.rv770.max_threads = 192;
 614                 rdev->config.rv770.max_stack_entries = 256;
 615                 rdev->config.rv770.max_hw_contexts = 4;
 616                 rdev->config.rv770.max_gs_threads = 8 * 2;
 617                 rdev->config.rv770.sx_max_export_size = 128;
 618                 rdev->config.rv770.sx_max_export_pos_size = 16;
 619                 rdev->config.rv770.sx_max_export_smx_size = 112;
 620                 rdev->config.rv770.sq_num_cf_insts = 1;
 621
 622                 rdev->config.rv770.sx_num_of_sets = 7;
 623                 rdev->config.rv770.sc_prim_fifo_size = 0x40;
 624                 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
 625                 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
 626                 break;
 627         case CHIP_RV740:
 628                 rdev->config.rv770.max_pipes = 4;
 629                 rdev->config.rv770.max_tile_pipes = 4;
 630                 rdev->config.rv770.max_simds = 8;
 631                 rdev->config.rv770.max_backends = 4;
 632                 rdev->config.rv770.max_gprs = 256;
 633                 rdev->config.rv770.max_threads = 248;
 634                 rdev->config.rv770.max_stack_entries = 512;
 635                 rdev->config.rv770.max_hw_contexts = 8;
 636                 rdev->config.rv770.max_gs_threads = 16 * 2;
 637                 rdev->config.rv770.sx_max_export_size = 256;
 638                 rdev->config.rv770.sx_max_export_pos_size = 32;
 639                 rdev->config.rv770.sx_max_export_smx_size = 224;
 640                 rdev->config.rv770.sq_num_cf_insts = 2;
 641
 642                 rdev->config.rv770.sx_num_of_sets = 7;
 643                 rdev->config.rv770.sc_prim_fifo_size = 0x100;
 644                 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
 645                 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
 646
 647                 if (rdev->config.rv770.sx_max_export_pos_size > 16) {
 648                         rdev->config.rv770.sx_max_export_pos_size -= 16;
 649                         rdev->config.rv770.sx_max_export_smx_size += 16;
 650                 }
 651                 break;
 652         default:
 653                 break;
 654         }
 655
 656         /* Initialize HDP */
 657         j = 0;
 658         for (i = 0; i < 32; i++) {
 659                 WREG32((0x2c14 + j), 0x00000000);
 660                 WREG32((0x2c18 + j), 0x00000000);
 661                 WREG32((0x2c1c + j), 0x00000000);
 662                 WREG32((0x2c20 + j), 0x00000000);
 663                 WREG32((0x2c24 + j), 0x00000000);
 664                 j += 0x18;
 665         }
 666
 667         WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
 668
 669         /* setup tiling, simd, pipe config */
 670         mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
 671
 672         switch (rdev->config.rv770.max_tile_pipes) {
 673         case 1:
 674         default:
 675                 gb_tiling_config |= PIPE_TILING(0);
 676                 break;
 677         case 2:
 678                 gb_tiling_config |= PIPE_TILING(1);
 679                 break;
 680         case 4:
 681                 gb_tiling_config |= PIPE_TILING(2);
 682                 break;
 683         case 8:
 684                 gb_tiling_config |= PIPE_TILING(3);
 685                 break;
 686         }
 687         rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes;
 688
 689         if (rdev->family == CHIP_RV770)
 690                 gb_tiling_config |= BANK_TILING(1);
 691         else
 692                 gb_tiling_config |= BANK_TILING((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
 693         rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3);
 694         gb_tiling_config |= GROUP_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
 695         if ((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT)
 696                 rdev->config.rv770.tiling_group_size = 512;
 697         else
 698                 rdev->config.rv770.tiling_group_size = 256;
 699         if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
 700                 gb_tiling_config |= ROW_TILING(3);
 701                 gb_tiling_config |= SAMPLE_SPLIT(3);
 702         } else {
 703                 gb_tiling_config |=
 704                         ROW_TILING(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
 705                 gb_tiling_config |=
 706                         SAMPLE_SPLIT(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
 707         }
 708
 709         gb_tiling_config |= BANK_SWAPS(1);
 710
 711         cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
 712         cc_rb_backend_disable |=
 713                 BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << rdev->config.rv770.max_backends) & R7XX_MAX_BACKENDS_MASK);
 714
 715         cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
 716         cc_gc_shader_pipe_config |=
 717                 INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << rdev->config.rv770.max_pipes) & R7XX_MAX_PIPES_MASK);
 718         cc_gc_shader_pipe_config |=
 719                 INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << rdev->config.rv770.max_simds) & R7XX_MAX_SIMDS_MASK);
 720
 721         if (rdev->family == CHIP_RV740)
 722                 backend_map = 0x28;
 723         else
 724                 backend_map = r700_get_tile_pipe_to_backend_map(rdev,
 725                                                                 rdev->config.rv770.max_tile_pipes,
 726                                                                 (R7XX_MAX_BACKENDS -
 727                                                                  r600_count_pipe_bits((cc_rb_backend_disable &
 728                                                                                        R7XX_MAX_BACKENDS_MASK) >> 16)),
 729                                                                 (cc_rb_backend_disable >> 16));
 730
 731         rdev->config.rv770.tile_config = gb_tiling_config;
 732         rdev->config.rv770.backend_map = backend_map;
 733         gb_tiling_config |= BACKEND_MAP(backend_map);
 734
 735         WREG32(GB_TILING_CONFIG, gb_tiling_config);
 736         WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
 737         WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
 738
 739         WREG32(CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
 740         WREG32(CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
 741         WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
 742         WREG32(CC_SYS_RB_BACKEND_DISABLE,  cc_rb_backend_disable);
 743
 744         WREG32(CGTS_SYS_TCC_DISABLE, 0);
 745         WREG32(CGTS_TCC_DISABLE, 0);
 746         WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
 747         WREG32(CGTS_USER_TCC_DISABLE, 0);
 748
 749         num_qd_pipes =
 750                 R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
 751         WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
 752         WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
 753
 754         /* set HW defaults for 3D engine */
 755         WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
 756                                      ROQ_IB2_START(0x2b)));
 757
 758         WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
 759
 760         ta_aux_cntl = RREG32(TA_CNTL_AUX);
 761         WREG32(TA_CNTL_AUX, ta_aux_cntl | DISABLE_CUBE_ANISO);
 762
 763         sx_debug_1 = RREG32(SX_DEBUG_1);
 764         sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
 765         WREG32(SX_DEBUG_1, sx_debug_1);
 766
 767         smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
 768         smx_dc_ctl0 &= ~CACHE_DEPTH(0x1ff);
 769         smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
 770         WREG32(SMX_DC_CTL0, smx_dc_ctl0);
 771
 772         if (rdev->family != CHIP_RV740)
 773                 WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
 774                                        GS_FLUSH_CTL(4) |
 775                                        ACK_FLUSH_CTL(3) |
 776                                        SYNC_FLUSH_CTL));
 777
 778         db_debug3 = RREG32(DB_DEBUG3);
 779         db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
 780         switch (rdev->family) {
 781         case CHIP_RV770:
 782         case CHIP_RV740:
 783                 db_debug3 |= DB_CLK_OFF_DELAY(0x1f);
 784                 break;
 785         case CHIP_RV710:
 786         case CHIP_RV730:
 787         default:
 788                 db_debug3 |= DB_CLK_OFF_DELAY(2);
 789                 break;
 790         }
 791         WREG32(DB_DEBUG3, db_debug3);
 792
 793         if (rdev->family != CHIP_RV770) {
 794                 db_debug4 = RREG32(DB_DEBUG4);
 795                 db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
 796                 WREG32(DB_DEBUG4, db_debug4);
 797         }
 798
 799         WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.rv770.sx_max_export_size / 4) - 1) |
 800                                         POSITION_BUFFER_SIZE((rdev->config.rv770.sx_max_export_pos_size / 4) - 1) |
 801                                         SMX_BUFFER_SIZE((rdev->config.rv770.sx_max_export_smx_size / 4) - 1)));
 802
 803         WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.rv770.sc_prim_fifo_size) |
 804                                  SC_HIZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_hiz_tile_fifo_size) |
 805                                  SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_earlyz_tile_fifo_fize)));
 806
 807         WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
 808
 809         WREG32(VGT_NUM_INSTANCES, 1);
 810
 811         WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
 812
 813         WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
 814
 815         WREG32(CP_PERFMON_CNTL, 0);
 816
 817         sq_ms_fifo_sizes = (CACHE_FIFO_SIZE(16 * rdev->config.rv770.sq_num_cf_insts) |
 818                             DONE_FIFO_HIWATER(0xe0) |
 819                             ALU_UPDATE_FIFO_HIWATER(0x8));
 820         switch (rdev->family) {
 821         case CHIP_RV770:
 822         case CHIP_RV730:
 823         case CHIP_RV710:
 824                 sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
 825                 break;
 826         case CHIP_RV740:
 827         default:
 828                 sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
 829                 break;
 830         }
 831         WREG32(SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
 832
 833         /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
 834          * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
 835          */
 836         sq_config = RREG32(SQ_CONFIG);
 837         sq_config &= ~(PS_PRIO(3) |
 838                        VS_PRIO(3) |
 839                        GS_PRIO(3) |
 840                        ES_PRIO(3));
 841         sq_config |= (DX9_CONSTS |
 842                       VC_ENABLE |
 843                       EXPORT_SRC_C |
 844                       PS_PRIO(0) |
 845                       VS_PRIO(1) |
 846                       GS_PRIO(2) |
 847                       ES_PRIO(3));
 848         if (rdev->family == CHIP_RV710)
 849                 /* no vertex cache */
 850                 sq_config &= ~VC_ENABLE;
 851
 852         WREG32(SQ_CONFIG, sq_config);
 853
 854         WREG32(SQ_GPR_RESOURCE_MGMT_1,  (NUM_PS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
 855                                          NUM_VS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
 856                                          NUM_CLAUSE_TEMP_GPRS(((rdev->config.rv770.max_gprs * 24)/64)/2)));
 857
 858         WREG32(SQ_GPR_RESOURCE_MGMT_2,  (NUM_GS_GPRS((rdev->config.rv770.max_gprs * 7)/64) |
 859                                          NUM_ES_GPRS((rdev->config.rv770.max_gprs * 7)/64)));
 860
 861         sq_thread_resource_mgmt = (NUM_PS_THREADS((rdev->config.rv770.max_threads * 4)/8) |
 862                                    NUM_VS_THREADS((rdev->config.rv770.max_threads * 2)/8) |
 863                                    NUM_ES_THREADS((rdev->config.rv770.max_threads * 1)/8));
 864         if (((rdev->config.rv770.max_threads * 1) / 8) > rdev->config.rv770.max_gs_threads)
 865                 sq_thread_resource_mgmt |= NUM_GS_THREADS(rdev->config.rv770.max_gs_threads);
 866         else
 867                 sq_thread_resource_mgmt |= NUM_GS_THREADS((rdev->config.rv770.max_gs_threads * 1)/8);
 868         WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
 869
 870         WREG32(SQ_STACK_RESOURCE_MGMT_1, (NUM_PS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
 871                                                      NUM_VS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
 872
 873         WREG32(SQ_STACK_RESOURCE_MGMT_2, (NUM_GS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
 874                                                      NUM_ES_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
 875
 876         sq_dyn_gpr_size_simd_ab_0 = (SIMDA_RING0((rdev->config.rv770.max_gprs * 38)/64) |
 877                                      SIMDA_RING1((rdev->config.rv770.max_gprs * 38)/64) |
 878                                      SIMDB_RING0((rdev->config.rv770.max_gprs * 38)/64) |
 879                                      SIMDB_RING1((rdev->config.rv770.max_gprs * 38)/64));
 880
 881         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
 882         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
 883         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
 884         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
 885         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
 886         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
 887         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
 888         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
 889
 890         WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
 891                                           FORCE_EOV_MAX_REZ_CNT(255)));
 892
 893         if (rdev->family == CHIP_RV710)
 894                 WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(TC_ONLY) |
 895                                                 AUTO_INVLD_EN(ES_AND_GS_AUTO)));
 896         else
 897                 WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(VC_AND_TC) |
 898                                                 AUTO_INVLD_EN(ES_AND_GS_AUTO)));
 899
 900         switch (rdev->family) {
 901         case CHIP_RV770:
 902         case CHIP_RV730:
 903         case CHIP_RV740:
 904                 gs_prim_buffer_depth = 384;
 905                 break;
 906         case CHIP_RV710:
 907                 gs_prim_buffer_depth = 128;
 908                 break;
 909         default:
 910                 break;
 911         }
 912
 913         num_gs_verts_per_thread = rdev->config.rv770.max_pipes * 16;
 914         vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
 915         /* Max value for this is 256 */
 916         if (vgt_gs_per_es > 256)
 917                 vgt_gs_per_es = 256;
 918
 919         WREG32(VGT_ES_PER_GS, 128);
 920         WREG32(VGT_GS_PER_ES, vgt_gs_per_es);
 921         WREG32(VGT_GS_PER_VS, 2);
 922
 923         /* more default values. 2D/3D driver should adjust as needed */
 924         WREG32(VGT_GS_VERTEX_REUSE, 16);
 925         WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
 926         WREG32(VGT_STRMOUT_EN, 0);
 927         WREG32(SX_MISC, 0);
 928         WREG32(PA_SC_MODE_CNTL, 0);
 929         WREG32(PA_SC_EDGERULE, 0xaaaaaaaa);
 930         WREG32(PA_SC_AA_CONFIG, 0);
 931         WREG32(PA_SC_CLIPRECT_RULE, 0xffff);
 932         WREG32(PA_SC_LINE_STIPPLE, 0);
 933         WREG32(SPI_INPUT_Z, 0);
 934         WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
 935         WREG32(CB_COLOR7_FRAG, 0);
 936
 937         /* clear render buffer base addresses */
 938         WREG32(CB_COLOR0_BASE, 0);
 939         WREG32(CB_COLOR1_BASE, 0);
 940         WREG32(CB_COLOR2_BASE, 0);
 941         WREG32(CB_COLOR3_BASE, 0);
 942         WREG32(CB_COLOR4_BASE, 0);
 943         WREG32(CB_COLOR5_BASE, 0);
 944         WREG32(CB_COLOR6_BASE, 0);
 945         WREG32(CB_COLOR7_BASE, 0);
 946
 947         WREG32(TCP_CNTL, 0);
 948
 949         hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
 950         WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
 951
 952         WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
 953
 954         WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
 955                                           NUM_CLIP_SEQ(3)));
 956
 957 }
 958
 959 static int rv770_vram_scratch_init(struct radeon_device *rdev)
 960 {
 961         int r;
 962         u64 gpu_addr;
 963
 964         if (rdev->vram_scratch.robj == NULL) {
 965                 r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE,
 966                                      PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
 967                                      &rdev->vram_scratch.robj);
 968                 if (r) {
 969                         return r;
 970                 }
 971         }
 972
 973         r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
 974         if (unlikely(r != 0))
 975                 return r;
 976         r = radeon_bo_pin(rdev->vram_scratch.robj,
 977                           RADEON_GEM_DOMAIN_VRAM, &gpu_addr);
 978         if (r) {
 979                 radeon_bo_unreserve(rdev->vram_scratch.robj);
 980                 return r;
 981         }
 982         r = radeon_bo_kmap(rdev->vram_scratch.robj,
 983                                 (void **)&rdev->vram_scratch.ptr);
 984         if (r)
 985                 radeon_bo_unpin(rdev->vram_scratch.robj);
 986         radeon_bo_unreserve(rdev->vram_scratch.robj);
 987
 988         return r;
 989 }
 990
 991 static void rv770_vram_scratch_fini(struct radeon_device *rdev)
 992 {
 993         int r;
 994
 995         if (rdev->vram_scratch.robj == NULL) {
 996                 return;
 997         }
 998         r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
 999         if (likely(r == 0)) {
1000                 radeon_bo_kunmap(rdev->vram_scratch.robj);
1001                 radeon_bo_unpin(rdev->vram_scratch.robj);
1002                 radeon_bo_unreserve(rdev->vram_scratch.robj);
1003         }
1004         radeon_bo_unref(&rdev->vram_scratch.robj);
1005 }
1006
1007 void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1008 {
1009         u64 size_bf, size_af;
1010
1011         if (mc->mc_vram_size > 0xE0000000) {
1012                 /* leave room for at least 512M GTT */
1013                 dev_warn(rdev->dev, "limiting VRAM\n");
1014                 mc->real_vram_size = 0xE0000000;
1015                 mc->mc_vram_size = 0xE0000000;
1016         }
1017         if (rdev->flags & RADEON_IS_AGP) {
1018                 size_bf = mc->gtt_start;
1019                 size_af = 0xFFFFFFFF - mc->gtt_end + 1;
1020                 if (size_bf > size_af) {
1021                         if (mc->mc_vram_size > size_bf) {
1022                                 dev_warn(rdev->dev, "limiting VRAM\n");
1023                                 mc->real_vram_size = size_bf;
1024                                 mc->mc_vram_size = size_bf;
1025                         }
1026                         mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1027                 } else {
1028                         if (mc->mc_vram_size > size_af) {
1029                                 dev_warn(rdev->dev, "limiting VRAM\n");
1030                                 mc->real_vram_size = size_af;
1031                                 mc->mc_vram_size = size_af;
1032                         }
1033                         mc->vram_start = mc->gtt_end;
1034                 }
1035                 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1036                 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1037                                 mc->mc_vram_size >> 20, mc->vram_start,
1038                                 mc->vram_end, mc->real_vram_size >> 20);
1039         } else {
1040                 radeon_vram_location(rdev, &rdev->mc, 0);
1041                 rdev->mc.gtt_base_align = 0;
1042                 radeon_gtt_location(rdev, mc);
1043         }
1044 }
1045
1046 int rv770_mc_init(struct radeon_device *rdev)
1047 {
1048         u32 tmp;
1049         int chansize, numchan;
1050
1051         /* Get VRAM informations */
1052         rdev->mc.vram_is_ddr = true;
1053         tmp = RREG32(MC_ARB_RAMCFG);
1054         if (tmp & CHANSIZE_OVERRIDE) {
1055                 chansize = 16;
1056         } else if (tmp & CHANSIZE_MASK) {
1057                 chansize = 64;
1058         } else {
1059                 chansize = 32;
1060         }
1061         tmp = RREG32(MC_SHARED_CHMAP);
1062         switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1063         case 0:
1064         default:
1065                 numchan = 1;
1066                 break;
1067         case 1:
1068                 numchan = 2;
1069                 break;
1070         case 2:
1071                 numchan = 4;
1072                 break;
1073         case 3:
1074                 numchan = 8;
1075                 break;
1076         }
1077         rdev->mc.vram_width = numchan * chansize;
1078         /* Could aper size report 0 ? */
1079         rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1080         rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1081         /* Setup GPU memory space */
1082         rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1083         rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1084         rdev->mc.visible_vram_size = rdev->mc.aper_size;
1085         r700_vram_gtt_location(rdev, &rdev->mc);
1086         radeon_update_bandwidth_info(rdev);
1087
1088         return 0;
1089 }
1090
1091 static int rv770_startup(struct radeon_device *rdev)
1092 {
1093         int r;
1094
1095         /* enable pcie gen2 link */
1096         rv770_pcie_gen2_enable(rdev);
1097
1098         if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
1099                 r = r600_init_microcode(rdev);
1100                 if (r) {
1101                         DRM_ERROR("Failed to load firmware!\n");
1102                         return r;
1103                 }
1104         }
1105
1106         rv770_mc_program(rdev);
1107         if (rdev->flags & RADEON_IS_AGP) {
1108                 rv770_agp_enable(rdev);
1109         } else {
1110                 r = rv770_pcie_gart_enable(rdev);
1111                 if (r)
1112                         return r;
1113         }
1114         r = rv770_vram_scratch_init(rdev);
1115         if (r)
1116                 return r;
1117         rv770_gpu_init(rdev);
1118         r = r600_blit_init(rdev);
1119         if (r) {
1120                 r600_blit_fini(rdev);
1121                 rdev->asic->copy = NULL;
1122                 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
1123         }
1124
1125         /* allocate wb buffer */
1126         r = radeon_wb_init(rdev);
1127         if (r)
1128                 return r;
1129
1130         /* Enable IRQ */
1131         r = r600_irq_init(rdev);
1132         if (r) {
1133                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
1134                 radeon_irq_kms_fini(rdev);
1135                 return r;
1136         }
1137         r600_irq_set(rdev);
1138
1139         r = radeon_ring_init(rdev, rdev->cp.ring_size);
1140         if (r)
1141                 return r;
1142         r = rv770_cp_load_microcode(rdev);
1143         if (r)
1144                 return r;
1145         r = r600_cp_resume(rdev);
1146         if (r)
1147                 return r;
1148
1149         return 0;
1150 }
1151
1152 int rv770_resume(struct radeon_device *rdev)
1153 {
1154         int r;
1155
1156         /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1157          * posting will perform necessary task to bring back GPU into good
1158          * shape.
1159          */
1160         /* post card */
1161         atom_asic_init(rdev->mode_info.atom_context);
1162
1163         r = rv770_startup(rdev);
1164         if (r) {
1165                 DRM_ERROR("r600 startup failed on resume\n");
1166                 return r;
1167         }
1168
1169         r = r600_ib_test(rdev);
1170         if (r) {
1171                 DRM_ERROR("radeon: failed testing IB (%d).\n", r);
1172                 return r;
1173         }
1174
1175         r = r600_audio_init(rdev);
1176         if (r) {
1177                 dev_err(rdev->dev, "radeon: audio init failed\n");
1178                 return r;
1179         }
1180
1181         return r;
1182
1183 }
1184
1185 int rv770_suspend(struct radeon_device *rdev)
1186 {
1187         int r;
1188
1189         r600_audio_fini(rdev);
1190         /* FIXME: we should wait for ring to be empty */
1191         r700_cp_stop(rdev);
1192         rdev->cp.ready = false;
1193         r600_irq_suspend(rdev);
1194         radeon_wb_disable(rdev);
1195         rv770_pcie_gart_disable(rdev);
1196         /* unpin shaders bo */
1197         if (rdev->r600_blit.shader_obj) {
1198                 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
1199                 if (likely(r == 0)) {
1200                         radeon_bo_unpin(rdev->r600_blit.shader_obj);
1201                         radeon_bo_unreserve(rdev->r600_blit.shader_obj);
1202                 }
1203         }
1204         return 0;
1205 }
1206
1207 /* Plan is to move initialization in that function and use
1208  * helper function so that radeon_device_init pretty much
1209  * do nothing more than calling asic specific function. This
1210  * should also allow to remove a bunch of callback function
1211  * like vram_info.
1212  */
1213 int rv770_init(struct radeon_device *rdev)
1214 {
1215         int r;
1216
1217         /* This don't do much */
1218         r = radeon_gem_init(rdev);
1219         if (r)
1220                 return r;
1221         /* Read BIOS */
1222         if (!radeon_get_bios(rdev)) {
1223                 if (ASIC_IS_AVIVO(rdev))
1224                         return -EINVAL;
1225         }
1226         /* Must be an ATOMBIOS */
1227         if (!rdev->is_atom_bios) {
1228                 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
1229                 return -EINVAL;
1230         }
1231         r = radeon_atombios_init(rdev);
1232         if (r)
1233                 return r;
1234         /* Post card if necessary */
1235         if (!radeon_card_posted(rdev)) {
1236                 if (!rdev->bios) {
1237                         dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1238                         return -EINVAL;
1239                 }
1240                 DRM_INFO("GPU not posted. posting now...\n");
1241                 atom_asic_init(rdev->mode_info.atom_context);
1242         }
1243         /* Initialize scratch registers */
1244         r600_scratch_init(rdev);
1245         /* Initialize surface registers */
1246         radeon_surface_init(rdev);
1247         /* Initialize clocks */
1248         radeon_get_clock_info(rdev->ddev);
1249         /* Fence driver */
1250         r = radeon_fence_driver_init(rdev);
1251         if (r)
1252                 return r;
1253         /* initialize AGP */
1254         if (rdev->flags & RADEON_IS_AGP) {
1255                 r = radeon_agp_init(rdev);
1256                 if (r)
1257                         radeon_agp_disable(rdev);
1258         }
1259         r = rv770_mc_init(rdev);
1260         if (r)
1261                 return r;
1262         /* Memory manager */
1263         r = radeon_bo_init(rdev);
1264         if (r)
1265                 return r;
1266
1267         r = radeon_irq_kms_init(rdev);
1268         if (r)
1269                 return r;
1270
1271         rdev->cp.ring_obj = NULL;
1272         r600_ring_init(rdev, 1024 * 1024);
1273
1274         rdev->ih.ring_obj = NULL;
1275         r600_ih_ring_init(rdev, 64 * 1024);
1276
1277         r = r600_pcie_gart_init(rdev);
1278         if (r)
1279                 return r;
1280
1281         rdev->accel_working = true;
1282         r = rv770_startup(rdev);
1283         if (r) {
1284                 dev_err(rdev->dev, "disabling GPU acceleration\n");
1285                 r700_cp_fini(rdev);
1286                 r600_irq_fini(rdev);
1287                 radeon_wb_fini(rdev);
1288                 radeon_irq_kms_fini(rdev);
1289                 rv770_pcie_gart_fini(rdev);
1290                 rdev->accel_working = false;
1291         }
1292         if (rdev->accel_working) {
1293                 r = radeon_ib_pool_init(rdev);
1294                 if (r) {
1295                         dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1296                         rdev->accel_working = false;
1297                 } else {
1298                         r = r600_ib_test(rdev);
1299                         if (r) {
1300                                 dev_err(rdev->dev, "IB test failed (%d).\n", r);
1301                                 rdev->accel_working = false;
1302                         }
1303                 }
1304         }
1305
1306         r = r600_audio_init(rdev);
1307         if (r) {
1308                 dev_err(rdev->dev, "radeon: audio init failed\n");
1309                 return r;
1310         }
1311
1312         return 0;
1313 }
1314
1315 void rv770_fini(struct radeon_device *rdev)
1316 {
1317         r600_blit_fini(rdev);
1318         r700_cp_fini(rdev);
1319         r600_irq_fini(rdev);
1320         radeon_wb_fini(rdev);
1321         radeon_ib_pool_fini(rdev);
1322         radeon_irq_kms_fini(rdev);
1323         rv770_pcie_gart_fini(rdev);
1324         rv770_vram_scratch_fini(rdev);
1325         radeon_gem_fini(rdev);
1326         radeon_fence_driver_fini(rdev);
1327         radeon_agp_fini(rdev);
1328         radeon_bo_fini(rdev);
1329         radeon_atombios_fini(rdev);
1330         kfree(rdev->bios);
1331         rdev->bios = NULL;
1332 }
1333
1334 static void rv770_pcie_gen2_enable(struct radeon_device *rdev)
1335 {
1336         u32 link_width_cntl, lanes, speed_cntl, tmp;
1337         u16 link_cntl2;
1338
1339         if (radeon_pcie_gen2 == 0)
1340                 return;
1341
1342         if (rdev->flags & RADEON_IS_IGP)
1343                 return;
1344
1345         if (!(rdev->flags & RADEON_IS_PCIE))
1346                 return;
1347
1348         /* x2 cards have a special sequence */
1349         if (ASIC_IS_X2(rdev))
1350                 return;
1351
1352         /* advertise upconfig capability */
1353         link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1354         link_width_cntl &= ~LC_UPCONFIGURE_DIS;
1355         WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1356         link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1357         if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
1358                 lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
1359                 link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
1360                                      LC_RECONFIG_ARC_MISSING_ESCAPE);
1361                 link_width_cntl |= lanes | LC_RECONFIG_NOW |
1362                         LC_RENEGOTIATE_EN | LC_UPCONFIGURE_SUPPORT;
1363                 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1364         } else {
1365                 link_width_cntl |= LC_UPCONFIGURE_DIS;
1366                 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1367         }
1368
1369         speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1370         if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
1371             (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
1372
1373                 tmp = RREG32(0x541c);
1374                 WREG32(0x541c, tmp | 0x8);
1375                 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
1376                 link_cntl2 = RREG16(0x4088);
1377                 link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
1378                 link_cntl2 |= 0x2;
1379                 WREG16(0x4088, link_cntl2);
1380                 WREG32(MM_CFGREGS_CNTL, 0);
1381
1382                 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1383                 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
1384                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1385
1386                 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1387                 speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
1388                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1389
1390                 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1391                 speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
1392                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1393
1394                 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1395                 speed_cntl |= LC_GEN2_EN_STRAP;
1396                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1397
1398         } else {
1399                 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1400                 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
1401                 if (1)
1402                         link_width_cntl |= LC_UPCONFIGURE_DIS;
1403                 else
1404                         link_width_cntl &= ~LC_UPCONFIGURE_DIS;
1405                 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1406         }
1407 }