drivers/gpu/drm/radeon/r300.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/seq_file.h>
  29 #include "drmP.h"
  30 #include "drm.h"
  31 #include "radeon_reg.h"
  32 #include "radeon.h"
  33 #include "radeon_drm.h"
  34 #include "r100_track.h"
  35 #include "r300d.h"
  36 #include "rv350d.h"
  37 #include "r300_reg_safe.h"
  38
  39 /* This files gather functions specifics to: r300,r350,rv350,rv370,rv380
  40  *
  41  * GPU Errata:
  42  * - HOST_PATH_CNTL: r300 family seems to dislike write to HOST_PATH_CNTL
  43  *   using MMIO to flush host path read cache, this lead to HARDLOCKUP.
  44  *   However, scheduling such write to the ring seems harmless, i suspect
  45  *   the CP read collide with the flush somehow, or maybe the MC, hard to
  46  *   tell. (Jerome Glisse)
  47  */
  48
  49 /*
  50  * rv370,rv380 PCIE GART
  51  */
  52 static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
  53
  54 void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
  55 {
  56         uint32_t tmp;
  57         int i;
  58
  59         /* Workaround HW bug do flush 2 times */
  60         for (i = 0; i < 2; i++) {
  61                 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
  62                 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
  63                 (void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
  64                 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
  65         }
  66         mb();
  67 }
  68
  69 int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
  70 {
  71         void __iomem *ptr = (void *)rdev->gart.table.vram.ptr;
  72
  73         if (i < 0 || i > rdev->gart.num_gpu_pages) {
  74                 return -EINVAL;
  75         }
  76         addr = (lower_32_bits(addr) >> 8) |
  77                ((upper_32_bits(addr) & 0xff) << 24) |
  78                0xc;
  79         /* on x86 we want this to be CPU endian, on powerpc
  80          * on powerpc without HW swappers, it'll get swapped on way
  81          * into VRAM - so no need for cpu_to_le32 on VRAM tables */
  82         writel(addr, ((void __iomem *)ptr) + (i * 4));
  83         return 0;
  84 }
  85
  86 int rv370_pcie_gart_init(struct radeon_device *rdev)
  87 {
  88         int r;
  89
  90         if (rdev->gart.table.vram.robj) {
  91                 WARN(1, "RV370 PCIE GART already initialized.\n");
  92                 return 0;
  93         }
  94         /* Initialize common gart structure */
  95         r = radeon_gart_init(rdev);
  96         if (r)
  97                 return r;
  98         r = rv370_debugfs_pcie_gart_info_init(rdev);
  99         if (r)
 100                 DRM_ERROR("Failed to register debugfs file for PCIE gart !\n");
 101         rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 102         rdev->asic->gart_tlb_flush = &rv370_pcie_gart_tlb_flush;
 103         rdev->asic->gart_set_page = &rv370_pcie_gart_set_page;
 104         return radeon_gart_table_vram_alloc(rdev);
 105 }
 106
 107 int rv370_pcie_gart_enable(struct radeon_device *rdev)
 108 {
 109         uint32_t table_addr;
 110         uint32_t tmp;
 111         int r;
 112
 113         if (rdev->gart.table.vram.robj == NULL) {
 114                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 115                 return -EINVAL;
 116         }
 117         r = radeon_gart_table_vram_pin(rdev);
 118         if (r)
 119                 return r;
 120         /* discard memory request outside of configured range */
 121         tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 122         WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 123         WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_location);
 124         tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - RADEON_GPU_PAGE_SIZE;
 125         WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
 126         WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 127         WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 128         table_addr = rdev->gart.table_addr;
 129         WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
 130         /* FIXME: setup default page */
 131         WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_location);
 132         WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
 133         /* Clear error */
 134         WREG32_PCIE(0x18, 0);
 135         tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 136         tmp |= RADEON_PCIE_TX_GART_EN;
 137         tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 138         WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 139         rv370_pcie_gart_tlb_flush(rdev);
 140         DRM_INFO("PCIE GART of %uM enabled (table at 0x%08X).\n",
 141                  (unsigned)(rdev->mc.gtt_size >> 20), table_addr);
 142         rdev->gart.ready = true;
 143         return 0;
 144 }
 145
 146 void rv370_pcie_gart_disable(struct radeon_device *rdev)
 147 {
 148         u32 tmp;
 149         int r;
 150
 151         tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 152         tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 153         WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
 154         if (rdev->gart.table.vram.robj) {
 155                 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
 156                 if (likely(r == 0)) {
 157                         radeon_bo_kunmap(rdev->gart.table.vram.robj);
 158                         radeon_bo_unpin(rdev->gart.table.vram.robj);
 159                         radeon_bo_unreserve(rdev->gart.table.vram.robj);
 160                 }
 161         }
 162 }
 163
 164 void rv370_pcie_gart_fini(struct radeon_device *rdev)
 165 {
 166         rv370_pcie_gart_disable(rdev);
 167         radeon_gart_table_vram_free(rdev);
 168         radeon_gart_fini(rdev);
 169 }
 170
 171 void r300_fence_ring_emit(struct radeon_device *rdev,
 172                           struct radeon_fence *fence)
 173 {
 174         /* Who ever call radeon_fence_emit should call ring_lock and ask
 175          * for enough space (today caller are ib schedule and buffer move) */
 176         /* Write SC register so SC & US assert idle */
 177         radeon_ring_write(rdev, PACKET0(R300_RE_SCISSORS_TL, 0));
 178         radeon_ring_write(rdev, 0);
 179         radeon_ring_write(rdev, PACKET0(R300_RE_SCISSORS_BR, 0));
 180         radeon_ring_write(rdev, 0);
 181         /* Flush 3D cache */
 182         radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 183         radeon_ring_write(rdev, R300_RB3D_DC_FLUSH);
 184         radeon_ring_write(rdev, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 185         radeon_ring_write(rdev, R300_ZC_FLUSH);
 186         /* Wait until IDLE & CLEAN */
 187         radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
 188         radeon_ring_write(rdev, (RADEON_WAIT_3D_IDLECLEAN |
 189                                  RADEON_WAIT_2D_IDLECLEAN |
 190                                  RADEON_WAIT_DMA_GUI_IDLE));
 191         radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 192         radeon_ring_write(rdev, rdev->config.r300.hdp_cntl |
 193                                 RADEON_HDP_READ_BUFFER_INVALIDATE);
 194         radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 195         radeon_ring_write(rdev, rdev->config.r300.hdp_cntl);
 196         /* Emit fence sequence & fire IRQ */
 197         radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0));
 198         radeon_ring_write(rdev, fence->seq);
 199         radeon_ring_write(rdev, PACKET0(RADEON_GEN_INT_STATUS, 0));
 200         radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
 201 }
 202
 203 int r300_copy_dma(struct radeon_device *rdev,
 204                   uint64_t src_offset,
 205                   uint64_t dst_offset,
 206                   unsigned num_pages,
 207                   struct radeon_fence *fence)
 208 {
 209         uint32_t size;
 210         uint32_t cur_size;
 211         int i, num_loops;
 212         int r = 0;
 213
 214         /* radeon pitch is /64 */
 215         size = num_pages << PAGE_SHIFT;
 216         num_loops = DIV_ROUND_UP(size, 0x1FFFFF);
 217         r = radeon_ring_lock(rdev, num_loops * 4 + 64);
 218         if (r) {
 219                 DRM_ERROR("radeon: moving bo (%d).\n", r);
 220                 return r;
 221         }
 222         /* Must wait for 2D idle & clean before DMA or hangs might happen */
 223         radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0 ));
 224         radeon_ring_write(rdev, RADEON_WAIT_2D_IDLECLEAN);
 225         for (i = 0; i < num_loops; i++) {
 226                 cur_size = size;
 227                 if (cur_size > 0x1FFFFF) {
 228                         cur_size = 0x1FFFFF;
 229                 }
 230                 size -= cur_size;
 231                 radeon_ring_write(rdev, PACKET0(0x720, 2));
 232                 radeon_ring_write(rdev, src_offset);
 233                 radeon_ring_write(rdev, dst_offset);
 234                 radeon_ring_write(rdev, cur_size | (1 << 31) | (1 << 30));
 235                 src_offset += cur_size;
 236                 dst_offset += cur_size;
 237         }
 238         radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
 239         radeon_ring_write(rdev, RADEON_WAIT_DMA_GUI_IDLE);
 240         if (fence) {
 241                 r = radeon_fence_emit(rdev, fence);
 242         }
 243         radeon_ring_unlock_commit(rdev);
 244         return r;
 245 }
 246
 247 void r300_ring_start(struct radeon_device *rdev)
 248 {
 249         unsigned gb_tile_config;
 250         int r;
 251
 252         /* Sub pixel 1/12 so we can have 4K rendering according to doc */
 253         gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 254         switch(rdev->num_gb_pipes) {
 255         case 2:
 256                 gb_tile_config |= R300_PIPE_COUNT_R300;
 257                 break;
 258         case 3:
 259                 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
 260                 break;
 261         case 4:
 262                 gb_tile_config |= R300_PIPE_COUNT_R420;
 263                 break;
 264         case 1:
 265         default:
 266                 gb_tile_config |= R300_PIPE_COUNT_RV350;
 267                 break;
 268         }
 269
 270         r = radeon_ring_lock(rdev, 64);
 271         if (r) {
 272                 return;
 273         }
 274         radeon_ring_write(rdev, PACKET0(RADEON_ISYNC_CNTL, 0));
 275         radeon_ring_write(rdev,
 276                           RADEON_ISYNC_ANY2D_IDLE3D |
 277                           RADEON_ISYNC_ANY3D_IDLE2D |
 278                           RADEON_ISYNC_WAIT_IDLEGUI |
 279                           RADEON_ISYNC_CPSCRATCH_IDLEGUI);
 280         radeon_ring_write(rdev, PACKET0(R300_GB_TILE_CONFIG, 0));
 281         radeon_ring_write(rdev, gb_tile_config);
 282         radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
 283         radeon_ring_write(rdev,
 284                           RADEON_WAIT_2D_IDLECLEAN |
 285                           RADEON_WAIT_3D_IDLECLEAN);
 286         radeon_ring_write(rdev, PACKET0(R300_DST_PIPE_CONFIG, 0));
 287         radeon_ring_write(rdev, R300_PIPE_AUTO_CONFIG);
 288         radeon_ring_write(rdev, PACKET0(R300_GB_SELECT, 0));
 289         radeon_ring_write(rdev, 0);
 290         radeon_ring_write(rdev, PACKET0(R300_GB_ENABLE, 0));
 291         radeon_ring_write(rdev, 0);
 292         radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 293         radeon_ring_write(rdev, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
 294         radeon_ring_write(rdev, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 295         radeon_ring_write(rdev, R300_ZC_FLUSH | R300_ZC_FREE);
 296         radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
 297         radeon_ring_write(rdev,
 298                           RADEON_WAIT_2D_IDLECLEAN |
 299                           RADEON_WAIT_3D_IDLECLEAN);
 300         radeon_ring_write(rdev, PACKET0(R300_GB_AA_CONFIG, 0));
 301         radeon_ring_write(rdev, 0);
 302         radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 303         radeon_ring_write(rdev, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
 304         radeon_ring_write(rdev, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 305         radeon_ring_write(rdev, R300_ZC_FLUSH | R300_ZC_FREE);
 306         radeon_ring_write(rdev, PACKET0(R300_GB_MSPOS0, 0));
 307         radeon_ring_write(rdev,
 308                           ((6 << R300_MS_X0_SHIFT) |
 309                            (6 << R300_MS_Y0_SHIFT) |
 310                            (6 << R300_MS_X1_SHIFT) |
 311                            (6 << R300_MS_Y1_SHIFT) |
 312                            (6 << R300_MS_X2_SHIFT) |
 313                            (6 << R300_MS_Y2_SHIFT) |
 314                            (6 << R300_MSBD0_Y_SHIFT) |
 315                            (6 << R300_MSBD0_X_SHIFT)));
 316         radeon_ring_write(rdev, PACKET0(R300_GB_MSPOS1, 0));
 317         radeon_ring_write(rdev,
 318                           ((6 << R300_MS_X3_SHIFT) |
 319                            (6 << R300_MS_Y3_SHIFT) |
 320                            (6 << R300_MS_X4_SHIFT) |
 321                            (6 << R300_MS_Y4_SHIFT) |
 322                            (6 << R300_MS_X5_SHIFT) |
 323                            (6 << R300_MS_Y5_SHIFT) |
 324                            (6 << R300_MSBD1_SHIFT)));
 325         radeon_ring_write(rdev, PACKET0(R300_GA_ENHANCE, 0));
 326         radeon_ring_write(rdev, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
 327         radeon_ring_write(rdev, PACKET0(R300_GA_POLY_MODE, 0));
 328         radeon_ring_write(rdev,
 329                           R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
 330         radeon_ring_write(rdev, PACKET0(R300_GA_ROUND_MODE, 0));
 331         radeon_ring_write(rdev,
 332                           R300_GEOMETRY_ROUND_NEAREST |
 333                           R300_COLOR_ROUND_NEAREST);
 334         radeon_ring_unlock_commit(rdev);
 335 }
 336
 337 void r300_errata(struct radeon_device *rdev)
 338 {
 339         rdev->pll_errata = 0;
 340
 341         if (rdev->family == CHIP_R300 &&
 342             (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
 343                 rdev->pll_errata |= CHIP_ERRATA_R300_CG;
 344         }
 345 }
 346
 347 int r300_mc_wait_for_idle(struct radeon_device *rdev)
 348 {
 349         unsigned i;
 350         uint32_t tmp;
 351
 352         for (i = 0; i < rdev->usec_timeout; i++) {
 353                 /* read MC_STATUS */
 354                 tmp = RREG32(RADEON_MC_STATUS);
 355                 if (tmp & R300_MC_IDLE) {
 356                         return 0;
 357                 }
 358                 DRM_UDELAY(1);
 359         }
 360         return -1;
 361 }
 362
 363 void r300_gpu_init(struct radeon_device *rdev)
 364 {
 365         uint32_t gb_tile_config, tmp;
 366
 367         r100_hdp_reset(rdev);
 368         /* FIXME: rv380 one pipes ? */
 369         if ((rdev->family == CHIP_R300) || (rdev->family == CHIP_R350)) {
 370                 /* r300,r350 */
 371                 rdev->num_gb_pipes = 2;
 372         } else {
 373                 /* rv350,rv370,rv380 */
 374                 rdev->num_gb_pipes = 1;
 375         }
 376         rdev->num_z_pipes = 1;
 377         gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 378         switch (rdev->num_gb_pipes) {
 379         case 2:
 380                 gb_tile_config |= R300_PIPE_COUNT_R300;
 381                 break;
 382         case 3:
 383                 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
 384                 break;
 385         case 4:
 386                 gb_tile_config |= R300_PIPE_COUNT_R420;
 387                 break;
 388         default:
 389         case 1:
 390                 gb_tile_config |= R300_PIPE_COUNT_RV350;
 391                 break;
 392         }
 393         WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
 394
 395         if (r100_gui_wait_for_idle(rdev)) {
 396                 printk(KERN_WARNING "Failed to wait GUI idle while "
 397                        "programming pipes. Bad things might happen.\n");
 398         }
 399
 400         tmp = RREG32(R300_DST_PIPE_CONFIG);
 401         WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
 402
 403         WREG32(R300_RB2D_DSTCACHE_MODE,
 404                R300_DC_AUTOFLUSH_ENABLE |
 405                R300_DC_DC_DISABLE_IGNORE_PE);
 406
 407         if (r100_gui_wait_for_idle(rdev)) {
 408                 printk(KERN_WARNING "Failed to wait GUI idle while "
 409                        "programming pipes. Bad things might happen.\n");
 410         }
 411         if (r300_mc_wait_for_idle(rdev)) {
 412                 printk(KERN_WARNING "Failed to wait MC idle while "
 413                        "programming pipes. Bad things might happen.\n");
 414         }
 415         DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized.\n",
 416                  rdev->num_gb_pipes, rdev->num_z_pipes);
 417 }
 418
 419 int r300_ga_reset(struct radeon_device *rdev)
 420 {
 421         uint32_t tmp;
 422         bool reinit_cp;
 423         int i;
 424
 425         reinit_cp = rdev->cp.ready;
 426         rdev->cp.ready = false;
 427         for (i = 0; i < rdev->usec_timeout; i++) {
 428                 WREG32(RADEON_CP_CSQ_MODE, 0);
 429                 WREG32(RADEON_CP_CSQ_CNTL, 0);
 430                 WREG32(RADEON_RBBM_SOFT_RESET, 0x32005);
 431                 (void)RREG32(RADEON_RBBM_SOFT_RESET);
 432                 udelay(200);
 433                 WREG32(RADEON_RBBM_SOFT_RESET, 0);
 434                 /* Wait to prevent race in RBBM_STATUS */
 435                 mdelay(1);
 436                 tmp = RREG32(RADEON_RBBM_STATUS);
 437                 if (tmp & ((1 << 20) | (1 << 26))) {
 438                         DRM_ERROR("VAP & CP still busy (RBBM_STATUS=0x%08X)", tmp);
 439                         /* GA still busy soft reset it */
 440                         WREG32(0x429C, 0x200);
 441                         WREG32(R300_VAP_PVS_STATE_FLUSH_REG, 0);
 442                         WREG32(R300_RE_SCISSORS_TL, 0);
 443                         WREG32(R300_RE_SCISSORS_BR, 0);
 444                         WREG32(0x24AC, 0);
 445                 }
 446                 /* Wait to prevent race in RBBM_STATUS */
 447                 mdelay(1);
 448                 tmp = RREG32(RADEON_RBBM_STATUS);
 449                 if (!(tmp & ((1 << 20) | (1 << 26)))) {
 450                         break;
 451                 }
 452         }
 453         for (i = 0; i < rdev->usec_timeout; i++) {
 454                 tmp = RREG32(RADEON_RBBM_STATUS);
 455                 if (!(tmp & ((1 << 20) | (1 << 26)))) {
 456                         DRM_INFO("GA reset succeed (RBBM_STATUS=0x%08X)\n",
 457                                  tmp);
 458                         if (reinit_cp) {
 459                                 return r100_cp_init(rdev, rdev->cp.ring_size);
 460                         }
 461                         return 0;
 462                 }
 463                 DRM_UDELAY(1);
 464         }
 465         tmp = RREG32(RADEON_RBBM_STATUS);
 466         DRM_ERROR("Failed to reset GA ! (RBBM_STATUS=0x%08X)\n", tmp);
 467         return -1;
 468 }
 469
 470 int r300_gpu_reset(struct radeon_device *rdev)
 471 {
 472         uint32_t status;
 473
 474         /* reset order likely matter */
 475         status = RREG32(RADEON_RBBM_STATUS);
 476         /* reset HDP */
 477         r100_hdp_reset(rdev);
 478         /* reset rb2d */
 479         if (status & ((1 << 17) | (1 << 18) | (1 << 27))) {
 480                 r100_rb2d_reset(rdev);
 481         }
 482         /* reset GA */
 483         if (status & ((1 << 20) | (1 << 26))) {
 484                 r300_ga_reset(rdev);
 485         }
 486         /* reset CP */
 487         status = RREG32(RADEON_RBBM_STATUS);
 488         if (status & (1 << 16)) {
 489                 r100_cp_reset(rdev);
 490         }
 491         /* Check if GPU is idle */
 492         status = RREG32(RADEON_RBBM_STATUS);
 493         if (status & RADEON_RBBM_ACTIVE) {
 494                 DRM_ERROR("Failed to reset GPU (RBBM_STATUS=0x%08X)\n", status);
 495                 return -1;
 496         }
 497         DRM_INFO("GPU reset succeed (RBBM_STATUS=0x%08X)\n", status);
 498         return 0;
 499 }
 500
 501
 502 /*
 503  * r300,r350,rv350,rv380 VRAM info
 504  */
 505 void r300_vram_info(struct radeon_device *rdev)
 506 {
 507         uint32_t tmp;
 508
 509         /* DDR for all card after R300 & IGP */
 510         rdev->mc.vram_is_ddr = true;
 511
 512         tmp = RREG32(RADEON_MEM_CNTL);
 513         tmp &= R300_MEM_NUM_CHANNELS_MASK;
 514         switch (tmp) {
 515         case 0: rdev->mc.vram_width = 64; break;
 516         case 1: rdev->mc.vram_width = 128; break;
 517         case 2: rdev->mc.vram_width = 256; break;
 518         default:  rdev->mc.vram_width = 128; break;
 519         }
 520
 521         r100_vram_init_sizes(rdev);
 522 }
 523
 524 void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
 525 {
 526         uint32_t link_width_cntl, mask;
 527
 528         if (rdev->flags & RADEON_IS_IGP)
 529                 return;
 530
 531         if (!(rdev->flags & RADEON_IS_PCIE))
 532                 return;
 533
 534         /* FIXME wait for idle */
 535
 536         switch (lanes) {
 537         case 0:
 538                 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
 539                 break;
 540         case 1:
 541                 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
 542                 break;
 543         case 2:
 544                 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
 545                 break;
 546         case 4:
 547                 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
 548                 break;
 549         case 8:
 550                 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
 551                 break;
 552         case 12:
 553                 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
 554                 break;
 555         case 16:
 556         default:
 557                 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
 558                 break;
 559         }
 560
 561         link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 562
 563         if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
 564             (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
 565                 return;
 566
 567         link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
 568                              RADEON_PCIE_LC_RECONFIG_NOW |
 569                              RADEON_PCIE_LC_RECONFIG_LATER |
 570                              RADEON_PCIE_LC_SHORT_RECONFIG_EN);
 571         link_width_cntl |= mask;
 572         WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
 573         WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
 574                                                      RADEON_PCIE_LC_RECONFIG_NOW));
 575
 576         /* wait for lane set to complete */
 577         link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 578         while (link_width_cntl == 0xffffffff)
 579                 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 580
 581 }
 582
 583 #if defined(CONFIG_DEBUG_FS)
 584 static int rv370_debugfs_pcie_gart_info(struct seq_file *m, void *data)
 585 {
 586         struct drm_info_node *node = (struct drm_info_node *) m->private;
 587         struct drm_device *dev = node->minor->dev;
 588         struct radeon_device *rdev = dev->dev_private;
 589         uint32_t tmp;
 590
 591         tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 592         seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
 593         tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
 594         seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
 595         tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
 596         seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
 597         tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
 598         seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
 599         tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
 600         seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
 601         tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
 602         seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
 603         tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
 604         seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
 605         return 0;
 606 }
 607
 608 static struct drm_info_list rv370_pcie_gart_info_list[] = {
 609         {"rv370_pcie_gart_info", rv370_debugfs_pcie_gart_info, 0, NULL},
 610 };
 611 #endif
 612
 613 static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
 614 {
 615 #if defined(CONFIG_DEBUG_FS)
 616         return radeon_debugfs_add_files(rdev, rv370_pcie_gart_info_list, 1);
 617 #else
 618         return 0;
 619 #endif
 620 }
 621
 622 static int r300_packet0_check(struct radeon_cs_parser *p,
 623                 struct radeon_cs_packet *pkt,
 624                 unsigned idx, unsigned reg)
 625 {
 626         struct radeon_cs_reloc *reloc;
 627         struct r100_cs_track *track;
 628         volatile uint32_t *ib;
 629         uint32_t tmp, tile_flags = 0;
 630         unsigned i;
 631         int r;
 632         u32 idx_value;
 633
 634         ib = p->ib->ptr;
 635         track = (struct r100_cs_track *)p->track;
 636         idx_value = radeon_get_ib_value(p, idx);
 637
 638         switch(reg) {
 639         case AVIVO_D1MODE_VLINE_START_END:
 640         case RADEON_CRTC_GUI_TRIG_VLINE:
 641                 r = r100_cs_packet_parse_vline(p);
 642                 if (r) {
 643                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 644                                         idx, reg);
 645                         r100_cs_dump_packet(p, pkt);
 646                         return r;
 647                 }
 648                 break;
 649         case RADEON_DST_PITCH_OFFSET:
 650         case RADEON_SRC_PITCH_OFFSET:
 651                 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
 652                 if (r)
 653                         return r;
 654                 break;
 655         case R300_RB3D_COLOROFFSET0:
 656         case R300_RB3D_COLOROFFSET1:
 657         case R300_RB3D_COLOROFFSET2:
 658         case R300_RB3D_COLOROFFSET3:
 659                 i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
 660                 r = r100_cs_packet_next_reloc(p, &reloc);
 661                 if (r) {
 662                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 663                                         idx, reg);
 664                         r100_cs_dump_packet(p, pkt);
 665                         return r;
 666                 }
 667                 track->cb[i].robj = reloc->robj;
 668                 track->cb[i].offset = idx_value;
 669                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 670                 break;
 671         case R300_ZB_DEPTHOFFSET:
 672                 r = r100_cs_packet_next_reloc(p, &reloc);
 673                 if (r) {
 674                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 675                                         idx, reg);
 676                         r100_cs_dump_packet(p, pkt);
 677                         return r;
 678                 }
 679                 track->zb.robj = reloc->robj;
 680                 track->zb.offset = idx_value;
 681                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
 682                 break;
 683         case R300_TX_OFFSET_0:
 684         case R300_TX_OFFSET_0+4:
 685         case R300_TX_OFFSET_0+8:
 686         case R300_TX_OFFSET_0+12:
 687         case R300_TX_OFFSET_0+16:
 688         case R300_TX_OFFSET_0+20:
 689         case R300_TX_OFFSET_0+24:
 690         case R300_TX_OFFSET_0+28:
 691         case R300_TX_OFFSET_0+32:
 692         case R300_TX_OFFSET_0+36:
 693         case R300_TX_OFFSET_0+40:
 694         case R300_TX_OFFSET_0+44:
 695         case R300_TX_OFFSET_0+48:
 696         case R300_TX_OFFSET_0+52:
 697         case R300_TX_OFFSET_0+56:
 698         case R300_TX_OFFSET_0+60:
 699                 i = (reg - R300_TX_OFFSET_0) >> 2;
 700                 r = r100_cs_packet_next_reloc(p, &reloc);
 701                 if (r) {
 702                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 703                                         idx, reg);
 704                         r100_cs_dump_packet(p, pkt);
 705                         return r;
 706                 }
 707
 708                 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
 709                         tile_flags |= R300_TXO_MACRO_TILE;
 710                 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
 711                         tile_flags |= R300_TXO_MICRO_TILE;
 712
 713                 tmp = idx_value + ((u32)reloc->lobj.gpu_offset);
 714                 tmp |= tile_flags;
 715                 ib[idx] = tmp;
 716                 track->textures[i].robj = reloc->robj;
 717                 break;
 718         /* Tracked registers */
 719         case 0x2084:
 720                 /* VAP_VF_CNTL */
 721                 track->vap_vf_cntl = idx_value;
 722                 break;
 723         case 0x20B4:
 724                 /* VAP_VTX_SIZE */
 725                 track->vtx_size = idx_value & 0x7F;
 726                 break;
 727         case 0x2134:
 728                 /* VAP_VF_MAX_VTX_INDX */
 729                 track->max_indx = idx_value & 0x00FFFFFFUL;
 730                 break;
 731         case 0x43E4:
 732                 /* SC_SCISSOR1 */
 733                 track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
 734                 if (p->rdev->family < CHIP_RV515) {
 735                         track->maxy -= 1440;
 736                 }
 737                 break;
 738         case 0x4E00:
 739                 /* RB3D_CCTL */
 740                 track->num_cb = ((idx_value >> 5) & 0x3) + 1;
 741                 break;
 742         case 0x4E38:
 743         case 0x4E3C:
 744         case 0x4E40:
 745         case 0x4E44:
 746                 /* RB3D_COLORPITCH0 */
 747                 /* RB3D_COLORPITCH1 */
 748                 /* RB3D_COLORPITCH2 */
 749                 /* RB3D_COLORPITCH3 */
 750                 r = r100_cs_packet_next_reloc(p, &reloc);
 751                 if (r) {
 752                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 753                                   idx, reg);
 754                         r100_cs_dump_packet(p, pkt);
 755                         return r;
 756                 }
 757
 758                 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
 759                         tile_flags |= R300_COLOR_TILE_ENABLE;
 760                 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
 761                         tile_flags |= R300_COLOR_MICROTILE_ENABLE;
 762
 763                 tmp = idx_value & ~(0x7 << 16);
 764                 tmp |= tile_flags;
 765                 ib[idx] = tmp;
 766
 767                 i = (reg - 0x4E38) >> 2;
 768                 track->cb[i].pitch = idx_value & 0x3FFE;
 769                 switch (((idx_value >> 21) & 0xF)) {
 770                 case 9:
 771                 case 11:
 772                 case 12:
 773                         track->cb[i].cpp = 1;
 774                         break;
 775                 case 3:
 776                 case 4:
 777                 case 13:
 778                 case 15:
 779                         track->cb[i].cpp = 2;
 780                         break;
 781                 case 6:
 782                         track->cb[i].cpp = 4;
 783                         break;
 784                 case 10:
 785                         track->cb[i].cpp = 8;
 786                         break;
 787                 case 7:
 788                         track->cb[i].cpp = 16;
 789                         break;
 790                 default:
 791                         DRM_ERROR("Invalid color buffer format (%d) !\n",
 792                                   ((idx_value >> 21) & 0xF));
 793                         return -EINVAL;
 794                 }
 795                 break;
 796         case 0x4F00:
 797                 /* ZB_CNTL */
 798                 if (idx_value & 2) {
 799                         track->z_enabled = true;
 800                 } else {
 801                         track->z_enabled = false;
 802                 }
 803                 break;
 804         case 0x4F10:
 805                 /* ZB_FORMAT */
 806                 switch ((idx_value & 0xF)) {
 807                 case 0:
 808                 case 1:
 809                         track->zb.cpp = 2;
 810                         break;
 811                 case 2:
 812                         track->zb.cpp = 4;
 813                         break;
 814                 default:
 815                         DRM_ERROR("Invalid z buffer format (%d) !\n",
 816                                   (idx_value & 0xF));
 817                         return -EINVAL;
 818                 }
 819                 break;
 820         case 0x4F24:
 821                 /* ZB_DEPTHPITCH */
 822                 r = r100_cs_packet_next_reloc(p, &reloc);
 823                 if (r) {
 824                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 825                                   idx, reg);
 826                         r100_cs_dump_packet(p, pkt);
 827                         return r;
 828                 }
 829
 830                 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
 831                         tile_flags |= R300_DEPTHMACROTILE_ENABLE;
 832                 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
 833                         tile_flags |= R300_DEPTHMICROTILE_TILED;;
 834
 835                 tmp = idx_value & ~(0x7 << 16);
 836                 tmp |= tile_flags;
 837                 ib[idx] = tmp;
 838
 839                 track->zb.pitch = idx_value & 0x3FFC;
 840                 break;
 841         case 0x4104:
 842                 for (i = 0; i < 16; i++) {
 843                         bool enabled;
 844
 845                         enabled = !!(idx_value & (1 << i));
 846                         track->textures[i].enabled = enabled;
 847                 }
 848                 break;
 849         case 0x44C0:
 850         case 0x44C4:
 851         case 0x44C8:
 852         case 0x44CC:
 853         case 0x44D0:
 854         case 0x44D4:
 855         case 0x44D8:
 856         case 0x44DC:
 857         case 0x44E0:
 858         case 0x44E4:
 859         case 0x44E8:
 860         case 0x44EC:
 861         case 0x44F0:
 862         case 0x44F4:
 863         case 0x44F8:
 864         case 0x44FC:
 865                 /* TX_FORMAT1_[0-15] */
 866                 i = (reg - 0x44C0) >> 2;
 867                 tmp = (idx_value >> 25) & 0x3;
 868                 track->textures[i].tex_coord_type = tmp;
 869                 switch ((idx_value & 0x1F)) {
 870                 case R300_TX_FORMAT_X8:
 871                 case R300_TX_FORMAT_Y4X4:
 872                 case R300_TX_FORMAT_Z3Y3X2:
 873                         track->textures[i].cpp = 1;
 874                         break;
 875                 case R300_TX_FORMAT_X16:
 876                 case R300_TX_FORMAT_Y8X8:
 877                 case R300_TX_FORMAT_Z5Y6X5:
 878                 case R300_TX_FORMAT_Z6Y5X5:
 879                 case R300_TX_FORMAT_W4Z4Y4X4:
 880                 case R300_TX_FORMAT_W1Z5Y5X5:
 881                 case R300_TX_FORMAT_D3DMFT_CxV8U8:
 882                 case R300_TX_FORMAT_B8G8_B8G8:
 883                 case R300_TX_FORMAT_G8R8_G8B8:
 884                         track->textures[i].cpp = 2;
 885                         break;
 886                 case R300_TX_FORMAT_Y16X16:
 887                 case R300_TX_FORMAT_Z11Y11X10:
 888                 case R300_TX_FORMAT_Z10Y11X11:
 889                 case R300_TX_FORMAT_W8Z8Y8X8:
 890                 case R300_TX_FORMAT_W2Z10Y10X10:
 891                 case 0x17:
 892                 case R300_TX_FORMAT_FL_I32:
 893                 case 0x1e:
 894                         track->textures[i].cpp = 4;
 895                         break;
 896                 case R300_TX_FORMAT_W16Z16Y16X16:
 897                 case R300_TX_FORMAT_FL_R16G16B16A16:
 898                 case R300_TX_FORMAT_FL_I32A32:
 899                         track->textures[i].cpp = 8;
 900                         break;
 901                 case R300_TX_FORMAT_FL_R32G32B32A32:
 902                         track->textures[i].cpp = 16;
 903                         break;
 904                 case R300_TX_FORMAT_DXT1:
 905                         track->textures[i].cpp = 1;
 906                         track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
 907                         break;
 908                 case R300_TX_FORMAT_ATI2N:
 909                         if (p->rdev->family < CHIP_R420) {
 910                                 DRM_ERROR("Invalid texture format %u\n",
 911                                           (idx_value & 0x1F));
 912                                 return -EINVAL;
 913                         }
 914                         /* The same rules apply as for DXT3/5. */
 915                         /* Pass through. */
 916                 case R300_TX_FORMAT_DXT3:
 917                 case R300_TX_FORMAT_DXT5:
 918                         track->textures[i].cpp = 1;
 919                         track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
 920                         break;
 921                 default:
 922                         DRM_ERROR("Invalid texture format %u\n",
 923                                   (idx_value & 0x1F));
 924                         return -EINVAL;
 925                         break;
 926                 }
 927                 break;
 928         case 0x4400:
 929         case 0x4404:
 930         case 0x4408:
 931         case 0x440C:
 932         case 0x4410:
 933         case 0x4414:
 934         case 0x4418:
 935         case 0x441C:
 936         case 0x4420:
 937         case 0x4424:
 938         case 0x4428:
 939         case 0x442C:
 940         case 0x4430:
 941         case 0x4434:
 942         case 0x4438:
 943         case 0x443C:
 944                 /* TX_FILTER0_[0-15] */
 945                 i = (reg - 0x4400) >> 2;
 946                 tmp = idx_value & 0x7;
 947                 if (tmp == 2 || tmp == 4 || tmp == 6) {
 948                         track->textures[i].roundup_w = false;
 949                 }
 950                 tmp = (idx_value >> 3) & 0x7;
 951                 if (tmp == 2 || tmp == 4 || tmp == 6) {
 952                         track->textures[i].roundup_h = false;
 953                 }
 954                 break;
 955         case 0x4500:
 956         case 0x4504:
 957         case 0x4508:
 958         case 0x450C:
 959         case 0x4510:
 960         case 0x4514:
 961         case 0x4518:
 962         case 0x451C:
 963         case 0x4520:
 964         case 0x4524:
 965         case 0x4528:
 966         case 0x452C:
 967         case 0x4530:
 968         case 0x4534:
 969         case 0x4538:
 970         case 0x453C:
 971                 /* TX_FORMAT2_[0-15] */
 972                 i = (reg - 0x4500) >> 2;
 973                 tmp = idx_value & 0x3FFF;
 974                 track->textures[i].pitch = tmp + 1;
 975                 if (p->rdev->family >= CHIP_RV515) {
 976                         tmp = ((idx_value >> 15) & 1) << 11;
 977                         track->textures[i].width_11 = tmp;
 978                         tmp = ((idx_value >> 16) & 1) << 11;
 979                         track->textures[i].height_11 = tmp;
 980
 981                         /* ATI1N */
 982                         if (idx_value & (1 << 14)) {
 983                                 /* The same rules apply as for DXT1. */
 984                                 track->textures[i].compress_format =
 985                                         R100_TRACK_COMP_DXT1;
 986                         }
 987                 } else if (idx_value & (1 << 14)) {
 988                         DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
 989                         return -EINVAL;
 990                 }
 991                 break;
 992         case 0x4480:
 993         case 0x4484:
 994         case 0x4488:
 995         case 0x448C:
 996         case 0x4490:
 997         case 0x4494:
 998         case 0x4498:
 999         case 0x449C:
1000         case 0x44A0:
1001         case 0x44A4:
1002         case 0x44A8:
1003         case 0x44AC:
1004         case 0x44B0:
1005         case 0x44B4:
1006         case 0x44B8:
1007         case 0x44BC:
1008                 /* TX_FORMAT0_[0-15] */
1009                 i = (reg - 0x4480) >> 2;
1010                 tmp = idx_value & 0x7FF;
1011                 track->textures[i].width = tmp + 1;
1012                 tmp = (idx_value >> 11) & 0x7FF;
1013                 track->textures[i].height = tmp + 1;
1014                 tmp = (idx_value >> 26) & 0xF;
1015                 track->textures[i].num_levels = tmp;
1016                 tmp = idx_value & (1 << 31);
1017                 track->textures[i].use_pitch = !!tmp;
1018                 tmp = (idx_value >> 22) & 0xF;
1019                 track->textures[i].txdepth = tmp;
1020                 break;
1021         case R300_ZB_ZPASS_ADDR:
1022                 r = r100_cs_packet_next_reloc(p, &reloc);
1023                 if (r) {
1024                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1025                                         idx, reg);
1026                         r100_cs_dump_packet(p, pkt);
1027                         return r;
1028                 }
1029                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1030                 break;
1031         case 0x4e0c:
1032                 /* RB3D_COLOR_CHANNEL_MASK */
1033                 track->color_channel_mask = idx_value;
1034                 break;
1035         case 0x4d1c:
1036                 /* ZB_BW_CNTL */
1037                 track->fastfill = !!(idx_value & (1 << 2));
1038                 break;
1039         case 0x4e04:
1040                 /* RB3D_BLENDCNTL */
1041                 track->blend_read_enable = !!(idx_value & (1 << 2));
1042                 break;
1043         case 0x4be8:
1044                 /* valid register only on RV530 */
1045                 if (p->rdev->family == CHIP_RV530)
1046                         break;
1047                 /* fallthrough do not move */
1048         default:
1049                 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1050                        reg, idx);
1051                 return -EINVAL;
1052         }
1053         return 0;
1054 }
1055
1056 static int r300_packet3_check(struct radeon_cs_parser *p,
1057                               struct radeon_cs_packet *pkt)
1058 {
1059         struct radeon_cs_reloc *reloc;
1060         struct r100_cs_track *track;
1061         volatile uint32_t *ib;
1062         unsigned idx;
1063         int r;
1064
1065         ib = p->ib->ptr;
1066         idx = pkt->idx + 1;
1067         track = (struct r100_cs_track *)p->track;
1068         switch(pkt->opcode) {
1069         case PACKET3_3D_LOAD_VBPNTR:
1070                 r = r100_packet3_load_vbpntr(p, pkt, idx);
1071                 if (r)
1072                         return r;
1073                 break;
1074         case PACKET3_INDX_BUFFER:
1075                 r = r100_cs_packet_next_reloc(p, &reloc);
1076                 if (r) {
1077                         DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1078                         r100_cs_dump_packet(p, pkt);
1079                         return r;
1080                 }
1081                 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->lobj.gpu_offset);
1082                 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1083                 if (r) {
1084                         return r;
1085                 }
1086                 break;
1087         /* Draw packet */
1088         case PACKET3_3D_DRAW_IMMD:
1089                 /* Number of dwords is vtx_size * (num_vertices - 1)
1090                  * PRIM_WALK must be equal to 3 vertex data in embedded
1091                  * in cmd stream */
1092                 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1093                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1094                         return -EINVAL;
1095                 }
1096                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1097                 track->immd_dwords = pkt->count - 1;
1098                 r = r100_cs_track_check(p->rdev, track);
1099                 if (r) {
1100                         return r;
1101                 }
1102                 break;
1103         case PACKET3_3D_DRAW_IMMD_2:
1104                 /* Number of dwords is vtx_size * (num_vertices - 1)
1105                  * PRIM_WALK must be equal to 3 vertex data in embedded
1106                  * in cmd stream */
1107                 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1108                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1109                         return -EINVAL;
1110                 }
1111                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1112                 track->immd_dwords = pkt->count;
1113                 r = r100_cs_track_check(p->rdev, track);
1114                 if (r) {
1115                         return r;
1116                 }
1117                 break;
1118         case PACKET3_3D_DRAW_VBUF:
1119                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1120                 r = r100_cs_track_check(p->rdev, track);
1121                 if (r) {
1122                         return r;
1123                 }
1124                 break;
1125         case PACKET3_3D_DRAW_VBUF_2:
1126                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1127                 r = r100_cs_track_check(p->rdev, track);
1128                 if (r) {
1129                         return r;
1130                 }
1131                 break;
1132         case PACKET3_3D_DRAW_INDX:
1133                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1134                 r = r100_cs_track_check(p->rdev, track);
1135                 if (r) {
1136                         return r;
1137                 }
1138                 break;
1139         case PACKET3_3D_DRAW_INDX_2:
1140                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1141                 r = r100_cs_track_check(p->rdev, track);
1142                 if (r) {
1143                         return r;
1144                 }
1145                 break;
1146         case PACKET3_NOP:
1147                 break;
1148         default:
1149                 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1150                 return -EINVAL;
1151         }
1152         return 0;
1153 }
1154
1155 int r300_cs_parse(struct radeon_cs_parser *p)
1156 {
1157         struct radeon_cs_packet pkt;
1158         struct r100_cs_track *track;
1159         int r;
1160
1161         track = kzalloc(sizeof(*track), GFP_KERNEL);
1162         r100_cs_track_clear(p->rdev, track);
1163         p->track = track;
1164         do {
1165                 r = r100_cs_packet_parse(p, &pkt, p->idx);
1166                 if (r) {
1167                         return r;
1168                 }
1169                 p->idx += pkt.count + 2;
1170                 switch (pkt.type) {
1171                 case PACKET_TYPE0:
1172                         r = r100_cs_parse_packet0(p, &pkt,
1173                                                   p->rdev->config.r300.reg_safe_bm,
1174                                                   p->rdev->config.r300.reg_safe_bm_size,
1175                                                   &r300_packet0_check);
1176                         break;
1177                 case PACKET_TYPE2:
1178                         break;
1179                 case PACKET_TYPE3:
1180                         r = r300_packet3_check(p, &pkt);
1181                         break;
1182                 default:
1183                         DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1184                         return -EINVAL;
1185                 }
1186                 if (r) {
1187                         return r;
1188                 }
1189         } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
1190         return 0;
1191 }
1192
1193 void r300_set_reg_safe(struct radeon_device *rdev)
1194 {
1195         rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1196         rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1197 }
1198
1199 void r300_mc_program(struct radeon_device *rdev)
1200 {
1201         struct r100_mc_save save;
1202         int r;
1203
1204         r = r100_debugfs_mc_info_init(rdev);
1205         if (r) {
1206                 dev_err(rdev->dev, "Failed to create r100_mc debugfs file.\n");
1207         }
1208
1209         /* Stops all mc clients */
1210         r100_mc_stop(rdev, &save);
1211         if (rdev->flags & RADEON_IS_AGP) {
1212                 WREG32(R_00014C_MC_AGP_LOCATION,
1213                         S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1214                         S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1215                 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1216                 WREG32(R_00015C_AGP_BASE_2,
1217                         upper_32_bits(rdev->mc.agp_base) & 0xff);
1218         } else {
1219                 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1220                 WREG32(R_000170_AGP_BASE, 0);
1221                 WREG32(R_00015C_AGP_BASE_2, 0);
1222         }
1223         /* Wait for mc idle */
1224         if (r300_mc_wait_for_idle(rdev))
1225                 DRM_INFO("Failed to wait MC idle before programming MC.\n");
1226         /* Program MC, should be a 32bits limited address space */
1227         WREG32(R_000148_MC_FB_LOCATION,
1228                 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1229                 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1230         r100_mc_resume(rdev, &save);
1231 }
1232
1233 void r300_clock_startup(struct radeon_device *rdev)
1234 {
1235         u32 tmp;
1236
1237         if (radeon_dynclks != -1 && radeon_dynclks)
1238                 radeon_legacy_set_clock_gating(rdev, 1);
1239         /* We need to force on some of the block */
1240         tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1241         tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1242         if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1243                 tmp |= S_00000D_FORCE_VAP(1);
1244         WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1245 }
1246
1247 static int r300_startup(struct radeon_device *rdev)
1248 {
1249         int r;
1250
1251         /* set common regs */
1252         r100_set_common_regs(rdev);
1253         /* program mc */
1254         r300_mc_program(rdev);
1255         /* Resume clock */
1256         r300_clock_startup(rdev);
1257         /* Initialize GPU configuration (# pipes, ...) */
1258         r300_gpu_init(rdev);
1259         /* Initialize GART (initialize after TTM so we can allocate
1260          * memory through TTM but finalize after TTM) */
1261         if (rdev->flags & RADEON_IS_PCIE) {
1262                 r = rv370_pcie_gart_enable(rdev);
1263                 if (r)
1264                         return r;
1265         }
1266
1267         if (rdev->family == CHIP_R300 ||
1268             rdev->family == CHIP_R350 ||
1269             rdev->family == CHIP_RV350)
1270                 r100_enable_bm(rdev);
1271
1272         if (rdev->flags & RADEON_IS_PCI) {
1273                 r = r100_pci_gart_enable(rdev);
1274                 if (r)
1275                         return r;
1276         }
1277         /* Enable IRQ */
1278         r100_irq_set(rdev);
1279         rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1280         /* 1M ring buffer */
1281         r = r100_cp_init(rdev, 1024 * 1024);
1282         if (r) {
1283                 dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
1284                 return r;
1285         }
1286         r = r100_wb_init(rdev);
1287         if (r)
1288                 dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
1289         r = r100_ib_init(rdev);
1290         if (r) {
1291                 dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
1292                 return r;
1293         }
1294         return 0;
1295 }
1296
1297 int r300_resume(struct radeon_device *rdev)
1298 {
1299         /* Make sur GART are not working */
1300         if (rdev->flags & RADEON_IS_PCIE)
1301                 rv370_pcie_gart_disable(rdev);
1302         if (rdev->flags & RADEON_IS_PCI)
1303                 r100_pci_gart_disable(rdev);
1304         /* Resume clock before doing reset */
1305         r300_clock_startup(rdev);
1306         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1307         if (radeon_gpu_reset(rdev)) {
1308                 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1309                         RREG32(R_000E40_RBBM_STATUS),
1310                         RREG32(R_0007C0_CP_STAT));
1311         }
1312         /* post */
1313         radeon_combios_asic_init(rdev->ddev);
1314         /* Resume clock after posting */
1315         r300_clock_startup(rdev);
1316         /* Initialize surface registers */
1317         radeon_surface_init(rdev);
1318         return r300_startup(rdev);
1319 }
1320
1321 int r300_suspend(struct radeon_device *rdev)
1322 {
1323         r100_cp_disable(rdev);
1324         r100_wb_disable(rdev);
1325         r100_irq_disable(rdev);
1326         if (rdev->flags & RADEON_IS_PCIE)
1327                 rv370_pcie_gart_disable(rdev);
1328         if (rdev->flags & RADEON_IS_PCI)
1329                 r100_pci_gart_disable(rdev);
1330         return 0;
1331 }
1332
1333 void r300_fini(struct radeon_device *rdev)
1334 {
1335         r100_cp_fini(rdev);
1336         r100_wb_fini(rdev);
1337         r100_ib_fini(rdev);
1338         radeon_gem_fini(rdev);
1339         if (rdev->flags & RADEON_IS_PCIE)
1340                 rv370_pcie_gart_fini(rdev);
1341         if (rdev->flags & RADEON_IS_PCI)
1342                 r100_pci_gart_fini(rdev);
1343         radeon_agp_fini(rdev);
1344         radeon_irq_kms_fini(rdev);
1345         radeon_fence_driver_fini(rdev);
1346         radeon_bo_fini(rdev);
1347         radeon_atombios_fini(rdev);
1348         kfree(rdev->bios);
1349         rdev->bios = NULL;
1350 }
1351
1352 int r300_init(struct radeon_device *rdev)
1353 {
1354         int r;
1355
1356         /* Disable VGA */
1357         r100_vga_render_disable(rdev);
1358         /* Initialize scratch registers */
1359         radeon_scratch_init(rdev);
1360         /* Initialize surface registers */
1361         radeon_surface_init(rdev);
1362         /* TODO: disable VGA need to use VGA request */
1363         /* BIOS*/
1364         if (!radeon_get_bios(rdev)) {
1365                 if (ASIC_IS_AVIVO(rdev))
1366                         return -EINVAL;
1367         }
1368         if (rdev->is_atom_bios) {
1369                 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1370                 return -EINVAL;
1371         } else {
1372                 r = radeon_combios_init(rdev);
1373                 if (r)
1374                         return r;
1375         }
1376         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1377         if (radeon_gpu_reset(rdev)) {
1378                 dev_warn(rdev->dev,
1379                         "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1380                         RREG32(R_000E40_RBBM_STATUS),
1381                         RREG32(R_0007C0_CP_STAT));
1382         }
1383         /* check if cards are posted or not */
1384         if (radeon_boot_test_post_card(rdev) == false)
1385                 return -EINVAL;
1386         /* Set asic errata */
1387         r300_errata(rdev);
1388         /* Initialize clocks */
1389         radeon_get_clock_info(rdev->ddev);
1390         /* Initialize power management */
1391         radeon_pm_init(rdev);
1392         /* Get vram informations */
1393         r300_vram_info(rdev);
1394         /* Initialize memory controller (also test AGP) */
1395         r = r420_mc_init(rdev);
1396         if (r)
1397                 return r;
1398         /* Fence driver */
1399         r = radeon_fence_driver_init(rdev);
1400         if (r)
1401                 return r;
1402         r = radeon_irq_kms_init(rdev);
1403         if (r)
1404                 return r;
1405         /* Memory manager */
1406         r = radeon_bo_init(rdev);
1407         if (r)
1408                 return r;
1409         if (rdev->flags & RADEON_IS_PCIE) {
1410                 r = rv370_pcie_gart_init(rdev);
1411                 if (r)
1412                         return r;
1413         }
1414         if (rdev->flags & RADEON_IS_PCI) {
1415                 r = r100_pci_gart_init(rdev);
1416                 if (r)
1417                         return r;
1418         }
1419         r300_set_reg_safe(rdev);
1420         rdev->accel_working = true;
1421         r = r300_startup(rdev);
1422         if (r) {
1423                 /* Somethings want wront with the accel init stop accel */
1424                 dev_err(rdev->dev, "Disabling GPU acceleration\n");
1425                 r100_cp_fini(rdev);
1426                 r100_wb_fini(rdev);
1427                 r100_ib_fini(rdev);
1428                 radeon_irq_kms_fini(rdev);
1429                 if (rdev->flags & RADEON_IS_PCIE)
1430                         rv370_pcie_gart_fini(rdev);
1431                 if (rdev->flags & RADEON_IS_PCI)
1432                         r100_pci_gart_fini(rdev);
1433                 radeon_agp_fini(rdev);
1434                 rdev->accel_working = false;
1435         }
1436         return 0;
1437 }