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
  29 #include <linux/debugfs.h>
  30 #include <linux/pci.h>
  31 #include <linux/seq_file.h>
  32 #include <linux/slab.h>
  33
  34 #include <drm/drm.h>
  35 #include <drm/drm_device.h>
  36 #include <drm/drm_file.h>
  37 #include <drm/radeon_drm.h>
  38
  39 #include "r100_track.h"
  40 #include "r300_reg_safe.h"
  41 #include "r300d.h"
  42 #include "radeon.h"
  43 #include "radeon_asic.h"
  44 #include "radeon_reg.h"
  45 #include "rv350d.h"
  46
  47 /* This files gather functions specifics to: r300,r350,rv350,rv370,rv380
  48  *
  49  * GPU Errata:
  50  * - HOST_PATH_CNTL: r300 family seems to dislike write to HOST_PATH_CNTL
  51  *   using MMIO to flush host path read cache, this lead to HARDLOCKUP.
  52  *   However, scheduling such write to the ring seems harmless, i suspect
  53  *   the CP read collide with the flush somehow, or maybe the MC, hard to
  54  *   tell. (Jerome Glisse)
  55  */
  56
  57 /*
  58  * Indirect registers accessor
  59  */
  60 uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
  61 {
  62         unsigned long flags;
  63         uint32_t r;
  64
  65         spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
  66         WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
  67         r = RREG32(RADEON_PCIE_DATA);
  68         spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
  69         return r;
  70 }
  71
  72 void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
  73 {
  74         unsigned long flags;
  75
  76         spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
  77         WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
  78         WREG32(RADEON_PCIE_DATA, (v));
  79         spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
  80 }
  81
  82 /*
  83  * rv370,rv380 PCIE GART
  84  */
  85 static void rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
  86
  87 void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
  88 {
  89         uint32_t tmp;
  90         int i;
  91
  92         /* Workaround HW bug do flush 2 times */
  93         for (i = 0; i < 2; i++) {
  94                 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
  95                 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
  96                 (void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
  97                 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
  98         }
  99         mb();
 100 }
 101
 102 #define R300_PTE_UNSNOOPED (1 << 0)
 103 #define R300_PTE_WRITEABLE (1 << 2)
 104 #define R300_PTE_READABLE  (1 << 3)
 105
 106 uint64_t rv370_pcie_gart_get_page_entry(uint64_t addr, uint32_t flags)
 107 {
 108         addr = (lower_32_bits(addr) >> 8) |
 109                 ((upper_32_bits(addr) & 0xff) << 24);
 110         if (flags & RADEON_GART_PAGE_READ)
 111                 addr |= R300_PTE_READABLE;
 112         if (flags & RADEON_GART_PAGE_WRITE)
 113                 addr |= R300_PTE_WRITEABLE;
 114         if (!(flags & RADEON_GART_PAGE_SNOOP))
 115                 addr |= R300_PTE_UNSNOOPED;
 116         return addr;
 117 }
 118
 119 void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i,
 120                               uint64_t entry)
 121 {
 122         void __iomem *ptr = rdev->gart.ptr;
 123
 124         /* on x86 we want this to be CPU endian, on powerpc
 125          * on powerpc without HW swappers, it'll get swapped on way
 126          * into VRAM - so no need for cpu_to_le32 on VRAM tables */
 127         writel(entry, ((void __iomem *)ptr) + (i * 4));
 128 }
 129
 130 int rv370_pcie_gart_init(struct radeon_device *rdev)
 131 {
 132         int r;
 133
 134         if (rdev->gart.robj) {
 135                 WARN(1, "RV370 PCIE GART already initialized\n");
 136                 return 0;
 137         }
 138         /* Initialize common gart structure */
 139         r = radeon_gart_init(rdev);
 140         if (r)
 141                 return r;
 142         rv370_debugfs_pcie_gart_info_init(rdev);
 143
 144         rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 145         rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush;
 146         rdev->asic->gart.get_page_entry = &rv370_pcie_gart_get_page_entry;
 147         rdev->asic->gart.set_page = &rv370_pcie_gart_set_page;
 148         return radeon_gart_table_vram_alloc(rdev);
 149 }
 150
 151 int rv370_pcie_gart_enable(struct radeon_device *rdev)
 152 {
 153         uint32_t table_addr;
 154         uint32_t tmp;
 155         int r;
 156
 157         if (rdev->gart.robj == NULL) {
 158                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 159                 return -EINVAL;
 160         }
 161         r = radeon_gart_table_vram_pin(rdev);
 162         if (r)
 163                 return r;
 164         /* discard memory request outside of configured range */
 165         tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 166         WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 167         WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start);
 168         tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK;
 169         WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
 170         WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 171         WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 172         table_addr = rdev->gart.table_addr;
 173         WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
 174         /* FIXME: setup default page */
 175         WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
 176         WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
 177         /* Clear error */
 178         WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0);
 179         tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 180         tmp |= RADEON_PCIE_TX_GART_EN;
 181         tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 182         WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 183         rv370_pcie_gart_tlb_flush(rdev);
 184         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 185                  (unsigned)(rdev->mc.gtt_size >> 20),
 186                  (unsigned long long)table_addr);
 187         rdev->gart.ready = true;
 188         return 0;
 189 }
 190
 191 void rv370_pcie_gart_disable(struct radeon_device *rdev)
 192 {
 193         u32 tmp;
 194
 195         WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
 196         WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
 197         WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 198         WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 199         tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 200         tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 201         WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
 202         radeon_gart_table_vram_unpin(rdev);
 203 }
 204
 205 void rv370_pcie_gart_fini(struct radeon_device *rdev)
 206 {
 207         radeon_gart_fini(rdev);
 208         rv370_pcie_gart_disable(rdev);
 209         radeon_gart_table_vram_free(rdev);
 210 }
 211
 212 void r300_fence_ring_emit(struct radeon_device *rdev,
 213                           struct radeon_fence *fence)
 214 {
 215         struct radeon_ring *ring = &rdev->ring[fence->ring];
 216
 217         /* Who ever call radeon_fence_emit should call ring_lock and ask
 218          * for enough space (today caller are ib schedule and buffer move) */
 219         /* Write SC register so SC & US assert idle */
 220         radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_TL, 0));
 221         radeon_ring_write(ring, 0);
 222         radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0));
 223         radeon_ring_write(ring, 0);
 224         /* Flush 3D cache */
 225         radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 226         radeon_ring_write(ring, R300_RB3D_DC_FLUSH);
 227         radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 228         radeon_ring_write(ring, R300_ZC_FLUSH);
 229         /* Wait until IDLE & CLEAN */
 230         radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 231         radeon_ring_write(ring, (RADEON_WAIT_3D_IDLECLEAN |
 232                                  RADEON_WAIT_2D_IDLECLEAN |
 233                                  RADEON_WAIT_DMA_GUI_IDLE));
 234         radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 235         radeon_ring_write(ring, rdev->config.r300.hdp_cntl |
 236                                 RADEON_HDP_READ_BUFFER_INVALIDATE);
 237         radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 238         radeon_ring_write(ring, rdev->config.r300.hdp_cntl);
 239         /* Emit fence sequence & fire IRQ */
 240         radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
 241         radeon_ring_write(ring, fence->seq);
 242         radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
 243         radeon_ring_write(ring, RADEON_SW_INT_FIRE);
 244 }
 245
 246 void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
 247 {
 248         unsigned gb_tile_config;
 249         int r;
 250
 251         /* Sub pixel 1/12 so we can have 4K rendering according to doc */
 252         gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 253         switch (rdev->num_gb_pipes) {
 254         case 2:
 255                 gb_tile_config |= R300_PIPE_COUNT_R300;
 256                 break;
 257         case 3:
 258                 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
 259                 break;
 260         case 4:
 261                 gb_tile_config |= R300_PIPE_COUNT_R420;
 262                 break;
 263         case 1:
 264         default:
 265                 gb_tile_config |= R300_PIPE_COUNT_RV350;
 266                 break;
 267         }
 268
 269         r = radeon_ring_lock(rdev, ring, 64);
 270         if (r) {
 271                 return;
 272         }
 273         radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
 274         radeon_ring_write(ring,
 275                           RADEON_ISYNC_ANY2D_IDLE3D |
 276                           RADEON_ISYNC_ANY3D_IDLE2D |
 277                           RADEON_ISYNC_WAIT_IDLEGUI |
 278                           RADEON_ISYNC_CPSCRATCH_IDLEGUI);
 279         radeon_ring_write(ring, PACKET0(R300_GB_TILE_CONFIG, 0));
 280         radeon_ring_write(ring, gb_tile_config);
 281         radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 282         radeon_ring_write(ring,
 283                           RADEON_WAIT_2D_IDLECLEAN |
 284                           RADEON_WAIT_3D_IDLECLEAN);
 285         radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
 286         radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
 287         radeon_ring_write(ring, PACKET0(R300_GB_SELECT, 0));
 288         radeon_ring_write(ring, 0);
 289         radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0));
 290         radeon_ring_write(ring, 0);
 291         radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 292         radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
 293         radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 294         radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
 295         radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 296         radeon_ring_write(ring,
 297                           RADEON_WAIT_2D_IDLECLEAN |
 298                           RADEON_WAIT_3D_IDLECLEAN);
 299         radeon_ring_write(ring, PACKET0(R300_GB_AA_CONFIG, 0));
 300         radeon_ring_write(ring, 0);
 301         radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 302         radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
 303         radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 304         radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
 305         radeon_ring_write(ring, PACKET0(R300_GB_MSPOS0, 0));
 306         radeon_ring_write(ring,
 307                           ((6 << R300_MS_X0_SHIFT) |
 308                            (6 << R300_MS_Y0_SHIFT) |
 309                            (6 << R300_MS_X1_SHIFT) |
 310                            (6 << R300_MS_Y1_SHIFT) |
 311                            (6 << R300_MS_X2_SHIFT) |
 312                            (6 << R300_MS_Y2_SHIFT) |
 313                            (6 << R300_MSBD0_Y_SHIFT) |
 314                            (6 << R300_MSBD0_X_SHIFT)));
 315         radeon_ring_write(ring, PACKET0(R300_GB_MSPOS1, 0));
 316         radeon_ring_write(ring,
 317                           ((6 << R300_MS_X3_SHIFT) |
 318                            (6 << R300_MS_Y3_SHIFT) |
 319                            (6 << R300_MS_X4_SHIFT) |
 320                            (6 << R300_MS_Y4_SHIFT) |
 321                            (6 << R300_MS_X5_SHIFT) |
 322                            (6 << R300_MS_Y5_SHIFT) |
 323                            (6 << R300_MSBD1_SHIFT)));
 324         radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0));
 325         radeon_ring_write(ring, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
 326         radeon_ring_write(ring, PACKET0(R300_GA_POLY_MODE, 0));
 327         radeon_ring_write(ring,
 328                           R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
 329         radeon_ring_write(ring, PACKET0(R300_GA_ROUND_MODE, 0));
 330         radeon_ring_write(ring,
 331                           R300_GEOMETRY_ROUND_NEAREST |
 332                           R300_COLOR_ROUND_NEAREST);
 333         radeon_ring_unlock_commit(rdev, ring, false);
 334 }
 335
 336 static void r300_errata(struct radeon_device *rdev)
 337 {
 338         rdev->pll_errata = 0;
 339
 340         if (rdev->family == CHIP_R300 &&
 341             (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
 342                 rdev->pll_errata |= CHIP_ERRATA_R300_CG;
 343         }
 344 }
 345
 346 int r300_mc_wait_for_idle(struct radeon_device *rdev)
 347 {
 348         unsigned i;
 349         uint32_t tmp;
 350
 351         for (i = 0; i < rdev->usec_timeout; i++) {
 352                 /* read MC_STATUS */
 353                 tmp = RREG32(RADEON_MC_STATUS);
 354                 if (tmp & R300_MC_IDLE) {
 355                         return 0;
 356                 }
 357                 udelay(1);
 358         }
 359         return -1;
 360 }
 361
 362 static void r300_gpu_init(struct radeon_device *rdev)
 363 {
 364         uint32_t gb_tile_config, tmp;
 365
 366         if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
 367             (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
 368                 /* r300,r350 */
 369                 rdev->num_gb_pipes = 2;
 370         } else {
 371                 /* rv350,rv370,rv380,r300 AD, r350 AH */
 372                 rdev->num_gb_pipes = 1;
 373         }
 374         rdev->num_z_pipes = 1;
 375         gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 376         switch (rdev->num_gb_pipes) {
 377         case 2:
 378                 gb_tile_config |= R300_PIPE_COUNT_R300;
 379                 break;
 380         case 3:
 381                 gb_tile_config |= R300_PIPE_COUNT_R420_3P;
 382                 break;
 383         case 4:
 384                 gb_tile_config |= R300_PIPE_COUNT_R420;
 385                 break;
 386         default:
 387         case 1:
 388                 gb_tile_config |= R300_PIPE_COUNT_RV350;
 389                 break;
 390         }
 391         WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
 392
 393         if (r100_gui_wait_for_idle(rdev)) {
 394                 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 395         }
 396
 397         tmp = RREG32(R300_DST_PIPE_CONFIG);
 398         WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
 399
 400         WREG32(R300_RB2D_DSTCACHE_MODE,
 401                R300_DC_AUTOFLUSH_ENABLE |
 402                R300_DC_DC_DISABLE_IGNORE_PE);
 403
 404         if (r100_gui_wait_for_idle(rdev)) {
 405                 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 406         }
 407         if (r300_mc_wait_for_idle(rdev)) {
 408                 pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n");
 409         }
 410         DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized\n",
 411                  rdev->num_gb_pipes, rdev->num_z_pipes);
 412 }
 413
 414 int r300_asic_reset(struct radeon_device *rdev, bool hard)
 415 {
 416         struct r100_mc_save save;
 417         u32 status, tmp;
 418         int ret = 0;
 419
 420         status = RREG32(R_000E40_RBBM_STATUS);
 421         if (!G_000E40_GUI_ACTIVE(status)) {
 422                 return 0;
 423         }
 424         r100_mc_stop(rdev, &save);
 425         status = RREG32(R_000E40_RBBM_STATUS);
 426         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 427         /* stop CP */
 428         WREG32(RADEON_CP_CSQ_CNTL, 0);
 429         tmp = RREG32(RADEON_CP_RB_CNTL);
 430         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
 431         WREG32(RADEON_CP_RB_RPTR_WR, 0);
 432         WREG32(RADEON_CP_RB_WPTR, 0);
 433         WREG32(RADEON_CP_RB_CNTL, tmp);
 434         /* save PCI state */
 435         pci_save_state(rdev->pdev);
 436         /* disable bus mastering */
 437         r100_bm_disable(rdev);
 438         WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
 439                                         S_0000F0_SOFT_RESET_GA(1));
 440         RREG32(R_0000F0_RBBM_SOFT_RESET);
 441         mdelay(500);
 442         WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 443         mdelay(1);
 444         status = RREG32(R_000E40_RBBM_STATUS);
 445         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 446         /* resetting the CP seems to be problematic sometimes it end up
 447          * hard locking the computer, but it's necessary for successful
 448          * reset more test & playing is needed on R3XX/R4XX to find a
 449          * reliable (if any solution)
 450          */
 451         WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
 452         RREG32(R_0000F0_RBBM_SOFT_RESET);
 453         mdelay(500);
 454         WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 455         mdelay(1);
 456         status = RREG32(R_000E40_RBBM_STATUS);
 457         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 458         /* restore PCI & busmastering */
 459         pci_restore_state(rdev->pdev);
 460         r100_enable_bm(rdev);
 461         /* Check if GPU is idle */
 462         if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
 463                 dev_err(rdev->dev, "failed to reset GPU\n");
 464                 ret = -1;
 465         } else
 466                 dev_info(rdev->dev, "GPU reset succeed\n");
 467         r100_mc_resume(rdev, &save);
 468         return ret;
 469 }
 470
 471 /*
 472  * r300,r350,rv350,rv380 VRAM info
 473  */
 474 void r300_mc_init(struct radeon_device *rdev)
 475 {
 476         u64 base;
 477         u32 tmp;
 478
 479         /* DDR for all card after R300 & IGP */
 480         rdev->mc.vram_is_ddr = true;
 481         tmp = RREG32(RADEON_MEM_CNTL);
 482         tmp &= R300_MEM_NUM_CHANNELS_MASK;
 483         switch (tmp) {
 484         case 0: rdev->mc.vram_width = 64; break;
 485         case 1: rdev->mc.vram_width = 128; break;
 486         case 2: rdev->mc.vram_width = 256; break;
 487         default:  rdev->mc.vram_width = 128; break;
 488         }
 489         r100_vram_init_sizes(rdev);
 490         base = rdev->mc.aper_base;
 491         if (rdev->flags & RADEON_IS_IGP)
 492                 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
 493         radeon_vram_location(rdev, &rdev->mc, base);
 494         rdev->mc.gtt_base_align = 0;
 495         if (!(rdev->flags & RADEON_IS_AGP))
 496                 radeon_gtt_location(rdev, &rdev->mc);
 497         radeon_update_bandwidth_info(rdev);
 498 }
 499
 500 void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
 501 {
 502         uint32_t link_width_cntl, mask;
 503
 504         if (rdev->flags & RADEON_IS_IGP)
 505                 return;
 506
 507         if (!(rdev->flags & RADEON_IS_PCIE))
 508                 return;
 509
 510         /* FIXME wait for idle */
 511
 512         switch (lanes) {
 513         case 0:
 514                 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
 515                 break;
 516         case 1:
 517                 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
 518                 break;
 519         case 2:
 520                 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
 521                 break;
 522         case 4:
 523                 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
 524                 break;
 525         case 8:
 526                 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
 527                 break;
 528         case 12:
 529                 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
 530                 break;
 531         case 16:
 532         default:
 533                 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
 534                 break;
 535         }
 536
 537         link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 538
 539         if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
 540             (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
 541                 return;
 542
 543         link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
 544                              RADEON_PCIE_LC_RECONFIG_NOW |
 545                              RADEON_PCIE_LC_RECONFIG_LATER |
 546                              RADEON_PCIE_LC_SHORT_RECONFIG_EN);
 547         link_width_cntl |= mask;
 548         WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
 549         WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
 550                                                      RADEON_PCIE_LC_RECONFIG_NOW));
 551
 552         /* wait for lane set to complete */
 553         link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 554         while (link_width_cntl == 0xffffffff)
 555                 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 556
 557 }
 558
 559 int rv370_get_pcie_lanes(struct radeon_device *rdev)
 560 {
 561         u32 link_width_cntl;
 562
 563         if (rdev->flags & RADEON_IS_IGP)
 564                 return 0;
 565
 566         if (!(rdev->flags & RADEON_IS_PCIE))
 567                 return 0;
 568
 569         /* FIXME wait for idle */
 570
 571         link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 572
 573         switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
 574         case RADEON_PCIE_LC_LINK_WIDTH_X0:
 575                 return 0;
 576         case RADEON_PCIE_LC_LINK_WIDTH_X1:
 577                 return 1;
 578         case RADEON_PCIE_LC_LINK_WIDTH_X2:
 579                 return 2;
 580         case RADEON_PCIE_LC_LINK_WIDTH_X4:
 581                 return 4;
 582         case RADEON_PCIE_LC_LINK_WIDTH_X8:
 583                 return 8;
 584         case RADEON_PCIE_LC_LINK_WIDTH_X16:
 585         default:
 586                 return 16;
 587         }
 588 }
 589
 590 #if defined(CONFIG_DEBUG_FS)
 591 static int rv370_debugfs_pcie_gart_info_show(struct seq_file *m, void *unused)
 592 {
 593         struct radeon_device *rdev = m->private;
 594         uint32_t tmp;
 595
 596         tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 597         seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
 598         tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
 599         seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
 600         tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
 601         seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
 602         tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
 603         seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
 604         tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
 605         seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
 606         tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
 607         seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
 608         tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
 609         seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
 610         return 0;
 611 }
 612
 613 DEFINE_SHOW_ATTRIBUTE(rv370_debugfs_pcie_gart_info);
 614 #endif
 615
 616 static void rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
 617 {
 618 #if defined(CONFIG_DEBUG_FS)
 619         struct dentry *root = rdev_to_drm(rdev)->primary->debugfs_root;
 620
 621         debugfs_create_file("rv370_pcie_gart_info", 0444, root, rdev,
 622                             &rv370_debugfs_pcie_gart_info_fops);
 623 #endif
 624 }
 625
 626 static int r300_packet0_check(struct radeon_cs_parser *p,
 627                 struct radeon_cs_packet *pkt,
 628                 unsigned idx, unsigned reg)
 629 {
 630         struct radeon_bo_list *reloc;
 631         struct r100_cs_track *track;
 632         volatile uint32_t *ib;
 633         uint32_t tmp, tile_flags = 0;
 634         unsigned i;
 635         int r;
 636         u32 idx_value;
 637
 638         ib = p->ib.ptr;
 639         track = (struct r100_cs_track *)p->track;
 640         idx_value = radeon_get_ib_value(p, idx);
 641
 642         switch (reg) {
 643         case AVIVO_D1MODE_VLINE_START_END:
 644         case RADEON_CRTC_GUI_TRIG_VLINE:
 645                 r = r100_cs_packet_parse_vline(p);
 646                 if (r) {
 647                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 648                                         idx, reg);
 649                         radeon_cs_dump_packet(p, pkt);
 650                         return r;
 651                 }
 652                 break;
 653         case RADEON_DST_PITCH_OFFSET:
 654         case RADEON_SRC_PITCH_OFFSET:
 655                 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
 656                 if (r)
 657                         return r;
 658                 break;
 659         case R300_RB3D_COLOROFFSET0:
 660         case R300_RB3D_COLOROFFSET1:
 661         case R300_RB3D_COLOROFFSET2:
 662         case R300_RB3D_COLOROFFSET3:
 663                 i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
 664                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 665                 if (r) {
 666                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 667                                         idx, reg);
 668                         radeon_cs_dump_packet(p, pkt);
 669                         return r;
 670                 }
 671                 track->cb[i].robj = reloc->robj;
 672                 track->cb[i].offset = idx_value;
 673                 track->cb_dirty = true;
 674                 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
 675                 break;
 676         case R300_ZB_DEPTHOFFSET:
 677                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 678                 if (r) {
 679                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 680                                         idx, reg);
 681                         radeon_cs_dump_packet(p, pkt);
 682                         return r;
 683                 }
 684                 track->zb.robj = reloc->robj;
 685                 track->zb.offset = idx_value;
 686                 track->zb_dirty = true;
 687                 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
 688                 break;
 689         case R300_TX_OFFSET_0:
 690         case R300_TX_OFFSET_0+4:
 691         case R300_TX_OFFSET_0+8:
 692         case R300_TX_OFFSET_0+12:
 693         case R300_TX_OFFSET_0+16:
 694         case R300_TX_OFFSET_0+20:
 695         case R300_TX_OFFSET_0+24:
 696         case R300_TX_OFFSET_0+28:
 697         case R300_TX_OFFSET_0+32:
 698         case R300_TX_OFFSET_0+36:
 699         case R300_TX_OFFSET_0+40:
 700         case R300_TX_OFFSET_0+44:
 701         case R300_TX_OFFSET_0+48:
 702         case R300_TX_OFFSET_0+52:
 703         case R300_TX_OFFSET_0+56:
 704         case R300_TX_OFFSET_0+60:
 705                 i = (reg - R300_TX_OFFSET_0) >> 2;
 706                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 707                 if (r) {
 708                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 709                                         idx, reg);
 710                         radeon_cs_dump_packet(p, pkt);
 711                         return r;
 712                 }
 713
 714                 if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) {
 715                         ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
 716                                   ((idx_value & ~31) + (u32)reloc->gpu_offset);
 717                 } else {
 718                         if (reloc->tiling_flags & RADEON_TILING_MACRO)
 719                                 tile_flags |= R300_TXO_MACRO_TILE;
 720                         if (reloc->tiling_flags & RADEON_TILING_MICRO)
 721                                 tile_flags |= R300_TXO_MICRO_TILE;
 722                         else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 723                                 tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
 724
 725                         tmp = idx_value + ((u32)reloc->gpu_offset);
 726                         tmp |= tile_flags;
 727                         ib[idx] = tmp;
 728                 }
 729                 track->textures[i].robj = reloc->robj;
 730                 track->tex_dirty = true;
 731                 break;
 732         /* Tracked registers */
 733         case 0x2084:
 734                 /* VAP_VF_CNTL */
 735                 track->vap_vf_cntl = idx_value;
 736                 break;
 737         case 0x20B4:
 738                 /* VAP_VTX_SIZE */
 739                 track->vtx_size = idx_value & 0x7F;
 740                 break;
 741         case 0x2134:
 742                 /* VAP_VF_MAX_VTX_INDX */
 743                 track->max_indx = idx_value & 0x00FFFFFFUL;
 744                 break;
 745         case 0x2088:
 746                 /* VAP_ALT_NUM_VERTICES - only valid on r500 */
 747                 if (p->rdev->family < CHIP_RV515)
 748                         goto fail;
 749                 track->vap_alt_nverts = idx_value & 0xFFFFFF;
 750                 break;
 751         case 0x43E4:
 752                 /* SC_SCISSOR1 */
 753                 track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
 754                 if (p->rdev->family < CHIP_RV515) {
 755                         track->maxy -= 1440;
 756                 }
 757                 track->cb_dirty = true;
 758                 track->zb_dirty = true;
 759                 break;
 760         case 0x4E00:
 761                 /* RB3D_CCTL */
 762                 if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
 763                     p->rdev->cmask_filp != p->filp) {
 764                         DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
 765                         return -EINVAL;
 766                 }
 767                 track->num_cb = ((idx_value >> 5) & 0x3) + 1;
 768                 track->cb_dirty = true;
 769                 break;
 770         case 0x4E38:
 771         case 0x4E3C:
 772         case 0x4E40:
 773         case 0x4E44:
 774                 /* RB3D_COLORPITCH0 */
 775                 /* RB3D_COLORPITCH1 */
 776                 /* RB3D_COLORPITCH2 */
 777                 /* RB3D_COLORPITCH3 */
 778                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
 779                         r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 780                         if (r) {
 781                                 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 782                                           idx, reg);
 783                                 radeon_cs_dump_packet(p, pkt);
 784                                 return r;
 785                         }
 786
 787                         if (reloc->tiling_flags & RADEON_TILING_MACRO)
 788                                 tile_flags |= R300_COLOR_TILE_ENABLE;
 789                         if (reloc->tiling_flags & RADEON_TILING_MICRO)
 790                                 tile_flags |= R300_COLOR_MICROTILE_ENABLE;
 791                         else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 792                                 tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
 793
 794                         tmp = idx_value & ~(0x7 << 16);
 795                         tmp |= tile_flags;
 796                         ib[idx] = tmp;
 797                 }
 798                 i = (reg - 0x4E38) >> 2;
 799                 track->cb[i].pitch = idx_value & 0x3FFE;
 800                 switch (((idx_value >> 21) & 0xF)) {
 801                 case 9:
 802                 case 11:
 803                 case 12:
 804                         track->cb[i].cpp = 1;
 805                         break;
 806                 case 3:
 807                 case 4:
 808                 case 13:
 809                 case 15:
 810                         track->cb[i].cpp = 2;
 811                         break;
 812                 case 5:
 813                         if (p->rdev->family < CHIP_RV515) {
 814                                 DRM_ERROR("Invalid color buffer format (%d)!\n",
 815                                           ((idx_value >> 21) & 0xF));
 816                                 return -EINVAL;
 817                         }
 818                         fallthrough;
 819                 case 6:
 820                         track->cb[i].cpp = 4;
 821                         break;
 822                 case 10:
 823                         track->cb[i].cpp = 8;
 824                         break;
 825                 case 7:
 826                         track->cb[i].cpp = 16;
 827                         break;
 828                 default:
 829                         DRM_ERROR("Invalid color buffer format (%d) !\n",
 830                                   ((idx_value >> 21) & 0xF));
 831                         return -EINVAL;
 832                 }
 833                 track->cb_dirty = true;
 834                 break;
 835         case 0x4F00:
 836                 /* ZB_CNTL */
 837                 if (idx_value & 2) {
 838                         track->z_enabled = true;
 839                 } else {
 840                         track->z_enabled = false;
 841                 }
 842                 track->zb_dirty = true;
 843                 break;
 844         case 0x4F10:
 845                 /* ZB_FORMAT */
 846                 switch ((idx_value & 0xF)) {
 847                 case 0:
 848                 case 1:
 849                         track->zb.cpp = 2;
 850                         break;
 851                 case 2:
 852                         track->zb.cpp = 4;
 853                         break;
 854                 default:
 855                         DRM_ERROR("Invalid z buffer format (%d) !\n",
 856                                   (idx_value & 0xF));
 857                         return -EINVAL;
 858                 }
 859                 track->zb_dirty = true;
 860                 break;
 861         case 0x4F24:
 862                 /* ZB_DEPTHPITCH */
 863                 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
 864                         r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 865                         if (r) {
 866                                 DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 867                                           idx, reg);
 868                                 radeon_cs_dump_packet(p, pkt);
 869                                 return r;
 870                         }
 871
 872                         if (reloc->tiling_flags & RADEON_TILING_MACRO)
 873                                 tile_flags |= R300_DEPTHMACROTILE_ENABLE;
 874                         if (reloc->tiling_flags & RADEON_TILING_MICRO)
 875                                 tile_flags |= R300_DEPTHMICROTILE_TILED;
 876                         else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 877                                 tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
 878
 879                         tmp = idx_value & ~(0x7 << 16);
 880                         tmp |= tile_flags;
 881                         ib[idx] = tmp;
 882                 }
 883                 track->zb.pitch = idx_value & 0x3FFC;
 884                 track->zb_dirty = true;
 885                 break;
 886         case 0x4104:
 887                 /* TX_ENABLE */
 888                 for (i = 0; i < 16; i++) {
 889                         bool enabled;
 890
 891                         enabled = !!(idx_value & (1 << i));
 892                         track->textures[i].enabled = enabled;
 893                 }
 894                 track->tex_dirty = true;
 895                 break;
 896         case 0x44C0:
 897         case 0x44C4:
 898         case 0x44C8:
 899         case 0x44CC:
 900         case 0x44D0:
 901         case 0x44D4:
 902         case 0x44D8:
 903         case 0x44DC:
 904         case 0x44E0:
 905         case 0x44E4:
 906         case 0x44E8:
 907         case 0x44EC:
 908         case 0x44F0:
 909         case 0x44F4:
 910         case 0x44F8:
 911         case 0x44FC:
 912                 /* TX_FORMAT1_[0-15] */
 913                 i = (reg - 0x44C0) >> 2;
 914                 tmp = (idx_value >> 25) & 0x3;
 915                 track->textures[i].tex_coord_type = tmp;
 916                 switch ((idx_value & 0x1F)) {
 917                 case R300_TX_FORMAT_X8:
 918                 case R300_TX_FORMAT_Y4X4:
 919                 case R300_TX_FORMAT_Z3Y3X2:
 920                         track->textures[i].cpp = 1;
 921                         track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 922                         break;
 923                 case R300_TX_FORMAT_X16:
 924                 case R300_TX_FORMAT_FL_I16:
 925                 case R300_TX_FORMAT_Y8X8:
 926                 case R300_TX_FORMAT_Z5Y6X5:
 927                 case R300_TX_FORMAT_Z6Y5X5:
 928                 case R300_TX_FORMAT_W4Z4Y4X4:
 929                 case R300_TX_FORMAT_W1Z5Y5X5:
 930                 case R300_TX_FORMAT_D3DMFT_CxV8U8:
 931                 case R300_TX_FORMAT_B8G8_B8G8:
 932                 case R300_TX_FORMAT_G8R8_G8B8:
 933                         track->textures[i].cpp = 2;
 934                         track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 935                         break;
 936                 case R300_TX_FORMAT_Y16X16:
 937                 case R300_TX_FORMAT_FL_I16A16:
 938                 case R300_TX_FORMAT_Z11Y11X10:
 939                 case R300_TX_FORMAT_Z10Y11X11:
 940                 case R300_TX_FORMAT_W8Z8Y8X8:
 941                 case R300_TX_FORMAT_W2Z10Y10X10:
 942                 case 0x17:
 943                 case R300_TX_FORMAT_FL_I32:
 944                 case 0x1e:
 945                         track->textures[i].cpp = 4;
 946                         track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 947                         break;
 948                 case R300_TX_FORMAT_W16Z16Y16X16:
 949                 case R300_TX_FORMAT_FL_R16G16B16A16:
 950                 case R300_TX_FORMAT_FL_I32A32:
 951                         track->textures[i].cpp = 8;
 952                         track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 953                         break;
 954                 case R300_TX_FORMAT_FL_R32G32B32A32:
 955                         track->textures[i].cpp = 16;
 956                         track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 957                         break;
 958                 case R300_TX_FORMAT_DXT1:
 959                         track->textures[i].cpp = 1;
 960                         track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
 961                         break;
 962                 case R300_TX_FORMAT_ATI2N:
 963                         if (p->rdev->family < CHIP_R420) {
 964                                 DRM_ERROR("Invalid texture format %u\n",
 965                                           (idx_value & 0x1F));
 966                                 return -EINVAL;
 967                         }
 968                         /* The same rules apply as for DXT3/5. */
 969                         fallthrough;
 970                 case R300_TX_FORMAT_DXT3:
 971                 case R300_TX_FORMAT_DXT5:
 972                         track->textures[i].cpp = 1;
 973                         track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
 974                         break;
 975                 default:
 976                         DRM_ERROR("Invalid texture format %u\n",
 977                                   (idx_value & 0x1F));
 978                         return -EINVAL;
 979                 }
 980                 track->tex_dirty = true;
 981                 break;
 982         case 0x4400:
 983         case 0x4404:
 984         case 0x4408:
 985         case 0x440C:
 986         case 0x4410:
 987         case 0x4414:
 988         case 0x4418:
 989         case 0x441C:
 990         case 0x4420:
 991         case 0x4424:
 992         case 0x4428:
 993         case 0x442C:
 994         case 0x4430:
 995         case 0x4434:
 996         case 0x4438:
 997         case 0x443C:
 998                 /* TX_FILTER0_[0-15] */
 999                 i = (reg - 0x4400) >> 2;
1000                 tmp = idx_value & 0x7;
1001                 if (tmp == 2 || tmp == 4 || tmp == 6) {
1002                         track->textures[i].roundup_w = false;
1003                 }
1004                 tmp = (idx_value >> 3) & 0x7;
1005                 if (tmp == 2 || tmp == 4 || tmp == 6) {
1006                         track->textures[i].roundup_h = false;
1007                 }
1008                 track->tex_dirty = true;
1009                 break;
1010         case 0x4500:
1011         case 0x4504:
1012         case 0x4508:
1013         case 0x450C:
1014         case 0x4510:
1015         case 0x4514:
1016         case 0x4518:
1017         case 0x451C:
1018         case 0x4520:
1019         case 0x4524:
1020         case 0x4528:
1021         case 0x452C:
1022         case 0x4530:
1023         case 0x4534:
1024         case 0x4538:
1025         case 0x453C:
1026                 /* TX_FORMAT2_[0-15] */
1027                 i = (reg - 0x4500) >> 2;
1028                 tmp = idx_value & 0x3FFF;
1029                 track->textures[i].pitch = tmp + 1;
1030                 if (p->rdev->family >= CHIP_RV515) {
1031                         tmp = ((idx_value >> 15) & 1) << 11;
1032                         track->textures[i].width_11 = tmp;
1033                         tmp = ((idx_value >> 16) & 1) << 11;
1034                         track->textures[i].height_11 = tmp;
1035
1036                         /* ATI1N */
1037                         if (idx_value & (1 << 14)) {
1038                                 /* The same rules apply as for DXT1. */
1039                                 track->textures[i].compress_format =
1040                                         R100_TRACK_COMP_DXT1;
1041                         }
1042                 } else if (idx_value & (1 << 14)) {
1043                         DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1044                         return -EINVAL;
1045                 }
1046                 track->tex_dirty = true;
1047                 break;
1048         case 0x4480:
1049         case 0x4484:
1050         case 0x4488:
1051         case 0x448C:
1052         case 0x4490:
1053         case 0x4494:
1054         case 0x4498:
1055         case 0x449C:
1056         case 0x44A0:
1057         case 0x44A4:
1058         case 0x44A8:
1059         case 0x44AC:
1060         case 0x44B0:
1061         case 0x44B4:
1062         case 0x44B8:
1063         case 0x44BC:
1064                 /* TX_FORMAT0_[0-15] */
1065                 i = (reg - 0x4480) >> 2;
1066                 tmp = idx_value & 0x7FF;
1067                 track->textures[i].width = tmp + 1;
1068                 tmp = (idx_value >> 11) & 0x7FF;
1069                 track->textures[i].height = tmp + 1;
1070                 tmp = (idx_value >> 26) & 0xF;
1071                 track->textures[i].num_levels = tmp;
1072                 tmp = idx_value & (1 << 31);
1073                 track->textures[i].use_pitch = !!tmp;
1074                 tmp = (idx_value >> 22) & 0xF;
1075                 track->textures[i].txdepth = tmp;
1076                 track->tex_dirty = true;
1077                 break;
1078         case R300_ZB_ZPASS_ADDR:
1079                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1080                 if (r) {
1081                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1082                                         idx, reg);
1083                         radeon_cs_dump_packet(p, pkt);
1084                         return r;
1085                 }
1086                 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1087                 break;
1088         case 0x4e0c:
1089                 /* RB3D_COLOR_CHANNEL_MASK */
1090                 track->color_channel_mask = idx_value;
1091                 track->cb_dirty = true;
1092                 break;
1093         case 0x43a4:
1094                 /* SC_HYPERZ_EN */
1095                 /* r300c emits this register - we need to disable hyperz for it
1096                  * without complaining */
1097                 if (p->rdev->hyperz_filp != p->filp) {
1098                         if (idx_value & 0x1)
1099                                 ib[idx] = idx_value & ~1;
1100                 }
1101                 break;
1102         case 0x4f1c:
1103                 /* ZB_BW_CNTL */
1104                 track->zb_cb_clear = !!(idx_value & (1 << 5));
1105                 track->cb_dirty = true;
1106                 track->zb_dirty = true;
1107                 if (p->rdev->hyperz_filp != p->filp) {
1108                         if (idx_value & (R300_HIZ_ENABLE |
1109                                          R300_RD_COMP_ENABLE |
1110                                          R300_WR_COMP_ENABLE |
1111                                          R300_FAST_FILL_ENABLE))
1112                                 goto fail;
1113                 }
1114                 break;
1115         case 0x4e04:
1116                 /* RB3D_BLENDCNTL */
1117                 track->blend_read_enable = !!(idx_value & (1 << 2));
1118                 track->cb_dirty = true;
1119                 break;
1120         case R300_RB3D_AARESOLVE_OFFSET:
1121                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1122                 if (r) {
1123                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1124                                   idx, reg);
1125                         radeon_cs_dump_packet(p, pkt);
1126                         return r;
1127                 }
1128                 track->aa.robj = reloc->robj;
1129                 track->aa.offset = idx_value;
1130                 track->aa_dirty = true;
1131                 ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1132                 break;
1133         case R300_RB3D_AARESOLVE_PITCH:
1134                 track->aa.pitch = idx_value & 0x3FFE;
1135                 track->aa_dirty = true;
1136                 break;
1137         case R300_RB3D_AARESOLVE_CTL:
1138                 track->aaresolve = idx_value & 0x1;
1139                 track->aa_dirty = true;
1140                 break;
1141         case 0x4f30: /* ZB_MASK_OFFSET */
1142         case 0x4f34: /* ZB_ZMASK_PITCH */
1143         case 0x4f44: /* ZB_HIZ_OFFSET */
1144         case 0x4f54: /* ZB_HIZ_PITCH */
1145                 if (idx_value && (p->rdev->hyperz_filp != p->filp))
1146                         goto fail;
1147                 break;
1148         case 0x4028:
1149                 if (idx_value && (p->rdev->hyperz_filp != p->filp))
1150                         goto fail;
1151                 /* GB_Z_PEQ_CONFIG */
1152                 if (p->rdev->family >= CHIP_RV350)
1153                         break;
1154                 goto fail;
1155                 break;
1156         case 0x4be8:
1157                 /* valid register only on RV530 */
1158                 if (p->rdev->family == CHIP_RV530)
1159                         break;
1160                 fallthrough;
1161                 /* fallthrough do not move */
1162         default:
1163                 goto fail;
1164         }
1165         return 0;
1166 fail:
1167         pr_err("Forbidden register 0x%04X in cs at %d (val=%08x)\n",
1168                reg, idx, idx_value);
1169         return -EINVAL;
1170 }
1171
1172 static int r300_packet3_check(struct radeon_cs_parser *p,
1173                               struct radeon_cs_packet *pkt)
1174 {
1175         struct radeon_bo_list *reloc;
1176         struct r100_cs_track *track;
1177         volatile uint32_t *ib;
1178         unsigned idx;
1179         int r;
1180
1181         ib = p->ib.ptr;
1182         idx = pkt->idx + 1;
1183         track = (struct r100_cs_track *)p->track;
1184         switch (pkt->opcode) {
1185         case PACKET3_3D_LOAD_VBPNTR:
1186                 r = r100_packet3_load_vbpntr(p, pkt, idx);
1187                 if (r)
1188                         return r;
1189                 break;
1190         case PACKET3_INDX_BUFFER:
1191                 r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1192                 if (r) {
1193                         DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1194                         radeon_cs_dump_packet(p, pkt);
1195                         return r;
1196                 }
1197                 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1198                 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1199                 if (r) {
1200                         return r;
1201                 }
1202                 break;
1203         /* Draw packet */
1204         case PACKET3_3D_DRAW_IMMD:
1205                 /* Number of dwords is vtx_size * (num_vertices - 1)
1206                  * PRIM_WALK must be equal to 3 vertex data in embedded
1207                  * in cmd stream */
1208                 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1209                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1210                         return -EINVAL;
1211                 }
1212                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1213                 track->immd_dwords = pkt->count - 1;
1214                 r = r100_cs_track_check(p->rdev, track);
1215                 if (r) {
1216                         return r;
1217                 }
1218                 break;
1219         case PACKET3_3D_DRAW_IMMD_2:
1220                 /* Number of dwords is vtx_size * (num_vertices - 1)
1221                  * PRIM_WALK must be equal to 3 vertex data in embedded
1222                  * in cmd stream */
1223                 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1224                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1225                         return -EINVAL;
1226                 }
1227                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1228                 track->immd_dwords = pkt->count;
1229                 r = r100_cs_track_check(p->rdev, track);
1230                 if (r) {
1231                         return r;
1232                 }
1233                 break;
1234         case PACKET3_3D_DRAW_VBUF:
1235                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1236                 r = r100_cs_track_check(p->rdev, track);
1237                 if (r) {
1238                         return r;
1239                 }
1240                 break;
1241         case PACKET3_3D_DRAW_VBUF_2:
1242                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1243                 r = r100_cs_track_check(p->rdev, track);
1244                 if (r) {
1245                         return r;
1246                 }
1247                 break;
1248         case PACKET3_3D_DRAW_INDX:
1249                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1250                 r = r100_cs_track_check(p->rdev, track);
1251                 if (r) {
1252                         return r;
1253                 }
1254                 break;
1255         case PACKET3_3D_DRAW_INDX_2:
1256                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1257                 r = r100_cs_track_check(p->rdev, track);
1258                 if (r) {
1259                         return r;
1260                 }
1261                 break;
1262         case PACKET3_3D_CLEAR_HIZ:
1263         case PACKET3_3D_CLEAR_ZMASK:
1264                 if (p->rdev->hyperz_filp != p->filp)
1265                         return -EINVAL;
1266                 break;
1267         case PACKET3_3D_CLEAR_CMASK:
1268                 if (p->rdev->cmask_filp != p->filp)
1269                         return -EINVAL;
1270                 break;
1271         case PACKET3_NOP:
1272                 break;
1273         default:
1274                 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1275                 return -EINVAL;
1276         }
1277         return 0;
1278 }
1279
1280 int r300_cs_parse(struct radeon_cs_parser *p)
1281 {
1282         struct radeon_cs_packet pkt;
1283         struct r100_cs_track *track;
1284         int r;
1285
1286         track = kzalloc(sizeof(*track), GFP_KERNEL);
1287         if (track == NULL)
1288                 return -ENOMEM;
1289         r100_cs_track_clear(p->rdev, track);
1290         p->track = track;
1291         do {
1292                 r = radeon_cs_packet_parse(p, &pkt, p->idx);
1293                 if (r) {
1294                         return r;
1295                 }
1296                 p->idx += pkt.count + 2;
1297                 switch (pkt.type) {
1298                 case RADEON_PACKET_TYPE0:
1299                         r = r100_cs_parse_packet0(p, &pkt,
1300                                                   p->rdev->config.r300.reg_safe_bm,
1301                                                   p->rdev->config.r300.reg_safe_bm_size,
1302                                                   &r300_packet0_check);
1303                         break;
1304                 case RADEON_PACKET_TYPE2:
1305                         break;
1306                 case RADEON_PACKET_TYPE3:
1307                         r = r300_packet3_check(p, &pkt);
1308                         break;
1309                 default:
1310                         DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1311                         return -EINVAL;
1312                 }
1313                 if (r) {
1314                         return r;
1315                 }
1316         } while (p->idx < p->chunk_ib->length_dw);
1317         return 0;
1318 }
1319
1320 void r300_set_reg_safe(struct radeon_device *rdev)
1321 {
1322         rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1323         rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1324 }
1325
1326 void r300_mc_program(struct radeon_device *rdev)
1327 {
1328         struct r100_mc_save save;
1329
1330         r100_debugfs_mc_info_init(rdev);
1331
1332         /* Stops all mc clients */
1333         r100_mc_stop(rdev, &save);
1334         if (rdev->flags & RADEON_IS_AGP) {
1335                 WREG32(R_00014C_MC_AGP_LOCATION,
1336                         S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1337                         S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1338                 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1339                 WREG32(R_00015C_AGP_BASE_2,
1340                         upper_32_bits(rdev->mc.agp_base) & 0xff);
1341         } else {
1342                 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1343                 WREG32(R_000170_AGP_BASE, 0);
1344                 WREG32(R_00015C_AGP_BASE_2, 0);
1345         }
1346         /* Wait for mc idle */
1347         if (r300_mc_wait_for_idle(rdev))
1348                 DRM_INFO("Failed to wait MC idle before programming MC.\n");
1349         /* Program MC, should be a 32bits limited address space */
1350         WREG32(R_000148_MC_FB_LOCATION,
1351                 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1352                 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1353         r100_mc_resume(rdev, &save);
1354 }
1355
1356 void r300_clock_startup(struct radeon_device *rdev)
1357 {
1358         u32 tmp;
1359
1360         if (radeon_dynclks != -1 && radeon_dynclks)
1361                 radeon_legacy_set_clock_gating(rdev, 1);
1362         /* We need to force on some of the block */
1363         tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1364         tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1365         if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1366                 tmp |= S_00000D_FORCE_VAP(1);
1367         WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1368 }
1369
1370 static int r300_startup(struct radeon_device *rdev)
1371 {
1372         int r;
1373
1374         /* set common regs */
1375         r100_set_common_regs(rdev);
1376         /* program mc */
1377         r300_mc_program(rdev);
1378         /* Resume clock */
1379         r300_clock_startup(rdev);
1380         /* Initialize GPU configuration (# pipes, ...) */
1381         r300_gpu_init(rdev);
1382         /* Initialize GART (initialize after TTM so we can allocate
1383          * memory through TTM but finalize after TTM) */
1384         if (rdev->flags & RADEON_IS_PCIE) {
1385                 r = rv370_pcie_gart_enable(rdev);
1386                 if (r)
1387                         return r;
1388         }
1389
1390         if (rdev->family == CHIP_R300 ||
1391             rdev->family == CHIP_R350 ||
1392             rdev->family == CHIP_RV350)
1393                 r100_enable_bm(rdev);
1394
1395         if (rdev->flags & RADEON_IS_PCI) {
1396                 r = r100_pci_gart_enable(rdev);
1397                 if (r)
1398                         return r;
1399         }
1400
1401         /* allocate wb buffer */
1402         r = radeon_wb_init(rdev);
1403         if (r)
1404                 return r;
1405
1406         r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1407         if (r) {
1408                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1409                 return r;
1410         }
1411
1412         /* Enable IRQ */
1413         if (!rdev->irq.installed) {
1414                 r = radeon_irq_kms_init(rdev);
1415                 if (r)
1416                         return r;
1417         }
1418
1419         r100_irq_set(rdev);
1420         rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1421         /* 1M ring buffer */
1422         r = r100_cp_init(rdev, 1024 * 1024);
1423         if (r) {
1424                 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1425                 return r;
1426         }
1427
1428         r = radeon_ib_pool_init(rdev);
1429         if (r) {
1430                 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1431                 return r;
1432         }
1433
1434         return 0;
1435 }
1436
1437 int r300_resume(struct radeon_device *rdev)
1438 {
1439         int r;
1440
1441         /* Make sur GART are not working */
1442         if (rdev->flags & RADEON_IS_PCIE)
1443                 rv370_pcie_gart_disable(rdev);
1444         if (rdev->flags & RADEON_IS_PCI)
1445                 r100_pci_gart_disable(rdev);
1446         /* Resume clock before doing reset */
1447         r300_clock_startup(rdev);
1448         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1449         if (radeon_asic_reset(rdev)) {
1450                 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1451                         RREG32(R_000E40_RBBM_STATUS),
1452                         RREG32(R_0007C0_CP_STAT));
1453         }
1454         /* post */
1455         radeon_combios_asic_init(rdev_to_drm(rdev));
1456         /* Resume clock after posting */
1457         r300_clock_startup(rdev);
1458         /* Initialize surface registers */
1459         radeon_surface_init(rdev);
1460
1461         rdev->accel_working = true;
1462         r = r300_startup(rdev);
1463         if (r) {
1464                 rdev->accel_working = false;
1465         }
1466         return r;
1467 }
1468
1469 int r300_suspend(struct radeon_device *rdev)
1470 {
1471         radeon_pm_suspend(rdev);
1472         r100_cp_disable(rdev);
1473         radeon_wb_disable(rdev);
1474         r100_irq_disable(rdev);
1475         if (rdev->flags & RADEON_IS_PCIE)
1476                 rv370_pcie_gart_disable(rdev);
1477         if (rdev->flags & RADEON_IS_PCI)
1478                 r100_pci_gart_disable(rdev);
1479         return 0;
1480 }
1481
1482 void r300_fini(struct radeon_device *rdev)
1483 {
1484         radeon_pm_fini(rdev);
1485         r100_cp_fini(rdev);
1486         radeon_wb_fini(rdev);
1487         radeon_ib_pool_fini(rdev);
1488         radeon_gem_fini(rdev);
1489         if (rdev->flags & RADEON_IS_PCIE)
1490                 rv370_pcie_gart_fini(rdev);
1491         if (rdev->flags & RADEON_IS_PCI)
1492                 r100_pci_gart_fini(rdev);
1493         radeon_agp_fini(rdev);
1494         radeon_irq_kms_fini(rdev);
1495         radeon_fence_driver_fini(rdev);
1496         radeon_bo_fini(rdev);
1497         radeon_atombios_fini(rdev);
1498         kfree(rdev->bios);
1499         rdev->bios = NULL;
1500 }
1501
1502 int r300_init(struct radeon_device *rdev)
1503 {
1504         int r;
1505
1506         /* Disable VGA */
1507         r100_vga_render_disable(rdev);
1508         /* Initialize scratch registers */
1509         radeon_scratch_init(rdev);
1510         /* Initialize surface registers */
1511         radeon_surface_init(rdev);
1512         /* TODO: disable VGA need to use VGA request */
1513         /* restore some register to sane defaults */
1514         r100_restore_sanity(rdev);
1515         /* BIOS*/
1516         if (!radeon_get_bios(rdev)) {
1517                 if (ASIC_IS_AVIVO(rdev))
1518                         return -EINVAL;
1519         }
1520         if (rdev->is_atom_bios) {
1521                 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1522                 return -EINVAL;
1523         } else {
1524                 r = radeon_combios_init(rdev);
1525                 if (r)
1526                         return r;
1527         }
1528         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1529         if (radeon_asic_reset(rdev)) {
1530                 dev_warn(rdev->dev,
1531                         "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1532                         RREG32(R_000E40_RBBM_STATUS),
1533                         RREG32(R_0007C0_CP_STAT));
1534         }
1535         /* check if cards are posted or not */
1536         if (radeon_boot_test_post_card(rdev) == false)
1537                 return -EINVAL;
1538         /* Set asic errata */
1539         r300_errata(rdev);
1540         /* Initialize clocks */
1541         radeon_get_clock_info(rdev_to_drm(rdev));
1542         /* initialize AGP */
1543         if (rdev->flags & RADEON_IS_AGP) {
1544                 r = radeon_agp_init(rdev);
1545                 if (r) {
1546                         radeon_agp_disable(rdev);
1547                 }
1548         }
1549         /* initialize memory controller */
1550         r300_mc_init(rdev);
1551         /* Fence driver */
1552         radeon_fence_driver_init(rdev);
1553         /* Memory manager */
1554         r = radeon_bo_init(rdev);
1555         if (r)
1556                 return r;
1557         if (rdev->flags & RADEON_IS_PCIE) {
1558                 r = rv370_pcie_gart_init(rdev);
1559                 if (r)
1560                         return r;
1561         }
1562         if (rdev->flags & RADEON_IS_PCI) {
1563                 r = r100_pci_gart_init(rdev);
1564                 if (r)
1565                         return r;
1566         }
1567         r300_set_reg_safe(rdev);
1568
1569         /* Initialize power management */
1570         radeon_pm_init(rdev);
1571
1572         rdev->accel_working = true;
1573         r = r300_startup(rdev);
1574         if (r) {
1575                 /* Something went wrong with the accel init, so stop accel */
1576                 dev_err(rdev->dev, "Disabling GPU acceleration\n");
1577                 r100_cp_fini(rdev);
1578                 radeon_wb_fini(rdev);
1579                 radeon_ib_pool_fini(rdev);
1580                 radeon_irq_kms_fini(rdev);
1581                 if (rdev->flags & RADEON_IS_PCIE)
1582                         rv370_pcie_gart_fini(rdev);
1583                 if (rdev->flags & RADEON_IS_PCI)
1584                         r100_pci_gart_fini(rdev);
1585                 radeon_agp_fini(rdev);
1586                 rdev->accel_working = false;
1587         }
1588         return 0;
1589 }