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 <linux/slab.h> 30 #include <drm/drmP.h> 31 #include <drm/drm.h> 32 #include <drm/drm_crtc_helper.h> 33 #include "radeon_reg.h" 34 #include "radeon.h" 35 #include "radeon_asic.h" 36 #include <drm/radeon_drm.h> 37 #include "r100_track.h" 38 #include "r300d.h" 39 #include "rv350d.h" 40 #include "r300_reg_safe.h" 41 42 /* This files gather functions specifics to: r300,r350,rv350,rv370,rv380 43 * 44 * GPU Errata: 45 * - HOST_PATH_CNTL: r300 family seems to dislike write to HOST_PATH_CNTL 46 * using MMIO to flush host path read cache, this lead to HARDLOCKUP. 47 * However, scheduling such write to the ring seems harmless, i suspect 48 * the CP read collide with the flush somehow, or maybe the MC, hard to 49 * tell. (Jerome Glisse) 50 */ 51 52 /* 53 * rv370,rv380 PCIE GART 54 */ 55 static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev); 56 57 void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev) 58 { 59 uint32_t tmp; 60 int i; 61 62 /* Workaround HW bug do flush 2 times */ 63 for (i = 0; i < 2; i++) { 64 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL); 65 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB); 66 (void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL); 67 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp); 68 } 69 mb(); 70 } 71 72 #define R300_PTE_WRITEABLE (1 << 2) 73 #define R300_PTE_READABLE (1 << 3) 74 75 int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr) 76 { 77 void __iomem *ptr = rdev->gart.ptr; 78 79 if (i < 0 || i > rdev->gart.num_gpu_pages) { 80 return -EINVAL; 81 } 82 addr = (lower_32_bits(addr) >> 8) | 83 ((upper_32_bits(addr) & 0xff) << 24) | 84 R300_PTE_WRITEABLE | R300_PTE_READABLE; 85 /* on x86 we want this to be CPU endian, on powerpc 86 * on powerpc without HW swappers, it'll get swapped on way 87 * into VRAM - so no need for cpu_to_le32 on VRAM tables */ 88 writel(addr, ((void __iomem *)ptr) + (i * 4)); 89 return 0; 90 } 91 92 int rv370_pcie_gart_init(struct radeon_device *rdev) 93 { 94 int r; 95 96 if (rdev->gart.robj) { 97 WARN(1, "RV370 PCIE GART already initialized\n"); 98 return 0; 99 } 100 /* Initialize common gart structure */ 101 r = radeon_gart_init(rdev); 102 if (r) 103 return r; 104 r = rv370_debugfs_pcie_gart_info_init(rdev); 105 if (r) 106 DRM_ERROR("Failed to register debugfs file for PCIE gart !\n"); 107 rdev->gart.table_size = rdev->gart.num_gpu_pages * 4; 108 rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush; 109 rdev->asic->gart.set_page = &rv370_pcie_gart_set_page; 110 return radeon_gart_table_vram_alloc(rdev); 111 } 112 113 int rv370_pcie_gart_enable(struct radeon_device *rdev) 114 { 115 uint32_t table_addr; 116 uint32_t tmp; 117 int r; 118 119 if (rdev->gart.robj == NULL) { 120 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); 121 return -EINVAL; 122 } 123 r = radeon_gart_table_vram_pin(rdev); 124 if (r) 125 return r; 126 radeon_gart_restore(rdev); 127 /* discard memory request outside of configured range */ 128 tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD; 129 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp); 130 WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start); 131 tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK; 132 WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp); 133 WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0); 134 WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0); 135 table_addr = rdev->gart.table_addr; 136 WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr); 137 /* FIXME: setup default page */ 138 WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start); 139 WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0); 140 /* Clear error */ 141 WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0); 142 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL); 143 tmp |= RADEON_PCIE_TX_GART_EN; 144 tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD; 145 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp); 146 rv370_pcie_gart_tlb_flush(rdev); 147 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 148 (unsigned)(rdev->mc.gtt_size >> 20), 149 (unsigned long long)table_addr); 150 rdev->gart.ready = true; 151 return 0; 152 } 153 154 void rv370_pcie_gart_disable(struct radeon_device *rdev) 155 { 156 u32 tmp; 157 158 WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0); 159 WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0); 160 WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0); 161 WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0); 162 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL); 163 tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD; 164 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN); 165 radeon_gart_table_vram_unpin(rdev); 166 } 167 168 void rv370_pcie_gart_fini(struct radeon_device *rdev) 169 { 170 radeon_gart_fini(rdev); 171 rv370_pcie_gart_disable(rdev); 172 radeon_gart_table_vram_free(rdev); 173 } 174 175 void r300_fence_ring_emit(struct radeon_device *rdev, 176 struct radeon_fence *fence) 177 { 178 struct radeon_ring *ring = &rdev->ring[fence->ring]; 179 180 /* Who ever call radeon_fence_emit should call ring_lock and ask 181 * for enough space (today caller are ib schedule and buffer move) */ 182 /* Write SC register so SC & US assert idle */ 183 radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_TL, 0)); 184 radeon_ring_write(ring, 0); 185 radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0)); 186 radeon_ring_write(ring, 0); 187 /* Flush 3D cache */ 188 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); 189 radeon_ring_write(ring, R300_RB3D_DC_FLUSH); 190 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0)); 191 radeon_ring_write(ring, R300_ZC_FLUSH); 192 /* Wait until IDLE & CLEAN */ 193 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0)); 194 radeon_ring_write(ring, (RADEON_WAIT_3D_IDLECLEAN | 195 RADEON_WAIT_2D_IDLECLEAN | 196 RADEON_WAIT_DMA_GUI_IDLE)); 197 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0)); 198 radeon_ring_write(ring, rdev->config.r300.hdp_cntl | 199 RADEON_HDP_READ_BUFFER_INVALIDATE); 200 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0)); 201 radeon_ring_write(ring, rdev->config.r300.hdp_cntl); 202 /* Emit fence sequence & fire IRQ */ 203 radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0)); 204 radeon_ring_write(ring, fence->seq); 205 radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0)); 206 radeon_ring_write(ring, RADEON_SW_INT_FIRE); 207 } 208 209 void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring) 210 { 211 unsigned gb_tile_config; 212 int r; 213 214 /* Sub pixel 1/12 so we can have 4K rendering according to doc */ 215 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16); 216 switch(rdev->num_gb_pipes) { 217 case 2: 218 gb_tile_config |= R300_PIPE_COUNT_R300; 219 break; 220 case 3: 221 gb_tile_config |= R300_PIPE_COUNT_R420_3P; 222 break; 223 case 4: 224 gb_tile_config |= R300_PIPE_COUNT_R420; 225 break; 226 case 1: 227 default: 228 gb_tile_config |= R300_PIPE_COUNT_RV350; 229 break; 230 } 231 232 r = radeon_ring_lock(rdev, ring, 64); 233 if (r) { 234 return; 235 } 236 radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0)); 237 radeon_ring_write(ring, 238 RADEON_ISYNC_ANY2D_IDLE3D | 239 RADEON_ISYNC_ANY3D_IDLE2D | 240 RADEON_ISYNC_WAIT_IDLEGUI | 241 RADEON_ISYNC_CPSCRATCH_IDLEGUI); 242 radeon_ring_write(ring, PACKET0(R300_GB_TILE_CONFIG, 0)); 243 radeon_ring_write(ring, gb_tile_config); 244 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0)); 245 radeon_ring_write(ring, 246 RADEON_WAIT_2D_IDLECLEAN | 247 RADEON_WAIT_3D_IDLECLEAN); 248 radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0)); 249 radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG); 250 radeon_ring_write(ring, PACKET0(R300_GB_SELECT, 0)); 251 radeon_ring_write(ring, 0); 252 radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0)); 253 radeon_ring_write(ring, 0); 254 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); 255 radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE); 256 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0)); 257 radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE); 258 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0)); 259 radeon_ring_write(ring, 260 RADEON_WAIT_2D_IDLECLEAN | 261 RADEON_WAIT_3D_IDLECLEAN); 262 radeon_ring_write(ring, PACKET0(R300_GB_AA_CONFIG, 0)); 263 radeon_ring_write(ring, 0); 264 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); 265 radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE); 266 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0)); 267 radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE); 268 radeon_ring_write(ring, PACKET0(R300_GB_MSPOS0, 0)); 269 radeon_ring_write(ring, 270 ((6 << R300_MS_X0_SHIFT) | 271 (6 << R300_MS_Y0_SHIFT) | 272 (6 << R300_MS_X1_SHIFT) | 273 (6 << R300_MS_Y1_SHIFT) | 274 (6 << R300_MS_X2_SHIFT) | 275 (6 << R300_MS_Y2_SHIFT) | 276 (6 << R300_MSBD0_Y_SHIFT) | 277 (6 << R300_MSBD0_X_SHIFT))); 278 radeon_ring_write(ring, PACKET0(R300_GB_MSPOS1, 0)); 279 radeon_ring_write(ring, 280 ((6 << R300_MS_X3_SHIFT) | 281 (6 << R300_MS_Y3_SHIFT) | 282 (6 << R300_MS_X4_SHIFT) | 283 (6 << R300_MS_Y4_SHIFT) | 284 (6 << R300_MS_X5_SHIFT) | 285 (6 << R300_MS_Y5_SHIFT) | 286 (6 << R300_MSBD1_SHIFT))); 287 radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0)); 288 radeon_ring_write(ring, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL); 289 radeon_ring_write(ring, PACKET0(R300_GA_POLY_MODE, 0)); 290 radeon_ring_write(ring, 291 R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE); 292 radeon_ring_write(ring, PACKET0(R300_GA_ROUND_MODE, 0)); 293 radeon_ring_write(ring, 294 R300_GEOMETRY_ROUND_NEAREST | 295 R300_COLOR_ROUND_NEAREST); 296 radeon_ring_unlock_commit(rdev, ring); 297 } 298 299 static void r300_errata(struct radeon_device *rdev) 300 { 301 rdev->pll_errata = 0; 302 303 if (rdev->family == CHIP_R300 && 304 (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) { 305 rdev->pll_errata |= CHIP_ERRATA_R300_CG; 306 } 307 } 308 309 int r300_mc_wait_for_idle(struct radeon_device *rdev) 310 { 311 unsigned i; 312 uint32_t tmp; 313 314 for (i = 0; i < rdev->usec_timeout; i++) { 315 /* read MC_STATUS */ 316 tmp = RREG32(RADEON_MC_STATUS); 317 if (tmp & R300_MC_IDLE) { 318 return 0; 319 } 320 DRM_UDELAY(1); 321 } 322 return -1; 323 } 324 325 static void r300_gpu_init(struct radeon_device *rdev) 326 { 327 uint32_t gb_tile_config, tmp; 328 329 if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) || 330 (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) { 331 /* r300,r350 */ 332 rdev->num_gb_pipes = 2; 333 } else { 334 /* rv350,rv370,rv380,r300 AD, r350 AH */ 335 rdev->num_gb_pipes = 1; 336 } 337 rdev->num_z_pipes = 1; 338 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16); 339 switch (rdev->num_gb_pipes) { 340 case 2: 341 gb_tile_config |= R300_PIPE_COUNT_R300; 342 break; 343 case 3: 344 gb_tile_config |= R300_PIPE_COUNT_R420_3P; 345 break; 346 case 4: 347 gb_tile_config |= R300_PIPE_COUNT_R420; 348 break; 349 default: 350 case 1: 351 gb_tile_config |= R300_PIPE_COUNT_RV350; 352 break; 353 } 354 WREG32(R300_GB_TILE_CONFIG, gb_tile_config); 355 356 if (r100_gui_wait_for_idle(rdev)) { 357 printk(KERN_WARNING "Failed to wait GUI idle while " 358 "programming pipes. Bad things might happen.\n"); 359 } 360 361 tmp = RREG32(R300_DST_PIPE_CONFIG); 362 WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG); 363 364 WREG32(R300_RB2D_DSTCACHE_MODE, 365 R300_DC_AUTOFLUSH_ENABLE | 366 R300_DC_DC_DISABLE_IGNORE_PE); 367 368 if (r100_gui_wait_for_idle(rdev)) { 369 printk(KERN_WARNING "Failed to wait GUI idle while " 370 "programming pipes. Bad things might happen.\n"); 371 } 372 if (r300_mc_wait_for_idle(rdev)) { 373 printk(KERN_WARNING "Failed to wait MC idle while " 374 "programming pipes. Bad things might happen.\n"); 375 } 376 DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized.\n", 377 rdev->num_gb_pipes, rdev->num_z_pipes); 378 } 379 380 int r300_asic_reset(struct radeon_device *rdev) 381 { 382 struct r100_mc_save save; 383 u32 status, tmp; 384 int ret = 0; 385 386 status = RREG32(R_000E40_RBBM_STATUS); 387 if (!G_000E40_GUI_ACTIVE(status)) { 388 return 0; 389 } 390 r100_mc_stop(rdev, &save); 391 status = RREG32(R_000E40_RBBM_STATUS); 392 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 393 /* stop CP */ 394 WREG32(RADEON_CP_CSQ_CNTL, 0); 395 tmp = RREG32(RADEON_CP_RB_CNTL); 396 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA); 397 WREG32(RADEON_CP_RB_RPTR_WR, 0); 398 WREG32(RADEON_CP_RB_WPTR, 0); 399 WREG32(RADEON_CP_RB_CNTL, tmp); 400 /* save PCI state */ 401 pci_save_state(rdev->pdev); 402 /* disable bus mastering */ 403 r100_bm_disable(rdev); 404 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) | 405 S_0000F0_SOFT_RESET_GA(1)); 406 RREG32(R_0000F0_RBBM_SOFT_RESET); 407 mdelay(500); 408 WREG32(R_0000F0_RBBM_SOFT_RESET, 0); 409 mdelay(1); 410 status = RREG32(R_000E40_RBBM_STATUS); 411 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 412 /* resetting the CP seems to be problematic sometimes it end up 413 * hard locking the computer, but it's necessary for successful 414 * reset more test & playing is needed on R3XX/R4XX to find a 415 * reliable (if any solution) 416 */ 417 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1)); 418 RREG32(R_0000F0_RBBM_SOFT_RESET); 419 mdelay(500); 420 WREG32(R_0000F0_RBBM_SOFT_RESET, 0); 421 mdelay(1); 422 status = RREG32(R_000E40_RBBM_STATUS); 423 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 424 /* restore PCI & busmastering */ 425 pci_restore_state(rdev->pdev); 426 r100_enable_bm(rdev); 427 /* Check if GPU is idle */ 428 if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) { 429 dev_err(rdev->dev, "failed to reset GPU\n"); 430 ret = -1; 431 } else 432 dev_info(rdev->dev, "GPU reset succeed\n"); 433 r100_mc_resume(rdev, &save); 434 return ret; 435 } 436 437 /* 438 * r300,r350,rv350,rv380 VRAM info 439 */ 440 void r300_mc_init(struct radeon_device *rdev) 441 { 442 u64 base; 443 u32 tmp; 444 445 /* DDR for all card after R300 & IGP */ 446 rdev->mc.vram_is_ddr = true; 447 tmp = RREG32(RADEON_MEM_CNTL); 448 tmp &= R300_MEM_NUM_CHANNELS_MASK; 449 switch (tmp) { 450 case 0: rdev->mc.vram_width = 64; break; 451 case 1: rdev->mc.vram_width = 128; break; 452 case 2: rdev->mc.vram_width = 256; break; 453 default: rdev->mc.vram_width = 128; break; 454 } 455 r100_vram_init_sizes(rdev); 456 base = rdev->mc.aper_base; 457 if (rdev->flags & RADEON_IS_IGP) 458 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16; 459 radeon_vram_location(rdev, &rdev->mc, base); 460 rdev->mc.gtt_base_align = 0; 461 if (!(rdev->flags & RADEON_IS_AGP)) 462 radeon_gtt_location(rdev, &rdev->mc); 463 radeon_update_bandwidth_info(rdev); 464 } 465 466 void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes) 467 { 468 uint32_t link_width_cntl, mask; 469 470 if (rdev->flags & RADEON_IS_IGP) 471 return; 472 473 if (!(rdev->flags & RADEON_IS_PCIE)) 474 return; 475 476 /* FIXME wait for idle */ 477 478 switch (lanes) { 479 case 0: 480 mask = RADEON_PCIE_LC_LINK_WIDTH_X0; 481 break; 482 case 1: 483 mask = RADEON_PCIE_LC_LINK_WIDTH_X1; 484 break; 485 case 2: 486 mask = RADEON_PCIE_LC_LINK_WIDTH_X2; 487 break; 488 case 4: 489 mask = RADEON_PCIE_LC_LINK_WIDTH_X4; 490 break; 491 case 8: 492 mask = RADEON_PCIE_LC_LINK_WIDTH_X8; 493 break; 494 case 12: 495 mask = RADEON_PCIE_LC_LINK_WIDTH_X12; 496 break; 497 case 16: 498 default: 499 mask = RADEON_PCIE_LC_LINK_WIDTH_X16; 500 break; 501 } 502 503 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 504 505 if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) == 506 (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT)) 507 return; 508 509 link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK | 510 RADEON_PCIE_LC_RECONFIG_NOW | 511 RADEON_PCIE_LC_RECONFIG_LATER | 512 RADEON_PCIE_LC_SHORT_RECONFIG_EN); 513 link_width_cntl |= mask; 514 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 515 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl | 516 RADEON_PCIE_LC_RECONFIG_NOW)); 517 518 /* wait for lane set to complete */ 519 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 520 while (link_width_cntl == 0xffffffff) 521 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 522 523 } 524 525 int rv370_get_pcie_lanes(struct radeon_device *rdev) 526 { 527 u32 link_width_cntl; 528 529 if (rdev->flags & RADEON_IS_IGP) 530 return 0; 531 532 if (!(rdev->flags & RADEON_IS_PCIE)) 533 return 0; 534 535 /* FIXME wait for idle */ 536 537 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 538 539 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) { 540 case RADEON_PCIE_LC_LINK_WIDTH_X0: 541 return 0; 542 case RADEON_PCIE_LC_LINK_WIDTH_X1: 543 return 1; 544 case RADEON_PCIE_LC_LINK_WIDTH_X2: 545 return 2; 546 case RADEON_PCIE_LC_LINK_WIDTH_X4: 547 return 4; 548 case RADEON_PCIE_LC_LINK_WIDTH_X8: 549 return 8; 550 case RADEON_PCIE_LC_LINK_WIDTH_X16: 551 default: 552 return 16; 553 } 554 } 555 556 #if defined(CONFIG_DEBUG_FS) 557 static int rv370_debugfs_pcie_gart_info(struct seq_file *m, void *data) 558 { 559 struct drm_info_node *node = (struct drm_info_node *) m->private; 560 struct drm_device *dev = node->minor->dev; 561 struct radeon_device *rdev = dev->dev_private; 562 uint32_t tmp; 563 564 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL); 565 seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp); 566 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE); 567 seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp); 568 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO); 569 seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp); 570 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI); 571 seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp); 572 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO); 573 seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp); 574 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI); 575 seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp); 576 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR); 577 seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp); 578 return 0; 579 } 580 581 static struct drm_info_list rv370_pcie_gart_info_list[] = { 582 {"rv370_pcie_gart_info", rv370_debugfs_pcie_gart_info, 0, NULL}, 583 }; 584 #endif 585 586 static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev) 587 { 588 #if defined(CONFIG_DEBUG_FS) 589 return radeon_debugfs_add_files(rdev, rv370_pcie_gart_info_list, 1); 590 #else 591 return 0; 592 #endif 593 } 594 595 static int r300_packet0_check(struct radeon_cs_parser *p, 596 struct radeon_cs_packet *pkt, 597 unsigned idx, unsigned reg) 598 { 599 struct radeon_cs_reloc *reloc; 600 struct r100_cs_track *track; 601 volatile uint32_t *ib; 602 uint32_t tmp, tile_flags = 0; 603 unsigned i; 604 int r; 605 u32 idx_value; 606 607 ib = p->ib.ptr; 608 track = (struct r100_cs_track *)p->track; 609 idx_value = radeon_get_ib_value(p, idx); 610 611 switch(reg) { 612 case AVIVO_D1MODE_VLINE_START_END: 613 case RADEON_CRTC_GUI_TRIG_VLINE: 614 r = r100_cs_packet_parse_vline(p); 615 if (r) { 616 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 617 idx, reg); 618 radeon_cs_dump_packet(p, pkt); 619 return r; 620 } 621 break; 622 case RADEON_DST_PITCH_OFFSET: 623 case RADEON_SRC_PITCH_OFFSET: 624 r = r100_reloc_pitch_offset(p, pkt, idx, reg); 625 if (r) 626 return r; 627 break; 628 case R300_RB3D_COLOROFFSET0: 629 case R300_RB3D_COLOROFFSET1: 630 case R300_RB3D_COLOROFFSET2: 631 case R300_RB3D_COLOROFFSET3: 632 i = (reg - R300_RB3D_COLOROFFSET0) >> 2; 633 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 634 if (r) { 635 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 636 idx, reg); 637 radeon_cs_dump_packet(p, pkt); 638 return r; 639 } 640 track->cb[i].robj = reloc->robj; 641 track->cb[i].offset = idx_value; 642 track->cb_dirty = true; 643 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset); 644 break; 645 case R300_ZB_DEPTHOFFSET: 646 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 647 if (r) { 648 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 649 idx, reg); 650 radeon_cs_dump_packet(p, pkt); 651 return r; 652 } 653 track->zb.robj = reloc->robj; 654 track->zb.offset = idx_value; 655 track->zb_dirty = true; 656 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset); 657 break; 658 case R300_TX_OFFSET_0: 659 case R300_TX_OFFSET_0+4: 660 case R300_TX_OFFSET_0+8: 661 case R300_TX_OFFSET_0+12: 662 case R300_TX_OFFSET_0+16: 663 case R300_TX_OFFSET_0+20: 664 case R300_TX_OFFSET_0+24: 665 case R300_TX_OFFSET_0+28: 666 case R300_TX_OFFSET_0+32: 667 case R300_TX_OFFSET_0+36: 668 case R300_TX_OFFSET_0+40: 669 case R300_TX_OFFSET_0+44: 670 case R300_TX_OFFSET_0+48: 671 case R300_TX_OFFSET_0+52: 672 case R300_TX_OFFSET_0+56: 673 case R300_TX_OFFSET_0+60: 674 i = (reg - R300_TX_OFFSET_0) >> 2; 675 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 676 if (r) { 677 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 678 idx, reg); 679 radeon_cs_dump_packet(p, pkt); 680 return r; 681 } 682 683 if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) { 684 ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */ 685 ((idx_value & ~31) + (u32)reloc->lobj.gpu_offset); 686 } else { 687 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) 688 tile_flags |= R300_TXO_MACRO_TILE; 689 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) 690 tile_flags |= R300_TXO_MICRO_TILE; 691 else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE) 692 tile_flags |= R300_TXO_MICRO_TILE_SQUARE; 693 694 tmp = idx_value + ((u32)reloc->lobj.gpu_offset); 695 tmp |= tile_flags; 696 ib[idx] = tmp; 697 } 698 track->textures[i].robj = reloc->robj; 699 track->tex_dirty = true; 700 break; 701 /* Tracked registers */ 702 case 0x2084: 703 /* VAP_VF_CNTL */ 704 track->vap_vf_cntl = idx_value; 705 break; 706 case 0x20B4: 707 /* VAP_VTX_SIZE */ 708 track->vtx_size = idx_value & 0x7F; 709 break; 710 case 0x2134: 711 /* VAP_VF_MAX_VTX_INDX */ 712 track->max_indx = idx_value & 0x00FFFFFFUL; 713 break; 714 case 0x2088: 715 /* VAP_ALT_NUM_VERTICES - only valid on r500 */ 716 if (p->rdev->family < CHIP_RV515) 717 goto fail; 718 track->vap_alt_nverts = idx_value & 0xFFFFFF; 719 break; 720 case 0x43E4: 721 /* SC_SCISSOR1 */ 722 track->maxy = ((idx_value >> 13) & 0x1FFF) + 1; 723 if (p->rdev->family < CHIP_RV515) { 724 track->maxy -= 1440; 725 } 726 track->cb_dirty = true; 727 track->zb_dirty = true; 728 break; 729 case 0x4E00: 730 /* RB3D_CCTL */ 731 if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */ 732 p->rdev->cmask_filp != p->filp) { 733 DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n"); 734 return -EINVAL; 735 } 736 track->num_cb = ((idx_value >> 5) & 0x3) + 1; 737 track->cb_dirty = true; 738 break; 739 case 0x4E38: 740 case 0x4E3C: 741 case 0x4E40: 742 case 0x4E44: 743 /* RB3D_COLORPITCH0 */ 744 /* RB3D_COLORPITCH1 */ 745 /* RB3D_COLORPITCH2 */ 746 /* RB3D_COLORPITCH3 */ 747 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) { 748 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 749 if (r) { 750 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 751 idx, reg); 752 radeon_cs_dump_packet(p, pkt); 753 return r; 754 } 755 756 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) 757 tile_flags |= R300_COLOR_TILE_ENABLE; 758 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) 759 tile_flags |= R300_COLOR_MICROTILE_ENABLE; 760 else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE) 761 tile_flags |= R300_COLOR_MICROTILE_SQUARE_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 5: 782 if (p->rdev->family < CHIP_RV515) { 783 DRM_ERROR("Invalid color buffer format (%d)!\n", 784 ((idx_value >> 21) & 0xF)); 785 return -EINVAL; 786 } 787 /* Pass through. */ 788 case 6: 789 track->cb[i].cpp = 4; 790 break; 791 case 10: 792 track->cb[i].cpp = 8; 793 break; 794 case 7: 795 track->cb[i].cpp = 16; 796 break; 797 default: 798 DRM_ERROR("Invalid color buffer format (%d) !\n", 799 ((idx_value >> 21) & 0xF)); 800 return -EINVAL; 801 } 802 track->cb_dirty = true; 803 break; 804 case 0x4F00: 805 /* ZB_CNTL */ 806 if (idx_value & 2) { 807 track->z_enabled = true; 808 } else { 809 track->z_enabled = false; 810 } 811 track->zb_dirty = true; 812 break; 813 case 0x4F10: 814 /* ZB_FORMAT */ 815 switch ((idx_value & 0xF)) { 816 case 0: 817 case 1: 818 track->zb.cpp = 2; 819 break; 820 case 2: 821 track->zb.cpp = 4; 822 break; 823 default: 824 DRM_ERROR("Invalid z buffer format (%d) !\n", 825 (idx_value & 0xF)); 826 return -EINVAL; 827 } 828 track->zb_dirty = true; 829 break; 830 case 0x4F24: 831 /* ZB_DEPTHPITCH */ 832 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) { 833 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 834 if (r) { 835 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 836 idx, reg); 837 radeon_cs_dump_packet(p, pkt); 838 return r; 839 } 840 841 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) 842 tile_flags |= R300_DEPTHMACROTILE_ENABLE; 843 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) 844 tile_flags |= R300_DEPTHMICROTILE_TILED; 845 else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE) 846 tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE; 847 848 tmp = idx_value & ~(0x7 << 16); 849 tmp |= tile_flags; 850 ib[idx] = tmp; 851 } 852 track->zb.pitch = idx_value & 0x3FFC; 853 track->zb_dirty = true; 854 break; 855 case 0x4104: 856 /* TX_ENABLE */ 857 for (i = 0; i < 16; i++) { 858 bool enabled; 859 860 enabled = !!(idx_value & (1 << i)); 861 track->textures[i].enabled = enabled; 862 } 863 track->tex_dirty = true; 864 break; 865 case 0x44C0: 866 case 0x44C4: 867 case 0x44C8: 868 case 0x44CC: 869 case 0x44D0: 870 case 0x44D4: 871 case 0x44D8: 872 case 0x44DC: 873 case 0x44E0: 874 case 0x44E4: 875 case 0x44E8: 876 case 0x44EC: 877 case 0x44F0: 878 case 0x44F4: 879 case 0x44F8: 880 case 0x44FC: 881 /* TX_FORMAT1_[0-15] */ 882 i = (reg - 0x44C0) >> 2; 883 tmp = (idx_value >> 25) & 0x3; 884 track->textures[i].tex_coord_type = tmp; 885 switch ((idx_value & 0x1F)) { 886 case R300_TX_FORMAT_X8: 887 case R300_TX_FORMAT_Y4X4: 888 case R300_TX_FORMAT_Z3Y3X2: 889 track->textures[i].cpp = 1; 890 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 891 break; 892 case R300_TX_FORMAT_X16: 893 case R300_TX_FORMAT_FL_I16: 894 case R300_TX_FORMAT_Y8X8: 895 case R300_TX_FORMAT_Z5Y6X5: 896 case R300_TX_FORMAT_Z6Y5X5: 897 case R300_TX_FORMAT_W4Z4Y4X4: 898 case R300_TX_FORMAT_W1Z5Y5X5: 899 case R300_TX_FORMAT_D3DMFT_CxV8U8: 900 case R300_TX_FORMAT_B8G8_B8G8: 901 case R300_TX_FORMAT_G8R8_G8B8: 902 track->textures[i].cpp = 2; 903 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 904 break; 905 case R300_TX_FORMAT_Y16X16: 906 case R300_TX_FORMAT_FL_I16A16: 907 case R300_TX_FORMAT_Z11Y11X10: 908 case R300_TX_FORMAT_Z10Y11X11: 909 case R300_TX_FORMAT_W8Z8Y8X8: 910 case R300_TX_FORMAT_W2Z10Y10X10: 911 case 0x17: 912 case R300_TX_FORMAT_FL_I32: 913 case 0x1e: 914 track->textures[i].cpp = 4; 915 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 916 break; 917 case R300_TX_FORMAT_W16Z16Y16X16: 918 case R300_TX_FORMAT_FL_R16G16B16A16: 919 case R300_TX_FORMAT_FL_I32A32: 920 track->textures[i].cpp = 8; 921 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 922 break; 923 case R300_TX_FORMAT_FL_R32G32B32A32: 924 track->textures[i].cpp = 16; 925 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 926 break; 927 case R300_TX_FORMAT_DXT1: 928 track->textures[i].cpp = 1; 929 track->textures[i].compress_format = R100_TRACK_COMP_DXT1; 930 break; 931 case R300_TX_FORMAT_ATI2N: 932 if (p->rdev->family < CHIP_R420) { 933 DRM_ERROR("Invalid texture format %u\n", 934 (idx_value & 0x1F)); 935 return -EINVAL; 936 } 937 /* The same rules apply as for DXT3/5. */ 938 /* Pass through. */ 939 case R300_TX_FORMAT_DXT3: 940 case R300_TX_FORMAT_DXT5: 941 track->textures[i].cpp = 1; 942 track->textures[i].compress_format = R100_TRACK_COMP_DXT35; 943 break; 944 default: 945 DRM_ERROR("Invalid texture format %u\n", 946 (idx_value & 0x1F)); 947 return -EINVAL; 948 } 949 track->tex_dirty = true; 950 break; 951 case 0x4400: 952 case 0x4404: 953 case 0x4408: 954 case 0x440C: 955 case 0x4410: 956 case 0x4414: 957 case 0x4418: 958 case 0x441C: 959 case 0x4420: 960 case 0x4424: 961 case 0x4428: 962 case 0x442C: 963 case 0x4430: 964 case 0x4434: 965 case 0x4438: 966 case 0x443C: 967 /* TX_FILTER0_[0-15] */ 968 i = (reg - 0x4400) >> 2; 969 tmp = idx_value & 0x7; 970 if (tmp == 2 || tmp == 4 || tmp == 6) { 971 track->textures[i].roundup_w = false; 972 } 973 tmp = (idx_value >> 3) & 0x7; 974 if (tmp == 2 || tmp == 4 || tmp == 6) { 975 track->textures[i].roundup_h = false; 976 } 977 track->tex_dirty = true; 978 break; 979 case 0x4500: 980 case 0x4504: 981 case 0x4508: 982 case 0x450C: 983 case 0x4510: 984 case 0x4514: 985 case 0x4518: 986 case 0x451C: 987 case 0x4520: 988 case 0x4524: 989 case 0x4528: 990 case 0x452C: 991 case 0x4530: 992 case 0x4534: 993 case 0x4538: 994 case 0x453C: 995 /* TX_FORMAT2_[0-15] */ 996 i = (reg - 0x4500) >> 2; 997 tmp = idx_value & 0x3FFF; 998 track->textures[i].pitch = tmp + 1; 999 if (p->rdev->family >= CHIP_RV515) { 1000 tmp = ((idx_value >> 15) & 1) << 11; 1001 track->textures[i].width_11 = tmp; 1002 tmp = ((idx_value >> 16) & 1) << 11; 1003 track->textures[i].height_11 = tmp; 1004 1005 /* ATI1N */ 1006 if (idx_value & (1 << 14)) { 1007 /* The same rules apply as for DXT1. */ 1008 track->textures[i].compress_format = 1009 R100_TRACK_COMP_DXT1; 1010 } 1011 } else if (idx_value & (1 << 14)) { 1012 DRM_ERROR("Forbidden bit TXFORMAT_MSB\n"); 1013 return -EINVAL; 1014 } 1015 track->tex_dirty = true; 1016 break; 1017 case 0x4480: 1018 case 0x4484: 1019 case 0x4488: 1020 case 0x448C: 1021 case 0x4490: 1022 case 0x4494: 1023 case 0x4498: 1024 case 0x449C: 1025 case 0x44A0: 1026 case 0x44A4: 1027 case 0x44A8: 1028 case 0x44AC: 1029 case 0x44B0: 1030 case 0x44B4: 1031 case 0x44B8: 1032 case 0x44BC: 1033 /* TX_FORMAT0_[0-15] */ 1034 i = (reg - 0x4480) >> 2; 1035 tmp = idx_value & 0x7FF; 1036 track->textures[i].width = tmp + 1; 1037 tmp = (idx_value >> 11) & 0x7FF; 1038 track->textures[i].height = tmp + 1; 1039 tmp = (idx_value >> 26) & 0xF; 1040 track->textures[i].num_levels = tmp; 1041 tmp = idx_value & (1 << 31); 1042 track->textures[i].use_pitch = !!tmp; 1043 tmp = (idx_value >> 22) & 0xF; 1044 track->textures[i].txdepth = tmp; 1045 track->tex_dirty = true; 1046 break; 1047 case R300_ZB_ZPASS_ADDR: 1048 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1049 if (r) { 1050 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1051 idx, reg); 1052 radeon_cs_dump_packet(p, pkt); 1053 return r; 1054 } 1055 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset); 1056 break; 1057 case 0x4e0c: 1058 /* RB3D_COLOR_CHANNEL_MASK */ 1059 track->color_channel_mask = idx_value; 1060 track->cb_dirty = true; 1061 break; 1062 case 0x43a4: 1063 /* SC_HYPERZ_EN */ 1064 /* r300c emits this register - we need to disable hyperz for it 1065 * without complaining */ 1066 if (p->rdev->hyperz_filp != p->filp) { 1067 if (idx_value & 0x1) 1068 ib[idx] = idx_value & ~1; 1069 } 1070 break; 1071 case 0x4f1c: 1072 /* ZB_BW_CNTL */ 1073 track->zb_cb_clear = !!(idx_value & (1 << 5)); 1074 track->cb_dirty = true; 1075 track->zb_dirty = true; 1076 if (p->rdev->hyperz_filp != p->filp) { 1077 if (idx_value & (R300_HIZ_ENABLE | 1078 R300_RD_COMP_ENABLE | 1079 R300_WR_COMP_ENABLE | 1080 R300_FAST_FILL_ENABLE)) 1081 goto fail; 1082 } 1083 break; 1084 case 0x4e04: 1085 /* RB3D_BLENDCNTL */ 1086 track->blend_read_enable = !!(idx_value & (1 << 2)); 1087 track->cb_dirty = true; 1088 break; 1089 case R300_RB3D_AARESOLVE_OFFSET: 1090 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1091 if (r) { 1092 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1093 idx, reg); 1094 radeon_cs_dump_packet(p, pkt); 1095 return r; 1096 } 1097 track->aa.robj = reloc->robj; 1098 track->aa.offset = idx_value; 1099 track->aa_dirty = true; 1100 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset); 1101 break; 1102 case R300_RB3D_AARESOLVE_PITCH: 1103 track->aa.pitch = idx_value & 0x3FFE; 1104 track->aa_dirty = true; 1105 break; 1106 case R300_RB3D_AARESOLVE_CTL: 1107 track->aaresolve = idx_value & 0x1; 1108 track->aa_dirty = true; 1109 break; 1110 case 0x4f30: /* ZB_MASK_OFFSET */ 1111 case 0x4f34: /* ZB_ZMASK_PITCH */ 1112 case 0x4f44: /* ZB_HIZ_OFFSET */ 1113 case 0x4f54: /* ZB_HIZ_PITCH */ 1114 if (idx_value && (p->rdev->hyperz_filp != p->filp)) 1115 goto fail; 1116 break; 1117 case 0x4028: 1118 if (idx_value && (p->rdev->hyperz_filp != p->filp)) 1119 goto fail; 1120 /* GB_Z_PEQ_CONFIG */ 1121 if (p->rdev->family >= CHIP_RV350) 1122 break; 1123 goto fail; 1124 break; 1125 case 0x4be8: 1126 /* valid register only on RV530 */ 1127 if (p->rdev->family == CHIP_RV530) 1128 break; 1129 /* fallthrough do not move */ 1130 default: 1131 goto fail; 1132 } 1133 return 0; 1134 fail: 1135 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d (val=%08x)\n", 1136 reg, idx, idx_value); 1137 return -EINVAL; 1138 } 1139 1140 static int r300_packet3_check(struct radeon_cs_parser *p, 1141 struct radeon_cs_packet *pkt) 1142 { 1143 struct radeon_cs_reloc *reloc; 1144 struct r100_cs_track *track; 1145 volatile uint32_t *ib; 1146 unsigned idx; 1147 int r; 1148 1149 ib = p->ib.ptr; 1150 idx = pkt->idx + 1; 1151 track = (struct r100_cs_track *)p->track; 1152 switch(pkt->opcode) { 1153 case PACKET3_3D_LOAD_VBPNTR: 1154 r = r100_packet3_load_vbpntr(p, pkt, idx); 1155 if (r) 1156 return r; 1157 break; 1158 case PACKET3_INDX_BUFFER: 1159 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1160 if (r) { 1161 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode); 1162 radeon_cs_dump_packet(p, pkt); 1163 return r; 1164 } 1165 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->lobj.gpu_offset); 1166 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj); 1167 if (r) { 1168 return r; 1169 } 1170 break; 1171 /* Draw packet */ 1172 case PACKET3_3D_DRAW_IMMD: 1173 /* Number of dwords is vtx_size * (num_vertices - 1) 1174 * PRIM_WALK must be equal to 3 vertex data in embedded 1175 * in cmd stream */ 1176 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) { 1177 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n"); 1178 return -EINVAL; 1179 } 1180 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1); 1181 track->immd_dwords = pkt->count - 1; 1182 r = r100_cs_track_check(p->rdev, track); 1183 if (r) { 1184 return r; 1185 } 1186 break; 1187 case PACKET3_3D_DRAW_IMMD_2: 1188 /* Number of dwords is vtx_size * (num_vertices - 1) 1189 * PRIM_WALK must be equal to 3 vertex data in embedded 1190 * in cmd stream */ 1191 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) { 1192 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n"); 1193 return -EINVAL; 1194 } 1195 track->vap_vf_cntl = radeon_get_ib_value(p, idx); 1196 track->immd_dwords = pkt->count; 1197 r = r100_cs_track_check(p->rdev, track); 1198 if (r) { 1199 return r; 1200 } 1201 break; 1202 case PACKET3_3D_DRAW_VBUF: 1203 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1); 1204 r = r100_cs_track_check(p->rdev, track); 1205 if (r) { 1206 return r; 1207 } 1208 break; 1209 case PACKET3_3D_DRAW_VBUF_2: 1210 track->vap_vf_cntl = radeon_get_ib_value(p, idx); 1211 r = r100_cs_track_check(p->rdev, track); 1212 if (r) { 1213 return r; 1214 } 1215 break; 1216 case PACKET3_3D_DRAW_INDX: 1217 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1); 1218 r = r100_cs_track_check(p->rdev, track); 1219 if (r) { 1220 return r; 1221 } 1222 break; 1223 case PACKET3_3D_DRAW_INDX_2: 1224 track->vap_vf_cntl = radeon_get_ib_value(p, idx); 1225 r = r100_cs_track_check(p->rdev, track); 1226 if (r) { 1227 return r; 1228 } 1229 break; 1230 case PACKET3_3D_CLEAR_HIZ: 1231 case PACKET3_3D_CLEAR_ZMASK: 1232 if (p->rdev->hyperz_filp != p->filp) 1233 return -EINVAL; 1234 break; 1235 case PACKET3_3D_CLEAR_CMASK: 1236 if (p->rdev->cmask_filp != p->filp) 1237 return -EINVAL; 1238 break; 1239 case PACKET3_NOP: 1240 break; 1241 default: 1242 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode); 1243 return -EINVAL; 1244 } 1245 return 0; 1246 } 1247 1248 int r300_cs_parse(struct radeon_cs_parser *p) 1249 { 1250 struct radeon_cs_packet pkt; 1251 struct r100_cs_track *track; 1252 int r; 1253 1254 track = kzalloc(sizeof(*track), GFP_KERNEL); 1255 if (track == NULL) 1256 return -ENOMEM; 1257 r100_cs_track_clear(p->rdev, track); 1258 p->track = track; 1259 do { 1260 r = radeon_cs_packet_parse(p, &pkt, p->idx); 1261 if (r) { 1262 return r; 1263 } 1264 p->idx += pkt.count + 2; 1265 switch (pkt.type) { 1266 case RADEON_PACKET_TYPE0: 1267 r = r100_cs_parse_packet0(p, &pkt, 1268 p->rdev->config.r300.reg_safe_bm, 1269 p->rdev->config.r300.reg_safe_bm_size, 1270 &r300_packet0_check); 1271 break; 1272 case RADEON_PACKET_TYPE2: 1273 break; 1274 case RADEON_PACKET_TYPE3: 1275 r = r300_packet3_check(p, &pkt); 1276 break; 1277 default: 1278 DRM_ERROR("Unknown packet type %d !\n", pkt.type); 1279 return -EINVAL; 1280 } 1281 if (r) { 1282 return r; 1283 } 1284 } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw); 1285 return 0; 1286 } 1287 1288 void r300_set_reg_safe(struct radeon_device *rdev) 1289 { 1290 rdev->config.r300.reg_safe_bm = r300_reg_safe_bm; 1291 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm); 1292 } 1293 1294 void r300_mc_program(struct radeon_device *rdev) 1295 { 1296 struct r100_mc_save save; 1297 int r; 1298 1299 r = r100_debugfs_mc_info_init(rdev); 1300 if (r) { 1301 dev_err(rdev->dev, "Failed to create r100_mc debugfs file.\n"); 1302 } 1303 1304 /* Stops all mc clients */ 1305 r100_mc_stop(rdev, &save); 1306 if (rdev->flags & RADEON_IS_AGP) { 1307 WREG32(R_00014C_MC_AGP_LOCATION, 1308 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) | 1309 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16)); 1310 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base)); 1311 WREG32(R_00015C_AGP_BASE_2, 1312 upper_32_bits(rdev->mc.agp_base) & 0xff); 1313 } else { 1314 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF); 1315 WREG32(R_000170_AGP_BASE, 0); 1316 WREG32(R_00015C_AGP_BASE_2, 0); 1317 } 1318 /* Wait for mc idle */ 1319 if (r300_mc_wait_for_idle(rdev)) 1320 DRM_INFO("Failed to wait MC idle before programming MC.\n"); 1321 /* Program MC, should be a 32bits limited address space */ 1322 WREG32(R_000148_MC_FB_LOCATION, 1323 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) | 1324 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16)); 1325 r100_mc_resume(rdev, &save); 1326 } 1327 1328 void r300_clock_startup(struct radeon_device *rdev) 1329 { 1330 u32 tmp; 1331 1332 if (radeon_dynclks != -1 && radeon_dynclks) 1333 radeon_legacy_set_clock_gating(rdev, 1); 1334 /* We need to force on some of the block */ 1335 tmp = RREG32_PLL(R_00000D_SCLK_CNTL); 1336 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1); 1337 if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380)) 1338 tmp |= S_00000D_FORCE_VAP(1); 1339 WREG32_PLL(R_00000D_SCLK_CNTL, tmp); 1340 } 1341 1342 static int r300_startup(struct radeon_device *rdev) 1343 { 1344 int r; 1345 1346 /* set common regs */ 1347 r100_set_common_regs(rdev); 1348 /* program mc */ 1349 r300_mc_program(rdev); 1350 /* Resume clock */ 1351 r300_clock_startup(rdev); 1352 /* Initialize GPU configuration (# pipes, ...) */ 1353 r300_gpu_init(rdev); 1354 /* Initialize GART (initialize after TTM so we can allocate 1355 * memory through TTM but finalize after TTM) */ 1356 if (rdev->flags & RADEON_IS_PCIE) { 1357 r = rv370_pcie_gart_enable(rdev); 1358 if (r) 1359 return r; 1360 } 1361 1362 if (rdev->family == CHIP_R300 || 1363 rdev->family == CHIP_R350 || 1364 rdev->family == CHIP_RV350) 1365 r100_enable_bm(rdev); 1366 1367 if (rdev->flags & RADEON_IS_PCI) { 1368 r = r100_pci_gart_enable(rdev); 1369 if (r) 1370 return r; 1371 } 1372 1373 /* allocate wb buffer */ 1374 r = radeon_wb_init(rdev); 1375 if (r) 1376 return r; 1377 1378 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 1379 if (r) { 1380 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 1381 return r; 1382 } 1383 1384 /* Enable IRQ */ 1385 if (!rdev->irq.installed) { 1386 r = radeon_irq_kms_init(rdev); 1387 if (r) 1388 return r; 1389 } 1390 1391 r100_irq_set(rdev); 1392 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL); 1393 /* 1M ring buffer */ 1394 r = r100_cp_init(rdev, 1024 * 1024); 1395 if (r) { 1396 dev_err(rdev->dev, "failed initializing CP (%d).\n", r); 1397 return r; 1398 } 1399 1400 r = radeon_ib_pool_init(rdev); 1401 if (r) { 1402 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 1403 return r; 1404 } 1405 1406 return 0; 1407 } 1408 1409 int r300_resume(struct radeon_device *rdev) 1410 { 1411 int r; 1412 1413 /* Make sur GART are not working */ 1414 if (rdev->flags & RADEON_IS_PCIE) 1415 rv370_pcie_gart_disable(rdev); 1416 if (rdev->flags & RADEON_IS_PCI) 1417 r100_pci_gart_disable(rdev); 1418 /* Resume clock before doing reset */ 1419 r300_clock_startup(rdev); 1420 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 1421 if (radeon_asic_reset(rdev)) { 1422 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 1423 RREG32(R_000E40_RBBM_STATUS), 1424 RREG32(R_0007C0_CP_STAT)); 1425 } 1426 /* post */ 1427 radeon_combios_asic_init(rdev->ddev); 1428 /* Resume clock after posting */ 1429 r300_clock_startup(rdev); 1430 /* Initialize surface registers */ 1431 radeon_surface_init(rdev); 1432 1433 rdev->accel_working = true; 1434 r = r300_startup(rdev); 1435 if (r) { 1436 rdev->accel_working = false; 1437 } 1438 return r; 1439 } 1440 1441 int r300_suspend(struct radeon_device *rdev) 1442 { 1443 r100_cp_disable(rdev); 1444 radeon_wb_disable(rdev); 1445 r100_irq_disable(rdev); 1446 if (rdev->flags & RADEON_IS_PCIE) 1447 rv370_pcie_gart_disable(rdev); 1448 if (rdev->flags & RADEON_IS_PCI) 1449 r100_pci_gart_disable(rdev); 1450 return 0; 1451 } 1452 1453 void r300_fini(struct radeon_device *rdev) 1454 { 1455 r100_cp_fini(rdev); 1456 radeon_wb_fini(rdev); 1457 radeon_ib_pool_fini(rdev); 1458 radeon_gem_fini(rdev); 1459 if (rdev->flags & RADEON_IS_PCIE) 1460 rv370_pcie_gart_fini(rdev); 1461 if (rdev->flags & RADEON_IS_PCI) 1462 r100_pci_gart_fini(rdev); 1463 radeon_agp_fini(rdev); 1464 radeon_irq_kms_fini(rdev); 1465 radeon_fence_driver_fini(rdev); 1466 radeon_bo_fini(rdev); 1467 radeon_atombios_fini(rdev); 1468 kfree(rdev->bios); 1469 rdev->bios = NULL; 1470 } 1471 1472 int r300_init(struct radeon_device *rdev) 1473 { 1474 int r; 1475 1476 /* Disable VGA */ 1477 r100_vga_render_disable(rdev); 1478 /* Initialize scratch registers */ 1479 radeon_scratch_init(rdev); 1480 /* Initialize surface registers */ 1481 radeon_surface_init(rdev); 1482 /* TODO: disable VGA need to use VGA request */ 1483 /* restore some register to sane defaults */ 1484 r100_restore_sanity(rdev); 1485 /* BIOS*/ 1486 if (!radeon_get_bios(rdev)) { 1487 if (ASIC_IS_AVIVO(rdev)) 1488 return -EINVAL; 1489 } 1490 if (rdev->is_atom_bios) { 1491 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n"); 1492 return -EINVAL; 1493 } else { 1494 r = radeon_combios_init(rdev); 1495 if (r) 1496 return r; 1497 } 1498 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 1499 if (radeon_asic_reset(rdev)) { 1500 dev_warn(rdev->dev, 1501 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 1502 RREG32(R_000E40_RBBM_STATUS), 1503 RREG32(R_0007C0_CP_STAT)); 1504 } 1505 /* check if cards are posted or not */ 1506 if (radeon_boot_test_post_card(rdev) == false) 1507 return -EINVAL; 1508 /* Set asic errata */ 1509 r300_errata(rdev); 1510 /* Initialize clocks */ 1511 radeon_get_clock_info(rdev->ddev); 1512 /* initialize AGP */ 1513 if (rdev->flags & RADEON_IS_AGP) { 1514 r = radeon_agp_init(rdev); 1515 if (r) { 1516 radeon_agp_disable(rdev); 1517 } 1518 } 1519 /* initialize memory controller */ 1520 r300_mc_init(rdev); 1521 /* Fence driver */ 1522 r = radeon_fence_driver_init(rdev); 1523 if (r) 1524 return r; 1525 /* Memory manager */ 1526 r = radeon_bo_init(rdev); 1527 if (r) 1528 return r; 1529 if (rdev->flags & RADEON_IS_PCIE) { 1530 r = rv370_pcie_gart_init(rdev); 1531 if (r) 1532 return r; 1533 } 1534 if (rdev->flags & RADEON_IS_PCI) { 1535 r = r100_pci_gart_init(rdev); 1536 if (r) 1537 return r; 1538 } 1539 r300_set_reg_safe(rdev); 1540 1541 rdev->accel_working = true; 1542 r = r300_startup(rdev); 1543 if (r) { 1544 /* Something went wrong with the accel init, so stop accel */ 1545 dev_err(rdev->dev, "Disabling GPU acceleration\n"); 1546 r100_cp_fini(rdev); 1547 radeon_wb_fini(rdev); 1548 radeon_ib_pool_fini(rdev); 1549 radeon_irq_kms_fini(rdev); 1550 if (rdev->flags & RADEON_IS_PCIE) 1551 rv370_pcie_gart_fini(rdev); 1552 if (rdev->flags & RADEON_IS_PCI) 1553 r100_pci_gart_fini(rdev); 1554 radeon_agp_fini(rdev); 1555 rdev->accel_working = false; 1556 } 1557 return 0; 1558 } 1559