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/pci.h> 30#include <linux/seq_file.h> 31#include <linux/slab.h> 32 33#include <drm/drm.h> 34#include <drm/drm_crtc_helper.h> 35#include <drm/drm_debugfs.h> 36#include <drm/drm_device.h> 37#include <drm/drm_file.h> 38#include <drm/radeon_drm.h> 39 40#include "r100_track.h" 41#include "r300_reg_safe.h" 42#include "r300d.h" 43#include "radeon.h" 44#include "radeon_asic.h" 45#include "radeon_reg.h" 46#include "rv350d.h" 47 48/* This files gather functions specifics to: r300,r350,rv350,rv370,rv380 49 * 50 * GPU Errata: 51 * - HOST_PATH_CNTL: r300 family seems to dislike write to HOST_PATH_CNTL 52 * using MMIO to flush host path read cache, this lead to HARDLOCKUP. 53 * However, scheduling such write to the ring seems harmless, i suspect 54 * the CP read collide with the flush somehow, or maybe the MC, hard to 55 * tell. (Jerome Glisse) 56 */ 57 58/* 59 * Indirect registers accessor 60 */ 61uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg) 62{ 63 unsigned long flags; 64 uint32_t r; 65 66 spin_lock_irqsave(&rdev->pcie_idx_lock, flags); 67 WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask)); 68 r = RREG32(RADEON_PCIE_DATA); 69 spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags); 70 return r; 71} 72 73void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) 74{ 75 unsigned long flags; 76 77 spin_lock_irqsave(&rdev->pcie_idx_lock, flags); 78 WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask)); 79 WREG32(RADEON_PCIE_DATA, (v)); 80 spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags); 81} 82 83/* 84 * rv370,rv380 PCIE GART 85 */ 86static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev); 87 88void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev) 89{ 90 uint32_t tmp; 91 int i; 92 93 /* Workaround HW bug do flush 2 times */ 94 for (i = 0; i < 2; i++) { 95 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL); 96 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB); 97 (void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL); 98 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp); 99 } 100 mb(); 101} 102 103#define R300_PTE_UNSNOOPED (1 << 0) 104#define R300_PTE_WRITEABLE (1 << 2) 105#define R300_PTE_READABLE (1 << 3) 106 107uint64_t rv370_pcie_gart_get_page_entry(uint64_t addr, uint32_t flags) 108{ 109 addr = (lower_32_bits(addr) >> 8) | 110 ((upper_32_bits(addr) & 0xff) << 24); 111 if (flags & RADEON_GART_PAGE_READ) 112 addr |= R300_PTE_READABLE; 113 if (flags & RADEON_GART_PAGE_WRITE) 114 addr |= R300_PTE_WRITEABLE; 115 if (!(flags & RADEON_GART_PAGE_SNOOP)) 116 addr |= R300_PTE_UNSNOOPED; 117 return addr; 118} 119 120void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i, 121 uint64_t entry) 122{ 123 void __iomem *ptr = rdev->gart.ptr; 124 125 /* on x86 we want this to be CPU endian, on powerpc 126 * on powerpc without HW swappers, it'll get swapped on way 127 * into VRAM - so no need for cpu_to_le32 on VRAM tables */ 128 writel(entry, ((void __iomem *)ptr) + (i * 4)); 129} 130 131int rv370_pcie_gart_init(struct radeon_device *rdev) 132{ 133 int r; 134 135 if (rdev->gart.robj) { 136 WARN(1, "RV370 PCIE GART already initialized\n"); 137 return 0; 138 } 139 /* Initialize common gart structure */ 140 r = radeon_gart_init(rdev); 141 if (r) 142 return r; 143 r = rv370_debugfs_pcie_gart_info_init(rdev); 144 if (r) 145 DRM_ERROR("Failed to register debugfs file for PCIE gart !\n"); 146 rdev->gart.table_size = rdev->gart.num_gpu_pages * 4; 147 rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush; 148 rdev->asic->gart.get_page_entry = &rv370_pcie_gart_get_page_entry; 149 rdev->asic->gart.set_page = &rv370_pcie_gart_set_page; 150 return radeon_gart_table_vram_alloc(rdev); 151} 152 153int rv370_pcie_gart_enable(struct radeon_device *rdev) 154{ 155 uint32_t table_addr; 156 uint32_t tmp; 157 int r; 158 159 if (rdev->gart.robj == NULL) { 160 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); 161 return -EINVAL; 162 } 163 r = radeon_gart_table_vram_pin(rdev); 164 if (r) 165 return r; 166 /* discard memory request outside of configured range */ 167 tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD; 168 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp); 169 WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start); 170 tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK; 171 WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp); 172 WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0); 173 WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0); 174 table_addr = rdev->gart.table_addr; 175 WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr); 176 /* FIXME: setup default page */ 177 WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start); 178 WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0); 179 /* Clear error */ 180 WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0); 181 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL); 182 tmp |= RADEON_PCIE_TX_GART_EN; 183 tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD; 184 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp); 185 rv370_pcie_gart_tlb_flush(rdev); 186 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 187 (unsigned)(rdev->mc.gtt_size >> 20), 188 (unsigned long long)table_addr); 189 rdev->gart.ready = true; 190 return 0; 191} 192 193void rv370_pcie_gart_disable(struct radeon_device *rdev) 194{ 195 u32 tmp; 196 197 WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0); 198 WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0); 199 WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0); 200 WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0); 201 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL); 202 tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD; 203 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN); 204 radeon_gart_table_vram_unpin(rdev); 205} 206 207void rv370_pcie_gart_fini(struct radeon_device *rdev) 208{ 209 radeon_gart_fini(rdev); 210 rv370_pcie_gart_disable(rdev); 211 radeon_gart_table_vram_free(rdev); 212} 213 214void r300_fence_ring_emit(struct radeon_device *rdev, 215 struct radeon_fence *fence) 216{ 217 struct radeon_ring *ring = &rdev->ring[fence->ring]; 218 219 /* Who ever call radeon_fence_emit should call ring_lock and ask 220 * for enough space (today caller are ib schedule and buffer move) */ 221 /* Write SC register so SC & US assert idle */ 222 radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_TL, 0)); 223 radeon_ring_write(ring, 0); 224 radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0)); 225 radeon_ring_write(ring, 0); 226 /* Flush 3D cache */ 227 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); 228 radeon_ring_write(ring, R300_RB3D_DC_FLUSH); 229 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0)); 230 radeon_ring_write(ring, R300_ZC_FLUSH); 231 /* Wait until IDLE & CLEAN */ 232 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0)); 233 radeon_ring_write(ring, (RADEON_WAIT_3D_IDLECLEAN | 234 RADEON_WAIT_2D_IDLECLEAN | 235 RADEON_WAIT_DMA_GUI_IDLE)); 236 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0)); 237 radeon_ring_write(ring, rdev->config.r300.hdp_cntl | 238 RADEON_HDP_READ_BUFFER_INVALIDATE); 239 radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0)); 240 radeon_ring_write(ring, rdev->config.r300.hdp_cntl); 241 /* Emit fence sequence & fire IRQ */ 242 radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0)); 243 radeon_ring_write(ring, fence->seq); 244 radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0)); 245 radeon_ring_write(ring, RADEON_SW_INT_FIRE); 246} 247 248void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring) 249{ 250 unsigned gb_tile_config; 251 int r; 252 253 /* Sub pixel 1/12 so we can have 4K rendering according to doc */ 254 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16); 255 switch(rdev->num_gb_pipes) { 256 case 2: 257 gb_tile_config |= R300_PIPE_COUNT_R300; 258 break; 259 case 3: 260 gb_tile_config |= R300_PIPE_COUNT_R420_3P; 261 break; 262 case 4: 263 gb_tile_config |= R300_PIPE_COUNT_R420; 264 break; 265 case 1: 266 default: 267 gb_tile_config |= R300_PIPE_COUNT_RV350; 268 break; 269 } 270 271 r = radeon_ring_lock(rdev, ring, 64); 272 if (r) { 273 return; 274 } 275 radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0)); 276 radeon_ring_write(ring, 277 RADEON_ISYNC_ANY2D_IDLE3D | 278 RADEON_ISYNC_ANY3D_IDLE2D | 279 RADEON_ISYNC_WAIT_IDLEGUI | 280 RADEON_ISYNC_CPSCRATCH_IDLEGUI); 281 radeon_ring_write(ring, PACKET0(R300_GB_TILE_CONFIG, 0)); 282 radeon_ring_write(ring, gb_tile_config); 283 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0)); 284 radeon_ring_write(ring, 285 RADEON_WAIT_2D_IDLECLEAN | 286 RADEON_WAIT_3D_IDLECLEAN); 287 radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0)); 288 radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG); 289 radeon_ring_write(ring, PACKET0(R300_GB_SELECT, 0)); 290 radeon_ring_write(ring, 0); 291 radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0)); 292 radeon_ring_write(ring, 0); 293 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); 294 radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE); 295 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0)); 296 radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE); 297 radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0)); 298 radeon_ring_write(ring, 299 RADEON_WAIT_2D_IDLECLEAN | 300 RADEON_WAIT_3D_IDLECLEAN); 301 radeon_ring_write(ring, PACKET0(R300_GB_AA_CONFIG, 0)); 302 radeon_ring_write(ring, 0); 303 radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); 304 radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE); 305 radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0)); 306 radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE); 307 radeon_ring_write(ring, PACKET0(R300_GB_MSPOS0, 0)); 308 radeon_ring_write(ring, 309 ((6 << R300_MS_X0_SHIFT) | 310 (6 << R300_MS_Y0_SHIFT) | 311 (6 << R300_MS_X1_SHIFT) | 312 (6 << R300_MS_Y1_SHIFT) | 313 (6 << R300_MS_X2_SHIFT) | 314 (6 << R300_MS_Y2_SHIFT) | 315 (6 << R300_MSBD0_Y_SHIFT) | 316 (6 << R300_MSBD0_X_SHIFT))); 317 radeon_ring_write(ring, PACKET0(R300_GB_MSPOS1, 0)); 318 radeon_ring_write(ring, 319 ((6 << R300_MS_X3_SHIFT) | 320 (6 << R300_MS_Y3_SHIFT) | 321 (6 << R300_MS_X4_SHIFT) | 322 (6 << R300_MS_Y4_SHIFT) | 323 (6 << R300_MS_X5_SHIFT) | 324 (6 << R300_MS_Y5_SHIFT) | 325 (6 << R300_MSBD1_SHIFT))); 326 radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0)); 327 radeon_ring_write(ring, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL); 328 radeon_ring_write(ring, PACKET0(R300_GA_POLY_MODE, 0)); 329 radeon_ring_write(ring, 330 R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE); 331 radeon_ring_write(ring, PACKET0(R300_GA_ROUND_MODE, 0)); 332 radeon_ring_write(ring, 333 R300_GEOMETRY_ROUND_NEAREST | 334 R300_COLOR_ROUND_NEAREST); 335 radeon_ring_unlock_commit(rdev, ring, false); 336} 337 338static void r300_errata(struct radeon_device *rdev) 339{ 340 rdev->pll_errata = 0; 341 342 if (rdev->family == CHIP_R300 && 343 (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) { 344 rdev->pll_errata |= CHIP_ERRATA_R300_CG; 345 } 346} 347 348int r300_mc_wait_for_idle(struct radeon_device *rdev) 349{ 350 unsigned i; 351 uint32_t tmp; 352 353 for (i = 0; i < rdev->usec_timeout; i++) { 354 /* read MC_STATUS */ 355 tmp = RREG32(RADEON_MC_STATUS); 356 if (tmp & R300_MC_IDLE) { 357 return 0; 358 } 359 udelay(1); 360 } 361 return -1; 362} 363 364static void r300_gpu_init(struct radeon_device *rdev) 365{ 366 uint32_t gb_tile_config, tmp; 367 368 if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) || 369 (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) { 370 /* r300,r350 */ 371 rdev->num_gb_pipes = 2; 372 } else { 373 /* rv350,rv370,rv380,r300 AD, r350 AH */ 374 rdev->num_gb_pipes = 1; 375 } 376 rdev->num_z_pipes = 1; 377 gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16); 378 switch (rdev->num_gb_pipes) { 379 case 2: 380 gb_tile_config |= R300_PIPE_COUNT_R300; 381 break; 382 case 3: 383 gb_tile_config |= R300_PIPE_COUNT_R420_3P; 384 break; 385 case 4: 386 gb_tile_config |= R300_PIPE_COUNT_R420; 387 break; 388 default: 389 case 1: 390 gb_tile_config |= R300_PIPE_COUNT_RV350; 391 break; 392 } 393 WREG32(R300_GB_TILE_CONFIG, gb_tile_config); 394 395 if (r100_gui_wait_for_idle(rdev)) { 396 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n"); 397 } 398 399 tmp = RREG32(R300_DST_PIPE_CONFIG); 400 WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG); 401 402 WREG32(R300_RB2D_DSTCACHE_MODE, 403 R300_DC_AUTOFLUSH_ENABLE | 404 R300_DC_DC_DISABLE_IGNORE_PE); 405 406 if (r100_gui_wait_for_idle(rdev)) { 407 pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n"); 408 } 409 if (r300_mc_wait_for_idle(rdev)) { 410 pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n"); 411 } 412 DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized\n", 413 rdev->num_gb_pipes, rdev->num_z_pipes); 414} 415 416int r300_asic_reset(struct radeon_device *rdev, bool hard) 417{ 418 struct r100_mc_save save; 419 u32 status, tmp; 420 int ret = 0; 421 422 status = RREG32(R_000E40_RBBM_STATUS); 423 if (!G_000E40_GUI_ACTIVE(status)) { 424 return 0; 425 } 426 r100_mc_stop(rdev, &save); 427 status = RREG32(R_000E40_RBBM_STATUS); 428 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 429 /* stop CP */ 430 WREG32(RADEON_CP_CSQ_CNTL, 0); 431 tmp = RREG32(RADEON_CP_RB_CNTL); 432 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA); 433 WREG32(RADEON_CP_RB_RPTR_WR, 0); 434 WREG32(RADEON_CP_RB_WPTR, 0); 435 WREG32(RADEON_CP_RB_CNTL, tmp); 436 /* save PCI state */ 437 pci_save_state(rdev->pdev); 438 /* disable bus mastering */ 439 r100_bm_disable(rdev); 440 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) | 441 S_0000F0_SOFT_RESET_GA(1)); 442 RREG32(R_0000F0_RBBM_SOFT_RESET); 443 mdelay(500); 444 WREG32(R_0000F0_RBBM_SOFT_RESET, 0); 445 mdelay(1); 446 status = RREG32(R_000E40_RBBM_STATUS); 447 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 448 /* resetting the CP seems to be problematic sometimes it end up 449 * hard locking the computer, but it's necessary for successful 450 * reset more test & playing is needed on R3XX/R4XX to find a 451 * reliable (if any solution) 452 */ 453 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1)); 454 RREG32(R_0000F0_RBBM_SOFT_RESET); 455 mdelay(500); 456 WREG32(R_0000F0_RBBM_SOFT_RESET, 0); 457 mdelay(1); 458 status = RREG32(R_000E40_RBBM_STATUS); 459 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 460 /* restore PCI & busmastering */ 461 pci_restore_state(rdev->pdev); 462 r100_enable_bm(rdev); 463 /* Check if GPU is idle */ 464 if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) { 465 dev_err(rdev->dev, "failed to reset GPU\n"); 466 ret = -1; 467 } else 468 dev_info(rdev->dev, "GPU reset succeed\n"); 469 r100_mc_resume(rdev, &save); 470 return ret; 471} 472 473/* 474 * r300,r350,rv350,rv380 VRAM info 475 */ 476void r300_mc_init(struct radeon_device *rdev) 477{ 478 u64 base; 479 u32 tmp; 480 481 /* DDR for all card after R300 & IGP */ 482 rdev->mc.vram_is_ddr = true; 483 tmp = RREG32(RADEON_MEM_CNTL); 484 tmp &= R300_MEM_NUM_CHANNELS_MASK; 485 switch (tmp) { 486 case 0: rdev->mc.vram_width = 64; break; 487 case 1: rdev->mc.vram_width = 128; break; 488 case 2: rdev->mc.vram_width = 256; break; 489 default: rdev->mc.vram_width = 128; break; 490 } 491 r100_vram_init_sizes(rdev); 492 base = rdev->mc.aper_base; 493 if (rdev->flags & RADEON_IS_IGP) 494 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16; 495 radeon_vram_location(rdev, &rdev->mc, base); 496 rdev->mc.gtt_base_align = 0; 497 if (!(rdev->flags & RADEON_IS_AGP)) 498 radeon_gtt_location(rdev, &rdev->mc); 499 radeon_update_bandwidth_info(rdev); 500} 501 502void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes) 503{ 504 uint32_t link_width_cntl, mask; 505 506 if (rdev->flags & RADEON_IS_IGP) 507 return; 508 509 if (!(rdev->flags & RADEON_IS_PCIE)) 510 return; 511 512 /* FIXME wait for idle */ 513 514 switch (lanes) { 515 case 0: 516 mask = RADEON_PCIE_LC_LINK_WIDTH_X0; 517 break; 518 case 1: 519 mask = RADEON_PCIE_LC_LINK_WIDTH_X1; 520 break; 521 case 2: 522 mask = RADEON_PCIE_LC_LINK_WIDTH_X2; 523 break; 524 case 4: 525 mask = RADEON_PCIE_LC_LINK_WIDTH_X4; 526 break; 527 case 8: 528 mask = RADEON_PCIE_LC_LINK_WIDTH_X8; 529 break; 530 case 12: 531 mask = RADEON_PCIE_LC_LINK_WIDTH_X12; 532 break; 533 case 16: 534 default: 535 mask = RADEON_PCIE_LC_LINK_WIDTH_X16; 536 break; 537 } 538 539 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 540 541 if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) == 542 (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT)) 543 return; 544 545 link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK | 546 RADEON_PCIE_LC_RECONFIG_NOW | 547 RADEON_PCIE_LC_RECONFIG_LATER | 548 RADEON_PCIE_LC_SHORT_RECONFIG_EN); 549 link_width_cntl |= mask; 550 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 551 WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl | 552 RADEON_PCIE_LC_RECONFIG_NOW)); 553 554 /* wait for lane set to complete */ 555 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 556 while (link_width_cntl == 0xffffffff) 557 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 558 559} 560 561int rv370_get_pcie_lanes(struct radeon_device *rdev) 562{ 563 u32 link_width_cntl; 564 565 if (rdev->flags & RADEON_IS_IGP) 566 return 0; 567 568 if (!(rdev->flags & RADEON_IS_PCIE)) 569 return 0; 570 571 /* FIXME wait for idle */ 572 573 link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 574 575 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) { 576 case RADEON_PCIE_LC_LINK_WIDTH_X0: 577 return 0; 578 case RADEON_PCIE_LC_LINK_WIDTH_X1: 579 return 1; 580 case RADEON_PCIE_LC_LINK_WIDTH_X2: 581 return 2; 582 case RADEON_PCIE_LC_LINK_WIDTH_X4: 583 return 4; 584 case RADEON_PCIE_LC_LINK_WIDTH_X8: 585 return 8; 586 case RADEON_PCIE_LC_LINK_WIDTH_X16: 587 default: 588 return 16; 589 } 590} 591 592#if defined(CONFIG_DEBUG_FS) 593static int rv370_debugfs_pcie_gart_info(struct seq_file *m, void *data) 594{ 595 struct drm_info_node *node = (struct drm_info_node *) m->private; 596 struct drm_device *dev = node->minor->dev; 597 struct radeon_device *rdev = dev->dev_private; 598 uint32_t tmp; 599 600 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL); 601 seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp); 602 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE); 603 seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp); 604 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO); 605 seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp); 606 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI); 607 seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp); 608 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO); 609 seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp); 610 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI); 611 seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp); 612 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR); 613 seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp); 614 return 0; 615} 616 617static struct drm_info_list rv370_pcie_gart_info_list[] = { 618 {"rv370_pcie_gart_info", rv370_debugfs_pcie_gart_info, 0, NULL}, 619}; 620#endif 621 622static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev) 623{ 624#if defined(CONFIG_DEBUG_FS) 625 return radeon_debugfs_add_files(rdev, rv370_pcie_gart_info_list, 1); 626#else 627 return 0; 628#endif 629} 630 631static int r300_packet0_check(struct radeon_cs_parser *p, 632 struct radeon_cs_packet *pkt, 633 unsigned idx, unsigned reg) 634{ 635 struct radeon_bo_list *reloc; 636 struct r100_cs_track *track; 637 volatile uint32_t *ib; 638 uint32_t tmp, tile_flags = 0; 639 unsigned i; 640 int r; 641 u32 idx_value; 642 643 ib = p->ib.ptr; 644 track = (struct r100_cs_track *)p->track; 645 idx_value = radeon_get_ib_value(p, idx); 646 647 switch(reg) { 648 case AVIVO_D1MODE_VLINE_START_END: 649 case RADEON_CRTC_GUI_TRIG_VLINE: 650 r = r100_cs_packet_parse_vline(p); 651 if (r) { 652 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 653 idx, reg); 654 radeon_cs_dump_packet(p, pkt); 655 return r; 656 } 657 break; 658 case RADEON_DST_PITCH_OFFSET: 659 case RADEON_SRC_PITCH_OFFSET: 660 r = r100_reloc_pitch_offset(p, pkt, idx, reg); 661 if (r) 662 return r; 663 break; 664 case R300_RB3D_COLOROFFSET0: 665 case R300_RB3D_COLOROFFSET1: 666 case R300_RB3D_COLOROFFSET2: 667 case R300_RB3D_COLOROFFSET3: 668 i = (reg - R300_RB3D_COLOROFFSET0) >> 2; 669 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 670 if (r) { 671 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 672 idx, reg); 673 radeon_cs_dump_packet(p, pkt); 674 return r; 675 } 676 track->cb[i].robj = reloc->robj; 677 track->cb[i].offset = idx_value; 678 track->cb_dirty = true; 679 ib[idx] = idx_value + ((u32)reloc->gpu_offset); 680 break; 681 case R300_ZB_DEPTHOFFSET: 682 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 683 if (r) { 684 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 685 idx, reg); 686 radeon_cs_dump_packet(p, pkt); 687 return r; 688 } 689 track->zb.robj = reloc->robj; 690 track->zb.offset = idx_value; 691 track->zb_dirty = true; 692 ib[idx] = idx_value + ((u32)reloc->gpu_offset); 693 break; 694 case R300_TX_OFFSET_0: 695 case R300_TX_OFFSET_0+4: 696 case R300_TX_OFFSET_0+8: 697 case R300_TX_OFFSET_0+12: 698 case R300_TX_OFFSET_0+16: 699 case R300_TX_OFFSET_0+20: 700 case R300_TX_OFFSET_0+24: 701 case R300_TX_OFFSET_0+28: 702 case R300_TX_OFFSET_0+32: 703 case R300_TX_OFFSET_0+36: 704 case R300_TX_OFFSET_0+40: 705 case R300_TX_OFFSET_0+44: 706 case R300_TX_OFFSET_0+48: 707 case R300_TX_OFFSET_0+52: 708 case R300_TX_OFFSET_0+56: 709 case R300_TX_OFFSET_0+60: 710 i = (reg - R300_TX_OFFSET_0) >> 2; 711 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 712 if (r) { 713 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 714 idx, reg); 715 radeon_cs_dump_packet(p, pkt); 716 return r; 717 } 718 719 if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) { 720 ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */ 721 ((idx_value & ~31) + (u32)reloc->gpu_offset); 722 } else { 723 if (reloc->tiling_flags & RADEON_TILING_MACRO) 724 tile_flags |= R300_TXO_MACRO_TILE; 725 if (reloc->tiling_flags & RADEON_TILING_MICRO) 726 tile_flags |= R300_TXO_MICRO_TILE; 727 else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE) 728 tile_flags |= R300_TXO_MICRO_TILE_SQUARE; 729 730 tmp = idx_value + ((u32)reloc->gpu_offset); 731 tmp |= tile_flags; 732 ib[idx] = tmp; 733 } 734 track->textures[i].robj = reloc->robj; 735 track->tex_dirty = true; 736 break; 737 /* Tracked registers */ 738 case 0x2084: 739 /* VAP_VF_CNTL */ 740 track->vap_vf_cntl = idx_value; 741 break; 742 case 0x20B4: 743 /* VAP_VTX_SIZE */ 744 track->vtx_size = idx_value & 0x7F; 745 break; 746 case 0x2134: 747 /* VAP_VF_MAX_VTX_INDX */ 748 track->max_indx = idx_value & 0x00FFFFFFUL; 749 break; 750 case 0x2088: 751 /* VAP_ALT_NUM_VERTICES - only valid on r500 */ 752 if (p->rdev->family < CHIP_RV515) 753 goto fail; 754 track->vap_alt_nverts = idx_value & 0xFFFFFF; 755 break; 756 case 0x43E4: 757 /* SC_SCISSOR1 */ 758 track->maxy = ((idx_value >> 13) & 0x1FFF) + 1; 759 if (p->rdev->family < CHIP_RV515) { 760 track->maxy -= 1440; 761 } 762 track->cb_dirty = true; 763 track->zb_dirty = true; 764 break; 765 case 0x4E00: 766 /* RB3D_CCTL */ 767 if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */ 768 p->rdev->cmask_filp != p->filp) { 769 DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n"); 770 return -EINVAL; 771 } 772 track->num_cb = ((idx_value >> 5) & 0x3) + 1; 773 track->cb_dirty = true; 774 break; 775 case 0x4E38: 776 case 0x4E3C: 777 case 0x4E40: 778 case 0x4E44: 779 /* RB3D_COLORPITCH0 */ 780 /* RB3D_COLORPITCH1 */ 781 /* RB3D_COLORPITCH2 */ 782 /* RB3D_COLORPITCH3 */ 783 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) { 784 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 785 if (r) { 786 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 787 idx, reg); 788 radeon_cs_dump_packet(p, pkt); 789 return r; 790 } 791 792 if (reloc->tiling_flags & RADEON_TILING_MACRO) 793 tile_flags |= R300_COLOR_TILE_ENABLE; 794 if (reloc->tiling_flags & RADEON_TILING_MICRO) 795 tile_flags |= R300_COLOR_MICROTILE_ENABLE; 796 else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE) 797 tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE; 798 799 tmp = idx_value & ~(0x7 << 16); 800 tmp |= tile_flags; 801 ib[idx] = tmp; 802 } 803 i = (reg - 0x4E38) >> 2; 804 track->cb[i].pitch = idx_value & 0x3FFE; 805 switch (((idx_value >> 21) & 0xF)) { 806 case 9: 807 case 11: 808 case 12: 809 track->cb[i].cpp = 1; 810 break; 811 case 3: 812 case 4: 813 case 13: 814 case 15: 815 track->cb[i].cpp = 2; 816 break; 817 case 5: 818 if (p->rdev->family < CHIP_RV515) { 819 DRM_ERROR("Invalid color buffer format (%d)!\n", 820 ((idx_value >> 21) & 0xF)); 821 return -EINVAL; 822 } 823 fallthrough; 824 case 6: 825 track->cb[i].cpp = 4; 826 break; 827 case 10: 828 track->cb[i].cpp = 8; 829 break; 830 case 7: 831 track->cb[i].cpp = 16; 832 break; 833 default: 834 DRM_ERROR("Invalid color buffer format (%d) !\n", 835 ((idx_value >> 21) & 0xF)); 836 return -EINVAL; 837 } 838 track->cb_dirty = true; 839 break; 840 case 0x4F00: 841 /* ZB_CNTL */ 842 if (idx_value & 2) { 843 track->z_enabled = true; 844 } else { 845 track->z_enabled = false; 846 } 847 track->zb_dirty = true; 848 break; 849 case 0x4F10: 850 /* ZB_FORMAT */ 851 switch ((idx_value & 0xF)) { 852 case 0: 853 case 1: 854 track->zb.cpp = 2; 855 break; 856 case 2: 857 track->zb.cpp = 4; 858 break; 859 default: 860 DRM_ERROR("Invalid z buffer format (%d) !\n", 861 (idx_value & 0xF)); 862 return -EINVAL; 863 } 864 track->zb_dirty = true; 865 break; 866 case 0x4F24: 867 /* ZB_DEPTHPITCH */ 868 if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) { 869 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 870 if (r) { 871 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 872 idx, reg); 873 radeon_cs_dump_packet(p, pkt); 874 return r; 875 } 876 877 if (reloc->tiling_flags & RADEON_TILING_MACRO) 878 tile_flags |= R300_DEPTHMACROTILE_ENABLE; 879 if (reloc->tiling_flags & RADEON_TILING_MICRO) 880 tile_flags |= R300_DEPTHMICROTILE_TILED; 881 else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE) 882 tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE; 883 884 tmp = idx_value & ~(0x7 << 16); 885 tmp |= tile_flags; 886 ib[idx] = tmp; 887 } 888 track->zb.pitch = idx_value & 0x3FFC; 889 track->zb_dirty = true; 890 break; 891 case 0x4104: 892 /* TX_ENABLE */ 893 for (i = 0; i < 16; i++) { 894 bool enabled; 895 896 enabled = !!(idx_value & (1 << i)); 897 track->textures[i].enabled = enabled; 898 } 899 track->tex_dirty = true; 900 break; 901 case 0x44C0: 902 case 0x44C4: 903 case 0x44C8: 904 case 0x44CC: 905 case 0x44D0: 906 case 0x44D4: 907 case 0x44D8: 908 case 0x44DC: 909 case 0x44E0: 910 case 0x44E4: 911 case 0x44E8: 912 case 0x44EC: 913 case 0x44F0: 914 case 0x44F4: 915 case 0x44F8: 916 case 0x44FC: 917 /* TX_FORMAT1_[0-15] */ 918 i = (reg - 0x44C0) >> 2; 919 tmp = (idx_value >> 25) & 0x3; 920 track->textures[i].tex_coord_type = tmp; 921 switch ((idx_value & 0x1F)) { 922 case R300_TX_FORMAT_X8: 923 case R300_TX_FORMAT_Y4X4: 924 case R300_TX_FORMAT_Z3Y3X2: 925 track->textures[i].cpp = 1; 926 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 927 break; 928 case R300_TX_FORMAT_X16: 929 case R300_TX_FORMAT_FL_I16: 930 case R300_TX_FORMAT_Y8X8: 931 case R300_TX_FORMAT_Z5Y6X5: 932 case R300_TX_FORMAT_Z6Y5X5: 933 case R300_TX_FORMAT_W4Z4Y4X4: 934 case R300_TX_FORMAT_W1Z5Y5X5: 935 case R300_TX_FORMAT_D3DMFT_CxV8U8: 936 case R300_TX_FORMAT_B8G8_B8G8: 937 case R300_TX_FORMAT_G8R8_G8B8: 938 track->textures[i].cpp = 2; 939 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 940 break; 941 case R300_TX_FORMAT_Y16X16: 942 case R300_TX_FORMAT_FL_I16A16: 943 case R300_TX_FORMAT_Z11Y11X10: 944 case R300_TX_FORMAT_Z10Y11X11: 945 case R300_TX_FORMAT_W8Z8Y8X8: 946 case R300_TX_FORMAT_W2Z10Y10X10: 947 case 0x17: 948 case R300_TX_FORMAT_FL_I32: 949 case 0x1e: 950 track->textures[i].cpp = 4; 951 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 952 break; 953 case R300_TX_FORMAT_W16Z16Y16X16: 954 case R300_TX_FORMAT_FL_R16G16B16A16: 955 case R300_TX_FORMAT_FL_I32A32: 956 track->textures[i].cpp = 8; 957 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 958 break; 959 case R300_TX_FORMAT_FL_R32G32B32A32: 960 track->textures[i].cpp = 16; 961 track->textures[i].compress_format = R100_TRACK_COMP_NONE; 962 break; 963 case R300_TX_FORMAT_DXT1: 964 track->textures[i].cpp = 1; 965 track->textures[i].compress_format = R100_TRACK_COMP_DXT1; 966 break; 967 case R300_TX_FORMAT_ATI2N: 968 if (p->rdev->family < CHIP_R420) { 969 DRM_ERROR("Invalid texture format %u\n", 970 (idx_value & 0x1F)); 971 return -EINVAL; 972 } 973 /* The same rules apply as for DXT3/5. */ 974 fallthrough; 975 case R300_TX_FORMAT_DXT3: 976 case R300_TX_FORMAT_DXT5: 977 track->textures[i].cpp = 1; 978 track->textures[i].compress_format = R100_TRACK_COMP_DXT35; 979 break; 980 default: 981 DRM_ERROR("Invalid texture format %u\n", 982 (idx_value & 0x1F)); 983 return -EINVAL; 984 } 985 track->tex_dirty = true; 986 break; 987 case 0x4400: 988 case 0x4404: 989 case 0x4408: 990 case 0x440C: 991 case 0x4410: 992 case 0x4414: 993 case 0x4418: 994 case 0x441C: 995 case 0x4420: 996 case 0x4424: 997 case 0x4428: 998 case 0x442C: 999 case 0x4430: 1000 case 0x4434: 1001 case 0x4438: 1002 case 0x443C: 1003 /* TX_FILTER0_[0-15] */ 1004 i = (reg - 0x4400) >> 2; 1005 tmp = idx_value & 0x7; 1006 if (tmp == 2 || tmp == 4 || tmp == 6) { 1007 track->textures[i].roundup_w = false; 1008 } 1009 tmp = (idx_value >> 3) & 0x7; 1010 if (tmp == 2 || tmp == 4 || tmp == 6) { 1011 track->textures[i].roundup_h = false; 1012 } 1013 track->tex_dirty = true; 1014 break; 1015 case 0x4500: 1016 case 0x4504: 1017 case 0x4508: 1018 case 0x450C: 1019 case 0x4510: 1020 case 0x4514: 1021 case 0x4518: 1022 case 0x451C: 1023 case 0x4520: 1024 case 0x4524: 1025 case 0x4528: 1026 case 0x452C: 1027 case 0x4530: 1028 case 0x4534: 1029 case 0x4538: 1030 case 0x453C: 1031 /* TX_FORMAT2_[0-15] */ 1032 i = (reg - 0x4500) >> 2; 1033 tmp = idx_value & 0x3FFF; 1034 track->textures[i].pitch = tmp + 1; 1035 if (p->rdev->family >= CHIP_RV515) { 1036 tmp = ((idx_value >> 15) & 1) << 11; 1037 track->textures[i].width_11 = tmp; 1038 tmp = ((idx_value >> 16) & 1) << 11; 1039 track->textures[i].height_11 = tmp; 1040 1041 /* ATI1N */ 1042 if (idx_value & (1 << 14)) { 1043 /* The same rules apply as for DXT1. */ 1044 track->textures[i].compress_format = 1045 R100_TRACK_COMP_DXT1; 1046 } 1047 } else if (idx_value & (1 << 14)) { 1048 DRM_ERROR("Forbidden bit TXFORMAT_MSB\n"); 1049 return -EINVAL; 1050 } 1051 track->tex_dirty = true; 1052 break; 1053 case 0x4480: 1054 case 0x4484: 1055 case 0x4488: 1056 case 0x448C: 1057 case 0x4490: 1058 case 0x4494: 1059 case 0x4498: 1060 case 0x449C: 1061 case 0x44A0: 1062 case 0x44A4: 1063 case 0x44A8: 1064 case 0x44AC: 1065 case 0x44B0: 1066 case 0x44B4: 1067 case 0x44B8: 1068 case 0x44BC: 1069 /* TX_FORMAT0_[0-15] */ 1070 i = (reg - 0x4480) >> 2; 1071 tmp = idx_value & 0x7FF; 1072 track->textures[i].width = tmp + 1; 1073 tmp = (idx_value >> 11) & 0x7FF; 1074 track->textures[i].height = tmp + 1; 1075 tmp = (idx_value >> 26) & 0xF; 1076 track->textures[i].num_levels = tmp; 1077 tmp = idx_value & (1 << 31); 1078 track->textures[i].use_pitch = !!tmp; 1079 tmp = (idx_value >> 22) & 0xF; 1080 track->textures[i].txdepth = tmp; 1081 track->tex_dirty = true; 1082 break; 1083 case R300_ZB_ZPASS_ADDR: 1084 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1085 if (r) { 1086 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1087 idx, reg); 1088 radeon_cs_dump_packet(p, pkt); 1089 return r; 1090 } 1091 ib[idx] = idx_value + ((u32)reloc->gpu_offset); 1092 break; 1093 case 0x4e0c: 1094 /* RB3D_COLOR_CHANNEL_MASK */ 1095 track->color_channel_mask = idx_value; 1096 track->cb_dirty = true; 1097 break; 1098 case 0x43a4: 1099 /* SC_HYPERZ_EN */ 1100 /* r300c emits this register - we need to disable hyperz for it 1101 * without complaining */ 1102 if (p->rdev->hyperz_filp != p->filp) { 1103 if (idx_value & 0x1) 1104 ib[idx] = idx_value & ~1; 1105 } 1106 break; 1107 case 0x4f1c: 1108 /* ZB_BW_CNTL */ 1109 track->zb_cb_clear = !!(idx_value & (1 << 5)); 1110 track->cb_dirty = true; 1111 track->zb_dirty = true; 1112 if (p->rdev->hyperz_filp != p->filp) { 1113 if (idx_value & (R300_HIZ_ENABLE | 1114 R300_RD_COMP_ENABLE | 1115 R300_WR_COMP_ENABLE | 1116 R300_FAST_FILL_ENABLE)) 1117 goto fail; 1118 } 1119 break; 1120 case 0x4e04: 1121 /* RB3D_BLENDCNTL */ 1122 track->blend_read_enable = !!(idx_value & (1 << 2)); 1123 track->cb_dirty = true; 1124 break; 1125 case R300_RB3D_AARESOLVE_OFFSET: 1126 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1127 if (r) { 1128 DRM_ERROR("No reloc for ib[%d]=0x%04X\n", 1129 idx, reg); 1130 radeon_cs_dump_packet(p, pkt); 1131 return r; 1132 } 1133 track->aa.robj = reloc->robj; 1134 track->aa.offset = idx_value; 1135 track->aa_dirty = true; 1136 ib[idx] = idx_value + ((u32)reloc->gpu_offset); 1137 break; 1138 case R300_RB3D_AARESOLVE_PITCH: 1139 track->aa.pitch = idx_value & 0x3FFE; 1140 track->aa_dirty = true; 1141 break; 1142 case R300_RB3D_AARESOLVE_CTL: 1143 track->aaresolve = idx_value & 0x1; 1144 track->aa_dirty = true; 1145 break; 1146 case 0x4f30: /* ZB_MASK_OFFSET */ 1147 case 0x4f34: /* ZB_ZMASK_PITCH */ 1148 case 0x4f44: /* ZB_HIZ_OFFSET */ 1149 case 0x4f54: /* ZB_HIZ_PITCH */ 1150 if (idx_value && (p->rdev->hyperz_filp != p->filp)) 1151 goto fail; 1152 break; 1153 case 0x4028: 1154 if (idx_value && (p->rdev->hyperz_filp != p->filp)) 1155 goto fail; 1156 /* GB_Z_PEQ_CONFIG */ 1157 if (p->rdev->family >= CHIP_RV350) 1158 break; 1159 goto fail; 1160 break; 1161 case 0x4be8: 1162 /* valid register only on RV530 */ 1163 if (p->rdev->family == CHIP_RV530) 1164 break; 1165 /* fallthrough do not move */ 1166 default: 1167 goto fail; 1168 } 1169 return 0; 1170fail: 1171 pr_err("Forbidden register 0x%04X in cs at %d (val=%08x)\n", 1172 reg, idx, idx_value); 1173 return -EINVAL; 1174} 1175 1176static int r300_packet3_check(struct radeon_cs_parser *p, 1177 struct radeon_cs_packet *pkt) 1178{ 1179 struct radeon_bo_list *reloc; 1180 struct r100_cs_track *track; 1181 volatile uint32_t *ib; 1182 unsigned idx; 1183 int r; 1184 1185 ib = p->ib.ptr; 1186 idx = pkt->idx + 1; 1187 track = (struct r100_cs_track *)p->track; 1188 switch(pkt->opcode) { 1189 case PACKET3_3D_LOAD_VBPNTR: 1190 r = r100_packet3_load_vbpntr(p, pkt, idx); 1191 if (r) 1192 return r; 1193 break; 1194 case PACKET3_INDX_BUFFER: 1195 r = radeon_cs_packet_next_reloc(p, &reloc, 0); 1196 if (r) { 1197 DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode); 1198 radeon_cs_dump_packet(p, pkt); 1199 return r; 1200 } 1201 ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset); 1202 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj); 1203 if (r) { 1204 return r; 1205 } 1206 break; 1207 /* Draw packet */ 1208 case PACKET3_3D_DRAW_IMMD: 1209 /* Number of dwords is vtx_size * (num_vertices - 1) 1210 * PRIM_WALK must be equal to 3 vertex data in embedded 1211 * in cmd stream */ 1212 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) { 1213 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n"); 1214 return -EINVAL; 1215 } 1216 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1); 1217 track->immd_dwords = pkt->count - 1; 1218 r = r100_cs_track_check(p->rdev, track); 1219 if (r) { 1220 return r; 1221 } 1222 break; 1223 case PACKET3_3D_DRAW_IMMD_2: 1224 /* Number of dwords is vtx_size * (num_vertices - 1) 1225 * PRIM_WALK must be equal to 3 vertex data in embedded 1226 * in cmd stream */ 1227 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) { 1228 DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n"); 1229 return -EINVAL; 1230 } 1231 track->vap_vf_cntl = radeon_get_ib_value(p, idx); 1232 track->immd_dwords = pkt->count; 1233 r = r100_cs_track_check(p->rdev, track); 1234 if (r) { 1235 return r; 1236 } 1237 break; 1238 case PACKET3_3D_DRAW_VBUF: 1239 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1); 1240 r = r100_cs_track_check(p->rdev, track); 1241 if (r) { 1242 return r; 1243 } 1244 break; 1245 case PACKET3_3D_DRAW_VBUF_2: 1246 track->vap_vf_cntl = radeon_get_ib_value(p, idx); 1247 r = r100_cs_track_check(p->rdev, track); 1248 if (r) { 1249 return r; 1250 } 1251 break; 1252 case PACKET3_3D_DRAW_INDX: 1253 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1); 1254 r = r100_cs_track_check(p->rdev, track); 1255 if (r) { 1256 return r; 1257 } 1258 break; 1259 case PACKET3_3D_DRAW_INDX_2: 1260 track->vap_vf_cntl = radeon_get_ib_value(p, idx); 1261 r = r100_cs_track_check(p->rdev, track); 1262 if (r) { 1263 return r; 1264 } 1265 break; 1266 case PACKET3_3D_CLEAR_HIZ: 1267 case PACKET3_3D_CLEAR_ZMASK: 1268 if (p->rdev->hyperz_filp != p->filp) 1269 return -EINVAL; 1270 break; 1271 case PACKET3_3D_CLEAR_CMASK: 1272 if (p->rdev->cmask_filp != p->filp) 1273 return -EINVAL; 1274 break; 1275 case PACKET3_NOP: 1276 break; 1277 default: 1278 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode); 1279 return -EINVAL; 1280 } 1281 return 0; 1282} 1283 1284int r300_cs_parse(struct radeon_cs_parser *p) 1285{ 1286 struct radeon_cs_packet pkt; 1287 struct r100_cs_track *track; 1288 int r; 1289 1290 track = kzalloc(sizeof(*track), GFP_KERNEL); 1291 if (track == NULL) 1292 return -ENOMEM; 1293 r100_cs_track_clear(p->rdev, track); 1294 p->track = track; 1295 do { 1296 r = radeon_cs_packet_parse(p, &pkt, p->idx); 1297 if (r) { 1298 return r; 1299 } 1300 p->idx += pkt.count + 2; 1301 switch (pkt.type) { 1302 case RADEON_PACKET_TYPE0: 1303 r = r100_cs_parse_packet0(p, &pkt, 1304 p->rdev->config.r300.reg_safe_bm, 1305 p->rdev->config.r300.reg_safe_bm_size, 1306 &r300_packet0_check); 1307 break; 1308 case RADEON_PACKET_TYPE2: 1309 break; 1310 case RADEON_PACKET_TYPE3: 1311 r = r300_packet3_check(p, &pkt); 1312 break; 1313 default: 1314 DRM_ERROR("Unknown packet type %d !\n", pkt.type); 1315 return -EINVAL; 1316 } 1317 if (r) { 1318 return r; 1319 } 1320 } while (p->idx < p->chunk_ib->length_dw); 1321 return 0; 1322} 1323 1324void r300_set_reg_safe(struct radeon_device *rdev) 1325{ 1326 rdev->config.r300.reg_safe_bm = r300_reg_safe_bm; 1327 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm); 1328} 1329 1330void r300_mc_program(struct radeon_device *rdev) 1331{ 1332 struct r100_mc_save save; 1333 int r; 1334 1335 r = r100_debugfs_mc_info_init(rdev); 1336 if (r) { 1337 dev_err(rdev->dev, "Failed to create r100_mc debugfs file.\n"); 1338 } 1339 1340 /* Stops all mc clients */ 1341 r100_mc_stop(rdev, &save); 1342 if (rdev->flags & RADEON_IS_AGP) { 1343 WREG32(R_00014C_MC_AGP_LOCATION, 1344 S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) | 1345 S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16)); 1346 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base)); 1347 WREG32(R_00015C_AGP_BASE_2, 1348 upper_32_bits(rdev->mc.agp_base) & 0xff); 1349 } else { 1350 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF); 1351 WREG32(R_000170_AGP_BASE, 0); 1352 WREG32(R_00015C_AGP_BASE_2, 0); 1353 } 1354 /* Wait for mc idle */ 1355 if (r300_mc_wait_for_idle(rdev)) 1356 DRM_INFO("Failed to wait MC idle before programming MC.\n"); 1357 /* Program MC, should be a 32bits limited address space */ 1358 WREG32(R_000148_MC_FB_LOCATION, 1359 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) | 1360 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16)); 1361 r100_mc_resume(rdev, &save); 1362} 1363 1364void r300_clock_startup(struct radeon_device *rdev) 1365{ 1366 u32 tmp; 1367 1368 if (radeon_dynclks != -1 && radeon_dynclks) 1369 radeon_legacy_set_clock_gating(rdev, 1); 1370 /* We need to force on some of the block */ 1371 tmp = RREG32_PLL(R_00000D_SCLK_CNTL); 1372 tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1); 1373 if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380)) 1374 tmp |= S_00000D_FORCE_VAP(1); 1375 WREG32_PLL(R_00000D_SCLK_CNTL, tmp); 1376} 1377 1378static int r300_startup(struct radeon_device *rdev) 1379{ 1380 int r; 1381 1382 /* set common regs */ 1383 r100_set_common_regs(rdev); 1384 /* program mc */ 1385 r300_mc_program(rdev); 1386 /* Resume clock */ 1387 r300_clock_startup(rdev); 1388 /* Initialize GPU configuration (# pipes, ...) */ 1389 r300_gpu_init(rdev); 1390 /* Initialize GART (initialize after TTM so we can allocate 1391 * memory through TTM but finalize after TTM) */ 1392 if (rdev->flags & RADEON_IS_PCIE) { 1393 r = rv370_pcie_gart_enable(rdev); 1394 if (r) 1395 return r; 1396 } 1397 1398 if (rdev->family == CHIP_R300 || 1399 rdev->family == CHIP_R350 || 1400 rdev->family == CHIP_RV350) 1401 r100_enable_bm(rdev); 1402 1403 if (rdev->flags & RADEON_IS_PCI) { 1404 r = r100_pci_gart_enable(rdev); 1405 if (r) 1406 return r; 1407 } 1408 1409 /* allocate wb buffer */ 1410 r = radeon_wb_init(rdev); 1411 if (r) 1412 return r; 1413 1414 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 1415 if (r) { 1416 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 1417 return r; 1418 } 1419 1420 /* Enable IRQ */ 1421 if (!rdev->irq.installed) { 1422 r = radeon_irq_kms_init(rdev); 1423 if (r) 1424 return r; 1425 } 1426 1427 r100_irq_set(rdev); 1428 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL); 1429 /* 1M ring buffer */ 1430 r = r100_cp_init(rdev, 1024 * 1024); 1431 if (r) { 1432 dev_err(rdev->dev, "failed initializing CP (%d).\n", r); 1433 return r; 1434 } 1435 1436 r = radeon_ib_pool_init(rdev); 1437 if (r) { 1438 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 1439 return r; 1440 } 1441 1442 return 0; 1443} 1444 1445int r300_resume(struct radeon_device *rdev) 1446{ 1447 int r; 1448 1449 /* Make sur GART are not working */ 1450 if (rdev->flags & RADEON_IS_PCIE) 1451 rv370_pcie_gart_disable(rdev); 1452 if (rdev->flags & RADEON_IS_PCI) 1453 r100_pci_gart_disable(rdev); 1454 /* Resume clock before doing reset */ 1455 r300_clock_startup(rdev); 1456 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 1457 if (radeon_asic_reset(rdev)) { 1458 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 1459 RREG32(R_000E40_RBBM_STATUS), 1460 RREG32(R_0007C0_CP_STAT)); 1461 } 1462 /* post */ 1463 radeon_combios_asic_init(rdev->ddev); 1464 /* Resume clock after posting */ 1465 r300_clock_startup(rdev); 1466 /* Initialize surface registers */ 1467 radeon_surface_init(rdev); 1468 1469 rdev->accel_working = true; 1470 r = r300_startup(rdev); 1471 if (r) { 1472 rdev->accel_working = false; 1473 } 1474 return r; 1475} 1476 1477int r300_suspend(struct radeon_device *rdev) 1478{ 1479 radeon_pm_suspend(rdev); 1480 r100_cp_disable(rdev); 1481 radeon_wb_disable(rdev); 1482 r100_irq_disable(rdev); 1483 if (rdev->flags & RADEON_IS_PCIE) 1484 rv370_pcie_gart_disable(rdev); 1485 if (rdev->flags & RADEON_IS_PCI) 1486 r100_pci_gart_disable(rdev); 1487 return 0; 1488} 1489 1490void r300_fini(struct radeon_device *rdev) 1491{ 1492 radeon_pm_fini(rdev); 1493 r100_cp_fini(rdev); 1494 radeon_wb_fini(rdev); 1495 radeon_ib_pool_fini(rdev); 1496 radeon_gem_fini(rdev); 1497 if (rdev->flags & RADEON_IS_PCIE) 1498 rv370_pcie_gart_fini(rdev); 1499 if (rdev->flags & RADEON_IS_PCI) 1500 r100_pci_gart_fini(rdev); 1501 radeon_agp_fini(rdev); 1502 radeon_irq_kms_fini(rdev); 1503 radeon_fence_driver_fini(rdev); 1504 radeon_bo_fini(rdev); 1505 radeon_atombios_fini(rdev); 1506 kfree(rdev->bios); 1507 rdev->bios = NULL; 1508} 1509 1510int r300_init(struct radeon_device *rdev) 1511{ 1512 int r; 1513 1514 /* Disable VGA */ 1515 r100_vga_render_disable(rdev); 1516 /* Initialize scratch registers */ 1517 radeon_scratch_init(rdev); 1518 /* Initialize surface registers */ 1519 radeon_surface_init(rdev); 1520 /* TODO: disable VGA need to use VGA request */ 1521 /* restore some register to sane defaults */ 1522 r100_restore_sanity(rdev); 1523 /* BIOS*/ 1524 if (!radeon_get_bios(rdev)) { 1525 if (ASIC_IS_AVIVO(rdev)) 1526 return -EINVAL; 1527 } 1528 if (rdev->is_atom_bios) { 1529 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n"); 1530 return -EINVAL; 1531 } else { 1532 r = radeon_combios_init(rdev); 1533 if (r) 1534 return r; 1535 } 1536 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 1537 if (radeon_asic_reset(rdev)) { 1538 dev_warn(rdev->dev, 1539 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 1540 RREG32(R_000E40_RBBM_STATUS), 1541 RREG32(R_0007C0_CP_STAT)); 1542 } 1543 /* check if cards are posted or not */ 1544 if (radeon_boot_test_post_card(rdev) == false) 1545 return -EINVAL; 1546 /* Set asic errata */ 1547 r300_errata(rdev); 1548 /* Initialize clocks */ 1549 radeon_get_clock_info(rdev->ddev); 1550 /* initialize AGP */ 1551 if (rdev->flags & RADEON_IS_AGP) { 1552 r = radeon_agp_init(rdev); 1553 if (r) { 1554 radeon_agp_disable(rdev); 1555 } 1556 } 1557 /* initialize memory controller */ 1558 r300_mc_init(rdev); 1559 /* Fence driver */ 1560 r = radeon_fence_driver_init(rdev); 1561 if (r) 1562 return r; 1563 /* Memory manager */ 1564 r = radeon_bo_init(rdev); 1565 if (r) 1566 return r; 1567 if (rdev->flags & RADEON_IS_PCIE) { 1568 r = rv370_pcie_gart_init(rdev); 1569 if (r) 1570 return r; 1571 } 1572 if (rdev->flags & RADEON_IS_PCI) { 1573 r = r100_pci_gart_init(rdev); 1574 if (r) 1575 return r; 1576 } 1577 r300_set_reg_safe(rdev); 1578 1579 /* Initialize power management */ 1580 radeon_pm_init(rdev); 1581 1582 rdev->accel_working = true; 1583 r = r300_startup(rdev); 1584 if (r) { 1585 /* Something went wrong with the accel init, so stop accel */ 1586 dev_err(rdev->dev, "Disabling GPU acceleration\n"); 1587 r100_cp_fini(rdev); 1588 radeon_wb_fini(rdev); 1589 radeon_ib_pool_fini(rdev); 1590 radeon_irq_kms_fini(rdev); 1591 if (rdev->flags & RADEON_IS_PCIE) 1592 rv370_pcie_gart_fini(rdev); 1593 if (rdev->flags & RADEON_IS_PCI) 1594 r100_pci_gart_fini(rdev); 1595 radeon_agp_fini(rdev); 1596 rdev->accel_working = false; 1597 } 1598 return 0; 1599} 1600