drivers/gpu/drm/radeon/r100.c

   1 /*
   2  * Copyright 2008 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  * Copyright 2009 Jerome Glisse.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors: Dave Airlie
  25  *          Alex Deucher
  26  *          Jerome Glisse
  27  */
  28 #include <linux/seq_file.h>
  29 #include "drmP.h"
  30 #include "drm.h"
  31 #include "radeon_drm.h"
  32 #include "radeon_reg.h"
  33 #include "radeon.h"
  34 #include "r100d.h"
  35
  36 #include <linux/firmware.h>
  37 #include <linux/platform_device.h>
  38
  39 #include "r100_reg_safe.h"
  40 #include "rn50_reg_safe.h"
  41
  42 /* Firmware Names */
  43 #define FIRMWARE_R100           "radeon/R100_cp.bin"
  44 #define FIRMWARE_R200           "radeon/R200_cp.bin"
  45 #define FIRMWARE_R300           "radeon/R300_cp.bin"
  46 #define FIRMWARE_R420           "radeon/R420_cp.bin"
  47 #define FIRMWARE_RS690          "radeon/RS690_cp.bin"
  48 #define FIRMWARE_RS600          "radeon/RS600_cp.bin"
  49 #define FIRMWARE_R520           "radeon/R520_cp.bin"
  50
  51 MODULE_FIRMWARE(FIRMWARE_R100);
  52 MODULE_FIRMWARE(FIRMWARE_R200);
  53 MODULE_FIRMWARE(FIRMWARE_R300);
  54 MODULE_FIRMWARE(FIRMWARE_R420);
  55 MODULE_FIRMWARE(FIRMWARE_RS690);
  56 MODULE_FIRMWARE(FIRMWARE_RS600);
  57 MODULE_FIRMWARE(FIRMWARE_R520);
  58
  59 #include "r100_track.h"
  60
  61 /* This files gather functions specifics to:
  62  * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
  63  *
  64  * Some of these functions might be used by newer ASICs.
  65  */
  66 int r200_init(struct radeon_device *rdev);
  67 void r100_hdp_reset(struct radeon_device *rdev);
  68 void r100_gpu_init(struct radeon_device *rdev);
  69 int r100_gui_wait_for_idle(struct radeon_device *rdev);
  70 int r100_mc_wait_for_idle(struct radeon_device *rdev);
  71 void r100_gpu_wait_for_vsync(struct radeon_device *rdev);
  72 void r100_gpu_wait_for_vsync2(struct radeon_device *rdev);
  73 int r100_debugfs_mc_info_init(struct radeon_device *rdev);
  74
  75
  76 /*
  77  * PCI GART
  78  */
  79 void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
  80 {
  81         /* TODO: can we do somethings here ? */
  82         /* It seems hw only cache one entry so we should discard this
  83          * entry otherwise if first GPU GART read hit this entry it
  84          * could end up in wrong address. */
  85 }
  86
  87 int r100_pci_gart_init(struct radeon_device *rdev)
  88 {
  89         int r;
  90
  91         if (rdev->gart.table.ram.ptr) {
  92                 WARN(1, "R100 PCI GART already initialized.\n");
  93                 return 0;
  94         }
  95         /* Initialize common gart structure */
  96         r = radeon_gart_init(rdev);
  97         if (r)
  98                 return r;
  99         rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 100         rdev->asic->gart_tlb_flush = &r100_pci_gart_tlb_flush;
 101         rdev->asic->gart_set_page = &r100_pci_gart_set_page;
 102         return radeon_gart_table_ram_alloc(rdev);
 103 }
 104
 105 int r100_pci_gart_enable(struct radeon_device *rdev)
 106 {
 107         uint32_t tmp;
 108
 109         /* discard memory request outside of configured range */
 110         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 111         WREG32(RADEON_AIC_CNTL, tmp);
 112         /* set address range for PCI address translate */
 113         WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_location);
 114         tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
 115         WREG32(RADEON_AIC_HI_ADDR, tmp);
 116         /* Enable bus mastering */
 117         tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
 118         WREG32(RADEON_BUS_CNTL, tmp);
 119         /* set PCI GART page-table base address */
 120         WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
 121         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
 122         WREG32(RADEON_AIC_CNTL, tmp);
 123         r100_pci_gart_tlb_flush(rdev);
 124         rdev->gart.ready = true;
 125         return 0;
 126 }
 127
 128 void r100_pci_gart_disable(struct radeon_device *rdev)
 129 {
 130         uint32_t tmp;
 131
 132         /* discard memory request outside of configured range */
 133         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 134         WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
 135         WREG32(RADEON_AIC_LO_ADDR, 0);
 136         WREG32(RADEON_AIC_HI_ADDR, 0);
 137 }
 138
 139 int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
 140 {
 141         if (i < 0 || i > rdev->gart.num_gpu_pages) {
 142                 return -EINVAL;
 143         }
 144         rdev->gart.table.ram.ptr[i] = cpu_to_le32(lower_32_bits(addr));
 145         return 0;
 146 }
 147
 148 void r100_pci_gart_fini(struct radeon_device *rdev)
 149 {
 150         r100_pci_gart_disable(rdev);
 151         radeon_gart_table_ram_free(rdev);
 152         radeon_gart_fini(rdev);
 153 }
 154
 155
 156 /*
 157  * MC
 158  */
 159 void r100_mc_disable_clients(struct radeon_device *rdev)
 160 {
 161         uint32_t ov0_scale_cntl, crtc_ext_cntl, crtc_gen_cntl, crtc2_gen_cntl;
 162
 163         /* FIXME: is this function correct for rs100,rs200,rs300 ? */
 164         if (r100_gui_wait_for_idle(rdev)) {
 165                 printk(KERN_WARNING "Failed to wait GUI idle while "
 166                        "programming pipes. Bad things might happen.\n");
 167         }
 168
 169         /* stop display and memory access */
 170         ov0_scale_cntl = RREG32(RADEON_OV0_SCALE_CNTL);
 171         WREG32(RADEON_OV0_SCALE_CNTL, ov0_scale_cntl & ~RADEON_SCALER_ENABLE);
 172         crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
 173         WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl | RADEON_CRTC_DISPLAY_DIS);
 174         crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL);
 175
 176         r100_gpu_wait_for_vsync(rdev);
 177
 178         WREG32(RADEON_CRTC_GEN_CNTL,
 179                (crtc_gen_cntl & ~(RADEON_CRTC_CUR_EN | RADEON_CRTC_ICON_EN)) |
 180                RADEON_CRTC_DISP_REQ_EN_B | RADEON_CRTC_EXT_DISP_EN);
 181
 182         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
 183                 crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
 184
 185                 r100_gpu_wait_for_vsync2(rdev);
 186                 WREG32(RADEON_CRTC2_GEN_CNTL,
 187                        (crtc2_gen_cntl &
 188                         ~(RADEON_CRTC2_CUR_EN | RADEON_CRTC2_ICON_EN)) |
 189                        RADEON_CRTC2_DISP_REQ_EN_B);
 190         }
 191
 192         udelay(500);
 193 }
 194
 195 void r100_mc_setup(struct radeon_device *rdev)
 196 {
 197         uint32_t tmp;
 198         int r;
 199
 200         r = r100_debugfs_mc_info_init(rdev);
 201         if (r) {
 202                 DRM_ERROR("Failed to register debugfs file for R100 MC !\n");
 203         }
 204         /* Write VRAM size in case we are limiting it */
 205         WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
 206         /* Novell bug 204882 for RN50/M6/M7 with 8/16/32MB VRAM,
 207          * if the aperture is 64MB but we have 32MB VRAM
 208          * we report only 32MB VRAM but we have to set MC_FB_LOCATION
 209          * to 64MB, otherwise the gpu accidentially dies */
 210         tmp = rdev->mc.vram_location + rdev->mc.mc_vram_size - 1;
 211         tmp = REG_SET(RADEON_MC_FB_TOP, tmp >> 16);
 212         tmp |= REG_SET(RADEON_MC_FB_START, rdev->mc.vram_location >> 16);
 213         WREG32(RADEON_MC_FB_LOCATION, tmp);
 214
 215         /* Enable bus mastering */
 216         tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
 217         WREG32(RADEON_BUS_CNTL, tmp);
 218
 219         if (rdev->flags & RADEON_IS_AGP) {
 220                 tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
 221                 tmp = REG_SET(RADEON_MC_AGP_TOP, tmp >> 16);
 222                 tmp |= REG_SET(RADEON_MC_AGP_START, rdev->mc.gtt_location >> 16);
 223                 WREG32(RADEON_MC_AGP_LOCATION, tmp);
 224                 WREG32(RADEON_AGP_BASE, rdev->mc.agp_base);
 225         } else {
 226                 WREG32(RADEON_MC_AGP_LOCATION, 0x0FFFFFFF);
 227                 WREG32(RADEON_AGP_BASE, 0);
 228         }
 229
 230         tmp = RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL;
 231         tmp |= (7 << 28);
 232         WREG32(RADEON_HOST_PATH_CNTL, tmp | RADEON_HDP_SOFT_RESET | RADEON_HDP_READ_BUFFER_INVALIDATE);
 233         (void)RREG32(RADEON_HOST_PATH_CNTL);
 234         WREG32(RADEON_HOST_PATH_CNTL, tmp);
 235         (void)RREG32(RADEON_HOST_PATH_CNTL);
 236 }
 237
 238 int r100_mc_init(struct radeon_device *rdev)
 239 {
 240         int r;
 241
 242         if (r100_debugfs_rbbm_init(rdev)) {
 243                 DRM_ERROR("Failed to register debugfs file for RBBM !\n");
 244         }
 245
 246         r100_gpu_init(rdev);
 247         /* Disable gart which also disable out of gart access */
 248         r100_pci_gart_disable(rdev);
 249
 250         /* Setup GPU memory space */
 251         rdev->mc.gtt_location = 0xFFFFFFFFUL;
 252         if (rdev->flags & RADEON_IS_AGP) {
 253                 r = radeon_agp_init(rdev);
 254                 if (r) {
 255                         printk(KERN_WARNING "[drm] Disabling AGP\n");
 256                         rdev->flags &= ~RADEON_IS_AGP;
 257                         rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
 258                 } else {
 259                         rdev->mc.gtt_location = rdev->mc.agp_base;
 260                 }
 261         }
 262         r = radeon_mc_setup(rdev);
 263         if (r) {
 264                 return r;
 265         }
 266
 267         r100_mc_disable_clients(rdev);
 268         if (r100_mc_wait_for_idle(rdev)) {
 269                 printk(KERN_WARNING "Failed to wait MC idle while "
 270                        "programming pipes. Bad things might happen.\n");
 271         }
 272
 273         r100_mc_setup(rdev);
 274         return 0;
 275 }
 276
 277 void r100_mc_fini(struct radeon_device *rdev)
 278 {
 279 }
 280
 281
 282 /*
 283  * Interrupts
 284  */
 285 int r100_irq_set(struct radeon_device *rdev)
 286 {
 287         uint32_t tmp = 0;
 288
 289         if (rdev->irq.sw_int) {
 290                 tmp |= RADEON_SW_INT_ENABLE;
 291         }
 292         if (rdev->irq.crtc_vblank_int[0]) {
 293                 tmp |= RADEON_CRTC_VBLANK_MASK;
 294         }
 295         if (rdev->irq.crtc_vblank_int[1]) {
 296                 tmp |= RADEON_CRTC2_VBLANK_MASK;
 297         }
 298         WREG32(RADEON_GEN_INT_CNTL, tmp);
 299         return 0;
 300 }
 301
 302 void r100_irq_disable(struct radeon_device *rdev)
 303 {
 304         u32 tmp;
 305
 306         WREG32(R_000040_GEN_INT_CNTL, 0);
 307         /* Wait and acknowledge irq */
 308         mdelay(1);
 309         tmp = RREG32(R_000044_GEN_INT_STATUS);
 310         WREG32(R_000044_GEN_INT_STATUS, tmp);
 311 }
 312
 313 static inline uint32_t r100_irq_ack(struct radeon_device *rdev)
 314 {
 315         uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
 316         uint32_t irq_mask = RADEON_SW_INT_TEST | RADEON_CRTC_VBLANK_STAT |
 317                 RADEON_CRTC2_VBLANK_STAT;
 318
 319         if (irqs) {
 320                 WREG32(RADEON_GEN_INT_STATUS, irqs);
 321         }
 322         return irqs & irq_mask;
 323 }
 324
 325 int r100_irq_process(struct radeon_device *rdev)
 326 {
 327         uint32_t status;
 328
 329         status = r100_irq_ack(rdev);
 330         if (!status) {
 331                 return IRQ_NONE;
 332         }
 333         if (rdev->shutdown) {
 334                 return IRQ_NONE;
 335         }
 336         while (status) {
 337                 /* SW interrupt */
 338                 if (status & RADEON_SW_INT_TEST) {
 339                         radeon_fence_process(rdev);
 340                 }
 341                 /* Vertical blank interrupts */
 342                 if (status & RADEON_CRTC_VBLANK_STAT) {
 343                         drm_handle_vblank(rdev->ddev, 0);
 344                 }
 345                 if (status & RADEON_CRTC2_VBLANK_STAT) {
 346                         drm_handle_vblank(rdev->ddev, 1);
 347                 }
 348                 status = r100_irq_ack(rdev);
 349         }
 350         return IRQ_HANDLED;
 351 }
 352
 353 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
 354 {
 355         if (crtc == 0)
 356                 return RREG32(RADEON_CRTC_CRNT_FRAME);
 357         else
 358                 return RREG32(RADEON_CRTC2_CRNT_FRAME);
 359 }
 360
 361
 362 /*
 363  * Fence emission
 364  */
 365 void r100_fence_ring_emit(struct radeon_device *rdev,
 366                           struct radeon_fence *fence)
 367 {
 368         /* Who ever call radeon_fence_emit should call ring_lock and ask
 369          * for enough space (today caller are ib schedule and buffer move) */
 370         /* Wait until IDLE & CLEAN */
 371         radeon_ring_write(rdev, PACKET0(0x1720, 0));
 372         radeon_ring_write(rdev, (1 << 16) | (1 << 17));
 373         /* Emit fence sequence & fire IRQ */
 374         radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0));
 375         radeon_ring_write(rdev, fence->seq);
 376         radeon_ring_write(rdev, PACKET0(RADEON_GEN_INT_STATUS, 0));
 377         radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
 378 }
 379
 380
 381 /*
 382  * Writeback
 383  */
 384 int r100_wb_init(struct radeon_device *rdev)
 385 {
 386         int r;
 387
 388         if (rdev->wb.wb_obj == NULL) {
 389                 r = radeon_object_create(rdev, NULL, 4096,
 390                                          true,
 391                                          RADEON_GEM_DOMAIN_GTT,
 392                                          false, &rdev->wb.wb_obj);
 393                 if (r) {
 394                         DRM_ERROR("radeon: failed to create WB buffer (%d).\n", r);
 395                         return r;
 396                 }
 397                 r = radeon_object_pin(rdev->wb.wb_obj,
 398                                       RADEON_GEM_DOMAIN_GTT,
 399                                       &rdev->wb.gpu_addr);
 400                 if (r) {
 401                         DRM_ERROR("radeon: failed to pin WB buffer (%d).\n", r);
 402                         return r;
 403                 }
 404                 r = radeon_object_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb);
 405                 if (r) {
 406                         DRM_ERROR("radeon: failed to map WB buffer (%d).\n", r);
 407                         return r;
 408                 }
 409         }
 410         WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr);
 411         WREG32(R_00070C_CP_RB_RPTR_ADDR,
 412                 S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + 1024) >> 2));
 413         WREG32(R_000770_SCRATCH_UMSK, 0xff);
 414         return 0;
 415 }
 416
 417 void r100_wb_disable(struct radeon_device *rdev)
 418 {
 419         WREG32(R_000770_SCRATCH_UMSK, 0);
 420 }
 421
 422 void r100_wb_fini(struct radeon_device *rdev)
 423 {
 424         r100_wb_disable(rdev);
 425         if (rdev->wb.wb_obj) {
 426                 radeon_object_kunmap(rdev->wb.wb_obj);
 427                 radeon_object_unpin(rdev->wb.wb_obj);
 428                 radeon_object_unref(&rdev->wb.wb_obj);
 429                 rdev->wb.wb = NULL;
 430                 rdev->wb.wb_obj = NULL;
 431         }
 432 }
 433
 434 int r100_copy_blit(struct radeon_device *rdev,
 435                    uint64_t src_offset,
 436                    uint64_t dst_offset,
 437                    unsigned num_pages,
 438                    struct radeon_fence *fence)
 439 {
 440         uint32_t cur_pages;
 441         uint32_t stride_bytes = PAGE_SIZE;
 442         uint32_t pitch;
 443         uint32_t stride_pixels;
 444         unsigned ndw;
 445         int num_loops;
 446         int r = 0;
 447
 448         /* radeon limited to 16k stride */
 449         stride_bytes &= 0x3fff;
 450         /* radeon pitch is /64 */
 451         pitch = stride_bytes / 64;
 452         stride_pixels = stride_bytes / 4;
 453         num_loops = DIV_ROUND_UP(num_pages, 8191);
 454
 455         /* Ask for enough room for blit + flush + fence */
 456         ndw = 64 + (10 * num_loops);
 457         r = radeon_ring_lock(rdev, ndw);
 458         if (r) {
 459                 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
 460                 return -EINVAL;
 461         }
 462         while (num_pages > 0) {
 463                 cur_pages = num_pages;
 464                 if (cur_pages > 8191) {
 465                         cur_pages = 8191;
 466                 }
 467                 num_pages -= cur_pages;
 468
 469                 /* pages are in Y direction - height
 470                    page width in X direction - width */
 471                 radeon_ring_write(rdev, PACKET3(PACKET3_BITBLT_MULTI, 8));
 472                 radeon_ring_write(rdev,
 473                                   RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
 474                                   RADEON_GMC_DST_PITCH_OFFSET_CNTL |
 475                                   RADEON_GMC_SRC_CLIPPING |
 476                                   RADEON_GMC_DST_CLIPPING |
 477                                   RADEON_GMC_BRUSH_NONE |
 478                                   (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
 479                                   RADEON_GMC_SRC_DATATYPE_COLOR |
 480                                   RADEON_ROP3_S |
 481                                   RADEON_DP_SRC_SOURCE_MEMORY |
 482                                   RADEON_GMC_CLR_CMP_CNTL_DIS |
 483                                   RADEON_GMC_WR_MSK_DIS);
 484                 radeon_ring_write(rdev, (pitch << 22) | (src_offset >> 10));
 485                 radeon_ring_write(rdev, (pitch << 22) | (dst_offset >> 10));
 486                 radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
 487                 radeon_ring_write(rdev, 0);
 488                 radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
 489                 radeon_ring_write(rdev, num_pages);
 490                 radeon_ring_write(rdev, num_pages);
 491                 radeon_ring_write(rdev, cur_pages | (stride_pixels << 16));
 492         }
 493         radeon_ring_write(rdev, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
 494         radeon_ring_write(rdev, RADEON_RB2D_DC_FLUSH_ALL);
 495         radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
 496         radeon_ring_write(rdev,
 497                           RADEON_WAIT_2D_IDLECLEAN |
 498                           RADEON_WAIT_HOST_IDLECLEAN |
 499                           RADEON_WAIT_DMA_GUI_IDLE);
 500         if (fence) {
 501                 r = radeon_fence_emit(rdev, fence);
 502         }
 503         radeon_ring_unlock_commit(rdev);
 504         return r;
 505 }
 506
 507
 508 /*
 509  * CP
 510  */
 511 static int r100_cp_wait_for_idle(struct radeon_device *rdev)
 512 {
 513         unsigned i;
 514         u32 tmp;
 515
 516         for (i = 0; i < rdev->usec_timeout; i++) {
 517                 tmp = RREG32(R_000E40_RBBM_STATUS);
 518                 if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
 519                         return 0;
 520                 }
 521                 udelay(1);
 522         }
 523         return -1;
 524 }
 525
 526 void r100_ring_start(struct radeon_device *rdev)
 527 {
 528         int r;
 529
 530         r = radeon_ring_lock(rdev, 2);
 531         if (r) {
 532                 return;
 533         }
 534         radeon_ring_write(rdev, PACKET0(RADEON_ISYNC_CNTL, 0));
 535         radeon_ring_write(rdev,
 536                           RADEON_ISYNC_ANY2D_IDLE3D |
 537                           RADEON_ISYNC_ANY3D_IDLE2D |
 538                           RADEON_ISYNC_WAIT_IDLEGUI |
 539                           RADEON_ISYNC_CPSCRATCH_IDLEGUI);
 540         radeon_ring_unlock_commit(rdev);
 541 }
 542
 543
 544 /* Load the microcode for the CP */
 545 static int r100_cp_init_microcode(struct radeon_device *rdev)
 546 {
 547         struct platform_device *pdev;
 548         const char *fw_name = NULL;
 549         int err;
 550
 551         DRM_DEBUG("\n");
 552
 553         pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
 554         err = IS_ERR(pdev);
 555         if (err) {
 556                 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
 557                 return -EINVAL;
 558         }
 559         if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
 560             (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
 561             (rdev->family == CHIP_RS200)) {
 562                 DRM_INFO("Loading R100 Microcode\n");
 563                 fw_name = FIRMWARE_R100;
 564         } else if ((rdev->family == CHIP_R200) ||
 565                    (rdev->family == CHIP_RV250) ||
 566                    (rdev->family == CHIP_RV280) ||
 567                    (rdev->family == CHIP_RS300)) {
 568                 DRM_INFO("Loading R200 Microcode\n");
 569                 fw_name = FIRMWARE_R200;
 570         } else if ((rdev->family == CHIP_R300) ||
 571                    (rdev->family == CHIP_R350) ||
 572                    (rdev->family == CHIP_RV350) ||
 573                    (rdev->family == CHIP_RV380) ||
 574                    (rdev->family == CHIP_RS400) ||
 575                    (rdev->family == CHIP_RS480)) {
 576                 DRM_INFO("Loading R300 Microcode\n");
 577                 fw_name = FIRMWARE_R300;
 578         } else if ((rdev->family == CHIP_R420) ||
 579                    (rdev->family == CHIP_R423) ||
 580                    (rdev->family == CHIP_RV410)) {
 581                 DRM_INFO("Loading R400 Microcode\n");
 582                 fw_name = FIRMWARE_R420;
 583         } else if ((rdev->family == CHIP_RS690) ||
 584                    (rdev->family == CHIP_RS740)) {
 585                 DRM_INFO("Loading RS690/RS740 Microcode\n");
 586                 fw_name = FIRMWARE_RS690;
 587         } else if (rdev->family == CHIP_RS600) {
 588                 DRM_INFO("Loading RS600 Microcode\n");
 589                 fw_name = FIRMWARE_RS600;
 590         } else if ((rdev->family == CHIP_RV515) ||
 591                    (rdev->family == CHIP_R520) ||
 592                    (rdev->family == CHIP_RV530) ||
 593                    (rdev->family == CHIP_R580) ||
 594                    (rdev->family == CHIP_RV560) ||
 595                    (rdev->family == CHIP_RV570)) {
 596                 DRM_INFO("Loading R500 Microcode\n");
 597                 fw_name = FIRMWARE_R520;
 598         }
 599
 600         err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
 601         platform_device_unregister(pdev);
 602         if (err) {
 603                 printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
 604                        fw_name);
 605         } else if (rdev->me_fw->size % 8) {
 606                 printk(KERN_ERR
 607                        "radeon_cp: Bogus length %zu in firmware \"%s\"\n",
 608                        rdev->me_fw->size, fw_name);
 609                 err = -EINVAL;
 610                 release_firmware(rdev->me_fw);
 611                 rdev->me_fw = NULL;
 612         }
 613         return err;
 614 }
 615 static void r100_cp_load_microcode(struct radeon_device *rdev)
 616 {
 617         const __be32 *fw_data;
 618         int i, size;
 619
 620         if (r100_gui_wait_for_idle(rdev)) {
 621                 printk(KERN_WARNING "Failed to wait GUI idle while "
 622                        "programming pipes. Bad things might happen.\n");
 623         }
 624
 625         if (rdev->me_fw) {
 626                 size = rdev->me_fw->size / 4;
 627                 fw_data = (const __be32 *)&rdev->me_fw->data[0];
 628                 WREG32(RADEON_CP_ME_RAM_ADDR, 0);
 629                 for (i = 0; i < size; i += 2) {
 630                         WREG32(RADEON_CP_ME_RAM_DATAH,
 631                                be32_to_cpup(&fw_data[i]));
 632                         WREG32(RADEON_CP_ME_RAM_DATAL,
 633                                be32_to_cpup(&fw_data[i + 1]));
 634                 }
 635         }
 636 }
 637
 638 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
 639 {
 640         unsigned rb_bufsz;
 641         unsigned rb_blksz;
 642         unsigned max_fetch;
 643         unsigned pre_write_timer;
 644         unsigned pre_write_limit;
 645         unsigned indirect2_start;
 646         unsigned indirect1_start;
 647         uint32_t tmp;
 648         int r;
 649
 650         if (r100_debugfs_cp_init(rdev)) {
 651                 DRM_ERROR("Failed to register debugfs file for CP !\n");
 652         }
 653         /* Reset CP */
 654         tmp = RREG32(RADEON_CP_CSQ_STAT);
 655         if ((tmp & (1 << 31))) {
 656                 DRM_INFO("radeon: cp busy (0x%08X) resetting\n", tmp);
 657                 WREG32(RADEON_CP_CSQ_MODE, 0);
 658                 WREG32(RADEON_CP_CSQ_CNTL, 0);
 659                 WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_CP);
 660                 tmp = RREG32(RADEON_RBBM_SOFT_RESET);
 661                 mdelay(2);
 662                 WREG32(RADEON_RBBM_SOFT_RESET, 0);
 663                 tmp = RREG32(RADEON_RBBM_SOFT_RESET);
 664                 mdelay(2);
 665                 tmp = RREG32(RADEON_CP_CSQ_STAT);
 666                 if ((tmp & (1 << 31))) {
 667                         DRM_INFO("radeon: cp reset failed (0x%08X)\n", tmp);
 668                 }
 669         } else {
 670                 DRM_INFO("radeon: cp idle (0x%08X)\n", tmp);
 671         }
 672
 673         if (!rdev->me_fw) {
 674                 r = r100_cp_init_microcode(rdev);
 675                 if (r) {
 676                         DRM_ERROR("Failed to load firmware!\n");
 677                         return r;
 678                 }
 679         }
 680
 681         /* Align ring size */
 682         rb_bufsz = drm_order(ring_size / 8);
 683         ring_size = (1 << (rb_bufsz + 1)) * 4;
 684         r100_cp_load_microcode(rdev);
 685         r = radeon_ring_init(rdev, ring_size);
 686         if (r) {
 687                 return r;
 688         }
 689         /* Each time the cp read 1024 bytes (16 dword/quadword) update
 690          * the rptr copy in system ram */
 691         rb_blksz = 9;
 692         /* cp will read 128bytes at a time (4 dwords) */
 693         max_fetch = 1;
 694         rdev->cp.align_mask = 16 - 1;
 695         /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
 696         pre_write_timer = 64;
 697         /* Force CP_RB_WPTR write if written more than one time before the
 698          * delay expire
 699          */
 700         pre_write_limit = 0;
 701         /* Setup the cp cache like this (cache size is 96 dwords) :
 702          *      RING            0  to 15
 703          *      INDIRECT1       16 to 79
 704          *      INDIRECT2       80 to 95
 705          * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
 706          *    indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
 707          *    indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
 708          * Idea being that most of the gpu cmd will be through indirect1 buffer
 709          * so it gets the bigger cache.
 710          */
 711         indirect2_start = 80;
 712         indirect1_start = 16;
 713         /* cp setup */
 714         WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
 715         WREG32(RADEON_CP_RB_CNTL,
 716 #ifdef __BIG_ENDIAN
 717                RADEON_BUF_SWAP_32BIT |
 718 #endif
 719                REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
 720                REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
 721                REG_SET(RADEON_MAX_FETCH, max_fetch) |
 722                RADEON_RB_NO_UPDATE);
 723         /* Set ring address */
 724         DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)rdev->cp.gpu_addr);
 725         WREG32(RADEON_CP_RB_BASE, rdev->cp.gpu_addr);
 726         /* Force read & write ptr to 0 */
 727         tmp = RREG32(RADEON_CP_RB_CNTL);
 728         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
 729         WREG32(RADEON_CP_RB_RPTR_WR, 0);
 730         WREG32(RADEON_CP_RB_WPTR, 0);
 731         WREG32(RADEON_CP_RB_CNTL, tmp);
 732         udelay(10);
 733         rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
 734         rdev->cp.wptr = RREG32(RADEON_CP_RB_WPTR);
 735         /* Set cp mode to bus mastering & enable cp*/
 736         WREG32(RADEON_CP_CSQ_MODE,
 737                REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
 738                REG_SET(RADEON_INDIRECT1_START, indirect1_start));
 739         WREG32(0x718, 0);
 740         WREG32(0x744, 0x00004D4D);
 741         WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
 742         radeon_ring_start(rdev);
 743         r = radeon_ring_test(rdev);
 744         if (r) {
 745                 DRM_ERROR("radeon: cp isn't working (%d).\n", r);
 746                 return r;
 747         }
 748         rdev->cp.ready = true;
 749         return 0;
 750 }
 751
 752 void r100_cp_fini(struct radeon_device *rdev)
 753 {
 754         if (r100_cp_wait_for_idle(rdev)) {
 755                 DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
 756         }
 757         /* Disable ring */
 758         r100_cp_disable(rdev);
 759         radeon_ring_fini(rdev);
 760         DRM_INFO("radeon: cp finalized\n");
 761 }
 762
 763 void r100_cp_disable(struct radeon_device *rdev)
 764 {
 765         /* Disable ring */
 766         rdev->cp.ready = false;
 767         WREG32(RADEON_CP_CSQ_MODE, 0);
 768         WREG32(RADEON_CP_CSQ_CNTL, 0);
 769         if (r100_gui_wait_for_idle(rdev)) {
 770                 printk(KERN_WARNING "Failed to wait GUI idle while "
 771                        "programming pipes. Bad things might happen.\n");
 772         }
 773 }
 774
 775 int r100_cp_reset(struct radeon_device *rdev)
 776 {
 777         uint32_t tmp;
 778         bool reinit_cp;
 779         int i;
 780
 781         reinit_cp = rdev->cp.ready;
 782         rdev->cp.ready = false;
 783         WREG32(RADEON_CP_CSQ_MODE, 0);
 784         WREG32(RADEON_CP_CSQ_CNTL, 0);
 785         WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_CP);
 786         (void)RREG32(RADEON_RBBM_SOFT_RESET);
 787         udelay(200);
 788         WREG32(RADEON_RBBM_SOFT_RESET, 0);
 789         /* Wait to prevent race in RBBM_STATUS */
 790         mdelay(1);
 791         for (i = 0; i < rdev->usec_timeout; i++) {
 792                 tmp = RREG32(RADEON_RBBM_STATUS);
 793                 if (!(tmp & (1 << 16))) {
 794                         DRM_INFO("CP reset succeed (RBBM_STATUS=0x%08X)\n",
 795                                  tmp);
 796                         if (reinit_cp) {
 797                                 return r100_cp_init(rdev, rdev->cp.ring_size);
 798                         }
 799                         return 0;
 800                 }
 801                 DRM_UDELAY(1);
 802         }
 803         tmp = RREG32(RADEON_RBBM_STATUS);
 804         DRM_ERROR("Failed to reset CP (RBBM_STATUS=0x%08X)!\n", tmp);
 805         return -1;
 806 }
 807
 808 void r100_cp_commit(struct radeon_device *rdev)
 809 {
 810         WREG32(RADEON_CP_RB_WPTR, rdev->cp.wptr);
 811         (void)RREG32(RADEON_CP_RB_WPTR);
 812 }
 813
 814
 815 /*
 816  * CS functions
 817  */
 818 int r100_cs_parse_packet0(struct radeon_cs_parser *p,
 819                           struct radeon_cs_packet *pkt,
 820                           const unsigned *auth, unsigned n,
 821                           radeon_packet0_check_t check)
 822 {
 823         unsigned reg;
 824         unsigned i, j, m;
 825         unsigned idx;
 826         int r;
 827
 828         idx = pkt->idx + 1;
 829         reg = pkt->reg;
 830         /* Check that register fall into register range
 831          * determined by the number of entry (n) in the
 832          * safe register bitmap.
 833          */
 834         if (pkt->one_reg_wr) {
 835                 if ((reg >> 7) > n) {
 836                         return -EINVAL;
 837                 }
 838         } else {
 839                 if (((reg + (pkt->count << 2)) >> 7) > n) {
 840                         return -EINVAL;
 841                 }
 842         }
 843         for (i = 0; i <= pkt->count; i++, idx++) {
 844                 j = (reg >> 7);
 845                 m = 1 << ((reg >> 2) & 31);
 846                 if (auth[j] & m) {
 847                         r = check(p, pkt, idx, reg);
 848                         if (r) {
 849                                 return r;
 850                         }
 851                 }
 852                 if (pkt->one_reg_wr) {
 853                         if (!(auth[j] & m)) {
 854                                 break;
 855                         }
 856                 } else {
 857                         reg += 4;
 858                 }
 859         }
 860         return 0;
 861 }
 862
 863 void r100_cs_dump_packet(struct radeon_cs_parser *p,
 864                          struct radeon_cs_packet *pkt)
 865 {
 866         volatile uint32_t *ib;
 867         unsigned i;
 868         unsigned idx;
 869
 870         ib = p->ib->ptr;
 871         idx = pkt->idx;
 872         for (i = 0; i <= (pkt->count + 1); i++, idx++) {
 873                 DRM_INFO("ib[%d]=0x%08X\n", idx, ib[idx]);
 874         }
 875 }
 876
 877 /**
 878  * r100_cs_packet_parse() - parse cp packet and point ib index to next packet
 879  * @parser:     parser structure holding parsing context.
 880  * @pkt:        where to store packet informations
 881  *
 882  * Assume that chunk_ib_index is properly set. Will return -EINVAL
 883  * if packet is bigger than remaining ib size. or if packets is unknown.
 884  **/
 885 int r100_cs_packet_parse(struct radeon_cs_parser *p,
 886                          struct radeon_cs_packet *pkt,
 887                          unsigned idx)
 888 {
 889         struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
 890         uint32_t header;
 891
 892         if (idx >= ib_chunk->length_dw) {
 893                 DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
 894                           idx, ib_chunk->length_dw);
 895                 return -EINVAL;
 896         }
 897         header = radeon_get_ib_value(p, idx);
 898         pkt->idx = idx;
 899         pkt->type = CP_PACKET_GET_TYPE(header);
 900         pkt->count = CP_PACKET_GET_COUNT(header);
 901         switch (pkt->type) {
 902         case PACKET_TYPE0:
 903                 pkt->reg = CP_PACKET0_GET_REG(header);
 904                 pkt->one_reg_wr = CP_PACKET0_GET_ONE_REG_WR(header);
 905                 break;
 906         case PACKET_TYPE3:
 907                 pkt->opcode = CP_PACKET3_GET_OPCODE(header);
 908                 break;
 909         case PACKET_TYPE2:
 910                 pkt->count = -1;
 911                 break;
 912         default:
 913                 DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
 914                 return -EINVAL;
 915         }
 916         if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
 917                 DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
 918                           pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
 919                 return -EINVAL;
 920         }
 921         return 0;
 922 }
 923
 924 /**
 925  * r100_cs_packet_next_vline() - parse userspace VLINE packet
 926  * @parser:             parser structure holding parsing context.
 927  *
 928  * Userspace sends a special sequence for VLINE waits.
 929  * PACKET0 - VLINE_START_END + value
 930  * PACKET0 - WAIT_UNTIL +_value
 931  * RELOC (P3) - crtc_id in reloc.
 932  *
 933  * This function parses this and relocates the VLINE START END
 934  * and WAIT UNTIL packets to the correct crtc.
 935  * It also detects a switched off crtc and nulls out the
 936  * wait in that case.
 937  */
 938 int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
 939 {
 940         struct drm_mode_object *obj;
 941         struct drm_crtc *crtc;
 942         struct radeon_crtc *radeon_crtc;
 943         struct radeon_cs_packet p3reloc, waitreloc;
 944         int crtc_id;
 945         int r;
 946         uint32_t header, h_idx, reg;
 947         volatile uint32_t *ib;
 948
 949         ib = p->ib->ptr;
 950
 951         /* parse the wait until */
 952         r = r100_cs_packet_parse(p, &waitreloc, p->idx);
 953         if (r)
 954                 return r;
 955
 956         /* check its a wait until and only 1 count */
 957         if (waitreloc.reg != RADEON_WAIT_UNTIL ||
 958             waitreloc.count != 0) {
 959                 DRM_ERROR("vline wait had illegal wait until segment\n");
 960                 r = -EINVAL;
 961                 return r;
 962         }
 963
 964         if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) {
 965                 DRM_ERROR("vline wait had illegal wait until\n");
 966                 r = -EINVAL;
 967                 return r;
 968         }
 969
 970         /* jump over the NOP */
 971         r = r100_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
 972         if (r)
 973                 return r;
 974
 975         h_idx = p->idx - 2;
 976         p->idx += waitreloc.count + 2;
 977         p->idx += p3reloc.count + 2;
 978
 979         header = radeon_get_ib_value(p, h_idx);
 980         crtc_id = radeon_get_ib_value(p, h_idx + 5);
 981         reg = header >> 2;
 982         mutex_lock(&p->rdev->ddev->mode_config.mutex);
 983         obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
 984         if (!obj) {
 985                 DRM_ERROR("cannot find crtc %d\n", crtc_id);
 986                 r = -EINVAL;
 987                 goto out;
 988         }
 989         crtc = obj_to_crtc(obj);
 990         radeon_crtc = to_radeon_crtc(crtc);
 991         crtc_id = radeon_crtc->crtc_id;
 992
 993         if (!crtc->enabled) {
 994                 /* if the CRTC isn't enabled - we need to nop out the wait until */
 995                 ib[h_idx + 2] = PACKET2(0);
 996                 ib[h_idx + 3] = PACKET2(0);
 997         } else if (crtc_id == 1) {
 998                 switch (reg) {
 999                 case AVIVO_D1MODE_VLINE_START_END:
1000                         header &= ~R300_CP_PACKET0_REG_MASK;
1001                         header |= AVIVO_D2MODE_VLINE_START_END >> 2;
1002                         break;
1003                 case RADEON_CRTC_GUI_TRIG_VLINE:
1004                         header &= ~R300_CP_PACKET0_REG_MASK;
1005                         header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2;
1006                         break;
1007                 default:
1008                         DRM_ERROR("unknown crtc reloc\n");
1009                         r = -EINVAL;
1010                         goto out;
1011                 }
1012                 ib[h_idx] = header;
1013                 ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1;
1014         }
1015 out:
1016         mutex_unlock(&p->rdev->ddev->mode_config.mutex);
1017         return r;
1018 }
1019
1020 /**
1021  * r100_cs_packet_next_reloc() - parse next packet which should be reloc packet3
1022  * @parser:             parser structure holding parsing context.
1023  * @data:               pointer to relocation data
1024  * @offset_start:       starting offset
1025  * @offset_mask:        offset mask (to align start offset on)
1026  * @reloc:              reloc informations
1027  *
1028  * Check next packet is relocation packet3, do bo validation and compute
1029  * GPU offset using the provided start.
1030  **/
1031 int r100_cs_packet_next_reloc(struct radeon_cs_parser *p,
1032                               struct radeon_cs_reloc **cs_reloc)
1033 {
1034         struct radeon_cs_chunk *relocs_chunk;
1035         struct radeon_cs_packet p3reloc;
1036         unsigned idx;
1037         int r;
1038
1039         if (p->chunk_relocs_idx == -1) {
1040                 DRM_ERROR("No relocation chunk !\n");
1041                 return -EINVAL;
1042         }
1043         *cs_reloc = NULL;
1044         relocs_chunk = &p->chunks[p->chunk_relocs_idx];
1045         r = r100_cs_packet_parse(p, &p3reloc, p->idx);
1046         if (r) {
1047                 return r;
1048         }
1049         p->idx += p3reloc.count + 2;
1050         if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
1051                 DRM_ERROR("No packet3 for relocation for packet at %d.\n",
1052                           p3reloc.idx);
1053                 r100_cs_dump_packet(p, &p3reloc);
1054                 return -EINVAL;
1055         }
1056         idx = radeon_get_ib_value(p, p3reloc.idx + 1);
1057         if (idx >= relocs_chunk->length_dw) {
1058                 DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
1059                           idx, relocs_chunk->length_dw);
1060                 r100_cs_dump_packet(p, &p3reloc);
1061                 return -EINVAL;
1062         }
1063         /* FIXME: we assume reloc size is 4 dwords */
1064         *cs_reloc = p->relocs_ptr[(idx / 4)];
1065         return 0;
1066 }
1067
1068 static int r100_get_vtx_size(uint32_t vtx_fmt)
1069 {
1070         int vtx_size;
1071         vtx_size = 2;
1072         /* ordered according to bits in spec */
1073         if (vtx_fmt & RADEON_SE_VTX_FMT_W0)
1074                 vtx_size++;
1075         if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR)
1076                 vtx_size += 3;
1077         if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA)
1078                 vtx_size++;
1079         if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR)
1080                 vtx_size++;
1081         if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC)
1082                 vtx_size += 3;
1083         if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG)
1084                 vtx_size++;
1085         if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC)
1086                 vtx_size++;
1087         if (vtx_fmt & RADEON_SE_VTX_FMT_ST0)
1088                 vtx_size += 2;
1089         if (vtx_fmt & RADEON_SE_VTX_FMT_ST1)
1090                 vtx_size += 2;
1091         if (vtx_fmt & RADEON_SE_VTX_FMT_Q1)
1092                 vtx_size++;
1093         if (vtx_fmt & RADEON_SE_VTX_FMT_ST2)
1094                 vtx_size += 2;
1095         if (vtx_fmt & RADEON_SE_VTX_FMT_Q2)
1096                 vtx_size++;
1097         if (vtx_fmt & RADEON_SE_VTX_FMT_ST3)
1098                 vtx_size += 2;
1099         if (vtx_fmt & RADEON_SE_VTX_FMT_Q3)
1100                 vtx_size++;
1101         if (vtx_fmt & RADEON_SE_VTX_FMT_Q0)
1102                 vtx_size++;
1103         /* blend weight */
1104         if (vtx_fmt & (0x7 << 15))
1105                 vtx_size += (vtx_fmt >> 15) & 0x7;
1106         if (vtx_fmt & RADEON_SE_VTX_FMT_N0)
1107                 vtx_size += 3;
1108         if (vtx_fmt & RADEON_SE_VTX_FMT_XY1)
1109                 vtx_size += 2;
1110         if (vtx_fmt & RADEON_SE_VTX_FMT_Z1)
1111                 vtx_size++;
1112         if (vtx_fmt & RADEON_SE_VTX_FMT_W1)
1113                 vtx_size++;
1114         if (vtx_fmt & RADEON_SE_VTX_FMT_N1)
1115                 vtx_size++;
1116         if (vtx_fmt & RADEON_SE_VTX_FMT_Z)
1117                 vtx_size++;
1118         return vtx_size;
1119 }
1120
1121 static int r100_packet0_check(struct radeon_cs_parser *p,
1122                               struct radeon_cs_packet *pkt,
1123                               unsigned idx, unsigned reg)
1124 {
1125         struct radeon_cs_reloc *reloc;
1126         struct r100_cs_track *track;
1127         volatile uint32_t *ib;
1128         uint32_t tmp;
1129         int r;
1130         int i, face;
1131         u32 tile_flags = 0;
1132         u32 idx_value;
1133
1134         ib = p->ib->ptr;
1135         track = (struct r100_cs_track *)p->track;
1136
1137         idx_value = radeon_get_ib_value(p, idx);
1138
1139         switch (reg) {
1140         case RADEON_CRTC_GUI_TRIG_VLINE:
1141                 r = r100_cs_packet_parse_vline(p);
1142                 if (r) {
1143                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1144                                   idx, reg);
1145                         r100_cs_dump_packet(p, pkt);
1146                         return r;
1147                 }
1148                 break;
1149                 /* FIXME: only allow PACKET3 blit? easier to check for out of
1150                  * range access */
1151         case RADEON_DST_PITCH_OFFSET:
1152         case RADEON_SRC_PITCH_OFFSET:
1153                 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
1154                 if (r)
1155                         return r;
1156                 break;
1157         case RADEON_RB3D_DEPTHOFFSET:
1158                 r = r100_cs_packet_next_reloc(p, &reloc);
1159                 if (r) {
1160                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1161                                   idx, reg);
1162                         r100_cs_dump_packet(p, pkt);
1163                         return r;
1164                 }
1165                 track->zb.robj = reloc->robj;
1166                 track->zb.offset = idx_value;
1167                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1168                 break;
1169         case RADEON_RB3D_COLOROFFSET:
1170                 r = r100_cs_packet_next_reloc(p, &reloc);
1171                 if (r) {
1172                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1173                                   idx, reg);
1174                         r100_cs_dump_packet(p, pkt);
1175                         return r;
1176                 }
1177                 track->cb[0].robj = reloc->robj;
1178                 track->cb[0].offset = idx_value;
1179                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1180                 break;
1181         case RADEON_PP_TXOFFSET_0:
1182         case RADEON_PP_TXOFFSET_1:
1183         case RADEON_PP_TXOFFSET_2:
1184                 i = (reg - RADEON_PP_TXOFFSET_0) / 24;
1185                 r = r100_cs_packet_next_reloc(p, &reloc);
1186                 if (r) {
1187                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1188                                   idx, reg);
1189                         r100_cs_dump_packet(p, pkt);
1190                         return r;
1191                 }
1192                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1193                 track->textures[i].robj = reloc->robj;
1194                 break;
1195         case RADEON_PP_CUBIC_OFFSET_T0_0:
1196         case RADEON_PP_CUBIC_OFFSET_T0_1:
1197         case RADEON_PP_CUBIC_OFFSET_T0_2:
1198         case RADEON_PP_CUBIC_OFFSET_T0_3:
1199         case RADEON_PP_CUBIC_OFFSET_T0_4:
1200                 i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4;
1201                 r = r100_cs_packet_next_reloc(p, &reloc);
1202                 if (r) {
1203                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1204                                   idx, reg);
1205                         r100_cs_dump_packet(p, pkt);
1206                         return r;
1207                 }
1208                 track->textures[0].cube_info[i].offset = idx_value;
1209                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1210                 track->textures[0].cube_info[i].robj = reloc->robj;
1211                 break;
1212         case RADEON_PP_CUBIC_OFFSET_T1_0:
1213         case RADEON_PP_CUBIC_OFFSET_T1_1:
1214         case RADEON_PP_CUBIC_OFFSET_T1_2:
1215         case RADEON_PP_CUBIC_OFFSET_T1_3:
1216         case RADEON_PP_CUBIC_OFFSET_T1_4:
1217                 i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4;
1218                 r = r100_cs_packet_next_reloc(p, &reloc);
1219                 if (r) {
1220                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1221                                   idx, reg);
1222                         r100_cs_dump_packet(p, pkt);
1223                         return r;
1224                 }
1225                 track->textures[1].cube_info[i].offset = idx_value;
1226                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1227                 track->textures[1].cube_info[i].robj = reloc->robj;
1228                 break;
1229         case RADEON_PP_CUBIC_OFFSET_T2_0:
1230         case RADEON_PP_CUBIC_OFFSET_T2_1:
1231         case RADEON_PP_CUBIC_OFFSET_T2_2:
1232         case RADEON_PP_CUBIC_OFFSET_T2_3:
1233         case RADEON_PP_CUBIC_OFFSET_T2_4:
1234                 i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4;
1235                 r = r100_cs_packet_next_reloc(p, &reloc);
1236                 if (r) {
1237                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1238                                   idx, reg);
1239                         r100_cs_dump_packet(p, pkt);
1240                         return r;
1241                 }
1242                 track->textures[2].cube_info[i].offset = idx_value;
1243                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1244                 track->textures[2].cube_info[i].robj = reloc->robj;
1245                 break;
1246         case RADEON_RE_WIDTH_HEIGHT:
1247                 track->maxy = ((idx_value >> 16) & 0x7FF);
1248                 break;
1249         case RADEON_RB3D_COLORPITCH:
1250                 r = r100_cs_packet_next_reloc(p, &reloc);
1251                 if (r) {
1252                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1253                                   idx, reg);
1254                         r100_cs_dump_packet(p, pkt);
1255                         return r;
1256                 }
1257
1258                 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
1259                         tile_flags |= RADEON_COLOR_TILE_ENABLE;
1260                 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
1261                         tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
1262
1263                 tmp = idx_value & ~(0x7 << 16);
1264                 tmp |= tile_flags;
1265                 ib[idx] = tmp;
1266
1267                 track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
1268                 break;
1269         case RADEON_RB3D_DEPTHPITCH:
1270                 track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
1271                 break;
1272         case RADEON_RB3D_CNTL:
1273                 switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
1274                 case 7:
1275                 case 8:
1276                 case 9:
1277                 case 11:
1278                 case 12:
1279                         track->cb[0].cpp = 1;
1280                         break;
1281                 case 3:
1282                 case 4:
1283                 case 15:
1284                         track->cb[0].cpp = 2;
1285                         break;
1286                 case 6:
1287                         track->cb[0].cpp = 4;
1288                         break;
1289                 default:
1290                         DRM_ERROR("Invalid color buffer format (%d) !\n",
1291                                   ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
1292                         return -EINVAL;
1293                 }
1294                 track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
1295                 break;
1296         case RADEON_RB3D_ZSTENCILCNTL:
1297                 switch (idx_value & 0xf) {
1298                 case 0:
1299                         track->zb.cpp = 2;
1300                         break;
1301                 case 2:
1302                 case 3:
1303                 case 4:
1304                 case 5:
1305                 case 9:
1306                 case 11:
1307                         track->zb.cpp = 4;
1308                         break;
1309                 default:
1310                         break;
1311                 }
1312                 break;
1313         case RADEON_RB3D_ZPASS_ADDR:
1314                 r = r100_cs_packet_next_reloc(p, &reloc);
1315                 if (r) {
1316                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1317                                   idx, reg);
1318                         r100_cs_dump_packet(p, pkt);
1319                         return r;
1320                 }
1321                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1322                 break;
1323         case RADEON_PP_CNTL:
1324                 {
1325                         uint32_t temp = idx_value >> 4;
1326                         for (i = 0; i < track->num_texture; i++)
1327                                 track->textures[i].enabled = !!(temp & (1 << i));
1328                 }
1329                 break;
1330         case RADEON_SE_VF_CNTL:
1331                 track->vap_vf_cntl = idx_value;
1332                 break;
1333         case RADEON_SE_VTX_FMT:
1334                 track->vtx_size = r100_get_vtx_size(idx_value);
1335                 break;
1336         case RADEON_PP_TEX_SIZE_0:
1337         case RADEON_PP_TEX_SIZE_1:
1338         case RADEON_PP_TEX_SIZE_2:
1339                 i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
1340                 track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
1341                 track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
1342                 break;
1343         case RADEON_PP_TEX_PITCH_0:
1344         case RADEON_PP_TEX_PITCH_1:
1345         case RADEON_PP_TEX_PITCH_2:
1346                 i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
1347                 track->textures[i].pitch = idx_value + 32;
1348                 break;
1349         case RADEON_PP_TXFILTER_0:
1350         case RADEON_PP_TXFILTER_1:
1351         case RADEON_PP_TXFILTER_2:
1352                 i = (reg - RADEON_PP_TXFILTER_0) / 24;
1353                 track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK)
1354                                                  >> RADEON_MAX_MIP_LEVEL_SHIFT);
1355                 tmp = (idx_value >> 23) & 0x7;
1356                 if (tmp == 2 || tmp == 6)
1357                         track->textures[i].roundup_w = false;
1358                 tmp = (idx_value >> 27) & 0x7;
1359                 if (tmp == 2 || tmp == 6)
1360                         track->textures[i].roundup_h = false;
1361                 break;
1362         case RADEON_PP_TXFORMAT_0:
1363         case RADEON_PP_TXFORMAT_1:
1364         case RADEON_PP_TXFORMAT_2:
1365                 i = (reg - RADEON_PP_TXFORMAT_0) / 24;
1366                 if (idx_value & RADEON_TXFORMAT_NON_POWER2) {
1367                         track->textures[i].use_pitch = 1;
1368                 } else {
1369                         track->textures[i].use_pitch = 0;
1370                         track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
1371                         track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
1372                 }
1373                 if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
1374                         track->textures[i].tex_coord_type = 2;
1375                 switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
1376                 case RADEON_TXFORMAT_I8:
1377                 case RADEON_TXFORMAT_RGB332:
1378                 case RADEON_TXFORMAT_Y8:
1379                         track->textures[i].cpp = 1;
1380                         break;
1381                 case RADEON_TXFORMAT_AI88:
1382                 case RADEON_TXFORMAT_ARGB1555:
1383                 case RADEON_TXFORMAT_RGB565:
1384                 case RADEON_TXFORMAT_ARGB4444:
1385                 case RADEON_TXFORMAT_VYUY422:
1386                 case RADEON_TXFORMAT_YVYU422:
1387                 case RADEON_TXFORMAT_DXT1:
1388                 case RADEON_TXFORMAT_SHADOW16:
1389                 case RADEON_TXFORMAT_LDUDV655:
1390                 case RADEON_TXFORMAT_DUDV88:
1391                         track->textures[i].cpp = 2;
1392                         break;
1393                 case RADEON_TXFORMAT_ARGB8888:
1394                 case RADEON_TXFORMAT_RGBA8888:
1395                 case RADEON_TXFORMAT_DXT23:
1396                 case RADEON_TXFORMAT_DXT45:
1397                 case RADEON_TXFORMAT_SHADOW32:
1398                 case RADEON_TXFORMAT_LDUDUV8888:
1399                         track->textures[i].cpp = 4;
1400                         break;
1401                 }
1402                 track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
1403                 track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
1404                 break;
1405         case RADEON_PP_CUBIC_FACES_0:
1406         case RADEON_PP_CUBIC_FACES_1:
1407         case RADEON_PP_CUBIC_FACES_2:
1408                 tmp = idx_value;
1409                 i = (reg - RADEON_PP_CUBIC_FACES_0) / 4;
1410                 for (face = 0; face < 4; face++) {
1411                         track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
1412                         track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
1413                 }
1414                 break;
1415         default:
1416                 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1417                        reg, idx);
1418                 return -EINVAL;
1419         }
1420         return 0;
1421 }
1422
1423 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
1424                                          struct radeon_cs_packet *pkt,
1425                                          struct radeon_object *robj)
1426 {
1427         unsigned idx;
1428         u32 value;
1429         idx = pkt->idx + 1;
1430         value = radeon_get_ib_value(p, idx + 2);
1431         if ((value + 1) > radeon_object_size(robj)) {
1432                 DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
1433                           "(need %u have %lu) !\n",
1434                           value + 1,
1435                           radeon_object_size(robj));
1436                 return -EINVAL;
1437         }
1438         return 0;
1439 }
1440
1441 static int r100_packet3_check(struct radeon_cs_parser *p,
1442                               struct radeon_cs_packet *pkt)
1443 {
1444         struct radeon_cs_reloc *reloc;
1445         struct r100_cs_track *track;
1446         unsigned idx;
1447         volatile uint32_t *ib;
1448         int r;
1449
1450         ib = p->ib->ptr;
1451         idx = pkt->idx + 1;
1452         track = (struct r100_cs_track *)p->track;
1453         switch (pkt->opcode) {
1454         case PACKET3_3D_LOAD_VBPNTR:
1455                 r = r100_packet3_load_vbpntr(p, pkt, idx);
1456                 if (r)
1457                         return r;
1458                 break;
1459         case PACKET3_INDX_BUFFER:
1460                 r = r100_cs_packet_next_reloc(p, &reloc);
1461                 if (r) {
1462                         DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1463                         r100_cs_dump_packet(p, pkt);
1464                         return r;
1465                 }
1466                 ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->lobj.gpu_offset);
1467                 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1468                 if (r) {
1469                         return r;
1470                 }
1471                 break;
1472         case 0x23:
1473                 /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
1474                 r = r100_cs_packet_next_reloc(p, &reloc);
1475                 if (r) {
1476                         DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1477                         r100_cs_dump_packet(p, pkt);
1478                         return r;
1479                 }
1480                 ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->lobj.gpu_offset);
1481                 track->num_arrays = 1;
1482                 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
1483
1484                 track->arrays[0].robj = reloc->robj;
1485                 track->arrays[0].esize = track->vtx_size;
1486
1487                 track->max_indx = radeon_get_ib_value(p, idx+1);
1488
1489                 track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
1490                 track->immd_dwords = pkt->count - 1;
1491                 r = r100_cs_track_check(p->rdev, track);
1492                 if (r)
1493                         return r;
1494                 break;
1495         case PACKET3_3D_DRAW_IMMD:
1496                 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1497                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1498                         return -EINVAL;
1499                 }
1500                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1501                 track->immd_dwords = pkt->count - 1;
1502                 r = r100_cs_track_check(p->rdev, track);
1503                 if (r)
1504                         return r;
1505                 break;
1506                 /* triggers drawing using in-packet vertex data */
1507         case PACKET3_3D_DRAW_IMMD_2:
1508                 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1509                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1510                         return -EINVAL;
1511                 }
1512                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1513                 track->immd_dwords = pkt->count;
1514                 r = r100_cs_track_check(p->rdev, track);
1515                 if (r)
1516                         return r;
1517                 break;
1518                 /* triggers drawing using in-packet vertex data */
1519         case PACKET3_3D_DRAW_VBUF_2:
1520                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1521                 r = r100_cs_track_check(p->rdev, track);
1522                 if (r)
1523                         return r;
1524                 break;
1525                 /* triggers drawing of vertex buffers setup elsewhere */
1526         case PACKET3_3D_DRAW_INDX_2:
1527                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1528                 r = r100_cs_track_check(p->rdev, track);
1529                 if (r)
1530                         return r;
1531                 break;
1532                 /* triggers drawing using indices to vertex buffer */
1533         case PACKET3_3D_DRAW_VBUF:
1534                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1535                 r = r100_cs_track_check(p->rdev, track);
1536                 if (r)
1537                         return r;
1538                 break;
1539                 /* triggers drawing of vertex buffers setup elsewhere */
1540         case PACKET3_3D_DRAW_INDX:
1541                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1542                 r = r100_cs_track_check(p->rdev, track);
1543                 if (r)
1544                         return r;
1545                 break;
1546                 /* triggers drawing using indices to vertex buffer */
1547         case PACKET3_NOP:
1548                 break;
1549         default:
1550                 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1551                 return -EINVAL;
1552         }
1553         return 0;
1554 }
1555
1556 int r100_cs_parse(struct radeon_cs_parser *p)
1557 {
1558         struct radeon_cs_packet pkt;
1559         struct r100_cs_track *track;
1560         int r;
1561
1562         track = kzalloc(sizeof(*track), GFP_KERNEL);
1563         r100_cs_track_clear(p->rdev, track);
1564         p->track = track;
1565         do {
1566                 r = r100_cs_packet_parse(p, &pkt, p->idx);
1567                 if (r) {
1568                         return r;
1569                 }
1570                 p->idx += pkt.count + 2;
1571                 switch (pkt.type) {
1572                         case PACKET_TYPE0:
1573                                 if (p->rdev->family >= CHIP_R200)
1574                                         r = r100_cs_parse_packet0(p, &pkt,
1575                                                                   p->rdev->config.r100.reg_safe_bm,
1576                                                                   p->rdev->config.r100.reg_safe_bm_size,
1577                                                                   &r200_packet0_check);
1578                                 else
1579                                         r = r100_cs_parse_packet0(p, &pkt,
1580                                                                   p->rdev->config.r100.reg_safe_bm,
1581                                                                   p->rdev->config.r100.reg_safe_bm_size,
1582                                                                   &r100_packet0_check);
1583                                 break;
1584                         case PACKET_TYPE2:
1585                                 break;
1586                         case PACKET_TYPE3:
1587                                 r = r100_packet3_check(p, &pkt);
1588                                 break;
1589                         default:
1590                                 DRM_ERROR("Unknown packet type %d !\n",
1591                                           pkt.type);
1592                                 return -EINVAL;
1593                 }
1594                 if (r) {
1595                         return r;
1596                 }
1597         } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
1598         return 0;
1599 }
1600
1601
1602 /*
1603  * Global GPU functions
1604  */
1605 void r100_errata(struct radeon_device *rdev)
1606 {
1607         rdev->pll_errata = 0;
1608
1609         if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
1610                 rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
1611         }
1612
1613         if (rdev->family == CHIP_RV100 ||
1614             rdev->family == CHIP_RS100 ||
1615             rdev->family == CHIP_RS200) {
1616                 rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
1617         }
1618 }
1619
1620 /* Wait for vertical sync on primary CRTC */
1621 void r100_gpu_wait_for_vsync(struct radeon_device *rdev)
1622 {
1623         uint32_t crtc_gen_cntl, tmp;
1624         int i;
1625
1626         crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL);
1627         if ((crtc_gen_cntl & RADEON_CRTC_DISP_REQ_EN_B) ||
1628             !(crtc_gen_cntl & RADEON_CRTC_EN)) {
1629                 return;
1630         }
1631         /* Clear the CRTC_VBLANK_SAVE bit */
1632         WREG32(RADEON_CRTC_STATUS, RADEON_CRTC_VBLANK_SAVE_CLEAR);
1633         for (i = 0; i < rdev->usec_timeout; i++) {
1634                 tmp = RREG32(RADEON_CRTC_STATUS);
1635                 if (tmp & RADEON_CRTC_VBLANK_SAVE) {
1636                         return;
1637                 }
1638                 DRM_UDELAY(1);
1639         }
1640 }
1641
1642 /* Wait for vertical sync on secondary CRTC */
1643 void r100_gpu_wait_for_vsync2(struct radeon_device *rdev)
1644 {
1645         uint32_t crtc2_gen_cntl, tmp;
1646         int i;
1647
1648         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1649         if ((crtc2_gen_cntl & RADEON_CRTC2_DISP_REQ_EN_B) ||
1650             !(crtc2_gen_cntl & RADEON_CRTC2_EN))
1651                 return;
1652
1653         /* Clear the CRTC_VBLANK_SAVE bit */
1654         WREG32(RADEON_CRTC2_STATUS, RADEON_CRTC2_VBLANK_SAVE_CLEAR);
1655         for (i = 0; i < rdev->usec_timeout; i++) {
1656                 tmp = RREG32(RADEON_CRTC2_STATUS);
1657                 if (tmp & RADEON_CRTC2_VBLANK_SAVE) {
1658                         return;
1659                 }
1660                 DRM_UDELAY(1);
1661         }
1662 }
1663
1664 int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
1665 {
1666         unsigned i;
1667         uint32_t tmp;
1668
1669         for (i = 0; i < rdev->usec_timeout; i++) {
1670                 tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
1671                 if (tmp >= n) {
1672                         return 0;
1673                 }
1674                 DRM_UDELAY(1);
1675         }
1676         return -1;
1677 }
1678
1679 int r100_gui_wait_for_idle(struct radeon_device *rdev)
1680 {
1681         unsigned i;
1682         uint32_t tmp;
1683
1684         if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
1685                 printk(KERN_WARNING "radeon: wait for empty RBBM fifo failed !"
1686                        " Bad things might happen.\n");
1687         }
1688         for (i = 0; i < rdev->usec_timeout; i++) {
1689                 tmp = RREG32(RADEON_RBBM_STATUS);
1690                 if (!(tmp & (1 << 31))) {
1691                         return 0;
1692                 }
1693                 DRM_UDELAY(1);
1694         }
1695         return -1;
1696 }
1697
1698 int r100_mc_wait_for_idle(struct radeon_device *rdev)
1699 {
1700         unsigned i;
1701         uint32_t tmp;
1702
1703         for (i = 0; i < rdev->usec_timeout; i++) {
1704                 /* read MC_STATUS */
1705                 tmp = RREG32(0x0150);
1706                 if (tmp & (1 << 2)) {
1707                         return 0;
1708                 }
1709                 DRM_UDELAY(1);
1710         }
1711         return -1;
1712 }
1713
1714 void r100_gpu_init(struct radeon_device *rdev)
1715 {
1716         /* TODO: anythings to do here ? pipes ? */
1717         r100_hdp_reset(rdev);
1718 }
1719
1720 void r100_hdp_reset(struct radeon_device *rdev)
1721 {
1722         uint32_t tmp;
1723
1724         tmp = RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL;
1725         tmp |= (7 << 28);
1726         WREG32(RADEON_HOST_PATH_CNTL, tmp | RADEON_HDP_SOFT_RESET | RADEON_HDP_READ_BUFFER_INVALIDATE);
1727         (void)RREG32(RADEON_HOST_PATH_CNTL);
1728         udelay(200);
1729         WREG32(RADEON_RBBM_SOFT_RESET, 0);
1730         WREG32(RADEON_HOST_PATH_CNTL, tmp);
1731         (void)RREG32(RADEON_HOST_PATH_CNTL);
1732 }
1733
1734 int r100_rb2d_reset(struct radeon_device *rdev)
1735 {
1736         uint32_t tmp;
1737         int i;
1738
1739         WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_E2);
1740         (void)RREG32(RADEON_RBBM_SOFT_RESET);
1741         udelay(200);
1742         WREG32(RADEON_RBBM_SOFT_RESET, 0);
1743         /* Wait to prevent race in RBBM_STATUS */
1744         mdelay(1);
1745         for (i = 0; i < rdev->usec_timeout; i++) {
1746                 tmp = RREG32(RADEON_RBBM_STATUS);
1747                 if (!(tmp & (1 << 26))) {
1748                         DRM_INFO("RB2D reset succeed (RBBM_STATUS=0x%08X)\n",
1749                                  tmp);
1750                         return 0;
1751                 }
1752                 DRM_UDELAY(1);
1753         }
1754         tmp = RREG32(RADEON_RBBM_STATUS);
1755         DRM_ERROR("Failed to reset RB2D (RBBM_STATUS=0x%08X)!\n", tmp);
1756         return -1;
1757 }
1758
1759 int r100_gpu_reset(struct radeon_device *rdev)
1760 {
1761         uint32_t status;
1762
1763         /* reset order likely matter */
1764         status = RREG32(RADEON_RBBM_STATUS);
1765         /* reset HDP */
1766         r100_hdp_reset(rdev);
1767         /* reset rb2d */
1768         if (status & ((1 << 17) | (1 << 18) | (1 << 27))) {
1769                 r100_rb2d_reset(rdev);
1770         }
1771         /* TODO: reset 3D engine */
1772         /* reset CP */
1773         status = RREG32(RADEON_RBBM_STATUS);
1774         if (status & (1 << 16)) {
1775                 r100_cp_reset(rdev);
1776         }
1777         /* Check if GPU is idle */
1778         status = RREG32(RADEON_RBBM_STATUS);
1779         if (status & (1 << 31)) {
1780                 DRM_ERROR("Failed to reset GPU (RBBM_STATUS=0x%08X)\n", status);
1781                 return -1;
1782         }
1783         DRM_INFO("GPU reset succeed (RBBM_STATUS=0x%08X)\n", status);
1784         return 0;
1785 }
1786
1787
1788 /*
1789  * VRAM info
1790  */
1791 static void r100_vram_get_type(struct radeon_device *rdev)
1792 {
1793         uint32_t tmp;
1794
1795         rdev->mc.vram_is_ddr = false;
1796         if (rdev->flags & RADEON_IS_IGP)
1797                 rdev->mc.vram_is_ddr = true;
1798         else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
1799                 rdev->mc.vram_is_ddr = true;
1800         if ((rdev->family == CHIP_RV100) ||
1801             (rdev->family == CHIP_RS100) ||
1802             (rdev->family == CHIP_RS200)) {
1803                 tmp = RREG32(RADEON_MEM_CNTL);
1804                 if (tmp & RV100_HALF_MODE) {
1805                         rdev->mc.vram_width = 32;
1806                 } else {
1807                         rdev->mc.vram_width = 64;
1808                 }
1809                 if (rdev->flags & RADEON_SINGLE_CRTC) {
1810                         rdev->mc.vram_width /= 4;
1811                         rdev->mc.vram_is_ddr = true;
1812                 }
1813         } else if (rdev->family <= CHIP_RV280) {
1814                 tmp = RREG32(RADEON_MEM_CNTL);
1815                 if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
1816                         rdev->mc.vram_width = 128;
1817                 } else {
1818                         rdev->mc.vram_width = 64;
1819                 }
1820         } else {
1821                 /* newer IGPs */
1822                 rdev->mc.vram_width = 128;
1823         }
1824 }
1825
1826 static u32 r100_get_accessible_vram(struct radeon_device *rdev)
1827 {
1828         u32 aper_size;
1829         u8 byte;
1830
1831         aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
1832
1833         /* Set HDP_APER_CNTL only on cards that are known not to be broken,
1834          * that is has the 2nd generation multifunction PCI interface
1835          */
1836         if (rdev->family == CHIP_RV280 ||
1837             rdev->family >= CHIP_RV350) {
1838                 WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
1839                        ~RADEON_HDP_APER_CNTL);
1840                 DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
1841                 return aper_size * 2;
1842         }
1843
1844         /* Older cards have all sorts of funny issues to deal with. First
1845          * check if it's a multifunction card by reading the PCI config
1846          * header type... Limit those to one aperture size
1847          */
1848         pci_read_config_byte(rdev->pdev, 0xe, &byte);
1849         if (byte & 0x80) {
1850                 DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
1851                 DRM_INFO("Limiting VRAM to one aperture\n");
1852                 return aper_size;
1853         }
1854
1855         /* Single function older card. We read HDP_APER_CNTL to see how the BIOS
1856          * have set it up. We don't write this as it's broken on some ASICs but
1857          * we expect the BIOS to have done the right thing (might be too optimistic...)
1858          */
1859         if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
1860                 return aper_size * 2;
1861         return aper_size;
1862 }
1863
1864 void r100_vram_init_sizes(struct radeon_device *rdev)
1865 {
1866         u64 config_aper_size;
1867         u32 accessible;
1868
1869         config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
1870
1871         if (rdev->flags & RADEON_IS_IGP) {
1872                 uint32_t tom;
1873                 /* read NB_TOM to get the amount of ram stolen for the GPU */
1874                 tom = RREG32(RADEON_NB_TOM);
1875                 rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
1876                 /* for IGPs we need to keep VRAM where it was put by the BIOS */
1877                 rdev->mc.vram_location = (tom & 0xffff) << 16;
1878                 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
1879                 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
1880         } else {
1881                 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
1882                 /* Some production boards of m6 will report 0
1883                  * if it's 8 MB
1884                  */
1885                 if (rdev->mc.real_vram_size == 0) {
1886                         rdev->mc.real_vram_size = 8192 * 1024;
1887                         WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
1888                 }
1889                 /* let driver place VRAM */
1890                 rdev->mc.vram_location = 0xFFFFFFFFUL;
1891                  /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
1892                   * Novell bug 204882 + along with lots of ubuntu ones */
1893                 if (config_aper_size > rdev->mc.real_vram_size)
1894                         rdev->mc.mc_vram_size = config_aper_size;
1895                 else
1896                         rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
1897         }
1898
1899         /* work out accessible VRAM */
1900         accessible = r100_get_accessible_vram(rdev);
1901
1902         rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
1903         rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
1904
1905         if (accessible > rdev->mc.aper_size)
1906                 accessible = rdev->mc.aper_size;
1907
1908         if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
1909                 rdev->mc.mc_vram_size = rdev->mc.aper_size;
1910
1911         if (rdev->mc.real_vram_size > rdev->mc.aper_size)
1912                 rdev->mc.real_vram_size = rdev->mc.aper_size;
1913 }
1914
1915 void r100_vga_set_state(struct radeon_device *rdev, bool state)
1916 {
1917         uint32_t temp;
1918
1919         temp = RREG32(RADEON_CONFIG_CNTL);
1920         if (state == false) {
1921                 temp &= ~(1<<8);
1922                 temp |= (1<<9);
1923         } else {
1924                 temp &= ~(1<<9);
1925         }
1926         WREG32(RADEON_CONFIG_CNTL, temp);
1927 }
1928
1929 void r100_vram_info(struct radeon_device *rdev)
1930 {
1931         r100_vram_get_type(rdev);
1932
1933         r100_vram_init_sizes(rdev);
1934 }
1935
1936
1937 /*
1938  * Indirect registers accessor
1939  */
1940 void r100_pll_errata_after_index(struct radeon_device *rdev)
1941 {
1942         if (!(rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS)) {
1943                 return;
1944         }
1945         (void)RREG32(RADEON_CLOCK_CNTL_DATA);
1946         (void)RREG32(RADEON_CRTC_GEN_CNTL);
1947 }
1948
1949 static void r100_pll_errata_after_data(struct radeon_device *rdev)
1950 {
1951         /* This workarounds is necessary on RV100, RS100 and RS200 chips
1952          * or the chip could hang on a subsequent access
1953          */
1954         if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
1955                 udelay(5000);
1956         }
1957
1958         /* This function is required to workaround a hardware bug in some (all?)
1959          * revisions of the R300.  This workaround should be called after every
1960          * CLOCK_CNTL_INDEX register access.  If not, register reads afterward
1961          * may not be correct.
1962          */
1963         if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
1964                 uint32_t save, tmp;
1965
1966                 save = RREG32(RADEON_CLOCK_CNTL_INDEX);
1967                 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
1968                 WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
1969                 tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
1970                 WREG32(RADEON_CLOCK_CNTL_INDEX, save);
1971         }
1972 }
1973
1974 uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
1975 {
1976         uint32_t data;
1977
1978         WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
1979         r100_pll_errata_after_index(rdev);
1980         data = RREG32(RADEON_CLOCK_CNTL_DATA);
1981         r100_pll_errata_after_data(rdev);
1982         return data;
1983 }
1984
1985 void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
1986 {
1987         WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
1988         r100_pll_errata_after_index(rdev);
1989         WREG32(RADEON_CLOCK_CNTL_DATA, v);
1990         r100_pll_errata_after_data(rdev);
1991 }
1992
1993 int r100_init(struct radeon_device *rdev)
1994 {
1995         if (ASIC_IS_RN50(rdev)) {
1996                 rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
1997                 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
1998         } else if (rdev->family < CHIP_R200) {
1999                 rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
2000                 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
2001         } else {
2002                 return r200_init(rdev);
2003         }
2004         return 0;
2005 }
2006
2007 /*
2008  * Debugfs info
2009  */
2010 #if defined(CONFIG_DEBUG_FS)
2011 static int r100_debugfs_rbbm_info(struct seq_file *m, void *data)
2012 {
2013         struct drm_info_node *node = (struct drm_info_node *) m->private;
2014         struct drm_device *dev = node->minor->dev;
2015         struct radeon_device *rdev = dev->dev_private;
2016         uint32_t reg, value;
2017         unsigned i;
2018
2019         seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
2020         seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
2021         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2022         for (i = 0; i < 64; i++) {
2023                 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
2024                 reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
2025                 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
2026                 value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
2027                 seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
2028         }
2029         return 0;
2030 }
2031
2032 static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
2033 {
2034         struct drm_info_node *node = (struct drm_info_node *) m->private;
2035         struct drm_device *dev = node->minor->dev;
2036         struct radeon_device *rdev = dev->dev_private;
2037         uint32_t rdp, wdp;
2038         unsigned count, i, j;
2039
2040         radeon_ring_free_size(rdev);
2041         rdp = RREG32(RADEON_CP_RB_RPTR);
2042         wdp = RREG32(RADEON_CP_RB_WPTR);
2043         count = (rdp + rdev->cp.ring_size - wdp) & rdev->cp.ptr_mask;
2044         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2045         seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
2046         seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
2047         seq_printf(m, "%u free dwords in ring\n", rdev->cp.ring_free_dw);
2048         seq_printf(m, "%u dwords in ring\n", count);
2049         for (j = 0; j <= count; j++) {
2050                 i = (rdp + j) & rdev->cp.ptr_mask;
2051                 seq_printf(m, "r[%04d]=0x%08x\n", i, rdev->cp.ring[i]);
2052         }
2053         return 0;
2054 }
2055
2056
2057 static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data)
2058 {
2059         struct drm_info_node *node = (struct drm_info_node *) m->private;
2060         struct drm_device *dev = node->minor->dev;
2061         struct radeon_device *rdev = dev->dev_private;
2062         uint32_t csq_stat, csq2_stat, tmp;
2063         unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
2064         unsigned i;
2065
2066         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2067         seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
2068         csq_stat = RREG32(RADEON_CP_CSQ_STAT);
2069         csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
2070         r_rptr = (csq_stat >> 0) & 0x3ff;
2071         r_wptr = (csq_stat >> 10) & 0x3ff;
2072         ib1_rptr = (csq_stat >> 20) & 0x3ff;
2073         ib1_wptr = (csq2_stat >> 0) & 0x3ff;
2074         ib2_rptr = (csq2_stat >> 10) & 0x3ff;
2075         ib2_wptr = (csq2_stat >> 20) & 0x3ff;
2076         seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
2077         seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
2078         seq_printf(m, "Ring rptr %u\n", r_rptr);
2079         seq_printf(m, "Ring wptr %u\n", r_wptr);
2080         seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
2081         seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
2082         seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
2083         seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
2084         /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
2085          * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
2086         seq_printf(m, "Ring fifo:\n");
2087         for (i = 0; i < 256; i++) {
2088                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2089                 tmp = RREG32(RADEON_CP_CSQ_DATA);
2090                 seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
2091         }
2092         seq_printf(m, "Indirect1 fifo:\n");
2093         for (i = 256; i <= 512; i++) {
2094                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2095                 tmp = RREG32(RADEON_CP_CSQ_DATA);
2096                 seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
2097         }
2098         seq_printf(m, "Indirect2 fifo:\n");
2099         for (i = 640; i < ib1_wptr; i++) {
2100                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2101                 tmp = RREG32(RADEON_CP_CSQ_DATA);
2102                 seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
2103         }
2104         return 0;
2105 }
2106
2107 static int r100_debugfs_mc_info(struct seq_file *m, void *data)
2108 {
2109         struct drm_info_node *node = (struct drm_info_node *) m->private;
2110         struct drm_device *dev = node->minor->dev;
2111         struct radeon_device *rdev = dev->dev_private;
2112         uint32_t tmp;
2113
2114         tmp = RREG32(RADEON_CONFIG_MEMSIZE);
2115         seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
2116         tmp = RREG32(RADEON_MC_FB_LOCATION);
2117         seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
2118         tmp = RREG32(RADEON_BUS_CNTL);
2119         seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
2120         tmp = RREG32(RADEON_MC_AGP_LOCATION);
2121         seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
2122         tmp = RREG32(RADEON_AGP_BASE);
2123         seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
2124         tmp = RREG32(RADEON_HOST_PATH_CNTL);
2125         seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
2126         tmp = RREG32(0x01D0);
2127         seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
2128         tmp = RREG32(RADEON_AIC_LO_ADDR);
2129         seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
2130         tmp = RREG32(RADEON_AIC_HI_ADDR);
2131         seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
2132         tmp = RREG32(0x01E4);
2133         seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
2134         return 0;
2135 }
2136
2137 static struct drm_info_list r100_debugfs_rbbm_list[] = {
2138         {"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL},
2139 };
2140
2141 static struct drm_info_list r100_debugfs_cp_list[] = {
2142         {"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL},
2143         {"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL},
2144 };
2145
2146 static struct drm_info_list r100_debugfs_mc_info_list[] = {
2147         {"r100_mc_info", r100_debugfs_mc_info, 0, NULL},
2148 };
2149 #endif
2150
2151 int r100_debugfs_rbbm_init(struct radeon_device *rdev)
2152 {
2153 #if defined(CONFIG_DEBUG_FS)
2154         return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1);
2155 #else
2156         return 0;
2157 #endif
2158 }
2159
2160 int r100_debugfs_cp_init(struct radeon_device *rdev)
2161 {
2162 #if defined(CONFIG_DEBUG_FS)
2163         return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2);
2164 #else
2165         return 0;
2166 #endif
2167 }
2168
2169 int r100_debugfs_mc_info_init(struct radeon_device *rdev)
2170 {
2171 #if defined(CONFIG_DEBUG_FS)
2172         return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1);
2173 #else
2174         return 0;
2175 #endif
2176 }
2177
2178 int r100_set_surface_reg(struct radeon_device *rdev, int reg,
2179                          uint32_t tiling_flags, uint32_t pitch,
2180                          uint32_t offset, uint32_t obj_size)
2181 {
2182         int surf_index = reg * 16;
2183         int flags = 0;
2184
2185         /* r100/r200 divide by 16 */
2186         if (rdev->family < CHIP_R300)
2187                 flags = pitch / 16;
2188         else
2189                 flags = pitch / 8;
2190
2191         if (rdev->family <= CHIP_RS200) {
2192                 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
2193                                  == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
2194                         flags |= RADEON_SURF_TILE_COLOR_BOTH;
2195                 if (tiling_flags & RADEON_TILING_MACRO)
2196                         flags |= RADEON_SURF_TILE_COLOR_MACRO;
2197         } else if (rdev->family <= CHIP_RV280) {
2198                 if (tiling_flags & (RADEON_TILING_MACRO))
2199                         flags |= R200_SURF_TILE_COLOR_MACRO;
2200                 if (tiling_flags & RADEON_TILING_MICRO)
2201                         flags |= R200_SURF_TILE_COLOR_MICRO;
2202         } else {
2203                 if (tiling_flags & RADEON_TILING_MACRO)
2204                         flags |= R300_SURF_TILE_MACRO;
2205                 if (tiling_flags & RADEON_TILING_MICRO)
2206                         flags |= R300_SURF_TILE_MICRO;
2207         }
2208
2209         if (tiling_flags & RADEON_TILING_SWAP_16BIT)
2210                 flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
2211         if (tiling_flags & RADEON_TILING_SWAP_32BIT)
2212                 flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
2213
2214         DRM_DEBUG("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
2215         WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
2216         WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
2217         WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
2218         return 0;
2219 }
2220
2221 void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
2222 {
2223         int surf_index = reg * 16;
2224         WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
2225 }
2226
2227 void r100_bandwidth_update(struct radeon_device *rdev)
2228 {
2229         fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
2230         fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
2231         fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
2232         uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
2233         fixed20_12 memtcas_ff[8] = {
2234                 fixed_init(1),
2235                 fixed_init(2),
2236                 fixed_init(3),
2237                 fixed_init(0),
2238                 fixed_init_half(1),
2239                 fixed_init_half(2),
2240                 fixed_init(0),
2241         };
2242         fixed20_12 memtcas_rs480_ff[8] = {
2243                 fixed_init(0),
2244                 fixed_init(1),
2245                 fixed_init(2),
2246                 fixed_init(3),
2247                 fixed_init(0),
2248                 fixed_init_half(1),
2249                 fixed_init_half(2),
2250                 fixed_init_half(3),
2251         };
2252         fixed20_12 memtcas2_ff[8] = {
2253                 fixed_init(0),
2254                 fixed_init(1),
2255                 fixed_init(2),
2256                 fixed_init(3),
2257                 fixed_init(4),
2258                 fixed_init(5),
2259                 fixed_init(6),
2260                 fixed_init(7),
2261         };
2262         fixed20_12 memtrbs[8] = {
2263                 fixed_init(1),
2264                 fixed_init_half(1),
2265                 fixed_init(2),
2266                 fixed_init_half(2),
2267                 fixed_init(3),
2268                 fixed_init_half(3),
2269                 fixed_init(4),
2270                 fixed_init_half(4)
2271         };
2272         fixed20_12 memtrbs_r4xx[8] = {
2273                 fixed_init(4),
2274                 fixed_init(5),
2275                 fixed_init(6),
2276                 fixed_init(7),
2277                 fixed_init(8),
2278                 fixed_init(9),
2279                 fixed_init(10),
2280                 fixed_init(11)
2281         };
2282         fixed20_12 min_mem_eff;
2283         fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
2284         fixed20_12 cur_latency_mclk, cur_latency_sclk;
2285         fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate,
2286                 disp_drain_rate2, read_return_rate;
2287         fixed20_12 time_disp1_drop_priority;
2288         int c;
2289         int cur_size = 16;       /* in octawords */
2290         int critical_point = 0, critical_point2;
2291 /*      uint32_t read_return_rate, time_disp1_drop_priority; */
2292         int stop_req, max_stop_req;
2293         struct drm_display_mode *mode1 = NULL;
2294         struct drm_display_mode *mode2 = NULL;
2295         uint32_t pixel_bytes1 = 0;
2296         uint32_t pixel_bytes2 = 0;
2297
2298         if (rdev->mode_info.crtcs[0]->base.enabled) {
2299                 mode1 = &rdev->mode_info.crtcs[0]->base.mode;
2300                 pixel_bytes1 = rdev->mode_info.crtcs[0]->base.fb->bits_per_pixel / 8;
2301         }
2302         if (rdev->mode_info.crtcs[1]->base.enabled) {
2303                 mode2 = &rdev->mode_info.crtcs[1]->base.mode;
2304                 pixel_bytes2 = rdev->mode_info.crtcs[1]->base.fb->bits_per_pixel / 8;
2305         }
2306
2307         min_mem_eff.full = rfixed_const_8(0);
2308         /* get modes */
2309         if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
2310                 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
2311                 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
2312                 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
2313                 /* check crtc enables */
2314                 if (mode2)
2315                         mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
2316                 if (mode1)
2317                         mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
2318                 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
2319         }
2320
2321         /*
2322          * determine is there is enough bw for current mode
2323          */
2324         mclk_ff.full = rfixed_const(rdev->clock.default_mclk);
2325         temp_ff.full = rfixed_const(100);
2326         mclk_ff.full = rfixed_div(mclk_ff, temp_ff);
2327         sclk_ff.full = rfixed_const(rdev->clock.default_sclk);
2328         sclk_ff.full = rfixed_div(sclk_ff, temp_ff);
2329
2330         temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
2331         temp_ff.full = rfixed_const(temp);
2332         mem_bw.full = rfixed_mul(mclk_ff, temp_ff);
2333
2334         pix_clk.full = 0;
2335         pix_clk2.full = 0;
2336         peak_disp_bw.full = 0;
2337         if (mode1) {
2338                 temp_ff.full = rfixed_const(1000);
2339                 pix_clk.full = rfixed_const(mode1->clock); /* convert to fixed point */
2340                 pix_clk.full = rfixed_div(pix_clk, temp_ff);
2341                 temp_ff.full = rfixed_const(pixel_bytes1);
2342                 peak_disp_bw.full += rfixed_mul(pix_clk, temp_ff);
2343         }
2344         if (mode2) {
2345                 temp_ff.full = rfixed_const(1000);
2346                 pix_clk2.full = rfixed_const(mode2->clock); /* convert to fixed point */
2347                 pix_clk2.full = rfixed_div(pix_clk2, temp_ff);
2348                 temp_ff.full = rfixed_const(pixel_bytes2);
2349                 peak_disp_bw.full += rfixed_mul(pix_clk2, temp_ff);
2350         }
2351
2352         mem_bw.full = rfixed_mul(mem_bw, min_mem_eff);
2353         if (peak_disp_bw.full >= mem_bw.full) {
2354                 DRM_ERROR("You may not have enough display bandwidth for current mode\n"
2355                           "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
2356         }
2357
2358         /*  Get values from the EXT_MEM_CNTL register...converting its contents. */
2359         temp = RREG32(RADEON_MEM_TIMING_CNTL);
2360         if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
2361                 mem_trcd = ((temp >> 2) & 0x3) + 1;
2362                 mem_trp  = ((temp & 0x3)) + 1;
2363                 mem_tras = ((temp & 0x70) >> 4) + 1;
2364         } else if (rdev->family == CHIP_R300 ||
2365                    rdev->family == CHIP_R350) { /* r300, r350 */
2366                 mem_trcd = (temp & 0x7) + 1;
2367                 mem_trp = ((temp >> 8) & 0x7) + 1;
2368                 mem_tras = ((temp >> 11) & 0xf) + 4;
2369         } else if (rdev->family == CHIP_RV350 ||
2370                    rdev->family <= CHIP_RV380) {
2371                 /* rv3x0 */
2372                 mem_trcd = (temp & 0x7) + 3;
2373                 mem_trp = ((temp >> 8) & 0x7) + 3;
2374                 mem_tras = ((temp >> 11) & 0xf) + 6;
2375         } else if (rdev->family == CHIP_R420 ||
2376                    rdev->family == CHIP_R423 ||
2377                    rdev->family == CHIP_RV410) {
2378                 /* r4xx */
2379                 mem_trcd = (temp & 0xf) + 3;
2380                 if (mem_trcd > 15)
2381                         mem_trcd = 15;
2382                 mem_trp = ((temp >> 8) & 0xf) + 3;
2383                 if (mem_trp > 15)
2384                         mem_trp = 15;
2385                 mem_tras = ((temp >> 12) & 0x1f) + 6;
2386                 if (mem_tras > 31)
2387                         mem_tras = 31;
2388         } else { /* RV200, R200 */
2389                 mem_trcd = (temp & 0x7) + 1;
2390                 mem_trp = ((temp >> 8) & 0x7) + 1;
2391                 mem_tras = ((temp >> 12) & 0xf) + 4;
2392         }
2393         /* convert to FF */
2394         trcd_ff.full = rfixed_const(mem_trcd);
2395         trp_ff.full = rfixed_const(mem_trp);
2396         tras_ff.full = rfixed_const(mem_tras);
2397
2398         /* Get values from the MEM_SDRAM_MODE_REG register...converting its */
2399         temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2400         data = (temp & (7 << 20)) >> 20;
2401         if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
2402                 if (rdev->family == CHIP_RS480) /* don't think rs400 */
2403                         tcas_ff = memtcas_rs480_ff[data];
2404                 else
2405                         tcas_ff = memtcas_ff[data];
2406         } else
2407                 tcas_ff = memtcas2_ff[data];
2408
2409         if (rdev->family == CHIP_RS400 ||
2410             rdev->family == CHIP_RS480) {
2411                 /* extra cas latency stored in bits 23-25 0-4 clocks */
2412                 data = (temp >> 23) & 0x7;
2413                 if (data < 5)
2414                         tcas_ff.full += rfixed_const(data);
2415         }
2416
2417         if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
2418                 /* on the R300, Tcas is included in Trbs.
2419                  */
2420                 temp = RREG32(RADEON_MEM_CNTL);
2421                 data = (R300_MEM_NUM_CHANNELS_MASK & temp);
2422                 if (data == 1) {
2423                         if (R300_MEM_USE_CD_CH_ONLY & temp) {
2424                                 temp = RREG32(R300_MC_IND_INDEX);
2425                                 temp &= ~R300_MC_IND_ADDR_MASK;
2426                                 temp |= R300_MC_READ_CNTL_CD_mcind;
2427                                 WREG32(R300_MC_IND_INDEX, temp);
2428                                 temp = RREG32(R300_MC_IND_DATA);
2429                                 data = (R300_MEM_RBS_POSITION_C_MASK & temp);
2430                         } else {
2431                                 temp = RREG32(R300_MC_READ_CNTL_AB);
2432                                 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
2433                         }
2434                 } else {
2435                         temp = RREG32(R300_MC_READ_CNTL_AB);
2436                         data = (R300_MEM_RBS_POSITION_A_MASK & temp);
2437                 }
2438                 if (rdev->family == CHIP_RV410 ||
2439                     rdev->family == CHIP_R420 ||
2440                     rdev->family == CHIP_R423)
2441                         trbs_ff = memtrbs_r4xx[data];
2442                 else
2443                         trbs_ff = memtrbs[data];
2444                 tcas_ff.full += trbs_ff.full;
2445         }
2446
2447         sclk_eff_ff.full = sclk_ff.full;
2448
2449         if (rdev->flags & RADEON_IS_AGP) {
2450                 fixed20_12 agpmode_ff;
2451                 agpmode_ff.full = rfixed_const(radeon_agpmode);
2452                 temp_ff.full = rfixed_const_666(16);
2453                 sclk_eff_ff.full -= rfixed_mul(agpmode_ff, temp_ff);
2454         }
2455         /* TODO PCIE lanes may affect this - agpmode == 16?? */
2456
2457         if (ASIC_IS_R300(rdev)) {
2458                 sclk_delay_ff.full = rfixed_const(250);
2459         } else {
2460                 if ((rdev->family == CHIP_RV100) ||
2461                     rdev->flags & RADEON_IS_IGP) {
2462                         if (rdev->mc.vram_is_ddr)
2463                                 sclk_delay_ff.full = rfixed_const(41);
2464                         else
2465                                 sclk_delay_ff.full = rfixed_const(33);
2466                 } else {
2467                         if (rdev->mc.vram_width == 128)
2468                                 sclk_delay_ff.full = rfixed_const(57);
2469                         else
2470                                 sclk_delay_ff.full = rfixed_const(41);
2471                 }
2472         }
2473
2474         mc_latency_sclk.full = rfixed_div(sclk_delay_ff, sclk_eff_ff);
2475
2476         if (rdev->mc.vram_is_ddr) {
2477                 if (rdev->mc.vram_width == 32) {
2478                         k1.full = rfixed_const(40);
2479                         c  = 3;
2480                 } else {
2481                         k1.full = rfixed_const(20);
2482                         c  = 1;
2483                 }
2484         } else {
2485                 k1.full = rfixed_const(40);
2486                 c  = 3;
2487         }
2488
2489         temp_ff.full = rfixed_const(2);
2490         mc_latency_mclk.full = rfixed_mul(trcd_ff, temp_ff);
2491         temp_ff.full = rfixed_const(c);
2492         mc_latency_mclk.full += rfixed_mul(tcas_ff, temp_ff);
2493         temp_ff.full = rfixed_const(4);
2494         mc_latency_mclk.full += rfixed_mul(tras_ff, temp_ff);
2495         mc_latency_mclk.full += rfixed_mul(trp_ff, temp_ff);
2496         mc_latency_mclk.full += k1.full;
2497
2498         mc_latency_mclk.full = rfixed_div(mc_latency_mclk, mclk_ff);
2499         mc_latency_mclk.full += rfixed_div(temp_ff, sclk_eff_ff);
2500
2501         /*
2502           HW cursor time assuming worst case of full size colour cursor.
2503         */
2504         temp_ff.full = rfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
2505         temp_ff.full += trcd_ff.full;
2506         if (temp_ff.full < tras_ff.full)
2507                 temp_ff.full = tras_ff.full;
2508         cur_latency_mclk.full = rfixed_div(temp_ff, mclk_ff);
2509
2510         temp_ff.full = rfixed_const(cur_size);
2511         cur_latency_sclk.full = rfixed_div(temp_ff, sclk_eff_ff);
2512         /*
2513           Find the total latency for the display data.
2514         */
2515         disp_latency_overhead.full = rfixed_const(80);
2516         disp_latency_overhead.full = rfixed_div(disp_latency_overhead, sclk_ff);
2517         mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
2518         mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
2519
2520         if (mc_latency_mclk.full > mc_latency_sclk.full)
2521                 disp_latency.full = mc_latency_mclk.full;
2522         else
2523                 disp_latency.full = mc_latency_sclk.full;
2524
2525         /* setup Max GRPH_STOP_REQ default value */
2526         if (ASIC_IS_RV100(rdev))
2527                 max_stop_req = 0x5c;
2528         else
2529                 max_stop_req = 0x7c;
2530
2531         if (mode1) {
2532                 /*  CRTC1
2533                     Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
2534                     GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
2535                 */
2536                 stop_req = mode1->hdisplay * pixel_bytes1 / 16;
2537
2538                 if (stop_req > max_stop_req)
2539                         stop_req = max_stop_req;
2540
2541                 /*
2542                   Find the drain rate of the display buffer.
2543                 */
2544                 temp_ff.full = rfixed_const((16/pixel_bytes1));
2545                 disp_drain_rate.full = rfixed_div(pix_clk, temp_ff);
2546
2547                 /*
2548                   Find the critical point of the display buffer.
2549                 */
2550                 crit_point_ff.full = rfixed_mul(disp_drain_rate, disp_latency);
2551                 crit_point_ff.full += rfixed_const_half(0);
2552
2553                 critical_point = rfixed_trunc(crit_point_ff);
2554
2555                 if (rdev->disp_priority == 2) {
2556                         critical_point = 0;
2557                 }
2558
2559                 /*
2560                   The critical point should never be above max_stop_req-4.  Setting
2561                   GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
2562                 */
2563                 if (max_stop_req - critical_point < 4)
2564                         critical_point = 0;
2565
2566                 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
2567                         /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
2568                         critical_point = 0x10;
2569                 }
2570
2571                 temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
2572                 temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
2573                 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
2574                 temp &= ~(RADEON_GRPH_START_REQ_MASK);
2575                 if ((rdev->family == CHIP_R350) &&
2576                     (stop_req > 0x15)) {
2577                         stop_req -= 0x10;
2578                 }
2579                 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
2580                 temp |= RADEON_GRPH_BUFFER_SIZE;
2581                 temp &= ~(RADEON_GRPH_CRITICAL_CNTL   |
2582                           RADEON_GRPH_CRITICAL_AT_SOF |
2583                           RADEON_GRPH_STOP_CNTL);
2584                 /*
2585                   Write the result into the register.
2586                 */
2587                 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
2588                                                        (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
2589
2590 #if 0
2591                 if ((rdev->family == CHIP_RS400) ||
2592                     (rdev->family == CHIP_RS480)) {
2593                         /* attempt to program RS400 disp regs correctly ??? */
2594                         temp = RREG32(RS400_DISP1_REG_CNTL);
2595                         temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
2596                                   RS400_DISP1_STOP_REQ_LEVEL_MASK);
2597                         WREG32(RS400_DISP1_REQ_CNTL1, (temp |
2598                                                        (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
2599                                                        (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
2600                         temp = RREG32(RS400_DMIF_MEM_CNTL1);
2601                         temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
2602                                   RS400_DISP1_CRITICAL_POINT_STOP_MASK);
2603                         WREG32(RS400_DMIF_MEM_CNTL1, (temp |
2604                                                       (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
2605                                                       (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
2606                 }
2607 #endif
2608
2609                 DRM_DEBUG("GRPH_BUFFER_CNTL from to %x\n",
2610                           /*      (unsigned int)info->SavedReg->grph_buffer_cntl, */
2611                           (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
2612         }
2613
2614         if (mode2) {
2615                 u32 grph2_cntl;
2616                 stop_req = mode2->hdisplay * pixel_bytes2 / 16;
2617
2618                 if (stop_req > max_stop_req)
2619                         stop_req = max_stop_req;
2620
2621                 /*
2622                   Find the drain rate of the display buffer.
2623                 */
2624                 temp_ff.full = rfixed_const((16/pixel_bytes2));
2625                 disp_drain_rate2.full = rfixed_div(pix_clk2, temp_ff);
2626
2627                 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
2628                 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
2629                 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
2630                 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
2631                 if ((rdev->family == CHIP_R350) &&
2632                     (stop_req > 0x15)) {
2633                         stop_req -= 0x10;
2634                 }
2635                 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
2636                 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
2637                 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL   |
2638                           RADEON_GRPH_CRITICAL_AT_SOF |
2639                           RADEON_GRPH_STOP_CNTL);
2640
2641                 if ((rdev->family == CHIP_RS100) ||
2642                     (rdev->family == CHIP_RS200))
2643                         critical_point2 = 0;
2644                 else {
2645                         temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
2646                         temp_ff.full = rfixed_const(temp);
2647                         temp_ff.full = rfixed_mul(mclk_ff, temp_ff);
2648                         if (sclk_ff.full < temp_ff.full)
2649                                 temp_ff.full = sclk_ff.full;
2650
2651                         read_return_rate.full = temp_ff.full;
2652
2653                         if (mode1) {
2654                                 temp_ff.full = read_return_rate.full - disp_drain_rate.full;
2655                                 time_disp1_drop_priority.full = rfixed_div(crit_point_ff, temp_ff);
2656                         } else {
2657                                 time_disp1_drop_priority.full = 0;
2658                         }
2659                         crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
2660                         crit_point_ff.full = rfixed_mul(crit_point_ff, disp_drain_rate2);
2661                         crit_point_ff.full += rfixed_const_half(0);
2662
2663                         critical_point2 = rfixed_trunc(crit_point_ff);
2664
2665                         if (rdev->disp_priority == 2) {
2666                                 critical_point2 = 0;
2667                         }
2668
2669                         if (max_stop_req - critical_point2 < 4)
2670                                 critical_point2 = 0;
2671
2672                 }
2673
2674                 if (critical_point2 == 0 && rdev->family == CHIP_R300) {
2675                         /* some R300 cards have problem with this set to 0 */
2676                         critical_point2 = 0x10;
2677                 }
2678
2679                 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
2680                                                   (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
2681
2682                 if ((rdev->family == CHIP_RS400) ||
2683                     (rdev->family == CHIP_RS480)) {
2684 #if 0
2685                         /* attempt to program RS400 disp2 regs correctly ??? */
2686                         temp = RREG32(RS400_DISP2_REQ_CNTL1);
2687                         temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
2688                                   RS400_DISP2_STOP_REQ_LEVEL_MASK);
2689                         WREG32(RS400_DISP2_REQ_CNTL1, (temp |
2690                                                        (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
2691                                                        (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
2692                         temp = RREG32(RS400_DISP2_REQ_CNTL2);
2693                         temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
2694                                   RS400_DISP2_CRITICAL_POINT_STOP_MASK);
2695                         WREG32(RS400_DISP2_REQ_CNTL2, (temp |
2696                                                        (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
2697                                                        (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
2698 #endif
2699                         WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
2700                         WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
2701                         WREG32(RS400_DMIF_MEM_CNTL1,  0x29CA71DC);
2702                         WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
2703                 }
2704
2705                 DRM_DEBUG("GRPH2_BUFFER_CNTL from to %x\n",
2706                           (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
2707         }
2708 }
2709
2710 static inline void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
2711 {
2712         DRM_ERROR("pitch                      %d\n", t->pitch);
2713         DRM_ERROR("width                      %d\n", t->width);
2714         DRM_ERROR("height                     %d\n", t->height);
2715         DRM_ERROR("num levels                 %d\n", t->num_levels);
2716         DRM_ERROR("depth                      %d\n", t->txdepth);
2717         DRM_ERROR("bpp                        %d\n", t->cpp);
2718         DRM_ERROR("coordinate type            %d\n", t->tex_coord_type);
2719         DRM_ERROR("width round to power of 2  %d\n", t->roundup_w);
2720         DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
2721 }
2722
2723 static int r100_cs_track_cube(struct radeon_device *rdev,
2724                               struct r100_cs_track *track, unsigned idx)
2725 {
2726         unsigned face, w, h;
2727         struct radeon_object *cube_robj;
2728         unsigned long size;
2729
2730         for (face = 0; face < 5; face++) {
2731                 cube_robj = track->textures[idx].cube_info[face].robj;
2732                 w = track->textures[idx].cube_info[face].width;
2733                 h = track->textures[idx].cube_info[face].height;
2734
2735                 size = w * h;
2736                 size *= track->textures[idx].cpp;
2737
2738                 size += track->textures[idx].cube_info[face].offset;
2739
2740                 if (size > radeon_object_size(cube_robj)) {
2741                         DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
2742                                   size, radeon_object_size(cube_robj));
2743                         r100_cs_track_texture_print(&track->textures[idx]);
2744                         return -1;
2745                 }
2746         }
2747         return 0;
2748 }
2749
2750 static int r100_cs_track_texture_check(struct radeon_device *rdev,
2751                                        struct r100_cs_track *track)
2752 {
2753         struct radeon_object *robj;
2754         unsigned long size;
2755         unsigned u, i, w, h;
2756         int ret;
2757
2758         for (u = 0; u < track->num_texture; u++) {
2759                 if (!track->textures[u].enabled)
2760                         continue;
2761                 robj = track->textures[u].robj;
2762                 if (robj == NULL) {
2763                         DRM_ERROR("No texture bound to unit %u\n", u);
2764                         return -EINVAL;
2765                 }
2766                 size = 0;
2767                 for (i = 0; i <= track->textures[u].num_levels; i++) {
2768                         if (track->textures[u].use_pitch) {
2769                                 if (rdev->family < CHIP_R300)
2770                                         w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
2771                                 else
2772                                         w = track->textures[u].pitch / (1 << i);
2773                         } else {
2774                                 w = track->textures[u].width / (1 << i);
2775                                 if (rdev->family >= CHIP_RV515)
2776                                         w |= track->textures[u].width_11;
2777                                 if (track->textures[u].roundup_w)
2778                                         w = roundup_pow_of_two(w);
2779                         }
2780                         h = track->textures[u].height / (1 << i);
2781                         if (rdev->family >= CHIP_RV515)
2782                                 h |= track->textures[u].height_11;
2783                         if (track->textures[u].roundup_h)
2784                                 h = roundup_pow_of_two(h);
2785                         size += w * h;
2786                 }
2787                 size *= track->textures[u].cpp;
2788                 switch (track->textures[u].tex_coord_type) {
2789                 case 0:
2790                         break;
2791                 case 1:
2792                         size *= (1 << track->textures[u].txdepth);
2793                         break;
2794                 case 2:
2795                         if (track->separate_cube) {
2796                                 ret = r100_cs_track_cube(rdev, track, u);
2797                                 if (ret)
2798                                         return ret;
2799                         } else
2800                                 size *= 6;
2801                         break;
2802                 default:
2803                         DRM_ERROR("Invalid texture coordinate type %u for unit "
2804                                   "%u\n", track->textures[u].tex_coord_type, u);
2805                         return -EINVAL;
2806                 }
2807                 if (size > radeon_object_size(robj)) {
2808                         DRM_ERROR("Texture of unit %u needs %lu bytes but is "
2809                                   "%lu\n", u, size, radeon_object_size(robj));
2810                         r100_cs_track_texture_print(&track->textures[u]);
2811                         return -EINVAL;
2812                 }
2813         }
2814         return 0;
2815 }
2816
2817 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
2818 {
2819         unsigned i;
2820         unsigned long size;
2821         unsigned prim_walk;
2822         unsigned nverts;
2823
2824         for (i = 0; i < track->num_cb; i++) {
2825                 if (track->cb[i].robj == NULL) {
2826                         DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
2827                         return -EINVAL;
2828                 }
2829                 size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
2830                 size += track->cb[i].offset;
2831                 if (size > radeon_object_size(track->cb[i].robj)) {
2832                         DRM_ERROR("[drm] Buffer too small for color buffer %d "
2833                                   "(need %lu have %lu) !\n", i, size,
2834                                   radeon_object_size(track->cb[i].robj));
2835                         DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
2836                                   i, track->cb[i].pitch, track->cb[i].cpp,
2837                                   track->cb[i].offset, track->maxy);
2838                         return -EINVAL;
2839                 }
2840         }
2841         if (track->z_enabled) {
2842                 if (track->zb.robj == NULL) {
2843                         DRM_ERROR("[drm] No buffer for z buffer !\n");
2844                         return -EINVAL;
2845                 }
2846                 size = track->zb.pitch * track->zb.cpp * track->maxy;
2847                 size += track->zb.offset;
2848                 if (size > radeon_object_size(track->zb.robj)) {
2849                         DRM_ERROR("[drm] Buffer too small for z buffer "
2850                                   "(need %lu have %lu) !\n", size,
2851                                   radeon_object_size(track->zb.robj));
2852                         DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
2853                                   track->zb.pitch, track->zb.cpp,
2854                                   track->zb.offset, track->maxy);
2855                         return -EINVAL;
2856                 }
2857         }
2858         prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
2859         nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
2860         switch (prim_walk) {
2861         case 1:
2862                 for (i = 0; i < track->num_arrays; i++) {
2863                         size = track->arrays[i].esize * track->max_indx * 4;
2864                         if (track->arrays[i].robj == NULL) {
2865                                 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2866                                           "bound\n", prim_walk, i);
2867                                 return -EINVAL;
2868                         }
2869                         if (size > radeon_object_size(track->arrays[i].robj)) {
2870                                 DRM_ERROR("(PW %u) Vertex array %u need %lu dwords "
2871                                            "have %lu dwords\n", prim_walk, i,
2872                                            size >> 2,
2873                                            radeon_object_size(track->arrays[i].robj) >> 2);
2874                                 DRM_ERROR("Max indices %u\n", track->max_indx);
2875                                 return -EINVAL;
2876                         }
2877                 }
2878                 break;
2879         case 2:
2880                 for (i = 0; i < track->num_arrays; i++) {
2881                         size = track->arrays[i].esize * (nverts - 1) * 4;
2882                         if (track->arrays[i].robj == NULL) {
2883                                 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2884                                           "bound\n", prim_walk, i);
2885                                 return -EINVAL;
2886                         }
2887                         if (size > radeon_object_size(track->arrays[i].robj)) {
2888                                 DRM_ERROR("(PW %u) Vertex array %u need %lu dwords "
2889                                            "have %lu dwords\n", prim_walk, i, size >> 2,
2890                                            radeon_object_size(track->arrays[i].robj) >> 2);
2891                                 return -EINVAL;
2892                         }
2893                 }
2894                 break;
2895         case 3:
2896                 size = track->vtx_size * nverts;
2897                 if (size != track->immd_dwords) {
2898                         DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
2899                                   track->immd_dwords, size);
2900                         DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
2901                                   nverts, track->vtx_size);
2902                         return -EINVAL;
2903                 }
2904                 break;
2905         default:
2906                 DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
2907                           prim_walk);
2908                 return -EINVAL;
2909         }
2910         return r100_cs_track_texture_check(rdev, track);
2911 }
2912
2913 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
2914 {
2915         unsigned i, face;
2916
2917         if (rdev->family < CHIP_R300) {
2918                 track->num_cb = 1;
2919                 if (rdev->family <= CHIP_RS200)
2920                         track->num_texture = 3;
2921                 else
2922                         track->num_texture = 6;
2923                 track->maxy = 2048;
2924                 track->separate_cube = 1;
2925         } else {
2926                 track->num_cb = 4;
2927                 track->num_texture = 16;
2928                 track->maxy = 4096;
2929                 track->separate_cube = 0;
2930         }
2931
2932         for (i = 0; i < track->num_cb; i++) {
2933                 track->cb[i].robj = NULL;
2934                 track->cb[i].pitch = 8192;
2935                 track->cb[i].cpp = 16;
2936                 track->cb[i].offset = 0;
2937         }
2938         track->z_enabled = true;
2939         track->zb.robj = NULL;
2940         track->zb.pitch = 8192;
2941         track->zb.cpp = 4;
2942         track->zb.offset = 0;
2943         track->vtx_size = 0x7F;
2944         track->immd_dwords = 0xFFFFFFFFUL;
2945         track->num_arrays = 11;
2946         track->max_indx = 0x00FFFFFFUL;
2947         for (i = 0; i < track->num_arrays; i++) {
2948                 track->arrays[i].robj = NULL;
2949                 track->arrays[i].esize = 0x7F;
2950         }
2951         for (i = 0; i < track->num_texture; i++) {
2952                 track->textures[i].pitch = 16536;
2953                 track->textures[i].width = 16536;
2954                 track->textures[i].height = 16536;
2955                 track->textures[i].width_11 = 1 << 11;
2956                 track->textures[i].height_11 = 1 << 11;
2957                 track->textures[i].num_levels = 12;
2958                 if (rdev->family <= CHIP_RS200) {
2959                         track->textures[i].tex_coord_type = 0;
2960                         track->textures[i].txdepth = 0;
2961                 } else {
2962                         track->textures[i].txdepth = 16;
2963                         track->textures[i].tex_coord_type = 1;
2964                 }
2965                 track->textures[i].cpp = 64;
2966                 track->textures[i].robj = NULL;
2967                 /* CS IB emission code makes sure texture unit are disabled */
2968                 track->textures[i].enabled = false;
2969                 track->textures[i].roundup_w = true;
2970                 track->textures[i].roundup_h = true;
2971                 if (track->separate_cube)
2972                         for (face = 0; face < 5; face++) {
2973                                 track->textures[i].cube_info[face].robj = NULL;
2974                                 track->textures[i].cube_info[face].width = 16536;
2975                                 track->textures[i].cube_info[face].height = 16536;
2976                                 track->textures[i].cube_info[face].offset = 0;
2977                         }
2978         }
2979 }
2980
2981 int r100_ring_test(struct radeon_device *rdev)
2982 {
2983         uint32_t scratch;
2984         uint32_t tmp = 0;
2985         unsigned i;
2986         int r;
2987
2988         r = radeon_scratch_get(rdev, &scratch);
2989         if (r) {
2990                 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
2991                 return r;
2992         }
2993         WREG32(scratch, 0xCAFEDEAD);
2994         r = radeon_ring_lock(rdev, 2);
2995         if (r) {
2996                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2997                 radeon_scratch_free(rdev, scratch);
2998                 return r;
2999         }
3000         radeon_ring_write(rdev, PACKET0(scratch, 0));
3001         radeon_ring_write(rdev, 0xDEADBEEF);
3002         radeon_ring_unlock_commit(rdev);
3003         for (i = 0; i < rdev->usec_timeout; i++) {
3004                 tmp = RREG32(scratch);
3005                 if (tmp == 0xDEADBEEF) {
3006                         break;
3007                 }
3008                 DRM_UDELAY(1);
3009         }
3010         if (i < rdev->usec_timeout) {
3011                 DRM_INFO("ring test succeeded in %d usecs\n", i);
3012         } else {
3013                 DRM_ERROR("radeon: ring test failed (sracth(0x%04X)=0x%08X)\n",
3014                           scratch, tmp);
3015                 r = -EINVAL;
3016         }
3017         radeon_scratch_free(rdev, scratch);
3018         return r;
3019 }
3020
3021 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3022 {
3023         radeon_ring_write(rdev, PACKET0(RADEON_CP_IB_BASE, 1));
3024         radeon_ring_write(rdev, ib->gpu_addr);
3025         radeon_ring_write(rdev, ib->length_dw);
3026 }
3027
3028 int r100_ib_test(struct radeon_device *rdev)
3029 {
3030         struct radeon_ib *ib;
3031         uint32_t scratch;
3032         uint32_t tmp = 0;
3033         unsigned i;
3034         int r;
3035
3036         r = radeon_scratch_get(rdev, &scratch);
3037         if (r) {
3038                 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3039                 return r;
3040         }
3041         WREG32(scratch, 0xCAFEDEAD);
3042         r = radeon_ib_get(rdev, &ib);
3043         if (r) {
3044                 return r;
3045         }
3046         ib->ptr[0] = PACKET0(scratch, 0);
3047         ib->ptr[1] = 0xDEADBEEF;
3048         ib->ptr[2] = PACKET2(0);
3049         ib->ptr[3] = PACKET2(0);
3050         ib->ptr[4] = PACKET2(0);
3051         ib->ptr[5] = PACKET2(0);
3052         ib->ptr[6] = PACKET2(0);
3053         ib->ptr[7] = PACKET2(0);
3054         ib->length_dw = 8;
3055         r = radeon_ib_schedule(rdev, ib);
3056         if (r) {
3057                 radeon_scratch_free(rdev, scratch);
3058                 radeon_ib_free(rdev, &ib);
3059                 return r;
3060         }
3061         r = radeon_fence_wait(ib->fence, false);
3062         if (r) {
3063                 return r;
3064         }
3065         for (i = 0; i < rdev->usec_timeout; i++) {
3066                 tmp = RREG32(scratch);
3067                 if (tmp == 0xDEADBEEF) {
3068                         break;
3069                 }
3070                 DRM_UDELAY(1);
3071         }
3072         if (i < rdev->usec_timeout) {
3073                 DRM_INFO("ib test succeeded in %u usecs\n", i);
3074         } else {
3075                 DRM_ERROR("radeon: ib test failed (sracth(0x%04X)=0x%08X)\n",
3076                           scratch, tmp);
3077                 r = -EINVAL;
3078         }
3079         radeon_scratch_free(rdev, scratch);
3080         radeon_ib_free(rdev, &ib);
3081         return r;
3082 }
3083
3084 void r100_ib_fini(struct radeon_device *rdev)
3085 {
3086         radeon_ib_pool_fini(rdev);
3087 }
3088
3089 int r100_ib_init(struct radeon_device *rdev)
3090 {
3091         int r;
3092
3093         r = radeon_ib_pool_init(rdev);
3094         if (r) {
3095                 dev_err(rdev->dev, "failled initializing IB pool (%d).\n", r);
3096                 r100_ib_fini(rdev);
3097                 return r;
3098         }
3099         r = r100_ib_test(rdev);
3100         if (r) {
3101                 dev_err(rdev->dev, "failled testing IB (%d).\n", r);
3102                 r100_ib_fini(rdev);
3103                 return r;
3104         }
3105         return 0;
3106 }
3107
3108 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
3109 {
3110         /* Shutdown CP we shouldn't need to do that but better be safe than
3111          * sorry
3112          */
3113         rdev->cp.ready = false;
3114         WREG32(R_000740_CP_CSQ_CNTL, 0);
3115
3116         /* Save few CRTC registers */
3117         save->GENMO_WT = RREG32(R_0003C0_GENMO_WT);
3118         save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
3119         save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
3120         save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
3121         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3122                 save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
3123                 save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
3124         }
3125
3126         /* Disable VGA aperture access */
3127         WREG32(R_0003C0_GENMO_WT, C_0003C0_VGA_RAM_EN & save->GENMO_WT);
3128         /* Disable cursor, overlay, crtc */
3129         WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
3130         WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
3131                                         S_000054_CRTC_DISPLAY_DIS(1));
3132         WREG32(R_000050_CRTC_GEN_CNTL,
3133                         (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
3134                         S_000050_CRTC_DISP_REQ_EN_B(1));
3135         WREG32(R_000420_OV0_SCALE_CNTL,
3136                 C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
3137         WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
3138         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3139                 WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
3140                                                 S_000360_CUR2_LOCK(1));
3141                 WREG32(R_0003F8_CRTC2_GEN_CNTL,
3142                         (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
3143                         S_0003F8_CRTC2_DISPLAY_DIS(1) |
3144                         S_0003F8_CRTC2_DISP_REQ_EN_B(1));
3145                 WREG32(R_000360_CUR2_OFFSET,
3146                         C_000360_CUR2_LOCK & save->CUR2_OFFSET);
3147         }
3148 }
3149
3150 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
3151 {
3152         /* Update base address for crtc */
3153         WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_location);
3154         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3155                 WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR,
3156                                 rdev->mc.vram_location);
3157         }
3158         /* Restore CRTC registers */
3159         WREG32(R_0003C0_GENMO_WT, save->GENMO_WT);
3160         WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
3161         WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
3162         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3163                 WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
3164         }
3165 }