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 <linux/slab.h>
  30 #include "drmP.h"
  31 #include "drm.h"
  32 #include "radeon_drm.h"
  33 #include "radeon_reg.h"
  34 #include "radeon.h"
  35 #include "radeon_asic.h"
  36 #include "r100d.h"
  37 #include "rs100d.h"
  38 #include "rv200d.h"
  39 #include "rv250d.h"
  40
  41 #include <linux/firmware.h>
  42 #include <linux/platform_device.h>
  43
  44 #include "r100_reg_safe.h"
  45 #include "rn50_reg_safe.h"
  46
  47 /* Firmware Names */
  48 #define FIRMWARE_R100           "radeon/R100_cp.bin"
  49 #define FIRMWARE_R200           "radeon/R200_cp.bin"
  50 #define FIRMWARE_R300           "radeon/R300_cp.bin"
  51 #define FIRMWARE_R420           "radeon/R420_cp.bin"
  52 #define FIRMWARE_RS690          "radeon/RS690_cp.bin"
  53 #define FIRMWARE_RS600          "radeon/RS600_cp.bin"
  54 #define FIRMWARE_R520           "radeon/R520_cp.bin"
  55
  56 MODULE_FIRMWARE(FIRMWARE_R100);
  57 MODULE_FIRMWARE(FIRMWARE_R200);
  58 MODULE_FIRMWARE(FIRMWARE_R300);
  59 MODULE_FIRMWARE(FIRMWARE_R420);
  60 MODULE_FIRMWARE(FIRMWARE_RS690);
  61 MODULE_FIRMWARE(FIRMWARE_RS600);
  62 MODULE_FIRMWARE(FIRMWARE_R520);
  63
  64 #include "r100_track.h"
  65
  66 /* This files gather functions specifics to:
  67  * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
  68  */
  69
  70 /* hpd for digital panel detect/disconnect */
  71 bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
  72 {
  73         bool connected = false;
  74
  75         switch (hpd) {
  76         case RADEON_HPD_1:
  77                 if (RREG32(RADEON_FP_GEN_CNTL) & RADEON_FP_DETECT_SENSE)
  78                         connected = true;
  79                 break;
  80         case RADEON_HPD_2:
  81                 if (RREG32(RADEON_FP2_GEN_CNTL) & RADEON_FP2_DETECT_SENSE)
  82                         connected = true;
  83                 break;
  84         default:
  85                 break;
  86         }
  87         return connected;
  88 }
  89
  90 void r100_hpd_set_polarity(struct radeon_device *rdev,
  91                            enum radeon_hpd_id hpd)
  92 {
  93         u32 tmp;
  94         bool connected = r100_hpd_sense(rdev, hpd);
  95
  96         switch (hpd) {
  97         case RADEON_HPD_1:
  98                 tmp = RREG32(RADEON_FP_GEN_CNTL);
  99                 if (connected)
 100                         tmp &= ~RADEON_FP_DETECT_INT_POL;
 101                 else
 102                         tmp |= RADEON_FP_DETECT_INT_POL;
 103                 WREG32(RADEON_FP_GEN_CNTL, tmp);
 104                 break;
 105         case RADEON_HPD_2:
 106                 tmp = RREG32(RADEON_FP2_GEN_CNTL);
 107                 if (connected)
 108                         tmp &= ~RADEON_FP2_DETECT_INT_POL;
 109                 else
 110                         tmp |= RADEON_FP2_DETECT_INT_POL;
 111                 WREG32(RADEON_FP2_GEN_CNTL, tmp);
 112                 break;
 113         default:
 114                 break;
 115         }
 116 }
 117
 118 void r100_hpd_init(struct radeon_device *rdev)
 119 {
 120         struct drm_device *dev = rdev->ddev;
 121         struct drm_connector *connector;
 122
 123         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 124                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 125                 switch (radeon_connector->hpd.hpd) {
 126                 case RADEON_HPD_1:
 127                         rdev->irq.hpd[0] = true;
 128                         break;
 129                 case RADEON_HPD_2:
 130                         rdev->irq.hpd[1] = true;
 131                         break;
 132                 default:
 133                         break;
 134                 }
 135         }
 136         if (rdev->irq.installed)
 137                 r100_irq_set(rdev);
 138 }
 139
 140 void r100_hpd_fini(struct radeon_device *rdev)
 141 {
 142         struct drm_device *dev = rdev->ddev;
 143         struct drm_connector *connector;
 144
 145         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 146                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 147                 switch (radeon_connector->hpd.hpd) {
 148                 case RADEON_HPD_1:
 149                         rdev->irq.hpd[0] = false;
 150                         break;
 151                 case RADEON_HPD_2:
 152                         rdev->irq.hpd[1] = false;
 153                         break;
 154                 default:
 155                         break;
 156                 }
 157         }
 158 }
 159
 160 /*
 161  * PCI GART
 162  */
 163 void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
 164 {
 165         /* TODO: can we do somethings here ? */
 166         /* It seems hw only cache one entry so we should discard this
 167          * entry otherwise if first GPU GART read hit this entry it
 168          * could end up in wrong address. */
 169 }
 170
 171 int r100_pci_gart_init(struct radeon_device *rdev)
 172 {
 173         int r;
 174
 175         if (rdev->gart.table.ram.ptr) {
 176                 WARN(1, "R100 PCI GART already initialized.\n");
 177                 return 0;
 178         }
 179         /* Initialize common gart structure */
 180         r = radeon_gart_init(rdev);
 181         if (r)
 182                 return r;
 183         rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 184         rdev->asic->gart_tlb_flush = &r100_pci_gart_tlb_flush;
 185         rdev->asic->gart_set_page = &r100_pci_gart_set_page;
 186         return radeon_gart_table_ram_alloc(rdev);
 187 }
 188
 189 /* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
 190 void r100_enable_bm(struct radeon_device *rdev)
 191 {
 192         uint32_t tmp;
 193         /* Enable bus mastering */
 194         tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
 195         WREG32(RADEON_BUS_CNTL, tmp);
 196 }
 197
 198 int r100_pci_gart_enable(struct radeon_device *rdev)
 199 {
 200         uint32_t tmp;
 201
 202         radeon_gart_restore(rdev);
 203         /* discard memory request outside of configured range */
 204         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 205         WREG32(RADEON_AIC_CNTL, tmp);
 206         /* set address range for PCI address translate */
 207         WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start);
 208         WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end);
 209         /* set PCI GART page-table base address */
 210         WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
 211         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
 212         WREG32(RADEON_AIC_CNTL, tmp);
 213         r100_pci_gart_tlb_flush(rdev);
 214         rdev->gart.ready = true;
 215         return 0;
 216 }
 217
 218 void r100_pci_gart_disable(struct radeon_device *rdev)
 219 {
 220         uint32_t tmp;
 221
 222         /* discard memory request outside of configured range */
 223         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 224         WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
 225         WREG32(RADEON_AIC_LO_ADDR, 0);
 226         WREG32(RADEON_AIC_HI_ADDR, 0);
 227 }
 228
 229 int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
 230 {
 231         if (i < 0 || i > rdev->gart.num_gpu_pages) {
 232                 return -EINVAL;
 233         }
 234         rdev->gart.table.ram.ptr[i] = cpu_to_le32(lower_32_bits(addr));
 235         return 0;
 236 }
 237
 238 void r100_pci_gart_fini(struct radeon_device *rdev)
 239 {
 240         radeon_gart_fini(rdev);
 241         r100_pci_gart_disable(rdev);
 242         radeon_gart_table_ram_free(rdev);
 243 }
 244
 245 int r100_irq_set(struct radeon_device *rdev)
 246 {
 247         uint32_t tmp = 0;
 248
 249         if (!rdev->irq.installed) {
 250                 WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
 251                 WREG32(R_000040_GEN_INT_CNTL, 0);
 252                 return -EINVAL;
 253         }
 254         if (rdev->irq.sw_int) {
 255                 tmp |= RADEON_SW_INT_ENABLE;
 256         }
 257         if (rdev->irq.crtc_vblank_int[0]) {
 258                 tmp |= RADEON_CRTC_VBLANK_MASK;
 259         }
 260         if (rdev->irq.crtc_vblank_int[1]) {
 261                 tmp |= RADEON_CRTC2_VBLANK_MASK;
 262         }
 263         if (rdev->irq.hpd[0]) {
 264                 tmp |= RADEON_FP_DETECT_MASK;
 265         }
 266         if (rdev->irq.hpd[1]) {
 267                 tmp |= RADEON_FP2_DETECT_MASK;
 268         }
 269         WREG32(RADEON_GEN_INT_CNTL, tmp);
 270         return 0;
 271 }
 272
 273 void r100_irq_disable(struct radeon_device *rdev)
 274 {
 275         u32 tmp;
 276
 277         WREG32(R_000040_GEN_INT_CNTL, 0);
 278         /* Wait and acknowledge irq */
 279         mdelay(1);
 280         tmp = RREG32(R_000044_GEN_INT_STATUS);
 281         WREG32(R_000044_GEN_INT_STATUS, tmp);
 282 }
 283
 284 static inline uint32_t r100_irq_ack(struct radeon_device *rdev)
 285 {
 286         uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
 287         uint32_t irq_mask = RADEON_SW_INT_TEST |
 288                 RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
 289                 RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
 290
 291         if (irqs) {
 292                 WREG32(RADEON_GEN_INT_STATUS, irqs);
 293         }
 294         return irqs & irq_mask;
 295 }
 296
 297 int r100_irq_process(struct radeon_device *rdev)
 298 {
 299         uint32_t status, msi_rearm;
 300         bool queue_hotplug = false;
 301
 302         status = r100_irq_ack(rdev);
 303         if (!status) {
 304                 return IRQ_NONE;
 305         }
 306         if (rdev->shutdown) {
 307                 return IRQ_NONE;
 308         }
 309         while (status) {
 310                 /* SW interrupt */
 311                 if (status & RADEON_SW_INT_TEST) {
 312                         radeon_fence_process(rdev);
 313                 }
 314                 /* Vertical blank interrupts */
 315                 if (status & RADEON_CRTC_VBLANK_STAT) {
 316                         drm_handle_vblank(rdev->ddev, 0);
 317                         rdev->pm.vblank_sync = true;
 318                         wake_up(&rdev->irq.vblank_queue);
 319                 }
 320                 if (status & RADEON_CRTC2_VBLANK_STAT) {
 321                         drm_handle_vblank(rdev->ddev, 1);
 322                         rdev->pm.vblank_sync = true;
 323                         wake_up(&rdev->irq.vblank_queue);
 324                 }
 325                 if (status & RADEON_FP_DETECT_STAT) {
 326                         queue_hotplug = true;
 327                         DRM_DEBUG("HPD1\n");
 328                 }
 329                 if (status & RADEON_FP2_DETECT_STAT) {
 330                         queue_hotplug = true;
 331                         DRM_DEBUG("HPD2\n");
 332                 }
 333                 status = r100_irq_ack(rdev);
 334         }
 335         if (queue_hotplug)
 336                 queue_work(rdev->wq, &rdev->hotplug_work);
 337         if (rdev->msi_enabled) {
 338                 switch (rdev->family) {
 339                 case CHIP_RS400:
 340                 case CHIP_RS480:
 341                         msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
 342                         WREG32(RADEON_AIC_CNTL, msi_rearm);
 343                         WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
 344                         break;
 345                 default:
 346                         msi_rearm = RREG32(RADEON_MSI_REARM_EN) & ~RV370_MSI_REARM_EN;
 347                         WREG32(RADEON_MSI_REARM_EN, msi_rearm);
 348                         WREG32(RADEON_MSI_REARM_EN, msi_rearm | RV370_MSI_REARM_EN);
 349                         break;
 350                 }
 351         }
 352         return IRQ_HANDLED;
 353 }
 354
 355 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
 356 {
 357         if (crtc == 0)
 358                 return RREG32(RADEON_CRTC_CRNT_FRAME);
 359         else
 360                 return RREG32(RADEON_CRTC2_CRNT_FRAME);
 361 }
 362
 363 /* Who ever call radeon_fence_emit should call ring_lock and ask
 364  * for enough space (today caller are ib schedule and buffer move) */
 365 void r100_fence_ring_emit(struct radeon_device *rdev,
 366                           struct radeon_fence *fence)
 367 {
 368         /* We have to make sure that caches are flushed before
 369          * CPU might read something from VRAM. */
 370         radeon_ring_write(rdev, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));
 371         radeon_ring_write(rdev, RADEON_RB3D_DC_FLUSH_ALL);
 372         radeon_ring_write(rdev, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));
 373         radeon_ring_write(rdev, RADEON_RB3D_ZC_FLUSH_ALL);
 374         /* Wait until IDLE & CLEAN */
 375         radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
 376         radeon_ring_write(rdev, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN);
 377         radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 378         radeon_ring_write(rdev, rdev->config.r100.hdp_cntl |
 379                                 RADEON_HDP_READ_BUFFER_INVALIDATE);
 380         radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 381         radeon_ring_write(rdev, rdev->config.r100.hdp_cntl);
 382         /* Emit fence sequence & fire IRQ */
 383         radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0));
 384         radeon_ring_write(rdev, fence->seq);
 385         radeon_ring_write(rdev, PACKET0(RADEON_GEN_INT_STATUS, 0));
 386         radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
 387 }
 388
 389 int r100_wb_init(struct radeon_device *rdev)
 390 {
 391         int r;
 392
 393         if (rdev->wb.wb_obj == NULL) {
 394                 r = radeon_bo_create(rdev, NULL, RADEON_GPU_PAGE_SIZE, true,
 395                                         RADEON_GEM_DOMAIN_GTT,
 396                                         &rdev->wb.wb_obj);
 397                 if (r) {
 398                         dev_err(rdev->dev, "(%d) create WB buffer failed\n", r);
 399                         return r;
 400                 }
 401                 r = radeon_bo_reserve(rdev->wb.wb_obj, false);
 402                 if (unlikely(r != 0))
 403                         return r;
 404                 r = radeon_bo_pin(rdev->wb.wb_obj, RADEON_GEM_DOMAIN_GTT,
 405                                         &rdev->wb.gpu_addr);
 406                 if (r) {
 407                         dev_err(rdev->dev, "(%d) pin WB buffer failed\n", r);
 408                         radeon_bo_unreserve(rdev->wb.wb_obj);
 409                         return r;
 410                 }
 411                 r = radeon_bo_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb);
 412                 radeon_bo_unreserve(rdev->wb.wb_obj);
 413                 if (r) {
 414                         dev_err(rdev->dev, "(%d) map WB buffer failed\n", r);
 415                         return r;
 416                 }
 417         }
 418         WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr);
 419         WREG32(R_00070C_CP_RB_RPTR_ADDR,
 420                 S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + 1024) >> 2));
 421         WREG32(R_000770_SCRATCH_UMSK, 0xff);
 422         return 0;
 423 }
 424
 425 void r100_wb_disable(struct radeon_device *rdev)
 426 {
 427         WREG32(R_000770_SCRATCH_UMSK, 0);
 428 }
 429
 430 void r100_wb_fini(struct radeon_device *rdev)
 431 {
 432         int r;
 433
 434         r100_wb_disable(rdev);
 435         if (rdev->wb.wb_obj) {
 436                 r = radeon_bo_reserve(rdev->wb.wb_obj, false);
 437                 if (unlikely(r != 0)) {
 438                         dev_err(rdev->dev, "(%d) can't finish WB\n", r);
 439                         return;
 440                 }
 441                 radeon_bo_kunmap(rdev->wb.wb_obj);
 442                 radeon_bo_unpin(rdev->wb.wb_obj);
 443                 radeon_bo_unreserve(rdev->wb.wb_obj);
 444                 radeon_bo_unref(&rdev->wb.wb_obj);
 445                 rdev->wb.wb = NULL;
 446                 rdev->wb.wb_obj = NULL;
 447         }
 448 }
 449
 450 int r100_copy_blit(struct radeon_device *rdev,
 451                    uint64_t src_offset,
 452                    uint64_t dst_offset,
 453                    unsigned num_pages,
 454                    struct radeon_fence *fence)
 455 {
 456         uint32_t cur_pages;
 457         uint32_t stride_bytes = PAGE_SIZE;
 458         uint32_t pitch;
 459         uint32_t stride_pixels;
 460         unsigned ndw;
 461         int num_loops;
 462         int r = 0;
 463
 464         /* radeon limited to 16k stride */
 465         stride_bytes &= 0x3fff;
 466         /* radeon pitch is /64 */
 467         pitch = stride_bytes / 64;
 468         stride_pixels = stride_bytes / 4;
 469         num_loops = DIV_ROUND_UP(num_pages, 8191);
 470
 471         /* Ask for enough room for blit + flush + fence */
 472         ndw = 64 + (10 * num_loops);
 473         r = radeon_ring_lock(rdev, ndw);
 474         if (r) {
 475                 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
 476                 return -EINVAL;
 477         }
 478         while (num_pages > 0) {
 479                 cur_pages = num_pages;
 480                 if (cur_pages > 8191) {
 481                         cur_pages = 8191;
 482                 }
 483                 num_pages -= cur_pages;
 484
 485                 /* pages are in Y direction - height
 486                    page width in X direction - width */
 487                 radeon_ring_write(rdev, PACKET3(PACKET3_BITBLT_MULTI, 8));
 488                 radeon_ring_write(rdev,
 489                                   RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
 490                                   RADEON_GMC_DST_PITCH_OFFSET_CNTL |
 491                                   RADEON_GMC_SRC_CLIPPING |
 492                                   RADEON_GMC_DST_CLIPPING |
 493                                   RADEON_GMC_BRUSH_NONE |
 494                                   (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
 495                                   RADEON_GMC_SRC_DATATYPE_COLOR |
 496                                   RADEON_ROP3_S |
 497                                   RADEON_DP_SRC_SOURCE_MEMORY |
 498                                   RADEON_GMC_CLR_CMP_CNTL_DIS |
 499                                   RADEON_GMC_WR_MSK_DIS);
 500                 radeon_ring_write(rdev, (pitch << 22) | (src_offset >> 10));
 501                 radeon_ring_write(rdev, (pitch << 22) | (dst_offset >> 10));
 502                 radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
 503                 radeon_ring_write(rdev, 0);
 504                 radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
 505                 radeon_ring_write(rdev, num_pages);
 506                 radeon_ring_write(rdev, num_pages);
 507                 radeon_ring_write(rdev, cur_pages | (stride_pixels << 16));
 508         }
 509         radeon_ring_write(rdev, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
 510         radeon_ring_write(rdev, RADEON_RB2D_DC_FLUSH_ALL);
 511         radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
 512         radeon_ring_write(rdev,
 513                           RADEON_WAIT_2D_IDLECLEAN |
 514                           RADEON_WAIT_HOST_IDLECLEAN |
 515                           RADEON_WAIT_DMA_GUI_IDLE);
 516         if (fence) {
 517                 r = radeon_fence_emit(rdev, fence);
 518         }
 519         radeon_ring_unlock_commit(rdev);
 520         return r;
 521 }
 522
 523 static int r100_cp_wait_for_idle(struct radeon_device *rdev)
 524 {
 525         unsigned i;
 526         u32 tmp;
 527
 528         for (i = 0; i < rdev->usec_timeout; i++) {
 529                 tmp = RREG32(R_000E40_RBBM_STATUS);
 530                 if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
 531                         return 0;
 532                 }
 533                 udelay(1);
 534         }
 535         return -1;
 536 }
 537
 538 void r100_ring_start(struct radeon_device *rdev)
 539 {
 540         int r;
 541
 542         r = radeon_ring_lock(rdev, 2);
 543         if (r) {
 544                 return;
 545         }
 546         radeon_ring_write(rdev, PACKET0(RADEON_ISYNC_CNTL, 0));
 547         radeon_ring_write(rdev,
 548                           RADEON_ISYNC_ANY2D_IDLE3D |
 549                           RADEON_ISYNC_ANY3D_IDLE2D |
 550                           RADEON_ISYNC_WAIT_IDLEGUI |
 551                           RADEON_ISYNC_CPSCRATCH_IDLEGUI);
 552         radeon_ring_unlock_commit(rdev);
 553 }
 554
 555
 556 /* Load the microcode for the CP */
 557 static int r100_cp_init_microcode(struct radeon_device *rdev)
 558 {
 559         struct platform_device *pdev;
 560         const char *fw_name = NULL;
 561         int err;
 562
 563         DRM_DEBUG("\n");
 564
 565         pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
 566         err = IS_ERR(pdev);
 567         if (err) {
 568                 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
 569                 return -EINVAL;
 570         }
 571         if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
 572             (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
 573             (rdev->family == CHIP_RS200)) {
 574                 DRM_INFO("Loading R100 Microcode\n");
 575                 fw_name = FIRMWARE_R100;
 576         } else if ((rdev->family == CHIP_R200) ||
 577                    (rdev->family == CHIP_RV250) ||
 578                    (rdev->family == CHIP_RV280) ||
 579                    (rdev->family == CHIP_RS300)) {
 580                 DRM_INFO("Loading R200 Microcode\n");
 581                 fw_name = FIRMWARE_R200;
 582         } else if ((rdev->family == CHIP_R300) ||
 583                    (rdev->family == CHIP_R350) ||
 584                    (rdev->family == CHIP_RV350) ||
 585                    (rdev->family == CHIP_RV380) ||
 586                    (rdev->family == CHIP_RS400) ||
 587                    (rdev->family == CHIP_RS480)) {
 588                 DRM_INFO("Loading R300 Microcode\n");
 589                 fw_name = FIRMWARE_R300;
 590         } else if ((rdev->family == CHIP_R420) ||
 591                    (rdev->family == CHIP_R423) ||
 592                    (rdev->family == CHIP_RV410)) {
 593                 DRM_INFO("Loading R400 Microcode\n");
 594                 fw_name = FIRMWARE_R420;
 595         } else if ((rdev->family == CHIP_RS690) ||
 596                    (rdev->family == CHIP_RS740)) {
 597                 DRM_INFO("Loading RS690/RS740 Microcode\n");
 598                 fw_name = FIRMWARE_RS690;
 599         } else if (rdev->family == CHIP_RS600) {
 600                 DRM_INFO("Loading RS600 Microcode\n");
 601                 fw_name = FIRMWARE_RS600;
 602         } else if ((rdev->family == CHIP_RV515) ||
 603                    (rdev->family == CHIP_R520) ||
 604                    (rdev->family == CHIP_RV530) ||
 605                    (rdev->family == CHIP_R580) ||
 606                    (rdev->family == CHIP_RV560) ||
 607                    (rdev->family == CHIP_RV570)) {
 608                 DRM_INFO("Loading R500 Microcode\n");
 609                 fw_name = FIRMWARE_R520;
 610         }
 611
 612         err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
 613         platform_device_unregister(pdev);
 614         if (err) {
 615                 printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
 616                        fw_name);
 617         } else if (rdev->me_fw->size % 8) {
 618                 printk(KERN_ERR
 619                        "radeon_cp: Bogus length %zu in firmware \"%s\"\n",
 620                        rdev->me_fw->size, fw_name);
 621                 err = -EINVAL;
 622                 release_firmware(rdev->me_fw);
 623                 rdev->me_fw = NULL;
 624         }
 625         return err;
 626 }
 627
 628 static void r100_cp_load_microcode(struct radeon_device *rdev)
 629 {
 630         const __be32 *fw_data;
 631         int i, size;
 632
 633         if (r100_gui_wait_for_idle(rdev)) {
 634                 printk(KERN_WARNING "Failed to wait GUI idle while "
 635                        "programming pipes. Bad things might happen.\n");
 636         }
 637
 638         if (rdev->me_fw) {
 639                 size = rdev->me_fw->size / 4;
 640                 fw_data = (const __be32 *)&rdev->me_fw->data[0];
 641                 WREG32(RADEON_CP_ME_RAM_ADDR, 0);
 642                 for (i = 0; i < size; i += 2) {
 643                         WREG32(RADEON_CP_ME_RAM_DATAH,
 644                                be32_to_cpup(&fw_data[i]));
 645                         WREG32(RADEON_CP_ME_RAM_DATAL,
 646                                be32_to_cpup(&fw_data[i + 1]));
 647                 }
 648         }
 649 }
 650
 651 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
 652 {
 653         unsigned rb_bufsz;
 654         unsigned rb_blksz;
 655         unsigned max_fetch;
 656         unsigned pre_write_timer;
 657         unsigned pre_write_limit;
 658         unsigned indirect2_start;
 659         unsigned indirect1_start;
 660         uint32_t tmp;
 661         int r;
 662
 663         if (r100_debugfs_cp_init(rdev)) {
 664                 DRM_ERROR("Failed to register debugfs file for CP !\n");
 665         }
 666         if (!rdev->me_fw) {
 667                 r = r100_cp_init_microcode(rdev);
 668                 if (r) {
 669                         DRM_ERROR("Failed to load firmware!\n");
 670                         return r;
 671                 }
 672         }
 673
 674         /* Align ring size */
 675         rb_bufsz = drm_order(ring_size / 8);
 676         ring_size = (1 << (rb_bufsz + 1)) * 4;
 677         r100_cp_load_microcode(rdev);
 678         r = radeon_ring_init(rdev, ring_size);
 679         if (r) {
 680                 return r;
 681         }
 682         /* Each time the cp read 1024 bytes (16 dword/quadword) update
 683          * the rptr copy in system ram */
 684         rb_blksz = 9;
 685         /* cp will read 128bytes at a time (4 dwords) */
 686         max_fetch = 1;
 687         rdev->cp.align_mask = 16 - 1;
 688         /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
 689         pre_write_timer = 64;
 690         /* Force CP_RB_WPTR write if written more than one time before the
 691          * delay expire
 692          */
 693         pre_write_limit = 0;
 694         /* Setup the cp cache like this (cache size is 96 dwords) :
 695          *      RING            0  to 15
 696          *      INDIRECT1       16 to 79
 697          *      INDIRECT2       80 to 95
 698          * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
 699          *    indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
 700          *    indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
 701          * Idea being that most of the gpu cmd will be through indirect1 buffer
 702          * so it gets the bigger cache.
 703          */
 704         indirect2_start = 80;
 705         indirect1_start = 16;
 706         /* cp setup */
 707         WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
 708         tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
 709                REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
 710                REG_SET(RADEON_MAX_FETCH, max_fetch) |
 711                RADEON_RB_NO_UPDATE);
 712 #ifdef __BIG_ENDIAN
 713         tmp |= RADEON_BUF_SWAP_32BIT;
 714 #endif
 715         WREG32(RADEON_CP_RB_CNTL, tmp);
 716
 717         /* Set ring address */
 718         DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)rdev->cp.gpu_addr);
 719         WREG32(RADEON_CP_RB_BASE, rdev->cp.gpu_addr);
 720         /* Force read & write ptr to 0 */
 721         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
 722         WREG32(RADEON_CP_RB_RPTR_WR, 0);
 723         WREG32(RADEON_CP_RB_WPTR, 0);
 724         WREG32(RADEON_CP_RB_CNTL, tmp);
 725         udelay(10);
 726         rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
 727         rdev->cp.wptr = RREG32(RADEON_CP_RB_WPTR);
 728         /* protect against crazy HW on resume */
 729         rdev->cp.wptr &= rdev->cp.ptr_mask;
 730         /* Set cp mode to bus mastering & enable cp*/
 731         WREG32(RADEON_CP_CSQ_MODE,
 732                REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
 733                REG_SET(RADEON_INDIRECT1_START, indirect1_start));
 734         WREG32(0x718, 0);
 735         WREG32(0x744, 0x00004D4D);
 736         WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
 737         radeon_ring_start(rdev);
 738         r = radeon_ring_test(rdev);
 739         if (r) {
 740                 DRM_ERROR("radeon: cp isn't working (%d).\n", r);
 741                 return r;
 742         }
 743         rdev->cp.ready = true;
 744         return 0;
 745 }
 746
 747 void r100_cp_fini(struct radeon_device *rdev)
 748 {
 749         if (r100_cp_wait_for_idle(rdev)) {
 750                 DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
 751         }
 752         /* Disable ring */
 753         r100_cp_disable(rdev);
 754         radeon_ring_fini(rdev);
 755         DRM_INFO("radeon: cp finalized\n");
 756 }
 757
 758 void r100_cp_disable(struct radeon_device *rdev)
 759 {
 760         /* Disable ring */
 761         rdev->cp.ready = false;
 762         WREG32(RADEON_CP_CSQ_MODE, 0);
 763         WREG32(RADEON_CP_CSQ_CNTL, 0);
 764         if (r100_gui_wait_for_idle(rdev)) {
 765                 printk(KERN_WARNING "Failed to wait GUI idle while "
 766                        "programming pipes. Bad things might happen.\n");
 767         }
 768 }
 769
 770 void r100_cp_commit(struct radeon_device *rdev)
 771 {
 772         WREG32(RADEON_CP_RB_WPTR, rdev->cp.wptr);
 773         (void)RREG32(RADEON_CP_RB_WPTR);
 774 }
 775
 776
 777 /*
 778  * CS functions
 779  */
 780 int r100_cs_parse_packet0(struct radeon_cs_parser *p,
 781                           struct radeon_cs_packet *pkt,
 782                           const unsigned *auth, unsigned n,
 783                           radeon_packet0_check_t check)
 784 {
 785         unsigned reg;
 786         unsigned i, j, m;
 787         unsigned idx;
 788         int r;
 789
 790         idx = pkt->idx + 1;
 791         reg = pkt->reg;
 792         /* Check that register fall into register range
 793          * determined by the number of entry (n) in the
 794          * safe register bitmap.
 795          */
 796         if (pkt->one_reg_wr) {
 797                 if ((reg >> 7) > n) {
 798                         return -EINVAL;
 799                 }
 800         } else {
 801                 if (((reg + (pkt->count << 2)) >> 7) > n) {
 802                         return -EINVAL;
 803                 }
 804         }
 805         for (i = 0; i <= pkt->count; i++, idx++) {
 806                 j = (reg >> 7);
 807                 m = 1 << ((reg >> 2) & 31);
 808                 if (auth[j] & m) {
 809                         r = check(p, pkt, idx, reg);
 810                         if (r) {
 811                                 return r;
 812                         }
 813                 }
 814                 if (pkt->one_reg_wr) {
 815                         if (!(auth[j] & m)) {
 816                                 break;
 817                         }
 818                 } else {
 819                         reg += 4;
 820                 }
 821         }
 822         return 0;
 823 }
 824
 825 void r100_cs_dump_packet(struct radeon_cs_parser *p,
 826                          struct radeon_cs_packet *pkt)
 827 {
 828         volatile uint32_t *ib;
 829         unsigned i;
 830         unsigned idx;
 831
 832         ib = p->ib->ptr;
 833         idx = pkt->idx;
 834         for (i = 0; i <= (pkt->count + 1); i++, idx++) {
 835                 DRM_INFO("ib[%d]=0x%08X\n", idx, ib[idx]);
 836         }
 837 }
 838
 839 /**
 840  * r100_cs_packet_parse() - parse cp packet and point ib index to next packet
 841  * @parser:     parser structure holding parsing context.
 842  * @pkt:        where to store packet informations
 843  *
 844  * Assume that chunk_ib_index is properly set. Will return -EINVAL
 845  * if packet is bigger than remaining ib size. or if packets is unknown.
 846  **/
 847 int r100_cs_packet_parse(struct radeon_cs_parser *p,
 848                          struct radeon_cs_packet *pkt,
 849                          unsigned idx)
 850 {
 851         struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
 852         uint32_t header;
 853
 854         if (idx >= ib_chunk->length_dw) {
 855                 DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
 856                           idx, ib_chunk->length_dw);
 857                 return -EINVAL;
 858         }
 859         header = radeon_get_ib_value(p, idx);
 860         pkt->idx = idx;
 861         pkt->type = CP_PACKET_GET_TYPE(header);
 862         pkt->count = CP_PACKET_GET_COUNT(header);
 863         switch (pkt->type) {
 864         case PACKET_TYPE0:
 865                 pkt->reg = CP_PACKET0_GET_REG(header);
 866                 pkt->one_reg_wr = CP_PACKET0_GET_ONE_REG_WR(header);
 867                 break;
 868         case PACKET_TYPE3:
 869                 pkt->opcode = CP_PACKET3_GET_OPCODE(header);
 870                 break;
 871         case PACKET_TYPE2:
 872                 pkt->count = -1;
 873                 break;
 874         default:
 875                 DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
 876                 return -EINVAL;
 877         }
 878         if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
 879                 DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
 880                           pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
 881                 return -EINVAL;
 882         }
 883         return 0;
 884 }
 885
 886 /**
 887  * r100_cs_packet_next_vline() - parse userspace VLINE packet
 888  * @parser:             parser structure holding parsing context.
 889  *
 890  * Userspace sends a special sequence for VLINE waits.
 891  * PACKET0 - VLINE_START_END + value
 892  * PACKET0 - WAIT_UNTIL +_value
 893  * RELOC (P3) - crtc_id in reloc.
 894  *
 895  * This function parses this and relocates the VLINE START END
 896  * and WAIT UNTIL packets to the correct crtc.
 897  * It also detects a switched off crtc and nulls out the
 898  * wait in that case.
 899  */
 900 int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
 901 {
 902         struct drm_mode_object *obj;
 903         struct drm_crtc *crtc;
 904         struct radeon_crtc *radeon_crtc;
 905         struct radeon_cs_packet p3reloc, waitreloc;
 906         int crtc_id;
 907         int r;
 908         uint32_t header, h_idx, reg;
 909         volatile uint32_t *ib;
 910
 911         ib = p->ib->ptr;
 912
 913         /* parse the wait until */
 914         r = r100_cs_packet_parse(p, &waitreloc, p->idx);
 915         if (r)
 916                 return r;
 917
 918         /* check its a wait until and only 1 count */
 919         if (waitreloc.reg != RADEON_WAIT_UNTIL ||
 920             waitreloc.count != 0) {
 921                 DRM_ERROR("vline wait had illegal wait until segment\n");
 922                 r = -EINVAL;
 923                 return r;
 924         }
 925
 926         if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) {
 927                 DRM_ERROR("vline wait had illegal wait until\n");
 928                 r = -EINVAL;
 929                 return r;
 930         }
 931
 932         /* jump over the NOP */
 933         r = r100_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
 934         if (r)
 935                 return r;
 936
 937         h_idx = p->idx - 2;
 938         p->idx += waitreloc.count + 2;
 939         p->idx += p3reloc.count + 2;
 940
 941         header = radeon_get_ib_value(p, h_idx);
 942         crtc_id = radeon_get_ib_value(p, h_idx + 5);
 943         reg = CP_PACKET0_GET_REG(header);
 944         mutex_lock(&p->rdev->ddev->mode_config.mutex);
 945         obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
 946         if (!obj) {
 947                 DRM_ERROR("cannot find crtc %d\n", crtc_id);
 948                 r = -EINVAL;
 949                 goto out;
 950         }
 951         crtc = obj_to_crtc(obj);
 952         radeon_crtc = to_radeon_crtc(crtc);
 953         crtc_id = radeon_crtc->crtc_id;
 954
 955         if (!crtc->enabled) {
 956                 /* if the CRTC isn't enabled - we need to nop out the wait until */
 957                 ib[h_idx + 2] = PACKET2(0);
 958                 ib[h_idx + 3] = PACKET2(0);
 959         } else if (crtc_id == 1) {
 960                 switch (reg) {
 961                 case AVIVO_D1MODE_VLINE_START_END:
 962                         header &= ~R300_CP_PACKET0_REG_MASK;
 963                         header |= AVIVO_D2MODE_VLINE_START_END >> 2;
 964                         break;
 965                 case RADEON_CRTC_GUI_TRIG_VLINE:
 966                         header &= ~R300_CP_PACKET0_REG_MASK;
 967                         header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2;
 968                         break;
 969                 default:
 970                         DRM_ERROR("unknown crtc reloc\n");
 971                         r = -EINVAL;
 972                         goto out;
 973                 }
 974                 ib[h_idx] = header;
 975                 ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1;
 976         }
 977 out:
 978         mutex_unlock(&p->rdev->ddev->mode_config.mutex);
 979         return r;
 980 }
 981
 982 /**
 983  * r100_cs_packet_next_reloc() - parse next packet which should be reloc packet3
 984  * @parser:             parser structure holding parsing context.
 985  * @data:               pointer to relocation data
 986  * @offset_start:       starting offset
 987  * @offset_mask:        offset mask (to align start offset on)
 988  * @reloc:              reloc informations
 989  *
 990  * Check next packet is relocation packet3, do bo validation and compute
 991  * GPU offset using the provided start.
 992  **/
 993 int r100_cs_packet_next_reloc(struct radeon_cs_parser *p,
 994                               struct radeon_cs_reloc **cs_reloc)
 995 {
 996         struct radeon_cs_chunk *relocs_chunk;
 997         struct radeon_cs_packet p3reloc;
 998         unsigned idx;
 999         int r;
1000
1001         if (p->chunk_relocs_idx == -1) {
1002                 DRM_ERROR("No relocation chunk !\n");
1003                 return -EINVAL;
1004         }
1005         *cs_reloc = NULL;
1006         relocs_chunk = &p->chunks[p->chunk_relocs_idx];
1007         r = r100_cs_packet_parse(p, &p3reloc, p->idx);
1008         if (r) {
1009                 return r;
1010         }
1011         p->idx += p3reloc.count + 2;
1012         if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
1013                 DRM_ERROR("No packet3 for relocation for packet at %d.\n",
1014                           p3reloc.idx);
1015                 r100_cs_dump_packet(p, &p3reloc);
1016                 return -EINVAL;
1017         }
1018         idx = radeon_get_ib_value(p, p3reloc.idx + 1);
1019         if (idx >= relocs_chunk->length_dw) {
1020                 DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
1021                           idx, relocs_chunk->length_dw);
1022                 r100_cs_dump_packet(p, &p3reloc);
1023                 return -EINVAL;
1024         }
1025         /* FIXME: we assume reloc size is 4 dwords */
1026         *cs_reloc = p->relocs_ptr[(idx / 4)];
1027         return 0;
1028 }
1029
1030 static int r100_get_vtx_size(uint32_t vtx_fmt)
1031 {
1032         int vtx_size;
1033         vtx_size = 2;
1034         /* ordered according to bits in spec */
1035         if (vtx_fmt & RADEON_SE_VTX_FMT_W0)
1036                 vtx_size++;
1037         if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR)
1038                 vtx_size += 3;
1039         if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA)
1040                 vtx_size++;
1041         if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR)
1042                 vtx_size++;
1043         if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC)
1044                 vtx_size += 3;
1045         if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG)
1046                 vtx_size++;
1047         if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC)
1048                 vtx_size++;
1049         if (vtx_fmt & RADEON_SE_VTX_FMT_ST0)
1050                 vtx_size += 2;
1051         if (vtx_fmt & RADEON_SE_VTX_FMT_ST1)
1052                 vtx_size += 2;
1053         if (vtx_fmt & RADEON_SE_VTX_FMT_Q1)
1054                 vtx_size++;
1055         if (vtx_fmt & RADEON_SE_VTX_FMT_ST2)
1056                 vtx_size += 2;
1057         if (vtx_fmt & RADEON_SE_VTX_FMT_Q2)
1058                 vtx_size++;
1059         if (vtx_fmt & RADEON_SE_VTX_FMT_ST3)
1060                 vtx_size += 2;
1061         if (vtx_fmt & RADEON_SE_VTX_FMT_Q3)
1062                 vtx_size++;
1063         if (vtx_fmt & RADEON_SE_VTX_FMT_Q0)
1064                 vtx_size++;
1065         /* blend weight */
1066         if (vtx_fmt & (0x7 << 15))
1067                 vtx_size += (vtx_fmt >> 15) & 0x7;
1068         if (vtx_fmt & RADEON_SE_VTX_FMT_N0)
1069                 vtx_size += 3;
1070         if (vtx_fmt & RADEON_SE_VTX_FMT_XY1)
1071                 vtx_size += 2;
1072         if (vtx_fmt & RADEON_SE_VTX_FMT_Z1)
1073                 vtx_size++;
1074         if (vtx_fmt & RADEON_SE_VTX_FMT_W1)
1075                 vtx_size++;
1076         if (vtx_fmt & RADEON_SE_VTX_FMT_N1)
1077                 vtx_size++;
1078         if (vtx_fmt & RADEON_SE_VTX_FMT_Z)
1079                 vtx_size++;
1080         return vtx_size;
1081 }
1082
1083 static int r100_packet0_check(struct radeon_cs_parser *p,
1084                               struct radeon_cs_packet *pkt,
1085                               unsigned idx, unsigned reg)
1086 {
1087         struct radeon_cs_reloc *reloc;
1088         struct r100_cs_track *track;
1089         volatile uint32_t *ib;
1090         uint32_t tmp;
1091         int r;
1092         int i, face;
1093         u32 tile_flags = 0;
1094         u32 idx_value;
1095
1096         ib = p->ib->ptr;
1097         track = (struct r100_cs_track *)p->track;
1098
1099         idx_value = radeon_get_ib_value(p, idx);
1100
1101         switch (reg) {
1102         case RADEON_CRTC_GUI_TRIG_VLINE:
1103                 r = r100_cs_packet_parse_vline(p);
1104                 if (r) {
1105                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1106                                   idx, reg);
1107                         r100_cs_dump_packet(p, pkt);
1108                         return r;
1109                 }
1110                 break;
1111                 /* FIXME: only allow PACKET3 blit? easier to check for out of
1112                  * range access */
1113         case RADEON_DST_PITCH_OFFSET:
1114         case RADEON_SRC_PITCH_OFFSET:
1115                 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
1116                 if (r)
1117                         return r;
1118                 break;
1119         case RADEON_RB3D_DEPTHOFFSET:
1120                 r = r100_cs_packet_next_reloc(p, &reloc);
1121                 if (r) {
1122                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1123                                   idx, reg);
1124                         r100_cs_dump_packet(p, pkt);
1125                         return r;
1126                 }
1127                 track->zb.robj = reloc->robj;
1128                 track->zb.offset = idx_value;
1129                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1130                 break;
1131         case RADEON_RB3D_COLOROFFSET:
1132                 r = r100_cs_packet_next_reloc(p, &reloc);
1133                 if (r) {
1134                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1135                                   idx, reg);
1136                         r100_cs_dump_packet(p, pkt);
1137                         return r;
1138                 }
1139                 track->cb[0].robj = reloc->robj;
1140                 track->cb[0].offset = idx_value;
1141                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1142                 break;
1143         case RADEON_PP_TXOFFSET_0:
1144         case RADEON_PP_TXOFFSET_1:
1145         case RADEON_PP_TXOFFSET_2:
1146                 i = (reg - RADEON_PP_TXOFFSET_0) / 24;
1147                 r = r100_cs_packet_next_reloc(p, &reloc);
1148                 if (r) {
1149                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1150                                   idx, reg);
1151                         r100_cs_dump_packet(p, pkt);
1152                         return r;
1153                 }
1154                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1155                 track->textures[i].robj = reloc->robj;
1156                 break;
1157         case RADEON_PP_CUBIC_OFFSET_T0_0:
1158         case RADEON_PP_CUBIC_OFFSET_T0_1:
1159         case RADEON_PP_CUBIC_OFFSET_T0_2:
1160         case RADEON_PP_CUBIC_OFFSET_T0_3:
1161         case RADEON_PP_CUBIC_OFFSET_T0_4:
1162                 i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4;
1163                 r = r100_cs_packet_next_reloc(p, &reloc);
1164                 if (r) {
1165                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1166                                   idx, reg);
1167                         r100_cs_dump_packet(p, pkt);
1168                         return r;
1169                 }
1170                 track->textures[0].cube_info[i].offset = idx_value;
1171                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1172                 track->textures[0].cube_info[i].robj = reloc->robj;
1173                 break;
1174         case RADEON_PP_CUBIC_OFFSET_T1_0:
1175         case RADEON_PP_CUBIC_OFFSET_T1_1:
1176         case RADEON_PP_CUBIC_OFFSET_T1_2:
1177         case RADEON_PP_CUBIC_OFFSET_T1_3:
1178         case RADEON_PP_CUBIC_OFFSET_T1_4:
1179                 i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4;
1180                 r = r100_cs_packet_next_reloc(p, &reloc);
1181                 if (r) {
1182                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1183                                   idx, reg);
1184                         r100_cs_dump_packet(p, pkt);
1185                         return r;
1186                 }
1187                 track->textures[1].cube_info[i].offset = idx_value;
1188                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1189                 track->textures[1].cube_info[i].robj = reloc->robj;
1190                 break;
1191         case RADEON_PP_CUBIC_OFFSET_T2_0:
1192         case RADEON_PP_CUBIC_OFFSET_T2_1:
1193         case RADEON_PP_CUBIC_OFFSET_T2_2:
1194         case RADEON_PP_CUBIC_OFFSET_T2_3:
1195         case RADEON_PP_CUBIC_OFFSET_T2_4:
1196                 i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4;
1197                 r = r100_cs_packet_next_reloc(p, &reloc);
1198                 if (r) {
1199                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1200                                   idx, reg);
1201                         r100_cs_dump_packet(p, pkt);
1202                         return r;
1203                 }
1204                 track->textures[2].cube_info[i].offset = idx_value;
1205                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1206                 track->textures[2].cube_info[i].robj = reloc->robj;
1207                 break;
1208         case RADEON_RE_WIDTH_HEIGHT:
1209                 track->maxy = ((idx_value >> 16) & 0x7FF);
1210                 break;
1211         case RADEON_RB3D_COLORPITCH:
1212                 r = r100_cs_packet_next_reloc(p, &reloc);
1213                 if (r) {
1214                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1215                                   idx, reg);
1216                         r100_cs_dump_packet(p, pkt);
1217                         return r;
1218                 }
1219
1220                 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
1221                         tile_flags |= RADEON_COLOR_TILE_ENABLE;
1222                 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
1223                         tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
1224
1225                 tmp = idx_value & ~(0x7 << 16);
1226                 tmp |= tile_flags;
1227                 ib[idx] = tmp;
1228
1229                 track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
1230                 break;
1231         case RADEON_RB3D_DEPTHPITCH:
1232                 track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
1233                 break;
1234         case RADEON_RB3D_CNTL:
1235                 switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
1236                 case 7:
1237                 case 8:
1238                 case 9:
1239                 case 11:
1240                 case 12:
1241                         track->cb[0].cpp = 1;
1242                         break;
1243                 case 3:
1244                 case 4:
1245                 case 15:
1246                         track->cb[0].cpp = 2;
1247                         break;
1248                 case 6:
1249                         track->cb[0].cpp = 4;
1250                         break;
1251                 default:
1252                         DRM_ERROR("Invalid color buffer format (%d) !\n",
1253                                   ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
1254                         return -EINVAL;
1255                 }
1256                 track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
1257                 break;
1258         case RADEON_RB3D_ZSTENCILCNTL:
1259                 switch (idx_value & 0xf) {
1260                 case 0:
1261                         track->zb.cpp = 2;
1262                         break;
1263                 case 2:
1264                 case 3:
1265                 case 4:
1266                 case 5:
1267                 case 9:
1268                 case 11:
1269                         track->zb.cpp = 4;
1270                         break;
1271                 default:
1272                         break;
1273                 }
1274                 break;
1275         case RADEON_RB3D_ZPASS_ADDR:
1276                 r = r100_cs_packet_next_reloc(p, &reloc);
1277                 if (r) {
1278                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1279                                   idx, reg);
1280                         r100_cs_dump_packet(p, pkt);
1281                         return r;
1282                 }
1283                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1284                 break;
1285         case RADEON_PP_CNTL:
1286                 {
1287                         uint32_t temp = idx_value >> 4;
1288                         for (i = 0; i < track->num_texture; i++)
1289                                 track->textures[i].enabled = !!(temp & (1 << i));
1290                 }
1291                 break;
1292         case RADEON_SE_VF_CNTL:
1293                 track->vap_vf_cntl = idx_value;
1294                 break;
1295         case RADEON_SE_VTX_FMT:
1296                 track->vtx_size = r100_get_vtx_size(idx_value);
1297                 break;
1298         case RADEON_PP_TEX_SIZE_0:
1299         case RADEON_PP_TEX_SIZE_1:
1300         case RADEON_PP_TEX_SIZE_2:
1301                 i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
1302                 track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
1303                 track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
1304                 break;
1305         case RADEON_PP_TEX_PITCH_0:
1306         case RADEON_PP_TEX_PITCH_1:
1307         case RADEON_PP_TEX_PITCH_2:
1308                 i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
1309                 track->textures[i].pitch = idx_value + 32;
1310                 break;
1311         case RADEON_PP_TXFILTER_0:
1312         case RADEON_PP_TXFILTER_1:
1313         case RADEON_PP_TXFILTER_2:
1314                 i = (reg - RADEON_PP_TXFILTER_0) / 24;
1315                 track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK)
1316                                                  >> RADEON_MAX_MIP_LEVEL_SHIFT);
1317                 tmp = (idx_value >> 23) & 0x7;
1318                 if (tmp == 2 || tmp == 6)
1319                         track->textures[i].roundup_w = false;
1320                 tmp = (idx_value >> 27) & 0x7;
1321                 if (tmp == 2 || tmp == 6)
1322                         track->textures[i].roundup_h = false;
1323                 break;
1324         case RADEON_PP_TXFORMAT_0:
1325         case RADEON_PP_TXFORMAT_1:
1326         case RADEON_PP_TXFORMAT_2:
1327                 i = (reg - RADEON_PP_TXFORMAT_0) / 24;
1328                 if (idx_value & RADEON_TXFORMAT_NON_POWER2) {
1329                         track->textures[i].use_pitch = 1;
1330                 } else {
1331                         track->textures[i].use_pitch = 0;
1332                         track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
1333                         track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
1334                 }
1335                 if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
1336                         track->textures[i].tex_coord_type = 2;
1337                 switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
1338                 case RADEON_TXFORMAT_I8:
1339                 case RADEON_TXFORMAT_RGB332:
1340                 case RADEON_TXFORMAT_Y8:
1341                         track->textures[i].cpp = 1;
1342                         break;
1343                 case RADEON_TXFORMAT_AI88:
1344                 case RADEON_TXFORMAT_ARGB1555:
1345                 case RADEON_TXFORMAT_RGB565:
1346                 case RADEON_TXFORMAT_ARGB4444:
1347                 case RADEON_TXFORMAT_VYUY422:
1348                 case RADEON_TXFORMAT_YVYU422:
1349                 case RADEON_TXFORMAT_SHADOW16:
1350                 case RADEON_TXFORMAT_LDUDV655:
1351                 case RADEON_TXFORMAT_DUDV88:
1352                         track->textures[i].cpp = 2;
1353                         break;
1354                 case RADEON_TXFORMAT_ARGB8888:
1355                 case RADEON_TXFORMAT_RGBA8888:
1356                 case RADEON_TXFORMAT_SHADOW32:
1357                 case RADEON_TXFORMAT_LDUDUV8888:
1358                         track->textures[i].cpp = 4;
1359                         break;
1360                 case RADEON_TXFORMAT_DXT1:
1361                         track->textures[i].cpp = 1;
1362                         track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
1363                         break;
1364                 case RADEON_TXFORMAT_DXT23:
1365                 case RADEON_TXFORMAT_DXT45:
1366                         track->textures[i].cpp = 1;
1367                         track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
1368                         break;
1369                 }
1370                 track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
1371                 track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
1372                 break;
1373         case RADEON_PP_CUBIC_FACES_0:
1374         case RADEON_PP_CUBIC_FACES_1:
1375         case RADEON_PP_CUBIC_FACES_2:
1376                 tmp = idx_value;
1377                 i = (reg - RADEON_PP_CUBIC_FACES_0) / 4;
1378                 for (face = 0; face < 4; face++) {
1379                         track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
1380                         track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
1381                 }
1382                 break;
1383         default:
1384                 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1385                        reg, idx);
1386                 return -EINVAL;
1387         }
1388         return 0;
1389 }
1390
1391 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
1392                                          struct radeon_cs_packet *pkt,
1393                                          struct radeon_bo *robj)
1394 {
1395         unsigned idx;
1396         u32 value;
1397         idx = pkt->idx + 1;
1398         value = radeon_get_ib_value(p, idx + 2);
1399         if ((value + 1) > radeon_bo_size(robj)) {
1400                 DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
1401                           "(need %u have %lu) !\n",
1402                           value + 1,
1403                           radeon_bo_size(robj));
1404                 return -EINVAL;
1405         }
1406         return 0;
1407 }
1408
1409 static int r100_packet3_check(struct radeon_cs_parser *p,
1410                               struct radeon_cs_packet *pkt)
1411 {
1412         struct radeon_cs_reloc *reloc;
1413         struct r100_cs_track *track;
1414         unsigned idx;
1415         volatile uint32_t *ib;
1416         int r;
1417
1418         ib = p->ib->ptr;
1419         idx = pkt->idx + 1;
1420         track = (struct r100_cs_track *)p->track;
1421         switch (pkt->opcode) {
1422         case PACKET3_3D_LOAD_VBPNTR:
1423                 r = r100_packet3_load_vbpntr(p, pkt, idx);
1424                 if (r)
1425                         return r;
1426                 break;
1427         case PACKET3_INDX_BUFFER:
1428                 r = r100_cs_packet_next_reloc(p, &reloc);
1429                 if (r) {
1430                         DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1431                         r100_cs_dump_packet(p, pkt);
1432                         return r;
1433                 }
1434                 ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->lobj.gpu_offset);
1435                 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1436                 if (r) {
1437                         return r;
1438                 }
1439                 break;
1440         case 0x23:
1441                 /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
1442                 r = r100_cs_packet_next_reloc(p, &reloc);
1443                 if (r) {
1444                         DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1445                         r100_cs_dump_packet(p, pkt);
1446                         return r;
1447                 }
1448                 ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->lobj.gpu_offset);
1449                 track->num_arrays = 1;
1450                 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
1451
1452                 track->arrays[0].robj = reloc->robj;
1453                 track->arrays[0].esize = track->vtx_size;
1454
1455                 track->max_indx = radeon_get_ib_value(p, idx+1);
1456
1457                 track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
1458                 track->immd_dwords = pkt->count - 1;
1459                 r = r100_cs_track_check(p->rdev, track);
1460                 if (r)
1461                         return r;
1462                 break;
1463         case PACKET3_3D_DRAW_IMMD:
1464                 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1465                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1466                         return -EINVAL;
1467                 }
1468                 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 0));
1469                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1470                 track->immd_dwords = pkt->count - 1;
1471                 r = r100_cs_track_check(p->rdev, track);
1472                 if (r)
1473                         return r;
1474                 break;
1475                 /* triggers drawing using in-packet vertex data */
1476         case PACKET3_3D_DRAW_IMMD_2:
1477                 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1478                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1479                         return -EINVAL;
1480                 }
1481                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1482                 track->immd_dwords = pkt->count;
1483                 r = r100_cs_track_check(p->rdev, track);
1484                 if (r)
1485                         return r;
1486                 break;
1487                 /* triggers drawing using in-packet vertex data */
1488         case PACKET3_3D_DRAW_VBUF_2:
1489                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1490                 r = r100_cs_track_check(p->rdev, track);
1491                 if (r)
1492                         return r;
1493                 break;
1494                 /* triggers drawing of vertex buffers setup elsewhere */
1495         case PACKET3_3D_DRAW_INDX_2:
1496                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1497                 r = r100_cs_track_check(p->rdev, track);
1498                 if (r)
1499                         return r;
1500                 break;
1501                 /* triggers drawing using indices to vertex buffer */
1502         case PACKET3_3D_DRAW_VBUF:
1503                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1504                 r = r100_cs_track_check(p->rdev, track);
1505                 if (r)
1506                         return r;
1507                 break;
1508                 /* triggers drawing of vertex buffers setup elsewhere */
1509         case PACKET3_3D_DRAW_INDX:
1510                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1511                 r = r100_cs_track_check(p->rdev, track);
1512                 if (r)
1513                         return r;
1514                 break;
1515                 /* triggers drawing using indices to vertex buffer */
1516         case PACKET3_NOP:
1517                 break;
1518         default:
1519                 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1520                 return -EINVAL;
1521         }
1522         return 0;
1523 }
1524
1525 int r100_cs_parse(struct radeon_cs_parser *p)
1526 {
1527         struct radeon_cs_packet pkt;
1528         struct r100_cs_track *track;
1529         int r;
1530
1531         track = kzalloc(sizeof(*track), GFP_KERNEL);
1532         r100_cs_track_clear(p->rdev, track);
1533         p->track = track;
1534         do {
1535                 r = r100_cs_packet_parse(p, &pkt, p->idx);
1536                 if (r) {
1537                         return r;
1538                 }
1539                 p->idx += pkt.count + 2;
1540                 switch (pkt.type) {
1541                         case PACKET_TYPE0:
1542                                 if (p->rdev->family >= CHIP_R200)
1543                                         r = r100_cs_parse_packet0(p, &pkt,
1544                                                                   p->rdev->config.r100.reg_safe_bm,
1545                                                                   p->rdev->config.r100.reg_safe_bm_size,
1546                                                                   &r200_packet0_check);
1547                                 else
1548                                         r = r100_cs_parse_packet0(p, &pkt,
1549                                                                   p->rdev->config.r100.reg_safe_bm,
1550                                                                   p->rdev->config.r100.reg_safe_bm_size,
1551                                                                   &r100_packet0_check);
1552                                 break;
1553                         case PACKET_TYPE2:
1554                                 break;
1555                         case PACKET_TYPE3:
1556                                 r = r100_packet3_check(p, &pkt);
1557                                 break;
1558                         default:
1559                                 DRM_ERROR("Unknown packet type %d !\n",
1560                                           pkt.type);
1561                                 return -EINVAL;
1562                 }
1563                 if (r) {
1564                         return r;
1565                 }
1566         } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
1567         return 0;
1568 }
1569
1570
1571 /*
1572  * Global GPU functions
1573  */
1574 void r100_errata(struct radeon_device *rdev)
1575 {
1576         rdev->pll_errata = 0;
1577
1578         if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
1579                 rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
1580         }
1581
1582         if (rdev->family == CHIP_RV100 ||
1583             rdev->family == CHIP_RS100 ||
1584             rdev->family == CHIP_RS200) {
1585                 rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
1586         }
1587 }
1588
1589 /* Wait for vertical sync on primary CRTC */
1590 void r100_gpu_wait_for_vsync(struct radeon_device *rdev)
1591 {
1592         uint32_t crtc_gen_cntl, tmp;
1593         int i;
1594
1595         crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL);
1596         if ((crtc_gen_cntl & RADEON_CRTC_DISP_REQ_EN_B) ||
1597             !(crtc_gen_cntl & RADEON_CRTC_EN)) {
1598                 return;
1599         }
1600         /* Clear the CRTC_VBLANK_SAVE bit */
1601         WREG32(RADEON_CRTC_STATUS, RADEON_CRTC_VBLANK_SAVE_CLEAR);
1602         for (i = 0; i < rdev->usec_timeout; i++) {
1603                 tmp = RREG32(RADEON_CRTC_STATUS);
1604                 if (tmp & RADEON_CRTC_VBLANK_SAVE) {
1605                         return;
1606                 }
1607                 DRM_UDELAY(1);
1608         }
1609 }
1610
1611 /* Wait for vertical sync on secondary CRTC */
1612 void r100_gpu_wait_for_vsync2(struct radeon_device *rdev)
1613 {
1614         uint32_t crtc2_gen_cntl, tmp;
1615         int i;
1616
1617         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1618         if ((crtc2_gen_cntl & RADEON_CRTC2_DISP_REQ_EN_B) ||
1619             !(crtc2_gen_cntl & RADEON_CRTC2_EN))
1620                 return;
1621
1622         /* Clear the CRTC_VBLANK_SAVE bit */
1623         WREG32(RADEON_CRTC2_STATUS, RADEON_CRTC2_VBLANK_SAVE_CLEAR);
1624         for (i = 0; i < rdev->usec_timeout; i++) {
1625                 tmp = RREG32(RADEON_CRTC2_STATUS);
1626                 if (tmp & RADEON_CRTC2_VBLANK_SAVE) {
1627                         return;
1628                 }
1629                 DRM_UDELAY(1);
1630         }
1631 }
1632
1633 int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
1634 {
1635         unsigned i;
1636         uint32_t tmp;
1637
1638         for (i = 0; i < rdev->usec_timeout; i++) {
1639                 tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
1640                 if (tmp >= n) {
1641                         return 0;
1642                 }
1643                 DRM_UDELAY(1);
1644         }
1645         return -1;
1646 }
1647
1648 int r100_gui_wait_for_idle(struct radeon_device *rdev)
1649 {
1650         unsigned i;
1651         uint32_t tmp;
1652
1653         if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
1654                 printk(KERN_WARNING "radeon: wait for empty RBBM fifo failed !"
1655                        " Bad things might happen.\n");
1656         }
1657         for (i = 0; i < rdev->usec_timeout; i++) {
1658                 tmp = RREG32(RADEON_RBBM_STATUS);
1659                 if (!(tmp & RADEON_RBBM_ACTIVE)) {
1660                         return 0;
1661                 }
1662                 DRM_UDELAY(1);
1663         }
1664         return -1;
1665 }
1666
1667 int r100_mc_wait_for_idle(struct radeon_device *rdev)
1668 {
1669         unsigned i;
1670         uint32_t tmp;
1671
1672         for (i = 0; i < rdev->usec_timeout; i++) {
1673                 /* read MC_STATUS */
1674                 tmp = RREG32(RADEON_MC_STATUS);
1675                 if (tmp & RADEON_MC_IDLE) {
1676                         return 0;
1677                 }
1678                 DRM_UDELAY(1);
1679         }
1680         return -1;
1681 }
1682
1683 void r100_gpu_lockup_update(struct r100_gpu_lockup *lockup, struct radeon_cp *cp)
1684 {
1685         lockup->last_cp_rptr = cp->rptr;
1686         lockup->last_jiffies = jiffies;
1687 }
1688
1689 /**
1690  * r100_gpu_cp_is_lockup() - check if CP is lockup by recording information
1691  * @rdev:       radeon device structure
1692  * @lockup:     r100_gpu_lockup structure holding CP lockup tracking informations
1693  * @cp:         radeon_cp structure holding CP information
1694  *
1695  * We don't need to initialize the lockup tracking information as we will either
1696  * have CP rptr to a different value of jiffies wrap around which will force
1697  * initialization of the lockup tracking informations.
1698  *
1699  * A possible false positivie is if we get call after while and last_cp_rptr ==
1700  * the current CP rptr, even if it's unlikely it might happen. To avoid this
1701  * if the elapsed time since last call is bigger than 2 second than we return
1702  * false and update the tracking information. Due to this the caller must call
1703  * r100_gpu_cp_is_lockup several time in less than 2sec for lockup to be reported
1704  * the fencing code should be cautious about that.
1705  *
1706  * Caller should write to the ring to force CP to do something so we don't get
1707  * false positive when CP is just gived nothing to do.
1708  *
1709  **/
1710 bool r100_gpu_cp_is_lockup(struct radeon_device *rdev, struct r100_gpu_lockup *lockup, struct radeon_cp *cp)
1711 {
1712         unsigned long cjiffies, elapsed;
1713
1714         cjiffies = jiffies;
1715         if (!time_after(cjiffies, lockup->last_jiffies)) {
1716                 /* likely a wrap around */
1717                 lockup->last_cp_rptr = cp->rptr;
1718                 lockup->last_jiffies = jiffies;
1719                 return false;
1720         }
1721         if (cp->rptr != lockup->last_cp_rptr) {
1722                 /* CP is still working no lockup */
1723                 lockup->last_cp_rptr = cp->rptr;
1724                 lockup->last_jiffies = jiffies;
1725                 return false;
1726         }
1727         elapsed = jiffies_to_msecs(cjiffies - lockup->last_jiffies);
1728         if (elapsed >= 3000) {
1729                 /* very likely the improbable case where current
1730                  * rptr is equal to last recorded, a while ago, rptr
1731                  * this is more likely a false positive update tracking
1732                  * information which should force us to be recall at
1733                  * latter point
1734                  */
1735                 lockup->last_cp_rptr = cp->rptr;
1736                 lockup->last_jiffies = jiffies;
1737                 return false;
1738         }
1739         if (elapsed >= 1000) {
1740                 dev_err(rdev->dev, "GPU lockup CP stall for more than %lumsec\n", elapsed);
1741                 return true;
1742         }
1743         /* give a chance to the GPU ... */
1744         return false;
1745 }
1746
1747 bool r100_gpu_is_lockup(struct radeon_device *rdev)
1748 {
1749         u32 rbbm_status;
1750         int r;
1751
1752         rbbm_status = RREG32(R_000E40_RBBM_STATUS);
1753         if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
1754                 r100_gpu_lockup_update(&rdev->config.r100.lockup, &rdev->cp);
1755                 return false;
1756         }
1757         /* force CP activities */
1758         r = radeon_ring_lock(rdev, 2);
1759         if (!r) {
1760                 /* PACKET2 NOP */
1761                 radeon_ring_write(rdev, 0x80000000);
1762                 radeon_ring_write(rdev, 0x80000000);
1763                 radeon_ring_unlock_commit(rdev);
1764         }
1765         rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
1766         return r100_gpu_cp_is_lockup(rdev, &rdev->config.r100.lockup, &rdev->cp);
1767 }
1768
1769 void r100_bm_disable(struct radeon_device *rdev)
1770 {
1771         u32 tmp;
1772
1773         /* disable bus mastering */
1774         tmp = RREG32(R_000030_BUS_CNTL);
1775         WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000044);
1776         mdelay(1);
1777         WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000042);
1778         mdelay(1);
1779         WREG32(R_000030_BUS_CNTL, (tmp & 0xFFFFFFFF) | 0x00000040);
1780         tmp = RREG32(RADEON_BUS_CNTL);
1781         mdelay(1);
1782         pci_read_config_word(rdev->pdev, 0x4, (u16*)&tmp);
1783         pci_write_config_word(rdev->pdev, 0x4, tmp & 0xFFFB);
1784         mdelay(1);
1785 }
1786
1787 int r100_asic_reset(struct radeon_device *rdev)
1788 {
1789         struct r100_mc_save save;
1790         u32 status, tmp;
1791
1792         r100_mc_stop(rdev, &save);
1793         status = RREG32(R_000E40_RBBM_STATUS);
1794         if (!G_000E40_GUI_ACTIVE(status)) {
1795                 return 0;
1796         }
1797         status = RREG32(R_000E40_RBBM_STATUS);
1798         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
1799         /* stop CP */
1800         WREG32(RADEON_CP_CSQ_CNTL, 0);
1801         tmp = RREG32(RADEON_CP_RB_CNTL);
1802         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
1803         WREG32(RADEON_CP_RB_RPTR_WR, 0);
1804         WREG32(RADEON_CP_RB_WPTR, 0);
1805         WREG32(RADEON_CP_RB_CNTL, tmp);
1806         /* save PCI state */
1807         pci_save_state(rdev->pdev);
1808         /* disable bus mastering */
1809         r100_bm_disable(rdev);
1810         WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_SE(1) |
1811                                         S_0000F0_SOFT_RESET_RE(1) |
1812                                         S_0000F0_SOFT_RESET_PP(1) |
1813                                         S_0000F0_SOFT_RESET_RB(1));
1814         RREG32(R_0000F0_RBBM_SOFT_RESET);
1815         mdelay(500);
1816         WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
1817         mdelay(1);
1818         status = RREG32(R_000E40_RBBM_STATUS);
1819         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
1820         /* reset CP */
1821         WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
1822         RREG32(R_0000F0_RBBM_SOFT_RESET);
1823         mdelay(500);
1824         WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
1825         mdelay(1);
1826         status = RREG32(R_000E40_RBBM_STATUS);
1827         dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
1828         /* restore PCI & busmastering */
1829         pci_restore_state(rdev->pdev);
1830         r100_enable_bm(rdev);
1831         /* Check if GPU is idle */
1832         if (G_000E40_SE_BUSY(status) || G_000E40_RE_BUSY(status) ||
1833                 G_000E40_TAM_BUSY(status) || G_000E40_PB_BUSY(status)) {
1834                 dev_err(rdev->dev, "failed to reset GPU\n");
1835                 rdev->gpu_lockup = true;
1836                 return -1;
1837         }
1838         r100_mc_resume(rdev, &save);
1839         dev_info(rdev->dev, "GPU reset succeed\n");
1840         return 0;
1841 }
1842
1843 void r100_set_common_regs(struct radeon_device *rdev)
1844 {
1845         struct drm_device *dev = rdev->ddev;
1846         bool force_dac2 = false;
1847         u32 tmp;
1848
1849         /* set these so they don't interfere with anything */
1850         WREG32(RADEON_OV0_SCALE_CNTL, 0);
1851         WREG32(RADEON_SUBPIC_CNTL, 0);
1852         WREG32(RADEON_VIPH_CONTROL, 0);
1853         WREG32(RADEON_I2C_CNTL_1, 0);
1854         WREG32(RADEON_DVI_I2C_CNTL_1, 0);
1855         WREG32(RADEON_CAP0_TRIG_CNTL, 0);
1856         WREG32(RADEON_CAP1_TRIG_CNTL, 0);
1857
1858         /* always set up dac2 on rn50 and some rv100 as lots
1859          * of servers seem to wire it up to a VGA port but
1860          * don't report it in the bios connector
1861          * table.
1862          */
1863         switch (dev->pdev->device) {
1864                 /* RN50 */
1865         case 0x515e:
1866         case 0x5969:
1867                 force_dac2 = true;
1868                 break;
1869                 /* RV100*/
1870         case 0x5159:
1871         case 0x515a:
1872                 /* DELL triple head servers */
1873                 if ((dev->pdev->subsystem_vendor == 0x1028 /* DELL */) &&
1874                     ((dev->pdev->subsystem_device == 0x016c) ||
1875                      (dev->pdev->subsystem_device == 0x016d) ||
1876                      (dev->pdev->subsystem_device == 0x016e) ||
1877                      (dev->pdev->subsystem_device == 0x016f) ||
1878                      (dev->pdev->subsystem_device == 0x0170) ||
1879                      (dev->pdev->subsystem_device == 0x017d) ||
1880                      (dev->pdev->subsystem_device == 0x017e) ||
1881                      (dev->pdev->subsystem_device == 0x0183) ||
1882                      (dev->pdev->subsystem_device == 0x018a) ||
1883                      (dev->pdev->subsystem_device == 0x019a)))
1884                         force_dac2 = true;
1885                 break;
1886         }
1887
1888         if (force_dac2) {
1889                 u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
1890                 u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1891                 u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
1892
1893                 /* For CRT on DAC2, don't turn it on if BIOS didn't
1894                    enable it, even it's detected.
1895                 */
1896
1897                 /* force it to crtc0 */
1898                 dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL;
1899                 dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL;
1900                 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
1901
1902                 /* set up the TV DAC */
1903                 tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL |
1904                                  RADEON_TV_DAC_STD_MASK |
1905                                  RADEON_TV_DAC_RDACPD |
1906                                  RADEON_TV_DAC_GDACPD |
1907                                  RADEON_TV_DAC_BDACPD |
1908                                  RADEON_TV_DAC_BGADJ_MASK |
1909                                  RADEON_TV_DAC_DACADJ_MASK);
1910                 tv_dac_cntl |= (RADEON_TV_DAC_NBLANK |
1911                                 RADEON_TV_DAC_NHOLD |
1912                                 RADEON_TV_DAC_STD_PS2 |
1913                                 (0x58 << 16));
1914
1915                 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1916                 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
1917                 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
1918         }
1919
1920         /* switch PM block to ACPI mode */
1921         tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL);
1922         tmp &= ~RADEON_PM_MODE_SEL;
1923         WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp);
1924
1925 }
1926
1927 /*
1928  * VRAM info
1929  */
1930 static void r100_vram_get_type(struct radeon_device *rdev)
1931 {
1932         uint32_t tmp;
1933
1934         rdev->mc.vram_is_ddr = false;
1935         if (rdev->flags & RADEON_IS_IGP)
1936                 rdev->mc.vram_is_ddr = true;
1937         else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
1938                 rdev->mc.vram_is_ddr = true;
1939         if ((rdev->family == CHIP_RV100) ||
1940             (rdev->family == CHIP_RS100) ||
1941             (rdev->family == CHIP_RS200)) {
1942                 tmp = RREG32(RADEON_MEM_CNTL);
1943                 if (tmp & RV100_HALF_MODE) {
1944                         rdev->mc.vram_width = 32;
1945                 } else {
1946                         rdev->mc.vram_width = 64;
1947                 }
1948                 if (rdev->flags & RADEON_SINGLE_CRTC) {
1949                         rdev->mc.vram_width /= 4;
1950                         rdev->mc.vram_is_ddr = true;
1951                 }
1952         } else if (rdev->family <= CHIP_RV280) {
1953                 tmp = RREG32(RADEON_MEM_CNTL);
1954                 if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
1955                         rdev->mc.vram_width = 128;
1956                 } else {
1957                         rdev->mc.vram_width = 64;
1958                 }
1959         } else {
1960                 /* newer IGPs */
1961                 rdev->mc.vram_width = 128;
1962         }
1963 }
1964
1965 static u32 r100_get_accessible_vram(struct radeon_device *rdev)
1966 {
1967         u32 aper_size;
1968         u8 byte;
1969
1970         aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
1971
1972         /* Set HDP_APER_CNTL only on cards that are known not to be broken,
1973          * that is has the 2nd generation multifunction PCI interface
1974          */
1975         if (rdev->family == CHIP_RV280 ||
1976             rdev->family >= CHIP_RV350) {
1977                 WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
1978                        ~RADEON_HDP_APER_CNTL);
1979                 DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
1980                 return aper_size * 2;
1981         }
1982
1983         /* Older cards have all sorts of funny issues to deal with. First
1984          * check if it's a multifunction card by reading the PCI config
1985          * header type... Limit those to one aperture size
1986          */
1987         pci_read_config_byte(rdev->pdev, 0xe, &byte);
1988         if (byte & 0x80) {
1989                 DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
1990                 DRM_INFO("Limiting VRAM to one aperture\n");
1991                 return aper_size;
1992         }
1993
1994         /* Single function older card. We read HDP_APER_CNTL to see how the BIOS
1995          * have set it up. We don't write this as it's broken on some ASICs but
1996          * we expect the BIOS to have done the right thing (might be too optimistic...)
1997          */
1998         if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
1999                 return aper_size * 2;
2000         return aper_size;
2001 }
2002
2003 void r100_vram_init_sizes(struct radeon_device *rdev)
2004 {
2005         u64 config_aper_size;
2006
2007         /* work out accessible VRAM */
2008         rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
2009         rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
2010         rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
2011         /* FIXME we don't use the second aperture yet when we could use it */
2012         if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
2013                 rdev->mc.visible_vram_size = rdev->mc.aper_size;
2014         config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
2015         if (rdev->flags & RADEON_IS_IGP) {
2016                 uint32_t tom;
2017                 /* read NB_TOM to get the amount of ram stolen for the GPU */
2018                 tom = RREG32(RADEON_NB_TOM);
2019                 rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
2020                 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2021                 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2022         } else {
2023                 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
2024                 /* Some production boards of m6 will report 0
2025                  * if it's 8 MB
2026                  */
2027                 if (rdev->mc.real_vram_size == 0) {
2028                         rdev->mc.real_vram_size = 8192 * 1024;
2029                         WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
2030                 }
2031                 /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
2032                  * Novell bug 204882 + along with lots of ubuntu ones
2033                  */
2034                 if (config_aper_size > rdev->mc.real_vram_size)
2035                         rdev->mc.mc_vram_size = config_aper_size;
2036                 else
2037                         rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
2038         }
2039 }
2040
2041 void r100_vga_set_state(struct radeon_device *rdev, bool state)
2042 {
2043         uint32_t temp;
2044
2045         temp = RREG32(RADEON_CONFIG_CNTL);
2046         if (state == false) {
2047                 temp &= ~(1<<8);
2048                 temp |= (1<<9);
2049         } else {
2050                 temp &= ~(1<<9);
2051         }
2052         WREG32(RADEON_CONFIG_CNTL, temp);
2053 }
2054
2055 void r100_mc_init(struct radeon_device *rdev)
2056 {
2057         u64 base;
2058
2059         r100_vram_get_type(rdev);
2060         r100_vram_init_sizes(rdev);
2061         base = rdev->mc.aper_base;
2062         if (rdev->flags & RADEON_IS_IGP)
2063                 base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
2064         radeon_vram_location(rdev, &rdev->mc, base);
2065         if (!(rdev->flags & RADEON_IS_AGP))
2066                 radeon_gtt_location(rdev, &rdev->mc);
2067         radeon_update_bandwidth_info(rdev);
2068 }
2069
2070
2071 /*
2072  * Indirect registers accessor
2073  */
2074 void r100_pll_errata_after_index(struct radeon_device *rdev)
2075 {
2076         if (!(rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS)) {
2077                 return;
2078         }
2079         (void)RREG32(RADEON_CLOCK_CNTL_DATA);
2080         (void)RREG32(RADEON_CRTC_GEN_CNTL);
2081 }
2082
2083 static void r100_pll_errata_after_data(struct radeon_device *rdev)
2084 {
2085         /* This workarounds is necessary on RV100, RS100 and RS200 chips
2086          * or the chip could hang on a subsequent access
2087          */
2088         if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
2089                 udelay(5000);
2090         }
2091
2092         /* This function is required to workaround a hardware bug in some (all?)
2093          * revisions of the R300.  This workaround should be called after every
2094          * CLOCK_CNTL_INDEX register access.  If not, register reads afterward
2095          * may not be correct.
2096          */
2097         if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
2098                 uint32_t save, tmp;
2099
2100                 save = RREG32(RADEON_CLOCK_CNTL_INDEX);
2101                 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
2102                 WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
2103                 tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
2104                 WREG32(RADEON_CLOCK_CNTL_INDEX, save);
2105         }
2106 }
2107
2108 uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
2109 {
2110         uint32_t data;
2111
2112         WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
2113         r100_pll_errata_after_index(rdev);
2114         data = RREG32(RADEON_CLOCK_CNTL_DATA);
2115         r100_pll_errata_after_data(rdev);
2116         return data;
2117 }
2118
2119 void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
2120 {
2121         WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
2122         r100_pll_errata_after_index(rdev);
2123         WREG32(RADEON_CLOCK_CNTL_DATA, v);
2124         r100_pll_errata_after_data(rdev);
2125 }
2126
2127 void r100_set_safe_registers(struct radeon_device *rdev)
2128 {
2129         if (ASIC_IS_RN50(rdev)) {
2130                 rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
2131                 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
2132         } else if (rdev->family < CHIP_R200) {
2133                 rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
2134                 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
2135         } else {
2136                 r200_set_safe_registers(rdev);
2137         }
2138 }
2139
2140 /*
2141  * Debugfs info
2142  */
2143 #if defined(CONFIG_DEBUG_FS)
2144 static int r100_debugfs_rbbm_info(struct seq_file *m, void *data)
2145 {
2146         struct drm_info_node *node = (struct drm_info_node *) m->private;
2147         struct drm_device *dev = node->minor->dev;
2148         struct radeon_device *rdev = dev->dev_private;
2149         uint32_t reg, value;
2150         unsigned i;
2151
2152         seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
2153         seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
2154         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2155         for (i = 0; i < 64; i++) {
2156                 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
2157                 reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
2158                 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
2159                 value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
2160                 seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
2161         }
2162         return 0;
2163 }
2164
2165 static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
2166 {
2167         struct drm_info_node *node = (struct drm_info_node *) m->private;
2168         struct drm_device *dev = node->minor->dev;
2169         struct radeon_device *rdev = dev->dev_private;
2170         uint32_t rdp, wdp;
2171         unsigned count, i, j;
2172
2173         radeon_ring_free_size(rdev);
2174         rdp = RREG32(RADEON_CP_RB_RPTR);
2175         wdp = RREG32(RADEON_CP_RB_WPTR);
2176         count = (rdp + rdev->cp.ring_size - wdp) & rdev->cp.ptr_mask;
2177         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2178         seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
2179         seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
2180         seq_printf(m, "%u free dwords in ring\n", rdev->cp.ring_free_dw);
2181         seq_printf(m, "%u dwords in ring\n", count);
2182         for (j = 0; j <= count; j++) {
2183                 i = (rdp + j) & rdev->cp.ptr_mask;
2184                 seq_printf(m, "r[%04d]=0x%08x\n", i, rdev->cp.ring[i]);
2185         }
2186         return 0;
2187 }
2188
2189
2190 static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data)
2191 {
2192         struct drm_info_node *node = (struct drm_info_node *) m->private;
2193         struct drm_device *dev = node->minor->dev;
2194         struct radeon_device *rdev = dev->dev_private;
2195         uint32_t csq_stat, csq2_stat, tmp;
2196         unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
2197         unsigned i;
2198
2199         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
2200         seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
2201         csq_stat = RREG32(RADEON_CP_CSQ_STAT);
2202         csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
2203         r_rptr = (csq_stat >> 0) & 0x3ff;
2204         r_wptr = (csq_stat >> 10) & 0x3ff;
2205         ib1_rptr = (csq_stat >> 20) & 0x3ff;
2206         ib1_wptr = (csq2_stat >> 0) & 0x3ff;
2207         ib2_rptr = (csq2_stat >> 10) & 0x3ff;
2208         ib2_wptr = (csq2_stat >> 20) & 0x3ff;
2209         seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
2210         seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
2211         seq_printf(m, "Ring rptr %u\n", r_rptr);
2212         seq_printf(m, "Ring wptr %u\n", r_wptr);
2213         seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
2214         seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
2215         seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
2216         seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
2217         /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
2218          * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
2219         seq_printf(m, "Ring fifo:\n");
2220         for (i = 0; i < 256; i++) {
2221                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2222                 tmp = RREG32(RADEON_CP_CSQ_DATA);
2223                 seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
2224         }
2225         seq_printf(m, "Indirect1 fifo:\n");
2226         for (i = 256; i <= 512; i++) {
2227                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2228                 tmp = RREG32(RADEON_CP_CSQ_DATA);
2229                 seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
2230         }
2231         seq_printf(m, "Indirect2 fifo:\n");
2232         for (i = 640; i < ib1_wptr; i++) {
2233                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
2234                 tmp = RREG32(RADEON_CP_CSQ_DATA);
2235                 seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
2236         }
2237         return 0;
2238 }
2239
2240 static int r100_debugfs_mc_info(struct seq_file *m, void *data)
2241 {
2242         struct drm_info_node *node = (struct drm_info_node *) m->private;
2243         struct drm_device *dev = node->minor->dev;
2244         struct radeon_device *rdev = dev->dev_private;
2245         uint32_t tmp;
2246
2247         tmp = RREG32(RADEON_CONFIG_MEMSIZE);
2248         seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
2249         tmp = RREG32(RADEON_MC_FB_LOCATION);
2250         seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
2251         tmp = RREG32(RADEON_BUS_CNTL);
2252         seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
2253         tmp = RREG32(RADEON_MC_AGP_LOCATION);
2254         seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
2255         tmp = RREG32(RADEON_AGP_BASE);
2256         seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
2257         tmp = RREG32(RADEON_HOST_PATH_CNTL);
2258         seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
2259         tmp = RREG32(0x01D0);
2260         seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
2261         tmp = RREG32(RADEON_AIC_LO_ADDR);
2262         seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
2263         tmp = RREG32(RADEON_AIC_HI_ADDR);
2264         seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
2265         tmp = RREG32(0x01E4);
2266         seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
2267         return 0;
2268 }
2269
2270 static struct drm_info_list r100_debugfs_rbbm_list[] = {
2271         {"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL},
2272 };
2273
2274 static struct drm_info_list r100_debugfs_cp_list[] = {
2275         {"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL},
2276         {"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL},
2277 };
2278
2279 static struct drm_info_list r100_debugfs_mc_info_list[] = {
2280         {"r100_mc_info", r100_debugfs_mc_info, 0, NULL},
2281 };
2282 #endif
2283
2284 int r100_debugfs_rbbm_init(struct radeon_device *rdev)
2285 {
2286 #if defined(CONFIG_DEBUG_FS)
2287         return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1);
2288 #else
2289         return 0;
2290 #endif
2291 }
2292
2293 int r100_debugfs_cp_init(struct radeon_device *rdev)
2294 {
2295 #if defined(CONFIG_DEBUG_FS)
2296         return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2);
2297 #else
2298         return 0;
2299 #endif
2300 }
2301
2302 int r100_debugfs_mc_info_init(struct radeon_device *rdev)
2303 {
2304 #if defined(CONFIG_DEBUG_FS)
2305         return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1);
2306 #else
2307         return 0;
2308 #endif
2309 }
2310
2311 int r100_set_surface_reg(struct radeon_device *rdev, int reg,
2312                          uint32_t tiling_flags, uint32_t pitch,
2313                          uint32_t offset, uint32_t obj_size)
2314 {
2315         int surf_index = reg * 16;
2316         int flags = 0;
2317
2318         /* r100/r200 divide by 16 */
2319         if (rdev->family < CHIP_R300)
2320                 flags = pitch / 16;
2321         else
2322                 flags = pitch / 8;
2323
2324         if (rdev->family <= CHIP_RS200) {
2325                 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
2326                                  == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
2327                         flags |= RADEON_SURF_TILE_COLOR_BOTH;
2328                 if (tiling_flags & RADEON_TILING_MACRO)
2329                         flags |= RADEON_SURF_TILE_COLOR_MACRO;
2330         } else if (rdev->family <= CHIP_RV280) {
2331                 if (tiling_flags & (RADEON_TILING_MACRO))
2332                         flags |= R200_SURF_TILE_COLOR_MACRO;
2333                 if (tiling_flags & RADEON_TILING_MICRO)
2334                         flags |= R200_SURF_TILE_COLOR_MICRO;
2335         } else {
2336                 if (tiling_flags & RADEON_TILING_MACRO)
2337                         flags |= R300_SURF_TILE_MACRO;
2338                 if (tiling_flags & RADEON_TILING_MICRO)
2339                         flags |= R300_SURF_TILE_MICRO;
2340         }
2341
2342         if (tiling_flags & RADEON_TILING_SWAP_16BIT)
2343                 flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
2344         if (tiling_flags & RADEON_TILING_SWAP_32BIT)
2345                 flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
2346
2347         DRM_DEBUG("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
2348         WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
2349         WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
2350         WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
2351         return 0;
2352 }
2353
2354 void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
2355 {
2356         int surf_index = reg * 16;
2357         WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
2358 }
2359
2360 void r100_bandwidth_update(struct radeon_device *rdev)
2361 {
2362         fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
2363         fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
2364         fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
2365         uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
2366         fixed20_12 memtcas_ff[8] = {
2367                 fixed_init(1),
2368                 fixed_init(2),
2369                 fixed_init(3),
2370                 fixed_init(0),
2371                 fixed_init_half(1),
2372                 fixed_init_half(2),
2373                 fixed_init(0),
2374         };
2375         fixed20_12 memtcas_rs480_ff[8] = {
2376                 fixed_init(0),
2377                 fixed_init(1),
2378                 fixed_init(2),
2379                 fixed_init(3),
2380                 fixed_init(0),
2381                 fixed_init_half(1),
2382                 fixed_init_half(2),
2383                 fixed_init_half(3),
2384         };
2385         fixed20_12 memtcas2_ff[8] = {
2386                 fixed_init(0),
2387                 fixed_init(1),
2388                 fixed_init(2),
2389                 fixed_init(3),
2390                 fixed_init(4),
2391                 fixed_init(5),
2392                 fixed_init(6),
2393                 fixed_init(7),
2394         };
2395         fixed20_12 memtrbs[8] = {
2396                 fixed_init(1),
2397                 fixed_init_half(1),
2398                 fixed_init(2),
2399                 fixed_init_half(2),
2400                 fixed_init(3),
2401                 fixed_init_half(3),
2402                 fixed_init(4),
2403                 fixed_init_half(4)
2404         };
2405         fixed20_12 memtrbs_r4xx[8] = {
2406                 fixed_init(4),
2407                 fixed_init(5),
2408                 fixed_init(6),
2409                 fixed_init(7),
2410                 fixed_init(8),
2411                 fixed_init(9),
2412                 fixed_init(10),
2413                 fixed_init(11)
2414         };
2415         fixed20_12 min_mem_eff;
2416         fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
2417         fixed20_12 cur_latency_mclk, cur_latency_sclk;
2418         fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate,
2419                 disp_drain_rate2, read_return_rate;
2420         fixed20_12 time_disp1_drop_priority;
2421         int c;
2422         int cur_size = 16;       /* in octawords */
2423         int critical_point = 0, critical_point2;
2424 /*      uint32_t read_return_rate, time_disp1_drop_priority; */
2425         int stop_req, max_stop_req;
2426         struct drm_display_mode *mode1 = NULL;
2427         struct drm_display_mode *mode2 = NULL;
2428         uint32_t pixel_bytes1 = 0;
2429         uint32_t pixel_bytes2 = 0;
2430
2431         radeon_update_display_priority(rdev);
2432
2433         if (rdev->mode_info.crtcs[0]->base.enabled) {
2434                 mode1 = &rdev->mode_info.crtcs[0]->base.mode;
2435                 pixel_bytes1 = rdev->mode_info.crtcs[0]->base.fb->bits_per_pixel / 8;
2436         }
2437         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
2438                 if (rdev->mode_info.crtcs[1]->base.enabled) {
2439                         mode2 = &rdev->mode_info.crtcs[1]->base.mode;
2440                         pixel_bytes2 = rdev->mode_info.crtcs[1]->base.fb->bits_per_pixel / 8;
2441                 }
2442         }
2443
2444         min_mem_eff.full = rfixed_const_8(0);
2445         /* get modes */
2446         if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
2447                 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
2448                 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
2449                 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
2450                 /* check crtc enables */
2451                 if (mode2)
2452                         mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
2453                 if (mode1)
2454                         mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
2455                 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
2456         }
2457
2458         /*
2459          * determine is there is enough bw for current mode
2460          */
2461         sclk_ff = rdev->pm.sclk;
2462         mclk_ff = rdev->pm.mclk;
2463
2464         temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
2465         temp_ff.full = rfixed_const(temp);
2466         mem_bw.full = rfixed_mul(mclk_ff, temp_ff);
2467
2468         pix_clk.full = 0;
2469         pix_clk2.full = 0;
2470         peak_disp_bw.full = 0;
2471         if (mode1) {
2472                 temp_ff.full = rfixed_const(1000);
2473                 pix_clk.full = rfixed_const(mode1->clock); /* convert to fixed point */
2474                 pix_clk.full = rfixed_div(pix_clk, temp_ff);
2475                 temp_ff.full = rfixed_const(pixel_bytes1);
2476                 peak_disp_bw.full += rfixed_mul(pix_clk, temp_ff);
2477         }
2478         if (mode2) {
2479                 temp_ff.full = rfixed_const(1000);
2480                 pix_clk2.full = rfixed_const(mode2->clock); /* convert to fixed point */
2481                 pix_clk2.full = rfixed_div(pix_clk2, temp_ff);
2482                 temp_ff.full = rfixed_const(pixel_bytes2);
2483                 peak_disp_bw.full += rfixed_mul(pix_clk2, temp_ff);
2484         }
2485
2486         mem_bw.full = rfixed_mul(mem_bw, min_mem_eff);
2487         if (peak_disp_bw.full >= mem_bw.full) {
2488                 DRM_ERROR("You may not have enough display bandwidth for current mode\n"
2489                           "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
2490         }
2491
2492         /*  Get values from the EXT_MEM_CNTL register...converting its contents. */
2493         temp = RREG32(RADEON_MEM_TIMING_CNTL);
2494         if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
2495                 mem_trcd = ((temp >> 2) & 0x3) + 1;
2496                 mem_trp  = ((temp & 0x3)) + 1;
2497                 mem_tras = ((temp & 0x70) >> 4) + 1;
2498         } else if (rdev->family == CHIP_R300 ||
2499                    rdev->family == CHIP_R350) { /* r300, r350 */
2500                 mem_trcd = (temp & 0x7) + 1;
2501                 mem_trp = ((temp >> 8) & 0x7) + 1;
2502                 mem_tras = ((temp >> 11) & 0xf) + 4;
2503         } else if (rdev->family == CHIP_RV350 ||
2504                    rdev->family <= CHIP_RV380) {
2505                 /* rv3x0 */
2506                 mem_trcd = (temp & 0x7) + 3;
2507                 mem_trp = ((temp >> 8) & 0x7) + 3;
2508                 mem_tras = ((temp >> 11) & 0xf) + 6;
2509         } else if (rdev->family == CHIP_R420 ||
2510                    rdev->family == CHIP_R423 ||
2511                    rdev->family == CHIP_RV410) {
2512                 /* r4xx */
2513                 mem_trcd = (temp & 0xf) + 3;
2514                 if (mem_trcd > 15)
2515                         mem_trcd = 15;
2516                 mem_trp = ((temp >> 8) & 0xf) + 3;
2517                 if (mem_trp > 15)
2518                         mem_trp = 15;
2519                 mem_tras = ((temp >> 12) & 0x1f) + 6;
2520                 if (mem_tras > 31)
2521                         mem_tras = 31;
2522         } else { /* RV200, R200 */
2523                 mem_trcd = (temp & 0x7) + 1;
2524                 mem_trp = ((temp >> 8) & 0x7) + 1;
2525                 mem_tras = ((temp >> 12) & 0xf) + 4;
2526         }
2527         /* convert to FF */
2528         trcd_ff.full = rfixed_const(mem_trcd);
2529         trp_ff.full = rfixed_const(mem_trp);
2530         tras_ff.full = rfixed_const(mem_tras);
2531
2532         /* Get values from the MEM_SDRAM_MODE_REG register...converting its */
2533         temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2534         data = (temp & (7 << 20)) >> 20;
2535         if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
2536                 if (rdev->family == CHIP_RS480) /* don't think rs400 */
2537                         tcas_ff = memtcas_rs480_ff[data];
2538                 else
2539                         tcas_ff = memtcas_ff[data];
2540         } else
2541                 tcas_ff = memtcas2_ff[data];
2542
2543         if (rdev->family == CHIP_RS400 ||
2544             rdev->family == CHIP_RS480) {
2545                 /* extra cas latency stored in bits 23-25 0-4 clocks */
2546                 data = (temp >> 23) & 0x7;
2547                 if (data < 5)
2548                         tcas_ff.full += rfixed_const(data);
2549         }
2550
2551         if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
2552                 /* on the R300, Tcas is included in Trbs.
2553                  */
2554                 temp = RREG32(RADEON_MEM_CNTL);
2555                 data = (R300_MEM_NUM_CHANNELS_MASK & temp);
2556                 if (data == 1) {
2557                         if (R300_MEM_USE_CD_CH_ONLY & temp) {
2558                                 temp = RREG32(R300_MC_IND_INDEX);
2559                                 temp &= ~R300_MC_IND_ADDR_MASK;
2560                                 temp |= R300_MC_READ_CNTL_CD_mcind;
2561                                 WREG32(R300_MC_IND_INDEX, temp);
2562                                 temp = RREG32(R300_MC_IND_DATA);
2563                                 data = (R300_MEM_RBS_POSITION_C_MASK & temp);
2564                         } else {
2565                                 temp = RREG32(R300_MC_READ_CNTL_AB);
2566                                 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
2567                         }
2568                 } else {
2569                         temp = RREG32(R300_MC_READ_CNTL_AB);
2570                         data = (R300_MEM_RBS_POSITION_A_MASK & temp);
2571                 }
2572                 if (rdev->family == CHIP_RV410 ||
2573                     rdev->family == CHIP_R420 ||
2574                     rdev->family == CHIP_R423)
2575                         trbs_ff = memtrbs_r4xx[data];
2576                 else
2577                         trbs_ff = memtrbs[data];
2578                 tcas_ff.full += trbs_ff.full;
2579         }
2580
2581         sclk_eff_ff.full = sclk_ff.full;
2582
2583         if (rdev->flags & RADEON_IS_AGP) {
2584                 fixed20_12 agpmode_ff;
2585                 agpmode_ff.full = rfixed_const(radeon_agpmode);
2586                 temp_ff.full = rfixed_const_666(16);
2587                 sclk_eff_ff.full -= rfixed_mul(agpmode_ff, temp_ff);
2588         }
2589         /* TODO PCIE lanes may affect this - agpmode == 16?? */
2590
2591         if (ASIC_IS_R300(rdev)) {
2592                 sclk_delay_ff.full = rfixed_const(250);
2593         } else {
2594                 if ((rdev->family == CHIP_RV100) ||
2595                     rdev->flags & RADEON_IS_IGP) {
2596                         if (rdev->mc.vram_is_ddr)
2597                                 sclk_delay_ff.full = rfixed_const(41);
2598                         else
2599                                 sclk_delay_ff.full = rfixed_const(33);
2600                 } else {
2601                         if (rdev->mc.vram_width == 128)
2602                                 sclk_delay_ff.full = rfixed_const(57);
2603                         else
2604                                 sclk_delay_ff.full = rfixed_const(41);
2605                 }
2606         }
2607
2608         mc_latency_sclk.full = rfixed_div(sclk_delay_ff, sclk_eff_ff);
2609
2610         if (rdev->mc.vram_is_ddr) {
2611                 if (rdev->mc.vram_width == 32) {
2612                         k1.full = rfixed_const(40);
2613                         c  = 3;
2614                 } else {
2615                         k1.full = rfixed_const(20);
2616                         c  = 1;
2617                 }
2618         } else {
2619                 k1.full = rfixed_const(40);
2620                 c  = 3;
2621         }
2622
2623         temp_ff.full = rfixed_const(2);
2624         mc_latency_mclk.full = rfixed_mul(trcd_ff, temp_ff);
2625         temp_ff.full = rfixed_const(c);
2626         mc_latency_mclk.full += rfixed_mul(tcas_ff, temp_ff);
2627         temp_ff.full = rfixed_const(4);
2628         mc_latency_mclk.full += rfixed_mul(tras_ff, temp_ff);
2629         mc_latency_mclk.full += rfixed_mul(trp_ff, temp_ff);
2630         mc_latency_mclk.full += k1.full;
2631
2632         mc_latency_mclk.full = rfixed_div(mc_latency_mclk, mclk_ff);
2633         mc_latency_mclk.full += rfixed_div(temp_ff, sclk_eff_ff);
2634
2635         /*
2636           HW cursor time assuming worst case of full size colour cursor.
2637         */
2638         temp_ff.full = rfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
2639         temp_ff.full += trcd_ff.full;
2640         if (temp_ff.full < tras_ff.full)
2641                 temp_ff.full = tras_ff.full;
2642         cur_latency_mclk.full = rfixed_div(temp_ff, mclk_ff);
2643
2644         temp_ff.full = rfixed_const(cur_size);
2645         cur_latency_sclk.full = rfixed_div(temp_ff, sclk_eff_ff);
2646         /*
2647           Find the total latency for the display data.
2648         */
2649         disp_latency_overhead.full = rfixed_const(8);
2650         disp_latency_overhead.full = rfixed_div(disp_latency_overhead, sclk_ff);
2651         mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
2652         mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
2653
2654         if (mc_latency_mclk.full > mc_latency_sclk.full)
2655                 disp_latency.full = mc_latency_mclk.full;
2656         else
2657                 disp_latency.full = mc_latency_sclk.full;
2658
2659         /* setup Max GRPH_STOP_REQ default value */
2660         if (ASIC_IS_RV100(rdev))
2661                 max_stop_req = 0x5c;
2662         else
2663                 max_stop_req = 0x7c;
2664
2665         if (mode1) {
2666                 /*  CRTC1
2667                     Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
2668                     GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
2669                 */
2670                 stop_req = mode1->hdisplay * pixel_bytes1 / 16;
2671
2672                 if (stop_req > max_stop_req)
2673                         stop_req = max_stop_req;
2674
2675                 /*
2676                   Find the drain rate of the display buffer.
2677                 */
2678                 temp_ff.full = rfixed_const((16/pixel_bytes1));
2679                 disp_drain_rate.full = rfixed_div(pix_clk, temp_ff);
2680
2681                 /*
2682                   Find the critical point of the display buffer.
2683                 */
2684                 crit_point_ff.full = rfixed_mul(disp_drain_rate, disp_latency);
2685                 crit_point_ff.full += rfixed_const_half(0);
2686
2687                 critical_point = rfixed_trunc(crit_point_ff);
2688
2689                 if (rdev->disp_priority == 2) {
2690                         critical_point = 0;
2691                 }
2692
2693                 /*
2694                   The critical point should never be above max_stop_req-4.  Setting
2695                   GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
2696                 */
2697                 if (max_stop_req - critical_point < 4)
2698                         critical_point = 0;
2699
2700                 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
2701                         /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
2702                         critical_point = 0x10;
2703                 }
2704
2705                 temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
2706                 temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
2707                 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
2708                 temp &= ~(RADEON_GRPH_START_REQ_MASK);
2709                 if ((rdev->family == CHIP_R350) &&
2710                     (stop_req > 0x15)) {
2711                         stop_req -= 0x10;
2712                 }
2713                 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
2714                 temp |= RADEON_GRPH_BUFFER_SIZE;
2715                 temp &= ~(RADEON_GRPH_CRITICAL_CNTL   |
2716                           RADEON_GRPH_CRITICAL_AT_SOF |
2717                           RADEON_GRPH_STOP_CNTL);
2718                 /*
2719                   Write the result into the register.
2720                 */
2721                 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
2722                                                        (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
2723
2724 #if 0
2725                 if ((rdev->family == CHIP_RS400) ||
2726                     (rdev->family == CHIP_RS480)) {
2727                         /* attempt to program RS400 disp regs correctly ??? */
2728                         temp = RREG32(RS400_DISP1_REG_CNTL);
2729                         temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
2730                                   RS400_DISP1_STOP_REQ_LEVEL_MASK);
2731                         WREG32(RS400_DISP1_REQ_CNTL1, (temp |
2732                                                        (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
2733                                                        (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
2734                         temp = RREG32(RS400_DMIF_MEM_CNTL1);
2735                         temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
2736                                   RS400_DISP1_CRITICAL_POINT_STOP_MASK);
2737                         WREG32(RS400_DMIF_MEM_CNTL1, (temp |
2738                                                       (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
2739                                                       (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
2740                 }
2741 #endif
2742
2743                 DRM_DEBUG("GRPH_BUFFER_CNTL from to %x\n",
2744                           /*      (unsigned int)info->SavedReg->grph_buffer_cntl, */
2745                           (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
2746         }
2747
2748         if (mode2) {
2749                 u32 grph2_cntl;
2750                 stop_req = mode2->hdisplay * pixel_bytes2 / 16;
2751
2752                 if (stop_req > max_stop_req)
2753                         stop_req = max_stop_req;
2754
2755                 /*
2756                   Find the drain rate of the display buffer.
2757                 */
2758                 temp_ff.full = rfixed_const((16/pixel_bytes2));
2759                 disp_drain_rate2.full = rfixed_div(pix_clk2, temp_ff);
2760
2761                 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
2762                 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
2763                 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
2764                 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
2765                 if ((rdev->family == CHIP_R350) &&
2766                     (stop_req > 0x15)) {
2767                         stop_req -= 0x10;
2768                 }
2769                 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
2770                 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
2771                 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL   |
2772                           RADEON_GRPH_CRITICAL_AT_SOF |
2773                           RADEON_GRPH_STOP_CNTL);
2774
2775                 if ((rdev->family == CHIP_RS100) ||
2776                     (rdev->family == CHIP_RS200))
2777                         critical_point2 = 0;
2778                 else {
2779                         temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
2780                         temp_ff.full = rfixed_const(temp);
2781                         temp_ff.full = rfixed_mul(mclk_ff, temp_ff);
2782                         if (sclk_ff.full < temp_ff.full)
2783                                 temp_ff.full = sclk_ff.full;
2784
2785                         read_return_rate.full = temp_ff.full;
2786
2787                         if (mode1) {
2788                                 temp_ff.full = read_return_rate.full - disp_drain_rate.full;
2789                                 time_disp1_drop_priority.full = rfixed_div(crit_point_ff, temp_ff);
2790                         } else {
2791                                 time_disp1_drop_priority.full = 0;
2792                         }
2793                         crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
2794                         crit_point_ff.full = rfixed_mul(crit_point_ff, disp_drain_rate2);
2795                         crit_point_ff.full += rfixed_const_half(0);
2796
2797                         critical_point2 = rfixed_trunc(crit_point_ff);
2798
2799                         if (rdev->disp_priority == 2) {
2800                                 critical_point2 = 0;
2801                         }
2802
2803                         if (max_stop_req - critical_point2 < 4)
2804                                 critical_point2 = 0;
2805
2806                 }
2807
2808                 if (critical_point2 == 0 && rdev->family == CHIP_R300) {
2809                         /* some R300 cards have problem with this set to 0 */
2810                         critical_point2 = 0x10;
2811                 }
2812
2813                 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
2814                                                   (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
2815
2816                 if ((rdev->family == CHIP_RS400) ||
2817                     (rdev->family == CHIP_RS480)) {
2818 #if 0
2819                         /* attempt to program RS400 disp2 regs correctly ??? */
2820                         temp = RREG32(RS400_DISP2_REQ_CNTL1);
2821                         temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
2822                                   RS400_DISP2_STOP_REQ_LEVEL_MASK);
2823                         WREG32(RS400_DISP2_REQ_CNTL1, (temp |
2824                                                        (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
2825                                                        (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
2826                         temp = RREG32(RS400_DISP2_REQ_CNTL2);
2827                         temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
2828                                   RS400_DISP2_CRITICAL_POINT_STOP_MASK);
2829                         WREG32(RS400_DISP2_REQ_CNTL2, (temp |
2830                                                        (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
2831                                                        (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
2832 #endif
2833                         WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
2834                         WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
2835                         WREG32(RS400_DMIF_MEM_CNTL1,  0x29CA71DC);
2836                         WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
2837                 }
2838
2839                 DRM_DEBUG("GRPH2_BUFFER_CNTL from to %x\n",
2840                           (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
2841         }
2842 }
2843
2844 static inline void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
2845 {
2846         DRM_ERROR("pitch                      %d\n", t->pitch);
2847         DRM_ERROR("use_pitch                  %d\n", t->use_pitch);
2848         DRM_ERROR("width                      %d\n", t->width);
2849         DRM_ERROR("width_11                   %d\n", t->width_11);
2850         DRM_ERROR("height                     %d\n", t->height);
2851         DRM_ERROR("height_11                  %d\n", t->height_11);
2852         DRM_ERROR("num levels                 %d\n", t->num_levels);
2853         DRM_ERROR("depth                      %d\n", t->txdepth);
2854         DRM_ERROR("bpp                        %d\n", t->cpp);
2855         DRM_ERROR("coordinate type            %d\n", t->tex_coord_type);
2856         DRM_ERROR("width round to power of 2  %d\n", t->roundup_w);
2857         DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
2858         DRM_ERROR("compress format            %d\n", t->compress_format);
2859 }
2860
2861 static int r100_cs_track_cube(struct radeon_device *rdev,
2862                               struct r100_cs_track *track, unsigned idx)
2863 {
2864         unsigned face, w, h;
2865         struct radeon_bo *cube_robj;
2866         unsigned long size;
2867
2868         for (face = 0; face < 5; face++) {
2869                 cube_robj = track->textures[idx].cube_info[face].robj;
2870                 w = track->textures[idx].cube_info[face].width;
2871                 h = track->textures[idx].cube_info[face].height;
2872
2873                 size = w * h;
2874                 size *= track->textures[idx].cpp;
2875
2876                 size += track->textures[idx].cube_info[face].offset;
2877
2878                 if (size > radeon_bo_size(cube_robj)) {
2879                         DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
2880                                   size, radeon_bo_size(cube_robj));
2881                         r100_cs_track_texture_print(&track->textures[idx]);
2882                         return -1;
2883                 }
2884         }
2885         return 0;
2886 }
2887
2888 static int r100_track_compress_size(int compress_format, int w, int h)
2889 {
2890         int block_width, block_height, block_bytes;
2891         int wblocks, hblocks;
2892         int min_wblocks;
2893         int sz;
2894
2895         block_width = 4;
2896         block_height = 4;
2897
2898         switch (compress_format) {
2899         case R100_TRACK_COMP_DXT1:
2900                 block_bytes = 8;
2901                 min_wblocks = 4;
2902                 break;
2903         default:
2904         case R100_TRACK_COMP_DXT35:
2905                 block_bytes = 16;
2906                 min_wblocks = 2;
2907                 break;
2908         }
2909
2910         hblocks = (h + block_height - 1) / block_height;
2911         wblocks = (w + block_width - 1) / block_width;
2912         if (wblocks < min_wblocks)
2913                 wblocks = min_wblocks;
2914         sz = wblocks * hblocks * block_bytes;
2915         return sz;
2916 }
2917
2918 static int r100_cs_track_texture_check(struct radeon_device *rdev,
2919                                        struct r100_cs_track *track)
2920 {
2921         struct radeon_bo *robj;
2922         unsigned long size;
2923         unsigned u, i, w, h, d;
2924         int ret;
2925
2926         for (u = 0; u < track->num_texture; u++) {
2927                 if (!track->textures[u].enabled)
2928                         continue;
2929                 robj = track->textures[u].robj;
2930                 if (robj == NULL) {
2931                         DRM_ERROR("No texture bound to unit %u\n", u);
2932                         return -EINVAL;
2933                 }
2934                 size = 0;
2935                 for (i = 0; i <= track->textures[u].num_levels; i++) {
2936                         if (track->textures[u].use_pitch) {
2937                                 if (rdev->family < CHIP_R300)
2938                                         w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
2939                                 else
2940                                         w = track->textures[u].pitch / (1 << i);
2941                         } else {
2942                                 w = track->textures[u].width;
2943                                 if (rdev->family >= CHIP_RV515)
2944                                         w |= track->textures[u].width_11;
2945                                 w = w / (1 << i);
2946                                 if (track->textures[u].roundup_w)
2947                                         w = roundup_pow_of_two(w);
2948                         }
2949                         h = track->textures[u].height;
2950                         if (rdev->family >= CHIP_RV515)
2951                                 h |= track->textures[u].height_11;
2952                         h = h / (1 << i);
2953                         if (track->textures[u].roundup_h)
2954                                 h = roundup_pow_of_two(h);
2955                         if (track->textures[u].tex_coord_type == 1) {
2956                                 d = (1 << track->textures[u].txdepth) / (1 << i);
2957                                 if (!d)
2958                                         d = 1;
2959                         } else {
2960                                 d = 1;
2961                         }
2962                         if (track->textures[u].compress_format) {
2963
2964                                 size += r100_track_compress_size(track->textures[u].compress_format, w, h) * d;
2965                                 /* compressed textures are block based */
2966                         } else
2967                                 size += w * h * d;
2968                 }
2969                 size *= track->textures[u].cpp;
2970
2971                 switch (track->textures[u].tex_coord_type) {
2972                 case 0:
2973                 case 1:
2974                         break;
2975                 case 2:
2976                         if (track->separate_cube) {
2977                                 ret = r100_cs_track_cube(rdev, track, u);
2978                                 if (ret)
2979                                         return ret;
2980                         } else
2981                                 size *= 6;
2982                         break;
2983                 default:
2984                         DRM_ERROR("Invalid texture coordinate type %u for unit "
2985                                   "%u\n", track->textures[u].tex_coord_type, u);
2986                         return -EINVAL;
2987                 }
2988                 if (size > radeon_bo_size(robj)) {
2989                         DRM_ERROR("Texture of unit %u needs %lu bytes but is "
2990                                   "%lu\n", u, size, radeon_bo_size(robj));
2991                         r100_cs_track_texture_print(&track->textures[u]);
2992                         return -EINVAL;
2993                 }
2994         }
2995         return 0;
2996 }
2997
2998 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
2999 {
3000         unsigned i;
3001         unsigned long size;
3002         unsigned prim_walk;
3003         unsigned nverts;
3004
3005         for (i = 0; i < track->num_cb; i++) {
3006                 if (track->cb[i].robj == NULL) {
3007                         if (!(track->fastfill || track->color_channel_mask ||
3008                               track->blend_read_enable)) {
3009                                 continue;
3010                         }
3011                         DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
3012                         return -EINVAL;
3013                 }
3014                 size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
3015                 size += track->cb[i].offset;
3016                 if (size > radeon_bo_size(track->cb[i].robj)) {
3017                         DRM_ERROR("[drm] Buffer too small for color buffer %d "
3018                                   "(need %lu have %lu) !\n", i, size,
3019                                   radeon_bo_size(track->cb[i].robj));
3020                         DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
3021                                   i, track->cb[i].pitch, track->cb[i].cpp,
3022                                   track->cb[i].offset, track->maxy);
3023                         return -EINVAL;
3024                 }
3025         }
3026         if (track->z_enabled) {
3027                 if (track->zb.robj == NULL) {
3028                         DRM_ERROR("[drm] No buffer for z buffer !\n");
3029                         return -EINVAL;
3030                 }
3031                 size = track->zb.pitch * track->zb.cpp * track->maxy;
3032                 size += track->zb.offset;
3033                 if (size > radeon_bo_size(track->zb.robj)) {
3034                         DRM_ERROR("[drm] Buffer too small for z buffer "
3035                                   "(need %lu have %lu) !\n", size,
3036                                   radeon_bo_size(track->zb.robj));
3037                         DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
3038                                   track->zb.pitch, track->zb.cpp,
3039                                   track->zb.offset, track->maxy);
3040                         return -EINVAL;
3041                 }
3042         }
3043         prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
3044         if (track->vap_vf_cntl & (1 << 14)) {
3045                 nverts = track->vap_alt_nverts;
3046         } else {
3047                 nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
3048         }
3049         switch (prim_walk) {
3050         case 1:
3051                 for (i = 0; i < track->num_arrays; i++) {
3052                         size = track->arrays[i].esize * track->max_indx * 4;
3053                         if (track->arrays[i].robj == NULL) {
3054                                 DRM_ERROR("(PW %u) Vertex array %u no buffer "
3055                                           "bound\n", prim_walk, i);
3056                                 return -EINVAL;
3057                         }
3058                         if (size > radeon_bo_size(track->arrays[i].robj)) {
3059                                 dev_err(rdev->dev, "(PW %u) Vertex array %u "
3060                                         "need %lu dwords have %lu dwords\n",
3061                                         prim_walk, i, size >> 2,
3062                                         radeon_bo_size(track->arrays[i].robj)
3063                                         >> 2);
3064                                 DRM_ERROR("Max indices %u\n", track->max_indx);
3065                                 return -EINVAL;
3066                         }
3067                 }
3068                 break;
3069         case 2:
3070                 for (i = 0; i < track->num_arrays; i++) {
3071                         size = track->arrays[i].esize * (nverts - 1) * 4;
3072                         if (track->arrays[i].robj == NULL) {
3073                                 DRM_ERROR("(PW %u) Vertex array %u no buffer "
3074                                           "bound\n", prim_walk, i);
3075                                 return -EINVAL;
3076                         }
3077                         if (size > radeon_bo_size(track->arrays[i].robj)) {
3078                                 dev_err(rdev->dev, "(PW %u) Vertex array %u "
3079                                         "need %lu dwords have %lu dwords\n",
3080                                         prim_walk, i, size >> 2,
3081                                         radeon_bo_size(track->arrays[i].robj)
3082                                         >> 2);
3083                                 return -EINVAL;
3084                         }
3085                 }
3086                 break;
3087         case 3:
3088                 size = track->vtx_size * nverts;
3089                 if (size != track->immd_dwords) {
3090                         DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
3091                                   track->immd_dwords, size);
3092                         DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
3093                                   nverts, track->vtx_size);
3094                         return -EINVAL;
3095                 }
3096                 break;
3097         default:
3098                 DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
3099                           prim_walk);
3100                 return -EINVAL;
3101         }
3102         return r100_cs_track_texture_check(rdev, track);
3103 }
3104
3105 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
3106 {
3107         unsigned i, face;
3108
3109         if (rdev->family < CHIP_R300) {
3110                 track->num_cb = 1;
3111                 if (rdev->family <= CHIP_RS200)
3112                         track->num_texture = 3;
3113                 else
3114                         track->num_texture = 6;
3115                 track->maxy = 2048;
3116                 track->separate_cube = 1;
3117         } else {
3118                 track->num_cb = 4;
3119                 track->num_texture = 16;
3120                 track->maxy = 4096;
3121                 track->separate_cube = 0;
3122         }
3123
3124         for (i = 0; i < track->num_cb; i++) {
3125                 track->cb[i].robj = NULL;
3126                 track->cb[i].pitch = 8192;
3127                 track->cb[i].cpp = 16;
3128                 track->cb[i].offset = 0;
3129         }
3130         track->z_enabled = true;
3131         track->zb.robj = NULL;
3132         track->zb.pitch = 8192;
3133         track->zb.cpp = 4;
3134         track->zb.offset = 0;
3135         track->vtx_size = 0x7F;
3136         track->immd_dwords = 0xFFFFFFFFUL;
3137         track->num_arrays = 11;
3138         track->max_indx = 0x00FFFFFFUL;
3139         for (i = 0; i < track->num_arrays; i++) {
3140                 track->arrays[i].robj = NULL;
3141                 track->arrays[i].esize = 0x7F;
3142         }
3143         for (i = 0; i < track->num_texture; i++) {
3144                 track->textures[i].compress_format = R100_TRACK_COMP_NONE;
3145                 track->textures[i].pitch = 16536;
3146                 track->textures[i].width = 16536;
3147                 track->textures[i].height = 16536;
3148                 track->textures[i].width_11 = 1 << 11;
3149                 track->textures[i].height_11 = 1 << 11;
3150                 track->textures[i].num_levels = 12;
3151                 if (rdev->family <= CHIP_RS200) {
3152                         track->textures[i].tex_coord_type = 0;
3153                         track->textures[i].txdepth = 0;
3154                 } else {
3155                         track->textures[i].txdepth = 16;
3156                         track->textures[i].tex_coord_type = 1;
3157                 }
3158                 track->textures[i].cpp = 64;
3159                 track->textures[i].robj = NULL;
3160                 /* CS IB emission code makes sure texture unit are disabled */
3161                 track->textures[i].enabled = false;
3162                 track->textures[i].roundup_w = true;
3163                 track->textures[i].roundup_h = true;
3164                 if (track->separate_cube)
3165                         for (face = 0; face < 5; face++) {
3166                                 track->textures[i].cube_info[face].robj = NULL;
3167                                 track->textures[i].cube_info[face].width = 16536;
3168                                 track->textures[i].cube_info[face].height = 16536;
3169                                 track->textures[i].cube_info[face].offset = 0;
3170                         }
3171         }
3172 }
3173
3174 int r100_ring_test(struct radeon_device *rdev)
3175 {
3176         uint32_t scratch;
3177         uint32_t tmp = 0;
3178         unsigned i;
3179         int r;
3180
3181         r = radeon_scratch_get(rdev, &scratch);
3182         if (r) {
3183                 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
3184                 return r;
3185         }
3186         WREG32(scratch, 0xCAFEDEAD);
3187         r = radeon_ring_lock(rdev, 2);
3188         if (r) {
3189                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3190                 radeon_scratch_free(rdev, scratch);
3191                 return r;
3192         }
3193         radeon_ring_write(rdev, PACKET0(scratch, 0));
3194         radeon_ring_write(rdev, 0xDEADBEEF);
3195         radeon_ring_unlock_commit(rdev);
3196         for (i = 0; i < rdev->usec_timeout; i++) {
3197                 tmp = RREG32(scratch);
3198                 if (tmp == 0xDEADBEEF) {
3199                         break;
3200                 }
3201                 DRM_UDELAY(1);
3202         }
3203         if (i < rdev->usec_timeout) {
3204                 DRM_INFO("ring test succeeded in %d usecs\n", i);
3205         } else {
3206                 DRM_ERROR("radeon: ring test failed (sracth(0x%04X)=0x%08X)\n",
3207                           scratch, tmp);
3208                 r = -EINVAL;
3209         }
3210         radeon_scratch_free(rdev, scratch);
3211         return r;
3212 }
3213
3214 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3215 {
3216         radeon_ring_write(rdev, PACKET0(RADEON_CP_IB_BASE, 1));
3217         radeon_ring_write(rdev, ib->gpu_addr);
3218         radeon_ring_write(rdev, ib->length_dw);
3219 }
3220
3221 int r100_ib_test(struct radeon_device *rdev)
3222 {
3223         struct radeon_ib *ib;
3224         uint32_t scratch;
3225         uint32_t tmp = 0;
3226         unsigned i;
3227         int r;
3228
3229         r = radeon_scratch_get(rdev, &scratch);
3230         if (r) {
3231                 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3232                 return r;
3233         }
3234         WREG32(scratch, 0xCAFEDEAD);
3235         r = radeon_ib_get(rdev, &ib);
3236         if (r) {
3237                 return r;
3238         }
3239         ib->ptr[0] = PACKET0(scratch, 0);
3240         ib->ptr[1] = 0xDEADBEEF;
3241         ib->ptr[2] = PACKET2(0);
3242         ib->ptr[3] = PACKET2(0);
3243         ib->ptr[4] = PACKET2(0);
3244         ib->ptr[5] = PACKET2(0);
3245         ib->ptr[6] = PACKET2(0);
3246         ib->ptr[7] = PACKET2(0);
3247         ib->length_dw = 8;
3248         r = radeon_ib_schedule(rdev, ib);
3249         if (r) {
3250                 radeon_scratch_free(rdev, scratch);
3251                 radeon_ib_free(rdev, &ib);
3252                 return r;
3253         }
3254         r = radeon_fence_wait(ib->fence, false);
3255         if (r) {
3256                 return r;
3257         }
3258         for (i = 0; i < rdev->usec_timeout; i++) {
3259                 tmp = RREG32(scratch);
3260                 if (tmp == 0xDEADBEEF) {
3261                         break;
3262                 }
3263                 DRM_UDELAY(1);
3264         }
3265         if (i < rdev->usec_timeout) {
3266                 DRM_INFO("ib test succeeded in %u usecs\n", i);
3267         } else {
3268                 DRM_ERROR("radeon: ib test failed (sracth(0x%04X)=0x%08X)\n",
3269                           scratch, tmp);
3270                 r = -EINVAL;
3271         }
3272         radeon_scratch_free(rdev, scratch);
3273         radeon_ib_free(rdev, &ib);
3274         return r;
3275 }
3276
3277 void r100_ib_fini(struct radeon_device *rdev)
3278 {
3279         radeon_ib_pool_fini(rdev);
3280 }
3281
3282 int r100_ib_init(struct radeon_device *rdev)
3283 {
3284         int r;
3285
3286         r = radeon_ib_pool_init(rdev);
3287         if (r) {
3288                 dev_err(rdev->dev, "failled initializing IB pool (%d).\n", r);
3289                 r100_ib_fini(rdev);
3290                 return r;
3291         }
3292         r = r100_ib_test(rdev);
3293         if (r) {
3294                 dev_err(rdev->dev, "failled testing IB (%d).\n", r);
3295                 r100_ib_fini(rdev);
3296                 return r;
3297         }
3298         return 0;
3299 }
3300
3301 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
3302 {
3303         /* Shutdown CP we shouldn't need to do that but better be safe than
3304          * sorry
3305          */
3306         rdev->cp.ready = false;
3307         WREG32(R_000740_CP_CSQ_CNTL, 0);
3308
3309         /* Save few CRTC registers */
3310         save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
3311         save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
3312         save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
3313         save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
3314         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3315                 save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
3316                 save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
3317         }
3318
3319         /* Disable VGA aperture access */
3320         WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
3321         /* Disable cursor, overlay, crtc */
3322         WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
3323         WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
3324                                         S_000054_CRTC_DISPLAY_DIS(1));
3325         WREG32(R_000050_CRTC_GEN_CNTL,
3326                         (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
3327                         S_000050_CRTC_DISP_REQ_EN_B(1));
3328         WREG32(R_000420_OV0_SCALE_CNTL,
3329                 C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
3330         WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
3331         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3332                 WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
3333                                                 S_000360_CUR2_LOCK(1));
3334                 WREG32(R_0003F8_CRTC2_GEN_CNTL,
3335                         (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
3336                         S_0003F8_CRTC2_DISPLAY_DIS(1) |
3337                         S_0003F8_CRTC2_DISP_REQ_EN_B(1));
3338                 WREG32(R_000360_CUR2_OFFSET,
3339                         C_000360_CUR2_LOCK & save->CUR2_OFFSET);
3340         }
3341 }
3342
3343 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
3344 {
3345         /* Update base address for crtc */
3346         WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3347         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3348                 WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
3349         }
3350         /* Restore CRTC registers */
3351         WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
3352         WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
3353         WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
3354         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3355                 WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
3356         }
3357 }
3358
3359 void r100_vga_render_disable(struct radeon_device *rdev)
3360 {
3361         u32 tmp;
3362
3363         tmp = RREG8(R_0003C2_GENMO_WT);
3364         WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
3365 }
3366
3367 static void r100_debugfs(struct radeon_device *rdev)
3368 {
3369         int r;
3370
3371         r = r100_debugfs_mc_info_init(rdev);
3372         if (r)
3373                 dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n");
3374 }
3375
3376 static void r100_mc_program(struct radeon_device *rdev)
3377 {
3378         struct r100_mc_save save;
3379
3380         /* Stops all mc clients */
3381         r100_mc_stop(rdev, &save);
3382         if (rdev->flags & RADEON_IS_AGP) {
3383                 WREG32(R_00014C_MC_AGP_LOCATION,
3384                         S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
3385                         S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
3386                 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
3387                 if (rdev->family > CHIP_RV200)
3388                         WREG32(R_00015C_AGP_BASE_2,
3389                                 upper_32_bits(rdev->mc.agp_base) & 0xff);
3390         } else {
3391                 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
3392                 WREG32(R_000170_AGP_BASE, 0);
3393                 if (rdev->family > CHIP_RV200)
3394                         WREG32(R_00015C_AGP_BASE_2, 0);
3395         }
3396         /* Wait for mc idle */
3397         if (r100_mc_wait_for_idle(rdev))
3398                 dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
3399         /* Program MC, should be a 32bits limited address space */
3400         WREG32(R_000148_MC_FB_LOCATION,
3401                 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
3402                 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
3403         r100_mc_resume(rdev, &save);
3404 }
3405
3406 void r100_clock_startup(struct radeon_device *rdev)
3407 {
3408         u32 tmp;
3409
3410         if (radeon_dynclks != -1 && radeon_dynclks)
3411                 radeon_legacy_set_clock_gating(rdev, 1);
3412         /* We need to force on some of the block */
3413         tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
3414         tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
3415         if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280))
3416                 tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1);
3417         WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
3418 }
3419
3420 static int r100_startup(struct radeon_device *rdev)
3421 {
3422         int r;
3423
3424         /* set common regs */
3425         r100_set_common_regs(rdev);
3426         /* program mc */
3427         r100_mc_program(rdev);
3428         /* Resume clock */
3429         r100_clock_startup(rdev);
3430         /* Initialize GPU configuration (# pipes, ...) */
3431 //      r100_gpu_init(rdev);
3432         /* Initialize GART (initialize after TTM so we can allocate
3433          * memory through TTM but finalize after TTM) */
3434         r100_enable_bm(rdev);
3435         if (rdev->flags & RADEON_IS_PCI) {
3436                 r = r100_pci_gart_enable(rdev);
3437                 if (r)
3438                         return r;
3439         }
3440         /* Enable IRQ */
3441         r100_irq_set(rdev);
3442         rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
3443         /* 1M ring buffer */
3444         r = r100_cp_init(rdev, 1024 * 1024);
3445         if (r) {
3446                 dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
3447                 return r;
3448         }
3449         r = r100_wb_init(rdev);
3450         if (r)
3451                 dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
3452         r = r100_ib_init(rdev);
3453         if (r) {
3454                 dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
3455                 return r;
3456         }
3457         return 0;
3458 }
3459
3460 int r100_resume(struct radeon_device *rdev)
3461 {
3462         /* Make sur GART are not working */
3463         if (rdev->flags & RADEON_IS_PCI)
3464                 r100_pci_gart_disable(rdev);
3465         /* Resume clock before doing reset */
3466         r100_clock_startup(rdev);
3467         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
3468         if (radeon_asic_reset(rdev)) {
3469                 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3470                         RREG32(R_000E40_RBBM_STATUS),
3471                         RREG32(R_0007C0_CP_STAT));
3472         }
3473         /* post */
3474         radeon_combios_asic_init(rdev->ddev);
3475         /* Resume clock after posting */
3476         r100_clock_startup(rdev);
3477         /* Initialize surface registers */
3478         radeon_surface_init(rdev);
3479         return r100_startup(rdev);
3480 }
3481
3482 int r100_suspend(struct radeon_device *rdev)
3483 {
3484         r100_cp_disable(rdev);
3485         r100_wb_disable(rdev);
3486         r100_irq_disable(rdev);
3487         if (rdev->flags & RADEON_IS_PCI)
3488                 r100_pci_gart_disable(rdev);
3489         return 0;
3490 }
3491
3492 void r100_fini(struct radeon_device *rdev)
3493 {
3494         radeon_pm_fini(rdev);
3495         r100_cp_fini(rdev);
3496         r100_wb_fini(rdev);
3497         r100_ib_fini(rdev);
3498         radeon_gem_fini(rdev);
3499         if (rdev->flags & RADEON_IS_PCI)
3500                 r100_pci_gart_fini(rdev);
3501         radeon_agp_fini(rdev);
3502         radeon_irq_kms_fini(rdev);
3503         radeon_fence_driver_fini(rdev);
3504         radeon_bo_fini(rdev);
3505         radeon_atombios_fini(rdev);
3506         kfree(rdev->bios);
3507         rdev->bios = NULL;
3508 }
3509
3510 int r100_init(struct radeon_device *rdev)
3511 {
3512         int r;
3513
3514         /* Register debugfs file specific to this group of asics */
3515         r100_debugfs(rdev);
3516         /* Disable VGA */
3517         r100_vga_render_disable(rdev);
3518         /* Initialize scratch registers */
3519         radeon_scratch_init(rdev);
3520         /* Initialize surface registers */
3521         radeon_surface_init(rdev);
3522         /* TODO: disable VGA need to use VGA request */
3523         /* BIOS*/
3524         if (!radeon_get_bios(rdev)) {
3525                 if (ASIC_IS_AVIVO(rdev))
3526                         return -EINVAL;
3527         }
3528         if (rdev->is_atom_bios) {
3529                 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
3530                 return -EINVAL;
3531         } else {
3532                 r = radeon_combios_init(rdev);
3533                 if (r)
3534                         return r;
3535         }
3536         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
3537         if (radeon_asic_reset(rdev)) {
3538                 dev_warn(rdev->dev,
3539                         "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3540                         RREG32(R_000E40_RBBM_STATUS),
3541                         RREG32(R_0007C0_CP_STAT));
3542         }
3543         /* check if cards are posted or not */
3544         if (radeon_boot_test_post_card(rdev) == false)
3545                 return -EINVAL;
3546         /* Set asic errata */
3547         r100_errata(rdev);
3548         /* Initialize clocks */
3549         radeon_get_clock_info(rdev->ddev);
3550         /* Initialize power management */
3551         radeon_pm_init(rdev);
3552         /* initialize AGP */
3553         if (rdev->flags & RADEON_IS_AGP) {
3554                 r = radeon_agp_init(rdev);
3555                 if (r) {
3556                         radeon_agp_disable(rdev);
3557                 }
3558         }
3559         /* initialize VRAM */
3560         r100_mc_init(rdev);
3561         /* Fence driver */
3562         r = radeon_fence_driver_init(rdev);
3563         if (r)
3564                 return r;
3565         r = radeon_irq_kms_init(rdev);
3566         if (r)
3567                 return r;
3568         /* Memory manager */
3569         r = radeon_bo_init(rdev);
3570         if (r)
3571                 return r;
3572         if (rdev->flags & RADEON_IS_PCI) {
3573                 r = r100_pci_gart_init(rdev);
3574                 if (r)
3575                         return r;
3576         }
3577         r100_set_safe_registers(rdev);
3578         rdev->accel_working = true;
3579         r = r100_startup(rdev);
3580         if (r) {
3581                 /* Somethings want wront with the accel init stop accel */
3582                 dev_err(rdev->dev, "Disabling GPU acceleration\n");
3583                 r100_cp_fini(rdev);
3584                 r100_wb_fini(rdev);
3585                 r100_ib_fini(rdev);
3586                 radeon_irq_kms_fini(rdev);
3587                 if (rdev->flags & RADEON_IS_PCI)
3588                         r100_pci_gart_fini(rdev);
3589                 rdev->accel_working = false;
3590         }
3591         return 0;
3592 }