drivers/gpu/drm/radeon/r100.c

   1 /*
   2  * Copyright 2008 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  * Copyright 2009 Jerome Glisse.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors: Dave Airlie
  25  *          Alex Deucher
  26  *          Jerome Glisse
  27  */
  28 #include <linux/seq_file.h>
  29 #include "drmP.h"
  30 #include "drm.h"
  31 #include "radeon_drm.h"
  32 #include "radeon_reg.h"
  33 #include "radeon.h"
  34 #include "r100d.h"
  35 #include "rs100d.h"
  36 #include "rv200d.h"
  37 #include "rv250d.h"
  38
  39 #include <linux/firmware.h>
  40 #include <linux/platform_device.h>
  41
  42 #include "r100_reg_safe.h"
  43 #include "rn50_reg_safe.h"
  44
  45 /* Firmware Names */
  46 #define FIRMWARE_R100           "radeon/R100_cp.bin"
  47 #define FIRMWARE_R200           "radeon/R200_cp.bin"
  48 #define FIRMWARE_R300           "radeon/R300_cp.bin"
  49 #define FIRMWARE_R420           "radeon/R420_cp.bin"
  50 #define FIRMWARE_RS690          "radeon/RS690_cp.bin"
  51 #define FIRMWARE_RS600          "radeon/RS600_cp.bin"
  52 #define FIRMWARE_R520           "radeon/R520_cp.bin"
  53
  54 MODULE_FIRMWARE(FIRMWARE_R100);
  55 MODULE_FIRMWARE(FIRMWARE_R200);
  56 MODULE_FIRMWARE(FIRMWARE_R300);
  57 MODULE_FIRMWARE(FIRMWARE_R420);
  58 MODULE_FIRMWARE(FIRMWARE_RS690);
  59 MODULE_FIRMWARE(FIRMWARE_RS600);
  60 MODULE_FIRMWARE(FIRMWARE_R520);
  61
  62 #include "r100_track.h"
  63
  64 /* This files gather functions specifics to:
  65  * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
  66  */
  67
  68 /*
  69  * PCI GART
  70  */
  71 void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
  72 {
  73         /* TODO: can we do somethings here ? */
  74         /* It seems hw only cache one entry so we should discard this
  75          * entry otherwise if first GPU GART read hit this entry it
  76          * could end up in wrong address. */
  77 }
  78
  79 int r100_pci_gart_init(struct radeon_device *rdev)
  80 {
  81         int r;
  82
  83         if (rdev->gart.table.ram.ptr) {
  84                 WARN(1, "R100 PCI GART already initialized.\n");
  85                 return 0;
  86         }
  87         /* Initialize common gart structure */
  88         r = radeon_gart_init(rdev);
  89         if (r)
  90                 return r;
  91         rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
  92         rdev->asic->gart_tlb_flush = &r100_pci_gart_tlb_flush;
  93         rdev->asic->gart_set_page = &r100_pci_gart_set_page;
  94         return radeon_gart_table_ram_alloc(rdev);
  95 }
  96
  97 int r100_pci_gart_enable(struct radeon_device *rdev)
  98 {
  99         uint32_t tmp;
 100
 101         /* discard memory request outside of configured range */
 102         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 103         WREG32(RADEON_AIC_CNTL, tmp);
 104         /* set address range for PCI address translate */
 105         WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_location);
 106         tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
 107         WREG32(RADEON_AIC_HI_ADDR, tmp);
 108         /* Enable bus mastering */
 109         tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
 110         WREG32(RADEON_BUS_CNTL, tmp);
 111         /* set PCI GART page-table base address */
 112         WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
 113         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
 114         WREG32(RADEON_AIC_CNTL, tmp);
 115         r100_pci_gart_tlb_flush(rdev);
 116         rdev->gart.ready = true;
 117         return 0;
 118 }
 119
 120 void r100_pci_gart_disable(struct radeon_device *rdev)
 121 {
 122         uint32_t tmp;
 123
 124         /* discard memory request outside of configured range */
 125         tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 126         WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
 127         WREG32(RADEON_AIC_LO_ADDR, 0);
 128         WREG32(RADEON_AIC_HI_ADDR, 0);
 129 }
 130
 131 int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
 132 {
 133         if (i < 0 || i > rdev->gart.num_gpu_pages) {
 134                 return -EINVAL;
 135         }
 136         rdev->gart.table.ram.ptr[i] = cpu_to_le32(lower_32_bits(addr));
 137         return 0;
 138 }
 139
 140 void r100_pci_gart_fini(struct radeon_device *rdev)
 141 {
 142         r100_pci_gart_disable(rdev);
 143         radeon_gart_table_ram_free(rdev);
 144         radeon_gart_fini(rdev);
 145 }
 146
 147 int r100_irq_set(struct radeon_device *rdev)
 148 {
 149         uint32_t tmp = 0;
 150
 151         if (rdev->irq.sw_int) {
 152                 tmp |= RADEON_SW_INT_ENABLE;
 153         }
 154         if (rdev->irq.crtc_vblank_int[0]) {
 155                 tmp |= RADEON_CRTC_VBLANK_MASK;
 156         }
 157         if (rdev->irq.crtc_vblank_int[1]) {
 158                 tmp |= RADEON_CRTC2_VBLANK_MASK;
 159         }
 160         WREG32(RADEON_GEN_INT_CNTL, tmp);
 161         return 0;
 162 }
 163
 164 void r100_irq_disable(struct radeon_device *rdev)
 165 {
 166         u32 tmp;
 167
 168         WREG32(R_000040_GEN_INT_CNTL, 0);
 169         /* Wait and acknowledge irq */
 170         mdelay(1);
 171         tmp = RREG32(R_000044_GEN_INT_STATUS);
 172         WREG32(R_000044_GEN_INT_STATUS, tmp);
 173 }
 174
 175 static inline uint32_t r100_irq_ack(struct radeon_device *rdev)
 176 {
 177         uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
 178         uint32_t irq_mask = RADEON_SW_INT_TEST | RADEON_CRTC_VBLANK_STAT |
 179                 RADEON_CRTC2_VBLANK_STAT;
 180
 181         if (irqs) {
 182                 WREG32(RADEON_GEN_INT_STATUS, irqs);
 183         }
 184         return irqs & irq_mask;
 185 }
 186
 187 int r100_irq_process(struct radeon_device *rdev)
 188 {
 189         uint32_t status;
 190
 191         status = r100_irq_ack(rdev);
 192         if (!status) {
 193                 return IRQ_NONE;
 194         }
 195         if (rdev->shutdown) {
 196                 return IRQ_NONE;
 197         }
 198         while (status) {
 199                 /* SW interrupt */
 200                 if (status & RADEON_SW_INT_TEST) {
 201                         radeon_fence_process(rdev);
 202                 }
 203                 /* Vertical blank interrupts */
 204                 if (status & RADEON_CRTC_VBLANK_STAT) {
 205                         drm_handle_vblank(rdev->ddev, 0);
 206                 }
 207                 if (status & RADEON_CRTC2_VBLANK_STAT) {
 208                         drm_handle_vblank(rdev->ddev, 1);
 209                 }
 210                 status = r100_irq_ack(rdev);
 211         }
 212         return IRQ_HANDLED;
 213 }
 214
 215 u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
 216 {
 217         if (crtc == 0)
 218                 return RREG32(RADEON_CRTC_CRNT_FRAME);
 219         else
 220                 return RREG32(RADEON_CRTC2_CRNT_FRAME);
 221 }
 222
 223 void r100_fence_ring_emit(struct radeon_device *rdev,
 224                           struct radeon_fence *fence)
 225 {
 226         /* Who ever call radeon_fence_emit should call ring_lock and ask
 227          * for enough space (today caller are ib schedule and buffer move) */
 228         /* Wait until IDLE & CLEAN */
 229         radeon_ring_write(rdev, PACKET0(0x1720, 0));
 230         radeon_ring_write(rdev, (1 << 16) | (1 << 17));
 231         /* Emit fence sequence & fire IRQ */
 232         radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0));
 233         radeon_ring_write(rdev, fence->seq);
 234         radeon_ring_write(rdev, PACKET0(RADEON_GEN_INT_STATUS, 0));
 235         radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
 236 }
 237
 238 int r100_wb_init(struct radeon_device *rdev)
 239 {
 240         int r;
 241
 242         if (rdev->wb.wb_obj == NULL) {
 243                 r = radeon_object_create(rdev, NULL, 4096,
 244                                          true,
 245                                          RADEON_GEM_DOMAIN_GTT,
 246                                          false, &rdev->wb.wb_obj);
 247                 if (r) {
 248                         DRM_ERROR("radeon: failed to create WB buffer (%d).\n", r);
 249                         return r;
 250                 }
 251                 r = radeon_object_pin(rdev->wb.wb_obj,
 252                                       RADEON_GEM_DOMAIN_GTT,
 253                                       &rdev->wb.gpu_addr);
 254                 if (r) {
 255                         DRM_ERROR("radeon: failed to pin WB buffer (%d).\n", r);
 256                         return r;
 257                 }
 258                 r = radeon_object_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb);
 259                 if (r) {
 260                         DRM_ERROR("radeon: failed to map WB buffer (%d).\n", r);
 261                         return r;
 262                 }
 263         }
 264         WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr);
 265         WREG32(R_00070C_CP_RB_RPTR_ADDR,
 266                 S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + 1024) >> 2));
 267         WREG32(R_000770_SCRATCH_UMSK, 0xff);
 268         return 0;
 269 }
 270
 271 void r100_wb_disable(struct radeon_device *rdev)
 272 {
 273         WREG32(R_000770_SCRATCH_UMSK, 0);
 274 }
 275
 276 void r100_wb_fini(struct radeon_device *rdev)
 277 {
 278         r100_wb_disable(rdev);
 279         if (rdev->wb.wb_obj) {
 280                 radeon_object_kunmap(rdev->wb.wb_obj);
 281                 radeon_object_unpin(rdev->wb.wb_obj);
 282                 radeon_object_unref(&rdev->wb.wb_obj);
 283                 rdev->wb.wb = NULL;
 284                 rdev->wb.wb_obj = NULL;
 285         }
 286 }
 287
 288 int r100_copy_blit(struct radeon_device *rdev,
 289                    uint64_t src_offset,
 290                    uint64_t dst_offset,
 291                    unsigned num_pages,
 292                    struct radeon_fence *fence)
 293 {
 294         uint32_t cur_pages;
 295         uint32_t stride_bytes = PAGE_SIZE;
 296         uint32_t pitch;
 297         uint32_t stride_pixels;
 298         unsigned ndw;
 299         int num_loops;
 300         int r = 0;
 301
 302         /* radeon limited to 16k stride */
 303         stride_bytes &= 0x3fff;
 304         /* radeon pitch is /64 */
 305         pitch = stride_bytes / 64;
 306         stride_pixels = stride_bytes / 4;
 307         num_loops = DIV_ROUND_UP(num_pages, 8191);
 308
 309         /* Ask for enough room for blit + flush + fence */
 310         ndw = 64 + (10 * num_loops);
 311         r = radeon_ring_lock(rdev, ndw);
 312         if (r) {
 313                 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
 314                 return -EINVAL;
 315         }
 316         while (num_pages > 0) {
 317                 cur_pages = num_pages;
 318                 if (cur_pages > 8191) {
 319                         cur_pages = 8191;
 320                 }
 321                 num_pages -= cur_pages;
 322
 323                 /* pages are in Y direction - height
 324                    page width in X direction - width */
 325                 radeon_ring_write(rdev, PACKET3(PACKET3_BITBLT_MULTI, 8));
 326                 radeon_ring_write(rdev,
 327                                   RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
 328                                   RADEON_GMC_DST_PITCH_OFFSET_CNTL |
 329                                   RADEON_GMC_SRC_CLIPPING |
 330                                   RADEON_GMC_DST_CLIPPING |
 331                                   RADEON_GMC_BRUSH_NONE |
 332                                   (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
 333                                   RADEON_GMC_SRC_DATATYPE_COLOR |
 334                                   RADEON_ROP3_S |
 335                                   RADEON_DP_SRC_SOURCE_MEMORY |
 336                                   RADEON_GMC_CLR_CMP_CNTL_DIS |
 337                                   RADEON_GMC_WR_MSK_DIS);
 338                 radeon_ring_write(rdev, (pitch << 22) | (src_offset >> 10));
 339                 radeon_ring_write(rdev, (pitch << 22) | (dst_offset >> 10));
 340                 radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
 341                 radeon_ring_write(rdev, 0);
 342                 radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
 343                 radeon_ring_write(rdev, num_pages);
 344                 radeon_ring_write(rdev, num_pages);
 345                 radeon_ring_write(rdev, cur_pages | (stride_pixels << 16));
 346         }
 347         radeon_ring_write(rdev, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
 348         radeon_ring_write(rdev, RADEON_RB2D_DC_FLUSH_ALL);
 349         radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
 350         radeon_ring_write(rdev,
 351                           RADEON_WAIT_2D_IDLECLEAN |
 352                           RADEON_WAIT_HOST_IDLECLEAN |
 353                           RADEON_WAIT_DMA_GUI_IDLE);
 354         if (fence) {
 355                 r = radeon_fence_emit(rdev, fence);
 356         }
 357         radeon_ring_unlock_commit(rdev);
 358         return r;
 359 }
 360
 361 static int r100_cp_wait_for_idle(struct radeon_device *rdev)
 362 {
 363         unsigned i;
 364         u32 tmp;
 365
 366         for (i = 0; i < rdev->usec_timeout; i++) {
 367                 tmp = RREG32(R_000E40_RBBM_STATUS);
 368                 if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
 369                         return 0;
 370                 }
 371                 udelay(1);
 372         }
 373         return -1;
 374 }
 375
 376 void r100_ring_start(struct radeon_device *rdev)
 377 {
 378         int r;
 379
 380         r = radeon_ring_lock(rdev, 2);
 381         if (r) {
 382                 return;
 383         }
 384         radeon_ring_write(rdev, PACKET0(RADEON_ISYNC_CNTL, 0));
 385         radeon_ring_write(rdev,
 386                           RADEON_ISYNC_ANY2D_IDLE3D |
 387                           RADEON_ISYNC_ANY3D_IDLE2D |
 388                           RADEON_ISYNC_WAIT_IDLEGUI |
 389                           RADEON_ISYNC_CPSCRATCH_IDLEGUI);
 390         radeon_ring_unlock_commit(rdev);
 391 }
 392
 393
 394 /* Load the microcode for the CP */
 395 static int r100_cp_init_microcode(struct radeon_device *rdev)
 396 {
 397         struct platform_device *pdev;
 398         const char *fw_name = NULL;
 399         int err;
 400
 401         DRM_DEBUG("\n");
 402
 403         pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
 404         err = IS_ERR(pdev);
 405         if (err) {
 406                 printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
 407                 return -EINVAL;
 408         }
 409         if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
 410             (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
 411             (rdev->family == CHIP_RS200)) {
 412                 DRM_INFO("Loading R100 Microcode\n");
 413                 fw_name = FIRMWARE_R100;
 414         } else if ((rdev->family == CHIP_R200) ||
 415                    (rdev->family == CHIP_RV250) ||
 416                    (rdev->family == CHIP_RV280) ||
 417                    (rdev->family == CHIP_RS300)) {
 418                 DRM_INFO("Loading R200 Microcode\n");
 419                 fw_name = FIRMWARE_R200;
 420         } else if ((rdev->family == CHIP_R300) ||
 421                    (rdev->family == CHIP_R350) ||
 422                    (rdev->family == CHIP_RV350) ||
 423                    (rdev->family == CHIP_RV380) ||
 424                    (rdev->family == CHIP_RS400) ||
 425                    (rdev->family == CHIP_RS480)) {
 426                 DRM_INFO("Loading R300 Microcode\n");
 427                 fw_name = FIRMWARE_R300;
 428         } else if ((rdev->family == CHIP_R420) ||
 429                    (rdev->family == CHIP_R423) ||
 430                    (rdev->family == CHIP_RV410)) {
 431                 DRM_INFO("Loading R400 Microcode\n");
 432                 fw_name = FIRMWARE_R420;
 433         } else if ((rdev->family == CHIP_RS690) ||
 434                    (rdev->family == CHIP_RS740)) {
 435                 DRM_INFO("Loading RS690/RS740 Microcode\n");
 436                 fw_name = FIRMWARE_RS690;
 437         } else if (rdev->family == CHIP_RS600) {
 438                 DRM_INFO("Loading RS600 Microcode\n");
 439                 fw_name = FIRMWARE_RS600;
 440         } else if ((rdev->family == CHIP_RV515) ||
 441                    (rdev->family == CHIP_R520) ||
 442                    (rdev->family == CHIP_RV530) ||
 443                    (rdev->family == CHIP_R580) ||
 444                    (rdev->family == CHIP_RV560) ||
 445                    (rdev->family == CHIP_RV570)) {
 446                 DRM_INFO("Loading R500 Microcode\n");
 447                 fw_name = FIRMWARE_R520;
 448         }
 449
 450         err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
 451         platform_device_unregister(pdev);
 452         if (err) {
 453                 printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
 454                        fw_name);
 455         } else if (rdev->me_fw->size % 8) {
 456                 printk(KERN_ERR
 457                        "radeon_cp: Bogus length %zu in firmware \"%s\"\n",
 458                        rdev->me_fw->size, fw_name);
 459                 err = -EINVAL;
 460                 release_firmware(rdev->me_fw);
 461                 rdev->me_fw = NULL;
 462         }
 463         return err;
 464 }
 465
 466 static void r100_cp_load_microcode(struct radeon_device *rdev)
 467 {
 468         const __be32 *fw_data;
 469         int i, size;
 470
 471         if (r100_gui_wait_for_idle(rdev)) {
 472                 printk(KERN_WARNING "Failed to wait GUI idle while "
 473                        "programming pipes. Bad things might happen.\n");
 474         }
 475
 476         if (rdev->me_fw) {
 477                 size = rdev->me_fw->size / 4;
 478                 fw_data = (const __be32 *)&rdev->me_fw->data[0];
 479                 WREG32(RADEON_CP_ME_RAM_ADDR, 0);
 480                 for (i = 0; i < size; i += 2) {
 481                         WREG32(RADEON_CP_ME_RAM_DATAH,
 482                                be32_to_cpup(&fw_data[i]));
 483                         WREG32(RADEON_CP_ME_RAM_DATAL,
 484                                be32_to_cpup(&fw_data[i + 1]));
 485                 }
 486         }
 487 }
 488
 489 int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
 490 {
 491         unsigned rb_bufsz;
 492         unsigned rb_blksz;
 493         unsigned max_fetch;
 494         unsigned pre_write_timer;
 495         unsigned pre_write_limit;
 496         unsigned indirect2_start;
 497         unsigned indirect1_start;
 498         uint32_t tmp;
 499         int r;
 500
 501         if (r100_debugfs_cp_init(rdev)) {
 502                 DRM_ERROR("Failed to register debugfs file for CP !\n");
 503         }
 504         /* Reset CP */
 505         tmp = RREG32(RADEON_CP_CSQ_STAT);
 506         if ((tmp & (1 << 31))) {
 507                 DRM_INFO("radeon: cp busy (0x%08X) resetting\n", tmp);
 508                 WREG32(RADEON_CP_CSQ_MODE, 0);
 509                 WREG32(RADEON_CP_CSQ_CNTL, 0);
 510                 WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_CP);
 511                 tmp = RREG32(RADEON_RBBM_SOFT_RESET);
 512                 mdelay(2);
 513                 WREG32(RADEON_RBBM_SOFT_RESET, 0);
 514                 tmp = RREG32(RADEON_RBBM_SOFT_RESET);
 515                 mdelay(2);
 516                 tmp = RREG32(RADEON_CP_CSQ_STAT);
 517                 if ((tmp & (1 << 31))) {
 518                         DRM_INFO("radeon: cp reset failed (0x%08X)\n", tmp);
 519                 }
 520         } else {
 521                 DRM_INFO("radeon: cp idle (0x%08X)\n", tmp);
 522         }
 523
 524         if (!rdev->me_fw) {
 525                 r = r100_cp_init_microcode(rdev);
 526                 if (r) {
 527                         DRM_ERROR("Failed to load firmware!\n");
 528                         return r;
 529                 }
 530         }
 531
 532         /* Align ring size */
 533         rb_bufsz = drm_order(ring_size / 8);
 534         ring_size = (1 << (rb_bufsz + 1)) * 4;
 535         r100_cp_load_microcode(rdev);
 536         r = radeon_ring_init(rdev, ring_size);
 537         if (r) {
 538                 return r;
 539         }
 540         /* Each time the cp read 1024 bytes (16 dword/quadword) update
 541          * the rptr copy in system ram */
 542         rb_blksz = 9;
 543         /* cp will read 128bytes at a time (4 dwords) */
 544         max_fetch = 1;
 545         rdev->cp.align_mask = 16 - 1;
 546         /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
 547         pre_write_timer = 64;
 548         /* Force CP_RB_WPTR write if written more than one time before the
 549          * delay expire
 550          */
 551         pre_write_limit = 0;
 552         /* Setup the cp cache like this (cache size is 96 dwords) :
 553          *      RING            0  to 15
 554          *      INDIRECT1       16 to 79
 555          *      INDIRECT2       80 to 95
 556          * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
 557          *    indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
 558          *    indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
 559          * Idea being that most of the gpu cmd will be through indirect1 buffer
 560          * so it gets the bigger cache.
 561          */
 562         indirect2_start = 80;
 563         indirect1_start = 16;
 564         /* cp setup */
 565         WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
 566         WREG32(RADEON_CP_RB_CNTL,
 567 #ifdef __BIG_ENDIAN
 568                RADEON_BUF_SWAP_32BIT |
 569 #endif
 570                REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
 571                REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
 572                REG_SET(RADEON_MAX_FETCH, max_fetch) |
 573                RADEON_RB_NO_UPDATE);
 574         /* Set ring address */
 575         DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)rdev->cp.gpu_addr);
 576         WREG32(RADEON_CP_RB_BASE, rdev->cp.gpu_addr);
 577         /* Force read & write ptr to 0 */
 578         tmp = RREG32(RADEON_CP_RB_CNTL);
 579         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
 580         WREG32(RADEON_CP_RB_RPTR_WR, 0);
 581         WREG32(RADEON_CP_RB_WPTR, 0);
 582         WREG32(RADEON_CP_RB_CNTL, tmp);
 583         udelay(10);
 584         rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
 585         rdev->cp.wptr = RREG32(RADEON_CP_RB_WPTR);
 586         /* Set cp mode to bus mastering & enable cp*/
 587         WREG32(RADEON_CP_CSQ_MODE,
 588                REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
 589                REG_SET(RADEON_INDIRECT1_START, indirect1_start));
 590         WREG32(0x718, 0);
 591         WREG32(0x744, 0x00004D4D);
 592         WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
 593         radeon_ring_start(rdev);
 594         r = radeon_ring_test(rdev);
 595         if (r) {
 596                 DRM_ERROR("radeon: cp isn't working (%d).\n", r);
 597                 return r;
 598         }
 599         rdev->cp.ready = true;
 600         return 0;
 601 }
 602
 603 void r100_cp_fini(struct radeon_device *rdev)
 604 {
 605         if (r100_cp_wait_for_idle(rdev)) {
 606                 DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
 607         }
 608         /* Disable ring */
 609         r100_cp_disable(rdev);
 610         radeon_ring_fini(rdev);
 611         DRM_INFO("radeon: cp finalized\n");
 612 }
 613
 614 void r100_cp_disable(struct radeon_device *rdev)
 615 {
 616         /* Disable ring */
 617         rdev->cp.ready = false;
 618         WREG32(RADEON_CP_CSQ_MODE, 0);
 619         WREG32(RADEON_CP_CSQ_CNTL, 0);
 620         if (r100_gui_wait_for_idle(rdev)) {
 621                 printk(KERN_WARNING "Failed to wait GUI idle while "
 622                        "programming pipes. Bad things might happen.\n");
 623         }
 624 }
 625
 626 int r100_cp_reset(struct radeon_device *rdev)
 627 {
 628         uint32_t tmp;
 629         bool reinit_cp;
 630         int i;
 631
 632         reinit_cp = rdev->cp.ready;
 633         rdev->cp.ready = false;
 634         WREG32(RADEON_CP_CSQ_MODE, 0);
 635         WREG32(RADEON_CP_CSQ_CNTL, 0);
 636         WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_CP);
 637         (void)RREG32(RADEON_RBBM_SOFT_RESET);
 638         udelay(200);
 639         WREG32(RADEON_RBBM_SOFT_RESET, 0);
 640         /* Wait to prevent race in RBBM_STATUS */
 641         mdelay(1);
 642         for (i = 0; i < rdev->usec_timeout; i++) {
 643                 tmp = RREG32(RADEON_RBBM_STATUS);
 644                 if (!(tmp & (1 << 16))) {
 645                         DRM_INFO("CP reset succeed (RBBM_STATUS=0x%08X)\n",
 646                                  tmp);
 647                         if (reinit_cp) {
 648                                 return r100_cp_init(rdev, rdev->cp.ring_size);
 649                         }
 650                         return 0;
 651                 }
 652                 DRM_UDELAY(1);
 653         }
 654         tmp = RREG32(RADEON_RBBM_STATUS);
 655         DRM_ERROR("Failed to reset CP (RBBM_STATUS=0x%08X)!\n", tmp);
 656         return -1;
 657 }
 658
 659 void r100_cp_commit(struct radeon_device *rdev)
 660 {
 661         WREG32(RADEON_CP_RB_WPTR, rdev->cp.wptr);
 662         (void)RREG32(RADEON_CP_RB_WPTR);
 663 }
 664
 665
 666 /*
 667  * CS functions
 668  */
 669 int r100_cs_parse_packet0(struct radeon_cs_parser *p,
 670                           struct radeon_cs_packet *pkt,
 671                           const unsigned *auth, unsigned n,
 672                           radeon_packet0_check_t check)
 673 {
 674         unsigned reg;
 675         unsigned i, j, m;
 676         unsigned idx;
 677         int r;
 678
 679         idx = pkt->idx + 1;
 680         reg = pkt->reg;
 681         /* Check that register fall into register range
 682          * determined by the number of entry (n) in the
 683          * safe register bitmap.
 684          */
 685         if (pkt->one_reg_wr) {
 686                 if ((reg >> 7) > n) {
 687                         return -EINVAL;
 688                 }
 689         } else {
 690                 if (((reg + (pkt->count << 2)) >> 7) > n) {
 691                         return -EINVAL;
 692                 }
 693         }
 694         for (i = 0; i <= pkt->count; i++, idx++) {
 695                 j = (reg >> 7);
 696                 m = 1 << ((reg >> 2) & 31);
 697                 if (auth[j] & m) {
 698                         r = check(p, pkt, idx, reg);
 699                         if (r) {
 700                                 return r;
 701                         }
 702                 }
 703                 if (pkt->one_reg_wr) {
 704                         if (!(auth[j] & m)) {
 705                                 break;
 706                         }
 707                 } else {
 708                         reg += 4;
 709                 }
 710         }
 711         return 0;
 712 }
 713
 714 void r100_cs_dump_packet(struct radeon_cs_parser *p,
 715                          struct radeon_cs_packet *pkt)
 716 {
 717         volatile uint32_t *ib;
 718         unsigned i;
 719         unsigned idx;
 720
 721         ib = p->ib->ptr;
 722         idx = pkt->idx;
 723         for (i = 0; i <= (pkt->count + 1); i++, idx++) {
 724                 DRM_INFO("ib[%d]=0x%08X\n", idx, ib[idx]);
 725         }
 726 }
 727
 728 /**
 729  * r100_cs_packet_parse() - parse cp packet and point ib index to next packet
 730  * @parser:     parser structure holding parsing context.
 731  * @pkt:        where to store packet informations
 732  *
 733  * Assume that chunk_ib_index is properly set. Will return -EINVAL
 734  * if packet is bigger than remaining ib size. or if packets is unknown.
 735  **/
 736 int r100_cs_packet_parse(struct radeon_cs_parser *p,
 737                          struct radeon_cs_packet *pkt,
 738                          unsigned idx)
 739 {
 740         struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
 741         uint32_t header;
 742
 743         if (idx >= ib_chunk->length_dw) {
 744                 DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
 745                           idx, ib_chunk->length_dw);
 746                 return -EINVAL;
 747         }
 748         header = radeon_get_ib_value(p, idx);
 749         pkt->idx = idx;
 750         pkt->type = CP_PACKET_GET_TYPE(header);
 751         pkt->count = CP_PACKET_GET_COUNT(header);
 752         switch (pkt->type) {
 753         case PACKET_TYPE0:
 754                 pkt->reg = CP_PACKET0_GET_REG(header);
 755                 pkt->one_reg_wr = CP_PACKET0_GET_ONE_REG_WR(header);
 756                 break;
 757         case PACKET_TYPE3:
 758                 pkt->opcode = CP_PACKET3_GET_OPCODE(header);
 759                 break;
 760         case PACKET_TYPE2:
 761                 pkt->count = -1;
 762                 break;
 763         default:
 764                 DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
 765                 return -EINVAL;
 766         }
 767         if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
 768                 DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
 769                           pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
 770                 return -EINVAL;
 771         }
 772         return 0;
 773 }
 774
 775 /**
 776  * r100_cs_packet_next_vline() - parse userspace VLINE packet
 777  * @parser:             parser structure holding parsing context.
 778  *
 779  * Userspace sends a special sequence for VLINE waits.
 780  * PACKET0 - VLINE_START_END + value
 781  * PACKET0 - WAIT_UNTIL +_value
 782  * RELOC (P3) - crtc_id in reloc.
 783  *
 784  * This function parses this and relocates the VLINE START END
 785  * and WAIT UNTIL packets to the correct crtc.
 786  * It also detects a switched off crtc and nulls out the
 787  * wait in that case.
 788  */
 789 int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
 790 {
 791         struct drm_mode_object *obj;
 792         struct drm_crtc *crtc;
 793         struct radeon_crtc *radeon_crtc;
 794         struct radeon_cs_packet p3reloc, waitreloc;
 795         int crtc_id;
 796         int r;
 797         uint32_t header, h_idx, reg;
 798         volatile uint32_t *ib;
 799
 800         ib = p->ib->ptr;
 801
 802         /* parse the wait until */
 803         r = r100_cs_packet_parse(p, &waitreloc, p->idx);
 804         if (r)
 805                 return r;
 806
 807         /* check its a wait until and only 1 count */
 808         if (waitreloc.reg != RADEON_WAIT_UNTIL ||
 809             waitreloc.count != 0) {
 810                 DRM_ERROR("vline wait had illegal wait until segment\n");
 811                 r = -EINVAL;
 812                 return r;
 813         }
 814
 815         if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) {
 816                 DRM_ERROR("vline wait had illegal wait until\n");
 817                 r = -EINVAL;
 818                 return r;
 819         }
 820
 821         /* jump over the NOP */
 822         r = r100_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
 823         if (r)
 824                 return r;
 825
 826         h_idx = p->idx - 2;
 827         p->idx += waitreloc.count + 2;
 828         p->idx += p3reloc.count + 2;
 829
 830         header = radeon_get_ib_value(p, h_idx);
 831         crtc_id = radeon_get_ib_value(p, h_idx + 5);
 832         reg = CP_PACKET0_GET_REG(header);
 833         mutex_lock(&p->rdev->ddev->mode_config.mutex);
 834         obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
 835         if (!obj) {
 836                 DRM_ERROR("cannot find crtc %d\n", crtc_id);
 837                 r = -EINVAL;
 838                 goto out;
 839         }
 840         crtc = obj_to_crtc(obj);
 841         radeon_crtc = to_radeon_crtc(crtc);
 842         crtc_id = radeon_crtc->crtc_id;
 843
 844         if (!crtc->enabled) {
 845                 /* if the CRTC isn't enabled - we need to nop out the wait until */
 846                 ib[h_idx + 2] = PACKET2(0);
 847                 ib[h_idx + 3] = PACKET2(0);
 848         } else if (crtc_id == 1) {
 849                 switch (reg) {
 850                 case AVIVO_D1MODE_VLINE_START_END:
 851                         header &= ~R300_CP_PACKET0_REG_MASK;
 852                         header |= AVIVO_D2MODE_VLINE_START_END >> 2;
 853                         break;
 854                 case RADEON_CRTC_GUI_TRIG_VLINE:
 855                         header &= ~R300_CP_PACKET0_REG_MASK;
 856                         header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2;
 857                         break;
 858                 default:
 859                         DRM_ERROR("unknown crtc reloc\n");
 860                         r = -EINVAL;
 861                         goto out;
 862                 }
 863                 ib[h_idx] = header;
 864                 ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1;
 865         }
 866 out:
 867         mutex_unlock(&p->rdev->ddev->mode_config.mutex);
 868         return r;
 869 }
 870
 871 /**
 872  * r100_cs_packet_next_reloc() - parse next packet which should be reloc packet3
 873  * @parser:             parser structure holding parsing context.
 874  * @data:               pointer to relocation data
 875  * @offset_start:       starting offset
 876  * @offset_mask:        offset mask (to align start offset on)
 877  * @reloc:              reloc informations
 878  *
 879  * Check next packet is relocation packet3, do bo validation and compute
 880  * GPU offset using the provided start.
 881  **/
 882 int r100_cs_packet_next_reloc(struct radeon_cs_parser *p,
 883                               struct radeon_cs_reloc **cs_reloc)
 884 {
 885         struct radeon_cs_chunk *relocs_chunk;
 886         struct radeon_cs_packet p3reloc;
 887         unsigned idx;
 888         int r;
 889
 890         if (p->chunk_relocs_idx == -1) {
 891                 DRM_ERROR("No relocation chunk !\n");
 892                 return -EINVAL;
 893         }
 894         *cs_reloc = NULL;
 895         relocs_chunk = &p->chunks[p->chunk_relocs_idx];
 896         r = r100_cs_packet_parse(p, &p3reloc, p->idx);
 897         if (r) {
 898                 return r;
 899         }
 900         p->idx += p3reloc.count + 2;
 901         if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
 902                 DRM_ERROR("No packet3 for relocation for packet at %d.\n",
 903                           p3reloc.idx);
 904                 r100_cs_dump_packet(p, &p3reloc);
 905                 return -EINVAL;
 906         }
 907         idx = radeon_get_ib_value(p, p3reloc.idx + 1);
 908         if (idx >= relocs_chunk->length_dw) {
 909                 DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
 910                           idx, relocs_chunk->length_dw);
 911                 r100_cs_dump_packet(p, &p3reloc);
 912                 return -EINVAL;
 913         }
 914         /* FIXME: we assume reloc size is 4 dwords */
 915         *cs_reloc = p->relocs_ptr[(idx / 4)];
 916         return 0;
 917 }
 918
 919 static int r100_get_vtx_size(uint32_t vtx_fmt)
 920 {
 921         int vtx_size;
 922         vtx_size = 2;
 923         /* ordered according to bits in spec */
 924         if (vtx_fmt & RADEON_SE_VTX_FMT_W0)
 925                 vtx_size++;
 926         if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR)
 927                 vtx_size += 3;
 928         if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA)
 929                 vtx_size++;
 930         if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR)
 931                 vtx_size++;
 932         if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC)
 933                 vtx_size += 3;
 934         if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG)
 935                 vtx_size++;
 936         if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC)
 937                 vtx_size++;
 938         if (vtx_fmt & RADEON_SE_VTX_FMT_ST0)
 939                 vtx_size += 2;
 940         if (vtx_fmt & RADEON_SE_VTX_FMT_ST1)
 941                 vtx_size += 2;
 942         if (vtx_fmt & RADEON_SE_VTX_FMT_Q1)
 943                 vtx_size++;
 944         if (vtx_fmt & RADEON_SE_VTX_FMT_ST2)
 945                 vtx_size += 2;
 946         if (vtx_fmt & RADEON_SE_VTX_FMT_Q2)
 947                 vtx_size++;
 948         if (vtx_fmt & RADEON_SE_VTX_FMT_ST3)
 949                 vtx_size += 2;
 950         if (vtx_fmt & RADEON_SE_VTX_FMT_Q3)
 951                 vtx_size++;
 952         if (vtx_fmt & RADEON_SE_VTX_FMT_Q0)
 953                 vtx_size++;
 954         /* blend weight */
 955         if (vtx_fmt & (0x7 << 15))
 956                 vtx_size += (vtx_fmt >> 15) & 0x7;
 957         if (vtx_fmt & RADEON_SE_VTX_FMT_N0)
 958                 vtx_size += 3;
 959         if (vtx_fmt & RADEON_SE_VTX_FMT_XY1)
 960                 vtx_size += 2;
 961         if (vtx_fmt & RADEON_SE_VTX_FMT_Z1)
 962                 vtx_size++;
 963         if (vtx_fmt & RADEON_SE_VTX_FMT_W1)
 964                 vtx_size++;
 965         if (vtx_fmt & RADEON_SE_VTX_FMT_N1)
 966                 vtx_size++;
 967         if (vtx_fmt & RADEON_SE_VTX_FMT_Z)
 968                 vtx_size++;
 969         return vtx_size;
 970 }
 971
 972 static int r100_packet0_check(struct radeon_cs_parser *p,
 973                               struct radeon_cs_packet *pkt,
 974                               unsigned idx, unsigned reg)
 975 {
 976         struct radeon_cs_reloc *reloc;
 977         struct r100_cs_track *track;
 978         volatile uint32_t *ib;
 979         uint32_t tmp;
 980         int r;
 981         int i, face;
 982         u32 tile_flags = 0;
 983         u32 idx_value;
 984
 985         ib = p->ib->ptr;
 986         track = (struct r100_cs_track *)p->track;
 987
 988         idx_value = radeon_get_ib_value(p, idx);
 989
 990         switch (reg) {
 991         case RADEON_CRTC_GUI_TRIG_VLINE:
 992                 r = r100_cs_packet_parse_vline(p);
 993                 if (r) {
 994                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 995                                   idx, reg);
 996                         r100_cs_dump_packet(p, pkt);
 997                         return r;
 998                 }
 999                 break;
1000                 /* FIXME: only allow PACKET3 blit? easier to check for out of
1001                  * range access */
1002         case RADEON_DST_PITCH_OFFSET:
1003         case RADEON_SRC_PITCH_OFFSET:
1004                 r = r100_reloc_pitch_offset(p, pkt, idx, reg);
1005                 if (r)
1006                         return r;
1007                 break;
1008         case RADEON_RB3D_DEPTHOFFSET:
1009                 r = r100_cs_packet_next_reloc(p, &reloc);
1010                 if (r) {
1011                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1012                                   idx, reg);
1013                         r100_cs_dump_packet(p, pkt);
1014                         return r;
1015                 }
1016                 track->zb.robj = reloc->robj;
1017                 track->zb.offset = idx_value;
1018                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1019                 break;
1020         case RADEON_RB3D_COLOROFFSET:
1021                 r = r100_cs_packet_next_reloc(p, &reloc);
1022                 if (r) {
1023                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1024                                   idx, reg);
1025                         r100_cs_dump_packet(p, pkt);
1026                         return r;
1027                 }
1028                 track->cb[0].robj = reloc->robj;
1029                 track->cb[0].offset = idx_value;
1030                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1031                 break;
1032         case RADEON_PP_TXOFFSET_0:
1033         case RADEON_PP_TXOFFSET_1:
1034         case RADEON_PP_TXOFFSET_2:
1035                 i = (reg - RADEON_PP_TXOFFSET_0) / 24;
1036                 r = r100_cs_packet_next_reloc(p, &reloc);
1037                 if (r) {
1038                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1039                                   idx, reg);
1040                         r100_cs_dump_packet(p, pkt);
1041                         return r;
1042                 }
1043                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1044                 track->textures[i].robj = reloc->robj;
1045                 break;
1046         case RADEON_PP_CUBIC_OFFSET_T0_0:
1047         case RADEON_PP_CUBIC_OFFSET_T0_1:
1048         case RADEON_PP_CUBIC_OFFSET_T0_2:
1049         case RADEON_PP_CUBIC_OFFSET_T0_3:
1050         case RADEON_PP_CUBIC_OFFSET_T0_4:
1051                 i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4;
1052                 r = r100_cs_packet_next_reloc(p, &reloc);
1053                 if (r) {
1054                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1055                                   idx, reg);
1056                         r100_cs_dump_packet(p, pkt);
1057                         return r;
1058                 }
1059                 track->textures[0].cube_info[i].offset = idx_value;
1060                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1061                 track->textures[0].cube_info[i].robj = reloc->robj;
1062                 break;
1063         case RADEON_PP_CUBIC_OFFSET_T1_0:
1064         case RADEON_PP_CUBIC_OFFSET_T1_1:
1065         case RADEON_PP_CUBIC_OFFSET_T1_2:
1066         case RADEON_PP_CUBIC_OFFSET_T1_3:
1067         case RADEON_PP_CUBIC_OFFSET_T1_4:
1068                 i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4;
1069                 r = r100_cs_packet_next_reloc(p, &reloc);
1070                 if (r) {
1071                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1072                                   idx, reg);
1073                         r100_cs_dump_packet(p, pkt);
1074                         return r;
1075                 }
1076                 track->textures[1].cube_info[i].offset = idx_value;
1077                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1078                 track->textures[1].cube_info[i].robj = reloc->robj;
1079                 break;
1080         case RADEON_PP_CUBIC_OFFSET_T2_0:
1081         case RADEON_PP_CUBIC_OFFSET_T2_1:
1082         case RADEON_PP_CUBIC_OFFSET_T2_2:
1083         case RADEON_PP_CUBIC_OFFSET_T2_3:
1084         case RADEON_PP_CUBIC_OFFSET_T2_4:
1085                 i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4;
1086                 r = r100_cs_packet_next_reloc(p, &reloc);
1087                 if (r) {
1088                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1089                                   idx, reg);
1090                         r100_cs_dump_packet(p, pkt);
1091                         return r;
1092                 }
1093                 track->textures[2].cube_info[i].offset = idx_value;
1094                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1095                 track->textures[2].cube_info[i].robj = reloc->robj;
1096                 break;
1097         case RADEON_RE_WIDTH_HEIGHT:
1098                 track->maxy = ((idx_value >> 16) & 0x7FF);
1099                 break;
1100         case RADEON_RB3D_COLORPITCH:
1101                 r = r100_cs_packet_next_reloc(p, &reloc);
1102                 if (r) {
1103                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1104                                   idx, reg);
1105                         r100_cs_dump_packet(p, pkt);
1106                         return r;
1107                 }
1108
1109                 if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
1110                         tile_flags |= RADEON_COLOR_TILE_ENABLE;
1111                 if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
1112                         tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
1113
1114                 tmp = idx_value & ~(0x7 << 16);
1115                 tmp |= tile_flags;
1116                 ib[idx] = tmp;
1117
1118                 track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
1119                 break;
1120         case RADEON_RB3D_DEPTHPITCH:
1121                 track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
1122                 break;
1123         case RADEON_RB3D_CNTL:
1124                 switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
1125                 case 7:
1126                 case 8:
1127                 case 9:
1128                 case 11:
1129                 case 12:
1130                         track->cb[0].cpp = 1;
1131                         break;
1132                 case 3:
1133                 case 4:
1134                 case 15:
1135                         track->cb[0].cpp = 2;
1136                         break;
1137                 case 6:
1138                         track->cb[0].cpp = 4;
1139                         break;
1140                 default:
1141                         DRM_ERROR("Invalid color buffer format (%d) !\n",
1142                                   ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
1143                         return -EINVAL;
1144                 }
1145                 track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
1146                 break;
1147         case RADEON_RB3D_ZSTENCILCNTL:
1148                 switch (idx_value & 0xf) {
1149                 case 0:
1150                         track->zb.cpp = 2;
1151                         break;
1152                 case 2:
1153                 case 3:
1154                 case 4:
1155                 case 5:
1156                 case 9:
1157                 case 11:
1158                         track->zb.cpp = 4;
1159                         break;
1160                 default:
1161                         break;
1162                 }
1163                 break;
1164         case RADEON_RB3D_ZPASS_ADDR:
1165                 r = r100_cs_packet_next_reloc(p, &reloc);
1166                 if (r) {
1167                         DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1168                                   idx, reg);
1169                         r100_cs_dump_packet(p, pkt);
1170                         return r;
1171                 }
1172                 ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1173                 break;
1174         case RADEON_PP_CNTL:
1175                 {
1176                         uint32_t temp = idx_value >> 4;
1177                         for (i = 0; i < track->num_texture; i++)
1178                                 track->textures[i].enabled = !!(temp & (1 << i));
1179                 }
1180                 break;
1181         case RADEON_SE_VF_CNTL:
1182                 track->vap_vf_cntl = idx_value;
1183                 break;
1184         case RADEON_SE_VTX_FMT:
1185                 track->vtx_size = r100_get_vtx_size(idx_value);
1186                 break;
1187         case RADEON_PP_TEX_SIZE_0:
1188         case RADEON_PP_TEX_SIZE_1:
1189         case RADEON_PP_TEX_SIZE_2:
1190                 i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
1191                 track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
1192                 track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
1193                 break;
1194         case RADEON_PP_TEX_PITCH_0:
1195         case RADEON_PP_TEX_PITCH_1:
1196         case RADEON_PP_TEX_PITCH_2:
1197                 i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
1198                 track->textures[i].pitch = idx_value + 32;
1199                 break;
1200         case RADEON_PP_TXFILTER_0:
1201         case RADEON_PP_TXFILTER_1:
1202         case RADEON_PP_TXFILTER_2:
1203                 i = (reg - RADEON_PP_TXFILTER_0) / 24;
1204                 track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK)
1205                                                  >> RADEON_MAX_MIP_LEVEL_SHIFT);
1206                 tmp = (idx_value >> 23) & 0x7;
1207                 if (tmp == 2 || tmp == 6)
1208                         track->textures[i].roundup_w = false;
1209                 tmp = (idx_value >> 27) & 0x7;
1210                 if (tmp == 2 || tmp == 6)
1211                         track->textures[i].roundup_h = false;
1212                 break;
1213         case RADEON_PP_TXFORMAT_0:
1214         case RADEON_PP_TXFORMAT_1:
1215         case RADEON_PP_TXFORMAT_2:
1216                 i = (reg - RADEON_PP_TXFORMAT_0) / 24;
1217                 if (idx_value & RADEON_TXFORMAT_NON_POWER2) {
1218                         track->textures[i].use_pitch = 1;
1219                 } else {
1220                         track->textures[i].use_pitch = 0;
1221                         track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
1222                         track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
1223                 }
1224                 if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
1225                         track->textures[i].tex_coord_type = 2;
1226                 switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
1227                 case RADEON_TXFORMAT_I8:
1228                 case RADEON_TXFORMAT_RGB332:
1229                 case RADEON_TXFORMAT_Y8:
1230                         track->textures[i].cpp = 1;
1231                         break;
1232                 case RADEON_TXFORMAT_AI88:
1233                 case RADEON_TXFORMAT_ARGB1555:
1234                 case RADEON_TXFORMAT_RGB565:
1235                 case RADEON_TXFORMAT_ARGB4444:
1236                 case RADEON_TXFORMAT_VYUY422:
1237                 case RADEON_TXFORMAT_YVYU422:
1238                 case RADEON_TXFORMAT_DXT1:
1239                 case RADEON_TXFORMAT_SHADOW16:
1240                 case RADEON_TXFORMAT_LDUDV655:
1241                 case RADEON_TXFORMAT_DUDV88:
1242                         track->textures[i].cpp = 2;
1243                         break;
1244                 case RADEON_TXFORMAT_ARGB8888:
1245                 case RADEON_TXFORMAT_RGBA8888:
1246                 case RADEON_TXFORMAT_DXT23:
1247                 case RADEON_TXFORMAT_DXT45:
1248                 case RADEON_TXFORMAT_SHADOW32:
1249                 case RADEON_TXFORMAT_LDUDUV8888:
1250                         track->textures[i].cpp = 4;
1251                         break;
1252                 }
1253                 track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
1254                 track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
1255                 break;
1256         case RADEON_PP_CUBIC_FACES_0:
1257         case RADEON_PP_CUBIC_FACES_1:
1258         case RADEON_PP_CUBIC_FACES_2:
1259                 tmp = idx_value;
1260                 i = (reg - RADEON_PP_CUBIC_FACES_0) / 4;
1261                 for (face = 0; face < 4; face++) {
1262                         track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
1263                         track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
1264                 }
1265                 break;
1266         default:
1267                 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
1268                        reg, idx);
1269                 return -EINVAL;
1270         }
1271         return 0;
1272 }
1273
1274 int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
1275                                          struct radeon_cs_packet *pkt,
1276                                          struct radeon_object *robj)
1277 {
1278         unsigned idx;
1279         u32 value;
1280         idx = pkt->idx + 1;
1281         value = radeon_get_ib_value(p, idx + 2);
1282         if ((value + 1) > radeon_object_size(robj)) {
1283                 DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
1284                           "(need %u have %lu) !\n",
1285                           value + 1,
1286                           radeon_object_size(robj));
1287                 return -EINVAL;
1288         }
1289         return 0;
1290 }
1291
1292 static int r100_packet3_check(struct radeon_cs_parser *p,
1293                               struct radeon_cs_packet *pkt)
1294 {
1295         struct radeon_cs_reloc *reloc;
1296         struct r100_cs_track *track;
1297         unsigned idx;
1298         volatile uint32_t *ib;
1299         int r;
1300
1301         ib = p->ib->ptr;
1302         idx = pkt->idx + 1;
1303         track = (struct r100_cs_track *)p->track;
1304         switch (pkt->opcode) {
1305         case PACKET3_3D_LOAD_VBPNTR:
1306                 r = r100_packet3_load_vbpntr(p, pkt, idx);
1307                 if (r)
1308                         return r;
1309                 break;
1310         case PACKET3_INDX_BUFFER:
1311                 r = r100_cs_packet_next_reloc(p, &reloc);
1312                 if (r) {
1313                         DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1314                         r100_cs_dump_packet(p, pkt);
1315                         return r;
1316                 }
1317                 ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->lobj.gpu_offset);
1318                 r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1319                 if (r) {
1320                         return r;
1321                 }
1322                 break;
1323         case 0x23:
1324                 /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
1325                 r = r100_cs_packet_next_reloc(p, &reloc);
1326                 if (r) {
1327                         DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1328                         r100_cs_dump_packet(p, pkt);
1329                         return r;
1330                 }
1331                 ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->lobj.gpu_offset);
1332                 track->num_arrays = 1;
1333                 track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
1334
1335                 track->arrays[0].robj = reloc->robj;
1336                 track->arrays[0].esize = track->vtx_size;
1337
1338                 track->max_indx = radeon_get_ib_value(p, idx+1);
1339
1340                 track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
1341                 track->immd_dwords = pkt->count - 1;
1342                 r = r100_cs_track_check(p->rdev, track);
1343                 if (r)
1344                         return r;
1345                 break;
1346         case PACKET3_3D_DRAW_IMMD:
1347                 if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1348                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1349                         return -EINVAL;
1350                 }
1351                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1352                 track->immd_dwords = pkt->count - 1;
1353                 r = r100_cs_track_check(p->rdev, track);
1354                 if (r)
1355                         return r;
1356                 break;
1357                 /* triggers drawing using in-packet vertex data */
1358         case PACKET3_3D_DRAW_IMMD_2:
1359                 if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1360                         DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1361                         return -EINVAL;
1362                 }
1363                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1364                 track->immd_dwords = pkt->count;
1365                 r = r100_cs_track_check(p->rdev, track);
1366                 if (r)
1367                         return r;
1368                 break;
1369                 /* triggers drawing using in-packet vertex data */
1370         case PACKET3_3D_DRAW_VBUF_2:
1371                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1372                 r = r100_cs_track_check(p->rdev, track);
1373                 if (r)
1374                         return r;
1375                 break;
1376                 /* triggers drawing of vertex buffers setup elsewhere */
1377         case PACKET3_3D_DRAW_INDX_2:
1378                 track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1379                 r = r100_cs_track_check(p->rdev, track);
1380                 if (r)
1381                         return r;
1382                 break;
1383                 /* triggers drawing using indices to vertex buffer */
1384         case PACKET3_3D_DRAW_VBUF:
1385                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1386                 r = r100_cs_track_check(p->rdev, track);
1387                 if (r)
1388                         return r;
1389                 break;
1390                 /* triggers drawing of vertex buffers setup elsewhere */
1391         case PACKET3_3D_DRAW_INDX:
1392                 track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1393                 r = r100_cs_track_check(p->rdev, track);
1394                 if (r)
1395                         return r;
1396                 break;
1397                 /* triggers drawing using indices to vertex buffer */
1398         case PACKET3_NOP:
1399                 break;
1400         default:
1401                 DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1402                 return -EINVAL;
1403         }
1404         return 0;
1405 }
1406
1407 int r100_cs_parse(struct radeon_cs_parser *p)
1408 {
1409         struct radeon_cs_packet pkt;
1410         struct r100_cs_track *track;
1411         int r;
1412
1413         track = kzalloc(sizeof(*track), GFP_KERNEL);
1414         r100_cs_track_clear(p->rdev, track);
1415         p->track = track;
1416         do {
1417                 r = r100_cs_packet_parse(p, &pkt, p->idx);
1418                 if (r) {
1419                         return r;
1420                 }
1421                 p->idx += pkt.count + 2;
1422                 switch (pkt.type) {
1423                         case PACKET_TYPE0:
1424                                 if (p->rdev->family >= CHIP_R200)
1425                                         r = r100_cs_parse_packet0(p, &pkt,
1426                                                                   p->rdev->config.r100.reg_safe_bm,
1427                                                                   p->rdev->config.r100.reg_safe_bm_size,
1428                                                                   &r200_packet0_check);
1429                                 else
1430                                         r = r100_cs_parse_packet0(p, &pkt,
1431                                                                   p->rdev->config.r100.reg_safe_bm,
1432                                                                   p->rdev->config.r100.reg_safe_bm_size,
1433                                                                   &r100_packet0_check);
1434                                 break;
1435                         case PACKET_TYPE2:
1436                                 break;
1437                         case PACKET_TYPE3:
1438                                 r = r100_packet3_check(p, &pkt);
1439                                 break;
1440                         default:
1441                                 DRM_ERROR("Unknown packet type %d !\n",
1442                                           pkt.type);
1443                                 return -EINVAL;
1444                 }
1445                 if (r) {
1446                         return r;
1447                 }
1448         } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
1449         return 0;
1450 }
1451
1452
1453 /*
1454  * Global GPU functions
1455  */
1456 void r100_errata(struct radeon_device *rdev)
1457 {
1458         rdev->pll_errata = 0;
1459
1460         if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
1461                 rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
1462         }
1463
1464         if (rdev->family == CHIP_RV100 ||
1465             rdev->family == CHIP_RS100 ||
1466             rdev->family == CHIP_RS200) {
1467                 rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
1468         }
1469 }
1470
1471 /* Wait for vertical sync on primary CRTC */
1472 void r100_gpu_wait_for_vsync(struct radeon_device *rdev)
1473 {
1474         uint32_t crtc_gen_cntl, tmp;
1475         int i;
1476
1477         crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL);
1478         if ((crtc_gen_cntl & RADEON_CRTC_DISP_REQ_EN_B) ||
1479             !(crtc_gen_cntl & RADEON_CRTC_EN)) {
1480                 return;
1481         }
1482         /* Clear the CRTC_VBLANK_SAVE bit */
1483         WREG32(RADEON_CRTC_STATUS, RADEON_CRTC_VBLANK_SAVE_CLEAR);
1484         for (i = 0; i < rdev->usec_timeout; i++) {
1485                 tmp = RREG32(RADEON_CRTC_STATUS);
1486                 if (tmp & RADEON_CRTC_VBLANK_SAVE) {
1487                         return;
1488                 }
1489                 DRM_UDELAY(1);
1490         }
1491 }
1492
1493 /* Wait for vertical sync on secondary CRTC */
1494 void r100_gpu_wait_for_vsync2(struct radeon_device *rdev)
1495 {
1496         uint32_t crtc2_gen_cntl, tmp;
1497         int i;
1498
1499         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1500         if ((crtc2_gen_cntl & RADEON_CRTC2_DISP_REQ_EN_B) ||
1501             !(crtc2_gen_cntl & RADEON_CRTC2_EN))
1502                 return;
1503
1504         /* Clear the CRTC_VBLANK_SAVE bit */
1505         WREG32(RADEON_CRTC2_STATUS, RADEON_CRTC2_VBLANK_SAVE_CLEAR);
1506         for (i = 0; i < rdev->usec_timeout; i++) {
1507                 tmp = RREG32(RADEON_CRTC2_STATUS);
1508                 if (tmp & RADEON_CRTC2_VBLANK_SAVE) {
1509                         return;
1510                 }
1511                 DRM_UDELAY(1);
1512         }
1513 }
1514
1515 int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
1516 {
1517         unsigned i;
1518         uint32_t tmp;
1519
1520         for (i = 0; i < rdev->usec_timeout; i++) {
1521                 tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
1522                 if (tmp >= n) {
1523                         return 0;
1524                 }
1525                 DRM_UDELAY(1);
1526         }
1527         return -1;
1528 }
1529
1530 int r100_gui_wait_for_idle(struct radeon_device *rdev)
1531 {
1532         unsigned i;
1533         uint32_t tmp;
1534
1535         if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
1536                 printk(KERN_WARNING "radeon: wait for empty RBBM fifo failed !"
1537                        " Bad things might happen.\n");
1538         }
1539         for (i = 0; i < rdev->usec_timeout; i++) {
1540                 tmp = RREG32(RADEON_RBBM_STATUS);
1541                 if (!(tmp & (1 << 31))) {
1542                         return 0;
1543                 }
1544                 DRM_UDELAY(1);
1545         }
1546         return -1;
1547 }
1548
1549 int r100_mc_wait_for_idle(struct radeon_device *rdev)
1550 {
1551         unsigned i;
1552         uint32_t tmp;
1553
1554         for (i = 0; i < rdev->usec_timeout; i++) {
1555                 /* read MC_STATUS */
1556                 tmp = RREG32(0x0150);
1557                 if (tmp & (1 << 2)) {
1558                         return 0;
1559                 }
1560                 DRM_UDELAY(1);
1561         }
1562         return -1;
1563 }
1564
1565 void r100_gpu_init(struct radeon_device *rdev)
1566 {
1567         /* TODO: anythings to do here ? pipes ? */
1568         r100_hdp_reset(rdev);
1569 }
1570
1571 void r100_hdp_reset(struct radeon_device *rdev)
1572 {
1573         uint32_t tmp;
1574
1575         tmp = RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL;
1576         tmp |= (7 << 28);
1577         WREG32(RADEON_HOST_PATH_CNTL, tmp | RADEON_HDP_SOFT_RESET | RADEON_HDP_READ_BUFFER_INVALIDATE);
1578         (void)RREG32(RADEON_HOST_PATH_CNTL);
1579         udelay(200);
1580         WREG32(RADEON_RBBM_SOFT_RESET, 0);
1581         WREG32(RADEON_HOST_PATH_CNTL, tmp);
1582         (void)RREG32(RADEON_HOST_PATH_CNTL);
1583 }
1584
1585 int r100_rb2d_reset(struct radeon_device *rdev)
1586 {
1587         uint32_t tmp;
1588         int i;
1589
1590         WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_E2);
1591         (void)RREG32(RADEON_RBBM_SOFT_RESET);
1592         udelay(200);
1593         WREG32(RADEON_RBBM_SOFT_RESET, 0);
1594         /* Wait to prevent race in RBBM_STATUS */
1595         mdelay(1);
1596         for (i = 0; i < rdev->usec_timeout; i++) {
1597                 tmp = RREG32(RADEON_RBBM_STATUS);
1598                 if (!(tmp & (1 << 26))) {
1599                         DRM_INFO("RB2D reset succeed (RBBM_STATUS=0x%08X)\n",
1600                                  tmp);
1601                         return 0;
1602                 }
1603                 DRM_UDELAY(1);
1604         }
1605         tmp = RREG32(RADEON_RBBM_STATUS);
1606         DRM_ERROR("Failed to reset RB2D (RBBM_STATUS=0x%08X)!\n", tmp);
1607         return -1;
1608 }
1609
1610 int r100_gpu_reset(struct radeon_device *rdev)
1611 {
1612         uint32_t status;
1613
1614         /* reset order likely matter */
1615         status = RREG32(RADEON_RBBM_STATUS);
1616         /* reset HDP */
1617         r100_hdp_reset(rdev);
1618         /* reset rb2d */
1619         if (status & ((1 << 17) | (1 << 18) | (1 << 27))) {
1620                 r100_rb2d_reset(rdev);
1621         }
1622         /* TODO: reset 3D engine */
1623         /* reset CP */
1624         status = RREG32(RADEON_RBBM_STATUS);
1625         if (status & (1 << 16)) {
1626                 r100_cp_reset(rdev);
1627         }
1628         /* Check if GPU is idle */
1629         status = RREG32(RADEON_RBBM_STATUS);
1630         if (status & (1 << 31)) {
1631                 DRM_ERROR("Failed to reset GPU (RBBM_STATUS=0x%08X)\n", status);
1632                 return -1;
1633         }
1634         DRM_INFO("GPU reset succeed (RBBM_STATUS=0x%08X)\n", status);
1635         return 0;
1636 }
1637
1638
1639 /*
1640  * VRAM info
1641  */
1642 static void r100_vram_get_type(struct radeon_device *rdev)
1643 {
1644         uint32_t tmp;
1645
1646         rdev->mc.vram_is_ddr = false;
1647         if (rdev->flags & RADEON_IS_IGP)
1648                 rdev->mc.vram_is_ddr = true;
1649         else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
1650                 rdev->mc.vram_is_ddr = true;
1651         if ((rdev->family == CHIP_RV100) ||
1652             (rdev->family == CHIP_RS100) ||
1653             (rdev->family == CHIP_RS200)) {
1654                 tmp = RREG32(RADEON_MEM_CNTL);
1655                 if (tmp & RV100_HALF_MODE) {
1656                         rdev->mc.vram_width = 32;
1657                 } else {
1658                         rdev->mc.vram_width = 64;
1659                 }
1660                 if (rdev->flags & RADEON_SINGLE_CRTC) {
1661                         rdev->mc.vram_width /= 4;
1662                         rdev->mc.vram_is_ddr = true;
1663                 }
1664         } else if (rdev->family <= CHIP_RV280) {
1665                 tmp = RREG32(RADEON_MEM_CNTL);
1666                 if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
1667                         rdev->mc.vram_width = 128;
1668                 } else {
1669                         rdev->mc.vram_width = 64;
1670                 }
1671         } else {
1672                 /* newer IGPs */
1673                 rdev->mc.vram_width = 128;
1674         }
1675 }
1676
1677 static u32 r100_get_accessible_vram(struct radeon_device *rdev)
1678 {
1679         u32 aper_size;
1680         u8 byte;
1681
1682         aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
1683
1684         /* Set HDP_APER_CNTL only on cards that are known not to be broken,
1685          * that is has the 2nd generation multifunction PCI interface
1686          */
1687         if (rdev->family == CHIP_RV280 ||
1688             rdev->family >= CHIP_RV350) {
1689                 WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
1690                        ~RADEON_HDP_APER_CNTL);
1691                 DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
1692                 return aper_size * 2;
1693         }
1694
1695         /* Older cards have all sorts of funny issues to deal with. First
1696          * check if it's a multifunction card by reading the PCI config
1697          * header type... Limit those to one aperture size
1698          */
1699         pci_read_config_byte(rdev->pdev, 0xe, &byte);
1700         if (byte & 0x80) {
1701                 DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
1702                 DRM_INFO("Limiting VRAM to one aperture\n");
1703                 return aper_size;
1704         }
1705
1706         /* Single function older card. We read HDP_APER_CNTL to see how the BIOS
1707          * have set it up. We don't write this as it's broken on some ASICs but
1708          * we expect the BIOS to have done the right thing (might be too optimistic...)
1709          */
1710         if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
1711                 return aper_size * 2;
1712         return aper_size;
1713 }
1714
1715 void r100_vram_init_sizes(struct radeon_device *rdev)
1716 {
1717         u64 config_aper_size;
1718         u32 accessible;
1719
1720         config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
1721
1722         if (rdev->flags & RADEON_IS_IGP) {
1723                 uint32_t tom;
1724                 /* read NB_TOM to get the amount of ram stolen for the GPU */
1725                 tom = RREG32(RADEON_NB_TOM);
1726                 rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
1727                 /* for IGPs we need to keep VRAM where it was put by the BIOS */
1728                 rdev->mc.vram_location = (tom & 0xffff) << 16;
1729                 WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
1730                 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
1731         } else {
1732                 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
1733                 /* Some production boards of m6 will report 0
1734                  * if it's 8 MB
1735                  */
1736                 if (rdev->mc.real_vram_size == 0) {
1737                         rdev->mc.real_vram_size = 8192 * 1024;
1738                         WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
1739                 }
1740                 /* let driver place VRAM */
1741                 rdev->mc.vram_location = 0xFFFFFFFFUL;
1742                  /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
1743                   * Novell bug 204882 + along with lots of ubuntu ones */
1744                 if (config_aper_size > rdev->mc.real_vram_size)
1745                         rdev->mc.mc_vram_size = config_aper_size;
1746                 else
1747                         rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
1748         }
1749
1750         /* work out accessible VRAM */
1751         accessible = r100_get_accessible_vram(rdev);
1752
1753         rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
1754         rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
1755
1756         if (accessible > rdev->mc.aper_size)
1757                 accessible = rdev->mc.aper_size;
1758
1759         if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
1760                 rdev->mc.mc_vram_size = rdev->mc.aper_size;
1761
1762         if (rdev->mc.real_vram_size > rdev->mc.aper_size)
1763                 rdev->mc.real_vram_size = rdev->mc.aper_size;
1764 }
1765
1766 void r100_vga_set_state(struct radeon_device *rdev, bool state)
1767 {
1768         uint32_t temp;
1769
1770         temp = RREG32(RADEON_CONFIG_CNTL);
1771         if (state == false) {
1772                 temp &= ~(1<<8);
1773                 temp |= (1<<9);
1774         } else {
1775                 temp &= ~(1<<9);
1776         }
1777         WREG32(RADEON_CONFIG_CNTL, temp);
1778 }
1779
1780 void r100_vram_info(struct radeon_device *rdev)
1781 {
1782         r100_vram_get_type(rdev);
1783
1784         r100_vram_init_sizes(rdev);
1785 }
1786
1787
1788 /*
1789  * Indirect registers accessor
1790  */
1791 void r100_pll_errata_after_index(struct radeon_device *rdev)
1792 {
1793         if (!(rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS)) {
1794                 return;
1795         }
1796         (void)RREG32(RADEON_CLOCK_CNTL_DATA);
1797         (void)RREG32(RADEON_CRTC_GEN_CNTL);
1798 }
1799
1800 static void r100_pll_errata_after_data(struct radeon_device *rdev)
1801 {
1802         /* This workarounds is necessary on RV100, RS100 and RS200 chips
1803          * or the chip could hang on a subsequent access
1804          */
1805         if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
1806                 udelay(5000);
1807         }
1808
1809         /* This function is required to workaround a hardware bug in some (all?)
1810          * revisions of the R300.  This workaround should be called after every
1811          * CLOCK_CNTL_INDEX register access.  If not, register reads afterward
1812          * may not be correct.
1813          */
1814         if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
1815                 uint32_t save, tmp;
1816
1817                 save = RREG32(RADEON_CLOCK_CNTL_INDEX);
1818                 tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
1819                 WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
1820                 tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
1821                 WREG32(RADEON_CLOCK_CNTL_INDEX, save);
1822         }
1823 }
1824
1825 uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
1826 {
1827         uint32_t data;
1828
1829         WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
1830         r100_pll_errata_after_index(rdev);
1831         data = RREG32(RADEON_CLOCK_CNTL_DATA);
1832         r100_pll_errata_after_data(rdev);
1833         return data;
1834 }
1835
1836 void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
1837 {
1838         WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
1839         r100_pll_errata_after_index(rdev);
1840         WREG32(RADEON_CLOCK_CNTL_DATA, v);
1841         r100_pll_errata_after_data(rdev);
1842 }
1843
1844 void r100_set_safe_registers(struct radeon_device *rdev)
1845 {
1846         if (ASIC_IS_RN50(rdev)) {
1847                 rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
1848                 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
1849         } else if (rdev->family < CHIP_R200) {
1850                 rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
1851                 rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
1852         } else {
1853                 r200_set_safe_registers(rdev);
1854         }
1855 }
1856
1857 /*
1858  * Debugfs info
1859  */
1860 #if defined(CONFIG_DEBUG_FS)
1861 static int r100_debugfs_rbbm_info(struct seq_file *m, void *data)
1862 {
1863         struct drm_info_node *node = (struct drm_info_node *) m->private;
1864         struct drm_device *dev = node->minor->dev;
1865         struct radeon_device *rdev = dev->dev_private;
1866         uint32_t reg, value;
1867         unsigned i;
1868
1869         seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
1870         seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
1871         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
1872         for (i = 0; i < 64; i++) {
1873                 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
1874                 reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
1875                 WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
1876                 value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
1877                 seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
1878         }
1879         return 0;
1880 }
1881
1882 static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
1883 {
1884         struct drm_info_node *node = (struct drm_info_node *) m->private;
1885         struct drm_device *dev = node->minor->dev;
1886         struct radeon_device *rdev = dev->dev_private;
1887         uint32_t rdp, wdp;
1888         unsigned count, i, j;
1889
1890         radeon_ring_free_size(rdev);
1891         rdp = RREG32(RADEON_CP_RB_RPTR);
1892         wdp = RREG32(RADEON_CP_RB_WPTR);
1893         count = (rdp + rdev->cp.ring_size - wdp) & rdev->cp.ptr_mask;
1894         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
1895         seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
1896         seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
1897         seq_printf(m, "%u free dwords in ring\n", rdev->cp.ring_free_dw);
1898         seq_printf(m, "%u dwords in ring\n", count);
1899         for (j = 0; j <= count; j++) {
1900                 i = (rdp + j) & rdev->cp.ptr_mask;
1901                 seq_printf(m, "r[%04d]=0x%08x\n", i, rdev->cp.ring[i]);
1902         }
1903         return 0;
1904 }
1905
1906
1907 static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data)
1908 {
1909         struct drm_info_node *node = (struct drm_info_node *) m->private;
1910         struct drm_device *dev = node->minor->dev;
1911         struct radeon_device *rdev = dev->dev_private;
1912         uint32_t csq_stat, csq2_stat, tmp;
1913         unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
1914         unsigned i;
1915
1916         seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
1917         seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
1918         csq_stat = RREG32(RADEON_CP_CSQ_STAT);
1919         csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
1920         r_rptr = (csq_stat >> 0) & 0x3ff;
1921         r_wptr = (csq_stat >> 10) & 0x3ff;
1922         ib1_rptr = (csq_stat >> 20) & 0x3ff;
1923         ib1_wptr = (csq2_stat >> 0) & 0x3ff;
1924         ib2_rptr = (csq2_stat >> 10) & 0x3ff;
1925         ib2_wptr = (csq2_stat >> 20) & 0x3ff;
1926         seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
1927         seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
1928         seq_printf(m, "Ring rptr %u\n", r_rptr);
1929         seq_printf(m, "Ring wptr %u\n", r_wptr);
1930         seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
1931         seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
1932         seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
1933         seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
1934         /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
1935          * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
1936         seq_printf(m, "Ring fifo:\n");
1937         for (i = 0; i < 256; i++) {
1938                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
1939                 tmp = RREG32(RADEON_CP_CSQ_DATA);
1940                 seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
1941         }
1942         seq_printf(m, "Indirect1 fifo:\n");
1943         for (i = 256; i <= 512; i++) {
1944                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
1945                 tmp = RREG32(RADEON_CP_CSQ_DATA);
1946                 seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
1947         }
1948         seq_printf(m, "Indirect2 fifo:\n");
1949         for (i = 640; i < ib1_wptr; i++) {
1950                 WREG32(RADEON_CP_CSQ_ADDR, i << 2);
1951                 tmp = RREG32(RADEON_CP_CSQ_DATA);
1952                 seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
1953         }
1954         return 0;
1955 }
1956
1957 static int r100_debugfs_mc_info(struct seq_file *m, void *data)
1958 {
1959         struct drm_info_node *node = (struct drm_info_node *) m->private;
1960         struct drm_device *dev = node->minor->dev;
1961         struct radeon_device *rdev = dev->dev_private;
1962         uint32_t tmp;
1963
1964         tmp = RREG32(RADEON_CONFIG_MEMSIZE);
1965         seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
1966         tmp = RREG32(RADEON_MC_FB_LOCATION);
1967         seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
1968         tmp = RREG32(RADEON_BUS_CNTL);
1969         seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
1970         tmp = RREG32(RADEON_MC_AGP_LOCATION);
1971         seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
1972         tmp = RREG32(RADEON_AGP_BASE);
1973         seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
1974         tmp = RREG32(RADEON_HOST_PATH_CNTL);
1975         seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
1976         tmp = RREG32(0x01D0);
1977         seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
1978         tmp = RREG32(RADEON_AIC_LO_ADDR);
1979         seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
1980         tmp = RREG32(RADEON_AIC_HI_ADDR);
1981         seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
1982         tmp = RREG32(0x01E4);
1983         seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
1984         return 0;
1985 }
1986
1987 static struct drm_info_list r100_debugfs_rbbm_list[] = {
1988         {"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL},
1989 };
1990
1991 static struct drm_info_list r100_debugfs_cp_list[] = {
1992         {"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL},
1993         {"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL},
1994 };
1995
1996 static struct drm_info_list r100_debugfs_mc_info_list[] = {
1997         {"r100_mc_info", r100_debugfs_mc_info, 0, NULL},
1998 };
1999 #endif
2000
2001 int r100_debugfs_rbbm_init(struct radeon_device *rdev)
2002 {
2003 #if defined(CONFIG_DEBUG_FS)
2004         return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1);
2005 #else
2006         return 0;
2007 #endif
2008 }
2009
2010 int r100_debugfs_cp_init(struct radeon_device *rdev)
2011 {
2012 #if defined(CONFIG_DEBUG_FS)
2013         return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2);
2014 #else
2015         return 0;
2016 #endif
2017 }
2018
2019 int r100_debugfs_mc_info_init(struct radeon_device *rdev)
2020 {
2021 #if defined(CONFIG_DEBUG_FS)
2022         return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1);
2023 #else
2024         return 0;
2025 #endif
2026 }
2027
2028 int r100_set_surface_reg(struct radeon_device *rdev, int reg,
2029                          uint32_t tiling_flags, uint32_t pitch,
2030                          uint32_t offset, uint32_t obj_size)
2031 {
2032         int surf_index = reg * 16;
2033         int flags = 0;
2034
2035         /* r100/r200 divide by 16 */
2036         if (rdev->family < CHIP_R300)
2037                 flags = pitch / 16;
2038         else
2039                 flags = pitch / 8;
2040
2041         if (rdev->family <= CHIP_RS200) {
2042                 if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
2043                                  == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
2044                         flags |= RADEON_SURF_TILE_COLOR_BOTH;
2045                 if (tiling_flags & RADEON_TILING_MACRO)
2046                         flags |= RADEON_SURF_TILE_COLOR_MACRO;
2047         } else if (rdev->family <= CHIP_RV280) {
2048                 if (tiling_flags & (RADEON_TILING_MACRO))
2049                         flags |= R200_SURF_TILE_COLOR_MACRO;
2050                 if (tiling_flags & RADEON_TILING_MICRO)
2051                         flags |= R200_SURF_TILE_COLOR_MICRO;
2052         } else {
2053                 if (tiling_flags & RADEON_TILING_MACRO)
2054                         flags |= R300_SURF_TILE_MACRO;
2055                 if (tiling_flags & RADEON_TILING_MICRO)
2056                         flags |= R300_SURF_TILE_MICRO;
2057         }
2058
2059         if (tiling_flags & RADEON_TILING_SWAP_16BIT)
2060                 flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
2061         if (tiling_flags & RADEON_TILING_SWAP_32BIT)
2062                 flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;
2063
2064         DRM_DEBUG("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
2065         WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
2066         WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
2067         WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
2068         return 0;
2069 }
2070
2071 void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
2072 {
2073         int surf_index = reg * 16;
2074         WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
2075 }
2076
2077 void r100_bandwidth_update(struct radeon_device *rdev)
2078 {
2079         fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
2080         fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
2081         fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
2082         uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
2083         fixed20_12 memtcas_ff[8] = {
2084                 fixed_init(1),
2085                 fixed_init(2),
2086                 fixed_init(3),
2087                 fixed_init(0),
2088                 fixed_init_half(1),
2089                 fixed_init_half(2),
2090                 fixed_init(0),
2091         };
2092         fixed20_12 memtcas_rs480_ff[8] = {
2093                 fixed_init(0),
2094                 fixed_init(1),
2095                 fixed_init(2),
2096                 fixed_init(3),
2097                 fixed_init(0),
2098                 fixed_init_half(1),
2099                 fixed_init_half(2),
2100                 fixed_init_half(3),
2101         };
2102         fixed20_12 memtcas2_ff[8] = {
2103                 fixed_init(0),
2104                 fixed_init(1),
2105                 fixed_init(2),
2106                 fixed_init(3),
2107                 fixed_init(4),
2108                 fixed_init(5),
2109                 fixed_init(6),
2110                 fixed_init(7),
2111         };
2112         fixed20_12 memtrbs[8] = {
2113                 fixed_init(1),
2114                 fixed_init_half(1),
2115                 fixed_init(2),
2116                 fixed_init_half(2),
2117                 fixed_init(3),
2118                 fixed_init_half(3),
2119                 fixed_init(4),
2120                 fixed_init_half(4)
2121         };
2122         fixed20_12 memtrbs_r4xx[8] = {
2123                 fixed_init(4),
2124                 fixed_init(5),
2125                 fixed_init(6),
2126                 fixed_init(7),
2127                 fixed_init(8),
2128                 fixed_init(9),
2129                 fixed_init(10),
2130                 fixed_init(11)
2131         };
2132         fixed20_12 min_mem_eff;
2133         fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
2134         fixed20_12 cur_latency_mclk, cur_latency_sclk;
2135         fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate,
2136                 disp_drain_rate2, read_return_rate;
2137         fixed20_12 time_disp1_drop_priority;
2138         int c;
2139         int cur_size = 16;       /* in octawords */
2140         int critical_point = 0, critical_point2;
2141 /*      uint32_t read_return_rate, time_disp1_drop_priority; */
2142         int stop_req, max_stop_req;
2143         struct drm_display_mode *mode1 = NULL;
2144         struct drm_display_mode *mode2 = NULL;
2145         uint32_t pixel_bytes1 = 0;
2146         uint32_t pixel_bytes2 = 0;
2147
2148         if (rdev->mode_info.crtcs[0]->base.enabled) {
2149                 mode1 = &rdev->mode_info.crtcs[0]->base.mode;
2150                 pixel_bytes1 = rdev->mode_info.crtcs[0]->base.fb->bits_per_pixel / 8;
2151         }
2152         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
2153                 if (rdev->mode_info.crtcs[1]->base.enabled) {
2154                         mode2 = &rdev->mode_info.crtcs[1]->base.mode;
2155                         pixel_bytes2 = rdev->mode_info.crtcs[1]->base.fb->bits_per_pixel / 8;
2156                 }
2157         }
2158
2159         min_mem_eff.full = rfixed_const_8(0);
2160         /* get modes */
2161         if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
2162                 uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
2163                 mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
2164                 mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
2165                 /* check crtc enables */
2166                 if (mode2)
2167                         mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
2168                 if (mode1)
2169                         mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
2170                 WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
2171         }
2172
2173         /*
2174          * determine is there is enough bw for current mode
2175          */
2176         mclk_ff.full = rfixed_const(rdev->clock.default_mclk);
2177         temp_ff.full = rfixed_const(100);
2178         mclk_ff.full = rfixed_div(mclk_ff, temp_ff);
2179         sclk_ff.full = rfixed_const(rdev->clock.default_sclk);
2180         sclk_ff.full = rfixed_div(sclk_ff, temp_ff);
2181
2182         temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
2183         temp_ff.full = rfixed_const(temp);
2184         mem_bw.full = rfixed_mul(mclk_ff, temp_ff);
2185
2186         pix_clk.full = 0;
2187         pix_clk2.full = 0;
2188         peak_disp_bw.full = 0;
2189         if (mode1) {
2190                 temp_ff.full = rfixed_const(1000);
2191                 pix_clk.full = rfixed_const(mode1->clock); /* convert to fixed point */
2192                 pix_clk.full = rfixed_div(pix_clk, temp_ff);
2193                 temp_ff.full = rfixed_const(pixel_bytes1);
2194                 peak_disp_bw.full += rfixed_mul(pix_clk, temp_ff);
2195         }
2196         if (mode2) {
2197                 temp_ff.full = rfixed_const(1000);
2198                 pix_clk2.full = rfixed_const(mode2->clock); /* convert to fixed point */
2199                 pix_clk2.full = rfixed_div(pix_clk2, temp_ff);
2200                 temp_ff.full = rfixed_const(pixel_bytes2);
2201                 peak_disp_bw.full += rfixed_mul(pix_clk2, temp_ff);
2202         }
2203
2204         mem_bw.full = rfixed_mul(mem_bw, min_mem_eff);
2205         if (peak_disp_bw.full >= mem_bw.full) {
2206                 DRM_ERROR("You may not have enough display bandwidth for current mode\n"
2207                           "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
2208         }
2209
2210         /*  Get values from the EXT_MEM_CNTL register...converting its contents. */
2211         temp = RREG32(RADEON_MEM_TIMING_CNTL);
2212         if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
2213                 mem_trcd = ((temp >> 2) & 0x3) + 1;
2214                 mem_trp  = ((temp & 0x3)) + 1;
2215                 mem_tras = ((temp & 0x70) >> 4) + 1;
2216         } else if (rdev->family == CHIP_R300 ||
2217                    rdev->family == CHIP_R350) { /* r300, r350 */
2218                 mem_trcd = (temp & 0x7) + 1;
2219                 mem_trp = ((temp >> 8) & 0x7) + 1;
2220                 mem_tras = ((temp >> 11) & 0xf) + 4;
2221         } else if (rdev->family == CHIP_RV350 ||
2222                    rdev->family <= CHIP_RV380) {
2223                 /* rv3x0 */
2224                 mem_trcd = (temp & 0x7) + 3;
2225                 mem_trp = ((temp >> 8) & 0x7) + 3;
2226                 mem_tras = ((temp >> 11) & 0xf) + 6;
2227         } else if (rdev->family == CHIP_R420 ||
2228                    rdev->family == CHIP_R423 ||
2229                    rdev->family == CHIP_RV410) {
2230                 /* r4xx */
2231                 mem_trcd = (temp & 0xf) + 3;
2232                 if (mem_trcd > 15)
2233                         mem_trcd = 15;
2234                 mem_trp = ((temp >> 8) & 0xf) + 3;
2235                 if (mem_trp > 15)
2236                         mem_trp = 15;
2237                 mem_tras = ((temp >> 12) & 0x1f) + 6;
2238                 if (mem_tras > 31)
2239                         mem_tras = 31;
2240         } else { /* RV200, R200 */
2241                 mem_trcd = (temp & 0x7) + 1;
2242                 mem_trp = ((temp >> 8) & 0x7) + 1;
2243                 mem_tras = ((temp >> 12) & 0xf) + 4;
2244         }
2245         /* convert to FF */
2246         trcd_ff.full = rfixed_const(mem_trcd);
2247         trp_ff.full = rfixed_const(mem_trp);
2248         tras_ff.full = rfixed_const(mem_tras);
2249
2250         /* Get values from the MEM_SDRAM_MODE_REG register...converting its */
2251         temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2252         data = (temp & (7 << 20)) >> 20;
2253         if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
2254                 if (rdev->family == CHIP_RS480) /* don't think rs400 */
2255                         tcas_ff = memtcas_rs480_ff[data];
2256                 else
2257                         tcas_ff = memtcas_ff[data];
2258         } else
2259                 tcas_ff = memtcas2_ff[data];
2260
2261         if (rdev->family == CHIP_RS400 ||
2262             rdev->family == CHIP_RS480) {
2263                 /* extra cas latency stored in bits 23-25 0-4 clocks */
2264                 data = (temp >> 23) & 0x7;
2265                 if (data < 5)
2266                         tcas_ff.full += rfixed_const(data);
2267         }
2268
2269         if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
2270                 /* on the R300, Tcas is included in Trbs.
2271                  */
2272                 temp = RREG32(RADEON_MEM_CNTL);
2273                 data = (R300_MEM_NUM_CHANNELS_MASK & temp);
2274                 if (data == 1) {
2275                         if (R300_MEM_USE_CD_CH_ONLY & temp) {
2276                                 temp = RREG32(R300_MC_IND_INDEX);
2277                                 temp &= ~R300_MC_IND_ADDR_MASK;
2278                                 temp |= R300_MC_READ_CNTL_CD_mcind;
2279                                 WREG32(R300_MC_IND_INDEX, temp);
2280                                 temp = RREG32(R300_MC_IND_DATA);
2281                                 data = (R300_MEM_RBS_POSITION_C_MASK & temp);
2282                         } else {
2283                                 temp = RREG32(R300_MC_READ_CNTL_AB);
2284                                 data = (R300_MEM_RBS_POSITION_A_MASK & temp);
2285                         }
2286                 } else {
2287                         temp = RREG32(R300_MC_READ_CNTL_AB);
2288                         data = (R300_MEM_RBS_POSITION_A_MASK & temp);
2289                 }
2290                 if (rdev->family == CHIP_RV410 ||
2291                     rdev->family == CHIP_R420 ||
2292                     rdev->family == CHIP_R423)
2293                         trbs_ff = memtrbs_r4xx[data];
2294                 else
2295                         trbs_ff = memtrbs[data];
2296                 tcas_ff.full += trbs_ff.full;
2297         }
2298
2299         sclk_eff_ff.full = sclk_ff.full;
2300
2301         if (rdev->flags & RADEON_IS_AGP) {
2302                 fixed20_12 agpmode_ff;
2303                 agpmode_ff.full = rfixed_const(radeon_agpmode);
2304                 temp_ff.full = rfixed_const_666(16);
2305                 sclk_eff_ff.full -= rfixed_mul(agpmode_ff, temp_ff);
2306         }
2307         /* TODO PCIE lanes may affect this - agpmode == 16?? */
2308
2309         if (ASIC_IS_R300(rdev)) {
2310                 sclk_delay_ff.full = rfixed_const(250);
2311         } else {
2312                 if ((rdev->family == CHIP_RV100) ||
2313                     rdev->flags & RADEON_IS_IGP) {
2314                         if (rdev->mc.vram_is_ddr)
2315                                 sclk_delay_ff.full = rfixed_const(41);
2316                         else
2317                                 sclk_delay_ff.full = rfixed_const(33);
2318                 } else {
2319                         if (rdev->mc.vram_width == 128)
2320                                 sclk_delay_ff.full = rfixed_const(57);
2321                         else
2322                                 sclk_delay_ff.full = rfixed_const(41);
2323                 }
2324         }
2325
2326         mc_latency_sclk.full = rfixed_div(sclk_delay_ff, sclk_eff_ff);
2327
2328         if (rdev->mc.vram_is_ddr) {
2329                 if (rdev->mc.vram_width == 32) {
2330                         k1.full = rfixed_const(40);
2331                         c  = 3;
2332                 } else {
2333                         k1.full = rfixed_const(20);
2334                         c  = 1;
2335                 }
2336         } else {
2337                 k1.full = rfixed_const(40);
2338                 c  = 3;
2339         }
2340
2341         temp_ff.full = rfixed_const(2);
2342         mc_latency_mclk.full = rfixed_mul(trcd_ff, temp_ff);
2343         temp_ff.full = rfixed_const(c);
2344         mc_latency_mclk.full += rfixed_mul(tcas_ff, temp_ff);
2345         temp_ff.full = rfixed_const(4);
2346         mc_latency_mclk.full += rfixed_mul(tras_ff, temp_ff);
2347         mc_latency_mclk.full += rfixed_mul(trp_ff, temp_ff);
2348         mc_latency_mclk.full += k1.full;
2349
2350         mc_latency_mclk.full = rfixed_div(mc_latency_mclk, mclk_ff);
2351         mc_latency_mclk.full += rfixed_div(temp_ff, sclk_eff_ff);
2352
2353         /*
2354           HW cursor time assuming worst case of full size colour cursor.
2355         */
2356         temp_ff.full = rfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
2357         temp_ff.full += trcd_ff.full;
2358         if (temp_ff.full < tras_ff.full)
2359                 temp_ff.full = tras_ff.full;
2360         cur_latency_mclk.full = rfixed_div(temp_ff, mclk_ff);
2361
2362         temp_ff.full = rfixed_const(cur_size);
2363         cur_latency_sclk.full = rfixed_div(temp_ff, sclk_eff_ff);
2364         /*
2365           Find the total latency for the display data.
2366         */
2367         disp_latency_overhead.full = rfixed_const(80);
2368         disp_latency_overhead.full = rfixed_div(disp_latency_overhead, sclk_ff);
2369         mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
2370         mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
2371
2372         if (mc_latency_mclk.full > mc_latency_sclk.full)
2373                 disp_latency.full = mc_latency_mclk.full;
2374         else
2375                 disp_latency.full = mc_latency_sclk.full;
2376
2377         /* setup Max GRPH_STOP_REQ default value */
2378         if (ASIC_IS_RV100(rdev))
2379                 max_stop_req = 0x5c;
2380         else
2381                 max_stop_req = 0x7c;
2382
2383         if (mode1) {
2384                 /*  CRTC1
2385                     Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
2386                     GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
2387                 */
2388                 stop_req = mode1->hdisplay * pixel_bytes1 / 16;
2389
2390                 if (stop_req > max_stop_req)
2391                         stop_req = max_stop_req;
2392
2393                 /*
2394                   Find the drain rate of the display buffer.
2395                 */
2396                 temp_ff.full = rfixed_const((16/pixel_bytes1));
2397                 disp_drain_rate.full = rfixed_div(pix_clk, temp_ff);
2398
2399                 /*
2400                   Find the critical point of the display buffer.
2401                 */
2402                 crit_point_ff.full = rfixed_mul(disp_drain_rate, disp_latency);
2403                 crit_point_ff.full += rfixed_const_half(0);
2404
2405                 critical_point = rfixed_trunc(crit_point_ff);
2406
2407                 if (rdev->disp_priority == 2) {
2408                         critical_point = 0;
2409                 }
2410
2411                 /*
2412                   The critical point should never be above max_stop_req-4.  Setting
2413                   GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
2414                 */
2415                 if (max_stop_req - critical_point < 4)
2416                         critical_point = 0;
2417
2418                 if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) {
2419                         /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
2420                         critical_point = 0x10;
2421                 }
2422
2423                 temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
2424                 temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
2425                 temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
2426                 temp &= ~(RADEON_GRPH_START_REQ_MASK);
2427                 if ((rdev->family == CHIP_R350) &&
2428                     (stop_req > 0x15)) {
2429                         stop_req -= 0x10;
2430                 }
2431                 temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
2432                 temp |= RADEON_GRPH_BUFFER_SIZE;
2433                 temp &= ~(RADEON_GRPH_CRITICAL_CNTL   |
2434                           RADEON_GRPH_CRITICAL_AT_SOF |
2435                           RADEON_GRPH_STOP_CNTL);
2436                 /*
2437                   Write the result into the register.
2438                 */
2439                 WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
2440                                                        (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
2441
2442 #if 0
2443                 if ((rdev->family == CHIP_RS400) ||
2444                     (rdev->family == CHIP_RS480)) {
2445                         /* attempt to program RS400 disp regs correctly ??? */
2446                         temp = RREG32(RS400_DISP1_REG_CNTL);
2447                         temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
2448                                   RS400_DISP1_STOP_REQ_LEVEL_MASK);
2449                         WREG32(RS400_DISP1_REQ_CNTL1, (temp |
2450                                                        (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
2451                                                        (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
2452                         temp = RREG32(RS400_DMIF_MEM_CNTL1);
2453                         temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
2454                                   RS400_DISP1_CRITICAL_POINT_STOP_MASK);
2455                         WREG32(RS400_DMIF_MEM_CNTL1, (temp |
2456                                                       (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
2457                                                       (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
2458                 }
2459 #endif
2460
2461                 DRM_DEBUG("GRPH_BUFFER_CNTL from to %x\n",
2462                           /*      (unsigned int)info->SavedReg->grph_buffer_cntl, */
2463                           (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
2464         }
2465
2466         if (mode2) {
2467                 u32 grph2_cntl;
2468                 stop_req = mode2->hdisplay * pixel_bytes2 / 16;
2469
2470                 if (stop_req > max_stop_req)
2471                         stop_req = max_stop_req;
2472
2473                 /*
2474                   Find the drain rate of the display buffer.
2475                 */
2476                 temp_ff.full = rfixed_const((16/pixel_bytes2));
2477                 disp_drain_rate2.full = rfixed_div(pix_clk2, temp_ff);
2478
2479                 grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
2480                 grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
2481                 grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
2482                 grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
2483                 if ((rdev->family == CHIP_R350) &&
2484                     (stop_req > 0x15)) {
2485                         stop_req -= 0x10;
2486                 }
2487                 grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
2488                 grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
2489                 grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL   |
2490                           RADEON_GRPH_CRITICAL_AT_SOF |
2491                           RADEON_GRPH_STOP_CNTL);
2492
2493                 if ((rdev->family == CHIP_RS100) ||
2494                     (rdev->family == CHIP_RS200))
2495                         critical_point2 = 0;
2496                 else {
2497                         temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
2498                         temp_ff.full = rfixed_const(temp);
2499                         temp_ff.full = rfixed_mul(mclk_ff, temp_ff);
2500                         if (sclk_ff.full < temp_ff.full)
2501                                 temp_ff.full = sclk_ff.full;
2502
2503                         read_return_rate.full = temp_ff.full;
2504
2505                         if (mode1) {
2506                                 temp_ff.full = read_return_rate.full - disp_drain_rate.full;
2507                                 time_disp1_drop_priority.full = rfixed_div(crit_point_ff, temp_ff);
2508                         } else {
2509                                 time_disp1_drop_priority.full = 0;
2510                         }
2511                         crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
2512                         crit_point_ff.full = rfixed_mul(crit_point_ff, disp_drain_rate2);
2513                         crit_point_ff.full += rfixed_const_half(0);
2514
2515                         critical_point2 = rfixed_trunc(crit_point_ff);
2516
2517                         if (rdev->disp_priority == 2) {
2518                                 critical_point2 = 0;
2519                         }
2520
2521                         if (max_stop_req - critical_point2 < 4)
2522                                 critical_point2 = 0;
2523
2524                 }
2525
2526                 if (critical_point2 == 0 && rdev->family == CHIP_R300) {
2527                         /* some R300 cards have problem with this set to 0 */
2528                         critical_point2 = 0x10;
2529                 }
2530
2531                 WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
2532                                                   (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
2533
2534                 if ((rdev->family == CHIP_RS400) ||
2535                     (rdev->family == CHIP_RS480)) {
2536 #if 0
2537                         /* attempt to program RS400 disp2 regs correctly ??? */
2538                         temp = RREG32(RS400_DISP2_REQ_CNTL1);
2539                         temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
2540                                   RS400_DISP2_STOP_REQ_LEVEL_MASK);
2541                         WREG32(RS400_DISP2_REQ_CNTL1, (temp |
2542                                                        (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
2543                                                        (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
2544                         temp = RREG32(RS400_DISP2_REQ_CNTL2);
2545                         temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
2546                                   RS400_DISP2_CRITICAL_POINT_STOP_MASK);
2547                         WREG32(RS400_DISP2_REQ_CNTL2, (temp |
2548                                                        (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
2549                                                        (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
2550 #endif
2551                         WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
2552                         WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
2553                         WREG32(RS400_DMIF_MEM_CNTL1,  0x29CA71DC);
2554                         WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
2555                 }
2556
2557                 DRM_DEBUG("GRPH2_BUFFER_CNTL from to %x\n",
2558                           (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
2559         }
2560 }
2561
2562 static inline void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
2563 {
2564         DRM_ERROR("pitch                      %d\n", t->pitch);
2565         DRM_ERROR("width                      %d\n", t->width);
2566         DRM_ERROR("height                     %d\n", t->height);
2567         DRM_ERROR("num levels                 %d\n", t->num_levels);
2568         DRM_ERROR("depth                      %d\n", t->txdepth);
2569         DRM_ERROR("bpp                        %d\n", t->cpp);
2570         DRM_ERROR("coordinate type            %d\n", t->tex_coord_type);
2571         DRM_ERROR("width round to power of 2  %d\n", t->roundup_w);
2572         DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
2573 }
2574
2575 static int r100_cs_track_cube(struct radeon_device *rdev,
2576                               struct r100_cs_track *track, unsigned idx)
2577 {
2578         unsigned face, w, h;
2579         struct radeon_object *cube_robj;
2580         unsigned long size;
2581
2582         for (face = 0; face < 5; face++) {
2583                 cube_robj = track->textures[idx].cube_info[face].robj;
2584                 w = track->textures[idx].cube_info[face].width;
2585                 h = track->textures[idx].cube_info[face].height;
2586
2587                 size = w * h;
2588                 size *= track->textures[idx].cpp;
2589
2590                 size += track->textures[idx].cube_info[face].offset;
2591
2592                 if (size > radeon_object_size(cube_robj)) {
2593                         DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
2594                                   size, radeon_object_size(cube_robj));
2595                         r100_cs_track_texture_print(&track->textures[idx]);
2596                         return -1;
2597                 }
2598         }
2599         return 0;
2600 }
2601
2602 static int r100_cs_track_texture_check(struct radeon_device *rdev,
2603                                        struct r100_cs_track *track)
2604 {
2605         struct radeon_object *robj;
2606         unsigned long size;
2607         unsigned u, i, w, h;
2608         int ret;
2609
2610         for (u = 0; u < track->num_texture; u++) {
2611                 if (!track->textures[u].enabled)
2612                         continue;
2613                 robj = track->textures[u].robj;
2614                 if (robj == NULL) {
2615                         DRM_ERROR("No texture bound to unit %u\n", u);
2616                         return -EINVAL;
2617                 }
2618                 size = 0;
2619                 for (i = 0; i <= track->textures[u].num_levels; i++) {
2620                         if (track->textures[u].use_pitch) {
2621                                 if (rdev->family < CHIP_R300)
2622                                         w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
2623                                 else
2624                                         w = track->textures[u].pitch / (1 << i);
2625                         } else {
2626                                 w = track->textures[u].width / (1 << i);
2627                                 if (rdev->family >= CHIP_RV515)
2628                                         w |= track->textures[u].width_11;
2629                                 if (track->textures[u].roundup_w)
2630                                         w = roundup_pow_of_two(w);
2631                         }
2632                         h = track->textures[u].height / (1 << i);
2633                         if (rdev->family >= CHIP_RV515)
2634                                 h |= track->textures[u].height_11;
2635                         if (track->textures[u].roundup_h)
2636                                 h = roundup_pow_of_two(h);
2637                         size += w * h;
2638                 }
2639                 size *= track->textures[u].cpp;
2640                 switch (track->textures[u].tex_coord_type) {
2641                 case 0:
2642                         break;
2643                 case 1:
2644                         size *= (1 << track->textures[u].txdepth);
2645                         break;
2646                 case 2:
2647                         if (track->separate_cube) {
2648                                 ret = r100_cs_track_cube(rdev, track, u);
2649                                 if (ret)
2650                                         return ret;
2651                         } else
2652                                 size *= 6;
2653                         break;
2654                 default:
2655                         DRM_ERROR("Invalid texture coordinate type %u for unit "
2656                                   "%u\n", track->textures[u].tex_coord_type, u);
2657                         return -EINVAL;
2658                 }
2659                 if (size > radeon_object_size(robj)) {
2660                         DRM_ERROR("Texture of unit %u needs %lu bytes but is "
2661                                   "%lu\n", u, size, radeon_object_size(robj));
2662                         r100_cs_track_texture_print(&track->textures[u]);
2663                         return -EINVAL;
2664                 }
2665         }
2666         return 0;
2667 }
2668
2669 int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
2670 {
2671         unsigned i;
2672         unsigned long size;
2673         unsigned prim_walk;
2674         unsigned nverts;
2675
2676         for (i = 0; i < track->num_cb; i++) {
2677                 if (track->cb[i].robj == NULL) {
2678                         DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
2679                         return -EINVAL;
2680                 }
2681                 size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
2682                 size += track->cb[i].offset;
2683                 if (size > radeon_object_size(track->cb[i].robj)) {
2684                         DRM_ERROR("[drm] Buffer too small for color buffer %d "
2685                                   "(need %lu have %lu) !\n", i, size,
2686                                   radeon_object_size(track->cb[i].robj));
2687                         DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
2688                                   i, track->cb[i].pitch, track->cb[i].cpp,
2689                                   track->cb[i].offset, track->maxy);
2690                         return -EINVAL;
2691                 }
2692         }
2693         if (track->z_enabled) {
2694                 if (track->zb.robj == NULL) {
2695                         DRM_ERROR("[drm] No buffer for z buffer !\n");
2696                         return -EINVAL;
2697                 }
2698                 size = track->zb.pitch * track->zb.cpp * track->maxy;
2699                 size += track->zb.offset;
2700                 if (size > radeon_object_size(track->zb.robj)) {
2701                         DRM_ERROR("[drm] Buffer too small for z buffer "
2702                                   "(need %lu have %lu) !\n", size,
2703                                   radeon_object_size(track->zb.robj));
2704                         DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
2705                                   track->zb.pitch, track->zb.cpp,
2706                                   track->zb.offset, track->maxy);
2707                         return -EINVAL;
2708                 }
2709         }
2710         prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
2711         nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
2712         switch (prim_walk) {
2713         case 1:
2714                 for (i = 0; i < track->num_arrays; i++) {
2715                         size = track->arrays[i].esize * track->max_indx * 4;
2716                         if (track->arrays[i].robj == NULL) {
2717                                 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2718                                           "bound\n", prim_walk, i);
2719                                 return -EINVAL;
2720                         }
2721                         if (size > radeon_object_size(track->arrays[i].robj)) {
2722                                 DRM_ERROR("(PW %u) Vertex array %u need %lu dwords "
2723                                            "have %lu dwords\n", prim_walk, i,
2724                                            size >> 2,
2725                                            radeon_object_size(track->arrays[i].robj) >> 2);
2726                                 DRM_ERROR("Max indices %u\n", track->max_indx);
2727                                 return -EINVAL;
2728                         }
2729                 }
2730                 break;
2731         case 2:
2732                 for (i = 0; i < track->num_arrays; i++) {
2733                         size = track->arrays[i].esize * (nverts - 1) * 4;
2734                         if (track->arrays[i].robj == NULL) {
2735                                 DRM_ERROR("(PW %u) Vertex array %u no buffer "
2736                                           "bound\n", prim_walk, i);
2737                                 return -EINVAL;
2738                         }
2739                         if (size > radeon_object_size(track->arrays[i].robj)) {
2740                                 DRM_ERROR("(PW %u) Vertex array %u need %lu dwords "
2741                                            "have %lu dwords\n", prim_walk, i, size >> 2,
2742                                            radeon_object_size(track->arrays[i].robj) >> 2);
2743                                 return -EINVAL;
2744                         }
2745                 }
2746                 break;
2747         case 3:
2748                 size = track->vtx_size * nverts;
2749                 if (size != track->immd_dwords) {
2750                         DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
2751                                   track->immd_dwords, size);
2752                         DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
2753                                   nverts, track->vtx_size);
2754                         return -EINVAL;
2755                 }
2756                 break;
2757         default:
2758                 DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
2759                           prim_walk);
2760                 return -EINVAL;
2761         }
2762         return r100_cs_track_texture_check(rdev, track);
2763 }
2764
2765 void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
2766 {
2767         unsigned i, face;
2768
2769         if (rdev->family < CHIP_R300) {
2770                 track->num_cb = 1;
2771                 if (rdev->family <= CHIP_RS200)
2772                         track->num_texture = 3;
2773                 else
2774                         track->num_texture = 6;
2775                 track->maxy = 2048;
2776                 track->separate_cube = 1;
2777         } else {
2778                 track->num_cb = 4;
2779                 track->num_texture = 16;
2780                 track->maxy = 4096;
2781                 track->separate_cube = 0;
2782         }
2783
2784         for (i = 0; i < track->num_cb; i++) {
2785                 track->cb[i].robj = NULL;
2786                 track->cb[i].pitch = 8192;
2787                 track->cb[i].cpp = 16;
2788                 track->cb[i].offset = 0;
2789         }
2790         track->z_enabled = true;
2791         track->zb.robj = NULL;
2792         track->zb.pitch = 8192;
2793         track->zb.cpp = 4;
2794         track->zb.offset = 0;
2795         track->vtx_size = 0x7F;
2796         track->immd_dwords = 0xFFFFFFFFUL;
2797         track->num_arrays = 11;
2798         track->max_indx = 0x00FFFFFFUL;
2799         for (i = 0; i < track->num_arrays; i++) {
2800                 track->arrays[i].robj = NULL;
2801                 track->arrays[i].esize = 0x7F;
2802         }
2803         for (i = 0; i < track->num_texture; i++) {
2804                 track->textures[i].pitch = 16536;
2805                 track->textures[i].width = 16536;
2806                 track->textures[i].height = 16536;
2807                 track->textures[i].width_11 = 1 << 11;
2808                 track->textures[i].height_11 = 1 << 11;
2809                 track->textures[i].num_levels = 12;
2810                 if (rdev->family <= CHIP_RS200) {
2811                         track->textures[i].tex_coord_type = 0;
2812                         track->textures[i].txdepth = 0;
2813                 } else {
2814                         track->textures[i].txdepth = 16;
2815                         track->textures[i].tex_coord_type = 1;
2816                 }
2817                 track->textures[i].cpp = 64;
2818                 track->textures[i].robj = NULL;
2819                 /* CS IB emission code makes sure texture unit are disabled */
2820                 track->textures[i].enabled = false;
2821                 track->textures[i].roundup_w = true;
2822                 track->textures[i].roundup_h = true;
2823                 if (track->separate_cube)
2824                         for (face = 0; face < 5; face++) {
2825                                 track->textures[i].cube_info[face].robj = NULL;
2826                                 track->textures[i].cube_info[face].width = 16536;
2827                                 track->textures[i].cube_info[face].height = 16536;
2828                                 track->textures[i].cube_info[face].offset = 0;
2829                         }
2830         }
2831 }
2832
2833 int r100_ring_test(struct radeon_device *rdev)
2834 {
2835         uint32_t scratch;
2836         uint32_t tmp = 0;
2837         unsigned i;
2838         int r;
2839
2840         r = radeon_scratch_get(rdev, &scratch);
2841         if (r) {
2842                 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
2843                 return r;
2844         }
2845         WREG32(scratch, 0xCAFEDEAD);
2846         r = radeon_ring_lock(rdev, 2);
2847         if (r) {
2848                 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2849                 radeon_scratch_free(rdev, scratch);
2850                 return r;
2851         }
2852         radeon_ring_write(rdev, PACKET0(scratch, 0));
2853         radeon_ring_write(rdev, 0xDEADBEEF);
2854         radeon_ring_unlock_commit(rdev);
2855         for (i = 0; i < rdev->usec_timeout; i++) {
2856                 tmp = RREG32(scratch);
2857                 if (tmp == 0xDEADBEEF) {
2858                         break;
2859                 }
2860                 DRM_UDELAY(1);
2861         }
2862         if (i < rdev->usec_timeout) {
2863                 DRM_INFO("ring test succeeded in %d usecs\n", i);
2864         } else {
2865                 DRM_ERROR("radeon: ring test failed (sracth(0x%04X)=0x%08X)\n",
2866                           scratch, tmp);
2867                 r = -EINVAL;
2868         }
2869         radeon_scratch_free(rdev, scratch);
2870         return r;
2871 }
2872
2873 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
2874 {
2875         radeon_ring_write(rdev, PACKET0(RADEON_CP_IB_BASE, 1));
2876         radeon_ring_write(rdev, ib->gpu_addr);
2877         radeon_ring_write(rdev, ib->length_dw);
2878 }
2879
2880 int r100_ib_test(struct radeon_device *rdev)
2881 {
2882         struct radeon_ib *ib;
2883         uint32_t scratch;
2884         uint32_t tmp = 0;
2885         unsigned i;
2886         int r;
2887
2888         r = radeon_scratch_get(rdev, &scratch);
2889         if (r) {
2890                 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
2891                 return r;
2892         }
2893         WREG32(scratch, 0xCAFEDEAD);
2894         r = radeon_ib_get(rdev, &ib);
2895         if (r) {
2896                 return r;
2897         }
2898         ib->ptr[0] = PACKET0(scratch, 0);
2899         ib->ptr[1] = 0xDEADBEEF;
2900         ib->ptr[2] = PACKET2(0);
2901         ib->ptr[3] = PACKET2(0);
2902         ib->ptr[4] = PACKET2(0);
2903         ib->ptr[5] = PACKET2(0);
2904         ib->ptr[6] = PACKET2(0);
2905         ib->ptr[7] = PACKET2(0);
2906         ib->length_dw = 8;
2907         r = radeon_ib_schedule(rdev, ib);
2908         if (r) {
2909                 radeon_scratch_free(rdev, scratch);
2910                 radeon_ib_free(rdev, &ib);
2911                 return r;
2912         }
2913         r = radeon_fence_wait(ib->fence, false);
2914         if (r) {
2915                 return r;
2916         }
2917         for (i = 0; i < rdev->usec_timeout; i++) {
2918                 tmp = RREG32(scratch);
2919                 if (tmp == 0xDEADBEEF) {
2920                         break;
2921                 }
2922                 DRM_UDELAY(1);
2923         }
2924         if (i < rdev->usec_timeout) {
2925                 DRM_INFO("ib test succeeded in %u usecs\n", i);
2926         } else {
2927                 DRM_ERROR("radeon: ib test failed (sracth(0x%04X)=0x%08X)\n",
2928                           scratch, tmp);
2929                 r = -EINVAL;
2930         }
2931         radeon_scratch_free(rdev, scratch);
2932         radeon_ib_free(rdev, &ib);
2933         return r;
2934 }
2935
2936 void r100_ib_fini(struct radeon_device *rdev)
2937 {
2938         radeon_ib_pool_fini(rdev);
2939 }
2940
2941 int r100_ib_init(struct radeon_device *rdev)
2942 {
2943         int r;
2944
2945         r = radeon_ib_pool_init(rdev);
2946         if (r) {
2947                 dev_err(rdev->dev, "failled initializing IB pool (%d).\n", r);
2948                 r100_ib_fini(rdev);
2949                 return r;
2950         }
2951         r = r100_ib_test(rdev);
2952         if (r) {
2953                 dev_err(rdev->dev, "failled testing IB (%d).\n", r);
2954                 r100_ib_fini(rdev);
2955                 return r;
2956         }
2957         return 0;
2958 }
2959
2960 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
2961 {
2962         /* Shutdown CP we shouldn't need to do that but better be safe than
2963          * sorry
2964          */
2965         rdev->cp.ready = false;
2966         WREG32(R_000740_CP_CSQ_CNTL, 0);
2967
2968         /* Save few CRTC registers */
2969         save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
2970         save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
2971         save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
2972         save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
2973         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
2974                 save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
2975                 save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
2976         }
2977
2978         /* Disable VGA aperture access */
2979         WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
2980         /* Disable cursor, overlay, crtc */
2981         WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
2982         WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
2983                                         S_000054_CRTC_DISPLAY_DIS(1));
2984         WREG32(R_000050_CRTC_GEN_CNTL,
2985                         (C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
2986                         S_000050_CRTC_DISP_REQ_EN_B(1));
2987         WREG32(R_000420_OV0_SCALE_CNTL,
2988                 C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
2989         WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
2990         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
2991                 WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
2992                                                 S_000360_CUR2_LOCK(1));
2993                 WREG32(R_0003F8_CRTC2_GEN_CNTL,
2994                         (C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
2995                         S_0003F8_CRTC2_DISPLAY_DIS(1) |
2996                         S_0003F8_CRTC2_DISP_REQ_EN_B(1));
2997                 WREG32(R_000360_CUR2_OFFSET,
2998                         C_000360_CUR2_LOCK & save->CUR2_OFFSET);
2999         }
3000 }
3001
3002 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
3003 {
3004         /* Update base address for crtc */
3005         WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_location);
3006         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3007                 WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR,
3008                                 rdev->mc.vram_location);
3009         }
3010         /* Restore CRTC registers */
3011         WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
3012         WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
3013         WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
3014         if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
3015                 WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
3016         }
3017 }
3018
3019 void r100_vga_render_disable(struct radeon_device *rdev)
3020 {
3021         u32 tmp;
3022
3023         tmp = RREG8(R_0003C2_GENMO_WT);
3024         WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
3025 }
3026
3027 static void r100_debugfs(struct radeon_device *rdev)
3028 {
3029         int r;
3030
3031         r = r100_debugfs_mc_info_init(rdev);
3032         if (r)
3033                 dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n");
3034 }
3035
3036 static void r100_mc_program(struct radeon_device *rdev)
3037 {
3038         struct r100_mc_save save;
3039
3040         /* Stops all mc clients */
3041         r100_mc_stop(rdev, &save);
3042         if (rdev->flags & RADEON_IS_AGP) {
3043                 WREG32(R_00014C_MC_AGP_LOCATION,
3044                         S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
3045                         S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
3046                 WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
3047                 if (rdev->family > CHIP_RV200)
3048                         WREG32(R_00015C_AGP_BASE_2,
3049                                 upper_32_bits(rdev->mc.agp_base) & 0xff);
3050         } else {
3051                 WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
3052                 WREG32(R_000170_AGP_BASE, 0);
3053                 if (rdev->family > CHIP_RV200)
3054                         WREG32(R_00015C_AGP_BASE_2, 0);
3055         }
3056         /* Wait for mc idle */
3057         if (r100_mc_wait_for_idle(rdev))
3058                 dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
3059         /* Program MC, should be a 32bits limited address space */
3060         WREG32(R_000148_MC_FB_LOCATION,
3061                 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
3062                 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
3063         r100_mc_resume(rdev, &save);
3064 }
3065
3066 void r100_clock_startup(struct radeon_device *rdev)
3067 {
3068         u32 tmp;
3069
3070         if (radeon_dynclks != -1 && radeon_dynclks)
3071                 radeon_legacy_set_clock_gating(rdev, 1);
3072         /* We need to force on some of the block */
3073         tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
3074         tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
3075         if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280))
3076                 tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1);
3077         WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
3078 }
3079
3080 static int r100_startup(struct radeon_device *rdev)
3081 {
3082         int r;
3083
3084         r100_mc_program(rdev);
3085         /* Resume clock */
3086         r100_clock_startup(rdev);
3087         /* Initialize GPU configuration (# pipes, ...) */
3088         r100_gpu_init(rdev);
3089         /* Initialize GART (initialize after TTM so we can allocate
3090          * memory through TTM but finalize after TTM) */
3091         if (rdev->flags & RADEON_IS_PCI) {
3092                 r = r100_pci_gart_enable(rdev);
3093                 if (r)
3094                         return r;
3095         }
3096         /* Enable IRQ */
3097         rdev->irq.sw_int = true;
3098         r100_irq_set(rdev);
3099         /* 1M ring buffer */
3100         r = r100_cp_init(rdev, 1024 * 1024);
3101         if (r) {
3102                 dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
3103                 return r;
3104         }
3105         r = r100_wb_init(rdev);
3106         if (r)
3107                 dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
3108         r = r100_ib_init(rdev);
3109         if (r) {
3110                 dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
3111                 return r;
3112         }
3113         return 0;
3114 }
3115
3116 int r100_resume(struct radeon_device *rdev)
3117 {
3118         /* Make sur GART are not working */
3119         if (rdev->flags & RADEON_IS_PCI)
3120                 r100_pci_gart_disable(rdev);
3121         /* Resume clock before doing reset */
3122         r100_clock_startup(rdev);
3123         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
3124         if (radeon_gpu_reset(rdev)) {
3125                 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3126                         RREG32(R_000E40_RBBM_STATUS),
3127                         RREG32(R_0007C0_CP_STAT));
3128         }
3129         /* post */
3130         radeon_combios_asic_init(rdev->ddev);
3131         /* Resume clock after posting */
3132         r100_clock_startup(rdev);
3133         return r100_startup(rdev);
3134 }
3135
3136 int r100_suspend(struct radeon_device *rdev)
3137 {
3138         r100_cp_disable(rdev);
3139         r100_wb_disable(rdev);
3140         r100_irq_disable(rdev);
3141         if (rdev->flags & RADEON_IS_PCI)
3142                 r100_pci_gart_disable(rdev);
3143         return 0;
3144 }
3145
3146 void r100_fini(struct radeon_device *rdev)
3147 {
3148         r100_suspend(rdev);
3149         r100_cp_fini(rdev);
3150         r100_wb_fini(rdev);
3151         r100_ib_fini(rdev);
3152         radeon_gem_fini(rdev);
3153         if (rdev->flags & RADEON_IS_PCI)
3154                 r100_pci_gart_fini(rdev);
3155         radeon_irq_kms_fini(rdev);
3156         radeon_fence_driver_fini(rdev);
3157         radeon_object_fini(rdev);
3158         radeon_atombios_fini(rdev);
3159         kfree(rdev->bios);
3160         rdev->bios = NULL;
3161 }
3162
3163 int r100_mc_init(struct radeon_device *rdev)
3164 {
3165         int r;
3166         u32 tmp;
3167
3168         /* Setup GPU memory space */
3169         rdev->mc.vram_location = 0xFFFFFFFFUL;
3170         rdev->mc.gtt_location = 0xFFFFFFFFUL;
3171         if (rdev->flags & RADEON_IS_IGP) {
3172                 tmp = G_00015C_MC_FB_START(RREG32(R_00015C_NB_TOM));
3173                 rdev->mc.vram_location = tmp << 16;
3174         }
3175         if (rdev->flags & RADEON_IS_AGP) {
3176                 r = radeon_agp_init(rdev);
3177                 if (r) {
3178                         printk(KERN_WARNING "[drm] Disabling AGP\n");
3179                         rdev->flags &= ~RADEON_IS_AGP;
3180                         rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
3181                 } else {
3182                         rdev->mc.gtt_location = rdev->mc.agp_base;
3183                 }
3184         }
3185         r = radeon_mc_setup(rdev);
3186         if (r)
3187                 return r;
3188         return 0;
3189 }
3190
3191 int r100_init(struct radeon_device *rdev)
3192 {
3193         int r;
3194
3195         /* Register debugfs file specific to this group of asics */
3196         r100_debugfs(rdev);
3197         /* Disable VGA */
3198         r100_vga_render_disable(rdev);
3199         /* Initialize scratch registers */
3200         radeon_scratch_init(rdev);
3201         /* Initialize surface registers */
3202         radeon_surface_init(rdev);
3203         /* TODO: disable VGA need to use VGA request */
3204         /* BIOS*/
3205         if (!radeon_get_bios(rdev)) {
3206                 if (ASIC_IS_AVIVO(rdev))
3207                         return -EINVAL;
3208         }
3209         if (rdev->is_atom_bios) {
3210                 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
3211                 return -EINVAL;
3212         } else {
3213                 r = radeon_combios_init(rdev);
3214                 if (r)
3215                         return r;
3216         }
3217         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
3218         if (radeon_gpu_reset(rdev)) {
3219                 dev_warn(rdev->dev,
3220                         "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
3221                         RREG32(R_000E40_RBBM_STATUS),
3222                         RREG32(R_0007C0_CP_STAT));
3223         }
3224         /* check if cards are posted or not */
3225         if (!radeon_card_posted(rdev) && rdev->bios) {
3226                 DRM_INFO("GPU not posted. posting now...\n");
3227                 radeon_combios_asic_init(rdev->ddev);
3228         }
3229         /* Set asic errata */
3230         r100_errata(rdev);
3231         /* Initialize clocks */
3232         radeon_get_clock_info(rdev->ddev);
3233         /* Get vram informations */
3234         r100_vram_info(rdev);
3235         /* Initialize memory controller (also test AGP) */
3236         r = r100_mc_init(rdev);
3237         if (r)
3238                 return r;
3239         /* Fence driver */
3240         r = radeon_fence_driver_init(rdev);
3241         if (r)
3242                 return r;
3243         r = radeon_irq_kms_init(rdev);
3244         if (r)
3245                 return r;
3246         /* Memory manager */
3247         r = radeon_object_init(rdev);
3248         if (r)
3249                 return r;
3250         if (rdev->flags & RADEON_IS_PCI) {
3251                 r = r100_pci_gart_init(rdev);
3252                 if (r)
3253                         return r;
3254         }
3255         r100_set_safe_registers(rdev);
3256         rdev->accel_working = true;
3257         r = r100_startup(rdev);
3258         if (r) {
3259                 /* Somethings want wront with the accel init stop accel */
3260                 dev_err(rdev->dev, "Disabling GPU acceleration\n");
3261                 r100_suspend(rdev);
3262                 r100_cp_fini(rdev);
3263                 r100_wb_fini(rdev);
3264                 r100_ib_fini(rdev);
3265                 if (rdev->flags & RADEON_IS_PCI)
3266                         r100_pci_gart_fini(rdev);
3267                 radeon_irq_kms_fini(rdev);
3268                 rdev->accel_working = false;
3269         }
3270         return 0;
3271 }