linux/drivers/gpu/drm/radeon/r300.c
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   1/*
   2 * Copyright 2008 Advanced Micro Devices, Inc.
   3 * Copyright 2008 Red Hat Inc.
   4 * Copyright 2009 Jerome Glisse.
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a
   7 * copy of this software and associated documentation files (the "Software"),
   8 * to deal in the Software without restriction, including without limitation
   9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 * and/or sell copies of the Software, and to permit persons to whom the
  11 * Software is furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22 * OTHER DEALINGS IN THE SOFTWARE.
  23 *
  24 * Authors: Dave Airlie
  25 *          Alex Deucher
  26 *          Jerome Glisse
  27 */
  28#include <linux/seq_file.h>
  29#include <linux/slab.h>
  30#include <drm/drmP.h>
  31#include <drm/drm.h>
  32#include <drm/drm_crtc_helper.h>
  33#include "radeon_reg.h"
  34#include "radeon.h"
  35#include "radeon_asic.h"
  36#include <drm/radeon_drm.h>
  37#include "r100_track.h"
  38#include "r300d.h"
  39#include "rv350d.h"
  40#include "r300_reg_safe.h"
  41
  42/* This files gather functions specifics to: r300,r350,rv350,rv370,rv380
  43 *
  44 * GPU Errata:
  45 * - HOST_PATH_CNTL: r300 family seems to dislike write to HOST_PATH_CNTL
  46 *   using MMIO to flush host path read cache, this lead to HARDLOCKUP.
  47 *   However, scheduling such write to the ring seems harmless, i suspect
  48 *   the CP read collide with the flush somehow, or maybe the MC, hard to
  49 *   tell. (Jerome Glisse)
  50 */
  51
  52/*
  53 * Indirect registers accessor
  54 */
  55uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
  56{
  57        unsigned long flags;
  58        uint32_t r;
  59
  60        spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
  61        WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
  62        r = RREG32(RADEON_PCIE_DATA);
  63        spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
  64        return r;
  65}
  66
  67void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
  68{
  69        unsigned long flags;
  70
  71        spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
  72        WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
  73        WREG32(RADEON_PCIE_DATA, (v));
  74        spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
  75}
  76
  77/*
  78 * rv370,rv380 PCIE GART
  79 */
  80static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
  81
  82void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
  83{
  84        uint32_t tmp;
  85        int i;
  86
  87        /* Workaround HW bug do flush 2 times */
  88        for (i = 0; i < 2; i++) {
  89                tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
  90                WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
  91                (void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
  92                WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
  93        }
  94        mb();
  95}
  96
  97#define R300_PTE_UNSNOOPED (1 << 0)
  98#define R300_PTE_WRITEABLE (1 << 2)
  99#define R300_PTE_READABLE  (1 << 3)
 100
 101uint64_t rv370_pcie_gart_get_page_entry(uint64_t addr, uint32_t flags)
 102{
 103        addr = (lower_32_bits(addr) >> 8) |
 104                ((upper_32_bits(addr) & 0xff) << 24);
 105        if (flags & RADEON_GART_PAGE_READ)
 106                addr |= R300_PTE_READABLE;
 107        if (flags & RADEON_GART_PAGE_WRITE)
 108                addr |= R300_PTE_WRITEABLE;
 109        if (!(flags & RADEON_GART_PAGE_SNOOP))
 110                addr |= R300_PTE_UNSNOOPED;
 111        return addr;
 112}
 113
 114void rv370_pcie_gart_set_page(struct radeon_device *rdev, unsigned i,
 115                              uint64_t entry)
 116{
 117        void __iomem *ptr = rdev->gart.ptr;
 118
 119        /* on x86 we want this to be CPU endian, on powerpc
 120         * on powerpc without HW swappers, it'll get swapped on way
 121         * into VRAM - so no need for cpu_to_le32 on VRAM tables */
 122        writel(entry, ((void __iomem *)ptr) + (i * 4));
 123}
 124
 125int rv370_pcie_gart_init(struct radeon_device *rdev)
 126{
 127        int r;
 128
 129        if (rdev->gart.robj) {
 130                WARN(1, "RV370 PCIE GART already initialized\n");
 131                return 0;
 132        }
 133        /* Initialize common gart structure */
 134        r = radeon_gart_init(rdev);
 135        if (r)
 136                return r;
 137        r = rv370_debugfs_pcie_gart_info_init(rdev);
 138        if (r)
 139                DRM_ERROR("Failed to register debugfs file for PCIE gart !\n");
 140        rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
 141        rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush;
 142        rdev->asic->gart.get_page_entry = &rv370_pcie_gart_get_page_entry;
 143        rdev->asic->gart.set_page = &rv370_pcie_gart_set_page;
 144        return radeon_gart_table_vram_alloc(rdev);
 145}
 146
 147int rv370_pcie_gart_enable(struct radeon_device *rdev)
 148{
 149        uint32_t table_addr;
 150        uint32_t tmp;
 151        int r;
 152
 153        if (rdev->gart.robj == NULL) {
 154                dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 155                return -EINVAL;
 156        }
 157        r = radeon_gart_table_vram_pin(rdev);
 158        if (r)
 159                return r;
 160        /* discard memory request outside of configured range */
 161        tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 162        WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 163        WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start);
 164        tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK;
 165        WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
 166        WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 167        WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 168        table_addr = rdev->gart.table_addr;
 169        WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
 170        /* FIXME: setup default page */
 171        WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
 172        WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
 173        /* Clear error */
 174        WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0);
 175        tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 176        tmp |= RADEON_PCIE_TX_GART_EN;
 177        tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 178        WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
 179        rv370_pcie_gart_tlb_flush(rdev);
 180        DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 181                 (unsigned)(rdev->mc.gtt_size >> 20),
 182                 (unsigned long long)table_addr);
 183        rdev->gart.ready = true;
 184        return 0;
 185}
 186
 187void rv370_pcie_gart_disable(struct radeon_device *rdev)
 188{
 189        u32 tmp;
 190
 191        WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
 192        WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
 193        WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 194        WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 195        tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 196        tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 197        WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
 198        radeon_gart_table_vram_unpin(rdev);
 199}
 200
 201void rv370_pcie_gart_fini(struct radeon_device *rdev)
 202{
 203        radeon_gart_fini(rdev);
 204        rv370_pcie_gart_disable(rdev);
 205        radeon_gart_table_vram_free(rdev);
 206}
 207
 208void r300_fence_ring_emit(struct radeon_device *rdev,
 209                          struct radeon_fence *fence)
 210{
 211        struct radeon_ring *ring = &rdev->ring[fence->ring];
 212
 213        /* Who ever call radeon_fence_emit should call ring_lock and ask
 214         * for enough space (today caller are ib schedule and buffer move) */
 215        /* Write SC register so SC & US assert idle */
 216        radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_TL, 0));
 217        radeon_ring_write(ring, 0);
 218        radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0));
 219        radeon_ring_write(ring, 0);
 220        /* Flush 3D cache */
 221        radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 222        radeon_ring_write(ring, R300_RB3D_DC_FLUSH);
 223        radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 224        radeon_ring_write(ring, R300_ZC_FLUSH);
 225        /* Wait until IDLE & CLEAN */
 226        radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 227        radeon_ring_write(ring, (RADEON_WAIT_3D_IDLECLEAN |
 228                                 RADEON_WAIT_2D_IDLECLEAN |
 229                                 RADEON_WAIT_DMA_GUI_IDLE));
 230        radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 231        radeon_ring_write(ring, rdev->config.r300.hdp_cntl |
 232                                RADEON_HDP_READ_BUFFER_INVALIDATE);
 233        radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 234        radeon_ring_write(ring, rdev->config.r300.hdp_cntl);
 235        /* Emit fence sequence & fire IRQ */
 236        radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
 237        radeon_ring_write(ring, fence->seq);
 238        radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
 239        radeon_ring_write(ring, RADEON_SW_INT_FIRE);
 240}
 241
 242void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
 243{
 244        unsigned gb_tile_config;
 245        int r;
 246
 247        /* Sub pixel 1/12 so we can have 4K rendering according to doc */
 248        gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 249        switch(rdev->num_gb_pipes) {
 250        case 2:
 251                gb_tile_config |= R300_PIPE_COUNT_R300;
 252                break;
 253        case 3:
 254                gb_tile_config |= R300_PIPE_COUNT_R420_3P;
 255                break;
 256        case 4:
 257                gb_tile_config |= R300_PIPE_COUNT_R420;
 258                break;
 259        case 1:
 260        default:
 261                gb_tile_config |= R300_PIPE_COUNT_RV350;
 262                break;
 263        }
 264
 265        r = radeon_ring_lock(rdev, ring, 64);
 266        if (r) {
 267                return;
 268        }
 269        radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
 270        radeon_ring_write(ring,
 271                          RADEON_ISYNC_ANY2D_IDLE3D |
 272                          RADEON_ISYNC_ANY3D_IDLE2D |
 273                          RADEON_ISYNC_WAIT_IDLEGUI |
 274                          RADEON_ISYNC_CPSCRATCH_IDLEGUI);
 275        radeon_ring_write(ring, PACKET0(R300_GB_TILE_CONFIG, 0));
 276        radeon_ring_write(ring, gb_tile_config);
 277        radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 278        radeon_ring_write(ring,
 279                          RADEON_WAIT_2D_IDLECLEAN |
 280                          RADEON_WAIT_3D_IDLECLEAN);
 281        radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
 282        radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
 283        radeon_ring_write(ring, PACKET0(R300_GB_SELECT, 0));
 284        radeon_ring_write(ring, 0);
 285        radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0));
 286        radeon_ring_write(ring, 0);
 287        radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 288        radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
 289        radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 290        radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
 291        radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
 292        radeon_ring_write(ring,
 293                          RADEON_WAIT_2D_IDLECLEAN |
 294                          RADEON_WAIT_3D_IDLECLEAN);
 295        radeon_ring_write(ring, PACKET0(R300_GB_AA_CONFIG, 0));
 296        radeon_ring_write(ring, 0);
 297        radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
 298        radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
 299        radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
 300        radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
 301        radeon_ring_write(ring, PACKET0(R300_GB_MSPOS0, 0));
 302        radeon_ring_write(ring,
 303                          ((6 << R300_MS_X0_SHIFT) |
 304                           (6 << R300_MS_Y0_SHIFT) |
 305                           (6 << R300_MS_X1_SHIFT) |
 306                           (6 << R300_MS_Y1_SHIFT) |
 307                           (6 << R300_MS_X2_SHIFT) |
 308                           (6 << R300_MS_Y2_SHIFT) |
 309                           (6 << R300_MSBD0_Y_SHIFT) |
 310                           (6 << R300_MSBD0_X_SHIFT)));
 311        radeon_ring_write(ring, PACKET0(R300_GB_MSPOS1, 0));
 312        radeon_ring_write(ring,
 313                          ((6 << R300_MS_X3_SHIFT) |
 314                           (6 << R300_MS_Y3_SHIFT) |
 315                           (6 << R300_MS_X4_SHIFT) |
 316                           (6 << R300_MS_Y4_SHIFT) |
 317                           (6 << R300_MS_X5_SHIFT) |
 318                           (6 << R300_MS_Y5_SHIFT) |
 319                           (6 << R300_MSBD1_SHIFT)));
 320        radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0));
 321        radeon_ring_write(ring, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
 322        radeon_ring_write(ring, PACKET0(R300_GA_POLY_MODE, 0));
 323        radeon_ring_write(ring,
 324                          R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
 325        radeon_ring_write(ring, PACKET0(R300_GA_ROUND_MODE, 0));
 326        radeon_ring_write(ring,
 327                          R300_GEOMETRY_ROUND_NEAREST |
 328                          R300_COLOR_ROUND_NEAREST);
 329        radeon_ring_unlock_commit(rdev, ring, false);
 330}
 331
 332static void r300_errata(struct radeon_device *rdev)
 333{
 334        rdev->pll_errata = 0;
 335
 336        if (rdev->family == CHIP_R300 &&
 337            (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
 338                rdev->pll_errata |= CHIP_ERRATA_R300_CG;
 339        }
 340}
 341
 342int r300_mc_wait_for_idle(struct radeon_device *rdev)
 343{
 344        unsigned i;
 345        uint32_t tmp;
 346
 347        for (i = 0; i < rdev->usec_timeout; i++) {
 348                /* read MC_STATUS */
 349                tmp = RREG32(RADEON_MC_STATUS);
 350                if (tmp & R300_MC_IDLE) {
 351                        return 0;
 352                }
 353                DRM_UDELAY(1);
 354        }
 355        return -1;
 356}
 357
 358static void r300_gpu_init(struct radeon_device *rdev)
 359{
 360        uint32_t gb_tile_config, tmp;
 361
 362        if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
 363            (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
 364                /* r300,r350 */
 365                rdev->num_gb_pipes = 2;
 366        } else {
 367                /* rv350,rv370,rv380,r300 AD, r350 AH */
 368                rdev->num_gb_pipes = 1;
 369        }
 370        rdev->num_z_pipes = 1;
 371        gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
 372        switch (rdev->num_gb_pipes) {
 373        case 2:
 374                gb_tile_config |= R300_PIPE_COUNT_R300;
 375                break;
 376        case 3:
 377                gb_tile_config |= R300_PIPE_COUNT_R420_3P;
 378                break;
 379        case 4:
 380                gb_tile_config |= R300_PIPE_COUNT_R420;
 381                break;
 382        default:
 383        case 1:
 384                gb_tile_config |= R300_PIPE_COUNT_RV350;
 385                break;
 386        }
 387        WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
 388
 389        if (r100_gui_wait_for_idle(rdev)) {
 390                pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 391        }
 392
 393        tmp = RREG32(R300_DST_PIPE_CONFIG);
 394        WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
 395
 396        WREG32(R300_RB2D_DSTCACHE_MODE,
 397               R300_DC_AUTOFLUSH_ENABLE |
 398               R300_DC_DC_DISABLE_IGNORE_PE);
 399
 400        if (r100_gui_wait_for_idle(rdev)) {
 401                pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 402        }
 403        if (r300_mc_wait_for_idle(rdev)) {
 404                pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n");
 405        }
 406        DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized\n",
 407                 rdev->num_gb_pipes, rdev->num_z_pipes);
 408}
 409
 410int r300_asic_reset(struct radeon_device *rdev, bool hard)
 411{
 412        struct r100_mc_save save;
 413        u32 status, tmp;
 414        int ret = 0;
 415
 416        status = RREG32(R_000E40_RBBM_STATUS);
 417        if (!G_000E40_GUI_ACTIVE(status)) {
 418                return 0;
 419        }
 420        r100_mc_stop(rdev, &save);
 421        status = RREG32(R_000E40_RBBM_STATUS);
 422        dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 423        /* stop CP */
 424        WREG32(RADEON_CP_CSQ_CNTL, 0);
 425        tmp = RREG32(RADEON_CP_RB_CNTL);
 426        WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
 427        WREG32(RADEON_CP_RB_RPTR_WR, 0);
 428        WREG32(RADEON_CP_RB_WPTR, 0);
 429        WREG32(RADEON_CP_RB_CNTL, tmp);
 430        /* save PCI state */
 431        pci_save_state(rdev->pdev);
 432        /* disable bus mastering */
 433        r100_bm_disable(rdev);
 434        WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
 435                                        S_0000F0_SOFT_RESET_GA(1));
 436        RREG32(R_0000F0_RBBM_SOFT_RESET);
 437        mdelay(500);
 438        WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 439        mdelay(1);
 440        status = RREG32(R_000E40_RBBM_STATUS);
 441        dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 442        /* resetting the CP seems to be problematic sometimes it end up
 443         * hard locking the computer, but it's necessary for successful
 444         * reset more test & playing is needed on R3XX/R4XX to find a
 445         * reliable (if any solution)
 446         */
 447        WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
 448        RREG32(R_0000F0_RBBM_SOFT_RESET);
 449        mdelay(500);
 450        WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
 451        mdelay(1);
 452        status = RREG32(R_000E40_RBBM_STATUS);
 453        dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
 454        /* restore PCI & busmastering */
 455        pci_restore_state(rdev->pdev);
 456        r100_enable_bm(rdev);
 457        /* Check if GPU is idle */
 458        if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
 459                dev_err(rdev->dev, "failed to reset GPU\n");
 460                ret = -1;
 461        } else
 462                dev_info(rdev->dev, "GPU reset succeed\n");
 463        r100_mc_resume(rdev, &save);
 464        return ret;
 465}
 466
 467/*
 468 * r300,r350,rv350,rv380 VRAM info
 469 */
 470void r300_mc_init(struct radeon_device *rdev)
 471{
 472        u64 base;
 473        u32 tmp;
 474
 475        /* DDR for all card after R300 & IGP */
 476        rdev->mc.vram_is_ddr = true;
 477        tmp = RREG32(RADEON_MEM_CNTL);
 478        tmp &= R300_MEM_NUM_CHANNELS_MASK;
 479        switch (tmp) {
 480        case 0: rdev->mc.vram_width = 64; break;
 481        case 1: rdev->mc.vram_width = 128; break;
 482        case 2: rdev->mc.vram_width = 256; break;
 483        default:  rdev->mc.vram_width = 128; break;
 484        }
 485        r100_vram_init_sizes(rdev);
 486        base = rdev->mc.aper_base;
 487        if (rdev->flags & RADEON_IS_IGP)
 488                base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
 489        radeon_vram_location(rdev, &rdev->mc, base);
 490        rdev->mc.gtt_base_align = 0;
 491        if (!(rdev->flags & RADEON_IS_AGP))
 492                radeon_gtt_location(rdev, &rdev->mc);
 493        radeon_update_bandwidth_info(rdev);
 494}
 495
 496void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
 497{
 498        uint32_t link_width_cntl, mask;
 499
 500        if (rdev->flags & RADEON_IS_IGP)
 501                return;
 502
 503        if (!(rdev->flags & RADEON_IS_PCIE))
 504                return;
 505
 506        /* FIXME wait for idle */
 507
 508        switch (lanes) {
 509        case 0:
 510                mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
 511                break;
 512        case 1:
 513                mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
 514                break;
 515        case 2:
 516                mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
 517                break;
 518        case 4:
 519                mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
 520                break;
 521        case 8:
 522                mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
 523                break;
 524        case 12:
 525                mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
 526                break;
 527        case 16:
 528        default:
 529                mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
 530                break;
 531        }
 532
 533        link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 534
 535        if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
 536            (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
 537                return;
 538
 539        link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
 540                             RADEON_PCIE_LC_RECONFIG_NOW |
 541                             RADEON_PCIE_LC_RECONFIG_LATER |
 542                             RADEON_PCIE_LC_SHORT_RECONFIG_EN);
 543        link_width_cntl |= mask;
 544        WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
 545        WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
 546                                                     RADEON_PCIE_LC_RECONFIG_NOW));
 547
 548        /* wait for lane set to complete */
 549        link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 550        while (link_width_cntl == 0xffffffff)
 551                link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 552
 553}
 554
 555int rv370_get_pcie_lanes(struct radeon_device *rdev)
 556{
 557        u32 link_width_cntl;
 558
 559        if (rdev->flags & RADEON_IS_IGP)
 560                return 0;
 561
 562        if (!(rdev->flags & RADEON_IS_PCIE))
 563                return 0;
 564
 565        /* FIXME wait for idle */
 566
 567        link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
 568
 569        switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
 570        case RADEON_PCIE_LC_LINK_WIDTH_X0:
 571                return 0;
 572        case RADEON_PCIE_LC_LINK_WIDTH_X1:
 573                return 1;
 574        case RADEON_PCIE_LC_LINK_WIDTH_X2:
 575                return 2;
 576        case RADEON_PCIE_LC_LINK_WIDTH_X4:
 577                return 4;
 578        case RADEON_PCIE_LC_LINK_WIDTH_X8:
 579                return 8;
 580        case RADEON_PCIE_LC_LINK_WIDTH_X16:
 581        default:
 582                return 16;
 583        }
 584}
 585
 586#if defined(CONFIG_DEBUG_FS)
 587static int rv370_debugfs_pcie_gart_info(struct seq_file *m, void *data)
 588{
 589        struct drm_info_node *node = (struct drm_info_node *) m->private;
 590        struct drm_device *dev = node->minor->dev;
 591        struct radeon_device *rdev = dev->dev_private;
 592        uint32_t tmp;
 593
 594        tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
 595        seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
 596        tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
 597        seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
 598        tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
 599        seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
 600        tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
 601        seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
 602        tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
 603        seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
 604        tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
 605        seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
 606        tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
 607        seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
 608        return 0;
 609}
 610
 611static struct drm_info_list rv370_pcie_gart_info_list[] = {
 612        {"rv370_pcie_gart_info", rv370_debugfs_pcie_gart_info, 0, NULL},
 613};
 614#endif
 615
 616static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
 617{
 618#if defined(CONFIG_DEBUG_FS)
 619        return radeon_debugfs_add_files(rdev, rv370_pcie_gart_info_list, 1);
 620#else
 621        return 0;
 622#endif
 623}
 624
 625static int r300_packet0_check(struct radeon_cs_parser *p,
 626                struct radeon_cs_packet *pkt,
 627                unsigned idx, unsigned reg)
 628{
 629        struct radeon_bo_list *reloc;
 630        struct r100_cs_track *track;
 631        volatile uint32_t *ib;
 632        uint32_t tmp, tile_flags = 0;
 633        unsigned i;
 634        int r;
 635        u32 idx_value;
 636
 637        ib = p->ib.ptr;
 638        track = (struct r100_cs_track *)p->track;
 639        idx_value = radeon_get_ib_value(p, idx);
 640
 641        switch(reg) {
 642        case AVIVO_D1MODE_VLINE_START_END:
 643        case RADEON_CRTC_GUI_TRIG_VLINE:
 644                r = r100_cs_packet_parse_vline(p);
 645                if (r) {
 646                        DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 647                                        idx, reg);
 648                        radeon_cs_dump_packet(p, pkt);
 649                        return r;
 650                }
 651                break;
 652        case RADEON_DST_PITCH_OFFSET:
 653        case RADEON_SRC_PITCH_OFFSET:
 654                r = r100_reloc_pitch_offset(p, pkt, idx, reg);
 655                if (r)
 656                        return r;
 657                break;
 658        case R300_RB3D_COLOROFFSET0:
 659        case R300_RB3D_COLOROFFSET1:
 660        case R300_RB3D_COLOROFFSET2:
 661        case R300_RB3D_COLOROFFSET3:
 662                i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
 663                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 664                if (r) {
 665                        DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 666                                        idx, reg);
 667                        radeon_cs_dump_packet(p, pkt);
 668                        return r;
 669                }
 670                track->cb[i].robj = reloc->robj;
 671                track->cb[i].offset = idx_value;
 672                track->cb_dirty = true;
 673                ib[idx] = idx_value + ((u32)reloc->gpu_offset);
 674                break;
 675        case R300_ZB_DEPTHOFFSET:
 676                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 677                if (r) {
 678                        DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 679                                        idx, reg);
 680                        radeon_cs_dump_packet(p, pkt);
 681                        return r;
 682                }
 683                track->zb.robj = reloc->robj;
 684                track->zb.offset = idx_value;
 685                track->zb_dirty = true;
 686                ib[idx] = idx_value + ((u32)reloc->gpu_offset);
 687                break;
 688        case R300_TX_OFFSET_0:
 689        case R300_TX_OFFSET_0+4:
 690        case R300_TX_OFFSET_0+8:
 691        case R300_TX_OFFSET_0+12:
 692        case R300_TX_OFFSET_0+16:
 693        case R300_TX_OFFSET_0+20:
 694        case R300_TX_OFFSET_0+24:
 695        case R300_TX_OFFSET_0+28:
 696        case R300_TX_OFFSET_0+32:
 697        case R300_TX_OFFSET_0+36:
 698        case R300_TX_OFFSET_0+40:
 699        case R300_TX_OFFSET_0+44:
 700        case R300_TX_OFFSET_0+48:
 701        case R300_TX_OFFSET_0+52:
 702        case R300_TX_OFFSET_0+56:
 703        case R300_TX_OFFSET_0+60:
 704                i = (reg - R300_TX_OFFSET_0) >> 2;
 705                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 706                if (r) {
 707                        DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 708                                        idx, reg);
 709                        radeon_cs_dump_packet(p, pkt);
 710                        return r;
 711                }
 712
 713                if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) {
 714                        ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
 715                                  ((idx_value & ~31) + (u32)reloc->gpu_offset);
 716                } else {
 717                        if (reloc->tiling_flags & RADEON_TILING_MACRO)
 718                                tile_flags |= R300_TXO_MACRO_TILE;
 719                        if (reloc->tiling_flags & RADEON_TILING_MICRO)
 720                                tile_flags |= R300_TXO_MICRO_TILE;
 721                        else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 722                                tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
 723
 724                        tmp = idx_value + ((u32)reloc->gpu_offset);
 725                        tmp |= tile_flags;
 726                        ib[idx] = tmp;
 727                }
 728                track->textures[i].robj = reloc->robj;
 729                track->tex_dirty = true;
 730                break;
 731        /* Tracked registers */
 732        case 0x2084:
 733                /* VAP_VF_CNTL */
 734                track->vap_vf_cntl = idx_value;
 735                break;
 736        case 0x20B4:
 737                /* VAP_VTX_SIZE */
 738                track->vtx_size = idx_value & 0x7F;
 739                break;
 740        case 0x2134:
 741                /* VAP_VF_MAX_VTX_INDX */
 742                track->max_indx = idx_value & 0x00FFFFFFUL;
 743                break;
 744        case 0x2088:
 745                /* VAP_ALT_NUM_VERTICES - only valid on r500 */
 746                if (p->rdev->family < CHIP_RV515)
 747                        goto fail;
 748                track->vap_alt_nverts = idx_value & 0xFFFFFF;
 749                break;
 750        case 0x43E4:
 751                /* SC_SCISSOR1 */
 752                track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
 753                if (p->rdev->family < CHIP_RV515) {
 754                        track->maxy -= 1440;
 755                }
 756                track->cb_dirty = true;
 757                track->zb_dirty = true;
 758                break;
 759        case 0x4E00:
 760                /* RB3D_CCTL */
 761                if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
 762                    p->rdev->cmask_filp != p->filp) {
 763                        DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
 764                        return -EINVAL;
 765                }
 766                track->num_cb = ((idx_value >> 5) & 0x3) + 1;
 767                track->cb_dirty = true;
 768                break;
 769        case 0x4E38:
 770        case 0x4E3C:
 771        case 0x4E40:
 772        case 0x4E44:
 773                /* RB3D_COLORPITCH0 */
 774                /* RB3D_COLORPITCH1 */
 775                /* RB3D_COLORPITCH2 */
 776                /* RB3D_COLORPITCH3 */
 777                if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
 778                        r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 779                        if (r) {
 780                                DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 781                                          idx, reg);
 782                                radeon_cs_dump_packet(p, pkt);
 783                                return r;
 784                        }
 785
 786                        if (reloc->tiling_flags & RADEON_TILING_MACRO)
 787                                tile_flags |= R300_COLOR_TILE_ENABLE;
 788                        if (reloc->tiling_flags & RADEON_TILING_MICRO)
 789                                tile_flags |= R300_COLOR_MICROTILE_ENABLE;
 790                        else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 791                                tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
 792
 793                        tmp = idx_value & ~(0x7 << 16);
 794                        tmp |= tile_flags;
 795                        ib[idx] = tmp;
 796                }
 797                i = (reg - 0x4E38) >> 2;
 798                track->cb[i].pitch = idx_value & 0x3FFE;
 799                switch (((idx_value >> 21) & 0xF)) {
 800                case 9:
 801                case 11:
 802                case 12:
 803                        track->cb[i].cpp = 1;
 804                        break;
 805                case 3:
 806                case 4:
 807                case 13:
 808                case 15:
 809                        track->cb[i].cpp = 2;
 810                        break;
 811                case 5:
 812                        if (p->rdev->family < CHIP_RV515) {
 813                                DRM_ERROR("Invalid color buffer format (%d)!\n",
 814                                          ((idx_value >> 21) & 0xF));
 815                                return -EINVAL;
 816                        }
 817                        /* Pass through. */
 818                case 6:
 819                        track->cb[i].cpp = 4;
 820                        break;
 821                case 10:
 822                        track->cb[i].cpp = 8;
 823                        break;
 824                case 7:
 825                        track->cb[i].cpp = 16;
 826                        break;
 827                default:
 828                        DRM_ERROR("Invalid color buffer format (%d) !\n",
 829                                  ((idx_value >> 21) & 0xF));
 830                        return -EINVAL;
 831                }
 832                track->cb_dirty = true;
 833                break;
 834        case 0x4F00:
 835                /* ZB_CNTL */
 836                if (idx_value & 2) {
 837                        track->z_enabled = true;
 838                } else {
 839                        track->z_enabled = false;
 840                }
 841                track->zb_dirty = true;
 842                break;
 843        case 0x4F10:
 844                /* ZB_FORMAT */
 845                switch ((idx_value & 0xF)) {
 846                case 0:
 847                case 1:
 848                        track->zb.cpp = 2;
 849                        break;
 850                case 2:
 851                        track->zb.cpp = 4;
 852                        break;
 853                default:
 854                        DRM_ERROR("Invalid z buffer format (%d) !\n",
 855                                  (idx_value & 0xF));
 856                        return -EINVAL;
 857                }
 858                track->zb_dirty = true;
 859                break;
 860        case 0x4F24:
 861                /* ZB_DEPTHPITCH */
 862                if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
 863                        r = radeon_cs_packet_next_reloc(p, &reloc, 0);
 864                        if (r) {
 865                                DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
 866                                          idx, reg);
 867                                radeon_cs_dump_packet(p, pkt);
 868                                return r;
 869                        }
 870
 871                        if (reloc->tiling_flags & RADEON_TILING_MACRO)
 872                                tile_flags |= R300_DEPTHMACROTILE_ENABLE;
 873                        if (reloc->tiling_flags & RADEON_TILING_MICRO)
 874                                tile_flags |= R300_DEPTHMICROTILE_TILED;
 875                        else if (reloc->tiling_flags & RADEON_TILING_MICRO_SQUARE)
 876                                tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
 877
 878                        tmp = idx_value & ~(0x7 << 16);
 879                        tmp |= tile_flags;
 880                        ib[idx] = tmp;
 881                }
 882                track->zb.pitch = idx_value & 0x3FFC;
 883                track->zb_dirty = true;
 884                break;
 885        case 0x4104:
 886                /* TX_ENABLE */
 887                for (i = 0; i < 16; i++) {
 888                        bool enabled;
 889
 890                        enabled = !!(idx_value & (1 << i));
 891                        track->textures[i].enabled = enabled;
 892                }
 893                track->tex_dirty = true;
 894                break;
 895        case 0x44C0:
 896        case 0x44C4:
 897        case 0x44C8:
 898        case 0x44CC:
 899        case 0x44D0:
 900        case 0x44D4:
 901        case 0x44D8:
 902        case 0x44DC:
 903        case 0x44E0:
 904        case 0x44E4:
 905        case 0x44E8:
 906        case 0x44EC:
 907        case 0x44F0:
 908        case 0x44F4:
 909        case 0x44F8:
 910        case 0x44FC:
 911                /* TX_FORMAT1_[0-15] */
 912                i = (reg - 0x44C0) >> 2;
 913                tmp = (idx_value >> 25) & 0x3;
 914                track->textures[i].tex_coord_type = tmp;
 915                switch ((idx_value & 0x1F)) {
 916                case R300_TX_FORMAT_X8:
 917                case R300_TX_FORMAT_Y4X4:
 918                case R300_TX_FORMAT_Z3Y3X2:
 919                        track->textures[i].cpp = 1;
 920                        track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 921                        break;
 922                case R300_TX_FORMAT_X16:
 923                case R300_TX_FORMAT_FL_I16:
 924                case R300_TX_FORMAT_Y8X8:
 925                case R300_TX_FORMAT_Z5Y6X5:
 926                case R300_TX_FORMAT_Z6Y5X5:
 927                case R300_TX_FORMAT_W4Z4Y4X4:
 928                case R300_TX_FORMAT_W1Z5Y5X5:
 929                case R300_TX_FORMAT_D3DMFT_CxV8U8:
 930                case R300_TX_FORMAT_B8G8_B8G8:
 931                case R300_TX_FORMAT_G8R8_G8B8:
 932                        track->textures[i].cpp = 2;
 933                        track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 934                        break;
 935                case R300_TX_FORMAT_Y16X16:
 936                case R300_TX_FORMAT_FL_I16A16:
 937                case R300_TX_FORMAT_Z11Y11X10:
 938                case R300_TX_FORMAT_Z10Y11X11:
 939                case R300_TX_FORMAT_W8Z8Y8X8:
 940                case R300_TX_FORMAT_W2Z10Y10X10:
 941                case 0x17:
 942                case R300_TX_FORMAT_FL_I32:
 943                case 0x1e:
 944                        track->textures[i].cpp = 4;
 945                        track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 946                        break;
 947                case R300_TX_FORMAT_W16Z16Y16X16:
 948                case R300_TX_FORMAT_FL_R16G16B16A16:
 949                case R300_TX_FORMAT_FL_I32A32:
 950                        track->textures[i].cpp = 8;
 951                        track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 952                        break;
 953                case R300_TX_FORMAT_FL_R32G32B32A32:
 954                        track->textures[i].cpp = 16;
 955                        track->textures[i].compress_format = R100_TRACK_COMP_NONE;
 956                        break;
 957                case R300_TX_FORMAT_DXT1:
 958                        track->textures[i].cpp = 1;
 959                        track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
 960                        break;
 961                case R300_TX_FORMAT_ATI2N:
 962                        if (p->rdev->family < CHIP_R420) {
 963                                DRM_ERROR("Invalid texture format %u\n",
 964                                          (idx_value & 0x1F));
 965                                return -EINVAL;
 966                        }
 967                        /* The same rules apply as for DXT3/5. */
 968                        /* Pass through. */
 969                case R300_TX_FORMAT_DXT3:
 970                case R300_TX_FORMAT_DXT5:
 971                        track->textures[i].cpp = 1;
 972                        track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
 973                        break;
 974                default:
 975                        DRM_ERROR("Invalid texture format %u\n",
 976                                  (idx_value & 0x1F));
 977                        return -EINVAL;
 978                }
 979                track->tex_dirty = true;
 980                break;
 981        case 0x4400:
 982        case 0x4404:
 983        case 0x4408:
 984        case 0x440C:
 985        case 0x4410:
 986        case 0x4414:
 987        case 0x4418:
 988        case 0x441C:
 989        case 0x4420:
 990        case 0x4424:
 991        case 0x4428:
 992        case 0x442C:
 993        case 0x4430:
 994        case 0x4434:
 995        case 0x4438:
 996        case 0x443C:
 997                /* TX_FILTER0_[0-15] */
 998                i = (reg - 0x4400) >> 2;
 999                tmp = idx_value & 0x7;
1000                if (tmp == 2 || tmp == 4 || tmp == 6) {
1001                        track->textures[i].roundup_w = false;
1002                }
1003                tmp = (idx_value >> 3) & 0x7;
1004                if (tmp == 2 || tmp == 4 || tmp == 6) {
1005                        track->textures[i].roundup_h = false;
1006                }
1007                track->tex_dirty = true;
1008                break;
1009        case 0x4500:
1010        case 0x4504:
1011        case 0x4508:
1012        case 0x450C:
1013        case 0x4510:
1014        case 0x4514:
1015        case 0x4518:
1016        case 0x451C:
1017        case 0x4520:
1018        case 0x4524:
1019        case 0x4528:
1020        case 0x452C:
1021        case 0x4530:
1022        case 0x4534:
1023        case 0x4538:
1024        case 0x453C:
1025                /* TX_FORMAT2_[0-15] */
1026                i = (reg - 0x4500) >> 2;
1027                tmp = idx_value & 0x3FFF;
1028                track->textures[i].pitch = tmp + 1;
1029                if (p->rdev->family >= CHIP_RV515) {
1030                        tmp = ((idx_value >> 15) & 1) << 11;
1031                        track->textures[i].width_11 = tmp;
1032                        tmp = ((idx_value >> 16) & 1) << 11;
1033                        track->textures[i].height_11 = tmp;
1034
1035                        /* ATI1N */
1036                        if (idx_value & (1 << 14)) {
1037                                /* The same rules apply as for DXT1. */
1038                                track->textures[i].compress_format =
1039                                        R100_TRACK_COMP_DXT1;
1040                        }
1041                } else if (idx_value & (1 << 14)) {
1042                        DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1043                        return -EINVAL;
1044                }
1045                track->tex_dirty = true;
1046                break;
1047        case 0x4480:
1048        case 0x4484:
1049        case 0x4488:
1050        case 0x448C:
1051        case 0x4490:
1052        case 0x4494:
1053        case 0x4498:
1054        case 0x449C:
1055        case 0x44A0:
1056        case 0x44A4:
1057        case 0x44A8:
1058        case 0x44AC:
1059        case 0x44B0:
1060        case 0x44B4:
1061        case 0x44B8:
1062        case 0x44BC:
1063                /* TX_FORMAT0_[0-15] */
1064                i = (reg - 0x4480) >> 2;
1065                tmp = idx_value & 0x7FF;
1066                track->textures[i].width = tmp + 1;
1067                tmp = (idx_value >> 11) & 0x7FF;
1068                track->textures[i].height = tmp + 1;
1069                tmp = (idx_value >> 26) & 0xF;
1070                track->textures[i].num_levels = tmp;
1071                tmp = idx_value & (1 << 31);
1072                track->textures[i].use_pitch = !!tmp;
1073                tmp = (idx_value >> 22) & 0xF;
1074                track->textures[i].txdepth = tmp;
1075                track->tex_dirty = true;
1076                break;
1077        case R300_ZB_ZPASS_ADDR:
1078                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1079                if (r) {
1080                        DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1081                                        idx, reg);
1082                        radeon_cs_dump_packet(p, pkt);
1083                        return r;
1084                }
1085                ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1086                break;
1087        case 0x4e0c:
1088                /* RB3D_COLOR_CHANNEL_MASK */
1089                track->color_channel_mask = idx_value;
1090                track->cb_dirty = true;
1091                break;
1092        case 0x43a4:
1093                /* SC_HYPERZ_EN */
1094                /* r300c emits this register - we need to disable hyperz for it
1095                 * without complaining */
1096                if (p->rdev->hyperz_filp != p->filp) {
1097                        if (idx_value & 0x1)
1098                                ib[idx] = idx_value & ~1;
1099                }
1100                break;
1101        case 0x4f1c:
1102                /* ZB_BW_CNTL */
1103                track->zb_cb_clear = !!(idx_value & (1 << 5));
1104                track->cb_dirty = true;
1105                track->zb_dirty = true;
1106                if (p->rdev->hyperz_filp != p->filp) {
1107                        if (idx_value & (R300_HIZ_ENABLE |
1108                                         R300_RD_COMP_ENABLE |
1109                                         R300_WR_COMP_ENABLE |
1110                                         R300_FAST_FILL_ENABLE))
1111                                goto fail;
1112                }
1113                break;
1114        case 0x4e04:
1115                /* RB3D_BLENDCNTL */
1116                track->blend_read_enable = !!(idx_value & (1 << 2));
1117                track->cb_dirty = true;
1118                break;
1119        case R300_RB3D_AARESOLVE_OFFSET:
1120                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1121                if (r) {
1122                        DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1123                                  idx, reg);
1124                        radeon_cs_dump_packet(p, pkt);
1125                        return r;
1126                }
1127                track->aa.robj = reloc->robj;
1128                track->aa.offset = idx_value;
1129                track->aa_dirty = true;
1130                ib[idx] = idx_value + ((u32)reloc->gpu_offset);
1131                break;
1132        case R300_RB3D_AARESOLVE_PITCH:
1133                track->aa.pitch = idx_value & 0x3FFE;
1134                track->aa_dirty = true;
1135                break;
1136        case R300_RB3D_AARESOLVE_CTL:
1137                track->aaresolve = idx_value & 0x1;
1138                track->aa_dirty = true;
1139                break;
1140        case 0x4f30: /* ZB_MASK_OFFSET */
1141        case 0x4f34: /* ZB_ZMASK_PITCH */
1142        case 0x4f44: /* ZB_HIZ_OFFSET */
1143        case 0x4f54: /* ZB_HIZ_PITCH */
1144                if (idx_value && (p->rdev->hyperz_filp != p->filp))
1145                        goto fail;
1146                break;
1147        case 0x4028:
1148                if (idx_value && (p->rdev->hyperz_filp != p->filp))
1149                        goto fail;
1150                /* GB_Z_PEQ_CONFIG */
1151                if (p->rdev->family >= CHIP_RV350)
1152                        break;
1153                goto fail;
1154                break;
1155        case 0x4be8:
1156                /* valid register only on RV530 */
1157                if (p->rdev->family == CHIP_RV530)
1158                        break;
1159                /* fallthrough do not move */
1160        default:
1161                goto fail;
1162        }
1163        return 0;
1164fail:
1165        pr_err("Forbidden register 0x%04X in cs at %d (val=%08x)\n",
1166               reg, idx, idx_value);
1167        return -EINVAL;
1168}
1169
1170static int r300_packet3_check(struct radeon_cs_parser *p,
1171                              struct radeon_cs_packet *pkt)
1172{
1173        struct radeon_bo_list *reloc;
1174        struct r100_cs_track *track;
1175        volatile uint32_t *ib;
1176        unsigned idx;
1177        int r;
1178
1179        ib = p->ib.ptr;
1180        idx = pkt->idx + 1;
1181        track = (struct r100_cs_track *)p->track;
1182        switch(pkt->opcode) {
1183        case PACKET3_3D_LOAD_VBPNTR:
1184                r = r100_packet3_load_vbpntr(p, pkt, idx);
1185                if (r)
1186                        return r;
1187                break;
1188        case PACKET3_INDX_BUFFER:
1189                r = radeon_cs_packet_next_reloc(p, &reloc, 0);
1190                if (r) {
1191                        DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1192                        radeon_cs_dump_packet(p, pkt);
1193                        return r;
1194                }
1195                ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->gpu_offset);
1196                r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1197                if (r) {
1198                        return r;
1199                }
1200                break;
1201        /* Draw packet */
1202        case PACKET3_3D_DRAW_IMMD:
1203                /* Number of dwords is vtx_size * (num_vertices - 1)
1204                 * PRIM_WALK must be equal to 3 vertex data in embedded
1205                 * in cmd stream */
1206                if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1207                        DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1208                        return -EINVAL;
1209                }
1210                track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1211                track->immd_dwords = pkt->count - 1;
1212                r = r100_cs_track_check(p->rdev, track);
1213                if (r) {
1214                        return r;
1215                }
1216                break;
1217        case PACKET3_3D_DRAW_IMMD_2:
1218                /* Number of dwords is vtx_size * (num_vertices - 1)
1219                 * PRIM_WALK must be equal to 3 vertex data in embedded
1220                 * in cmd stream */
1221                if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1222                        DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1223                        return -EINVAL;
1224                }
1225                track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1226                track->immd_dwords = pkt->count;
1227                r = r100_cs_track_check(p->rdev, track);
1228                if (r) {
1229                        return r;
1230                }
1231                break;
1232        case PACKET3_3D_DRAW_VBUF:
1233                track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1234                r = r100_cs_track_check(p->rdev, track);
1235                if (r) {
1236                        return r;
1237                }
1238                break;
1239        case PACKET3_3D_DRAW_VBUF_2:
1240                track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1241                r = r100_cs_track_check(p->rdev, track);
1242                if (r) {
1243                        return r;
1244                }
1245                break;
1246        case PACKET3_3D_DRAW_INDX:
1247                track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1248                r = r100_cs_track_check(p->rdev, track);
1249                if (r) {
1250                        return r;
1251                }
1252                break;
1253        case PACKET3_3D_DRAW_INDX_2:
1254                track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1255                r = r100_cs_track_check(p->rdev, track);
1256                if (r) {
1257                        return r;
1258                }
1259                break;
1260        case PACKET3_3D_CLEAR_HIZ:
1261        case PACKET3_3D_CLEAR_ZMASK:
1262                if (p->rdev->hyperz_filp != p->filp)
1263                        return -EINVAL;
1264                break;
1265        case PACKET3_3D_CLEAR_CMASK:
1266                if (p->rdev->cmask_filp != p->filp)
1267                        return -EINVAL;
1268                break;
1269        case PACKET3_NOP:
1270                break;
1271        default:
1272                DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1273                return -EINVAL;
1274        }
1275        return 0;
1276}
1277
1278int r300_cs_parse(struct radeon_cs_parser *p)
1279{
1280        struct radeon_cs_packet pkt;
1281        struct r100_cs_track *track;
1282        int r;
1283
1284        track = kzalloc(sizeof(*track), GFP_KERNEL);
1285        if (track == NULL)
1286                return -ENOMEM;
1287        r100_cs_track_clear(p->rdev, track);
1288        p->track = track;
1289        do {
1290                r = radeon_cs_packet_parse(p, &pkt, p->idx);
1291                if (r) {
1292                        return r;
1293                }
1294                p->idx += pkt.count + 2;
1295                switch (pkt.type) {
1296                case RADEON_PACKET_TYPE0:
1297                        r = r100_cs_parse_packet0(p, &pkt,
1298                                                  p->rdev->config.r300.reg_safe_bm,
1299                                                  p->rdev->config.r300.reg_safe_bm_size,
1300                                                  &r300_packet0_check);
1301                        break;
1302                case RADEON_PACKET_TYPE2:
1303                        break;
1304                case RADEON_PACKET_TYPE3:
1305                        r = r300_packet3_check(p, &pkt);
1306                        break;
1307                default:
1308                        DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1309                        return -EINVAL;
1310                }
1311                if (r) {
1312                        return r;
1313                }
1314        } while (p->idx < p->chunk_ib->length_dw);
1315        return 0;
1316}
1317
1318void r300_set_reg_safe(struct radeon_device *rdev)
1319{
1320        rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1321        rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1322}
1323
1324void r300_mc_program(struct radeon_device *rdev)
1325{
1326        struct r100_mc_save save;
1327        int r;
1328
1329        r = r100_debugfs_mc_info_init(rdev);
1330        if (r) {
1331                dev_err(rdev->dev, "Failed to create r100_mc debugfs file.\n");
1332        }
1333
1334        /* Stops all mc clients */
1335        r100_mc_stop(rdev, &save);
1336        if (rdev->flags & RADEON_IS_AGP) {
1337                WREG32(R_00014C_MC_AGP_LOCATION,
1338                        S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1339                        S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1340                WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1341                WREG32(R_00015C_AGP_BASE_2,
1342                        upper_32_bits(rdev->mc.agp_base) & 0xff);
1343        } else {
1344                WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1345                WREG32(R_000170_AGP_BASE, 0);
1346                WREG32(R_00015C_AGP_BASE_2, 0);
1347        }
1348        /* Wait for mc idle */
1349        if (r300_mc_wait_for_idle(rdev))
1350                DRM_INFO("Failed to wait MC idle before programming MC.\n");
1351        /* Program MC, should be a 32bits limited address space */
1352        WREG32(R_000148_MC_FB_LOCATION,
1353                S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1354                S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1355        r100_mc_resume(rdev, &save);
1356}
1357
1358void r300_clock_startup(struct radeon_device *rdev)
1359{
1360        u32 tmp;
1361
1362        if (radeon_dynclks != -1 && radeon_dynclks)
1363                radeon_legacy_set_clock_gating(rdev, 1);
1364        /* We need to force on some of the block */
1365        tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1366        tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1367        if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1368                tmp |= S_00000D_FORCE_VAP(1);
1369        WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1370}
1371
1372static int r300_startup(struct radeon_device *rdev)
1373{
1374        int r;
1375
1376        /* set common regs */
1377        r100_set_common_regs(rdev);
1378        /* program mc */
1379        r300_mc_program(rdev);
1380        /* Resume clock */
1381        r300_clock_startup(rdev);
1382        /* Initialize GPU configuration (# pipes, ...) */
1383        r300_gpu_init(rdev);
1384        /* Initialize GART (initialize after TTM so we can allocate
1385         * memory through TTM but finalize after TTM) */
1386        if (rdev->flags & RADEON_IS_PCIE) {
1387                r = rv370_pcie_gart_enable(rdev);
1388                if (r)
1389                        return r;
1390        }
1391
1392        if (rdev->family == CHIP_R300 ||
1393            rdev->family == CHIP_R350 ||
1394            rdev->family == CHIP_RV350)
1395                r100_enable_bm(rdev);
1396
1397        if (rdev->flags & RADEON_IS_PCI) {
1398                r = r100_pci_gart_enable(rdev);
1399                if (r)
1400                        return r;
1401        }
1402
1403        /* allocate wb buffer */
1404        r = radeon_wb_init(rdev);
1405        if (r)
1406                return r;
1407
1408        r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1409        if (r) {
1410                dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1411                return r;
1412        }
1413
1414        /* Enable IRQ */
1415        if (!rdev->irq.installed) {
1416                r = radeon_irq_kms_init(rdev);
1417                if (r)
1418                        return r;
1419        }
1420
1421        r100_irq_set(rdev);
1422        rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1423        /* 1M ring buffer */
1424        r = r100_cp_init(rdev, 1024 * 1024);
1425        if (r) {
1426                dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1427                return r;
1428        }
1429
1430        r = radeon_ib_pool_init(rdev);
1431        if (r) {
1432                dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1433                return r;
1434        }
1435
1436        return 0;
1437}
1438
1439int r300_resume(struct radeon_device *rdev)
1440{
1441        int r;
1442
1443        /* Make sur GART are not working */
1444        if (rdev->flags & RADEON_IS_PCIE)
1445                rv370_pcie_gart_disable(rdev);
1446        if (rdev->flags & RADEON_IS_PCI)
1447                r100_pci_gart_disable(rdev);
1448        /* Resume clock before doing reset */
1449        r300_clock_startup(rdev);
1450        /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1451        if (radeon_asic_reset(rdev)) {
1452                dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1453                        RREG32(R_000E40_RBBM_STATUS),
1454                        RREG32(R_0007C0_CP_STAT));
1455        }
1456        /* post */
1457        radeon_combios_asic_init(rdev->ddev);
1458        /* Resume clock after posting */
1459        r300_clock_startup(rdev);
1460        /* Initialize surface registers */
1461        radeon_surface_init(rdev);
1462
1463        rdev->accel_working = true;
1464        r = r300_startup(rdev);
1465        if (r) {
1466                rdev->accel_working = false;
1467        }
1468        return r;
1469}
1470
1471int r300_suspend(struct radeon_device *rdev)
1472{
1473        radeon_pm_suspend(rdev);
1474        r100_cp_disable(rdev);
1475        radeon_wb_disable(rdev);
1476        r100_irq_disable(rdev);
1477        if (rdev->flags & RADEON_IS_PCIE)
1478                rv370_pcie_gart_disable(rdev);
1479        if (rdev->flags & RADEON_IS_PCI)
1480                r100_pci_gart_disable(rdev);
1481        return 0;
1482}
1483
1484void r300_fini(struct radeon_device *rdev)
1485{
1486        radeon_pm_fini(rdev);
1487        r100_cp_fini(rdev);
1488        radeon_wb_fini(rdev);
1489        radeon_ib_pool_fini(rdev);
1490        radeon_gem_fini(rdev);
1491        if (rdev->flags & RADEON_IS_PCIE)
1492                rv370_pcie_gart_fini(rdev);
1493        if (rdev->flags & RADEON_IS_PCI)
1494                r100_pci_gart_fini(rdev);
1495        radeon_agp_fini(rdev);
1496        radeon_irq_kms_fini(rdev);
1497        radeon_fence_driver_fini(rdev);
1498        radeon_bo_fini(rdev);
1499        radeon_atombios_fini(rdev);
1500        kfree(rdev->bios);
1501        rdev->bios = NULL;
1502}
1503
1504int r300_init(struct radeon_device *rdev)
1505{
1506        int r;
1507
1508        /* Disable VGA */
1509        r100_vga_render_disable(rdev);
1510        /* Initialize scratch registers */
1511        radeon_scratch_init(rdev);
1512        /* Initialize surface registers */
1513        radeon_surface_init(rdev);
1514        /* TODO: disable VGA need to use VGA request */
1515        /* restore some register to sane defaults */
1516        r100_restore_sanity(rdev);
1517        /* BIOS*/
1518        if (!radeon_get_bios(rdev)) {
1519                if (ASIC_IS_AVIVO(rdev))
1520                        return -EINVAL;
1521        }
1522        if (rdev->is_atom_bios) {
1523                dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1524                return -EINVAL;
1525        } else {
1526                r = radeon_combios_init(rdev);
1527                if (r)
1528                        return r;
1529        }
1530        /* Reset gpu before posting otherwise ATOM will enter infinite loop */
1531        if (radeon_asic_reset(rdev)) {
1532                dev_warn(rdev->dev,
1533                        "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1534                        RREG32(R_000E40_RBBM_STATUS),
1535                        RREG32(R_0007C0_CP_STAT));
1536        }
1537        /* check if cards are posted or not */
1538        if (radeon_boot_test_post_card(rdev) == false)
1539                return -EINVAL;
1540        /* Set asic errata */
1541        r300_errata(rdev);
1542        /* Initialize clocks */
1543        radeon_get_clock_info(rdev->ddev);
1544        /* initialize AGP */
1545        if (rdev->flags & RADEON_IS_AGP) {
1546                r = radeon_agp_init(rdev);
1547                if (r) {
1548                        radeon_agp_disable(rdev);
1549                }
1550        }
1551        /* initialize memory controller */
1552        r300_mc_init(rdev);
1553        /* Fence driver */
1554        r = radeon_fence_driver_init(rdev);
1555        if (r)
1556                return r;
1557        /* Memory manager */
1558        r = radeon_bo_init(rdev);
1559        if (r)
1560                return r;
1561        if (rdev->flags & RADEON_IS_PCIE) {
1562                r = rv370_pcie_gart_init(rdev);
1563                if (r)
1564                        return r;
1565        }
1566        if (rdev->flags & RADEON_IS_PCI) {
1567                r = r100_pci_gart_init(rdev);
1568                if (r)
1569                        return r;
1570        }
1571        r300_set_reg_safe(rdev);
1572
1573        /* Initialize power management */
1574        radeon_pm_init(rdev);
1575
1576        rdev->accel_working = true;
1577        r = r300_startup(rdev);
1578        if (r) {
1579                /* Something went wrong with the accel init, so stop accel */
1580                dev_err(rdev->dev, "Disabling GPU acceleration\n");
1581                r100_cp_fini(rdev);
1582                radeon_wb_fini(rdev);
1583                radeon_ib_pool_fini(rdev);
1584                radeon_irq_kms_fini(rdev);
1585                if (rdev->flags & RADEON_IS_PCIE)
1586                        rv370_pcie_gart_fini(rdev);
1587                if (rdev->flags & RADEON_IS_PCI)
1588                        r100_pci_gart_fini(rdev);
1589                radeon_agp_fini(rdev);
1590                rdev->accel_working = false;
1591        }
1592        return 0;
1593}
1594