The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/drm/r600_cp.c

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    1 /*-
    2  * Copyright 2008-2009 Advanced Micro Devices, Inc.
    3  * Copyright 2008 Red Hat Inc.
    4  *
    5  * Permission is hereby granted, free of charge, to any person obtaining a
    6  * copy of this software and associated documentation files (the "Software"),
    7  * to deal in the Software without restriction, including without limitation
    8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
    9  * and/or sell copies of the Software, and to permit persons to whom the
   10  * Software is furnished to do so, subject to the following conditions:
   11  *
   12  * The above copyright notice and this permission notice (including the next
   13  * paragraph) shall be included in all copies or substantial portions of the
   14  * 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) AND/OR ITS SUPPLIERS 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 OTHER
   22  * DEALINGS IN THE SOFTWARE.
   23  *
   24  * Authors:
   25  *     Dave Airlie <airlied@redhat.com>
   26  *     Alex Deucher <alexander.deucher@amd.com>
   27  */
   28 
   29 #include <sys/cdefs.h>
   30 __FBSDID("$FreeBSD: releng/9.0/sys/dev/drm/r600_cp.c 207069 2010-04-22 18:47:30Z rnoland $");
   31 
   32 #include "dev/drm/drmP.h"
   33 #include "dev/drm/drm.h"
   34 #include "dev/drm/radeon_drm.h"
   35 #include "dev/drm/radeon_drv.h"
   36 
   37 #include "dev/drm/r600_microcode.h"
   38 
   39 # define ATI_PCIGART_PAGE_SIZE          4096    /**< PCI GART page size */
   40 # define ATI_PCIGART_PAGE_MASK          (~(ATI_PCIGART_PAGE_SIZE-1))
   41 
   42 #define R600_PTE_VALID     (1 << 0)
   43 #define R600_PTE_SYSTEM    (1 << 1)
   44 #define R600_PTE_SNOOPED   (1 << 2)
   45 #define R600_PTE_READABLE  (1 << 5)
   46 #define R600_PTE_WRITEABLE (1 << 6)
   47 
   48 /* MAX values used for gfx init */
   49 #define R6XX_MAX_SH_GPRS           256
   50 #define R6XX_MAX_TEMP_GPRS         16
   51 #define R6XX_MAX_SH_THREADS        256
   52 #define R6XX_MAX_SH_STACK_ENTRIES  4096
   53 #define R6XX_MAX_BACKENDS          8
   54 #define R6XX_MAX_BACKENDS_MASK     0xff
   55 #define R6XX_MAX_SIMDS             8
   56 #define R6XX_MAX_SIMDS_MASK        0xff
   57 #define R6XX_MAX_PIPES             8
   58 #define R6XX_MAX_PIPES_MASK        0xff
   59 
   60 #define R7XX_MAX_SH_GPRS           256
   61 #define R7XX_MAX_TEMP_GPRS         16
   62 #define R7XX_MAX_SH_THREADS        256
   63 #define R7XX_MAX_SH_STACK_ENTRIES  4096
   64 #define R7XX_MAX_BACKENDS          8
   65 #define R7XX_MAX_BACKENDS_MASK     0xff
   66 #define R7XX_MAX_SIMDS             16
   67 #define R7XX_MAX_SIMDS_MASK        0xffff
   68 #define R7XX_MAX_PIPES             8
   69 #define R7XX_MAX_PIPES_MASK        0xff
   70 
   71 static int r600_do_wait_for_fifo(drm_radeon_private_t *dev_priv, int entries)
   72 {
   73         int i;
   74 
   75         dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
   76 
   77         for (i = 0; i < dev_priv->usec_timeout; i++) {
   78                 int slots;
   79                 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
   80                         slots = (RADEON_READ(R600_GRBM_STATUS)
   81                                  & R700_CMDFIFO_AVAIL_MASK);
   82                 else
   83                         slots = (RADEON_READ(R600_GRBM_STATUS)
   84                                  & R600_CMDFIFO_AVAIL_MASK);
   85                 if (slots >= entries)
   86                         return 0;
   87                 DRM_UDELAY(1);
   88         }
   89         DRM_INFO("wait for fifo failed status : 0x%08X 0x%08X\n",
   90                  RADEON_READ(R600_GRBM_STATUS),
   91                  RADEON_READ(R600_GRBM_STATUS2));
   92 
   93         return -EBUSY;
   94 }
   95 
   96 static int r600_do_wait_for_idle(drm_radeon_private_t *dev_priv)
   97 {
   98         int i, ret;
   99 
  100         dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
  101 
  102         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
  103                 ret = r600_do_wait_for_fifo(dev_priv, 8);
  104         else
  105                 ret = r600_do_wait_for_fifo(dev_priv, 16);
  106         if (ret)
  107                 return ret;
  108         for (i = 0; i < dev_priv->usec_timeout; i++) {
  109                 if (!(RADEON_READ(R600_GRBM_STATUS) & R600_GUI_ACTIVE))
  110                         return 0;
  111                 DRM_UDELAY(1);
  112         }
  113         DRM_INFO("wait idle failed status : 0x%08X 0x%08X\n",
  114                  RADEON_READ(R600_GRBM_STATUS),
  115                  RADEON_READ(R600_GRBM_STATUS2));
  116 
  117         return -EBUSY;
  118 }
  119 
  120 void r600_page_table_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info)
  121 {
  122 #ifdef __linux__
  123         struct drm_sg_mem *entry = dev->sg;
  124         int max_pages;
  125         int pages;
  126         int i;
  127 #endif
  128         if (gart_info->bus_addr) {
  129 #ifdef __linux__
  130                 max_pages = (gart_info->table_size / sizeof(u32));
  131                 pages = (entry->pages <= max_pages)
  132                   ? entry->pages : max_pages;
  133 
  134                 for (i = 0; i < pages; i++) {
  135                         if (!entry->busaddr[i])
  136                                 break;
  137                         pci_unmap_single(dev->pdev, entry->busaddr[i],
  138                                          PAGE_SIZE, PCI_DMA_TODEVICE);
  139                 }
  140 #endif
  141                 if (gart_info->gart_table_location == DRM_ATI_GART_MAIN)
  142                         gart_info->bus_addr = 0;
  143         }
  144 }
  145 
  146 /* R600 has page table setup */
  147 int r600_page_table_init(struct drm_device *dev)
  148 {
  149         drm_radeon_private_t *dev_priv = dev->dev_private;
  150         struct drm_ati_pcigart_info *gart_info = &dev_priv->gart_info;
  151         struct drm_sg_mem *entry = dev->sg;
  152         int ret = 0;
  153         int i, j;
  154         int max_pages, pages;
  155         u64 *pci_gart, page_base;
  156         dma_addr_t entry_addr;
  157 
  158         /* okay page table is available - lets rock */
  159 
  160         /* PTEs are 64-bits */
  161         pci_gart = (u64 *)gart_info->addr;
  162 
  163         max_pages = (gart_info->table_size / sizeof(u64));
  164         pages = (entry->pages <= max_pages) ? entry->pages : max_pages;
  165 
  166         memset(pci_gart, 0, max_pages * sizeof(u64));
  167 
  168         for (i = 0; i < pages; i++) {
  169 #ifdef __linux__
  170                 entry->busaddr[i] = pci_map_single(dev->pdev,
  171                                                    page_address(entry->
  172                                                                 pagelist[i]),
  173                                                    PAGE_SIZE, PCI_DMA_TODEVICE);
  174                 if (entry->busaddr[i] == 0) {
  175                         DRM_ERROR("unable to map PCIGART pages!\n");
  176                         r600_page_table_cleanup(dev, gart_info);
  177                         goto done;
  178                 }
  179 #endif
  180                 entry_addr = entry->busaddr[i];
  181                 for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) {
  182                         page_base = (u64) entry_addr & ATI_PCIGART_PAGE_MASK;
  183                         page_base |= R600_PTE_VALID | R600_PTE_SYSTEM;
  184                         page_base |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
  185 
  186                         *pci_gart = page_base;
  187 
  188                         if ((i % 128) == 0)
  189                                 DRM_DEBUG("page entry %d: 0x%016llx\n",
  190                                     i, (unsigned long long)page_base);
  191                         pci_gart++;
  192                         entry_addr += ATI_PCIGART_PAGE_SIZE;
  193                 }
  194         }
  195         ret = 1;
  196 #ifdef __linux__
  197 done:
  198 #endif
  199         return ret;
  200 }
  201 
  202 static void r600_vm_flush_gart_range(struct drm_device *dev)
  203 {
  204         drm_radeon_private_t *dev_priv = dev->dev_private;
  205         u32 resp, countdown = 1000;
  206         RADEON_WRITE(R600_VM_CONTEXT0_INVALIDATION_LOW_ADDR, dev_priv->gart_vm_start >> 12);
  207         RADEON_WRITE(R600_VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
  208         RADEON_WRITE(R600_VM_CONTEXT0_REQUEST_RESPONSE, 2);
  209 
  210         do {
  211                 resp = RADEON_READ(R600_VM_CONTEXT0_REQUEST_RESPONSE);
  212                 countdown--;
  213                 DRM_UDELAY(1);
  214         } while (((resp & 0xf0) == 0) && countdown);
  215 }
  216 
  217 static void r600_vm_init(struct drm_device *dev)
  218 {
  219         drm_radeon_private_t *dev_priv = dev->dev_private;
  220         /* initialise the VM to use the page table we constructed up there */
  221         u32 vm_c0, i;
  222         u32 mc_rd_a;
  223         u32 vm_l2_cntl, vm_l2_cntl3;
  224         /* okay set up the PCIE aperture type thingo */
  225         RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_LOW_ADDR, dev_priv->gart_vm_start >> 12);
  226         RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
  227         RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
  228 
  229         /* setup MC RD a */
  230         mc_rd_a = R600_MCD_L1_TLB | R600_MCD_L1_FRAG_PROC | R600_MCD_SYSTEM_ACCESS_MODE_IN_SYS |
  231                 R600_MCD_SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU | R600_MCD_EFFECTIVE_L1_TLB_SIZE(5) |
  232                 R600_MCD_EFFECTIVE_L1_QUEUE_SIZE(5) | R600_MCD_WAIT_L2_QUERY;
  233 
  234         RADEON_WRITE(R600_MCD_RD_A_CNTL, mc_rd_a);
  235         RADEON_WRITE(R600_MCD_RD_B_CNTL, mc_rd_a);
  236 
  237         RADEON_WRITE(R600_MCD_WR_A_CNTL, mc_rd_a);
  238         RADEON_WRITE(R600_MCD_WR_B_CNTL, mc_rd_a);
  239 
  240         RADEON_WRITE(R600_MCD_RD_GFX_CNTL, mc_rd_a);
  241         RADEON_WRITE(R600_MCD_WR_GFX_CNTL, mc_rd_a);
  242 
  243         RADEON_WRITE(R600_MCD_RD_SYS_CNTL, mc_rd_a);
  244         RADEON_WRITE(R600_MCD_WR_SYS_CNTL, mc_rd_a);
  245 
  246         RADEON_WRITE(R600_MCD_RD_HDP_CNTL, mc_rd_a | R600_MCD_L1_STRICT_ORDERING);
  247         RADEON_WRITE(R600_MCD_WR_HDP_CNTL, mc_rd_a /*| R600_MCD_L1_STRICT_ORDERING*/);
  248 
  249         RADEON_WRITE(R600_MCD_RD_PDMA_CNTL, mc_rd_a);
  250         RADEON_WRITE(R600_MCD_WR_PDMA_CNTL, mc_rd_a);
  251 
  252         RADEON_WRITE(R600_MCD_RD_SEM_CNTL, mc_rd_a | R600_MCD_SEMAPHORE_MODE);
  253         RADEON_WRITE(R600_MCD_WR_SEM_CNTL, mc_rd_a);
  254 
  255         vm_l2_cntl = R600_VM_L2_CACHE_EN | R600_VM_L2_FRAG_PROC | R600_VM_ENABLE_PTE_CACHE_LRU_W;
  256         vm_l2_cntl |= R600_VM_L2_CNTL_QUEUE_SIZE(7);
  257         RADEON_WRITE(R600_VM_L2_CNTL, vm_l2_cntl);
  258 
  259         RADEON_WRITE(R600_VM_L2_CNTL2, 0);
  260         vm_l2_cntl3 = (R600_VM_L2_CNTL3_BANK_SELECT_0(0) |
  261                        R600_VM_L2_CNTL3_BANK_SELECT_1(1) |
  262                        R600_VM_L2_CNTL3_CACHE_UPDATE_MODE(2));
  263         RADEON_WRITE(R600_VM_L2_CNTL3, vm_l2_cntl3);
  264 
  265         vm_c0 = R600_VM_ENABLE_CONTEXT | R600_VM_PAGE_TABLE_DEPTH_FLAT;
  266 
  267         RADEON_WRITE(R600_VM_CONTEXT0_CNTL, vm_c0);
  268 
  269         vm_c0 &= ~R600_VM_ENABLE_CONTEXT;
  270 
  271         /* disable all other contexts */
  272         for (i = 1; i < 8; i++)
  273                 RADEON_WRITE(R600_VM_CONTEXT0_CNTL + (i * 4), vm_c0);
  274 
  275         RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, dev_priv->gart_info.bus_addr >> 12);
  276         RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_START_ADDR, dev_priv->gart_vm_start >> 12);
  277         RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_END_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
  278 
  279         r600_vm_flush_gart_range(dev);
  280 }
  281 
  282 /* load r600 microcode */
  283 static void r600_cp_load_microcode(drm_radeon_private_t *dev_priv)
  284 {
  285         const u32 (*cp)[3];
  286         const u32 *pfp;
  287         int i;
  288 
  289         switch (dev_priv->flags & RADEON_FAMILY_MASK) {
  290         case CHIP_R600:
  291                 DRM_INFO("Loading R600 Microcode\n");
  292                 cp  = R600_cp_microcode;
  293                 pfp = R600_pfp_microcode;
  294                 break;
  295         case CHIP_RV610:
  296                 DRM_INFO("Loading RV610 Microcode\n");
  297                 cp  = RV610_cp_microcode;
  298                 pfp = RV610_pfp_microcode;
  299                 break;
  300         case CHIP_RV630:
  301                 DRM_INFO("Loading RV630 Microcode\n");
  302                 cp  = RV630_cp_microcode;
  303                 pfp = RV630_pfp_microcode;
  304                 break;
  305         case CHIP_RV620:
  306                 DRM_INFO("Loading RV620 Microcode\n");
  307                 cp  = RV620_cp_microcode;
  308                 pfp = RV620_pfp_microcode;
  309                 break;
  310         case CHIP_RV635:
  311                 DRM_INFO("Loading RV635 Microcode\n");
  312                 cp  = RV635_cp_microcode;
  313                 pfp = RV635_pfp_microcode;
  314                 break;
  315         case CHIP_RV670:
  316                 DRM_INFO("Loading RV670 Microcode\n");
  317                 cp  = RV670_cp_microcode;
  318                 pfp = RV670_pfp_microcode;
  319                 break;
  320         case CHIP_RS780:
  321         case CHIP_RS880:
  322                 DRM_INFO("Loading RS780/RS880 Microcode\n");
  323                 cp  = RS780_cp_microcode;
  324                 pfp = RS780_pfp_microcode;
  325                 break;
  326         default:
  327                 return;
  328         }
  329 
  330         r600_do_cp_stop(dev_priv);
  331 
  332         RADEON_WRITE(R600_CP_RB_CNTL,
  333                      R600_RB_NO_UPDATE |
  334                      R600_RB_BLKSZ(15) |
  335                      R600_RB_BUFSZ(3));
  336 
  337         RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
  338         RADEON_READ(R600_GRBM_SOFT_RESET);
  339         DRM_UDELAY(15000);
  340         RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
  341 
  342         RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
  343 
  344         for (i = 0; i < PM4_UCODE_SIZE; i++) {
  345                 RADEON_WRITE(R600_CP_ME_RAM_DATA, cp[i][0]);
  346                 RADEON_WRITE(R600_CP_ME_RAM_DATA, cp[i][1]);
  347                 RADEON_WRITE(R600_CP_ME_RAM_DATA, cp[i][2]);
  348         }
  349 
  350         RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
  351         for (i = 0; i < PFP_UCODE_SIZE; i++)
  352                 RADEON_WRITE(R600_CP_PFP_UCODE_DATA, pfp[i]);
  353 
  354         RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
  355         RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
  356         RADEON_WRITE(R600_CP_ME_RAM_RADDR, 0);
  357 }
  358 
  359 static void r700_vm_init(struct drm_device *dev)
  360 {
  361         drm_radeon_private_t *dev_priv = dev->dev_private;
  362         /* initialise the VM to use the page table we constructed up there */
  363         u32 vm_c0, i;
  364         u32 mc_vm_md_l1;
  365         u32 vm_l2_cntl, vm_l2_cntl3;
  366         /* okay set up the PCIE aperture type thingo */
  367         RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_LOW_ADDR, dev_priv->gart_vm_start >> 12);
  368         RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
  369         RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
  370 
  371         mc_vm_md_l1 = R700_ENABLE_L1_TLB |
  372             R700_ENABLE_L1_FRAGMENT_PROCESSING |
  373             R700_SYSTEM_ACCESS_MODE_IN_SYS |
  374             R700_SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
  375             R700_EFFECTIVE_L1_TLB_SIZE(5) |
  376             R700_EFFECTIVE_L1_QUEUE_SIZE(5);
  377 
  378         RADEON_WRITE(R700_MC_VM_MD_L1_TLB0_CNTL, mc_vm_md_l1);
  379         RADEON_WRITE(R700_MC_VM_MD_L1_TLB1_CNTL, mc_vm_md_l1);
  380         RADEON_WRITE(R700_MC_VM_MD_L1_TLB2_CNTL, mc_vm_md_l1);
  381         RADEON_WRITE(R700_MC_VM_MB_L1_TLB0_CNTL, mc_vm_md_l1);
  382         RADEON_WRITE(R700_MC_VM_MB_L1_TLB1_CNTL, mc_vm_md_l1);
  383         RADEON_WRITE(R700_MC_VM_MB_L1_TLB2_CNTL, mc_vm_md_l1);
  384         RADEON_WRITE(R700_MC_VM_MB_L1_TLB3_CNTL, mc_vm_md_l1);
  385 
  386         vm_l2_cntl = R600_VM_L2_CACHE_EN | R600_VM_L2_FRAG_PROC | R600_VM_ENABLE_PTE_CACHE_LRU_W;
  387         vm_l2_cntl |= R700_VM_L2_CNTL_QUEUE_SIZE(7);
  388         RADEON_WRITE(R600_VM_L2_CNTL, vm_l2_cntl);
  389 
  390         RADEON_WRITE(R600_VM_L2_CNTL2, 0);
  391         vm_l2_cntl3 = R700_VM_L2_CNTL3_BANK_SELECT(0) | R700_VM_L2_CNTL3_CACHE_UPDATE_MODE(2);
  392         RADEON_WRITE(R600_VM_L2_CNTL3, vm_l2_cntl3);
  393 
  394         vm_c0 = R600_VM_ENABLE_CONTEXT | R600_VM_PAGE_TABLE_DEPTH_FLAT;
  395 
  396         RADEON_WRITE(R600_VM_CONTEXT0_CNTL, vm_c0);
  397 
  398         vm_c0 &= ~R600_VM_ENABLE_CONTEXT;
  399 
  400         /* disable all other contexts */
  401         for (i = 1; i < 8; i++)
  402                 RADEON_WRITE(R600_VM_CONTEXT0_CNTL + (i * 4), vm_c0);
  403 
  404         RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, dev_priv->gart_info.bus_addr >> 12);
  405         RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_START_ADDR, dev_priv->gart_vm_start >> 12);
  406         RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_END_ADDR, (dev_priv->gart_vm_start + dev_priv->gart_size - 1) >> 12);
  407 
  408         r600_vm_flush_gart_range(dev);
  409 }
  410 
  411 /* load r600 microcode */
  412 static void r700_cp_load_microcode(drm_radeon_private_t *dev_priv)
  413 {
  414         const u32 *pfp;
  415         const u32 *cp;
  416         int i;
  417 
  418         switch (dev_priv->flags & RADEON_FAMILY_MASK) {
  419         case CHIP_RV770:
  420                 DRM_INFO("Loading RV770/RV790 Microcode\n");
  421                 pfp = RV770_pfp_microcode;
  422                 cp  = RV770_cp_microcode;
  423                 break;
  424         case CHIP_RV730:
  425         case CHIP_RV740:
  426                 DRM_INFO("Loading RV730/RV740 Microcode\n");
  427                 pfp = RV730_pfp_microcode;
  428                 cp  = RV730_cp_microcode;
  429                 break;
  430         case CHIP_RV710:
  431                 DRM_INFO("Loading RV710 Microcode\n");
  432                 pfp = RV710_pfp_microcode;
  433                 cp  = RV710_cp_microcode;
  434                 break;
  435         default:
  436                 return;
  437         }
  438 
  439         r600_do_cp_stop(dev_priv);
  440 
  441         RADEON_WRITE(R600_CP_RB_CNTL,
  442                      R600_RB_NO_UPDATE |
  443                      (15 << 8) |
  444                      (3 << 0));
  445 
  446         RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
  447         RADEON_READ(R600_GRBM_SOFT_RESET);
  448         DRM_UDELAY(15000);
  449         RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
  450 
  451         RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
  452         for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
  453                 RADEON_WRITE(R600_CP_PFP_UCODE_DATA, pfp[i]);
  454         RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
  455 
  456         RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
  457         for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
  458                 RADEON_WRITE(R600_CP_ME_RAM_DATA, cp[i]);
  459         RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
  460 
  461         RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
  462         RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
  463         RADEON_WRITE(R600_CP_ME_RAM_RADDR, 0);
  464 }
  465 
  466 static void r600_test_writeback(drm_radeon_private_t *dev_priv)
  467 {
  468         u32 tmp;
  469 
  470         /* Start with assuming that writeback doesn't work */
  471         dev_priv->writeback_works = 0;
  472 
  473         /* Writeback doesn't seem to work everywhere, test it here and possibly
  474          * enable it if it appears to work
  475          */
  476         radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(1), 0);
  477 
  478         RADEON_WRITE(R600_SCRATCH_REG1, 0xdeadbeef);
  479 
  480         for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) {
  481                 u32 val;
  482 
  483                 val = radeon_read_ring_rptr(dev_priv, R600_SCRATCHOFF(1));
  484                 if (val == 0xdeadbeef)
  485                         break;
  486                 DRM_UDELAY(1);
  487         }
  488 
  489         if (tmp < dev_priv->usec_timeout) {
  490                 dev_priv->writeback_works = 1;
  491                 DRM_INFO("writeback test succeeded in %d usecs\n", tmp);
  492         } else {
  493                 dev_priv->writeback_works = 0;
  494                 DRM_INFO("writeback test failed\n");
  495         }
  496         if (radeon_no_wb == 1) {
  497                 dev_priv->writeback_works = 0;
  498                 DRM_INFO("writeback forced off\n");
  499         }
  500 
  501         if (!dev_priv->writeback_works) {
  502                 /* Disable writeback to avoid unnecessary bus master transfer */
  503                 RADEON_WRITE(R600_CP_RB_CNTL, RADEON_READ(R600_CP_RB_CNTL) |
  504                              RADEON_RB_NO_UPDATE);
  505                 RADEON_WRITE(R600_SCRATCH_UMSK, 0);
  506         }
  507 }
  508 
  509 int r600_do_engine_reset(struct drm_device *dev)
  510 {
  511         drm_radeon_private_t *dev_priv = dev->dev_private;
  512         u32 cp_ptr, cp_me_cntl, cp_rb_cntl;
  513 
  514         DRM_INFO("Resetting GPU\n");
  515 
  516         cp_ptr = RADEON_READ(R600_CP_RB_WPTR);
  517         cp_me_cntl = RADEON_READ(R600_CP_ME_CNTL);
  518         RADEON_WRITE(R600_CP_ME_CNTL, R600_CP_ME_HALT);
  519 
  520         RADEON_WRITE(R600_GRBM_SOFT_RESET, 0x7fff);
  521         RADEON_READ(R600_GRBM_SOFT_RESET);
  522         DRM_UDELAY(50);
  523         RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
  524         RADEON_READ(R600_GRBM_SOFT_RESET);
  525 
  526         RADEON_WRITE(R600_CP_RB_WPTR_DELAY, 0);
  527         cp_rb_cntl = RADEON_READ(R600_CP_RB_CNTL);
  528         RADEON_WRITE(R600_CP_RB_CNTL, R600_RB_RPTR_WR_ENA);
  529 
  530         RADEON_WRITE(R600_CP_RB_RPTR_WR, cp_ptr);
  531         RADEON_WRITE(R600_CP_RB_WPTR, cp_ptr);
  532         RADEON_WRITE(R600_CP_RB_CNTL, cp_rb_cntl);
  533         RADEON_WRITE(R600_CP_ME_CNTL, cp_me_cntl);
  534 
  535         /* Reset the CP ring */
  536         r600_do_cp_reset(dev_priv);
  537 
  538         /* The CP is no longer running after an engine reset */
  539         dev_priv->cp_running = 0;
  540 
  541         /* Reset any pending vertex, indirect buffers */
  542         radeon_freelist_reset(dev);
  543 
  544         return 0;
  545 
  546 }
  547 
  548 static u32 r600_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
  549                                              u32 num_backends,
  550                                              u32 backend_disable_mask)
  551 {
  552         u32 backend_map = 0;
  553         u32 enabled_backends_mask;
  554         u32 enabled_backends_count;
  555         u32 cur_pipe;
  556         u32 swizzle_pipe[R6XX_MAX_PIPES];
  557         u32 cur_backend;
  558         u32 i;
  559 
  560         if (num_tile_pipes > R6XX_MAX_PIPES)
  561                 num_tile_pipes = R6XX_MAX_PIPES;
  562         if (num_tile_pipes < 1)
  563                 num_tile_pipes = 1;
  564         if (num_backends > R6XX_MAX_BACKENDS)
  565                 num_backends = R6XX_MAX_BACKENDS;
  566         if (num_backends < 1)
  567                 num_backends = 1;
  568 
  569         enabled_backends_mask = 0;
  570         enabled_backends_count = 0;
  571         for (i = 0; i < R6XX_MAX_BACKENDS; ++i) {
  572                 if (((backend_disable_mask >> i) & 1) == 0) {
  573                         enabled_backends_mask |= (1 << i);
  574                         ++enabled_backends_count;
  575                 }
  576                 if (enabled_backends_count == num_backends)
  577                         break;
  578         }
  579 
  580         if (enabled_backends_count == 0) {
  581                 enabled_backends_mask = 1;
  582                 enabled_backends_count = 1;
  583         }
  584 
  585         if (enabled_backends_count != num_backends)
  586                 num_backends = enabled_backends_count;
  587 
  588         memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R6XX_MAX_PIPES);
  589         switch (num_tile_pipes) {
  590         case 1:
  591                 swizzle_pipe[0] = 0;
  592                 break;
  593         case 2:
  594                 swizzle_pipe[0] = 0;
  595                 swizzle_pipe[1] = 1;
  596                 break;
  597         case 3:
  598                 swizzle_pipe[0] = 0;
  599                 swizzle_pipe[1] = 1;
  600                 swizzle_pipe[2] = 2;
  601                 break;
  602         case 4:
  603                 swizzle_pipe[0] = 0;
  604                 swizzle_pipe[1] = 1;
  605                 swizzle_pipe[2] = 2;
  606                 swizzle_pipe[3] = 3;
  607                 break;
  608         case 5:
  609                 swizzle_pipe[0] = 0;
  610                 swizzle_pipe[1] = 1;
  611                 swizzle_pipe[2] = 2;
  612                 swizzle_pipe[3] = 3;
  613                 swizzle_pipe[4] = 4;
  614                 break;
  615         case 6:
  616                 swizzle_pipe[0] = 0;
  617                 swizzle_pipe[1] = 2;
  618                 swizzle_pipe[2] = 4;
  619                 swizzle_pipe[3] = 5;
  620                 swizzle_pipe[4] = 1;
  621                 swizzle_pipe[5] = 3;
  622                 break;
  623         case 7:
  624                 swizzle_pipe[0] = 0;
  625                 swizzle_pipe[1] = 2;
  626                 swizzle_pipe[2] = 4;
  627                 swizzle_pipe[3] = 6;
  628                 swizzle_pipe[4] = 1;
  629                 swizzle_pipe[5] = 3;
  630                 swizzle_pipe[6] = 5;
  631                 break;
  632         case 8:
  633                 swizzle_pipe[0] = 0;
  634                 swizzle_pipe[1] = 2;
  635                 swizzle_pipe[2] = 4;
  636                 swizzle_pipe[3] = 6;
  637                 swizzle_pipe[4] = 1;
  638                 swizzle_pipe[5] = 3;
  639                 swizzle_pipe[6] = 5;
  640                 swizzle_pipe[7] = 7;
  641                 break;
  642         }
  643 
  644         cur_backend = 0;
  645         for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
  646                 while (((1 << cur_backend) & enabled_backends_mask) == 0)
  647                         cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
  648 
  649                 backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
  650 
  651                 cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS;
  652         }
  653 
  654         return backend_map;
  655 }
  656 
  657 static int r600_count_pipe_bits(uint32_t val)
  658 {
  659         int i, ret = 0;
  660         for (i = 0; i < 32; i++) {
  661                 ret += val & 1;
  662                 val >>= 1;
  663         }
  664         return ret;
  665 }
  666 
  667 static void r600_gfx_init(struct drm_device *dev,
  668                           drm_radeon_private_t *dev_priv)
  669 {
  670         int i, j, num_qd_pipes;
  671         u32 sx_debug_1;
  672         u32 tc_cntl;
  673         u32 arb_pop;
  674         u32 num_gs_verts_per_thread;
  675         u32 vgt_gs_per_es;
  676         u32 gs_prim_buffer_depth = 0;
  677         u32 sq_ms_fifo_sizes;
  678         u32 sq_config;
  679         u32 sq_gpr_resource_mgmt_1 = 0;
  680         u32 sq_gpr_resource_mgmt_2 = 0;
  681         u32 sq_thread_resource_mgmt = 0;
  682         u32 sq_stack_resource_mgmt_1 = 0;
  683         u32 sq_stack_resource_mgmt_2 = 0;
  684         u32 hdp_host_path_cntl;
  685         u32 backend_map;
  686         u32 gb_tiling_config = 0;
  687         u32 cc_rb_backend_disable = 0;
  688         u32 cc_gc_shader_pipe_config = 0;
  689         u32 ramcfg;
  690 
  691         /* setup chip specs */
  692         switch (dev_priv->flags & RADEON_FAMILY_MASK) {
  693         case CHIP_R600:
  694                 dev_priv->r600_max_pipes = 4;
  695                 dev_priv->r600_max_tile_pipes = 8;
  696                 dev_priv->r600_max_simds = 4;
  697                 dev_priv->r600_max_backends = 4;
  698                 dev_priv->r600_max_gprs = 256;
  699                 dev_priv->r600_max_threads = 192;
  700                 dev_priv->r600_max_stack_entries = 256;
  701                 dev_priv->r600_max_hw_contexts = 8;
  702                 dev_priv->r600_max_gs_threads = 16;
  703                 dev_priv->r600_sx_max_export_size = 128;
  704                 dev_priv->r600_sx_max_export_pos_size = 16;
  705                 dev_priv->r600_sx_max_export_smx_size = 128;
  706                 dev_priv->r600_sq_num_cf_insts = 2;
  707                 break;
  708         case CHIP_RV630:
  709         case CHIP_RV635:
  710                 dev_priv->r600_max_pipes = 2;
  711                 dev_priv->r600_max_tile_pipes = 2;
  712                 dev_priv->r600_max_simds = 3;
  713                 dev_priv->r600_max_backends = 1;
  714                 dev_priv->r600_max_gprs = 128;
  715                 dev_priv->r600_max_threads = 192;
  716                 dev_priv->r600_max_stack_entries = 128;
  717                 dev_priv->r600_max_hw_contexts = 8;
  718                 dev_priv->r600_max_gs_threads = 4;
  719                 dev_priv->r600_sx_max_export_size = 128;
  720                 dev_priv->r600_sx_max_export_pos_size = 16;
  721                 dev_priv->r600_sx_max_export_smx_size = 128;
  722                 dev_priv->r600_sq_num_cf_insts = 2;
  723                 break;
  724         case CHIP_RV610:
  725         case CHIP_RS780:
  726         case CHIP_RS880:
  727         case CHIP_RV620:
  728                 dev_priv->r600_max_pipes = 1;
  729                 dev_priv->r600_max_tile_pipes = 1;
  730                 dev_priv->r600_max_simds = 2;
  731                 dev_priv->r600_max_backends = 1;
  732                 dev_priv->r600_max_gprs = 128;
  733                 dev_priv->r600_max_threads = 192;
  734                 dev_priv->r600_max_stack_entries = 128;
  735                 dev_priv->r600_max_hw_contexts = 4;
  736                 dev_priv->r600_max_gs_threads = 4;
  737                 dev_priv->r600_sx_max_export_size = 128;
  738                 dev_priv->r600_sx_max_export_pos_size = 16;
  739                 dev_priv->r600_sx_max_export_smx_size = 128;
  740                 dev_priv->r600_sq_num_cf_insts = 1;
  741                 break;
  742         case CHIP_RV670:
  743                 dev_priv->r600_max_pipes = 4;
  744                 dev_priv->r600_max_tile_pipes = 4;
  745                 dev_priv->r600_max_simds = 4;
  746                 dev_priv->r600_max_backends = 4;
  747                 dev_priv->r600_max_gprs = 192;
  748                 dev_priv->r600_max_threads = 192;
  749                 dev_priv->r600_max_stack_entries = 256;
  750                 dev_priv->r600_max_hw_contexts = 8;
  751                 dev_priv->r600_max_gs_threads = 16;
  752                 dev_priv->r600_sx_max_export_size = 128;
  753                 dev_priv->r600_sx_max_export_pos_size = 16;
  754                 dev_priv->r600_sx_max_export_smx_size = 128;
  755                 dev_priv->r600_sq_num_cf_insts = 2;
  756                 break;
  757         default:
  758                 break;
  759         }
  760 
  761         /* Initialize HDP */
  762         j = 0;
  763         for (i = 0; i < 32; i++) {
  764                 RADEON_WRITE((0x2c14 + j), 0x00000000);
  765                 RADEON_WRITE((0x2c18 + j), 0x00000000);
  766                 RADEON_WRITE((0x2c1c + j), 0x00000000);
  767                 RADEON_WRITE((0x2c20 + j), 0x00000000);
  768                 RADEON_WRITE((0x2c24 + j), 0x00000000);
  769                 j += 0x18;
  770         }
  771 
  772         RADEON_WRITE(R600_GRBM_CNTL, R600_GRBM_READ_TIMEOUT(0xff));
  773 
  774         /* setup tiling, simd, pipe config */
  775         ramcfg = RADEON_READ(R600_RAMCFG);
  776 
  777         switch (dev_priv->r600_max_tile_pipes) {
  778         case 1:
  779                 gb_tiling_config |= R600_PIPE_TILING(0);
  780                 break;
  781         case 2:
  782                 gb_tiling_config |= R600_PIPE_TILING(1);
  783                 break;
  784         case 4:
  785                 gb_tiling_config |= R600_PIPE_TILING(2);
  786                 break;
  787         case 8:
  788                 gb_tiling_config |= R600_PIPE_TILING(3);
  789                 break;
  790         default:
  791                 break;
  792         }
  793 
  794         gb_tiling_config |= R600_BANK_TILING((ramcfg >> R600_NOOFBANK_SHIFT) & R600_NOOFBANK_MASK);
  795 
  796         gb_tiling_config |= R600_GROUP_SIZE(0);
  797 
  798         if (((ramcfg >> R600_NOOFROWS_SHIFT) & R600_NOOFROWS_MASK) > 3) {
  799                 gb_tiling_config |= R600_ROW_TILING(3);
  800                 gb_tiling_config |= R600_SAMPLE_SPLIT(3);
  801         } else {
  802                 gb_tiling_config |=
  803                         R600_ROW_TILING(((ramcfg >> R600_NOOFROWS_SHIFT) & R600_NOOFROWS_MASK));
  804                 gb_tiling_config |=
  805                         R600_SAMPLE_SPLIT(((ramcfg >> R600_NOOFROWS_SHIFT) & R600_NOOFROWS_MASK));
  806         }
  807 
  808         gb_tiling_config |= R600_BANK_SWAPS(1);
  809 
  810         backend_map = r600_get_tile_pipe_to_backend_map(dev_priv->r600_max_tile_pipes,
  811                                                         dev_priv->r600_max_backends,
  812                                                         (0xff << dev_priv->r600_max_backends) & 0xff);
  813         gb_tiling_config |= R600_BACKEND_MAP(backend_map);
  814 
  815         cc_gc_shader_pipe_config =
  816                 R600_INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << dev_priv->r600_max_pipes) & R6XX_MAX_PIPES_MASK);
  817         cc_gc_shader_pipe_config |=
  818                 R600_INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << dev_priv->r600_max_simds) & R6XX_MAX_SIMDS_MASK);
  819 
  820         cc_rb_backend_disable =
  821                 R600_BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R6XX_MAX_BACKENDS_MASK);
  822 
  823         RADEON_WRITE(R600_GB_TILING_CONFIG,      gb_tiling_config);
  824         RADEON_WRITE(R600_DCP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
  825         RADEON_WRITE(R600_HDP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
  826 
  827         RADEON_WRITE(R600_CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
  828         RADEON_WRITE(R600_CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
  829         RADEON_WRITE(R600_GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
  830 
  831         num_qd_pipes =
  832                 R6XX_MAX_BACKENDS - r600_count_pipe_bits(cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK);
  833         RADEON_WRITE(R600_VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & R600_DEALLOC_DIST_MASK);
  834         RADEON_WRITE(R600_VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & R600_VTX_REUSE_DEPTH_MASK);
  835 
  836         /* set HW defaults for 3D engine */
  837         RADEON_WRITE(R600_CP_QUEUE_THRESHOLDS, (R600_ROQ_IB1_START(0x16) |
  838                                                 R600_ROQ_IB2_START(0x2b)));
  839 
  840         RADEON_WRITE(R600_CP_MEQ_THRESHOLDS, (R600_MEQ_END(0x40) |
  841                                               R600_ROQ_END(0x40)));
  842 
  843         RADEON_WRITE(R600_TA_CNTL_AUX, (R600_DISABLE_CUBE_ANISO |
  844                                         R600_SYNC_GRADIENT |
  845                                         R600_SYNC_WALKER |
  846                                         R600_SYNC_ALIGNER));
  847 
  848         if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV670)
  849                 RADEON_WRITE(R600_ARB_GDEC_RD_CNTL, 0x00000021);
  850 
  851         sx_debug_1 = RADEON_READ(R600_SX_DEBUG_1);
  852         sx_debug_1 |= R600_SMX_EVENT_RELEASE;
  853         if (((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_R600))
  854                 sx_debug_1 |= R600_ENABLE_NEW_SMX_ADDRESS;
  855         RADEON_WRITE(R600_SX_DEBUG_1, sx_debug_1);
  856 
  857         if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600) ||
  858             ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630) ||
  859             ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
  860             ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
  861             ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
  862             ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880))
  863                 RADEON_WRITE(R600_DB_DEBUG, R600_PREZ_MUST_WAIT_FOR_POSTZ_DONE);
  864         else
  865                 RADEON_WRITE(R600_DB_DEBUG, 0);
  866 
  867         RADEON_WRITE(R600_DB_WATERMARKS, (R600_DEPTH_FREE(4) |
  868                                           R600_DEPTH_FLUSH(16) |
  869                                           R600_DEPTH_PENDING_FREE(4) |
  870                                           R600_DEPTH_CACHELINE_FREE(16)));
  871         RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
  872         RADEON_WRITE(R600_VGT_NUM_INSTANCES, 0);
  873 
  874         RADEON_WRITE(R600_SPI_CONFIG_CNTL, R600_GPR_WRITE_PRIORITY(0));
  875         RADEON_WRITE(R600_SPI_CONFIG_CNTL_1, R600_VTX_DONE_DELAY(0));
  876 
  877         sq_ms_fifo_sizes = RADEON_READ(R600_SQ_MS_FIFO_SIZES);
  878         if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
  879             ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
  880             ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
  881             ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880)) {
  882                 sq_ms_fifo_sizes = (R600_CACHE_FIFO_SIZE(0xa) |
  883                                     R600_FETCH_FIFO_HIWATER(0xa) |
  884                                     R600_DONE_FIFO_HIWATER(0xe0) |
  885                                     R600_ALU_UPDATE_FIFO_HIWATER(0x8));
  886         } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600) ||
  887                    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630)) {
  888                 sq_ms_fifo_sizes &= ~R600_DONE_FIFO_HIWATER(0xff);
  889                 sq_ms_fifo_sizes |= R600_DONE_FIFO_HIWATER(0x4);
  890         }
  891         RADEON_WRITE(R600_SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
  892 
  893         /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
  894          * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
  895          */
  896         sq_config = RADEON_READ(R600_SQ_CONFIG);
  897         sq_config &= ~(R600_PS_PRIO(3) |
  898                        R600_VS_PRIO(3) |
  899                        R600_GS_PRIO(3) |
  900                        R600_ES_PRIO(3));
  901         sq_config |= (R600_DX9_CONSTS |
  902                       R600_VC_ENABLE |
  903                       R600_PS_PRIO(0) |
  904                       R600_VS_PRIO(1) |
  905                       R600_GS_PRIO(2) |
  906                       R600_ES_PRIO(3));
  907 
  908         if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R600) {
  909                 sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(124) |
  910                                           R600_NUM_VS_GPRS(124) |
  911                                           R600_NUM_CLAUSE_TEMP_GPRS(4));
  912                 sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(0) |
  913                                           R600_NUM_ES_GPRS(0));
  914                 sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(136) |
  915                                            R600_NUM_VS_THREADS(48) |
  916                                            R600_NUM_GS_THREADS(4) |
  917                                            R600_NUM_ES_THREADS(4));
  918                 sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(128) |
  919                                             R600_NUM_VS_STACK_ENTRIES(128));
  920                 sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(0) |
  921                                             R600_NUM_ES_STACK_ENTRIES(0));
  922         } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
  923                    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
  924                    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
  925                    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880)) {
  926                 /* no vertex cache */
  927                 sq_config &= ~R600_VC_ENABLE;
  928 
  929                 sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(44) |
  930                                           R600_NUM_VS_GPRS(44) |
  931                                           R600_NUM_CLAUSE_TEMP_GPRS(2));
  932                 sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(17) |
  933                                           R600_NUM_ES_GPRS(17));
  934                 sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(79) |
  935                                            R600_NUM_VS_THREADS(78) |
  936                                            R600_NUM_GS_THREADS(4) |
  937                                            R600_NUM_ES_THREADS(31));
  938                 sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(40) |
  939                                             R600_NUM_VS_STACK_ENTRIES(40));
  940                 sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(32) |
  941                                             R600_NUM_ES_STACK_ENTRIES(16));
  942         } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630) ||
  943                    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV635)) {
  944                 sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(44) |
  945                                           R600_NUM_VS_GPRS(44) |
  946                                           R600_NUM_CLAUSE_TEMP_GPRS(2));
  947                 sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(18) |
  948                                           R600_NUM_ES_GPRS(18));
  949                 sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(79) |
  950                                            R600_NUM_VS_THREADS(78) |
  951                                            R600_NUM_GS_THREADS(4) |
  952                                            R600_NUM_ES_THREADS(31));
  953                 sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(40) |
  954                                             R600_NUM_VS_STACK_ENTRIES(40));
  955                 sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(32) |
  956                                             R600_NUM_ES_STACK_ENTRIES(16));
  957         } else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV670) {
  958                 sq_gpr_resource_mgmt_1 = (R600_NUM_PS_GPRS(44) |
  959                                           R600_NUM_VS_GPRS(44) |
  960                                           R600_NUM_CLAUSE_TEMP_GPRS(2));
  961                 sq_gpr_resource_mgmt_2 = (R600_NUM_GS_GPRS(17) |
  962                                           R600_NUM_ES_GPRS(17));
  963                 sq_thread_resource_mgmt = (R600_NUM_PS_THREADS(79) |
  964                                            R600_NUM_VS_THREADS(78) |
  965                                            R600_NUM_GS_THREADS(4) |
  966                                            R600_NUM_ES_THREADS(31));
  967                 sq_stack_resource_mgmt_1 = (R600_NUM_PS_STACK_ENTRIES(64) |
  968                                             R600_NUM_VS_STACK_ENTRIES(64));
  969                 sq_stack_resource_mgmt_2 = (R600_NUM_GS_STACK_ENTRIES(64) |
  970                                             R600_NUM_ES_STACK_ENTRIES(64));
  971         }
  972 
  973         RADEON_WRITE(R600_SQ_CONFIG, sq_config);
  974         RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_1,  sq_gpr_resource_mgmt_1);
  975         RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_2,  sq_gpr_resource_mgmt_2);
  976         RADEON_WRITE(R600_SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
  977         RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
  978         RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
  979 
  980         if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
  981             ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
  982             ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
  983             ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880))
  984                 RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, R600_CACHE_INVALIDATION(R600_TC_ONLY));
  985         else
  986                 RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, R600_CACHE_INVALIDATION(R600_VC_AND_TC));
  987 
  988         RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_2S, (R600_S0_X(0xc) |
  989                                                     R600_S0_Y(0x4) |
  990                                                     R600_S1_X(0x4) |
  991                                                     R600_S1_Y(0xc)));
  992         RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_4S, (R600_S0_X(0xe) |
  993                                                     R600_S0_Y(0xe) |
  994                                                     R600_S1_X(0x2) |
  995                                                     R600_S1_Y(0x2) |
  996                                                     R600_S2_X(0xa) |
  997                                                     R600_S2_Y(0x6) |
  998                                                     R600_S3_X(0x6) |
  999                                                     R600_S3_Y(0xa)));
 1000         RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_8S_WD0, (R600_S0_X(0xe) |
 1001                                                         R600_S0_Y(0xb) |
 1002                                                         R600_S1_X(0x4) |
 1003                                                         R600_S1_Y(0xc) |
 1004                                                         R600_S2_X(0x1) |
 1005                                                         R600_S2_Y(0x6) |
 1006                                                         R600_S3_X(0xa) |
 1007                                                         R600_S3_Y(0xe)));
 1008         RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_8S_WD1, (R600_S4_X(0x6) |
 1009                                                         R600_S4_Y(0x1) |
 1010                                                         R600_S5_X(0x0) |
 1011                                                         R600_S5_Y(0x0) |
 1012                                                         R600_S6_X(0xb) |
 1013                                                         R600_S6_Y(0x4) |
 1014                                                         R600_S7_X(0x7) |
 1015                                                         R600_S7_Y(0x8)));
 1016 
 1017 
 1018         switch (dev_priv->flags & RADEON_FAMILY_MASK) {
 1019         case CHIP_R600:
 1020         case CHIP_RV630:
 1021         case CHIP_RV635:
 1022                 gs_prim_buffer_depth = 0;
 1023                 break;
 1024         case CHIP_RV610:
 1025         case CHIP_RS780:
 1026         case CHIP_RS880:
 1027         case CHIP_RV620:
 1028                 gs_prim_buffer_depth = 32;
 1029                 break;
 1030         case CHIP_RV670:
 1031                 gs_prim_buffer_depth = 128;
 1032                 break;
 1033         default:
 1034                 break;
 1035         }
 1036 
 1037         num_gs_verts_per_thread = dev_priv->r600_max_pipes * 16;
 1038         vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
 1039         /* Max value for this is 256 */
 1040         if (vgt_gs_per_es > 256)
 1041                 vgt_gs_per_es = 256;
 1042 
 1043         RADEON_WRITE(R600_VGT_ES_PER_GS, 128);
 1044         RADEON_WRITE(R600_VGT_GS_PER_ES, vgt_gs_per_es);
 1045         RADEON_WRITE(R600_VGT_GS_PER_VS, 2);
 1046         RADEON_WRITE(R600_VGT_GS_VERTEX_REUSE, 16);
 1047 
 1048         /* more default values. 2D/3D driver should adjust as needed */
 1049         RADEON_WRITE(R600_PA_SC_LINE_STIPPLE_STATE, 0);
 1050         RADEON_WRITE(R600_VGT_STRMOUT_EN, 0);
 1051         RADEON_WRITE(R600_SX_MISC, 0);
 1052         RADEON_WRITE(R600_PA_SC_MODE_CNTL, 0);
 1053         RADEON_WRITE(R600_PA_SC_AA_CONFIG, 0);
 1054         RADEON_WRITE(R600_PA_SC_LINE_STIPPLE, 0);
 1055         RADEON_WRITE(R600_SPI_INPUT_Z, 0);
 1056         RADEON_WRITE(R600_SPI_PS_IN_CONTROL_0, R600_NUM_INTERP(2));
 1057         RADEON_WRITE(R600_CB_COLOR7_FRAG, 0);
 1058 
 1059         /* clear render buffer base addresses */
 1060         RADEON_WRITE(R600_CB_COLOR0_BASE, 0);
 1061         RADEON_WRITE(R600_CB_COLOR1_BASE, 0);
 1062         RADEON_WRITE(R600_CB_COLOR2_BASE, 0);
 1063         RADEON_WRITE(R600_CB_COLOR3_BASE, 0);
 1064         RADEON_WRITE(R600_CB_COLOR4_BASE, 0);
 1065         RADEON_WRITE(R600_CB_COLOR5_BASE, 0);
 1066         RADEON_WRITE(R600_CB_COLOR6_BASE, 0);
 1067         RADEON_WRITE(R600_CB_COLOR7_BASE, 0);
 1068 
 1069         switch (dev_priv->flags & RADEON_FAMILY_MASK) {
 1070         case CHIP_RV610:
 1071         case CHIP_RS780:
 1072         case CHIP_RS880:
 1073         case CHIP_RV620:
 1074                 tc_cntl = R600_TC_L2_SIZE(8);
 1075                 break;
 1076         case CHIP_RV630:
 1077         case CHIP_RV635:
 1078                 tc_cntl = R600_TC_L2_SIZE(4);
 1079                 break;
 1080         case CHIP_R600:
 1081                 tc_cntl = R600_TC_L2_SIZE(0) | R600_L2_DISABLE_LATE_HIT;
 1082                 break;
 1083         default:
 1084                 tc_cntl = R600_TC_L2_SIZE(0);
 1085                 break;
 1086         }
 1087 
 1088         RADEON_WRITE(R600_TC_CNTL, tc_cntl);
 1089 
 1090         hdp_host_path_cntl = RADEON_READ(R600_HDP_HOST_PATH_CNTL);
 1091         RADEON_WRITE(R600_HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
 1092 
 1093         arb_pop = RADEON_READ(R600_ARB_POP);
 1094         arb_pop |= R600_ENABLE_TC128;
 1095         RADEON_WRITE(R600_ARB_POP, arb_pop);
 1096 
 1097         RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
 1098         RADEON_WRITE(R600_PA_CL_ENHANCE, (R600_CLIP_VTX_REORDER_ENA |
 1099                                           R600_NUM_CLIP_SEQ(3)));
 1100         RADEON_WRITE(R600_PA_SC_ENHANCE, R600_FORCE_EOV_MAX_CLK_CNT(4095));
 1101 
 1102 }
 1103 
 1104 static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
 1105                                              u32 num_backends,
 1106                                              u32 backend_disable_mask)
 1107 {
 1108         u32 backend_map = 0;
 1109         u32 enabled_backends_mask;
 1110         u32 enabled_backends_count;
 1111         u32 cur_pipe;
 1112         u32 swizzle_pipe[R7XX_MAX_PIPES];
 1113         u32 cur_backend;
 1114         u32 i;
 1115 
 1116         if (num_tile_pipes > R7XX_MAX_PIPES)
 1117                 num_tile_pipes = R7XX_MAX_PIPES;
 1118         if (num_tile_pipes < 1)
 1119                 num_tile_pipes = 1;
 1120         if (num_backends > R7XX_MAX_BACKENDS)
 1121                 num_backends = R7XX_MAX_BACKENDS;
 1122         if (num_backends < 1)
 1123                 num_backends = 1;
 1124 
 1125         enabled_backends_mask = 0;
 1126         enabled_backends_count = 0;
 1127         for (i = 0; i < R7XX_MAX_BACKENDS; ++i) {
 1128                 if (((backend_disable_mask >> i) & 1) == 0) {
 1129                         enabled_backends_mask |= (1 << i);
 1130                         ++enabled_backends_count;
 1131                 }
 1132                 if (enabled_backends_count == num_backends)
 1133                         break;
 1134         }
 1135 
 1136         if (enabled_backends_count == 0) {
 1137                 enabled_backends_mask = 1;
 1138                 enabled_backends_count = 1;
 1139         }
 1140 
 1141         if (enabled_backends_count != num_backends)
 1142                 num_backends = enabled_backends_count;
 1143 
 1144         memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
 1145         switch (num_tile_pipes) {
 1146         case 1:
 1147                 swizzle_pipe[0] = 0;
 1148                 break;
 1149         case 2:
 1150                 swizzle_pipe[0] = 0;
 1151                 swizzle_pipe[1] = 1;
 1152                 break;
 1153         case 3:
 1154                 swizzle_pipe[0] = 0;
 1155                 swizzle_pipe[1] = 2;
 1156                 swizzle_pipe[2] = 1;
 1157                 break;
 1158         case 4:
 1159                 swizzle_pipe[0] = 0;
 1160                 swizzle_pipe[1] = 2;
 1161                 swizzle_pipe[2] = 3;
 1162                 swizzle_pipe[3] = 1;
 1163                 break;
 1164         case 5:
 1165                 swizzle_pipe[0] = 0;
 1166                 swizzle_pipe[1] = 2;
 1167                 swizzle_pipe[2] = 4;
 1168                 swizzle_pipe[3] = 1;
 1169                 swizzle_pipe[4] = 3;
 1170                 break;
 1171         case 6:
 1172                 swizzle_pipe[0] = 0;
 1173                 swizzle_pipe[1] = 2;
 1174                 swizzle_pipe[2] = 4;
 1175                 swizzle_pipe[3] = 5;
 1176                 swizzle_pipe[4] = 3;
 1177                 swizzle_pipe[5] = 1;
 1178                 break;
 1179         case 7:
 1180                 swizzle_pipe[0] = 0;
 1181                 swizzle_pipe[1] = 2;
 1182                 swizzle_pipe[2] = 4;
 1183                 swizzle_pipe[3] = 6;
 1184                 swizzle_pipe[4] = 3;
 1185                 swizzle_pipe[5] = 1;
 1186                 swizzle_pipe[6] = 5;
 1187                 break;
 1188         case 8:
 1189                 swizzle_pipe[0] = 0;
 1190                 swizzle_pipe[1] = 2;
 1191                 swizzle_pipe[2] = 4;
 1192                 swizzle_pipe[3] = 6;
 1193                 swizzle_pipe[4] = 3;
 1194                 swizzle_pipe[5] = 1;
 1195                 swizzle_pipe[6] = 7;
 1196                 swizzle_pipe[7] = 5;
 1197                 break;
 1198         }
 1199 
 1200         cur_backend = 0;
 1201         for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
 1202                 while (((1 << cur_backend) & enabled_backends_mask) == 0)
 1203                         cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
 1204 
 1205                 backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2)));
 1206 
 1207                 cur_backend = (cur_backend + 1) % R7XX_MAX_BACKENDS;
 1208         }
 1209 
 1210         return backend_map;
 1211 }
 1212 
 1213 static void r700_gfx_init(struct drm_device *dev,
 1214                           drm_radeon_private_t *dev_priv)
 1215 {
 1216         int i, j, num_qd_pipes;
 1217         u32 sx_debug_1;
 1218         u32 smx_dc_ctl0;
 1219         u32 num_gs_verts_per_thread;
 1220         u32 vgt_gs_per_es;
 1221         u32 gs_prim_buffer_depth = 0;
 1222         u32 sq_ms_fifo_sizes;
 1223         u32 sq_config;
 1224         u32 sq_thread_resource_mgmt;
 1225         u32 hdp_host_path_cntl;
 1226         u32 sq_dyn_gpr_size_simd_ab_0;
 1227         u32 backend_map;
 1228         u32 gb_tiling_config = 0;
 1229         u32 cc_rb_backend_disable = 0;
 1230         u32 cc_gc_shader_pipe_config = 0;
 1231         u32 mc_arb_ramcfg;
 1232         u32 db_debug4;
 1233 
 1234         /* setup chip specs */
 1235         switch (dev_priv->flags & RADEON_FAMILY_MASK) {
 1236         case CHIP_RV770:
 1237                 dev_priv->r600_max_pipes = 4;
 1238                 dev_priv->r600_max_tile_pipes = 8;
 1239                 dev_priv->r600_max_simds = 10;
 1240                 dev_priv->r600_max_backends = 4;
 1241                 dev_priv->r600_max_gprs = 256;
 1242                 dev_priv->r600_max_threads = 248;
 1243                 dev_priv->r600_max_stack_entries = 512;
 1244                 dev_priv->r600_max_hw_contexts = 8;
 1245                 dev_priv->r600_max_gs_threads = 16 * 2;
 1246                 dev_priv->r600_sx_max_export_size = 128;
 1247                 dev_priv->r600_sx_max_export_pos_size = 16;
 1248                 dev_priv->r600_sx_max_export_smx_size = 112;
 1249                 dev_priv->r600_sq_num_cf_insts = 2;
 1250 
 1251                 dev_priv->r700_sx_num_of_sets = 7;
 1252                 dev_priv->r700_sc_prim_fifo_size = 0xF9;
 1253                 dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
 1254                 dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
 1255                 break;
 1256         case CHIP_RV740:
 1257                 dev_priv->r600_max_pipes = 4;
 1258                 dev_priv->r600_max_tile_pipes = 4;
 1259                 dev_priv->r600_max_simds = 8;
 1260                 dev_priv->r600_max_backends = 4;
 1261                 dev_priv->r600_max_gprs = 256;
 1262                 dev_priv->r600_max_threads = 248;
 1263                 dev_priv->r600_max_stack_entries = 512;
 1264                 dev_priv->r600_max_hw_contexts = 8;
 1265                 dev_priv->r600_max_gs_threads = 16 * 2;
 1266                 dev_priv->r600_sx_max_export_size = 256;
 1267                 dev_priv->r600_sx_max_export_pos_size = 32;
 1268                 dev_priv->r600_sx_max_export_smx_size = 224;
 1269                 dev_priv->r600_sq_num_cf_insts = 2;
 1270 
 1271                 dev_priv->r700_sx_num_of_sets = 7;
 1272                 dev_priv->r700_sc_prim_fifo_size = 0x100;
 1273                 dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
 1274                 dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
 1275 
 1276                 if (dev_priv->r600_sx_max_export_pos_size > 16) {
 1277                         dev_priv->r600_sx_max_export_pos_size -= 16;
 1278                         dev_priv->r600_sx_max_export_smx_size += 16;
 1279                 }
 1280                 break;
 1281         case CHIP_RV730:
 1282                 dev_priv->r600_max_pipes = 2;
 1283                 dev_priv->r600_max_tile_pipes = 4;
 1284                 dev_priv->r600_max_simds = 8;
 1285                 dev_priv->r600_max_backends = 2;
 1286                 dev_priv->r600_max_gprs = 128;
 1287                 dev_priv->r600_max_threads = 248;
 1288                 dev_priv->r600_max_stack_entries = 256;
 1289                 dev_priv->r600_max_hw_contexts = 8;
 1290                 dev_priv->r600_max_gs_threads = 16 * 2;
 1291                 dev_priv->r600_sx_max_export_size = 256;
 1292                 dev_priv->r600_sx_max_export_pos_size = 32;
 1293                 dev_priv->r600_sx_max_export_smx_size = 224;
 1294                 dev_priv->r600_sq_num_cf_insts = 2;
 1295 
 1296                 dev_priv->r700_sx_num_of_sets = 7;
 1297                 dev_priv->r700_sc_prim_fifo_size = 0xf9;
 1298                 dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
 1299                 dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
 1300 
 1301                 if (dev_priv->r600_sx_max_export_pos_size > 16) {
 1302                         dev_priv->r600_sx_max_export_pos_size -= 16;
 1303                         dev_priv->r600_sx_max_export_smx_size += 16;
 1304                 }
 1305                 break;
 1306         case CHIP_RV710:
 1307                 dev_priv->r600_max_pipes = 2;
 1308                 dev_priv->r600_max_tile_pipes = 2;
 1309                 dev_priv->r600_max_simds = 2;
 1310                 dev_priv->r600_max_backends = 1;
 1311                 dev_priv->r600_max_gprs = 256;
 1312                 dev_priv->r600_max_threads = 192;
 1313                 dev_priv->r600_max_stack_entries = 256;
 1314                 dev_priv->r600_max_hw_contexts = 4;
 1315                 dev_priv->r600_max_gs_threads = 8 * 2;
 1316                 dev_priv->r600_sx_max_export_size = 128;
 1317                 dev_priv->r600_sx_max_export_pos_size = 16;
 1318                 dev_priv->r600_sx_max_export_smx_size = 112;
 1319                 dev_priv->r600_sq_num_cf_insts = 1;
 1320 
 1321                 dev_priv->r700_sx_num_of_sets = 7;
 1322                 dev_priv->r700_sc_prim_fifo_size = 0x40;
 1323                 dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
 1324                 dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
 1325                 break;
 1326         default:
 1327                 break;
 1328         }
 1329 
 1330         /* Initialize HDP */
 1331         j = 0;
 1332         for (i = 0; i < 32; i++) {
 1333                 RADEON_WRITE((0x2c14 + j), 0x00000000);
 1334                 RADEON_WRITE((0x2c18 + j), 0x00000000);
 1335                 RADEON_WRITE((0x2c1c + j), 0x00000000);
 1336                 RADEON_WRITE((0x2c20 + j), 0x00000000);
 1337                 RADEON_WRITE((0x2c24 + j), 0x00000000);
 1338                 j += 0x18;
 1339         }
 1340 
 1341         RADEON_WRITE(R600_GRBM_CNTL, R600_GRBM_READ_TIMEOUT(0xff));
 1342 
 1343         /* setup tiling, simd, pipe config */
 1344         mc_arb_ramcfg = RADEON_READ(R700_MC_ARB_RAMCFG);
 1345 
 1346         switch (dev_priv->r600_max_tile_pipes) {
 1347         case 1:
 1348                 gb_tiling_config |= R600_PIPE_TILING(0);
 1349                 break;
 1350         case 2:
 1351                 gb_tiling_config |= R600_PIPE_TILING(1);
 1352                 break;
 1353         case 4:
 1354                 gb_tiling_config |= R600_PIPE_TILING(2);
 1355                 break;
 1356         case 8:
 1357                 gb_tiling_config |= R600_PIPE_TILING(3);
 1358                 break;
 1359         default:
 1360                 break;
 1361         }
 1362 
 1363         if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV770)
 1364                 gb_tiling_config |= R600_BANK_TILING(1);
 1365         else
 1366                 gb_tiling_config |= R600_BANK_TILING((mc_arb_ramcfg >> R700_NOOFBANK_SHIFT) & R700_NOOFBANK_MASK);
 1367 
 1368         gb_tiling_config |= R600_GROUP_SIZE(0);
 1369 
 1370         if (((mc_arb_ramcfg >> R700_NOOFROWS_SHIFT) & R700_NOOFROWS_MASK) > 3) {
 1371                 gb_tiling_config |= R600_ROW_TILING(3);
 1372                 gb_tiling_config |= R600_SAMPLE_SPLIT(3);
 1373         } else {
 1374                 gb_tiling_config |=
 1375                         R600_ROW_TILING(((mc_arb_ramcfg >> R700_NOOFROWS_SHIFT) & R700_NOOFROWS_MASK));
 1376                 gb_tiling_config |=
 1377                         R600_SAMPLE_SPLIT(((mc_arb_ramcfg >> R700_NOOFROWS_SHIFT) & R700_NOOFROWS_MASK));
 1378         }
 1379 
 1380         gb_tiling_config |= R600_BANK_SWAPS(1);
 1381 
 1382         backend_map = r700_get_tile_pipe_to_backend_map(dev_priv->r600_max_tile_pipes,
 1383                                                         dev_priv->r600_max_backends,
 1384                                                         (0xff << dev_priv->r600_max_backends) & 0xff);
 1385         gb_tiling_config |= R600_BACKEND_MAP(backend_map);
 1386 
 1387         cc_gc_shader_pipe_config =
 1388                 R600_INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << dev_priv->r600_max_pipes) & R7XX_MAX_PIPES_MASK);
 1389         cc_gc_shader_pipe_config |=
 1390                 R600_INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << dev_priv->r600_max_simds) & R7XX_MAX_SIMDS_MASK);
 1391 
 1392         cc_rb_backend_disable =
 1393                 R600_BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R7XX_MAX_BACKENDS_MASK);
 1394 
 1395         RADEON_WRITE(R600_GB_TILING_CONFIG,      gb_tiling_config);
 1396         RADEON_WRITE(R600_DCP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
 1397         RADEON_WRITE(R600_HDP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
 1398 
 1399         RADEON_WRITE(R600_CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
 1400         RADEON_WRITE(R600_CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
 1401         RADEON_WRITE(R600_GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
 1402 
 1403         RADEON_WRITE(R700_CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
 1404         RADEON_WRITE(R700_CGTS_SYS_TCC_DISABLE, 0);
 1405         RADEON_WRITE(R700_CGTS_TCC_DISABLE, 0);
 1406         RADEON_WRITE(R700_CGTS_USER_SYS_TCC_DISABLE, 0);
 1407         RADEON_WRITE(R700_CGTS_USER_TCC_DISABLE, 0);
 1408 
 1409         num_qd_pipes =
 1410                 R7XX_MAX_BACKENDS - r600_count_pipe_bits(cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK);
 1411         RADEON_WRITE(R600_VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & R600_DEALLOC_DIST_MASK);
 1412         RADEON_WRITE(R600_VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & R600_VTX_REUSE_DEPTH_MASK);
 1413 
 1414         /* set HW defaults for 3D engine */
 1415         RADEON_WRITE(R600_CP_QUEUE_THRESHOLDS, (R600_ROQ_IB1_START(0x16) |
 1416                                                 R600_ROQ_IB2_START(0x2b)));
 1417 
 1418         RADEON_WRITE(R600_CP_MEQ_THRESHOLDS, R700_STQ_SPLIT(0x30));
 1419 
 1420         RADEON_WRITE(R600_TA_CNTL_AUX, (R600_DISABLE_CUBE_ANISO |
 1421                                         R600_SYNC_GRADIENT |
 1422                                         R600_SYNC_WALKER |
 1423                                         R600_SYNC_ALIGNER));
 1424 
 1425         sx_debug_1 = RADEON_READ(R700_SX_DEBUG_1);
 1426         sx_debug_1 |= R700_ENABLE_NEW_SMX_ADDRESS;
 1427         RADEON_WRITE(R700_SX_DEBUG_1, sx_debug_1);
 1428 
 1429         smx_dc_ctl0 = RADEON_READ(R600_SMX_DC_CTL0);
 1430         smx_dc_ctl0 &= ~R700_CACHE_DEPTH(0x1ff);
 1431         smx_dc_ctl0 |= R700_CACHE_DEPTH((dev_priv->r700_sx_num_of_sets * 64) - 1);
 1432         RADEON_WRITE(R600_SMX_DC_CTL0, smx_dc_ctl0);
 1433 
 1434         RADEON_WRITE(R700_SMX_EVENT_CTL, (R700_ES_FLUSH_CTL(4) |
 1435                                           R700_GS_FLUSH_CTL(4) |
 1436                                           R700_ACK_FLUSH_CTL(3) |
 1437                                           R700_SYNC_FLUSH_CTL));
 1438 
 1439         if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV770)
 1440                 RADEON_WRITE(R700_DB_DEBUG3, R700_DB_CLK_OFF_DELAY(0x1f));
 1441         else {
 1442                 db_debug4 = RADEON_READ(RV700_DB_DEBUG4);
 1443                 db_debug4 |= RV700_DISABLE_TILE_COVERED_FOR_PS_ITER;
 1444                 RADEON_WRITE(RV700_DB_DEBUG4, db_debug4);
 1445         }
 1446 
 1447         RADEON_WRITE(R600_SX_EXPORT_BUFFER_SIZES, (R600_COLOR_BUFFER_SIZE((dev_priv->r600_sx_max_export_size / 4) - 1) |
 1448                                                    R600_POSITION_BUFFER_SIZE((dev_priv->r600_sx_max_export_pos_size / 4) - 1) |
 1449                                                    R600_SMX_BUFFER_SIZE((dev_priv->r600_sx_max_export_smx_size / 4) - 1)));
 1450 
 1451         RADEON_WRITE(R700_PA_SC_FIFO_SIZE_R7XX, (R700_SC_PRIM_FIFO_SIZE(dev_priv->r700_sc_prim_fifo_size) |
 1452                                                  R700_SC_HIZ_TILE_FIFO_SIZE(dev_priv->r700_sc_hiz_tile_fifo_size) |
 1453                                                  R700_SC_EARLYZ_TILE_FIFO_SIZE(dev_priv->r700_sc_earlyz_tile_fifo_fize)));
 1454 
 1455         RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
 1456 
 1457         RADEON_WRITE(R600_VGT_NUM_INSTANCES, 1);
 1458 
 1459         RADEON_WRITE(R600_SPI_CONFIG_CNTL, R600_GPR_WRITE_PRIORITY(0));
 1460 
 1461         RADEON_WRITE(R600_SPI_CONFIG_CNTL_1, R600_VTX_DONE_DELAY(4));
 1462 
 1463         RADEON_WRITE(R600_CP_PERFMON_CNTL, 0);
 1464 
 1465         sq_ms_fifo_sizes = (R600_CACHE_FIFO_SIZE(16 * dev_priv->r600_sq_num_cf_insts) |
 1466                             R600_DONE_FIFO_HIWATER(0xe0) |
 1467                             R600_ALU_UPDATE_FIFO_HIWATER(0x8));
 1468         switch (dev_priv->flags & RADEON_FAMILY_MASK) {
 1469         case CHIP_RV770:
 1470                 sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x1);
 1471                 break;
 1472         case CHIP_RV740:
 1473         case CHIP_RV730:
 1474         case CHIP_RV710:
 1475         default:
 1476                 sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x4);
 1477                 break;
 1478         }
 1479         RADEON_WRITE(R600_SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
 1480 
 1481         /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
 1482          * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
 1483          */
 1484         sq_config = RADEON_READ(R600_SQ_CONFIG);
 1485         sq_config &= ~(R600_PS_PRIO(3) |
 1486                        R600_VS_PRIO(3) |
 1487                        R600_GS_PRIO(3) |
 1488                        R600_ES_PRIO(3));
 1489         sq_config |= (R600_DX9_CONSTS |
 1490                       R600_VC_ENABLE |
 1491                       R600_EXPORT_SRC_C |
 1492                       R600_PS_PRIO(0) |
 1493                       R600_VS_PRIO(1) |
 1494                       R600_GS_PRIO(2) |
 1495                       R600_ES_PRIO(3));
 1496         if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV710)
 1497                 /* no vertex cache */
 1498                 sq_config &= ~R600_VC_ENABLE;
 1499 
 1500         RADEON_WRITE(R600_SQ_CONFIG, sq_config);
 1501 
 1502         RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_1,  (R600_NUM_PS_GPRS((dev_priv->r600_max_gprs * 24)/64) |
 1503                                                     R600_NUM_VS_GPRS((dev_priv->r600_max_gprs * 24)/64) |
 1504                                                     R600_NUM_CLAUSE_TEMP_GPRS(((dev_priv->r600_max_gprs * 24)/64)/2)));
 1505 
 1506         RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_2,  (R600_NUM_GS_GPRS((dev_priv->r600_max_gprs * 7)/64) |
 1507                                                     R600_NUM_ES_GPRS((dev_priv->r600_max_gprs * 7)/64)));
 1508 
 1509         sq_thread_resource_mgmt = (R600_NUM_PS_THREADS((dev_priv->r600_max_threads * 4)/8) |
 1510                                    R600_NUM_VS_THREADS((dev_priv->r600_max_threads * 2)/8) |
 1511                                    R600_NUM_ES_THREADS((dev_priv->r600_max_threads * 1)/8));
 1512         if (((dev_priv->r600_max_threads * 1) / 8) > dev_priv->r600_max_gs_threads)
 1513                 sq_thread_resource_mgmt |= R600_NUM_GS_THREADS(dev_priv->r600_max_gs_threads);
 1514         else
 1515                 sq_thread_resource_mgmt |= R600_NUM_GS_THREADS((dev_priv->r600_max_gs_threads * 1)/8);
 1516         RADEON_WRITE(R600_SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
 1517 
 1518         RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_1, (R600_NUM_PS_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4) |
 1519                                                      R600_NUM_VS_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4)));
 1520 
 1521         RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_2, (R600_NUM_GS_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4) |
 1522                                                      R600_NUM_ES_STACK_ENTRIES((dev_priv->r600_max_stack_entries * 1)/4)));
 1523 
 1524         sq_dyn_gpr_size_simd_ab_0 = (R700_SIMDA_RING0((dev_priv->r600_max_gprs * 38)/64) |
 1525                                      R700_SIMDA_RING1((dev_priv->r600_max_gprs * 38)/64) |
 1526                                      R700_SIMDB_RING0((dev_priv->r600_max_gprs * 38)/64) |
 1527                                      R700_SIMDB_RING1((dev_priv->r600_max_gprs * 38)/64));
 1528 
 1529         RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
 1530         RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
 1531         RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
 1532         RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
 1533         RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
 1534         RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
 1535         RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
 1536         RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
 1537 
 1538         RADEON_WRITE(R700_PA_SC_FORCE_EOV_MAX_CNTS, (R700_FORCE_EOV_MAX_CLK_CNT(4095) |
 1539                                                      R700_FORCE_EOV_MAX_REZ_CNT(255)));
 1540 
 1541         if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV710)
 1542                 RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, (R600_CACHE_INVALIDATION(R600_TC_ONLY) |
 1543                                                            R700_AUTO_INVLD_EN(R700_ES_AND_GS_AUTO)));
 1544         else
 1545                 RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, (R600_CACHE_INVALIDATION(R600_VC_AND_TC) |
 1546                                                            R700_AUTO_INVLD_EN(R700_ES_AND_GS_AUTO)));
 1547 
 1548         switch (dev_priv->flags & RADEON_FAMILY_MASK) {
 1549         case CHIP_RV770:
 1550         case CHIP_RV740:
 1551         case CHIP_RV730:
 1552                 gs_prim_buffer_depth = 384;
 1553                 break;
 1554         case CHIP_RV710:
 1555                 gs_prim_buffer_depth = 128;
 1556                 break;
 1557         default:
 1558                 break;
 1559         }
 1560 
 1561         num_gs_verts_per_thread = dev_priv->r600_max_pipes * 16;
 1562         vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
 1563         /* Max value for this is 256 */
 1564         if (vgt_gs_per_es > 256)
 1565                 vgt_gs_per_es = 256;
 1566 
 1567         RADEON_WRITE(R600_VGT_ES_PER_GS, 128);
 1568         RADEON_WRITE(R600_VGT_GS_PER_ES, vgt_gs_per_es);
 1569         RADEON_WRITE(R600_VGT_GS_PER_VS, 2);
 1570 
 1571         /* more default values. 2D/3D driver should adjust as needed */
 1572         RADEON_WRITE(R600_VGT_GS_VERTEX_REUSE, 16);
 1573         RADEON_WRITE(R600_PA_SC_LINE_STIPPLE_STATE, 0);
 1574         RADEON_WRITE(R600_VGT_STRMOUT_EN, 0);
 1575         RADEON_WRITE(R600_SX_MISC, 0);
 1576         RADEON_WRITE(R600_PA_SC_MODE_CNTL, 0);
 1577         RADEON_WRITE(R700_PA_SC_EDGERULE, 0xaaaaaaaa);
 1578         RADEON_WRITE(R600_PA_SC_AA_CONFIG, 0);
 1579         RADEON_WRITE(R600_PA_SC_CLIPRECT_RULE, 0xffff);
 1580         RADEON_WRITE(R600_PA_SC_LINE_STIPPLE, 0);
 1581         RADEON_WRITE(R600_SPI_INPUT_Z, 0);
 1582         RADEON_WRITE(R600_SPI_PS_IN_CONTROL_0, R600_NUM_INTERP(2));
 1583         RADEON_WRITE(R600_CB_COLOR7_FRAG, 0);
 1584 
 1585         /* clear render buffer base addresses */
 1586         RADEON_WRITE(R600_CB_COLOR0_BASE, 0);
 1587         RADEON_WRITE(R600_CB_COLOR1_BASE, 0);
 1588         RADEON_WRITE(R600_CB_COLOR2_BASE, 0);
 1589         RADEON_WRITE(R600_CB_COLOR3_BASE, 0);
 1590         RADEON_WRITE(R600_CB_COLOR4_BASE, 0);
 1591         RADEON_WRITE(R600_CB_COLOR5_BASE, 0);
 1592         RADEON_WRITE(R600_CB_COLOR6_BASE, 0);
 1593         RADEON_WRITE(R600_CB_COLOR7_BASE, 0);
 1594 
 1595         RADEON_WRITE(R700_TCP_CNTL, 0);
 1596 
 1597         hdp_host_path_cntl = RADEON_READ(R600_HDP_HOST_PATH_CNTL);
 1598         RADEON_WRITE(R600_HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
 1599 
 1600         RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL, 0);
 1601 
 1602         RADEON_WRITE(R600_PA_CL_ENHANCE, (R600_CLIP_VTX_REORDER_ENA |
 1603                                           R600_NUM_CLIP_SEQ(3)));
 1604 
 1605 }
 1606 
 1607 static void r600_cp_init_ring_buffer(struct drm_device *dev,
 1608                                        drm_radeon_private_t *dev_priv,
 1609                                        struct drm_file *file_priv)
 1610 {
 1611         u32 ring_start;
 1612         u64 rptr_addr;
 1613 
 1614         if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770))
 1615                 r700_gfx_init(dev, dev_priv);
 1616         else
 1617                 r600_gfx_init(dev, dev_priv);
 1618 
 1619         RADEON_WRITE(R600_GRBM_SOFT_RESET, R600_SOFT_RESET_CP);
 1620         RADEON_READ(R600_GRBM_SOFT_RESET);
 1621         DRM_UDELAY(15000);
 1622         RADEON_WRITE(R600_GRBM_SOFT_RESET, 0);
 1623 
 1624 
 1625         /* Set ring buffer size */
 1626 #ifdef __BIG_ENDIAN
 1627         RADEON_WRITE(R600_CP_RB_CNTL,
 1628                      RADEON_BUF_SWAP_32BIT |
 1629                      RADEON_RB_NO_UPDATE |
 1630                      (dev_priv->ring.rptr_update_l2qw << 8) |
 1631                      dev_priv->ring.size_l2qw);
 1632 #else
 1633         RADEON_WRITE(R600_CP_RB_CNTL,
 1634                      RADEON_RB_NO_UPDATE |
 1635                      (dev_priv->ring.rptr_update_l2qw << 8) |
 1636                      dev_priv->ring.size_l2qw);
 1637 #endif
 1638 
 1639         RADEON_WRITE(R600_CP_SEM_WAIT_TIMER, 0x4);
 1640 
 1641         /* Set the write pointer delay */
 1642         RADEON_WRITE(R600_CP_RB_WPTR_DELAY, 0);
 1643 
 1644 #ifdef __BIG_ENDIAN
 1645         RADEON_WRITE(R600_CP_RB_CNTL,
 1646                      RADEON_BUF_SWAP_32BIT |
 1647                      RADEON_RB_NO_UPDATE |
 1648                      RADEON_RB_RPTR_WR_ENA |
 1649                      (dev_priv->ring.rptr_update_l2qw << 8) |
 1650                      dev_priv->ring.size_l2qw);
 1651 #else
 1652         RADEON_WRITE(R600_CP_RB_CNTL,
 1653                      RADEON_RB_NO_UPDATE |
 1654                      RADEON_RB_RPTR_WR_ENA |
 1655                      (dev_priv->ring.rptr_update_l2qw << 8) |
 1656                      dev_priv->ring.size_l2qw);
 1657 #endif
 1658 
 1659         /* Initialize the ring buffer's read and write pointers */
 1660         RADEON_WRITE(R600_CP_RB_RPTR_WR, 0);
 1661         RADEON_WRITE(R600_CP_RB_WPTR, 0);
 1662         SET_RING_HEAD(dev_priv, 0);
 1663         dev_priv->ring.tail = 0;
 1664 
 1665 #if __OS_HAS_AGP
 1666         if (dev_priv->flags & RADEON_IS_AGP) {
 1667                 rptr_addr = dev_priv->ring_rptr->offset
 1668                         - dev->agp->base +
 1669                         dev_priv->gart_vm_start;
 1670         } else
 1671 #endif
 1672         {
 1673                 rptr_addr = dev_priv->ring_rptr->offset - dev->sg->vaddr +
 1674                     dev_priv->gart_vm_start;
 1675         }
 1676         RADEON_WRITE(R600_CP_RB_RPTR_ADDR,
 1677                      rptr_addr & 0xffffffff);
 1678         RADEON_WRITE(R600_CP_RB_RPTR_ADDR_HI,
 1679                      upper_32_bits(rptr_addr));
 1680 
 1681 #ifdef __BIG_ENDIAN
 1682         RADEON_WRITE(R600_CP_RB_CNTL,
 1683                      RADEON_BUF_SWAP_32BIT |
 1684                      (dev_priv->ring.rptr_update_l2qw << 8) |
 1685                      dev_priv->ring.size_l2qw);
 1686 #else
 1687         RADEON_WRITE(R600_CP_RB_CNTL,
 1688                      (dev_priv->ring.rptr_update_l2qw << 8) |
 1689                      dev_priv->ring.size_l2qw);
 1690 #endif
 1691 
 1692 #if __OS_HAS_AGP
 1693         if (dev_priv->flags & RADEON_IS_AGP) {
 1694                 /* XXX */
 1695                 radeon_write_agp_base(dev_priv, dev->agp->base);
 1696 
 1697                 /* XXX */
 1698                 radeon_write_agp_location(dev_priv,
 1699                              (((dev_priv->gart_vm_start - 1 +
 1700                                 dev_priv->gart_size) & 0xffff0000) |
 1701                               (dev_priv->gart_vm_start >> 16)));
 1702 
 1703                 ring_start = (dev_priv->cp_ring->offset
 1704                               - dev->agp->base
 1705                               + dev_priv->gart_vm_start);
 1706         } else
 1707 #endif
 1708                 ring_start = dev_priv->cp_ring->offset - dev->sg->vaddr +
 1709                     dev_priv->gart_vm_start;
 1710 
 1711         RADEON_WRITE(R600_CP_RB_BASE, ring_start >> 8);
 1712 
 1713         RADEON_WRITE(R600_CP_ME_CNTL, 0xff);
 1714 
 1715         RADEON_WRITE(R600_CP_DEBUG, (1 << 27) | (1 << 28));
 1716 
 1717         /* Initialize the scratch register pointer.  This will cause
 1718          * the scratch register values to be written out to memory
 1719          * whenever they are updated.
 1720          *
 1721          * We simply put this behind the ring read pointer, this works
 1722          * with PCI GART as well as (whatever kind of) AGP GART
 1723          */
 1724         {
 1725                 u64 scratch_addr;
 1726 
 1727                 scratch_addr = RADEON_READ(R600_CP_RB_RPTR_ADDR);
 1728                 scratch_addr |= ((u64)RADEON_READ(R600_CP_RB_RPTR_ADDR_HI)) << 32;
 1729                 scratch_addr += R600_SCRATCH_REG_OFFSET;
 1730                 scratch_addr >>= 8;
 1731                 scratch_addr &= 0xffffffff;
 1732 
 1733                 RADEON_WRITE(R600_SCRATCH_ADDR, (uint32_t)scratch_addr);
 1734         }
 1735 
 1736         RADEON_WRITE(R600_SCRATCH_UMSK, 0x7);
 1737 
 1738         /* Turn on bus mastering */
 1739         radeon_enable_bm(dev_priv);
 1740 
 1741         radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(0), 0);
 1742         RADEON_WRITE(R600_LAST_FRAME_REG, 0);
 1743 
 1744         radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(1), 0);
 1745         RADEON_WRITE(R600_LAST_DISPATCH_REG, 0);
 1746 
 1747         radeon_write_ring_rptr(dev_priv, R600_SCRATCHOFF(2), 0);
 1748         RADEON_WRITE(R600_LAST_CLEAR_REG, 0);
 1749 
 1750         /* reset sarea copies of these */
 1751         if (dev_priv->sarea_priv) {
 1752                 dev_priv->sarea_priv->last_frame = 0;
 1753                 dev_priv->sarea_priv->last_dispatch = 0;
 1754                 dev_priv->sarea_priv->last_clear = 0;
 1755         }
 1756 
 1757         r600_do_wait_for_idle(dev_priv);
 1758 
 1759 }
 1760 
 1761 int r600_do_cleanup_cp(struct drm_device *dev)
 1762 {
 1763         drm_radeon_private_t *dev_priv = dev->dev_private;
 1764         DRM_DEBUG("\n");
 1765 
 1766         /* Make sure interrupts are disabled here because the uninstall ioctl
 1767          * may not have been called from userspace and after dev_private
 1768          * is freed, it's too late.
 1769          */
 1770         if (dev->irq_enabled)
 1771                 drm_irq_uninstall(dev);
 1772 
 1773 #if __OS_HAS_AGP
 1774         if (dev_priv->flags & RADEON_IS_AGP) {
 1775                 if (dev_priv->cp_ring != NULL) {
 1776                         drm_core_ioremapfree(dev_priv->cp_ring, dev);
 1777                         dev_priv->cp_ring = NULL;
 1778                 }
 1779                 if (dev_priv->ring_rptr != NULL) {
 1780                         drm_core_ioremapfree(dev_priv->ring_rptr, dev);
 1781                         dev_priv->ring_rptr = NULL;
 1782                 }
 1783                 if (dev->agp_buffer_map != NULL) {
 1784                         drm_core_ioremapfree(dev->agp_buffer_map, dev);
 1785                         dev->agp_buffer_map = NULL;
 1786                 }
 1787         } else
 1788 #endif
 1789         {
 1790 
 1791                 if (dev_priv->gart_info.bus_addr)
 1792                         r600_page_table_cleanup(dev, &dev_priv->gart_info);
 1793 
 1794                 if (dev_priv->gart_info.gart_table_location == DRM_ATI_GART_FB) {
 1795                         drm_core_ioremapfree(&dev_priv->gart_info.mapping, dev);
 1796                         dev_priv->gart_info.addr = 0;
 1797                 }
 1798         }
 1799         /* only clear to the start of flags */
 1800         memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags));
 1801 
 1802         return 0;
 1803 }
 1804 
 1805 int r600_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init,
 1806                     struct drm_file *file_priv)
 1807 {
 1808         drm_radeon_private_t *dev_priv = dev->dev_private;
 1809 
 1810         DRM_DEBUG("\n");
 1811 
 1812         /* if we require new memory map but we don't have it fail */
 1813         if ((dev_priv->flags & RADEON_NEW_MEMMAP) && !dev_priv->new_memmap) {
 1814                 DRM_ERROR("Cannot initialise DRM on this card\nThis card requires a new X.org DDX for 3D\n");
 1815                 r600_do_cleanup_cp(dev);
 1816                 return -EINVAL;
 1817         }
 1818 
 1819         if (init->is_pci && (dev_priv->flags & RADEON_IS_AGP)) {
 1820                 DRM_DEBUG("Forcing AGP card to PCI mode\n");
 1821                 dev_priv->flags &= ~RADEON_IS_AGP;
 1822                 /* The writeback test succeeds, but when writeback is enabled,
 1823                  * the ring buffer read ptr update fails after first 128 bytes.
 1824                  */
 1825                 radeon_no_wb = 1;
 1826         } else if (!(dev_priv->flags & (RADEON_IS_AGP | RADEON_IS_PCI | RADEON_IS_PCIE))
 1827                  && !init->is_pci) {
 1828                 DRM_DEBUG("Restoring AGP flag\n");
 1829                 dev_priv->flags |= RADEON_IS_AGP;
 1830         }
 1831 
 1832         dev_priv->usec_timeout = init->usec_timeout;
 1833         if (dev_priv->usec_timeout < 1 ||
 1834             dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT) {
 1835                 DRM_DEBUG("TIMEOUT problem!\n");
 1836                 r600_do_cleanup_cp(dev);
 1837                 return -EINVAL;
 1838         }
 1839 
 1840         /* Enable vblank on CRTC1 for older X servers
 1841          */
 1842         dev_priv->vblank_crtc = DRM_RADEON_VBLANK_CRTC1;
 1843 
 1844         dev_priv->do_boxes = 0;
 1845         dev_priv->cp_mode = init->cp_mode;
 1846 
 1847         /* We don't support anything other than bus-mastering ring mode,
 1848          * but the ring can be in either AGP or PCI space for the ring
 1849          * read pointer.
 1850          */
 1851         if ((init->cp_mode != RADEON_CSQ_PRIBM_INDDIS) &&
 1852             (init->cp_mode != RADEON_CSQ_PRIBM_INDBM)) {
 1853                 DRM_DEBUG("BAD cp_mode (%x)!\n", init->cp_mode);
 1854                 r600_do_cleanup_cp(dev);
 1855                 return -EINVAL;
 1856         }
 1857 
 1858         switch (init->fb_bpp) {
 1859         case 16:
 1860                 dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565;
 1861                 break;
 1862         case 32:
 1863         default:
 1864                 dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888;
 1865                 break;
 1866         }
 1867         dev_priv->front_offset = init->front_offset;
 1868         dev_priv->front_pitch = init->front_pitch;
 1869         dev_priv->back_offset = init->back_offset;
 1870         dev_priv->back_pitch = init->back_pitch;
 1871 
 1872         dev_priv->ring_offset = init->ring_offset;
 1873         dev_priv->ring_rptr_offset = init->ring_rptr_offset;
 1874         dev_priv->buffers_offset = init->buffers_offset;
 1875         dev_priv->gart_textures_offset = init->gart_textures_offset;
 1876 
 1877         dev_priv->sarea = drm_getsarea(dev);
 1878         if (!dev_priv->sarea) {
 1879                 DRM_ERROR("could not find sarea!\n");
 1880                 r600_do_cleanup_cp(dev);
 1881                 return -EINVAL;
 1882         }
 1883 
 1884         dev_priv->cp_ring = drm_core_findmap(dev, init->ring_offset);
 1885         if (!dev_priv->cp_ring) {
 1886                 DRM_ERROR("could not find cp ring region!\n");
 1887                 r600_do_cleanup_cp(dev);
 1888                 return -EINVAL;
 1889         }
 1890         dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset);
 1891         if (!dev_priv->ring_rptr) {
 1892                 DRM_ERROR("could not find ring read pointer!\n");
 1893                 r600_do_cleanup_cp(dev);
 1894                 return -EINVAL;
 1895         }
 1896         dev->agp_buffer_token = init->buffers_offset;
 1897         dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
 1898         if (!dev->agp_buffer_map) {
 1899                 DRM_ERROR("could not find dma buffer region!\n");
 1900                 r600_do_cleanup_cp(dev);
 1901                 return -EINVAL;
 1902         }
 1903 
 1904         if (init->gart_textures_offset) {
 1905                 dev_priv->gart_textures =
 1906                     drm_core_findmap(dev, init->gart_textures_offset);
 1907                 if (!dev_priv->gart_textures) {
 1908                         DRM_ERROR("could not find GART texture region!\n");
 1909                         r600_do_cleanup_cp(dev);
 1910                         return -EINVAL;
 1911                 }
 1912         }
 1913 
 1914         dev_priv->sarea_priv =
 1915             (drm_radeon_sarea_t *) ((u8 *) dev_priv->sarea->virtual +
 1916                                     init->sarea_priv_offset);
 1917 
 1918 #if __OS_HAS_AGP
 1919         /* XXX */
 1920         if (dev_priv->flags & RADEON_IS_AGP) {
 1921                 drm_core_ioremap_wc(dev_priv->cp_ring, dev);
 1922                 drm_core_ioremap_wc(dev_priv->ring_rptr, dev);
 1923                 drm_core_ioremap_wc(dev->agp_buffer_map, dev);
 1924                 if (!dev_priv->cp_ring->virtual ||
 1925                     !dev_priv->ring_rptr->virtual ||
 1926                     !dev->agp_buffer_map->virtual) {
 1927                         DRM_ERROR("could not find ioremap agp regions!\n");
 1928                         r600_do_cleanup_cp(dev);
 1929                         return -EINVAL;
 1930                 }
 1931         } else
 1932 #endif
 1933         {
 1934                 dev_priv->cp_ring->virtual =
 1935                     (void *)dev_priv->cp_ring->offset;
 1936                 dev_priv->ring_rptr->virtual =
 1937                     (void *)dev_priv->ring_rptr->offset;
 1938                 dev->agp_buffer_map->virtual =
 1939                     (void *)dev->agp_buffer_map->offset;
 1940 
 1941                 DRM_DEBUG("dev_priv->cp_ring->virtual %p\n",
 1942                           dev_priv->cp_ring->virtual);
 1943                 DRM_DEBUG("dev_priv->ring_rptr->virtual %p\n",
 1944                           dev_priv->ring_rptr->virtual);
 1945                 DRM_DEBUG("dev->agp_buffer_map->virtual %p\n",
 1946                           dev->agp_buffer_map->virtual);
 1947         }
 1948 
 1949         dev_priv->fb_location = (radeon_read_fb_location(dev_priv) & 0xffff) << 24;
 1950         dev_priv->fb_size =
 1951                 (((radeon_read_fb_location(dev_priv) & 0xffff0000u) << 8) + 0x1000000)
 1952                 - dev_priv->fb_location;
 1953 
 1954         dev_priv->front_pitch_offset = (((dev_priv->front_pitch / 64) << 22) |
 1955                                         ((dev_priv->front_offset
 1956                                           + dev_priv->fb_location) >> 10));
 1957 
 1958         dev_priv->back_pitch_offset = (((dev_priv->back_pitch / 64) << 22) |
 1959                                        ((dev_priv->back_offset
 1960                                          + dev_priv->fb_location) >> 10));
 1961 
 1962         dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch / 64) << 22) |
 1963                                         ((dev_priv->depth_offset
 1964                                           + dev_priv->fb_location) >> 10));
 1965 
 1966         dev_priv->gart_size = init->gart_size;
 1967 
 1968         /* New let's set the memory map ... */
 1969         if (dev_priv->new_memmap) {
 1970                 u32 base = 0;
 1971 
 1972                 DRM_INFO("Setting GART location based on new memory map\n");
 1973 
 1974                 /* If using AGP, try to locate the AGP aperture at the same
 1975                  * location in the card and on the bus, though we have to
 1976                  * align it down.
 1977                  */
 1978 #if __OS_HAS_AGP
 1979                 /* XXX */
 1980                 if (dev_priv->flags & RADEON_IS_AGP) {
 1981                         base = dev->agp->base;
 1982                         /* Check if valid */
 1983                         if ((base + dev_priv->gart_size - 1) >= dev_priv->fb_location &&
 1984                             base < (dev_priv->fb_location + dev_priv->fb_size - 1)) {
 1985                                 DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n",
 1986                                          dev->agp->base);
 1987                                 base = 0;
 1988                         }
 1989                 }
 1990 #endif
 1991                 /* If not or if AGP is at 0 (Macs), try to put it elsewhere */
 1992                 if (base == 0) {
 1993                         base = dev_priv->fb_location + dev_priv->fb_size;
 1994                         if (base < dev_priv->fb_location ||
 1995                             ((base + dev_priv->gart_size) & 0xfffffffful) < base)
 1996                                 base = dev_priv->fb_location
 1997                                         - dev_priv->gart_size;
 1998                 }
 1999                 dev_priv->gart_vm_start = base & 0xffc00000u;
 2000                 if (dev_priv->gart_vm_start != base)
 2001                         DRM_INFO("GART aligned down from 0x%08x to 0x%08x\n",
 2002                                  base, dev_priv->gart_vm_start);
 2003         }
 2004 
 2005 #if __OS_HAS_AGP
 2006         /* XXX */
 2007         if (dev_priv->flags & RADEON_IS_AGP)
 2008                 dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
 2009                                                  - dev->agp->base
 2010                                                  + dev_priv->gart_vm_start);
 2011         else
 2012 #endif
 2013                 dev_priv->gart_buffers_offset = dev->agp_buffer_map->offset -
 2014                     dev->sg->vaddr + dev_priv->gart_vm_start;
 2015 
 2016         DRM_DEBUG("fb 0x%08x size %d\n",
 2017                   (unsigned int) dev_priv->fb_location,
 2018                   (unsigned int) dev_priv->fb_size);
 2019         DRM_DEBUG("dev_priv->gart_size %d\n", dev_priv->gart_size);
 2020         DRM_DEBUG("dev_priv->gart_vm_start 0x%08x\n",
 2021                   (unsigned int) dev_priv->gart_vm_start);
 2022         DRM_DEBUG("dev_priv->gart_buffers_offset 0x%08lx\n",
 2023                   dev_priv->gart_buffers_offset);
 2024 
 2025         dev_priv->ring.start = (u32 *) dev_priv->cp_ring->virtual;
 2026         dev_priv->ring.end = ((u32 *) dev_priv->cp_ring->virtual
 2027                               + init->ring_size / sizeof(u32));
 2028         dev_priv->ring.size = init->ring_size;
 2029         dev_priv->ring.size_l2qw = drm_order(init->ring_size / 8);
 2030 
 2031         dev_priv->ring.rptr_update = /* init->rptr_update */ 4096;
 2032         dev_priv->ring.rptr_update_l2qw = drm_order(/* init->rptr_update */ 4096 / 8);
 2033 
 2034         dev_priv->ring.fetch_size = /* init->fetch_size */ 32;
 2035         dev_priv->ring.fetch_size_l2ow = drm_order(/* init->fetch_size */ 32 / 16);
 2036 
 2037         dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1;
 2038 
 2039         dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
 2040 
 2041 #if __OS_HAS_AGP
 2042         if (dev_priv->flags & RADEON_IS_AGP) {
 2043                 /* XXX turn off pcie gart */
 2044         } else
 2045 #endif
 2046         {
 2047                 dev_priv->gart_info.table_mask = DMA_BIT_MASK(32);
 2048                 /* if we have an offset set from userspace */
 2049                 if (!dev_priv->pcigart_offset_set) {
 2050                         DRM_ERROR("Need gart offset from userspace\n");
 2051                         r600_do_cleanup_cp(dev);
 2052                         return -EINVAL;
 2053                 }
 2054 
 2055                 DRM_DEBUG("Using gart offset 0x%08lx\n", dev_priv->pcigart_offset);
 2056 
 2057                 dev_priv->gart_info.bus_addr =
 2058                         dev_priv->pcigart_offset + dev_priv->fb_location;
 2059                 dev_priv->gart_info.mapping.offset =
 2060                         dev_priv->pcigart_offset + dev_priv->fb_aper_offset;
 2061                 dev_priv->gart_info.mapping.size =
 2062                         dev_priv->gart_info.table_size;
 2063 
 2064                 drm_core_ioremap_wc(&dev_priv->gart_info.mapping, dev);
 2065                 if (!dev_priv->gart_info.mapping.virtual) {
 2066                         DRM_ERROR("ioremap failed.\n");
 2067                         r600_do_cleanup_cp(dev);
 2068                         return -EINVAL;
 2069                 }
 2070 
 2071                 dev_priv->gart_info.addr =
 2072                         dev_priv->gart_info.mapping.virtual;
 2073 
 2074                 DRM_DEBUG("Setting phys_pci_gart to %p %08lX\n",
 2075                           dev_priv->gart_info.addr,
 2076                           dev_priv->pcigart_offset);
 2077 
 2078                 if (!r600_page_table_init(dev)) {
 2079                         DRM_ERROR("Failed to init GART table\n");
 2080                         r600_do_cleanup_cp(dev);
 2081                         return -EINVAL;
 2082                 }
 2083 
 2084                 if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770))
 2085                         r700_vm_init(dev);
 2086                 else
 2087                         r600_vm_init(dev);
 2088         }
 2089 
 2090         if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770))
 2091                 r700_cp_load_microcode(dev_priv);
 2092         else
 2093                 r600_cp_load_microcode(dev_priv);
 2094 
 2095         r600_cp_init_ring_buffer(dev, dev_priv, file_priv);
 2096 
 2097         dev_priv->last_buf = 0;
 2098 
 2099         r600_do_engine_reset(dev);
 2100         r600_test_writeback(dev_priv);
 2101 
 2102         r600_cs_init(dev);
 2103 
 2104         return 0;
 2105 }
 2106 
 2107 int r600_do_resume_cp(struct drm_device *dev, struct drm_file *file_priv)
 2108 {
 2109         drm_radeon_private_t *dev_priv = dev->dev_private;
 2110 
 2111         DRM_DEBUG("\n");
 2112         if (((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)) {
 2113                 r700_vm_init(dev);
 2114                 r700_cp_load_microcode(dev_priv);
 2115         } else {
 2116                 r600_vm_init(dev);
 2117                 r600_cp_load_microcode(dev_priv);
 2118         }
 2119         r600_cp_init_ring_buffer(dev, dev_priv, file_priv);
 2120         r600_do_engine_reset(dev);
 2121 
 2122         return 0;
 2123 }
 2124 
 2125 /* Wait for the CP to go idle.
 2126  */
 2127 int r600_do_cp_idle(drm_radeon_private_t *dev_priv)
 2128 {
 2129         RING_LOCALS;
 2130         DRM_DEBUG("\n");
 2131 
 2132         BEGIN_RING(5);
 2133         OUT_RING(CP_PACKET3(R600_IT_EVENT_WRITE, 0));
 2134         OUT_RING(R600_CACHE_FLUSH_AND_INV_EVENT);
 2135         /* wait for 3D idle clean */
 2136         OUT_RING(CP_PACKET3(R600_IT_SET_CONFIG_REG, 1));
 2137         OUT_RING((R600_WAIT_UNTIL - R600_SET_CONFIG_REG_OFFSET) >> 2);
 2138         OUT_RING(RADEON_WAIT_3D_IDLE | RADEON_WAIT_3D_IDLECLEAN);
 2139 
 2140         ADVANCE_RING();
 2141         COMMIT_RING();
 2142 
 2143         return r600_do_wait_for_idle(dev_priv);
 2144 }
 2145 
 2146 /* Start the Command Processor.
 2147  */
 2148 void r600_do_cp_start(drm_radeon_private_t *dev_priv)
 2149 {
 2150         u32 cp_me;
 2151         RING_LOCALS;
 2152         DRM_DEBUG("\n");
 2153 
 2154         BEGIN_RING(7);
 2155         OUT_RING(CP_PACKET3(R600_IT_ME_INITIALIZE, 5));
 2156         OUT_RING(0x00000001);
 2157         if (((dev_priv->flags & RADEON_FAMILY_MASK) < CHIP_RV770))
 2158                 OUT_RING(0x00000003);
 2159         else
 2160                 OUT_RING(0x00000000);
 2161         OUT_RING((dev_priv->r600_max_hw_contexts - 1));
 2162         OUT_RING(R600_ME_INITIALIZE_DEVICE_ID(1));
 2163         OUT_RING(0x00000000);
 2164         OUT_RING(0x00000000);
 2165         ADVANCE_RING();
 2166         COMMIT_RING();
 2167 
 2168         /* set the mux and reset the halt bit */
 2169         cp_me = 0xff;
 2170         RADEON_WRITE(R600_CP_ME_CNTL, cp_me);
 2171 
 2172         dev_priv->cp_running = 1;
 2173 
 2174 }
 2175 
 2176 void r600_do_cp_reset(drm_radeon_private_t *dev_priv)
 2177 {
 2178         u32 cur_read_ptr;
 2179         DRM_DEBUG("\n");
 2180 
 2181         cur_read_ptr = RADEON_READ(R600_CP_RB_RPTR);
 2182         RADEON_WRITE(R600_CP_RB_WPTR, cur_read_ptr);
 2183         SET_RING_HEAD(dev_priv, cur_read_ptr);
 2184         dev_priv->ring.tail = cur_read_ptr;
 2185 }
 2186 
 2187 void r600_do_cp_stop(drm_radeon_private_t *dev_priv)
 2188 {
 2189         uint32_t cp_me;
 2190 
 2191         DRM_DEBUG("\n");
 2192 
 2193         cp_me = 0xff | R600_CP_ME_HALT;
 2194 
 2195         RADEON_WRITE(R600_CP_ME_CNTL, cp_me);
 2196 
 2197         dev_priv->cp_running = 0;
 2198 }
 2199 
 2200 int r600_cp_dispatch_indirect(struct drm_device *dev,
 2201                               struct drm_buf *buf, int start, int end)
 2202 {
 2203         drm_radeon_private_t *dev_priv = dev->dev_private;
 2204         RING_LOCALS;
 2205 
 2206         if (start != end) {
 2207                 unsigned long offset = (dev_priv->gart_buffers_offset
 2208                                         + buf->offset + start);
 2209                 int dwords = (end - start + 3) / sizeof(u32);
 2210 
 2211                 DRM_DEBUG("dwords:%d\n", dwords);
 2212                 DRM_DEBUG("offset 0x%lx\n", offset);
 2213 
 2214 
 2215                 /* Indirect buffer data must be a multiple of 16 dwords.
 2216                  * pad the data with a Type-2 CP packet.
 2217                  */
 2218                 while (dwords & 0xf) {
 2219                         u32 *data = (u32 *)
 2220                             ((char *)dev->agp_buffer_map->virtual
 2221                              + buf->offset + start);
 2222                         data[dwords++] = RADEON_CP_PACKET2;
 2223                 }
 2224 
 2225                 /* Fire off the indirect buffer */
 2226                 BEGIN_RING(4);
 2227                 OUT_RING(CP_PACKET3(R600_IT_INDIRECT_BUFFER, 2));
 2228                 OUT_RING((offset & 0xfffffffc));
 2229                 OUT_RING((upper_32_bits(offset) & 0xff));
 2230                 OUT_RING(dwords);
 2231                 ADVANCE_RING();
 2232         }
 2233 
 2234         return 0;
 2235 }
 2236 
 2237 void r600_cp_dispatch_swap(struct drm_device * dev)
 2238 {
 2239         drm_radeon_private_t *dev_priv = dev->dev_private;
 2240         drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
 2241         int nbox = sarea_priv->nbox;
 2242         struct drm_clip_rect *pbox = sarea_priv->boxes;
 2243         int i, cpp, src_pitch, dst_pitch;
 2244         uint64_t src, dst;
 2245         RING_LOCALS;
 2246         DRM_DEBUG("\n");
 2247 
 2248         if (dev_priv->color_fmt == RADEON_COLOR_FORMAT_ARGB8888)
 2249                 cpp = 4;
 2250         else
 2251                 cpp = 2;
 2252 
 2253         if (dev_priv->sarea_priv->pfCurrentPage == 0) {
 2254                 src_pitch = dev_priv->back_pitch;
 2255                 dst_pitch = dev_priv->front_pitch;
 2256                 src = dev_priv->back_offset + dev_priv->fb_location;
 2257                 dst = dev_priv->front_offset + dev_priv->fb_location;
 2258         } else {
 2259                 src_pitch = dev_priv->front_pitch;
 2260                 dst_pitch = dev_priv->back_pitch;
 2261                 src = dev_priv->front_offset + dev_priv->fb_location;
 2262                 dst = dev_priv->back_offset + dev_priv->fb_location;
 2263         }
 2264 
 2265         if (r600_prepare_blit_copy(dev)) {
 2266                 DRM_ERROR("unable to allocate vertex buffer for swap buffer\n");
 2267                 return;
 2268         }
 2269         for (i = 0; i < nbox; i++) {
 2270                 int x = pbox[i].x1;
 2271                 int y = pbox[i].y1;
 2272                 int w = pbox[i].x2 - x;
 2273                 int h = pbox[i].y2 - y;
 2274 
 2275                 DRM_DEBUG("%d,%d-%d,%d\n", x, y, w, h);
 2276 
 2277                 r600_blit_swap(dev,
 2278                                src, dst,
 2279                                x, y, x, y, w, h,
 2280                                src_pitch, dst_pitch, cpp);
 2281         }
 2282         r600_done_blit_copy(dev);
 2283 
 2284         /* Increment the frame counter.  The client-side 3D driver must
 2285          * throttle the framerate by waiting for this value before
 2286          * performing the swapbuffer ioctl.
 2287          */
 2288         dev_priv->sarea_priv->last_frame++;
 2289 
 2290         BEGIN_RING(3);
 2291         R600_FRAME_AGE(dev_priv->sarea_priv->last_frame);
 2292         ADVANCE_RING();
 2293 }
 2294 
 2295 int r600_cp_dispatch_texture(struct drm_device * dev,
 2296                              struct drm_file *file_priv,
 2297                              drm_radeon_texture_t * tex,
 2298                              drm_radeon_tex_image_t * image)
 2299 {
 2300         drm_radeon_private_t *dev_priv = dev->dev_private;
 2301         struct drm_buf *buf;
 2302         u32 *buffer;
 2303         const u8 __user *data;
 2304         int size, pass_size;
 2305         u64 src_offset, dst_offset;
 2306 
 2307         if (!radeon_check_offset(dev_priv, tex->offset)) {
 2308                 DRM_ERROR("Invalid destination offset\n");
 2309                 return -EINVAL;
 2310         }
 2311 
 2312         /* this might fail for zero-sized uploads - are those illegal? */
 2313         if (!radeon_check_offset(dev_priv, tex->offset + tex->height * tex->pitch - 1)) {
 2314                 DRM_ERROR("Invalid final destination offset\n");
 2315                 return -EINVAL;
 2316         }
 2317 
 2318         size = tex->height * tex->pitch;
 2319 
 2320         if (size == 0)
 2321                 return 0;
 2322 
 2323         dst_offset = tex->offset;
 2324 
 2325         r600_prepare_blit_copy(dev);
 2326         do {
 2327                 data = (const u8 __user *)image->data;
 2328                 pass_size = size;
 2329 
 2330                 buf = radeon_freelist_get(dev);
 2331                 if (!buf) {
 2332                         DRM_DEBUG("EAGAIN\n");
 2333                         if (DRM_COPY_TO_USER(tex->image, image, sizeof(*image)))
 2334                                 return -EFAULT;
 2335                         return -EAGAIN;
 2336                 }
 2337 
 2338                 if (pass_size > buf->total)
 2339                         pass_size = buf->total;
 2340 
 2341                 /* Dispatch the indirect buffer.
 2342                  */
 2343                 buffer =
 2344                     (u32 *) ((char *)dev->agp_buffer_map->virtual +
 2345                     buf->offset);
 2346 
 2347                 if (DRM_COPY_FROM_USER(buffer, data, pass_size)) {
 2348                         DRM_ERROR("EFAULT on pad, %d bytes\n", pass_size);
 2349                         return -EFAULT;
 2350                 }
 2351 
 2352                 buf->file_priv = file_priv;
 2353                 buf->used = pass_size;
 2354                 src_offset = dev_priv->gart_buffers_offset + buf->offset;
 2355 
 2356                 r600_blit_copy(dev, src_offset, dst_offset, pass_size);
 2357 
 2358                 radeon_cp_discard_buffer(dev, buf);
 2359 
 2360                 /* Update the input parameters for next time */
 2361                 image->data = (const u8 __user *)image->data + pass_size;
 2362                 dst_offset += pass_size;
 2363                 size -= pass_size;
 2364         } while (size > 0);
 2365         r600_done_blit_copy(dev);
 2366 
 2367         return 0;
 2368 }

Cache object: 817098a1786f79397a887885c7aaf100


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