LCOV - code coverage report
Current view: top level - dev/pci/drm/radeon - rs400.c (source / functions) Hit Total Coverage
Test: 6.4 Lines: 0 269 0.0 %
Date: 2018-10-19 03:25:38 Functions: 0 20 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :  * Copyright 2008 Advanced Micro Devices, Inc.
       3             :  * Copyright 2008 Red Hat Inc.
       4             :  * Copyright 2009 Jerome Glisse.
       5             :  *
       6             :  * Permission is hereby granted, free of charge, to any person obtaining a
       7             :  * copy of this software and associated documentation files (the "Software"),
       8             :  * to deal in the Software without restriction, including without limitation
       9             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      10             :  * and/or sell copies of the Software, and to permit persons to whom the
      11             :  * Software is furnished to do so, subject to the following conditions:
      12             :  *
      13             :  * The above copyright notice and this permission notice shall be included in
      14             :  * all copies or substantial portions of the Software.
      15             :  *
      16             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      17             :  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      18             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
      19             :  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
      20             :  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
      21             :  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
      22             :  * OTHER DEALINGS IN THE SOFTWARE.
      23             :  *
      24             :  * Authors: Dave Airlie
      25             :  *          Alex Deucher
      26             :  *          Jerome Glisse
      27             :  */
      28             : #include <dev/pci/drm/drmP.h>
      29             : #include "radeon.h"
      30             : #include "radeon_asic.h"
      31             : #include "rs400d.h"
      32             : 
      33             : /* This files gather functions specifics to : rs400,rs480 */
      34             : static int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
      35             : 
      36           0 : void rs400_gart_adjust_size(struct radeon_device *rdev)
      37             : {
      38             :         /* Check gart size */
      39           0 :         switch (rdev->mc.gtt_size/(1024*1024)) {
      40             :         case 32:
      41             :         case 64:
      42             :         case 128:
      43             :         case 256:
      44             :         case 512:
      45             :         case 1024:
      46             :         case 2048:
      47             :                 break;
      48             :         default:
      49           0 :                 DRM_ERROR("Unable to use IGP GART size %uM\n",
      50             :                           (unsigned)(rdev->mc.gtt_size >> 20));
      51           0 :                 DRM_ERROR("Valid GART size for IGP are 32M,64M,128M,256M,512M,1G,2G\n");
      52           0 :                 DRM_ERROR("Forcing to 32M GART size\n");
      53           0 :                 rdev->mc.gtt_size = 32 * 1024 * 1024;
      54           0 :                 return;
      55             :         }
      56           0 : }
      57             : 
      58           0 : void rs400_gart_tlb_flush(struct radeon_device *rdev)
      59             : {
      60             :         uint32_t tmp;
      61           0 :         unsigned int timeout = rdev->usec_timeout;
      62             : 
      63           0 :         WREG32_MC(RS480_GART_CACHE_CNTRL, RS480_GART_CACHE_INVALIDATE);
      64           0 :         do {
      65           0 :                 tmp = RREG32_MC(RS480_GART_CACHE_CNTRL);
      66           0 :                 if ((tmp & RS480_GART_CACHE_INVALIDATE) == 0)
      67             :                         break;
      68           0 :                 DRM_UDELAY(1);
      69           0 :                 timeout--;
      70           0 :         } while (timeout > 0);
      71           0 :         WREG32_MC(RS480_GART_CACHE_CNTRL, 0);
      72           0 : }
      73             : 
      74           0 : int rs400_gart_init(struct radeon_device *rdev)
      75             : {
      76             :         int r;
      77             : 
      78           0 :         if (rdev->gart.ptr) {
      79           0 :                 WARN(1, "RS400 GART already initialized\n");
      80           0 :                 return 0;
      81             :         }
      82             :         /* Check gart size */
      83           0 :         switch(rdev->mc.gtt_size / (1024 * 1024)) {
      84             :         case 32:
      85             :         case 64:
      86             :         case 128:
      87             :         case 256:
      88             :         case 512:
      89             :         case 1024:
      90             :         case 2048:
      91             :                 break;
      92             :         default:
      93           0 :                 return -EINVAL;
      94             :         }
      95             :         /* Initialize common gart structure */
      96           0 :         r = radeon_gart_init(rdev);
      97           0 :         if (r)
      98           0 :                 return r;
      99           0 :         if (rs400_debugfs_pcie_gart_info_init(rdev))
     100           0 :                 DRM_ERROR("Failed to register debugfs file for RS400 GART !\n");
     101           0 :         rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
     102           0 :         return radeon_gart_table_ram_alloc(rdev);
     103           0 : }
     104             : 
     105           0 : int rs400_gart_enable(struct radeon_device *rdev)
     106             : {
     107             :         uint32_t size_reg;
     108             :         uint32_t tmp;
     109             : 
     110           0 :         tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);
     111           0 :         tmp |= RS690_DIS_OUT_OF_PCI_GART_ACCESS;
     112           0 :         WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp);
     113             :         /* Check gart size */
     114           0 :         switch(rdev->mc.gtt_size / (1024 * 1024)) {
     115             :         case 32:
     116             :                 size_reg = RS480_VA_SIZE_32MB;
     117           0 :                 break;
     118             :         case 64:
     119             :                 size_reg = RS480_VA_SIZE_64MB;
     120           0 :                 break;
     121             :         case 128:
     122             :                 size_reg = RS480_VA_SIZE_128MB;
     123           0 :                 break;
     124             :         case 256:
     125             :                 size_reg = RS480_VA_SIZE_256MB;
     126           0 :                 break;
     127             :         case 512:
     128             :                 size_reg = RS480_VA_SIZE_512MB;
     129           0 :                 break;
     130             :         case 1024:
     131             :                 size_reg = RS480_VA_SIZE_1GB;
     132           0 :                 break;
     133             :         case 2048:
     134             :                 size_reg = RS480_VA_SIZE_2GB;
     135           0 :                 break;
     136             :         default:
     137           0 :                 return -EINVAL;
     138             :         }
     139             :         /* It should be fine to program it to max value */
     140           0 :         if (rdev->family == CHIP_RS690 || (rdev->family == CHIP_RS740)) {
     141           0 :                 WREG32_MC(RS690_MCCFG_AGP_BASE, 0xFFFFFFFF);
     142           0 :                 WREG32_MC(RS690_MCCFG_AGP_BASE_2, 0);
     143           0 :         } else {
     144           0 :                 WREG32(RADEON_AGP_BASE, 0xFFFFFFFF);
     145           0 :                 WREG32(RS480_AGP_BASE_2, 0);
     146             :         }
     147           0 :         tmp = REG_SET(RS690_MC_AGP_TOP, rdev->mc.gtt_end >> 16);
     148           0 :         tmp |= REG_SET(RS690_MC_AGP_START, rdev->mc.gtt_start >> 16);
     149           0 :         if ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740)) {
     150           0 :                 WREG32_MC(RS690_MCCFG_AGP_LOCATION, tmp);
     151           0 :                 tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
     152           0 :                 WREG32(RADEON_BUS_CNTL, tmp);
     153           0 :         } else {
     154           0 :                 WREG32(RADEON_MC_AGP_LOCATION, tmp);
     155           0 :                 tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
     156           0 :                 WREG32(RADEON_BUS_CNTL, tmp);
     157             :         }
     158             :         /* Table should be in 32bits address space so ignore bits above. */
     159           0 :         tmp = (u32)rdev->gart.table_addr & 0xfffff000;
     160           0 :         tmp |= (upper_32_bits(rdev->gart.table_addr) & 0xff) << 4;
     161             : 
     162           0 :         WREG32_MC(RS480_GART_BASE, tmp);
     163             :         /* TODO: more tweaking here */
     164           0 :         WREG32_MC(RS480_GART_FEATURE_ID,
     165             :                   (RS480_TLB_ENABLE |
     166             :                    RS480_GTW_LAC_EN | RS480_1LEVEL_GART));
     167             :         /* Disable snooping */
     168           0 :         WREG32_MC(RS480_AGP_MODE_CNTL,
     169             :                   (1 << RS480_REQ_TYPE_SNOOP_SHIFT) | RS480_REQ_TYPE_SNOOP_DIS);
     170             :         /* Disable AGP mode */
     171             :         /* FIXME: according to doc we should set HIDE_MMCFG_BAR=0,
     172             :          * AGPMODE30=0 & AGP30ENHANCED=0 in NB_CNTL */
     173           0 :         if ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740)) {
     174           0 :                 tmp = RREG32_MC(RS480_MC_MISC_CNTL);
     175           0 :                 tmp |= RS480_GART_INDEX_REG_EN | RS690_BLOCK_GFX_D3_EN;
     176           0 :                 WREG32_MC(RS480_MC_MISC_CNTL, tmp);
     177           0 :         } else {
     178           0 :                 tmp = RREG32_MC(RS480_MC_MISC_CNTL);
     179           0 :                 tmp |= RS480_GART_INDEX_REG_EN;
     180           0 :                 WREG32_MC(RS480_MC_MISC_CNTL, tmp);
     181             :         }
     182             :         /* Enable gart */
     183           0 :         WREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE, (RS480_GART_EN | size_reg));
     184           0 :         rs400_gart_tlb_flush(rdev);
     185             :         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
     186             :                  (unsigned)(rdev->mc.gtt_size >> 20),
     187             :                  (unsigned long long)rdev->gart.table_addr);
     188           0 :         rdev->gart.ready = true;
     189           0 :         return 0;
     190           0 : }
     191             : 
     192           0 : void rs400_gart_disable(struct radeon_device *rdev)
     193             : {
     194             :         uint32_t tmp;
     195             : 
     196           0 :         tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);
     197           0 :         tmp |= RS690_DIS_OUT_OF_PCI_GART_ACCESS;
     198           0 :         WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp);
     199           0 :         WREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE, 0);
     200           0 : }
     201             : 
     202           0 : void rs400_gart_fini(struct radeon_device *rdev)
     203             : {
     204           0 :         radeon_gart_fini(rdev);
     205           0 :         rs400_gart_disable(rdev);
     206           0 :         radeon_gart_table_ram_free(rdev);
     207           0 : }
     208             : 
     209             : #define RS400_PTE_UNSNOOPED (1 << 0)
     210             : #define RS400_PTE_WRITEABLE (1 << 2)
     211             : #define RS400_PTE_READABLE  (1 << 3)
     212             : 
     213           0 : uint64_t rs400_gart_get_page_entry(uint64_t addr, uint32_t flags)
     214             : {
     215             :         uint32_t entry;
     216             : 
     217           0 :         entry = (lower_32_bits(addr) & ~PAGE_MASK) |
     218           0 :                 ((upper_32_bits(addr) & 0xff) << 4);
     219           0 :         if (flags & RADEON_GART_PAGE_READ)
     220           0 :                 entry |= RS400_PTE_READABLE;
     221           0 :         if (flags & RADEON_GART_PAGE_WRITE)
     222           0 :                 entry |= RS400_PTE_WRITEABLE;
     223           0 :         if (!(flags & RADEON_GART_PAGE_SNOOP))
     224           0 :                 entry |= RS400_PTE_UNSNOOPED;
     225           0 :         return entry;
     226             : }
     227             : 
     228           0 : void rs400_gart_set_page(struct radeon_device *rdev, unsigned i,
     229             :                          uint64_t entry)
     230             : {
     231           0 :         u32 *gtt = rdev->gart.ptr;
     232           0 :         gtt[i] = cpu_to_le32(lower_32_bits(entry));
     233           0 : }
     234             : 
     235           0 : int rs400_mc_wait_for_idle(struct radeon_device *rdev)
     236             : {
     237             :         unsigned i;
     238             :         uint32_t tmp;
     239             : 
     240           0 :         for (i = 0; i < rdev->usec_timeout; i++) {
     241             :                 /* read MC_STATUS */
     242           0 :                 tmp = RREG32(RADEON_MC_STATUS);
     243           0 :                 if (tmp & RADEON_MC_IDLE) {
     244           0 :                         return 0;
     245             :                 }
     246           0 :                 DRM_UDELAY(1);
     247             :         }
     248           0 :         return -1;
     249           0 : }
     250             : 
     251           0 : static void rs400_gpu_init(struct radeon_device *rdev)
     252             : {
     253             :         /* FIXME: is this correct ? */
     254           0 :         r420_pipes_init(rdev);
     255           0 :         if (rs400_mc_wait_for_idle(rdev)) {
     256           0 :                 printk(KERN_WARNING "rs400: Failed to wait MC idle while "
     257             :                        "programming pipes. Bad things might happen. %08x\n", RREG32(RADEON_MC_STATUS));
     258           0 :         }
     259           0 : }
     260             : 
     261           0 : static void rs400_mc_init(struct radeon_device *rdev)
     262             : {
     263             :         u64 base;
     264             : 
     265           0 :         rs400_gart_adjust_size(rdev);
     266           0 :         rdev->mc.igp_sideport_enabled = radeon_combios_sideport_present(rdev);
     267             :         /* DDR for all card after R300 & IGP */
     268           0 :         rdev->mc.vram_is_ddr = true;
     269           0 :         rdev->mc.vram_width = 128;
     270           0 :         r100_vram_init_sizes(rdev);
     271           0 :         base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
     272           0 :         radeon_vram_location(rdev, &rdev->mc, base);
     273           0 :         rdev->mc.gtt_base_align = rdev->mc.gtt_size - 1;
     274           0 :         radeon_gtt_location(rdev, &rdev->mc);
     275           0 :         radeon_update_bandwidth_info(rdev);
     276           0 : }
     277             : 
     278           0 : uint32_t rs400_mc_rreg(struct radeon_device *rdev, uint32_t reg)
     279             : {
     280             :         unsigned long flags;
     281             :         uint32_t r;
     282             : 
     283           0 :         spin_lock_irqsave(&rdev->mc_idx_lock, flags);
     284           0 :         WREG32(RS480_NB_MC_INDEX, reg & 0xff);
     285           0 :         r = RREG32(RS480_NB_MC_DATA);
     286           0 :         WREG32(RS480_NB_MC_INDEX, 0xff);
     287           0 :         spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
     288           0 :         return r;
     289             : }
     290             : 
     291           0 : void rs400_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
     292             : {
     293             :         unsigned long flags;
     294             : 
     295           0 :         spin_lock_irqsave(&rdev->mc_idx_lock, flags);
     296           0 :         WREG32(RS480_NB_MC_INDEX, ((reg) & 0xff) | RS480_NB_MC_IND_WR_EN);
     297           0 :         WREG32(RS480_NB_MC_DATA, (v));
     298           0 :         WREG32(RS480_NB_MC_INDEX, 0xff);
     299           0 :         spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
     300           0 : }
     301             : 
     302             : #if defined(CONFIG_DEBUG_FS)
     303             : static int rs400_debugfs_gart_info(struct seq_file *m, void *data)
     304             : {
     305             :         struct drm_info_node *node = (struct drm_info_node *) m->private;
     306             :         struct drm_device *dev = node->minor->dev;
     307             :         struct radeon_device *rdev = dev->dev_private;
     308             :         uint32_t tmp;
     309             : 
     310             :         tmp = RREG32(RADEON_HOST_PATH_CNTL);
     311             :         seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
     312             :         tmp = RREG32(RADEON_BUS_CNTL);
     313             :         seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
     314             :         tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);
     315             :         seq_printf(m, "AIC_CTRL_SCRATCH 0x%08x\n", tmp);
     316             :         if (rdev->family == CHIP_RS690 || (rdev->family == CHIP_RS740)) {
     317             :                 tmp = RREG32_MC(RS690_MCCFG_AGP_BASE);
     318             :                 seq_printf(m, "MCCFG_AGP_BASE 0x%08x\n", tmp);
     319             :                 tmp = RREG32_MC(RS690_MCCFG_AGP_BASE_2);
     320             :                 seq_printf(m, "MCCFG_AGP_BASE_2 0x%08x\n", tmp);
     321             :                 tmp = RREG32_MC(RS690_MCCFG_AGP_LOCATION);
     322             :                 seq_printf(m, "MCCFG_AGP_LOCATION 0x%08x\n", tmp);
     323             :                 tmp = RREG32_MC(RS690_MCCFG_FB_LOCATION);
     324             :                 seq_printf(m, "MCCFG_FB_LOCATION 0x%08x\n", tmp);
     325             :                 tmp = RREG32(RS690_HDP_FB_LOCATION);
     326             :                 seq_printf(m, "HDP_FB_LOCATION 0x%08x\n", tmp);
     327             :         } else {
     328             :                 tmp = RREG32(RADEON_AGP_BASE);
     329             :                 seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
     330             :                 tmp = RREG32(RS480_AGP_BASE_2);
     331             :                 seq_printf(m, "AGP_BASE_2 0x%08x\n", tmp);
     332             :                 tmp = RREG32(RADEON_MC_AGP_LOCATION);
     333             :                 seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
     334             :         }
     335             :         tmp = RREG32_MC(RS480_GART_BASE);
     336             :         seq_printf(m, "GART_BASE 0x%08x\n", tmp);
     337             :         tmp = RREG32_MC(RS480_GART_FEATURE_ID);
     338             :         seq_printf(m, "GART_FEATURE_ID 0x%08x\n", tmp);
     339             :         tmp = RREG32_MC(RS480_AGP_MODE_CNTL);
     340             :         seq_printf(m, "AGP_MODE_CONTROL 0x%08x\n", tmp);
     341             :         tmp = RREG32_MC(RS480_MC_MISC_CNTL);
     342             :         seq_printf(m, "MC_MISC_CNTL 0x%08x\n", tmp);
     343             :         tmp = RREG32_MC(0x5F);
     344             :         seq_printf(m, "MC_MISC_UMA_CNTL 0x%08x\n", tmp);
     345             :         tmp = RREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE);
     346             :         seq_printf(m, "AGP_ADDRESS_SPACE_SIZE 0x%08x\n", tmp);
     347             :         tmp = RREG32_MC(RS480_GART_CACHE_CNTRL);
     348             :         seq_printf(m, "GART_CACHE_CNTRL 0x%08x\n", tmp);
     349             :         tmp = RREG32_MC(0x3B);
     350             :         seq_printf(m, "MC_GART_ERROR_ADDRESS 0x%08x\n", tmp);
     351             :         tmp = RREG32_MC(0x3C);
     352             :         seq_printf(m, "MC_GART_ERROR_ADDRESS_HI 0x%08x\n", tmp);
     353             :         tmp = RREG32_MC(0x30);
     354             :         seq_printf(m, "GART_ERROR_0 0x%08x\n", tmp);
     355             :         tmp = RREG32_MC(0x31);
     356             :         seq_printf(m, "GART_ERROR_1 0x%08x\n", tmp);
     357             :         tmp = RREG32_MC(0x32);
     358             :         seq_printf(m, "GART_ERROR_2 0x%08x\n", tmp);
     359             :         tmp = RREG32_MC(0x33);
     360             :         seq_printf(m, "GART_ERROR_3 0x%08x\n", tmp);
     361             :         tmp = RREG32_MC(0x34);
     362             :         seq_printf(m, "GART_ERROR_4 0x%08x\n", tmp);
     363             :         tmp = RREG32_MC(0x35);
     364             :         seq_printf(m, "GART_ERROR_5 0x%08x\n", tmp);
     365             :         tmp = RREG32_MC(0x36);
     366             :         seq_printf(m, "GART_ERROR_6 0x%08x\n", tmp);
     367             :         tmp = RREG32_MC(0x37);
     368             :         seq_printf(m, "GART_ERROR_7 0x%08x\n", tmp);
     369             :         return 0;
     370             : }
     371             : 
     372             : static struct drm_info_list rs400_gart_info_list[] = {
     373             :         {"rs400_gart_info", rs400_debugfs_gart_info, 0, NULL},
     374             : };
     375             : #endif
     376             : 
     377           0 : static int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
     378             : {
     379             : #if defined(CONFIG_DEBUG_FS)
     380             :         return radeon_debugfs_add_files(rdev, rs400_gart_info_list, 1);
     381             : #else
     382           0 :         return 0;
     383             : #endif
     384             : }
     385             : 
     386           0 : static void rs400_mc_program(struct radeon_device *rdev)
     387             : {
     388           0 :         struct r100_mc_save save;
     389             : 
     390             :         /* Stops all mc clients */
     391           0 :         r100_mc_stop(rdev, &save);
     392             : 
     393             :         /* Wait for mc idle */
     394           0 :         if (rs400_mc_wait_for_idle(rdev))
     395           0 :                 dev_warn(rdev->dev, "rs400: Wait MC idle timeout before updating MC.\n");
     396           0 :         WREG32(R_000148_MC_FB_LOCATION,
     397             :                 S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
     398             :                 S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
     399             : 
     400           0 :         r100_mc_resume(rdev, &save);
     401           0 : }
     402             : 
     403           0 : static int rs400_startup(struct radeon_device *rdev)
     404             : {
     405             :         int r;
     406             : 
     407           0 :         r100_set_common_regs(rdev);
     408             : 
     409           0 :         rs400_mc_program(rdev);
     410             :         /* Resume clock */
     411           0 :         r300_clock_startup(rdev);
     412             :         /* Initialize GPU configuration (# pipes, ...) */
     413           0 :         rs400_gpu_init(rdev);
     414           0 :         r100_enable_bm(rdev);
     415             :         /* Initialize GART (initialize after TTM so we can allocate
     416             :          * memory through TTM but finalize after TTM) */
     417           0 :         r = rs400_gart_enable(rdev);
     418           0 :         if (r)
     419           0 :                 return r;
     420             : 
     421             :         /* allocate wb buffer */
     422           0 :         r = radeon_wb_init(rdev);
     423           0 :         if (r)
     424           0 :                 return r;
     425             : 
     426           0 :         r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
     427           0 :         if (r) {
     428           0 :                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
     429           0 :                 return r;
     430             :         }
     431             : 
     432             :         /* Enable IRQ */
     433           0 :         if (!rdev->irq.installed) {
     434           0 :                 r = radeon_irq_kms_init(rdev);
     435           0 :                 if (r)
     436           0 :                         return r;
     437             :         }
     438             : 
     439           0 :         r100_irq_set(rdev);
     440           0 :         rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
     441             :         /* 1M ring buffer */
     442           0 :         r = r100_cp_init(rdev, 1024 * 1024);
     443           0 :         if (r) {
     444           0 :                 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
     445           0 :                 return r;
     446             :         }
     447             : 
     448           0 :         r = radeon_ib_pool_init(rdev);
     449           0 :         if (r) {
     450           0 :                 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
     451           0 :                 return r;
     452             :         }
     453             : 
     454           0 :         return 0;
     455           0 : }
     456             : 
     457           0 : int rs400_resume(struct radeon_device *rdev)
     458             : {
     459             :         int r;
     460             : 
     461             :         /* Make sur GART are not working */
     462           0 :         rs400_gart_disable(rdev);
     463             :         /* Resume clock before doing reset */
     464           0 :         r300_clock_startup(rdev);
     465             :         /* setup MC before calling post tables */
     466           0 :         rs400_mc_program(rdev);
     467             :         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
     468           0 :         if (radeon_asic_reset(rdev)) {
     469           0 :                 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
     470             :                         RREG32(R_000E40_RBBM_STATUS),
     471             :                         RREG32(R_0007C0_CP_STAT));
     472           0 :         }
     473             :         /* post */
     474           0 :         radeon_combios_asic_init(rdev->ddev);
     475             :         /* Resume clock after posting */
     476           0 :         r300_clock_startup(rdev);
     477             :         /* Initialize surface registers */
     478           0 :         radeon_surface_init(rdev);
     479             : 
     480           0 :         rdev->accel_working = true;
     481           0 :         r = rs400_startup(rdev);
     482           0 :         if (r) {
     483           0 :                 rdev->accel_working = false;
     484           0 :         }
     485           0 :         return r;
     486             : }
     487             : 
     488           0 : int rs400_suspend(struct radeon_device *rdev)
     489             : {
     490           0 :         radeon_pm_suspend(rdev);
     491           0 :         r100_cp_disable(rdev);
     492           0 :         radeon_wb_disable(rdev);
     493           0 :         r100_irq_disable(rdev);
     494           0 :         rs400_gart_disable(rdev);
     495           0 :         return 0;
     496             : }
     497             : 
     498           0 : void rs400_fini(struct radeon_device *rdev)
     499             : {
     500           0 :         radeon_pm_fini(rdev);
     501           0 :         r100_cp_fini(rdev);
     502           0 :         radeon_wb_fini(rdev);
     503           0 :         radeon_ib_pool_fini(rdev);
     504           0 :         radeon_gem_fini(rdev);
     505           0 :         rs400_gart_fini(rdev);
     506           0 :         radeon_irq_kms_fini(rdev);
     507           0 :         radeon_fence_driver_fini(rdev);
     508           0 :         radeon_bo_fini(rdev);
     509           0 :         radeon_atombios_fini(rdev);
     510           0 :         kfree(rdev->bios);
     511           0 :         rdev->bios = NULL;
     512           0 : }
     513             : 
     514           0 : int rs400_init(struct radeon_device *rdev)
     515             : {
     516             :         int r;
     517             : 
     518             :         /* Disable VGA */
     519           0 :         r100_vga_render_disable(rdev);
     520             :         /* Initialize scratch registers */
     521           0 :         radeon_scratch_init(rdev);
     522             :         /* Initialize surface registers */
     523           0 :         radeon_surface_init(rdev);
     524             :         /* TODO: disable VGA need to use VGA request */
     525             :         /* restore some register to sane defaults */
     526           0 :         r100_restore_sanity(rdev);
     527             :         /* BIOS*/
     528           0 :         if (!radeon_get_bios(rdev)) {
     529           0 :                 if (ASIC_IS_AVIVO(rdev))
     530           0 :                         return -EINVAL;
     531             :         }
     532           0 :         if (rdev->is_atom_bios) {
     533           0 :                 dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
     534           0 :                 return -EINVAL;
     535             :         } else {
     536           0 :                 r = radeon_combios_init(rdev);
     537           0 :                 if (r)
     538           0 :                         return r;
     539             :         }
     540             :         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
     541           0 :         if (radeon_asic_reset(rdev)) {
     542           0 :                 dev_warn(rdev->dev,
     543             :                         "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
     544             :                         RREG32(R_000E40_RBBM_STATUS),
     545             :                         RREG32(R_0007C0_CP_STAT));
     546           0 :         }
     547             :         /* check if cards are posted or not */
     548           0 :         if (radeon_boot_test_post_card(rdev) == false)
     549           0 :                 return -EINVAL;
     550             : 
     551             :         /* Initialize clocks */
     552           0 :         radeon_get_clock_info(rdev->ddev);
     553             :         /* initialize memory controller */
     554           0 :         rs400_mc_init(rdev);
     555             :         /* Fence driver */
     556           0 :         r = radeon_fence_driver_init(rdev);
     557           0 :         if (r)
     558           0 :                 return r;
     559             :         /* Memory manager */
     560           0 :         r = radeon_bo_init(rdev);
     561           0 :         if (r)
     562           0 :                 return r;
     563           0 :         r = rs400_gart_init(rdev);
     564           0 :         if (r)
     565           0 :                 return r;
     566           0 :         r300_set_reg_safe(rdev);
     567             : 
     568             :         /* Initialize power management */
     569           0 :         radeon_pm_init(rdev);
     570             : 
     571           0 :         rdev->accel_working = true;
     572           0 :         r = rs400_startup(rdev);
     573           0 :         if (r) {
     574             :                 /* Somethings want wront with the accel init stop accel */
     575           0 :                 dev_err(rdev->dev, "Disabling GPU acceleration\n");
     576           0 :                 r100_cp_fini(rdev);
     577           0 :                 radeon_wb_fini(rdev);
     578           0 :                 radeon_ib_pool_fini(rdev);
     579           0 :                 rs400_gart_fini(rdev);
     580           0 :                 radeon_irq_kms_fini(rdev);
     581           0 :                 rdev->accel_working = false;
     582           0 :         }
     583           0 :         return 0;
     584           0 : }

Generated by: LCOV version 1.13