diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/rs400.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rs400.c | 411 |
1 files changed, 411 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c new file mode 100644 index 00000000000..cc074b5a8f7 --- /dev/null +++ b/drivers/gpu/drm/radeon/rs400.c @@ -0,0 +1,411 @@ +/* + * Copyright 2008 Advanced Micro Devices, Inc. + * Copyright 2008 Red Hat Inc. + * Copyright 2009 Jerome Glisse. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Dave Airlie + * Alex Deucher + * Jerome Glisse + */ +#include <linux/seq_file.h> +#include <drm/drmP.h> +#include "radeon_reg.h" +#include "radeon.h" + +/* rs400,rs480 depends on : */ +void r100_hdp_reset(struct radeon_device *rdev); +void r100_mc_disable_clients(struct radeon_device *rdev); +int r300_mc_wait_for_idle(struct radeon_device *rdev); +void r420_pipes_init(struct radeon_device *rdev); + +/* This files gather functions specifics to : + * rs400,rs480 + * + * Some of these functions might be used by newer ASICs. + */ +void rs400_gpu_init(struct radeon_device *rdev); +int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev); + + +/* + * GART functions. + */ +void rs400_gart_adjust_size(struct radeon_device *rdev) +{ + /* Check gart size */ + switch (rdev->mc.gtt_size/(1024*1024)) { + case 32: + case 64: + case 128: + case 256: + case 512: + case 1024: + case 2048: + break; + default: + DRM_ERROR("Unable to use IGP GART size %uM\n", + rdev->mc.gtt_size >> 20); + DRM_ERROR("Valid GART size for IGP are 32M,64M,128M,256M,512M,1G,2G\n"); + DRM_ERROR("Forcing to 32M GART size\n"); + rdev->mc.gtt_size = 32 * 1024 * 1024; + return; + } + if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) { + /* FIXME: RS400 & RS480 seems to have issue with GART size + * if 4G of system memory (needs more testing) */ + rdev->mc.gtt_size = 32 * 1024 * 1024; + DRM_ERROR("Forcing to 32M GART size (because of ASIC bug ?)\n"); + } +} + +void rs400_gart_tlb_flush(struct radeon_device *rdev) +{ + uint32_t tmp; + unsigned int timeout = rdev->usec_timeout; + + WREG32_MC(RS480_GART_CACHE_CNTRL, RS480_GART_CACHE_INVALIDATE); + do { + tmp = RREG32_MC(RS480_GART_CACHE_CNTRL); + if ((tmp & RS480_GART_CACHE_INVALIDATE) == 0) + break; + DRM_UDELAY(1); + timeout--; + } while (timeout > 0); + WREG32_MC(RS480_GART_CACHE_CNTRL, 0); +} + +int rs400_gart_enable(struct radeon_device *rdev) +{ + uint32_t size_reg; + uint32_t tmp; + int r; + + /* Initialize common gart structure */ + r = radeon_gart_init(rdev); + if (r) { + return r; + } + if (rs400_debugfs_pcie_gart_info_init(rdev)) { + DRM_ERROR("Failed to register debugfs file for RS400 GART !\n"); + } + + tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH); + tmp |= RS690_DIS_OUT_OF_PCI_GART_ACCESS; + WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp); + /* Check gart size */ + switch(rdev->mc.gtt_size / (1024 * 1024)) { + case 32: + size_reg = RS480_VA_SIZE_32MB; + break; + case 64: + size_reg = RS480_VA_SIZE_64MB; + break; + case 128: + size_reg = RS480_VA_SIZE_128MB; + break; + case 256: + size_reg = RS480_VA_SIZE_256MB; + break; + case 512: + size_reg = RS480_VA_SIZE_512MB; + break; + case 1024: + size_reg = RS480_VA_SIZE_1GB; + break; + case 2048: + size_reg = RS480_VA_SIZE_2GB; + break; + default: + return -EINVAL; + } + if (rdev->gart.table.ram.ptr == NULL) { + rdev->gart.table_size = rdev->gart.num_gpu_pages * 4; + r = radeon_gart_table_ram_alloc(rdev); + if (r) { + return r; + } + } + /* It should be fine to program it to max value */ + if (rdev->family == CHIP_RS690 || (rdev->family == CHIP_RS740)) { + WREG32_MC(RS690_MCCFG_AGP_BASE, 0xFFFFFFFF); + WREG32_MC(RS690_MCCFG_AGP_BASE_2, 0); + } else { + WREG32(RADEON_AGP_BASE, 0xFFFFFFFF); + WREG32(RS480_AGP_BASE_2, 0); + } + tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1; + tmp = REG_SET(RS690_MC_AGP_TOP, tmp >> 16); + tmp |= REG_SET(RS690_MC_AGP_START, rdev->mc.gtt_location >> 16); + if ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740)) { + WREG32_MC(RS690_MCCFG_AGP_LOCATION, tmp); + tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS; + WREG32(RADEON_BUS_CNTL, tmp); + } else { + WREG32(RADEON_MC_AGP_LOCATION, tmp); + tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS; + WREG32(RADEON_BUS_CNTL, tmp); + } + /* Table should be in 32bits address space so ignore bits above. */ + tmp = rdev->gart.table_addr & 0xfffff000; + WREG32_MC(RS480_GART_BASE, tmp); + /* TODO: more tweaking here */ + WREG32_MC(RS480_GART_FEATURE_ID, + (RS480_TLB_ENABLE | + RS480_GTW_LAC_EN | RS480_1LEVEL_GART)); + /* Disable snooping */ + WREG32_MC(RS480_AGP_MODE_CNTL, + (1 << RS480_REQ_TYPE_SNOOP_SHIFT) | RS480_REQ_TYPE_SNOOP_DIS); + /* Disable AGP mode */ + /* FIXME: according to doc we should set HIDE_MMCFG_BAR=0, + * AGPMODE30=0 & AGP30ENHANCED=0 in NB_CNTL */ + if ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740)) { + WREG32_MC(RS480_MC_MISC_CNTL, + (RS480_GART_INDEX_REG_EN | RS690_BLOCK_GFX_D3_EN)); + } else { + WREG32_MC(RS480_MC_MISC_CNTL, RS480_GART_INDEX_REG_EN); + } + /* Enable gart */ + WREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE, (RS480_GART_EN | size_reg)); + rs400_gart_tlb_flush(rdev); + rdev->gart.ready = true; + return 0; +} + +void rs400_gart_disable(struct radeon_device *rdev) +{ + uint32_t tmp; + + tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH); + tmp |= RS690_DIS_OUT_OF_PCI_GART_ACCESS; + WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp); + WREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE, 0); +} + +int rs400_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr) +{ + if (i < 0 || i > rdev->gart.num_gpu_pages) { + return -EINVAL; + } + rdev->gart.table.ram.ptr[i] = cpu_to_le32(((uint32_t)addr) | 0xC); + return 0; +} + + +/* + * MC functions. + */ +int rs400_mc_init(struct radeon_device *rdev) +{ + uint32_t tmp; + int r; + + if (r100_debugfs_rbbm_init(rdev)) { + DRM_ERROR("Failed to register debugfs file for RBBM !\n"); + } + + rs400_gpu_init(rdev); + rs400_gart_disable(rdev); + rdev->mc.gtt_location = rdev->mc.vram_size; + rdev->mc.gtt_location += (rdev->mc.gtt_size - 1); + rdev->mc.gtt_location &= ~(rdev->mc.gtt_size - 1); + rdev->mc.vram_location = 0xFFFFFFFFUL; + r = radeon_mc_setup(rdev); + if (r) { + return r; + } + + r100_mc_disable_clients(rdev); + if (r300_mc_wait_for_idle(rdev)) { + printk(KERN_WARNING "Failed to wait MC idle while " + "programming pipes. Bad things might happen.\n"); + } + + tmp = rdev->mc.vram_location + rdev->mc.vram_size - 1; + tmp = REG_SET(RADEON_MC_FB_TOP, tmp >> 16); + tmp |= REG_SET(RADEON_MC_FB_START, rdev->mc.vram_location >> 16); + WREG32(RADEON_MC_FB_LOCATION, tmp); + tmp = RREG32(RADEON_HOST_PATH_CNTL) | RADEON_HP_LIN_RD_CACHE_DIS; + WREG32(RADEON_HOST_PATH_CNTL, tmp | RADEON_HDP_SOFT_RESET | RADEON_HDP_READ_BUFFER_INVALIDATE); + (void)RREG32(RADEON_HOST_PATH_CNTL); + WREG32(RADEON_HOST_PATH_CNTL, tmp); + (void)RREG32(RADEON_HOST_PATH_CNTL); + return 0; +} + +void rs400_mc_fini(struct radeon_device *rdev) +{ + rs400_gart_disable(rdev); + radeon_gart_table_ram_free(rdev); + radeon_gart_fini(rdev); +} + + +/* + * Global GPU functions + */ +void rs400_errata(struct radeon_device *rdev) +{ + rdev->pll_errata = 0; +} + +void rs400_gpu_init(struct radeon_device *rdev) +{ + /* FIXME: HDP same place on rs400 ? */ + r100_hdp_reset(rdev); + /* FIXME: is this correct ? */ + r420_pipes_init(rdev); + if (r300_mc_wait_for_idle(rdev)) { + printk(KERN_WARNING "Failed to wait MC idle while " + "programming pipes. Bad things might happen.\n"); + } +} + + +/* + * VRAM info. + */ +void rs400_vram_info(struct radeon_device *rdev) +{ + uint32_t tom; + + rs400_gart_adjust_size(rdev); + /* DDR for all card after R300 & IGP */ + rdev->mc.vram_is_ddr = true; + rdev->mc.vram_width = 128; + + /* read NB_TOM to get the amount of ram stolen for the GPU */ + tom = RREG32(RADEON_NB_TOM); + rdev->mc.vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16); + WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.vram_size); + + /* Could aper size report 0 ? */ + rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); + rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); +} + + +/* + * Indirect registers accessor + */ +uint32_t rs400_mc_rreg(struct radeon_device *rdev, uint32_t reg) +{ + uint32_t r; + + WREG32(RS480_NB_MC_INDEX, reg & 0xff); + r = RREG32(RS480_NB_MC_DATA); + WREG32(RS480_NB_MC_INDEX, 0xff); + return r; +} + +void rs400_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) +{ + WREG32(RS480_NB_MC_INDEX, ((reg) & 0xff) | RS480_NB_MC_IND_WR_EN); + WREG32(RS480_NB_MC_DATA, (v)); + WREG32(RS480_NB_MC_INDEX, 0xff); +} + + +/* + * Debugfs info + */ +#if defined(CONFIG_DEBUG_FS) +static int rs400_debugfs_gart_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + struct radeon_device *rdev = dev->dev_private; + uint32_t tmp; + + tmp = RREG32(RADEON_HOST_PATH_CNTL); + seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp); + tmp = RREG32(RADEON_BUS_CNTL); + seq_printf(m, "BUS_CNTL 0x%08x\n", tmp); + tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH); + seq_printf(m, "AIC_CTRL_SCRATCH 0x%08x\n", tmp); + if (rdev->family == CHIP_RS690 || (rdev->family == CHIP_RS740)) { + tmp = RREG32_MC(RS690_MCCFG_AGP_BASE); + seq_printf(m, "MCCFG_AGP_BASE 0x%08x\n", tmp); + tmp = RREG32_MC(RS690_MCCFG_AGP_BASE_2); + seq_printf(m, "MCCFG_AGP_BASE_2 0x%08x\n", tmp); + tmp = RREG32_MC(RS690_MCCFG_AGP_LOCATION); + seq_printf(m, "MCCFG_AGP_LOCATION 0x%08x\n", tmp); + tmp = RREG32_MC(0x100); + seq_printf(m, "MCCFG_FB_LOCATION 0x%08x\n", tmp); + tmp = RREG32(0x134); + seq_printf(m, "HDP_FB_LOCATION 0x%08x\n", tmp); + } else { + tmp = RREG32(RADEON_AGP_BASE); + seq_printf(m, "AGP_BASE 0x%08x\n", tmp); + tmp = RREG32(RS480_AGP_BASE_2); + seq_printf(m, "AGP_BASE_2 0x%08x\n", tmp); + tmp = RREG32(RADEON_MC_AGP_LOCATION); + seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp); + } + tmp = RREG32_MC(RS480_GART_BASE); + seq_printf(m, "GART_BASE 0x%08x\n", tmp); + tmp = RREG32_MC(RS480_GART_FEATURE_ID); + seq_printf(m, "GART_FEATURE_ID 0x%08x\n", tmp); + tmp = RREG32_MC(RS480_AGP_MODE_CNTL); + seq_printf(m, "AGP_MODE_CONTROL 0x%08x\n", tmp); + tmp = RREG32_MC(RS480_MC_MISC_CNTL); + seq_printf(m, "MC_MISC_CNTL 0x%08x\n", tmp); + tmp = RREG32_MC(0x5F); + seq_printf(m, "MC_MISC_UMA_CNTL 0x%08x\n", tmp); + tmp = RREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE); + seq_printf(m, "AGP_ADDRESS_SPACE_SIZE 0x%08x\n", tmp); + tmp = RREG32_MC(RS480_GART_CACHE_CNTRL); + seq_printf(m, "GART_CACHE_CNTRL 0x%08x\n", tmp); + tmp = RREG32_MC(0x3B); + seq_printf(m, "MC_GART_ERROR_ADDRESS 0x%08x\n", tmp); + tmp = RREG32_MC(0x3C); + seq_printf(m, "MC_GART_ERROR_ADDRESS_HI 0x%08x\n", tmp); + tmp = RREG32_MC(0x30); + seq_printf(m, "GART_ERROR_0 0x%08x\n", tmp); + tmp = RREG32_MC(0x31); + seq_printf(m, "GART_ERROR_1 0x%08x\n", tmp); + tmp = RREG32_MC(0x32); + seq_printf(m, "GART_ERROR_2 0x%08x\n", tmp); + tmp = RREG32_MC(0x33); + seq_printf(m, "GART_ERROR_3 0x%08x\n", tmp); + tmp = RREG32_MC(0x34); + seq_printf(m, "GART_ERROR_4 0x%08x\n", tmp); + tmp = RREG32_MC(0x35); + seq_printf(m, "GART_ERROR_5 0x%08x\n", tmp); + tmp = RREG32_MC(0x36); + seq_printf(m, "GART_ERROR_6 0x%08x\n", tmp); + tmp = RREG32_MC(0x37); + seq_printf(m, "GART_ERROR_7 0x%08x\n", tmp); + return 0; +} + +static struct drm_info_list rs400_gart_info_list[] = { + {"rs400_gart_info", rs400_debugfs_gart_info, 0, NULL}, +}; +#endif + +int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev) +{ +#if defined(CONFIG_DEBUG_FS) + return radeon_debugfs_add_files(rdev, rs400_gart_info_list, 1); +#else + return 0; +#endif +} |