diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/rv515.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rv515.c | 504 |
1 files changed, 504 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c new file mode 100644 index 000000000000..7eab95db58ac --- /dev/null +++ b/drivers/gpu/drm/radeon/rv515.c @@ -0,0 +1,504 @@ +/* + * 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 "drmP.h" +#include "radeon_reg.h" +#include "radeon.h" + +/* rv515 depends on : */ +void r100_hdp_reset(struct radeon_device *rdev); +int r100_cp_reset(struct radeon_device *rdev); +int r100_rb2d_reset(struct radeon_device *rdev); +int r100_gui_wait_for_idle(struct radeon_device *rdev); +int r100_cp_init(struct radeon_device *rdev, unsigned ring_size); +int rv370_pcie_gart_enable(struct radeon_device *rdev); +void rv370_pcie_gart_disable(struct radeon_device *rdev); +void r420_pipes_init(struct radeon_device *rdev); +void rs600_mc_disable_clients(struct radeon_device *rdev); +void rs600_disable_vga(struct radeon_device *rdev); + +/* This files gather functions specifics to: + * rv515 + * + * Some of these functions might be used by newer ASICs. + */ +int rv515_debugfs_pipes_info_init(struct radeon_device *rdev); +int rv515_debugfs_ga_info_init(struct radeon_device *rdev); +void rv515_gpu_init(struct radeon_device *rdev); +int rv515_mc_wait_for_idle(struct radeon_device *rdev); + + +/* + * MC + */ +int rv515_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"); + } + if (rv515_debugfs_pipes_info_init(rdev)) { + DRM_ERROR("Failed to register debugfs file for pipes !\n"); + } + if (rv515_debugfs_ga_info_init(rdev)) { + DRM_ERROR("Failed to register debugfs file for pipes !\n"); + } + + rv515_gpu_init(rdev); + rv370_pcie_gart_disable(rdev); + + /* Setup GPU memory space */ + rdev->mc.vram_location = 0xFFFFFFFFUL; + rdev->mc.gtt_location = 0xFFFFFFFFUL; + if (rdev->flags & RADEON_IS_AGP) { + r = radeon_agp_init(rdev); + if (r) { + printk(KERN_WARNING "[drm] Disabling AGP\n"); + rdev->flags &= ~RADEON_IS_AGP; + rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024; + } else { + rdev->mc.gtt_location = rdev->mc.agp_base; + } + } + r = radeon_mc_setup(rdev); + if (r) { + return r; + } + + /* Program GPU memory space */ + rs600_mc_disable_clients(rdev); + if (rv515_mc_wait_for_idle(rdev)) { + printk(KERN_WARNING "Failed to wait MC idle while " + "programming pipes. Bad things might happen.\n"); + } + /* Write VRAM size in case we are limiting it */ + WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.vram_size); + tmp = REG_SET(RV515_MC_FB_START, rdev->mc.vram_location >> 16); + WREG32(0x134, tmp); + tmp = rdev->mc.vram_location + rdev->mc.vram_size - 1; + tmp = REG_SET(RV515_MC_FB_TOP, tmp >> 16); + tmp |= REG_SET(RV515_MC_FB_START, rdev->mc.vram_location >> 16); + WREG32_MC(RV515_MC_FB_LOCATION, tmp); + WREG32(RS690_HDP_FB_LOCATION, rdev->mc.vram_location >> 16); + WREG32(0x310, rdev->mc.vram_location); + if (rdev->flags & RADEON_IS_AGP) { + tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1; + tmp = REG_SET(RV515_MC_AGP_TOP, tmp >> 16); + tmp |= REG_SET(RV515_MC_AGP_START, rdev->mc.gtt_location >> 16); + WREG32_MC(RV515_MC_AGP_LOCATION, tmp); + WREG32_MC(RV515_MC_AGP_BASE, rdev->mc.agp_base); + WREG32_MC(RV515_MC_AGP_BASE_2, 0); + } else { + WREG32_MC(RV515_MC_AGP_LOCATION, 0x0FFFFFFF); + WREG32_MC(RV515_MC_AGP_BASE, 0); + WREG32_MC(RV515_MC_AGP_BASE_2, 0); + } + return 0; +} + +void rv515_mc_fini(struct radeon_device *rdev) +{ + rv370_pcie_gart_disable(rdev); + radeon_gart_table_vram_free(rdev); + radeon_gart_fini(rdev); +} + + +/* + * Global GPU functions + */ +void rv515_ring_start(struct radeon_device *rdev) +{ + unsigned gb_tile_config; + int r; + + /* Sub pixel 1/12 so we can have 4K rendering according to doc */ + gb_tile_config = R300_ENABLE_TILING | R300_TILE_SIZE_16; + switch (rdev->num_gb_pipes) { + case 2: + gb_tile_config |= R300_PIPE_COUNT_R300; + break; + case 3: + gb_tile_config |= R300_PIPE_COUNT_R420_3P; + break; + case 4: + gb_tile_config |= R300_PIPE_COUNT_R420; + break; + case 1: + default: + gb_tile_config |= R300_PIPE_COUNT_RV350; + break; + } + + r = radeon_ring_lock(rdev, 64); + if (r) { + return; + } + radeon_ring_write(rdev, PACKET0(RADEON_ISYNC_CNTL, 0)); + radeon_ring_write(rdev, + RADEON_ISYNC_ANY2D_IDLE3D | + RADEON_ISYNC_ANY3D_IDLE2D | + RADEON_ISYNC_WAIT_IDLEGUI | + RADEON_ISYNC_CPSCRATCH_IDLEGUI); + radeon_ring_write(rdev, PACKET0(R300_GB_TILE_CONFIG, 0)); + radeon_ring_write(rdev, gb_tile_config); + radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0)); + radeon_ring_write(rdev, + RADEON_WAIT_2D_IDLECLEAN | + RADEON_WAIT_3D_IDLECLEAN); + radeon_ring_write(rdev, PACKET0(0x170C, 0)); + radeon_ring_write(rdev, 1 << 31); + radeon_ring_write(rdev, PACKET0(R300_GB_SELECT, 0)); + radeon_ring_write(rdev, 0); + radeon_ring_write(rdev, PACKET0(R300_GB_ENABLE, 0)); + radeon_ring_write(rdev, 0); + radeon_ring_write(rdev, PACKET0(0x42C8, 0)); + radeon_ring_write(rdev, (1 << rdev->num_gb_pipes) - 1); + radeon_ring_write(rdev, PACKET0(R500_VAP_INDEX_OFFSET, 0)); + radeon_ring_write(rdev, 0); + radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); + radeon_ring_write(rdev, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE); + radeon_ring_write(rdev, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0)); + radeon_ring_write(rdev, R300_ZC_FLUSH | R300_ZC_FREE); + radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0)); + radeon_ring_write(rdev, + RADEON_WAIT_2D_IDLECLEAN | + RADEON_WAIT_3D_IDLECLEAN); + radeon_ring_write(rdev, PACKET0(R300_GB_AA_CONFIG, 0)); + radeon_ring_write(rdev, 0); + radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); + radeon_ring_write(rdev, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE); + radeon_ring_write(rdev, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0)); + radeon_ring_write(rdev, R300_ZC_FLUSH | R300_ZC_FREE); + radeon_ring_write(rdev, PACKET0(R300_GB_MSPOS0, 0)); + radeon_ring_write(rdev, + ((6 << R300_MS_X0_SHIFT) | + (6 << R300_MS_Y0_SHIFT) | + (6 << R300_MS_X1_SHIFT) | + (6 << R300_MS_Y1_SHIFT) | + (6 << R300_MS_X2_SHIFT) | + (6 << R300_MS_Y2_SHIFT) | + (6 << R300_MSBD0_Y_SHIFT) | + (6 << R300_MSBD0_X_SHIFT))); + radeon_ring_write(rdev, PACKET0(R300_GB_MSPOS1, 0)); + radeon_ring_write(rdev, + ((6 << R300_MS_X3_SHIFT) | + (6 << R300_MS_Y3_SHIFT) | + (6 << R300_MS_X4_SHIFT) | + (6 << R300_MS_Y4_SHIFT) | + (6 << R300_MS_X5_SHIFT) | + (6 << R300_MS_Y5_SHIFT) | + (6 << R300_MSBD1_SHIFT))); + radeon_ring_write(rdev, PACKET0(R300_GA_ENHANCE, 0)); + radeon_ring_write(rdev, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL); + radeon_ring_write(rdev, PACKET0(R300_GA_POLY_MODE, 0)); + radeon_ring_write(rdev, + R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE); + radeon_ring_write(rdev, PACKET0(R300_GA_ROUND_MODE, 0)); + radeon_ring_write(rdev, + R300_GEOMETRY_ROUND_NEAREST | + R300_COLOR_ROUND_NEAREST); + radeon_ring_unlock_commit(rdev); +} + +void rv515_errata(struct radeon_device *rdev) +{ + rdev->pll_errata = 0; +} + +int rv515_mc_wait_for_idle(struct radeon_device *rdev) +{ + unsigned i; + uint32_t tmp; + + for (i = 0; i < rdev->usec_timeout; i++) { + /* read MC_STATUS */ + tmp = RREG32_MC(RV515_MC_STATUS); + if (tmp & RV515_MC_STATUS_IDLE) { + return 0; + } + DRM_UDELAY(1); + } + return -1; +} + +void rv515_gpu_init(struct radeon_device *rdev) +{ + unsigned pipe_select_current, gb_pipe_select, tmp; + + r100_hdp_reset(rdev); + r100_rb2d_reset(rdev); + + if (r100_gui_wait_for_idle(rdev)) { + printk(KERN_WARNING "Failed to wait GUI idle while " + "reseting GPU. Bad things might happen.\n"); + } + + rs600_disable_vga(rdev); + + r420_pipes_init(rdev); + gb_pipe_select = RREG32(0x402C); + tmp = RREG32(0x170C); + pipe_select_current = (tmp >> 2) & 3; + tmp = (1 << pipe_select_current) | + (((gb_pipe_select >> 8) & 0xF) << 4); + WREG32_PLL(0x000D, tmp); + if (r100_gui_wait_for_idle(rdev)) { + printk(KERN_WARNING "Failed to wait GUI idle while " + "reseting GPU. Bad things might happen.\n"); + } + if (rv515_mc_wait_for_idle(rdev)) { + printk(KERN_WARNING "Failed to wait MC idle while " + "programming pipes. Bad things might happen.\n"); + } +} + +int rv515_ga_reset(struct radeon_device *rdev) +{ + uint32_t tmp; + bool reinit_cp; + int i; + + reinit_cp = rdev->cp.ready; + rdev->cp.ready = false; + for (i = 0; i < rdev->usec_timeout; i++) { + WREG32(RADEON_CP_CSQ_MODE, 0); + WREG32(RADEON_CP_CSQ_CNTL, 0); + WREG32(RADEON_RBBM_SOFT_RESET, 0x32005); + (void)RREG32(RADEON_RBBM_SOFT_RESET); + udelay(200); + WREG32(RADEON_RBBM_SOFT_RESET, 0); + /* Wait to prevent race in RBBM_STATUS */ + mdelay(1); + tmp = RREG32(RADEON_RBBM_STATUS); + if (tmp & ((1 << 20) | (1 << 26))) { + DRM_ERROR("VAP & CP still busy (RBBM_STATUS=0x%08X)\n", tmp); + /* GA still busy soft reset it */ + WREG32(0x429C, 0x200); + WREG32(R300_VAP_PVS_STATE_FLUSH_REG, 0); + WREG32(0x43E0, 0); + WREG32(0x43E4, 0); + WREG32(0x24AC, 0); + } + /* Wait to prevent race in RBBM_STATUS */ + mdelay(1); + tmp = RREG32(RADEON_RBBM_STATUS); + if (!(tmp & ((1 << 20) | (1 << 26)))) { + break; + } + } + for (i = 0; i < rdev->usec_timeout; i++) { + tmp = RREG32(RADEON_RBBM_STATUS); + if (!(tmp & ((1 << 20) | (1 << 26)))) { + DRM_INFO("GA reset succeed (RBBM_STATUS=0x%08X)\n", + tmp); + DRM_INFO("GA_IDLE=0x%08X\n", RREG32(0x425C)); + DRM_INFO("RB3D_RESET_STATUS=0x%08X\n", RREG32(0x46f0)); + DRM_INFO("ISYNC_CNTL=0x%08X\n", RREG32(0x1724)); + if (reinit_cp) { + return r100_cp_init(rdev, rdev->cp.ring_size); + } + return 0; + } + DRM_UDELAY(1); + } + tmp = RREG32(RADEON_RBBM_STATUS); + DRM_ERROR("Failed to reset GA ! (RBBM_STATUS=0x%08X)\n", tmp); + return -1; +} + +int rv515_gpu_reset(struct radeon_device *rdev) +{ + uint32_t status; + + /* reset order likely matter */ + status = RREG32(RADEON_RBBM_STATUS); + /* reset HDP */ + r100_hdp_reset(rdev); + /* reset rb2d */ + if (status & ((1 << 17) | (1 << 18) | (1 << 27))) { + r100_rb2d_reset(rdev); + } + /* reset GA */ + if (status & ((1 << 20) | (1 << 26))) { + rv515_ga_reset(rdev); + } + /* reset CP */ + status = RREG32(RADEON_RBBM_STATUS); + if (status & (1 << 16)) { + r100_cp_reset(rdev); + } + /* Check if GPU is idle */ + status = RREG32(RADEON_RBBM_STATUS); + if (status & (1 << 31)) { + DRM_ERROR("Failed to reset GPU (RBBM_STATUS=0x%08X)\n", status); + return -1; + } + DRM_INFO("GPU reset succeed (RBBM_STATUS=0x%08X)\n", status); + return 0; +} + + +/* + * VRAM info + */ +static void rv515_vram_get_type(struct radeon_device *rdev) +{ + uint32_t tmp; + + rdev->mc.vram_width = 128; + rdev->mc.vram_is_ddr = true; + tmp = RREG32_MC(RV515_MC_CNTL); + tmp &= RV515_MEM_NUM_CHANNELS_MASK; + switch (tmp) { + case 0: + rdev->mc.vram_width = 64; + break; + case 1: + rdev->mc.vram_width = 128; + break; + default: + rdev->mc.vram_width = 128; + break; + } +} + +void rv515_vram_info(struct radeon_device *rdev) +{ + rv515_vram_get_type(rdev); + rdev->mc.vram_size = RREG32(RADEON_CONFIG_MEMSIZE); + + 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 rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg) +{ + uint32_t r; + + WREG32(R520_MC_IND_INDEX, 0x7f0000 | (reg & 0xffff)); + r = RREG32(R520_MC_IND_DATA); + WREG32(R520_MC_IND_INDEX, 0); + return r; +} + +void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) +{ + WREG32(R520_MC_IND_INDEX, 0xff0000 | ((reg) & 0xffff)); + WREG32(R520_MC_IND_DATA, (v)); + WREG32(R520_MC_IND_INDEX, 0); +} + +uint32_t rv515_pcie_rreg(struct radeon_device *rdev, uint32_t reg) +{ + uint32_t r; + + WREG32(RADEON_PCIE_INDEX, ((reg) & 0x7ff)); + (void)RREG32(RADEON_PCIE_INDEX); + r = RREG32(RADEON_PCIE_DATA); + return r; +} + +void rv515_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) +{ + WREG32(RADEON_PCIE_INDEX, ((reg) & 0x7ff)); + (void)RREG32(RADEON_PCIE_INDEX); + WREG32(RADEON_PCIE_DATA, (v)); + (void)RREG32(RADEON_PCIE_DATA); +} + + +/* + * Debugfs info + */ +#if defined(CONFIG_DEBUG_FS) +static int rv515_debugfs_pipes_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(R400_GB_PIPE_SELECT); + seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp); + tmp = RREG32(R500_SU_REG_DEST); + seq_printf(m, "SU_REG_DEST 0x%08x\n", tmp); + tmp = RREG32(R300_GB_TILE_CONFIG); + seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp); + tmp = RREG32(R300_DST_PIPE_CONFIG); + seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp); + return 0; +} + +static int rv515_debugfs_ga_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(0x2140); + seq_printf(m, "VAP_CNTL_STATUS 0x%08x\n", tmp); + radeon_gpu_reset(rdev); + tmp = RREG32(0x425C); + seq_printf(m, "GA_IDLE 0x%08x\n", tmp); + return 0; +} + +static struct drm_info_list rv515_pipes_info_list[] = { + {"rv515_pipes_info", rv515_debugfs_pipes_info, 0, NULL}, +}; + +static struct drm_info_list rv515_ga_info_list[] = { + {"rv515_ga_info", rv515_debugfs_ga_info, 0, NULL}, +}; +#endif + +int rv515_debugfs_pipes_info_init(struct radeon_device *rdev) +{ +#if defined(CONFIG_DEBUG_FS) + return radeon_debugfs_add_files(rdev, rv515_pipes_info_list, 1); +#else + return 0; +#endif +} + +int rv515_debugfs_ga_info_init(struct radeon_device *rdev) +{ +#if defined(CONFIG_DEBUG_FS) + return radeon_debugfs_add_files(rdev, rv515_ga_info_list, 1); +#else + return 0; +#endif +} |