diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r300.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r300.c | 1116 |
1 files changed, 1116 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c new file mode 100644 index 000000000000..f5870a099d4f --- /dev/null +++ b/drivers/gpu/drm/radeon/r300.c @@ -0,0 +1,1116 @@ +/* + * 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 "drm.h" +#include "radeon_reg.h" +#include "radeon.h" + +/* r300,r350,rv350,rv370,rv380 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_cp_init(struct radeon_device *rdev, unsigned ring_size); +int r100_pci_gart_enable(struct radeon_device *rdev); +void r100_pci_gart_disable(struct radeon_device *rdev); +void r100_mc_setup(struct radeon_device *rdev); +void r100_mc_disable_clients(struct radeon_device *rdev); +int r100_gui_wait_for_idle(struct radeon_device *rdev); +int r100_cs_packet_parse(struct radeon_cs_parser *p, + struct radeon_cs_packet *pkt, + unsigned idx); +int r100_cs_packet_next_reloc(struct radeon_cs_parser *p, + struct radeon_cs_reloc **cs_reloc); +int r100_cs_parse_packet0(struct radeon_cs_parser *p, + struct radeon_cs_packet *pkt, + unsigned *auth, unsigned n, + radeon_packet0_check_t check); +int r100_cs_parse_packet3(struct radeon_cs_parser *p, + struct radeon_cs_packet *pkt, + unsigned *auth, unsigned n, + radeon_packet3_check_t check); +void r100_cs_dump_packet(struct radeon_cs_parser *p, + struct radeon_cs_packet *pkt); + +/* This files gather functions specifics to: + * r300,r350,rv350,rv370,rv380 + * + * Some of these functions might be used by newer ASICs. + */ +void r300_gpu_init(struct radeon_device *rdev); +int r300_mc_wait_for_idle(struct radeon_device *rdev); +int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev); + + +/* + * rv370,rv380 PCIE GART + */ +void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev) +{ + uint32_t tmp; + int i; + + /* Workaround HW bug do flush 2 times */ + for (i = 0; i < 2; i++) { + tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL); + WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB); + (void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL); + WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp); + mb(); + } +} + +int rv370_pcie_gart_enable(struct radeon_device *rdev) +{ + uint32_t table_addr; + uint32_t tmp; + int r; + + /* Initialize common gart structure */ + r = radeon_gart_init(rdev); + if (r) { + return r; + } + r = rv370_debugfs_pcie_gart_info_init(rdev); + if (r) { + DRM_ERROR("Failed to register debugfs file for PCIE gart !\n"); + } + rdev->gart.table_size = rdev->gart.num_gpu_pages * 4; + r = radeon_gart_table_vram_alloc(rdev); + if (r) { + return r; + } + /* discard memory request outside of configured range */ + tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD; + WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp); + WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_location); + tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 4096; + WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp); + WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0); + WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0); + table_addr = rdev->gart.table_addr; + WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr); + /* FIXME: setup default page */ + WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_location); + WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0); + /* Clear error */ + WREG32_PCIE(0x18, 0); + tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL); + tmp |= RADEON_PCIE_TX_GART_EN; + tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD; + WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp); + rv370_pcie_gart_tlb_flush(rdev); + DRM_INFO("PCIE GART of %uM enabled (table at 0x%08X).\n", + rdev->mc.gtt_size >> 20, table_addr); + rdev->gart.ready = true; + return 0; +} + +void rv370_pcie_gart_disable(struct radeon_device *rdev) +{ + uint32_t tmp; + + tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL); + tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD; + WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN); + if (rdev->gart.table.vram.robj) { + radeon_object_kunmap(rdev->gart.table.vram.robj); + radeon_object_unpin(rdev->gart.table.vram.robj); + } +} + +int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr) +{ + void __iomem *ptr = (void *)rdev->gart.table.vram.ptr; + + if (i < 0 || i > rdev->gart.num_gpu_pages) { + return -EINVAL; + } + addr = (((u32)addr) >> 8) | ((upper_32_bits(addr) & 0xff) << 4) | 0xC; + writel(cpu_to_le32(addr), ((void __iomem *)ptr) + (i * 4)); + return 0; +} + +int r300_gart_enable(struct radeon_device *rdev) +{ +#if __OS_HAS_AGP + if (rdev->flags & RADEON_IS_AGP) { + if (rdev->family > CHIP_RV350) { + rv370_pcie_gart_disable(rdev); + } else { + r100_pci_gart_disable(rdev); + } + return 0; + } +#endif + if (rdev->flags & RADEON_IS_PCIE) { + rdev->asic->gart_disable = &rv370_pcie_gart_disable; + rdev->asic->gart_tlb_flush = &rv370_pcie_gart_tlb_flush; + rdev->asic->gart_set_page = &rv370_pcie_gart_set_page; + return rv370_pcie_gart_enable(rdev); + } + return r100_pci_gart_enable(rdev); +} + + +/* + * MC + */ +int r300_mc_init(struct radeon_device *rdev) +{ + int r; + + if (r100_debugfs_rbbm_init(rdev)) { + DRM_ERROR("Failed to register debugfs file for RBBM !\n"); + } + + r300_gpu_init(rdev); + r100_pci_gart_disable(rdev); + if (rdev->flags & RADEON_IS_PCIE) { + 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 */ + 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"); + } + r100_mc_setup(rdev); + return 0; +} + +void r300_mc_fini(struct radeon_device *rdev) +{ + if (rdev->flags & RADEON_IS_PCIE) { + rv370_pcie_gart_disable(rdev); + radeon_gart_table_vram_free(rdev); + } else { + r100_pci_gart_disable(rdev); + radeon_gart_table_ram_free(rdev); + } + radeon_gart_fini(rdev); +} + + +/* + * Fence emission + */ +void r300_fence_ring_emit(struct radeon_device *rdev, + struct radeon_fence *fence) +{ + /* Who ever call radeon_fence_emit should call ring_lock and ask + * for enough space (today caller are ib schedule and buffer move) */ + /* Write SC register so SC & US assert idle */ + radeon_ring_write(rdev, PACKET0(0x43E0, 0)); + radeon_ring_write(rdev, 0); + radeon_ring_write(rdev, PACKET0(0x43E4, 0)); + radeon_ring_write(rdev, 0); + /* Flush 3D cache */ + radeon_ring_write(rdev, PACKET0(0x4E4C, 0)); + radeon_ring_write(rdev, (2 << 0)); + radeon_ring_write(rdev, PACKET0(0x4F18, 0)); + radeon_ring_write(rdev, (1 << 0)); + /* Wait until IDLE & CLEAN */ + radeon_ring_write(rdev, PACKET0(0x1720, 0)); + radeon_ring_write(rdev, (1 << 17) | (1 << 16) | (1 << 9)); + /* Emit fence sequence & fire IRQ */ + radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0)); + radeon_ring_write(rdev, fence->seq); + radeon_ring_write(rdev, PACKET0(RADEON_GEN_INT_STATUS, 0)); + radeon_ring_write(rdev, RADEON_SW_INT_FIRE); +} + + +/* + * Global GPU functions + */ +int r300_copy_dma(struct radeon_device *rdev, + uint64_t src_offset, + uint64_t dst_offset, + unsigned num_pages, + struct radeon_fence *fence) +{ + uint32_t size; + uint32_t cur_size; + int i, num_loops; + int r = 0; + + /* radeon pitch is /64 */ + size = num_pages << PAGE_SHIFT; + num_loops = DIV_ROUND_UP(size, 0x1FFFFF); + r = radeon_ring_lock(rdev, num_loops * 4 + 64); + if (r) { + DRM_ERROR("radeon: moving bo (%d).\n", r); + return r; + } + /* Must wait for 2D idle & clean before DMA or hangs might happen */ + radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0)); + radeon_ring_write(rdev, (1 << 16)); + for (i = 0; i < num_loops; i++) { + cur_size = size; + if (cur_size > 0x1FFFFF) { + cur_size = 0x1FFFFF; + } + size -= cur_size; + radeon_ring_write(rdev, PACKET0(0x720, 2)); + radeon_ring_write(rdev, src_offset); + radeon_ring_write(rdev, dst_offset); + radeon_ring_write(rdev, cur_size | (1 << 31) | (1 << 30)); + src_offset += cur_size; + dst_offset += cur_size; + } + radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0)); + radeon_ring_write(rdev, RADEON_WAIT_DMA_GUI_IDLE); + if (fence) { + r = radeon_fence_emit(rdev, fence); + } + radeon_ring_unlock_commit(rdev); + return r; +} + +void r300_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(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 r300_errata(struct radeon_device *rdev) +{ + rdev->pll_errata = 0; + + if (rdev->family == CHIP_R300 && + (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) { + rdev->pll_errata |= CHIP_ERRATA_R300_CG; + } +} + +int r300_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(0x0150); + if (tmp & (1 << 4)) { + return 0; + } + DRM_UDELAY(1); + } + return -1; +} + +void r300_gpu_init(struct radeon_device *rdev) +{ + uint32_t gb_tile_config, tmp; + + r100_hdp_reset(rdev); + /* FIXME: rv380 one pipes ? */ + if ((rdev->family == CHIP_R300) || (rdev->family == CHIP_R350)) { + /* r300,r350 */ + rdev->num_gb_pipes = 2; + } else { + /* rv350,rv370,rv380 */ + rdev->num_gb_pipes = 1; + } + 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; + } + WREG32(R300_GB_TILE_CONFIG, gb_tile_config); + + if (r100_gui_wait_for_idle(rdev)) { + printk(KERN_WARNING "Failed to wait GUI idle while " + "programming pipes. Bad things might happen.\n"); + } + + tmp = RREG32(0x170C); + WREG32(0x170C, tmp | (1 << 31)); + + WREG32(R300_RB2D_DSTCACHE_MODE, + R300_DC_AUTOFLUSH_ENABLE | + R300_DC_DC_DISABLE_IGNORE_PE); + + if (r100_gui_wait_for_idle(rdev)) { + printk(KERN_WARNING "Failed to wait GUI idle while " + "programming pipes. Bad things might happen.\n"); + } + if (r300_mc_wait_for_idle(rdev)) { + printk(KERN_WARNING "Failed to wait MC idle while " + "programming pipes. Bad things might happen.\n"); + } + DRM_INFO("radeon: %d pipes initialized.\n", rdev->num_gb_pipes); +} + +int r300_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)", 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); + 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 r300_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))) { + r300_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; +} + + +/* + * r300,r350,rv350,rv380 VRAM info + */ +void r300_vram_info(struct radeon_device *rdev) +{ + uint32_t tmp; + + /* DDR for all card after R300 & IGP */ + rdev->mc.vram_is_ddr = true; + tmp = RREG32(RADEON_MEM_CNTL); + if (tmp & R300_MEM_NUM_CHANNELS_MASK) { + rdev->mc.vram_width = 128; + } else { + rdev->mc.vram_width = 64; + } + 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 rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg) +{ + uint32_t r; + + WREG8(RADEON_PCIE_INDEX, ((reg) & 0xff)); + (void)RREG32(RADEON_PCIE_INDEX); + r = RREG32(RADEON_PCIE_DATA); + return r; +} + +void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) +{ + WREG8(RADEON_PCIE_INDEX, ((reg) & 0xff)); + (void)RREG32(RADEON_PCIE_INDEX); + WREG32(RADEON_PCIE_DATA, (v)); + (void)RREG32(RADEON_PCIE_DATA); +} + +/* + * PCIE Lanes + */ + +void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes) +{ + uint32_t link_width_cntl, mask; + + if (rdev->flags & RADEON_IS_IGP) + return; + + if (!(rdev->flags & RADEON_IS_PCIE)) + return; + + /* FIXME wait for idle */ + + switch (lanes) { + case 0: + mask = RADEON_PCIE_LC_LINK_WIDTH_X0; + break; + case 1: + mask = RADEON_PCIE_LC_LINK_WIDTH_X1; + break; + case 2: + mask = RADEON_PCIE_LC_LINK_WIDTH_X2; + break; + case 4: + mask = RADEON_PCIE_LC_LINK_WIDTH_X4; + break; + case 8: + mask = RADEON_PCIE_LC_LINK_WIDTH_X8; + break; + case 12: + mask = RADEON_PCIE_LC_LINK_WIDTH_X12; + break; + case 16: + default: + mask = RADEON_PCIE_LC_LINK_WIDTH_X16; + break; + } + + link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL); + + if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) == + (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT)) + return; + + link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK | + RADEON_PCIE_LC_RECONFIG_NOW | + RADEON_PCIE_LC_RECONFIG_LATER | + RADEON_PCIE_LC_SHORT_RECONFIG_EN); + link_width_cntl |= mask; + WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); + WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl | + RADEON_PCIE_LC_RECONFIG_NOW)); + + /* wait for lane set to complete */ + link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL); + while (link_width_cntl == 0xffffffff) + link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL); + +} + + +/* + * Debugfs info + */ +#if defined(CONFIG_DEBUG_FS) +static int rv370_debugfs_pcie_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_PCIE(RADEON_PCIE_TX_GART_CNTL); + seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp); + tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE); + seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp); + tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO); + seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp); + tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI); + seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp); + tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO); + seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp); + tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI); + seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp); + tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR); + seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp); + return 0; +} + +static struct drm_info_list rv370_pcie_gart_info_list[] = { + {"rv370_pcie_gart_info", rv370_debugfs_pcie_gart_info, 0, NULL}, +}; +#endif + +int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev) +{ +#if defined(CONFIG_DEBUG_FS) + return radeon_debugfs_add_files(rdev, rv370_pcie_gart_info_list, 1); +#else + return 0; +#endif +} + + +/* + * CS functions + */ +struct r300_cs_track_cb { + struct radeon_object *robj; + unsigned pitch; + unsigned cpp; + unsigned offset; +}; + +struct r300_cs_track { + unsigned num_cb; + unsigned maxy; + struct r300_cs_track_cb cb[4]; + struct r300_cs_track_cb zb; + bool z_enabled; +}; + +int r300_cs_track_check(struct radeon_device *rdev, struct r300_cs_track *track) +{ + unsigned i; + unsigned long size; + + for (i = 0; i < track->num_cb; i++) { + if (track->cb[i].robj == NULL) { + DRM_ERROR("[drm] No buffer for color buffer %d !\n", i); + return -EINVAL; + } + size = track->cb[i].pitch * track->cb[i].cpp * track->maxy; + size += track->cb[i].offset; + if (size > radeon_object_size(track->cb[i].robj)) { + DRM_ERROR("[drm] Buffer too small for color buffer %d " + "(need %lu have %lu) !\n", i, size, + radeon_object_size(track->cb[i].robj)); + DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n", + i, track->cb[i].pitch, track->cb[i].cpp, + track->cb[i].offset, track->maxy); + return -EINVAL; + } + } + if (track->z_enabled) { + if (track->zb.robj == NULL) { + DRM_ERROR("[drm] No buffer for z buffer !\n"); + return -EINVAL; + } + size = track->zb.pitch * track->zb.cpp * track->maxy; + size += track->zb.offset; + if (size > radeon_object_size(track->zb.robj)) { + DRM_ERROR("[drm] Buffer too small for z buffer " + "(need %lu have %lu) !\n", size, + radeon_object_size(track->zb.robj)); + return -EINVAL; + } + } + return 0; +} + +static inline void r300_cs_track_clear(struct r300_cs_track *track) +{ + unsigned i; + + track->num_cb = 4; + track->maxy = 4096; + for (i = 0; i < track->num_cb; i++) { + track->cb[i].robj = NULL; + track->cb[i].pitch = 8192; + track->cb[i].cpp = 16; + track->cb[i].offset = 0; + } + track->z_enabled = true; + track->zb.robj = NULL; + track->zb.pitch = 8192; + track->zb.cpp = 4; + track->zb.offset = 0; +} + +static unsigned r300_auth_reg[] = { + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFBF, 0xFFFFFFFF, 0xFFFFFFBF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0x17FF1FFF, 0xFFFFFFFC, 0xFFFFFFFF, 0xFF30FFBF, + 0xFFFFFFF8, 0xC3E6FFFF, 0xFFFFF6DF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFF03F, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFCFCC, 0xF00E9FFF, 0x007C0000, + 0xF0000078, 0xFF000009, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFF7FF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFC78, 0xFFFFFFFF, 0xFFFFFFFC, 0xFFFFFFFF, + 0x38FF8F50, 0xFFF88082, 0xF000000C, 0xFAE009FF, + 0x00000000, 0x00000000, 0xFFFF0000, 0x00000000, + 0x00000000, 0x0000C100, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0xFFFF0000, 0xFFFFFFFF, 0xFF80FFFF, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x0003FC01, 0xFFFFFFF8, 0xFE800B19, +}; + +static int r300_packet0_check(struct radeon_cs_parser *p, + struct radeon_cs_packet *pkt, + unsigned idx, unsigned reg) +{ + struct radeon_cs_chunk *ib_chunk; + struct radeon_cs_reloc *reloc; + struct r300_cs_track *track; + volatile uint32_t *ib; + uint32_t tmp; + unsigned i; + int r; + + ib = p->ib->ptr; + ib_chunk = &p->chunks[p->chunk_ib_idx]; + track = (struct r300_cs_track *)p->track; + switch (reg) { + case RADEON_DST_PITCH_OFFSET: + case RADEON_SRC_PITCH_OFFSET: + r = r100_cs_packet_next_reloc(p, &reloc); + if (r) { + DRM_ERROR("No reloc for ib[%d]=0x%04X\n", + idx, reg); + r100_cs_dump_packet(p, pkt); + return r; + } + tmp = ib_chunk->kdata[idx] & 0x003fffff; + tmp += (((u32)reloc->lobj.gpu_offset) >> 10); + ib[idx] = (ib_chunk->kdata[idx] & 0xffc00000) | tmp; + break; + case R300_RB3D_COLOROFFSET0: + case R300_RB3D_COLOROFFSET1: + case R300_RB3D_COLOROFFSET2: + case R300_RB3D_COLOROFFSET3: + i = (reg - R300_RB3D_COLOROFFSET0) >> 2; + r = r100_cs_packet_next_reloc(p, &reloc); + if (r) { + DRM_ERROR("No reloc for ib[%d]=0x%04X\n", + idx, reg); + r100_cs_dump_packet(p, pkt); + return r; + } + track->cb[i].robj = reloc->robj; + track->cb[i].offset = ib_chunk->kdata[idx]; + ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset); + break; + case R300_ZB_DEPTHOFFSET: + r = r100_cs_packet_next_reloc(p, &reloc); + if (r) { + DRM_ERROR("No reloc for ib[%d]=0x%04X\n", + idx, reg); + r100_cs_dump_packet(p, pkt); + return r; + } + track->zb.robj = reloc->robj; + track->zb.offset = ib_chunk->kdata[idx]; + ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset); + break; + case R300_TX_OFFSET_0: + case R300_TX_OFFSET_0+4: + case R300_TX_OFFSET_0+8: + case R300_TX_OFFSET_0+12: + case R300_TX_OFFSET_0+16: + case R300_TX_OFFSET_0+20: + case R300_TX_OFFSET_0+24: + case R300_TX_OFFSET_0+28: + case R300_TX_OFFSET_0+32: + case R300_TX_OFFSET_0+36: + case R300_TX_OFFSET_0+40: + case R300_TX_OFFSET_0+44: + case R300_TX_OFFSET_0+48: + case R300_TX_OFFSET_0+52: + case R300_TX_OFFSET_0+56: + case R300_TX_OFFSET_0+60: + r = r100_cs_packet_next_reloc(p, &reloc); + if (r) { + DRM_ERROR("No reloc for ib[%d]=0x%04X\n", + idx, reg); + r100_cs_dump_packet(p, pkt); + return r; + } + ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset); + break; + /* Tracked registers */ + case 0x43E4: + /* SC_SCISSOR1 */ + + track->maxy = ((ib_chunk->kdata[idx] >> 13) & 0x1FFF) + 1; + if (p->rdev->family < CHIP_RV515) { + track->maxy -= 1440; + } + break; + case 0x4E00: + /* RB3D_CCTL */ + track->num_cb = ((ib_chunk->kdata[idx] >> 5) & 0x3) + 1; + break; + case 0x4E38: + case 0x4E3C: + case 0x4E40: + case 0x4E44: + /* RB3D_COLORPITCH0 */ + /* RB3D_COLORPITCH1 */ + /* RB3D_COLORPITCH2 */ + /* RB3D_COLORPITCH3 */ + i = (reg - 0x4E38) >> 2; + track->cb[i].pitch = ib_chunk->kdata[idx] & 0x3FFE; + switch (((ib_chunk->kdata[idx] >> 21) & 0xF)) { + case 9: + case 11: + case 12: + track->cb[i].cpp = 1; + break; + case 3: + case 4: + case 13: + case 15: + track->cb[i].cpp = 2; + break; + case 6: + track->cb[i].cpp = 4; + break; + case 10: + track->cb[i].cpp = 8; + break; + case 7: + track->cb[i].cpp = 16; + break; + default: + DRM_ERROR("Invalid color buffer format (%d) !\n", + ((ib_chunk->kdata[idx] >> 21) & 0xF)); + return -EINVAL; + } + break; + case 0x4F00: + /* ZB_CNTL */ + if (ib_chunk->kdata[idx] & 2) { + track->z_enabled = true; + } else { + track->z_enabled = false; + } + break; + case 0x4F10: + /* ZB_FORMAT */ + switch ((ib_chunk->kdata[idx] & 0xF)) { + case 0: + case 1: + track->zb.cpp = 2; + break; + case 2: + track->zb.cpp = 4; + break; + default: + DRM_ERROR("Invalid z buffer format (%d) !\n", + (ib_chunk->kdata[idx] & 0xF)); + return -EINVAL; + } + break; + case 0x4F24: + /* ZB_DEPTHPITCH */ + track->zb.pitch = ib_chunk->kdata[idx] & 0x3FFC; + break; + default: + printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n", reg, idx); + return -EINVAL; + } + return 0; +} + +static int r300_packet3_check(struct radeon_cs_parser *p, + struct radeon_cs_packet *pkt) +{ + struct radeon_cs_chunk *ib_chunk; + struct radeon_cs_reloc *reloc; + struct r300_cs_track *track; + volatile uint32_t *ib; + unsigned idx; + unsigned i, c; + int r; + + ib = p->ib->ptr; + ib_chunk = &p->chunks[p->chunk_ib_idx]; + idx = pkt->idx + 1; + track = (struct r300_cs_track *)p->track; + switch (pkt->opcode) { + case PACKET3_3D_LOAD_VBPNTR: + c = ib_chunk->kdata[idx++]; + for (i = 0; i < (c - 1); i += 2, idx += 3) { + r = r100_cs_packet_next_reloc(p, &reloc); + if (r) { + DRM_ERROR("No reloc for packet3 %d\n", + pkt->opcode); + r100_cs_dump_packet(p, pkt); + return r; + } + ib[idx+1] = ib_chunk->kdata[idx+1] + ((u32)reloc->lobj.gpu_offset); + r = r100_cs_packet_next_reloc(p, &reloc); + if (r) { + DRM_ERROR("No reloc for packet3 %d\n", + pkt->opcode); + r100_cs_dump_packet(p, pkt); + return r; + } + ib[idx+2] = ib_chunk->kdata[idx+2] + ((u32)reloc->lobj.gpu_offset); + } + if (c & 1) { + r = r100_cs_packet_next_reloc(p, &reloc); + if (r) { + DRM_ERROR("No reloc for packet3 %d\n", + pkt->opcode); + r100_cs_dump_packet(p, pkt); + return r; + } + ib[idx+1] = ib_chunk->kdata[idx+1] + ((u32)reloc->lobj.gpu_offset); + } + break; + case PACKET3_INDX_BUFFER: + r = r100_cs_packet_next_reloc(p, &reloc); + if (r) { + DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode); + r100_cs_dump_packet(p, pkt); + return r; + } + ib[idx+1] = ib_chunk->kdata[idx+1] + ((u32)reloc->lobj.gpu_offset); + break; + /* Draw packet */ + case PACKET3_3D_DRAW_VBUF: + case PACKET3_3D_DRAW_IMMD: + case PACKET3_3D_DRAW_INDX: + case PACKET3_3D_DRAW_VBUF_2: + case PACKET3_3D_DRAW_IMMD_2: + case PACKET3_3D_DRAW_INDX_2: + r = r300_cs_track_check(p->rdev, track); + if (r) { + return r; + } + break; + case PACKET3_NOP: + break; + default: + DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode); + return -EINVAL; + } + return 0; +} + +int r300_cs_parse(struct radeon_cs_parser *p) +{ + struct radeon_cs_packet pkt; + struct r300_cs_track track; + int r; + + r300_cs_track_clear(&track); + p->track = &track; + do { + r = r100_cs_packet_parse(p, &pkt, p->idx); + if (r) { + return r; + } + p->idx += pkt.count + 2; + switch (pkt.type) { + case PACKET_TYPE0: + r = r100_cs_parse_packet0(p, &pkt, + r300_auth_reg, + ARRAY_SIZE(r300_auth_reg), + &r300_packet0_check); + break; + case PACKET_TYPE2: + break; + case PACKET_TYPE3: + r = r300_packet3_check(p, &pkt); + break; + default: + DRM_ERROR("Unknown packet type %d !\n", pkt.type); + return -EINVAL; + } + if (r) { + return r; + } + } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw); + return 0; +} |