diff options
Diffstat (limited to 'kernel/drivers/gpu/drm/radeon/r520.c')
| -rw-r--r-- | kernel/drivers/gpu/drm/radeon/r520.c | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/kernel/drivers/gpu/drm/radeon/r520.c b/kernel/drivers/gpu/drm/radeon/r520.c new file mode 100644 index 000000000..98d6053c3 --- /dev/null +++ b/kernel/drivers/gpu/drm/radeon/r520.c @@ -0,0 +1,332 @@ +/* + * 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 <drm/drmP.h> +#include "radeon.h" +#include "radeon_asic.h" +#include "atom.h" +#include "r520d.h" + +/* This files gather functions specifics to: r520,rv530,rv560,rv570,r580 */ + +int r520_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(R520_MC_STATUS); + if (tmp & R520_MC_STATUS_IDLE) { + return 0; + } + DRM_UDELAY(1); + } + return -1; +} + +static void r520_gpu_init(struct radeon_device *rdev) +{ + unsigned pipe_select_current, gb_pipe_select, tmp; + + rv515_vga_render_disable(rdev); + /* + * DST_PIPE_CONFIG 0x170C + * GB_TILE_CONFIG 0x4018 + * GB_FIFO_SIZE 0x4024 + * GB_PIPE_SELECT 0x402C + * GB_PIPE_SELECT2 0x4124 + * Z_PIPE_SHIFT 0 + * Z_PIPE_MASK 0x000000003 + * GB_FIFO_SIZE2 0x4128 + * SC_SFIFO_SIZE_SHIFT 0 + * SC_SFIFO_SIZE_MASK 0x000000003 + * SC_MFIFO_SIZE_SHIFT 2 + * SC_MFIFO_SIZE_MASK 0x00000000C + * FG_SFIFO_SIZE_SHIFT 4 + * FG_SFIFO_SIZE_MASK 0x000000030 + * ZB_MFIFO_SIZE_SHIFT 6 + * ZB_MFIFO_SIZE_MASK 0x0000000C0 + * GA_ENHANCE 0x4274 + * SU_REG_DEST 0x42C8 + */ + /* workaround for RV530 */ + if (rdev->family == CHIP_RV530) { + WREG32(0x4128, 0xFF); + } + r420_pipes_init(rdev); + gb_pipe_select = RREG32(R400_GB_PIPE_SELECT); + tmp = RREG32(R300_DST_PIPE_CONFIG); + pipe_select_current = (tmp >> 2) & 3; + tmp = (1 << pipe_select_current) | + (((gb_pipe_select >> 8) & 0xF) << 4); + WREG32_PLL(0x000D, tmp); + if (r520_mc_wait_for_idle(rdev)) { + printk(KERN_WARNING "Failed to wait MC idle while " + "programming pipes. Bad things might happen.\n"); + } +} + +static void r520_vram_get_type(struct radeon_device *rdev) +{ + uint32_t tmp; + + rdev->mc.vram_width = 128; + rdev->mc.vram_is_ddr = true; + tmp = RREG32_MC(R520_MC_CNTL0); + switch ((tmp & R520_MEM_NUM_CHANNELS_MASK) >> R520_MEM_NUM_CHANNELS_SHIFT) { + case 0: + rdev->mc.vram_width = 32; + break; + case 1: + rdev->mc.vram_width = 64; + break; + case 2: + rdev->mc.vram_width = 128; + break; + case 3: + rdev->mc.vram_width = 256; + break; + default: + rdev->mc.vram_width = 128; + break; + } + if (tmp & R520_MC_CHANNEL_SIZE) + rdev->mc.vram_width *= 2; +} + +static void r520_mc_init(struct radeon_device *rdev) +{ + + r520_vram_get_type(rdev); + r100_vram_init_sizes(rdev); + radeon_vram_location(rdev, &rdev->mc, 0); + rdev->mc.gtt_base_align = 0; + if (!(rdev->flags & RADEON_IS_AGP)) + radeon_gtt_location(rdev, &rdev->mc); + radeon_update_bandwidth_info(rdev); +} + +static void r520_mc_program(struct radeon_device *rdev) +{ + struct rv515_mc_save save; + + /* Stops all mc clients */ + rv515_mc_stop(rdev, &save); + + /* Wait for mc idle */ + if (r520_mc_wait_for_idle(rdev)) + dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n"); + /* Write VRAM size in case we are limiting it */ + WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size); + /* Program MC, should be a 32bits limited address space */ + WREG32_MC(R_000004_MC_FB_LOCATION, + S_000004_MC_FB_START(rdev->mc.vram_start >> 16) | + S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16)); + WREG32(R_000134_HDP_FB_LOCATION, + S_000134_HDP_FB_START(rdev->mc.vram_start >> 16)); + if (rdev->flags & RADEON_IS_AGP) { + WREG32_MC(R_000005_MC_AGP_LOCATION, + S_000005_MC_AGP_START(rdev->mc.gtt_start >> 16) | + S_000005_MC_AGP_TOP(rdev->mc.gtt_end >> 16)); + WREG32_MC(R_000006_AGP_BASE, lower_32_bits(rdev->mc.agp_base)); + WREG32_MC(R_000007_AGP_BASE_2, + S_000007_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base))); + } else { + WREG32_MC(R_000005_MC_AGP_LOCATION, 0xFFFFFFFF); + WREG32_MC(R_000006_AGP_BASE, 0); + WREG32_MC(R_000007_AGP_BASE_2, 0); + } + + rv515_mc_resume(rdev, &save); +} + +static int r520_startup(struct radeon_device *rdev) +{ + int r; + + r520_mc_program(rdev); + /* Resume clock */ + rv515_clock_startup(rdev); + /* Initialize GPU configuration (# pipes, ...) */ + r520_gpu_init(rdev); + /* Initialize GART (initialize after TTM so we can allocate + * memory through TTM but finalize after TTM) */ + if (rdev->flags & RADEON_IS_PCIE) { + r = rv370_pcie_gart_enable(rdev); + if (r) + return r; + } + + /* allocate wb buffer */ + r = radeon_wb_init(rdev); + if (r) + return r; + + r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); + if (r) { + dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); + return r; + } + + /* Enable IRQ */ + if (!rdev->irq.installed) { + r = radeon_irq_kms_init(rdev); + if (r) + return r; + } + + rs600_irq_set(rdev); + rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL); + /* 1M ring buffer */ + r = r100_cp_init(rdev, 1024 * 1024); + if (r) { + dev_err(rdev->dev, "failed initializing CP (%d).\n", r); + return r; + } + + r = radeon_ib_pool_init(rdev); + if (r) { + dev_err(rdev->dev, "IB initialization failed (%d).\n", r); + return r; + } + + return 0; +} + +int r520_resume(struct radeon_device *rdev) +{ + int r; + + /* Make sur GART are not working */ + if (rdev->flags & RADEON_IS_PCIE) + rv370_pcie_gart_disable(rdev); + /* Resume clock before doing reset */ + rv515_clock_startup(rdev); + /* Reset gpu before posting otherwise ATOM will enter infinite loop */ + if (radeon_asic_reset(rdev)) { + dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", + RREG32(R_000E40_RBBM_STATUS), + RREG32(R_0007C0_CP_STAT)); + } + /* post */ + atom_asic_init(rdev->mode_info.atom_context); + /* Resume clock after posting */ + rv515_clock_startup(rdev); + /* Initialize surface registers */ + radeon_surface_init(rdev); + + rdev->accel_working = true; + r = r520_startup(rdev); + if (r) { + rdev->accel_working = false; + } + return r; +} + +int r520_init(struct radeon_device *rdev) +{ + int r; + + /* Initialize scratch registers */ + radeon_scratch_init(rdev); + /* Initialize surface registers */ + radeon_surface_init(rdev); + /* restore some register to sane defaults */ + r100_restore_sanity(rdev); + /* TODO: disable VGA need to use VGA request */ + /* BIOS*/ + if (!radeon_get_bios(rdev)) { + if (ASIC_IS_AVIVO(rdev)) + return -EINVAL; + } + if (rdev->is_atom_bios) { + r = radeon_atombios_init(rdev); + if (r) + return r; + } else { + dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n"); + return -EINVAL; + } + /* Reset gpu before posting otherwise ATOM will enter infinite loop */ + if (radeon_asic_reset(rdev)) { + dev_warn(rdev->dev, + "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", + RREG32(R_000E40_RBBM_STATUS), + RREG32(R_0007C0_CP_STAT)); + } + /* check if cards are posted or not */ + if (radeon_boot_test_post_card(rdev) == false) + return -EINVAL; + + if (!radeon_card_posted(rdev) && rdev->bios) { + DRM_INFO("GPU not posted. posting now...\n"); + atom_asic_init(rdev->mode_info.atom_context); + } + /* Initialize clocks */ + radeon_get_clock_info(rdev->ddev); + /* initialize AGP */ + if (rdev->flags & RADEON_IS_AGP) { + r = radeon_agp_init(rdev); + if (r) { + radeon_agp_disable(rdev); + } + } + /* initialize memory controller */ + r520_mc_init(rdev); + rv515_debugfs(rdev); + /* Fence driver */ + r = radeon_fence_driver_init(rdev); + if (r) + return r; + /* Memory manager */ + r = radeon_bo_init(rdev); + if (r) + return r; + r = rv370_pcie_gart_init(rdev); + if (r) + return r; + rv515_set_safe_registers(rdev); + + /* Initialize power management */ + radeon_pm_init(rdev); + + rdev->accel_working = true; + r = r520_startup(rdev); + if (r) { + /* Somethings want wront with the accel init stop accel */ + dev_err(rdev->dev, "Disabling GPU acceleration\n"); + r100_cp_fini(rdev); + radeon_wb_fini(rdev); + radeon_ib_pool_fini(rdev); + radeon_irq_kms_fini(rdev); + rv370_pcie_gart_fini(rdev); + radeon_agp_fini(rdev); + rdev->accel_working = false; + } + return 0; +} |