diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r420.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r420.c | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c new file mode 100644 index 00000000000..dea497a979f --- /dev/null +++ b/drivers/gpu/drm/radeon/r420.c @@ -0,0 +1,223 @@ +/* + * 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" + +/* r420,r423,rv410 depends on : */ +void r100_pci_gart_disable(struct radeon_device *rdev); +void r100_hdp_reset(struct radeon_device *rdev); +void r100_mc_setup(struct radeon_device *rdev); +int r100_gui_wait_for_idle(struct radeon_device *rdev); +void r100_mc_disable_clients(struct radeon_device *rdev); +void r300_vram_info(struct radeon_device *rdev); +int r300_mc_wait_for_idle(struct radeon_device *rdev); +int rv370_pcie_gart_enable(struct radeon_device *rdev); +void rv370_pcie_gart_disable(struct radeon_device *rdev); + +/* This files gather functions specifics to : + * r420,r423,rv410 + * + * Some of these functions might be used by newer ASICs. + */ +void r420_gpu_init(struct radeon_device *rdev); +int r420_debugfs_pipes_info_init(struct radeon_device *rdev); + + +/* + * MC + */ +int r420_mc_init(struct radeon_device *rdev) +{ + int r; + + if (r100_debugfs_rbbm_init(rdev)) { + DRM_ERROR("Failed to register debugfs file for RBBM !\n"); + } + if (r420_debugfs_pipes_info_init(rdev)) { + DRM_ERROR("Failed to register debugfs file for pipes !\n"); + } + + r420_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 r420_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 r420_errata(struct radeon_device *rdev) +{ + rdev->pll_errata = 0; +} + +void r420_pipes_init(struct radeon_device *rdev) +{ + unsigned tmp; + unsigned gb_pipe_select; + unsigned num_pipes; + + /* GA_ENHANCE workaround TCL deadlock issue */ + WREG32(0x4274, (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3)); + /* get max number of pipes */ + gb_pipe_select = RREG32(0x402C); + num_pipes = ((gb_pipe_select >> 12) & 3) + 1; + rdev->num_gb_pipes = num_pipes; + tmp = 0; + switch (num_pipes) { + default: + /* force to 1 pipe */ + num_pipes = 1; + case 1: + tmp = (0 << 1); + break; + case 2: + tmp = (3 << 1); + break; + case 3: + tmp = (6 << 1); + break; + case 4: + tmp = (7 << 1); + break; + } + WREG32(0x42C8, (1 << num_pipes) - 1); + /* Sub pixel 1/12 so we can have 4K rendering according to doc */ + tmp |= (1 << 4) | (1 << 0); + WREG32(0x4018, tmp); + 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, + RREG32(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"); + } + DRM_INFO("radeon: %d pipes initialized.\n", rdev->num_gb_pipes); +} + +void r420_gpu_init(struct radeon_device *rdev) +{ + r100_hdp_reset(rdev); + 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"); + } +} + + +/* + * r420,r423,rv410 VRAM info + */ +void r420_vram_info(struct radeon_device *rdev) +{ + r300_vram_info(rdev); +} + + +/* + * Debugfs info + */ +#if defined(CONFIG_DEBUG_FS) +static int r420_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(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 struct drm_info_list r420_pipes_info_list[] = { + {"r420_pipes_info", r420_debugfs_pipes_info, 0, NULL}, +}; +#endif + +int r420_debugfs_pipes_info_init(struct radeon_device *rdev) +{ +#if defined(CONFIG_DEBUG_FS) + return radeon_debugfs_add_files(rdev, r420_pipes_info_list, 1); +#else + return 0; +#endif +} |