diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c new file mode 100644 index 000000000000..da50cc51ede3 --- /dev/null +++ b/drivers/gpu/drm/radeon/rv770.c @@ -0,0 +1,124 @@ +/* + * 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 "drmP.h" +#include "radeon_reg.h" +#include "radeon.h" + +/* rv770,rv730,rv710 depends on : */ +void rs600_mc_disable_clients(struct radeon_device *rdev); + +/* This files gather functions specifics to: + * rv770,rv730,rv710 + * + * Some of these functions might be used by newer ASICs. + */ +int rv770_mc_wait_for_idle(struct radeon_device *rdev); +void rv770_gpu_init(struct radeon_device *rdev); + + +/* + * MC + */ +int rv770_mc_init(struct radeon_device *rdev) +{ + uint32_t tmp; + + rv770_gpu_init(rdev); + + /* setup the gart before changing location so we can ask to + * discard unmapped mc request + */ + /* FIXME: disable out of gart access */ + tmp = rdev->mc.gtt_location / 4096; + tmp = REG_SET(R700_LOGICAL_PAGE_NUMBER, tmp); + WREG32(R700_MC_VM_SYSTEM_APERTURE_LOW_ADDR, tmp); + tmp = (rdev->mc.gtt_location + rdev->mc.gtt_size) / 4096; + tmp = REG_SET(R700_LOGICAL_PAGE_NUMBER, tmp); + WREG32(R700_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, tmp); + + rs600_mc_disable_clients(rdev); + if (rv770_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(R700_MC_FB_TOP, tmp >> 24); + tmp |= REG_SET(R700_MC_FB_BASE, rdev->mc.vram_location >> 24); + WREG32(R700_MC_VM_FB_LOCATION, tmp); + tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1; + tmp = REG_SET(R700_MC_AGP_TOP, tmp >> 22); + WREG32(R700_MC_VM_AGP_TOP, tmp); + tmp = REG_SET(R700_MC_AGP_BOT, rdev->mc.gtt_location >> 22); + WREG32(R700_MC_VM_AGP_BOT, tmp); + return 0; +} + +void rv770_mc_fini(struct radeon_device *rdev) +{ + /* FIXME: implement */ +} + + +/* + * Global GPU functions + */ +void rv770_errata(struct radeon_device *rdev) +{ + rdev->pll_errata = 0; +} + +int rv770_mc_wait_for_idle(struct radeon_device *rdev) +{ + /* FIXME: implement */ + return 0; +} + +void rv770_gpu_init(struct radeon_device *rdev) +{ + /* FIXME: implement */ +} + + +/* + * VRAM info + */ +void rv770_vram_get_type(struct radeon_device *rdev) +{ + /* FIXME: implement */ +} + +void rv770_vram_info(struct radeon_device *rdev) +{ + rv770_vram_get_type(rdev); + + /* FIXME: implement */ + /* 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); +} |