diff options
Diffstat (limited to 'linux-core/radeon_buffer.c')
| -rw-r--r-- | linux-core/radeon_buffer.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/linux-core/radeon_buffer.c b/linux-core/radeon_buffer.c new file mode 100644 index 00000000..dd387604 --- /dev/null +++ b/linux-core/radeon_buffer.c @@ -0,0 +1,129 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA + * All Rights Reserved. + * + * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * + **************************************************************************/ +/* + * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com> + */ + +#include "drmP.h" +#include "radeon_drm.h" +#include "radeon_drv.h" + + +drm_ttm_backend_t *radeon_create_ttm_backend_entry(drm_device_t * dev) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + + if(dev_priv->flags & RADEON_IS_AGP) + return drm_agp_init_ttm(dev, NULL); + else + return ati_pcigart_init_ttm(dev, NULL); +} + +int radeon_fence_types(drm_buffer_object_t *bo, uint32_t * class, uint32_t * type) +{ + *class = 0; + if (bo->mem.flags & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE)) + *type = 3; + else + *type = 1; + return 0; +} + +int radeon_invalidate_caches(drm_device_t * dev, uint32_t flags) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + RING_LOCALS; + + BEGIN_RING(4); + RADEON_FLUSH_CACHE(); + RADEON_FLUSH_ZCACHE(); + ADVANCE_RING(); + return 0; +} + +uint32_t radeon_evict_mask(drm_buffer_object_t *bo) +{ + switch (bo->mem.mem_type) { + case DRM_BO_MEM_LOCAL: + case DRM_BO_MEM_TT: + return DRM_BO_FLAG_MEM_LOCAL; + default: + return DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_CACHED; + } +} + +int radeon_init_mem_type(drm_device_t * dev, uint32_t type, + drm_mem_type_manager_t * man) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + + switch (type) { + case DRM_BO_MEM_LOCAL: + man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE | + _DRM_FLAG_MEMTYPE_CACHED; + man->drm_bus_maptype = 0; + break; + case DRM_BO_MEM_TT: + if (dev_priv->flags & RADEON_IS_AGP) { + if (!(drm_core_has_AGP(dev) && dev->agp)) { + DRM_ERROR("AGP is not enabled for memory type %u\n", + (unsigned)type); + return -EINVAL; + } + man->io_offset = dev->agp->agp_info.aper_base; + man->io_size = dev->agp->agp_info.aper_size * 1024 * 1024; + man->io_addr = NULL; + man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE | + _DRM_FLAG_MEMTYPE_CSELECT | _DRM_FLAG_NEEDS_IOREMAP; + man->drm_bus_maptype = _DRM_AGP; + } else { + man->io_offset = 0; + man->io_size = dev_priv->gart_size; + man->io_addr = NULL; + man->flags = _DRM_FLAG_MEMTYPE_CSELECT | _DRM_FLAG_MEMTYPE_MAPPABLE; + man->drm_bus_maptype = _DRM_SCATTER_GATHER; + } + break; + default: + DRM_ERROR("Unsupported memory type %u\n", (unsigned)type); + return -EINVAL; + } + return 0; +} + +int radeon_move(drm_buffer_object_t * bo, + int evict, int no_wait, drm_bo_mem_reg_t * new_mem) +{ + drm_bo_mem_reg_t *old_mem = &bo->mem; + + if (old_mem->mem_type == DRM_BO_MEM_LOCAL) { + return drm_bo_move_memcpy(bo, evict, no_wait, new_mem); + } + return 0; +} + |