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authorJens Owen <jens@tungstengraphics.com>2002-03-29 16:31:52 +0000
committerJens Owen <jens@tungstengraphics.com>2002-03-29 16:31:52 +0000
commita820c741374743065540546c92b1d5e1a2089225 (patch)
tree6336f7936e4c1d4036a61a28664c070531b82439 /bsd/Imakefile
parent31c885bafb47e24b8523dcc2850ce4acc8ef1004 (diff)
file xf86drmCompat.c was initially added on branch drmcommand-0-0-1-branch.
Diffstat (limited to 'bsd/Imakefile')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-08 16:59:04 +0000
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/*
 * Copyright 2007 Dave Airlied
 * 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, 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 (including the next
 * paragraph) 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
 * VA LINUX SYSTEMS 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.
 */
/*
 * Authors: Dave Airlied <airlied@linux.ie>
 *	    Ben Skeggs   <darktama@iinet.net.au>
 *	    Jeremy Kolb  <jkolb@brandeis.edu>
 */

#include "drmP.h"
#include "nouveau_drm.h"
#include "nouveau_drv.h"
#include "nouveau_dma.h"

static struct drm_ttm_backend *
nouveau_bo_create_ttm_backend_entry(struct drm_device * dev)
{
	struct drm_nouveau_private *dev_priv = dev->dev_private;

	switch (dev_priv->gart_info.type) {
	case NOUVEAU_GART_AGP:
		return drm_agp_init_ttm(dev);
	case NOUVEAU_GART_SGDMA:
		return nouveau_sgdma_init_ttm(dev);
	default:
		DRM_ERROR("Unknown GART type %d\n", dev_priv->gart_info.type);
		break;
	}

	return NULL;
}

static int
nouveau_bo_fence_type(struct drm_buffer_object *bo,
		      uint32_t *fclass, uint32_t *type)
{
	/* When we get called, *fclass is set to the requested fence class */

	if (bo->mem.mask & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE))
		*type = 3;
	else
		*type = 1;
	return 0;

}

static int
nouveau_bo_invalidate_caches(struct drm_device *dev, uint64_t buffer_flags)
{
	/* We'll do this from user space. */
	return 0;
}

static int
nouveau_bo_init_mem_type(struct drm_device *dev, uint32_t type,
			 struct drm_mem_type_manager *man)
{
	struct drm_nouveau_private *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_VRAM:
		man->flags = _DRM_FLAG_MEMTYPE_FIXED |
			     _DRM_FLAG_MEMTYPE_MAPPABLE |
			     _DRM_FLAG_NEEDS_IOREMAP;
		man->io_addr = NULL;
		man->drm_bus_maptype = _DRM_FRAME_BUFFER;
		man->io_offset = drm_get_resource_start(dev, 1);
		man->io_size = drm_get_resource_len(dev, 1);
		if (man->io_size > nouveau_mem_fb_amount(dev))
			man->io_size = nouveau_mem_fb_amount(dev);
		break;
	case DRM_BO_MEM_PRIV0:
		/* Unmappable VRAM */
		man->flags = _DRM_FLAG_MEMTYPE_CMA;
		man->drm_bus_maptype = 0;
		break;
	case DRM_BO_MEM_TT:
		switch (dev_priv->gart_info.type) {
		case NOUVEAU_GART_AGP:
			man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
				     _DRM_FLAG_MEMTYPE_CSELECT |
				     _DRM_FLAG_NEEDS_IOREMAP;
			man->drm_bus_maptype = _DRM_AGP;
			break;
		case NOUVEAU_GART_SGDMA:
			man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
				     _DRM_FLAG_MEMTYPE_CSELECT |
				     _DRM_FLAG_MEMTYPE_CMA;
			man->drm_bus_maptype = _DRM_SCATTER_GATHER;
			break;
		default:
			DRM_ERROR("Unknown GART type: %d\n",
				  dev_priv->gart_info.type);
			return -EINVAL;
		}

		man->io_offset  = dev_priv->gart_info.aper_base;
		man->io_size    = dev_priv->gart_info.aper_size;
		man->io_addr   = NULL;
		break;
	default:
		DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
		return -EINVAL;
	}