1 files changed, 0 insertions, 190 deletions
diff --git a/bsd-core/drm_scatter.c b/bsd-core/drm_scatter.c
deleted file mode 100644
index 09bc5aae..00000000
--- a/bsd-core/drm_scatter.c
+++ /dev/null
@@ -1,190 +0,0 @@
-/*-
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * 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
- * PRECISION INSIGHT 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:
- *   Gareth Hughes <gareth@valinux.com>
- *   Eric Anholt <anholt@FreeBSD.org>
- *
- */
-
-/** @file drm_scatter.c
- * Allocation of memory for scatter-gather mappings by the graphics chip.
- *
- * The memory allocated here is then made into an aperture in the card
- * by drm_ati_pcigart_init().
- */
-
-#include "drmP.h"
-
-static void drm_sg_alloc_cb(void *arg, bus_dma_segment_t *segs,
-			    int nsegs, int error);
-
-int
-drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather *request)
-{
-	struct drm_sg_mem *entry;
-	struct drm_dma_handle *dmah;
-	unsigned long pages;
-	int ret;
-
-	if (dev->sg)
-		return EINVAL;
-
-	entry = malloc(sizeof(*entry), DRM_MEM_SGLISTS, M_WAITOK | M_ZERO);
-	if (!entry)
-		return ENOMEM;
-
-	pages = round_page(request->size) / PAGE_SIZE;
-	DRM_DEBUG("sg size=%ld pages=%ld\n", request->size, pages);
-
-	entry->pages = pages;
-
-	entry->busaddr = malloc(pages * sizeof(*entry->busaddr), DRM_MEM_PAGES,
-	    M_WAITOK | M_ZERO);
-	if (!entry->busaddr) {
-		free(entry, DRM_MEM_SGLISTS);
-		return ENOMEM;
-	}
-
-	dmah = malloc(sizeof(struct drm_dma_handle), DRM_MEM_DMA,
-	    M_ZERO | M_NOWAIT);
-	if (dmah == NULL) {
-		free(entry->busaddr, DRM_MEM_PAGES);
-		free(entry, DRM_MEM_SGLISTS);
-		return ENOMEM;
-	}
-
-	ret = bus_dma_tag_create(NULL, PAGE_SIZE, 0, /* tag, align, boundary */
-	    BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, /* lowaddr, highaddr */
-	    NULL, NULL, /* filtfunc, filtfuncargs */
-	    request->size, pages, /* maxsize, nsegs */
-	    PAGE_SIZE, 0, /* maxsegsize, flags */
-	    NULL, NULL, /* lockfunc, lockfuncargs */
-	    &dmah->tag);
-	if (ret != 0) {
-		free(dmah, DRM_MEM_DMA);
-		free(entry->busaddr, DRM_MEM_PAGES);
-		free(entry, DRM_MEM_SGLISTS);
-		return ENOMEM;
-	}
-
-	ret = bus_dmamem_alloc(dmah->tag, &dmah->vaddr,
-	    BUS_DMA_WAITOK | BUS_DMA_ZERO, &dmah->map);
-	if (ret != 0) {
-		bus_dma_tag_destroy(dmah->tag);
-		free(dmah, DRM_MEM_DMA);
-		free(entry->busaddr, DRM_MEM_PAGES);
-		free(entry, DRM_MEM_SGLISTS);
-		return ENOMEM;
-	}
-
-	ret = bus_dmamap_load(dmah->tag, dmah->map, dmah->vaddr,
-	    request->size, drm_sg_alloc_cb, entry,
-	    BUS_DMA_NOWAIT | BUS_DMA_NOCACHE);
-	if (ret != 0) {
-		bus_dmamem_free(dmah->tag, dmah->vaddr, dmah->map);
-		bus_dma_tag_destroy(dmah->tag);
-		free(dmah, DRM_MEM_DMA);
-		free(entry->busaddr, DRM_MEM_PAGES);
-		free(entry, DRM_MEM_SGLISTS);
-		return ENOMEM;
-	}
-
-	entry->sg_dmah = dmah;
-	entry->handle = (unsigned long)dmah->vaddr;
-	
-	DRM_DEBUG("sg alloc handle  = %08lx\n", entry->handle);
-
-	entry->virtual = (void *)entry->handle;
-	request->handle = entry->handle;
-
-	DRM_LOCK();
-	if (dev->sg) {
-		DRM_UNLOCK();
-		drm_sg_cleanup(entry);
-		return EINVAL;
-	}
-	dev->sg = entry;
-	DRM_UNLOCK();
-
-	return 0;
-}
-
-static void
-drm_sg_alloc_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
-{
-	struct drm_sg_mem *entry = arg;
-	int i;
-
-	if (error != 0)
-	    return;
-
-	for(i = 0 ; i < nsegs ; i++) {
-		entry->busaddr[i] = segs[i].ds_addr;
-	}
-}
-
-int
-drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
-		   struct drm_file *file_priv)
-{
-	struct drm_scatter_gather *request = data;
-
-	DRM_DEBUG("\n");
-
-	return drm_sg_alloc(dev, request);
-}
-
-void
-drm_sg_cleanup(struct drm_sg_mem *entry)
-{
-	struct drm_dma_handle *dmah = entry->sg_dmah;
-
-	bus_dmamap_unload(dmah->tag, dmah->map);
-	bus_dmamem_free(dmah->tag, dmah->vaddr, dmah->map);
-	bus_dma_tag_destroy(dmah->tag);
-	free(dmah, DRM_MEM_DMA);
-	free(entry->busaddr, DRM_MEM_PAGES);
-	free(entry, DRM_MEM_SGLISTS);
-}
-
-int
-drm_sg_free(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	struct drm_scatter_gather *request = data;
-	struct drm_sg_mem *entry;
-
-	DRM_LOCK();
-	entry = dev->sg;
-	dev->sg = NULL;
-	DRM_UNLOCK();
-
-	if (!entry || entry->handle != request->handle)
-		return EINVAL;
-
-	DRM_DEBUG("sg free virtual = 0x%lx\n", entry->handle);
-
-	drm_sg_cleanup(entry);
-
-	return 0;
-}