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-rw-r--r--drivers/char/drm/drm_memory.c181
1 files changed, 0 insertions, 181 deletions
diff --git a/drivers/char/drm/drm_memory.c b/drivers/char/drm/drm_memory.c
deleted file mode 100644
index 845081b44f63..000000000000
--- a/drivers/char/drm/drm_memory.c
+++ /dev/null
@@ -1,181 +0,0 @@
-/**
- * \file drm_memory.c
- * Memory management wrappers for DRM
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * Created: Thu Feb 4 14:00:34 1999 by faith@valinux.com
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * 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
- * 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.
- */
-
-#include <linux/highmem.h>
-#include "drmP.h"
-
-#ifdef DEBUG_MEMORY
-#include "drm_memory_debug.h"
-#else
-
-/** No-op. */
-void drm_mem_init(void)
-{
-}
-
-/**
- * Called when "/proc/dri/%dev%/mem" is read.
- *
- * \param buf output buffer.
- * \param start start of output data.
- * \param offset requested start offset.
- * \param len requested number of bytes.
- * \param eof whether there is no more data to return.
- * \param data private data.
- * \return number of written bytes.
- *
- * No-op.
- */
-int drm_mem_info(char *buf, char **start, off_t offset,
- int len, int *eof, void *data)
-{
- return 0;
-}
-
-/** Wrapper around kmalloc() and kfree() */
-void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area)
-{
- void *pt;
-
- if (!(pt = kmalloc(size, GFP_KERNEL)))
- return NULL;
- if (oldpt && oldsize) {
- memcpy(pt, oldpt, oldsize);
- kfree(oldpt);
- }
- return pt;
-}
-
-#if __OS_HAS_AGP
-static void *agp_remap(unsigned long offset, unsigned long size,
- struct drm_device * dev)
-{
- unsigned long *phys_addr_map, i, num_pages =
- PAGE_ALIGN(size) / PAGE_SIZE;
- struct drm_agp_mem *agpmem;
- struct page **page_map;
- void *addr;
-
- size = PAGE_ALIGN(size);
-
-#ifdef __alpha__
- offset -= dev->hose->mem_space->start;
-#endif
-
- list_for_each_entry(agpmem, &dev->agp->memory, head)
- if (agpmem->bound <= offset
- && (agpmem->bound + (agpmem->pages << PAGE_SHIFT)) >=
- (offset + size))
- break;
- if (!agpmem)
- return NULL;
-
- /*
- * OK, we're mapping AGP space on a chipset/platform on which memory accesses by
- * the CPU do not get remapped by the GART. We fix this by using the kernel's
- * page-table instead (that's probably faster anyhow...).
- */
- /* note: use vmalloc() because num_pages could be large... */
- page_map = vmalloc(num_pages * sizeof(struct page *));
- if (!page_map)
- return NULL;
-
- phys_addr_map =
- agpmem->memory->memory + (offset - agpmem->bound) / PAGE_SIZE;
- for (i = 0; i < num_pages; ++i)
- page_map[i] = pfn_to_page(phys_addr_map[i] >> PAGE_SHIFT);
- addr = vmap(page_map, num_pages, VM_IOREMAP, PAGE_AGP);
- vfree(page_map);
-
- return addr;
-}
-
-/** Wrapper around agp_allocate_memory() */
-DRM_AGP_MEM *drm_alloc_agp(struct drm_device * dev, int pages, u32 type)
-{
- return drm_agp_allocate_memory(dev->agp->bridge, pages, type);
-}
-
-/** Wrapper around agp_free_memory() */
-int drm_free_agp(DRM_AGP_MEM * handle, int pages)
-{
- return drm_agp_free_memory(handle) ? 0 : -EINVAL;
-}
-
-/** Wrapper around agp_bind_memory() */
-int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start)
-{
- return drm_agp_bind_memory(handle, start);
-}
-
-/** Wrapper around agp_unbind_memory() */
-int drm_unbind_agp(DRM_AGP_MEM * handle)
-{
- return drm_agp_unbind_memory(handle);
-}
-
-#else /* __OS_HAS_AGP */
-static inline void *agp_remap(unsigned long offset, unsigned long size,
- struct drm_device * dev)
-{
- return NULL;
-}
-
-#endif /* agp */
-
-#endif /* debug_memory */
-
-void drm_core_ioremap(struct drm_map *map, struct drm_device *dev)
-{
- if (drm_core_has_AGP(dev) &&
- dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
- map->handle = agp_remap(map->offset, map->size, dev);
- else
- map->handle = ioremap(map->offset, map->size);
-}
-EXPORT_SYMBOL(drm_core_ioremap);
-
-void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev)
-{
- if (!map->handle || !map->size)
- return;
-
- if (drm_core_has_AGP(dev) &&
- dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
- vunmap(map->handle);
- else
- iounmap(map->handle);
-}
-EXPORT_SYMBOL(drm_core_ioremapfree);