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authoralanh <alanh>2001-08-11 13:06:36 +0000
committeralanh <alanh>2001-08-11 13:06:36 +0000
commit2491ce302f058a34ea4c4e9dbc9b08027a6c8d80 (patch)
tree56855bd0622ee81bc3266e8344a9ae1876a4bd10
parent6097c9831327bd4a78288807e7c1eac03f2f75fc (diff)
remove file
-rw-r--r--xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/radeon_bufs.c360
1 files changed, 0 insertions, 360 deletions
diff --git a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/radeon_bufs.c b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/radeon_bufs.c
deleted file mode 100644
index 5f11c11de..000000000
--- a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/radeon_bufs.c
+++ /dev/null
@@ -1,360 +0,0 @@
-/* radeon_bufs.c -- IOCTLs to manage buffers -*- linux-c -*-
- *
- * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Fremont, 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: Kevin E. Martin <martin@valinux.com>
- * Rickard E. (Rik) Faith <faith@valinux.com>
- * Jeff Hartmann <jhartmann@valinux.com>
- *
- */
-
-#define __NO_VERSION__
-#ifdef __linux__
-#include <linux/config.h>
-#endif
-#include "radeon.h"
-#include "drmP.h"
-#include "radeon_drv.h"
-#ifdef __linux__
-#include "linux/un.h"
-#endif
-#ifdef __FreeBSD__
-#include <machine/param.h>
-#include <sys/mman.h>
-#include <vm/vm.h>
-#include <vm/pmap.h>
-#include <vm/vm_extern.h>
-#include <vm/vm_map.h>
-#endif
-
-
-#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
-int radeon_addbufs_agp(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
-{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->dev;
- drm_device_dma_t *dma = dev->dma;
- drm_buf_desc_t request;
- drm_buf_entry_t *entry;
- drm_buf_t *buf;
- unsigned long offset;
- unsigned long agp_offset;
- int count;
- int order;
- int size;
- int alignment;
- int page_order;
- int total;
- int byte_count;
- int i;
-
- if (!dma) return DRM_OS_RETURN(EINVAL);
-
- DRM_OS_KRNFROMUSR( request, (drm_buf_desc_t *)data, sizeof(request) );
-
- count = request.count;
- order = drm_order(request.size);
- size = 1 << order;
-
- alignment = (request.flags & _DRM_PAGE_ALIGN) ? PAGE_ALIGN(size):size;
- page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0;
- total = PAGE_SIZE << page_order;
-
- byte_count = 0;
- agp_offset = dev->agp->base + request.agp_start;
-
- DRM_DEBUG("count: %d\n", count);
- DRM_DEBUG("order: %d\n", order);
- DRM_DEBUG("size: %d\n", size);
- DRM_DEBUG("agp_offset: %ld\n", agp_offset);
- DRM_DEBUG("alignment: %d\n", alignment);
- DRM_DEBUG("page_order: %d\n", page_order);
- DRM_DEBUG("total: %d\n", total);
-
- if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER)
- DRM_OS_RETURN(EINVAL);
- if (dev->queue_count)
- DRM_OS_RETURN(EBUSY); /* Not while in use */
-
- DRM_OS_SPINLOCK(&dev->count_lock);
- if (dev->buf_use) {
- DRM_OS_SPINUNLOCK(&dev->count_lock);
- DRM_OS_RETURN(EBUSY);
- }
- atomic_inc(&dev->buf_alloc);
- DRM_OS_SPINUNLOCK(&dev->count_lock);
-
- DRM_OS_LOCK;
- entry = &dma->bufs[order];
- if (entry->buf_count) {
- DRM_OS_UNLOCK;
- atomic_dec(&dev->buf_alloc);
- DRM_OS_RETURN(ENOMEM); /* May only call once for each order */
- }
-
- entry->buflist = drm_alloc(count * sizeof(*entry->buflist),
- DRM_MEM_BUFS);
- if (!entry->buflist) {
- up(&dev->struct_sem);
- atomic_dec(&dev->buf_alloc);
- DRM_OS_RETURN(ENOMEM);
- }
- memset(entry->buflist, 0, count * sizeof(*entry->buflist));
-
- entry->buf_size = size;
- entry->page_order = page_order;
- offset = 0;
-
- for (offset = 0;
- entry->buf_count < count;
- offset += alignment, ++entry->buf_count) {
- buf = &entry->buflist[entry->buf_count];
- buf->idx = dma->buf_count + entry->buf_count;
- buf->total = alignment;
- buf->order = order;
- buf->used = 0;
- buf->offset = (dma->byte_count + offset);
- buf->address = (void *)(agp_offset + offset);
- buf->next = NULL;
- buf->waiting = 0;
- buf->pending = 0;
- init_waitqueue_head(&buf->dma_wait);
- buf->pid = 0;
-
- buf->dev_priv_size = sizeof(drm_radeon_buf_priv_t);
- buf->dev_private = drm_alloc(sizeof(drm_radeon_buf_priv_t),
- DRM_MEM_BUFS);
- memset(buf->dev_private, 0, buf->dev_priv_size);
-
-#if DRM_DMA_HISTOGRAM
- buf->time_queued = 0;
- buf->time_dispatched = 0;
- buf->time_completed = 0;
- buf->time_freed = 0;
-#endif
-
- byte_count += PAGE_SIZE << page_order;
-
- DRM_DEBUG("buffer %d @ %p\n",
- entry->buf_count, buf->address);
- }
-
- DRM_DEBUG("byte_count: %d\n", byte_count);
-
- dma->buflist = drm_realloc(dma->buflist,
- dma->buf_count * sizeof(*dma->buflist),
- (dma->buf_count + entry->buf_count)
- * sizeof(*dma->buflist),
- DRM_MEM_BUFS);
- for (i = dma->buf_count; i < dma->buf_count + entry->buf_count; i++)
- dma->buflist[i] = &entry->buflist[i - dma->buf_count];
-
- dma->buf_count += entry->buf_count;
- dma->byte_count += byte_count;
-
- drm_freelist_create(&entry->freelist, entry->buf_count);
- for (i = 0; i < entry->buf_count; i++) {
- drm_freelist_put(dev, &entry->freelist, &entry->buflist[i]);
- }
-
- up(&dev->struct_sem);
-
- request.count = entry->buf_count;
- request.size = size;
-
- DRM_OS_KRNTOUSR( (drm_buf_desc_t *)data, request, sizeof(request) );
-
- dma->flags = _DRM_DMA_USE_AGP;
-
- atomic_dec(&dev->buf_alloc);
- return 0;
-}
-#endif
-
-int radeon_addbufs( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_buf_desc_t request;
- DRM_OS_PRIV;
-
- if (!dev_priv || dev_priv->is_pci) DRM_OS_RETURN(EINVAL);
-
- DRM_OS_KRNFROMUSR( request, (drm_buf_desc_t *)data, sizeof(request) );
-
-#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
- if (request.flags & _DRM_AGP_BUFFER)
- return radeon_addbufs_agp(inode, filp, cmd, arg);
- else
-#endif
- DRM_OS_RETURN(EINVAL);
-}
-
-int radeon_mapbufs( DRM_OS_IOCTL )
-{
- DRM_OS_DEVICE;
- drm_radeon_private_t *dev_priv = dev->dev_private;
- drm_device_dma_t *dma = dev->dma;
- int retcode = 0;
- const int zero = 0;
-#ifdef __linux__
- unsigned long virtual;
- unsigned long address;
-#endif
-#ifdef __FreeBSD__
- vm_offset_t virtual;
- vm_offset_t address;
-#endif
- drm_buf_map_t request;
- int i;
- DRM_OS_PRIV;
-
- if (!dma || !dev_priv || dev_priv->is_pci) DRM_OS_RETURN(EINVAL);
-
- DRM_DEBUG("\n");
-
- DRM_OS_SPINLOCK(&dev->count_lock);
- if (atomic_read(&dev->buf_alloc)) {
- DRM_OS_SPINUNLOCK(&dev->count_lock);
- DRM_OS_RETURN(EBUSY);
- }
- ++dev->buf_use; /* Can't allocate more after this call */
- DRM_OS_SPINUNLOCK(&dev->count_lock);
-
- DRM_OS_KRNFROMUSR( request, (drm_buf_map_t *)data, sizeof(request) );
-
- if (request.count >= dma->buf_count) {
- if (dma->flags & _DRM_DMA_USE_AGP) {
- drm_map_t *map;
-
- map = dev_priv->buffers;
- if (!map) {
- retcode = EINVAL;
- goto done;
- }
-
-#ifdef __linux__
-#if LINUX_VERSION_CODE <= 0x020402
- down( &current->mm->mmap_sem );
-#else
- down_write( &current->mm->mmap_sem );
-#endif
-
- virtual = do_mmap( filp, 0, map->size,
- PROT_READ | PROT_WRITE,
- MAP_SHARED,
- (unsigned long)map->offset );
-#if LINUX_VERSION_CODE <= 0x020402
- up( &current->mm->mmap_sem );
-#else
- up_write( &current->mm->mmap_sem );
-#endif
-#endif
-
-#ifdef __FreeBSD__
- retcode = vm_mmap(&p->p_vmspace->vm_map,
- &virtual,
- round_page(dma->byte_count),
- PROT_READ|PROT_WRITE, VM_PROT_ALL,
- MAP_SHARED,
- SLIST_FIRST(&kdev->si_hlist),
- (unsigned long)map->offset );
-#endif
- } else {
-#ifdef __linux__
-#if LINUX_VERSION_CODE <= 0x020402
- down( &current->mm->mmap_sem );
-#else
- down_write( &current->mm->mmap_sem );
-#endif
-
- virtual = do_mmap( filp, 0, dma->byte_count,
- PROT_READ | PROT_WRITE,
- MAP_SHARED, 0 );
-#if LINUX_VERSION_CODE <= 0x020402
- up( &current->mm->mmap_sem );
-#else
- up_write( &current->mm->mmap_sem );
-#endif
-#endif
-#ifdef __FreeBSD__
- retcode = vm_mmap(&p->p_vmspace->vm_map,
- &virtual,
- round_page(dma->byte_count),
- PROT_READ|PROT_WRITE, VM_PROT_ALL,
- MAP_SHARED,
- SLIST_FIRST(&kdev->si_hlist),
- 0);
-#endif
- }
-#ifdef __linux__
- if ( virtual > -1024UL ) {
- /* Real error */
- retcode = (signed long)virtual;
- goto done;
- }
-#endif
-#ifdef __FreeBSD__
- if (retcode)
- goto done;
-#endif
- request.virtual = (void *)virtual;
-
- for (i = 0; i < dma->buf_count; i++) {
- if (DRM_OS_COPYTOUSR(&request.list[i].idx,
- &dma->buflist[i]->idx,
- sizeof(request.list[0].idx))) {
- retcode = EFAULT;
- goto done;
- }
- if (DRM_OS_COPYTOUSR(&request.list[i].total,
- &dma->buflist[i]->total,
- sizeof(request.list[0].total))) {
- retcode = EFAULT;
- goto done;
- }
- if (DRM_OS_COPYTOUSR(&request.list[i].used,
- &zero,
- sizeof(zero))) {
- retcode = EFAULT;
- goto done;
- }
- address = virtual + dma->buflist[i]->offset;
- if (DRM_OS_COPYTOUSR(&request.list[i].address,
- &address,
- sizeof(address))) {
- retcode = EFAULT;
- goto done;
- }
- }
- }
- done:
- request.count = dma->buf_count;
- DRM_DEBUG("%d buffers, retcode = %d\n", request.count, retcode);
-
- DRM_OS_KRNTOUSR( (drm_buf_map_t *)data, request, sizeof(request) );
-
- DRM_OS_RETURN(retcode);
-}