#include <linux/vmalloc.h>
#include "drmP.h"
-#ifndef __HAVE_PCI_DMA
-#define __HAVE_PCI_DMA 0
-#endif
-
-#ifndef __HAVE_SG
-#define __HAVE_SG 0
-#endif
-
-#ifndef DRIVER_BUF_PRIV_T
-#define DRIVER_BUF_PRIV_T u32
-#endif
-#ifndef DRIVER_AGP_BUFFERS_MAP
-#if __HAVE_AGP && __HAVE_DMA
-#error "You must define DRIVER_AGP_BUFFERS_MAP()"
-#else
-#define DRIVER_AGP_BUFFERS_MAP( dev ) NULL
-#endif
-#endif
-
-
/**
* Compute size order. Returns the exponent of the smaller power of two which
* is greater or equal to given number.
#ifdef __alpha__
map->offset += dev->hose->mem_space->start;
#endif
-#if __REALLY_HAVE_MTRR
- if ( map->type == _DRM_FRAME_BUFFER ||
- (map->flags & _DRM_WRITE_COMBINING) ) {
- map->mtrr = mtrr_add( map->offset, map->size,
- MTRR_TYPE_WRCOMB, 1 );
+ if (drm_core_has_MTRR(dev)) {
+ if ( map->type == _DRM_FRAME_BUFFER ||
+ (map->flags & _DRM_WRITE_COMBINING) ) {
+ map->mtrr = mtrr_add( map->offset, map->size,
+ MTRR_TYPE_WRCOMB, 1 );
+ }
}
-#endif
if (map->type == _DRM_REGISTERS)
map->handle = DRM(ioremap)( map->offset, map->size,
dev );
dev->lock.hw_lock = map->handle; /* Pointer to lock */
}
break;
-#if __REALLY_HAVE_AGP
case _DRM_AGP:
+ if (drm_core_has_AGP(dev)) {
#ifdef __alpha__
- map->offset += dev->hose->mem_space->start;
+ map->offset += dev->hose->mem_space->start;
#endif
- map->offset += dev->agp->base;
- map->mtrr = dev->agp->agp_mtrr; /* for getmap */
+ map->offset += dev->agp->base;
+ map->mtrr = dev->agp->agp_mtrr; /* for getmap */
+ }
break;
-#endif
case _DRM_SCATTER_GATHER:
if (!dev->sg) {
DRM(free)(map, sizeof(*map), DRM_MEM_MAPS);
switch (map->type) {
case _DRM_REGISTERS:
case _DRM_FRAME_BUFFER:
-#if __REALLY_HAVE_MTRR
- if (map->mtrr >= 0) {
- int retcode;
- retcode = mtrr_del(map->mtrr,
- map->offset,
- map->size);
- DRM_DEBUG("mtrr_del = %d\n", retcode);
+ if (drm_core_has_MTRR(dev)) {
+ if (map->mtrr >= 0) {
+ int retcode;
+ retcode = mtrr_del(map->mtrr,
+ map->offset,
+ map->size);
+ DRM_DEBUG("mtrr_del = %d\n", retcode);
+ }
}
-#endif
DRM(ioremapfree)(map->handle, map->size, dev);
break;
case _DRM_SHM:
return 0;
}
-#if __HAVE_DMA
-
/**
* Cleanup after an error on one of the addbufs() functions.
*
sizeof(*entry->buflist),
DRM_MEM_BUFS);
-#if __HAVE_DMA_FREELIST
- DRM(freelist_destroy)(&entry->freelist);
-#endif
-
entry->buf_count = 0;
}
}
-#if __REALLY_HAVE_AGP
+#if __OS_HAS_AGP
/**
* Add AGP buffers for DMA transfers (ioctl).
*
init_waitqueue_head( &buf->dma_wait );
buf->filp = NULL;
- buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T);
- buf->dev_private = DRM(alloc)( sizeof(DRIVER_BUF_PRIV_T),
+ buf->dev_priv_size = dev->dev_priv_size;
+ buf->dev_private = DRM(alloc)( buf->dev_priv_size,
DRM_MEM_BUFS );
if(!buf->dev_private) {
/* Set count correctly so we free the proper amount. */
DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count );
DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count );
-#if __HAVE_DMA_FREELIST
- 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] );
- }
-#endif
up( &dev->struct_sem );
request.count = entry->buf_count;
atomic_dec( &dev->buf_alloc );
return 0;
}
-#endif /* __REALLY_HAVE_AGP */
+#endif /* __OS_HAS_AGP */
-#if __HAVE_PCI_DMA
int DRM(addbufs_pci)( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
drm_buf_t **temp_buflist;
drm_buf_desc_t __user *argp = (void __user *)arg;
+ if (!drm_core_check_feature(dev, DRIVER_PCI_DMA)) return -EINVAL;
if ( !dma ) return -EINVAL;
if ( copy_from_user( &request, argp, sizeof(request) ) )
init_waitqueue_head( &buf->dma_wait );
buf->filp = NULL;
- buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T);
- buf->dev_private = DRM(alloc)( sizeof(DRIVER_BUF_PRIV_T),
+ buf->dev_priv_size = dev->dev_priv_size;
+ buf->dev_private = DRM(alloc)( dev->dev_priv_size,
DRM_MEM_BUFS );
if(!buf->dev_private) {
/* Set count correctly so we free the proper amount. */
dma->page_count += entry->seg_count << page_order;
dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order);
-#if __HAVE_DMA_FREELIST
- 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] );
- }
-#endif
up( &dev->struct_sem );
request.count = entry->buf_count;
return 0;
}
-#endif /* __HAVE_PCI_DMA */
-#if __HAVE_SG
int DRM(addbufs_sg)( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
int i;
drm_buf_t **temp_buflist;
+ if (!drm_core_check_feature(dev, DRIVER_SG)) return -EINVAL;
+
if ( !dma ) return -EINVAL;
if ( copy_from_user( &request, argp, sizeof(request) ) )
init_waitqueue_head( &buf->dma_wait );
buf->filp = NULL;
- buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T);
- buf->dev_private = DRM(alloc)( sizeof(DRIVER_BUF_PRIV_T),
+ buf->dev_priv_size = dev->dev_priv_size;
+ buf->dev_private = DRM(alloc)( dev->dev_priv_size,
DRM_MEM_BUFS );
if(!buf->dev_private) {
/* Set count correctly so we free the proper amount. */
DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count );
DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count );
-#if __HAVE_DMA_FREELIST
- 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] );
- }
-#endif
up( &dev->struct_sem );
request.count = entry->buf_count;
atomic_dec( &dev->buf_alloc );
return 0;
}
-#endif /* __HAVE_SG */
/**
* Add buffers for DMA transfers (ioctl).
unsigned int cmd, unsigned long arg )
{
drm_buf_desc_t request;
+ drm_file_t *priv = filp->private_data;
+ drm_device_t *dev = priv->dev;
+
+ if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
+ return -EINVAL;
if ( copy_from_user( &request, (drm_buf_desc_t __user *)arg,
sizeof(request) ) )
return -EFAULT;
-#if __REALLY_HAVE_AGP
+#if __OS_HAS_AGP
if ( request.flags & _DRM_AGP_BUFFER )
return DRM(addbufs_agp)( inode, filp, cmd, arg );
else
#endif
-#if __HAVE_SG
if ( request.flags & _DRM_SG_BUFFER )
return DRM(addbufs_sg)( inode, filp, cmd, arg );
else
-#endif
-#if __HAVE_PCI_DMA
return DRM(addbufs_pci)( inode, filp, cmd, arg );
-#else
- return -EINVAL;
-#endif
}
int i;
int count;
+ if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
+ return -EINVAL;
+
if ( !dma ) return -EINVAL;
spin_lock( &dev->count_lock );
int order;
drm_buf_entry_t *entry;
+ if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
+ return -EINVAL;
+
if ( !dma ) return -EINVAL;
if ( copy_from_user( &request,
int idx;
drm_buf_t *buf;
+ if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
+ return -EINVAL;
+
if ( !dma ) return -EINVAL;
if ( copy_from_user( &request,
drm_buf_map_t request;
int i;
+ if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA))
+ return -EINVAL;
+
if ( !dma ) return -EINVAL;
spin_lock( &dev->count_lock );
return -EFAULT;
if ( request.count >= dma->buf_count ) {
- if ( (__HAVE_AGP && (dma->flags & _DRM_DMA_USE_AGP)) ||
- (__HAVE_SG && (dma->flags & _DRM_DMA_USE_SG)) ) {
- drm_map_t *map = DRIVER_AGP_BUFFERS_MAP( dev );
+ if ((drm_core_has_AGP(dev) && (dma->flags & _DRM_DMA_USE_AGP)) ||
+ (drm_core_check_feature(dev, DRIVER_SG) && (dma->flags & _DRM_DMA_USE_SG)) ) {
+ drm_map_t *map = dev->agp_buffer_map;
if ( !map ) {
retcode = -EINVAL;
return retcode;
}
-#endif /* __HAVE_DMA */
git://git.onelab.eu / linux-2.6.git / blobdiff