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Diffstat (limited to 'linux')
-rw-r--r--linux/i810_dma.c91
1 files changed, 48 insertions, 43 deletions
diff --git a/linux/i810_dma.c b/linux/i810_dma.c
index 6af9181a..1136e6ae 100644
--- a/linux/i810_dma.c
+++ b/linux/i810_dma.c
@@ -62,7 +62,7 @@ static inline void i810_print_status_page(drm_device_t *dev)
{
drm_device_dma_t *dma = dev->dma;
drm_i810_private_t *dev_priv = dev->dev_private;
- u32 *temp = (u32 *)dev_priv->hw_status_page;
+ u32 *temp = dev_priv->hw_status_page;
int i;
DRM_DEBUG( "hw_status: Interrupt Status : %x\n", temp[0]);
@@ -90,7 +90,7 @@ static drm_buf_t *i810_freelist_get(drm_device_t *dev)
/* In use is already a pointer */
used = cmpxchg(buf_priv->in_use, I810_BUF_FREE,
I810_BUF_CLIENT);
- if(used == I810_BUF_FREE) {
+ if (used == I810_BUF_FREE) {
return buf;
}
}
@@ -108,7 +108,7 @@ static int i810_freelist_put(drm_device_t *dev, drm_buf_t *buf)
/* In use is already a pointer */
used = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, I810_BUF_FREE);
- if(used != I810_BUF_CLIENT) {
+ if (used != I810_BUF_CLIENT) {
DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx);
return -EINVAL;
}
@@ -161,7 +161,8 @@ static int i810_map_buffer(drm_buf_t *buf, struct file *filp)
struct file_operations *old_fops;
int retcode = 0;
- if(buf_priv->currently_mapped == I810_BUF_MAPPED) return -EINVAL;
+ if (buf_priv->currently_mapped == I810_BUF_MAPPED)
+ return -EINVAL;
down_write( &current->mm->mmap_sem );
old_fops = filp->f_op;
@@ -189,7 +190,7 @@ static int i810_unmap_buffer(drm_buf_t *buf)
drm_i810_buf_priv_t *buf_priv = buf->dev_private;
int retcode = 0;
- if(buf_priv->currently_mapped != I810_BUF_MAPPED)
+ if (buf_priv->currently_mapped != I810_BUF_MAPPED)
return -EINVAL;
down_write(&current->mm->mmap_sem);
@@ -219,7 +220,7 @@ static int i810_dma_get_buffer(drm_device_t *dev, drm_i810_dma_t *d,
}
retcode = i810_map_buffer(buf, filp);
- if(retcode) {
+ if (retcode) {
i810_freelist_put(dev, buf);
DRM_ERROR("mapbuf failed, retcode %d\n", retcode);
return retcode;
@@ -251,7 +252,7 @@ int i810_dma_cleanup(drm_device_t *dev)
drm_i810_private_t *dev_priv =
(drm_i810_private_t *) dev->dev_private;
- if(dev_priv->ring.virtual_start) {
+ if (dev_priv->ring.virtual_start) {
DRM(ioremapfree)((void *) dev_priv->ring.virtual_start,
dev_priv->ring.Size, dev);
}
@@ -296,7 +297,7 @@ static int i810_wait_ring(drm_device_t *dev, int n)
}
iters++;
- if(time_before(end, jiffies)) {
+ if (time_before(end, jiffies)) {
DRM_ERROR("space: %d wanted %d\n", ring->space, n);
DRM_ERROR("lockup\n");
goto out_wait_ring;
@@ -326,7 +327,7 @@ static int i810_freelist_init(drm_device_t *dev, drm_i810_private_t *dev_priv)
u32 *hw_status = (u32 *)(dev_priv->hw_status_page + my_idx);
int i;
- if(dma->buf_count > 1019) {
+ if (dma->buf_count > 1019) {
/* Not enough space in the status page for the freelist */
return -EINVAL;
}
@@ -357,28 +358,28 @@ static int i810_dma_initialize(drm_device_t *dev,
list_for_each(list, &dev->maplist->head) {
drm_map_list_t *r_list = list_entry(list, drm_map_list_t, head);
- if( r_list->map &&
+ if (r_list->map &&
r_list->map->type == _DRM_SHM &&
r_list->map->flags & _DRM_CONTAINS_LOCK ) {
dev_priv->sarea_map = r_list->map;
break;
}
}
- if(!dev_priv->sarea_map) {
+ if (!dev_priv->sarea_map) {
dev->dev_private = (void *)dev_priv;
i810_dma_cleanup(dev);
DRM_ERROR("can not find sarea!\n");
return -EINVAL;
}
DRM_FIND_MAP( dev_priv->mmio_map, init->mmio_offset );
- if(!dev_priv->mmio_map) {
+ if (!dev_priv->mmio_map) {
dev->dev_private = (void *)dev_priv;
i810_dma_cleanup(dev);
DRM_ERROR("can not find mmio map!\n");
return -EINVAL;
}
DRM_FIND_MAP( dev_priv->buffer_map, init->buffers_offset );
- if(!dev_priv->buffer_map) {
+ if (!dev_priv->buffer_map) {
dev->dev_private = (void *)dev_priv;
i810_dma_cleanup(dev);
DRM_ERROR("can not find dma buffer map!\n");
@@ -438,7 +439,7 @@ static int i810_dma_initialize(drm_device_t *dev,
DRM_DEBUG("Enabled hardware status page\n");
/* Now we need to init our freelist */
- if(i810_freelist_init(dev, dev_priv) != 0) {
+ if (i810_freelist_init(dev, dev_priv) != 0) {
dev->dev_private = (void *)dev_priv;
i810_dma_cleanup(dev);
DRM_ERROR("Not enough space in the status page for"
@@ -465,7 +466,7 @@ int i810_dma_init_compat(drm_i810_init_t *init, unsigned long arg)
{
/* Get v1.1 init data */
- if(copy_from_user(init, (drm_i810_pre12_init_t *)arg,
+ if (copy_from_user(init, (drm_i810_pre12_init_t *)arg,
sizeof(drm_i810_pre12_init_t))) {
return -EFAULT;
}
@@ -474,8 +475,8 @@ int i810_dma_init_compat(drm_i810_init_t *init, unsigned long arg)
/* This is a v1.2 client, just get the v1.2 init data */
DRM_INFO("Using POST v1.2 init.\n");
- if(copy_from_user(init, (drm_i810_init_t *)arg,
- sizeof(drm_i810_init_t))) {
+ if (copy_from_user(init, (drm_i810_init_t *)arg,
+ sizeof(drm_i810_init_t))) {
return -EFAULT;
}
} else {
@@ -503,9 +504,8 @@ int i810_dma_init(struct inode *inode, struct file *filp,
int retcode = 0;
/* Get only the init func */
- if (copy_from_user(&init, (void *)arg, sizeof(drm_i810_init_func_t))) {
+ if (copy_from_user(&init, (void *)arg, sizeof(drm_i810_init_func_t)))
return -EFAULT;
- }
switch(init.func) {
case I810_INIT_DMA:
@@ -515,30 +515,34 @@ int i810_dma_init(struct inode *inode, struct file *filp,
* It will someday go away.
*/
retcode = i810_dma_init_compat(&init, arg);
- if(retcode) {
+ if (retcode)
return retcode;
- }
+
dev_priv = DRM(alloc)(sizeof(drm_i810_private_t),
DRM_MEM_DRIVER);
- if(dev_priv == NULL) return -ENOMEM;
+ if (dev_priv == NULL)
+ return -ENOMEM;
retcode = i810_dma_initialize(dev, dev_priv, &init);
- break;
+ break;
+
default:
case I810_INIT_DMA_1_4:
DRM_INFO("Using v1.4 init.\n");
- if(copy_from_user(&init, (drm_i810_init_t *)arg,
+ if (copy_from_user(&init, (drm_i810_init_t *)arg,
sizeof(drm_i810_init_t))) {
return -EFAULT;
}
dev_priv = DRM(alloc)(sizeof(drm_i810_private_t),
DRM_MEM_DRIVER);
- if(dev_priv == NULL) return -ENOMEM;
+ if (dev_priv == NULL)
+ return -ENOMEM;
retcode = i810_dma_initialize(dev, dev_priv, &init);
- break;
+ break;
+
case I810_CLEANUP_DMA:
DRM_INFO("DMA Cleanup\n");
retcode = i810_dma_cleanup(dev);
- break;
+ break;
}
return retcode;
@@ -1023,7 +1027,7 @@ void i810_reclaim_buffers(struct file *filp)
if (used == I810_BUF_CLIENT)
DRM_DEBUG("reclaimed from client\n");
- if(buf_priv->currently_mapped == I810_BUF_MAPPED)
+ if (buf_priv->currently_mapped == I810_BUF_MAPPED)
buf_priv->currently_mapped = I810_BUF_UNMAPPED;
}
}
@@ -1035,7 +1039,7 @@ int i810_flush_ioctl(struct inode *inode, struct file *filp,
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+ if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("i810_flush_ioctl called without lock held\n");
return -EINVAL;
}
@@ -1052,7 +1056,7 @@ int i810_dma_vertex(struct inode *inode, struct file *filp,
drm_device_t *dev = priv->dev;
drm_device_dma_t *dma = dev->dma;
drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
- u32 *hw_status = (u32 *)dev_priv->hw_status_page;
+ u32 *hw_status = dev_priv->hw_status_page;
drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *)
dev_priv->sarea_priv;
drm_i810_vertex_t vertex;
@@ -1060,7 +1064,7 @@ int i810_dma_vertex(struct inode *inode, struct file *filp,
if (copy_from_user(&vertex, (drm_i810_vertex_t *)arg, sizeof(vertex)))
return -EFAULT;
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+ if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("i810_dma_vertex called without lock held\n");
return -EINVAL;
}
@@ -1068,7 +1072,8 @@ int i810_dma_vertex(struct inode *inode, struct file *filp,
DRM_DEBUG("i810 dma vertex, idx %d used %d discard %d\n",
vertex.idx, vertex.used, vertex.discard);
- if(vertex.idx < 0 || vertex.idx > dma->buf_count) return -EINVAL;
+ if (vertex.idx < 0 || vertex.idx > dma->buf_count)
+ return -EINVAL;
i810_dma_dispatch_vertex( dev,
dma->buflist[ vertex.idx ],
@@ -1094,7 +1099,7 @@ int i810_clear_bufs(struct inode *inode, struct file *filp,
if (copy_from_user(&clear, (drm_i810_clear_t *)arg, sizeof(clear)))
return -EFAULT;
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+ if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("i810_clear_bufs called without lock held\n");
return -EINVAL;
}
@@ -1118,7 +1123,7 @@ int i810_swap_bufs(struct inode *inode, struct file *filp,
DRM_DEBUG("i810_swap_bufs\n");
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+ if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("i810_swap_buf called without lock held\n");
return -EINVAL;
}
@@ -1133,7 +1138,7 @@ int i810_getage(struct inode *inode, struct file *filp, unsigned int cmd,
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
- u32 *hw_status = (u32 *)dev_priv->hw_status_page;
+ u32 *hw_status = dev_priv->hw_status_page;
drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *)
dev_priv->sarea_priv;
@@ -1149,14 +1154,14 @@ int i810_getbuf(struct inode *inode, struct file *filp, unsigned int cmd,
int retcode = 0;
drm_i810_dma_t d;
drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
- u32 *hw_status = (u32 *)dev_priv->hw_status_page;
+ u32 *hw_status = dev_priv->hw_status_page;
drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *)
dev_priv->sarea_priv;
if (copy_from_user(&d, (drm_i810_dma_t *)arg, sizeof(d)))
return -EFAULT;
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+ if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("i810_dma called without lock held\n");
return -EINVAL;
}
@@ -1206,7 +1211,7 @@ static void i810_dma_dispatch_mc(drm_device_t *dev, drm_buf_t *buf, int used,
u = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT,
I810_BUF_HARDWARE);
- if(u != I810_BUF_CLIENT) {
+ if (u != I810_BUF_CLIENT) {
DRM_DEBUG("MC found buffer that isn't mine!\n");
}
@@ -1261,7 +1266,7 @@ int i810_dma_mc(struct inode *inode, struct file *filp,
drm_device_t *dev = priv->dev;
drm_device_dma_t *dma = dev->dma;
drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
- u32 *hw_status = (u32 *)dev_priv->hw_status_page;
+ u32 *hw_status = dev_priv->hw_status_page;
drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *)
dev_priv->sarea_priv;
drm_i810_mc_t mc;
@@ -1270,7 +1275,7 @@ int i810_dma_mc(struct inode *inode, struct file *filp,
return -EFAULT;
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+ if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("i810_dma_mc called without lock held\n");
return -EINVAL;
}
@@ -1318,7 +1323,7 @@ int i810_fstatus(struct inode *inode, struct file *filp,
drm_device_t *dev = priv->dev;
drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+ if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("i810_fstatus called without lock held\n");
return -EINVAL;
}
@@ -1332,7 +1337,7 @@ int i810_ov0_flip(struct inode *inode, struct file *filp,
drm_device_t *dev = priv->dev;
drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private;
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+ if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("i810_ov0_flip called without lock held\n");
return -EINVAL;
}
@@ -1377,7 +1382,7 @@ int i810_flip_bufs(struct inode *inode, struct file *filp,
DRM_DEBUG("%s\n", __FUNCTION__);
- if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
+ if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
DRM_ERROR("i810_flip_buf called without lock held\n");
return -EINVAL;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-28 06:49:41 +0000