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path: root/drivers/char/drm/i810_dma.c
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Diffstat (limited to 'drivers/char/drm/i810_dma.c')
-rw-r--r--drivers/char/drm/i810_dma.c249
1 files changed, 73 insertions, 176 deletions
diff --git a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c
index 3f1aca87432f..8e841bdee6dc 100644
--- a/drivers/char/drm/i810_dma.c
+++ b/drivers/char/drm/i810_dma.c
@@ -429,98 +429,29 @@ static int i810_dma_initialize(struct drm_device * dev,
return 0;
}
-/* i810 DRM version 1.1 used a smaller init structure with different
- * ordering of values than is currently used (drm >= 1.2). There is
- * no defined way to detect the XFree version to correct this problem,
- * however by checking using this procedure we can detect the correct
- * thing to do.
- *
- * #1 Read the Smaller init structure from user-space
- * #2 Verify the overlay_physical is a valid physical address, or NULL
- * If it isn't then we have a v1.1 client. Fix up params.
- * If it is, then we have a 1.2 client... get the rest of the data.
- */
-static 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 __user *) arg,
- sizeof(drm_i810_pre12_init_t))) {
- return -EFAULT;
- }
-
- if ((!init->overlay_physical) || (init->overlay_physical > 4096)) {
-
- /* 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 __user *) arg,
- sizeof(drm_i810_init_t))) {
- return -EFAULT;
- }
- } else {
-
- /* This is a v1.1 client, fix the params */
- DRM_INFO("Using PRE v1.2 init.\n");
- init->pitch_bits = init->h;
- init->pitch = init->w;
- init->h = init->overlay_physical;
- init->w = init->overlay_offset;
- init->overlay_physical = 0;
- init->overlay_offset = 0;
- }
-
- return 0;
-}
-
-static int i810_dma_init(struct inode *inode, struct drm_file *file_priv,
- unsigned int cmd, unsigned long arg)
+static int i810_dma_init(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_device *dev = file_priv->head->dev;
drm_i810_private_t *dev_priv;
- drm_i810_init_t init;
+ drm_i810_init_t *init = data;
int retcode = 0;
- /* Get only the init func */
- if (copy_from_user
- (&init, (void __user *)arg, sizeof(drm_i810_init_func_t)))
- return -EFAULT;
-
- switch (init.func) {
- case I810_INIT_DMA:
- /* This case is for backward compatibility. It
- * handles XFree 4.1.0 and 4.2.0, and has to
- * do some parameter checking as described below.
- * It will someday go away.
- */
- retcode = i810_dma_init_compat(&init, arg);
- if (retcode)
- return retcode;
-
- dev_priv = drm_alloc(sizeof(drm_i810_private_t),
- DRM_MEM_DRIVER);
- if (dev_priv == NULL)
- return -ENOMEM;
- retcode = i810_dma_initialize(dev, dev_priv, &init);
- break;
-
- default:
+ switch (init->func) {
case I810_INIT_DMA_1_4:
DRM_INFO("Using v1.4 init.\n");
- if (copy_from_user(&init, (drm_i810_init_t __user *) 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;
- retcode = i810_dma_initialize(dev, dev_priv, &init);
+ retcode = i810_dma_initialize(dev, dev_priv, init);
break;
case I810_CLEANUP_DMA:
DRM_INFO("DMA Cleanup\n");
retcode = i810_dma_cleanup(dev);
break;
+ default:
+ return -EINVAL;
}
return retcode;
@@ -997,45 +928,38 @@ static void i810_reclaim_buffers(struct drm_device * dev,
}
}
-static int i810_flush_ioctl(struct inode *inode, struct drm_file *file_priv,
- unsigned int cmd, unsigned long arg)
+static int i810_flush_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_device *dev = file_priv->head->dev;
-
LOCK_TEST_WITH_RETURN(dev, file_priv);
i810_flush_queue(dev);
return 0;
}
-static int i810_dma_vertex(struct inode *inode, struct drm_file *file_priv,
- unsigned int cmd, unsigned long arg)
+static int i810_dma_vertex(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_device *dev = file_priv->head->dev;
struct drm_device_dma *dma = dev->dma;
drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private;
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;
-
- if (copy_from_user
- (&vertex, (drm_i810_vertex_t __user *) arg, sizeof(vertex)))
- return -EFAULT;
+ drm_i810_vertex_t *vertex = data;
LOCK_TEST_WITH_RETURN(dev, file_priv);
DRM_DEBUG("i810 dma vertex, idx %d used %d discard %d\n",
- vertex.idx, vertex.used, vertex.discard);
+ vertex->idx, vertex->used, vertex->discard);
- if (vertex.idx < 0 || vertex.idx > dma->buf_count)
+ if (vertex->idx < 0 || vertex->idx > dma->buf_count)
return -EINVAL;
i810_dma_dispatch_vertex(dev,
- dma->buflist[vertex.idx],
- vertex.discard, vertex.used);
+ dma->buflist[vertex->idx],
+ vertex->discard, vertex->used);
- atomic_add(vertex.used, &dev->counts[_DRM_STAT_SECONDARY]);
+ atomic_add(vertex->used, &dev->counts[_DRM_STAT_SECONDARY]);
atomic_inc(&dev->counts[_DRM_STAT_DMA]);
sarea_priv->last_enqueue = dev_priv->counter - 1;
sarea_priv->last_dispatch = (int)hw_status[5];
@@ -1043,15 +967,10 @@ static int i810_dma_vertex(struct inode *inode, struct drm_file *file_priv,
return 0;
}
-static int i810_clear_bufs(struct inode *inode, struct drm_file *file_priv,
- unsigned int cmd, unsigned long arg)
+static int i810_clear_bufs(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_device *dev = file_priv->head->dev;
- drm_i810_clear_t clear;
-
- if (copy_from_user
- (&clear, (drm_i810_clear_t __user *) arg, sizeof(clear)))
- return -EFAULT;
+ drm_i810_clear_t *clear = data;
LOCK_TEST_WITH_RETURN(dev, file_priv);
@@ -1060,16 +979,14 @@ static int i810_clear_bufs(struct inode *inode, struct drm_file *file_priv,
return -EINVAL;
}
- i810_dma_dispatch_clear(dev, clear.flags,
- clear.clear_color, clear.clear_depth);
+ i810_dma_dispatch_clear(dev, clear->flags,
+ clear->clear_color, clear->clear_depth);
return 0;
}
-static int i810_swap_bufs(struct inode *inode, struct drm_file *file_priv,
- unsigned int cmd, unsigned long arg)
+static int i810_swap_bufs(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_device *dev = file_priv->head->dev;
-
DRM_DEBUG("i810_swap_bufs\n");
LOCK_TEST_WITH_RETURN(dev, file_priv);
@@ -1078,11 +995,9 @@ static int i810_swap_bufs(struct inode *inode, struct drm_file *file_priv,
return 0;
}
-static int i810_getage(struct inode *inode, struct drm_file *file_priv,
- unsigned int cmd,
- unsigned long arg)
+static int i810_getage(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_device *dev = file_priv->head->dev;
drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private;
u32 *hw_status = dev_priv->hw_status_page;
drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *)
@@ -1092,45 +1007,39 @@ static int i810_getage(struct inode *inode, struct drm_file *file_priv,
return 0;
}
-static int i810_getbuf(struct inode *inode, struct drm_file *file_priv,
- unsigned int cmd, unsigned long arg)
+static int i810_getbuf(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_device *dev = file_priv->head->dev;
int retcode = 0;
- drm_i810_dma_t d;
+ drm_i810_dma_t *d = data;
drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private;
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 __user *) arg, sizeof(d)))
- return -EFAULT;
-
LOCK_TEST_WITH_RETURN(dev, file_priv);
- d.granted = 0;
+ d->granted = 0;
- retcode = i810_dma_get_buffer(dev, &d, file_priv);
+ retcode = i810_dma_get_buffer(dev, d, file_priv);
DRM_DEBUG("i810_dma: %d returning %d, granted = %d\n",
- current->pid, retcode, d.granted);
+ current->pid, retcode, d->granted);
- if (copy_to_user((void __user *) arg, &d, sizeof(d)))
- return -EFAULT;
sarea_priv->last_dispatch = (int)hw_status[5];
return retcode;
}
-static int i810_copybuf(struct inode *inode, struct drm_file *file_priv,
- unsigned int cmd, unsigned long arg)
+static int i810_copybuf(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
/* Never copy - 2.4.x doesn't need it */
return 0;
}
-static int i810_docopy(struct inode *inode, struct drm_file *file_priv,
- unsigned int cmd, unsigned long arg)
+static int i810_docopy(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
/* Never copy - 2.4.x doesn't need it */
return 0;
@@ -1196,29 +1105,25 @@ static void i810_dma_dispatch_mc(struct drm_device * dev, struct drm_buf * buf,
ADVANCE_LP_RING();
}
-static int i810_dma_mc(struct inode *inode, struct drm_file *file_priv,
- unsigned int cmd, unsigned long arg)
+static int i810_dma_mc(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_device *dev = file_priv->head->dev;
struct drm_device_dma *dma = dev->dma;
drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private;
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;
-
- if (copy_from_user(&mc, (drm_i810_mc_t __user *) arg, sizeof(mc)))
- return -EFAULT;
+ drm_i810_mc_t *mc = data;
LOCK_TEST_WITH_RETURN(dev, file_priv);
- if (mc.idx >= dma->buf_count || mc.idx < 0)
+ if (mc->idx >= dma->buf_count || mc->idx < 0)
return -EINVAL;
- i810_dma_dispatch_mc(dev, dma->buflist[mc.idx], mc.used,
- mc.last_render);
+ i810_dma_dispatch_mc(dev, dma->buflist[mc->idx], mc->used,
+ mc->last_render);
- atomic_add(mc.used, &dev->counts[_DRM_STAT_SECONDARY]);
+ atomic_add(mc->used, &dev->counts[_DRM_STAT_SECONDARY]);
atomic_inc(&dev->counts[_DRM_STAT_DMA]);
sarea_priv->last_enqueue = dev_priv->counter - 1;
sarea_priv->last_dispatch = (int)hw_status[5];
@@ -1226,45 +1131,38 @@ static int i810_dma_mc(struct inode *inode, struct drm_file *file_priv,
return 0;
}
-static int i810_rstatus(struct inode *inode, struct drm_file *file_priv,
- unsigned int cmd, unsigned long arg)
+static int i810_rstatus(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_device *dev = file_priv->head->dev;
drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private;
return (int)(((u32 *) (dev_priv->hw_status_page))[4]);
}
-static int i810_ov0_info(struct inode *inode, struct drm_file *file_priv,
- unsigned int cmd, unsigned long arg)
+static int i810_ov0_info(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_device *dev = file_priv->head->dev;
drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private;
- drm_i810_overlay_t data;
+ drm_i810_overlay_t *ov = data;
+
+ ov->offset = dev_priv->overlay_offset;
+ ov->physical = dev_priv->overlay_physical;
- data.offset = dev_priv->overlay_offset;
- data.physical = dev_priv->overlay_physical;
- if (copy_to_user
- ((drm_i810_overlay_t __user *) arg, &data, sizeof(data)))
- return -EFAULT;
return 0;
}
-static int i810_fstatus(struct inode *inode, struct drm_file *file_priv,
- unsigned int cmd, unsigned long arg)
+static int i810_fstatus(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_device *dev = file_priv->head->dev;
drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private;
LOCK_TEST_WITH_RETURN(dev, file_priv);
-
return I810_READ(0x30008);
}
-static int i810_ov0_flip(struct inode *inode, struct drm_file *file_priv,
- unsigned int cmd, unsigned long arg)
+static int i810_ov0_flip(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_device *dev = file_priv->head->dev;
drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private;
LOCK_TEST_WITH_RETURN(dev, file_priv);
@@ -1299,10 +1197,9 @@ static int i810_do_cleanup_pageflip(struct drm_device * dev)
return 0;
}
-static int i810_flip_bufs(struct inode *inode, struct drm_file *file_priv,
- unsigned int cmd, unsigned long arg)
+static int i810_flip_bufs(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- struct drm_device *dev = file_priv->head->dev;
drm_i810_private_t *dev_priv = dev->dev_private;
DRM_DEBUG("%s\n", __FUNCTION__);
@@ -1355,22 +1252,22 @@ int i810_driver_dma_quiescent(struct drm_device * dev)
return 0;
}
-drm_ioctl_desc_t i810_ioctls[] = {
- [DRM_IOCTL_NR(DRM_I810_INIT)] = {i810_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
- [DRM_IOCTL_NR(DRM_I810_VERTEX)] = {i810_dma_vertex, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I810_CLEAR)] = {i810_clear_bufs, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I810_FLUSH)] = {i810_flush_ioctl, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I810_GETAGE)] = {i810_getage, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I810_GETBUF)] = {i810_getbuf, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I810_SWAP)] = {i810_swap_bufs, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I810_COPY)] = {i810_copybuf, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I810_DOCOPY)] = {i810_docopy, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I810_OV0INFO)] = {i810_ov0_info, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I810_FSTATUS)] = {i810_fstatus, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I810_OV0FLIP)] = {i810_ov0_flip, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I810_MC)] = {i810_dma_mc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
- [DRM_IOCTL_NR(DRM_I810_RSTATUS)] = {i810_rstatus, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_I810_FLIP)] = {i810_flip_bufs, DRM_AUTH}
+struct drm_ioctl_desc i810_ioctls[] = {
+ DRM_IOCTL_DEF(DRM_I810_INIT, i810_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_I810_VERTEX, i810_dma_vertex, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I810_CLEAR, i810_clear_bufs, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I810_FLUSH, i810_flush_ioctl, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I810_GETAGE, i810_getage, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I810_GETBUF, i810_getbuf, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I810_SWAP, i810_swap_bufs, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I810_COPY, i810_copybuf, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I810_DOCOPY, i810_docopy, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I810_OV0INFO, i810_ov0_info, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I810_FSTATUS, i810_fstatus, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I810_OV0FLIP, i810_ov0_flip, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I810_MC, i810_dma_mc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_I810_RSTATUS, i810_rstatus, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_I810_FLIP, i810_flip_bufs, DRM_AUTH)
};
int i810_max_ioctl = DRM_ARRAY_SIZE(i810_ioctls);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 10:43:19 +0000