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path: root/shared-core/via_dma.c
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Diffstat (limited to 'shared-core/via_dma.c')
-rw-r--r--shared-core/via_dma.c163
1 files changed, 72 insertions, 91 deletions
diff --git a/shared-core/via_dma.c b/shared-core/via_dma.c
index 333c4bcf..bd737a7e 100644
--- a/shared-core/via_dma.c
+++ b/shared-core/via_dma.c
@@ -139,7 +139,7 @@ static inline uint32_t *via_check_dma(drm_via_private_t * dev_priv,
return (uint32_t *) (dev_priv->dma_ptr + dev_priv->dma_low);
}
-int via_dma_cleanup(drm_device_t * dev)
+int via_dma_cleanup(struct drm_device * dev)
{
if (dev->dev_private) {
drm_via_private_t *dev_priv =
@@ -157,30 +157,30 @@ int via_dma_cleanup(drm_device_t * dev)
return 0;
}
-static int via_initialize(drm_device_t * dev,
+static int via_initialize(struct drm_device * dev,
drm_via_private_t * dev_priv,
drm_via_dma_init_t * init)
{
if (!dev_priv || !dev_priv->mmio) {
DRM_ERROR("via_dma_init called before via_map_init\n");
- return DRM_ERR(EFAULT);
+ return -EFAULT;
}
if (dev_priv->ring.virtual_start != NULL) {
DRM_ERROR("%s called again without calling cleanup\n",
__FUNCTION__);
- return DRM_ERR(EFAULT);
+ return -EFAULT;
}
if (!dev->agp || !dev->agp->base) {
DRM_ERROR("%s called with no agp memory available\n",
__FUNCTION__);
- return DRM_ERR(EFAULT);
+ return -EFAULT;
}
if (dev_priv->chipset == VIA_DX9_0) {
DRM_ERROR("AGP DMA is not supported on this chip\n");
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
dev_priv->ring.map.offset = dev->agp->base + init->offset;
@@ -195,7 +195,7 @@ static int via_initialize(drm_device_t * dev,
via_dma_cleanup(dev);
DRM_ERROR("can not ioremap virtual address for"
" ring buffer\n");
- return DRM_ERR(ENOMEM);
+ return -ENOMEM;
}
dev_priv->ring.virtual_start = dev_priv->ring.map.handle;
@@ -215,35 +215,31 @@ static int via_initialize(drm_device_t * dev,
return 0;
}
-static int via_dma_init(DRM_IOCTL_ARGS)
+static int via_dma_init(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
- DRM_DEVICE;
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
- drm_via_dma_init_t init;
+ drm_via_dma_init_t *init = data;
int retcode = 0;
- DRM_COPY_FROM_USER_IOCTL(init, (drm_via_dma_init_t __user *) data,
- sizeof(init));
-
- switch (init.func) {
+ switch (init->func) {
case VIA_INIT_DMA:
if (!DRM_SUSER(DRM_CURPROC))
- retcode = DRM_ERR(EPERM);
+ retcode = -EPERM;
else
- retcode = via_initialize(dev, dev_priv, &init);
+ retcode = via_initialize(dev, dev_priv, init);
break;
case VIA_CLEANUP_DMA:
if (!DRM_SUSER(DRM_CURPROC))
- retcode = DRM_ERR(EPERM);
+ retcode = -EPERM;
else
retcode = via_dma_cleanup(dev);
break;
case VIA_DMA_INITIALIZED:
retcode = (dev_priv->ring.virtual_start != NULL) ?
- 0 : DRM_ERR(EFAULT);
+ 0 : -EFAULT;
break;
default:
- retcode = DRM_ERR(EINVAL);
+ retcode = -EINVAL;
break;
}
@@ -252,7 +248,7 @@ static int via_dma_init(DRM_IOCTL_ARGS)
-static int via_dispatch_cmdbuffer(drm_device_t * dev, drm_via_cmdbuffer_t * cmd)
+static int via_dispatch_cmdbuffer(struct drm_device * dev, drm_via_cmdbuffer_t * cmd)
{
drm_via_private_t *dev_priv;
uint32_t *vb;
@@ -263,15 +259,15 @@ static int via_dispatch_cmdbuffer(drm_device_t * dev, drm_via_cmdbuffer_t * cmd)
if (dev_priv->ring.virtual_start == NULL) {
DRM_ERROR("%s called without initializing AGP ring buffer.\n",
__FUNCTION__);
- return DRM_ERR(EFAULT);
+ return -EFAULT;
}
if (cmd->size > VIA_PCI_BUF_SIZE) {
- return DRM_ERR(ENOMEM);
+ return -ENOMEM;
}
if (DRM_COPY_FROM_USER(dev_priv->pci_buf, cmd->buf, cmd->size))
- return DRM_ERR(EFAULT);
+ return -EFAULT;
/*
* Running this function on AGP memory is dead slow. Therefore
@@ -287,7 +283,7 @@ static int via_dispatch_cmdbuffer(drm_device_t * dev, drm_via_cmdbuffer_t * cmd)
vb = via_check_dma(dev_priv, (cmd->size < 0x100) ? 0x102 : cmd->size);
if (vb == NULL) {
- return DRM_ERR(EAGAIN);
+ return -EAGAIN;
}
memcpy(vb, dev_priv->pci_buf, cmd->size);
@@ -306,39 +302,35 @@ static int via_dispatch_cmdbuffer(drm_device_t * dev, drm_via_cmdbuffer_t * cmd)
return 0;
}
-int via_driver_dma_quiescent(drm_device_t * dev)
+int via_driver_dma_quiescent(struct drm_device * dev)
{
drm_via_private_t *dev_priv = dev->dev_private;
if (!via_wait_idle(dev_priv)) {
- return DRM_ERR(EBUSY);
+ return -EBUSY;
}
return 0;
}
-static int via_flush_ioctl(DRM_IOCTL_ARGS)
+static int via_flush_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
- DRM_DEVICE;
- LOCK_TEST_WITH_RETURN(dev, filp);
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
return via_driver_dma_quiescent(dev);
}
-static int via_cmdbuffer(DRM_IOCTL_ARGS)
+static int via_cmdbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
- DRM_DEVICE;
- drm_via_cmdbuffer_t cmdbuf;
+ drm_via_cmdbuffer_t *cmdbuf = data;
int ret;
- LOCK_TEST_WITH_RETURN(dev, filp);
-
- DRM_COPY_FROM_USER_IOCTL(cmdbuf, (drm_via_cmdbuffer_t __user *) data,
- sizeof(cmdbuf));
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
- DRM_DEBUG("via cmdbuffer, buf %p size %lu\n", cmdbuf.buf, cmdbuf.size);
+ DRM_DEBUG("via cmdbuffer, buf %p size %lu\n", cmdbuf->buf,
+ cmdbuf->size);
- ret = via_dispatch_cmdbuffer(dev, &cmdbuf);
+ ret = via_dispatch_cmdbuffer(dev, cmdbuf);
if (ret) {
return ret;
}
@@ -346,17 +338,17 @@ static int via_cmdbuffer(DRM_IOCTL_ARGS)
return 0;
}
-static int via_dispatch_pci_cmdbuffer(drm_device_t * dev,
+static int via_dispatch_pci_cmdbuffer(struct drm_device * dev,
drm_via_cmdbuffer_t * cmd)
{
drm_via_private_t *dev_priv = dev->dev_private;
int ret;
if (cmd->size > VIA_PCI_BUF_SIZE) {
- return DRM_ERR(ENOMEM);
+ return -ENOMEM;
}
if (DRM_COPY_FROM_USER(dev_priv->pci_buf, cmd->buf, cmd->size))
- return DRM_ERR(EFAULT);
+ return -EFAULT;
if ((ret =
via_verify_command_stream((uint32_t *) dev_priv->pci_buf,
@@ -370,21 +362,17 @@ static int via_dispatch_pci_cmdbuffer(drm_device_t * dev,
return ret;
}
-static int via_pci_cmdbuffer(DRM_IOCTL_ARGS)
+static int via_pci_cmdbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
- DRM_DEVICE;
- drm_via_cmdbuffer_t cmdbuf;
+ drm_via_cmdbuffer_t *cmdbuf = data;
int ret;
- LOCK_TEST_WITH_RETURN(dev, filp);
-
- DRM_COPY_FROM_USER_IOCTL(cmdbuf, (drm_via_cmdbuffer_t __user *) data,
- sizeof(cmdbuf));
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
- DRM_DEBUG("via_pci_cmdbuffer, buf %p size %lu\n", cmdbuf.buf,
- cmdbuf.size);
+ DRM_DEBUG("via_pci_cmdbuffer, buf %p size %lu\n", cmdbuf->buf,
+ cmdbuf->size);
- ret = via_dispatch_pci_cmdbuffer(dev, &cmdbuf);
+ ret = via_dispatch_pci_cmdbuffer(dev, cmdbuf);
if (ret) {
return ret;
}
@@ -645,94 +633,87 @@ static void via_cmdbuf_reset(drm_via_private_t * dev_priv)
* User interface to the space and lag functions.
*/
-static int via_cmdbuf_size(DRM_IOCTL_ARGS)
+static int via_cmdbuf_size(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
- DRM_DEVICE;
- drm_via_cmdbuf_size_t d_siz;
+ drm_via_cmdbuf_size_t *d_siz = data;
int ret = 0;
uint32_t tmp_size, count;
drm_via_private_t *dev_priv;
DRM_DEBUG("via cmdbuf_size\n");
- LOCK_TEST_WITH_RETURN( dev, filp );
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
dev_priv = (drm_via_private_t *) dev->dev_private;
if (dev_priv->ring.virtual_start == NULL) {
DRM_ERROR("%s called without initializing AGP ring buffer.\n",
__FUNCTION__);
- return DRM_ERR(EFAULT);
+ return -EFAULT;
}
- DRM_COPY_FROM_USER_IOCTL(d_siz, (drm_via_cmdbuf_size_t __user *) data,
- sizeof(d_siz));
-
-
count = 1000000;
- tmp_size = d_siz.size;
- switch(d_siz.func) {
+ tmp_size = d_siz->size;
+ switch(d_siz->func) {
case VIA_CMDBUF_SPACE:
- while (((tmp_size = via_cmdbuf_space(dev_priv)) < d_siz.size)
+ while (((tmp_size = via_cmdbuf_space(dev_priv)) < d_siz->size)
&& count--) {
- if (!d_siz.wait) {
+ if (!d_siz->wait) {
break;
}
}
if (!count) {
DRM_ERROR("VIA_CMDBUF_SPACE timed out.\n");
- ret = DRM_ERR(EAGAIN);
+ ret = -EAGAIN;
}
break;
case VIA_CMDBUF_LAG:
- while (((tmp_size = via_cmdbuf_lag(dev_priv)) > d_siz.size)
+ while (((tmp_size = via_cmdbuf_lag(dev_priv)) > d_siz->size)
&& count--) {
- if (!d_siz.wait) {
+ if (!d_siz->wait) {
break;
}
}
if (!count) {
DRM_ERROR("VIA_CMDBUF_LAG timed out.\n");
- ret = DRM_ERR(EAGAIN);
+ ret = -EAGAIN;
}
break;
default:
- ret = DRM_ERR(EFAULT);
+ ret = -EFAULT;
}
- d_siz.size = tmp_size;
+ d_siz->size = tmp_size;
- DRM_COPY_TO_USER_IOCTL((drm_via_cmdbuf_size_t __user *) data, d_siz,
- sizeof(d_siz));
return ret;
}
#ifndef VIA_HAVE_DMABLIT
int
-via_dma_blit_sync( DRM_IOCTL_ARGS ) {
+via_dma_blit_sync( struct drm_device *dev, void *data, struct drm_file *file_priv ) {
DRM_ERROR("PCI DMA BitBlt is not implemented for this system.\n");
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
int
-via_dma_blit( DRM_IOCTL_ARGS ) {
+via_dma_blit( struct drm_device *dev, void *data, struct drm_file *file_priv ) {
DRM_ERROR("PCI DMA BitBlt is not implemented for this system.\n");
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
#endif
-drm_ioctl_desc_t via_ioctls[] = {
- [DRM_IOCTL_NR(DRM_VIA_ALLOCMEM)] = {via_mem_alloc, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_VIA_FREEMEM)] = {via_mem_free, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_VIA_AGP_INIT)] = {via_agp_init, DRM_AUTH|DRM_MASTER},
- [DRM_IOCTL_NR(DRM_VIA_FB_INIT)] = {via_fb_init, DRM_AUTH|DRM_MASTER},
- [DRM_IOCTL_NR(DRM_VIA_MAP_INIT)] = {via_map_init, DRM_AUTH|DRM_MASTER},
- [DRM_IOCTL_NR(DRM_VIA_DEC_FUTEX)] = {via_decoder_futex, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_VIA_DMA_INIT)] = {via_dma_init, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_VIA_CMDBUFFER)] = {via_cmdbuffer, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_VIA_FLUSH)] = {via_flush_ioctl, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_VIA_PCICMD)] = {via_pci_cmdbuffer, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_VIA_CMDBUF_SIZE)] = {via_cmdbuf_size, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_VIA_WAIT_IRQ)] = {via_wait_irq, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_VIA_DMA_BLIT)] = {via_dma_blit, DRM_AUTH},
- [DRM_IOCTL_NR(DRM_VIA_BLIT_SYNC)] = {via_dma_blit_sync, DRM_AUTH}
+struct drm_ioctl_desc via_ioctls[] = {
+ DRM_IOCTL_DEF(DRM_VIA_ALLOCMEM, via_mem_alloc, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_VIA_FREEMEM, via_mem_free, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_VIA_AGP_INIT, via_agp_init, DRM_AUTH|DRM_MASTER),
+ DRM_IOCTL_DEF(DRM_VIA_FB_INIT, via_fb_init, DRM_AUTH|DRM_MASTER),
+ DRM_IOCTL_DEF(DRM_VIA_MAP_INIT, via_map_init, DRM_AUTH|DRM_MASTER),
+ DRM_IOCTL_DEF(DRM_VIA_DEC_FUTEX, via_decoder_futex, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_VIA_DMA_INIT, via_dma_init, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_VIA_CMDBUFFER, via_cmdbuffer, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_VIA_FLUSH, via_flush_ioctl, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_VIA_PCICMD, via_pci_cmdbuffer, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_VIA_CMDBUF_SIZE, via_cmdbuf_size, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_VIA_WAIT_IRQ, via_wait_irq, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_VIA_DMA_BLIT, via_dma_blit, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_VIA_BLIT_SYNC, via_dma_blit_sync, DRM_AUTH)
};
int via_max_ioctl = DRM_ARRAY_SIZE(via_ioctls);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 16:43:36 +0000