summaryrefslogtreecommitdiff
path: root/shared-core/mga_dma.c
diff options
context:
space:
mode:
Diffstat (limited to 'shared-core/mga_dma.c')
-rw-r--r--shared-core/mga_dma.c201
1 files changed, 92 insertions, 109 deletions
diff --git a/shared-core/mga_dma.c b/shared-core/mga_dma.c
index d48313c7..a86dd31c 100644
--- a/shared-core/mga_dma.c
+++ b/shared-core/mga_dma.c
@@ -46,7 +46,7 @@
#define MINIMAL_CLEANUP 0
#define FULL_CLEANUP 1
-static int mga_do_cleanup_dma(drm_device_t * dev, int full_cleanup);
+static int mga_do_cleanup_dma(struct drm_device * dev, int full_cleanup);
/* ================================================================
* Engine control
@@ -71,7 +71,7 @@ int mga_do_wait_for_idle(drm_mga_private_t * dev_priv)
DRM_ERROR("failed!\n");
DRM_INFO(" status=0x%08x\n", status);
#endif
- return DRM_ERR(EBUSY);
+ return -EBUSY;
}
static int mga_do_dma_reset(drm_mga_private_t * dev_priv)
@@ -224,7 +224,7 @@ void mga_do_dma_wrap_end(drm_mga_private_t * dev_priv)
#define MGA_BUFFER_FREE 0
#if MGA_FREELIST_DEBUG
-static void mga_freelist_print(drm_device_t * dev)
+static void mga_freelist_print(struct drm_device * dev)
{
drm_mga_private_t *dev_priv = dev->dev_private;
drm_mga_freelist_t *entry;
@@ -245,10 +245,10 @@ static void mga_freelist_print(drm_device_t * dev)
}
#endif
-static int mga_freelist_init(drm_device_t * dev, drm_mga_private_t * dev_priv)
+static int mga_freelist_init(struct drm_device * dev, drm_mga_private_t * dev_priv)
{
- drm_device_dma_t *dma = dev->dma;
- drm_buf_t *buf;
+ struct drm_device_dma *dma = dev->dma;
+ struct drm_buf *buf;
drm_mga_buf_priv_t *buf_priv;
drm_mga_freelist_t *entry;
int i;
@@ -256,7 +256,7 @@ static int mga_freelist_init(drm_device_t * dev, drm_mga_private_t * dev_priv)
dev_priv->head = drm_alloc(sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER);
if (dev_priv->head == NULL)
- return DRM_ERR(ENOMEM);
+ return -ENOMEM;
memset(dev_priv->head, 0, sizeof(drm_mga_freelist_t));
SET_AGE(&dev_priv->head->age, MGA_BUFFER_USED, 0);
@@ -267,7 +267,7 @@ static int mga_freelist_init(drm_device_t * dev, drm_mga_private_t * dev_priv)
entry = drm_alloc(sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER);
if (entry == NULL)
- return DRM_ERR(ENOMEM);
+ return -ENOMEM;
memset(entry, 0, sizeof(drm_mga_freelist_t));
@@ -291,7 +291,7 @@ static int mga_freelist_init(drm_device_t * dev, drm_mga_private_t * dev_priv)
return 0;
}
-static void mga_freelist_cleanup(drm_device_t * dev)
+static void mga_freelist_cleanup(struct drm_device * dev)
{
drm_mga_private_t *dev_priv = dev->dev_private;
drm_mga_freelist_t *entry;
@@ -311,10 +311,10 @@ static void mga_freelist_cleanup(drm_device_t * dev)
#if 0
/* FIXME: Still needed?
*/
-static void mga_freelist_reset(drm_device_t * dev)
+static void mga_freelist_reset(struct drm_device * dev)
{
drm_device_dma_t *dma = dev->dma;
- drm_buf_t *buf;
+ struct drm_buf *buf;
drm_mga_buf_priv_t *buf_priv;
int i;
@@ -326,7 +326,7 @@ static void mga_freelist_reset(drm_device_t * dev)
}
#endif
-static drm_buf_t *mga_freelist_get(drm_device_t * dev)
+static struct drm_buf *mga_freelist_get(struct drm_device * dev)
{
drm_mga_private_t *dev_priv = dev->dev_private;
drm_mga_freelist_t *next;
@@ -359,7 +359,7 @@ static drm_buf_t *mga_freelist_get(drm_device_t * dev)
return NULL;
}
-int mga_freelist_put(drm_device_t * dev, drm_buf_t * buf)
+int mga_freelist_put(struct drm_device * dev, struct drm_buf * buf)
{
drm_mga_private_t *dev_priv = dev->dev_private;
drm_mga_buf_priv_t *buf_priv = buf->dev_private;
@@ -393,13 +393,13 @@ int mga_freelist_put(drm_device_t * dev, drm_buf_t * buf)
* DMA initialization, cleanup
*/
-int mga_driver_load(drm_device_t *dev, unsigned long flags)
+int mga_driver_load(struct drm_device *dev, unsigned long flags)
{
drm_mga_private_t * dev_priv;
dev_priv = drm_alloc(sizeof(drm_mga_private_t), DRM_MEM_DRIVER);
if (!dev_priv)
- return DRM_ERR(ENOMEM);
+ return -ENOMEM;
dev->dev_private = (void *)dev_priv;
memset(dev_priv, 0, sizeof(drm_mga_private_t));
@@ -433,7 +433,7 @@ int mga_driver_load(drm_device_t *dev, unsigned long flags)
*
* \sa mga_do_dma_bootstrap, mga_do_pci_dma_bootstrap
*/
-static int mga_do_agp_dma_bootstrap(drm_device_t * dev,
+static int mga_do_agp_dma_bootstrap(struct drm_device *dev,
drm_mga_dma_bootstrap_t * dma_bs)
{
drm_mga_private_t * const dev_priv = (drm_mga_private_t *) dev->dev_private;
@@ -443,11 +443,11 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev,
const unsigned secondary_size = dma_bs->secondary_bin_count
* dma_bs->secondary_bin_size;
const unsigned agp_size = (dma_bs->agp_size << 20);
- drm_buf_desc_t req;
- drm_agp_mode_t mode;
- drm_agp_info_t info;
- drm_agp_buffer_t agp_req;
- drm_agp_binding_t bind_req;
+ struct drm_buf_desc req;
+ struct drm_agp_mode mode;
+ struct drm_agp_info info;
+ struct drm_agp_buffer agp_req;
+ struct drm_agp_binding bind_req;
/* Acquire AGP. */
err = drm_agp_acquire(dev);
@@ -548,7 +548,7 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev,
#ifdef __linux__
{
- drm_map_list_t *_entry;
+ struct drm_map_list *_entry;
unsigned long agp_token = 0;
list_for_each_entry(_entry, &dev->maplist, head) {
@@ -579,7 +579,7 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev,
DRM_ERROR("failed to ioremap agp regions! (%p, %p, %p)\n",
dev_priv->warp->handle, dev_priv->primary->handle,
dev->agp_buffer_map->handle);
- return DRM_ERR(ENOMEM);
+ return -ENOMEM;
}
dev_priv->dma_access = MGA_PAGPXFER;
@@ -603,7 +603,7 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev,
*
* \sa mga_do_dma_bootstrap, mga_do_agp_dma_bootstrap
*/
-static int mga_do_pci_dma_bootstrap(drm_device_t * dev,
+static int mga_do_pci_dma_bootstrap(struct drm_device * dev,
drm_mga_dma_bootstrap_t * dma_bs)
{
drm_mga_private_t * const dev_priv = (drm_mga_private_t *) dev->dev_private;
@@ -611,12 +611,12 @@ static int mga_do_pci_dma_bootstrap(drm_device_t * dev,
unsigned int primary_size;
unsigned int bin_count;
int err;
- drm_buf_desc_t req;
+ struct drm_buf_desc req;
if (dev->dma == NULL) {
DRM_ERROR("dev->dma is NULL\n");
- return DRM_ERR(EFAULT);
+ return -EFAULT;
}
/* Make drm_addbufs happy by not trying to create a mapping for less
@@ -651,7 +651,7 @@ static int mga_do_pci_dma_bootstrap(drm_device_t * dev,
if (err != 0) {
DRM_ERROR("Unable to allocate primary DMA region: %d\n", err);
- return DRM_ERR(ENOMEM);
+ return -ENOMEM;
}
if (dev_priv->primary->size != dma_bs->primary_size) {
@@ -696,7 +696,7 @@ static int mga_do_pci_dma_bootstrap(drm_device_t * dev,
}
-static int mga_do_dma_bootstrap(drm_device_t * dev,
+static int mga_do_dma_bootstrap(struct drm_device * dev,
drm_mga_dma_bootstrap_t * dma_bs)
{
const int is_agp = (dma_bs->agp_mode != 0) && drm_device_is_agp(dev);
@@ -762,44 +762,37 @@ static int mga_do_dma_bootstrap(drm_device_t * dev,
return err;
}
-int mga_dma_bootstrap(DRM_IOCTL_ARGS)
+int mga_dma_bootstrap(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- DRM_DEVICE;
- drm_mga_dma_bootstrap_t bootstrap;
+ drm_mga_dma_bootstrap_t *bootstrap = data;
int err;
static const int modes[] = { 0, 1, 2, 2, 4, 4, 4, 4 };
const drm_mga_private_t * const dev_priv =
(drm_mga_private_t *) dev->dev_private;
- DRM_COPY_FROM_USER_IOCTL(bootstrap,
- (drm_mga_dma_bootstrap_t __user *) data,
- sizeof(bootstrap));
-
- err = mga_do_dma_bootstrap(dev, & bootstrap);
+ err = mga_do_dma_bootstrap(dev, bootstrap);
if (err) {
mga_do_cleanup_dma(dev, FULL_CLEANUP);
return err;
}
if (dev_priv->agp_textures != NULL) {
- bootstrap.texture_handle = dev_priv->agp_textures->offset;
- bootstrap.texture_size = dev_priv->agp_textures->size;
+ bootstrap->texture_handle = dev_priv->agp_textures->offset;
+ bootstrap->texture_size = dev_priv->agp_textures->size;
} else {
- bootstrap.texture_handle = 0;
- bootstrap.texture_size = 0;
+ bootstrap->texture_handle = 0;
+ bootstrap->texture_size = 0;
}
- bootstrap.agp_mode = modes[bootstrap.agp_mode & 0x07];
-
- DRM_COPY_TO_USER_IOCTL((drm_mga_dma_bootstrap_t __user *)data,
- bootstrap, sizeof(bootstrap));
+ bootstrap->agp_mode = modes[bootstrap->agp_mode & 0x07];
return 0;
}
-static int mga_do_init_dma(drm_device_t * dev, drm_mga_init_t * init)
+static int mga_do_init_dma(struct drm_device * dev, drm_mga_init_t * init)
{
drm_mga_private_t *dev_priv;
int ret;
@@ -833,7 +826,7 @@ static int mga_do_init_dma(drm_device_t * dev, drm_mga_init_t * init)
dev_priv->sarea = drm_getsarea(dev);
if (!dev_priv->sarea) {
DRM_ERROR("failed to find sarea!\n");
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
if (! dev_priv->used_new_dma_init) {
@@ -844,28 +837,28 @@ static int mga_do_init_dma(drm_device_t * dev, drm_mga_init_t * init)
dev_priv->status = drm_core_findmap(dev, init->status_offset);
if (!dev_priv->status) {
DRM_ERROR("failed to find status page!\n");
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset);
if (!dev_priv->mmio) {
DRM_ERROR("failed to find mmio region!\n");
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
dev_priv->warp = drm_core_findmap(dev, init->warp_offset);
if (!dev_priv->warp) {
DRM_ERROR("failed to find warp microcode region!\n");
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
dev_priv->primary = drm_core_findmap(dev, init->primary_offset);
if (!dev_priv->primary) {
DRM_ERROR("failed to find primary dma region!\n");
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
dev->agp_buffer_token = init->buffers_offset;
dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
if (!dev->agp_buffer_map) {
DRM_ERROR("failed to find dma buffer region!\n");
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
drm_core_ioremap(dev_priv->warp, dev);
@@ -883,7 +876,7 @@ static int mga_do_init_dma(drm_device_t * dev, drm_mga_init_t * init)
((dev->agp_buffer_map == NULL) ||
(dev->agp_buffer_map->handle == NULL)))) {
DRM_ERROR("failed to ioremap agp regions!\n");
- return DRM_ERR(ENOMEM);
+ return -ENOMEM;
}
ret = mga_warp_install_microcode(dev_priv);
@@ -933,13 +926,13 @@ static int mga_do_init_dma(drm_device_t * dev, drm_mga_init_t * init)
if (mga_freelist_init(dev, dev_priv) < 0) {
DRM_ERROR("could not initialize freelist\n");
- return DRM_ERR(ENOMEM);
+ return -ENOMEM;
}
return 0;
}
-static int mga_do_cleanup_dma(drm_device_t * dev, int full_cleanup)
+static int mga_do_cleanup_dma(struct drm_device * dev, int full_cleanup)
{
int err = 0;
DRM_DEBUG("\n");
@@ -967,8 +960,8 @@ static int mga_do_cleanup_dma(drm_device_t * dev, int full_cleanup)
if (dev_priv->used_new_dma_init) {
if (dev_priv->agp_handle != 0) {
- drm_agp_binding_t unbind_req;
- drm_agp_buffer_t free_req;
+ struct drm_agp_binding unbind_req;
+ struct drm_agp_buffer free_req;
unbind_req.handle = dev_priv->agp_handle;
drm_agp_unbind(dev, &unbind_req);
@@ -1010,20 +1003,17 @@ static int mga_do_cleanup_dma(drm_device_t * dev, int full_cleanup)
return 0;
}
-int mga_dma_init(DRM_IOCTL_ARGS)
+int mga_dma_init(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- DRM_DEVICE;
- drm_mga_init_t init;
+ drm_mga_init_t *init = data;
int err;
- LOCK_TEST_WITH_RETURN(dev, filp);
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
- DRM_COPY_FROM_USER_IOCTL(init, (drm_mga_init_t __user *) data,
- sizeof(init));
-
- switch (init.func) {
+ switch (init->func) {
case MGA_INIT_DMA:
- err = mga_do_init_dma(dev, &init);
+ err = mga_do_init_dma(dev, init);
if (err) {
(void) mga_do_cleanup_dma(dev, FULL_CLEANUP);
}
@@ -1032,36 +1022,33 @@ int mga_dma_init(DRM_IOCTL_ARGS)
return mga_do_cleanup_dma(dev, FULL_CLEANUP);
}
- return DRM_ERR(EINVAL);
+ return -EINVAL;
}
/* ================================================================
* Primary DMA stream management
*/
-int mga_dma_flush(DRM_IOCTL_ARGS)
+int mga_dma_flush(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- DRM_DEVICE;
drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
- drm_lock_t lock;
-
- LOCK_TEST_WITH_RETURN(dev, filp);
+ struct drm_lock *lock = data;
- DRM_COPY_FROM_USER_IOCTL(lock, (drm_lock_t __user *) data,
- sizeof(lock));
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
DRM_DEBUG("%s%s%s\n",
- (lock.flags & _DRM_LOCK_FLUSH) ? "flush, " : "",
- (lock.flags & _DRM_LOCK_FLUSH_ALL) ? "flush all, " : "",
- (lock.flags & _DRM_LOCK_QUIESCENT) ? "idle, " : "");
+ (lock->flags & _DRM_LOCK_FLUSH) ? "flush, " : "",
+ (lock->flags & _DRM_LOCK_FLUSH_ALL) ? "flush all, " : "",
+ (lock->flags & _DRM_LOCK_QUIESCENT) ? "idle, " : "");
WRAP_WAIT_WITH_RETURN(dev_priv);
- if (lock.flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL)) {
+ if (lock->flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL)) {
mga_do_dma_flush(dev_priv);
}
- if (lock.flags & _DRM_LOCK_QUIESCENT) {
+ if (lock->flags & _DRM_LOCK_QUIESCENT) {
#if MGA_DMA_DEBUG
int ret = mga_do_wait_for_idle(dev_priv);
if (ret < 0)
@@ -1075,12 +1062,12 @@ int mga_dma_flush(DRM_IOCTL_ARGS)
}
}
-int mga_dma_reset(DRM_IOCTL_ARGS)
+int mga_dma_reset(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- DRM_DEVICE;
drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
- LOCK_TEST_WITH_RETURN(dev, filp);
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
return mga_do_dma_reset(dev_priv);
}
@@ -1089,76 +1076,72 @@ int mga_dma_reset(DRM_IOCTL_ARGS)
* DMA buffer management
*/
-static int mga_dma_get_buffers(DRMFILE filp, drm_device_t * dev, drm_dma_t * d)
+static int mga_dma_get_buffers(struct drm_device * dev,
+ struct drm_file *file_priv, struct drm_dma * d)
{
- drm_buf_t *buf;
+ struct drm_buf *buf;
int i;
for (i = d->granted_count; i < d->request_count; i++) {
buf = mga_freelist_get(dev);
if (!buf)
- return DRM_ERR(EAGAIN);
+ return -EAGAIN;
- buf->filp = filp;
+ buf->file_priv = file_priv;
if (DRM_COPY_TO_USER(&d->request_indices[i],
&buf->idx, sizeof(buf->idx)))
- return DRM_ERR(EFAULT);
+ return -EFAULT;
if (DRM_COPY_TO_USER(&d->request_sizes[i],
&buf->total, sizeof(buf->total)))
- return DRM_ERR(EFAULT);
+ return -EFAULT;
d->granted_count++;
}
return 0;
}
-int mga_dma_buffers(DRM_IOCTL_ARGS)
+int mga_dma_buffers(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- DRM_DEVICE;
- drm_device_dma_t *dma = dev->dma;
+ struct drm_device_dma *dma = dev->dma;
drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
- drm_dma_t __user *argp = (void __user *)data;
- drm_dma_t d;
+ struct drm_dma *d = data;
int ret = 0;
- LOCK_TEST_WITH_RETURN(dev, filp);
-
- DRM_COPY_FROM_USER_IOCTL(d, argp, sizeof(d));
+ LOCK_TEST_WITH_RETURN(dev, file_priv);
/* Please don't send us buffers.
*/
- if (d.send_count != 0) {
+ if (d->send_count != 0) {
DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n",
- DRM_CURRENTPID, d.send_count);
- return DRM_ERR(EINVAL);
+ DRM_CURRENTPID, d->send_count);
+ return -EINVAL;
}
/* We'll send you buffers.
*/
- if (d.request_count < 0 || d.request_count > dma->buf_count) {
+ if (d->request_count < 0 || d->request_count > dma->buf_count) {
DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
- DRM_CURRENTPID, d.request_count, dma->buf_count);
- return DRM_ERR(EINVAL);
+ DRM_CURRENTPID, d->request_count, dma->buf_count);
+ return -EINVAL;
}
WRAP_TEST_WITH_RETURN(dev_priv);
- d.granted_count = 0;
+ d->granted_count = 0;
- if (d.request_count) {
- ret = mga_dma_get_buffers(filp, dev, &d);
+ if (d->request_count) {
+ ret = mga_dma_get_buffers(dev, file_priv, d);
}
- DRM_COPY_TO_USER_IOCTL(argp, d, sizeof(d));
-
return ret;
}
/**
* Called just before the module is unloaded.
*/
-int mga_driver_unload(drm_device_t * dev)
+int mga_driver_unload(struct drm_device * dev)
{
drm_free(dev->dev_private, sizeof(drm_mga_private_t), DRM_MEM_DRIVER);
dev->dev_private = NULL;
@@ -1169,12 +1152,12 @@ int mga_driver_unload(drm_device_t * dev)
/**
* Called when the last opener of the device is closed.
*/
-void mga_driver_lastclose(drm_device_t * dev)
+void mga_driver_lastclose(struct drm_device * dev)
{
mga_do_cleanup_dma(dev, FULL_CLEANUP);
}
-int mga_driver_dma_quiescent(drm_device_t * dev)
+int mga_driver_dma_quiescent(struct drm_device * dev)
{
drm_mga_private_t *dev_priv = dev->dev_private;
return mga_do_wait_for_idle(dev_priv);