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path: root/drivers/char/drm/mga_dma.c
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Diffstat (limited to 'drivers/char/drm/mga_dma.c')
-rw-r--r--drivers/char/drm/mga_dma.c158
1 files changed, 98 insertions, 60 deletions
diff --git a/drivers/char/drm/mga_dma.c b/drivers/char/drm/mga_dma.c
index 70dc7f64b7b9..c2a4bac14521 100644
--- a/drivers/char/drm/mga_dma.c
+++ b/drivers/char/drm/mga_dma.c
@@ -44,7 +44,9 @@
#define MGA_DEFAULT_USEC_TIMEOUT 10000
#define MGA_FREELIST_DEBUG 0
-static int mga_do_cleanup_dma(drm_device_t * dev);
+#define MINIMAL_CLEANUP 0
+#define FULL_CLEANUP 1
+static int mga_do_cleanup_dma(drm_device_t *dev, int full_cleanup);
/* ================================================================
* Engine control
@@ -391,7 +393,7 @@ int mga_freelist_put(drm_device_t * dev, drm_buf_t * buf)
* DMA initialization, cleanup
*/
-int mga_driver_preinit(drm_device_t * dev, unsigned long flags)
+int mga_driver_load(drm_device_t * dev, unsigned long flags)
{
drm_mga_private_t *dev_priv;
@@ -405,6 +407,14 @@ int mga_driver_preinit(drm_device_t * dev, unsigned long flags)
dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT;
dev_priv->chipset = flags;
+ dev_priv->mmio_base = drm_get_resource_start(dev, 1);
+ dev_priv->mmio_size = drm_get_resource_len(dev, 1);
+
+ dev->counters += 3;
+ dev->types[6] = _DRM_STAT_IRQ;
+ dev->types[7] = _DRM_STAT_PRIMARY;
+ dev->types[8] = _DRM_STAT_SECONDARY;
+
return 0;
}
@@ -438,17 +448,19 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev,
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;
/* Acquire AGP. */
err = drm_agp_acquire(dev);
if (err) {
- DRM_ERROR("Unable to acquire AGP\n");
+ DRM_ERROR("Unable to acquire AGP: %d\n", err);
return err;
}
err = drm_agp_info(dev, &info);
if (err) {
- DRM_ERROR("Unable to get AGP info\n");
+ DRM_ERROR("Unable to get AGP info: %d\n", err);
return err;
}
@@ -472,18 +484,24 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev,
}
/* Allocate and bind AGP memory. */
- dev_priv->agp_pages = agp_size / PAGE_SIZE;
- dev_priv->agp_mem = drm_alloc_agp(dev, dev_priv->agp_pages, 0);
- if (dev_priv->agp_mem == NULL) {
- dev_priv->agp_pages = 0;
+ agp_req.size = agp_size;
+ agp_req.type = 0;
+ err = drm_agp_alloc(dev, &agp_req);
+ if (err) {
+ dev_priv->agp_size = 0;
DRM_ERROR("Unable to allocate %uMB AGP memory\n",
dma_bs->agp_size);
- return DRM_ERR(ENOMEM);
+ return err;
}
+
+ dev_priv->agp_size = agp_size;
+ dev_priv->agp_handle = agp_req.handle;
- err = drm_bind_agp(dev_priv->agp_mem, 0);
+ bind_req.handle = agp_req.handle;
+ bind_req.offset = 0;
+ err = drm_agp_bind(dev, &bind_req);
if (err) {
- DRM_ERROR("Unable to bind AGP memory\n");
+ DRM_ERROR("Unable to bind AGP memory: %d\n", err);
return err;
}
@@ -497,7 +515,7 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev,
err = drm_addmap(dev, offset, warp_size,
_DRM_AGP, _DRM_READ_ONLY, &dev_priv->warp);
if (err) {
- DRM_ERROR("Unable to map WARP microcode\n");
+ DRM_ERROR("Unable to map WARP microcode: %d\n", err);
return err;
}
@@ -505,7 +523,7 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev,
err = drm_addmap(dev, offset, dma_bs->primary_size,
_DRM_AGP, _DRM_READ_ONLY, &dev_priv->primary);
if (err) {
- DRM_ERROR("Unable to map primary DMA region\n");
+ DRM_ERROR("Unable to map primary DMA region: %d\n", err);
return err;
}
@@ -513,7 +531,7 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev,
err = drm_addmap(dev, offset, secondary_size,
_DRM_AGP, 0, &dev->agp_buffer_map);
if (err) {
- DRM_ERROR("Unable to map secondary DMA region\n");
+ DRM_ERROR("Unable to map secondary DMA region: %d\n", err);
return err;
}
@@ -525,15 +543,29 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev,
err = drm_addbufs_agp(dev, &req);
if (err) {
- DRM_ERROR("Unable to add secondary DMA buffers\n");
+ DRM_ERROR("Unable to add secondary DMA buffers: %d\n", err);
return err;
}
+ {
+ drm_map_list_t *_entry;
+ unsigned long agp_token = 0;
+
+ list_for_each_entry(_entry, &dev->maplist->head, head) {
+ if (_entry->map == dev->agp_buffer_map)
+ agp_token = _entry->user_token;
+ }
+ if (!agp_token)
+ return -EFAULT;
+
+ dev->agp_buffer_token = agp_token;
+ }
+
offset += secondary_size;
err = drm_addmap(dev, offset, agp_size - offset,
_DRM_AGP, 0, &dev_priv->agp_textures);
if (err) {
- DRM_ERROR("Unable to map AGP texture region\n");
+ DRM_ERROR("Unable to map AGP texture region %d\n", err);
return err;
}
@@ -603,7 +635,8 @@ static int mga_do_pci_dma_bootstrap(drm_device_t * dev,
err = drm_addmap(dev, 0, warp_size, _DRM_CONSISTENT,
_DRM_READ_ONLY, &dev_priv->warp);
if (err != 0) {
- DRM_ERROR("Unable to create mapping for WARP microcode\n");
+ DRM_ERROR("Unable to create mapping for WARP microcode: %d\n",
+ err);
return err;
}
@@ -622,7 +655,7 @@ static int mga_do_pci_dma_bootstrap(drm_device_t * dev,
}
if (err != 0) {
- DRM_ERROR("Unable to allocate primary DMA region\n");
+ DRM_ERROR("Unable to allocate primary DMA region: %d\n", err);
return DRM_ERR(ENOMEM);
}
@@ -646,7 +679,7 @@ static int mga_do_pci_dma_bootstrap(drm_device_t * dev,
}
if (bin_count == 0) {
- DRM_ERROR("Unable to add secondary DMA buffers\n");
+ DRM_ERROR("Unable to add secondary DMA buffers: %d\n", err);
return err;
}
@@ -682,7 +715,7 @@ static int mga_do_dma_bootstrap(drm_device_t * dev,
err = drm_addmap(dev, dev_priv->mmio_base, dev_priv->mmio_size,
_DRM_REGISTERS, _DRM_READ_ONLY, &dev_priv->mmio);
if (err) {
- DRM_ERROR("Unable to map MMIO region\n");
+ DRM_ERROR("Unable to map MMIO region: %d\n", err);
return err;
}
@@ -690,7 +723,7 @@ static int mga_do_dma_bootstrap(drm_device_t * dev,
_DRM_READ_ONLY | _DRM_LOCKED | _DRM_KERNEL,
&dev_priv->status);
if (err) {
- DRM_ERROR("Unable to map status region\n");
+ DRM_ERROR("Unable to map status region: %d\n", err);
return err;
}
@@ -708,7 +741,7 @@ static int mga_do_dma_bootstrap(drm_device_t * dev,
*/
if (err) {
- mga_do_cleanup_dma(dev);
+ mga_do_cleanup_dma(dev, MINIMAL_CLEANUP);
}
/* Not only do we want to try and initialized PCI cards for PCI DMA,
@@ -731,35 +764,32 @@ int mga_dma_bootstrap(DRM_IOCTL_ARGS)
DRM_DEVICE;
drm_mga_dma_bootstrap_t bootstrap;
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);
- if (!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;
-
- if (dev_priv->agp_textures != NULL) {
- 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;
- }
+ if (err) {
+ mga_do_cleanup_dma(dev, FULL_CLEANUP);
+ return err;
+ }
- bootstrap.agp_mode = modes[bootstrap.agp_mode & 0x07];
- if (DRM_COPY_TO_USER((void __user *)data, &bootstrap,
- sizeof(bootstrap))) {
- err = DRM_ERR(EFAULT);
- }
+ if (dev_priv->agp_textures != NULL) {
+ bootstrap.texture_handle = dev_priv->agp_textures->offset;
+ bootstrap.texture_size = dev_priv->agp_textures->size;
} else {
- mga_do_cleanup_dma(dev);
+ 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));
+
return err;
}
@@ -853,13 +883,13 @@ static int mga_do_init_dma(drm_device_t * dev, drm_mga_init_t * init)
ret = mga_warp_install_microcode(dev_priv);
if (ret < 0) {
- DRM_ERROR("failed to install WARP ucode!\n");
+ DRM_ERROR("failed to install WARP ucode!: %d\n", ret);
return ret;
}
ret = mga_warp_init(dev_priv);
if (ret < 0) {
- DRM_ERROR("failed to init WARP engine!\n");
+ DRM_ERROR("failed to init WARP engine!: %d\n", ret);
return ret;
}
@@ -904,7 +934,7 @@ static int mga_do_init_dma(drm_device_t * dev, drm_mga_init_t * init)
return 0;
}
-static int mga_do_cleanup_dma(drm_device_t * dev)
+static int mga_do_cleanup_dma(drm_device_t *dev, int full_cleanup)
{
int err = 0;
DRM_DEBUG("\n");
@@ -932,31 +962,39 @@ static int mga_do_cleanup_dma(drm_device_t * dev)
if (dev_priv->used_new_dma_init) {
#if __OS_HAS_AGP
- if (dev_priv->agp_mem != NULL) {
- dev_priv->agp_textures = NULL;
- drm_unbind_agp(dev_priv->agp_mem);
+ if (dev_priv->agp_handle != 0) {
+ drm_agp_binding_t unbind_req;
+ drm_agp_buffer_t free_req;
+
+ unbind_req.handle = dev_priv->agp_handle;
+ drm_agp_unbind(dev, &unbind_req);
- drm_free_agp(dev_priv->agp_mem,
- dev_priv->agp_pages);
- dev_priv->agp_pages = 0;
- dev_priv->agp_mem = NULL;
+ free_req.handle = dev_priv->agp_handle;
+ drm_agp_free(dev, &free_req);
+
+ dev_priv->agp_textures = NULL;
+ dev_priv->agp_size = 0;
+ dev_priv->agp_handle = 0;
}
if ((dev->agp != NULL) && dev->agp->acquired) {
err = drm_agp_release(dev);
}
#endif
- dev_priv->used_new_dma_init = 0;
}
dev_priv->warp = NULL;
dev_priv->primary = NULL;
- dev_priv->mmio = NULL;
- dev_priv->status = NULL;
dev_priv->sarea = NULL;
dev_priv->sarea_priv = NULL;
dev->agp_buffer_map = NULL;
+ if (full_cleanup) {
+ dev_priv->mmio = NULL;
+ dev_priv->status = NULL;
+ dev_priv->used_new_dma_init = 0;
+ }
+
memset(&dev_priv->prim, 0, sizeof(dev_priv->prim));
dev_priv->warp_pipe = 0;
memset(dev_priv->warp_pipe_phys, 0,
@@ -967,7 +1005,7 @@ static int mga_do_cleanup_dma(drm_device_t * dev)
}
}
- return err;
+ return 0;
}
int mga_dma_init(DRM_IOCTL_ARGS)
@@ -985,11 +1023,11 @@ int mga_dma_init(DRM_IOCTL_ARGS)
case MGA_INIT_DMA:
err = mga_do_init_dma(dev, &init);
if (err) {
- (void)mga_do_cleanup_dma(dev);
+ (void)mga_do_cleanup_dma(dev, FULL_CLEANUP);
}
return err;
case MGA_CLEANUP_DMA:
- return mga_do_cleanup_dma(dev);
+ return mga_do_cleanup_dma(dev, FULL_CLEANUP);
}
return DRM_ERR(EINVAL);
@@ -1118,7 +1156,7 @@ int mga_dma_buffers(DRM_IOCTL_ARGS)
/**
* Called just before the module is unloaded.
*/
-int mga_driver_postcleanup(drm_device_t * dev)
+int mga_driver_unload(drm_device_t * dev)
{
drm_free(dev->dev_private, sizeof(drm_mga_private_t), DRM_MEM_DRIVER);
dev->dev_private = NULL;
@@ -1129,9 +1167,9 @@ int mga_driver_postcleanup(drm_device_t * dev)
/**
* Called when the last opener of the device is closed.
*/
-void mga_driver_pretakedown(drm_device_t * dev)
+void mga_driver_lastclose(drm_device_t * dev)
{
- mga_do_cleanup_dma(dev);
+ mga_do_cleanup_dma(dev, FULL_CLEANUP);
}
int mga_driver_dma_quiescent(drm_device_t * dev)