drm: add radeon PCI express support
Add support for Radeon PCI Express cards (needs a new X.org DDX)
Also allows PCI GART table to be stored in VRAM for non PCIE cards
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h
index 6f98701..c164c76 100644
--- a/drivers/char/drm/drmP.h
+++ b/drivers/char/drm/drmP.h
@@ -532,6 +532,17 @@
} drm_vbl_sig_t;
+/* location of GART table */
+#define DRM_ATI_GART_MAIN 1
+#define DRM_ATI_GART_FB 2
+
+typedef struct ati_pcigart_info {
+ int gart_table_location;
+ int is_pcie;
+ unsigned long addr;
+ dma_addr_t bus_addr;
+} drm_ati_pcigart_info;
+
/**
* DRM driver structure. This structure represent the common code for
* a family of cards. There will one drm_device for each card present
@@ -975,12 +986,8 @@
unsigned int cmd, unsigned long arg);
/* ATI PCIGART support (ati_pcigart.h) */
-extern int drm_ati_pcigart_init(drm_device_t *dev,
- unsigned long *addr,
- dma_addr_t *bus_addr);
-extern int drm_ati_pcigart_cleanup(drm_device_t *dev,
- unsigned long addr,
- dma_addr_t bus_addr);
+extern int drm_ati_pcigart_init(drm_device_t * dev, drm_ati_pcigart_info *gart_info);
+extern int drm_ati_pcigart_cleanup(drm_device_t * dev, drm_ati_pcigart_info *gart_info);
extern drm_dma_handle_t *drm_pci_alloc(drm_device_t *dev, size_t size,
size_t align, dma_addr_t maxaddr);
@@ -1038,6 +1045,11 @@
return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP);
}
+static __inline__ int drm_device_is_pcie(drm_device_t *dev)
+{
+ return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP);
+}
+
static __inline__ void drm_core_dropmap(struct drm_map *map)
{
}