#include "drmP.h"
-#if PAGE_SIZE == 65536
-# define ATI_PCIGART_TABLE_ORDER 0
-# define ATI_PCIGART_TABLE_PAGES (1 << 0)
-#elif PAGE_SIZE == 16384
-# define ATI_PCIGART_TABLE_ORDER 1
-# define ATI_PCIGART_TABLE_PAGES (1 << 1)
-#elif PAGE_SIZE == 8192
-# define ATI_PCIGART_TABLE_ORDER 2
-# define ATI_PCIGART_TABLE_PAGES (1 << 2)
-#elif PAGE_SIZE == 4096
-# define ATI_PCIGART_TABLE_ORDER 3
-# define ATI_PCIGART_TABLE_PAGES (1 << 3)
-#else
-# error - PAGE_SIZE not 64K, 16K, 8K or 4K
-#endif
-
-# define ATI_MAX_PCIGART_PAGES 8192 /**< 32 MB aperture, 4K pages */
# define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */
-static void *drm_ati_alloc_pcigart_table(void)
+static int drm_ati_alloc_pcigart_table(struct drm_device *dev,
+ struct drm_ati_pcigart_info *gart_info)
{
- unsigned long address;
- struct page *page;
- int i;
- DRM_DEBUG("%s\n", __FUNCTION__);
-
- address = __get_free_pages(GFP_KERNEL | __GFP_COMP,
- ATI_PCIGART_TABLE_ORDER);
- if (address == 0UL) {
- return NULL;
- }
-
- page = virt_to_page(address);
+ gart_info->table_handle = drm_pci_alloc(dev, gart_info->table_size,
+ PAGE_SIZE,
+ gart_info->table_mask);
+ if (gart_info->table_handle == NULL)
+ return -ENOMEM;
- for (i = 0; i < ATI_PCIGART_TABLE_PAGES; i++, page++)
- SetPageReserved(page);
-
- DRM_DEBUG("%s: returning 0x%08lx\n", __FUNCTION__, address);
- return (void *)address;
+ return 0;
}
-static void drm_ati_free_pcigart_table(void *address)
+static void drm_ati_free_pcigart_table(struct drm_device *dev,
+ struct drm_ati_pcigart_info *gart_info)
{
- struct page *page;
- int i;
- DRM_DEBUG("%s\n", __FUNCTION__);
-
- page = virt_to_page((unsigned long)address);
-
- for (i = 0; i < ATI_PCIGART_TABLE_PAGES; i++, page++)
- ClearPageReserved(page);
-
- free_pages((unsigned long)address, ATI_PCIGART_TABLE_ORDER);
+ drm_pci_free(dev, gart_info->table_handle);
+ gart_info->table_handle = NULL;
}
-int drm_ati_pcigart_cleanup(drm_device_t *dev, drm_ati_pcigart_info *gart_info)
+int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info)
{
- drm_sg_mem_t *entry = dev->sg;
+ struct drm_sg_mem *entry = dev->sg;
unsigned long pages;
int i;
+ int max_pages;
/* we need to support large memory configurations */
if (!entry) {
}
if (gart_info->bus_addr) {
- if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) {
- pci_unmap_single(dev->pdev, gart_info->bus_addr,
- ATI_PCIGART_TABLE_PAGES * PAGE_SIZE,
- PCI_DMA_TODEVICE);
- }
- pages = (entry->pages <= ATI_MAX_PCIGART_PAGES)
- ? entry->pages : ATI_MAX_PCIGART_PAGES;
+ max_pages = (gart_info->table_size / sizeof(u32));
+ pages = (entry->pages <= max_pages)
+ ? entry->pages : max_pages;
for (i = 0; i < pages; i++) {
if (!entry->busaddr[i])
gart_info->bus_addr = 0;
}
- if (gart_info->gart_table_location == DRM_ATI_GART_MAIN
- && gart_info->addr) {
- drm_ati_free_pcigart_table(gart_info->addr);
- gart_info->addr = NULL;
+ if (gart_info->gart_table_location == DRM_ATI_GART_MAIN &&
+ gart_info->table_handle) {
+ drm_ati_free_pcigart_table(dev, gart_info);
}
return 1;
}
-
EXPORT_SYMBOL(drm_ati_pcigart_cleanup);
-int drm_ati_pcigart_init(drm_device_t *dev, drm_ati_pcigart_info *gart_info)
+int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info)
{
- drm_sg_mem_t *entry = dev->sg;
+ struct drm_sg_mem *entry = dev->sg;
void *address = NULL;
unsigned long pages;
- u32 *pci_gart, page_base, bus_address = 0;
+ u32 *pci_gart, page_base;
+ dma_addr_t bus_address = 0;
int i, j, ret = 0;
+ int max_pages;
if (!entry) {
DRM_ERROR("no scatter/gather memory!\n");
if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) {
DRM_DEBUG("PCI: no table in VRAM: using normal RAM\n");
- address = drm_ati_alloc_pcigart_table();
- if (!address) {
+ ret = drm_ati_alloc_pcigart_table(dev, gart_info);
+ if (ret) {
DRM_ERROR("cannot allocate PCI GART page!\n");
goto done;
}
- if (!dev->pdev) {
- DRM_ERROR("PCI device unknown!\n");
- goto done;
- }
-
- bus_address = pci_map_single(dev->pdev, address,
- ATI_PCIGART_TABLE_PAGES *
- PAGE_SIZE, PCI_DMA_TODEVICE);
- if (bus_address == 0) {
- DRM_ERROR("unable to map PCIGART pages!\n");
- drm_ati_free_pcigart_table(address);
- address = NULL;
- goto done;
- }
+ address = gart_info->table_handle->vaddr;
+ bus_address = gart_info->table_handle->busaddr;
} else {
address = gart_info->addr;
bus_address = gart_info->bus_addr;
pci_gart = (u32 *) address;
- pages = (entry->pages <= ATI_MAX_PCIGART_PAGES)
- ? entry->pages : ATI_MAX_PCIGART_PAGES;
+ max_pages = (gart_info->table_size / sizeof(u32));
+ pages = (entry->pages <= max_pages)
+ ? entry->pages : max_pages;
- memset(pci_gart, 0, ATI_MAX_PCIGART_PAGES * sizeof(u32));
+ memset(pci_gart, 0, max_pages * sizeof(u32));
for (i = 0; i < pages; i++) {
/* we need to support large memory configurations */
page_base = (u32) entry->busaddr[i];
for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) {
- if (gart_info->is_pcie)
+ switch(gart_info->gart_reg_if) {
+ case DRM_ATI_GART_IGP:
+ *pci_gart = cpu_to_le32((page_base) | 0xc);
+ break;
+ case DRM_ATI_GART_PCIE:
*pci_gart = cpu_to_le32((page_base >> 8) | 0xc);
- else
+ break;
+ default:
+ case DRM_ATI_GART_PCI:
*pci_gart = cpu_to_le32(page_base);
+ break;
+ }
pci_gart++;
page_base += ATI_PCIGART_PAGE_SIZE;
}
gart_info->bus_addr = bus_address;
return ret;
}
-
EXPORT_SYMBOL(drm_ati_pcigart_init);
projects / linux-2.6-omap-h63xx.git / blobdiff