diff options
Diffstat (limited to 'drivers/char/agp/agp.h')
| -rw-r--r-- | drivers/char/agp/agp.h | 139 |
1 files changed, 46 insertions, 93 deletions
diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h index b4af87c6f9c..b709749c863 100644 --- a/drivers/char/agp/agp.h +++ b/drivers/char/agp/agp.h @@ -19,9 +19,9 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE + * JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */ @@ -35,7 +35,7 @@ //#define AGP_DEBUG 1 #ifdef AGP_DEBUG -#define DBG(x,y...) printk (KERN_DEBUG PFX "%s: " x "\n", __FUNCTION__ , ## y) +#define DBG(x,y...) printk (KERN_DEBUG PFX "%s: " x "\n", __func__ , ## y) #else #define DBG(x,y...) do { } while (0) #endif @@ -53,11 +53,14 @@ enum aper_size_type { struct gatt_mask { unsigned long mask; u32 type; - /* totally device specific, for integrated chipsets that + /* totally device specific, for integrated chipsets that * might have different types of memory masks. For other * devices this will probably be ignored */ }; +#define AGP_PAGE_DESTROY_UNMAP 1 +#define AGP_PAGE_DESTROY_FREE 2 + struct aper_size_info_8 { int size; int num_entries; @@ -93,19 +96,18 @@ struct aper_size_info_fixed { struct agp_bridge_driver { struct module *owner; - void *aperture_sizes; + const void *aperture_sizes; int num_aperture_sizes; enum aper_size_type size_type; - int cant_use_aperture; - int needs_scratch_page; - struct gatt_mask *masks; + bool cant_use_aperture; + bool needs_scratch_page; + const struct gatt_mask *masks; int (*fetch_size)(void); int (*configure)(void); void (*agp_enable)(struct agp_bridge_data *, u32); void (*cleanup)(void); void (*tlb_flush)(struct agp_memory *); - unsigned long (*mask_memory)(struct agp_bridge_data *, - unsigned long, int); + unsigned long (*mask_memory)(struct agp_bridge_data *, dma_addr_t, int); void (*cache_flush)(void); int (*create_gatt_table)(struct agp_bridge_data *); int (*free_gatt_table)(struct agp_bridge_data *); @@ -113,14 +115,17 @@ struct agp_bridge_driver { int (*remove_memory)(struct agp_memory *, off_t, int); struct agp_memory *(*alloc_by_type) (size_t, int); void (*free_by_type)(struct agp_memory *); - void *(*agp_alloc_page)(struct agp_bridge_data *); - void (*agp_destroy_page)(void *); + struct page *(*agp_alloc_page)(struct agp_bridge_data *); + int (*agp_alloc_pages)(struct agp_bridge_data *, struct agp_memory *, size_t); + void (*agp_destroy_page)(struct page *, int flags); + void (*agp_destroy_pages)(struct agp_memory *); + int (*agp_type_to_mask_type) (struct agp_bridge_data *, int); }; struct agp_bridge_data { - struct agp_version *version; - struct agp_bridge_driver *driver; - struct vm_operations_struct *vm_ops; + const struct agp_version *version; + const struct agp_bridge_driver *driver; + const struct vm_operations_struct *vm_ops; void *previous_size; void *current_size; void *dev_private_data; @@ -128,7 +133,8 @@ struct agp_bridge_data { u32 __iomem *gatt_table; u32 *gatt_table_real; unsigned long scratch_page; - unsigned long scratch_page_real; + struct page *scratch_page_page; + dma_addr_t scratch_page_dma; unsigned long gart_bus_addr; unsigned long gatt_bus_addr; u32 mode; @@ -144,6 +150,9 @@ struct agp_bridge_data { char minor_version; struct list_head list; u32 apbase_config; + /* list of agp_memory mapped to the aperture */ + struct list_head mapped_list; + spinlock_t mapped_lock; }; #define KB(x) ((x) * 1024) @@ -163,73 +172,6 @@ struct agp_bridge_data { #define PGE_EMPTY(b, p) (!(p) || (p) == (unsigned long) (b)->scratch_page) -/* Intel registers */ -#define INTEL_APSIZE 0xb4 -#define INTEL_ATTBASE 0xb8 -#define INTEL_AGPCTRL 0xb0 -#define INTEL_NBXCFG 0x50 -#define INTEL_ERRSTS 0x91 - -/* Intel i830 registers */ -#define I830_GMCH_CTRL 0x52 -#define I830_GMCH_ENABLED 0x4 -#define I830_GMCH_MEM_MASK 0x1 -#define I830_GMCH_MEM_64M 0x1 -#define I830_GMCH_MEM_128M 0 -#define I830_GMCH_GMS_MASK 0x70 -#define I830_GMCH_GMS_DISABLED 0x00 -#define I830_GMCH_GMS_LOCAL 0x10 -#define I830_GMCH_GMS_STOLEN_512 0x20 -#define I830_GMCH_GMS_STOLEN_1024 0x30 -#define I830_GMCH_GMS_STOLEN_8192 0x40 -#define I830_RDRAM_CHANNEL_TYPE 0x03010 -#define I830_RDRAM_ND(x) (((x) & 0x20) >> 5) -#define I830_RDRAM_DDT(x) (((x) & 0x18) >> 3) - -/* This one is for I830MP w. an external graphic card */ -#define INTEL_I830_ERRSTS 0x92 - -/* Intel 855GM/852GM registers */ -#define I855_GMCH_GMS_STOLEN_0M 0x0 -#define I855_GMCH_GMS_STOLEN_1M (0x1 << 4) -#define I855_GMCH_GMS_STOLEN_4M (0x2 << 4) -#define I855_GMCH_GMS_STOLEN_8M (0x3 << 4) -#define I855_GMCH_GMS_STOLEN_16M (0x4 << 4) -#define I855_GMCH_GMS_STOLEN_32M (0x5 << 4) -#define I85X_CAPID 0x44 -#define I85X_VARIANT_MASK 0x7 -#define I85X_VARIANT_SHIFT 5 -#define I855_GME 0x0 -#define I855_GM 0x4 -#define I852_GME 0x2 -#define I852_GM 0x5 - -/* Intel i845 registers */ -#define INTEL_I845_AGPM 0x51 -#define INTEL_I845_ERRSTS 0xc8 - -/* Intel i860 registers */ -#define INTEL_I860_MCHCFG 0x50 -#define INTEL_I860_ERRSTS 0xc8 - -/* Intel i810 registers */ -#define I810_GMADDR 0x10 -#define I810_MMADDR 0x14 -#define I810_PTE_BASE 0x10000 -#define I810_PTE_MAIN_UNCACHED 0x00000000 -#define I810_PTE_LOCAL 0x00000002 -#define I810_PTE_VALID 0x00000001 -#define I810_SMRAM_MISCC 0x70 -#define I810_GFX_MEM_WIN_SIZE 0x00010000 -#define I810_GFX_MEM_WIN_32M 0x00010000 -#define I810_GMS 0x000000c0 -#define I810_GMS_DISABLE 0x00000000 -#define I810_PGETBL_CTL 0x2020 -#define I810_PGETBL_ENABLED 0x00000001 -#define I810_DRAM_CTL 0x3000 -#define I810_DRAM_ROW_0 0x00000001 -#define I810_DRAM_ROW_0_SDRAM 0x00000001 - struct agp_device_ids { unsigned short device_id; /* first, to make table easier to read */ enum chipset_type chipset; @@ -256,19 +198,30 @@ int agp_generic_insert_memory(struct agp_memory *mem, off_t pg_start, int type); int agp_generic_remove_memory(struct agp_memory *mem, off_t pg_start, int type); struct agp_memory *agp_generic_alloc_by_type(size_t page_count, int type); void agp_generic_free_by_type(struct agp_memory *curr); -void *agp_generic_alloc_page(struct agp_bridge_data *bridge); -void agp_generic_destroy_page(void *addr); +struct page *agp_generic_alloc_page(struct agp_bridge_data *bridge); +int agp_generic_alloc_pages(struct agp_bridge_data *agp_bridge, + struct agp_memory *memory, size_t page_count); +void agp_generic_destroy_page(struct page *page, int flags); +void agp_generic_destroy_pages(struct agp_memory *memory); void agp_free_key(int key); int agp_num_entries(void); u32 agp_collect_device_status(struct agp_bridge_data *bridge, u32 mode, u32 command); -void agp_device_command(u32 command, int agp_v3); +void agp_device_command(u32 command, bool agp_v3); int agp_3_5_enable(struct agp_bridge_data *bridge); void global_cache_flush(void); void get_agp_version(struct agp_bridge_data *bridge); unsigned long agp_generic_mask_memory(struct agp_bridge_data *bridge, - unsigned long addr, int type); + dma_addr_t phys, int type); +int agp_generic_type_to_mask_type(struct agp_bridge_data *bridge, + int type); struct agp_bridge_data *agp_generic_find_bridge(struct pci_dev *pdev); +/* generic functions for user-populated AGP memory types */ +struct agp_memory *agp_generic_alloc_user(size_t page_count, int type); +void agp_alloc_page_array(size_t size, struct agp_memory *mem); +void agp_free_page_array(struct agp_memory *mem); + + /* generic routines for agp>=3 */ int agp3_generic_fetch_size(void); void agp3_generic_tlbflush(struct agp_memory *mem); @@ -277,16 +230,16 @@ void agp3_generic_cleanup(void); /* aperture sizes have been standardised since v3 */ #define AGP_GENERIC_SIZES_ENTRIES 11 -extern struct aper_size_info_16 agp3_generic_sizes[]; - -#define virt_to_gart(x) (phys_to_gart(virt_to_phys(x))) -#define gart_to_virt(x) (phys_to_virt(gart_to_phys(x))) +extern const struct aper_size_info_16 agp3_generic_sizes[]; extern int agp_off; extern int agp_try_unsupported_boot; -/* Chipset independant registers (from AGP Spec) */ +long compat_agp_ioctl(struct file *file, unsigned int cmd, unsigned long arg); + +/* Chipset independent registers (from AGP Spec) */ #define AGP_APBASE 0x10 +#define AGP_APERTURE_BAR 0 #define AGPSTAT 0x4 #define AGPCMD 0x8 |
