aboutsummaryrefslogtreecommitdiff
path: root/drivers/char/agp/agp.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/agp/agp.h')
-rw-r--r--drivers/char/agp/agp.h139
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