| 0,0 → 1,147 |
|---|
| |
| /* Chipset independant registers (from AGP Spec) */ |
| #define AGP_APBASE 0x10 |
| |
| #define AGPSTAT 0x4 |
| #define AGPCMD 0x8 |
| #define AGPNISTAT 0xc |
| #define AGPCTRL 0x10 |
| #define AGPAPSIZE 0x14 |
| #define AGPNEPG 0x16 |
| #define AGPGARTLO 0x18 |
| #define AGPGARTHI 0x1c |
| #define AGPNICMD 0x20 |
| |
| |
| #define AGP_MAJOR_VERSION_SHIFT (20) |
| #define AGP_MINOR_VERSION_SHIFT (16) |
| |
| #define AGPSTAT_RQ_DEPTH (0xff000000) |
| #define AGPSTAT_RQ_DEPTH_SHIFT 24 |
| |
| #define AGPSTAT_CAL_MASK (1<<12|1<<11|1<<10) |
| #define AGPSTAT_ARQSZ (1<<15|1<<14|1<<13) |
| #define AGPSTAT_ARQSZ_SHIFT 13 |
| |
| #define AGPSTAT_SBA (1<<9) |
| #define AGPSTAT_AGP_ENABLE (1<<8) |
| #define AGPSTAT_FW (1<<4) |
| #define AGPSTAT_MODE_3_0 (1<<3) |
| |
| #define AGPSTAT2_1X (1<<0) |
| #define AGPSTAT2_2X (1<<1) |
| #define AGPSTAT2_4X (1<<2) |
| |
| #define AGPSTAT3_RSVD (1<<2) |
| #define AGPSTAT3_8X (1<<1) |
| #define AGPSTAT3_4X (1) |
| |
| #define AGPCTRL_APERENB (1<<8) |
| #define AGPCTRL_GTLBEN (1<<7) |
| |
| #define AGP2_RESERVED_MASK 0x00fffcc8 |
| #define AGP3_RESERVED_MASK 0x00ff00c4 |
| |
| #define AGP_ERRATA_FASTWRITES 1<<0 |
| #define AGP_ERRATA_SBA 1<<1 |
| #define AGP_ERRATA_1X 1<<2 |
| |
| |
| |
| /* Intel registers */ |
| #define INTEL_APSIZE 0xb4 |
| #define INTEL_ATTBASE 0xb8 |
| #define INTEL_AGPCTRL 0xb0 |
| #define INTEL_NBXCFG 0x50 |
| #define INTEL_ERRSTS 0x91 |
| |
| /* Intel i845 registers */ |
| #define INTEL_I845_AGPM 0x51 |
| #define INTEL_I845_ERRSTS 0xc8 |
| |
| /* Chipset independant registers (from AGP Spec) */ |
| #define AGP_APBASE 0x10 |
| |
| typedef struct |
| { |
| size_t size; |
| count_t num_entries; |
| count_t pages_count; |
| u32_t size_value; |
| }aper_size_t; |
| |
| typedef struct |
| { |
| PCITAG PciTag; |
| |
| aper_size_t *aperture_sizes; |
| aper_size_t *current_size; |
| aper_size_t *previous_size; |
| int aperture_size_idx; |
| |
| u32_t volatile *gatt_table; |
| addr_t gatt_dma; |
| |
| addr_t apbase_config; |
| addr_t gart_addr; |
| |
| u32_t flags; |
| u32_t mode; |
| |
| int capndx; |
| |
| char major_version; |
| char minor_version; |
| |
| // int num_aperture_sizes; |
| // enum aper_size_type size_type; |
| // int cant_use_aperture; |
| // int needs_scratch_page; |
| // struct gatt_mask *masks; |
| int (*fetch_size)(); |
| int (*configure)(); |
| // void (*agp_enable)(struct agp_bridge_data *, u32); |
| // void (*cleanup)(void); |
| void (*tlb_flush)(); |
| // u32_t (*mask_memory)(struct agp_bridge_data *,u32_t, int); |
| // void (*cache_flush)(void); |
| int (*create_gatt_table)(); |
| // int (*free_gatt_table)(struct agp_bridge_data *); |
| // int (*insert_memory)(struct agp_memory *, off_t, int); |
| // 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 *); |
| }agp_t; |
| |
| /* |
| * min()/max() macros that also do |
| * strict type-checking.. See the |
| * "unnecessary" pointer comparison. |
| */ |
| #define min(x,y) ({ \ |
| typeof(x) _x = (x); \ |
| typeof(y) _y = (y); \ |
| (void) (&_x == &_y); \ |
| _x < _y ? _x : _y; }) |
| |
| #define max(x,y) ({ \ |
| typeof(x) _x = (x); \ |
| typeof(y) _y = (y); \ |
| (void) (&_x == &_y); \ |
| _x > _y ? _x : _y; }) |
| |
| |
| #define min_t(type,x,y) \ |
| ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; }) |
| #define max_t(type,x,y) \ |
| ({ type __x = (x); type __y = (y); __x > __y ? __x: __y; }) |
| |
| #define PCI_ANY_ID (~0) |
| |
| #define for_each_pci_dev(d) while ((d = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, d))!=-1) |
| |
| |
| |
| |