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kolibrios/drivers/old/agp/agp.h
Sergey Semyonov (Serge) 007ea344db move old agp driver
git-svn-id: svn://kolibrios.org@1405 a494cfbc-eb01-0410-851d-a64ba20cac60
2010-02-12 17:41:37 +00:00

148 lines
3.7 KiB
C

/* 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)