mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-19 05:12:45 +03:00
148 lines
3.7 KiB
C
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)
|
|
|
|
|
|
|
|
|