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author | Suren A. Chilingaryan <csa@dside.dyndns.org> | 2011-03-09 17:32:01 +0100 |
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committer | Suren A. Chilingaryan <csa@dside.dyndns.org> | 2011-03-09 17:32:01 +0100 |
commit | 134e2cc87d524bbb63c2e73dc1bb1fd8c0449ae1 (patch) | |
tree | 5f43a328cd43745ff3f2db4d864b2db4b81c35fd /pcilib.h | |
parent | a008b10d8488ef905a43de00ee5c8efd03b03ed6 (diff) | |
download | pcitool-134e2cc87d524bbb63c2e73dc1bb1fd8c0449ae1.tar.gz pcitool-134e2cc87d524bbb63c2e73dc1bb1fd8c0449ae1.tar.bz2 pcitool-134e2cc87d524bbb63c2e73dc1bb1fd8c0449ae1.tar.xz pcitool-134e2cc87d524bbb63c2e73dc1bb1fd8c0449ae1.zip |
Provide single header for library
Diffstat (limited to 'pcilib.h')
-rw-r--r-- | pcilib.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/pcilib.h b/pcilib.h new file mode 100644 index 0000000..7541c80 --- /dev/null +++ b/pcilib.h @@ -0,0 +1,126 @@ +#ifndef _PCITOOL_PCILIB_H +#define _PCITOOL_PCILIB_H + +#define PCILIB_MAX_BANKS 6 + +#include <stdint.h> + +#define pcilib_memcpy pcilib_memcpy32 +#define pcilib_datacpy pcilib_datacpy32 + +typedef struct pcilib_s pcilib_t; + +typedef uint8_t pcilib_bar_t; /**< Type holding the PCI Bar number */ +typedef uint8_t pcilib_register_t; /**< Type holding the register ID within the Bank */ +typedef uint8_t pcilib_register_addr_t; /**< Type holding the register ID within the Bank */ +typedef uint8_t pcilib_register_bank_t; /**< Type holding the register bank number */ +typedef uint8_t pcilib_register_bank_addr_t; /**< Type holding the register bank number */ +typedef uint8_t pcilib_register_size_t; /**< Type holding the size in bits of the register */ +typedef uint32_t pcilib_register_value_t; /**< Type holding the register value */ + +typedef enum { + PCILIB_LITTLE_ENDIAN = 0, + PCILIB_BIG_ENDIAN +} pcilib_endianess_t; + +typedef enum { + PCILIB_MODEL_DETECT, + PCILIB_MODEL_PCI, + PCILIB_MODEL_IPECAMERA +} pcilib_model_t; + +typedef enum { + PCILIB_REGISTER_R = 1, + PCILIB_REGISTER_W = 2, + PCILIB_REGISTER_RW = 3 +} pcilib_register_mode_t; + + +typedef enum { + PCILIB_DEFAULT_PROTOCOL, + IPECAMERA_REGISTER_PROTOCOL +} pcilib_register_protocol_t; + +#define PCILIB_BAR_DETECT ((pcilib_bar_t)-1) +#define PCILIB_REGISTER_INVALID ((pcilib_register_t)-1) +#define PCILIB_ADDRESS_INVALID ((uintptr_t)-1) +#define PCILIB_REGISTER_BANK_INVALID ((pcilib_register_bank_t)-1) +#define PCILIB_REGISTER_BANK0 0 +#define PCILIB_REGISTER_BANK1 1 +#define PCILIB_REGISTER_BANK2 2 +#define PCILIB_REGISTER_BANK3 3 + +typedef struct { + pcilib_register_bank_addr_t addr; + size_t size; + + pcilib_register_protocol_t protocol; + + uintptr_t read_addr; + uintptr_t write_addr; + uint8_t raw_endianess; + + uint8_t access; + uint8_t endianess; + + const char *name; + const char *description; +} pcilib_register_bank_description_t; + +typedef struct { + pcilib_register_addr_t addr; + pcilib_register_size_t bits; + pcilib_register_value_t defvalue; + pcilib_register_mode_t mode; + + pcilib_register_bank_t bank; + + const char *name; + const char *description; +} pcilib_register_description_t; + +/** + * Default mappings + */ +typedef struct { + uintptr_t start; + uintptr_t end; + pcilib_register_bank_t bank; +} pcilib_register_range_t; + +typedef struct { + int (*read)(pcilib_t *ctx, pcilib_register_bank_description_t *bank, pcilib_register_addr_t addr, uint8_t bits, pcilib_register_value_t *value); + int (*write)(pcilib_t *ctx, pcilib_register_bank_description_t *bank, pcilib_register_addr_t addr, uint8_t bits, pcilib_register_value_t value); +} pcilib_protocol_description_t; + +typedef struct { + pcilib_register_description_t *registers; + pcilib_register_bank_description_t *banks; + pcilib_register_range_t *ranges; +} pcilib_model_description_t; + +int pcilib_set_error_handler(void (*err)(const char *msg, ...)); + +pcilib_model_t pcilib_get_model(pcilib_t *ctx); + +pcilib_t *pcilib_open(const char *device, pcilib_model_t model); +void pcilib_close(pcilib_t *ctx); + +void *pcilib_map_bar(pcilib_t *ctx, pcilib_bar_t bar); +void pcilib_unmap_bar(pcilib_t *ctx, pcilib_bar_t bar, void *data); +char *pcilib_resolve_register_address(pcilib_t *ctx, uintptr_t addr); + +pcilib_register_bank_t pcilib_find_bank(pcilib_t *ctx, const char *bank); +pcilib_register_t pcilib_find_register(pcilib_t *ctx, const char *bank, const char *reg); + +int pcilib_read(pcilib_t *ctx, pcilib_bar_t bar, uintptr_t addr, size_t size, void *buf); +int pcilib_write(pcilib_t *ctx, pcilib_bar_t bar, uintptr_t addr, size_t size, void *buf); + +int pcilib_read_register_space(pcilib_t *ctx, const char *bank, pcilib_register_addr_t addr, size_t n, pcilib_register_value_t *buf); +int pcilib_write_register_space(pcilib_t *ctx, const char *bank, pcilib_register_addr_t addr, size_t n, pcilib_register_value_t *buf); +int pcilib_read_register_by_id(pcilib_t *ctx, pcilib_register_t reg, pcilib_register_value_t *value); +int pcilib_write_register_by_id(pcilib_t *ctx, pcilib_register_t reg, pcilib_register_value_t value); +int pcilib_read_register(pcilib_t *ctx, const char *bank, const char *regname, pcilib_register_value_t *value); +int pcilib_write_register(pcilib_t *ctx, const char *bank, const char *regname, pcilib_register_value_t value); + +#endif /* _PCITOOL_PCILIB_H */ |