diff options
Diffstat (limited to 'src/include/isa.h')
| -rw-r--r-- | src/include/isa.h | 79 |
1 files changed, 65 insertions, 14 deletions
diff --git a/src/include/isa.h b/src/include/isa.h index fe5c557bc..7ac97ea05 100644 --- a/src/include/isa.h +++ b/src/include/isa.h @@ -2,27 +2,78 @@ #define ISA_H #include "isa_ids.h" +#include "dev.h" -struct dev; +/* + * A physical ISA device + * + */ +struct isa_device { + char *magic; /* must be first */ + unsigned int probe_idx; + uint16_t ioaddr; + int already_tried; +}; + +/* + * An individual ISA device, identified by probe address + * + */ +struct isa_probe_addr { + uint16_t addr; +} __attribute__ (( packed )); -struct isa_driver -{ - int type; +/* + * An ISA driver, with a probe address list and a probe_addr method. + * probe_addr() should return 1 if a card is physically present, + * leaving the other operations (read MAC address etc.) down to the + * main probe() routine. + * + */ +struct isa_driver { const char *name; - int (*probe)(struct dev *, unsigned short *); - unsigned short *ioaddrs; + struct isa_probe_addr *probe_addrs; + unsigned int addr_count; + int ( * probe_addr ) ( uint16_t addr ); + uint16_t mfg_id; + uint16_t prod_id; }; -#ifndef __HYPERSTONE__ -#define __isa_driver __attribute__ ((used,__section__(".drivers.isa"))) -#else -#define __isa_driver __attribute__ ((used,__section__(".drivisa"))) -#endif +/* + * Define an ISA driver + * + */ +#define ISA_DRIVER( _name, _probe_addrs, _probe_addr, _mfg_id, _prod_id ) { \ + .name = _name, \ + .probe_addrs = _probe_addrs, \ + .addr_count = sizeof ( _probe_addrs ) / sizeof ( probe_addrs[0] ), \ + .probe_addr = _probe_addr, \ + .mfg_id = _mfg_id, \ + .prod_id = _prod_id, \ +} + +/* + * ISA_ROM is parsed by parserom.pl to generate Makefile rules and + * files for rom-o-matic. + * + */ +#define ISA_ROM( IMAGE, DESCRIPTION ) -extern const struct isa_driver isa_drivers[]; -extern const struct isa_driver isa_drivers_end[]; +/* + * Functions in isa.c + * + */ +extern int find_isa_device ( struct isa_device *eisa, + struct isa_driver *driver ); +extern int find_isa_boot_device ( struct dev *dev, + struct isa_driver *driver ); -#define ISA_ROM(IMAGE, DESCRIPTION) +/* + * config.c defines isa_extra_probe_addrs and isa_extra_probe_addr_count. + * + */ +extern struct isa_probe_addr isa_extra_probe_addrs[]; +extern unsigned int isa_extra_probe_addr_count; #endif /* ISA_H */ |
