amifd.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:2k
- #ifndef _AMIFD_H
- #define _AMIFD_H
- /* Definitions for the Amiga floppy driver */
- #include <linux/fd.h>
- #define FD_MAX_UNITS 4 /* Max. Number of drives */
- #define FLOPPY_MAX_SECTORS 22 /* Max. Number of sectors per track */
- #ifndef ASSEMBLER
- struct fd_data_type {
- char *name; /* description of data type */
- int sects; /* sectors per track */
- #ifdef __STDC__
- int (*read_fkt)(int);
- void (*write_fkt)(int);
- #else
- int (*read_fkt)(); /* read whole track */
- void (*write_fkt)(); /* write whole track */
- #endif
- };
- /*
- ** Floppy type descriptions
- */
- struct fd_drive_type {
- unsigned long code; /* code returned from drive */
- char *name; /* description of drive */
- unsigned int tracks; /* number of tracks */
- unsigned int heads; /* number of heads */
- unsigned int read_size; /* raw read size for one track */
- unsigned int write_size; /* raw write size for one track */
- unsigned int sect_mult; /* sectors and gap multiplier (HD = 2) */
- unsigned int precomp1; /* start track for precomp 1 */
- unsigned int precomp2; /* start track for precomp 2 */
- unsigned int step_delay; /* time (in ms) for delay after step */
- unsigned int settle_time; /* time to settle after dir change */
- unsigned int side_time; /* time needed to change sides */
- };
- struct amiga_floppy_struct {
- struct fd_drive_type *type; /* type of floppy for this unit */
- struct fd_data_type *dtype; /* type of floppy for this unit */
- int track; /* current track (-1 == unknown) */
- unsigned char *trackbuf; /* current track (kmaloc()'d */
- int blocks; /* total # blocks on disk */
- int changed; /* true when not known */
- int disk; /* disk in drive (-1 == unknown) */
- int motor; /* true when motor is at speed */
- int busy; /* true when drive is active */
- int dirty; /* true when trackbuf is not on disk */
- int status; /* current error code for unit */
- };
- #endif
- #endif