1#ifndef _AMIFD_H 2#define _AMIFD_H 3 4/* Definitions for the Amiga floppy driver */ 5 6#include <linux/fd.h> 7 8#define FD_MAX_UNITS 4 /* Max. Number of drives */ 9#define FLOPPY_MAX_SECTORS 22 /* Max. Number of sectors per track */ 10 11#ifndef ASSEMBLER 12 13struct fd_data_type { 14 char *name; /* description of data type */ 15 int sects; /* sectors per track */ 16#ifdef __STDC__ 17 int (*read_fkt)(int); 18 void (*write_fkt)(int); 19#else 20 int (*read_fkt)(); /* read whole track */ 21 void (*write_fkt)(); /* write whole track */ 22#endif 23}; 24 25/* 26** Floppy type descriptions 27*/ 28 29struct fd_drive_type { 30 unsigned long code; /* code returned from drive */ 31 char *name; /* description of drive */ 32 unsigned int tracks; /* number of tracks */ 33 unsigned int heads; /* number of heads */ 34 unsigned int read_size; /* raw read size for one track */ 35 unsigned int write_size; /* raw write size for one track */ 36 unsigned int sect_mult; /* sectors and gap multiplier (HD = 2) */ 37 unsigned int precomp1; /* start track for precomp 1 */ 38 unsigned int precomp2; /* start track for precomp 2 */ 39 unsigned int step_delay; /* time (in ms) for delay after step */ 40 unsigned int settle_time; /* time to settle after dir change */ 41 unsigned int side_time; /* time needed to change sides */ 42}; 43 44struct amiga_floppy_struct { 45 struct fd_drive_type *type; /* type of floppy for this unit */ 46 struct fd_data_type *dtype; /* type of floppy for this unit */ 47 int track; /* current track (-1 == unknown) */ 48 unsigned char *trackbuf; /* current track (kmaloc()'d */ 49 50 int blocks; /* total # blocks on disk */ 51 52 int changed; /* true when not known */ 53 int disk; /* disk in drive (-1 == unknown) */ 54 int motor; /* true when motor is at speed */ 55 int busy; /* true when drive is active */ 56 int dirty; /* true when trackbuf is not on disk */ 57 int status; /* current error code for unit */ 58 struct gendisk *gendisk; 59}; 60#endif 61 62#endif 63