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/* SPDX-License-Identifier: GPL-2.0 */
#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 */
struct gendisk *gendisk;
};
#endif
#endif
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