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