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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | #ifndef _AMIFD_H |
3 | #define _AMIFD_H | |
4 | ||
5 | /* Definitions for the Amiga floppy driver */ | |
6 | ||
7 | #include <linux/fd.h> | |
8 | ||
9 | #define FD_MAX_UNITS 4 /* Max. Number of drives */ | |
10 | #define FLOPPY_MAX_SECTORS 22 /* Max. Number of sectors per track */ | |
11 | ||
12 | #ifndef ASSEMBLER | |
13 | ||
14 | struct fd_data_type { | |
15 | char *name; /* description of data type */ | |
16 | int sects; /* sectors per track */ | |
17 | #ifdef __STDC__ | |
18 | int (*read_fkt)(int); | |
19 | void (*write_fkt)(int); | |
20 | #else | |
21 | int (*read_fkt)(); /* read whole track */ | |
22 | void (*write_fkt)(); /* write whole track */ | |
23 | #endif | |
24 | }; | |
25 | ||
26 | /* | |
27 | ** Floppy type descriptions | |
28 | */ | |
29 | ||
30 | struct fd_drive_type { | |
31 | unsigned long code; /* code returned from drive */ | |
32 | char *name; /* description of drive */ | |
33 | unsigned int tracks; /* number of tracks */ | |
34 | unsigned int heads; /* number of heads */ | |
35 | unsigned int read_size; /* raw read size for one track */ | |
36 | unsigned int write_size; /* raw write size for one track */ | |
37 | unsigned int sect_mult; /* sectors and gap multiplier (HD = 2) */ | |
38 | unsigned int precomp1; /* start track for precomp 1 */ | |
39 | unsigned int precomp2; /* start track for precomp 2 */ | |
40 | unsigned int step_delay; /* time (in ms) for delay after step */ | |
41 | unsigned int settle_time; /* time to settle after dir change */ | |
42 | unsigned int side_time; /* time needed to change sides */ | |
43 | }; | |
44 | ||
45 | struct amiga_floppy_struct { | |
46 | struct fd_drive_type *type; /* type of floppy for this unit */ | |
47 | struct fd_data_type *dtype; /* type of floppy for this unit */ | |
48 | int track; /* current track (-1 == unknown) */ | |
49 | unsigned char *trackbuf; /* current track (kmaloc()'d */ | |
50 | ||
51 | int blocks; /* total # blocks on disk */ | |
52 | ||
53 | int changed; /* true when not known */ | |
54 | int disk; /* disk in drive (-1 == unknown) */ | |
55 | int motor; /* true when motor is at speed */ | |
56 | int busy; /* true when drive is active */ | |
57 | int dirty; /* true when trackbuf is not on disk */ | |
58 | int status; /* current error code for unit */ | |
59 | struct gendisk *gendisk; | |
60 | }; | |
61 | #endif | |
62 | ||
63 | #endif |