/* 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