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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License, Version 1.0 only
      6  * (the "License").  You may not use this file except in compliance
      7  * with the License.
      8  *
      9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10  * or http://www.opensolaris.org/os/licensing.
     11  * See the License for the specific language governing permissions
     12  * and limitations under the License.
     13  *
     14  * When distributing Covered Code, include this CDDL HEADER in each
     15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16  * If applicable, add the following below this CDDL HEADER, with the
     17  * fields enclosed by brackets "[]" replaced with your own identifying
     18  * information: Portions Copyright [yyyy] [name of copyright owner]
     19  *
     20  * CDDL HEADER END
     21  */
     22 /*
     23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #ifndef _SYS_FDIO_H
     28 #define	_SYS_FDIO_H
     29 
     30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     31 
     32 #ifdef	__cplusplus
     33 extern "C" {
     34 #endif
     35 
     36 /*
     37  * Floppy Disk Characteristic Structure
     38  */
     39 struct fd_char {
     40 	uchar_t fdc_medium;		/* medium type. */
     41 	int fdc_transfer_rate;		/* transfer rate */
     42 	int fdc_ncyl;			/* number of cylinders */
     43 	int fdc_nhead;			/* number of heads */
     44 	int fdc_sec_size;		/* sector size */
     45 	int fdc_secptrack;		/* sectors per track */
     46 	int fdc_steps;			/* number of steps per  */
     47 };
     48 
     49 /*
     50  * Floppy State Structure
     51  */
     52 struct fd_state {
     53 	int	fds_bsec;		/* bytes per sector */
     54 	int 	fds_strack;		/* sectors per track */
     55 	int	fds_step;		/* step rate */
     56 	int	fds_rate;		/* data rate */
     57 	int	fds_error;		/* error returned by controller */
     58 };
     59 
     60 /*
     61  * Used by FDGETCHANGE, return state of the sense disk change bit.
     62  */
     63 #define	FDGC_HISTORY	0x01	/* disk has changed since last i/o */
     64 #define	FDGC_CURRENT	0x02	/* current state of disk change */
     65 #define	FDGC_CURWPROT	0x10	/* current state of write protect */
     66 #define	FDGC_DETECTED	0x20	/* previous state of DISK CHANGE */
     67 
     68 /*
     69  * Used by FD{G, S}ETDRIVECHAR
     70  */
     71 struct fd_drive {
     72 	int fdd_ejectable;	/* does the drive support eject? */
     73 	int fdd_maxsearch;	/* size of per-unit search table */
     74 
     75 	int fdd_writeprecomp;	/* cyl to start write prcompensation */
     76 	int fdd_writereduce;	/* cyl to start recucing write current */
     77 	int fdd_stepwidth;	/* width of step pulse in 1 us units */
     78 	int fdd_steprate;	/* step rate in 100 us units */
     79 	int fdd_headsettle;	/* delay, in 100 us units */
     80 	int fdd_headload;	/* delay, in 100 us units */
     81 	int fdd_headunload;	/* delay, in 100 us units */
     82 	int fdd_motoron;	/* delay, in 100 ms units */
     83 	int fdd_motoroff;	/* delay, in 100 ms units */
     84 	int fdd_precomplevel;	/* bit shift, in nano-secs */
     85 	int fdd_pins;		/* defines meaning of pin 1, 2, 4, and 34 */
     86 	int fdd_flags;		/* TRUE READY, Starting Sector #, & Motor On */
     87 };
     88 
     89 /*
     90  * fdd_flags:
     91  */
     92 #define	FDD_READY	0x1
     93 #define	FDD_MOTON	0x2
     94 #define	FDD_POLLABLE	0x4
     95 
     96 /*
     97  * Used by FD{G, S}ETSEARCH
     98  */
     99 struct fd_search {
    100 	int	fds_numentries; /* number of elements in the table */
    101 	struct	fd_char *fds_search;
    102 };
    103 
    104 /*
    105  * Used by FDIOCMD
    106  */
    107 struct fd_cmd {
    108 	ushort_t	fdc_cmd;	/* command to be executed */
    109 	int		fdc_flags;	/* execution flags */
    110 	daddr_t		fdc_blkno;	/* disk address for command */
    111 	int		fdc_secnt;	/* sector count for command */
    112 	caddr_t		fdc_bufaddr;	/* user's buffer address */
    113 	uint_t		fdc_buflen;	/* size of user's buffer */
    114 };
    115 
    116 #if defined(_SYSCALL32)
    117 struct fd_cmd32 {
    118 	ushort_t	fdc_cmd;	/* command to be executed */
    119 	int		fdc_flags;	/* execution flags */
    120 	daddr32_t	fdc_blkno;	/* disk address for command */
    121 	int		fdc_secnt;	/* sector count for command */
    122 	caddr32_t	fdc_bufaddr;	/* user's buffer address */
    123 	uint_t		fdc_buflen;	/* size of user's buffer */
    124 };
    125 #endif /* _SYSCALL32 */
    126 
    127 /*
    128  * Floppy commands
    129  */
    130 #define	FDCMD_WRITE		1
    131 #define	FDCMD_READ		2
    132 #define	FDCMD_SEEK		3
    133 #define	FDCMD_REZERO		4
    134 #define	FDCMD_FORMAT_UNIT 	5
    135 #define	FDCMD_FORMAT_TRACK	6
    136 
    137 /*
    138  * Execution flags.
    139  */
    140 #define	FD_SILENT	0x01		/* no error messages */
    141 #define	FD_DIAGNOSE	0x02		/* fail if any error occurs */
    142 #define	FD_ISOLATE	0x04		/* isolate from normal commands */
    143 #define	FD_READ		0x08		/* read from device */
    144 #define	FD_WRITE	0x10		/* write to  device */
    145 
    146 /*
    147  * Used by FDRAW
    148  */
    149 struct fd_raw {
    150 	char	fdr_cmd[10];	/* user-supplied command bytes */
    151 	short   fdr_cnum;	/* number of command bytes */
    152 	char    fdr_result[10];	/* controller-supplied result bytes */
    153 	ushort_t fdr_nbytes;	/* number to transfer if read/write command */
    154 	caddr_t	fdr_addr;	/* where to transfer if read/write command */
    155 };
    156 
    157 #ifdef _SYSCALL32
    158 
    159 struct fd_raw32 {
    160 	char	fdr_cmd[10];	/* user-supplied command bytes */
    161 	short   fdr_cnum;	/* number of command bytes */
    162 	char    fdr_result[10];	/* controller-supplied result bytes */
    163 	ushort_t fdr_nbytes;	/* number to transfer if read/write command */
    164 	caddr32_t fdr_addr;	/* where to transfer if read/write command */
    165 };
    166 
    167 #endif	/* _SYSCALL32 */
    168 
    169 
    170 /*
    171  * Floppy raw commands
    172  */
    173 #define	FDRAW_SPECIFY	0x03
    174 #define	FDRAW_READID	0x0a
    175 #define	FDRAW_SENSE_DRV	0x04
    176 #define	FDRAW_REZERO	0x07
    177 #define	FDRAW_SEEK	0x0f
    178 #define	FDRAW_SENSE_INT	0x08
    179 #define	FDRAW_FORMAT	0x0d
    180 #define	FDRAW_READTRACK	0x02
    181 #define	FDRAW_WRCMD	0x05
    182 #define	FDRAW_RDCMD	0x06
    183 #define	FDRAW_WRITEDEL	0x09
    184 #define	FDRAW_READDEL	0x0c
    185 
    186 
    187 /*
    188  * Disk io control commands
    189  */
    190 #define	FDIOC		(0x04 << 8)
    191 #define	FDIOGCHAR	(FDIOC|51)		/* GetCharacteristics */
    192 #define	FDIOSCHAR	(FDIOC|52)		/* SetCharacteristics */
    193 #define	FDEJECT		(FDIOC|53)		/* Eject floppy disk */
    194 #define	FDGETCHANGE	(FDIOC|54)		/* Get diskchng stat */
    195 #define	FDGETDRIVECHAR	(FDIOC|55)		/* Get drivechar */
    196 #define	FDSETDRIVECHAR	(FDIOC|56)		/* Set drivechar */
    197 #define	FDGETSEARCH	(FDIOC|57)		/* Get search tbl */
    198 #define	FDSETSEARCH	(FDIOC|58)		/* Set search tbl */
    199 #define	FDIOCMD		(FDIOC|59)		/* Floppy command */
    200 #define	FDRAW		(FDIOC|70)		/* ECDstyle genericcmd */
    201 #define	FDDEFGEOCHAR	(FDIOC|86)		/* restore default geometry */
    202 						/* & characteristics */
    203 
    204 #ifdef	__cplusplus
    205 }
    206 #endif
    207 
    208 #endif	/* _SYS_FDIO_H */
    209