1 /*- 2 * Copyright (C) 1992-1994,2001 by Joerg Wunsch, Dresden 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 20 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 21 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 22 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 24 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 25 * DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 #ifndef _MACHINE_IOCTL_FD_H_ 31 #define _MACHINE_IOCTL_FD_H_ 32 33 #ifndef _KERNEL 34 #include <sys/types.h> 35 #endif 36 #include <sys/ioccom.h> 37 38 #define FD_FORMAT_VERSION 110 /* used to validate before formatting */ 39 #define FD_MAX_NSEC 36 /* highest known number of spt - allow for */ 40 /* 2.88 MB drives */ 41 42 struct fd_formb { 43 int format_version; /* == FD_FORMAT_VERSION */ 44 int cyl, head; 45 int transfer_rate; /* FDC_???KBPS */ 46 47 struct fd_form_data { 48 /* 49 * DO NOT CHANGE THE LAYOUT OF THIS STRUCTS 50 * it is hardware-dependent since it exactly 51 * matches the byte sequence to write to FDC 52 * during its `format track' operation 53 */ 54 u_char secshift; /* 0 -> 128, ...; usually 2 -> 512 */ 55 u_char nsecs; /* must be <= FD_MAX_NSEC */ 56 u_char gaplen; /* GAP 3 length; usually 84 */ 57 u_char fillbyte; /* usually 0xf6 */ 58 struct fd_idfield_data { 59 /* 60 * data to write into id fields; 61 * for obscure formats, they mustn't match 62 * the real values (but mostly do) 63 */ 64 u_char cylno; /* 0 thru 79 (or 39) */ 65 u_char headno; /* 0, or 1 */ 66 u_char secno; /* starting at 1! */ 67 u_char secsize; /* usually 2 */ 68 } idfields[FD_MAX_NSEC]; /* 0 <= idx < nsecs used */ 69 } format_info; 70 }; 71 72 /* make life easier */ 73 # define fd_formb_secshift format_info.secshift 74 # define fd_formb_nsecs format_info.nsecs 75 # define fd_formb_gaplen format_info.gaplen 76 # define fd_formb_fillbyte format_info.fillbyte 77 /* these data must be filled in for(i = 0; i < fd_formb_nsecs; i++) */ 78 # define fd_formb_cylno(i) format_info.idfields[i].cylno 79 # define fd_formb_headno(i) format_info.idfields[i].headno 80 # define fd_formb_secno(i) format_info.idfields[i].secno 81 # define fd_formb_secsize(i) format_info.idfields[i].secsize 82 83 struct fd_type { 84 int sectrac; /* sectors per track */ 85 int secsize; /* size code for sectors */ 86 int datalen; /* data len when secsize = 0 */ 87 int gap; /* gap len between sectors */ 88 int tracks; /* total number of cylinders */ 89 int size; /* size of disk in sectors */ 90 int trans; /* transfer speed code */ 91 int heads; /* number of heads */ 92 int f_gap; /* format gap len */ 93 int f_inter; /* format interleave factor */ 94 int offset_side2; /* offset of sectors on side2 */ 95 int flags; /* misc. features */ 96 #define FL_MFM 0x0001 /* MFM recording */ 97 #define FL_2STEP 0x0002 /* 2 steps between cylinders */ 98 #define FL_PERPND 0x0004 /* perpendicular recording */ 99 #define FL_AUTO 0x0008 /* autodetect format */ 100 }; 101 102 struct fdc_status { 103 u_int status[7]; 104 }; 105 106 /* 107 * cyl and head are being passed into ioctl(FD_READID) 108 * all four fields are being returned 109 */ 110 struct fdc_readid { 111 u_char cyl; /* C - 0...79 */ 112 u_char head; /* H - 0...1 */ 113 u_char sec; /* R - 1...n */ 114 u_char secshift; /* N - log2(secsize / 128) */ 115 }; 116 117 /* 118 * Diskette drive type, basically the same as stored in RTC on ISA 119 * machines (see /sys/isa/rtc.h), but right-shifted by four bits. 120 */ 121 enum fd_drivetype { 122 FDT_NONE, FDT_360K, FDT_12M, FDT_720K, FDT_144M, FDT_288M_1, 123 FDT_288M 124 }; 125 126 127 #define FD_FORM _IOW('F', 61, struct fd_formb) /* format a track */ 128 #define FD_GTYPE _IOR('F', 62, struct fd_type) /* get drive type */ 129 #define FD_STYPE _IOW('F', 63, struct fd_type) /* set drive type */ 130 131 #define FD_GOPTS _IOR('F', 64, int) /* drive options, see below */ 132 #define FD_SOPTS _IOW('F', 65, int) 133 134 #ifdef PC98 135 #define FD_DEBUG _IOW('F', 66, int) 136 #endif 137 138 #define FD_CLRERR _IO('F', 67) /* clear error counter */ 139 140 #define FD_READID _IOWR('F', 68, struct fdc_readid) /* read ID field */ 141 142 /* 143 * Obtain NE765 status registers. Only successful if there is 144 * a valid status stored in fdc->status[]. 145 */ 146 #define FD_GSTAT _IOR('F', 69, struct fdc_status) 147 148 #define FD_GDTYPE _IOR('F', 70, enum fd_drivetype) /* obtain drive type */ 149 150 /* Options for FD_GOPTS/FD_SOPTS, cleared on device close */ 151 #define FDOPT_NORETRY 0x0001 /* no retries on failure */ 152 #define FDOPT_NOERRLOG 0x002 /* no "hard error" kernel log messages */ 153 #define FDOPT_NOERROR 0x0004 /* do not indicate errors, caller will use 154 FD_GSTAT in order to obtain status */ 155 #ifdef PC98 156 #define FDOPT_AUTOSEL 0x8000 /* read/only option: device performs media 157 * autoselection */ 158 #endif 159 160 /* 161 * Transfer rate definitions. Used in the structures above. They 162 * represent the hardware encoding of bits 0 and 1 of the FDC control 163 * register when writing to the register. 164 * Transfer rates for FM encoding are half the values listed here 165 * (but we currently don't support FM encoding). 166 */ 167 #define FDC_500KBPS 0x00 /* 500KBPS MFM drive transfer rate */ 168 #define FDC_300KBPS 0x01 /* 300KBPS MFM drive transfer rate */ 169 #define FDC_250KBPS 0x02 /* 250KBPS MFM drive transfer rate */ 170 #define FDC_1MBPS 0x03 /* 1MPBS MFM drive transfer rate */ 171 172 /* 173 * Parameters for common formats 174 * 175 * See struct fd_type for layout. 176 * XXX: Field 'size' must be calculated. 177 * XXX: Fields 'f_inter' and 'offset_side2' are unused by kernel. 178 * 179 * XXX: These should really go in a /etc/floppycap colon separated file 180 * XXX: but the kernel needs some of them for proper defaults and it would 181 * XXX: should have been done 20 years ago to make sense. 182 */ 183 #ifdef PC98 184 #define FDF_3_1440 18,2,0xFF,0x1B,80,0,2,2,0x54,1,0,FL_MFM 185 #define FDF_3_1200 15,2,0xFF,0x1B,80,0,0,2,0x54,1,0,FL_MFM 186 #define FDF_3_720 9,2,0xFF,0x20,80,0,1,2,0x50,1,0,FL_MFM 187 #define FDF_3_360 9,2,0xFF,0x20,40,0,1,2,0x50,1,0,FL_MFM|FL_2STEP 188 #define FDF_3_640 8,2,0xFF,0x2A,80,0,1,2,0x50,1,0,FL_MFM 189 #define FDF_3_1230 8,3,0xFF,0x35,77,0,0,2,0x74,1,0,FL_MFM 190 #define FDF_5_1200 15,2,0xFF,0x1B,80,0,0,2,0x54,1,0,FL_MFM 191 #define FDF_5_720 9,2,0xFF,0x20,80,0,1,2,0x50,1,0,FL_MFM 192 #define FDF_5_360 9,2,0xFF,0x20,40,0,1,2,0x50,1,0,FL_MFM|FL_2STEP 193 #define FDF_5_640 8,2,0xFF,0x2A,80,0,1,2,0x50,1,0,FL_MFM 194 #define FDF_5_1230 8,3,0xFF,0x35,77,0,0,2,0x74,1,0,FL_MFM 195 #else /* PC98 */ 196 #define FDF_3_2880 36,2,0xFF,0x1B,80,0,FDC_1MBPS,002,0x4C,1,1,FL_MFM|FL_PERPND 197 #define FDF_3_1722 21,2,0xFF,0x04,82,0,FDC_500KBPS,2,0x0C,2,0,FL_MFM 198 #define FDF_3_1476 18,2,0xFF,0x1B,82,0,FDC_500KBPS,2,0x6C,1,0,FL_MFM 199 #define FDF_3_1440 18,2,0xFF,0x1B,80,0,FDC_500KBPS,2,0x6C,1,0,FL_MFM 200 #define FDF_3_1200 15,2,0xFF,0x1B,80,0,FDC_500KBPS,2,0x54,1,0,FL_MFM 201 #define FDF_3_820 10,2,0xFF,0x10,82,0,FDC_250KBPS,2,0x2e,1,0,FL_MFM 202 #define FDF_3_800 10,2,0xFF,0x10,80,0,FDC_250KBPS,2,0x2e,1,0,FL_MFM 203 #define FDF_3_720 9,2,0xFF,0x20,80,0,FDC_250KBPS,2,0x50,1,0,FL_MFM 204 #define FDF_5_1480 18,2,0xFF,0x02,82,0,FDC_500KBPS,2,0x02,2,0,FL_MFM 205 #define FDF_5_1440 18,2,0xFF,0x02,80,0,FDC_500KBPS,2,0x02,2,0,FL_MFM 206 #define FDF_5_1230 8,3,0xFF,0x35,77,0,FDC_500KBPS,2,0x74,1,0,FL_MFM 207 #define FDF_5_1200 15,2,0xFF,0x1B,80,0,FDC_500KBPS,2,0x54,1,0,FL_MFM 208 #define FDF_5_820 10,2,0xFF,0x10,82,0,FDC_300KBPS,2,0x2e,1,0,FL_MFM 209 #define FDF_5_800 10,2,0xFF,0x10,80,0,FDC_300KBPS,2,0x2e,1,0,FL_MFM 210 #define FDF_5_720 9,2,0xFF,0x20,80,0,FDC_300KBPS,2,0x50,1,0,FL_MFM 211 #define FDF_5_640 8,2,0xFF,0x2A,80,0,FDC_300KBPS,2,0x50,1,0,FL_MFM 212 #define FDF_5_360 9,2,0xFF,0x23,40,0,FDC_300KBPS,2,0x50,1,0,FL_MFM 213 /* XXX: 0x2a ? */ 214 #endif 215 216 #endif /* !_MACHINE_IOCTL_FD_H_ */ 217