1 /* 2 * Definitions for the Mitsumi CDROM interface 3 * Copyright (C) 1995 1996 Heiko Schlittermann <heiko@lotte.sax.de> 4 * VERSION: @VERSION@ 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2, or (at your option) 9 * any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; see the file COPYING. If not, write to 18 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 19 * 20 * Thanks to 21 * The Linux Community at all and ... 22 * Martin Harris (he wrote the first Mitsumi Driver) 23 * Eberhard Moenkeberg (he gave me much support and the initial kick) 24 * Bernd Huebner, Ruediger Helsch (Unifix-Software Gmbh, they 25 * improved the original driver) 26 * Jon Tombs, Bjorn Ekwall (module support) 27 * Daniel v. Mosnenck (he sent me the Technical and Programming Reference) 28 * Gerd Knorr (he lent me his PhotoCD) 29 * Nils Faerber and Roger E. Wolff (extensively tested the LU portion) 30 * Andreas Kies (testing the mysterious hang up's) 31 * ... somebody forgotten? 32 * Marcin Dalecki 33 * 34 */ 35 36 /* 37 * The following lines are for user configuration 38 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 39 * 40 * {0|1} -- 1 if you want the driver detect your drive, may crash and 41 * needs a long time to seek. The higher the address the longer the 42 * seek. 43 * 44 * WARNING: AUTOPROBE doesn't work. 45 */ 46 #define MCDX_AUTOPROBE 0 47 48 /* 49 * Drive specific settings according to the jumpers on the controller 50 * board(s). 51 * o MCDX_NDRIVES : number of used entries of the following table 52 * o MCDX_DRIVEMAP : table of {i/o base, irq} per controller 53 * 54 * NOTE: I didn't get a drive at irq 9(2) working. Not even alone. 55 */ 56 #if MCDX_AUTOPROBE == 0 57 #define MCDX_NDRIVES 1 58 #define MCDX_DRIVEMAP { \ 59 {0x300, 11}, \ 60 {0x304, 05}, \ 61 {0x000, 00}, \ 62 {0x000, 00}, \ 63 {0x000, 00}, \ 64 } 65 #else 66 #error Autoprobing is not implemented yet. 67 #endif 68 69 #ifndef MCDX_QUIET 70 #define MCDX_QUIET 1 71 #endif 72 73 #ifndef MCDX_DEBUG 74 #define MCDX_DEBUG 0 75 #endif 76 77 /* *** make the following line uncommented, if you're sure, 78 * *** all configuration is done */ 79 /* #define I_WAS_HERE */ 80 81 /* The name of the device */ 82 #define MCDX "mcdx" 83 84 /* Flags for DEBUGGING */ 85 #define INIT 0 86 #define MALLOC 0 87 #define IOCTL 0 88 #define PLAYTRK 0 89 #define SUBCHNL 0 90 #define TOCHDR 0 91 #define MS 0 92 #define PLAYMSF 0 93 #define READTOC 0 94 #define OPENCLOSE 0 95 #define HW 0 96 #define TALK 0 97 #define IRQ 0 98 #define XFER 0 99 #define REQUEST 0 100 #define SLEEP 0 101 102 /* The following addresses are taken from the Mitsumi Reference 103 * and describe the possible i/o range for the controller. 104 */ 105 #define MCDX_IO_BEGIN ((char*) 0x300) /* first base of i/o addr */ 106 #define MCDX_IO_END ((char*) 0x3fc) /* last base of i/o addr */ 107 108 /* Per controller 4 bytes i/o are needed. */ 109 #define MCDX_IO_SIZE 4 110 111 /* 112 * Bits 113 */ 114 115 /* The status byte, returned from every command, set if 116 * the description is true */ 117 #define MCDX_RBIT_OPEN 0x80 /* door is open */ 118 #define MCDX_RBIT_DISKSET 0x40 /* disk set (recognised) */ 119 #define MCDX_RBIT_CHANGED 0x20 /* disk was changed */ 120 #define MCDX_RBIT_CHECK 0x10 /* disk rotates, servo is on */ 121 #define MCDX_RBIT_AUDIOTR 0x08 /* current track is audio */ 122 #define MCDX_RBIT_RDERR 0x04 /* read error, refer SENSE KEY */ 123 #define MCDX_RBIT_AUDIOBS 0x02 /* currently playing audio */ 124 #define MCDX_RBIT_CMDERR 0x01 /* command, param or format error */ 125 126 /* The I/O Register holding the h/w status of the drive, 127 * can be read at i/o base + 1 */ 128 #define MCDX_RBIT_DOOR 0x10 /* door is open */ 129 #define MCDX_RBIT_STEN 0x04 /* if 0, i/o base contains drive status */ 130 #define MCDX_RBIT_DTEN 0x02 /* if 0, i/o base contains data */ 131 132 /* 133 * The commands. 134 */ 135 136 #define OPCODE 1 /* offset of opcode */ 137 #define MCDX_CMD_REQUEST_TOC 1, 0x10 138 #define MCDX_CMD_REQUEST_STATUS 1, 0x40 139 #define MCDX_CMD_RESET 1, 0x60 140 #define MCDX_CMD_REQUEST_DRIVE_MODE 1, 0xc2 141 #define MCDX_CMD_SET_INTERLEAVE 2, 0xc8, 0 142 #define MCDX_CMD_DATAMODE_SET 2, 0xa0, 0 143 #define MCDX_DATAMODE1 0x01 144 #define MCDX_DATAMODE2 0x02 145 #define MCDX_CMD_LOCK_DOOR 2, 0xfe, 0 146 147 #define READ_AHEAD 4 /* 8 Sectors (4K) */ 148 149 /* Useful macros */ 150 #define e_door(x) ((x) & MCDX_RBIT_OPEN) 151 #define e_check(x) (~(x) & MCDX_RBIT_CHECK) 152 #define e_notset(x) (~(x) & MCDX_RBIT_DISKSET) 153 #define e_changed(x) ((x) & MCDX_RBIT_CHANGED) 154 #define e_audio(x) ((x) & MCDX_RBIT_AUDIOTR) 155 #define e_audiobusy(x) ((x) & MCDX_RBIT_AUDIOBS) 156 #define e_cmderr(x) ((x) & MCDX_RBIT_CMDERR) 157 #define e_readerr(x) ((x) & MCDX_RBIT_RDERR) 158 159 /** no drive specific */ 160 #define MCDX_CDBLK 2048 /* 2048 cooked data each blk */ 161 162 #define MCDX_DATA_TIMEOUT (HZ/10) /* 0.1 second */ 163 164 /* 165 * Access to the msf array 166 */ 167 #define MSF_MIN 0 /* minute */ 168 #define MSF_SEC 1 /* second */ 169 #define MSF_FRM 2 /* frame */ 170 171 /* 172 * Errors 173 */ 174 #define MCDX_E 1 /* unspec error */ 175 #define MCDX_ST_EOM 0x0100 /* end of media */ 176 #define MCDX_ST_DRV 0x00ff /* mask to query the drive status */ 177 178 #ifndef I_WAS_HERE 179 #ifndef MODULE 180 #warning You have not edited mcdx.h 181 #warning Perhaps irq and i/o settings are wrong. 182 #endif 183 #endif 184 185 /* ex:set ts=4 sw=4: */ 186