/* * Definitions for the Mitsumi CDROM interface * Copyright (C) 1995 1996 Heiko Schlittermann <heiko@lotte.sax.de> * VERSION: @VERSION@ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, write to * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. * * Thanks to * The Linux Community at all and ... * Martin Harris (he wrote the first Mitsumi Driver) * Eberhard Moenkeberg (he gave me much support and the initial kick) * Bernd Huebner, Ruediger Helsch (Unifix-Software Gmbh, they * improved the original driver) * Jon Tombs, Bjorn Ekwall (module support) * Daniel v. Mosnenck (he sent me the Technical and Programming Reference) * Gerd Knorr (he lent me his PhotoCD) * Nils Faerber and Roger E. Wolff (extensively tested the LU portion) * Andreas Kies (testing the mysterious hang up's) * ... somebody forgotten? * Marcin Dalecki * */ /* * The following lines are for user configuration * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * {0|1} -- 1 if you want the driver detect your drive, may crash and * needs a long time to seek. The higher the address the longer the * seek. * * WARNING: AUTOPROBE doesn't work. */ #define MCDX_AUTOPROBE 0 /* * Drive specific settings according to the jumpers on the controller * board(s). * o MCDX_NDRIVES : number of used entries of the following table * o MCDX_DRIVEMAP : table of {i/o base, irq} per controller * * NOTE: I didn't get a drive at irq 9(2) working. Not even alone. */ #if MCDX_AUTOPROBE == 0 #define MCDX_NDRIVES 1 #define MCDX_DRIVEMAP { \ {0x300, 11}, \ {0x304, 05}, \ {0x000, 00}, \ {0x000, 00}, \ {0x000, 00}, \ } #else #error Autoprobing is not implemented yet. #endif #ifndef MCDX_QUIET #define MCDX_QUIET 1 #endif #ifndef MCDX_DEBUG #define MCDX_DEBUG 0 #endif /* *** make the following line uncommented, if you're sure, * *** all configuration is done */ /* #define I_WAS_HERE */ /* The name of the device */ #define MCDX "mcdx" /* Flags for DEBUGGING */ #define INIT 0 #define MALLOC 0 #define IOCTL 0 #define PLAYTRK 0 #define SUBCHNL 0 #define TOCHDR 0 #define MS 0 #define PLAYMSF 0 #define READTOC 0 #define OPENCLOSE 0 #define HW 0 #define TALK 0 #define IRQ 0 #define XFER 0 #define REQUEST 0 #define SLEEP 0 /* The following addresses are taken from the Mitsumi Reference * and describe the possible i/o range for the controller. */ #define MCDX_IO_BEGIN ((char*) 0x300) /* first base of i/o addr */ #define MCDX_IO_END ((char*) 0x3fc) /* last base of i/o addr */ /* Per controller 4 bytes i/o are needed. */ #define MCDX_IO_SIZE 4 /* * Bits */ /* The status byte, returned from every command, set if * the description is true */ #define MCDX_RBIT_OPEN 0x80 /* door is open */ #define MCDX_RBIT_DISKSET 0x40 /* disk set (recognised) */ #define MCDX_RBIT_CHANGED 0x20 /* disk was changed */ #define MCDX_RBIT_CHECK 0x10 /* disk rotates, servo is on */ #define MCDX_RBIT_AUDIOTR 0x08 /* current track is audio */ #define MCDX_RBIT_RDERR 0x04 /* read error, refer SENSE KEY */ #define MCDX_RBIT_AUDIOBS 0x02 /* currently playing audio */ #define MCDX_RBIT_CMDERR 0x01 /* command, param or format error */ /* The I/O Register holding the h/w status of the drive, * can be read at i/o base + 1 */ #define MCDX_RBIT_DOOR 0x10 /* door is open */ #define MCDX_RBIT_STEN 0x04 /* if 0, i/o base contains drive status */ #define MCDX_RBIT_DTEN 0x02 /* if 0, i/o base contains data */ /* * The commands. */ #define OPCODE 1 /* offset of opcode */ #define MCDX_CMD_REQUEST_TOC 1, 0x10 #define MCDX_CMD_REQUEST_STATUS 1, 0x40 #define MCDX_CMD_RESET 1, 0x60 #define MCDX_CMD_REQUEST_DRIVE_MODE 1, 0xc2 #define MCDX_CMD_SET_INTERLEAVE 2, 0xc8, 0 #define MCDX_CMD_DATAMODE_SET 2, 0xa0, 0 #define MCDX_DATAMODE1 0x01 #define MCDX_DATAMODE2 0x02 #define MCDX_CMD_LOCK_DOOR 2, 0xfe, 0 #define READ_AHEAD 4 /* 8 Sectors (4K) */ /* Useful macros */ #define e_door(x) ((x) & MCDX_RBIT_OPEN) #define e_check(x) (~(x) & MCDX_RBIT_CHECK) #define e_notset(x) (~(x) & MCDX_RBIT_DISKSET) #define e_changed(x) ((x) & MCDX_RBIT_CHANGED) #define e_audio(x) ((x) & MCDX_RBIT_AUDIOTR) #define e_audiobusy(x) ((x) & MCDX_RBIT_AUDIOBS) #define e_cmderr(x) ((x) & MCDX_RBIT_CMDERR) #define e_readerr(x) ((x) & MCDX_RBIT_RDERR) /** no drive specific */ #define MCDX_CDBLK 2048 /* 2048 cooked data each blk */ #define MCDX_DATA_TIMEOUT (HZ/10) /* 0.1 second */ /* * Access to the msf array */ #define MSF_MIN 0 /* minute */ #define MSF_SEC 1 /* second */ #define MSF_FRM 2 /* frame */ /* * Errors */ #define MCDX_E 1 /* unspec error */ #define MCDX_ST_EOM 0x0100 /* end of media */ #define MCDX_ST_DRV 0x00ff /* mask to query the drive status */ #ifndef I_WAS_HERE #ifndef MODULE #warning You have not edited mcdx.h #warning Perhaps irq and i/o settings are wrong. #endif #endif /* ex:set ts=4 sw=4: */