/*
* 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: */
