Subversion Repositories or1k_old

/*

 * Definitions for a Mitsumi CD-ROM interface

 *

 *      Copyright (C) 1992  Martin Harriss

 *

 *      martin@bdsi.com

 *

 *  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 of the License, 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; if not, write to the Free Software

 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 *

 */

/* *** change this to set the I/O port address */

#define MCD_BASE_ADDR           0x300

/* *** change this to set the interrupt number */

#define MCD_INTR_NR     11

/* *** make the following line uncommented, if you're sure,

 * *** all configuration is done */

/* #define I_WAS_HERE */

/* Increase this if you get lots of timeouts */

#define MCD_STATUS_DELAY        200

/* number of times to retry a command before giving up */

#define MCD_RETRY_ATTEMPTS      5

/* port access macro */

#define MCDPORT(x)              (mcd_port + (x))

/* status bits */

#define MST_CMD_CHECK           0x01            /* command error */

#define MST_BUSY                0x02            /* now playing */

#define MST_READ_ERR            0x04            /* read error */

#define MST_DSK_TYPE            0x08

#define MST_SERVO_CHECK         0x10

#define MST_DSK_CHG             0x20            /* disk removed or changed */

#define MST_READY               0x40            /* disk in the drive */

#define MST_DOOR_OPEN           0x80            /* door is open */

/* flag bits */

#define MFL_DATA                0x02            /* data available */

#define MFL_STATUS              0x04            /* status available */

/* commands */

#define MCMD_GET_DISK_INFO      0x10            /* read info from disk */

#define MCMD_GET_Q_CHANNEL      0x20            /* read info from q channel */

#define MCMD_GET_STATUS         0x40

#define MCMD_SET_MODE           0x50

#define MCMD_SOFT_RESET         0x60

#define MCMD_STOP               0x70            /* stop play */

#define MCMD_CONFIG_DRIVE       0x90

#define MCMD_SET_VOLUME         0xAE            /* set audio level */

#define MCMD_PLAY_READ          0xC0            /* play or read data */

#define MCMD_GET_VERSION        0xDC

#define MCMD_EJECT              0xF6            /* eject (FX drive) */

/* borrowed from hd.c */

#define READ_DATA(port, buf, nr) \

insb(port, buf, nr)

#define SET_TIMER(func, jifs) \

        ((timer_table[MCD_TIMER].expires = jiffies + jifs), \

        (timer_table[MCD_TIMER].fn = func), \

        (timer_active |= 1<<MCD_TIMER))

#define CLEAR_TIMER             timer_active &= ~(1<<MCD_TIMER)

#define MAX_TRACKS              104

struct msf {

        unsigned char   min;

        unsigned char   sec;

        unsigned char   frame;

};

struct mcd_Play_msf {

        struct msf      start;

        struct msf      end;

};

struct mcd_DiskInfo {

        unsigned char   first;

        unsigned char   last;

        struct msf      diskLength;

        struct msf      firstTrack;

};

struct mcd_Toc {

        unsigned char   ctrl_addr;

        unsigned char   track;

        unsigned char   pointIndex;

        struct msf      trackTime;

        struct msf      diskTime;

};

#ifndef I_WAS_HERE

#warning You have not edited mcd.h

#warning Perhaps irq and i/o settings are wrong.

#endif