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/* $Id: aztcd.h,v 1.0 1995/03/25 08:27:19 root Exp $
* Definitions for a AztechCD268 CD-ROM interface
* Copyright (C) 1994, 1995 Werner Zimmermann
*
* based on Mitsumi CDROM driver by Martin Harriss
*
* 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.
*
* History: W.Zimmermann adaption to Aztech CD268-01A Version 1.3
* October 1994 Email: zimmerma@rz.fht-esslingen.de
*/
/* *** change this to set the I/O port address */
#define AZT_BASE_ADDR 0x320
/* Comment this out to prevent tray from locking */
#define AZT_ALLOW_TRAY_LOCK 1
/* use incompatible ioctls for reading in raw and cooked mode */
#define AZT_PRIVATE_IOCTLS
/* Increase this if you get lots of timeouts; if you get kernel panic, replace
STEN_LOW_WAIT by STEN_LOW in the source code */
#define AZT_STATUS_DELAY 400 /*for timer wait, STEN_LOW_WAIT*/
#define AZT_TIMEOUT 8000000 /*for busy wait STEN_LOW, DTEN_LOW*/
#define AZT_FAST_TIMEOUT 10000 /*for reading the version string*/
/* number of times to retry a command before giving up */
#define AZT_RETRY_ATTEMPTS 3
/* port access macros */
#define CMD_PORT azt_port
#define DATA_PORT azt_port
#define STATUS_PORT azt_port+1
#define MODE_PORT azt_port+2
/* status bits */
#define AST_CMD_CHECK 0x80 /* command error */
#define AST_DSK_CHG 0x20 /* disk removed or changed */
#define AST_NOT_READY 0x02 /* no disk in the drive */
#define AST_DOOR_OPEN 0x40 /* door is open */
#define AST_MODE_BITS 0x1C /* Mode Bits */
#define AST_INITIAL 0x0C /* initial, only valid ... */
#define AST_BUSY 0x04 /* now playing, only valid
in combination with mode
bits */
/* flag bits */
#define AFL_DATA 0x02 /* data available if low */
#define AFL_STATUS 0x04 /* status available if low */
#define AFL_OP_OK 0x01 /* OP_OK command correct*/
#define AFL_PA_OK 0x02 /* PA_OK parameter correct*/
#define AFL_OP_ERR 0x05 /* error in command*/
#define AFL_PA_ERR 0x06 /* error in parameters*/
#define POLLED 0x04 /* polled mode */
/* commands */
#define ACMD_SOFT_RESET 0x10 /* reset drive */
#define ACMD_PLAY_READ 0x20 /* read data track in cooked mode */
#define ACMD_DATA_READ_RAW 0x21 /* reading in raw mode*/
#define ACMD_SEEK_TO_LEADIN 0x31 /* seek to leadin track*/
#define ACMD_GET_ERROR 0x40 /* get error code */
#define ACMD_GET_STATUS 0x41 /* get status */
#define ACMD_GET_Q_CHANNEL 0x50 /* read info from q channel */
#define ACMD_EJECT 0x60 /* eject/open tray */
#define ACMD_CLOSE 0x61 /* close tray */
#define ACMD_LOCK 0x71 /* lock tray closed */
#define ACMD_UNLOCK 0x72 /* unlock tray */
#define ACMD_PAUSE 0x80 /* pause */
#define ACMD_STOP 0x81 /* stop play */
#define ACMD_PLAY_AUDIO 0x90 /* play audio track */
#define ACMD_SET_VOLUME 0x93 /* set audio level */
#define ACMD_GET_VERSION 0xA0 /* get firmware version */
#define ACMD_SET_MODE 0xA1 /* set drive mode */
#define SET_TIMER(func, jifs) \
delay_timer.expires = jifs; \
delay_timer.function = (void *) func; \
add_timer(&delay_timer);
#define CLEAR_TIMER del_timer(&delay_timer)
#define MAX_TRACKS 104
struct msf {
unsigned char min;
unsigned char sec;
unsigned char frame;
};
struct azt_Play_msf {
struct msf start;
struct msf end;
};
struct azt_DiskInfo {
unsigned char first;
unsigned char last;
struct msf diskLength;
struct msf firstTrack;
};
struct azt_Toc {
unsigned char ctrl_addr;
unsigned char track;
unsigned char pointIndex;
struct msf trackTime;
struct msf diskTime;
};
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