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/*
* Definitions for a Sanyo CD-ROM interface.
*
* Copyright (C) 1995 Vadim V. Model
* model@cecmow.enet.dec.com
* vadim@rbrf.msk.su
* vadim@ipsun.ras.ru
* Eric van der Maarel
* H.T.M.v.d.Maarel@marin.nl
*
* This information is based on mcd.c from M. Harriss and sjcd102.lst from
* E. Moenkeberg.
*
* 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.
*/
#ifndef __SJCD_H__
#define __SJCD_H__
/*
* Change this to set the I/O port address as default. More flexibility
* come with setup implementation.
*/
#define SJCD_BASE_ADDR 0x340
/*
* Change this to set the irq as default. Really SANYO do not use interrupts
* at all.
*/
#define SJCD_INTR_NR 0
/*
* Change this to set the dma as default value. really SANYO does not use
* direct memory access at all.
*/
#define SJCD_DMA_NR 0
/*
* Macros which allow us to find out the status of the drive.
*/
#define SJCD_STATUS_AVAILABLE( x ) (((x)&0x02)==0)
#define SJCD_DATA_AVAILABLE( x ) (((x)&0x01)==0)
/*
* Port access macro. Three ports are available: S-data port (command port),
* status port (read only) and D-data port (read only).
*/
#define SJCDPORT( x ) ( sjcd_base + ( x ) )
#define SJCD_STATUS_PORT SJCDPORT( 1 )
#define SJCD_S_DATA_PORT SJCDPORT( 0 )
#define SJCD_COMMAND_PORT SJCDPORT( 0 )
#define SJCD_D_DATA_PORT SJCDPORT( 2 )
/*
* Drive info bits. Drive info available as first (mandatory) byte of
* command completion status.
*/
#define SST_NOT_READY 0x10 /* no disk in the drive (???) */
#define SST_MEDIA_CHANGED 0x20 /* disk is changed */
#define SST_DOOR_OPENED 0x40 /* door is open */
/* commands */
#define SCMD_EJECT_TRAY 0xD0 /* eject tray if not locked */
#define SCMD_LOCK_TRAY 0xD2 /* lock tray when in */
#define SCMD_UNLOCK_TRAY 0xD4 /* unlock tray when in */
#define SCMD_CLOSE_TRAY 0xD6 /* load tray in */
#define SCMD_RESET 0xFA /* soft reset */
#define SCMD_GET_STATUS 0x80
#define SCMD_GET_VERSION 0xCC
#define SCMD_DATA_READ 0xA0 /* are the same, depend on mode&args */
#define SCMD_SEEK 0xA0
#define SCMD_PLAY 0xA0
#define SCMD_GET_QINFO 0xA8
#define SCMD_SET_MODE 0xC4
#define SCMD_MODE_PLAY 0xE0
#define SCMD_MODE_COOKED (0xF8 & ~0x20)
#define SCMD_MODE_RAW 0xF9
#define SCMD_MODE_x20_BIT 0x20 /* What is it for ? */
#define SCMD_SET_VOLUME 0xAE
#define SCMD_PAUSE 0xE0
#define SCMD_STOP 0xE0
#define SCMD_GET_DISK_INFO 0xAA
/*
* Some standard arguments for SCMD_GET_DISK_INFO.
*/
#define SCMD_GET_1_TRACK 0xA0 /* get the first track information */
#define SCMD_GET_L_TRACK 0xA1 /* get the last track information */
#define SCMD_GET_D_SIZE 0xA2 /* get the whole disk information */
/*
* Borrowed from hd.c. Allows to optimize multiple port read commands.
*/
#define S_READ_DATA( port, buf, nr ) insb( port, buf, nr )
/*
* We assume that there are no audio disks with TOC length more than this
* number (I personally have never seen disks with more than 20 fragments).
*/
#define SJCD_MAX_TRACKS 100
struct msf {
unsigned char min;
unsigned char sec;
unsigned char frame;
};
struct sjcd_hw_disk_info {
unsigned char track_control;
unsigned char track_no;
unsigned char x, y, z;
union {
unsigned char track_no;
struct msf track_msf;
} un;
};
struct sjcd_hw_qinfo {
unsigned char track_control;
unsigned char track_no;
unsigned char x;
struct msf rel;
struct msf abs;
};
struct sjcd_play_msf {
struct msf start;
struct msf end;
};
struct sjcd_disk_info {
unsigned char first;
unsigned char last;
struct msf disk_length;
struct msf first_track;
};
struct sjcd_toc {
unsigned char ctrl_addr;
unsigned char track;
unsigned char point_index;
struct msf track_time;
struct msf disk_time;
};
#if defined( SJCD_GATHER_STAT )
struct sjcd_stat {
int ticks;
int tticks[ 8 ];
int idle_ticks;
int start_ticks;
int mode_ticks;
int read_ticks;
int data_ticks;
int stop_ticks;
int stopping_ticks;
};
#endif
#endif
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