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/*
* Definitions for a GoldStar R420 CD-ROM interface
*
* Copyright (C) 1995 Oliver Raupach <raupach@nwfs1.rz.fh-hannover.de>
* Eberhard Moenkeberg <emoenke@gwdg.de>
*
* Published under the GPL.
*
*/
/* The Interface Card default address is 0x340. This will work for most
applications. Address selection is accomplished by jumpers PN801-1 to
PN801-4 on the GoldStar Interface Card.
Appropriate settings are: 0x300, 0x310, 0x320, 0x330, 0x340, 0x350, 0x360
0x370, 0x380, 0x390, 0x3A0, 0x3B0, 0x3C0, 0x3D0, 0x3E0, 0x3F0 */
/* insert here the I/O port address */
#define GSCD_BASE_ADDR 0x340
/* change this to set the dma-channel */
#define GSCD_DMA_CHANNEL 3 /* not used */
/************** nothing to set up below here *********************/
/* port access macro */
#define GSCDPORT(x) (gscd_port + (x))
/*
* commands
* the lower nibble holds the command length
*/
#define CMD_STATUS 0x01
#define CMD_READSUBQ 0x02 /* 1: ?, 2: UPC, 5: ? */
#define CMD_SEEK 0x05 /* read_mode M-S-F */
#define CMD_READ 0x07 /* read_mode M-S-F nsec_h nsec_l */
#define CMD_RESET 0x11
#define CMD_SETMODE 0x15
#define CMD_PLAY 0x17 /* M-S-F M-S-F */
#define CMD_LOCK_CTL 0x22 /* 0: unlock, 1: lock */
#define CMD_IDENT 0x31
#define CMD_SETSPEED 0x32 /* 0: auto */ /* ??? */
#define CMD_GETMODE 0x41
#define CMD_PAUSE 0x51
#define CMD_READTOC 0x61
#define CMD_DISKINFO 0x71
#define CMD_TRAY_CTL 0x81
/*
* disk_state:
*/
#define ST_PLAYING 0x80
#define ST_UNLOCKED 0x40
#define ST_NO_DISK 0x20
#define ST_DOOR_OPEN 0x10
#define ST_x08 0x08
#define ST_x04 0x04
#define ST_INVALID 0x02
#define ST_x01 0x01
/*
* cmd_type:
*/
#define TYPE_INFO 0x01
#define TYPE_DATA 0x02
/*
* read_mode:
*/
#define MOD_POLLED 0x80
#define MOD_x08 0x08
#define MOD_RAW 0x04
#define READ_DATA(port, buf, nr) insb(port, buf, nr)
#define SET_TIMER(func, jifs) \
((timer_table[GSCD_TIMER].expires = jiffies + jifs), \
(timer_table[GSCD_TIMER].fn = func), \
(timer_active |= 1<<GSCD_TIMER))
#define CLEAR_TIMER timer_active &= ~(1<<GSCD_TIMER)
#define MAX_TRACKS 104
struct msf {
unsigned char min;
unsigned char sec;
unsigned char frame;
};
struct gscd_Play_msf {
struct msf start;
struct msf end;
};
struct gscd_DiskInfo {
unsigned char first;
unsigned char last;
struct msf diskLength;
struct msf firstTrack;
};
struct gscd_Toc {
unsigned char ctrl_addr;
unsigned char track;
unsigned char pointIndex;
struct msf trackTime;
struct msf diskTime;
};
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