109 lines
2.4 KiB
C
109 lines
2.4 KiB
C
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/*
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* Definitions for a GoldStar R420 CD-ROM interface
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*
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* Copyright (C) 1995 Oliver Raupach <raupach@nwfs1.rz.fh-hannover.de>
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* Eberhard Moenkeberg <emoenke@gwdg.de>
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*
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* Published under the GPL.
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*
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*/
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/* The Interface Card default address is 0x340. This will work for most
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applications. Address selection is accomplished by jumpers PN801-1 to
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PN801-4 on the GoldStar Interface Card.
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Appropriate settings are: 0x300, 0x310, 0x320, 0x330, 0x340, 0x350, 0x360
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0x370, 0x380, 0x390, 0x3A0, 0x3B0, 0x3C0, 0x3D0, 0x3E0, 0x3F0 */
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/* insert here the I/O port address and extent */
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#define GSCD_BASE_ADDR 0x340
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#define GSCD_IO_EXTENT 4
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/************** nothing to set up below here *********************/
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/* port access macro */
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#define GSCDPORT(x) (gscd_port + (x))
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/*
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* commands
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* the lower nibble holds the command length
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*/
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#define CMD_STATUS 0x01
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#define CMD_READSUBQ 0x02 /* 1: ?, 2: UPC, 5: ? */
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#define CMD_SEEK 0x05 /* read_mode M-S-F */
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#define CMD_READ 0x07 /* read_mode M-S-F nsec_h nsec_l */
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#define CMD_RESET 0x11
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#define CMD_SETMODE 0x15
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#define CMD_PLAY 0x17 /* M-S-F M-S-F */
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#define CMD_LOCK_CTL 0x22 /* 0: unlock, 1: lock */
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#define CMD_IDENT 0x31
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#define CMD_SETSPEED 0x32 /* 0: auto */ /* ??? */
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#define CMD_GETMODE 0x41
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#define CMD_PAUSE 0x51
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#define CMD_READTOC 0x61
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#define CMD_DISKINFO 0x71
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#define CMD_TRAY_CTL 0x81
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/*
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* disk_state:
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*/
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#define ST_PLAYING 0x80
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#define ST_UNLOCKED 0x40
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#define ST_NO_DISK 0x20
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#define ST_DOOR_OPEN 0x10
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#define ST_x08 0x08
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#define ST_x04 0x04
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#define ST_INVALID 0x02
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#define ST_x01 0x01
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/*
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* cmd_type:
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*/
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#define TYPE_INFO 0x01
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#define TYPE_DATA 0x02
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/*
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* read_mode:
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*/
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#define MOD_POLLED 0x80
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#define MOD_x08 0x08
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#define MOD_RAW 0x04
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#define READ_DATA(port, buf, nr) insb(port, buf, nr)
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#define SET_TIMER(func, jifs) \
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((mod_timer(&gscd_timer, jiffies + jifs)), \
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(gscd_timer.function = func))
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#define CLEAR_TIMER del_timer_sync(&gscd_timer)
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#define MAX_TRACKS 104
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struct msf {
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unsigned char min;
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unsigned char sec;
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unsigned char frame;
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};
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struct gscd_Play_msf {
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struct msf start;
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struct msf end;
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};
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struct gscd_DiskInfo {
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unsigned char first;
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unsigned char last;
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struct msf diskLength;
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struct msf firstTrack;
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};
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struct gscd_Toc {
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unsigned char ctrl_addr;
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unsigned char track;
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unsigned char pointIndex;
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struct msf trackTime;
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struct msf diskTime;
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};
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