diff options
Diffstat (limited to 'include/linux/gscd.h')
| -rw-r--r-- | include/linux/gscd.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/include/linux/gscd.h b/include/linux/gscd.h new file mode 100644 index 000000000..fccc742a5 --- /dev/null +++ b/include/linux/gscd.h @@ -0,0 +1,110 @@ +/* + * 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; +}; + |