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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | /* * 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) \ ((mod_timer(&gscd_timer, jiffies + jifs)), \ (gscd_timer.function = func)) #define CLEAR_TIMER del_timer_sync(&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; }; |