1/*
2 * Definitions for a GoldStar R420 CD-ROM interface
3 *
4 *   Copyright (C) 1995  Oliver Raupach <raupach@nwfs1.rz.fh-hannover.de>
5 *                       Eberhard Moenkeberg <emoenke@gwdg.de>
6 *
7 *  Published under the GPL.
8 *
9 */
10
11
12/* The Interface Card default address is 0x340. This will work for most
13   applications. Address selection is accomplished by jumpers PN801-1 to
14   PN801-4 on the GoldStar Interface Card.
15   Appropriate settings are: 0x300, 0x310, 0x320, 0x330, 0x340, 0x350, 0x360
16   0x370, 0x380, 0x390, 0x3A0, 0x3B0, 0x3C0, 0x3D0, 0x3E0, 0x3F0             */
17
18/* insert here the I/O port address and extent */
19#define GSCD_BASE_ADDR	        0x340
20#define GSCD_IO_EXTENT          4
21
22
23/************** nothing to set up below here *********************/
24
25/* port access macro */
26#define GSCDPORT(x)		(gscd_port + (x))
27
28/*
29 * commands
30 * the lower nibble holds the command length
31 */
32#define CMD_STATUS     0x01
33#define CMD_READSUBQ   0x02 /* 1: ?, 2: UPC, 5: ? */
34#define CMD_SEEK       0x05 /* read_mode M-S-F */
35#define CMD_READ       0x07 /* read_mode M-S-F nsec_h nsec_l */
36#define CMD_RESET      0x11
37#define CMD_SETMODE    0x15
38#define CMD_PLAY       0x17 /* M-S-F M-S-F */
39#define CMD_LOCK_CTL   0x22 /* 0: unlock, 1: lock */
40#define CMD_IDENT      0x31
41#define CMD_SETSPEED   0x32 /* 0: auto */ /* ??? */
42#define CMD_GETMODE    0x41
43#define CMD_PAUSE      0x51
44#define CMD_READTOC    0x61
45#define CMD_DISKINFO   0x71
46#define CMD_TRAY_CTL   0x81
47
48/*
49 * disk_state:
50 */
51#define ST_PLAYING	0x80
52#define ST_UNLOCKED	0x40
53#define ST_NO_DISK	0x20
54#define ST_DOOR_OPEN	0x10
55#define ST_x08  0x08
56#define ST_x04	0x04
57#define ST_INVALID	0x02
58#define ST_x01	0x01
59
60/*
61 * cmd_type:
62 */
63#define TYPE_INFO	0x01
64#define TYPE_DATA	0x02
65
66/*
67 * read_mode:
68 */
69#define MOD_POLLED	0x80
70#define MOD_x08	0x08
71#define MOD_RAW	0x04
72
73#define READ_DATA(port, buf, nr) insb(port, buf, nr)
74
75#define SET_TIMER(func, jifs) \
76	((mod_timer(&gscd_timer, jiffies + jifs)), \
77	(gscd_timer.function = func))
78
79#define CLEAR_TIMER		del_timer_sync(&gscd_timer)
80
81#define MAX_TRACKS		104
82
83struct msf {
84	unsigned char	min;
85	unsigned char	sec;
86	unsigned char	frame;
87};
88
89struct gscd_Play_msf {
90	struct msf	start;
91	struct msf	end;
92};
93
94struct gscd_DiskInfo {
95	unsigned char	first;
96	unsigned char	last;
97	struct msf	diskLength;
98	struct msf	firstTrack;
99};
100
101struct gscd_Toc {
102	unsigned char	ctrl_addr;
103	unsigned char	track;
104	unsigned char	pointIndex;
105	struct msf	trackTime;
106	struct msf	diskTime;
107};
108