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 Mitsumi CD-ROM interface
*
* Copyright (C) 1992 Martin Harriss
*
* martin@bdsi.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
/* Increase this if you get lots of timeouts */
#define MCD_STATUS_DELAY 1000
/* number of times to retry a command before giving up */
#define MCD_RETRY_ATTEMPTS 10
/* port access macro */
#define MCDPORT(x) (mcd_port + (x))
/* How many sectors to read at 1x when an error at 2x speed occurs. */
/* You can change this to anything from 2 to 32767, but 30 seems to */
/* work best for me. I have found that when the drive has problems */
/* reading one sector, it will have troubles reading the next few. */
#define SINGLE_HOLD_SECTORS 30
#define MCMD_2X_READ 0xC1 /* Double Speed Read DON'T TOUCH! */
/* status bits */
#define MST_CMD_CHECK 0x01 /* command error */
#define MST_BUSY 0x02 /* now playing */
#define MST_READ_ERR 0x04 /* read error */
#define MST_DSK_TYPE 0x08
#define MST_SERVO_CHECK 0x10
#define MST_DSK_CHG 0x20 /* disk removed or changed */
#define MST_READY 0x40 /* disk in the drive */
#define MST_DOOR_OPEN 0x80 /* door is open */
/* flag bits */
#define MFL_DATA 0x02 /* data available */
#define MFL_STATUS 0x04 /* status available */
/* commands */
#define MCMD_GET_DISK_INFO 0x10 /* read info from disk */
#define MCMD_GET_Q_CHANNEL 0x20 /* read info from q channel */
#define MCMD_GET_STATUS 0x40
#define MCMD_SET_MODE 0x50
#define MCMD_SOFT_RESET 0x60
#define MCMD_STOP 0x70 /* stop play */
#define MCMD_CONFIG_DRIVE 0x90
#define MCMD_SET_VOLUME 0xAE /* set audio level */
#define MCMD_PLAY_READ 0xC0 /* play or read data */
#define MCMD_GET_VERSION 0xDC
#define MCMD_EJECT 0xF6 /* eject (FX drive) */
/* borrowed from hd.c */
#define READ_DATA(port, buf, nr) \
insb(port, buf, nr)
#define SET_TIMER(func, jifs) \
((timer_table[MCD_TIMER].expires = jiffies + jifs), \
(timer_table[MCD_TIMER].fn = func), \
(timer_active |= 1<<MCD_TIMER))
#define CLEAR_TIMER timer_active &= ~(1<<MCD_TIMER)
#define MAX_TRACKS 104
struct msf {
unsigned char min;
unsigned char sec;
unsigned char frame;
};
struct mcd_Play_msf {
struct msf start;
struct msf end;
};
struct mcd_DiskInfo {
unsigned char first;
unsigned char last;
struct msf diskLength;
struct msf firstTrack;
};
struct mcd_Toc {
unsigned char ctrl_addr;
unsigned char track;
unsigned char pointIndex;
struct msf trackTime;
struct msf diskTime;
};
|
