1 /*
2 * Definitions for a Mitsumi CD-ROM interface
3 *
4 * Copyright (C) 1992 Martin Harriss
5 *
6 * martin@bdsi.com
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *
22 */
23
24 /* Increase this if you get lots of timeouts */
25 #define MCD_STATUS_DELAY 1000
26
27 /* number of times to retry a command before giving up */
28 #define MCD_RETRY_ATTEMPTS 10
29
30 /* port access macro */
31 #define MCDPORT(x) (mcd_port + (x))
32
33 /* How many sectors to read at 1x when an error at 2x speed occurs. */
34 /* You can change this to anything from 2 to 32767, but 30 seems to */
35 /* work best for me. I have found that when the drive has problems */
36 /* reading one sector, it will have troubles reading the next few. */
37 #define SINGLE_HOLD_SECTORS 30
38
39 #define MCMD_2X_READ 0xC1 /* Double Speed Read DON'T TOUCH! */
40
41 /* status bits */
42
43 #define MST_CMD_CHECK 0x01 /* command error */
44 #define MST_BUSY 0x02 /* now playing */
45 #define MST_READ_ERR 0x04 /* read error */
46 #define MST_DSK_TYPE 0x08
47 #define MST_SERVO_CHECK 0x10
48 #define MST_DSK_CHG 0x20 /* disk removed or changed */
49 #define MST_READY 0x40 /* disk in the drive */
50 #define MST_DOOR_OPEN 0x80 /* door is open */
51
52 /* flag bits */
53
54 #define MFL_DATA 0x02 /* data available */
55 #define MFL_STATUS 0x04 /* status available */
56
57 /* commands */
58
59 #define MCMD_GET_DISK_INFO 0x10 /* read info from disk */
60 #define MCMD_GET_Q_CHANNEL 0x20 /* read info from q channel */
61 #define MCMD_GET_STATUS 0x40
62 #define MCMD_SET_MODE 0x50
63 #define MCMD_SOFT_RESET 0x60
64 #define MCMD_STOP 0x70 /* stop play */
65 #define MCMD_CONFIG_DRIVE 0x90
66 #define MCMD_SET_VOLUME 0xAE /* set audio level */
67 #define MCMD_PLAY_READ 0xC0 /* play or read data */
68 #define MCMD_GET_VERSION 0xDC
69 #define MCMD_EJECT 0xF6 /* eject (FX drive) */
70
71 /* borrowed from hd.c */
72
73 #define MAX_TRACKS 104
74
75 struct msf {
76 unsigned char min;
77 unsigned char sec;
78 unsigned char frame;
79 };
80
81 struct mcd_Play_msf {
82 struct msf start;
83 struct msf end;
84 };
85
86 struct mcd_DiskInfo {
87 unsigned char first;
88 unsigned char last;
89 struct msf diskLength;
90 struct msf firstTrack;
91 };
92
93 struct mcd_Toc {
94 unsigned char ctrl_addr;
95 unsigned char track;
96 unsigned char pointIndex;
97 struct msf trackTime;
98 struct msf diskTime;
99 };
100
101 #define test1(x)
102 #define test2(x)
103 #define test3(x)
104 #define test4(x)
105 #define test5(x)
106
107
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