1 /* $Id: aztcd.h,v 1.30 1995/07/04 08:28:17 root Exp $
2 * Definitions for a AztechCD268 CD-ROM interface
3 * Copyright (C) 1994, 1995 Werner Zimmermann
4 *
5 * based on Mitsumi CDROM driver by Martin Harriss
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 *
21 * History: W.Zimmermann adaption to Aztech CD268-01A Version 1.3
22 * October 1994 Email: zimmerma@rz.fht-esslingen.de
23 */
24
25 /* *** change this to set the I/O port address of your CD-ROM drive*/
26 #define AZT_BASE_ADDR 0x320
27
28 /* Uncomment this, if your CDROM is connected to a Soundwave32-soundcard
29 and configure AZT_BASE_ADDR and AZT_SW32_BASE_ADDR */
30 /*#define AZT_SW32 1
31 */
32
33 #ifdef AZT_SW32
34 #define AZT_SW32_BASE_ADDR 0x220 /*I/O port base adress of your soundcard*/
35 #endif
36
37 /* Set this to 1, if you want your tray to be locked, set to 0 to prevent tray
38 from locking */
39 #define AZT_ALLOW_TRAY_LOCK 1
40
41 /*Set this to 1 to allow auto-eject when unmounting a disk, set to 0, if you
42 don't want the auto-eject feature*/
43 #define AZT_AUTO_EJECT 0
44
45 /*---------------------------------------------------------------------------*/
46 /*------------nothing to be configured below this line-----------------------*/
47
48 /* use incompatible ioctls for reading in raw and cooked mode */
49 #define AZT_PRIVATE_IOCTLS
50
51 /* Increase this if you get lots of timeouts; if you get kernel panic, replace
52 STEN_LOW_WAIT by STEN_LOW in the source code */
53 #define AZT_STATUS_DELAY 400 /*for timer wait, STEN_LOW_WAIT*/
54 #define AZT_TIMEOUT 8000000 /*for busy wait STEN_LOW, DTEN_LOW*/
55 #define AZT_FAST_TIMEOUT 10000 /*for reading the version string*/
56
57 /* number of times to retry a command before giving up */
58 #define AZT_RETRY_ATTEMPTS 3
59
60 /* port access macros */
61 #define CMD_PORT azt_port
62 #define DATA_PORT azt_port
63 #define STATUS_PORT azt_port+1
64 #define MODE_PORT azt_port+2
65 #ifdef AZT_SW32
66 #define AZT_SW32_INIT (unsigned int) (0xFF00 & (AZT_BASE_ADDR*16))
67 #define AZT_SW32_CONFIG_REG AZT_SW32_BASE_ADDR+0x16 /*Soundwave32 Config. Register*/
68 #define AZT_SW32_ID_REG AZT_SW32_BASE_ADDR+0x04 /*Soundwave32 ID Version Register*/
69 #endif
70
71 /* status bits */
72 #define AST_CMD_CHECK 0x80 /* command error */
73 #define AST_DSK_CHG 0x20 /* disk removed or changed */
74 #define AST_NOT_READY 0x02 /* no disk in the drive */
75 #define AST_DOOR_OPEN 0x40 /* door is open */
76 #define AST_MODE_BITS 0x1C /* Mode Bits */
77 #define AST_INITIAL 0x0C /* initial, only valid ... */
78 #define AST_BUSY 0x04 /* now playing, only valid
79 in combination with mode
80 bits */
81 /* flag bits */
82 #define AFL_DATA 0x02 /* data available if low */
83 #define AFL_STATUS 0x04 /* status available if low */
84 #define AFL_OP_OK 0x01 /* OP_OK command correct*/
85 #define AFL_PA_OK 0x02 /* PA_OK parameter correct*/
86 #define AFL_OP_ERR 0x05 /* error in command*/
87 #define AFL_PA_ERR 0x06 /* error in parameters*/
88 #define POLLED 0x04 /* polled mode */
89
90 /* commands */
91 #define ACMD_SOFT_RESET 0x10 /* reset drive */
92 #define ACMD_PLAY_READ 0x20 /* read data track in cooked mode */
93 #define ACMD_DATA_READ_RAW 0x21 /* reading in raw mode*/
94 #define ACMD_SEEK_TO_LEADIN 0x31 /* seek to leadin track*/
95 #define ACMD_GET_ERROR 0x40 /* get error code */
96 #define ACMD_GET_STATUS 0x41 /* get status */
97 #define ACMD_GET_Q_CHANNEL 0x50 /* read info from q channel */
98 #define ACMD_EJECT 0x60 /* eject/open tray */
99 #define ACMD_CLOSE 0x61 /* close tray */
100 #define ACMD_LOCK 0x71 /* lock tray closed */
101 #define ACMD_UNLOCK 0x72 /* unlock tray */
102 #define ACMD_PAUSE 0x80 /* pause */
103 #define ACMD_STOP 0x81 /* stop play */
104 #define ACMD_PLAY_AUDIO 0x90 /* play audio track */
105 #define ACMD_SET_VOLUME 0x93 /* set audio level */
106 #define ACMD_GET_VERSION 0xA0 /* get firmware version */
107 #define ACMD_SET_MODE 0xA1 /* set drive mode */
108
109 #define MAX_TRACKS 104
110
111 struct msf {
112 unsigned char min;
113 unsigned char sec;
114 unsigned char frame;
115 };
116
117 struct azt_Play_msf {
118 struct msf start;
119 struct msf end;
120 };
121
122 struct azt_DiskInfo {
123 unsigned char first;
124 unsigned char last;
125 struct msf diskLength;
126 struct msf firstTrack;
127 };
128
129 struct azt_Toc {
130 unsigned char ctrl_addr;
131 unsigned char track;
132 unsigned char pointIndex;
133 struct msf trackTime;
134 struct msf diskTime;
135 };