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 /* *** change this to set the I/O port address */ 25 #defineMCDPORT(x) (0x320 + (x))
26
27 /* *** change this to set the interrupt number */ 28 #defineMCD_INTR_NR 11
29
30
31
32
33
34 /* status bits */ 35
36 #define MST_CMD_CHECK 0x01 /* command error */ 37 #defineMST_BUSY 0x02 /* now playing */ 38 #define MST_READ_ERR 0x04 /* read error */ 39 #define MST_DSK_TYPE 0x08
40 #define MST_SERVO_CHECK 0x10
41 #defineMST_DSK_CHG 0x20 /* disk removed or changed */ 42 #defineMST_READY 0x40 /* disk in the drive */ 43 #define MST_DOOR_OPEN 0x80 /* door is open */ 44
45 /* flag bits */ 46
47 #defineMFL_DATA 0x02 /* data available */ 48 #defineMFL_STATUS 0x04 /* status available */ 49
50 /* commands */ 51
52 #defineMCMD_GET_DISK_INFO 0x10 /* read info from disk */ 53 #defineMCMD_GET_Q_CHANNEL 0x20 /* read info from q channel */ 54 #defineMCMD_GET_STATUS 0x40
55 #defineMCMD_SET_MODE 0x50
56 #define MCMD_SOFT_RESET 0x60
57 #defineMCMD_STOP 0x70 /* stop play */ 58 #define MCMD_CONFIG_DRIVE 0x90
59 #defineMCMD_SET_VOLUME 0xAE /* set audio level */ 60 #defineMCMD_PLAY_READ 0xC0 /* play or read data */ 61 #defineMCMD_GET_VERSION 0xDC
62
63 /* borrowed from hd.c */ 64
65 #defineREAD_DATA(port, buf, nr) \
66 __asm__("cld;rep;insb": :"d" (port),"D" (buf),"c" (nr):"cx","di")
67
68 #defineSET_TIMER(func, jifs) \
69 ((timer_table[MCD_TIMER].expires = jiffies + jifs), \
70 (timer_table[MCD_TIMER].fn = func), \
71 (timer_active |= 1<<MCD_TIMER))
72
73 #defineCLEAR_TIMERtimer_active &= ~(1<<MCD_TIMER)
74
75 #defineMAX_TRACKS 104
76
77 structmsf{ 78 unsignedcharmin;
79 unsignedcharsec;
80 unsignedcharframe;
81 };
82
83 structmcd_Play_msf{ 84 structmsfstart;
85 structmsfend;
86 };
87
88 structmcd_DiskInfo{ 89 unsignedcharfirst;
90 unsignedcharlast;
91 structmsfdiskLength;
92 structmsffirstTrack;
93 };
94
95 structmcd_Toc{ 96 unsignedcharctrl_addr;
97 unsignedchartrack;
98 unsignedcharpointIndex;
99 structmsftrackTime;
100 structmsfdiskTime;
101 };