Loading...
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; }; |