URL
https://opencores.org/ocsvn/or1k/or1k/trunk
Subversion Repositories or1k
[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [linux/] [mcd.h] - Rev 1765
Compare with Previous | Blame | View Log
/* * 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. * */ /* *** change this to set the I/O port address */ #define MCD_BASE_ADDR 0x300 /* *** change this to set the interrupt number */ #define MCD_INTR_NR 11 /* *** make the following line uncommented, if you're sure, * *** all configuration is done */ /* #define I_WAS_HERE */ /* Increase this if you get lots of timeouts */ #define MCD_STATUS_DELAY 200 /* number of times to retry a command before giving up */ #define MCD_RETRY_ATTEMPTS 5 /* port access macro */ #define MCDPORT(x) (mcd_port + (x)) /* 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; }; #ifndef I_WAS_HERE #warning You have not edited mcd.h #warning Perhaps irq and i/o settings are wrong. #endif