patch-2.1.70 linux/drivers/cdrom/mcd.h

• Lines: 129
• Date: Tue Dec 2 11:41:44 1997
• Orig file: v2.1.69/linux/drivers/cdrom/mcd.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.69/linux/drivers/cdrom/mcd.h linux/drivers/cdrom/mcd.h
@@ -0,0 +1,128 @@
+/*
+ * 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	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;
+};
+
+#ifndef I_WAS_HERE
+#warning You have not edited mcd.h
+#warning Perhaps irq and i/o settings are wrong.
+#endif