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authorrgrimes <rgrimes@FreeBSD.org>1993-10-12 06:08:31 +0000
committerrgrimes <rgrimes@FreeBSD.org>1993-10-12 06:08:31 +0000
commit5cb0051c0ca9ff261f65a211a9e7746f82173fd1 (patch)
tree8cb5433f168be00a0d2426a2dd0ab8443b9a8264 /sys/i386/isa/mcdreg.h
parent396138442fe237520848f1928d4fb15e8542193c (diff)
downloadFreeBSD-src-5cb0051c0ca9ff261f65a211a9e7746f82173fd1.zip
FreeBSD-src-5cb0051c0ca9ff261f65a211a9e7746f82173fd1.tar.gz
Mitsumi cd rom driver from Holger Viet as fixed up by Gary Clark II.
Still a little rought, but it seems to be working.
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diff --git a/sys/i386/isa/mcdreg.h b/sys/i386/isa/mcdreg.h
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+/*
+ * Copyright 1993 by Holger Veit (data part)
+ * Copyright 1993 by Brian Moore (audio part)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This software was developed by Holger Veit and Brian Moore
+ * for use with "386BSD" and similar operating systems.
+ * "Similar operating systems" includes mainly non-profit oriented
+ * systems for research and education, including but not restricted to
+ * "NetBSD", "FreeBSD", "Mach" (by CMU).
+ * 4. Neither the name of the developer(s) nor the name "386BSD"
+ * may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This file contains definitions for some cdrom control commands
+ * and status codes. This info was "inherited" from the DOS MTMCDE.SYS
+ * driver, and is thus not complete (and may even be wrong). Some day
+ * the manufacturer or anyone else might provide better documentation,
+ * so this file (and the driver) will then have a better quality.
+ *
+ * $Id$
+ */
+
+#ifndef MCD_H
+#define MCD_H
+
+#ifdef __GNUC__
+#if __GNUC__ >= 2
+#pragma pack(1)
+#endif
+#endif
+
+typedef unsigned char bcd_t;
+#define M_msf(msf) msf[0]
+#define S_msf(msf) msf[1]
+#define F_msf(msf) msf[2]
+
+/* io lines used */
+#define MCD_IO_BASE 0x300
+
+#define mcd_command 0
+#define mcd_status 0
+#define mcd_rdata 0
+
+#define mcd_reset 1
+#define mcd_xfer 1
+#define mcd_ctl2 2 /* XXX Is this right? */
+
+#define mcd_config 3
+#define MCD_MASK_DMA 0x07 /* bits 2-0 = DMA channel */
+#define MCD_MASK_IRQ 0x70 /* bits 6-4 = INT number */
+ /* 001 = int 2,9 */
+ /* 010 = int 3 */
+ /* 011 = int 5 */
+ /* 100 = int 10 */
+ /* 101 = int 11 */
+/* flags */
+#define STATUS_AVAIL 0xb
+#define DATA_AVAIL 0xf
+
+/* ports */
+#define MCD_DATA 0
+#define MCD_FLAGS 1
+#define MCD_DONT_KNOW 2 /* What are these two ports for??? */
+#define CHANNEL 3
+
+/* Status bits */
+#define MCD_ST_DOOROPEN 0x80
+#define MCD_ST_DSKIN 0x40
+#define MCD_ST_DSKCHNG 0x20
+#define MCD_ST_BUSY 0x04
+#define MCD_ST_AUDIOBSY 0x02
+
+/* commands known by the controller */
+#define MCD_CMDRESET 0x00
+#define MCD_CMDGETVOLINFO 0x10 /* gets mcd_volinfo */
+#define MCD_CMDGETQCHN 0x20 /* gets mcd_qchninfo */
+#define MCD_CMDGETSTAT 0x40 /* gets a byte of status */
+#define MCD_CMDSETMODE 0x50 /* set transmission mode, needs byte */
+#define MCD_MD_RAW 0x60
+#define MCD_MD_COOKED 0x01
+#define MCD_MD_TOC 0x05
+#define MCD_CMDSTOPAUDIO 0x70
+#define MCD_CMDGETVOLUME 0x8E /* gets mcd_volume */
+#define MCD_CMDSETVOLUME 0xAE /* sets mcd_volume */
+#define MCD_CMDREAD1 0xB0 /* read n sectors */
+#define MCD_CMDREAD2 0xC0 /* read from-to */
+#define MCD_CMDCONTINFO 0xDC /* Get controller info */
+#define MCD_CMDEJECTDISK 0xF6
+#define MCD_CMDCLOSETRAY 0xF8
+#define MCD_CMDLOCKDRV 0xFE /* needs byte */
+#define MCD_LK_UNLOCK 0x00
+#define MCD_LK_LOCK 0x01
+#define MCD_LK_TEST 0x02
+
+struct mcd_volinfo {
+ bcd_t trk_low;
+ bcd_t trk_high;
+ bcd_t vol_msf[3];
+ bcd_t trk1_msf[3];
+};
+
+struct mcd_qchninfo {
+ u_char ctrl_adr;
+ u_char trk_no;
+ u_char idx_no;
+ bcd_t trk_size_msf[3];
+ u_char :8;
+ bcd_t hd_pos_msf[3];
+};
+
+struct mcd_volume {
+ u_char v0l;
+ u_char v0rs;
+ u_char v0r;
+ u_char v0ls;
+};
+
+struct mcd_read1 {
+ bcd_t start_msf[3];
+ u_char nsec[3];
+};
+
+struct mcd_read2 {
+ bcd_t start_msf[3];
+ bcd_t end_msf[3];
+};
+#endif /* MCD_H */
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