Annotation of sys/dev/isa/mcdreg.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: mcdreg.h,v 1.6 2003/11/16 20:30:06 avsm Exp $ */
! 2: /* $NetBSD: mcdreg.h,v 1.8 1997/04/04 18:59:37 christos Exp $ */
! 3:
! 4: /*
! 5: * Copyright 1993 by Holger Veit (data part)
! 6: * Copyright 1993 by Brian Moore (audio part)
! 7: * All rights reserved.
! 8: *
! 9: * Redistribution and use in source and binary forms, with or without
! 10: * modification, are permitted provided that the following conditions
! 11: * are met:
! 12: * 1. Redistributions of source code must retain the above copyright
! 13: * notice, this list of conditions and the following disclaimer.
! 14: * 2. Redistributions in binary form must reproduce the above copyright
! 15: * notice, this list of conditions and the following disclaimer in the
! 16: * documentation and/or other materials provided with the distribution.
! 17: * 3. All advertising materials mentioning features or use of this software
! 18: * must display the following acknowledgement:
! 19: * This software was developed by Holger Veit and Brian Moore
! 20: * for use with "386BSD" and similar operating systems.
! 21: * "Similar operating systems" includes mainly non-profit oriented
! 22: * systems for research and education, including but not restricted to
! 23: * "NetBSD", "FreeBSD", "Mach" (by CMU).
! 24: * 4. Neither the name of the developer(s) nor the name "386BSD"
! 25: * may be used to endorse or promote products derived from this
! 26: * software without specific prior written permission.
! 27: *
! 28: * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY
! 29: * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 30: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 31: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE
! 32: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
! 33: * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
! 34: * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
! 35: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
! 36: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
! 37: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
! 38: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 39: *
! 40: * This file contains definitions for some cdrom control commands
! 41: * and status codes. This info was "inherited" from the DOS MTMCDE.SYS
! 42: * driver, and is thus not complete (and may even be wrong). Some day
! 43: * the manufacturer or anyone else might provide better documentation,
! 44: * so this file (and the driver) will then have a better quality.
! 45: */
! 46:
! 47: typedef unsigned char bcd_t;
! 48: #define M_msf(msf) msf[0]
! 49: #define S_msf(msf) msf[1]
! 50: #define F_msf(msf) msf[2]
! 51:
! 52: #define MCD_COMMAND 0
! 53: #define MCD_STATUS 0
! 54: #define MCD_RDATA 0
! 55: #define MCD_RESET 1
! 56: #define MCD_XFER 1
! 57: #define MCD_CTL2 2 /* XXX Is this right? */
! 58: #define MCD_CONFIG 3
! 59: #define MCD_NPORT 4
! 60:
! 61: #define MCD_MASK_DMA 0x07 /* bits 2-0 = DMA channel */
! 62: #define MCD_MASK_IRQ 0x70 /* bits 6-4 = INT number */
! 63: /* 001 = int 2,9 */
! 64: /* 010 = int 3 */
! 65: /* 011 = int 5 */
! 66: /* 100 = int 10 */
! 67: /* 101 = int 11 */
! 68:
! 69: /* Status bits */
! 70: #define MCD_ST_DOOROPEN 0x80
! 71: #define MCD_ST_DSKIN 0x40
! 72: #define MCD_ST_DSKCHNG 0x20
! 73: #define MCD_ST_SPINNING 0x10
! 74: #define MCD_ST_AUDIODISK 0x08 /* audio disk is in */
! 75: #define MCD_ST_READERR 0x04
! 76: #define MCD_ST_AUDIOBSY 0x02 /* audio disk is playing */
! 77: #define MCD_ST_CMDCHECK 0x01 /* command error */
! 78:
! 79: /* Xfer bits */
! 80: #define MCD_XF_STATUSUNAVAIL 0x04
! 81: #define MCD_XF_DATAUNAVAIL 0x02
! 82:
! 83: /* Modes */
! 84: #define MCD_MD_TESTMODE 0x80 /* 0 = DATALENGTH is valid */
! 85: #define MCD_MD_DATALENGTH 0x40 /* 1 = read ECC data also */
! 86: #define MCD_MD_ECCMODE 0x20 /* 1 = disable secondary ECC */
! 87: #define MCD_MD_SPINDOWN 0x08 /* 1 = spin down */
! 88: #define MCD_MD_READTOC 0x04 /* 1 = read TOC on GETQCHN */
! 89: #define MCD_MD_PLAYAUDIO 0x01 /* 1 = play audio through headphones */
! 90:
! 91: #define MCD_MD_RAW (MCD_MD_PLAYAUDIO|MCD_MD_ECCMODE|MCD_MD_DATALENGTH)
! 92: #define MCD_MD_COOKED (MCD_MD_PLAYAUDIO)
! 93: #define MCD_MD_TOC (MCD_MD_PLAYAUDIO|MCD_MD_READTOC)
! 94: #define MCD_MD_SLEEP (MCD_MD_PLAYAUDIO|MCD_MD_SPINDOWN)
! 95:
! 96: #define MCD_BLKSIZE_RAW sizeof(struct mcd_rawsector)
! 97: #define MCD_BLKSIZE_COOKED 2048
! 98:
! 99: /* Lock states */
! 100: #define MCD_LK_UNLOCK 0x00
! 101: #define MCD_LK_LOCK 0x01
! 102: #define MCD_LK_TEST 0x02
! 103:
! 104: /* Config commands */
! 105: #define MCD_CF_IRQENABLE 0x10
! 106: #define MCD_CF_DMATIMEOUT 0x08
! 107: #define MCD_CF_READUPC 0x04
! 108: #define MCD_CF_DMAENABLE 0x02
! 109: #define MCD_CF_BLOCKSIZE 0x01
! 110:
! 111: /* UPC subcommands */
! 112: #define MCD_UPC_DISABLE 0x00
! 113: #define MCD_UPC_ENABLE 0x01
! 114:
! 115: /* commands known by the controller */
! 116: #define MCD_CMDRESET 0x00
! 117: #define MCD_CMDGETVOLINFO 0x10 /* gets mcd_volinfo */
! 118: #define MCD_CMDGETDISKINFO 0x11 /* gets mcd_disk */
! 119: #define MCD_CMDGETQCHN 0x20 /* gets mcd_qchninfo */
! 120: #define MCD_CMDGETSENSE 0x30 /* gets sense info */
! 121: #define MCD_CMDGETSTAT 0x40 /* gets a byte of status */
! 122: #define MCD_CMDSETMODE 0x50 /* set transmission mode, needs byte */
! 123: #define MCD_CMDSTOPAUDIO 0x70
! 124: #define MCD_CMDSTOPAUDIOTIME 0x80
! 125: #define MCD_CMDGETVOLUME 0x8E /* gets mcd_volume */
! 126: #define MCD_CMDCONFIGDRIVE 0x90
! 127: #define MCD_CMDSETDRIVEMODE 0xa0 /* set drive mode */
! 128: #define MCD_CMDSETVOLUME 0xae /* sets mcd_volume */
! 129: #define MCD_CMDREAD1 0xb0 /* read n sectors */
! 130: #define MCD_CMDREADSINGLESPEED 0xc0 /* read (single speed) */
! 131: #define MCD_CMDREADDOUBLESPEED 0xc1 /* read (double speed) */
! 132: #define MCD_CMDGETDRIVEMODE 0xc2 /* get drive mode */
! 133: #define MCD_CMDREAD3 0xc3 /* ? */
! 134: #define MCD_CMDSETINTERLEAVE 0xc8 /* set interleave for read */
! 135: #define MCD_CMDCONTINFO 0xdc /* get controller info */
! 136: #define MCD_CMDSTOP 0xf0 /* stop everything */
! 137: #define MCD_CMDEJECTDISK 0xf6
! 138: #define MCD_CMDCLOSETRAY 0xf8
! 139: #define MCD_CMDSETLOCK 0xfe /* needs byte */
! 140:
! 141: union mcd_qchninfo {
! 142: struct {
! 143: u_char control:4;
! 144: u_char addr_type:4;
! 145: u_char trk_no;
! 146: u_char idx_no;
! 147: bcd_t track_size[3];
! 148: u_char :8;
! 149: bcd_t absolute_pos[3];
! 150: } toc;
! 151: struct {
! 152: u_char control:4;
! 153: u_char addr_type:4;
! 154: u_char trk_no;
! 155: u_char idx_no;
! 156: bcd_t relative_pos[3];
! 157: u_char :8;
! 158: bcd_t absolute_pos[3];
! 159: } current;
! 160: struct {
! 161: u_char control:4;
! 162: u_char addr_type:4;
! 163: u_char upccode[7];
! 164: u_char junk[2];
! 165: } upc;
! 166: } __packed;
! 167:
! 168: struct mcd_volinfo {
! 169: bcd_t trk_low;
! 170: bcd_t trk_high;
! 171: bcd_t vol_msf[3];
! 172: bcd_t trk1_msf[3];
! 173: } __packed;
! 174:
! 175: struct mcd_result {
! 176: u_char length;
! 177: union {
! 178: struct {
! 179: u_char data[1];
! 180: } raw;
! 181: struct {
! 182: u_char code;
! 183: u_char version;
! 184: } continfo;
! 185: union mcd_qchninfo qchninfo;
! 186: struct mcd_volinfo volinfo;
! 187: } data;
! 188: } __packed;
! 189:
! 190: struct mcd_command {
! 191: u_char opcode;
! 192: u_char length;
! 193: union {
! 194: struct {
! 195: u_char data[1];
! 196: } raw;
! 197: struct {
! 198: bcd_t start_msf[3];
! 199: bcd_t reserved[3];
! 200: } seek;
! 201: struct {
! 202: bcd_t start_msf[3];
! 203: bcd_t length[3];
! 204: } read;
! 205: struct {
! 206: bcd_t start_msf[3];
! 207: bcd_t end_msf[3];
! 208: } play;
! 209: struct {
! 210: u_char mode;
! 211: } datamode;
! 212: struct {
! 213: u_char time;
! 214: } hold;
! 215: struct {
! 216: u_char mode;
! 217: } drivemode;
! 218: struct {
! 219: u_char mode;
! 220: } lockmode;
! 221: struct {
! 222: u_char subcommand;
! 223: u_char data1, data2;
! 224: } config;
! 225: } data;
! 226: } __packed;
! 227:
! 228: struct mcd_mbox {
! 229: struct mcd_command cmd;
! 230: struct mcd_result res;
! 231: } __packed;
! 232:
! 233: struct mcd_volume {
! 234: u_char v0l;
! 235: u_char v0rs;
! 236: u_char v0r;
! 237: u_char v0ls;
! 238: } __packed;
! 239:
! 240: struct mcd_rawsector {
! 241: u_char sync1[12];
! 242: u_char header[4];
! 243: u_char subheader1[4];
! 244: u_char subheader2[4];
! 245: u_char data[MCD_BLKSIZE_COOKED];
! 246: u_char ecc_bits[280];
! 247: } __packed;
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