1 /* $NetBSD: mcdreg.h,v 1.5 1994/10/27 04:17:59 cgd Exp $ */ 2 3 /* 4 * Copyright 1993 by Holger Veit (data part) 5 * Copyright 1993 by Brian Moore (audio part) 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This software was developed by Holger Veit and Brian Moore 19 * for use with "386BSD" and similar operating systems. 20 * "Similar operating systems" includes mainly non-profit oriented 21 * systems for research and education, including but not restricted to 22 * "NetBSD", "FreeBSD", "Mach" (by CMU). 23 * 4. Neither the name of the developer(s) nor the name "386BSD" 24 * may be used to endorse or promote products derived from this 25 * software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY 28 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE 31 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 32 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 33 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 34 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 35 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 36 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 37 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 38 * 39 * This file contains definitions for some cdrom control commands 40 * and status codes. This info was "inherited" from the DOS MTMCDE.SYS 41 * driver, and is thus not complete (and may even be wrong). Some day 42 * the manufacturer or anyone else might provide better documentation, 43 * so this file (and the driver) will then have a better quality. 44 */ 45 46 #ifdef __GNUC__ 47 #if __GNUC__ >= 2 48 #pragma pack(1) 49 #endif 50 #endif 51 52 typedef unsigned char bcd_t; 53 #define M_msf(msf) msf[0] 54 #define S_msf(msf) msf[1] 55 #define F_msf(msf) msf[2] 56 57 /* io lines used */ 58 #define MCD_IO_BASE 0x300 59 60 #define mcd_command 0 61 #define mcd_status 0 62 #define mcd_rdata 0 63 64 #define mcd_reset 1 65 #define mcd_xfer 1 66 #define mcd_ctl2 2 /* XXX Is this right? */ 67 68 #define mcd_config 3 69 #define MCD_MASK_DMA 0x07 /* bits 2-0 = DMA channel */ 70 #define MCD_MASK_IRQ 0x70 /* bits 6-4 = INT number */ 71 /* 001 = int 2,9 */ 72 /* 010 = int 3 */ 73 /* 011 = int 5 */ 74 /* 100 = int 10 */ 75 /* 101 = int 11 */ 76 77 /* Status bits */ 78 #define MCD_ST_DOOROPEN 0x80 79 #define MCD_ST_DSKIN 0x40 80 #define MCD_ST_DSKCHNG 0x20 81 #define MCD_ST_BUSY 0x04 82 #define MCD_ST_AUDIOBSY 0x02 83 84 /* commands known by the controller */ 85 #define MCD_CMDRESET 0x00 86 #define MCD_CMDGETVOLINFO 0x10 /* gets mcd_volinfo */ 87 #define MCD_CMDGETQCHN 0x20 /* gets mcd_qchninfo */ 88 #define MCD_CMDGETSTAT 0x40 /* gets a byte of status */ 89 #define MCD_CMDSETMODE 0x50 /* set transmission mode, needs byte */ 90 #define MCD_MD_RAW 0x60 91 #define MCD_MD_COOKED 0x01 92 #define MCD_MD_TOC 0x05 93 #define MCD_CMDSTOPAUDIO 0x70 94 #define MCD_CMDGETVOLUME 0x8E /* gets mcd_volume */ 95 #define MCD_CMDSETVOLUME 0xAE /* sets mcd_volume */ 96 #define MCD_CMDREAD1 0xB0 /* read n sectors */ 97 #define MCD_CMDREAD2 0xC0 /* read from-to */ 98 #define MCD_CMDCONTINFO 0xDC /* Get controller info */ 99 #define MCD_CMDEJECTDISK 0xF6 100 #define MCD_CMDCLOSETRAY 0xF8 101 #define MCD_CMDLOCKDRV 0xFE /* needs byte */ 102 #define MCD_LK_UNLOCK 0x00 103 #define MCD_LK_LOCK 0x01 104 #define MCD_LK_TEST 0x02 105 106 struct mcd_volinfo { 107 bcd_t trk_low; 108 bcd_t trk_high; 109 bcd_t vol_msf[3]; 110 bcd_t trk1_msf[3]; 111 }; 112 113 struct mcd_qchninfo { 114 u_char ctrl_adr; 115 u_char trk_no; 116 u_char idx_no; 117 bcd_t trk_size_msf[3]; 118 u_char :8; 119 bcd_t hd_pos_msf[3]; 120 }; 121 122 struct mcd_volume { 123 u_char v0l; 124 u_char v0rs; 125 u_char v0r; 126 u_char v0ls; 127 }; 128 129 struct mcd_read1 { 130 bcd_t start_msf[3]; 131 u_char nsec[3]; 132 }; 133 134 struct mcd_read2 { 135 bcd_t start_msf[3]; 136 bcd_t end_msf[3]; 137 }; 138