1 /*- 2 * Copyright 1993 by Holger Veit (data part) 3 * Copyright 1993 by Brian Moore (audio part) 4 * Changes Copyright 1993 by Gary Clark II 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This software was developed by Holger Veit and Brian Moore 18 * for use with "386BSD" and similar operating systems. 19 * "Similar operating systems" includes mainly non-profit oriented 20 * systems for research and education, including but not restricted to 21 * "NetBSD", "FreeBSD", "Mach" (by CMU). 22 * 4. Neither the name of the developer(s) nor the name "386BSD" 23 * may be used to endorse or promote products derived from this 24 * software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY 27 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE 30 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 31 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 32 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 33 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 34 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 35 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 36 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 37 * 38 * This file contains definitions for some cdrom control commands 39 * and status codes. This info was "inherited" from the DOS MTMCDE.SYS 40 * driver, and is thus not complete (and may even be wrong). Some day 41 * the manufacturer or anyone else might provide better documentation, 42 * so this file (and the driver) will then have a better quality. 43 * 44 * $FreeBSD$ 45 */ 46 47 #ifndef MCD_H 48 #define MCD_H 49 50 /* toc */ 51 #define MCD_MAXTOCS 104 /* from the Linux driver */ 52 #define MCD_LASTPLUS1 170 /* special toc entry */ 53 54 typedef unsigned char bcd_t; 55 #define M_msf(msf) msf[0] 56 #define S_msf(msf) msf[1] 57 #define F_msf(msf) msf[2] 58 59 /* io lines used */ 60 #define MCD_IO_BASE 0x300 61 62 #define MCD_REG_COMMAND 0 63 #define MCD_REG_STATUS 0 64 #define MCD_REG_RDATA 0 65 66 #define MCD_REG_RESET 1 67 #define MCD_REG_CTL2 2 /* XXX Is this right? */ 68 #define MCD_REG_CONFIG 3 69 70 #define MCD_MASK_DMA 0x07 /* bits 2-0 = DMA channel */ 71 #define MCD_MASK_IRQ 0x70 /* bits 6-4 = INT number */ 72 /* 001 = int 2,9 */ 73 /* 010 = int 3 */ 74 /* 011 = int 5 */ 75 /* 100 = int 10 */ 76 /* 101 = int 11 */ 77 /* flags */ 78 #define MFL_DATA_NOT_AVAIL 0x02 79 #define MFL_STATUS_NOT_AVAIL 0x04 80 81 /* New Commands */ 82 #define M_RESET 0x00 83 #define M_PICKLE 0x04 84 85 /* ports */ 86 #define MCD_DATA 0 87 #define MCD_FLAGS 1 88 #define MCD_CTRL 2 89 #define CHANNEL 3 /* XXX ??? */ 90 91 /* Status bits */ 92 #define MCD_ST_DOOROPEN 0x80 93 #define MCD_ST_DSKIN 0x40 94 #define MCD_ST_DSKCHNG 0x20 95 #define MCD_ST_SPINNING 0x10 96 #define MCD_ST_AUDIODISK 0x08 /* Audio Disk is in */ 97 #define MCD_ST_BUSY 0x04 98 #define MCD_ST_AUDIOBSY 0x02 /* Audio Disk is Playing */ 99 #define MCD_ST_CMDCHECK 0x01 /* Command error */ 100 101 /* commands known by the controller */ 102 #define MCD_CMDRESET 0x00 103 #define MCD_CMDGETVOLINFO 0x10 /* gets mcd_volinfo */ 104 #define MCD_CMDGETDISKINFO 0x11 /* gets mcd_disk information */ 105 #define MCD_CMDGETQCHN 0x20 /* gets mcd_qchninfo */ 106 #define MCD_CMDGETSENSE 0x30 /* gets sense info */ 107 #define MCD_CMDGETSTAT 0x40 /* gets a byte of status */ 108 109 #define MCD_CMDSETMODE 0x50 /* set transmission mode, needs byte */ 110 111 #define MCD_MDBIT_TESTMODE 0x80 /* 0 = DATALENGTH setting is valid */ 112 #define MCD_MDBIT_DATALENGTH 0x40 /* 0 = Read User Data Only */ 113 /* 1 = Read Raw sectors (2352 bytes) */ 114 115 #define MCDBLK 2048 /* for cooked mode */ 116 #define MCDRBLK sizeof(struct mcd_rawsector) /* for raw mode */ 117 118 #define MCD_MDBIT_ECCMODE 0x20 /* 0 = Use secondary correction */ 119 /* 1 = Don't use secondary ECC */ 120 #define MCD_MDBIT_SPINDOWN 0x08 /* 0 = Spin Up, 1 = Spin Down */ 121 #define MCD_MDBIT_GET_TOC 0x04 /* 0 = Get UPC on next GETQCHAN */ 122 /* 1 = Get TOC on GETQCHAN */ 123 #define MCD_MDBIT_MUTEDATA 0x01 /* 1 = Don't play back Data as audio */ 124 125 #define MCD_MD_RAW (MCD_MDBIT_DATALENGTH|MCD_MDBIT_ECCMODE|MCD_MDBIT_MUTEDATA) 126 #define MCD_MD_COOKED (MCD_MDBIT_MUTEDATA) 127 #define MCD_MD_TOC (MCD_MDBIT_GET_TOC|MCD_MDBIT_MUTEDATA) 128 129 #define MCD_CMDSTOPAUDIO 0x70 130 #define MCD_CMDSTOPAUDIOTIME 0x80 131 #define MCD_CMDGETVOLUME 0x8E /* gets mcd_volume */ 132 #define MCD_CMDSETDRIVEMODE 0xA0 /* Set drive mode */ 133 #define MCD_READUPC 0xA2 /* Get UPC info */ 134 #define MCD_CMDSETVOLUME 0xAE /* sets mcd_volume */ 135 #define MCD_CMDREAD1 0xB0 /* read n sectors */ 136 #define MCD_CMDSINGLESPEEDREAD 0xC0 /* read from-to */ 137 #define MCD_CMDSTARTAUDIOMSF 0xC1 /* read audio data */ 138 #define MCD_CMDDOUBLESPEEDREAD 0xC1 /* Read lots of data from the drive */ 139 #define MCD_CMDGETDRIVEMODE 0xC2 /* Get the drive mode */ 140 #define MCD_CMDREAD 0xC3 /* Read data from the drive */ 141 #define MCD_CMDSETINTERLEAVE 0xC8 /* Adjust the interleave */ 142 #define MCD_CMDCONTINFO 0xDC /* Get controller info */ 143 #define MCD_CMDSTOP 0xF0 /* Stop everything */ 144 #define MCD_CMDEJECTDISK 0xF6 145 #define MCD_CMDCLOSETRAY 0xF8 146 147 #define MCD_CMDLOCKDRV 0xFE /* needs byte */ 148 #define MCD_LK_UNLOCK 0x00 149 #define MCD_LK_LOCK 0x01 150 #define MCD_LK_TEST 0x02 151 152 /* DMA Enable Stuff */ 153 #define MCD_DMA_IRQFLAGS 0x10 /* Set data0 for IRQ click */ 154 155 #define MCD_DMA_PREIRQ 0x01 /* All of these are for */ 156 #define MCD_DMA_POSTIRQ 0x02 /* MCD_DMA_IRQFLAG... */ 157 #define MCD_DMA_ERRIRQ 0x04 /* */ 158 159 #define MCD_DMA_TIMEOUT 0x08 /* Set data0 for DMA timeout */ 160 #define MCD_DMA_UPCFLAG 0x04 /* 1 = Next command will be READUPC */ 161 162 #define MCD_DMA_DMAMODE 0x02 /* 1 = Data uses DMA */ 163 #define MCD_DMA_TRANSFERLENGTH 0x01 /* data0 = MSB, data1 = LSB of block length */ 164 165 struct mcd_dma_mode { 166 u_char dma_mode; 167 u_char data0; /* If dma_mode & 0x10: Use IRQ settings */ 168 u_char data1; /* Used if dma_mode & 0x01 */ 169 } __packed; 170 171 struct mcd_volinfo { 172 bcd_t trk_low; 173 bcd_t trk_high; 174 bcd_t vol_msf[3]; 175 bcd_t trk1_msf[3]; 176 } __packed; 177 178 struct mcd_qchninfo { 179 u_char addr_type:4; 180 u_char control:4; 181 u_char trk_no; 182 u_char idx_no; 183 bcd_t trk_size_msf[3]; 184 u_char :8; 185 bcd_t hd_pos_msf[3]; 186 } __packed; 187 188 struct mcd_volume { 189 u_char v0l; 190 u_char v0rs; 191 u_char v0r; 192 u_char v0ls; 193 } __packed; 194 195 struct mcd_holdtime { 196 u_char units_of_ten_seconds; 197 /* If this is 0, the default (12) is used */ 198 } __packed; 199 200 struct mcd_read1 { 201 bcd_t start_msf[3]; 202 u_char nsec[3]; 203 } __packed; 204 205 struct mcd_read2 { 206 bcd_t start_msf[3]; 207 bcd_t end_msf[3]; 208 } __packed; 209 210 struct mcd_rawsector { 211 u_char sync1[12]; 212 u_char header[4]; 213 u_char subheader1[4]; 214 u_char subheader2[4]; 215 u_char data[MCDBLK]; 216 u_char ecc_bits[280]; 217 } __packed; 218 219 #endif /* MCD_H */ 220