1 /* $NetBSD: linux_cdrom.h,v 1.5 2000/12/10 14:12:16 fvdl Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Eric Haszlakiewicz. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _LINUX_CDROM_H 40 #define _LINUX_CDROM_H 41 42 #include <machine/endian.h> 43 44 #define LINUX_CDROMPAUSE 0x5301 45 #define LINUX_CDROMRESUME 0x5302 46 #define LINUX_CDROMPLAYMSF 0x5303 /* (struct linux_cdrom_msf) */ 47 #define LINUX_CDROMPLAYTRKIND 0x5304 /* (struct linux_cdrom_ti) */ 48 #define LINUX_CDROMREADTOCHDR 0x5305 /* (struct linux_cdrom_tochdr) */ 49 #define LINUX_CDROMREADTOCENTRY 0x5306 /* (struct linux_cdrom_tocentry) */ 50 #define LINUX_CDROMSTOP 0x5307 51 #define LINUX_CDROMSTART 0x5308 52 #define LINUX_CDROMEJECT 0x5309 53 #define LINUX_CDROMVOLCTRL 0x530a /* (struct linux_cdrom_volctrl) */ 54 #define LINUX_CDROMSUBCHNL 0x530b /* (struct linux_cdrom_subchnl) */ 55 #define LINUX_CDROMEJECT_SW 0x530f /* arg: 0 or 1 */ 56 #define LINUX_CDROMMULTISESSION 0x5310 /* (struct linux_cdrom_multisession) */ 57 #define LINUX_CDROMRESET 0x5312 58 #define LINUX_CDROMVOLREAD 0x5313 /* (struct linux_cdrom_volctrl) */ 59 #define LINUX_CDROMPLAYBLK 0x5317 /* (struct linux_cdrom_blk) */ 60 #define LINUX_CDROMCLOSETRAY 0x5319 /* */ 61 #define LINUX_CDROM_SET_OPTIONS 0x5320 /* int */ 62 #define LINUX_CDROM_CLEAR_OPTIONS 0x5321 /* int */ 63 #define LINUX_CDROM_SELECT_SPEED 0x5322 64 #define LINUX_CDROM_SELECT_DISC 0x5323 65 #define LINUX_CDROM_MEDIA_CHANGED 0x5325 66 #define LINUX_CDROM_DRIVE_STATUS 0x5326 67 #define LINUX_CDROM_DISC_STATUS 0x5327 68 #define LINUX_CDROM_CHANGER_NSLOTS 0x5328 69 #define LINUX_CDROM_LOCKDOOR 0x5329 70 #define LINUX_CDROM_DEBUG 0x5330 71 #define LINUX_CDROM_GET_CAPABILITY 0x5331 72 73 /* DVD-ROM Specific ioctls */ 74 #define LINUX_DVD_READ_STRUCT 0x5390 /* Read structure */ 75 #define LINUX_DVD_WRITE_STRUCT 0x5391 /* Write structure */ 76 #define LINUX_DVD_AUTH 0x5392 /* Authentication */ 77 78 struct linux_cdrom_blk { 79 unsigned from; 80 unsigned short len; 81 }; 82 83 struct linux_cdrom_msf { 84 u_char cdmsf_min0; /* start minute */ 85 u_char cdmsf_sec0; /* start second */ 86 u_char cdmsf_frame0; /* start frame */ 87 u_char cdmsf_min1; /* end minute */ 88 u_char cdmsf_sec1; /* end second */ 89 u_char cdmsf_frame1; /* end frame */ 90 }; 91 92 struct linux_cdrom_ti { 93 u_char cdti_trk0; /* start track */ 94 u_char cdti_ind0; /* start index */ 95 u_char cdti_trk1; /* end track */ 96 u_char cdti_ind1; /* end index */ 97 }; 98 99 struct linux_cdrom_tochdr { 100 u_char cdth_trk0; /* start track */ 101 u_char cdth_trk1; /* end track */ 102 }; 103 104 struct linux_cdrom_msf0 { 105 u_char minute; 106 u_char second; 107 u_char frame; 108 }; 109 110 union linux_cdrom_addr { 111 struct linux_cdrom_msf0 msf; 112 int lba; 113 }; 114 115 struct linux_cdrom_tocentry { 116 u_char cdte_track; 117 u_char cdte_adr :4; 118 u_char cdte_ctrl :4; 119 u_char cdte_format; 120 union linux_cdrom_addr cdte_addr; 121 u_char cdte_datamode; 122 }; 123 124 struct linux_cdrom_subchnl { 125 u_char cdsc_format; 126 u_char cdsc_audiostatus; 127 u_char cdsc_adr: 4; 128 u_char cdsc_ctrl: 4; 129 u_char cdsc_trk; 130 u_char cdsc_ind; 131 union linux_cdrom_addr cdsc_absaddr; 132 union linux_cdrom_addr cdsc_reladdr; 133 }; 134 135 struct linux_cdrom_volctrl { 136 u_char channel0; 137 u_char channel1; 138 u_char channel2; 139 u_char channel3; 140 }; 141 142 struct linux_cdrom_multisession { 143 union linux_cdrom_addr addr; 144 u_char xa_flag; 145 u_char addr_format; 146 }; 147 148 struct linux_cdrom_mechstat_header { 149 #if BYTE_ORDER == BIG_ENDIAN 150 u_int8_t fault : 1; 151 u_int8_t changer_state : 2; 152 u_int8_t curslot : 5; 153 u_int8_t mech_state : 3; 154 u_int8_t door_open : 1; 155 u_int8_t reserved1 : 4; 156 #elif BYTE_ORDER == LITTLE_ENDIAN 157 u_int8_t curslot : 5; 158 u_int8_t changer_state : 2; 159 u_int8_t fault : 1; 160 u_int8_t reserved1 : 4; 161 u_int8_t door_open : 1; 162 u_int8_t mech_state : 3; 163 #endif 164 u_int8_t curlba[3]; 165 u_int8_t nslots; 166 u_int16_t slot_tablelen; 167 }; 168 169 struct linux_cdrom_slot { 170 #if BYTE_ORDER == BIG_ENDIAN 171 u_int8_t disc_present : 1; 172 u_int8_t reserved1 : 6; 173 u_int8_t change : 1; 174 #elif BYTE_ORDER == LITTLE_ENDIAN 175 u_int8_t change : 1; 176 u_int8_t reserved1 : 6; 177 u_int8_t disc_present : 1; 178 #endif 179 u_int8_t reserved2[3]; 180 }; 181 182 #define LINUX_CDROM_MAX_SLOTS 256 183 184 struct linux_cdrom_changer_info { 185 struct linux_cdrom_mechstat_header hdr; 186 struct linux_cdrom_slot slots[LINUX_CDROM_MAX_SLOTS]; 187 }; 188 189 #endif /* !_LINUX_CDROM_H */ 190