1 /* $NetBSD: linux_cdrom.h,v 1.8 2008/04/28 20:23:43 martin 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _LINUX_CDROM_H 33 #define _LINUX_CDROM_H 34 35 #include <machine/endian.h> 36 37 #define LINUX_CDROMPAUSE 0x5301 38 #define LINUX_CDROMRESUME 0x5302 39 #define LINUX_CDROMPLAYMSF 0x5303 /* (struct linux_cdrom_msf) */ 40 #define LINUX_CDROMPLAYTRKIND 0x5304 /* (struct linux_cdrom_ti) */ 41 #define LINUX_CDROMREADTOCHDR 0x5305 /* (struct linux_cdrom_tochdr) */ 42 #define LINUX_CDROMREADTOCENTRY 0x5306 /* (struct linux_cdrom_tocentry) */ 43 #define LINUX_CDROMSTOP 0x5307 44 #define LINUX_CDROMSTART 0x5308 45 #define LINUX_CDROMEJECT 0x5309 46 #define LINUX_CDROMVOLCTRL 0x530a /* (struct linux_cdrom_volctrl) */ 47 #define LINUX_CDROMSUBCHNL 0x530b /* (struct linux_cdrom_subchnl) */ 48 #define LINUX_CDROMEJECT_SW 0x530f /* arg: 0 or 1 */ 49 #define LINUX_CDROMMULTISESSION 0x5310 /* (struct linux_cdrom_multisession) */ 50 #define LINUX_CDROMRESET 0x5312 51 #define LINUX_CDROMVOLREAD 0x5313 /* (struct linux_cdrom_volctrl) */ 52 #define LINUX_CDROMPLAYBLK 0x5317 /* (struct linux_cdrom_blk) */ 53 #define LINUX_CDROMCLOSETRAY 0x5319 /* */ 54 #define LINUX_CDROM_SET_OPTIONS 0x5320 /* int */ 55 #define LINUX_CDROM_CLEAR_OPTIONS 0x5321 /* int */ 56 #define LINUX_CDROM_SELECT_SPEED 0x5322 57 #define LINUX_CDROM_SELECT_DISC 0x5323 58 #define LINUX_CDROM_MEDIA_CHANGED 0x5325 59 #define LINUX_CDROM_DRIVE_STATUS 0x5326 60 #define LINUX_CDROM_DISC_STATUS 0x5327 61 #define LINUX_CDROM_CHANGER_NSLOTS 0x5328 62 #define LINUX_CDROM_LOCKDOOR 0x5329 63 #define LINUX_CDROM_DEBUG 0x5330 64 #define LINUX_CDROM_GET_CAPABILITY 0x5331 65 66 /* DVD-ROM Specific ioctls */ 67 #define LINUX_DVD_READ_STRUCT 0x5390 /* Read structure */ 68 #define LINUX_DVD_WRITE_STRUCT 0x5391 /* Write structure */ 69 #define LINUX_DVD_AUTH 0x5392 /* Authentication */ 70 71 struct linux_cdrom_blk { 72 unsigned from; 73 unsigned short len; 74 }; 75 76 struct linux_cdrom_msf { 77 u_char cdmsf_min0; /* start minute */ 78 u_char cdmsf_sec0; /* start second */ 79 u_char cdmsf_frame0; /* start frame */ 80 u_char cdmsf_min1; /* end minute */ 81 u_char cdmsf_sec1; /* end second */ 82 u_char cdmsf_frame1; /* end frame */ 83 }; 84 85 struct linux_cdrom_ti { 86 u_char cdti_trk0; /* start track */ 87 u_char cdti_ind0; /* start index */ 88 u_char cdti_trk1; /* end track */ 89 u_char cdti_ind1; /* end index */ 90 }; 91 92 struct linux_cdrom_tochdr { 93 u_char cdth_trk0; /* start track */ 94 u_char cdth_trk1; /* end track */ 95 }; 96 97 struct linux_cdrom_msf0 { 98 u_char minute; 99 u_char second; 100 u_char frame; 101 }; 102 103 union linux_cdrom_addr { 104 struct linux_cdrom_msf0 msf; 105 int lba; 106 }; 107 108 struct linux_cdrom_tocentry { 109 u_char cdte_track; 110 u_char cdte_adr :4; 111 u_char cdte_ctrl :4; 112 u_char cdte_format; 113 union linux_cdrom_addr cdte_addr; 114 u_char cdte_datamode; 115 }; 116 117 struct linux_cdrom_subchnl { 118 u_char cdsc_format; 119 u_char cdsc_audiostatus; 120 u_char cdsc_adr: 4; 121 u_char cdsc_ctrl: 4; 122 u_char cdsc_trk; 123 u_char cdsc_ind; 124 union linux_cdrom_addr cdsc_absaddr; 125 union linux_cdrom_addr cdsc_reladdr; 126 }; 127 128 struct linux_cdrom_volctrl { 129 u_char channel0; 130 u_char channel1; 131 u_char channel2; 132 u_char channel3; 133 }; 134 135 struct linux_cdrom_multisession { 136 union linux_cdrom_addr addr; 137 u_char xa_flag; 138 u_char addr_format; 139 }; 140 141 struct linux_cdrom_mechstat_header { 142 #if BYTE_ORDER == BIG_ENDIAN 143 u_int8_t fault : 1; 144 u_int8_t changer_state : 2; 145 u_int8_t curslot : 5; 146 u_int8_t mech_state : 3; 147 u_int8_t door_open : 1; 148 u_int8_t reserved1 : 4; 149 #elif BYTE_ORDER == LITTLE_ENDIAN 150 u_int8_t curslot : 5; 151 u_int8_t changer_state : 2; 152 u_int8_t fault : 1; 153 u_int8_t reserved1 : 4; 154 u_int8_t door_open : 1; 155 u_int8_t mech_state : 3; 156 #endif 157 u_int8_t curlba[3]; 158 u_int8_t nslots; 159 u_int16_t slot_tablelen; 160 }; 161 162 struct linux_cdrom_slot { 163 #if BYTE_ORDER == BIG_ENDIAN 164 u_int8_t disc_present : 1; 165 u_int8_t reserved1 : 6; 166 u_int8_t change : 1; 167 #elif BYTE_ORDER == LITTLE_ENDIAN 168 u_int8_t change : 1; 169 u_int8_t reserved1 : 6; 170 u_int8_t disc_present : 1; 171 #endif 172 u_int8_t reserved2[3]; 173 }; 174 175 #define LINUX_CDROM_MAX_SLOTS 256 176 177 struct linux_cdrom_changer_info { 178 struct linux_cdrom_mechstat_header hdr; 179 struct linux_cdrom_slot slots[LINUX_CDROM_MAX_SLOTS]; 180 }; 181 182 #endif /* !_LINUX_CDROM_H */ 183