359 lines
11 KiB
C
359 lines
11 KiB
C
/*-
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* Copyright (c) 1998, 1999 Søren Schmidt
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: atapi-cd.h,v 1.2 1998/10/15 08:11:55 sos Exp $
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*/
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/*
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* CDROM Table Of Contents
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*/
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#define MAXTRK 99
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struct toc {
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struct ioc_toc_header hdr;
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struct cd_toc_entry tab[MAXTRK + 1];
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};
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/*
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* CDROM Audio Control Parameters Page
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*/
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struct audiopage {
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/* Mode Page data header */
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u_short data_length;
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u_char medium_type;
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u_char dev_spec;
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u_char unused[2];
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u_short blk_desc_len;
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/* Audio control page */
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u_char page_code;
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#define CDROM_AUDIO_PAGE 0x0e
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#define CDROM_AUDIO_PAGE_MASK 0x4e
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u_char param_len;
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u_char flags;
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#define CD_PA_SOTC 0x02
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#define CD_PA_IMMED 0x04
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u_char reserved3;
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u_char reserved4;
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u_char reserved5;
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u_short lb_per_sec;
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struct port_control {
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u_char channels:4;
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#define CHANNEL_0 1
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#define CHANNEL_1 2
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#define CHANNEL_2 4
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#define CHANNEL_3 8
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u_char volume;
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} port[4];
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};
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/*
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* CDROM Capabilities and Mechanical Status Page
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*/
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struct cappage {
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/* Mode data header */
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u_short data_length;
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u_char medium_type; /* Present media type */
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#define MST_TYPE_MASK_LOW 0x0f
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#define MST_FMT_NONE 0x00
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#define MST_DATA_120 0x01
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#define MST_AUDIO_120 0x02
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#define MST_COMB_120 0x03
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#define MST_PHOTO_120 0x04
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#define MST_DATA_80 0x05
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#define MST_AUDIO_80 0x06
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#define MST_COMB_80 0x07
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#define MST_PHOTO_80 0x08
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#define MST_TYPE_MASK_HIGH 0x70
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#define MST_CDROM 0x00
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#define MST_CDR 0x10
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#define MST_CDRW 0x20
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#define MST_NO_DISC 0x70
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#define MST_DOOR_OPEN 0x71
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#define MST_FMT_ERROR 0x72
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u_char dev_spec;
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u_char unused[2];
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u_short blk_desc_len;
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/* Capabilities page */
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u_char page_code;
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#define ATAPI_CDROM_CAP_PAGE 0x2a
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u_char param_len;
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u_char read_cdr:1; /* Supports CD-R read */
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u_char read_cdrw:1; /* Supports CD-RW read */
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u_char method2:1; /* Supports reading packet tracks */
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u_char byte2_37:5;
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u_char write_cdr:1; /* Supports CD-R write */
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u_char write_cdrw:1; /* Supports CD-RW write */
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u_char test_write:1; /* Supports test writing */
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u_char byte3_37:5;
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u_char audio_play:1; /* Audio play supported */
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u_char composite:1; /* Composite audio/video supported */
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u_char dport1:1; /* Digital audio on port 1 */
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u_char dport2:1; /* Digital audio on port 2 */
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u_char mode2_form1:1; /* Mode 2 form 1 (XA) read */
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u_char mode2_form2:1; /* Mode 2 form 2 format */
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u_char multisession:1; /* Multi-session photo-CD */
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u_char:1;
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u_char cd_da:1; /* Audio-CD read supported */
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u_char cd_da_stream:1; /* CD-DA streaming */
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u_char rw:1; /* Combined R-W subchannels */
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u_char rw_corr:1; /* R-W subchannel data corrected */
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u_char c2:1; /* C2 error pointers supported */
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u_char isrc:1; /* Can return the ISRC info */
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u_char upc:1; /* Can return the catalog number UPC */
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u_char:1;
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u_char lock:1; /* Can be locked */
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u_char locked:1; /* Current lock state */
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u_char prevent:1; /* Prevent jumper installed */
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u_char eject:1; /* Can eject */
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u_char:1;
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u_char mech:3; /* Loading mechanism type */
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#define MST_MECH_CADDY 0
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#define MST_MECH_TRAY 1
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#define MST_MECH_POPUP 2
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#define MST_MECH_CHANGER 4
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#define MST_MECH_CARTRIDGE 5
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u_char sep_vol:1; /* Independent volume of channels */
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u_char sep_mute:1; /* Independent mute of channels */
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u_char:6;
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u_short max_speed; /* Max raw data rate in bytes/1000 */
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u_short max_vol_levels; /* Number of discrete volume levels */
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u_short buf_size; /* Internal buffer size in bytes/1024 */
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u_short cur_speed; /* Current data rate in bytes/1000 */
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u_char reserved3;
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u_char bckf:1; /* Data valid on failing edge of BCK */
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u_char rch:1; /* High LRCK indicates left channel */
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u_char lsbf:1; /* Set if LSB first */
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u_char dlen:2;
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#define MST_DLEN_32 0
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#define MST_DLEN_16 1
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#define MST_DLEN_24 2
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#define MST_DLEN_24_I2S 3
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u_char:3;
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u_char reserved4[2];
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};
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/*
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* CDROM Changer mechanism status structure
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*/
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struct changer {
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u_char current_slot:5; /* Active changer slot */
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u_char mech_state:2; /* Current changer state */
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#define CH_READY 0
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#define CH_LOADING 1
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#define CH_UNLOADING 2
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#define CH_INITIALIZING 3
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u_char fault:1; /* Fault in last operation */
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u_char reserved0:5;
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u_char cd_state:3; /* Current mechanism state */
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#define CD_IDLE 0
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#define CD_AUDIO_ACTIVE 1
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#define CD_AUDIO_SCAN 2
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#define CD_HOST_ACTIVE 3
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#define CD_NO_STATE 7
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u_char current_lba[3]; /* Current LBA */
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u_char slots; /* Number of available slots */
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u_short table_length; /* Slot table length */
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struct {
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u_char changed:1; /* Media has changed in this slot */
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u_char unused:6;
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u_char present:1; /* Slot has a CD present */
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u_char reserved0;
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u_char reserved1;
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u_char reserved2;
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} slot[32];
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};
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/*
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* CDROM Write Parameters Mode Page (Burners ONLY)
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*/
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struct write_param {
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/* Mode Page data header */
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u_short data_length;
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u_char medium_type;
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u_char dev_spec;
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u_char unused[2];
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u_short blk_desc_len;
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/* Write Parameters mode page */
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u_char page_code; /* 0x05 */
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u_char page_length; /* 0x32 */
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u_char write_type:4; /* Write stream type */
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#define CDR_WTYPE_PACKET 0x00
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#define CDR_WTYPE_TRACK 0x01
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#define CDR_WTYPE_SESSION 0x02
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#define CDR_WTYPE_RAW 0x03
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u_char test_write:1; /* Test write enable */
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u_char reserved2_567:3;
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u_char track_mode:4; /* Track mode */
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#define CDR_TMODE_AUDIO 0x01
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#define CDR_TMODE_INCR_DATA 0x01
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#define CDR_TMODE_ALLOW_COPY 0x02
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#define CDR_TMODE_DATA 0x04
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#define CDR_TMODE_QUAD_AUDIO 0x08
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u_char copy:1; /* Generation stamp */
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u_char fp:1; /* Fixed packet type */
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u_char multi_session:2; /* Multi-session type */
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#define CDR_MSES_NONE 0x00
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#define CDR_MSES_FINAL 0x01
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#define CDR_MSES_RESERVED 0x02
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#define CDR_MSES_NULTI 0x03
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u_char data_block_type:4; /* Data block type code */
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#define CDR_DB_RAW 0x0 /* 2352 bytes of raw data */
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#define CDR_DB_RAW_PQ 0x1 /* 2368 bytes raw data + P/Q subchan */
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#define CDR_DB_RAW_PW 0x2 /* 2448 bytes raw data + P-W subchan */
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#define CDR_DB_RAW_PW_R 0x3 /* 2448 bytes raw data + P-W raw sub */
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#define CDR_DB_RES_4 0x4 /* Reserved */
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#define CDR_DB_RES_5 0x5 /* Reserved */
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#define CDR_DB_RES_6 0x6 /* Reserved */
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#define CDR_DB_VS_7 0x7 /* Vendor specific */
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#define CDR_DB_ROM_MODE1 0x8 /* 2048 bytes Mode 1 (ISO/IEC 10149) */
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#define CDR_DB_ROM_MODE2 0x9 /* 2336 bytes Mode 2 (ISO/IEC 10149) */
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#define CDR_DB_XA_MODE1 0x10 /* 2048 bytes Mode 1 (CD-ROM XA 1) */
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#define CDR_DB_XA_MODE2_F1 0x11 /* 2056 bytes Mode 2 (CD-ROM XA 1) */
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#define CDR_DB_XA_MODE2_F2 0x12 /* 2324 bytes Mode 2 (CD-ROM XA 2) */
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#define CDR_DB_XA_MODE2_MIX 0x13 /* 2332 bytes Mode 2 (CD-ROM XA 1/2) */
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#define CDR_DB_RES_14 0x14 /* Reserved */
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#define CDR_DB_VS_15 0x15 /* Vendor specific */
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u_char reserved4_4567:4;
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u_char reserved5;
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u_char reserved6;
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u_char host_app_code:6; /* Host application code */
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u_char reserved7_67:2;
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u_char session_format; /* Session format */
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#define CDR_SESS_CDROM 0x00
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#define CDR_SESS_CDI 0x10
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#define CDR_SESS_CDROM_XA 0x20
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u_char reserved9;
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u_int packet_size; /* Packet size in bytes */
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u_short audio_pause_length; /* Audio pause length in secs */
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u_char media_catalog_number[16];
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u_char isr_code[16];
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u_char sub_hdr_byte0;
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u_char sub_hdr_byte1;
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u_char sub_hdr_byte2;
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u_char sub_hdr_byte3;
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/*
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u_char vendor_specific_byte0;
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u_char vendor_specific_byte1;
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u_char vendor_specific_byte2;
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u_char vendor_specific_byte3;
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*/
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} __attribute__((packed));
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/*
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* CDROM Read Track Information structure
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*/
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struct acd_track_info {
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u_short data_length;
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u_char track_number; /* Current track number */
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u_char session_number; /* Current session number */
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u_char reserved4;
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u_char track_mode:4; /* Mode of this track */
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u_char copy:1; /* Generation stamp */
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u_char damage:1; /* Damaged track */
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u_char reserved5_67:2;
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u_char data_mode:4; /* Data mode of this disc */
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u_char fp:1; /* Fixed packet */
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u_char packet:1; /* Packet track */
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u_char blank:1; /* Blank (empty) track */
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u_char rt:1; /* Reserved track */
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u_char nwa_valid:1; /* next_writeable_addr field valid */
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u_char reserved7_17:7;
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u_int track_start_addr; /* Start of this track */
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u_int next_writeable_addr; /* Next writeable addr on this disc */
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u_int free_blocks; /* Free block on this disc */
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u_int fixed_packet_size; /* Size of packets on this track */
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u_int track_length; /* Length of this track */
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};
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/*
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* Structure describing an ATAPI CDROM device
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*/
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struct acd {
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int unit; /* IDE bus drive unit */
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int lun; /* Logical device unit */
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int flags; /* Device state flags */
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int refcnt; /* The number of raw opens */
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struct atapi *ata; /* Controller structure */
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struct buf_queue_head buf_queue; /* Queue of i/o requests */
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struct atapi_params *param; /* Drive parameters table */
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struct toc toc; /* Table of disc contents */
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struct {
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u_long volsize; /* Volume size in blocks */
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u_long blksize; /* Block size in bytes */
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} info;
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struct audiopage au; /* Audio page info */
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struct cappage cap; /* Capabilities page info */
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struct audiopage aumask; /* Audio page mask */
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struct { /* Subchannel info */
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u_char void0;
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u_char audio_status;
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u_short data_length;
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u_char data_format;
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u_char control;
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u_char track;
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u_char indx;
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u_long abslba;
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u_long rellba;
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} subchan;
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struct changer *changer_info; /* Changer info */
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int slot; /* This lun's slot number */
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struct devstat *device_stats; /* Devstat parameters */
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u_int block_size; /* Blocksize currently used */
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u_char dummy; /* Use dummy writes */
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u_char speed; /* Select drive speed */
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u_int next_writeable_lba; /* Next writable position */
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struct wormio_prepare_track preptrack; /* Scratch region */
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#ifdef DEVFS
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void *ra_devfs_token;
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void *rc_devfs_token;
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void *a_devfs_token;
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void *c_devfs_token;
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#endif
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};
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#define CDRIOCBLANK _IO('c',100) /* Blank a CDRW disc */
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#define CDRIOCNEXTWRITEABLEADDR _IOR('c',101,int)
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