7800211b08
Initial work & code by tmm. Lots of changes and rearrangements by yours truely to make busdma be a little less a PITA (but I still dont like it).
400 lines
14 KiB
C
400 lines
14 KiB
C
/*-
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* Copyright (c) 1998,1999,2000,2001,2002 Søren Schmidt <sos@FreeBSD.org>
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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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* $FreeBSD$
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*/
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/* CDROM Table Of Contents */
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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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/* DVD CSS authentication */
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struct dvd_miscauth {
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u_int16_t length;
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u_int16_t reserved;
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u_int8_t data[2048];
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};
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/* CDROM Audio Control Parameters Page */
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struct audiopage {
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/* mode page data header */
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u_int16_t data_length;
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u_int8_t medium_type;
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u_int8_t dev_spec;
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u_int8_t unused[2];
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u_int16_t blk_desc_len;
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/* audio control page */
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u_int8_t page_code;
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#define ATAPI_CDROM_AUDIO_PAGE 0x0e
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#define ATAPI_CDROM_AUDIO_PAGE_MASK 0x4e
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u_int8_t param_len;
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u_int8_t flags;
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#define CD_PA_SOTC 0x02
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#define CD_PA_IMMED 0x04
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u_int8_t reserved3;
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u_int8_t reserved4;
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u_int8_t reserved5;
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u_int16_t lb_per_sec;
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struct port_control {
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u_int8_t 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_int8_t volume;
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} port[4];
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};
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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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#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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#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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#define ATAPI_CDROM_CAP_PAGE 0x2a
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/* CDROM Capabilities and Mechanical Status Page */
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struct cappage {
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/* mode page data header */
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u_int16_t data_length;
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u_int8_t medium_type;
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u_int8_t dev_spec;
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u_int8_t unused[2];
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u_int16_t blk_desc_len;
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/* capabilities page */
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u_int8_t page_code;
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u_int8_t param_len;
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#if BYTE_ORDER == LITTLE_ENDIAN
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u_int8_t read_cdr :1; /* supports CD-R read */
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u_int8_t read_cdrw :1; /* supports CD-RW read */
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u_int8_t read_packet :1; /* supports reading packet tracks */
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u_int8_t read_dvdrom :1; /* supports DVD-ROM read */
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u_int8_t read_dvdr :1; /* supports DVD-R read */
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u_int8_t read_dvdram :1; /* supports DVD-RAM read */
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u_int8_t reserved2_67 :2;
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u_int8_t write_cdr :1; /* supports CD-R write */
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u_int8_t write_cdrw :1; /* supports CD-RW write */
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u_int8_t test_write :1; /* supports test writing */
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u_int8_t reserved3_3 :1;
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u_int8_t write_dvdr :1; /* supports DVD-R write */
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u_int8_t write_dvdram :1; /* supports DVD-RAM write */
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u_int8_t reserved3_67 :2;
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u_int8_t audio_play :1; /* audio play supported */
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u_int8_t composite :1; /* composite audio/video supported */
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u_int8_t dport1 :1; /* digital audio on port 1 */
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u_int8_t dport2 :1; /* digital audio on port 2 */
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u_int8_t mode2_form1 :1; /* mode 2 form 1 (XA) read */
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u_int8_t mode2_form2 :1; /* mode 2 form 2 format */
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u_int8_t multisession :1; /* multi-session photo-CD */
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u_int8_t burnproof :1; /* supports burnproof */
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u_int8_t cd_da :1; /* audio-CD read supported */
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u_int8_t cd_da_stream :1; /* CD-DA streaming */
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u_int8_t rw :1; /* combined R-W subchannels */
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u_int8_t rw_corr :1; /* R-W subchannel data corrected */
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u_int8_t c2 :1; /* C2 error pointers supported */
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u_int8_t isrc :1; /* can return the ISRC info */
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u_int8_t upc :1; /* can return the catalog number UPC */
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u_int8_t :1;
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u_int8_t lock :1; /* can be locked */
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u_int8_t locked :1; /* current lock state */
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u_int8_t prevent :1; /* prevent jumper installed */
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u_int8_t eject :1; /* can eject */
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u_int8_t :1;
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u_int8_t mech :3; /* loading mechanism type */
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u_int8_t sep_vol :1; /* independent volume of channels */
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u_int8_t sep_mute :1; /* independent mute of channels */
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u_int8_t:6;
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#else
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/* This is read using 16-bit stream transfers */
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u_int8_t reserved2_67 :2;
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u_int8_t read_dvdram :1; /* supports DVD-RAM read */
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u_int8_t read_dvdr :1; /* supports DVD-R read */
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u_int8_t read_dvdrom :1; /* supports DVD-ROM read */
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u_int8_t read_packet :1; /* supports reading packet tracks */
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u_int8_t read_cdrw :1; /* supports CD-RW read */
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u_int8_t read_cdr :1; /* supports CD-R read */
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u_int8_t reserved3_67 :2;
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u_int8_t write_dvdram :1; /* supports DVD-RAM write */
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u_int8_t write_dvdr :1; /* supports DVD-R write */
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u_int8_t reserved3_3 :1;
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u_int8_t test_write :1; /* supports test writing */
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u_int8_t write_cdrw :1; /* supports CD-RW write */
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u_int8_t write_cdr :1; /* supports CD-R write */
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u_int8_t burnproof :1; /* supports burnproof */
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u_int8_t multisession :1; /* multi-session photo-CD */
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u_int8_t mode2_form2 :1; /* mode 2 form 2 format */
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u_int8_t mode2_form1 :1; /* mode 2 form 1 (XA) read */
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u_int8_t dport2 :1; /* digital audio on port 2 */
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u_int8_t dport1 :1; /* digital audio on port 1 */
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u_int8_t composite :1; /* composite audio/video supported */
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u_int8_t audio_play :1; /* audio play supported */
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u_int8_t :1;
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u_int8_t upc :1; /* can return the catalog number UPC */
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u_int8_t isrc :1; /* can return the ISRC info */
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u_int8_t c2 :1; /* C2 error pointers supported */
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u_int8_t rw_corr :1; /* R-W subchannel data corrected */
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u_int8_t rw :1; /* combined R-W subchannels */
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u_int8_t cd_da_stream :1; /* CD-DA streaming */
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u_int8_t cd_da :1; /* audio-CD read supported */
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u_int8_t mech :3; /* loading mechanism type */
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u_int8_t :1;
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u_int8_t eject :1; /* can eject */
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u_int8_t prevent :1; /* prevent jumper installed */
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u_int8_t locked :1; /* current lock state */
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u_int8_t lock :1; /* can be locked */
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u_int8_t:6;
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u_int8_t sep_mute :1; /* independent mute of channels */
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u_int8_t sep_vol :1; /* independent volume of channels */
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#endif
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u_int16_t max_read_speed; /* max raw data rate in bytes/1000 */
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u_int16_t max_vol_levels; /* number of discrete volume levels */
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u_int16_t buf_size; /* internal buffer size in bytes/1024 */
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u_int16_t cur_read_speed; /* current data rate in bytes/1000 */
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u_int8_t reserved3;
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#if BYTE_ORDER == LITTLE_ENDIAN
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u_int8_t bckf :1; /* data valid on failing edge of BCK */
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u_int8_t rch :1; /* high LRCK indicates left channel */
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u_int8_t lsbf :1; /* set if LSB first */
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u_int8_t dlen :2;
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u_int8_t :3;
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#else
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u_int8_t :3;
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u_int8_t dlen :2;
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u_int8_t lsbf :1; /* set if LSB first */
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u_int8_t rch :1; /* high LRCK indicates left channel */
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u_int8_t bckf :1; /* data valid on failing edge of BCK */
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#endif
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u_int16_t max_write_speed; /* max raw data rate in bytes/1000 */
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u_int16_t cur_write_speed; /* current data rate in bytes/1000 */
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u_int16_t copy_protect_rev;
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u_int16_t reserved4;
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};
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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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#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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/* CDROM Changer mechanism status structure */
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struct changer {
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u_int8_t current_slot :5; /* active changer slot */
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u_int8_t mech_state :2; /* current changer state */
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u_int8_t fault :1; /* fault in last operation */
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u_int8_t reserved0 :5;
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u_int8_t cd_state :3; /* current mechanism state */
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u_int8_t current_lba[3]; /* current LBA */
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u_int8_t slots; /* number of available slots */
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u_int16_t table_length; /* slot table length */
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struct {
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u_int8_t changed :1; /* media has changed in this slot */
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u_int8_t unused :6;
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u_int8_t present :1; /* slot has a CD present */
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u_int8_t reserved0;
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u_int8_t reserved1;
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u_int8_t reserved2;
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} slot[32];
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};
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/* CDROM Write Parameters Mode Page (Burners ONLY) */
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struct write_param {
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/* mode page data header */
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u_int16_t data_length;
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u_int8_t medium_type;
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u_int8_t dev_spec;
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u_int8_t unused[2];
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u_int16_t blk_desc_len;
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/* write parameters page */
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u_int8_t page_code;
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#define ATAPI_CDROM_WRITE_PARAMETERS_PAGE 0x05
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u_int8_t page_length; /* 0x32 */
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u_int8_t 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_int8_t test_write :1; /* test write enable */
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u_int8_t reserved2_5 :1;
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u_int8_t burnproof :1; /* BurnProof enable */
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u_int8_t reserved2_7 :1;
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u_int8_t track_mode :4; /* track mode */
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#define CDR_TMODE_AUDIO 0x00
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#define CDR_TMODE_AUDIO_PREEMP 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_int8_t copy :1; /* generation stamp */
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u_int8_t fp :1; /* fixed packet type */
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u_int8_t session_type :2; /* session type */
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#define CDR_SESS_NONE 0x00
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#define CDR_SESS_FINAL 0x01
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#define CDR_SESS_RESERVED 0x02
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#define CDR_SESS_MULTI 0x03
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u_int8_t datablock_type :4; /* data type code (see cdrio.h) */
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u_int8_t reserved4_4567 :4;
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u_int8_t reserved5;
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u_int8_t reserved6;
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u_int8_t host_app_code :6; /* host application code */
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u_int8_t reserved7_67 :2;
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u_int8_t 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_int8_t reserved9;
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u_int32_t packet_size; /* packet size in bytes */
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u_int16_t audio_pause_length; /* audio pause length in secs */
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u_int8_t media_catalog_number[16];
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u_int8_t isr_code[16];
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u_int8_t sub_hdr_byte0;
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u_int8_t sub_hdr_byte1;
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u_int8_t sub_hdr_byte2;
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u_int8_t sub_hdr_byte3;
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u_int8_t vendor_specific_byte0;
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u_int8_t vendor_specific_byte1;
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u_int8_t vendor_specific_byte2;
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u_int8_t vendor_specific_byte3;
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} __attribute__((packed));
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/* CDROM Read Track Information structure */
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struct acd_track_info {
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u_int16_t data_length;
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u_int8_t track_number; /* current track number */
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u_int8_t session_number; /* current session number */
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u_int8_t reserved4;
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u_int8_t track_mode :4; /* mode of this track */
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u_int8_t copy :1; /* generation stamp */
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u_int8_t damage :1; /* damaged track */
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u_int8_t reserved5_67 :2;
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u_int8_t data_mode :4; /* data mode of this disc */
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u_int8_t fp :1; /* fixed packet */
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u_int8_t packet :1; /* packet track */
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u_int8_t blank :1; /* blank (empty) track */
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u_int8_t rt :1; /* reserved track */
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u_int8_t nwa_valid :1; /* next_writeable_addr field valid */
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u_int8_t 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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struct acd_devlist {
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dev_t dev;
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TAILQ_ENTRY(acd_devlist) chain; /* list management */
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};
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/* Structure describing an ATAPI CDROM device */
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struct acd_softc {
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struct ata_device *device; /* device softc */
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int lun; /* logical device unit */
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int flags; /* device state flags */
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#define F_LOCKED 0x0001 /* this unit is locked */
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struct bio_queue_head queue; /* queue of i/o requests */
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TAILQ_HEAD(, acd_devlist) dev_list; /* list of "track" devices */
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struct toc toc; /* table of disc contents */
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struct audiopage au; /* audio page info */
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struct audiopage aumask; /* audio page mask */
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struct cappage cap; /* capabilities page info */
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struct cd_sub_channel_info subchan; /* subchannel info */
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struct changer *changer_info; /* changer info */
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struct acd_softc **driver; /* softc's of changer slots */
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int slot; /* this instance slot number */
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time_t timestamp; /* this instance timestamp */
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int disk_size; /* size of current media */
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int block_size; /* blocksize currently used */
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struct disklabel disklabel; /* fake disk label */
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struct devstat *stats; /* devstat entry */
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dev_t dev; /* device place holders */
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eventhandler_tag clone_evh;
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};
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