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freebsd-nq/sys/dev/ata/atapi-cd.h
Søren Schmidt 9f82379c24 Add experimental support for SATA Port Multipliers 
Support is working on the Silicon Image SiI3124/3132.
Support is working on some AHCI chips but far from all.

Remember this is WIP, so test reports and (constructive) suggestions are welcome!
2008-04-10 13:05:05 +00:00

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/*-
* Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* without modification, immediately at the beginning of the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
/* CDROM Table Of Contents */
#define MAXTRK 99
struct toc {
struct ioc_toc_header hdr;
struct cd_toc_entry tab[MAXTRK + 1];
};
/* DVD CSS authentication */
struct dvd_miscauth {
u_int16_t length;
u_int16_t reserved;
u_int8_t data[2048];
};
/* CDROM Audio Control Parameters Page */
struct audiopage {
/* mode page data header */
u_int16_t data_length;
u_int8_t medium_type;
u_int8_t dev_spec;
u_int8_t unused[2];
u_int16_t blk_desc_len;
/* audio control page */
u_int8_t page_code;
#define ATAPI_CDROM_AUDIO_PAGE 0x0e
#define ATAPI_CDROM_AUDIO_PAGE_MASK 0x4e
u_int8_t param_len;
u_int8_t flags;
#define CD_PA_SOTC 0x02
#define CD_PA_IMMED 0x04
u_int8_t reserved3;
u_int8_t reserved4;
u_int8_t reserved5;
u_int16_t lb_per_sec;
struct port_control {
u_int8_t channels:4;
#define CHANNEL_0 1
#define CHANNEL_1 2
#define CHANNEL_2 4
#define CHANNEL_3 8
u_int8_t volume;
} port[4];
};
/* CDROM Capabilities and Mechanical Status Page */
struct cappage {
/* mode page data header */
u_int16_t data_length;
u_int8_t medium_type;
#define MST_TYPE_MASK_LOW 0x0f
#define MST_FMT_NONE 0x00
#define MST_DATA_120 0x01
#define MST_AUDIO_120 0x02
#define MST_COMB_120 0x03
#define MST_PHOTO_120 0x04
#define MST_DATA_80 0x05
#define MST_AUDIO_80 0x06
#define MST_COMB_80 0x07
#define MST_PHOTO_80 0x08
#define MST_TYPE_MASK_HIGH 0x70
#define MST_CDROM 0x00
#define MST_CDR 0x10
#define MST_CDRW 0x20
#define MST_DVD 0x40
#define MST_NO_DISC 0x70
#define MST_DOOR_OPEN 0x71
#define MST_FMT_ERROR 0x72
u_int8_t dev_spec;
u_int16_t unused;
u_int16_t blk_desc_len;
/* capabilities page */
u_int8_t page_code;
#define ATAPI_CDROM_CAP_PAGE 0x2a
u_int8_t param_len;
u_int16_t media;
#define MST_READ_CDR 0x0001
#define MST_READ_CDRW 0x0002
#define MST_READ_PACKET 0x0004
#define MST_READ_DVDROM 0x0008
#define MST_READ_DVDR 0x0010
#define MST_READ_DVDRAM 0x0020
#define MST_WRITE_CDR 0x0100
#define MST_WRITE_CDRW 0x0200
#define MST_WRITE_TEST 0x0400
#define MST_WRITE_DVDR 0x1000
#define MST_WRITE_DVDRAM 0x2000
u_int16_t capabilities;
#define MST_AUDIO_PLAY 0x0001
#define MST_COMPOSITE 0x0002
#define MST_AUDIO_P1 0x0004
#define MST_AUDIO_P2 0x0008
#define MST_MODE2_f1 0x0010
#define MST_MODE2_f2 0x0020
#define MST_MULTISESSION 0x0040
#define MST_BURNPROOF 0x0080
#define MST_READ_CDDA 0x0100
#define MST_CDDA_STREAM 0x0200
#define MST_COMBINED_RW 0x0400
#define MST_CORRECTED_RW 0x0800
#define MST_SUPPORT_C2 0x1000
#define MST_ISRC 0x2000
#define MST_UPC 0x4000
u_int8_t mechanism;
#define MST_LOCKABLE 0x01
#define MST_LOCKED 0x02
#define MST_PREVENT 0x04
#define MST_EJECT 0x08
#define MST_MECH_MASK 0xe0
#define MST_MECH_CADDY 0x00
#define MST_MECH_TRAY 0x20
#define MST_MECH_POPUP 0x40
#define MST_MECH_CHANGER 0x80
#define MST_MECH_CARTRIDGE 0xa0
uint8_t audio;
#define MST_SEP_VOL 0x01
#define MST_SEP_MUTE 0x02
u_int16_t max_read_speed; /* max raw data rate in bytes/1000 */
u_int16_t max_vol_levels; /* number of discrete volume levels */
u_int16_t buf_size; /* internal buffer size in bytes/1024 */
u_int16_t cur_read_speed; /* current data rate in bytes/1000 */
u_int8_t reserved3;
u_int8_t misc;
u_int16_t max_write_speed; /* max raw data rate in bytes/1000 */
u_int16_t cur_write_speed; /* current data rate in bytes/1000 */
u_int16_t copy_protect_rev;
u_int16_t reserved4;
};
#define CH_READY 0
#define CH_LOADING 1
#define CH_UNLOADING 2
#define CH_INITIALIZING 3
#define CD_IDLE 0
#define CD_AUDIO_ACTIVE 1
#define CD_AUDIO_SCAN 2
#define CD_HOST_ACTIVE 3
#define CD_NO_STATE 7
/* CDROM Changer mechanism status structure */
struct changer {
u_int8_t current_slot :5; /* active changer slot */
u_int8_t mech_state :2; /* current changer state */
u_int8_t fault :1; /* fault in last operation */
u_int8_t reserved0 :5;
u_int8_t cd_state :3; /* current mechanism state */
u_int8_t current_lba[3]; /* current LBA */
u_int8_t slots; /* number of available slots */
u_int16_t table_length; /* slot table length */
struct {
u_int8_t changed :1; /* media has changed in this slot */
u_int8_t unused :6;
u_int8_t present :1; /* slot has a CD present */
u_int8_t reserved0;
u_int8_t reserved1;
u_int8_t reserved2;
} slot[32];
};
/* CDROM Write Parameters Mode Page (Burners ONLY) */
struct write_param {
/* mode page data header */
u_int16_t data_length;
u_int8_t medium_type;
u_int8_t dev_spec;
u_int8_t unused[2];
u_int16_t blk_desc_len;
/* write parameters page */
u_int8_t page_code;
#define ATAPI_CDROM_WRITE_PARAMETERS_PAGE 0x05
u_int8_t page_length; /* 0x32 */
u_int8_t write_type :4; /* write stream type */
#define CDR_WTYPE_PACKET 0x00
#define CDR_WTYPE_TRACK 0x01
#define CDR_WTYPE_SESSION 0x02
#define CDR_WTYPE_RAW 0x03
u_int8_t test_write :1; /* test write enable */
u_int8_t link_size_valid :1;
u_int8_t burnproof :1; /* BurnProof enable */
u_int8_t reserved2_7 :1;
u_int8_t track_mode :4; /* track mode */
#define CDR_TMODE_AUDIO 0x00
#define CDR_TMODE_AUDIO_PREEMP 0x01
#define CDR_TMODE_ALLOW_COPY 0x02
#define CDR_TMODE_DATA 0x04
#define CDR_TMODE_QUAD_AUDIO 0x08
u_int8_t copy :1; /* generation stamp */
u_int8_t fp :1; /* fixed packet type */
u_int8_t session_type :2; /* session type */
#define CDR_SESS_NONE 0x00
#define CDR_SESS_FINAL 0x01
#define CDR_SESS_RESERVED 0x02
#define CDR_SESS_MULTI 0x03
u_int8_t datablock_type :4; /* data type code (see cdrio.h) */
u_int8_t reserved4_4567 :4;
u_int8_t link_size;
u_int8_t reserved6;
u_int8_t host_app_code :6; /* host application code */
u_int8_t reserved7_67 :2;
u_int8_t session_format; /* session format */
#define CDR_SESS_CDROM 0x00
#define CDR_SESS_CDI 0x10
#define CDR_SESS_CDROM_XA 0x20
u_int8_t reserved9;
u_int32_t packet_size; /* packet size in bytes */
u_int16_t audio_pause_length; /* audio pause length in secs */
u_int8_t media_catalog_number[16];
u_int8_t isr_code[16];
u_int8_t sub_hdr_byte0;
u_int8_t sub_hdr_byte1;
u_int8_t sub_hdr_byte2;
u_int8_t sub_hdr_byte3;
u_int8_t vendor_specific_byte0;
u_int8_t vendor_specific_byte1;
u_int8_t vendor_specific_byte2;
u_int8_t vendor_specific_byte3;
} __packed;
/* CDROM Read Track Information structure */
struct acd_track_info {
u_int16_t data_length;
u_int8_t track_number; /* current track number */
u_int8_t session_number; /* current session number */
u_int8_t reserved4;
u_int8_t track_mode :4; /* mode of this track */
u_int8_t copy :1; /* generation stamp */
u_int8_t damage :1; /* damaged track */
u_int8_t reserved5_67 :2;
u_int8_t data_mode :4; /* data mode of this disc */
u_int8_t fp :1; /* fixed packet */
u_int8_t packet :1; /* packet track */
u_int8_t blank :1; /* blank (empty) track */
u_int8_t rt :1; /* reserved track */
u_int8_t nwa_valid :1; /* next_writeable_addr field valid */
u_int8_t reserved7_17 :7;
u_int track_start_addr; /* start of this track */
u_int next_writeable_addr; /* next writeable addr on this disc */
u_int free_blocks; /* free block on this disc */
u_int fixed_packet_size; /* size of packets on this track */
u_int track_length; /* length of this track */
};
/* Structure describing an ATAPI CDROM device */
struct acd_softc {
int flags; /* device state flags */
#define F_LOCKED 0x0001 /* this unit is locked */
struct toc toc; /* table of disc contents */
struct audiopage au; /* audio page info */
struct audiopage aumask; /* audio page mask */
struct cappage cap; /* capabilities page info */
struct cd_sub_channel_info subchan; /* subchannel info */
struct changer *changer_info; /* changer info */
struct acd_softc **driver; /* softc's of changer slots */
int slot; /* this instance slot number */
time_t timestamp; /* this instance timestamp */
u_int32_t disk_size; /* size of current media */
u_int32_t block_size; /* blocksize currently used */
u_int32_t iomax; /* Max I/O request (bytes) */
struct g_geom *gp; /* geom instance */
struct g_provider *pp[MAXTRK+1]; /* providers */
};
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