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/*-
* Copyright (c) 1998,1999 Søren Schmidt
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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.
*
* $FreeBSD$
*/
/* ATAPI misc defines */
#define ATAPI_MAGIC_LSB 0x14
#define ATAPI_MAGIC_MSB 0xeb
#define ATAPI_P_READ (ATA_S_DRQ | ATA_I_IN)
#define ATAPI_P_WRITE (ATA_S_DRQ)
#define ATAPI_P_CMDOUT (ATA_S_DRQ | ATA_I_CMD)
#define ATAPI_P_ABORT 0
#define ATAPI_P_DONE (ATA_I_IN | ATA_I_CMD)
/* error register bits */
#define ATAPI_E_MASK 0x0f /* error mask */
#define ATAPI_E_ILI 0x01 /* illegal length indication */
#define ATAPI_E_EOM 0x02 /* end of media detected */
#define ATAPI_E_ABRT 0x04 /* command aborted */
#define ATAPI_E_MCR 0x08 /* media change requested */
#define ATAPI_SK_MASK 0xf0 /* sense key mask */
#define ATAPI_SK_NO_SENSE 0x00 /* no specific sense key info */
#define ATAPI_SK_RECOVERED_ERROR 0x10 /* command OK, data recovered */
#define ATAPI_SK_NOT_READY 0x20 /* no access to drive */
#define ATAPI_SK_MEDIUM_ERROR 0x30 /* non-recovered data error */
#define ATAPI_SK_HARDWARE_ERROR 0x40 /* non-recoverable HW failure */
#define ATAPI_SK_ILLEGAL_REQUEST 0x50 /* invalid command param(s) */
#define ATAPI_SK_UNIT_ATTENTION 0x60 /* media changed */
#define ATAPI_SK_DATA_PROTECT 0x70 /* write protect */
#define ATAPI_SK_BLANK_CHECK 0x80 /* blank check */
#define ATAPI_SK_VENDOR_SPECIFIC 0x90 /* vendor specific skey */
#define ATAPI_SK_COPY_ABORTED 0xa0 /* copy aborted */
#define ATAPI_SK_ABORTED_COMMAND 0xb0 /* command aborted, try again */
#define ATAPI_SK_EQUAL 0xc0 /* equal */
#define ATAPI_SK_VOLUME_OVERFLOW 0xd0 /* volume overflow */
#define ATAPI_SK_MISCOMPARE 0xe0 /* data dont match the medium */
#define ATAPI_SK_RESERVED 0xf0
/* ATAPI commands */
#define ATAPI_TEST_UNIT_READY 0x00 /* check if device is ready */
#define ATAPI_REWIND 0x01 /* rewind */
#define ATAPI_REQUEST_SENSE 0x03 /* get sense data */
#define ATAPI_READ 0x08 /* read data */
#define ATAPI_WRITE 0x0a /* write data */
#define ATAPI_WEOF 0x10 /* write filemark */
#define WF_WRITE 0x01
#define ATAPI_SPACE 0x11 /* space command */
#define SP_FM 0x01
#define SP_EOD 0x03
#define ATAPI_MODE_SELECT 0x15 /* mode select */
#define ATAPI_ERASE 0x19 /* erase */
#define ATAPI_MODE_SENSE 0x1a /* mode sense */
#define ATAPI_START_STOP 0x1b /* start/stop unit */
#define SS_LOAD 0x01
#define SS_RETENSION 0x02
#define SS_EJECT 0x04
#define ATAPI_PREVENT_ALLOW 0x1e /* media removal */
#define ATAPI_READ_CAPACITY 0x25 /* get volume capacity */
#define ATAPI_READ_BIG 0x28 /* read data */
#define ATAPI_WRITE_BIG 0x2a /* write data */
#define ATAPI_LOCATE 0x2b /* locate to position */
#define ATAPI_READ_POSITION 0x34 /* read position */
#define ATAPI_SYNCHRONIZE_CACHE 0x35 /* flush buf, close channel */
#define ATAPI_WRITE_BUFFER 0x3b /* write device buffer */
#define ATAPI_READ_BUFFER 0x3c /* read device buffer */
#define ATAPI_READ_SUBCHANNEL 0x42 /* get subchannel info */
#define ATAPI_READ_TOC 0x43 /* get table of contents */
#define ATAPI_PLAY_MSF 0x47 /* play by MSF address */
#define ATAPI_PLAY_TRACK 0x48 /* play by track number */
#define ATAPI_PAUSE 0x4b /* pause audio operation */
#define ATAPI_READ_TRACK_INFO 0x52 /* get track info structure */
#define ATAPI_MODE_SELECT_BIG 0x55 /* set device parameters */
#define ATAPI_MODE_SENSE_BIG 0x5a /* get device parameters */
#define ATAPI_CLOSE_TRACK 0x5b /* close track/session */
#define ATAPI_BLANK 0xa1 /* blank the media */
#define ATAPI_PLAY_BIG 0xa5 /* play by lba */
#define ATAPI_LOAD_UNLOAD 0xa6 /* changer control command */
#define ATAPI_PLAY_CD 0xb4 /* universal play command */
#define ATAPI_SET_SPEED 0xbb /* set drive speed */
#define ATAPI_MECH_STATUS 0xbd /* get changer status */
#define ATAPI_READ_CD 0xbe /* read data */
/* ATAPI device parameter information */
struct atapi_params {
u_int8_t cmdsize :2; /* packet command size */
#define ATAPI_PSIZE_12 0 /* 12 bytes */
#define ATAPI_PSIZE_16 1 /* 16 bytes */
u_int8_t :3;
u_int8_t drqtype :2; /* DRQ type */
#define ATAPI_DRQT_MPROC 0 /* cpu 3 ms delay */
#define ATAPI_DRQT_INTR 1 /* intr 10 ms delay */
#define ATAPI_DRQT_ACCEL 2 /* accel 50 us delay */
u_int8_t removable :1; /* device is removable */
u_int8_t device_type :5; /* device type */
#define ATAPI_TYPE_DIRECT 0 /* disk/floppy */
#define ATAPI_TYPE_TAPE 1 /* streaming tape */
#define ATAPI_TYPE_CDROM 5 /* CD-ROM device */
#define ATAPI_TYPE_OPTICAL 7 /* optical disk */
u_int8_t :1;
u_int8_t proto :2; /* command protocol */
#define ATAPI_PROTO_ATAPI 2
int16_t reserved1;
int16_t reserved2;
int16_t reserved3;
int16_t reserved4;
int16_t reserved5;
int16_t reserved6;
int16_t reserved7;
int16_t reserved8;
int16_t reserved9;
int8_t serial[20]; /* serial number */
int16_t reserved20;
int16_t reserved21;
int16_t reserved22;
int8_t revision[8]; /* firmware revision */
int8_t model[40]; /* model name */
int16_t reserved47;
int16_t reserved48;
u_int8_t vendorcap; /* vendor capabilities */
u_int8_t dmaflag :1; /* DMA supported */
u_int8_t lbaflag :1; /* LBA supported - always 1 */
u_int8_t iordydis :1; /* IORDY can be disabled */
u_int8_t iordyflag :1; /* IORDY supported */
u_int8_t :1;
u_int8_t ovlapflag :1; /* overlap supported */
u_int8_t :1;
u_int8_t idmaflag :1; /* interleaved DMA supported */
int16_t capvalidate; /* validation for above */
u_int16_t piotiming; /* PIO cycle timing */
u_int16_t dmatiming; /* DMA cycle timing */
u_int16_t atavalid; /* fields valid */
#define ATAPI_FLAG_54_58 1 /* words 54-58 valid */
#define ATAPI_FLAG_64_70 2 /* words 64-70 valid */
int16_t reserved54[8];
int16_t sdmamodes; /* singleword DMA modes */
int16_t wdmamodes; /* multiword DMA modes */
int16_t apiomodes; /* advanced PIO modes */
u_int16_t mwdmamin; /* min. M/W DMA time/word ns */
u_int16_t mwdmarec; /* rec. M/W DMA time ns */
u_int16_t pioblind; /* min. PIO cycle w/o flow */
u_int16_t pioiordy; /* min. PIO cycle IORDY flow */
int16_t reserved69;
int16_t reserved70;
u_int16_t rlsovlap; /* rel time (us) for overlap */
u_int16_t rlsservice; /* rel time (us) for service */
int16_t reserved73;
int16_t reserved74;
int16_t queuelen;
int16_t reserved76;
int16_t reserved77;
int16_t reserved78;
int16_t reserved79;
int16_t versmajor;
int16_t versminor;
int16_t featsupp1;
int16_t featsupp2;
int16_t featsupp3;
int16_t featenab1;
int16_t featenab2;
int16_t featenab3;
int16_t udmamodes; /* UltraDMA modes */
int16_t erasetime;
int16_t enherasetime;
int16_t apmlevel;
int16_t reserved92[34];
int16_t rmvcap;
int16_t securelevel;
};
/* ATAPI request sense structure */
struct atapi_reqsense {
u_int8_t error_code :7; /* current or deferred errors */
u_int8_t valid :1; /* follows ATAPI spec */
u_int8_t segment; /* Segment number */
u_int8_t sense_key :4; /* sense key */
u_int8_t reserved2_4 :1; /* reserved */
u_int8_t ili :1; /* incorrect length indicator */
u_int8_t eom :1; /* end of medium */
u_int8_t filemark :1; /* filemark */
/* cmd information */
u_int32_t cmd_info __attribute__((packed));
u_int8_t sense_length; /* additional sense length (n-7) */
/* additional cmd specific info */
u_int32_t cmd_specific_info __attribute__((packed));
u_int8_t asc; /* additional sense code */
u_int8_t ascq; /* additional sense code qualifier */
u_int8_t replaceable_unit_code; /* field replaceable unit code */
u_int8_t sk_specific1 :7; /* sense key specific */
u_int8_t sksv :1; /* sense key specific info valid */
u_int8_t sk_specific2; /* sense key specific */
u_int8_t sk_specific3; /* sense key specific */
};
struct atapi_softc {
struct ata_softc *controller; /* ptr to parent ctrl */
struct atapi_params *atapi_parm; /* ata device params */
int32_t unit; /* ATA_MASTER or ATA_SLAVE */
int8_t cmd; /* last cmd executed */
u_int32_t flags; /* drive flags */
#define ATAPI_F_MEDIA_CHANGED 0x0001
#define ATAPI_F_DMA_ENABLED 0x0002
#define ATAPI_F_DMA_USED 0x0004
#define ATAPI_F_DRQT_CMD 0x0008
};
typedef void atapi_callback_t(struct atapi_request *);
struct atapi_request {
struct atapi_softc *device; /* ptr to parent device */
void *driver; /* ptr to calling driver */
u_int8_t ccb[16]; /* command control block */
int32_t ccbsize; /* size of ccb (12 | 16) */
u_int32_t bytecount; /* bytes to transfer */
u_int32_t donecount; /* bytes transferred */
int32_t timeout; /* timeout for this cmd */
struct callout_handle timeout_handle; /* handle for untimeout */
int32_t result; /* result of this cmd */
int32_t flags;
#define A_READ 0x0001
int8_t *data; /* pointer to data buf */
struct buf *bp; /* associated buf ptr */
atapi_callback_t *callback; /* ptr to callback func */
TAILQ_ENTRY(atapi_request) chain; /* list management */
};
void atapi_transfer(struct atapi_request *);
int32_t atapi_interrupt(struct atapi_request *);
int32_t atapi_immed_cmd(struct atapi_softc *, int8_t *, void *, int32_t, int32_t, int32_t);
int32_t atapi_queue_cmd(struct atapi_softc *, int8_t [], void *, int32_t, int32_t, int32_t, atapi_callback_t, void *, struct buf *);
void atapi_reinit(struct atapi_softc *);
int32_t atapi_error(struct atapi_softc *, int32_t);
int32_t atapi_test_ready(struct atapi_softc *);
int32_t atapi_wait_ready(struct atapi_softc *, int32_t);
void atapi_request_sense(struct atapi_softc *, struct atapi_reqsense *);
void atapi_dump(int8_t *, void *, int32_t);
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