/*      $NetBSD: atapi_tape.h,v 1.6 2005/12/11 12:23:50 christos Exp $  */


/*-
* Copyright (c) 1998,1999,2000,2001 S�ren 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: src/sys/dev/ata/atapi-tape.h,v 1.15 2001/03/14 12:05:44 sos Exp $
*/

/* defines for the device specific byte in the mode select/sense header */
#define SMH_DSP_BUFF_MODE       0x70
#define SMH_DSP_BUFF_MODE_OFF   0x00
#define SMH_DSP_BUFF_MODE_ON    0x10
#define SMH_DSP_BUFF_MODE_MLTI  0x20
#define SMH_DSP_WRITE_PROT      0x80

/* ATAPI tape drive Capabilities and Mechanical Status Page */
struct atapi_cappage {
   /* mode page data header */
   struct scsi_mode_parameter_header_6 header;
   /* capabilities page */
   u_int8_t    page_code;
#define ATAPI_TAPE_CAP_PAGE     0x2a
   u_int8_t    page_length;                    /* page Length == 0x12 */
   u_int8_t    reserved2;
   u_int8_t    reserved3;
   u_int8_t    cap1;
#define ATAPI_TAPE_CAP_PAGE_RO  0x01;           /* read Only Mode */
#define ATAPI_TAPE_CAP_PAGE_REV 0x20;           /* supports reverse direction */
   u_int8_t    cap2;
#define ATAPI_TAPE_CAP_PAGE_EF  0x08;           /* supports ERASE formatting */
#define ATAPI_TAPE_CAP_PAGE_QFA 0x20            /* supports QFA formats */
   u_int8_t    cap3;
#define ATAPI_TAPE_CAP_PAGE_LCK 0x01            /* supports locking media */
#define ATAPI_TAPE_CAP_PAGE_LCKED 0x02          /* the media is locked */
#define ATAPI_TAPE_CAP_PAGE_PRV 0x04            /* defaults to prevent state */
#define ATAPI_TAPE_CAP_PAGE_EJ  0x08            /* supports eject */
#define ATAPI_TAPE_CAP_PAGE_DIS 0x10            /* can break request > ctl */
#define ATAPI_TAPE_CAP_PAGE_ECC 0x40            /* supports error correction */
#define ATAPI_TAPE_CAP_PAGE_CMP 0x80            /* supports data compression */
   u_int8_t    cap4;
#define ATAPI_TAPE_CAP_PAGE_BLK512 0x02         /* supports 512b block size */
#define ATAPI_TAPE_CAP_PAGE_BLK1K 0x04          /* supports 1024b block size */
#define ATAPI_TAPE_CAP_PAGE_BLK32K 0x80         /* supports 32kb block size */
   u_int16_t   max_speed;                      /* supported speed in KBps */
   u_int16_t   max_defects;                    /* max stored defect entries */
   u_int16_t   ctl;                            /* continuous transfer limit */
   u_int16_t   speed;                          /* current Speed, in KBps */
   u_int16_t   buffer_size;                    /* buffer Size, in 512 bytes */
   u_int8_t    reserved18;
   u_int8_t    reserved19;
};

/* ATAPI OnStream ADR data transfer mode page (ADR unique) */
struct ast_transferpage {
   /* mode page data header */
   u_int8_t    data_length;                    /* total length of data */
   u_int8_t    medium_type;                    /* medium type (if any) */
   u_int8_t    dsp;                            /* device specific parameter */
   u_int8_t    blk_desc_len;                   /* block Descriptor Length */

   /* data transfer page */
   u_int8_t    page_code       :6;
#define ATAPI_TAPE_TRANSFER_PAGE     0x30

   u_int8_t    reserved0_6     :1;
   u_int8_t    ps              :1;             /* parameters saveable */
   u_int8_t    page_length;                    /* page Length == 0x02 */
   u_int8_t    reserved2;
   u_int8_t    read32k         :1;             /* 32k blk size (data only) */
   u_int8_t    read32k5        :1;             /* 32.5k blk size (data&AUX) */
   u_int8_t    reserved3_23    :2;
   u_int8_t    write32k        :1;             /* 32k blk size (data only) */
   u_int8_t    write32k5       :1;             /* 32.5k blk size (data&AUX) */
   u_int8_t    reserved3_6     :1;
   u_int8_t    streaming       :1;             /* streaming mode enable */
};

/* ATAPI OnStream ADR vendor identification mode page (ADR unique) */
struct ast_identifypage {
   /* mode page data header */
   struct scsi_mode_parameter_header_6 header;
   /* data transfer page */
   u_int8_t    page_code;
#define ATAPI_TAPE_IDENTIFY_PAGE     0x36
   u_int8_t    page_length;                    /* page Length == 0x06 */
   u_int8_t    ident[4];                       /* host id string */
   u_int8_t    reserved6;
   u_int8_t    reserved7;
};

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