sys/dev/disk/vpo/vpoio.h

   1 /*-
   2  * Copyright (c) 1998 Nicolas Souchu
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/sys/dev/ppbus/vpoio.h,v 1.4.2.2 2001/10/02 05:27:20 nsouch Exp $
  27  * $DragonFly: src/sys/dev/disk/vpo/vpoio.h,v 1.2 2003/06/17 04:28:29 dillon Exp $
  28  *
  29  */
  30 #ifndef __VP0IO_H
  31 #define __VP0IO_H
  32
  33 /*
  34  * The ZIP drive cannot act as an initiator.
  35  */
  36 #define VP0_INITIATOR   0x7
  37
  38 #define VP0_ESELECT_TIMEOUT     1
  39 #define VP0_ECMD_TIMEOUT        2
  40 #define VP0_ECONNECT            3
  41 #define VP0_ESTATUS_TIMEOUT     4
  42 #define VP0_EDATA_OVERFLOW      5
  43 #define VP0_EDISCONNECT         6
  44 #define VP0_EPPDATA_TIMEOUT     7
  45 #define VP0_ENEGOCIATE          8
  46 #define VP0_ENOPORT             9
  47 #define VP0_EINITFAILED         10
  48 #define VP0_EINTR               12
  49
  50 #define VP0_EOTHER              13
  51
  52 #define VP0_OPENNINGS   1
  53
  54 /*
  55  * Data structure used during microsequence execution
  56  * when characters are received in nibble mode
  57  */
  58 struct vpo_nibble {
  59         char h;                 /* most significant nibble */
  60         char l;                 /* less significant nibble */
  61 };
  62
  63 /* Mode found during initialisation */
  64 #define VP0_MODE_UNDEFINED      0x0
  65 #define VP0_MODE_NIBBLE         0x1
  66 #define VP0_MODE_PS2            0x2
  67 #define VP0_MODE_EPP            0x3
  68
  69 struct vpoio_data {
  70         unsigned short int vpo_unit;
  71         int vpo_mode_found;             /* Mode found during init */
  72
  73         struct vpo_nibble vpo_nibble;
  74
  75         /* each device must have its own nibble inbyte microsequence */
  76         struct ppb_microseq *vpo_nibble_inbyte_msq;
  77
  78         device_t vpo_dev;
  79 };
  80
  81 #define vpoio_set_unit(vpo,unit) ((vpo)->vpo_unit = unit)
  82
  83 int vpoio_probe(device_t dev, struct vpoio_data *vpo);
  84
  85 int vpoio_attach(struct vpoio_data *vpo);
  86 int vpoio_reset_bus(struct vpoio_data *vpo);
  87
  88 int vpoio_do_scsi(struct vpoio_data *vpo, int host, int target, char *command,
  89                 int clen, char *buffer, int blen, int *result, int *count,
  90                 int *ret);
  91
  92 int imm_probe(device_t dev, struct vpoio_data *vpo);
  93
  94 int imm_attach(struct vpoio_data *vpo);
  95 int imm_reset_bus(struct vpoio_data *vpo);
  96
  97 int imm_do_scsi(struct vpoio_data *vpo, int host, int target, char *command,
  98                 int clen, char *buffer, int blen, int *result, int *count,
  99                 int *ret);
 100
 101 #endif