text: /*-
   * Copyright (c) 1998 Nicolas Souchu
   * 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.
   * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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: release/9.0.0/sys/dev/ppbus/vpoio.h 185003 2008-11-16 17:42:02Z jhb $
   *
   */
  #ifndef __VP0IO_H
  #define __VP0IO_H
  
  /*
   * The ZIP drive cannot act as an initiator.
   */
  #define VP0_INITIATOR	0x7
  
  #define VP0_ESELECT_TIMEOUT	1
  #define VP0_ECMD_TIMEOUT	2
  #define VP0_ECONNECT		3
  #define VP0_ESTATUS_TIMEOUT	4
  #define VP0_EDATA_OVERFLOW	5
  #define VP0_EDISCONNECT		6
  #define VP0_EPPDATA_TIMEOUT	7
  #define VP0_ENEGOCIATE		8
  #define VP0_ENOPORT		9
  #define VP0_EINITFAILED		10
  #define VP0_EINTR		12
  
  #define VP0_EOTHER		13
  
  #define VP0_OPENNINGS	1
  
  /*
   * Data structure used during microsequence execution
   * when characters are received in nibble mode
   */
  struct vpo_nibble {
  	char h;			/* most significant nibble */
  	char l;			/* less significant nibble */
  };
  
  /* Mode found during initialisation */
  #define VP0_MODE_UNDEFINED	0x0
  #define VP0_MODE_NIBBLE		0x1
  #define VP0_MODE_PS2		0x2
  #define VP0_MODE_EPP		0x3
  
  struct vpoio_data {
  	int vpo_mode_found;		/* Mode found during init */
  
  	struct vpo_nibble vpo_nibble;
  
  	/* each device must have its own nibble inbyte microsequence */
  	struct ppb_microseq *vpo_nibble_inbyte_msq;
  
  	device_t vpo_dev;
  };
  
  int vpoio_probe(device_t dev, struct vpoio_data *vpo);
  
  int vpoio_attach(struct vpoio_data *vpo);
  int vpoio_reset_bus(struct vpoio_data *vpo);
  
  int vpoio_do_scsi(struct vpoio_data *vpo, int host, int target, char *command,
  		int clen, char *buffer, int blen, int *result, int *count,
  		int *ret);
  
  int imm_probe(device_t dev, struct vpoio_data *vpo);
  
  int imm_attach(struct vpoio_data *vpo);
  int imm_reset_bus(struct vpoio_data *vpo);
  
  int imm_do_scsi(struct vpoio_data *vpo, int host, int target, char *command,
  		int clen, char *buffer, int blen, int *result, int *count,
  		int *ret);
  
  #endif
  