FreeBSD/Linux Kernel Cross Reference
sys/dev/ppbus/vpoio.h

     /*-
      * 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.
     *
     * $FreeBSD$
     *
     */
    #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

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