.ref-BSD-4_3_Net_2/usr/src/sys/hp300/dev/hpibvar.h

/*
 * Copyright (c) 1982, 1990 The Regents of the University of California.
 * 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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
 *
 *      @(#)hpibvar.h   7.3 (Berkeley) 5/7/91
 */

#define HPIB_IPL(x)     ((((x) >> 4) & 0x3) + 3)

#define HPIBA           32
#define HPIBB           1
#define HPIBC           8
#define HPIBA_BA        21
#define HPIBC_BA        30
#define HPIBA_IPL       3

#define CSA_BA          0x1F

#define IDS_WDMA        0x04
#define IDS_WRITE       0x08
#define IDS_IR          0x40
#define IDS_IE          0x80
#define IDS_DMA(x)      (1 << (x))

#define C_DCL           0x14
#define C_LAG           0x20
#define C_UNL           0x3f
#define C_TAG           0x40
#define C_UNA           0x5e
#define C_UNT           0x5f
#define C_SCG           0x60

struct  hpib_softc {
        struct  hp_ctlr *sc_hc;
        int     sc_flags;
        struct  devqueue sc_dq;
        struct  devqueue sc_sq;
        int     sc_ba;
        int     sc_type;
        char    *sc_addr;
        int     sc_count;
        int     sc_curcnt;
};

/* sc_flags */
#define HPIBF_IO        0x1
#define HPIBF_DONE      0x2
#define HPIBF_PPOLL     0x4
#define HPIBF_READ      0x8
#define HPIBF_DMA16     0x8000

#ifdef KERNEL
extern  struct hpib_softc hpib_softc[];
extern  caddr_t internalhpib;
extern  int hpibtimeout;
extern  int hpibdmathresh;
#endif