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/* $NetBSD: hpibvar.h,v 1.7 1995/11/19 17:57:18 thorpej Exp $ */
/*
* Copyright (c) 1982, 1990, 1993
* 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 8.1 (Berkeley) 6/10/93
*/
#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_SDC 0x04 /* Selected device clear */
#define C_SDC_P 0x04 /* with odd parity */
#define C_DCL 0x14 /* Universal device clear */
#define C_DCL_P 0x94 /* with odd parity */
#define C_LAG 0x20 /* Listener address group commands */
#define C_UNL 0x3f /* Universal unlisten */
#define C_UNL_P 0xbf /* with odd parity */
#define C_TAG 0x40 /* Talker address group commands */
#define C_UNA 0x5e /* Unaddress (master talk address?) */
#define C_UNA_P 0x5e /* with odd parity */
#define C_UNT 0x5f /* Universal untalk */
#define C_UNT_P 0xdf /* with odd parity */
#define C_SCG 0x60 /* Secondary group commands */
/*
* Each of the HP-IB controller drivers fills in this structure, which
* is used by the indirect driver to call controller-specific functions.
*/
struct hpib_controller {
void (*hpib_reset) __P((int));
int (*hpib_send) __P((int, int, int, void *, int));
int (*hpib_recv) __P((int, int, int, void *, int));
int (*hpib_ppoll) __P((int));
void (*hpib_ppwatch) __P((void *));
void (*hpib_go) __P((int, int, int, void *, int, int, int));
void (*hpib_done) __P((int));
int (*hpib_intr) __P((int));
};
struct hpib_softc {
struct hp_ctlr *sc_hc;
struct hpib_controller *sc_controller;
char *sc_descrip;
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_TIMO 0x10
#define HPIBF_DMA16 0x8000
#ifdef _KERNEL
extern struct hpib_softc hpib_softc[];
extern caddr_t internalhpib;
extern int hpibtimeout;
extern int hpibdmathresh;
void hpibreset __P((int));
int hpibsend __P((int, int, int, void *, int));
int hpibrecv __P((int, int, int, void *, int));
#endif
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