* 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
* 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
* @(#)fhpib.c 8.1 (Berkeley) 6/10/93
#include <hp300/dev/fhpibreg.h>
#include <hp300/stand/hpibvar.h>
register struct hpib_softc
*hs
= &hpib_softc
[unit
];
register struct fhpibdevice
*hd
= (struct fhpibdevice
*)hs
->sc_addr
;
if (hd
->hpib_cid
!= HPIBC
)
register struct hpib_softc
*hs
= &hpib_softc
[unit
];
register struct fhpibdevice
*hd
;
hd
= (struct fhpibdevice
*)hs
->sc_addr
;
hd
->hpib_cmd
|= CT_INITFIFO
;
fhpibsend(unit
, slave
, sec
, buf
, cnt
)
register struct hpib_softc
*hs
= &hpib_softc
[unit
];
register struct fhpibdevice
*hd
;
hd
= (struct fhpibdevice
*)hs
->sc_addr
;
hd
->hpib_imask
= IM_IDLE
| IM_ROOM
;
hd
->hpib_data
= C_TAG
+ hs
->sc_ba
;
hd
->hpib_data
= C_LAG
+ slave
;
hd
->hpib_data
= C_SCG
+ sec
;
hd
->hpib_stat
= ST_WRITE
;
if (fhpibwait(hd
, IM_ROOM
) < 0)
if (fhpibwait(hd
, IM_ROOM
) < 0)
/* XXX: HP-UX claims bug with CS80 transparent messages */
fhpibrecv(unit
, slave
, sec
, buf
, cnt
)
register struct hpib_softc
*hs
= &hpib_softc
[unit
];
register struct fhpibdevice
*hd
;
hd
= (struct fhpibdevice
*)hs
->sc_addr
;
hd
->hpib_imask
= IM_IDLE
| IM_ROOM
| IM_BYTE
;
hd
->hpib_data
= C_LAG
+ hs
->sc_ba
;
hd
->hpib_data
= C_TAG
+ slave
;
hd
->hpib_data
= C_SCG
+ sec
;
hd
->hpib_stat
= ST_READ0
;
if (fhpibwait(hd
, IM_BYTE
) < 0)
hd
->hpib_data
= (slave
== 31) ? C_UNA
: C_UNT
;
register struct hpib_softc
*hs
= &hpib_softc
[unit
];
register struct fhpibdevice
*hd
;
hd
= (struct fhpibdevice
*)hs
->sc_addr
;
hd
->hpib_imask
= IM_PPRESP
| IM_PABORT
;
hd
->hpib_intr
= IM_PABORT
;
if (hd
->hpib_intr
& IM_PABORT
)
hd
->hpib_stat
= ST_IENAB
;
register struct fhpibdevice
*hd
;
register int timo
= 100000;
while ((hd
->hpib_intr
& x
) == 0 && --timo
)