87 lines
3.3 KiB
C
87 lines
3.3 KiB
C
/* $NetBSD: isa_machdep.h,v 1.2 2000/01/23 21:01:56 soda Exp $ */
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/* $OpenBSD: isa_machdep.h,v 1.5 1997/04/19 17:20:00 pefo Exp $ */
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/*
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* Copyright (c) 1996 Per Fogelstrom
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Per Fogelstrom
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ISA_MACHDEP_H_
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#define _ISA_MACHDEP_H_
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typedef struct arc_isa_bus *isa_chipset_tag_t;
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/*
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* I/O macros to access isa bus ports/memory.
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* At the first glance theese macros may seem inefficient.
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* However, the cpu executes an instruction every 7.5ns
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* so the bus is much slower so it doesn't matter, really.
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*/
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#define isa_outb(x,y) outb(arc_bus_io.bus_base + (x), y)
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#define isa_inb(x) inb(arc_bus_io.bus_base + (x))
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struct arc_isa_bus {
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void *ic_data;
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void (*ic_attach_hook) __P((struct device *, struct device *,
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struct isabus_attach_args *));
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void *(*ic_intr_establish) __P((isa_chipset_tag_t, int, int, int,
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int (*)(void *), void *));
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void (*ic_intr_disestablish) __P((isa_chipset_tag_t, void *));
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};
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/*
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* Functions provided to machine-independent ISA code.
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*/
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#define isa_attach_hook(p, s, a) /* \
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(*(a)->iba_ic->ic_attach_hook)((p), (s), (a)) */
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#define isa_intr_establish(c, i, t, l, f, a) \
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(*(c)->ic_intr_establish)((c)->ic_data, (i), (t), (l), (f), (a))
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#define isa_intr_disestablish(c, h) \
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(*(c)->ic_intr_disestablish)((c)->ic_data, (h))
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void sysbeepstop __P((void *));
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void sysbeep __P((int, int));
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/*
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* Interrupt control struct used to control the ICU setup.
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*/
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struct intrhand {
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struct intrhand *ih_next;
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int (*ih_fun) __P((void *));
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void *ih_arg;
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u_long ih_count;
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int ih_level;
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int ih_irq;
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char *ih_what;
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};
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#endif /* _ISA_MACHDEP_H_ */
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