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/* $NetBSD: ggbus_pio.c,v 1.1 1995/08/04 14:32:17 niklas Exp $ */
/*
* Copyright (c) 1995 Niklas Hallqvist
* 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 Niklas Hallqvist.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
#include <sys/types.h>
#include <sys/device.h>
#include <machine/pio.h>
#include <dev/isa/isavar.h>
#include <amiga/amiga/isr.h>
#include <amiga/dev/zbusvar.h>
#include <amiga/isa/isa_machdep.h>
#include <amiga/isa/ggbusreg.h>
#include <amiga/isa/ggbusvar.h>
extern struct ggbus_device *ggbusp;
void ggbus_outb __P((int, u_int8_t));
u_int8_t ggbus_inb __P((int));
void ggbus_outw __P((int, u_int16_t));
u_int16_t ggbus_inw __P((int));
struct isa_pio_fcns ggbus_pio_fcns = {
ggbus_inb, isa_insb,
ggbus_inw, isa_insw,
0 /* ggbus_inl */, 0 /* ggbus_insl */,
ggbus_outb, isa_outsb,
ggbus_outw, isa_outsw,
0 /* ggbus_outl */, 0 /* ggbus_outsl */,
};
void
ggbus_outb(ia, b)
int ia;
u_int8_t b;
{
#ifdef DEBUG
if (ggdebug)
printf("outb 0x%x,0x%x\n", ia, b);
#endif
*(volatile u_int8_t *)(ggbusp->gd_zargs.va + 2 * ia + 1) = b;
}
u_int8_t
ggbus_inb(ia)
int ia;
{
u_int8_t retval =
*(volatile u_int8_t *)(ggbusp->gd_zargs.va + 2 * ia + 1);
#ifdef DEBUG
if (ggdebug)
printf("inb 0x%x => 0x%x\n", ia, retval);
#endif
return retval;
}
void
ggbus_outw(ia, w)
int ia;
u_int16_t w;
{
#ifdef DEBUG
if (ggdebug)
printf("outw 0x%x,0x%x\n", ia, w);
#endif
*(volatile u_int16_t *)(ggbusp->gd_zargs.va + 2 * ia) = swap (w);
}
u_int16_t
ggbus_inw(ia)
int ia;
{
u_int16_t retval =
swap(*(volatile u_int16_t *)(ggbusp->gd_zargs.va + 2 * ia));
#ifdef DEBUG
if (ggdebug)
printf("inw 0x%x => 0x%x\n", ia, retval);
#endif
return retval;
}
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