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/* $OpenBSD: viareg.h,v 1.4 2002/06/07 07:14:48 miod Exp $ */
/* $NetBSD: viareg.h,v 1.2 1998/10/20 14:56:30 tsubai Exp $ */
/*-
* Copyright (C) 1993 Allen K. Briggs, Chris P. Caputo,
* Michael L. Finch, Bradley A. Grantham, and
* Lawrence A. Kesteloot
* 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 Alice Group.
* 4. The names of the Alice Group or any of its members may not be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``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 ALICE GROUP 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.
*
*/
/*
Prototype VIA control definitions
06/04/92,22:33:57 BG Let's see what I can do.
*/
extern volatile unsigned char *Via1Base;
#define VIA1_addr Via1Base /* at PA 0x50f00000 */
#define VIA1 0
#define VIA2 0
/* VIA interface registers */
#define vBufA 0x1e00 /* register A */
#define vBufB 0 /* register B */
#define vDirA 0x0600 /* data direction register */
#define vDirB 0x0400 /* data direction register */
#define vT1C 0x0800
#define vT1CH 0x0a00
#define vT1L 0x0c00
#define vT1LH 0x0e00
#define vT2C 0x1000
#define vT2CH 0x1200
#define vSR 0x1400 /* shift register */
#define vACR 0x1600 /* aux control register */
#define vIFR 0x1a00 /* interrupt flag register */
#define vIER 0x1c00 /* interrupt enable register */
#define via_reg(v, r) (*(Via1Base + (r)))
#include <machine/pio.h>
static __inline void
via_reg_and(int ign, int reg, int val)
{
volatile unsigned char *addr = Via1Base + reg;
out8(addr, in8(addr) & val);
}
static __inline void
via_reg_or(int ign, int reg, int val)
{
volatile unsigned char *addr = Via1Base + reg;
out8(addr, in8(addr) | val);
}
static __inline void
via_reg_xor(int ign, int reg, int val)
{
volatile unsigned char *addr = Via1Base + reg;
out8(addr, in8(addr) ^ val);
}
static __inline int
read_via_reg(int ign, int reg)
{
volatile unsigned char *addr = Via1Base + reg;
return in8(addr);
}
static __inline void
write_via_reg(int ign, int reg, int val)
{
volatile unsigned char *addr = Via1Base + reg;
out8(addr, val);
}
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