You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
118 lines
3.9 KiB
118 lines
3.9 KiB
/* $OpenBSD: pio.h,v 1.2 1998/09/15 10:50:12 pefo Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1995-1999 Per Fogelstrom. 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 Per Fogelstrom.
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef _MIPS_PIO_H_
|
|
#define _MIPS_PIO_H_
|
|
|
|
/*
|
|
* I/O macros.
|
|
*/
|
|
#define outb(a,v) (*(volatile unsigned char*)(a) = (v))
|
|
#define out8(a,v) (*(volatile unsigned char*)(a) = (v))
|
|
#define outw(a,v) (*(volatile unsigned short*)(a) = (v))
|
|
#define out16(a,v) outw(a,v)
|
|
#define outl(a,v) (*(volatile unsigned int*)(a) = (v))
|
|
#define out32(a,v) outl(a,v)
|
|
#define inb(a) (*(volatile unsigned char*)(a))
|
|
#define in8(a) (*(volatile unsigned char*)(a))
|
|
#define inw(a) (*(volatile unsigned short*)(a))
|
|
#define in16(a) inw(a)
|
|
#define inl(a) (*(volatile unsigned int*)(a))
|
|
#define in32(a) inl(a)
|
|
|
|
#define out8rb(a,v) (*(volatile unsigned char*)(a) = (v))
|
|
#define out16rb(a,v) (__out16rb((volatile u_int16_t *)(a), v))
|
|
#define out32rb(a,v) (__out32rb((volatile u_int32_t *)(a), v))
|
|
#define in8rb(a) (*(volatile unsigned char*)(a))
|
|
#define in16rb(a) (__in16rb((volatile u_int16_t *)(a)))
|
|
#define in32rb(a) (__in32rb((volatile u_int32_t *)(a)))
|
|
|
|
#define _swap_(x) \
|
|
(((x) >> 24) | ((x) << 24) | \
|
|
(((x) >> 8) & 0xff00) | (((x) & 0xff00) << 8))
|
|
|
|
static __inline void __out32rb __P((volatile u_int32_t *, u_int32_t));
|
|
static __inline void __out16rb __P((volatile u_int16_t *, u_int16_t));
|
|
static __inline u_int32_t __in32rb __P((volatile u_int32_t *));
|
|
static __inline u_int16_t __in16rb __P((volatile u_int16_t *));
|
|
|
|
static __inline void
|
|
__out32rb(a,v)
|
|
volatile u_int32_t *a;
|
|
u_int32_t v;
|
|
{
|
|
u_int32_t _v_ = v;
|
|
|
|
_v_ = _swap_(_v_);
|
|
out32(a, _v_);
|
|
}
|
|
|
|
static __inline void
|
|
__out16rb(a,v)
|
|
volatile u_int16_t *a;
|
|
u_int16_t v;
|
|
{
|
|
u_int16_t _v_;
|
|
|
|
_v_ = ((v >> 8) & 0xff) | (v << 8);
|
|
out16(a, _v_);
|
|
}
|
|
|
|
static __inline u_int32_t
|
|
__in32rb(a)
|
|
volatile u_int32_t *a;
|
|
{
|
|
u_int32_t _v_;
|
|
|
|
_v_ = in32(a);
|
|
_v_ = _swap_(_v_);
|
|
return _v_;
|
|
}
|
|
|
|
static __inline u_int16_t
|
|
__in16rb(a)
|
|
volatile u_int16_t *a;
|
|
{
|
|
u_int16_t _v_;
|
|
|
|
_v_ = in16(a);
|
|
_v_ = ((_v_ >> 8) & 0xff) | (_v_ << 8);
|
|
return _v_;
|
|
}
|
|
|
|
void insb __P((u_int8_t *, u_int8_t *,int));
|
|
void insw __P((u_int16_t *, u_int16_t *,int));
|
|
void insl __P((u_int32_t *, u_int32_t *,int));
|
|
void outsb __P((u_int8_t *, const u_int8_t *,int));
|
|
void outsw __P((u_int16_t *, const u_int16_t *,int));
|
|
void outsl __P((u_int32_t *, const u_int32_t *,int));
|
|
|
|
#endif /* !_MIPS_PIO_H_ */
|
|
|