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Amiga port bus.h. Currenlty, only the _1 functions are implemented.

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is 1997-08-27 18:52:57 +00:00
parent 2e45e81622
commit 45a8ec2d22
1 changed files with 178 additions and 0 deletions
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sys/arch/amiga/include/bus.h Normal file
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/* $NetBSD: bus.h,v 1.1 1997/08/27 18:52:57 is Exp $ */
/*
* Copyright (c) 1996 Leo Weppelman. 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 Leo Weppelman for the
* NetBSD Project.
* 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 _AMIGA_BUS_H_
#define _AMIGA_BUS_H_
/*
* Memory addresses (in bus space)
*/
typedef u_long bus_addr_t;
typedef u_long bus_size_t;
/*
* Access methods for bus resources and address space.
*/
typedef struct bus_space_tag {
bus_addr_t base;
u_char stride;
} *bus_space_tag_t;
typedef u_long bus_space_handle_t;
void bus_space_read_multi_1 __P((bus_space_tag_t, bus_space_handle_t,
int, caddr_t, int));
void bus_space_read_multi_2 __P((bus_space_tag_t, bus_space_handle_t,
int, caddr_t, int));
void bus_space_read_multi_4 __P((bus_space_tag_t, bus_space_handle_t,
int, caddr_t, int));
void bus_space_read_multi_8 __P((bus_space_tag_t, bus_space_handle_t,
int, caddr_t, int));
void bus_space_write_multi_1 __P((bus_space_tag_t, bus_space_handle_t,
int, caddr_t, int));
void bus_space_write_multi_2 __P((bus_space_tag_t, bus_space_handle_t,
int, caddr_t, int));
void bus_space_write_multi_4 __P((bus_space_tag_t, bus_space_handle_t,
int, caddr_t, int));
void bus_space_write_multi_8 __P((bus_space_tag_t, bus_space_handle_t,
int, caddr_t, int));
#if 0
int bus_space_map __P((bus_space_tag_t, bus_addr_t, bus_size_t,
int, bus_space_handle_t *));
void bus_space_unmap __P((bus_space_tag_t, bus_space_handle_t,
bus_size_t));
#endif
#define bus_space_map(tag,off,size,cache,handle) \
(*(handle) = (tag)->base + ((off)<<(tag)->stride), 0)
#define bus_space_unmap(tag,handle,size) (void)0
#define bus_space_read_1(t, h, o) \
((void) t, (*(volatile u_int8_t *)((h) + ((o)<<(t)->stride))))
#define bus_space_write_1(t, h, o, v) \
((void) t, ((void)(*(volatile u_int8_t *)((h) + ((o)<<(t)->stride)) = (v))))
extern __inline__ void
bus_space_read_multi_1(t, h, o, a, c)
bus_space_tag_t t;
bus_space_handle_t h;
int o, c;
caddr_t a;
{
for (; c; a++, c--)
*(u_int8_t *)a = bus_space_read_1(t, h, o);
}
#ifdef notyet
extern __inline__ void
bus_space_read_multi_2(t, h, o, a, c)
bus_space_tag_t t;
bus_space_handle_t h;
int o, c;
caddr_t a;
{
for (; c; a += 2, c--)
*(u_int16_t *)a = bus_space_read_2(t, h, o);
}
extern __inline__ void
bus_space_read_multi_4(t, h, o, a, c)
bus_space_tag_t t;
bus_space_handle_t h;
int o, c;
caddr_t a;
{
for (; c; a += 4, c--)
*(u_int32_t *)a = bus_space_read_4(t, h, o);
}
extern __inline__ void
bus_space_read_multi_8(t, h, o, a, c)
bus_space_tag_t t;
bus_space_handle_t h;
int o, c;
caddr_t a;
{
for (; c; a += 8, c--)
*(u_int64_t *)a = bus_space_read_8(t, h, o);
}
#endif
extern __inline__ void
bus_space_write_multi_1(t, h, o, a, c)
bus_space_tag_t t;
bus_space_handle_t h;
int o, c;
caddr_t a;
{
for (; c; a++, c--)
bus_space_write_1(t, h, o, *(u_int8_t *)a);
}
#ifdef notyet
extern __inline__ void
bus_space_write_multi_2(t, h, o, a, c)
bus_space_tag_t t;
bus_space_handle_t h;
int o, c;
caddr_t a;
{
for (; c; a += 2, c--)
bus_space_write_2(t, h, o, *(u_int16_t *)a);
}
extern __inline__ void
bus_space_write_multi_4(t, h, o, a, c)
bus_space_tag_t t;
bus_space_handle_t h;
int o, c;
caddr_t a;
{
for (; c; a += 4, c--)
bus_space_write_4(t, h, o, *(u_int32_t *)a);
}
extern __inline__ void
bus_space_write_multi_8(t, h, o, a, c)
bus_space_tag_t t;
bus_space_handle_t h;
int o, c;
caddr_t a;
{
for (; c; a += 8, c--)
bus_space_write_8(t, h, o, *(u_int64_t *)a);
}
#endif
#endif /* _AMIGA_BUS_H_ */