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/*-
* Copyright (c) 2005 M. Warner Losh.
* 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,
* without modification, immediately at the beginning of the file.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
* $FreeBSD$
*/
#ifndef PC98_INCLUDE__BUS_H
#define PC98_INCLUDE__BUS_H
/*
* Bus address and size types
*/
typedef u_int bus_addr_t;
typedef u_int bus_size_t;
#define BUS_SPACE_IAT_MAXSIZE 33
/*
* bus space tag
*/
#define _PASCAL_CALL (void)
#define _BUS_SPACE_CALL_FUNCS_TAB(NAME,TYPE,BWN) \
NAME##_space_read_##BWN, \
NAME##_space_read_multi_##BWN, \
NAME##_space_read_region_##BWN, \
NAME##_space_write_##BWN, \
NAME##_space_write_multi_##BWN, \
NAME##_space_write_region_##BWN, \
NAME##_space_set_multi_##BWN, \
NAME##_space_set_region_##BWN, \
NAME##_space_copy_region_##BWN
#define _BUS_SPACE_CALL_FUNCS_PROTO(NAME,TYPE,BWN) \
TYPE NAME##_space_read_##BWN _PASCAL_CALL; \
void NAME##_space_read_multi_##BWN _PASCAL_CALL; \
void NAME##_space_read_region_##BWN _PASCAL_CALL; \
void NAME##_space_write_##BWN _PASCAL_CALL; \
void NAME##_space_write_multi_##BWN _PASCAL_CALL; \
void NAME##_space_write_region_##BWN _PASCAL_CALL; \
void NAME##_space_set_multi_##BWN _PASCAL_CALL; \
void NAME##_space_set_region_##BWN _PASCAL_CALL; \
void NAME##_space_copy_region_##BWN _PASCAL_CALL;
#define _BUS_SPACE_CALL_FUNCS(NAME,TYPE,BWN) \
TYPE (* NAME##_read_##BWN) _PASCAL_CALL; \
void (* NAME##_read_multi_##BWN) _PASCAL_CALL; \
void (* NAME##_read_region_##BWN) _PASCAL_CALL; \
void (* NAME##_write_##BWN) _PASCAL_CALL; \
void (* NAME##_write_multi_##BWN) _PASCAL_CALL; \
void (* NAME##_write_region_##BWN) _PASCAL_CALL; \
void (* NAME##_set_multi_##BWN) _PASCAL_CALL; \
void (* NAME##_set_region_##BWN) _PASCAL_CALL; \
void (* NAME##_copy_region_##BWN) _PASCAL_CALL;
struct bus_space_access_methods {
/* 8 bits access methods */
_BUS_SPACE_CALL_FUNCS(bs,u_int8_t,1)
/* 16 bits access methods */
_BUS_SPACE_CALL_FUNCS(bs,u_int16_t,2)
/* 32 bits access methods */
_BUS_SPACE_CALL_FUNCS(bs,u_int32_t,4)
};
/*
* Access methods for bus resources and address space.
*/
struct bus_space_tag {
#define BUS_SPACE_IO 0
#define BUS_SPACE_MEM 1
u_int bs_tag; /* bus space flags */
struct bus_space_access_methods bs_da; /* direct access */
struct bus_space_access_methods bs_ra; /* relocate access */
#if 0
struct bus_space_access_methods bs_ida; /* indexed direct access */
#endif
};
typedef struct bus_space_tag *bus_space_tag_t;
/*
* bus space handle
*/
struct bus_space_handle {
bus_addr_t bsh_base;
size_t bsh_sz;
bus_addr_t bsh_iat[BUS_SPACE_IAT_MAXSIZE];
size_t bsh_maxiatsz;
size_t bsh_iatsz;
struct resource **bsh_res;
size_t bsh_ressz;
struct bus_space_access_methods bsh_bam;
};
typedef struct bus_space_handle *bus_space_handle_t;
#endif /* PC98_INCLUDE__BUS_H */
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