181 lines
5.0 KiB
C
181 lines
5.0 KiB
C
/* $NetBSD: bus_defs.h,v 1.6 2014/01/22 00:24:53 christos 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.
|
|
*
|
|
* 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 _AMIGAPPC_BUS_DEFS_H_
|
|
#define _AMIGAPPC_BUS_DEFS_H_
|
|
|
|
/*
|
|
* Memory addresses (in bus space)
|
|
*/
|
|
|
|
typedef uint32_t bus_addr_t;
|
|
typedef uint32_t bus_size_t;
|
|
|
|
/*
|
|
* Access methods for bus resources and address space.
|
|
*/
|
|
typedef struct bus_space_tag *bus_space_tag_t;
|
|
typedef u_long bus_space_handle_t;
|
|
|
|
struct amigappc_bus_dma_segment;
|
|
struct amigappc_bus_dma_tag;
|
|
struct amigappc_bus_dmamap;
|
|
typedef struct amigappc_bus_dma_segment bus_dma_segment_t;
|
|
typedef struct amigappc_bus_dma_tag bus_dma_tag_t;
|
|
typedef struct amigappc_bus_dmamap bus_dmamap_t;
|
|
|
|
struct amigappc_bus_dma_tag {
|
|
int dummy;
|
|
};
|
|
|
|
struct amigappc_bus_dma_segment {
|
|
bus_addr_t ds_addr;
|
|
bus_size_t ds_len;
|
|
};
|
|
|
|
struct amigappc_bus_dmamap {
|
|
bus_size_t dm_maxsegsz;
|
|
bus_size_t dm_mapsize;
|
|
int dm_nsegs;
|
|
bus_dma_segment_t *dm_segs;
|
|
/* TBD */
|
|
};
|
|
|
|
/* unpublic, but needed by method implementors */
|
|
|
|
/*
|
|
* Lazyness macros for function declarations.
|
|
*/
|
|
|
|
#define bsr(what, typ) \
|
|
typ (what)(bus_space_handle_t, bus_addr_t)
|
|
|
|
#define bsw(what, typ) \
|
|
void (what)(bus_space_handle_t, bus_addr_t, unsigned)
|
|
|
|
#define bsrm(what, typ) \
|
|
void (what)(bus_space_handle_t, bus_size_t, typ *, bus_size_t)
|
|
|
|
#define bswm(what, typ) \
|
|
void (what)(bus_space_handle_t, bus_size_t, const typ *, bus_size_t)
|
|
|
|
#define bssr(what, typ) \
|
|
void (what)(bus_space_handle_t, bus_size_t, unsigned, bus_size_t)
|
|
|
|
#define bscr(what, typ) \
|
|
void (what)(bus_space_handle_t, bus_size_t, \
|
|
bus_space_handle_t, bus_size_t, bus_size_t)
|
|
|
|
/*
|
|
* Implementation specific structures.
|
|
* XXX Don't use outside of bus_space definitions!
|
|
* XXX maybe this should be encapsuled in a non-global .h file?
|
|
*/
|
|
|
|
struct bus_space_tag {
|
|
bus_addr_t base;
|
|
const struct amiga_bus_space_methods *absm;
|
|
};
|
|
|
|
struct amiga_bus_space_methods {
|
|
|
|
/* map, unmap, etc */
|
|
|
|
int (*bsm)(bus_space_tag_t,
|
|
bus_addr_t, bus_size_t, int, bus_space_handle_t *);
|
|
|
|
int (*bsms)(bus_space_handle_t,
|
|
bus_size_t, bus_size_t, bus_space_handle_t *);
|
|
|
|
void (*bsu)(bus_space_handle_t, bus_size_t);
|
|
|
|
/* placeholders for currently not implemented alloc and free */
|
|
|
|
void *bsa;
|
|
void *bsf;
|
|
|
|
/* 8 bit methods */
|
|
|
|
bsr(*bsr1, uint8_t);
|
|
bsw(*bsw1, uint8_t);
|
|
bsrm(*bsrm1, uint8_t);
|
|
bswm(*bswm1, uint8_t);
|
|
bsrm(*bsrr1, uint8_t);
|
|
bswm(*bswr1, uint8_t);
|
|
bssr(*bssr1, uint8_t);
|
|
bscr(*bscr1, uint8_t);
|
|
|
|
/* 16bit methods */
|
|
|
|
bsr(*bsr2, uint16_t);
|
|
bsw(*bsw2, uint16_t);
|
|
bsr(*bsrs2, uint16_t);
|
|
bsw(*bsws2, uint16_t);
|
|
bsrm(*bsrm2, uint16_t);
|
|
bswm(*bswm2, uint16_t);
|
|
bsrm(*bsrms2, uint16_t);
|
|
bswm(*bswms2, uint16_t);
|
|
bsrm(*bsrr2, uint16_t);
|
|
bswm(*bswr2, uint16_t);
|
|
bsrm(*bsrrs2, uint16_t);
|
|
bswm(*bswrs2, uint16_t);
|
|
bssr(*bssr2, uint16_t);
|
|
bscr(*bscr2, uint16_t);
|
|
|
|
/* 32bit methods */
|
|
|
|
bsr(*bsr4, uint32_t);
|
|
bsw(*bsw4, uint32_t);
|
|
bsr(*bsrs4, uint32_t);
|
|
bsw(*bsws4, uint32_t);
|
|
bsrm(*bsrm4, uint32_t);
|
|
bswm(*bswm4, uint32_t);
|
|
bsrm(*bsrms4, uint32_t);
|
|
bswm(*bswms4, uint32_t);
|
|
bsrm(*bsrr4, uint32_t);
|
|
bswm(*bswr4, uint32_t);
|
|
bsrm(*bsrrs4, uint32_t);
|
|
bswm(*bswrs4, uint32_t);
|
|
bssr(*bssr4, uint32_t);
|
|
bscr(*bscr4, uint32_t);
|
|
};
|
|
|
|
#define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */
|
|
#define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */
|
|
|
|
#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
|
|
|
|
#define __BUS_SPACE_HAS_STREAM_METHODS
|
|
|
|
extern const struct amiga_bus_space_methods amiga_bus_stride_1;
|
|
extern const struct amiga_bus_space_methods amiga_bus_stride_2;
|
|
extern const struct amiga_bus_space_methods amiga_bus_stride_4;
|
|
extern const struct amiga_bus_space_methods amiga_bus_stride_4swap;
|
|
extern const struct amiga_bus_space_methods amiga_bus_stride_16;
|
|
extern const struct amiga_bus_space_methods amiga_bus_stride_0x1000;
|
|
|
|
#endif /* _AMIGAPPC_BUS_DEFS_H_ */
|