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/* $NetBSD: io-mapping.h,v 1.13 2021/12/19 12:28:04 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Taylor R. Campbell.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#ifndef _LINUX_IO_MAPPING_H_
#define _LINUX_IO_MAPPING_H_
#include <sys/types.h>
#include <sys/bus.h>
#define bus_space_io_mapping_init_wc linux_bus_space_io_mapping_init_wc
#define bus_space_io_mapping_create_wc linux_bus_space_io_mapping_create_wc
#define io_mapping_fini linux_io_mapping_fini
#define io_mapping_free linux_io_mapping_free
#define io_mapping_map_wc linux_io_mapping_map_wc
#define io_mapping_unmap linux_io_mapping_unmap
#define io_mapping_map_atomic_wc linux_io_mapping_map_atomic_wc
#define io_mapping_unmap_atomic linux_io_mapping_unmap_atomic
struct io_mapping {
bus_space_tag_t diom_bst;
bus_addr_t base; /* Linux API */
bus_size_t size; /* Linux API */
vaddr_t diom_va;
bool diom_atomic;
};
bool bus_space_io_mapping_init_wc(bus_space_tag_t, struct io_mapping *,
bus_addr_t, bus_size_t);
void io_mapping_fini(struct io_mapping *);
struct io_mapping *bus_space_io_mapping_create_wc(bus_space_tag_t, bus_addr_t,
bus_size_t);
void io_mapping_free(struct io_mapping *);
void *io_mapping_map_wc(struct io_mapping *, bus_addr_t, bus_size_t);
void io_mapping_unmap(struct io_mapping *, void *, bus_size_t);
void *io_mapping_map_atomic_wc(struct io_mapping *, bus_addr_t);
void io_mapping_unmap_atomic(struct io_mapping *, void *);
#endif /* _LINUX_IO_MAPPING_H_ */
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