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/*-
* Copyright (c) 2014 Marcel Moolenaar
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <errno.h>
#include "bus_space.h"
#include "busdma.h"
#include "libbus_space.h"
int16_t
bus_space_read_1(int rid, long ofs)
{
uint8_t val;
return ((!bs_read(rid, ofs, &val, sizeof(val))) ? -1 : (int)val);
}
int32_t
bus_space_read_2(int rid, long ofs)
{
uint16_t val;
return ((!bs_read(rid, ofs, &val, sizeof(val))) ? -1 : (int)val);
}
int64_t
bus_space_read_4(int rid, long ofs)
{
uint32_t val;
return ((!bs_read(rid, ofs, &val, sizeof(val))) ? -1 : (int64_t)val);
}
int
bus_space_write_1(int rid, long ofs, uint8_t val)
{
return ((!bs_write(rid, ofs, &val, sizeof(val))) ? errno : 0);
}
int
bus_space_write_2(int rid, long ofs, uint16_t val)
{
return ((!bs_write(rid, ofs, &val, sizeof(val))) ? errno : 0);
}
int
bus_space_write_4(int rid, long ofs, uint32_t val)
{
return ((!bs_write(rid, ofs, &val, sizeof(val))) ? errno : 0);
}
int
bus_space_map(const char *dev)
{
return (bs_map(dev));
}
int
bus_space_unmap(int rid)
{
return ((!bs_unmap(rid)) ? errno : 0);
}
int
bus_space_subregion(int rid, long ofs, long sz)
{
return (bs_subregion(rid, ofs, sz));
}
int
busdma_tag_create(const char *dev, bus_addr_t align, bus_addr_t bndry,
bus_addr_t maxaddr, bus_size_t maxsz, u_int nsegs, bus_size_t maxsegsz,
u_int datarate, u_int flags, busdma_tag_t *out_p)
{
int res;
res = bd_tag_create(dev, align, bndry, maxaddr, maxsz, nsegs, maxsegsz,
datarate, flags);
if (res == -1)
return (errno);
*out_p = res;
return (0);
}
int
busdma_tag_derive(busdma_tag_t tag, bus_addr_t align, bus_addr_t bndry,
bus_addr_t maxaddr, bus_size_t maxsz, u_int nsegs, bus_size_t maxsegsz,
u_int datarate, u_int flags, busdma_tag_t *out_p)
{
int res;
res = bd_tag_derive(tag, align, bndry, maxaddr, maxsz, nsegs, maxsegsz,
datarate, flags);
if (res == -1)
return (errno);
*out_p = res;
return (0);
}
int
busdma_tag_destroy(busdma_tag_t tag)
{
return (bd_tag_destroy(tag));
}
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