freebsd-dev/sys/sparc64/isa/isa_dma.c

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/*-
* Copyright (c) 2004 Pyun YongHyeon.
* 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 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.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <isa/isareg.h>
#include <isa/isavar.h>
/*
* Glue code to load sound(4). Though fdc(4), ppc(4) don't work on
* sparc64 yet, they may need this glue code too.
*/
int
isa_dma_init(int chan, u_int bouncebufsize, int flag)
{
return (0);
}
int
isa_dma_acquire(int chan)
{
return (0);
}
void
isa_dma_release(int chan)
{
}
void
isa_dmacascade(int chan)
{
}
void
isa_dmastart(int flags, caddr_t addr, u_int nbytes, int chan)
{
}
void
isa_dmadone(int flags, caddr_t addr, int nbytes, int chan)
{
}
int
isa_dmastatus(int chan)
{
return (0);
}
int
isa_dmastop(int chan)
{
return (0);
}