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/*
* Copyright (c) 1996-1999 The University of Utah and the Flux Group.
*
* This file is part of the OSKit Linux Glue Libraries, which are free
* software, also known as "open source;" you can redistribute them and/or
* modify them under the terms of the GNU General Public License (GPL),
* version 2, as published by the Free Software Foundation (FSF).
*
* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
* received a copy of the GPL along with the OSKit; see the file COPYING. If
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
*/
/*
* Simple DMA management.
*/
#ifndef OSKIT
#define OSKIT
#endif
#include <linux/errno.h>
#include <linux/sched.h>
#include <asm/dma.h>
#include "osenv.h"
/*
* Allocate a DMA channel.
*/
int
request_dma(unsigned int drq, const char *name)
{
struct task_struct *cur = current;
int chan;
chan = osenv_isadma_alloc(drq);
current = cur;
return chan;
}
/*
* Free a DMA channel.
*/
void
free_dma(unsigned int drq)
{
struct task_struct *cur = current;
osenv_isadma_free(drq);
current = cur;
}
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