freebsd-dev/sys/powerpc/powermac/ata_dbdma.h
2020-09-01 21:20:08 +00:00

57 lines
1.9 KiB
C

/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright 2008 by Nathan Whitehorn. 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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.
*
* $FreeBSD$
*/
#ifndef ATA_DBDMA_H
#define ATA_DBDMA_H
#include <sys/param.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <machine/dbdma.h>
struct ata_dbdma_channel {
struct ata_channel sc_ch;
int dbdma_rid;
struct resource *dbdma_regs;
u_int dbdma_offset;
dbdma_channel_t *dbdma;
int next_dma_slot;
struct mtx dbdma_mtx;
};
void ata_dbdma_dmainit(device_t dev);
#endif /* ATA_DBDMA_H */