freebsd-dev/sys/dev/sound/macio/aoa.h
Nathan Whitehorn 9772bc0bec Rearrange this code slightly to pass softcs around instead of device_t,
solving a possible panic when snd_ai2s is loaded at boot time. Also change
the device setup to indicate to the pcm layer that the device is MPSAFE.

Submitted by:	Marco Trillo
Suggestions by: Ariff Abdullah
2009-02-07 01:15:13 +00:00

48 lines
1.6 KiB
C

/*-
* Copyright 2008 by Marco Trillo. 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.
*
* $FreeBSD$
*/
#ifndef SOUND_AOA_H
#define SOUND_AOA_H
#ifndef AOA_DEBUG
#define DPRINTF(x) /* nothing */
#else
#define DPRINTF(x) printf x
#endif
struct aoa_softc {
device_t sc_dev;
void *sc_intrp;
struct resource *sc_odma;
};
void aoa_interrupt(void *);
int aoa_attach(void *xsc);
#endif /* SOUND_AOA_H */