freebsd-dev/sys/dev/sound/pcm/ac97_patch.c
Joel Dahl 5bcbb3c5e8 Orion originally wrote and added these files in 2002/2003, so with his
approval, change the copyright statement to point at him instead of
"FreeBSD, Inc".

Encouraged by:	rwatson
Reviewed by:	imp
Discussed with and approved by:	orion
2007-02-04 06:52:33 +00:00

68 lines
2.3 KiB
C

/*-
* Copyright (c) 2002 Orion Hodson
* 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 <dev/sound/pcm/sound.h>
#include <dev/sound/pcm/ac97.h>
#include <dev/sound/pcm/ac97_patch.h>
SND_DECLARE_FILE("$FreeBSD$");
void ad1886_patch(struct ac97_info* codec)
{
#define AC97_AD_JACK_SPDIF 0x72
/*
* Presario700 workaround
* for Jack Sense/SPDIF Register misetting causing
* no audible output
* by Santiago Nullo 04/05/2002
*/
ac97_wrcd(codec, AC97_AD_JACK_SPDIF, 0x0010);
}
void ad198x_patch(struct ac97_info* codec)
{
ac97_wrcd(codec, 0x76, ac97_rdcd(codec, 0x76) | 0x0420);
}
void ad1981b_patch(struct ac97_info* codec)
{
#if 0
ac97_wrcd(codec, AC97_AD_JACK_SPDIF,
ac97_rdcd(codec, AC97_AD_JACK_SPDIF) | 0x0800);
#endif
}
void cmi9739_patch(struct ac97_info* codec)
{
/*
* Few laptops (notably ASUS W1000N) need extra register
* initialization to power up the internal speakers.
*/
ac97_wrcd(codec, AC97_REG_POWER, 0x000f);
ac97_wrcd(codec, AC97_MIXEXT_CLFE, 0x0000);
ac97_wrcd(codec, 0x64, 0x7110);
}