ac97_patch.c revision 168861 
1/*-
2 * Copyright (c) 2002 Orion Hodson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <dev/sound/pcm/sound.h>
28#include <dev/sound/pcm/ac97.h>
29#include <dev/sound/pcm/ac97_patch.h>
30
31SND_DECLARE_FILE("$FreeBSD: head/sys/dev/sound/pcm/ac97_patch.c 168861 2007-04-19 13:54:22Z ariff $");
32
33void ad1886_patch(struct ac97_info* codec)
34{
35#define AC97_AD_JACK_SPDIF 0x72
36	/*
37	 *    Presario700 workaround
38	 *     for Jack Sense/SPDIF Register misetting causing
39	 *    no audible output
40	 *    by Santiago Nullo 04/05/2002
41	 */
42	ac97_wrcd(codec, AC97_AD_JACK_SPDIF, 0x0010);
43}
44
45void ad198x_patch(struct ac97_info* codec)
46{
47	ac97_wrcd(codec, 0x76, ac97_rdcd(codec, 0x76) | 0x0420);
48}
49
50void ad1981b_patch(struct ac97_info* codec)
51{
52	/*
53	 * Enable headphone jack sensing.
54	 */
55	switch (ac97_getsubvendor(codec)) {
56	case 0x02d91014:	/* IBM Thinkcentre */
57		ac97_wrcd(codec, AC97_AD_JACK_SPDIF,
58		    ac97_rdcd(codec, AC97_AD_JACK_SPDIF) | 0x0800);
59		break;
60	default:
61		break;
62	}
63}
64
65void cmi9739_patch(struct ac97_info* codec)
66{
67	/*
68	 * Few laptops need extra register initialization
69	 * to power up the internal speakers.
70	 */
71	switch (ac97_getsubvendor(codec)) {
72	case 0x18431043:	/* ASUS W1000N */
73		ac97_wrcd(codec, AC97_REG_POWER, 0x000f);
74		ac97_wrcd(codec, AC97_MIXEXT_CLFE, 0x0000);
75		ac97_wrcd(codec, 0x64, 0x7110);
76		break;
77	default:
78		break;
79	}
80}
81
82void alc655_patch(struct ac97_info* codec)
83{
84	/*
85	 * MSI (Micro-Star International) specific EAPD quirk.
86	 */
87	switch (ac97_getsubvendor(codec)) {
88	case 0x00611462:	/* MSI S250 */
89	case 0x01311462:	/* MSI S270 */
90	case 0x01611462:	/* LG K1 Express */
91	case 0x03511462:	/* MSI L725 */
92		ac97_wrcd(codec, 0x7a, ac97_rdcd(codec, 0x7a) & 0xfffd);
93		break;
94	default:
95		break;
96	}
97}
98