kern/72995: [sound] Intel ICH2 (82801BA) - sound
nearly inaudible
WATANABE Kazuhiro
CQG00620 at nifty.ne.jp
Wed Dec 31 16:10:03 UTC 2008
The following reply was made to PR kern/72995; it has been noted by GNATS.
From: WATANABE Kazuhiro <CQG00620 at nifty.ne.jp>
To: "Russell J. Wood" <rjw at dynode.net>, tom at uffner.com, bug-followup at FreeBSD.org
Cc:
Subject: Re: kern/72995: [sound] Intel ICH2 (82801BA) - sound nearly inaudible
Date: Thu, 01 Jan 2009 00:45:52 +0900
Hello.
At Sat, 27 Dec 2008 18:50:07 GMT,
Russell J. Wood wrote:
> I have just switched to an Intel D845WN motherboard and am experiencing
> the same issue.
>
> Sound is very low even when the volume on my speakers are maxed.
>
> Regards,
(1) Would you try the patch attached below? I don't know whether this
patch is correct or not...
(2) After applied the patch, can you hear any difference between the
following commands?
# sysctl dev.pcm.0.eapd=0
# sysctl dev.pcm.0.eapd=1
--- sys/dev/sound/pcm/ac97.c.releng70 2007-10-30 03:47:47.000000000 +0900
+++ sys/dev/sound/pcm/ac97.c 2008-12-31 17:26:45.000000000 +0900
@@ -133,7 +133,7 @@
{ 0x41445303, 0x00, 0, "AD1819", 0 },
{ 0x41445340, 0x00, 0, "AD1881", 0 },
{ 0x41445348, 0x00, 0, "AD1881A", 0 },
- { 0x41445360, 0x00, 0, "AD1885", 0 },
+ { 0x41445360, 0x00, 0, "AD1885", ad1885_patch },
{ 0x41445361, 0x00, 0, "AD1886", ad1886_patch },
{ 0x41445362, 0x00, 0, "AD1887", 0 },
{ 0x41445363, 0x00, 0, "AD1886A", 0 },
@@ -141,8 +141,8 @@
{ 0x41445370, 0x00, 0, "AD1980", ad198x_patch },
{ 0x41445372, 0x00, 0, "AD1981A", 0 },
{ 0x41445374, 0x00, 0, "AD1981B", ad1981b_patch },
- { 0x41445375, 0x00, 0, "AD1985", ad198x_patch },
- { 0x41445378, 0x00, 0, "AD1986", ad198x_patch },
+ { 0x41445375, 0x00, 0, "AD1985", ad1985_patch },
+ { 0x41445378, 0x00, 0, "AD1986", ad1986_patch },
{ 0x414b4d00, 0x00, 1, "AK4540", 0 },
{ 0x414b4d01, 0x00, 1, "AK4542", 0 },
{ 0x414b4d02, 0x00, 1, "AK4543", 0 },
--- sys/dev/sound/pcm/ac97_patch.c.releng70 2007-10-30 03:47:27.000000000 +0900
+++ sys/dev/sound/pcm/ac97_patch.c 2008-12-31 18:01:41.000000000 +0900
@@ -30,6 +30,23 @@
SND_DECLARE_FILE("$FreeBSD: src/sys/dev/sound/pcm/ac97_patch.c,v 1.10.2.1 2007/10/29 18:47:27 ariff Exp $");
+void ad1885_patch(struct ac97_info* codec)
+{
+#define AC97_AD_JACK_SPDIF 0x72
+ /*
+ * JS0 and EAPD shares the same pin (no.47).
+ * To use the EAPD function, we should disable jack sense(?).
+ */
+ switch (ac97_getsubvendor(codec)) {
+ /* case 0xXXXXXXXX: */
+ /* break; */
+ default:
+ ac97_wrcd(codec, AC97_AD_JACK_SPDIF,
+ ac97_rdcd(codec, AC97_AD_JACK_SPDIF) | 0x1110);
+ break;
+ }
+}
+
void ad1886_patch(struct ac97_info* codec)
{
#define AC97_AD_JACK_SPDIF 0x72
@@ -44,6 +61,9 @@
void ad198x_patch(struct ac97_info* codec)
{
+ /*
+ * Swap the aim of the LINE_OUT and SURR_OUT/HP_OUT pins.
+ */
switch (ac97_getsubvendor(codec)) {
case 0x11931043: /* Not for ASUS A9T (probably else too). */
break;
@@ -69,6 +89,68 @@
}
}
+void ad1985_patch(struct ac97_info* codec)
+{
+ /*
+ * Swap the aim of the LINE_OUT and SURR_OUT/HP_OUT pins.
+ * Disable outputs of the LINE_OUT and CENTER_OUT/LFE_OUT pins.
+ * Select the CENTER_OUT/LFE_OUT pins as the MIC inputs.
+ * Enable the stereo microphone mode.
+ *
+ * Set the voltage of the VREFOUT pin.
+ */
+ switch (ac97_getsubvendor(codec)) {
+ case 0x80f31043: /* ASUS P4P800 Deluxe (SE) */
+ ac97_wrcd(codec, 0x76, ac97_rdcd(codec, 0x76) | 0x0420);
+ ac97_wrcd(codec, 0x76, ac97_rdcd(codec, 0x76) | 0x1800);
+ ac97_wrcd(codec, 0x74, ac97_rdcd(codec, 0x74) | 0x0200);
+ ac97_wrcd(codec, 0x76, ac97_rdcd(codec, 0x76) | 0x0040);
+
+ /*
+ * 0x0 = 2.25V (default)
+ * 0x1 = High-Z
+ * 0x2 = 3.7V
+ * 0x3 = 0V
+ */
+ ac97_wrcd(codec, 0x76, (ac97_rdcd(codec, 0x76) & ~0xc)
+ | 0x0 << 2);
+ break;
+ default:
+ break;
+ }
+}
+
+void ad1986_patch(struct ac97_info* codec)
+{
+ /*
+ * Disable outputs of the SURR_OUT and CENTER_OUT/LFE_OUT pins.
+ * Select the SURR_OUT pins as the LINE_IN inputs.
+ * Select the CENTER_OUT/LFE_OUT pins as the MIC inputs.
+ * Enable the stereo microphone mode.
+ *
+ * Set the voltage of the C/LFE VREF_OUT pin.
+ */
+ switch (ac97_getsubvendor(codec)) {
+ case 0x818f1043: /* ASUS P5SD2-X (SE) */
+ ac97_wrcd(codec, 0x76, ac97_rdcd(codec, 0x76) | 0x1800);
+ ac97_wrcd(codec, 0x76, ac97_rdcd(codec, 0x76) | 0x0004);
+ ac97_wrcd(codec, 0x74, ac97_rdcd(codec, 0x74) | 0x0200);
+ ac97_wrcd(codec, 0x76, ac97_rdcd(codec, 0x76) | 0x0040);
+
+ /*
+ * 0x0 = High-Z (default)
+ * 0x1 = 2.25V
+ * 0x2 = 0V
+ * 0x4 = 3.70V
+ */
+ ac97_wrcd(codec, 0x70, (ac97_rdcd(codec, 0x70) & ~0x1c)
+ | 0x1 << 2);
+ break;
+ default:
+ break;
+ }
+}
+
void cmi9739_patch(struct ac97_info* codec)
{
/*
--- sys/dev/sound/pcm/ac97_patch.h.releng70 2007-04-19 22:54:22.000000000 +0900
+++ sys/dev/sound/pcm/ac97_patch.h 2008-12-31 17:44:18.000000000 +0900
@@ -28,8 +28,11 @@
typedef void (*ac97_patch)(struct ac97_info*);
+void ad1885_patch(struct ac97_info*);
void ad1886_patch(struct ac97_info*);
void ad198x_patch(struct ac97_info*);
void ad1981b_patch(struct ac97_info*);
+void ad1985_patch(struct ac97_info*);
+void ad1986_patch(struct ac97_info*);
void cmi9739_patch(struct ac97_info*);
void alc655_patch(struct ac97_info*);
---
WATANABE Kazuhiro (CQG00620 at nifty.ne.jp)
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