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Date: Sun, 29 Sep 2002 20:34:52 +0200 (CEST)
From: Jaroslav Kysela <perex@suse.cz>
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To: Linus Torvalds <torvalds@transmeta.com>
cc: LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH] ALSA update [5/10] - 2002/07/17
Message-ID: <Pine.LNX.4.33.0209292034300.591-100000@pnote.perex-int.cz>
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You can import this changeset into BK by piping this whole message to:
'| bk receive [path to repository]' or apply the patch as usual.

===================================================================


ChangeSet@1.605.2.16, 2002-09-25 17:10:33+02:00, perex@pnote.perex-int.cz
  ALSA update 2002/07/17:
    - AD1816A - fixed MIC playback volume
    - OPL3SA2 - fixed non-ISA PnP build
    - AC'97 code - 1st version of separated codec specific code


 include/sound/version.h         |    2 
 sound/core/ioctl32/ioctl32.c    |    1 
 sound/isa/ad1816a/ad1816a_lib.c |    2 
 sound/isa/opl3sa2.c             |    2 
 sound/pci/ac97/Makefile         |    2 
 sound/pci/ac97/ac97_codec.c     |  316 ----------------------------------------
 sound/pci/ac97/ac97_id.h        |   44 +++++
 sound/pci/ac97/ac97_patch.c     |  310 +++++++++++++++++++++++++++++++++++++++
 sound/pci/ac97/ac97_patch.h     |   38 ++++
 9 files changed, 401 insertions(+), 316 deletions(-)


diff -Nru a/include/sound/version.h b/include/sound/version.h
--- a/include/sound/version.h	Sun Sep 29 20:21:04 2002
+++ b/include/sound/version.h	Sun Sep 29 20:21:04 2002
@@ -1,3 +1,3 @@
 /* include/version.h.  Generated automatically by configure.  */
 #define CONFIG_SND_VERSION "0.9.0rc2"
-#define CONFIG_SND_DATE " (Sun Jul 14 21:30:57 2002 UTC)"
+#define CONFIG_SND_DATE " (Wed Jul 17 10:56:41 2002 UTC)"
diff -Nru a/sound/core/ioctl32/ioctl32.c b/sound/core/ioctl32/ioctl32.c
--- a/sound/core/ioctl32/ioctl32.c	Sun Sep 29 20:21:04 2002
+++ b/sound/core/ioctl32/ioctl32.c	Sun Sep 29 20:21:04 2002
@@ -20,6 +20,7 @@
 
 #define __NO_VERSION__
 #include <sound/driver.h>
+#include <linux/sched.h>
 #include <linux/smp_lock.h>
 #include <linux/init.h>
 #include <linux/time.h>
diff -Nru a/sound/isa/ad1816a/ad1816a_lib.c b/sound/isa/ad1816a/ad1816a_lib.c
--- a/sound/isa/ad1816a/ad1816a_lib.c	Sun Sep 29 20:21:04 2002
+++ b/sound/isa/ad1816a/ad1816a_lib.c	Sun Sep 29 20:21:04 2002
@@ -908,7 +908,7 @@
 AD1816A_DOUBLE("FM Playback Switch", AD1816A_FM_ATT, 15, 7, 1, 1),
 AD1816A_DOUBLE("FM Playback Volume", AD1816A_FM_ATT, 8, 0, 63, 1),
 AD1816A_SINGLE("Mic Playback Switch", AD1816A_MIC_GAIN_ATT, 15, 1, 1),
-AD1816A_SINGLE("Mic Playback Volume", AD1816A_MIC_GAIN_ATT, 8, 63, 1),
+AD1816A_SINGLE("Mic Playback Volume", AD1816A_MIC_GAIN_ATT, 8, 31, 1),
 AD1816A_SINGLE("Mic Boost", AD1816A_MIC_GAIN_ATT, 14, 1, 0),
 AD1816A_DOUBLE("Video Playback Switch", AD1816A_VID_GAIN_ATT, 15, 7, 1, 1),
 AD1816A_DOUBLE("Video Playback Volume", AD1816A_VID_GAIN_ATT, 8, 0, 31, 1),
diff -Nru a/sound/isa/opl3sa2.c b/sound/isa/opl3sa2.c
--- a/sound/isa/opl3sa2.c	Sun Sep 29 20:21:04 2002
+++ b/sound/isa/opl3sa2.c	Sun Sep 29 20:21:04 2002
@@ -71,9 +71,11 @@
 MODULE_PARM(snd_enable, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
 MODULE_PARM_DESC(snd_enable, "Enable OPL3-SA soundcard.");
 MODULE_PARM_SYNTAX(snd_enable, SNDRV_ENABLE_DESC);
+#ifdef __ISAPNP__
 MODULE_PARM(snd_isapnp, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
 MODULE_PARM_DESC(snd_isapnp, "ISA PnP detection for specified soundcard.");
 MODULE_PARM_SYNTAX(snd_isapnp, SNDRV_ISAPNP_DESC);
+#endif
 MODULE_PARM(snd_port, "1-" __MODULE_STRING(SNDRV_CARDS) "l");
 MODULE_PARM_DESC(snd_port, "Port # for OPL3-SA driver.");
 MODULE_PARM_SYNTAX(snd_port, SNDRV_ENABLED ",allows:{{0xf86},{0x370},{0x100}},dialog:list");
diff -Nru a/sound/pci/ac97/Makefile b/sound/pci/ac97/Makefile
--- a/sound/pci/ac97/Makefile	Sun Sep 29 20:21:04 2002
+++ b/sound/pci/ac97/Makefile	Sun Sep 29 20:21:04 2002
@@ -5,7 +5,7 @@
 
 export-objs  := ac97_codec.o ak4531_codec.o
 
-snd-ac97-codec-objs := ac97_codec.o
+snd-ac97-codec-objs := ac97_codec.o ac97_patch.o
 snd-ak4531-codec-objs := ak4531_codec.o
 
 # Toplevel Module Dependency
diff -Nru a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
--- a/sound/pci/ac97/ac97_codec.c	Sun Sep 29 20:21:04 2002
+++ b/sound/pci/ac97/ac97_codec.c	Sun Sep 29 20:21:04 2002
@@ -31,6 +31,8 @@
 #include <sound/ac97_codec.h>
 #include <sound/asoundef.h>
 #include <sound/initval.h>
+#include "ac97_id.h"
+#include "ac97_patch.h"
 
 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
@@ -51,21 +53,6 @@
 static void snd_ac97_proc_init(snd_card_t * card, ac97_t * ac97);
 static void snd_ac97_proc_done(ac97_t * ac97);
 
-static int patch_wolfson00(ac97_t * ac97);
-static int patch_wolfson03(ac97_t * ac97);
-static int patch_wolfson04(ac97_t * ac97);
-static int patch_tritech_tr28028(ac97_t * ac97);
-static int patch_sigmatel_stac9708(ac97_t * ac97);
-static int patch_sigmatel_stac9721(ac97_t * ac97);
-static int patch_sigmatel_stac9744(ac97_t * ac97);
-static int patch_sigmatel_stac9756(ac97_t * ac97);
-static int patch_cirrus_cs4299(ac97_t * ac97);
-static int patch_cirrus_spdif(ac97_t * ac97);
-static int patch_conexant(ac97_t * ac97);
-static int patch_ad1819(ac97_t * ac97);
-static int patch_ad1881(ac97_t * ac97);
-static int patch_ad1886(ac97_t * ac97);
-
 typedef struct {
 	unsigned int id;
 	unsigned int mask;
@@ -107,6 +94,7 @@
 { 0x41445360, 0xffffffff, "AD1885",		patch_ad1881 },
 { 0x41445361, 0xffffffff, "AD1886",		patch_ad1886 },
 { 0x41445362, 0xffffffff, "AD1887",		patch_ad1881 },
+{ 0x41445372, 0xffffffff, "AD1981A",		NULL },
 { 0x414c4300, 0xfffffff0, "RL5306",	 	NULL },
 { 0x414c4310, 0xfffffff0, "RL5382", 		NULL },
 { 0x414c4320, 0xfffffff0, "RL5383", 		NULL },
@@ -151,27 +139,6 @@
 { 0, 	      0,	  NULL,			NULL }
 };
 
-#define AC97_ID_AK4540		0x414b4d00
-#define AC97_ID_AK4542		0x414b4d01
-#define AC97_ID_AD1819		0x41445303
-#define AC97_ID_AD1881		0x41445340
-#define AC97_ID_AD1881A		0x41445348
-#define AC97_ID_AD1885		0x41445360
-#define AC97_ID_AD1886		0x41445361
-#define AC97_ID_AD1887		0x41445362
-#define AC97_ID_TR28028		0x54524108
-#define AC97_ID_STAC9700	0x83847600
-#define AC97_ID_STAC9704	0x83847604
-#define AC97_ID_STAC9705	0x83847605
-#define AC97_ID_STAC9708	0x83847608
-#define AC97_ID_STAC9721	0x83847609
-#define AC97_ID_STAC9744	0x83847644
-#define AC97_ID_STAC9756	0x83847656
-#define AC97_ID_CS4297A		0x43525910
-#define AC97_ID_CS4299		0x43525930
-#define AC97_ID_CS4201		0x43525948
-#define AC97_ID_CS4205		0x43525958
-
 static const char *snd_ac97_stereo_enhancements[] =
 {
   /*   0 */ "No 3D Stereo Enhancement",
@@ -1848,283 +1815,6 @@
 		snd_info_unregister(ac97->proc_entry);
 		ac97->proc_entry = NULL;
 	}
-}
-
-/*
- *  Chip specific initialization
- */
-
-static int patch_wolfson00(ac97_t * ac97)
-{
-	/* This sequence is suspect because it was designed for
-	   the WM9704, and is known to fail when applied to the
-	   WM9707.  If you're having trouble initializing a
-	   WM9700, this is the place to start looking.
-	   Randolph Bentson <bentson@holmsjoen.com> */
-
-	// WM9701A
-	snd_ac97_write_cache(ac97, 0x72, 0x0808);
-	snd_ac97_write_cache(ac97, 0x74, 0x0808);
-
-	// patch for DVD noise
-	snd_ac97_write_cache(ac97, 0x5a, 0x0200);
-
-	// init vol
-	snd_ac97_write_cache(ac97, 0x70, 0x0808);
-
-	snd_ac97_write_cache(ac97, AC97_SURROUND_MASTER, 0x0000);
-	return 0;
-}
-
-static int patch_wolfson03(ac97_t * ac97)
-{
-	/* This is known to work for the ViewSonic ViewPad 1000
-	   Randolph Bentson <bentson@holmsjoen.com> */
-
-	// WM9703/9707
-	snd_ac97_write_cache(ac97, 0x72, 0x0808);
-	snd_ac97_write_cache(ac97, 0x20, 0x8000);
-	return 0;
-}
-
-static int patch_wolfson04(ac97_t * ac97)
-{
-	// WM9704
-	snd_ac97_write_cache(ac97, 0x72, 0x0808);
-	snd_ac97_write_cache(ac97, 0x74, 0x0808);
-
-	// patch for DVD noise
-	snd_ac97_write_cache(ac97, 0x5a, 0x0200);
-
-	// init vol
-	snd_ac97_write_cache(ac97, 0x70, 0x0808);
-
-	snd_ac97_write_cache(ac97, AC97_SURROUND_MASTER, 0x0000);
-	return 0;
-}
-
-static int patch_tritech_tr28028(ac97_t * ac97)
-{
-	snd_ac97_write_cache(ac97, 0x26, 0x0300);
-	snd_ac97_write_cache(ac97, 0x26, 0x0000);
-	snd_ac97_write_cache(ac97, AC97_SURROUND_MASTER, 0x0000);
-	snd_ac97_write_cache(ac97, AC97_SPDIF, 0x0000);
-	return 0;
-}
-
-static int patch_sigmatel_stac9708(ac97_t * ac97)
-{
-	unsigned int codec72, codec6c;
-
-	codec72 = snd_ac97_read(ac97, AC97_SIGMATEL_BIAS2) & 0x8000;
-	codec6c = snd_ac97_read(ac97, AC97_SIGMATEL_ANALOG);
-
-	if ((codec72==0) && (codec6c==0)) {
-		snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
-		snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x1000);
-		snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
-		snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS2, 0x0007);
-	} else if ((codec72==0x8000) && (codec6c==0)) {
-		snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
-		snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x1001);
-		snd_ac97_write_cache(ac97, AC97_SIGMATEL_DAC2INVERT, 0x0008);
-	} else if ((codec72==0x8000) && (codec6c==0x0080)) {
-		/* nothing */
-	}
-	snd_ac97_write_cache(ac97, AC97_SIGMATEL_MULTICHN, 0x0000);
-	return 0;
-}
-
-static int patch_sigmatel_stac9721(ac97_t * ac97)
-{
-	if (snd_ac97_read(ac97, AC97_SIGMATEL_ANALOG) == 0) {
-		// patch for SigmaTel
-		snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
-		snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x4000);
-		snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
-		snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS2, 0x0002);
-	}
-	snd_ac97_write_cache(ac97, AC97_SIGMATEL_MULTICHN, 0x0000);
-	return 0;
-}
-
-static int patch_sigmatel_stac9744(ac97_t * ac97)
-{
-	// patch for SigmaTel
-	snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
-	snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x0000);	/* is this correct? --jk */
-	snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
-	snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS2, 0x0002);
-	snd_ac97_write_cache(ac97, AC97_SIGMATEL_MULTICHN, 0x0000);
-	return 0;
-}
-
-static int patch_sigmatel_stac9756(ac97_t * ac97)
-{
-	// patch for SigmaTel
-	snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
-	snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x0000);	/* is this correct? --jk */
-	snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
-	snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS2, 0x0002);
-	snd_ac97_write_cache(ac97, AC97_SIGMATEL_MULTICHN, 0x0000);
-	return 0;
-}
-
-static int patch_cirrus_spdif(ac97_t * ac97)
-{
-	/* Basically, the cs4201/cs4205/cs4297a has non-standard sp/dif registers.
-	   WHY CAN'T ANYONE FOLLOW THE BLOODY SPEC?  *sigh*
-	   - sp/dif EA ID is not set, but sp/dif is always present.
-	   - enable/disable is spdif register bit 15.
-	   - sp/dif control register is 0x68.  differs from AC97:
-	   - valid is bit 14 (vs 15)
-	   - no DRS
-	   - only 44.1/48k [00 = 48, 01=44,1] (AC97 is 00=44.1, 10=48)
-	   - sp/dif ssource select is in 0x5e bits 0,1.
-	*/
-
-	ac97->flags |= AC97_CS_SPDIF; 
-        ac97->ext_id |= AC97_EA_SPDIF;	/* force the detection of spdif */
-	snd_ac97_write_cache(ac97, AC97_CSR_ACMODE, 0x0080);
-	return 0;
-}
-
-static int patch_cirrus_cs4299(ac97_t * ac97)
-{
-	/* force the detection of PC Beep */
-	ac97->flags |= AC97_HAS_PC_BEEP;
-	
-	return patch_cirrus_spdif(ac97);
-}
-
-static int patch_conexant(ac97_t * ac97)
-{
-	ac97->flags |= AC97_CX_SPDIF;
-        ac97->ext_id |= AC97_EA_SPDIF;	/* force the detection of spdif */
-	return 0;
-}
-
-static int patch_ad1819(ac97_t * ac97)
-{
-	// patch for Analog Devices
-	snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, 0x7000); /* select all codecs */
-	return 0;
-}
-
-static unsigned short patch_ad1881_unchained(ac97_t * ac97, int idx, unsigned short mask)
-{
-	unsigned short val;
-
-	// test for unchained codec
-	snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, mask);
-	snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, 0x0000);	/* ID0C, ID1C, SDIE = off */
-	val = snd_ac97_read(ac97, AC97_VENDOR_ID2);
-	if ((val & 0xff40) != 0x5340)
-		return 0;
-	ac97->spec.ad18xx.unchained[idx] = mask;
-	ac97->spec.ad18xx.id[idx] = val;
-	return mask;
-}
-
-static int patch_ad1881_chained1(ac97_t * ac97, int idx, unsigned short codec_bits)
-{
-	static int cfg_bits[3] = { 1<<12, 1<<14, 1<<13 };
-	unsigned short val;
-	
-	snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, cfg_bits[idx]);
-	snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, 0x0004);	// SDIE
-	val = snd_ac97_read(ac97, AC97_VENDOR_ID2);
-	if ((val & 0xff40) != 0x5340)
-		return 0;
-	if (codec_bits)
-		snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, codec_bits);
-	ac97->spec.ad18xx.chained[idx] = cfg_bits[idx];
-	ac97->spec.ad18xx.id[idx] = val;
-	return 1;
-}
-
-static void patch_ad1881_chained(ac97_t * ac97, int unchained_idx, int cidx1, int cidx2)
-{
-	// already detected?
-	if (ac97->spec.ad18xx.unchained[cidx1] || ac97->spec.ad18xx.chained[cidx1])
-		cidx1 = -1;
-	if (ac97->spec.ad18xx.unchained[cidx2] || ac97->spec.ad18xx.chained[cidx2])
-		cidx2 = -1;
-	if (cidx1 < 0 && cidx2 < 0)
-		return;
-	// test for chained codecs
-	snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, ac97->spec.ad18xx.unchained[unchained_idx]);
-	snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, 0x0002);		// ID1C
-	if (cidx1 >= 0) {
-		if (patch_ad1881_chained1(ac97, cidx1, 0x0006))		// SDIE | ID1C
-			patch_ad1881_chained1(ac97, cidx2, 0);
-		else if (patch_ad1881_chained1(ac97, cidx2, 0x0006))	// SDIE | ID1C
-			patch_ad1881_chained1(ac97, cidx1, 0);
-	} else if (cidx2 >= 0) {
-		patch_ad1881_chained1(ac97, cidx2, 0);
-	}
-}
-
-static int patch_ad1881(ac97_t * ac97)
-{
-	static const char cfg_idxs[3][2] = {
-		{2, 1},
-		{0, 2},
-		{0, 1}
-	};
-	
-	// patch for Analog Devices
-	unsigned short codecs[3];
-	int idx, num;
-
-	init_MUTEX(&ac97->spec.ad18xx.mutex);
-
-	codecs[0] = patch_ad1881_unchained(ac97, 0, (1<<12));
-	codecs[1] = patch_ad1881_unchained(ac97, 1, (1<<14));
-	codecs[2] = patch_ad1881_unchained(ac97, 2, (1<<13));
-
-	snd_runtime_check(codecs[0] | codecs[1] | codecs[2], goto __end);
-
-	for (idx = 0; idx < 3; idx++)
-		if (ac97->spec.ad18xx.unchained[idx])
-			patch_ad1881_chained(ac97, idx, cfg_idxs[idx][0], cfg_idxs[idx][1]);
-
-	if (ac97->spec.ad18xx.id[1]) {
-		ac97->flags |= AC97_AD_MULTI;
-		ac97->scaps |= AC97_SCAP_SURROUND_DAC;
-	}
-	if (ac97->spec.ad18xx.id[2]) {
-		ac97->flags |= AC97_AD_MULTI;
-		ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
-	}
-
-      __end:
-	/* select all codecs */
-	snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, 0x7000);
-	/* check if only one codec is present */
-	for (idx = num = 0; idx < 3; idx++)
-		if (ac97->spec.ad18xx.id[idx])
-			num++;
-	if (num == 1) {
-		/* ok, deselect all ID bits */
-		snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, 0x0000);
-	}
-	/* required for AD1886/AD1885 combination */
-	ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
-	if (ac97->spec.ad18xx.id[0]) {
-		ac97->id &= 0xffff0000;
-		ac97->id |= ac97->spec.ad18xx.id[0];
-	}
-	return 0;
-}
-
-static int patch_ad1886(ac97_t * ac97)
-{
-	patch_ad1881(ac97);
-	/* Presario700 workaround */
-	/* for Jack Sense/SPDIF Register misetting causing */
-	snd_ac97_write_cache(ac97, AC97_AD_JACK_SPDIF, 0x0010);
-	return 0;
 }
 
 /*
diff -Nru a/sound/pci/ac97/ac97_id.h b/sound/pci/ac97/ac97_id.h
--- /dev/null	Wed Dec 31 16:00:00 1969
+++ b/sound/pci/ac97/ac97_id.h	Sun Sep 29 20:21:04 2002
@@ -0,0 +1,44 @@
+/*
+ *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ *  Universal interface for Audio Codec '97
+ *
+ *  For more details look to AC '97 component specification revision 2.2
+ *  by Intel Corporation (http://developer.intel.com).
+ *
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+#define AC97_ID_AK4540		0x414b4d00
+#define AC97_ID_AK4542		0x414b4d01
+#define AC97_ID_AD1819		0x41445303
+#define AC97_ID_AD1881		0x41445340
+#define AC97_ID_AD1881A		0x41445348
+#define AC97_ID_AD1885		0x41445360
+#define AC97_ID_AD1886		0x41445361
+#define AC97_ID_AD1887		0x41445362
+#define AC97_ID_TR28028		0x54524108
+#define AC97_ID_STAC9700	0x83847600
+#define AC97_ID_STAC9704	0x83847604
+#define AC97_ID_STAC9705	0x83847605
+#define AC97_ID_STAC9708	0x83847608
+#define AC97_ID_STAC9721	0x83847609
+#define AC97_ID_STAC9744	0x83847644
+#define AC97_ID_STAC9756	0x83847656
+#define AC97_ID_CS4297A		0x43525910
+#define AC97_ID_CS4299		0x43525930
+#define AC97_ID_CS4201		0x43525948
+#define AC97_ID_CS4205		0x43525958
diff -Nru a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
--- /dev/null	Wed Dec 31 16:00:00 1969
+++ b/sound/pci/ac97/ac97_patch.c	Sun Sep 29 20:21:04 2002
@@ -0,0 +1,310 @@
+/*
+ *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ *  Universal interface for Audio Codec '97
+ *
+ *  For more details look to AC '97 component specification revision 2.2
+ *  by Intel Corporation (http://developer.intel.com).
+ *
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+#include <sound/driver.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/ac97_codec.h>
+#include <sound/asoundef.h>
+#include <sound/initval.h>
+
+/*
+ *  Chip specific initialization
+ */
+
+int patch_wolfson00(ac97_t * ac97)
+{
+	/* This sequence is suspect because it was designed for
+	   the WM9704, and is known to fail when applied to the
+	   WM9707.  If you're having trouble initializing a
+	   WM9700, this is the place to start looking.
+	   Randolph Bentson <bentson@holmsjoen.com> */
+
+	// WM9701A
+	snd_ac97_write_cache(ac97, 0x72, 0x0808);
+	snd_ac97_write_cache(ac97, 0x74, 0x0808);
+
+	// patch for DVD noise
+	snd_ac97_write_cache(ac97, 0x5a, 0x0200);
+
+	// init vol
+	snd_ac97_write_cache(ac97, 0x70, 0x0808);
+
+	snd_ac97_write_cache(ac97, AC97_SURROUND_MASTER, 0x0000);
+	return 0;
+}
+
+int patch_wolfson03(ac97_t * ac97)
+{
+	/* This is known to work for the ViewSonic ViewPad 1000
+	   Randolph Bentson <bentson@holmsjoen.com> */
+
+	// WM9703/9707
+	snd_ac97_write_cache(ac97, 0x72, 0x0808);
+	snd_ac97_write_cache(ac97, 0x20, 0x8000);
+	return 0;
+}
+
+int patch_wolfson04(ac97_t * ac97)
+{
+	// WM9704
+	snd_ac97_write_cache(ac97, 0x72, 0x0808);
+	snd_ac97_write_cache(ac97, 0x74, 0x0808);
+
+	// patch for DVD noise
+	snd_ac97_write_cache(ac97, 0x5a, 0x0200);
+
+	// init vol
+	snd_ac97_write_cache(ac97, 0x70, 0x0808);
+
+	snd_ac97_write_cache(ac97, AC97_SURROUND_MASTER, 0x0000);
+	return 0;
+}
+
+int patch_tritech_tr28028(ac97_t * ac97)
+{
+	snd_ac97_write_cache(ac97, 0x26, 0x0300);
+	snd_ac97_write_cache(ac97, 0x26, 0x0000);
+	snd_ac97_write_cache(ac97, AC97_SURROUND_MASTER, 0x0000);
+	snd_ac97_write_cache(ac97, AC97_SPDIF, 0x0000);
+	return 0;
+}
+
+int patch_sigmatel_stac9708(ac97_t * ac97)
+{
+	unsigned int codec72, codec6c;
+
+	codec72 = snd_ac97_read(ac97, AC97_SIGMATEL_BIAS2) & 0x8000;
+	codec6c = snd_ac97_read(ac97, AC97_SIGMATEL_ANALOG);
+
+	if ((codec72==0) && (codec6c==0)) {
+		snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
+		snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x1000);
+		snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
+		snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS2, 0x0007);
+	} else if ((codec72==0x8000) && (codec6c==0)) {
+		snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
+		snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x1001);
+		snd_ac97_write_cache(ac97, AC97_SIGMATEL_DAC2INVERT, 0x0008);
+	} else if ((codec72==0x8000) && (codec6c==0x0080)) {
+		/* nothing */
+	}
+	snd_ac97_write_cache(ac97, AC97_SIGMATEL_MULTICHN, 0x0000);
+	return 0;
+}
+
+int patch_sigmatel_stac9721(ac97_t * ac97)
+{
+	if (snd_ac97_read(ac97, AC97_SIGMATEL_ANALOG) == 0) {
+		// patch for SigmaTel
+		snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
+		snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x4000);
+		snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
+		snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS2, 0x0002);
+	}
+	snd_ac97_write_cache(ac97, AC97_SIGMATEL_MULTICHN, 0x0000);
+	return 0;
+}
+
+int patch_sigmatel_stac9744(ac97_t * ac97)
+{
+	// patch for SigmaTel
+	snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
+	snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x0000);	/* is this correct? --jk */
+	snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
+	snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS2, 0x0002);
+	snd_ac97_write_cache(ac97, AC97_SIGMATEL_MULTICHN, 0x0000);
+	return 0;
+}
+
+int patch_sigmatel_stac9756(ac97_t * ac97)
+{
+	// patch for SigmaTel
+	snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
+	snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x0000);	/* is this correct? --jk */
+	snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
+	snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS2, 0x0002);
+	snd_ac97_write_cache(ac97, AC97_SIGMATEL_MULTICHN, 0x0000);
+	return 0;
+}
+
+int patch_cirrus_spdif(ac97_t * ac97)
+{
+	/* Basically, the cs4201/cs4205/cs4297a has non-standard sp/dif registers.
+	   WHY CAN'T ANYONE FOLLOW THE BLOODY SPEC?  *sigh*
+	   - sp/dif EA ID is not set, but sp/dif is always present.
+	   - enable/disable is spdif register bit 15.
+	   - sp/dif control register is 0x68.  differs from AC97:
+	   - valid is bit 14 (vs 15)
+	   - no DRS
+	   - only 44.1/48k [00 = 48, 01=44,1] (AC97 is 00=44.1, 10=48)
+	   - sp/dif ssource select is in 0x5e bits 0,1.
+	*/
+
+	ac97->flags |= AC97_CS_SPDIF; 
+        ac97->ext_id |= AC97_EA_SPDIF;	/* force the detection of spdif */
+	snd_ac97_write_cache(ac97, AC97_CSR_ACMODE, 0x0080);
+	return 0;
+}
+
+int patch_cirrus_cs4299(ac97_t * ac97)
+{
+	/* force the detection of PC Beep */
+	ac97->flags |= AC97_HAS_PC_BEEP;
+	
+	return patch_cirrus_spdif(ac97);
+}
+
+int patch_conexant(ac97_t * ac97)
+{
+	ac97->flags |= AC97_CX_SPDIF;
+        ac97->ext_id |= AC97_EA_SPDIF;	/* force the detection of spdif */
+	return 0;
+}
+
+int patch_ad1819(ac97_t * ac97)
+{
+	// patch for Analog Devices
+	snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, 0x7000); /* select all codecs */
+	return 0;
+}
+
+static unsigned short patch_ad1881_unchained(ac97_t * ac97, int idx, unsigned short mask)
+{
+	unsigned short val;
+
+	// test for unchained codec
+	snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, mask);
+	snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, 0x0000);	/* ID0C, ID1C, SDIE = off */
+	val = snd_ac97_read(ac97, AC97_VENDOR_ID2);
+	if ((val & 0xff40) != 0x5340)
+		return 0;
+	ac97->spec.ad18xx.unchained[idx] = mask;
+	ac97->spec.ad18xx.id[idx] = val;
+	return mask;
+}
+
+static int patch_ad1881_chained1(ac97_t * ac97, int idx, unsigned short codec_bits)
+{
+	static int cfg_bits[3] = { 1<<12, 1<<14, 1<<13 };
+	unsigned short val;
+	
+	snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, cfg_bits[idx]);
+	snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, 0x0004);	// SDIE
+	val = snd_ac97_read(ac97, AC97_VENDOR_ID2);
+	if ((val & 0xff40) != 0x5340)
+		return 0;
+	if (codec_bits)
+		snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, codec_bits);
+	ac97->spec.ad18xx.chained[idx] = cfg_bits[idx];
+	ac97->spec.ad18xx.id[idx] = val;
+	return 1;
+}
+
+static void patch_ad1881_chained(ac97_t * ac97, int unchained_idx, int cidx1, int cidx2)
+{
+	// already detected?
+	if (ac97->spec.ad18xx.unchained[cidx1] || ac97->spec.ad18xx.chained[cidx1])
+		cidx1 = -1;
+	if (ac97->spec.ad18xx.unchained[cidx2] || ac97->spec.ad18xx.chained[cidx2])
+		cidx2 = -1;
+	if (cidx1 < 0 && cidx2 < 0)
+		return;
+	// test for chained codecs
+	snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, ac97->spec.ad18xx.unchained[unchained_idx]);
+	snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, 0x0002);		// ID1C
+	if (cidx1 >= 0) {
+		if (patch_ad1881_chained1(ac97, cidx1, 0x0006))		// SDIE | ID1C
+			patch_ad1881_chained1(ac97, cidx2, 0);
+		else if (patch_ad1881_chained1(ac97, cidx2, 0x0006))	// SDIE | ID1C
+			patch_ad1881_chained1(ac97, cidx1, 0);
+	} else if (cidx2 >= 0) {
+		patch_ad1881_chained1(ac97, cidx2, 0);
+	}
+}
+
+int patch_ad1881(ac97_t * ac97)
+{
+	static const char cfg_idxs[3][2] = {
+		{2, 1},
+		{0, 2},
+		{0, 1}
+	};
+	
+	// patch for Analog Devices
+	unsigned short codecs[3];
+	int idx, num;
+
+	init_MUTEX(&ac97->spec.ad18xx.mutex);
+
+	codecs[0] = patch_ad1881_unchained(ac97, 0, (1<<12));
+	codecs[1] = patch_ad1881_unchained(ac97, 1, (1<<14));
+	codecs[2] = patch_ad1881_unchained(ac97, 2, (1<<13));
+
+	snd_runtime_check(codecs[0] | codecs[1] | codecs[2], goto __end);
+
+	for (idx = 0; idx < 3; idx++)
+		if (ac97->spec.ad18xx.unchained[idx])
+			patch_ad1881_chained(ac97, idx, cfg_idxs[idx][0], cfg_idxs[idx][1]);
+
+	if (ac97->spec.ad18xx.id[1]) {
+		ac97->flags |= AC97_AD_MULTI;
+		ac97->scaps |= AC97_SCAP_SURROUND_DAC;
+	}
+	if (ac97->spec.ad18xx.id[2]) {
+		ac97->flags |= AC97_AD_MULTI;
+		ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
+	}
+
+      __end:
+	/* select all codecs */
+	snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, 0x7000);
+	/* check if only one codec is present */
+	for (idx = num = 0; idx < 3; idx++)
+		if (ac97->spec.ad18xx.id[idx])
+			num++;
+	if (num == 1) {
+		/* ok, deselect all ID bits */
+		snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, 0x0000);
+	}
+	/* required for AD1886/AD1885 combination */
+	ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
+	if (ac97->spec.ad18xx.id[0]) {
+		ac97->id &= 0xffff0000;
+		ac97->id |= ac97->spec.ad18xx.id[0];
+	}
+	return 0;
+}
+
+int patch_ad1886(ac97_t * ac97)
+{
+	patch_ad1881(ac97);
+	/* Presario700 workaround */
+	/* for Jack Sense/SPDIF Register misetting causing */
+	snd_ac97_write_cache(ac97, AC97_AD_JACK_SPDIF, 0x0010);
+	return 0;
+}
diff -Nru a/sound/pci/ac97/ac97_patch.h b/sound/pci/ac97/ac97_patch.h
--- /dev/null	Wed Dec 31 16:00:00 1969
+++ b/sound/pci/ac97/ac97_patch.h	Sun Sep 29 20:21:04 2002
@@ -0,0 +1,38 @@
+/*
+ *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ *  Universal interface for Audio Codec '97
+ *
+ *  For more details look to AC '97 component specification revision 2.2
+ *  by Intel Corporation (http://developer.intel.com).
+ *
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+int patch_wolfson00(ac97_t * ac97);
+int patch_wolfson03(ac97_t * ac97);
+int patch_wolfson04(ac97_t * ac97);
+int patch_tritech_tr28028(ac97_t * ac97);
+int patch_sigmatel_stac9708(ac97_t * ac97);
+int patch_sigmatel_stac9721(ac97_t * ac97);
+int patch_sigmatel_stac9744(ac97_t * ac97);
+int patch_sigmatel_stac9756(ac97_t * ac97);
+int patch_cirrus_cs4299(ac97_t * ac97);
+int patch_cirrus_spdif(ac97_t * ac97);
+int patch_conexant(ac97_t * ac97);
+int patch_ad1819(ac97_t * ac97);
+int patch_ad1881(ac97_t * ac97);
+int patch_ad1886(ac97_t * ac97);

===================================================================


This BitKeeper patch contains the following changesets:
1.605.2.16
## Wrapped with gzip_uu ##


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6*#/#\?!45BU2LIF:^2\@19N%=E(`````
`
end

-----
Jaroslav Kysela <perex@suse.cz>
Linux Kernel Sound Maintainer
ALSA Project  http://www.alsa-project.org
SuSE Linux    http://www.suse.com

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