Merge branch 'topic/hda' into for-linus

9 files changed, 1141 insertions, 904 deletions

diff --git a/sound/pci/hda/Kconfig b/sound/pci/hda/Kconfig
index 556cff937be..567348b05b5 100644
--- a/sound/pci/hda/Kconfig
+++ b/sound/pci/hda/Kconfig
@@ -157,7 +157,7 @@ config SND_HDA_CODEC_INTELHDMI
 
 config SND_HDA_ELD
 	def_bool y
-	depends on SND_HDA_CODEC_INTELHDMI
+	depends on SND_HDA_CODEC_INTELHDMI || SND_HDA_CODEC_NVHDMI
 
 config SND_HDA_CODEC_CIRRUS
 	bool "Build Cirrus Logic codec support"
diff --git a/sound/pci/hda/Makefile b/sound/pci/hda/Makefile
index 315a1c4f899..24bc195b02d 100644
--- a/sound/pci/hda/Makefile
+++ b/sound/pci/hda/Makefile
@@ -3,7 +3,7 @@ snd-hda-intel-objs := hda_intel.o
 snd-hda-codec-y := hda_codec.o
 snd-hda-codec-$(CONFIG_SND_HDA_GENERIC) += hda_generic.o
 snd-hda-codec-$(CONFIG_PROC_FS) += hda_proc.o
-# snd-hda-codec-$(CONFIG_SND_HDA_ELD) += hda_eld.o
+snd-hda-codec-$(CONFIG_SND_HDA_ELD) += hda_eld.o
 snd-hda-codec-$(CONFIG_SND_HDA_HWDEP) += hda_hwdep.o
 snd-hda-codec-$(CONFIG_SND_HDA_INPUT_BEEP) += hda_beep.o
 
@@ -18,7 +18,7 @@ snd-hda-codec-ca0110-objs :=	patch_ca0110.o
 snd-hda-codec-conexant-objs :=	patch_conexant.o
 snd-hda-codec-via-objs :=	patch_via.o
 snd-hda-codec-nvhdmi-objs :=	patch_nvhdmi.o
-snd-hda-codec-intelhdmi-objs :=	patch_intelhdmi.o hda_eld.o
+snd-hda-codec-intelhdmi-objs :=	patch_intelhdmi.o
 
 # common driver
 obj-$(CONFIG_SND_HDA_INTEL) := snd-hda-codec.o
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 76d3c4c049d..5bd7cf45f3a 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -978,8 +978,9 @@ static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
  *
  * Returns 0 if successful, or a negative error code.
  */
-int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
-				    struct hda_codec **codecp)
+int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus,
+				unsigned int codec_addr,
+				struct hda_codec **codecp)
 {
 	struct hda_codec *codec;
 	char component[31];
@@ -1186,7 +1187,7 @@ EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup_stream);
  */
 
 /* FIXME: more better hash key? */
-#define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
+#define HDA_HASH_KEY(nid, dir, idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
 #define HDA_HASH_PINCAP_KEY(nid) (u32)((nid) + (0x02 << 24))
 #define HDA_HASH_PARPCM_KEY(nid) (u32)((nid) + (0x03 << 24))
 #define HDA_HASH_PARSTR_KEY(nid) (u32)((nid) + (0x04 << 24))
@@ -1356,7 +1357,8 @@ u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid)
 	if (!codec->no_trigger_sense) {
 		pincap = snd_hda_query_pin_caps(codec, nid);
 		if (pincap & AC_PINCAP_TRIG_REQ) /* need trigger? */
-			snd_hda_codec_read(codec, nid, 0, AC_VERB_SET_PIN_SENSE, 0);
+			snd_hda_codec_read(codec, nid, 0,
+					AC_VERB_SET_PIN_SENSE, 0);
 	}
 	return snd_hda_codec_read(codec, nid, 0,
 				  AC_VERB_GET_PIN_SENSE, 0);
@@ -1372,8 +1374,8 @@ EXPORT_SYMBOL_HDA(snd_hda_pin_sense);
  */
 int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid)
 {
-        u32 sense = snd_hda_pin_sense(codec, nid);
-        return !!(sense & AC_PINSENSE_PRESENCE);
+	u32 sense = snd_hda_pin_sense(codec, nid);
+	return !!(sense & AC_PINSENSE_PRESENCE);
 }
 EXPORT_SYMBOL_HDA(snd_hda_jack_detect);
 
@@ -1952,7 +1954,7 @@ int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
 	err = snd_hda_ctl_add(codec, 0, kctl);
 	if (err < 0)
 		return err;
-	
+
 	for (s = slaves; *s; s++) {
 		struct snd_kcontrol *sctl;
 		int i = 0;
@@ -2439,27 +2441,27 @@ static struct snd_kcontrol_new dig_mixes[] = {
 	{
 		.access = SNDRV_CTL_ELEM_ACCESS_READ,
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
+		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
 		.info = snd_hda_spdif_mask_info,
 		.get = snd_hda_spdif_cmask_get,
 	},
 	{
 		.access = SNDRV_CTL_ELEM_ACCESS_READ,
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
+		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
 		.info = snd_hda_spdif_mask_info,
 		.get = snd_hda_spdif_pmask_get,
 	},
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
+		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
 		.info = snd_hda_spdif_mask_info,
 		.get = snd_hda_spdif_default_get,
 		.put = snd_hda_spdif_default_put,
 	},
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
+		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
 		.info = snd_hda_spdif_out_switch_info,
 		.get = snd_hda_spdif_out_switch_get,
 		.put = snd_hda_spdif_out_switch_put,
@@ -2610,7 +2612,7 @@ static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
 static struct snd_kcontrol_new dig_in_ctls[] = {
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
+		.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
 		.info = snd_hda_spdif_in_switch_info,
 		.get = snd_hda_spdif_in_switch_get,
 		.put = snd_hda_spdif_in_switch_put,
@@ -2618,7 +2620,7 @@ static struct snd_kcontrol_new dig_in_ctls[] = {
 	{
 		.access = SNDRV_CTL_ELEM_ACCESS_READ,
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
+		.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
 		.info = snd_hda_spdif_mask_info,
 		.get = snd_hda_spdif_in_status_get,
 	},
@@ -2883,7 +2885,7 @@ int /*__devinit*/ snd_hda_build_controls(struct hda_bus *bus)
 		int err = snd_hda_codec_build_controls(codec);
 		if (err < 0) {
 			printk(KERN_ERR "hda_codec: cannot build controls"
-			       "for #%d (error %d)\n", codec->addr, err); 
+			       "for #%d (error %d)\n", codec->addr, err);
 			err = snd_hda_codec_reset(codec);
 			if (err < 0) {
 				printk(KERN_ERR
@@ -2979,8 +2981,12 @@ unsigned int snd_hda_calc_stream_format(unsigned int rate,
 	val |= channels - 1;
 
 	switch (snd_pcm_format_width(format)) {
-	case 8:  val |= 0x00; break;
-	case 16: val |= 0x10; break;
+	case 8:
+		val |= 0x00;
+		break;
+	case 16:
+		val |= 0x10;
+		break;
 	case 20:
 	case 24:
 	case 32:
@@ -3298,7 +3304,8 @@ static int get_empty_pcm_device(struct hda_bus *bus, int type)
 		if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
 			return audio_idx[type][i];
 
-	snd_printk(KERN_WARNING "Too many %s devices\n", snd_hda_pcm_type_name[type]);
+	snd_printk(KERN_WARNING "Too many %s devices\n",
+		snd_hda_pcm_type_name[type]);
 	return -EAGAIN;
 }
 
@@ -3336,7 +3343,7 @@ int snd_hda_codec_build_pcms(struct hda_codec *codec)
 		err = codec->patch_ops.build_pcms(codec);
 		if (err < 0) {
 			printk(KERN_ERR "hda_codec: cannot build PCMs"
-			       "for #%d (error %d)\n", codec->addr, err); 
+			       "for #%d (error %d)\n", codec->addr, err);
 			err = snd_hda_codec_reset(codec);
 			if (err < 0) {
 				printk(KERN_ERR
@@ -3466,8 +3473,8 @@ EXPORT_SYMBOL_HDA(snd_hda_check_board_config);
 
 /**
  * snd_hda_check_board_codec_sid_config - compare the current codec
-				          subsystem ID with the
-					  config table
+					subsystem ID with the
+					config table
 
 	   This is important for Gateway notebooks with SB450 HDA Audio
 	   where the vendor ID of the PCI device is:
@@ -3607,7 +3614,7 @@ void snd_hda_update_power_acct(struct hda_codec *codec)
  *
  * Increment the power-up counter and power up the hardware really when
  * not turned on yet.
- */ 
+ */
 void snd_hda_power_up(struct hda_codec *codec)
 {
 	struct hda_bus *bus = codec->bus;
@@ -3636,7 +3643,7 @@ EXPORT_SYMBOL_HDA(snd_hda_power_up);
  *
  * Decrement the power-up counter and schedules the power-off work if
  * the counter rearches to zero.
- */ 
+ */
 void snd_hda_power_down(struct hda_codec *codec)
 {
 	--codec->power_count;
@@ -3662,7 +3669,7 @@ EXPORT_SYMBOL_HDA(snd_hda_power_down);
  *
  * This function is supposed to be set or called from the check_power_status
  * patch ops.
- */ 
+ */
 int snd_hda_check_amp_list_power(struct hda_codec *codec,
 				 struct hda_loopback_check *check,
 				 hda_nid_t nid)
@@ -3830,7 +3837,7 @@ static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
 {
 	/* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
 	if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
-		set_dig_out_convert(codec, nid, 
+		set_dig_out_convert(codec, nid,
 				    codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff,
 				    -1);
 	snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
@@ -4089,13 +4096,13 @@ static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
 /*
  * Sort an associated group of pins according to their sequence numbers.
  */
-static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
+static void sort_pins_by_sequence(hda_nid_t *pins, short *sequences,
 				  int num_pins)
 {
 	int i, j;
 	short seq;
 	hda_nid_t nid;
-	
+
 	for (i = 0; i < num_pins; i++) {
 		for (j = i + 1; j < num_pins; j++) {
 			if (sequences[i] > sequences[j]) {
@@ -4123,7 +4130,7 @@ static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
  * is detected, one of speaker of HP pins is assigned as the primary
  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
  * if any analog output exists.
- * 
+ *
  * The analog input pins are assigned to input_pins array.
  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
  * respectively.
@@ -4186,9 +4193,9 @@ int snd_hda_parse_pin_def_config(struct hda_codec *codec,
 		case AC_JACK_SPEAKER:
 			seq = get_defcfg_sequence(def_conf);
 			assoc = get_defcfg_association(def_conf);
-			if (! assoc)
+			if (!assoc)
 				continue;
-			if (! assoc_speaker)
+			if (!assoc_speaker)
 				assoc_speaker = assoc;
 			else if (assoc_speaker != assoc)
 				continue;
@@ -4286,7 +4293,7 @@ int snd_hda_parse_pin_def_config(struct hda_codec *codec,
 			      cfg->speaker_outs);
 	sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
 			      cfg->hp_outs);
-	
+
 	/* if we have only one mic, make it AUTO_PIN_MIC */
 	if (!cfg->input_pins[AUTO_PIN_MIC] &&
 	    cfg->input_pins[AUTO_PIN_FRONT_MIC]) {
@@ -4436,7 +4443,7 @@ EXPORT_SYMBOL_HDA(snd_hda_resume);
 /**
  * snd_array_new - get a new element from the given array
  * @array: the array object
- * 
+ *
  * Get a new element from the given array.  If it exceeds the
  * pre-allocated array size, re-allocate the array.
  *
diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c
index 4228f2fe595..dcd22446cfc 100644
--- a/sound/pci/hda/hda_eld.c
+++ b/sound/pci/hda/hda_eld.c
@@ -331,6 +331,7 @@ int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid)
 	return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_DIP_SIZE,
 						 AC_DIPSIZE_ELD_BUF);
 }
+EXPORT_SYMBOL_HDA(snd_hdmi_get_eld_size);
 
 int snd_hdmi_get_eld(struct hdmi_eld *eld,
 		     struct hda_codec *codec, hda_nid_t nid)
@@ -366,6 +367,7 @@ int snd_hdmi_get_eld(struct hdmi_eld *eld,
 	kfree(buf);
 	return ret;
 }
+EXPORT_SYMBOL_HDA(snd_hdmi_get_eld);
 
 static void hdmi_show_short_audio_desc(struct cea_sad *a)
 {
@@ -404,6 +406,7 @@ void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen)
 	}
 	buf[j] = '\0';	/* necessary when j == 0 */
 }
+EXPORT_SYMBOL_HDA(snd_print_channel_allocation);
 
 void snd_hdmi_show_eld(struct hdmi_eld *e)
 {
@@ -422,6 +425,7 @@ void snd_hdmi_show_eld(struct hdmi_eld *e)
 	for (i = 0; i < e->sad_count; i++)
 		hdmi_show_short_audio_desc(e->sad + i);
 }
+EXPORT_SYMBOL_HDA(snd_hdmi_show_eld);
 
 #ifdef CONFIG_PROC_FS
 
@@ -580,6 +584,7 @@ int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld,
 
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_eld_proc_new);
 
 void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld)
 {
@@ -588,5 +593,6 @@ void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld)
 		eld->proc_entry = NULL;
 	}
 }
+EXPORT_SYMBOL_HDA(snd_hda_eld_proc_free);
 
 #endif /* CONFIG_PROC_FS */
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index d5c93ad852e..43b7cfb7cff 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -267,7 +267,8 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
 #define RIRB_INT_MASK		0x05
 
 /* STATESTS int mask: S3,SD2,SD1,SD0 */
-#define AZX_MAX_CODECS		4
+#define AZX_MAX_CODECS		8
+#define AZX_DEFAULT_CODECS	4
 #define STATESTS_INT_MASK	((1 << AZX_MAX_CODECS) - 1)
 
 /* SD_CTL bits */
@@ -1367,6 +1368,7 @@ static void azx_bus_reset(struct hda_bus *bus)
 
 /* number of codec slots for each chipset: 0 = default slots (i.e. 4) */
 static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] __devinitdata = {
+	[AZX_DRIVER_NVIDIA] = 8,
 	[AZX_DRIVER_TERA] = 1,
 };
 
@@ -1399,7 +1401,7 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model)
 	codecs = 0;
 	max_slots = azx_max_codecs[chip->driver_type];
 	if (!max_slots)
-		max_slots = AZX_MAX_CODECS;
+		max_slots = AZX_DEFAULT_CODECS;
 
 	/* First try to probe all given codec slots */
 	for (c = 0; c < max_slots; c++) {
@@ -2263,10 +2265,12 @@ static int azx_dev_free(struct snd_device *device)
 static struct snd_pci_quirk position_fix_list[] __devinitdata = {
 	SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
+	SND_PCI_QUIRK(0x1028, 0x01f6, "Dell Latitude 131L", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1106, 0x3288, "ASUS M2V-MX SE", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
+	SND_PCI_QUIRK(0x1565, 0x820f, "Biostar Microtech", POS_FIX_LPIB),
 	{}
 };
 
@@ -2354,6 +2358,7 @@ static void __devinit check_probe_mask(struct azx *chip, int dev)
 static struct snd_pci_quirk msi_black_list[] __devinitdata = {
 	SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
 	SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
+	SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */
 	{}
 };
 
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
new file mode 100644
index 00000000000..2c2bafbf025
--- /dev/null
+++ b/sound/pci/hda/patch_hdmi.c
@@ -0,0 +1,849 @@
+/*
+ *
+ *  patch_hdmi.c - routines for HDMI/DisplayPort codecs
+ *
+ *  Copyright(c) 2008-2010 Intel Corporation. All rights reserved.
+ *
+ *  Authors:
+ *			Wu Fengguang <wfg@linux.intel.com>
+ *
+ *  Maintained by:
+ *			Wu Fengguang <wfg@linux.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.
+ */
+
+
+struct hdmi_spec {
+	int num_cvts;
+	int num_pins;
+	hda_nid_t cvt[MAX_HDMI_CVTS+1];  /* audio sources */
+	hda_nid_t pin[MAX_HDMI_PINS+1];  /* audio sinks */
+
+	/*
+	 * source connection for each pin
+	 */
+	hda_nid_t pin_cvt[MAX_HDMI_PINS+1];
+
+	/*
+	 * HDMI sink attached to each pin
+	 */
+	struct hdmi_eld sink_eld[MAX_HDMI_PINS];
+
+	/*
+	 * export one pcm per pipe
+	 */
+	struct hda_pcm	pcm_rec[MAX_HDMI_CVTS];
+
+	/*
+	 * nvhdmi specific
+	 */
+	struct hda_multi_out multiout;
+	unsigned int codec_type;
+};
+
+
+struct hdmi_audio_infoframe {
+	u8 type; /* 0x84 */
+	u8 ver;  /* 0x01 */
+	u8 len;  /* 0x0a */
+
+	u8 checksum;	/* PB0 */
+	u8 CC02_CT47;	/* CC in bits 0:2, CT in 4:7 */
+	u8 SS01_SF24;
+	u8 CXT04;
+	u8 CA;
+	u8 LFEPBL01_LSV36_DM_INH7;
+	u8 reserved[5];	/* PB6 - PB10 */
+};
+
+/*
+ * CEA speaker placement:
+ *
+ *        FLH       FCH        FRH
+ *  FLW    FL  FLC   FC   FRC   FR   FRW
+ *
+ *                                  LFE
+ *                     TC
+ *
+ *          RL  RLC   RC   RRC   RR
+ *
+ * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
+ * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
+ */
+enum cea_speaker_placement {
+	FL  = (1 <<  0),	/* Front Left           */
+	FC  = (1 <<  1),	/* Front Center         */
+	FR  = (1 <<  2),	/* Front Right          */
+	FLC = (1 <<  3),	/* Front Left Center    */
+	FRC = (1 <<  4),	/* Front Right Center   */
+	RL  = (1 <<  5),	/* Rear Left            */
+	RC  = (1 <<  6),	/* Rear Center          */
+	RR  = (1 <<  7),	/* Rear Right           */
+	RLC = (1 <<  8),	/* Rear Left Center     */
+	RRC = (1 <<  9),	/* Rear Right Center    */
+	LFE = (1 << 10),	/* Low Frequency Effect */
+	FLW = (1 << 11),	/* Front Left Wide      */
+	FRW = (1 << 12),	/* Front Right Wide     */
+	FLH = (1 << 13),	/* Front Left High      */
+	FCH = (1 << 14),	/* Front Center High    */
+	FRH = (1 << 15),	/* Front Right High     */
+	TC  = (1 << 16),	/* Top Center           */
+};
+
+/*
+ * ELD SA bits in the CEA Speaker Allocation data block
+ */
+static int eld_speaker_allocation_bits[] = {
+	[0] = FL | FR,
+	[1] = LFE,
+	[2] = FC,
+	[3] = RL | RR,
+	[4] = RC,
+	[5] = FLC | FRC,
+	[6] = RLC | RRC,
+	/* the following are not defined in ELD yet */
+	[7] = FLW | FRW,
+	[8] = FLH | FRH,
+	[9] = TC,
+	[10] = FCH,
+};
+
+struct cea_channel_speaker_allocation {
+	int ca_index;
+	int speakers[8];
+
+	/* derived values, just for convenience */
+	int channels;
+	int spk_mask;
+};
+
+/*
+ * ALSA sequence is:
+ *
+ *       surround40   surround41   surround50   surround51   surround71
+ * ch0   front left   =            =            =            =
+ * ch1   front right  =            =            =            =
+ * ch2   rear left    =            =            =            =
+ * ch3   rear right   =            =            =            =
+ * ch4                LFE          center       center       center
+ * ch5                                          LFE          LFE
+ * ch6                                                       side left
+ * ch7                                                       side right
+ *
+ * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
+ */
+static int hdmi_channel_mapping[0x32][8] = {
+	/* stereo */
+	[0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
+	/* 2.1 */
+	[0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
+	/* Dolby Surround */
+	[0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
+	/* surround40 */
+	[0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
+	/* 4ch */
+	[0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
+	/* surround41 */
+	[0x09] = { 0x00, 0x11, 0x24, 0x34, 0x43, 0xf2, 0xf6, 0xf7 },
+	/* surround50 */
+	[0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
+	/* surround51 */
+	[0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
+	/* 7.1 */
+	[0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
+};
+
+/*
+ * This is an ordered list!
+ *
+ * The preceding ones have better chances to be selected by
+ * hdmi_setup_channel_allocation().
+ */
+static struct cea_channel_speaker_allocation channel_allocations[] = {
+/*			  channel:   7     6    5    4    3     2    1    0  */
+{ .ca_index = 0x00,  .speakers = {   0,    0,   0,   0,   0,    0,  FR,  FL } },
+				 /* 2.1 */
+{ .ca_index = 0x01,  .speakers = {   0,    0,   0,   0,   0,  LFE,  FR,  FL } },
+				 /* Dolby Surround */
+{ .ca_index = 0x02,  .speakers = {   0,    0,   0,   0,  FC,    0,  FR,  FL } },
+				 /* surround40 */
+{ .ca_index = 0x08,  .speakers = {   0,    0,  RR,  RL,   0,    0,  FR,  FL } },
+				 /* surround41 */
+{ .ca_index = 0x09,  .speakers = {   0,    0,  RR,  RL,   0,  LFE,  FR,  FL } },
+				 /* surround50 */
+{ .ca_index = 0x0a,  .speakers = {   0,    0,  RR,  RL,  FC,    0,  FR,  FL } },
+				 /* surround51 */
+{ .ca_index = 0x0b,  .speakers = {   0,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
+				 /* 6.1 */
+{ .ca_index = 0x0f,  .speakers = {   0,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
+				 /* surround71 */
+{ .ca_index = 0x13,  .speakers = { RRC,  RLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
+
+{ .ca_index = 0x03,  .speakers = {   0,    0,   0,   0,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x04,  .speakers = {   0,    0,   0,  RC,   0,    0,  FR,  FL } },
+{ .ca_index = 0x05,  .speakers = {   0,    0,   0,  RC,   0,  LFE,  FR,  FL } },
+{ .ca_index = 0x06,  .speakers = {   0,    0,   0,  RC,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x07,  .speakers = {   0,    0,   0,  RC,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x0c,  .speakers = {   0,   RC,  RR,  RL,   0,    0,  FR,  FL } },
+{ .ca_index = 0x0d,  .speakers = {   0,   RC,  RR,  RL,   0,  LFE,  FR,  FL } },
+{ .ca_index = 0x0e,  .speakers = {   0,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x10,  .speakers = { RRC,  RLC,  RR,  RL,   0,    0,  FR,  FL } },
+{ .ca_index = 0x11,  .speakers = { RRC,  RLC,  RR,  RL,   0,  LFE,  FR,  FL } },
+{ .ca_index = 0x12,  .speakers = { RRC,  RLC,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x14,  .speakers = { FRC,  FLC,   0,   0,   0,    0,  FR,  FL } },
+{ .ca_index = 0x15,  .speakers = { FRC,  FLC,   0,   0,   0,  LFE,  FR,  FL } },
+{ .ca_index = 0x16,  .speakers = { FRC,  FLC,   0,   0,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x17,  .speakers = { FRC,  FLC,   0,   0,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x18,  .speakers = { FRC,  FLC,   0,  RC,   0,    0,  FR,  FL } },
+{ .ca_index = 0x19,  .speakers = { FRC,  FLC,   0,  RC,   0,  LFE,  FR,  FL } },
+{ .ca_index = 0x1a,  .speakers = { FRC,  FLC,   0,  RC,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x1b,  .speakers = { FRC,  FLC,   0,  RC,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x1c,  .speakers = { FRC,  FLC,  RR,  RL,   0,    0,  FR,  FL } },
+{ .ca_index = 0x1d,  .speakers = { FRC,  FLC,  RR,  RL,   0,  LFE,  FR,  FL } },
+{ .ca_index = 0x1e,  .speakers = { FRC,  FLC,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x1f,  .speakers = { FRC,  FLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x20,  .speakers = {   0,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x21,  .speakers = {   0,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x22,  .speakers = {  TC,    0,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x23,  .speakers = {  TC,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x24,  .speakers = { FRH,  FLH,  RR,  RL,   0,    0,  FR,  FL } },
+{ .ca_index = 0x25,  .speakers = { FRH,  FLH,  RR,  RL,   0,  LFE,  FR,  FL } },
+{ .ca_index = 0x26,  .speakers = { FRW,  FLW,  RR,  RL,   0,    0,  FR,  FL } },
+{ .ca_index = 0x27,  .speakers = { FRW,  FLW,  RR,  RL,   0,  LFE,  FR,  FL } },
+{ .ca_index = 0x28,  .speakers = {  TC,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x29,  .speakers = {  TC,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x2a,  .speakers = { FCH,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x2b,  .speakers = { FCH,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x2c,  .speakers = {  TC,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x2d,  .speakers = {  TC,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x2e,  .speakers = { FRH,  FLH,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x2f,  .speakers = { FRH,  FLH,  RR,  RL,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x30,  .speakers = { FRW,  FLW,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x31,  .speakers = { FRW,  FLW,  RR,  RL,  FC,  LFE,  FR,  FL } },
+};
+
+
+/*
+ * HDMI routines
+ */
+
+static int hda_node_index(hda_nid_t *nids, hda_nid_t nid)
+{
+	int i;
+
+	for (i = 0; nids[i]; i++)
+		if (nids[i] == nid)
+			return i;
+
+	snd_printk(KERN_WARNING "HDMI: nid %d not registered\n", nid);
+	return -EINVAL;
+}
+
+static void hdmi_get_show_eld(struct hda_codec *codec, hda_nid_t pin_nid,
+			      struct hdmi_eld *eld)
+{
+	if (!snd_hdmi_get_eld(eld, codec, pin_nid))
+		snd_hdmi_show_eld(eld);
+}
+
+#ifdef BE_PARANOID
+static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
+				int *packet_index, int *byte_index)
+{
+	int val;
+
+	val = snd_hda_codec_read(codec, pin_nid, 0,
+				 AC_VERB_GET_HDMI_DIP_INDEX, 0);
+
+	*packet_index = val >> 5;
+	*byte_index = val & 0x1f;
+}
+#endif
+
+static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
+				int packet_index, int byte_index)
+{
+	int val;
+
+	val = (packet_index << 5) | (byte_index & 0x1f);
+
+	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
+}
+
+static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
+				unsigned char val)
+{
+	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
+}
+
+static void hdmi_enable_output(struct hda_codec *codec, hda_nid_t pin_nid)
+{
+	/* Unmute */
+	if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
+		snd_hda_codec_write(codec, pin_nid, 0,
+				AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
+	/* Enable pin out */
+	snd_hda_codec_write(codec, pin_nid, 0,
+			    AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
+}
+
+static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t nid)
+{
+	return 1 + snd_hda_codec_read(codec, nid, 0,
+					AC_VERB_GET_CVT_CHAN_COUNT, 0);
+}
+
+static void hdmi_set_channel_count(struct hda_codec *codec,
+				   hda_nid_t nid, int chs)
+{
+	if (chs != hdmi_get_channel_count(codec, nid))
+		snd_hda_codec_write(codec, nid, 0,
+				    AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
+}
+
+
+/*
+ * Channel mapping routines
+ */
+
+/*
+ * Compute derived values in channel_allocations[].
+ */
+static void init_channel_allocations(void)
+{
+	int i, j;
+	struct cea_channel_speaker_allocation *p;
+
+	for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
+		p = channel_allocations + i;
+		p->channels = 0;
+		p->spk_mask = 0;
+		for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
+			if (p->speakers[j]) {
+				p->channels++;
+				p->spk_mask |= p->speakers[j];
+			}
+	}
+}
+
+/*
+ * The transformation takes two steps:
+ *
+ *	eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
+ *	      spk_mask => (channel_allocations[])         => ai->CA
+ *
+ * TODO: it could select the wrong CA from multiple candidates.
+*/
+static int hdmi_setup_channel_allocation(struct hda_codec *codec, hda_nid_t nid,
+					 struct hdmi_audio_infoframe *ai)
+{
+	struct hdmi_spec *spec = codec->spec;
+	struct hdmi_eld *eld;
+	int i;
+	int spk_mask = 0;
+	int channels = 1 + (ai->CC02_CT47 & 0x7);
+	char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
+
+	/*
+	 * CA defaults to 0 for basic stereo audio
+	 */
+	if (channels <= 2)
+		return 0;
+
+	i = hda_node_index(spec->pin_cvt, nid);
+	if (i < 0)
+		return 0;
+	eld = &spec->sink_eld[i];
+
+	/*
+	 * HDMI sink's ELD info cannot always be retrieved for now, e.g.
+	 * in console or for audio devices. Assume the highest speakers
+	 * configuration, to _not_ prohibit multi-channel audio playback.
+	 */
+	if (!eld->spk_alloc)
+		eld->spk_alloc = 0xffff;
+
+	/*
+	 * expand ELD's speaker allocation mask
+	 *
+	 * ELD tells the speaker mask in a compact(paired) form,
+	 * expand ELD's notions to match the ones used by Audio InfoFrame.
+	 */
+	for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
+		if (eld->spk_alloc & (1 << i))
+			spk_mask |= eld_speaker_allocation_bits[i];
+	}
+
+	/* search for the first working match in the CA table */
+	for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
+		if (channels == channel_allocations[i].channels &&
+		    (spk_mask & channel_allocations[i].spk_mask) ==
+				channel_allocations[i].spk_mask) {
+			ai->CA = channel_allocations[i].ca_index;
+			break;
+		}
+	}
+
+	snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
+	snd_printdd("HDMI: select CA 0x%x for %d-channel allocation: %s\n",
+		    ai->CA, channels, buf);
+
+	return ai->CA;
+}
+
+static void hdmi_debug_channel_mapping(struct hda_codec *codec,
+				       hda_nid_t pin_nid)
+{
+#ifdef CONFIG_SND_DEBUG_VERBOSE
+	int i;
+	int slot;
+
+	for (i = 0; i < 8; i++) {
+		slot = snd_hda_codec_read(codec, pin_nid, 0,
+						AC_VERB_GET_HDMI_CHAN_SLOT, i);
+		printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
+						slot >> 4, slot & 0xf);
+	}
+#endif
+}
+
+
+static void hdmi_setup_channel_mapping(struct hda_codec *codec,
+				       hda_nid_t pin_nid,
+				       struct hdmi_audio_infoframe *ai)
+{
+	int i;
+	int ca = ai->CA;
+	int err;
+
+	if (hdmi_channel_mapping[ca][1] == 0) {
+		for (i = 0; i < channel_allocations[ca].channels; i++)
+			hdmi_channel_mapping[ca][i] = i | (i << 4);
+		for (; i < 8; i++)
+			hdmi_channel_mapping[ca][i] = 0xf | (i << 4);
+	}
+
+	for (i = 0; i < 8; i++) {
+		err = snd_hda_codec_write(codec, pin_nid, 0,
+					  AC_VERB_SET_HDMI_CHAN_SLOT,
+					  hdmi_channel_mapping[ca][i]);
+		if (err) {
+			snd_printdd(KERN_NOTICE
+				    "HDMI: channel mapping failed\n");
+			break;
+		}
+	}
+
+	hdmi_debug_channel_mapping(codec, pin_nid);
+}
+
+
+/*
+ * Audio InfoFrame routines
+ */
+
+/*
+ * Enable Audio InfoFrame Transmission
+ */
+static void hdmi_start_infoframe_trans(struct hda_codec *codec,
+				       hda_nid_t pin_nid)
+{
+	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
+	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
+						AC_DIPXMIT_BEST);
+}
+
+/*
+ * Disable Audio InfoFrame Transmission
+ */
+static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
+				      hda_nid_t pin_nid)
+{
+	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
+	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
+						AC_DIPXMIT_DISABLE);
+}
+
+static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
+{
+#ifdef CONFIG_SND_DEBUG_VERBOSE
+	int i;
+	int size;
+
+	size = snd_hdmi_get_eld_size(codec, pin_nid);
+	printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
+
+	for (i = 0; i < 8; i++) {
+		size = snd_hda_codec_read(codec, pin_nid, 0,
+						AC_VERB_GET_HDMI_DIP_SIZE, i);
+		printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
+	}
+#endif
+}
+
+static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
+{
+#ifdef BE_PARANOID
+	int i, j;
+	int size;
+	int pi, bi;
+	for (i = 0; i < 8; i++) {
+		size = snd_hda_codec_read(codec, pin_nid, 0,
+						AC_VERB_GET_HDMI_DIP_SIZE, i);
+		if (size == 0)
+			continue;
+
+		hdmi_set_dip_index(codec, pin_nid, i, 0x0);
+		for (j = 1; j < 1000; j++) {
+			hdmi_write_dip_byte(codec, pin_nid, 0x0);
+			hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
+			if (pi != i)
+				snd_printd(KERN_INFO "dip index %d: %d != %d\n",
+						bi, pi, i);
+			if (bi == 0) /* byte index wrapped around */
+				break;
+		}
+		snd_printd(KERN_INFO
+			"HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
+			i, size, j);
+	}
+#endif
+}
+
+static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *ai)
+{
+	u8 *bytes = (u8 *)ai;
+	u8 sum = 0;
+	int i;
+
+	ai->checksum = 0;
+
+	for (i = 0; i < sizeof(*ai); i++)
+		sum += bytes[i];
+
+	ai->checksum = -sum;
+}
+
+static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
+				      hda_nid_t pin_nid,
+				      struct hdmi_audio_infoframe *ai)
+{
+	u8 *bytes = (u8 *)ai;
+	int i;
+
+	hdmi_debug_dip_size(codec, pin_nid);
+	hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
+
+	hdmi_checksum_audio_infoframe(ai);
+
+	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
+	for (i = 0; i < sizeof(*ai); i++)
+		hdmi_write_dip_byte(codec, pin_nid, bytes[i]);
+}
+
+static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
+				    struct hdmi_audio_infoframe *ai)
+{
+	u8 *bytes = (u8 *)ai;
+	u8 val;
+	int i;
+
+	if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
+							    != AC_DIPXMIT_BEST)
+		return false;
+
+	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
+	for (i = 0; i < sizeof(*ai); i++) {
+		val = snd_hda_codec_read(codec, pin_nid, 0,
+					 AC_VERB_GET_HDMI_DIP_DATA, 0);
+		if (val != bytes[i])
+			return false;
+	}
+
+	return true;
+}
+
+static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid,
+					struct snd_pcm_substream *substream)
+{
+	struct hdmi_spec *spec = codec->spec;
+	hda_nid_t pin_nid;
+	int i;
+	struct hdmi_audio_infoframe ai = {
+		.type		= 0x84,
+		.ver		= 0x01,
+		.len		= 0x0a,
+		.CC02_CT47	= substream->runtime->channels - 1,
+	};
+
+	hdmi_setup_ch