1 files changed, 1096 insertions, 123 deletions

diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c
index 5a1ec0f7a1a6..7851dd204a49 100644
--- a/sound/soc/codecs/hdac_hdmi.c
+++ b/sound/soc/codecs/hdac_hdmi.c
@@ -22,11 +22,17 @@
 #include <linux/module.h>
 #include <linux/pm_runtime.h>
 #include <linux/hdmi.h>
+#include <drm/drm_edid.h>
 #include <sound/pcm_params.h>
+#include <sound/jack.h>
 #include <sound/soc.h>
 #include <sound/hdaudio_ext.h>
 #include <sound/hda_i915.h>
+#include <sound/pcm_drm_eld.h>
 #include "../../hda/local.h"
+#include "hdac_hdmi.h"
+
+#define NAME_SIZE	32
 
 #define AMP_OUT_MUTE		0xb080
 #define AMP_OUT_UNMUTE		0xb000
@@ -34,6 +40,11 @@
 
 #define HDA_MAX_CONNECTIONS     32
 
+#define HDA_MAX_CVTS		3
+
+#define ELD_MAX_SIZE    256
+#define ELD_FIXED_BYTES	20
+
 struct hdac_hdmi_cvt_params {
 	unsigned int channels_min;
 	unsigned int channels_max;
@@ -45,14 +56,34 @@ struct hdac_hdmi_cvt_params {
 struct hdac_hdmi_cvt {
 	struct list_head head;
 	hda_nid_t nid;
+	const char *name;
 	struct hdac_hdmi_cvt_params params;
 };
 
+struct hdac_hdmi_eld {
+	bool	monitor_present;
+	bool	eld_valid;
+	int	eld_size;
+	char    eld_buffer[ELD_MAX_SIZE];
+};
+
 struct hdac_hdmi_pin {
 	struct list_head head;
 	hda_nid_t nid;
 	int num_mux_nids;
 	hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
+	struct hdac_hdmi_eld eld;
+	struct hdac_ext_device *edev;
+	int repoll_count;
+	struct delayed_work work;
+};
+
+struct hdac_hdmi_pcm {
+	struct list_head head;
+	int pcm_id;
+	struct hdac_hdmi_pin *pin;
+	struct hdac_hdmi_cvt *cvt;
+	struct snd_jack *jack;
 };
 
 struct hdac_hdmi_dai_pin_map {
@@ -62,11 +93,13 @@ struct hdac_hdmi_dai_pin_map {
 };
 
 struct hdac_hdmi_priv {
-	struct hdac_hdmi_dai_pin_map dai_map[3];
+	struct hdac_hdmi_dai_pin_map dai_map[HDA_MAX_CVTS];
 	struct list_head pin_list;
 	struct list_head cvt_list;
+	struct list_head pcm_list;
 	int num_pin;
 	int num_cvt;
+	struct mutex pin_mutex;
 };
 
 static inline struct hdac_ext_device *to_hda_ext_device(struct device *dev)
@@ -76,6 +109,119 @@ static inline struct hdac_ext_device *to_hda_ext_device(struct device *dev)
 	return to_ehdac_device(hdac);
 }
 
+static unsigned int sad_format(const u8 *sad)
+{
+	return ((sad[0] >> 0x3) & 0x1f);
+}
+
+static unsigned int sad_sample_bits_lpcm(const u8 *sad)
+{
+	return (sad[2] & 7);
+}
+
+static int hdac_hdmi_eld_limit_formats(struct snd_pcm_runtime *runtime,
+						void *eld)
+{
+	u64 formats = SNDRV_PCM_FMTBIT_S16;
+	int i;
+	const u8 *sad, *eld_buf = eld;
+
+	sad = drm_eld_sad(eld_buf);
+	if (!sad)
+		goto format_constraint;
+
+	for (i = drm_eld_sad_count(eld_buf); i > 0; i--, sad += 3) {
+		if (sad_format(sad) == 1) { /* AUDIO_CODING_TYPE_LPCM */
+
+			/*
+			 * the controller support 20 and 24 bits in 32 bit
+			 * container so we set S32
+			 */
+			if (sad_sample_bits_lpcm(sad) & 0x6)
+				formats |= SNDRV_PCM_FMTBIT_S32;
+		}
+	}
+
+format_constraint:
+	return snd_pcm_hw_constraint_mask64(runtime, SNDRV_PCM_HW_PARAM_FORMAT,
+				formats);
+
+}
+
+ /* HDMI ELD routines */
+static unsigned int hdac_hdmi_get_eld_data(struct hdac_device *codec,
+				hda_nid_t nid, int byte_index)
+{
+	unsigned int val;
+
+	val = snd_hdac_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_ELDD,
+							byte_index);
+
+	dev_dbg(&codec->dev, "HDMI: ELD data byte %d: 0x%x\n",
+					byte_index, val);
+
+	return val;
+}
+
+static int hdac_hdmi_get_eld_size(struct hdac_device *codec, hda_nid_t nid)
+{
+	return snd_hdac_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_DIP_SIZE,
+						 AC_DIPSIZE_ELD_BUF);
+}
+
+/*
+ * This function queries the ELD size and ELD data and fills in the buffer
+ * passed by user
+ */
+static int hdac_hdmi_get_eld(struct hdac_device *codec, hda_nid_t nid,
+			     unsigned char *buf, int *eld_size)
+{
+	int i, size, ret = 0;
+
+	/*
+	 * ELD size is initialized to zero in caller function. If no errors and
+	 * ELD is valid, actual eld_size is assigned.
+	 */
+
+	size = hdac_hdmi_get_eld_size(codec, nid);
+	if (size < ELD_FIXED_BYTES || size > ELD_MAX_SIZE) {
+		dev_err(&codec->dev, "HDMI: invalid ELD buf size %d\n", size);
+		return -ERANGE;
+	}
+
+	/* set ELD buffer */
+	for (i = 0; i < size; i++) {
+		unsigned int val = hdac_hdmi_get_eld_data(codec, nid, i);
+		/*
+		 * Graphics driver might be writing to ELD buffer right now.
+		 * Just abort. The caller will repoll after a while.
+		 */
+		if (!(val & AC_ELDD_ELD_VALID)) {
+			dev_err(&codec->dev,
+				"HDMI: invalid ELD data byte %d\n", i);
+			ret = -EINVAL;
+			goto error;
+		}
+		val &= AC_ELDD_ELD_DATA;
+		/*
+		 * The first byte cannot be zero. This can happen on some DVI
+		 * connections. Some Intel chips may also need some 250ms delay
+		 * to return non-zero ELD data, even when the graphics driver
+		 * correctly writes ELD content before setting ELD_valid bit.
+		 */
+		if (!val && !i) {
+			dev_err(&codec->dev, "HDMI: 0 ELD data\n");
+			ret = -EINVAL;
+			goto error;
+		}
+		buf[i] = val;
+	}
+
+	*eld_size = size;
+error:
+	return ret;
+}
+
 static int hdac_hdmi_setup_stream(struct hdac_ext_device *hdac,
 				hda_nid_t cvt_nid, hda_nid_t pin_nid,
 				u32 stream_tag, int format)
@@ -107,27 +253,75 @@ hdac_hdmi_set_dip_index(struct hdac_ext_device *hdac, hda_nid_t pin_nid,
 				AC_VERB_SET_HDMI_DIP_INDEX, val);
 }
 
+struct dp_audio_infoframe {
+	u8 type; /* 0x84 */
+	u8 len;  /* 0x1b */
+	u8 ver;  /* 0x11 << 2 */
+
+	u8 CC02_CT47;	/* match with HDMI infoframe from this on */
+	u8 SS01_SF24;
+	u8 CXT04;
+	u8 CA;
+	u8 LFEPBL01_LSV36_DM_INH7;
+};
+
 static int hdac_hdmi_setup_audio_infoframe(struct hdac_ext_device *hdac,
 				hda_nid_t cvt_nid, hda_nid_t pin_nid)
 {
 	uint8_t buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AUDIO_INFOFRAME_SIZE];
 	struct hdmi_audio_infoframe frame;
-	u8 *dip = (u8 *)&frame;
+	struct dp_audio_infoframe dp_ai;
+	struct hdac_hdmi_priv *hdmi = hdac->private_data;
+	struct hdac_hdmi_pin *pin;
+	u8 *dip;
 	int ret;
 	int i;
+	const u8 *eld_buf;
+	u8 conn_type;
+	int channels = 2;
 
-	hdmi_audio_infoframe_init(&frame);
+	list_for_each_entry(pin, &hdmi->pin_list, head) {
+		if (pin->nid == pin_nid)
+			break;
+	}
 
-	/* Default stereo for now */
-	frame.channels = 2;
+	eld_buf = pin->eld.eld_buffer;
+	conn_type = drm_eld_get_conn_type(eld_buf);
 
 	/* setup channel count */
 	snd_hdac_codec_write(&hdac->hdac, cvt_nid, 0,
-			    AC_VERB_SET_CVT_CHAN_COUNT, frame.channels - 1);
+			    AC_VERB_SET_CVT_CHAN_COUNT, channels - 1);
 
-	ret = hdmi_audio_infoframe_pack(&frame, buffer, sizeof(buffer));
-	if (ret < 0)
-		return ret;
+	switch (conn_type) {
+	case DRM_ELD_CONN_TYPE_HDMI:
+		hdmi_audio_infoframe_init(&frame);
+
+		/* Default stereo for now */
+		frame.channels = channels;
+
+		ret = hdmi_audio_infoframe_pack(&frame, buffer, sizeof(buffer));
+		if (ret < 0)
+			return ret;
+
+		dip = (u8 *)&frame;
+		break;
+
+	case DRM_ELD_CONN_TYPE_DP:
+		memset(&dp_ai, 0, sizeof(dp_ai));
+		dp_ai.type	= 0x84;
+		dp_ai.len	= 0x1b;
+		dp_ai.ver	= 0x11 << 2;
+		dp_ai.CC02_CT47	= channels - 1;
+		dp_ai.CA	= 0;
+
+		dip = (u8 *)&dp_ai;
+		break;
+
+	default:
+		dev_err(&hdac->hdac.dev, "Invalid connection type: %d\n",
+						conn_type);
+		return -EIO;
+	}
 
 	/* stop infoframe transmission */
 	hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0);
@@ -137,9 +331,15 @@ static int hdac_hdmi_setup_audio_infoframe(struct hdac_ext_device *hdac,
 
 	/*  Fill infoframe. Index auto-incremented */
 	hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0);
-	for (i = 0; i < sizeof(frame); i++)
-		snd_hdac_codec_write(&hdac->hdac, pin_nid, 0,
+	if (conn_type == DRM_ELD_CONN_TYPE_HDMI) {
+		for (i = 0; i < sizeof(frame); i++)
+			snd_hdac_codec_write(&hdac->hdac, pin_nid, 0,
+				AC_VERB_SET_HDMI_DIP_DATA, dip[i]);
+	} else {
+		for (i = 0; i < sizeof(dp_ai); i++)
+			snd_hdac_codec_write(&hdac->hdac, pin_nid, 0,
 				AC_VERB_SET_HDMI_DIP_DATA, dip[i]);
+	}
 
 	/* Start infoframe */
 	hdac_hdmi_set_dip_index(hdac, pin_nid, 0x0, 0x0);
@@ -174,11 +374,6 @@ static int hdac_hdmi_playback_prepare(struct snd_pcm_substream *substream,
 	struct hdac_ext_dma_params *dd;
 	int ret;
 
-	if (dai->id > 0) {
-		dev_err(&hdac->hdac.dev, "Only one dai supported as of now\n");
-		return -ENODEV;
-	}
-
 	dai_map = &hdmi->dai_map[dai->id];
 
 	dd = (struct hdac_ext_dma_params *)snd_soc_dai_get_dma_data(dai, substream);
@@ -198,16 +393,30 @@ static int hdac_hdmi_set_hw_params(struct snd_pcm_substream *substream,
 	struct snd_pcm_hw_params *hparams, struct snd_soc_dai *dai)
 {
 	struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai);
+	struct hdac_hdmi_priv *hdmi = hdac->private_data;
+	struct hdac_hdmi_dai_pin_map *dai_map;
+	struct hdac_hdmi_pin *pin;
 	struct hdac_ext_dma_params *dd;
 
-	if (dai->id > 0) {
-		dev_err(&hdac->hdac.dev, "Only one dai supported as of now\n");
+	dai_map = &hdmi->dai_map[dai->id];
+	pin = dai_map->pin;
+
+	if (!pin)
+		return -ENODEV;
+
+	if ((!pin->eld.monitor_present) || (!pin->eld.eld_valid)) {
+		dev_err(&hdac->hdac.dev, "device is not configured for this pin: %d\n",
+								pin->nid);
 		return -ENODEV;
 	}
 
-	dd = kzalloc(sizeof(*dd), GFP_KERNEL);
-	if (!dd)
-		return -ENOMEM;
+	dd = snd_soc_dai_get_dma_data(dai, substream);
+	if (!dd) {
+		dd = kzalloc(sizeof(*dd), GFP_KERNEL);
+		if (!dd)
+			return -ENOMEM;
+	}
+
 	dd->format = snd_hdac_calc_stream_format(params_rate(hparams),
 			params_channels(hparams), params_format(hparams),
 			24, 0);
@@ -227,50 +436,187 @@ static int hdac_hdmi_playback_cleanup(struct snd_pcm_substream *substream,
 
 	dai_map = &hdmi->dai_map[dai->id];
 
+	dd = (struct hdac_ext_dma_params *)snd_soc_dai_get_dma_data(dai, substream);
+
+	if (dd) {
+		snd_soc_dai_set_dma_data(dai, substream, NULL);
+		kfree(dd);
+	}
+
+	return 0;
+}
+
+static void hdac_hdmi_enable_cvt(struct hdac_ext_device *edev,
+		struct hdac_hdmi_dai_pin_map *dai_map)
+{
+	/* Enable transmission */
 	snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0,
-				AC_VERB_SET_CHANNEL_STREAMID, 0);
+			AC_VERB_SET_DIGI_CONVERT_1, 1);
+
+	/* Category Code (CC) to zero */
 	snd_hdac_codec_write(&edev->hdac, dai_map->cvt->nid, 0,
-				AC_VERB_SET_STREAM_FORMAT, 0);
+			AC_VERB_SET_DIGI_CONVERT_2, 0);
+}
 
-	dd = (struct hdac_ext_dma_params *)snd_soc_dai_get_dma_data(dai, substream);
-	snd_soc_dai_set_dma_data(dai, substream, NULL);
+static int hdac_hdmi_enable_pin(struct hdac_ext_device *hdac,
+		struct hdac_hdmi_dai_pin_map *dai_map)
+{
+	int mux_idx;
+	struct hdac_hdmi_pin *pin = dai_map->pin;
+
+	for (mux_idx = 0; mux_idx < pin->num_mux_nids; mux_idx++) {
+		if (pin->mux_nids[mux_idx] == dai_map->cvt->nid) {
+			snd_hdac_codec_write(&hdac->hdac, pin->nid, 0,
+					AC_VERB_SET_CONNECT_SEL, mux_idx);
+			break;
+		}
+	}
 
-	kfree(dd);
+	if (mux_idx == pin->num_mux_nids)
+		return -EIO;
+
+	/* Enable out path for this pin widget */
+	snd_hdac_codec_write(&hdac->hdac, pin->nid, 0,
+			AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
+
+	hdac_hdmi_set_power_state(hdac, dai_map, AC_PWRST_D0);
+
+	snd_hdac_codec_write(&hdac->hdac, pin->nid, 0,
+			AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
 
 	return 0;
 }
 
+static int hdac_hdmi_query_pin_connlist(struct hdac_ext_device *hdac,
+					struct hdac_hdmi_pin *pin)
+{
+	if (!(get_wcaps(&hdac->hdac, pin->nid) & AC_WCAP_CONN_LIST)) {
+		dev_warn(&hdac->hdac.dev,
+			"HDMI: pin %d wcaps %#x does not support connection list\n",
+			pin->nid, get_wcaps(&hdac->hdac, pin->nid));
+		return -EINVAL;
+	}
+
+	pin->num_mux_nids = snd_hdac_get_connections(&hdac->hdac, pin->nid,
+			pin->mux_nids, HDA_MAX_CONNECTIONS);
+	if (pin->num_mux_nids == 0)
+		dev_warn(&hdac->hdac.dev, "No connections found for pin: %d\n",
+								pin->nid);
+
+	dev_dbg(&hdac->hdac.dev, "num_mux_nids %d for pin: %d\n",
+			pin->num_mux_nids, pin->nid);
+
+	return pin->num_mux_nids;
+}
+
+/*
+ * Query pcm list and return pin widget to which stream is routed.
+ *
+ * Also query connection list of the pin, to validate the cvt to pin map.
+ *
+ * Same stream rendering to multiple pins simultaneously can be done
+ * possibly, but not supported for now in driver. So return the first pin
+ * connected.
+ */
+static struct hdac_hdmi_pin *hdac_hdmi_get_pin_from_cvt(
+			struct hdac_ext_device *edev,
+			struct hdac_hdmi_priv *hdmi,
+			struct hdac_hdmi_cvt *cvt)
+{
+	struct hdac_hdmi_pcm *pcm;
+	struct hdac_hdmi_pin *pin = NULL;
+	int ret, i;
+
+	list_for_each_entry(pcm, &hdmi->pcm_list, head) {
+		if (pcm->cvt == cvt) {
+			pin = pcm->pin;
+			break;
+		}
+	}
+
+	if (pin) {
+		ret = hdac_hdmi_query_pin_connlist(edev, pin);
+		if (ret < 0)
+			return NULL;
+
+		for (i = 0; i < pin->num_mux_nids; i++) {
+			if (pin->mux_nids[i] == cvt->nid)
+				return pin;
+		}
+	}
+
+	return NULL;
+}
+
+/*
+ * This tries to get a valid pin and set the HW constraints based on the
+ * ELD. Even if a valid pin is not found return success so that device open
+ * doesn't fail.
+ */
 static int hdac_hdmi_pcm_open(struct snd_pcm_substream *substream,
 			struct snd_soc_dai *dai)
 {
 	struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai);
 	struct hdac_hdmi_priv *hdmi = hdac->private_data;
 	struct hdac_hdmi_dai_pin_map *dai_map;
-	int val;
-
-	if (dai->id > 0) {
-		dev_err(&hdac->hdac.dev, "Only one dai supported as of now\n");
-		return -ENODEV;
-	}
+	struct hdac_hdmi_cvt *cvt;
+	struct hdac_hdmi_pin *pin;
+	int ret;
 
 	dai_map = &hdmi->dai_map[dai->id];
 
-	val = snd_hdac_codec_read(&hdac->hdac, dai_map->pin->nid, 0,
-					AC_VERB_GET_PIN_SENSE, 0);
-	dev_info(&hdac->hdac.dev, "Val for AC_VERB_GET_PIN_SENSE: %x\n", val);
+	cvt = dai_map->cvt;
+	pin = hdac_hdmi_get_pin_from_cvt(hdac, hdmi, cvt);
 
-	if ((!(val & AC_PINSENSE_PRESENCE)) || (!(val & AC_PINSENSE_ELDV))) {
-		dev_err(&hdac->hdac.dev, "Monitor presence invalid with val: %x\n", val);
-		return -ENODEV;
+	/*
+	 * To make PA and other userland happy.
+	 * userland scans devices so returning error does not help.
+	 */
+	if (!pin)
+		return 0;
+
+	if ((!pin->eld.monitor_present) ||
+			(!pin->eld.eld_valid)) {
+
+		dev_warn(&hdac->hdac.dev,
+			"Failed: montior present? %d ELD valid?: %d for pin: %d\n",
+			pin->eld.monitor_present, pin->eld.eld_valid, pin->nid);
+
+		return 0;
 	}
 
-	hdac_hdmi_set_power_state(hdac, dai_map, AC_PWRST_D0);
+	dai_map->pin = pin;
 
-	snd_hdac_codec_write(&hdac->hdac, dai_map->pin->nid, 0,
-			AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
+	hdac_hdmi_enable_cvt(hdac, dai_map);
+	ret = hdac_hdmi_enable_pin(hdac, dai_map);
+	if (ret < 0)
+		return ret;
 
-	snd_pcm_hw_constraint_step(substream->runtime, 0,
-				   SNDRV_PCM_HW_PARAM_CHANNELS, 2);
+	ret = hdac_hdmi_eld_limit_formats(substream->runtime,
+				pin->eld.eld_buffer);
+	if (ret < 0)
+		return ret;
+
+	return snd_pcm_hw_constraint_eld(substream->runtime,
+				pin->eld.eld_buffer);
+}
+
+static int hdac_hdmi_trigger(struct snd_pcm_substream *substream, int cmd,
+		struct snd_soc_dai *dai)
+{
+	struct hdac_hdmi_dai_pin_map *dai_map;
+	struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai);
+	struct hdac_hdmi_priv *hdmi = hdac->private_data;
+	int ret;
+
+	dai_map = &hdmi->dai_map[dai->id];
+	if (cmd == SNDRV_PCM_TRIGGER_RESUME) {
+		ret = hdac_hdmi_enable_pin(hdac, dai_map);
+		if (ret < 0)
+			return ret;
+
+		return hdac_hdmi_playback_prepare(substream, dai);
+	}
 
 	return 0;
 }
@@ -284,10 +630,19 @@ static void hdac_hdmi_pcm_close(struct snd_pcm_substream *substream,
 
 	dai_map = &hdmi->dai_map[dai->id];
 
-	hdac_hdmi_set_power_state(hdac, dai_map, AC_PWRST_D3);
+	if (dai_map->pin) {
+		snd_hdac_codec_write(&hdac->hdac, dai_map->cvt->nid, 0,
+				AC_VERB_SET_CHANNEL_STREAMID, 0);
+		snd_hdac_codec_write(&hdac->hdac, dai_map->cvt->nid, 0,
+				AC_VERB_SET_STREAM_FORMAT, 0);
+
+		hdac_hdmi_set_power_state(hdac, dai_map, AC_PWRST_D3);
 
-	snd_hdac_codec_write(&hdac->hdac, dai_map->pin->nid, 0,
+		snd_hdac_codec_write(&hdac->hdac, dai_map->pin->nid, 0,
 			AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE);
+
+		dai_map->pin = NULL;
+	}
 }
 
 static int
@@ -310,85 +665,326 @@ hdac_hdmi_query_cvt_params(struct hdac_device *hdac, struct hdac_hdmi_cvt *cvt)
 	return err;
 }
 
-static void hdac_hdmi_fill_widget_info(struct snd_soc_dapm_widget *w,
-				enum snd_soc_dapm_type id,
-				const char *wname, const char *stream)
+static int hdac_hdmi_fill_widget_info(struct device *dev,
+				struct snd_soc_dapm_widget *w,
+				enum snd_soc_dapm_type id, void *priv,
+				const char *wname, const char *stream,
+				struct snd_kcontrol_new *wc, int numkc)
 {
 	w->id = id;
-	w->name = wname;
+	w->name = devm_kstrdup(dev, wname, GFP_KERNEL);
+	if (!w->name)
+		return -ENOMEM;
+
 	w->sname = stream;
 	w->reg = SND_SOC_NOPM;
 	w->shift = 0;
-	w->kcontrol_news = NULL;
-	w->num_kcontrols = 0;
-	w->priv = NULL;
+	w->kcontrol_news = wc;
+	w->num_kcontrols = numkc;
+	w->priv = priv;
+
+	return 0;
 }
 
 static void hdac_hdmi_fill_route(struct snd_soc_dapm_route *route,
-		const char *sink, const char *control, const char *src)
+		const char *sink, const char *control, const char *src,
+		int (*handler)(struct snd_soc_dapm_widget *src,
+			struct snd_soc_dapm_widget *sink))
 {
 	route->sink = sink;
 	route->source = src;
 	route->control = control;
-	route->connected = NULL;
+	route->connected = handler;
 }
 
-static void create_fill_widget_route_map(struct snd_soc_dapm_context *dapm,
-					struct hdac_hdmi_dai_pin_map *dai_map)
+static struct hdac_hdmi_pcm *hdac_hdmi_get_pcm(struct hdac_ext_device *edev,
+					struct hdac_hdmi_pin *pin)
 {
-	struct snd_soc_dapm_route route[1];
-	struct snd_soc_dapm_widget widgets[2] = { {0} };
+	struct hdac_hdmi_priv *hdmi = edev->private_data;
+	struct hdac_hdmi_pcm *pcm = NULL;
 
-	memset(&route, 0, sizeof(route));
+	list_for_each_entry(pcm, &hdmi->pcm_list, head) {
+		if (pcm->pin == pin)
+			return pcm;
+	}
 
-	hdac_hdmi_fill_widget_info(&widgets[0], snd_soc_dapm_output,
-			"hif1 Output", NULL);
-	hdac_hdmi_fill_widget_info(&widgets[1], snd_soc_dapm_aif_in,
-			"Coverter 1", "hif1");
+	return NULL;
+}
 
-	hdac_hdmi_fill_route(&route[0], "hif1 Output", NULL, "Coverter 1");
+/*
+ * Based on user selection, map the PINs with the PCMs.
+ */
+static int hdac_hdmi_set_pin_mux(struct snd_kcontrol *kcontrol,
+		struct snd_ctl_elem_value *ucontrol)
+{
+	int ret;
+	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+	struct snd_soc_dapm_widget *w = snd_soc_dapm_kcontrol_widget(kcontrol);
+	struct snd_soc_dapm_context *dapm = w->dapm;
+	struct hdac_hdmi_pin *pin = w->priv;
+	struct hdac_ext_device *edev = to_hda_ext_device(dapm->dev);
+	struct hdac_hdmi_priv *hdmi = edev->private_data;
+	struct hdac_hdmi_pcm *pcm = NULL;
+	const char *cvt_name =  e->texts[ucontrol->value.enumerated.item[0]];
 
-	snd_soc_dapm_new_controls(dapm, widgets, ARRAY_SIZE(widgets));
-	snd_soc_dapm_add_routes(dapm, route, ARRAY_SIZE(route));
+	ret = snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
+	if (ret < 0)
+		return ret;
+
+	mutex_lock(&hdmi->pin_mutex);
+	list_for_each_entry(pcm, &hdmi->pcm_list, head) {
+		if (pcm->pin == pin)
+			pcm->pin = NULL;
+
+		/*
+		 * Jack status is not reported during device probe as the
+		 * PCMs are not registered by then. So report it here.
+		 */
+		if (!strcmp(cvt_name, pcm->cvt->name) && !pcm->pin) {
+			pcm->pin = pin;
+			if (pin->eld.monitor_present && pin->eld.eld_valid) {
+				dev_dbg(&edev->hdac.dev,
+					"jack report for pcm=%d\n",
+					pcm->pcm_id);
+
+				snd_jack_report(pcm->jack, SND_JACK_AVOUT);
+			}
+			mutex_unlock(&hdmi->pin_mutex);
+			return ret;
+		}
+	}
+	mutex_unlock(&hdmi->pin_mutex);
+
+	return ret;
 }
 
-static int hdac_hdmi_init_dai_map(struct hdac_ext_device *edev)
+/*
+ * Ideally the Mux inputs should be based on the num_muxs enumerated, but
+ * the display driver seem to be programming the connection list for the pin
+ * widget runtime.
+ *
+ * So programming all the possible inputs for the mux, the user has to take
+ * care of selecting the right one and leaving all other inputs selected to
+ * "NONE"
+ */
+static int hdac_hdmi_create_pin_muxs(struct hdac_ext_device *edev,
+				struct hdac_hdmi_pin *pin,
+				struct snd_soc_dapm_widget *widget,
+				const char *widget_name)
 {
 	struct hdac_hdmi_priv *hdmi = edev->private_data;
-	struct hdac_hdmi_dai_pin_map *dai_map = &hdmi->dai_map[0];
+	struct snd_kcontrol_new *kc;
+	struct hdac_hdmi_cvt *cvt;
+	struct soc_enum *se;
+	char kc_name[NAME_SIZE];
+	char mux_items[NAME_SIZE];
+	/* To hold inputs to the Pin mux */
+	char *items[HDA_MAX_CONNECTIONS];
+	int i = 0;
+	int num_items = hdmi->num_cvt + 1;
+
+	kc = devm_kzalloc(&edev->hdac.dev, sizeof(*kc), GFP_KERNEL);
+	if (!kc)
+		return -ENOMEM;
+
+	se = devm_kzalloc(&edev->hdac.dev, sizeof(*se), GFP_KERNEL);
+	if (!se)
+		return -ENOMEM;
+
+	sprintf(kc_name, "Pin %d Input", pin->nid);
+	kc->name = devm_kstrdup(&edev->hdac.dev, kc_name, GFP_KERNEL);
+	if (!kc->name)
+		return -ENOMEM;
+
+	kc->private_value = (long)se;
+	kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+	kc->access = 0;
+	kc->info = snd_soc_info_enum_double;
+	kc->put = hdac_hdmi_set_pin_mux;
+	kc->get = snd_soc_dapm_get_enum_double;
+
+	se->reg = SND_SOC_NOPM;
+
+	/* enum texts: ["NONE", "cvt #", "cvt #", ...] */
+	se->items = num_items;
+	se->mask = roundup_pow_of_two(se->items) - 1;
+
+	sprintf(mux_items, "NONE");
+	items[i] = devm_kstrdup(&edev->hdac.dev, mux_items, GFP_KERNEL);
+	if (!items[i])
+		return -ENOMEM;
+
+	list_for_each_entry(cvt, &hdmi->cvt_list, head) {
+		i++;
+		sprintf(mux_items, "cvt %d", cvt->nid);
+		items[i] = devm_kstrdup(&edev->hdac.dev, mux_items, GFP_KERNEL);
+		if (!items[i])
+			return -ENOMEM;
+	}
+
+	se->texts = devm_kmemdup(&edev->hdac.dev, items,
+			(num_items  * sizeof(char *)), GFP_KERNEL);
+	if (!se->texts)
+		return -ENOMEM;
+
+	return hdac_hdmi_fill_widget_info(&edev->hdac.dev, widget,
+			snd_soc_dapm_mux, pin, widget_name, NULL, kc, 1);
+}
+
+/* Add cvt <- input <- mux route map */
+static void hdac_hdmi_add_pinmux_cvt_route(struct hdac_ext_device *edev,
+			struct snd_soc_dapm_widget *widgets,
+			struct snd_soc_dapm_route *route, int rindex)
+{
+	struct hdac_hdmi_priv *hdmi = edev->private_data;
+	const struct snd_kcontrol_new *kc;
+	struct soc_enum *se;
+	int mux_index = hdmi->num_cvt + hdmi->num_pin;
+	int i, j;
+
+	for (i = 0; i < hdmi->num_pin; i++) {
+		kc = widgets[mux_index].kcontrol_news;
+		se = (struct soc_enum *)kc->private_value;
+		for (j = 0; j < hdmi->num_cvt; j++) {
+			hdac_hdmi_fill_route(&route[rindex],
+					widgets[mux_index].name,
+					se->texts[j + 1],
+					widgets[j].name, NULL);
+
+			rindex++;
+		}
+
+		mux_index++;
+	}
+}
+
+/*
+ * Widgets are added in the below sequence
+ *	Converter widgets for num converters enumerated
+ *	Pin widgets for num pins enumerated
+ *	Pin mux widgets to represent connenction list of pin widget
+ *
+ * Total widgets elements = num_cvt + num_pin + num_pin;
+ *
+ * Routes are added as below:
+ *	pin mux -> pin (based on num_pins)
+ *	cvt -> "Input sel control" -> pin_mux
+ *
+ * Total route elements:
+ *	num_pins + (pin_muxes * num_cvt)
+ */
+static int create_fill_widget_route_map(struct snd_soc_dapm_context *dapm)
+{
+	struct snd_soc_dapm_widget *widgets;
+	struct snd_soc_dapm_route *route;
+	struct hdac_ext_device *edev = to_hda_ext_device(dapm->dev);
+	struct hdac_hdmi_priv *hdmi = edev->private_data;
+	struct snd_soc_dai_driver *dai_drv = dapm->component->dai_drv;
+	char widget_name[NAME_SIZE];
 	struct hdac_hdmi_cvt *cvt;
 	struct hdac_hdmi_pin *pin;
+	int ret, i = 0, num_routes = 0;
 
 	if (list_empty(&hdmi->cvt_list) || list_empty(&hdmi->pin_list))
 		return -EINVAL;
 
-	/*
-	 * Currently on board only 1 pin and 1 converter is enabled for
-	 * simplification, more will be added eventually
-	 * So using fixed map for dai_id:pin:cvt
-	 */
-	cvt = list_first_entry(&hdmi->cvt_list, struct hdac_hdmi_cvt, head);
-	pin = list_first_entry(&hdmi->pin_list, struct hdac_hdmi_pin, head);
+	widgets = devm_kzalloc(dapm->dev,
+		(sizeof(*widgets) * ((2 * hdmi->num_pin) + hdmi->num_cvt)),
+		GFP_KERNEL);
 
-	dai_map->dai_id = 0;
-	dai_map->pin = pin;
+	if (!widgets)
+		return -ENOMEM;
 
-	dai_map->cvt = cvt;
+	/* DAPM widgets to represent each converter widget */
+	list_for_each_entry(cvt, &hdmi->cvt_list, head) {
+		sprintf(widget_name, "Converter %d", cvt->nid);
+		ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i],
+			snd_soc_dapm_aif_in, &cvt->nid,
+			widget_name, dai_drv[i].playback.stream_name, NULL, 0);
+		if (ret < 0)
+			return ret;
+		i++;
+	}
 
-	/* Enable out path for this pin widget */
-	snd_hdac_codec_write(&edev->hdac, pin->nid, 0,
-			AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
+	list_for_each_entry(pin, &hdmi->pin_list, head) {
+		sprintf(widget_name, "hif%d Output", pin->nid);
+		ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i],
+				snd_soc_dapm_output, &pin->nid,
+				widget_name, NULL, NULL, 0);
+		if (ret < 0)
+			return ret;
+		i++;
+	}
 
-	/* Enable transmission */
-	snd_hdac_codec_write(&edev->hdac, cvt->nid, 0,
-			AC_VERB_SET_DIGI_CONVERT_1, 1);
+	/* DAPM widgets to represent the connection list to pin widget */
+	list_for_each_entry(pin, &hdmi->pin_list, head) {
+		sprintf(widget_name, "Pin %d Mux", pin->nid);
+		ret = hdac_hdmi_create_pin_muxs(edev, pin, &widgets[i],
+							widget_name);
+		if (ret < 0)
+			return ret;
+		i++;
 
-	/* Category Code (CC) to zero */
-	snd_hdac_codec_write(&edev->hdac, cvt->nid, 0,
-			AC_VERB_SET_DIGI_CONVERT_2, 0);
+		/* For cvt to pin_mux mapping */
+		num_routes += hdmi->num_cvt;
+
+		/* For pin_mux to pin mapping */
+		num_routes++;
+	}
 
-	snd_hdac_codec_write(&edev->hdac, pin->nid, 0,
-			AC_VERB_SET_CONNECT_SEL, 0);
+	route = devm_kzalloc(dapm->dev, (sizeof(*route) * num_routes),
+							GFP_KERNEL);
+	if (!route)
+		return -ENOMEM;
+
+	i = 0;
+	/* Add pin <- NULL <- mux route map */
+	list_for_each_entry(pin, &hdmi->pin_list, head) {
+		int sink_index = i + hdmi->num_cvt;
+		int src_index = sink_index + hdmi->num_pin;
+
+		hdac_hdmi_fill_route(&route[i],
+				widgets[sink_index].name, NULL,
+				widgets[src_index].name, NULL);
+		i++;
+
+	}
+
+	hdac_hdmi_add_pinmux_cvt_route(edev, widgets, route, i);
+
+	snd_soc_dapm_new_controls(dapm, widgets,
+		((2 * hdmi->num_pin) + hdmi->num_cvt));
+
+	snd_soc_dapm_add_routes(dapm, route, num_routes);
+	snd_soc_dapm_new_widgets(dapm->card);
+
+	return 0;
+
+}
+
+static int hdac_hdmi_init_dai_map(struct hdac_ext_device *edev)
+{
+	struct hdac_hdmi_priv *hdmi = edev->private_data;
+	struct hdac_hdmi_dai_pin_map *dai_map;
+	struct hdac_hdmi_cvt *cvt;
+	int dai_id = 0;
+
+	if (list_empty(&hdmi->cvt_list))
+		return -EINVAL;
+
+	list_for_each_entry(cvt, &hdmi->cvt_list, head) {
+		dai_map = &hdmi->dai_map[dai_id];
+		dai_map->dai_id = dai_id;
+		dai_map->cvt = cvt;
+
+		dai_id++;
+
+		if (dai_id == HDA_MAX_CVTS) {
+			dev_warn(&edev->hdac.dev,
+				"Max dais supported: %d\n", dai_id);
+			break;
+		}
+	}
 
 	return 0;
 }
@@ -397,12 +993,15 @@ static int hdac_hdmi_add_cvt(struct hdac_ext_device *edev, hda_nid_t nid)
 {
 	struct hdac_hdmi_priv *hdmi = edev->private_data;
 	struct hdac_hdmi_cvt *cvt;
+	char name[NAME_SIZE];
 
 	cvt = kzalloc(sizeof(*cvt), GFP_KERNEL);
 	if (!cvt)
 		return -ENOMEM;
 
 	cvt->nid = nid;
+	sprintf(name, "cvt %d", cvt->nid);
+	cvt->name = kstrdup(name, GFP_KERNEL);
 
 	list_add_tail(&cvt->head, &hdmi->cvt_list);
 	hdmi->num_cvt++;
@@ -410,6 +1009,106 @@ static int hdac_hdmi_add_cvt(struct hdac_ext_device *edev, hda_nid_t nid)
 	return hdac_hdmi_query_cvt_params(&edev->hdac, cvt);
 }
 
+static void hdac_hdmi_present_sense(struct hdac_hdmi_pin *pin, int repoll)
+{
+	struct hdac_ext_device *edev = pin->edev;
+	struct hdac_hdmi_priv *hdmi = edev->private_data;
+	struct hdac_hdmi_pcm *pcm;
+	int val;
+
+	pin->repoll_count = repoll;
+
+	pm_runtime_get_sync(&edev->hdac.dev);
+	val = snd_hdac_codec_read(&edev->hdac, pin->nid, 0,
+					AC_VERB_GET_PIN_SENSE, 0);
+
+	dev_dbg(&edev->hdac.dev, "Pin sense val %x for pin: %d\n",
+						val, pin->nid);
+
+
+	mutex_lock(&hdmi->pin_mutex);
+	pin->eld.monitor_present = !!(val & AC_PINSENSE_PRESENCE);
+	pin->eld.eld_valid = !!(val & AC_PINSENSE_ELDV);
+
+	pcm = hdac_hdmi_get_pcm(edev, pin);
+
+	if (!pin->eld.monitor_present || !pin->eld.eld_valid) {
+
+		dev_dbg(&edev->hdac.dev, "%s: disconnect for pin %d\n",
+						__func__, pin->nid);
+
+		/*
+		 * PCMs are not registered during device probe, so don't
+		 * report jack here. It will be done in usermode mux
+		 * control select.
+		 */
+		if (pcm) {
+			dev_dbg(&edev->hdac.dev,
+				"jack report for pcm=%d\n", pcm->pcm_id);
+
+			snd_jack_report(pcm->jack, 0);
+		}
+
+		mutex_unlock(&hdmi->pin_mutex);
+		goto put_hdac_device;
+	}
+
+	if (pin->eld.monitor_present && pin->eld.eld_valid) {
+		/* TODO: use i915 component for reading ELD later */
+		if (hdac_hdmi_get_eld(&edev->hdac, pin->nid,
+				pin->eld.eld_buffer,
+				&pin->eld.eld_size) == 0) {
+
+			if (pcm) {
+				dev_dbg(&edev->hdac.dev,
+					"jack report for pcm=%d\n",
+					pcm->pcm_id);
+
+				snd_jack_report(pcm->jack, SND_JACK_AVOUT);
+			}
+
+			print_hex_dump_bytes("ELD: ", DUMP_PREFIX_OFFSET,
+					pin->eld.eld_buffer, pin->eld.eld_size);
+		} else {
+			pin->eld.monitor_present = false;
+			pin->eld.eld_valid = false;
+
+			if (pcm) {
+				dev_dbg(&edev->hdac.dev,
+					"jack report for pcm=%d\n",
+					pcm->pcm_id);
+
+				snd_jack_report(pcm->jack, 0);
+			}
+		}
+	}
+
+	mutex_unlock(&hdmi->pin_mutex);
+
+	/*
+	 * Sometimes the pin_sense may present invalid monitor
+	 * present and eld_valid. If ELD data is not valid, loop few
+	 * more times to get correct pin sense and valid ELD.
+	 */
+	if ((!pin->eld.monitor_present || !pin->eld.eld_valid) && repoll)
+		schedule_delayed_work(&pin->work, msecs_to_jiffies(300));
+
+put_hdac_device:
+	pm_runtime_put_sync(&edev->hdac.dev);
+}
+
+static void hdac_hdmi_repoll_eld(struct work_struct *work)
+{
+	struct hdac_hdmi_pin *pin =
+		container_of(to_delayed_work(work), struct hdac_hdmi_pin, work);
+
+	/* picked from legacy HDA driver */
+	if (pin->repoll_count++ > 6)
+		pin->repoll_count = 0;
+
+	hdac_hdmi_present_sense(pin, pin->repoll_count);
+}
+
 static int hdac_hdmi_add_pin(struct hdac_ext_device *edev, hda_nid_t nid)
 {
 	struct hdac_hdmi_priv *hdmi = edev->private_data;
@@ -424,6 +1123,120 @@ static int hdac_hdmi_add_pin(struct hdac_ext_device *edev, hda_nid_t nid)
 	list_add_tail(&pin->head, &hdmi->pin_list);
 	hdmi->num_pin++;
 
+	pin->edev = edev;
+	INIT_DELAYED_WORK(&pin->work, hdac_hdmi_repoll_eld);
+
+	return 0;
+}
+
+#define INTEL_VENDOR_NID 0x08
+#define INTEL_GET_VENDOR_VERB 0xf81
+#define INTEL_SET_VENDOR_VERB 0x781
+#define INTEL_EN_DP12			0x02 /* enable DP 1.2 features */
+#define INTEL_EN_ALL_PIN_CVTS	0x01 /* enable 2nd & 3rd pins and convertors */
+
+static void hdac_hdmi_skl_enable_all_pins(struct hdac_device *hdac)
+{
+	unsigned int vendor_param;
+
+	vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0,
+				INTEL_GET_VENDOR_VERB, 0);
+	if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
+		return;
+
+	vendor_param |= INTEL_EN_ALL_PIN_CVTS;
+	vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0,
+				INTEL_SET_VENDOR_VERB, vendor_param);
+	if (vendor_param == -1)
+		return;
+}
+
+static void hdac_hdmi_skl_enable_dp12(struct hdac_device *hdac)
+{
+	unsigned int vendor_param;
+
+	vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0,
+				INTEL_GET_VENDOR_VERB, 0);
+	if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
+		return;
+
+	/* enable DP1.2 mode */
+	vendor_param |= INTEL_EN_DP12;
+	vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0,
+				INTEL_SET_VENDOR_VERB, vendor_param);
+	if (vendor_param == -1)
+		return;
+
+}
+
+static struct snd_soc_dai_ops hdmi_dai_ops = {
+	.startup = hdac_hdmi_pcm_open,
+	.shutdown = hdac_hdmi_pcm_close,
+	.hw_params = hdac_hdmi_set_hw_params,
+	.prepare = hdac_hdmi_playback_prepare,
+	.trigger = hdac_hdmi_trigger,
+	.hw_free = hdac_hdmi_playback_cleanup,
+};
+
+/*
+ * Each converter can support a stream independently. So a dai is created
+ * based on the number of converter queried.
+ */
+static int hdac_hdmi_create_dais(struct hdac_device *hdac,
+		struct snd_soc_dai_driver **dais,
+		struct hdac_hdmi_priv *hdmi, int num_dais)
+{
+	struct snd_soc_dai_driver *hdmi_dais;
+	struct hdac_hdmi_cvt *cvt;
+	char name[NAME_SIZE], dai_name[NAME_SIZE];
+	int i = 0;
+	u32 rates, bps;
+	unsigned int rate_max = 384000, rate_min = 8000;
+	u64 formats;
+	int ret;
+
+	hdmi_dais = devm_kzalloc(&hdac->dev,
+			(sizeof(*hdmi_dais) * num_dais),
+			GFP_KERNEL);
+	if (!hdmi_dais)
+		return -ENOMEM;
+
+	list_for_each_entry(cvt, &hdmi->cvt_list, head) {
+		ret = snd_hdac_query_supported_pcm(hdac, cvt->nid,
+					&rates,	&formats, &bps);
+		if (ret)
+			return ret;
+
+		sprintf(dai_name, "intel-hdmi-hifi%d", i+1);
+		hdmi_dais[i].name = devm_kstrdup(&hdac->dev,
+					dai_name, GFP_KERNEL);
+
+		if (!hdmi_dais[i].name)
+			return -ENOMEM;
+
+		snprintf(name, sizeof(name), "hifi%d", i+1);
+		hdmi_dais[i].playback.stream_name =
+				devm_kstrdup(&hdac->dev, name, GFP_KERNEL);
+		if (!hdmi_dais[i].playback.stream_name)
+			return -ENOMEM;
+
+		/*
+		 * Set caps based on capability queried from the converter.
+		 * It will be constrained runtime based on ELD queried.
+		 */
+		hdmi_dais[i].playback.formats = formats;
+		hdmi_dais[i].playback.rates = rates;
+		hdmi_dais[i].playback.rate_max = rate_max;
+		hdmi_dais[i].playback.rate_min = rate_min;
+		hdmi_dais[i].playback.channels_min = 2;
+		hdmi_dais[i].playback.channels_max = 2;
+		hdmi_dais[i].ops = &hdmi_dai_ops;
+
+		i++;
+	}
+
+	*dais = hdmi_dais;
+
 	return 0;
 }
 
@@ -431,7 +1244,8 @@ static int hdac_hdmi_add_pin(struct hdac_ext_device *edev, hda_nid_t nid)
  * Parse all nodes and store the cvt/pin nids in array
  * Add one time initialization for pin and cvt widgets
  */
-static int hdac_hdmi_parse_and_map_nid(struct hdac_ext_device *edev)
+static int hdac_hdmi_parse_and_map_nid(struct hdac_ext_device *edev,
+		struct snd_soc_dai_driver **dais, int *num_dais)
 {
 	hda_nid_t nid;
 	int i, num_nodes;
@@ -439,6 +1253,9 @@ static int hdac_hdmi_parse_and_map_nid(struct hdac_ext_device *edev)
 	struct hdac_hdmi_priv *hdmi = edev->private_data;
 	int ret;
 
+	hdac_hdmi_skl_enable_all_pins(hdac);
+	hdac_hdmi_skl_enable_dp12(hdac);
+
 	num_nodes = snd_hdac_get_sub_nodes(hdac, hdac->afg, &nid);
 	if (!nid || num_nodes <= 0) {
 		dev_warn(&hdac->dev, "HDMI: failed to get afg sub nodes\n");
@@ -479,19 +1296,107 @@ static int hdac_hdmi_parse_and_map_nid(struct hdac_ext_device *edev)
 	if (!hdmi->num_pin || !hdmi->num_cvt)
 		return -EIO;
 
+	ret = hdac_hdmi_create_dais(hdac, dais, hdmi, hdmi->num_cvt);
+	if (ret) {
+		dev_err(&hdac->dev, "Failed to create dais with err: %d\n",
+							ret);
+		return ret;
+	}
+
+	*num_dais = hdmi->num_cvt;
+
 	return hdac_hdmi_init_dai_map(edev);
 }
 
+static void hdac_hdmi_eld_notify_cb(void *aptr, int port)
+{
+	struct hdac_ext_device *edev = aptr;
+	struct hdac_hdmi_priv *hdmi = edev->private_data;
+	struct hdac_hdmi_pin *pin;
+	struct snd_soc_codec *codec = edev->scodec;
+
+	/* Don't know how this mapping is derived */
+	hda_nid_t pin_nid = port + 0x04;
+
+	dev_dbg(&edev->hdac.dev, "%s: for pin: %d\n", __func__, pin_nid);
+
+	/*
+	 * skip notification during system suspend (but not in runtime PM);
+	 * the state will be updated at resume. Also since the ELD and
+	 * connection states are updated in anyway at the end of the resume,
+	 * we can skip it when received during PM process.
+	 */
+	if (snd_power_get_state(codec->component.card->snd_card) !=
+			SNDRV_CTL_POWER_D0)
+		return;
+
+	if (atomic_read(&edev->hdac.in_pm))
+		return;
+
+	list_for_each_entry(pin, &hdmi->pin_list, head) {
+		if (pin->nid == pin_nid)
+			hdac_hdmi_present_sense(pin, 1);
+	}
+}
+
+static struct i915_audio_component_audio_ops aops = {
+	.pin_eld_notify	= hdac_hdmi_eld_notify_cb,
+};
+
+int hdac_hdmi_jack_init(struct snd_soc_dai *dai, int device)
+{
+	char jack_name[NAME_SIZE];
+	struct snd_soc_codec *codec = dai->codec;
+	struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec);
+	struct snd_soc_dapm_context *dapm =
+		snd_soc_component_get_dapm(&codec->component);
+	struct hdac_hdmi_priv *hdmi = edev->private_data;
+	struct hdac_hdmi_pcm *pcm;
+
+	/*
+	 * this is a new PCM device, create new pcm and
+	 * add to the pcm list
+	 */
+	pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
+	if (!pcm)
+		return -ENOMEM;
+	pcm->pcm_id = device;
+	pcm->cvt = hdmi->dai_map[dai->id].cvt;
+
+	list_add_tail(&pcm->head, &hdmi->pcm_list);
+
+	sprintf(jack_name, "HDMI/DP, pcm=%d Jack", device);
+
+	return snd_jack_new(dapm->card->snd_card, jack_name,
+		SND_JACK_AVOUT,	&pcm->jack, true, false);
+}
+EXPORT_SYMBOL_GPL(hdac_hdmi_jack_init);
+
 static int hdmi_codec_probe(struct snd_soc_codec *codec)
 {
 	struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec);
 	struct hdac_hdmi_priv *hdmi = edev->private_data;
 	struct snd_soc_dapm_context *dapm =
 		snd_soc_component_get_dapm(&codec->component);
+	struct hdac_hdmi_pin *pin;
+	int ret;
 
 	edev->scodec = codec;
 
-	create_fill_widget_route_map(dapm, &hdmi->dai_map[0]);
+	ret = create_fill_widget_route_map(dapm);
+	if (ret < 0)
+		return ret;
+
+	aops.audio_ptr = edev;
+	ret = snd_hdac_i915_register_notifier(&aops);
+	if (ret < 0) {
+		dev_err(&edev->hdac.dev, "notifier register failed: err: %d\n",
+				ret);
+		return ret;
+	}
+
+	list_for_each_entry(pin, &hdmi->pin_list, head)
+		hdac_hdmi_present_sense(pin, 1);
 
 	/* Imp: Store the card pointer in hda_codec */
 	edev->card = dapm->card->snd_card;
@@ -515,44 +1420,73 @@ static int hdmi_codec_remove(struct snd_soc_codec *codec)
 	return 0;
 }
 
+#ifdef CONFIG_PM
+static int hdmi_codec_resume(struct snd_soc_codec *codec)
+{
+	struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec);
+	struct hdac_hdmi_priv *hdmi = edev->private_data;
+	struct hdac_hdmi_pin *pin;
+	struct hdac_device *hdac = &edev->hdac;
+	struct hdac_bus *bus = hdac->bus;
+	int err;
+	unsigned long timeout;
+
+	hdac_hdmi_skl_enable_all_pins(&edev->hdac);
+	hdac_hdmi_skl_enable_dp12(&edev->hdac);
+
+	/* Power up afg */
+	if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0)) {
+
+		snd_hdac_codec_write(hdac, hdac->afg, 0,
+			AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
+
+		/* Wait till power state is set to D0 */
+		timeout = jiffies + msecs_to_jiffies(1000);
+		while (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0)
+				&& time_before(jiffies, timeout)) {
+			msleep(50);
+		}
+	}
+
+	/*
+	 * As the ELD notify callback request is not entertained while the
+	 * device is in suspend state. Need to manually check detection of
+	 * all pins here.
+	 */
+	list_for_each_entry(pin, &hdmi->pin_list, head)
+		hdac_hdmi_present_sense(pin, 1);
+
+	/*
+	 * Codec power is turned ON during controller resume.
+	 * Turn it OFF here
+	 */
+	err = snd_hdac_display_power(bus, false);
+	if (err < 0) {
+		dev_err(bus->dev,
+			"Cannot turn OFF display power on i915, err: %d\n",
+			err);
+		return err;
+	}
+
+	return 0;
+}
+#else
+#define hdmi_codec_resume NULL
+#endif
+
 static struct snd_soc_codec_driver hdmi_hda_codec = {
 	.probe		= hdmi_codec_probe,
 	.remove		= hdmi_codec_remove,
+	.resume		= hdmi_codec_resume,
 	.idle_bias_off	= true,
 };
 
-static struct snd_soc_dai_ops hdmi_dai_ops = {
-	.startup = hdac_hdmi_pcm_open,
-	.shutdown = hdac_hdmi_pcm_close,
-	.hw_params = hdac_hdmi_set_hw_params,
-	.prepare = hdac_hdmi_playback_prepare,
-	.hw_free = hdac_hdmi_playback_cleanup,
-};
-
-static struct snd_soc_dai_driver hdmi_dais[] = {
-	{	.name = "intel-hdmi-hif1",
-		.playback = {
-			.stream_name = "hif1",
-			.channels_min = 2,
-			.channels_max = 2,
-			.rates = SNDRV_PCM_RATE_32000 |
-				SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
-				SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
-				SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
-			.formats = SNDRV_PCM_FMTBIT_S16_LE |
-				SNDRV_PCM_FMTBIT_S20_3LE |
-				SNDRV_PCM_FMTBIT_S24_LE |
-				SNDRV_PCM_FMTBIT_S32_LE,
-
-		},
-		.ops = &hdmi_dai_ops,
-	},
-};
-
 static int hdac_hdmi_dev_probe(struct hdac_ext_device *edev)
 {
 	struct hdac_device *codec = &edev->hdac;
 	struct hdac_hdmi_priv *hdmi_priv;
+	struct snd_soc_dai_driver *hdmi_dais = NULL;
+	int num_dais = 0;
 	int ret = 0;
 
 	hdmi_priv = devm_kzalloc(&codec->dev, sizeof(*hdmi_priv), GFP_KERNEL);
@@ -565,14 +1499,31 @@ static int hdac_hdmi_dev_probe(struct hdac_ext_device *edev)
 
 	INIT_LIST_HEAD(&hdmi_priv->pin_list);
 	INIT_LIST_HEAD(&hdmi_priv->cvt_list);
+	INIT_LIST_HEAD(&hdmi_priv->pcm_list);
+	mutex_init(&hdmi_priv->pin_mutex);
 
-	ret = hdac_hdmi_parse_and_map_nid(edev);
-	if (ret < 0)
+	/*
+	 * Turned off in the runtime_suspend during the first explicit
+	 * pm_runtime_suspend call.
+	 */
+	ret = snd_hdac_display_power(edev->hdac.bus, true);
+	if (ret < 0) {
+		dev_err(&edev->hdac.dev,
+			"Cannot turn on display power on i915 err: %d\n",
+			ret);
 		return ret;
+	}
+
+	ret = hdac_hdmi_parse_and_map_nid(edev, &hdmi_dais, &num_dais);
+	if (ret < 0) {
+		dev_err(&codec->dev,
+			"Failed in parse and map nid with err: %d\n", ret);
+		return ret;
+	}
 
 	/* ASoC specific initialization */
 	return snd_soc_register_codec(&codec->dev, &hdmi_hda_codec,
-			hdmi_dais, ARRAY_SIZE(hdmi_dais));
+			hdmi_dais, num_dais);
 }
 
 static int hdac_hdmi_dev_remove(struct hdac_ext_device *edev)
@@ -580,11 +1531,20 @@ static int hdac_hdmi_dev_remove(struct hdac_ext_device *edev)
 	struct hdac_hdmi_priv *hdmi = edev->private_data;
 	struct hdac_hdmi_pin *pin, *pin_next;
 	struct hdac_hdmi_cvt *cvt, *cvt_next;
+	struct hdac_hdmi_pcm *pcm, *pcm_next;
 
 	snd_soc_unregister_codec(&edev->hdac.dev);
 
+	list_for_each_entry_safe(pcm, pcm_next, &hdmi->pcm_list, head) {
+		pcm->cvt = NULL;
+		pcm->pin = NULL;
+		list_del(&pcm->head);
+		kfree(pcm);
+	}
+
 	list_for_each_entry_safe(cvt, cvt_next, &hdmi->cvt_list, head) {
 		list_del(&cvt->head);
+		kfree(cvt->name);
 		kfree(cvt);
 	}
 
@@ -602,6 +1562,7 @@ static int hdac_hdmi_runtime_suspend(struct device *dev)
 	struct hdac_ext_device *edev = to_hda_ext_device(dev);
 	struct hdac_device *hdac = &edev->hdac;
 	struct hdac_bus *bus = hdac->bus;
+	unsigned long timeout;
 	int err;
 
 	dev_dbg(dev, "Enter: %s\n", __func__);
@@ -611,10 +1572,19 @@ static int hdac_hdmi_runtime_suspend(struct device *dev)
 		return 0;
 
 	/* Power down afg */
-	if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D3))
+	if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D3)) {
 		snd_hdac_codec_write(hdac, hdac->afg, 0,
 			AC_VERB_SET_POWER_STATE, AC_PWRST_D3);
 
+		/* Wait till power state is set to D3 */
+		timeout = jiffies + msecs_to_jiffies(1000);
+		while (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D3)
+				&& time_before(jiffies, timeout)) {
+
+			msleep(50);
+		}
+	}
+
 	err = snd_hdac_display_power(bus, false);
 	if (err < 0) {
 		dev_err(bus->dev, "Cannot turn on display power on i915\n");
@@ -643,6 +1613,9 @@ static int hdac_hdmi_runtime_resume(struct device *dev)
 		return err;
 	}
 
+	hdac_hdmi_skl_enable_all_pins(&edev->hdac);
+	hdac_hdmi_skl_enable_dp12(&edev->hdac);
+
 	/* Power up afg */
 	if (!snd_hdac_check_power_state(hdac, hdac->afg, AC_PWRST_D0))
 		snd_hdac_codec_write(hdac, hdac->afg, 0,