[ALSA] SigmaTel HDA SPDIF and input mux updates

HDA Codec driver
Adds SPDIF in/out support to the SigmaTel HDA codecs. Now builds
the input mux control element names from the defcfg regs.
Signed-off-by: Matt <matt@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_sigmatel.c

@@ -42,9 +42,11 @@ struct sigmatel_spec {
 
 	/* capture */
 	hda_nid_t *adc_nids;
-	hda_nid_t *mux_nids;
 	unsigned int num_adcs;
+	hda_nid_t *mux_nids;
+	unsigned int num_muxes;
 	hda_nid_t capture_nid;
+	hda_nid_t dig_in_nid;
 
 	/* power management*/
 	hda_nid_t *pstate_nids;
@@ -62,7 +64,8 @@ struct sigmatel_spec {
 	snd_kcontrol_new_t *mixer;
 
 	/* capture source */
-	const struct hda_input_mux *input_mux;
+	struct hda_input_mux input_mux;
+	char input_labels[HDA_MAX_NUM_INPUTS][16];
 	unsigned int cur_mux[2];
 
 	/* channel mode */
@@ -105,8 +108,8 @@ static hda_nid_t stac922x_dac_nids[4] = {
         0x02, 0x03, 0x04, 0x05,
 };
 
-static hda_nid_t stac922x_pstate_nids[7] = {
-	0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+static hda_nid_t stac922x_pstate_nids[8] = {
+	0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x11,
 };
 
 static hda_nid_t stac922x_pin_nids[10] = {
@@ -118,7 +121,7 @@ static int stac92xx_mux_enum_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t
 {
 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 	struct sigmatel_spec *spec = codec->spec;
-	return snd_hda_input_mux_info(spec->input_mux, uinfo);
+	return snd_hda_input_mux_info(&spec->input_mux, uinfo);
 }
 
 static int stac92xx_mux_enum_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
@@ -137,7 +140,7 @@ static int stac92xx_mux_enum_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t
 	struct sigmatel_spec *spec = codec->spec;
 	unsigned int adc_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 
-	return snd_hda_input_mux_put(codec, spec->input_mux, ucontrol,
+	return snd_hda_input_mux_put(codec, &spec->input_mux, ucontrol,
 				     spec->mux_nids[adc_idx], &spec->cur_mux[adc_idx]);
 }
 
@@ -192,30 +195,6 @@ static snd_kcontrol_new_t stac922x_mixer[] = {
 	{ } /* end */
 };
 
-static struct hda_input_mux stac9200_input_mux = {
-	.num_items = 5,
-	.items = {
-		{ "Port B", 0x0 },
-		{ "Port C", 0x1 },
-		{ "Port D", 0x2 },
-		{ "Port A", 0x3 },
-		{ "CD", 0x4 },
-	}
-};
-
-static struct hda_input_mux stac922x_input_mux = {
-	.num_items = 7,
-	.items = {
-		{ "Port E", 0x0 },
-		{ "CD", 0x1 },
-		{ "Port F", 0x2 },
-		{ "Port B", 0x3 },
-		{ "Port C", 0x4 },
-		{ "Port D", 0x5 },
-		{ "Port A", 0x6 },
-	}
-};
-
 static int stac92xx_build_controls(struct hda_codec *codec)
 {
 	struct sigmatel_spec *spec = codec->spec;
@@ -224,19 +203,28 @@ static int stac92xx_build_controls(struct hda_codec *codec)
 	err = snd_hda_add_new_ctls(codec, spec->mixer);
 	if (err < 0)
 		return err;
-
-	return 0;
+	if (spec->multiout.dig_out_nid) {
+		err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
+		if (err < 0)
+			return err;
+	}
+	if (spec->dig_in_nid) {
+		err = snd_hda_create_spdif_in_ctls(codec, spec->dig_in_nid);
+		if (err < 0)
+			return err;
+	}
+	return 0;	
 }
 
 #ifdef STAC_TEST
 static unsigned int stac9200_pin_configs[8] = {
-	0x40000100, 0x40000100, 0x0221401f, 0x01114010,
+	0x01c47010, 0x01447010, 0x0221401f, 0x01114010,
 	0x02a19020, 0x01a19021, 0x90100140, 0x01813122,
 };
 
 static unsigned int stac922x_pin_configs[14] = {
 	0x40000100, 0x40000100, 0x40000100, 0x01114010,
-	0x01813122, 0x40000100, 0x40000100, 0x40000100,
+	0x01813122, 0x40000100, 0x01447010, 0x01c47010,
 	0x40000100, 0x40000100,
 };
 
@@ -299,29 +287,89 @@ static int stac92xx_set_vref(struct hda_codec *codec, hda_nid_t nid)
 	return 0;
 }
 
+/*
+ * retrieve the default device type from the default config value
+ */
+#define get_defcfg_type(cfg) ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
+#define get_defcfg_location(cfg) ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
+
 static int stac92xx_config_pin(struct hda_codec *codec, hda_nid_t nid, unsigned int pin_cfg)
 {
-	switch((pin_cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT) {
+	struct sigmatel_spec *spec = codec->spec;
+	u32 location = get_defcfg_location(pin_cfg);
+	char *label;
+	const char *type = NULL;
+	int ainput = 0;
+
+	switch(get_defcfg_type(pin_cfg)) {
 		case AC_JACK_HP_OUT:
 			/* Enable HP amp */
 			stac92xx_set_pinctl(codec, nid, AC_PINCTL_HP_EN);
 			/* Fall through */
+		case AC_JACK_SPDIF_OUT:
 		case AC_JACK_LINE_OUT:
 		case AC_JACK_SPEAKER:
 			/* Enable output */
 			stac92xx_set_pinctl(codec, nid, AC_PINCTL_OUT_EN);
 			break;
+		case AC_JACK_SPDIF_IN:
+			stac92xx_set_pinctl(codec, nid, AC_PINCTL_IN_EN);
+			break;
 		case AC_JACK_MIC_IN:
+			if ((location & 0x0f) == AC_JACK_LOC_FRONT)
+				type = "Front Mic";
+			else
+				type = "Mic";
+			ainput = 1;
 			/* Set vref */
 			stac92xx_set_vref(codec, nid);
+			stac92xx_set_pinctl(codec, nid, AC_PINCTL_IN_EN);
+			break;
 		case AC_JACK_CD:
+			type = "CD";
+			ainput = 1;
+			stac92xx_set_pinctl(codec, nid, AC_PINCTL_IN_EN);
+			break;
 		case AC_JACK_LINE_IN:
+			if ((location & 0x0f) == AC_JACK_LOC_FRONT)
+				type = "Front Line";
+			else
+				type = "Line";
+			ainput = 1;
+			stac92xx_set_pinctl(codec, nid, AC_PINCTL_IN_EN);
+			break;
 		case AC_JACK_AUX:
-			/* Enable input */
+			if ((location & 0x0f) == AC_JACK_LOC_FRONT)
+				type = "Front Aux";
+			else
+				type = "Aux";
+			ainput = 1;
 			stac92xx_set_pinctl(codec, nid, AC_PINCTL_IN_EN);
 			break;
 	}
 
+	if (ainput) {
+		hda_nid_t con_lst[HDA_MAX_NUM_INPUTS];
+		int i, j, num_cons, index = -1;
+		if (!type)
+			type = "Input";
+		label = spec->input_labels[spec->input_mux.num_items];
+		strcpy(label, type);
+		spec->input_mux.items[spec->input_mux.num_items].label = label;
+		for (i=0; i<spec->num_muxes; i++) {
+			num_cons = snd_hda_get_connections(codec, spec->mux_nids[i], con_lst, HDA_MAX_NUM_INPUTS);
+			for (j=0; j<num_cons; j++)
+				if (con_lst[j] == nid) {
+					index = j;
+					break;
+				}
+			if (index >= 0)
+				break;
+		}
+		spec->input_mux.items[spec->input_mux.num_items].index = index;
+		spec->input_mux.num_items++;
+	}
+
 	return 0;
 }
 
@@ -401,6 +449,26 @@ static int stac92xx_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
 	return snd_hda_multi_out_analog_cleanup(codec, &spec->multiout);
 }
 
+/*
+ * Digital playback callbacks
+ */
+static int stac92xx_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
+					  struct hda_codec *codec,
+					  snd_pcm_substream_t *substream)
+{
+	struct sigmatel_spec *spec = codec->spec;
+	return snd_hda_multi_out_dig_open(codec, &spec->multiout);
+}
+
+static int stac92xx_dig_playback_pcm_close(struct hda_pcm_stream *hinfo,
+					   struct hda_codec *codec,
+					   snd_pcm_substream_t *substream)
+{
+	struct sigmatel_spec *spec = codec->spec;
+	return snd_hda_multi_out_dig_close(codec, &spec->multiout);
+}
+
+
 /*
  * Analog capture callbacks
  */
@@ -427,6 +495,24 @@ static int stac92xx_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
 	return 0;
 }
 
+static struct hda_pcm_stream stac92xx_pcm_digital_playback = {
+	.substreams = 1,
+	.channels_min = 2,
+	.channels_max = 2,
+	/* NID is set in stac92xx_build_pcms */
+	.ops = {
+		.open = stac92xx_dig_playback_pcm_open,
+		.close = stac92xx_dig_playback_pcm_close
+	},
+};
+
+static struct hda_pcm_stream stac92xx_pcm_digital_capture = {
+	.substreams = 1,
+	.channels_min = 2,
+	.channels_max = 2,
+	/* NID is set in stac92xx_build_pcms */
+};
+
 static struct hda_pcm_stream stac92xx_pcm_analog_playback = {
 	.substreams = 1,
 	.channels_min = 2,
@@ -464,6 +550,20 @@ static int stac92xx_build_pcms(struct hda_codec *codec)
 	info->stream[SNDRV_PCM_STREAM_CAPTURE] = stac92xx_pcm_analog_capture;
 	info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->capture_nid;
 
+	if (spec->multiout.dig_out_nid || spec->dig_in_nid) {
+		codec->num_pcms++;
+		info++;
+		info->name = "STAC92xx Digital";
+		if (spec->multiout.dig_out_nid) {
+			info->stream[SNDRV_PCM_STREAM_PLAYBACK] = stac92xx_pcm_digital_playback;
+			info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->multiout.dig_out_nid;
+		}
+		if (spec->dig_in_nid) {
+			info->stream[SNDRV_PCM_STREAM_CAPTURE] = stac92xx_pcm_digital_capture;
+			info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->dig_in_nid;
+		}
+	}
+
 	return 0;
 }
 
@@ -492,9 +592,12 @@ static int patch_stac9200(struct hda_codec *codec)
 	spec->multiout.max_channels = 2;
 	spec->multiout.num_dacs = 1;
 	spec->multiout.dac_nids = stac9200_dac_nids;
+	spec->multiout.dig_out_nid = 0x05;
+	spec->dig_in_nid = 0x04;
 	spec->adc_nids = stac9200_adc_nids;
 	spec->mux_nids = stac9200_mux_nids;
-	spec->input_mux = &stac9200_input_mux;
+	spec->num_muxes = 1;
+	spec->input_mux.num_items = 0;
 	spec->pstate_nids = stac9200_pstate_nids;
 	spec->num_pstates = 3;
 	spec->pin_nids = stac9200_pin_nids;
@@ -525,11 +628,14 @@ static int patch_stac922x(struct hda_codec *codec)
 	spec->multiout.max_channels = 2;
 	spec->multiout.num_dacs = 4;
 	spec->multiout.dac_nids = stac922x_dac_nids;
+	spec->multiout.dig_out_nid = 0x08;
+	spec->dig_in_nid = 0x09;
 	spec->adc_nids = stac922x_adc_nids;
 	spec->mux_nids = stac922x_mux_nids;
-	spec->input_mux = &stac922x_input_mux;
+	spec->num_muxes = 2;
+	spec->input_mux.num_items = 0;
 	spec->pstate_nids = stac922x_pstate_nids;
-	spec->num_pstates = 7;
+	spec->num_pstates = 8;
 	spec->pin_nids = stac922x_pin_nids;
 #ifdef STAC_TEST
 	spec->pin_configs = stac922x_pin_configs;