Merge remote-tracking branch 'asoc/topic/intel' into asoc-next

1 files changed, 152 insertions, 27 deletions

diff --git a/sound/soc/intel/boards/cht_bsw_max98090_ti.c b/sound/soc/intel/boards/cht_bsw_max98090_ti.c
index 455a55af7ad2..d3e1c7e12004 100644
--- a/sound/soc/intel/boards/cht_bsw_max98090_ti.c
+++ b/sound/soc/intel/boards/cht_bsw_max98090_ti.c
@@ -23,6 +23,7 @@
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/acpi.h>
+#include <linux/clk.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
@@ -35,15 +36,48 @@
 #define CHT_CODEC_DAI	"HiFi"
 
 struct cht_mc_private {
+	struct clk *mclk;
 	struct snd_soc_jack jack;
 	bool ts3a227e_present;
 };
 
+static int platform_clock_control(struct snd_soc_dapm_widget *w,
+					  struct snd_kcontrol *k, int  event)
+{
+	struct snd_soc_dapm_context *dapm = w->dapm;
+	struct snd_soc_card *card = dapm->card;
+	struct snd_soc_dai *codec_dai;
+	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
+	int ret;
+
+	codec_dai = snd_soc_card_get_codec_dai(card, CHT_CODEC_DAI);
+	if (!codec_dai) {
+		dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
+		return -EIO;
+	}
+
+	if (SND_SOC_DAPM_EVENT_ON(event)) {
+		ret = clk_prepare_enable(ctx->mclk);
+		if (ret < 0) {
+			dev_err(card->dev,
+				"could not configure MCLK state");
+			return ret;
+		}
+	} else {
+		clk_disable_unprepare(ctx->mclk);
+	}
+
+	return 0;
+}
+
 static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
 	SND_SOC_DAPM_HP("Headphone", NULL),
 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
 	SND_SOC_DAPM_MIC("Int Mic", NULL),
 	SND_SOC_DAPM_SPK("Ext Spk", NULL),
+	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
+			    platform_clock_control, SND_SOC_DAPM_PRE_PMU |
+			    SND_SOC_DAPM_POST_PMD),
 };
 
 static const struct snd_soc_dapm_route cht_audio_map[] = {
@@ -60,6 +94,10 @@ static const struct snd_soc_dapm_route cht_audio_map[] = {
 	{"codec_in0", NULL, "ssp2 Rx" },
 	{"codec_in1", NULL, "ssp2 Rx" },
 	{"ssp2 Rx", NULL, "HiFi Capture"},
+	{"Headphone", NULL, "Platform Clock"},
+	{"Headset Mic", NULL, "Platform Clock"},
+	{"Int Mic", NULL, "Platform Clock"},
+	{"Ext Spk", NULL, "Platform Clock"},
 };
 
 static const struct snd_kcontrol_new cht_mc_controls[] = {
@@ -109,6 +147,40 @@ static struct notifier_block cht_jack_nb = {
 	.notifier_call = cht_ti_jack_event,
 };
 
+static struct snd_soc_jack_pin hs_jack_pins[] = {
+	{
+		.pin	= "Headphone",
+		.mask	= SND_JACK_HEADPHONE,
+	},
+	{
+		.pin	= "Headset Mic",
+		.mask	= SND_JACK_MICROPHONE,
+	},
+};
+
+static struct snd_soc_jack_gpio hs_jack_gpios[] = {
+	{
+		.name		= "hp",
+		.report		= SND_JACK_HEADPHONE | SND_JACK_LINEOUT,
+		.debounce_time	= 200,
+	},
+	{
+		.name		= "mic",
+		.invert		= 1,
+		.report		= SND_JACK_MICROPHONE,
+		.debounce_time	= 200,
+	},
+};
+
+static const struct acpi_gpio_params hp_gpios = { 0, 0, false };
+static const struct acpi_gpio_params mic_gpios = { 1, 0, false };
+
+static const struct acpi_gpio_mapping acpi_max98090_gpios[] = {
+	{ "hp-gpios", &hp_gpios, 1 },
+	{ "mic-gpios", &mic_gpios, 1 },
+	{},
+};
+
 static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
 {
 	int ret;
@@ -116,30 +188,55 @@ static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
 	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
 	struct snd_soc_jack *jack = &ctx->jack;
 
-	/**
-	* TI supports 4 butons headset detection
-	* KEY_MEDIA
-	* KEY_VOICECOMMAND
-	* KEY_VOLUMEUP
-	* KEY_VOLUMEDOWN
-	*/
-	if (ctx->ts3a227e_present)
-		jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
-					SND_JACK_BTN_0 | SND_JACK_BTN_1 |
-					SND_JACK_BTN_2 | SND_JACK_BTN_3;
-	else
-		jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE;
+	if (ctx->ts3a227e_present) {
+		/*
+		 * The jack has already been created in the
+		 * cht_max98090_headset_init() function.
+		 */
+		snd_soc_jack_notifier_register(jack, &cht_jack_nb);
+		return 0;
+	}
 
-	ret = snd_soc_card_jack_new(runtime->card, "Headset Jack",
-					jack_type, jack, NULL, 0);
+	jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE;
 
+	ret = snd_soc_card_jack_new(runtime->card, "Headset Jack",
+				    jack_type, jack,
+				    hs_jack_pins, ARRAY_SIZE(hs_jack_pins));
 	if (ret) {
 		dev_err(runtime->dev, "Headset Jack creation failed %d\n", ret);
 		return ret;
 	}
 
-	if (ctx->ts3a227e_present)
-		snd_soc_jack_notifier_register(jack, &cht_jack_nb);
+	ret = snd_soc_jack_add_gpiods(runtime->card->dev->parent, jack,
+				      ARRAY_SIZE(hs_jack_gpios),
+				      hs_jack_gpios);
+	if (ret) {
+		/*
+		 * flag error but don't bail if jack detect is broken
+		 * due to platform issues or bad BIOS/configuration
+		 */
+		dev_err(runtime->dev,
+			"jack detection gpios not added, error %d\n", ret);
+	}
+
+	/*
+	 * The firmware might enable the clock at
+	 * boot (this information may or may not
+	 * be reflected in the enable clock register).
+	 * To change the rate we must disable the clock
+	 * first to cover these cases. Due to common
+	 * clock framework restrictions that do not allow
+	 * to disable a clock that has not been enabled,
+	 * we need to enable the clock first.
+	 */
+	ret = clk_prepare_enable(ctx->mclk);
+	if (!ret)
+		clk_disable_unprepare(ctx->mclk);
+
+	ret = clk_set_rate(ctx->mclk, CHT_PLAT_CLK_3_HZ);
+
+	if (ret)
+		dev_err(runtime->dev, "unable to set MCLK rate\n");
 
 	return ret;
 }
@@ -188,8 +285,29 @@ static int cht_max98090_headset_init(struct snd_soc_component *component)
 {
 	struct snd_soc_card *card = component->card;
 	struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
+	struct snd_soc_jack *jack = &ctx->jack;
+	int jack_type;
+	int ret;
 
-	return ts3a227e_enable_jack_detect(component, &ctx->jack);
+	/*
+	 * TI supports 4 butons headset detection
+	 * KEY_MEDIA
+	 * KEY_VOICECOMMAND
+	 * KEY_VOLUMEUP
+	 * KEY_VOLUMEDOWN
+	 */
+	jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
+		    SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+		    SND_JACK_BTN_2 | SND_JACK_BTN_3;
+
+	ret = snd_soc_card_jack_new(card, "Headset Jack", jack_type,
+				    jack, NULL, 0);
+	if (ret) {
+		dev_err(card->dev, "Headset Jack creation failed %d\n", ret);
+		return ret;
+	}
+
+	return ts3a227e_enable_jack_detect(component, jack);
 }
 
 static const struct snd_soc_ops cht_aif1_ops = {
@@ -232,18 +350,10 @@ static struct snd_soc_dai_link cht_dailink[] = {
 		.dpcm_playback = 1,
 		.ops = &cht_aif1_ops,
 	},
-	[MERR_DPCM_COMPR] = {
-		.name = "Compressed Port",
-		.stream_name = "Compress",
-		.cpu_dai_name = "compress-cpu-dai",
-		.codec_dai_name = "snd-soc-dummy-dai",
-		.codec_name = "snd-soc-dummy",
-		.platform_name = "sst-mfld-platform",
-	},
 	/* back ends */
 	{
 		.name = "SSP2-Codec",
-		.id = 1,
+		.id = 0,
 		.cpu_dai_name = "ssp2-port",
 		.platform_name = "sst-mfld-platform",
 		.no_pcm = 1,
@@ -277,6 +387,7 @@ static struct snd_soc_card snd_soc_card_cht = {
 
 static int snd_cht_mc_probe(struct platform_device *pdev)
 {
+	struct device *dev = &pdev->dev;
 	int ret_val = 0;
 	struct cht_mc_private *drv;
 
@@ -289,11 +400,25 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
 		/* no need probe TI jack detection chip */
 		snd_soc_card_cht.aux_dev = NULL;
 		snd_soc_card_cht.num_aux_devs = 0;
+
+		ret_val = devm_acpi_dev_add_driver_gpios(dev->parent,
+							 acpi_max98090_gpios);
+		if (ret_val)
+			dev_dbg(dev, "Unable to add GPIO mapping table\n");
 	}
 
 	/* register the soc card */
 	snd_soc_card_cht.dev = &pdev->dev;
 	snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);
+
+	drv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
+	if (IS_ERR(drv->mclk)) {
+		dev_err(&pdev->dev,
+			"Failed to get MCLK from pmc_plt_clk_3: %ld\n",
+			PTR_ERR(drv->mclk));
+		return PTR_ERR(drv->mclk);
+	}
+
 	ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
 	if (ret_val) {
 		dev_err(&pdev->dev,