Merge "ASoC: codecs: Enable SSR for internal codec and WSA"

sound/soc/codecs/msm_sdw/msm_sdw_cdc.c

@@ -48,10 +48,14 @@
 #define MSM_SDW_VERSION_1_0 0x0001
 #define MSM_SDW_VERSION_ENTRY_SIZE 32
 
+/*
+ * 200 Milliseconds sufficient for DSP bring up in the modem
+ * after Sub System Restart
+ */
+#define ADSP_STATE_READY_TIMEOUT_MS 200
+
 static const DECLARE_TLV_DB_SCALE(digital_gain, 0, 1, 0);
 static struct snd_soc_dai_driver msm_sdw_dai[];
-static bool initial_boot = true;
-static bool is_ssr_en;
 static bool skip_irq = true;
 
 static int msm_sdw_config_ear_spkr_gain(struct snd_soc_codec *codec,
@@ -1636,6 +1640,8 @@ static int msm_sdw_notifier_service_cb(struct notifier_block *nb,
 	struct msm_sdw_priv *msm_sdw = container_of(nb,
 						    struct msm_sdw_priv,
 						    service_nb);
+	bool adsp_ready = false;
+	unsigned long timeout;
 
 	pr_debug("%s: Service opcode 0x%lx\n", __func__, opcode);
 
@@ -1648,15 +1654,34 @@ static int msm_sdw_notifier_service_cb(struct notifier_block *nb,
 					SWR_DEVICE_DOWN, NULL);
 		break;
 	case AUDIO_NOTIFIER_SERVICE_UP:
-		if (initial_boot) {
-			initial_boot = false;
-			break;
+		if (!q6core_is_adsp_ready()) {
+			dev_dbg(msm_sdw->dev, "ADSP isn't ready\n");
+			timeout = jiffies +
+				  msecs_to_jiffies(ADSP_STATE_READY_TIMEOUT_MS);
+			while (!time_after(jiffies, timeout)) {
+				if (!q6core_is_adsp_ready()) {
+					dev_dbg(msm_sdw->dev,
+						"ADSP isn't ready\n");
+				} else {
+					dev_dbg(msm_sdw->dev,
+						"ADSP is ready\n");
+					adsp_ready = true;
+					goto powerup;
+				}
+			}
+		} else {
+			adsp_ready = true;
+			dev_dbg(msm_sdw->dev, "%s: DSP is ready\n", __func__);
+		}
+powerup:
+		if (adsp_ready) {
+			msm_sdw->dev_up = true;
+			msm_sdw_init_reg(msm_sdw->codec);
+			regcache_mark_dirty(msm_sdw->regmap);
+			regcache_sync(msm_sdw->regmap);
+			msm_sdw_set_spkr_mode(msm_sdw->codec,
+					      msm_sdw->spkr_mode);
 		}
-		msm_sdw->dev_up = true;
-		msm_sdw_init_reg(msm_sdw->codec);
-		regcache_mark_dirty(msm_sdw->regmap);
-		regcache_sync(msm_sdw->regmap);
-		msm_sdw_set_spkr_mode(msm_sdw->codec, msm_sdw->spkr_mode);
 		break;
 	default:
 		break;
@@ -1683,17 +1708,14 @@ static int msm_sdw_codec_probe(struct snd_soc_codec *codec)
 	msm_sdw_init_reg(codec);
 	msm_sdw->version = MSM_SDW_VERSION_1_0;
 
-	if (is_ssr_en) {
-		msm_sdw->service_nb.notifier_call = msm_sdw_notifier_service_cb;
-		ret = audio_notifier_register("msm_sdw",
-					AUDIO_NOTIFIER_ADSP_DOMAIN,
-					&msm_sdw->service_nb);
-		if (ret < 0)
-			dev_err(msm_sdw->dev,
-				"%s: Audio notifier register failed ret = %d\n",
-				__func__, ret);
-	}
-
+	msm_sdw->service_nb.notifier_call = msm_sdw_notifier_service_cb;
+	ret = audio_notifier_register("msm_sdw",
+				AUDIO_NOTIFIER_ADSP_DOMAIN,
+				&msm_sdw->service_nb);
+	if (ret < 0)
+		dev_err(msm_sdw->dev,
+			"%s: Audio notifier register failed ret = %d\n",
+			__func__, ret);
 	return 0;
 }
 

sound/soc/codecs/sdm660_cdc/msm-analog-cdc.c

@@ -93,8 +93,6 @@ static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 25, 1);
 static struct snd_soc_dai_driver msm_anlg_cdc_i2s_dai[];
 /* By default enable the internal speaker boost */
 static bool spkr_boost_en = true;
-static bool initial_boot = true;
-static bool is_ssr_en;
 
 static char on_demand_supply_name[][MAX_ON_DEMAND_SUPPLY_NAME_LENGTH] = {
 	"cdc-vdd-mic-bias",
@@ -3777,7 +3775,6 @@ static int msm_anlg_cdc_device_down(struct snd_soc_codec *codec)
 	snd_soc_write(codec,
 		MSM89XX_PMIC_ANALOG_SPKR_DAC_CTL, 0x93);
 
-	msm_anlg_cdc_bringup(codec);
 	atomic_set(&pdata->int_mclk0_enabled, false);
 	msm_anlg_cdc_dig_notifier_call(codec, DIG_CDC_EVENT_SSR_DOWN);
 	set_bit(BUS_DOWN, &sdm660_cdc_priv->status_mask);
@@ -3799,14 +3796,6 @@ static int msm_anlg_cdc_device_up(struct snd_soc_codec *codec)
 	/* delay is required to make sure sound card state updated */
 	usleep_range(5000, 5100);
 
-	msm_anlg_cdc_codec_init_reg(codec);
-	msm_anlg_cdc_update_reg_defaults(codec);
-
-	regcache_mark_dirty(codec->component.regmap);
-	regcache_sync_region(codec->component.regmap,
-			     MSM89XX_PMIC_DIGITAL_REVISION1,
-			     MSM89XX_PMIC_CDC_MAX_REGISTER);
-
 	snd_soc_write(codec, MSM89XX_PMIC_DIGITAL_INT_EN_SET,
 				MSM89XX_PMIC_DIGITAL_INT_EN_SET__POR);
 	snd_soc_write(codec, MSM89XX_PMIC_DIGITAL_INT_EN_CLR,
@@ -3855,10 +3844,6 @@ static int sdm660_cdc_notifier_service_cb(struct notifier_block *nb,
 		msm_anlg_cdc_device_down(codec);
 		break;
 	case AUDIO_NOTIFIER_SERVICE_UP:
-		if (initial_boot) {
-			initial_boot = false;
-			break;
-		}
 		dev_dbg(codec->dev,
 			"ADSP is about to power up. bring up codec\n");
 
@@ -4058,17 +4043,16 @@ int msm_anlg_codec_info_create_codec_entry(struct snd_info_entry *codec_root,
 		return -ENOMEM;
 	}
 	sdm660_cdc_priv->version_entry = version_entry;
-	if (is_ssr_en) {
-		sdm660_cdc_priv->audio_ssr_nb.notifier_call =
-					sdm660_cdc_notifier_service_cb;
-		ret = audio_notifier_register("pmic_analog_cdc",
-					      AUDIO_NOTIFIER_ADSP_DOMAIN,
-					      &sdm660_cdc_priv->audio_ssr_nb);
-		if (ret < 0) {
-			pr_err("%s: Audio notifier register failed ret = %d\n",
-				__func__, ret);
-			return ret;
-		}
+
+	sdm660_cdc_priv->audio_ssr_nb.notifier_call =
+				sdm660_cdc_notifier_service_cb;
+	ret = audio_notifier_register("pmic_analog_cdc",
+				      AUDIO_NOTIFIER_ADSP_DOMAIN,
+				      &sdm660_cdc_priv->audio_ssr_nb);
+	if (ret < 0) {
+		pr_err("%s: Audio notifier register failed ret = %d\n",
+			__func__, ret);
+		return ret;
 	}
 	return 0;
 }

sound/soc/codecs/sdm660_cdc/msm-digital-cdc.c

@@ -74,6 +74,7 @@ static int msm_digcdc_clock_control(bool flag)
 
 	pdata = snd_soc_card_get_drvdata(registered_digcodec->component.card);
 
+	mutex_lock(&pdata->cdc_int_mclk0_mutex);
 	if (flag) {
 		if (atomic_read(&pdata->int_mclk0_enabled) == false) {
 			pdata->digital_cdc_core_clk.enable = 1;
@@ -83,6 +84,7 @@ static int msm_digcdc_clock_control(bool flag)
 			if (ret < 0) {
 				pr_err("%s:failed to enable the MCLK\n",
 				       __func__);
+				mutex_unlock(&pdata->cdc_int_mclk0_mutex);
 				return ret;
 			}
 			pr_debug("enabled digital codec core clk\n");
@@ -94,6 +96,7 @@ static int msm_digcdc_clock_control(bool flag)
 		dev_dbg(registered_digcodec->dev,
 			"disable MCLK, workq to disable set already\n");
 	}
+	mutex_unlock(&pdata->cdc_int_mclk0_mutex);
 	return 0;
 }