asoc: bolero: Add codec entry for bolero for rtac support

Add codec entry for bolero codec under proc codecs list.
Update the names of wsa-macro gain offset and mode for
wsa8810 variant to avoid conflict with wcd9335.

Change-Id: Icaa2ef7c2f7253060cd7cccd44130b0b12dc0713
Signed-off-by: Laxminath Kasam <[email protected]>

asoc/codecs/bolero/bolero-cdc.c

@@ -22,6 +22,9 @@
 #include "bolero-cdc.h"
 #include "internal.h"
 
+#define BOLERO_VERSION_1_0 0x0001
+#define BOLERO_VERSION_ENTRY_SIZE 32
+
 static struct snd_soc_codec_driver bolero;
 
 /* MCLK_MUX table for all macros */
@@ -389,6 +392,95 @@ err:
 }
 EXPORT_SYMBOL(bolero_request_clock);
 
+static ssize_t bolero_version_read(struct snd_info_entry *entry,
+				   void *file_private_data,
+				   struct file *file,
+				   char __user *buf, size_t count,
+				   loff_t pos)
+{
+	struct bolero_priv *priv;
+	char buffer[BOLERO_VERSION_ENTRY_SIZE];
+	int len = 0;
+
+	priv = (struct bolero_priv *) entry->private_data;
+	if (!priv) {
+		pr_err("%s: bolero priv is null\n", __func__);
+		return -EINVAL;
+	}
+
+	switch (priv->version) {
+	case BOLERO_VERSION_1_0:
+		len = snprintf(buffer, sizeof(buffer), "BOLERO_1_0\n");
+		break;
+	default:
+		len = snprintf(buffer, sizeof(buffer), "VER_UNDEFINED\n");
+	}
+
+	return simple_read_from_buffer(buf, count, &pos, buffer, len);
+}
+
+static struct snd_info_entry_ops bolero_info_ops = {
+	.read = bolero_version_read,
+};
+
+/*
+ * bolero_info_create_codec_entry - creates bolero module
+ * @codec_root: The parent directory
+ * @codec: Codec instance
+ *
+ * Creates bolero module and version entry under the given
+ * parent directory.
+ *
+ * Return: 0 on success or negative error code on failure.
+ */
+int bolero_info_create_codec_entry(struct snd_info_entry *codec_root,
+				   struct snd_soc_codec *codec)
+{
+	struct snd_info_entry *version_entry;
+	struct bolero_priv *priv;
+	struct snd_soc_card *card;
+
+	if (!codec_root || !codec)
+		return -EINVAL;
+
+	priv = snd_soc_codec_get_drvdata(codec);
+	if (priv->entry) {
+		dev_dbg(priv->dev,
+			"%s:bolero module already created\n", __func__);
+		return 0;
+	}
+	card = codec->component.card;
+	priv->entry = snd_info_create_subdir(codec_root->module,
+					     "bolero", codec_root);
+	if (!priv->entry) {
+		dev_dbg(codec->dev, "%s: failed to create bolero entry\n",
+			__func__);
+		return -ENOMEM;
+	}
+	version_entry = snd_info_create_card_entry(card->snd_card,
+						   "version",
+						   priv->entry);
+	if (!version_entry) {
+		dev_err(codec->dev, "%s: failed to create bolero version entry\n",
+			__func__);
+		return -ENOMEM;
+	}
+
+	version_entry->private_data = priv;
+	version_entry->size = BOLERO_VERSION_ENTRY_SIZE;
+	version_entry->content = SNDRV_INFO_CONTENT_DATA;
+	version_entry->c.ops = &bolero_info_ops;
+
+	if (snd_info_register(version_entry) < 0) {
+		snd_info_free_entry(version_entry);
+		return -ENOMEM;
+	}
+	priv->version_entry = version_entry;
+
+	return 0;
+}
+EXPORT_SYMBOL(bolero_info_create_codec_entry);
+
 static int bolero_soc_codec_probe(struct snd_soc_codec *codec)
 {
 	struct bolero_priv *priv = dev_get_drvdata(codec->dev);
@@ -407,6 +499,7 @@ static int bolero_soc_codec_probe(struct snd_soc_codec *codec)
 		}
 	}
 	priv->codec = codec;
+	priv->version = BOLERO_VERSION_1_0;
 	dev_dbg(codec->dev, "%s: bolero soc codec probe success\n", __func__);
 err:
 	return ret;

asoc/codecs/bolero/bolero-cdc.h

@@ -49,6 +49,9 @@ struct device *bolero_get_device_ptr(struct device *dev, u16 macro_id);
 int bolero_request_clock(struct device *dev, u16 macro_id,
 			 enum mclk_mux mclk_mux_id,
 			 bool enable);
+int bolero_info_create_codec_entry(
+		struct snd_info_entry *codec_root,
+		struct snd_soc_codec *codec);
 #else
 static inline int bolero_register_macro(struct device *dev,
 					u16 macro_id,
@@ -66,11 +69,19 @@ static inline struct device *bolero_get_device_ptr(struct device *dev,
 {
 	return NULL;
 }
+
 static inline int bolero_request_clock(struct device *dev, u16 macro_id,
 				       enum mclk_mux mclk_mux_id,
 				       bool enable)
 {
 	return 0;
 }
+
+static int bolero_info_create_codec_entry(
+		struct snd_info_entry *codec_root,
+		struct snd_soc_codec *codec)
+{
+	return 0;
+}
 #endif /* CONFIG_SND_SOC_BOLERO */
 #endif /* BOLERO_CDC_H */

asoc/codecs/bolero/internal.h

@@ -37,6 +37,11 @@ struct bolero_priv {
 	u16 child_num;
 	u16 current_mclk_mux_macro[MAX_MACRO];
 	struct work_struct bolero_add_child_devices_work;
+	u32 version;
+
+	/* Entry for version info */
+	struct snd_info_entry *entry;
+	struct snd_info_entry *version_entry;
 
 	int (*read_dev)(struct bolero_priv *priv,
 			u16 macro_id, u16 reg, u8 *val);

asoc/codecs/bolero/wsa-macro.c

@@ -443,7 +443,7 @@ int wsa_macro_set_spkr_mode(struct snd_soc_codec *codec, int mode)
 		return -EINVAL;
 
 	switch (mode) {
-	case SPKR_MODE_1:
+	case WSA_MACRO_SPKR_MODE_1:
 		regs = wsa_macro_spkr_mode1;
 		size = ARRAY_SIZE(wsa_macro_spkr_mode1);
 		break;
@@ -1168,7 +1168,8 @@ static int wsa_macro_enable_interpolator(struct snd_soc_dapm_widget *w,
 	case SND_SOC_DAPM_POST_PMU:
 		wsa_macro_config_compander(codec, w->shift, event);
 		/* apply gain after int clk is enabled */
-		if ((wsa_priv->spkr_gain_offset == RX_GAIN_OFFSET_M1P5_DB) &&
+		if ((wsa_priv->spkr_gain_offset ==
+			WSA_MACRO_GAIN_OFFSET_M1P5_DB) &&
 		    (wsa_priv->comp_enabled[WSA_MACRO_COMP1] ||
 		     wsa_priv->comp_enabled[WSA_MACRO_COMP2]) &&
 		    (gain_reg == BOLERO_CDC_WSA_RX0_RX_VOL_CTL ||
@@ -1194,7 +1195,8 @@ static int wsa_macro_enable_interpolator(struct snd_soc_dapm_widget *w,
 	case SND_SOC_DAPM_POST_PMD:
 		wsa_macro_config_compander(codec, w->shift, event);
 		wsa_macro_enable_prim_interpolator(codec, reg, event);
-		if ((wsa_priv->spkr_gain_offset == RX_GAIN_OFFSET_M1P5_DB) &&
+		if ((wsa_priv->spkr_gain_offset ==
+			WSA_MACRO_GAIN_OFFSET_M1P5_DB) &&
 		    (wsa_priv->comp_enabled[WSA_MACRO_COMP1] ||
 		     wsa_priv->comp_enabled[WSA_MACRO_COMP2]) &&
 		    (gain_reg == BOLERO_CDC_WSA_RX0_RX_VOL_CTL ||
@@ -1229,8 +1231,8 @@ static int wsa_macro_config_ear_spkr_gain(struct snd_soc_codec *codec,
 	int comp_gain_offset, val;
 
 	switch (wsa_priv->spkr_mode) {
-	/* Compander gain in SPKR_MODE1 case is 12 dB */
-	case SPKR_MODE_1:
+	/* Compander gain in WSA_MACRO_SPKR_MODE1 case is 12 dB */
+	case WSA_MACRO_SPKR_MODE_1:
 		comp_gain_offset = -12;
 		break;
 	/* Default case compander gain is 15 dB */
@@ -1938,7 +1940,7 @@ static int wsa_macro_init(struct snd_soc_codec *codec)
 	}
 
 	wsa_priv->codec = codec;
-	wsa_priv->spkr_gain_offset = RX_GAIN_OFFSET_0_DB;
+	wsa_priv->spkr_gain_offset = WSA_MACRO_GAIN_OFFSET_0_DB;
 	wsa_macro_init_reg(codec);
 
 	return 0;
@@ -1975,7 +1977,7 @@ static void wsa_macro_add_child_devices(struct work_struct *work)
 			__func__);
 		return;
 	}
-	if (!!wsa_priv->dev || !wsa_priv->dev->of_node) {
+	if (!wsa_priv->dev || !wsa_priv->dev->of_node) {
 		dev_err(wsa_priv->dev,
 			"%s: DT node for wsa_priv does not exist\n", __func__);
 		return;

asoc/codecs/bolero/wsa-macro.h

@@ -17,14 +17,14 @@
  * for a given speaker mode
  */
 enum {
-	SPKR_MODE_DEFAULT,
-	SPKR_MODE_1,          /* COMP Gain = 12dB, Smartboost Max = 5.5V */
+	WSA_MACRO_SPKR_MODE_DEFAULT,
+	WSA_MACRO_SPKR_MODE_1, /* COMP Gain = 12dB, Smartboost Max = 5.5V */
 };
 
 /* Rx path gain offsets */
 enum {
-	RX_GAIN_OFFSET_M1P5_DB,
-	RX_GAIN_OFFSET_0_DB,
+	WSA_MACRO_GAIN_OFFSET_M1P5_DB,
+	WSA_MACRO_GAIN_OFFSET_0_DB,
 };