Merge remote branch 'broonie-asoc/for-2.6.37' into for-2.6.37

sound/soc/codecs/tlv320aic3x.c

@@ -12,11 +12,11 @@
  *
  * Notes:
  *  The AIC3X is a driver for a low power stereo audio
- *  codecs aic31, aic32, aic33.
+ *  codecs aic31, aic32, aic33, aic3007.
  *
  *  It supports full aic33 codec functionality.
- *  The compatibility with aic32, aic31 is as follows:
- *        aic32        |        aic31
+ *  The compatibility with aic32, aic31 and aic3007 is as follows:
+ *    aic32/aic3007    |        aic31
  *  ---------------------------------------
  *   MONO_LOUT -> N/A  |  MONO_LOUT -> N/A
  *                     |  IN1L -> LINE1L
@@ -70,6 +70,10 @@ struct aic3x_priv {
 	unsigned int sysclk;
 	int master;
 	int gpio_reset;
+#define AIC3X_MODEL_3X 0
+#define AIC3X_MODEL_33 1
+#define AIC3X_MODEL_3007 2
+	u16 model;
 };
 
 /*
@@ -361,6 +365,14 @@ static const struct snd_kcontrol_new aic3x_snd_controls[] = {
 	SOC_ENUM("ADC HPF Cut-off", aic3x_enum[ADC_HPF_ENUM]),
 };
 
+/*
+ * Class-D amplifier gain. From 0 to 18 dB in 6 dB steps
+ */
+static DECLARE_TLV_DB_SCALE(classd_amp_tlv, 0, 600, 0);
+
+static const struct snd_kcontrol_new aic3x_classd_amp_gain_ctrl =
+	SOC_DOUBLE_TLV("Class-D Amplifier Gain", CLASSD_CTRL, 6, 4, 3, 0, classd_amp_tlv);
+
 /* Left DAC Mux */
 static const struct snd_kcontrol_new aic3x_left_dac_mux_controls =
 SOC_DAPM_ENUM("Route", aic3x_enum[LDAC_ENUM]);
@@ -589,6 +601,15 @@ static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = {
 	SND_SOC_DAPM_INPUT("LINE2R"),
 };
 
+static const struct snd_soc_dapm_widget aic3007_dapm_widgets[] = {
+	/* Class-D outputs */
+	SND_SOC_DAPM_PGA("Left Class-D Out", CLASSD_CTRL, 3, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("Right Class-D Out", CLASSD_CTRL, 2, 0, NULL, 0),
+
+	SND_SOC_DAPM_OUTPUT("SPOP"),
+	SND_SOC_DAPM_OUTPUT("SPOM"),
+};
+
 static const struct snd_soc_dapm_route intercon[] = {
 	/* Left Output */
 	{"Left DAC Mux", "DAC_L1", "Left DAC"},
@@ -759,14 +780,30 @@ static const struct snd_soc_dapm_route intercon[] = {
 	{"GPIO1 dmic modclk", NULL, "DMic Rate 32"},
 };
 
+static const struct snd_soc_dapm_route intercon_3007[] = {
+	/* Class-D outputs */
+	{"Left Class-D Out", NULL, "Left Line Out"},
+	{"Right Class-D Out", NULL, "Left Line Out"},
+	{"SPOP", NULL, "Left Class-D Out"},
+	{"SPOM", NULL, "Right Class-D Out"},
+};
+
 static int aic3x_add_widgets(struct snd_soc_codec *codec)
 {
+	struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
+
 	snd_soc_dapm_new_controls(codec, aic3x_dapm_widgets,
 				  ARRAY_SIZE(aic3x_dapm_widgets));
 
 	/* set up audio path interconnects */
 	snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon));
 
+	if (aic3x->model == AIC3X_MODEL_3007) {
+		snd_soc_dapm_new_controls(codec, aic3007_dapm_widgets,
+			ARRAY_SIZE(aic3007_dapm_widgets));
+		snd_soc_dapm_add_routes(codec, intercon_3007, ARRAY_SIZE(intercon_3007));
+	}
+
 	return 0;
 }
 
@@ -1117,6 +1154,7 @@ static struct snd_soc_dai_driver aic3x_dai = {
 		.rates = AIC3X_RATES,
 		.formats = AIC3X_FORMATS,},
 	.ops = &aic3x_dai_ops,
+	.symmetric_rates = 1,
 };
 
 static int aic3x_suspend(struct snd_soc_codec *codec, pm_message_t state)
@@ -1150,6 +1188,7 @@ static int aic3x_resume(struct snd_soc_codec *codec)
  */
 static int aic3x_init(struct snd_soc_codec *codec)
 {
+	struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
 	int reg;
 
 	aic3x_write(codec, AIC3X_PAGE_SELECT, PAGE0_SELECT);
@@ -1218,6 +1257,17 @@ static int aic3x_init(struct snd_soc_codec *codec)
 	aic3x_write(codec, LINE2L_2_MONOLOPM_VOL, DEFAULT_VOL);
 	aic3x_write(codec, LINE2R_2_MONOLOPM_VOL, DEFAULT_VOL);
 
+	if (aic3x->model == AIC3X_MODEL_3007) {
+		/* Class-D speaker driver init; datasheet p. 46 */
+		aic3x_write(codec, AIC3X_PAGE_SELECT, 0x0D);
+		aic3x_write(codec, 0xD, 0x0D);
+		aic3x_write(codec, 0x8, 0x5C);
+		aic3x_write(codec, 0x8, 0x5D);
+		aic3x_write(codec, 0x8, 0x5C);
+		aic3x_write(codec, AIC3X_PAGE_SELECT, 0x00);
+		aic3x_write(codec, CLASSD_CTRL, 0);
+	}
+
 	/* off, with power on */
 	aic3x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
@@ -1243,6 +1293,8 @@ static int aic3x_probe(struct snd_soc_codec *codec)
 
 	snd_soc_add_controls(codec, aic3x_snd_controls,
 			     ARRAY_SIZE(aic3x_snd_controls));
+	if (aic3x->model == AIC3X_MODEL_3007)
+		snd_soc_add_controls(codec, &aic3x_classd_amp_gain_ctrl, 1);
 
 	aic3x_add_widgets(codec);
 
@@ -1274,6 +1326,14 @@ static struct snd_soc_codec_driver soc_codec_dev_aic3x = {
  * 0x18, 0x19, 0x1A, 0x1B
  */
 
+static const struct i2c_device_id aic3x_i2c_id[] = {
+	[AIC3X_MODEL_3X] = { "tlv320aic3x", 0 },
+	[AIC3X_MODEL_33] = { "tlv320aic33", 0 },
+	[AIC3X_MODEL_3007] = { "tlv320aic3007", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, aic3x_i2c_id);
+
 /*
  * If the i2c layer weren't so broken, we could pass this kind of data
  * around
@@ -1285,6 +1345,7 @@ static int aic3x_i2c_probe(struct i2c_client *i2c,
 	struct aic3x_setup_data *setup = pdata->setup;
 	struct aic3x_priv *aic3x;
 	int ret, i;
+	const struct i2c_device_id *tbl;
 
 	aic3x = kzalloc(sizeof(struct aic3x_priv), GFP_KERNEL);
 	if (aic3x == NULL) {
@@ -1305,6 +1366,12 @@ static int aic3x_i2c_probe(struct i2c_client *i2c,
 		gpio_direction_output(aic3x->gpio_reset, 0);
 	}
 
+	for (tbl = aic3x_i2c_id; tbl->name[0]; tbl++) {
+		if (!strcmp(tbl->name, id->name))
+			break;
+	}
+	aic3x->model = tbl - aic3x_i2c_id;
+
 	for (i = 0; i < ARRAY_SIZE(aic3x->supplies); i++)
 		aic3x->supplies[i].supply = aic3x_supply_names[i];
 
@@ -1359,13 +1426,6 @@ static int aic3x_i2c_remove(struct i2c_client *client)
 	return 0;
 }
 
-static const struct i2c_device_id aic3x_i2c_id[] = {
-	{ "tlv320aic3x", 0 },
-	{ "tlv320aic33", 0 },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, aic3x_i2c_id);
-
 /* machine i2c codec control layer */
 static struct i2c_driver aic3x_i2c_driver = {
 	.driver = {