Merge remote-tracking branch 'asoc/topic/tas5270' into asoc-next

Documentation/devicetree/bindings/sound/tas571x.txt

-Texas Instruments TAS5711/TAS5717/TAS5719 stereo power amplifiers
+Texas Instruments TAS5711/TAS5717/TAS5719/TAS5721 stereo power amplifiers
 
 The codec is controlled through an I2C interface.  It also has two other
 signals that can be wired up to GPIOs: reset (strongly recommended), and
@@ -6,7 +6,11 @@ powerdown (optional).
 
 Required properties:
 
-- compatible: "ti,tas5711", "ti,tas5717", or "ti,tas5719"
+- compatible: should be one of the following:
+  - "ti,tas5711",
+  - "ti,tas5717",
+  - "ti,tas5719",
+  - "ti,tas5721"
 - reg: The I2C address of the device
 - #sound-dai-cells: must be equal to 0
 
@@ -25,6 +29,8 @@ Optional properties:
 - PVDD_B-supply: regulator phandle for the PVDD_B supply (5711)
 - PVDD_C-supply: regulator phandle for the PVDD_C supply (5711)
 - PVDD_D-supply: regulator phandle for the PVDD_D supply (5711)
+- DRVDD-supply: regulator phandle for the DRVDD supply (5721)
+- PVDD-supply: regulator phandle for the PVDD supply (5721)
 
 Example:
 

Documentation/devicetree/bindings/sound/tas5720.txt

+Texas Instruments TAS5720 Mono Audio amplifier
+
+The TAS5720 serial control bus communicates through the I2C protocol only. The
+serial bus is also used for periodic codec fault checking/reporting during
+audio playback. For more product information please see the links below:
+
+http://www.ti.com/product/TAS5720L
+http://www.ti.com/product/TAS5720M
+
+Required properties:
+
+- compatible : "ti,tas5720"
+- reg : I2C slave address
+- dvdd-supply : phandle to a 3.3-V supply for the digital circuitry
+- pvdd-supply : phandle to a supply used for the Class-D amp and the analog
+
+Example:
+
+tas5720: tas5720@6c {
+	status = "okay";
+	compatible = "ti,tas5720";
+	reg = <0x6c>;
+	dvdd-supply = <&vdd_3v3_reg>;
+	pvdd-supply = <&amp_supply_reg>;
+};

sound/soc/codecs/Kconfig

@@ -127,6 +127,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_TAS2552 if I2C
 	select SND_SOC_TAS5086 if I2C
 	select SND_SOC_TAS571X if I2C
+	select SND_SOC_TAS5720 if I2C
 	select SND_SOC_TFA9879 if I2C
 	select SND_SOC_TLV320AIC23_I2C if I2C
 	select SND_SOC_TLV320AIC23_SPI if SPI_MASTER
@@ -753,9 +754,16 @@ config SND_SOC_TAS5086
 	depends on I2C
 
 config SND_SOC_TAS571X
-	tristate "Texas Instruments TAS5711/TAS5717/TAS5719 power amplifiers"
+	tristate "Texas Instruments TAS5711/TAS5717/TAS5719/TAS5721 power amplifiers"
 	depends on I2C
 
+config SND_SOC_TAS5720
+	tristate "Texas Instruments TAS5720 Mono Audio amplifier"
+	depends on I2C
+	help
+	  Enable support for Texas Instruments TAS5720L/M high-efficiency mono
+	  Class-D audio power amplifiers.
+
 config SND_SOC_TFA9879
 	tristate "NXP Semiconductors TFA9879 amplifier"
 	depends on I2C

sound/soc/codecs/Makefile

@@ -132,6 +132,7 @@ snd-soc-stac9766-objs := stac9766.o
 snd-soc-sti-sas-objs := sti-sas.o
 snd-soc-tas5086-objs := tas5086.o
 snd-soc-tas571x-objs := tas571x.o
+snd-soc-tas5720-objs := tas5720.o
 snd-soc-tfa9879-objs := tfa9879.o
 snd-soc-tlv320aic23-objs := tlv320aic23.o
 snd-soc-tlv320aic23-i2c-objs := tlv320aic23-i2c.o
@@ -342,6 +343,7 @@ obj-$(CONFIG_SND_SOC_STI_SAS)	+= snd-soc-sti-sas.o
 obj-$(CONFIG_SND_SOC_TAS2552)	+= snd-soc-tas2552.o
 obj-$(CONFIG_SND_SOC_TAS5086)	+= snd-soc-tas5086.o
 obj-$(CONFIG_SND_SOC_TAS571X)	+= snd-soc-tas571x.o
+obj-$(CONFIG_SND_SOC_TAS5720)	+= snd-soc-tas5720.o
 obj-$(CONFIG_SND_SOC_TFA9879)	+= snd-soc-tfa9879.o
 obj-$(CONFIG_SND_SOC_TLV320AIC23)	+= snd-soc-tlv320aic23.o
 obj-$(CONFIG_SND_SOC_TLV320AIC23_I2C)	+= snd-soc-tlv320aic23-i2c.o

sound/soc/codecs/tas571x.c

@@ -4,6 +4,9 @@
  * Copyright (C) 2015 Google, Inc.
  * Copyright (c) 2013 Daniel Mack <zonque@gmail.com>
  *
+ * TAS5721 support:
+ * Copyright (C) 2016 Petr Kulhavy, Barix AG <petr@barix.com>
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
@@ -57,6 +60,10 @@ static int tas571x_register_size(struct tas571x_private *priv, unsigned int reg)
 	case TAS571X_CH1_VOL_REG:
 	case TAS571X_CH2_VOL_REG:
 		return priv->chip->vol_reg_size;
+	case TAS571X_INPUT_MUX_REG:
+	case TAS571X_CH4_SRC_SELECT_REG:
+	case TAS571X_PWM_MUX_REG:
+		return 4;
 	default:
 		return 1;
 	}
@@ -167,6 +174,23 @@ static int tas571x_hw_params(struct snd_pcm_substream *substream,
 				  TAS571X_SDI_FMT_MASK, val);
 }
 
+static int tas571x_mute(struct snd_soc_dai *dai, int mute)
+{
+	struct snd_soc_codec *codec = dai->codec;
+	u8 sysctl2;
+	int ret;
+
+	sysctl2 = mute ? TAS571X_SYS_CTRL_2_SDN_MASK : 0;
+
+	ret = snd_soc_update_bits(codec,
+			    TAS571X_SYS_CTRL_2_REG,
+		     TAS571X_SYS_CTRL_2_SDN_MASK,
+		     sysctl2);
+	usleep_range(1000, 2000);
+
+	return ret;
+}
+
 static int tas571x_set_bias_level(struct snd_soc_codec *codec,
 				  enum snd_soc_bias_level level)
 {
@@ -214,6 +238,7 @@ static int tas571x_set_bias_level(struct snd_soc_codec *codec,
 static const struct snd_soc_dai_ops tas571x_dai_ops = {
 	.set_fmt	= tas571x_set_dai_fmt,
 	.hw_params	= tas571x_hw_params,
+	.digital_mute	= tas571x_mute,
 };
 
 static const char *const tas5711_supply_names[] = {
@@ -241,6 +266,26 @@ static const struct snd_kcontrol_new tas5711_controls[] = {
 		   1, 1),
 };
 
+static const struct regmap_range tas571x_readonly_regs_range[] = {
+	regmap_reg_range(TAS571X_CLK_CTRL_REG,  TAS571X_DEV_ID_REG),
+};
+
+static const struct regmap_range tas571x_volatile_regs_range[] = {
+	regmap_reg_range(TAS571X_CLK_CTRL_REG,  TAS571X_ERR_STATUS_REG),
+	regmap_reg_range(TAS571X_OSC_TRIM_REG,  TAS571X_OSC_TRIM_REG),
+};
+
+static const struct regmap_access_table tas571x_write_regs = {
+	.no_ranges =	tas571x_readonly_regs_range,
+	.n_no_ranges =	ARRAY_SIZE(tas571x_readonly_regs_range),
+};
+
+static const struct regmap_access_table tas571x_volatile_regs = {
+	.yes_ranges =	tas571x_volatile_regs_range,
+	.n_yes_ranges =	ARRAY_SIZE(tas571x_volatile_regs_range),
+
+};
+
 static const struct reg_default tas5711_reg_defaults[] = {
 	{ 0x04, 0x05 },
 	{ 0x05, 0x40 },
@@ -260,6 +305,8 @@ static const struct regmap_config tas5711_regmap_config = {
 	.reg_defaults			= tas5711_reg_defaults,
 	.num_reg_defaults		= ARRAY_SIZE(tas5711_reg_defaults),
 	.cache_type			= REGCACHE_RBTREE,
+	.wr_table			= &tas571x_write_regs,
+	.volatile_table			= &tas571x_volatile_regs,
 };
 
 static const struct tas571x_chip tas5711_chip = {
@@ -314,6 +361,8 @@ static const struct regmap_config tas5717_regmap_config = {
 	.reg_defaults			= tas5717_reg_defaults,
 	.num_reg_defaults		= ARRAY_SIZE(tas5717_reg_defaults),
 	.cache_type			= REGCACHE_RBTREE,
+	.wr_table			= &tas571x_write_regs,
+	.volatile_table			= &tas571x_volatile_regs,
 };
 
 /* This entry is reused for tas5719 as the software interface is identical. */
@@ -326,6 +375,77 @@ static const struct tas571x_chip tas5717_chip = {
 	.vol_reg_size			= 2,
 };
 
+static const char *const tas5721_supply_names[] = {
+	"AVDD",
+	"DVDD",
+	"DRVDD",
+	"PVDD",
+};
+
+static const struct snd_kcontrol_new tas5721_controls[] = {
+	SOC_SINGLE_TLV("Master Volume",
+		       TAS571X_MVOL_REG,
+		       0, 0xff, 1, tas5711_volume_tlv),
+	SOC_DOUBLE_R_TLV("Speaker Volume",
+			 TAS571X_CH1_VOL_REG,
+			 TAS571X_CH2_VOL_REG,
+			 0, 0xff, 1, tas5711_volume_tlv),
+	SOC_DOUBLE("Speaker Switch",
+		   TAS571X_SOFT_MUTE_REG,
+		   TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
+		   1, 1),
+};
+
+static const struct reg_default tas5721_reg_defaults[] = {
+	{TAS571X_CLK_CTRL_REG,		0x6c},
+	{TAS571X_DEV_ID_REG,		0x00},
+	{TAS571X_ERR_STATUS_REG,	0x00},
+	{TAS571X_SYS_CTRL_1_REG,	0xa0},
+	{TAS571X_SDI_REG,		0x05},
+	{TAS571X_SYS_CTRL_2_REG,	0x40},
+	{TAS571X_SOFT_MUTE_REG,		0x00},
+	{TAS571X_MVOL_REG,		0xff},
+	{TAS571X_CH1_VOL_REG,		0x30},
+	{TAS571X_CH2_VOL_REG,		0x30},
+	{TAS571X_CH3_VOL_REG,		0x30},
+	{TAS571X_VOL_CFG_REG,		0x91},
+	{TAS571X_MODULATION_LIMIT_REG,	0x02},
+	{TAS571X_IC_DELAY_CH1_REG,	0xac},
+	{TAS571X_IC_DELAY_CH2_REG,	0x54},
+	{TAS571X_IC_DELAY_CH3_REG,	0xac},
+	{TAS571X_IC_DELAY_CH4_REG,	0x54},
+	{TAS571X_PWM_CH_SDN_GROUP_REG,	0x30},
+	{TAS571X_START_STOP_PERIOD_REG,	0x0f},
+	{TAS571X_OSC_TRIM_REG,		0x82},
+	{TAS571X_BKND_ERR_REG,		0x02},
+	{TAS571X_INPUT_MUX_REG,		0x17772},
+	{TAS571X_CH4_SRC_SELECT_REG,	0x4303},
+	{TAS571X_PWM_MUX_REG,		0x1021345},
+};
+
+static const struct regmap_config tas5721_regmap_config = {
+	.reg_bits			= 8,
+	.val_bits			= 32,
+	.max_register			= 0xff,
+	.reg_read			= tas571x_reg_read,
+	.reg_write			= tas571x_reg_write,
+	.reg_defaults			= tas5721_reg_defaults,
+	.num_reg_defaults		= ARRAY_SIZE(tas5721_reg_defaults),
+	.cache_type			= REGCACHE_RBTREE,
+	.wr_table			= &tas571x_write_regs,
+	.volatile_table			= &tas571x_volatile_regs,
+};
+
+
+static const struct tas571x_chip tas5721_chip = {
+	.supply_names			= tas5721_supply_names,
+	.num_supply_names		= ARRAY_SIZE(tas5721_supply_names),
+	.controls			= tas5711_controls,
+	.num_controls			= ARRAY_SIZE(tas5711_controls),
+	.regmap_config			= &tas5721_regmap_config,
+	.vol_reg_size			= 1,
+};
+
 static const struct snd_soc_dapm_widget tas571x_dapm_widgets[] = {
 	SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0),
@@ -386,11 +506,10 @@ static int tas571x_i2c_probe(struct i2c_client *client,
 	i2c_set_clientdata(client, priv);
 
 	of_id = of_match_device(tas571x_of_match, dev);
-	if (!of_id) {
-		dev_err(dev, "Unknown device type\n");
-		return -EINVAL;
-	}
+	if (of_id)
 		priv->chip = of_id->data;
+	else
+		priv->chip = (void *) id->driver_data;
 
 	priv->mclk = devm_clk_get(dev, "mclk");
 	if (IS_ERR(priv->mclk) && PTR_ERR(priv->mclk) != -ENOENT) {
@@ -445,10 +564,6 @@ static int tas571x_i2c_probe(struct i2c_client *client,
 	if (ret)
 		return ret;
 
-	ret = regmap_update_bits(priv->regmap, TAS571X_SYS_CTRL_2_REG,
-				 TAS571X_SYS_CTRL_2_SDN_MASK, 0);
-	if (ret)
-		return ret;
 
 	memcpy(&priv->codec_driver, &tas571x_codec, sizeof(priv->codec_driver));
 	priv->codec_driver.controls = priv->chip->controls;
@@ -486,14 +601,16 @@ static const struct of_device_id tas571x_of_match[] = {
 	{ .compatible = "ti,tas5711", .data = &tas5711_chip, },
 	{ .compatible = "ti,tas5717", .data = &tas5717_chip, },
 	{ .compatible = "ti,tas5719", .data = &tas5717_chip, },
+	{ .compatible = "ti,tas5721", .data = &tas5721_chip, },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, tas571x_of_match);
 
 static const struct i2c_device_id tas571x_i2c_id[] = {
-	{ "tas5711", 0 },
-	{ "tas5717", 0 },
-	{ "tas5719", 0 },
+	{ "tas5711", (kernel_ulong_t) &tas5711_chip },
+	{ "tas5717", (kernel_ulong_t) &tas5717_chip },
+	{ "tas5719", (kernel_ulong_t) &tas5717_chip },
+	{ "tas5721", (kernel_ulong_t) &tas5721_chip },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, tas571x_i2c_id);

sound/soc/codecs/tas571x.h

@@ -13,6 +13,10 @@
 #define _TAS571X_H
 
 /* device registers */
+#define TAS571X_CLK_CTRL_REG		0x00
+#define TAS571X_DEV_ID_REG		0x01
+#define TAS571X_ERR_STATUS_REG		0x02
+#define TAS571X_SYS_CTRL_1_REG		0x03
 #define TAS571X_SDI_REG			0x04
 #define TAS571X_SDI_FMT_MASK		0x0f
 
@@ -27,7 +31,25 @@
 #define TAS571X_MVOL_REG		0x07
 #define TAS571X_CH1_VOL_REG		0x08
 #define TAS571X_CH2_VOL_REG		0x09
+#define TAS571X_CH3_VOL_REG		0x0a
+#define TAS571X_VOL_CFG_REG		0x0e
+#define TAS571X_MODULATION_LIMIT_REG	0x10
+#define TAS571X_IC_DELAY_CH1_REG	0x11
+#define TAS571X_IC_DELAY_CH2_REG	0x12
+#define TAS571X_IC_DELAY_CH3_REG	0x13
+#define TAS571X_IC_DELAY_CH4_REG	0x14
 
+#define TAS571X_PWM_CH_SDN_GROUP_REG	0x19	/* N/A on TAS5717, TAS5719 */
+#define TAS571X_PWM_CH1_SDN_MASK	(1<<0)
+#define TAS571X_PWM_CH2_SDN_SHIFT	(1<<1)
+#define TAS571X_PWM_CH3_SDN_SHIFT	(1<<2)
+#define TAS571X_PWM_CH4_SDN_SHIFT	(1<<3)
+
+#define TAS571X_START_STOP_PERIOD_REG	0x1a
 #define TAS571X_OSC_TRIM_REG		0x1b
+#define TAS571X_BKND_ERR_REG		0x1c
+#define TAS571X_INPUT_MUX_REG		0x20
+#define TAS571X_CH4_SRC_SELECT_REG	0x21
+#define TAS571X_PWM_MUX_REG		0x25
 
 #endif /* _TAS571X_H */

sound/soc/codecs/tas5720.h

+/*
+ * tas5720.h - ALSA SoC Texas Instruments TAS5720 Mono Audio Amplifier
+ *
+ * Copyright (C)2015-2016 Texas Instruments Incorporated -  http://www.ti.com
+ *
+ * Author: Andreas Dannenberg <dannenberg@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#ifndef __TAS5720_H__
+#define __TAS5720_H__
+
+/* Register Address Map */
+#define TAS5720_DEVICE_ID_REG		0x00
+#define TAS5720_POWER_CTRL_REG		0x01
+#define TAS5720_DIGITAL_CTRL1_REG	0x02
+#define TAS5720_DIGITAL_CTRL2_REG	0x03
+#define TAS5720_VOLUME_CTRL_REG		0x04
+#define TAS5720_ANALOG_CTRL_REG		0x06
+#define TAS5720_FAULT_REG		0x08
+#define TAS5720_DIGITAL_CLIP2_REG	0x10
+#define TAS5720_DIGITAL_CLIP1_REG	0x11
+#define TAS5720_MAX_REG			TAS5720_DIGITAL_CLIP1_REG
+
+/* TAS5720_DEVICE_ID_REG */
+#define TAS5720_DEVICE_ID		0x01
+
+/* TAS5720_POWER_CTRL_REG */
+#define TAS5720_DIG_CLIP_MASK		GENMASK(7, 2)
+#define TAS5720_SLEEP			BIT(1)
+#define TAS5720_SDZ			BIT(0)
+
+/* TAS5720_DIGITAL_CTRL1_REG */
+#define TAS5720_HPF_BYPASS		BIT(7)
+#define TAS5720_TDM_CFG_SRC		BIT(6)
+#define TAS5720_SSZ_DS			BIT(3)
+#define TAS5720_SAIF_RIGHTJ_24BIT	(0x0)
+#define TAS5720_SAIF_RIGHTJ_20BIT	(0x1)
+#define TAS5720_SAIF_RIGHTJ_18BIT	(0x2)
+#define TAS5720_SAIF_RIGHTJ_16BIT	(0x3)
+#define TAS5720_SAIF_I2S		(0x4)
+#define TAS5720_SAIF_LEFTJ		(0x5)
+#define TAS5720_SAIF_FORMAT_MASK	GENMASK(2, 0)
+
+/* TAS5720_DIGITAL_CTRL2_REG */
+#define TAS5720_MUTE			BIT(4)
+#define TAS5720_TDM_SLOT_SEL_MASK	GENMASK(2, 0)
+
+/* TAS5720_ANALOG_CTRL_REG */
+#define TAS5720_PWM_RATE_6_3_FSYNC	(0x0 << 4)
+#define TAS5720_PWM_RATE_8_4_FSYNC	(0x1 << 4)
+#define TAS5720_PWM_RATE_10_5_FSYNC	(0x2 << 4)
+#define TAS5720_PWM_RATE_12_6_FSYNC	(0x3 << 4)
+#define TAS5720_PWM_RATE_14_7_FSYNC	(0x4 << 4)
+#define TAS5720_PWM_RATE_16_8_FSYNC	(0x5 << 4)
+#define TAS5720_PWM_RATE_20_10_FSYNC	(0x6 << 4)
+#define TAS5720_PWM_RATE_24_12_FSYNC	(0x7 << 4)
+#define TAS5720_PWM_RATE_MASK		GENMASK(6, 4)
+#define TAS5720_ANALOG_GAIN_19_2DBV	(0x0 << 2)
+#define TAS5720_ANALOG_GAIN_20_7DBV	(0x1 << 2)
+#define TAS5720_ANALOG_GAIN_23_5DBV	(0x2 << 2)
+#define TAS5720_ANALOG_GAIN_26_3DBV	(0x3 << 2)
+#define TAS5720_ANALOG_GAIN_MASK	GENMASK(3, 2)
+#define TAS5720_ANALOG_GAIN_SHIFT	(0x2)
+
+/* TAS5720_FAULT_REG */
+#define TAS5720_OC_THRESH_100PCT	(0x0 << 4)
+#define TAS5720_OC_THRESH_75PCT		(0x1 << 4)
+#define TAS5720_OC_THRESH_50PCT		(0x2 << 4)
+#define TAS5720_OC_THRESH_25PCT		(0x3 << 4)
+#define TAS5720_OC_THRESH_MASK		GENMASK(5, 4)
+#define TAS5720_CLKE			BIT(3)
+#define TAS5720_OCE			BIT(2)
+#define TAS5720_DCE			BIT(1)
+#define TAS5720_OTE			BIT(0)
+#define TAS5720_FAULT_MASK		GENMASK(3, 0)
+
+/* TAS5720_DIGITAL_CLIP1_REG */
+#define TAS5720_CLIP1_MASK		GENMASK(7, 2)
+#define TAS5720_CLIP1_SHIFT		(0x2)
+
+#endif /* __TAS5720_H__ */