ASoC: pcm3168a: Add driver for pcm3168a codec

Add driver for Texas Instruments pcm3168a codec
Signed-off-by: Damien.Horsley <Damien.Horsley@imgtec.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/Kconfig

@@ -85,6 +85,8 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_PCM1681 if I2C
 	select SND_SOC_PCM1792A if SPI_MASTER
 	select SND_SOC_PCM3008
+	select SND_SOC_PCM3168A_I2C if I2C
+	select SND_SOC_PCM3168A_SPI if SPI_MASTER
 	select SND_SOC_PCM512x_I2C if I2C
 	select SND_SOC_PCM512x_SPI if SPI_MASTER
 	select SND_SOC_RT286 if I2C
@@ -506,6 +508,21 @@ config SND_SOC_PCM1792A
 config SND_SOC_PCM3008
        tristate
 
+config SND_SOC_PCM3168A
+	tristate
+
+config SND_SOC_PCM3168A_I2C
+	tristate "Texas Instruments PCM3168A CODEC - I2C"
+	depends on I2C
+	select SND_SOC_PCM3168A
+	select REGMAP_I2C
+
+config SND_SOC_PCM3168A_SPI
+	tristate "Texas Instruments PCM3168A CODEC - SPI"
+	depends on SPI_MASTER
+	select SND_SOC_PCM3168A
+	select REGMAP_SPI
+
 config SND_SOC_PCM512x
 	tristate
 

sound/soc/codecs/Makefile

@@ -78,6 +78,9 @@ snd-soc-nau8825-objs := nau8825.o
 snd-soc-pcm1681-objs := pcm1681.o
 snd-soc-pcm1792a-codec-objs := pcm1792a.o
 snd-soc-pcm3008-objs := pcm3008.o
+snd-soc-pcm3168a-objs := pcm3168a.o
+snd-soc-pcm3168a-i2c-objs := pcm3168a-i2c.o
+snd-soc-pcm3168a-spi-objs := pcm3168a-spi.o
 snd-soc-pcm512x-objs := pcm512x.o
 snd-soc-pcm512x-i2c-objs := pcm512x-i2c.o
 snd-soc-pcm512x-spi-objs := pcm512x-spi.o
@@ -273,6 +276,9 @@ obj-$(CONFIG_SND_SOC_NAU8825)   += snd-soc-nau8825.o
 obj-$(CONFIG_SND_SOC_PCM1681)	+= snd-soc-pcm1681.o
 obj-$(CONFIG_SND_SOC_PCM1792A)	+= snd-soc-pcm1792a-codec.o
 obj-$(CONFIG_SND_SOC_PCM3008)	+= snd-soc-pcm3008.o
+obj-$(CONFIG_SND_SOC_PCM3168A)	+= snd-soc-pcm3168a.o
+obj-$(CONFIG_SND_SOC_PCM3168A_I2C)	+= snd-soc-pcm3168a-i2c.o
+obj-$(CONFIG_SND_SOC_PCM3168A_SPI)	+= snd-soc-pcm3168a-spi.o
 obj-$(CONFIG_SND_SOC_PCM512x)	+= snd-soc-pcm512x.o
 obj-$(CONFIG_SND_SOC_PCM512x_I2C)	+= snd-soc-pcm512x-i2c.o
 obj-$(CONFIG_SND_SOC_PCM512x_SPI)	+= snd-soc-pcm512x-spi.o

sound/soc/codecs/pcm3168a-i2c.c

+/*
+ * PCM3168A codec i2c driver
+ *
+ * Copyright (C) 2015 Imagination Technologies Ltd.
+ *
+ * Author: Damien Horsley <Damien.Horsley@imgtec.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ */
+
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/module.h>
+
+#include <sound/soc.h>
+
+#include "pcm3168a.h"
+
+static int pcm3168a_i2c_probe(struct i2c_client *i2c,
+			     const struct i2c_device_id *id)
+{
+	struct regmap *regmap;
+
+	regmap = devm_regmap_init_i2c(i2c, &pcm3168a_regmap);
+	if (IS_ERR(regmap))
+		return PTR_ERR(regmap);
+
+	return pcm3168a_probe(&i2c->dev, regmap);
+}
+
+static int pcm3168a_i2c_remove(struct i2c_client *i2c)
+{
+	pcm3168a_remove(&i2c->dev);
+
+	return 0;
+}
+
+static const struct i2c_device_id pcm3168a_i2c_id[] = {
+	{ "pcm3168a", },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, pcm3168a_i2c_id);
+
+static const struct of_device_id pcm3168a_of_match[] = {
+	{ .compatible = "ti,pcm3168a", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, pcm3168a_of_match);
+
+static struct i2c_driver pcm3168a_i2c_driver = {
+	.probe		= pcm3168a_i2c_probe,
+	.remove		= pcm3168a_i2c_remove,
+	.id_table	= pcm3168a_i2c_id,
+	.driver		= {
+		.name	= "pcm3168a",
+		.of_match_table = pcm3168a_of_match,
+		.pm		= &pcm3168a_pm_ops,
+	},
+};
+module_i2c_driver(pcm3168a_i2c_driver);
+
+MODULE_DESCRIPTION("PCM3168A I2C codec driver");
+MODULE_AUTHOR("Damien Horsley <Damien.Horsley@imgtec.com>");
+MODULE_LICENSE("GPL v2");

sound/soc/codecs/pcm3168a-spi.c

+/*
+ * PCM3168A codec spi driver
+ *
+ * Copyright (C) 2015 Imagination Technologies Ltd.
+ *
+ * Author: Damien Horsley <Damien.Horsley@imgtec.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/spi/spi.h>
+
+#include <sound/soc.h>
+
+#include "pcm3168a.h"
+
+static int pcm3168a_spi_probe(struct spi_device *spi)
+{
+	struct regmap *regmap;
+
+	regmap = devm_regmap_init_spi(spi, &pcm3168a_regmap);
+	if (IS_ERR(regmap))
+		return PTR_ERR(regmap);
+
+	return pcm3168a_probe(&spi->dev, regmap);
+}
+
+static int pcm3168a_spi_remove(struct spi_device *spi)
+{
+	pcm3168a_remove(&spi->dev);
+
+	return 0;
+}
+
+static const struct spi_device_id pcm3168a_spi_id[] = {
+	{ "pcm3168a", },
+	{ },
+};
+MODULE_DEVICE_TABLE(spi, pcm3168a_spi_id);
+
+static const struct of_device_id pcm3168a_of_match[] = {
+	{ .compatible = "ti,pcm3168a", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, pcm3168a_of_match);
+
+static struct spi_driver pcm3168a_spi_driver = {
+	.probe		= pcm3168a_spi_probe,
+	.remove		= pcm3168a_spi_remove,
+	.id_table	= pcm3168a_spi_id,
+	.driver = {
+		.name	= "pcm3168a",
+		.of_match_table = pcm3168a_of_match,
+		.pm		= &pcm3168a_pm_ops,
+	},
+};
+module_spi_driver(pcm3168a_spi_driver);
+
+MODULE_DESCRIPTION("PCM3168A SPI codec driver");
+MODULE_AUTHOR("Damien Horsley <Damien.Horsley@imgtec.com>");
+MODULE_LICENSE("GPL v2");

sound/soc/codecs/pcm3168a.h

+/*
+ * PCM3168A codec driver header
+ *
+ * Copyright (C) 2015 Imagination Technologies Ltd.
+ *
+ * Author: Damien Horsley <Damien.Horsley@imgtec.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ */
+
+#ifndef __PCM3168A_H__
+#define __PCM3168A_H__
+
+extern const struct dev_pm_ops pcm3168a_pm_ops;
+extern const struct regmap_config pcm3168a_regmap;
+
+extern int pcm3168a_probe(struct device *dev, struct regmap *regmap);
+extern void pcm3168a_remove(struct device *dev);
+
+#define PCM3168A_RST_SMODE			0x40
+#define PCM3168A_MRST_MASK			0x80
+#define PCM3168A_SRST_MASK			0x40
+#define PCM3168A_DAC_SRDA_SHIFT			0
+#define PCM3168A_DAC_SRDA_MASK			0x3
+
+#define PCM3168A_DAC_PWR_MST_FMT		0x41
+#define PCM3168A_DAC_PSMDA_SHIFT		7
+#define PCM3168A_DAC_PSMDA_MASK			0x80
+#define PCM3168A_DAC_MSDA_SHIFT			4
+#define PCM3168A_DAC_MSDA_MASK			0x70
+#define PCM3168A_DAC_FMT_SHIFT			0
+#define PCM3168A_DAC_FMT_MASK			0xf
+
+#define PCM3168A_DAC_OP_FLT			0x42
+#define PCM3168A_DAC_OPEDA_SHIFT		4
+#define PCM3168A_DAC_OPEDA_MASK			0xf0
+#define PCM3168A_DAC_FLT_SHIFT			0
+#define PCM3168A_DAC_FLT_MASK			0xf
+
+#define PCM3168A_DAC_INV			0x43
+
+#define PCM3168A_DAC_MUTE			0x44
+
+#define PCM3168A_DAC_ZERO			0x45
+
+#define PCM3168A_DAC_ATT_DEMP_ZF		0x46
+#define PCM3168A_DAC_ATMDDA_MASK		0x80
+#define PCM3168A_DAC_ATMDDA_SHIFT		7
+#define PCM3168A_DAC_ATSPDA_MASK		0x40
+#define PCM3168A_DAC_ATSPDA_SHIFT		6
+#define PCM3168A_DAC_DEMP_SHIFT			4
+#define PCM3168A_DAC_DEMP_MASK			0x30
+#define PCM3168A_DAC_AZRO_SHIFT			1
+#define PCM3168A_DAC_AZRO_MASK			0xe
+#define PCM3168A_DAC_ZREV_MASK			0x1
+#define PCM3168A_DAC_ZREV_SHIFT			0
+
+#define PCM3168A_DAC_VOL_MASTER			0x47
+
+#define PCM3168A_DAC_VOL_CHAN_START		0x48
+
+#define PCM3168A_ADC_SMODE			0x50
+#define PCM3168A_ADC_SRAD_SHIFT			0
+#define PCM3168A_ADC_SRAD_MASK			0x3
+
+#define PCM3168A_ADC_MST_FMT			0x51
+#define PCM3168A_ADC_MSAD_SHIFT			4
+#define PCM3168A_ADC_MSAD_MASK			0x70
+#define PCM3168A_ADC_FMTAD_SHIFT		0
+#define PCM3168A_ADC_FMTAD_MASK			0x7
+
+#define PCM3168A_ADC_PWR_HPFB			0x52
+#define PCM3168A_ADC_PSVAD_SHIFT		4
+#define PCM3168A_ADC_PSVAD_MASK			0x70
+#define PCM3168A_ADC_BYP_SHIFT			0
+#define PCM3168A_ADC_BYP_MASK			0x7
+
+#define PCM3168A_ADC_SEAD			0x53
+
+#define PCM3168A_ADC_INV			0x54
+
+#define PCM3168A_ADC_MUTE			0x55
+
+#define PCM3168A_ADC_OV				0x56
+
+#define PCM3168A_ADC_ATT_OVF			0x57
+#define PCM3168A_ADC_ATMDAD_MASK		0x80
+#define PCM3168A_ADC_ATMDAD_SHIFT		7
+#define PCM3168A_ADC_ATSPAD_MASK		0x40
+#define PCM3168A_ADC_ATSPAD_SHIFT		6
+#define PCM3168A_ADC_OVFP_MASK			0x1
+#define PCM3168A_ADC_OVFP_SHIFT			0
+
+#define PCM3168A_ADC_VOL_MASTER			0x58
+
+#define PCM3168A_ADC_VOL_CHAN_START		0x59
+
+#endif