ASoC: Add ADAU1373 codec support

This patch adds support for the Analog Devices ADAU1373 audio codec.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

include/sound/adau1373.h

+/*
+ * Analog Devices ADAU1373 Audio Codec drive
+ *
+ * Copyright 2011 Analog Devices Inc.
+ * Author: Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __SOUND_ADAU1373_H__
+#define __SOUND_ADAU1373_H__
+
+enum adau1373_micbias_voltage {
+	ADAU1373_MICBIAS_2_9V = 0,
+	ADAU1373_MICBIAS_2_2V = 1,
+	ADAU1373_MICBIAS_2_6V = 2,
+	ADAU1373_MICBIAS_1_8V = 3,
+};
+
+#define ADAU1373_DRC_SIZE 13
+
+struct adau1373_platform_data {
+	bool input_differential[4];
+	bool lineout_differential;
+	bool lineout_ground_sense;
+
+	unsigned int num_drc;
+	uint8_t drc_setting[3][ADAU1373_DRC_SIZE];
+
+	enum adau1373_micbias_voltage micbias1;
+	enum adau1373_micbias_voltage micbias2;
+};
+
+#endif

sound/soc/codecs/Kconfig

@@ -17,6 +17,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_AD193X if SND_SOC_I2C_AND_SPI
 	select SND_SOC_AD1980 if SND_SOC_AC97_BUS
 	select SND_SOC_AD73311
+	select SND_SOC_ADAU1373 if I2C
 	select SND_SOC_ADAV80X
 	select SND_SOC_ADS117X
 	select SND_SOC_AK4104 if SPI_MASTER
@@ -139,6 +140,9 @@ config SND_SOC_ADAU1701
 	select SIGMA
 	tristate
 
+config SND_SOC_ADAU1373
+	tristate
+
 config SND_SOC_ADAV80X
 	tristate
 

sound/soc/codecs/Makefile

@@ -5,6 +5,7 @@ snd-soc-ad193x-objs := ad193x.o
 snd-soc-ad1980-objs := ad1980.o
 snd-soc-ad73311-objs := ad73311.o
 snd-soc-adau1701-objs := adau1701.o
+snd-soc-adau1373-objs := adau1373.o
 snd-soc-adav80x-objs := adav80x.o
 snd-soc-ads117x-objs := ads117x.o
 snd-soc-ak4104-objs := ak4104.o
@@ -100,6 +101,7 @@ obj-$(CONFIG_SND_SOC_AD1836)	+= snd-soc-ad1836.o
 obj-$(CONFIG_SND_SOC_AD193X)	+= snd-soc-ad193x.o
 obj-$(CONFIG_SND_SOC_AD1980)	+= snd-soc-ad1980.o
 obj-$(CONFIG_SND_SOC_AD73311) += snd-soc-ad73311.o
+obj-$(CONFIG_SND_SOC_ADAU1373)	+= snd-soc-adau1373.o
 obj-$(CONFIG_SND_SOC_ADAU1701)  += snd-soc-adau1701.o
 obj-$(CONFIG_SND_SOC_ADAV80X)  += snd-soc-adav80x.o
 obj-$(CONFIG_SND_SOC_ADS117X)	+= snd-soc-ads117x.o

sound/soc/codecs/adau1373.h

+#ifndef __ADAU1373_H__
+#define __ADAU1373_H__
+
+enum adau1373_pll_src {
+	ADAU1373_PLL_SRC_MCLK1 = 0,
+	ADAU1373_PLL_SRC_BCLK1 = 1,
+	ADAU1373_PLL_SRC_BCLK2 = 2,
+	ADAU1373_PLL_SRC_BCLK3 = 3,
+	ADAU1373_PLL_SRC_LRCLK1 = 4,
+	ADAU1373_PLL_SRC_LRCLK2 = 5,
+	ADAU1373_PLL_SRC_LRCLK3 = 6,
+	ADAU1373_PLL_SRC_GPIO1 = 7,
+	ADAU1373_PLL_SRC_GPIO2 = 8,
+	ADAU1373_PLL_SRC_GPIO3 = 9,
+	ADAU1373_PLL_SRC_GPIO4 = 10,
+	ADAU1373_PLL_SRC_MCLK2 = 11,
+};
+
+enum adau1373_pll {
+	ADAU1373_PLL1 = 0,
+	ADAU1373_PLL2 = 1,
+};
+
+enum adau1373_clk_src {
+	ADAU1373_CLK_SRC_PLL1 = 0,
+	ADAU1373_CLK_SRC_PLL2 = 1,
+};
+
+#endif