ASoC: Asahi Kasei AK4641 codec driver

A driver for the AK4641 codec used in iPAQ hx4700 and Glofiish M800
among others.
Signed-off-by: Harald Welte <laforge@gnumonks.org>
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

include/sound/ak4641.h

+/*
+ * AK4641 ALSA SoC Codec driver
+ *
+ * Copyright 2009 Philipp Zabel
+ *
+ * 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.
+ */
+
+#ifndef __AK4641_H
+#define __AK4641_H
+
+/**
+ * struct ak4641_platform_data - platform specific AK4641 configuration
+ * @gpio_power:	GPIO to control external power to AK4641
+ * @gpio_npdn:	GPIO connected to AK4641 nPDN pin
+ *
+ * Both GPIO parameters are optional.
+ */
+struct ak4641_platform_data {
+	int gpio_power;
+	int gpio_npdn;
+};
+
+#endif /* __AK4641_H */

sound/soc/codecs/Kconfig

@@ -20,6 +20,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_ADS117X
 	select SND_SOC_AK4104 if SPI_MASTER
 	select SND_SOC_AK4535 if I2C
+	select SND_SOC_AK4641 if I2C
 	select SND_SOC_AK4642 if I2C
 	select SND_SOC_AK4671 if I2C
 	select SND_SOC_ALC5623 if I2C
@@ -139,6 +140,9 @@ config SND_SOC_AK4104
 config SND_SOC_AK4535
 	tristate
 
+config SND_SOC_AK4641
+	tristate
+
 config SND_SOC_AK4642
 	tristate
 

sound/soc/codecs/Makefile

@@ -7,6 +7,7 @@ snd-soc-ad73311-objs := ad73311.o
 snd-soc-ads117x-objs := ads117x.o
 snd-soc-ak4104-objs := ak4104.o
 snd-soc-ak4535-objs := ak4535.o
+snd-soc-ak4641-objs := ak4641.o
 snd-soc-ak4642-objs := ak4642.o
 snd-soc-ak4671-objs := ak4671.o
 snd-soc-cq93vc-objs := cq93vc.o
@@ -97,6 +98,7 @@ obj-$(CONFIG_SND_SOC_AD73311) += snd-soc-ad73311.o
 obj-$(CONFIG_SND_SOC_ADS117X)	+= snd-soc-ads117x.o
 obj-$(CONFIG_SND_SOC_AK4104)	+= snd-soc-ak4104.o
 obj-$(CONFIG_SND_SOC_AK4535)	+= snd-soc-ak4535.o
+obj-$(CONFIG_SND_SOC_AK4641)	+= snd-soc-ak4641.o
 obj-$(CONFIG_SND_SOC_AK4642)	+= snd-soc-ak4642.o
 obj-$(CONFIG_SND_SOC_AK4671)	+= snd-soc-ak4671.o
 obj-$(CONFIG_SND_SOC_ALC5623)    += snd-soc-alc5623.o

sound/soc/codecs/ak4641.h

+/*
+ * ak4641.h  --  AK4641 SoC Audio driver
+ *
+ * Copyright 2008 Harald Welte <laforge@gnufiish.org>
+ *
+ * Based on ak4535.h
+ *
+ * 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.
+ */
+
+#ifndef _AK4641_H
+#define _AK4641_H
+
+/* AK4641 register space */
+
+#define AK4641_PM1		0x00
+#define AK4641_PM2		0x01
+#define AK4641_SIG1		0x02
+#define AK4641_SIG2		0x03
+#define AK4641_MODE1		0x04
+#define AK4641_MODE2		0x05
+#define AK4641_DAC		0x06
+#define AK4641_MIC		0x07
+#define AK4641_TIMER		0x08
+#define AK4641_ALC1		0x09
+#define AK4641_ALC2		0x0a
+#define AK4641_PGA		0x0b
+#define AK4641_LATT		0x0c
+#define AK4641_RATT		0x0d
+#define AK4641_VOL		0x0e
+#define AK4641_STATUS		0x0f
+#define AK4641_EQLO		0x10
+#define AK4641_EQMID		0x11
+#define AK4641_EQHI		0x12
+#define AK4641_BTIF		0x13
+
+#define AK4641_CACHEREGNUM	0x14
+
+
+
+#define AK4641_DAI_HIFI		0
+#define AK4641_DAI_VOICE	1
+
+
+#endif