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Commit c93993ac authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: Add WM8915 CODEC driver 



The WM8915 is an ultra low power mobile CODEC designed for smartphones,
featuring a mixture of digital and analogue I/O with flexible mixing
options and advanced low power accessory detection functionality in a
compact package.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
parent 0671fd8e

include/sound/wm8915.h

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Original line number Diff line number Diff line 
/*

 * linux/sound/wm8915.h -- Platform data for WM8915

 *

 * Copyright 2011 Wolfson Microelectronics. PLC.

 *

 * 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 __LINUX_SND_WM8903_H

#define __LINUX_SND_WM8903_H



enum wm8915_inmode {

	WM8915_DIFFERRENTIAL_1 = 0,   /* IN1xP - IN1xN */

	WM8915_INVERTING = 1,         /* IN1xN */

	WM8915_NON_INVERTING = 2,     /* IN1xP */

	WM8915_DIFFERENTIAL_2 = 3,    /* IN2xP - IN2xP */

};



/**

 * ReTune Mobile configurations are specified with a label, sample

 * rate and set of values to write (the enable bits will be ignored).

 *

 * Configurations are expected to be generated using the ReTune Mobile

 * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/

 */

struct wm8915_retune_mobile_config {

	const char *name;

	int rate;

	u16 regs[20];

};



#define WM8915_SET_DEFAULT 0x10000



struct wm8915_pdata {

	int irq_flags;  /** Set IRQ trigger flags; default active low */



	int ldo_ena;  /** GPIO for LDO1; -1 for none */



	int micdet_def;  /** Default MICDET_SRC/HP1FB_SRC/MICD_BIAS */



	enum wm8915_inmode inl_mode;

	enum wm8915_inmode inr_mode;



	u32 spkmute_seq;  /** Value for register 0x802 */



	int gpio_base;

	u32 gpio_default[5];



	int num_retune_mobile_cfgs;

	struct wm8915_retune_mobile_config *retune_mobile_cfgs;

};



#endif

sound/soc/codecs/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -73,6 +73,7 @@ config SND_SOC_ALL_CODECS 
	select SND_SOC_WM8900 if I2C

	select SND_SOC_WM8903 if I2C

	select SND_SOC_WM8904 if I2C

	select SND_SOC_WM8915 if I2C

	select SND_SOC_WM8940 if I2C

	select SND_SOC_WM8955 if I2C

	select SND_SOC_WM8960 if I2C
@@ -302,6 +303,9 @@ config SND_SOC_WM8903 
config SND_SOC_WM8904

	tristate



config SND_SOC_WM8915

	tristate



config SND_SOC_WM8940

        tristate

sound/soc/codecs/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -57,6 +57,7 @@ snd-soc-wm8804-objs := wm8804.o 
snd-soc-wm8900-objs := wm8900.o

snd-soc-wm8903-objs := wm8903.o

snd-soc-wm8904-objs := wm8904.o

snd-soc-wm8915-objs := wm8915.o

snd-soc-wm8940-objs := wm8940.o

snd-soc-wm8955-objs := wm8955.o

snd-soc-wm8960-objs := wm8960.o
@@ -146,6 +147,7 @@ obj-$(CONFIG_SND_SOC_WM8804) += snd-soc-wm8804.o 
obj-$(CONFIG_SND_SOC_WM8900)	+= snd-soc-wm8900.o

obj-$(CONFIG_SND_SOC_WM8903)	+= snd-soc-wm8903.o

obj-$(CONFIG_SND_SOC_WM8904)	+= snd-soc-wm8904.o

obj-$(CONFIG_SND_SOC_WM8915)	+= snd-soc-wm8915.o

obj-$(CONFIG_SND_SOC_WM8940)	+= snd-soc-wm8940.o

obj-$(CONFIG_SND_SOC_WM8955)	+= snd-soc-wm8955.o

obj-$(CONFIG_SND_SOC_WM8960)	+= snd-soc-wm8960.o

sound/soc/codecs/wm8915.c

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sound/soc/codecs/wm8915.h

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