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: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mark Brown 2011-02-08 14:09:41 +00:00
parent 0671fd8ef4
commit c93993aca4
5 changed files with 6703 additions and 0 deletions

55
include/sound/wm8915.h Normal file
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@ -0,0 +1,55 @@
/*
* 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

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@ -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

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@ -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

2925
sound/soc/codecs/wm8915.c Normal file

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3717
sound/soc/codecs/wm8915.h Normal file

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