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ASoC: Add initial driver for the WM8400 CODEC 

The WM8400 is a highly integrated audio CODEC and power management unit
intended for mobile multimedia application.  This driver supports the
primary audio CODEC features, including:

 - 1W speaker driver
 - Fully differential headphone output
 - Up to 4 differential microphone inputs

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2009-03-10 10:55:15 +00:00
parent 5706d50132
commit aaf1e176fa
5 changed files with 1548 additions and 0 deletions
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1
include/linux/mfd/wm8400-audio.h
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@ -1181,6 +1181,7 @@
#define WM8400_FLL_OUTDIV_SHIFT 0 /* FLL_OUTDIV - [2:0] */
#define WM8400_FLL_OUTDIV_WIDTH 3 /* FLL_OUTDIV - [2:0] */
struct wm8400;
void wm8400_reset_codec_reg_cache(struct wm8400 *wm8400);
#endif

4
sound/soc/codecs/Kconfig
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@ -26,6 +26,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_UDA134X
select SND_SOC_UDA1380 if I2C
select SND_SOC_WM8350 if MFD_WM8350
select SND_SOC_WM8400 if MFD_WM8400
select SND_SOC_WM8510 if SND_SOC_I2C_AND_SPI
select SND_SOC_WM8580 if I2C
select SND_SOC_WM8728 if SND_SOC_I2C_AND_SPI
@ -110,6 +111,9 @@ config SND_SOC_UDA1380
config SND_SOC_WM8350
tristate
config SND_SOC_WM8400
tristate
config SND_SOC_WM8510
tristate

2
sound/soc/codecs/Makefile
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@ -14,6 +14,7 @@ snd-soc-twl4030-objs := twl4030.o
snd-soc-uda134x-objs := uda134x.o
snd-soc-uda1380-objs := uda1380.o
snd-soc-wm8350-objs := wm8350.o
snd-soc-wm8400-objs := wm8400.o
snd-soc-wm8510-objs := wm8510.o
snd-soc-wm8580-objs := wm8580.o
snd-soc-wm8728-objs := wm8728.o
@ -44,6 +45,7 @@ obj-$(CONFIG_SND_SOC_TWL4030) += snd-soc-twl4030.o
obj-$(CONFIG_SND_SOC_UDA134X) += snd-soc-uda134x.o
obj-$(CONFIG_SND_SOC_UDA1380) += snd-soc-uda1380.o
obj-$(CONFIG_SND_SOC_WM8350) += snd-soc-wm8350.o
obj-$(CONFIG_SND_SOC_WM8400) += snd-soc-wm8400.o
obj-$(CONFIG_SND_SOC_WM8510) += snd-soc-wm8510.o
obj-$(CONFIG_SND_SOC_WM8580) += snd-soc-wm8580.o
obj-$(CONFIG_SND_SOC_WM8728) += snd-soc-wm8728.o

1479
sound/soc/codecs/wm8400.c Normal file
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File diff suppressed because it is too large Load Diff

62
sound/soc/codecs/wm8400.h Normal file
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@ -0,0 +1,62 @@
/*
* wm8400.h -- audio driver for WM8400
*
* Copyright 2008 Wolfson Microelectronics PLC.
* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#ifndef _WM8400_CODEC_H
#define _WM8400_CODEC_H
#define WM8400_MCLK_DIV 0
#define WM8400_DACCLK_DIV 1
#define WM8400_ADCCLK_DIV 2
#define WM8400_BCLK_DIV 3
#define WM8400_MCLK_DIV_1 0x400
#define WM8400_MCLK_DIV_2 0x800
#define WM8400_DAC_CLKDIV_1 0x00
#define WM8400_DAC_CLKDIV_1_5 0x04
#define WM8400_DAC_CLKDIV_2 0x08
#define WM8400_DAC_CLKDIV_3 0x0c
#define WM8400_DAC_CLKDIV_4 0x10
#define WM8400_DAC_CLKDIV_5_5 0x14
#define WM8400_DAC_CLKDIV_6 0x18
#define WM8400_ADC_CLKDIV_1 0x00
#define WM8400_ADC_CLKDIV_1_5 0x20
#define WM8400_ADC_CLKDIV_2 0x40
#define WM8400_ADC_CLKDIV_3 0x60
#define WM8400_ADC_CLKDIV_4 0x80
#define WM8400_ADC_CLKDIV_5_5 0xa0
#define WM8400_ADC_CLKDIV_6 0xc0
#define WM8400_BCLK_DIV_1 (0x0 << 1)
#define WM8400_BCLK_DIV_1_5 (0x1 << 1)
#define WM8400_BCLK_DIV_2 (0x2 << 1)
#define WM8400_BCLK_DIV_3 (0x3 << 1)
#define WM8400_BCLK_DIV_4 (0x4 << 1)
#define WM8400_BCLK_DIV_5_5 (0x5 << 1)
#define WM8400_BCLK_DIV_6 (0x6 << 1)
#define WM8400_BCLK_DIV_8 (0x7 << 1)
#define WM8400_BCLK_DIV_11 (0x8 << 1)
#define WM8400_BCLK_DIV_12 (0x9 << 1)
#define WM8400_BCLK_DIV_16 (0xA << 1)
#define WM8400_BCLK_DIV_22 (0xB << 1)
#define WM8400_BCLK_DIV_24 (0xC << 1)
#define WM8400_BCLK_DIV_32 (0xD << 1)
#define WM8400_BCLK_DIV_44 (0xE << 1)
#define WM8400_BCLK_DIV_48 (0xF << 1)
extern struct snd_soc_dai wm8400_dai;
extern struct snd_soc_codec_device soc_codec_dev_wm8400;
#endif