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Commit 0b5e92c5 authored by Jonathan Cameron's avatar Jonathan Cameron Committed by Mark Brown
Browse files

ASoC WM8940 Driver 



Signed-off-by: default avatarJonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent a7be4d92

sound/soc/codecs/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ config SND_SOC_ALL_CODECS 
	select SND_SOC_WM8753 if SND_SOC_I2C_AND_SPI

	select SND_SOC_WM8900 if I2C

	select SND_SOC_WM8903 if I2C

	select SND_SOC_WM8940 if I2C

	select SND_SOC_WM8960 if I2C

	select SND_SOC_WM8971 if I2C

	select SND_SOC_WM8988 if SND_SOC_I2C_AND_SPI
@@ -140,6 +141,9 @@ config SND_SOC_WM8900 
config SND_SOC_WM8903

	tristate



config SND_SOC_WM8940

        tristate



config SND_SOC_WM8960

	tristate

sound/soc/codecs/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ snd-soc-wm8750-objs := wm8750.o 
snd-soc-wm8753-objs := wm8753.o

snd-soc-wm8900-objs := wm8900.o

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

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

snd-soc-wm8960-objs := wm8960.o

snd-soc-wm8971-objs := wm8971.o

snd-soc-wm8988-objs := wm8988.o
@@ -57,6 +58,7 @@ obj-$(CONFIG_SND_SOC_WM8753) += snd-soc-wm8753.o 
obj-$(CONFIG_SND_SOC_WM8900)	+= snd-soc-wm8900.o

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

obj-$(CONFIG_SND_SOC_WM8971)	+= snd-soc-wm8971.o

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

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

obj-$(CONFIG_SND_SOC_WM8988)	+= snd-soc-wm8988.o

obj-$(CONFIG_SND_SOC_WM8990)	+= snd-soc-wm8990.o

sound/soc/codecs/wm8940.c

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+955 −0

File added.

Preview size limit exceeded, changes collapsed.

sound/soc/codecs/wm8940.h

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/*

 * wm8940.h -- WM8940 Soc Audio driver

 *

 * 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 _WM8940_H

#define _WM8940_H



struct wm8940_setup_data {

	/* Vref to analogue output resistance */

#define WM8940_VROI_1K 0

#define WM8940_VROI_30K 1

	unsigned int vroi:1;

};

extern struct snd_soc_dai wm8940_dai;

extern struct snd_soc_codec_device soc_codec_dev_wm8940;



/* WM8940 register space */

#define WM8940_SOFTRESET	0x00

#define WM8940_POWER1		0x01

#define WM8940_POWER2		0x02

#define WM8940_POWER3		0x03

#define WM8940_IFACE		0x04

#define WM8940_COMPANDINGCTL	0x05

#define WM8940_CLOCK		0x06

#define WM8940_ADDCNTRL		0x07

#define WM8940_GPIO		0x08

#define WM8940_CTLINT		0x09

#define WM8940_DAC		0x0A

#define WM8940_DACVOL		0x0B



#define WM8940_ADC		0x0E

#define WM8940_ADCVOL		0x0F

#define WM8940_NOTCH1		0x10

#define WM8940_NOTCH2		0x11

#define WM8940_NOTCH3		0x12

#define WM8940_NOTCH4		0x13

#define WM8940_NOTCH5		0x14

#define WM8940_NOTCH6		0x15

#define WM8940_NOTCH7		0x16

#define WM8940_NOTCH8		0x17

#define WM8940_DACLIM1		0x18

#define WM8940_DACLIM2		0x19



#define WM8940_ALC1		0x20

#define WM8940_ALC2		0x21

#define WM8940_ALC3		0x22

#define WM8940_NOISEGATE	0x23

#define WM8940_PLLN		0x24

#define WM8940_PLLK1		0x25

#define WM8940_PLLK2		0x26

#define WM8940_PLLK3		0x27



#define WM8940_ALC4		0x2A



#define WM8940_INPUTCTL		0x2C

#define WM8940_PGAGAIN		0x2D



#define WM8940_ADCBOOST		0x2F



#define WM8940_OUTPUTCTL	0x31

#define WM8940_SPKMIX		0x32



#define WM8940_SPKVOL		0x36



#define WM8940_MONOMIX		0x38



#define WM8940_CACHEREGNUM  0x57





/* Clock divider Id's */

#define WM8940_BCLKDIV 0

#define WM8940_MCLKDIV 1

#define WM8940_OPCLKDIV 2



/* MCLK clock dividers */

#define WM8940_MCLKDIV_1	0

#define WM8940_MCLKDIV_1_5	1

#define WM8940_MCLKDIV_2	2

#define WM8940_MCLKDIV_3	3

#define WM8940_MCLKDIV_4	4

#define WM8940_MCLKDIV_6	5

#define WM8940_MCLKDIV_8	6

#define WM8940_MCLKDIV_12	7



/* BCLK clock dividers */

#define WM8940_BCLKDIV_1 0

#define WM8940_BCLKDIV_2 1

#define WM8940_BCLKDIV_4 2

#define WM8940_BCLKDIV_8 3

#define WM8940_BCLKDIV_16 4

#define WM8940_BCLKDIV_32 5



/* PLL Out Dividers */

#define WM8940_OPCLKDIV_1 0

#define WM8940_OPCLKDIV_2 1

#define WM8940_OPCLKDIV_3 2

#define WM8940_OPCLKDIV_4 3



#endif /* _WM8940_H */