twl4030.c File Reference

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/of_gpio.h>
#include <linux/i2c/twl.h>
#include <linux/slab.h>
#include <linux/gpio.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <linux/mfd/twl4030-audio.h>

Go to the source code of this file.

Data Structures
struct	twl4030_priv

Macros
#define	TWL4030_REG_SW_SHADOW   0x4A
#define	TWL4030_CACHEREGNUM   (TWL4030_REG_SW_SHADOW + 1)
#define	TWL4030_HFL_EN   0x01
#define	TWL4030_HFR_EN   0x02
#define	TWL4030_OUTPUT_PGA(pin_name, reg, mask)
#define	TWL4030_RATES   (SNDRV_PCM_RATE_8000_48000)
#define	TWL4030_FORMATS   (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)

Functions
	TWL4030_OUTPUT_PGA (earpiece, TWL4030_REG_EAR_CTL, TWL4030_EAR_GAIN)
	TWL4030_OUTPUT_PGA (predrivel, TWL4030_REG_PREDL_CTL, TWL4030_PREDL_GAIN)
	TWL4030_OUTPUT_PGA (predriver, TWL4030_REG_PREDR_CTL, TWL4030_PREDR_GAIN)
	TWL4030_OUTPUT_PGA (carkitl, TWL4030_REG_PRECKL_CTL, TWL4030_PRECKL_GAIN)
	TWL4030_OUTPUT_PGA (carkitr, TWL4030_REG_PRECKR_CTL, TWL4030_PRECKR_GAIN)
	MODULE_ALIAS ("platform:twl4030-codec")
	module_platform_driver (twl4030_codec_driver)
	MODULE_DESCRIPTION ("ASoC TWL4030 codec driver")
	MODULE_AUTHOR ("Steve Sakoman")
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define TWL4030_CACHEREGNUM   (TWL4030_REG_SW_SHADOW + 1)

Definition at line 46 of file twl4030.c.

#define TWL4030_FORMATS   (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)

Definition at line 2213 of file twl4030.c.

#define TWL4030_HFL_EN   0x01

Definition at line 49 of file twl4030.c.

#define TWL4030_HFR_EN   0x02

Definition at line 50 of file twl4030.c.

#define TWL4030_OUTPUT_PGA	(		pin_name,
			reg,
			mask
	)

Value:

static int pin_name##pga_event(struct snd_soc_dapm_widget *w,       \
        struct snd_kcontrol *kcontrol, int event)       \
{                                   \
	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec); \
                                    \
    switch (event) {                        \
    case SND_SOC_DAPM_POST_PMU:                 \
        twl4030->pin_name##_enabled = 1;            \
        twl4030_write(w->codec, reg,                \
            twl4030_read_reg_cache(w->codec, reg));     \
        break;                          \
    case SND_SOC_DAPM_POST_PMD:                 \
        twl4030->pin_name##_enabled = 0;            \
        twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,        \
                    0, reg);            \
        break;                          \
    }                               \
    return 0;                           \
}

Definition at line 664 of file twl4030.c.

#define TWL4030_RATES   (SNDRV_PCM_RATE_8000_48000)

Definition at line 2212 of file twl4030.c.

#define TWL4030_REG_SW_SHADOW   0x4A

Definition at line 45 of file twl4030.c.

Function Documentation

MODULE_ALIAS

(

"platform:twl4030-codec"

)

MODULE_AUTHOR

(

"Steve Sakoman"

)

MODULE_DESCRIPTION

(

"ASoC TWL4030 codec driver"

)

MODULE_LICENSE

(

"GPL"

)

module_platform_driver

(

twl4030_codec_driver

)

TWL4030_OUTPUT_PGA	(	earpiece	,
		TWL4030_REG_EAR_CTL	,
		TWL4030_EAR_GAIN
	)

TWL4030_OUTPUT_PGA	(	predrivel	,
		TWL4030_REG_PREDL_CTL	,
		TWL4030_PREDL_GAIN
	)

TWL4030_OUTPUT_PGA	(	predriver	,
		TWL4030_REG_PREDR_CTL	,
		TWL4030_PREDR_GAIN
	)

TWL4030_OUTPUT_PGA	(	carkitl	,
		TWL4030_REG_PRECKL_CTL	,
		TWL4030_PRECKL_GAIN
	)

TWL4030_OUTPUT_PGA	(	carkitr	,
		TWL4030_REG_PRECKR_CTL	,
		TWL4030_PRECKR_GAIN
	)