2009-09-10 00:12:43 +09:00
/*
* ak4671 . c - - audio driver for AK4671
*
* Copyright ( C ) 2009 Samsung Electronics Co . Ltd
* Author : Joonyoung Shim < jy0922 . shim @ samsung . 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 .
*
*/
# include <linux/module.h>
# include <linux/init.h>
# include <linux/i2c.h>
# include <linux/delay.h>
# include <sound/soc.h>
# include <sound/soc-dapm.h>
# include <sound/initval.h>
# include <sound/tlv.h>
# include "ak4671.h"
static struct snd_soc_codec * ak4671_codec ;
/* codec private data */
struct ak4671_priv {
struct snd_soc_codec codec ;
u8 reg_cache [ AK4671_CACHEREGNUM ] ;
} ;
/* ak4671 register cache & default register settings */
static const u8 ak4671_reg [ AK4671_CACHEREGNUM ] = {
0x00 , /* AK4671_AD_DA_POWER_MANAGEMENT (0x00) */
0xf6 , /* AK4671_PLL_MODE_SELECT0 (0x01) */
0x00 , /* AK4671_PLL_MODE_SELECT1 (0x02) */
0x02 , /* AK4671_FORMAT_SELECT (0x03) */
0x00 , /* AK4671_MIC_SIGNAL_SELECT (0x04) */
0x55 , /* AK4671_MIC_AMP_GAIN (0x05) */
0x00 , /* AK4671_MIXING_POWER_MANAGEMENT0 (0x06) */
0x00 , /* AK4671_MIXING_POWER_MANAGEMENT1 (0x07) */
0xb5 , /* AK4671_OUTPUT_VOLUME_CONTROL (0x08) */
0x00 , /* AK4671_LOUT1_SIGNAL_SELECT (0x09) */
0x00 , /* AK4671_ROUT1_SIGNAL_SELECT (0x0a) */
0x00 , /* AK4671_LOUT2_SIGNAL_SELECT (0x0b) */
0x00 , /* AK4671_ROUT2_SIGNAL_SELECT (0x0c) */
0x00 , /* AK4671_LOUT3_SIGNAL_SELECT (0x0d) */
0x00 , /* AK4671_ROUT3_SIGNAL_SELECT (0x0e) */
0x00 , /* AK4671_LOUT1_POWER_MANAGERMENT (0x0f) */
0x00 , /* AK4671_LOUT2_POWER_MANAGERMENT (0x10) */
0x80 , /* AK4671_LOUT3_POWER_MANAGERMENT (0x11) */
0x91 , /* AK4671_LCH_INPUT_VOLUME_CONTROL (0x12) */
0x91 , /* AK4671_RCH_INPUT_VOLUME_CONTROL (0x13) */
0xe1 , /* AK4671_ALC_REFERENCE_SELECT (0x14) */
0x00 , /* AK4671_DIGITAL_MIXING_CONTROL (0x15) */
0x00 , /* AK4671_ALC_TIMER_SELECT (0x16) */
0x00 , /* AK4671_ALC_MODE_CONTROL (0x17) */
0x02 , /* AK4671_MODE_CONTROL1 (0x18) */
0x01 , /* AK4671_MODE_CONTROL2 (0x19) */
0x18 , /* AK4671_LCH_OUTPUT_VOLUME_CONTROL (0x1a) */
0x18 , /* AK4671_RCH_OUTPUT_VOLUME_CONTROL (0x1b) */
0x00 , /* AK4671_SIDETONE_A_CONTROL (0x1c) */
0x02 , /* AK4671_DIGITAL_FILTER_SELECT (0x1d) */
0x00 , /* AK4671_FIL3_COEFFICIENT0 (0x1e) */
0x00 , /* AK4671_FIL3_COEFFICIENT1 (0x1f) */
0x00 , /* AK4671_FIL3_COEFFICIENT2 (0x20) */
0x00 , /* AK4671_FIL3_COEFFICIENT3 (0x21) */
0x00 , /* AK4671_EQ_COEFFICIENT0 (0x22) */
0x00 , /* AK4671_EQ_COEFFICIENT1 (0x23) */
0x00 , /* AK4671_EQ_COEFFICIENT2 (0x24) */
0x00 , /* AK4671_EQ_COEFFICIENT3 (0x25) */
0x00 , /* AK4671_EQ_COEFFICIENT4 (0x26) */
0x00 , /* AK4671_EQ_COEFFICIENT5 (0x27) */
0xa9 , /* AK4671_FIL1_COEFFICIENT0 (0x28) */
0x1f , /* AK4671_FIL1_COEFFICIENT1 (0x29) */
0xad , /* AK4671_FIL1_COEFFICIENT2 (0x2a) */
0x20 , /* AK4671_FIL1_COEFFICIENT3 (0x2b) */
0x00 , /* AK4671_FIL2_COEFFICIENT0 (0x2c) */
0x00 , /* AK4671_FIL2_COEFFICIENT1 (0x2d) */
0x00 , /* AK4671_FIL2_COEFFICIENT2 (0x2e) */
0x00 , /* AK4671_FIL2_COEFFICIENT3 (0x2f) */
0x00 , /* AK4671_DIGITAL_FILTER_SELECT2 (0x30) */
0x00 , /* this register not used */
0x00 , /* AK4671_E1_COEFFICIENT0 (0x32) */
0x00 , /* AK4671_E1_COEFFICIENT1 (0x33) */
0x00 , /* AK4671_E1_COEFFICIENT2 (0x34) */
0x00 , /* AK4671_E1_COEFFICIENT3 (0x35) */
0x00 , /* AK4671_E1_COEFFICIENT4 (0x36) */
0x00 , /* AK4671_E1_COEFFICIENT5 (0x37) */
0x00 , /* AK4671_E2_COEFFICIENT0 (0x38) */
0x00 , /* AK4671_E2_COEFFICIENT1 (0x39) */
0x00 , /* AK4671_E2_COEFFICIENT2 (0x3a) */
0x00 , /* AK4671_E2_COEFFICIENT3 (0x3b) */
0x00 , /* AK4671_E2_COEFFICIENT4 (0x3c) */
0x00 , /* AK4671_E2_COEFFICIENT5 (0x3d) */
0x00 , /* AK4671_E3_COEFFICIENT0 (0x3e) */
0x00 , /* AK4671_E3_COEFFICIENT1 (0x3f) */
0x00 , /* AK4671_E3_COEFFICIENT2 (0x40) */
0x00 , /* AK4671_E3_COEFFICIENT3 (0x41) */
0x00 , /* AK4671_E3_COEFFICIENT4 (0x42) */
0x00 , /* AK4671_E3_COEFFICIENT5 (0x43) */
0x00 , /* AK4671_E4_COEFFICIENT0 (0x44) */
0x00 , /* AK4671_E4_COEFFICIENT1 (0x45) */
0x00 , /* AK4671_E4_COEFFICIENT2 (0x46) */
0x00 , /* AK4671_E4_COEFFICIENT3 (0x47) */
0x00 , /* AK4671_E4_COEFFICIENT4 (0x48) */
0x00 , /* AK4671_E4_COEFFICIENT5 (0x49) */
0x00 , /* AK4671_E5_COEFFICIENT0 (0x4a) */
0x00 , /* AK4671_E5_COEFFICIENT1 (0x4b) */
0x00 , /* AK4671_E5_COEFFICIENT2 (0x4c) */
0x00 , /* AK4671_E5_COEFFICIENT3 (0x4d) */
0x00 , /* AK4671_E5_COEFFICIENT4 (0x4e) */
0x00 , /* AK4671_E5_COEFFICIENT5 (0x4f) */
0x88 , /* AK4671_EQ_CONTROL_250HZ_100HZ (0x50) */
0x88 , /* AK4671_EQ_CONTROL_3500HZ_1KHZ (0x51) */
0x08 , /* AK4671_EQ_CONTRO_10KHZ (0x52) */
0x00 , /* AK4671_PCM_IF_CONTROL0 (0x53) */
0x00 , /* AK4671_PCM_IF_CONTROL1 (0x54) */
0x00 , /* AK4671_PCM_IF_CONTROL2 (0x55) */
0x18 , /* AK4671_DIGITAL_VOLUME_B_CONTROL (0x56) */
0x18 , /* AK4671_DIGITAL_VOLUME_C_CONTROL (0x57) */
0x00 , /* AK4671_SIDETONE_VOLUME_CONTROL (0x58) */
0x00 , /* AK4671_DIGITAL_MIXING_CONTROL2 (0x59) */
0x00 , /* AK4671_SAR_ADC_CONTROL (0x5a) */
} ;
/*
* LOUT1 / ROUT1 output volume control :
* from - 24 to 6 dB in 6 dB steps ( mute instead of - 30 dB )
*/
static DECLARE_TLV_DB_SCALE ( out1_tlv , - 3000 , 600 , 1 ) ;
/*
* LOUT2 / ROUT2 output volume control :
* from - 33 to 6 dB in 3 dB steps ( mute instead of - 33 dB )
*/
static DECLARE_TLV_DB_SCALE ( out2_tlv , - 3300 , 300 , 1 ) ;
/*
* LOUT3 / ROUT3 output volume control :
* from - 6 to 3 dB in 3 dB steps
*/
static DECLARE_TLV_DB_SCALE ( out3_tlv , - 600 , 300 , 0 ) ;
/*
* Mic amp gain control :
* from - 15 to 30 dB in 3 dB steps
* REVISIT : The actual min value ( 0x01 ) is - 12 dB and the reg value 0x00 is not
* available
*/
static DECLARE_TLV_DB_SCALE ( mic_amp_tlv , - 1500 , 300 , 0 ) ;
static const struct snd_kcontrol_new ak4671_snd_controls [ ] = {
/* Common playback gain controls */
SOC_SINGLE_TLV ( " Line Output1 Playback Volume " ,
AK4671_OUTPUT_VOLUME_CONTROL , 0 , 0x6 , 0 , out1_tlv ) ,
SOC_SINGLE_TLV ( " Headphone Output2 Playback Volume " ,
AK4671_OUTPUT_VOLUME_CONTROL , 4 , 0xd , 0 , out2_tlv ) ,
SOC_SINGLE_TLV ( " Line Output3 Playback Volume " ,
AK4671_LOUT3_POWER_MANAGERMENT , 6 , 0x3 , 0 , out3_tlv ) ,
/* Common capture gain controls */
SOC_DOUBLE_TLV ( " Mic Amp Capture Volume " ,
AK4671_MIC_AMP_GAIN , 0 , 4 , 0xf , 0 , mic_amp_tlv ) ,
} ;
/* event handlers */
static int ak4671_out2_event ( struct snd_soc_dapm_widget * w ,
struct snd_kcontrol * kcontrol , int event )
{
struct snd_soc_codec * codec = w - > codec ;
u8 reg ;
switch ( event ) {
case SND_SOC_DAPM_POST_PMU :
reg = snd_soc_read ( codec , AK4671_LOUT2_POWER_MANAGERMENT ) ;
reg | = AK4671_MUTEN ;
snd_soc_write ( codec , AK4671_LOUT2_POWER_MANAGERMENT , reg ) ;
break ;
case SND_SOC_DAPM_PRE_PMD :
reg = snd_soc_read ( codec , AK4671_LOUT2_POWER_MANAGERMENT ) ;
reg & = ~ AK4671_MUTEN ;
snd_soc_write ( codec , AK4671_LOUT2_POWER_MANAGERMENT , reg ) ;
break ;
}
return 0 ;
}
/* Output Mixers */
static const struct snd_kcontrol_new ak4671_lout1_mixer_controls [ ] = {
SOC_DAPM_SINGLE ( " DACL " , AK4671_LOUT1_SIGNAL_SELECT , 0 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " LINL1 " , AK4671_LOUT1_SIGNAL_SELECT , 1 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " LINL2 " , AK4671_LOUT1_SIGNAL_SELECT , 2 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " LINL3 " , AK4671_LOUT1_SIGNAL_SELECT , 3 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " LINL4 " , AK4671_LOUT1_SIGNAL_SELECT , 4 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " LOOPL " , AK4671_LOUT1_SIGNAL_SELECT , 5 , 1 , 0 ) ,
} ;
static const struct snd_kcontrol_new ak4671_rout1_mixer_controls [ ] = {
SOC_DAPM_SINGLE ( " DACR " , AK4671_ROUT1_SIGNAL_SELECT , 0 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " RINR1 " , AK4671_ROUT1_SIGNAL_SELECT , 1 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " RINR2 " , AK4671_ROUT1_SIGNAL_SELECT , 2 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " RINR3 " , AK4671_ROUT1_SIGNAL_SELECT , 3 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " RINR4 " , AK4671_ROUT1_SIGNAL_SELECT , 4 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " LOOPR " , AK4671_ROUT1_SIGNAL_SELECT , 5 , 1 , 0 ) ,
} ;
static const struct snd_kcontrol_new ak4671_lout2_mixer_controls [ ] = {
SOC_DAPM_SINGLE ( " DACHL " , AK4671_LOUT2_SIGNAL_SELECT , 0 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " LINH1 " , AK4671_LOUT2_SIGNAL_SELECT , 1 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " LINH2 " , AK4671_LOUT2_SIGNAL_SELECT , 2 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " LINH3 " , AK4671_LOUT2_SIGNAL_SELECT , 3 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " LINH4 " , AK4671_LOUT2_SIGNAL_SELECT , 4 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " LOOPHL " , AK4671_LOUT2_SIGNAL_SELECT , 5 , 1 , 0 ) ,
} ;
static const struct snd_kcontrol_new ak4671_rout2_mixer_controls [ ] = {
SOC_DAPM_SINGLE ( " DACHR " , AK4671_ROUT2_SIGNAL_SELECT , 0 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " RINH1 " , AK4671_ROUT2_SIGNAL_SELECT , 1 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " RINH2 " , AK4671_ROUT2_SIGNAL_SELECT , 2 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " RINH3 " , AK4671_ROUT2_SIGNAL_SELECT , 3 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " RINH4 " , AK4671_ROUT2_SIGNAL_SELECT , 4 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " LOOPHR " , AK4671_ROUT2_SIGNAL_SELECT , 5 , 1 , 0 ) ,
} ;
static const struct snd_kcontrol_new ak4671_lout3_mixer_controls [ ] = {
SOC_DAPM_SINGLE ( " DACSL " , AK4671_LOUT3_SIGNAL_SELECT , 0 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " LINS1 " , AK4671_LOUT3_SIGNAL_SELECT , 1 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " LINS2 " , AK4671_LOUT3_SIGNAL_SELECT , 2 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " LINS3 " , AK4671_LOUT3_SIGNAL_SELECT , 3 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " LINS4 " , AK4671_LOUT3_SIGNAL_SELECT , 4 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " LOOPSL " , AK4671_LOUT3_SIGNAL_SELECT , 5 , 1 , 0 ) ,
} ;
static const struct snd_kcontrol_new ak4671_rout3_mixer_controls [ ] = {
SOC_DAPM_SINGLE ( " DACSR " , AK4671_ROUT3_SIGNAL_SELECT , 0 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " RINS1 " , AK4671_ROUT3_SIGNAL_SELECT , 1 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " RINS2 " , AK4671_ROUT3_SIGNAL_SELECT , 2 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " RINS3 " , AK4671_ROUT3_SIGNAL_SELECT , 3 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " RINS4 " , AK4671_ROUT3_SIGNAL_SELECT , 4 , 1 , 0 ) ,
SOC_DAPM_SINGLE ( " LOOPSR " , AK4671_ROUT3_SIGNAL_SELECT , 5 , 1 , 0 ) ,
} ;
/* Input MUXs */
static const char * ak4671_lin_mux_texts [ ] =
{ " LIN1 " , " LIN2 " , " LIN3 " , " LIN4 " } ;
static const struct soc_enum ak4671_lin_mux_enum =
SOC_ENUM_SINGLE ( AK4671_MIC_SIGNAL_SELECT , 0 ,
ARRAY_SIZE ( ak4671_lin_mux_texts ) ,
ak4671_lin_mux_texts ) ;
static const struct snd_kcontrol_new ak4671_lin_mux_control =
SOC_DAPM_ENUM ( " Route " , ak4671_lin_mux_enum ) ;
static const char * ak4671_rin_mux_texts [ ] =
{ " RIN1 " , " RIN2 " , " RIN3 " , " RIN4 " } ;
static const struct soc_enum ak4671_rin_mux_enum =
SOC_ENUM_SINGLE ( AK4671_MIC_SIGNAL_SELECT , 2 ,
ARRAY_SIZE ( ak4671_rin_mux_texts ) ,
ak4671_rin_mux_texts ) ;
static const struct snd_kcontrol_new ak4671_rin_mux_control =
SOC_DAPM_ENUM ( " Route " , ak4671_rin_mux_enum ) ;
static const struct snd_soc_dapm_widget ak4671_dapm_widgets [ ] = {
/* Inputs */
SND_SOC_DAPM_INPUT ( " LIN1 " ) ,
SND_SOC_DAPM_INPUT ( " RIN1 " ) ,
SND_SOC_DAPM_INPUT ( " LIN2 " ) ,
SND_SOC_DAPM_INPUT ( " RIN2 " ) ,
SND_SOC_DAPM_INPUT ( " LIN3 " ) ,
SND_SOC_DAPM_INPUT ( " RIN3 " ) ,
SND_SOC_DAPM_INPUT ( " LIN4 " ) ,
SND_SOC_DAPM_INPUT ( " RIN4 " ) ,
/* Outputs */
SND_SOC_DAPM_OUTPUT ( " LOUT1 " ) ,
SND_SOC_DAPM_OUTPUT ( " ROUT1 " ) ,
SND_SOC_DAPM_OUTPUT ( " LOUT2 " ) ,
SND_SOC_DAPM_OUTPUT ( " ROUT2 " ) ,
SND_SOC_DAPM_OUTPUT ( " LOUT3 " ) ,
SND_SOC_DAPM_OUTPUT ( " ROUT3 " ) ,
/* DAC */
SND_SOC_DAPM_DAC ( " DAC Left " , " Left HiFi Playback " ,
AK4671_AD_DA_POWER_MANAGEMENT , 6 , 0 ) ,
SND_SOC_DAPM_DAC ( " DAC Right " , " Right HiFi Playback " ,
AK4671_AD_DA_POWER_MANAGEMENT , 7 , 0 ) ,
/* ADC */
SND_SOC_DAPM_ADC ( " ADC Left " , " Left HiFi Capture " ,
AK4671_AD_DA_POWER_MANAGEMENT , 4 , 0 ) ,
SND_SOC_DAPM_ADC ( " ADC Right " , " Right HiFi Capture " ,
AK4671_AD_DA_POWER_MANAGEMENT , 5 , 0 ) ,
/* PGA */
SND_SOC_DAPM_PGA ( " LOUT2 Mix Amp " ,
AK4671_LOUT2_POWER_MANAGERMENT , 5 , 0 , NULL , 0 ) ,
SND_SOC_DAPM_PGA ( " ROUT2 Mix Amp " ,
AK4671_LOUT2_POWER_MANAGERMENT , 6 , 0 , NULL , 0 ) ,
SND_SOC_DAPM_PGA ( " LIN1 Mixing Circuit " ,
AK4671_MIXING_POWER_MANAGEMENT1 , 0 , 0 , NULL , 0 ) ,
SND_SOC_DAPM_PGA ( " RIN1 Mixing Circuit " ,
AK4671_MIXING_POWER_MANAGEMENT1 , 1 , 0 , NULL , 0 ) ,
SND_SOC_DAPM_PGA ( " LIN2 Mixing Circuit " ,
AK4671_MIXING_POWER_MANAGEMENT1 , 2 , 0 , NULL , 0 ) ,
SND_SOC_DAPM_PGA ( " RIN2 Mixing Circuit " ,
AK4671_MIXING_POWER_MANAGEMENT1 , 3 , 0 , NULL , 0 ) ,
SND_SOC_DAPM_PGA ( " LIN3 Mixing Circuit " ,
AK4671_MIXING_POWER_MANAGEMENT1 , 4 , 0 , NULL , 0 ) ,
SND_SOC_DAPM_PGA ( " RIN3 Mixing Circuit " ,
AK4671_MIXING_POWER_MANAGEMENT1 , 5 , 0 , NULL , 0 ) ,
SND_SOC_DAPM_PGA ( " LIN4 Mixing Circuit " ,
AK4671_MIXING_POWER_MANAGEMENT1 , 6 , 0 , NULL , 0 ) ,
SND_SOC_DAPM_PGA ( " RIN4 Mixing Circuit " ,
AK4671_MIXING_POWER_MANAGEMENT1 , 7 , 0 , NULL , 0 ) ,
/* Output Mixers */
SND_SOC_DAPM_MIXER ( " LOUT1 Mixer " , AK4671_LOUT1_POWER_MANAGERMENT , 0 , 0 ,
& ak4671_lout1_mixer_controls [ 0 ] ,
ARRAY_SIZE ( ak4671_lout1_mixer_controls ) ) ,
SND_SOC_DAPM_MIXER ( " ROUT1 Mixer " , AK4671_LOUT1_POWER_MANAGERMENT , 1 , 0 ,
& ak4671_rout1_mixer_controls [ 0 ] ,
ARRAY_SIZE ( ak4671_rout1_mixer_controls ) ) ,
SND_SOC_DAPM_MIXER_E ( " LOUT2 Mixer " , AK4671_LOUT2_POWER_MANAGERMENT ,
0 , 0 , & ak4671_lout2_mixer_controls [ 0 ] ,
ARRAY_SIZE ( ak4671_lout2_mixer_controls ) ,
ak4671_out2_event ,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD ) ,
SND_SOC_DAPM_MIXER_E ( " ROUT2 Mixer " , AK4671_LOUT2_POWER_MANAGERMENT ,
1 , 0 , & ak4671_rout2_mixer_controls [ 0 ] ,
ARRAY_SIZE ( ak4671_rout2_mixer_controls ) ,
ak4671_out2_event ,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD ) ,
SND_SOC_DAPM_MIXER ( " LOUT3 Mixer " , AK4671_LOUT3_POWER_MANAGERMENT , 0 , 0 ,
& ak4671_lout3_mixer_controls [ 0 ] ,
ARRAY_SIZE ( ak4671_lout3_mixer_controls ) ) ,
SND_SOC_DAPM_MIXER ( " ROUT3 Mixer " , AK4671_LOUT3_POWER_MANAGERMENT , 1 , 0 ,
& ak4671_rout3_mixer_controls [ 0 ] ,
ARRAY_SIZE ( ak4671_rout3_mixer_controls ) ) ,
/* Input MUXs */
SND_SOC_DAPM_MUX ( " LIN MUX " , AK4671_AD_DA_POWER_MANAGEMENT , 2 , 0 ,
& ak4671_lin_mux_control ) ,
SND_SOC_DAPM_MUX ( " RIN MUX " , AK4671_AD_DA_POWER_MANAGEMENT , 3 , 0 ,
& ak4671_rin_mux_control ) ,
/* Mic Power */
SND_SOC_DAPM_MICBIAS ( " Mic Bias " , AK4671_AD_DA_POWER_MANAGEMENT , 1 , 0 ) ,
/* Supply */
SND_SOC_DAPM_SUPPLY ( " PMPLL " , AK4671_PLL_MODE_SELECT1 , 0 , 0 , NULL , 0 ) ,
} ;
static const struct snd_soc_dapm_route intercon [ ] = {
{ " DAC Left " , " NULL " , " PMPLL " } ,
{ " DAC Right " , " NULL " , " PMPLL " } ,
{ " ADC Left " , " NULL " , " PMPLL " } ,
{ " ADC Right " , " NULL " , " PMPLL " } ,
/* Outputs */
{ " LOUT1 " , " NULL " , " LOUT1 Mixer " } ,
{ " ROUT1 " , " NULL " , " ROUT1 Mixer " } ,
{ " LOUT2 " , " NULL " , " LOUT2 Mix Amp " } ,
{ " ROUT2 " , " NULL " , " ROUT2 Mix Amp " } ,
{ " LOUT3 " , " NULL " , " LOUT3 Mixer " } ,
{ " ROUT3 " , " NULL " , " ROUT3 Mixer " } ,
{ " LOUT1 Mixer " , " DACL " , " DAC Left " } ,
{ " ROUT1 Mixer " , " DACR " , " DAC Right " } ,
{ " LOUT2 Mixer " , " DACHL " , " DAC Left " } ,
{ " ROUT2 Mixer " , " DACHR " , " DAC Right " } ,
{ " LOUT2 Mix Amp " , " NULL " , " LOUT2 Mixer " } ,
{ " ROUT2 Mix Amp " , " NULL " , " ROUT2 Mixer " } ,
{ " LOUT3 Mixer " , " DACSL " , " DAC Left " } ,
{ " ROUT3 Mixer " , " DACSR " , " DAC Right " } ,
/* Inputs */
{ " LIN MUX " , " LIN1 " , " LIN1 " } ,
{ " LIN MUX " , " LIN2 " , " LIN2 " } ,
{ " LIN MUX " , " LIN3 " , " LIN3 " } ,
{ " LIN MUX " , " LIN4 " , " LIN4 " } ,
{ " RIN MUX " , " RIN1 " , " RIN1 " } ,
{ " RIN MUX " , " RIN2 " , " RIN2 " } ,
{ " RIN MUX " , " RIN3 " , " RIN3 " } ,
{ " RIN MUX " , " RIN4 " , " RIN4 " } ,
{ " LIN1 " , NULL , " Mic Bias " } ,
{ " RIN1 " , NULL , " Mic Bias " } ,
{ " LIN2 " , NULL , " Mic Bias " } ,
{ " RIN2 " , NULL , " Mic Bias " } ,
{ " ADC Left " , " NULL " , " LIN MUX " } ,
{ " ADC Right " , " NULL " , " RIN MUX " } ,
/* Analog Loops */
{ " LIN1 Mixing Circuit " , " NULL " , " LIN1 " } ,
{ " RIN1 Mixing Circuit " , " NULL " , " RIN1 " } ,
{ " LIN2 Mixing Circuit " , " NULL " , " LIN2 " } ,
{ " RIN2 Mixing Circuit " , " NULL " , " RIN2 " } ,
{ " LIN3 Mixing Circuit " , " NULL " , " LIN3 " } ,
{ " RIN3 Mixing Circuit " , " NULL " , " RIN3 " } ,
{ " LIN4 Mixing Circuit " , " NULL " , " LIN4 " } ,
{ " RIN4 Mixing Circuit " , " NULL " , " RIN4 " } ,
{ " LOUT1 Mixer " , " LINL1 " , " LIN1 Mixing Circuit " } ,
{ " ROUT1 Mixer " , " RINR1 " , " RIN1 Mixing Circuit " } ,
{ " LOUT2 Mixer " , " LINH1 " , " LIN1 Mixing Circuit " } ,
{ " ROUT2 Mixer " , " RINH1 " , " RIN1 Mixing Circuit " } ,
{ " LOUT3 Mixer " , " LINS1 " , " LIN1 Mixing Circuit " } ,
{ " ROUT3 Mixer " , " RINS1 " , " RIN1 Mixing Circuit " } ,
{ " LOUT1 Mixer " , " LINL2 " , " LIN2 Mixing Circuit " } ,
{ " ROUT1 Mixer " , " RINR2 " , " RIN2 Mixing Circuit " } ,
{ " LOUT2 Mixer " , " LINH2 " , " LIN2 Mixing Circuit " } ,
{ " ROUT2 Mixer " , " RINH2 " , " RIN2 Mixing Circuit " } ,
{ " LOUT3 Mixer " , " LINS2 " , " LIN2 Mixing Circuit " } ,
{ " ROUT3 Mixer " , " RINS2 " , " RIN2 Mixing Circuit " } ,
{ " LOUT1 Mixer " , " LINL3 " , " LIN3 Mixing Circuit " } ,
{ " ROUT1 Mixer " , " RINR3 " , " RIN3 Mixing Circuit " } ,
{ " LOUT2 Mixer " , " LINH3 " , " LIN3 Mixing Circuit " } ,
{ " ROUT2 Mixer " , " RINH3 " , " RIN3 Mixing Circuit " } ,
{ " LOUT3 Mixer " , " LINS3 " , " LIN3 Mixing Circuit " } ,
{ " ROUT3 Mixer " , " RINS3 " , " RIN3 Mixing Circuit " } ,
{ " LOUT1 Mixer " , " LINL4 " , " LIN4 Mixing Circuit " } ,
{ " ROUT1 Mixer " , " RINR4 " , " RIN4 Mixing Circuit " } ,
{ " LOUT2 Mixer " , " LINH4 " , " LIN4 Mixing Circuit " } ,
{ " ROUT2 Mixer " , " RINH4 " , " RIN4 Mixing Circuit " } ,
{ " LOUT3 Mixer " , " LINS4 " , " LIN4 Mixing Circuit " } ,
{ " ROUT3 Mixer " , " RINS4 " , " RIN4 Mixing Circuit " } ,
} ;
static int ak4671_add_widgets ( struct snd_soc_codec * codec )
{
snd_soc_dapm_new_controls ( codec , ak4671_dapm_widgets ,
ARRAY_SIZE ( ak4671_dapm_widgets ) ) ;
snd_soc_dapm_add_routes ( codec , intercon , ARRAY_SIZE ( intercon ) ) ;
return 0 ;
}
static int ak4671_hw_params ( struct snd_pcm_substream * substream ,
struct snd_pcm_hw_params * params ,
struct snd_soc_dai * dai )
{
struct snd_soc_codec * codec = dai - > codec ;
u8 fs ;
fs = snd_soc_read ( codec , AK4671_PLL_MODE_SELECT0 ) ;
fs & = ~ AK4671_FS ;
switch ( params_rate ( params ) ) {
case 8000 :
fs | = AK4671_FS_8KHZ ;
break ;
case 12000 :
fs | = AK4671_FS_12KHZ ;
break ;
case 16000 :
fs | = AK4671_FS_16KHZ ;
break ;
case 24000 :
fs | = AK4671_FS_24KHZ ;
break ;
case 11025 :
fs | = AK4671_FS_11_025KHZ ;
break ;
case 22050 :
fs | = AK4671_FS_22_05KHZ ;
break ;
case 32000 :
fs | = AK4671_FS_32KHZ ;
break ;
case 44100 :
fs | = AK4671_FS_44_1KHZ ;
break ;
case 48000 :
fs | = AK4671_FS_48KHZ ;
break ;
default :
return - EINVAL ;
}
snd_soc_write ( codec , AK4671_PLL_MODE_SELECT0 , fs ) ;
return 0 ;
}
static int ak4671_set_dai_sysclk ( struct snd_soc_dai * dai , int clk_id ,
unsigned int freq , int dir )
{
struct snd_soc_codec * codec = dai - > codec ;
u8 pll ;
pll = snd_soc_read ( codec , AK4671_PLL_MODE_SELECT0 ) ;
pll & = ~ AK4671_PLL ;
switch ( freq ) {
case 11289600 :
pll | = AK4671_PLL_11_2896MHZ ;
break ;
case 12000000 :
pll | = AK4671_PLL_12MHZ ;
break ;
case 12288000 :
pll | = AK4671_PLL_12_288MHZ ;
break ;
case 13000000 :
pll | = AK4671_PLL_13MHZ ;
break ;
case 13500000 :
pll | = AK4671_PLL_13_5MHZ ;
break ;
case 19200000 :
pll | = AK4671_PLL_19_2MHZ ;
break ;
case 24000000 :
pll | = AK4671_PLL_24MHZ ;
break ;
case 26000000 :
pll | = AK4671_PLL_26MHZ ;
break ;
case 27000000 :
pll | = AK4671_PLL_27MHZ ;
break ;
default :
return - EINVAL ;
}
snd_soc_write ( codec , AK4671_PLL_MODE_SELECT0 , pll ) ;
return 0 ;
}
static int ak4671_set_dai_fmt ( struct snd_soc_dai * dai , unsigned int fmt )
{
struct snd_soc_codec * codec = dai - > codec ;
u8 mode ;
u8 format ;
/* set master/slave audio interface */
mode = snd_soc_read ( codec , AK4671_PLL_MODE_SELECT1 ) ;
switch ( fmt & SND_SOC_DAIFMT_MASTER_MASK ) {
case SND_SOC_DAIFMT_CBM_CFM :
mode | = AK4671_M_S ;
break ;
case SND_SOC_DAIFMT_CBM_CFS :
mode & = ~ ( AK4671_M_S ) ;
break ;
default :
return - EINVAL ;
}
/* interface format */
format = snd_soc_read ( codec , AK4671_FORMAT_SELECT ) ;
format & = ~ AK4671_DIF ;
switch ( fmt & SND_SOC_DAIFMT_FORMAT_MASK ) {
case SND_SOC_DAIFMT_I2S :
format | = AK4671_DIF_I2S_MODE ;
break ;
case SND_SOC_DAIFMT_LEFT_J :
format | = AK4671_DIF_MSB_MODE ;
break ;
case SND_SOC_DAIFMT_DSP_A :
format | = AK4671_DIF_DSP_MODE ;
format | = AK4671_BCKP ;
format | = AK4671_MSBS ;
break ;
default :
return - EINVAL ;
}
/* set mode and format */
snd_soc_write ( codec , AK4671_PLL_MODE_SELECT1 , mode ) ;
snd_soc_write ( codec , AK4671_FORMAT_SELECT , format ) ;
return 0 ;
}
static int ak4671_set_bias_level ( struct snd_soc_codec * codec ,
enum snd_soc_bias_level level )
{
u8 reg ;
switch ( level ) {
case SND_SOC_BIAS_ON :
case SND_SOC_BIAS_PREPARE :
case SND_SOC_BIAS_STANDBY :
reg = snd_soc_read ( codec , AK4671_AD_DA_POWER_MANAGEMENT ) ;
snd_soc_write ( codec , AK4671_AD_DA_POWER_MANAGEMENT ,
reg | AK4671_PMVCM ) ;
break ;
case SND_SOC_BIAS_OFF :
snd_soc_write ( codec , AK4671_AD_DA_POWER_MANAGEMENT , 0x00 ) ;
break ;
}
codec - > bias_level = level ;
return 0 ;
}
# define AK4671_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \
SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
SNDRV_PCM_RATE_48000 )
# define AK4671_FORMATS SNDRV_PCM_FMTBIT_S16_LE
static struct snd_soc_dai_ops ak4671_dai_ops = {
. hw_params = ak4671_hw_params ,
. set_sysclk = ak4671_set_dai_sysclk ,
. set_fmt = ak4671_set_dai_fmt ,
} ;
struct snd_soc_dai ak4671_dai = {
. name = " AK4671 " ,
. playback = {
. stream_name = " Playback " ,
. channels_min = 1 ,
. channels_max = 2 ,
. rates = AK4671_RATES ,
. formats = AK4671_FORMATS , } ,
. capture = {
. stream_name = " Capture " ,
. channels_min = 1 ,
. channels_max = 2 ,
. rates = AK4671_RATES ,
. formats = AK4671_FORMATS , } ,
. ops = & ak4671_dai_ops ,
} ;
EXPORT_SYMBOL_GPL ( ak4671_dai ) ;
static int ak4671_probe ( struct platform_device * pdev )
{
struct snd_soc_device * socdev = platform_get_drvdata ( pdev ) ;
struct snd_soc_codec * codec ;
int ret = 0 ;
if ( ak4671_codec = = NULL ) {
dev_err ( & pdev - > dev , " Codec device not registered \n " ) ;
return - ENODEV ;
}
socdev - > card - > codec = ak4671_codec ;
codec = ak4671_codec ;
/* register pcms */
ret = snd_soc_new_pcms ( socdev , SNDRV_DEFAULT_IDX1 , SNDRV_DEFAULT_STR1 ) ;
if ( ret < 0 ) {
dev_err ( codec - > dev , " failed to create pcms: %d \n " , ret ) ;
goto pcm_err ;
}
snd_soc_add_controls ( codec , ak4671_snd_controls ,
ARRAY_SIZE ( ak4671_snd_controls ) ) ;
ak4671_add_widgets ( codec ) ;
ak4671_set_bias_level ( codec , SND_SOC_BIAS_STANDBY ) ;
return ret ;
pcm_err :
return ret ;
}
static int ak4671_remove ( struct platform_device * pdev )
{
struct snd_soc_device * socdev = platform_get_drvdata ( pdev ) ;
snd_soc_free_pcms ( socdev ) ;
snd_soc_dapm_free ( socdev ) ;
return 0 ;
}
struct snd_soc_codec_device soc_codec_dev_ak4671 = {
. probe = ak4671_probe ,
. remove = ak4671_remove ,
} ;
EXPORT_SYMBOL_GPL ( soc_codec_dev_ak4671 ) ;
static int ak4671_register ( struct ak4671_priv * ak4671 ,
enum snd_soc_control_type control )
{
int ret ;
struct snd_soc_codec * codec = & ak4671 - > codec ;
if ( ak4671_codec ) {
dev_err ( codec - > dev , " Another AK4671 is registered \n " ) ;
ret = - EINVAL ;
goto err ;
}
mutex_init ( & codec - > mutex ) ;
INIT_LIST_HEAD ( & codec - > dapm_widgets ) ;
INIT_LIST_HEAD ( & codec - > dapm_paths ) ;
2010-04-14 15:35:19 +09:00
snd_soc_codec_set_drvdata ( codec , ak4671 ) ;
2009-09-10 00:12:43 +09:00
codec - > name = " AK4671 " ;
codec - > owner = THIS_MODULE ;
codec - > bias_level = SND_SOC_BIAS_OFF ;
codec - > set_bias_level = ak4671_set_bias_level ;
codec - > dai = & ak4671_dai ;
codec - > num_dai = 1 ;
codec - > reg_cache_size = AK4671_CACHEREGNUM ;
codec - > reg_cache = & ak4671 - > reg_cache ;
memcpy ( codec - > reg_cache , ak4671_reg , sizeof ( ak4671_reg ) ) ;
ret = snd_soc_codec_set_cache_io ( codec , 8 , 8 , control ) ;
if ( ret < 0 ) {
dev_err ( codec - > dev , " Failed to set cache I/O: %d \n " , ret ) ;
goto err ;
}
ak4671_dai . dev = codec - > dev ;
ak4671_codec = codec ;
ret = snd_soc_register_codec ( codec ) ;
if ( ret ! = 0 ) {
dev_err ( codec - > dev , " Failed to register codec: %d \n " , ret ) ;
goto err ;
}
ret = snd_soc_register_dai ( & ak4671_dai ) ;
if ( ret ! = 0 ) {
dev_err ( codec - > dev , " Failed to register DAI: %d \n " , ret ) ;
goto err_codec ;
}
return 0 ;
err_codec :
snd_soc_unregister_codec ( codec ) ;
err :
kfree ( ak4671 ) ;
return ret ;
}
static void ak4671_unregister ( struct ak4671_priv * ak4671 )
{
ak4671_set_bias_level ( & ak4671 - > codec , SND_SOC_BIAS_OFF ) ;
snd_soc_unregister_dai ( & ak4671_dai ) ;
snd_soc_unregister_codec ( & ak4671 - > codec ) ;
kfree ( ak4671 ) ;
ak4671_codec = NULL ;
}
static int __devinit ak4671_i2c_probe ( struct i2c_client * client ,
const struct i2c_device_id * id )
{
struct ak4671_priv * ak4671 ;
struct snd_soc_codec * codec ;
ak4671 = kzalloc ( sizeof ( struct ak4671_priv ) , GFP_KERNEL ) ;
if ( ak4671 = = NULL )
return - ENOMEM ;
codec = & ak4671 - > codec ;
codec - > hw_write = ( hw_write_t ) i2c_master_send ;
i2c_set_clientdata ( client , ak4671 ) ;
codec - > control_data = client ;
codec - > dev = & client - > dev ;
return ak4671_register ( ak4671 , SND_SOC_I2C ) ;
}
static __devexit int ak4671_i2c_remove ( struct i2c_client * client )
{
struct ak4671_priv * ak4671 = i2c_get_clientdata ( client ) ;
ak4671_unregister ( ak4671 ) ;
return 0 ;
}
static const struct i2c_device_id ak4671_i2c_id [ ] = {
{ " ak4671 " , 0 } ,
{ }
} ;
MODULE_DEVICE_TABLE ( i2c , ak4671_i2c_id ) ;
static struct i2c_driver ak4671_i2c_driver = {
. driver = {
. name = " ak4671 " ,
. owner = THIS_MODULE ,
} ,
. probe = ak4671_i2c_probe ,
. remove = __devexit_p ( ak4671_i2c_remove ) ,
. id_table = ak4671_i2c_id ,
} ;
static int __init ak4671_modinit ( void )
{
return i2c_add_driver ( & ak4671_i2c_driver ) ;
}
module_init ( ak4671_modinit ) ;
static void __exit ak4671_exit ( void )
{
i2c_del_driver ( & ak4671_i2c_driver ) ;
}
module_exit ( ak4671_exit ) ;
MODULE_DESCRIPTION ( " ASoC AK4671 codec driver " ) ;
MODULE_AUTHOR ( " Joonyoung Shim <jy0922.shim@samsung.com> " ) ;
MODULE_LICENSE ( " GPL " ) ;