| /* |
| * 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); |
| |
| snd_soc_codec_set_drvdata(codec, ak4671); |
| 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"); |
