diff options
Diffstat (limited to 'sound/soc/codecs/nau8540.c')
| -rw-r--r-- | sound/soc/codecs/nau8540.c | 1224 |
1 files changed, 612 insertions, 612 deletions
diff --git a/sound/soc/codecs/nau8540.c b/sound/soc/codecs/nau8540.c index 9e8f0f4aa51a..c8bcb1db966d 100644 --- a/sound/soc/codecs/nau8540.c +++ b/sound/soc/codecs/nau8540.c @@ -39,147 +39,147 @@ /* scaling for mclk from sysclk_src output */ static const struct nau8540_fll_attr mclk_src_scaling[] = { - { 1, 0x0 }, - { 2, 0x2 }, - { 4, 0x3 }, - { 8, 0x4 }, - { 16, 0x5 }, - { 32, 0x6 }, - { 3, 0x7 }, - { 6, 0xa }, - { 12, 0xb }, - { 24, 0xc }, + { 1, 0x0 }, + { 2, 0x2 }, + { 4, 0x3 }, + { 8, 0x4 }, + { 16, 0x5 }, + { 32, 0x6 }, + { 3, 0x7 }, + { 6, 0xa }, + { 12, 0xb }, + { 24, 0xc }, }; /* ratio for input clk freq */ static const struct nau8540_fll_attr fll_ratio[] = { - { 512000, 0x01 }, - { 256000, 0x02 }, - { 128000, 0x04 }, - { 64000, 0x08 }, - { 32000, 0x10 }, - { 8000, 0x20 }, - { 4000, 0x40 }, + { 512000, 0x01 }, + { 256000, 0x02 }, + { 128000, 0x04 }, + { 64000, 0x08 }, + { 32000, 0x10 }, + { 8000, 0x20 }, + { 4000, 0x40 }, }; static const struct nau8540_fll_attr fll_pre_scalar[] = { - { 1, 0x0 }, - { 2, 0x1 }, - { 4, 0x2 }, - { 8, 0x3 }, + { 1, 0x0 }, + { 2, 0x1 }, + { 4, 0x2 }, + { 8, 0x3 }, }; /* over sampling rate */ static const struct nau8540_osr_attr osr_adc_sel[] = { - { 32, 3 }, /* OSR 32, SRC 1/8 */ - { 64, 2 }, /* OSR 64, SRC 1/4 */ - { 128, 1 }, /* OSR 128, SRC 1/2 */ - { 256, 0 }, /* OSR 256, SRC 1 */ + { 32, 3 }, /* OSR 32, SRC 1/8 */ + { 64, 2 }, /* OSR 64, SRC 1/4 */ + { 128, 1 }, /* OSR 128, SRC 1/2 */ + { 256, 0 }, /* OSR 256, SRC 1 */ }; static const struct reg_default nau8540_reg_defaults[] = { - {NAU8540_REG_POWER_MANAGEMENT, 0x0000}, - {NAU8540_REG_CLOCK_CTRL, 0x0000}, - {NAU8540_REG_CLOCK_SRC, 0x0000}, - {NAU8540_REG_FLL1, 0x0001}, - {NAU8540_REG_FLL2, 0x3126}, - {NAU8540_REG_FLL3, 0x0008}, - {NAU8540_REG_FLL4, 0x0010}, - {NAU8540_REG_FLL5, 0xC000}, - {NAU8540_REG_FLL6, 0x6000}, - {NAU8540_REG_FLL_VCO_RSV, 0xF13C}, - {NAU8540_REG_PCM_CTRL0, 0x000B}, - {NAU8540_REG_PCM_CTRL1, 0x3010}, - {NAU8540_REG_PCM_CTRL2, 0x0800}, - {NAU8540_REG_PCM_CTRL3, 0x0000}, - {NAU8540_REG_PCM_CTRL4, 0x000F}, - {NAU8540_REG_ALC_CONTROL_1, 0x0000}, - {NAU8540_REG_ALC_CONTROL_2, 0x700B}, - {NAU8540_REG_ALC_CONTROL_3, 0x0022}, - {NAU8540_REG_ALC_CONTROL_4, 0x1010}, - {NAU8540_REG_ALC_CONTROL_5, 0x1010}, - {NAU8540_REG_NOTCH_FIL1_CH1, 0x0000}, - {NAU8540_REG_NOTCH_FIL2_CH1, 0x0000}, - {NAU8540_REG_NOTCH_FIL1_CH2, 0x0000}, - {NAU8540_REG_NOTCH_FIL2_CH2, 0x0000}, - {NAU8540_REG_NOTCH_FIL1_CH3, 0x0000}, - {NAU8540_REG_NOTCH_FIL2_CH3, 0x0000}, - {NAU8540_REG_NOTCH_FIL1_CH4, 0x0000}, - {NAU8540_REG_NOTCH_FIL2_CH4, 0x0000}, - {NAU8540_REG_HPF_FILTER_CH12, 0x0000}, - {NAU8540_REG_HPF_FILTER_CH34, 0x0000}, - {NAU8540_REG_ADC_SAMPLE_RATE, 0x0002}, - {NAU8540_REG_DIGITAL_GAIN_CH1, 0x0400}, - {NAU8540_REG_DIGITAL_GAIN_CH2, 0x0400}, - {NAU8540_REG_DIGITAL_GAIN_CH3, 0x0400}, - {NAU8540_REG_DIGITAL_GAIN_CH4, 0x0400}, - {NAU8540_REG_DIGITAL_MUX, 0x00E4}, - {NAU8540_REG_GPIO_CTRL, 0x0000}, - {NAU8540_REG_MISC_CTRL, 0x0000}, - {NAU8540_REG_I2C_CTRL, 0xEFFF}, - {NAU8540_REG_VMID_CTRL, 0x0000}, - {NAU8540_REG_MUTE, 0x0000}, - {NAU8540_REG_ANALOG_ADC1, 0x0011}, - {NAU8540_REG_ANALOG_ADC2, 0x0020}, - {NAU8540_REG_ANALOG_PWR, 0x0000}, - {NAU8540_REG_MIC_BIAS, 0x0004}, - {NAU8540_REG_REFERENCE, 0x0000}, - {NAU8540_REG_FEPGA1, 0x0000}, - {NAU8540_REG_FEPGA2, 0x0000}, - {NAU8540_REG_FEPGA3, 0x0101}, - {NAU8540_REG_FEPGA4, 0x0101}, - {NAU8540_REG_PWR, 0x0000}, + {NAU8540_REG_POWER_MANAGEMENT, 0x0000}, + {NAU8540_REG_CLOCK_CTRL, 0x0000}, + {NAU8540_REG_CLOCK_SRC, 0x0000}, + {NAU8540_REG_FLL1, 0x0001}, + {NAU8540_REG_FLL2, 0x3126}, + {NAU8540_REG_FLL3, 0x0008}, + {NAU8540_REG_FLL4, 0x0010}, + {NAU8540_REG_FLL5, 0xC000}, + {NAU8540_REG_FLL6, 0x6000}, + {NAU8540_REG_FLL_VCO_RSV, 0xF13C}, + {NAU8540_REG_PCM_CTRL0, 0x000B}, + {NAU8540_REG_PCM_CTRL1, 0x3010}, + {NAU8540_REG_PCM_CTRL2, 0x0800}, + {NAU8540_REG_PCM_CTRL3, 0x0000}, + {NAU8540_REG_PCM_CTRL4, 0x000F}, + {NAU8540_REG_ALC_CONTROL_1, 0x0000}, + {NAU8540_REG_ALC_CONTROL_2, 0x700B}, + {NAU8540_REG_ALC_CONTROL_3, 0x0022}, + {NAU8540_REG_ALC_CONTROL_4, 0x1010}, + {NAU8540_REG_ALC_CONTROL_5, 0x1010}, + {NAU8540_REG_NOTCH_FIL1_CH1, 0x0000}, + {NAU8540_REG_NOTCH_FIL2_CH1, 0x0000}, + {NAU8540_REG_NOTCH_FIL1_CH2, 0x0000}, + {NAU8540_REG_NOTCH_FIL2_CH2, 0x0000}, + {NAU8540_REG_NOTCH_FIL1_CH3, 0x0000}, + {NAU8540_REG_NOTCH_FIL2_CH3, 0x0000}, + {NAU8540_REG_NOTCH_FIL1_CH4, 0x0000}, + {NAU8540_REG_NOTCH_FIL2_CH4, 0x0000}, + {NAU8540_REG_HPF_FILTER_CH12, 0x0000}, + {NAU8540_REG_HPF_FILTER_CH34, 0x0000}, + {NAU8540_REG_ADC_SAMPLE_RATE, 0x0002}, + {NAU8540_REG_DIGITAL_GAIN_CH1, 0x0400}, + {NAU8540_REG_DIGITAL_GAIN_CH2, 0x0400}, + {NAU8540_REG_DIGITAL_GAIN_CH3, 0x0400}, + {NAU8540_REG_DIGITAL_GAIN_CH4, 0x0400}, + {NAU8540_REG_DIGITAL_MUX, 0x00E4}, + {NAU8540_REG_GPIO_CTRL, 0x0000}, + {NAU8540_REG_MISC_CTRL, 0x0000}, + {NAU8540_REG_I2C_CTRL, 0xEFFF}, + {NAU8540_REG_VMID_CTRL, 0x0000}, + {NAU8540_REG_MUTE, 0x0000}, + {NAU8540_REG_ANALOG_ADC1, 0x0011}, + {NAU8540_REG_ANALOG_ADC2, 0x0020}, + {NAU8540_REG_ANALOG_PWR, 0x0000}, + {NAU8540_REG_MIC_BIAS, 0x0004}, + {NAU8540_REG_REFERENCE, 0x0000}, + {NAU8540_REG_FEPGA1, 0x0000}, + {NAU8540_REG_FEPGA2, 0x0000}, + {NAU8540_REG_FEPGA3, 0x0101}, + {NAU8540_REG_FEPGA4, 0x0101}, + {NAU8540_REG_PWR, 0x0000}, }; static bool nau8540_readable_reg(struct device *dev, unsigned int reg) { - switch (reg) { - case NAU8540_REG_POWER_MANAGEMENT ... NAU8540_REG_FLL_VCO_RSV: - case NAU8540_REG_PCM_CTRL0 ... NAU8540_REG_PCM_CTRL4: - case NAU8540_REG_ALC_CONTROL_1 ... NAU8540_REG_ALC_CONTROL_5: - case NAU8540_REG_ALC_GAIN_CH12 ... NAU8540_REG_ADC_SAMPLE_RATE: - case NAU8540_REG_DIGITAL_GAIN_CH1 ... NAU8540_REG_DIGITAL_MUX: - case NAU8540_REG_P2P_CH1 ... NAU8540_REG_I2C_CTRL: - case NAU8540_REG_I2C_DEVICE_ID: - case NAU8540_REG_VMID_CTRL ... NAU8540_REG_MUTE: - case NAU8540_REG_ANALOG_ADC1 ... NAU8540_REG_PWR: - return true; - default: - return false; - } + switch (reg) { + case NAU8540_REG_POWER_MANAGEMENT ... NAU8540_REG_FLL_VCO_RSV: + case NAU8540_REG_PCM_CTRL0 ... NAU8540_REG_PCM_CTRL4: + case NAU8540_REG_ALC_CONTROL_1 ... NAU8540_REG_ALC_CONTROL_5: + case NAU8540_REG_ALC_GAIN_CH12 ... NAU8540_REG_ADC_SAMPLE_RATE: + case NAU8540_REG_DIGITAL_GAIN_CH1 ... NAU8540_REG_DIGITAL_MUX: + case NAU8540_REG_P2P_CH1 ... NAU8540_REG_I2C_CTRL: + case NAU8540_REG_I2C_DEVICE_ID: + case NAU8540_REG_VMID_CTRL ... NAU8540_REG_MUTE: + case NAU8540_REG_ANALOG_ADC1 ... NAU8540_REG_PWR: + return true; + default: + return false; + } } static bool nau8540_writeable_reg(struct device *dev, unsigned int reg) { - switch (reg) { - case NAU8540_REG_SW_RESET ... NAU8540_REG_FLL_VCO_RSV: - case NAU8540_REG_PCM_CTRL0 ... NAU8540_REG_PCM_CTRL4: - case NAU8540_REG_ALC_CONTROL_1 ... NAU8540_REG_ALC_CONTROL_5: - case NAU8540_REG_NOTCH_FIL1_CH1 ... NAU8540_REG_ADC_SAMPLE_RATE: - case NAU8540_REG_DIGITAL_GAIN_CH1 ... NAU8540_REG_DIGITAL_MUX: - case NAU8540_REG_GPIO_CTRL ... NAU8540_REG_I2C_CTRL: - case NAU8540_REG_RST: - case NAU8540_REG_VMID_CTRL ... NAU8540_REG_MUTE: - case NAU8540_REG_ANALOG_ADC1 ... NAU8540_REG_PWR: - return true; - default: - return false; - } + switch (reg) { + case NAU8540_REG_SW_RESET ... NAU8540_REG_FLL_VCO_RSV: + case NAU8540_REG_PCM_CTRL0 ... NAU8540_REG_PCM_CTRL4: + case NAU8540_REG_ALC_CONTROL_1 ... NAU8540_REG_ALC_CONTROL_5: + case NAU8540_REG_NOTCH_FIL1_CH1 ... NAU8540_REG_ADC_SAMPLE_RATE: + case NAU8540_REG_DIGITAL_GAIN_CH1 ... NAU8540_REG_DIGITAL_MUX: + case NAU8540_REG_GPIO_CTRL ... NAU8540_REG_I2C_CTRL: + case NAU8540_REG_RST: + case NAU8540_REG_VMID_CTRL ... NAU8540_REG_MUTE: + case NAU8540_REG_ANALOG_ADC1 ... NAU8540_REG_PWR: + return true; + default: + return false; + } } static bool nau8540_volatile_reg(struct device *dev, unsigned int reg) { - switch (reg) { - case NAU8540_REG_SW_RESET: - case NAU8540_REG_ALC_GAIN_CH12 ... NAU8540_REG_ALC_STATUS: - case NAU8540_REG_P2P_CH1 ... NAU8540_REG_PEAK_CH4: - case NAU8540_REG_I2C_DEVICE_ID: - case NAU8540_REG_RST: - return true; - default: - return false; - } + switch (reg) { + case NAU8540_REG_SW_RESET: + case NAU8540_REG_ALC_GAIN_CH12 ... NAU8540_REG_ALC_STATUS: + case NAU8540_REG_P2P_CH1 ... NAU8540_REG_PEAK_CH4: + case NAU8540_REG_I2C_DEVICE_ID: + case NAU8540_REG_RST: + return true; + default: + return false; + } } @@ -187,255 +187,255 @@ static const DECLARE_TLV_DB_MINMAX(adc_vol_tlv, -12800, 3600); static const DECLARE_TLV_DB_MINMAX(fepga_gain_tlv, -100, 3600); static const struct snd_kcontrol_new nau8540_snd_controls[] = { - SOC_SINGLE_TLV("Mic1 Volume", NAU8540_REG_DIGITAL_GAIN_CH1, - 0, 0x520, 0, adc_vol_tlv), - SOC_SINGLE_TLV("Mic2 Volume", NAU8540_REG_DIGITAL_GAIN_CH2, - 0, 0x520, 0, adc_vol_tlv), - SOC_SINGLE_TLV("Mic3 Volume", NAU8540_REG_DIGITAL_GAIN_CH3, - 0, 0x520, 0, adc_vol_tlv), - SOC_SINGLE_TLV("Mic4 Volume", NAU8540_REG_DIGITAL_GAIN_CH4, - 0, 0x520, 0, adc_vol_tlv), - - SOC_SINGLE_TLV("Frontend PGA1 Volume", NAU8540_REG_FEPGA3, - 0, 0x25, 0, fepga_gain_tlv), - SOC_SINGLE_TLV("Frontend PGA2 Volume", NAU8540_REG_FEPGA3, - 8, 0x25, 0, fepga_gain_tlv), - SOC_SINGLE_TLV("Frontend PGA3 Volume", NAU8540_REG_FEPGA4, - 0, 0x25, 0, fepga_gain_tlv), - SOC_SINGLE_TLV("Frontend PGA4 Volume", NAU8540_REG_FEPGA4, - 8, 0x25, 0, fepga_gain_tlv), + SOC_SINGLE_TLV("Mic1 Volume", NAU8540_REG_DIGITAL_GAIN_CH1, + 0, 0x520, 0, adc_vol_tlv), + SOC_SINGLE_TLV("Mic2 Volume", NAU8540_REG_DIGITAL_GAIN_CH2, + 0, 0x520, 0, adc_vol_tlv), + SOC_SINGLE_TLV("Mic3 Volume", NAU8540_REG_DIGITAL_GAIN_CH3, + 0, 0x520, 0, adc_vol_tlv), + SOC_SINGLE_TLV("Mic4 Volume", NAU8540_REG_DIGITAL_GAIN_CH4, + 0, 0x520, 0, adc_vol_tlv), + + SOC_SINGLE_TLV("Frontend PGA1 Volume", NAU8540_REG_FEPGA3, + 0, 0x25, 0, fepga_gain_tlv), + SOC_SINGLE_TLV("Frontend PGA2 Volume", NAU8540_REG_FEPGA3, + 8, 0x25, 0, fepga_gain_tlv), + SOC_SINGLE_TLV("Frontend PGA3 Volume", NAU8540_REG_FEPGA4, + 0, 0x25, 0, fepga_gain_tlv), + SOC_SINGLE_TLV("Frontend PGA4 Volume", NAU8540_REG_FEPGA4, + 8, 0x25, 0, fepga_gain_tlv), }; static const char * const adc_channel[] = { - "ADC channel 1", "ADC channel 2", "ADC channel 3", "ADC channel 4" + "ADC channel 1", "ADC channel 2", "ADC channel 3", "ADC channel 4" }; static SOC_ENUM_SINGLE_DECL( - digital_ch4_enum, NAU8540_REG_DIGITAL_MUX, 6, adc_channel); + digital_ch4_enum, NAU8540_REG_DIGITAL_MUX, 6, adc_channel); static const struct snd_kcontrol_new digital_ch4_mux = - SOC_DAPM_ENUM("Digital CH4 Select", digital_ch4_enum); + SOC_DAPM_ENUM("Digital CH4 Select", digital_ch4_enum); static SOC_ENUM_SINGLE_DECL( - digital_ch3_enum, NAU8540_REG_DIGITAL_MUX, 4, adc_channel); + digital_ch3_enum, NAU8540_REG_DIGITAL_MUX, 4, adc_channel); static const struct snd_kcontrol_new digital_ch3_mux = - SOC_DAPM_ENUM("Digital CH3 Select", digital_ch3_enum); + SOC_DAPM_ENUM("Digital CH3 Select", digital_ch3_enum); static SOC_ENUM_SINGLE_DECL( - digital_ch2_enum, NAU8540_REG_DIGITAL_MUX, 2, adc_channel); + digital_ch2_enum, NAU8540_REG_DIGITAL_MUX, 2, adc_channel); static const struct snd_kcontrol_new digital_ch2_mux = - SOC_DAPM_ENUM("Digital CH2 Select", digital_ch2_enum); + SOC_DAPM_ENUM("Digital CH2 Select", digital_ch2_enum); static SOC_ENUM_SINGLE_DECL( - digital_ch1_enum, NAU8540_REG_DIGITAL_MUX, 0, adc_channel); + digital_ch1_enum, NAU8540_REG_DIGITAL_MUX, 0, adc_channel); static const struct snd_kcontrol_new digital_ch1_mux = - SOC_DAPM_ENUM("Digital CH1 Select", digital_ch1_enum); + SOC_DAPM_ENUM("Digital CH1 Select", digital_ch1_enum); static const struct snd_soc_dapm_widget nau8540_dapm_widgets[] = { - SND_SOC_DAPM_SUPPLY("MICBIAS2", NAU8540_REG_MIC_BIAS, 11, 0, NULL, 0), - SND_SOC_DAPM_SUPPLY("MICBIAS1", NAU8540_REG_MIC_BIAS, 10, 0, NULL, 0), - - SND_SOC_DAPM_INPUT("MIC1"), - SND_SOC_DAPM_INPUT("MIC2"), - SND_SOC_DAPM_INPUT("MIC3"), - SND_SOC_DAPM_INPUT("MIC4"), - - SND_SOC_DAPM_PGA("Frontend PGA1", NAU8540_REG_PWR, 12, 0, NULL, 0), - SND_SOC_DAPM_PGA("Frontend PGA2", NAU8540_REG_PWR, 13, 0, NULL, 0), - SND_SOC_DAPM_PGA("Frontend PGA3", NAU8540_REG_PWR, 14, 0, NULL, 0), - SND_SOC_DAPM_PGA("Frontend PGA4", NAU8540_REG_PWR, 15, 0, NULL, 0), - - SND_SOC_DAPM_ADC("ADC1", NULL, - NAU8540_REG_POWER_MANAGEMENT, 0, 0), - SND_SOC_DAPM_ADC("ADC2", NULL, - NAU8540_REG_POWER_MANAGEMENT, 1, 0), - SND_SOC_DAPM_ADC("ADC3", NULL, - NAU8540_REG_POWER_MANAGEMENT, 2, 0), - SND_SOC_DAPM_ADC("ADC4", NULL, - NAU8540_REG_POWER_MANAGEMENT, 3, 0), - - SND_SOC_DAPM_PGA("ADC CH1", NAU8540_REG_ANALOG_PWR, 0, 0, NULL, 0), - SND_SOC_DAPM_PGA("ADC CH2", NAU8540_REG_ANALOG_PWR, 1, 0, NULL, 0), - SND_SOC_DAPM_PGA("ADC CH3", NAU8540_REG_ANALOG_PWR, 2, 0, NULL, 0), - SND_SOC_DAPM_PGA("ADC CH4", NAU8540_REG_ANALOG_PWR, 3, 0, NULL, 0), - - SND_SOC_DAPM_MUX("Digital CH4 Mux", - SND_SOC_NOPM, 0, 0, &digital_ch4_mux), - SND_SOC_DAPM_MUX("Digital CH3 Mux", - SND_SOC_NOPM, 0, 0, &digital_ch3_mux), - SND_SOC_DAPM_MUX("Digital CH2 Mux", - SND_SOC_NOPM, 0, 0, &digital_ch2_mux), - SND_SOC_DAPM_MUX("Digital CH1 Mux", - SND_SOC_NOPM, 0, 0, &digital_ch1_mux), - - SND_SOC_DAPM_AIF_OUT("AIFTX", "Capture", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_SUPPLY("MICBIAS2", NAU8540_REG_MIC_BIAS, 11, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("MICBIAS1", NAU8540_REG_MIC_BIAS, 10, 0, NULL, 0), + + SND_SOC_DAPM_INPUT("MIC1"), + SND_SOC_DAPM_INPUT("MIC2"), + SND_SOC_DAPM_INPUT("MIC3"), + SND_SOC_DAPM_INPUT("MIC4"), + + SND_SOC_DAPM_PGA("Frontend PGA1", NAU8540_REG_PWR, 12, 0, NULL, 0), + SND_SOC_DAPM_PGA("Frontend PGA2", NAU8540_REG_PWR, 13, 0, NULL, 0), + SND_SOC_DAPM_PGA("Frontend PGA3", NAU8540_REG_PWR, 14, 0, NULL, 0), + SND_SOC_DAPM_PGA("Frontend PGA4", NAU8540_REG_PWR, 15, 0, NULL, 0), + + SND_SOC_DAPM_ADC("ADC1", NULL, + NAU8540_REG_POWER_MANAGEMENT, 0, 0), + SND_SOC_DAPM_ADC("ADC2", NULL, + NAU8540_REG_POWER_MANAGEMENT, 1, 0), + SND_SOC_DAPM_ADC("ADC3", NULL, + NAU8540_REG_POWER_MANAGEMENT, 2, 0), + SND_SOC_DAPM_ADC("ADC4", NULL, + NAU8540_REG_POWER_MANAGEMENT, 3, 0), + + SND_SOC_DAPM_PGA("ADC CH1", NAU8540_REG_ANALOG_PWR, 0, 0, NULL, 0), + SND_SOC_DAPM_PGA("ADC CH2", NAU8540_REG_ANALOG_PWR, 1, 0, NULL, 0), + SND_SOC_DAPM_PGA("ADC CH3", NAU8540_REG_ANALOG_PWR, 2, 0, NULL, 0), + SND_SOC_DAPM_PGA("ADC CH4", NAU8540_REG_ANALOG_PWR, 3, 0, NULL, 0), + + SND_SOC_DAPM_MUX("Digital CH4 Mux", + SND_SOC_NOPM, 0, 0, &digital_ch4_mux), + SND_SOC_DAPM_MUX("Digital CH3 Mux", + SND_SOC_NOPM, 0, 0, &digital_ch3_mux), + SND_SOC_DAPM_MUX("Digital CH2 Mux", + SND_SOC_NOPM, 0, 0, &digital_ch2_mux), + SND_SOC_DAPM_MUX("Digital CH1 Mux", + SND_SOC_NOPM, 0, 0, &digital_ch1_mux), + + SND_SOC_DAPM_AIF_OUT("AIFTX", "Capture", 0, SND_SOC_NOPM, 0, 0), }; static const struct snd_soc_dapm_route nau8540_dapm_routes[] = { - {"Frontend PGA1", NULL, "MIC1"}, - {"Frontend PGA2", NULL, "MIC2"}, - {"Frontend PGA3", NULL, "MIC3"}, - {"Frontend PGA4", NULL, "MIC4"}, - - {"ADC1", NULL, "Frontend PGA1"}, - {"ADC2", NULL, "Frontend PGA2"}, - {"ADC3", NULL, "Frontend PGA3"}, - {"ADC4", NULL, "Frontend PGA4"}, - - {"ADC CH1", NULL, "ADC1"}, - {"ADC CH2", NULL, "ADC2"}, - {"ADC CH3", NULL, "ADC3"}, - {"ADC CH4", NULL, "ADC4"}, - - {"ADC1", NULL, "MICBIAS1"}, - {"ADC2", NULL, "MICBIAS1"}, - {"ADC3", NULL, "MICBIAS2"}, - {"ADC4", NULL, "MICBIAS2"}, - - {"Digital CH1 Mux", "ADC channel 1", "ADC CH1"}, - {"Digital CH1 Mux", "ADC channel 2", "ADC CH2"}, - {"Digital CH1 Mux", "ADC channel 3", "ADC CH3"}, - {"Digital CH1 Mux", "ADC channel 4", "ADC CH4"}, - - {"Digital CH2 Mux", "ADC channel 1", "ADC CH1"}, - {"Digital CH2 Mux", "ADC channel 2", "ADC CH2"}, - {"Digital CH2 Mux", "ADC channel 3", "ADC CH3"}, - {"Digital CH2 Mux", "ADC channel 4", "ADC CH4"}, - - {"Digital CH3 Mux", "ADC channel 1", "ADC CH1"}, - {"Digital CH3 Mux", "ADC channel 2", "ADC CH2"}, - {"Digital CH3 Mux", "ADC channel 3", "ADC CH3"}, - {"Digital CH3 Mux", "ADC channel 4", "ADC CH4"}, - - {"Digital CH4 Mux", "ADC channel 1", "ADC CH1"}, - {"Digital CH4 Mux", "ADC channel 2", "ADC CH2"}, - {"Digital CH4 Mux", "ADC channel 3", "ADC CH3"}, - {"Digital CH4 Mux", "ADC channel 4", "ADC CH4"}, - - {"AIFTX", NULL, "Digital CH1 Mux"}, - {"AIFTX", NULL, "Digital CH2 Mux"}, - {"AIFTX", NULL, "Digital CH3 Mux"}, - {"AIFTX", NULL, "Digital CH4 Mux"}, + {"Frontend PGA1", NULL, "MIC1"}, + {"Frontend PGA2", NULL, "MIC2"}, + {"Frontend PGA3", NULL, "MIC3"}, + {"Frontend PGA4", NULL, "MIC4"}, + + {"ADC1", NULL, "Frontend PGA1"}, + {"ADC2", NULL, "Frontend PGA2"}, + {"ADC3", NULL, "Frontend PGA3"}, + {"ADC4", NULL, "Frontend PGA4"}, + + {"ADC CH1", NULL, "ADC1"}, + {"ADC CH2", NULL, "ADC2"}, + {"ADC CH3", NULL, "ADC3"}, + {"ADC CH4", NULL, "ADC4"}, + + {"ADC1", NULL, "MICBIAS1"}, + {"ADC2", NULL, "MICBIAS1"}, + {"ADC3", NULL, "MICBIAS2"}, + {"ADC4", NULL, "MICBIAS2"}, + + {"Digital CH1 Mux", "ADC channel 1", "ADC CH1"}, + {"Digital CH1 Mux", "ADC channel 2", "ADC CH2"}, + {"Digital CH1 Mux", "ADC channel 3", "ADC CH3"}, + {"Digital CH1 Mux", "ADC channel 4", "ADC CH4"}, + + {"Digital CH2 Mux", "ADC channel 1", "ADC CH1"}, + {"Digital CH2 Mux", "ADC channel 2", "ADC CH2"}, + {"Digital CH2 Mux", "ADC channel 3", "ADC CH3"}, + {"Digital CH2 Mux", "ADC channel 4", "ADC CH4"}, + + {"Digital CH3 Mux", "ADC channel 1", "ADC CH1"}, + {"Digital CH3 Mux", "ADC channel 2", "ADC CH2"}, + {"Digital CH3 Mux", "ADC channel 3", "ADC CH3"}, + {"Digital CH3 Mux", "ADC channel 4", "ADC CH4"}, + + {"Digital CH4 Mux", "ADC channel 1", "ADC CH1"}, + {"Digital CH4 Mux", "ADC channel 2", "ADC CH2"}, + {"Digital CH4 Mux", "ADC channel 3", "ADC CH3"}, + {"Digital CH4 Mux", "ADC channel 4", "ADC CH4"}, + + {"AIFTX", NULL, "Digital CH1 Mux"}, + {"AIFTX", NULL, "Digital CH2 Mux"}, + {"AIFTX", NULL, "Digital CH3 Mux"}, + {"AIFTX", NULL, "Digital CH4 Mux"}, }; static int nau8540_clock_check(struct nau8540 *nau8540, int rate, int osr) { - int osrate; + int osrate; - if (osr >= ARRAY_SIZE(osr_adc_sel)) - return -EINVAL; - osrate = osr_adc_sel[osr].osr; + if (osr >= ARRAY_SIZE(osr_adc_sel)) + return -EINVAL; + osrate = osr_adc_sel[osr].osr; - if (rate * osr > CLK_ADC_MAX) { - dev_err(nau8540->dev, "exceed the maximum frequency of CLK_ADC\n"); - return -EINVAL; - } + if (rate * osr > CLK_ADC_MAX) { + dev_err(nau8540->dev, "exceed the maximum frequency of CLK_ADC\n"); + return -EINVAL; + } - return 0; + return 0; } static int nau8540_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) + struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { - struct snd_soc_codec *codec = dai->codec; - struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec); - unsigned int val_len = 0, osr; - - /* CLK_ADC = OSR * FS - * ADC clock frequency is defined as Over Sampling Rate (OSR) - * multiplied by the audio sample rate (Fs). Note that the OSR and Fs - * values must be selected such that the maximum frequency is less - * than 6.144 MHz. - */ - regmap_read(nau8540->regmap, NAU8540_REG_ADC_SAMPLE_RATE, &osr); - osr &= NAU8540_ADC_OSR_MASK; - if (nau8540_clock_check(nau8540, params_rate(params), osr)) - return -EINVAL; - regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC, - NAU8540_CLK_ADC_SRC_MASK, - osr_adc_sel[osr].clk_src << NAU8540_CLK_ADC_SRC_SFT); - - switch (params_width(params)) { - case 16: - val_len |= NAU8540_I2S_DL_16; - break; - case 20: - val_len |= NAU8540_I2S_DL_20; - break; - case 24: - val_len |= NAU8540_I2S_DL_24; - break; - case 32: - val_len |= NAU8540_I2S_DL_32; - break; - default: - return -EINVAL; - } - - regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL0, - NAU8540_I2S_DL_MASK, val_len); - - return 0; + struct snd_soc_codec *codec = dai->codec; + struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec); + unsigned int val_len = 0, osr; + + /* CLK_ADC = OSR * FS + * ADC clock frequency is defined as Over Sampling Rate (OSR) + * multiplied by the audio sample rate (Fs). Note that the OSR and Fs + * values must be selected such that the maximum frequency is less + * than 6.144 MHz. + */ + regmap_read(nau8540->regmap, NAU8540_REG_ADC_SAMPLE_RATE, &osr); + osr &= NAU8540_ADC_OSR_MASK; + if (nau8540_clock_check(nau8540, params_rate(params), osr)) + return -EINVAL; + regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC, + NAU8540_CLK_ADC_SRC_MASK, + osr_adc_sel[osr].clk_src << NAU8540_CLK_ADC_SRC_SFT); + + switch (params_width(params)) { + case 16: + val_len |= NAU8540_I2S_DL_16; + break; + case 20: + val_len |= NAU8540_I2S_DL_20; + break; + case 24: + val_len |= NAU8540_I2S_DL_24; + break; + case 32: + val_len |= NAU8540_I2S_DL_32; + break; + default: + return -EINVAL; + } + + regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL0, + NAU8540_I2S_DL_MASK, val_len); + + return 0; } static int nau8540_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { - struct snd_soc_codec *codec = dai->codec; - struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec); - unsigned int ctrl1_val = 0, ctrl2_val = 0; - - switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBM_CFM: - ctrl2_val |= NAU8540_I2S_MS_MASTER; - break; - case SND_SOC_DAIFMT_CBS_CFS: - break; - default: - return -EINVAL; - } - - switch (fmt & SND_SOC_DAIFMT_INV_MASK) { - case SND_SOC_DAIFMT_NB_NF: - break; - case SND_SOC_DAIFMT_IB_NF: - ctrl1_val |= NAU8540_I2S_BP_INV; - break; - default: - return -EINVAL; - } - - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { - case SND_SOC_DAIFMT_I2S: - ctrl1_val |= NAU8540_I2S_DF_I2S; - break; - case SND_SOC_DAIFMT_LEFT_J: - ctrl1_val |= NAU8540_I2S_DF_LEFT; - break; - case SND_SOC_DAIFMT_RIGHT_J: - ctrl1_val |= NAU8540_I2S_DF_RIGTH; - break; - case SND_SOC_DAIFMT_DSP_A: - ctrl1_val |= NAU8540_I2S_DF_PCM_AB; - break; - case SND_SOC_DAIFMT_DSP_B: - ctrl1_val |= NAU8540_I2S_DF_PCM_AB; - ctrl1_val |= NAU8540_I2S_PCMB_EN; - break; - default: - return -EINVAL; - } - - regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL0, - NAU8540_I2S_DL_MASK | NAU8540_I2S_DF_MASK | - NAU8540_I2S_BP_INV | NAU8540_I2S_PCMB_EN, ctrl1_val); - regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL1, - NAU8540_I2S_MS_MASK | NAU8540_I2S_DO12_OE, ctrl2_val); - regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL2, - NAU8540_I2S_DO34_OE, 0); - - return 0; + struct snd_soc_codec *codec = dai->codec; + struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec); + unsigned int ctrl1_val = 0, ctrl2_val = 0; + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + ctrl2_val |= NAU8540_I2S_MS_MASTER; + break; + case SND_SOC_DAIFMT_CBS_CFS: + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_NF: + ctrl1_val |= NAU8540_I2S_BP_INV; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + ctrl1_val |= NAU8540_I2S_DF_I2S; + break; + case SND_SOC_DAIFMT_LEFT_J: + ctrl1_val |= NAU8540_I2S_DF_LEFT; + break; + case SND_SOC_DAIFMT_RIGHT_J: + ctrl1_val |= NAU8540_I2S_DF_RIGTH; + break; + case SND_SOC_DAIFMT_DSP_A: + ctrl1_val |= NAU8540_I2S_DF_PCM_AB; + break; + case SND_SOC_DAIFMT_DSP_B: + ctrl1_val |= NAU8540_I2S_DF_PCM_AB; + ctrl1_val |= NAU8540_I2S_PCMB_EN; + break; + default: + return -EINVAL; + } + + regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL0, + NAU8540_I2S_DL_MASK | NAU8540_I2S_DF_MASK | + NAU8540_I2S_BP_INV | NAU8540_I2S_PCMB_EN, ctrl1_val); + regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL1, + NAU8540_I2S_MS_MASK | NAU8540_I2S_DO12_OE, ctrl2_val); + regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL2, + NAU8540_I2S_DO34_OE, 0); + + return 0; } /** @@ -451,55 +451,55 @@ static int nau8540_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) * Configures a DAI for TDM operation. Only support 4 slots TDM. */ static int nau8540_set_tdm_slot(struct snd_soc_dai *dai, - unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) + unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) { - struct snd_soc_codec *codec = dai->codec; - struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec); - unsigned int ctrl2_val = 0, ctrl4_val = 0; - - if (slots > 4 || ((tx_mask & 0xf0) && (tx_mask & 0xf))) - return -EINVAL; - - ctrl4_val |= (NAU8540_TDM_MODE | NAU8540_TDM_OFFSET_EN); - if (tx_mask & 0xf0) { - ctrl2_val = 4 * slot_width; - ctrl4_val |= (tx_mask >> 4); - } else { - ctrl4_val |= tx_mask; - } - regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL4, - NAU8540_TDM_MODE | NAU8540_TDM_OFFSET_EN | - NAU8540_TDM_TX_MASK, ctrl4_val); - regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL1, - NAU8540_I2S_DO12_OE, NAU8540_I2S_DO12_OE); - regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL2, - NAU8540_I2S_DO34_OE | NAU8540_I2S_TSLOT_L_MASK, - NAU8540_I2S_DO34_OE | ctrl2_val); - - return 0; + struct snd_soc_codec *codec = dai->codec; + struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec); + unsigned int ctrl2_val = 0, ctrl4_val = 0; + + if (slots > 4 || ((tx_mask & 0xf0) && (tx_mask & 0xf))) + return -EINVAL; + + ctrl4_val |= (NAU8540_TDM_MODE | NAU8540_TDM_OFFSET_EN); + if (tx_mask & 0xf0) { + ctrl2_val = 4 * slot_width; + ctrl4_val |= (tx_mask >> 4); + } else { + ctrl4_val |= tx_mask; + } + regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL4, + NAU8540_TDM_MODE | NAU8540_TDM_OFFSET_EN | + NAU8540_TDM_TX_MASK, ctrl4_val); + regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL1, + NAU8540_I2S_DO12_OE, NAU8540_I2S_DO12_OE); + regmap_update_bits(nau8540->regmap, NAU8540_REG_PCM_CTRL2, + NAU8540_I2S_DO34_OE | NAU8540_I2S_TSLOT_L_MASK, + NAU8540_I2S_DO34_OE | ctrl2_val); + + return 0; } static const struct snd_soc_dai_ops nau8540_dai_ops = { - .hw_params = nau8540_hw_params, - .set_fmt = nau8540_set_fmt, - .set_tdm_slot = nau8540_set_tdm_slot, + .hw_params = nau8540_hw_params, + .set_fmt = nau8540_set_fmt, + .set_tdm_slot = nau8540_set_tdm_slot, }; #define NAU8540_RATES SNDRV_PCM_RATE_8000_48000 #define NAU8540_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE \ - | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE) + | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE) static struct snd_soc_dai_driver nau8540_dai = { - .name = "nau8540-hifi", - .capture = { - .stream_name = "Capture", - .channels_min = 1, - .channels_max = 4, - .rates = NAU8540_RATES, - .formats = NAU8540_FORMATS, - }, - .ops = &nau8540_dai_ops, + .name = "nau8540-hifi", + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 4, + .rates = NAU8540_RATES, + .formats = NAU8540_FORMATS, + }, + .ops = &nau8540_dai_ops, }; /** @@ -513,320 +513,320 @@ static struct snd_soc_dai_driver nau8540_dai = { * Returns 0 for success or negative error code. */ static int nau8540_calc_fll_param(unsigned int fll_in, - unsigned int fs, struct nau8540_fll *fll_param) + unsigned int fs, struct nau8540_fll *fll_param) { - u64 fvco, fvco_max; - unsigned int fref, i, fvco_sel; - - /* Ensure the reference clock frequency (FREF) is <= 13.5MHz by dividing - * freq_in by 1, 2, 4, or 8 using FLL pre-scalar. - * FREF = freq_in / NAU8540_FLL_REF_DIV_MASK - */ - for (i = 0; i < ARRAY_SIZE(fll_pre_scalar); i++) { - fref = fll_in / fll_pre_scalar[i].param; - if (fref <= NAU_FREF_MAX) - break; - } - if (i == ARRAY_SIZE(fll_pre_scalar)) - return -EINVAL; - fll_param->clk_ref_div = fll_pre_scalar[i].val; - - /* Choose the FLL ratio based on FREF */ - for (i = 0; i < ARRAY_SIZE(fll_ratio); i++) { - if (fref >= fll_ratio[i].param) - break; - } - if (i == ARRAY_SIZE(fll_ratio)) - return -EINVAL; - fll_param->ratio = fll_ratio[i].val; - - /* Calculate the frequency of DCO (FDCO) given freq_out = 256 * Fs. - * FDCO must be within the 90MHz - 124MHz or the FFL cannot be - * guaranteed across the full range of operation. - * FDCO = freq_out * 2 * mclk_src_scaling - */ - fvco_max = 0; - fvco_sel = ARRAY_SIZE(mclk_src_scaling); - for (i = 0; i < ARRAY_SIZE(mclk_src_scaling); i++) { - fvco = 256 * fs * 2 * mclk_src_scaling[i].param; - if (fvco > NAU_FVCO_MIN && fvco < NAU_FVCO_MAX && - fvco_max < fvco) { - fvco_max = fvco; - fvco_sel = i; - } - } - if (ARRAY_SIZE(mclk_src_scaling) == fvco_sel) - return -EINVAL; - fll_param->mclk_src = mclk_src_scaling[fvco_sel].val; - - /* Calculate the FLL 10-bit integer input and the FLL 16-bit fractional - * input based on FDCO, FREF and FLL ratio. - */ - fvco = div_u64(fvco_max << 16, fref * fll_param->ratio); - fll_param->fll_int = (fvco >> 16) & 0x3FF; - fll_param->fll_frac = fvco & 0xFFFF; - return 0; + u64 fvco, fvco_max; + unsigned int fref, i, fvco_sel; + + /* Ensure the reference clock frequency (FREF) is <= 13.5MHz by dividing + * freq_in by 1, 2, 4, or 8 using FLL pre-scalar. + * FREF = freq_in / NAU8540_FLL_REF_DIV_MASK + */ + for (i = 0; i < ARRAY_SIZE(fll_pre_scalar); i++) { + fref = fll_in / fll_pre_scalar[i].param; + if (fref <= NAU_FREF_MAX) + break; + } + if (i == ARRAY_SIZE(fll_pre_scalar)) + return -EINVAL; + fll_param->clk_ref_div = fll_pre_scalar[i].val; + + /* Choose the FLL ratio based on FREF */ + for (i = 0; i < ARRAY_SIZE(fll_ratio); i++) { + if (fref >= fll_ratio[i].param) + break; + } + if (i == ARRAY_SIZE(fll_ratio)) + return -EINVAL; + fll_param->ratio = fll_ratio[i].val; + + /* Calculate the frequency of DCO (FDCO) given freq_out = 256 * Fs. + * FDCO must be within the 90MHz - 124MHz or the FFL cannot be + * guaranteed across the full range of operation. + * FDCO = freq_out * 2 * mclk_src_scaling + */ + fvco_max = 0; + fvco_sel = ARRAY_SIZE(mclk_src_scaling); + for (i = 0; i < ARRAY_SIZE(mclk_src_scaling); i++) { + fvco = 256 * fs * 2 * mclk_src_scaling[i].param; + if (fvco > NAU_FVCO_MIN && fvco < NAU_FVCO_MAX && + fvco_max < fvco) { + fvco_max = fvco; + fvco_sel = i; + } + } + if (ARRAY_SIZE(mclk_src_scaling) == fvco_sel) + return -EINVAL; + fll_param->mclk_src = mclk_src_scaling[fvco_sel].val; + + /* Calculate the FLL 10-bit integer input and the FLL 16-bit fractional + * input based on FDCO, FREF and FLL ratio. + */ + fvco = div_u64(fvco_max << 16, fref * fll_param->ratio); + fll_param->fll_int = (fvco >> 16) & 0x3FF; + fll_param->fll_frac = fvco & 0xFFFF; + return 0; } static void nau8540_fll_apply(struct regmap *regmap, - struct nau8540_fll *fll_param) + struct nau8540_fll *fll_param) { - regmap_update_bits(regmap, NAU8540_REG_CLOCK_SRC, - NAU8540_CLK_SRC_MASK | NAU8540_CLK_MCLK_SRC_MASK, - NAU8540_CLK_SRC_MCLK | fll_param->mclk_src); - regmap_update_bits(regmap, NAU8540_REG_FLL1, - NAU8540_FLL_RATIO_MASK, fll_param->ratio); - /* FLL 16-bit fractional input */ - regmap_write(regmap, NAU8540_REG_FLL2, fll_param->fll_frac); - /* FLL 10-bit integer input */ - regmap_update_bits(regmap, NAU8540_REG_FLL3, - NAU8540_FLL_INTEGER_MASK, fll_param->fll_int); - /* FLL pre-scaler */ - regmap_update_bits(regmap, NAU8540_REG_FLL4, - NAU8540_FLL_REF_DIV_MASK, - fll_param->clk_ref_div << NAU8540_FLL_REF_DIV_SFT); - regmap_update_bits(regmap, NAU8540_REG_FLL5, - NAU8540_FLL_CLK_SW_MASK, NAU8540_FLL_CLK_SW_REF); - regmap_update_bits(regmap, - NAU8540_REG_FLL6, NAU8540_DCO_EN, 0); - if (fll_param->fll_frac) { - regmap_update_bits(regmap, NAU8540_REG_FLL5, - NAU8540_FLL_PDB_DAC_EN | NAU8540_FLL_LOOP_FTR_EN | - NAU8540_FLL_FTR_SW_MASK, - NAU8540_FLL_PDB_DAC_EN | NAU8540_FLL_LOOP_FTR_EN | - NAU8540_FLL_FTR_SW_FILTER); - regmap_update_bits(regmap, NAU8540_REG_FLL6, - NAU8540_SDM_EN, NAU8540_SDM_EN); - } else { - regmap_update_bits(regmap, NAU8540_REG_FLL5, - NAU8540_FLL_PDB_DAC_EN | NAU8540_FLL_LOOP_FTR_EN | - NAU8540_FLL_FTR_SW_MASK, NAU8540_FLL_FTR_SW_ACCU); - regmap_update_bits(regmap, - NAU8540_REG_FLL6, NAU8540_SDM_EN, 0); - } + regmap_update_bits(regmap, NAU8540_REG_CLOCK_SRC, + NAU8540_CLK_SRC_MASK | NAU8540_CLK_MCLK_SRC_MASK, + NAU8540_CLK_SRC_MCLK | fll_param->mclk_src); + regmap_update_bits(regmap, NAU8540_REG_FLL1, + NAU8540_FLL_RATIO_MASK, fll_param->ratio); + /* FLL 16-bit fractional input */ + regmap_write(regmap, NAU8540_REG_FLL2, fll_param->fll_frac); + /* FLL 10-bit integer input */ + regmap_update_bits(regmap, NAU8540_REG_FLL3, + NAU8540_FLL_INTEGER_MASK, fll_param->fll_int); + /* FLL pre-scaler */ + regmap_update_bits(regmap, NAU8540_REG_FLL4, + NAU8540_FLL_REF_DIV_MASK, + fll_param->clk_ref_div << NAU8540_FLL_REF_DIV_SFT); + regmap_update_bits(regmap, NAU8540_REG_FLL5, + NAU8540_FLL_CLK_SW_MASK, NAU8540_FLL_CLK_SW_REF); + regmap_update_bits(regmap, + NAU8540_REG_FLL6, NAU8540_DCO_EN, 0); + if (fll_param->fll_frac) { + regmap_update_bits(regmap, NAU8540_REG_FLL5, + NAU8540_FLL_PDB_DAC_EN | NAU8540_FLL_LOOP_FTR_EN | + NAU8540_FLL_FTR_SW_MASK, + NAU8540_FLL_PDB_DAC_EN | NAU8540_FLL_LOOP_FTR_EN | + NAU8540_FLL_FTR_SW_FILTER); + regmap_update_bits(regmap, NAU8540_REG_FLL6, + NAU8540_SDM_EN, NAU8540_SDM_EN); + } else { + regmap_update_bits(regmap, NAU8540_REG_FLL5, + NAU8540_FLL_PDB_DAC_EN | NAU8540_FLL_LOOP_FTR_EN | + NAU8540_FLL_FTR_SW_MASK, NAU8540_FLL_FTR_SW_ACCU); + regmap_update_bits(regmap, + NAU8540_REG_FLL6, NAU8540_SDM_EN, 0); + } } /* freq_out must be 256*Fs in order to achieve the best performance */ static int nau8540_set_pll(struct snd_soc_codec *codec, int pll_id, int source, - unsigned int freq_in, unsigned int freq_out) + unsigned int freq_in, unsigned int freq_out) { - struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec); - struct nau8540_fll fll_param; - int ret, fs; - - switch (pll_id) { - case NAU8540_CLK_FLL_MCLK: - regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL3, - NAU8540_FLL_CLK_SRC_MASK, NAU8540_FLL_CLK_SRC_MCLK); - break; - - case NAU8540_CLK_FLL_BLK: - regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL3, - NAU8540_FLL_CLK_SRC_MASK, NAU8540_FLL_CLK_SRC_BLK); - break; - - case NAU8540_CLK_FLL_FS: - regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL3, - NAU8540_FLL_CLK_SRC_MASK, NAU8540_FLL_CLK_SRC_FS); - break; - - default: - dev_err(nau8540->dev, "Invalid clock id (%d)\n", pll_id); - return -EINVAL; - } - dev_dbg(nau8540->dev, "Sysclk is %dHz and clock id is %d\n", - freq_out, pll_id); - - fs = freq_out / 256; - ret = nau8540_calc_fll_param(freq_in, fs, &fll_param); - if (ret < 0) { - dev_err(nau8540->dev, "Unsupported input clock %d\n", freq_in); - return ret; - } - dev_dbg(nau8540->dev, "mclk_src=%x ratio=%x fll_frac=%x fll_int=%x clk_ref_div=%x\n", - fll_param.mclk_src, fll_param.ratio, fll_param.fll_frac, - fll_param.fll_int, fll_param.clk_ref_div); - - nau8540_fll_apply(nau8540->regmap, &fll_param); - mdelay(2); - regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC, - NAU8540_CLK_SRC_MASK, NAU8540_CLK_SRC_VCO); - - return 0; + struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec); + struct nau8540_fll fll_param; + int ret, fs; + + switch (pll_id) { + case NAU8540_CLK_FLL_MCLK: + regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL3, + NAU8540_FLL_CLK_SRC_MASK, NAU8540_FLL_CLK_SRC_MCLK); + break; + + case NAU8540_CLK_FLL_BLK: + regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL3, + NAU8540_FLL_CLK_SRC_MASK, NAU8540_FLL_CLK_SRC_BLK); + break; + + case NAU8540_CLK_FLL_FS: + regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL3, + NAU8540_FLL_CLK_SRC_MASK, NAU8540_FLL_CLK_SRC_FS); + break; + + default: + dev_err(nau8540->dev, "Invalid clock id (%d)\n", pll_id); + return -EINVAL; + } + dev_dbg(nau8540->dev, "Sysclk is %dHz and clock id is %d\n", + freq_out, pll_id); + + fs = freq_out / 256; + ret = nau8540_calc_fll_param(freq_in, fs, &fll_param); + if (ret < 0) { + dev_err(nau8540->dev, "Unsupported input clock %d\n", freq_in); + return ret; + } + dev_dbg(nau8540->dev, "mclk_src=%x ratio=%x fll_frac=%x fll_int=%x clk_ref_div=%x\n", + fll_param.mclk_src, fll_param.ratio, fll_param.fll_frac, + fll_param.fll_int, fll_param.clk_ref_div); + + nau8540_fll_apply(nau8540->regmap, &fll_param); + mdelay(2); + regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC, + NAU8540_CLK_SRC_MASK, NAU8540_CLK_SRC_VCO); + + return 0; } static int nau8540_set_sysclk(struct snd_soc_codec *codec, - int clk_id, int source, unsigned int freq, int dir) + int clk_id, int source, unsigned int freq, int dir) { - struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec); - - switch (clk_id) { - case NAU8540_CLK_DIS: - case NAU8540_CLK_MCLK: - regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC, - NAU8540_CLK_SRC_MASK, NAU8540_CLK_SRC_MCLK); - regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL6, - NAU8540_DCO_EN, 0); - break; - - case NAU8540_CLK_INTERNAL: - regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL6, - NAU8540_DCO_EN, NAU8540_DCO_EN); - regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC, - NAU8540_CLK_SRC_MASK, NAU8540_CLK_SRC_VCO); - break; - - default: - dev_err(nau8540->dev, "Invalid clock id (%d)\n", clk_id); - return -EINVAL; - } - - dev_dbg(nau8540->dev, "Sysclk is %dHz and clock id is %d\n", - freq, clk_id); - - return 0; + struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec); + + switch (clk_id) { + case NAU8540_CLK_DIS: + case NAU8540_CLK_MCLK: + regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC, + NAU8540_CLK_SRC_MASK, NAU8540_CLK_SRC_MCLK); + regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL6, + NAU8540_DCO_EN, 0); + break; + + case NAU8540_CLK_INTERNAL: + regmap_update_bits(nau8540->regmap, NAU8540_REG_FLL6, + NAU8540_DCO_EN, NAU8540_DCO_EN); + regmap_update_bits(nau8540->regmap, NAU8540_REG_CLOCK_SRC, + NAU8540_CLK_SRC_MASK, NAU8540_CLK_SRC_VCO); + break; + + default: + dev_err(nau8540->dev, "Invalid clock id (%d)\n", clk_id); + return -EINVAL; + } + + dev_dbg(nau8540->dev, "Sysclk is %dHz and clock id is %d\n", + freq, clk_id); + + return 0; } static void nau8540_reset_chip(struct regmap *regmap) { - regmap_write(regmap, NAU8540_REG_SW_RESET, 0x00); - regmap_write(regmap, NAU8540_REG_SW_RESET, 0x00); + regmap_write(regmap, NAU8540_REG_SW_RESET, 0x00); + regmap_write(regmap, NAU8540_REG_SW_RESET, 0x00); } static void nau8540_init_regs(struct nau8540 *nau8540) { - struct regmap *regmap = nau8540->regmap; - - /* Enable Bias/VMID/VMID Tieoff */ - regmap_update_bits(regmap, NAU8540_REG_VMID_CTRL, - NAU8540_VMID_EN | NAU8540_VMID_SEL_MASK, - NAU8540_VMID_EN | (0x2 << NAU8540_VMID_SEL_SFT)); - regmap_update_bits(regmap, NAU8540_REG_REFERENCE, - NAU8540_PRECHARGE_DIS | NAU8540_GLOBAL_BIAS_EN, - NAU8540_PRECHARGE_DIS | NAU8540_GLOBAL_BIAS_EN); - mdelay(2); - regmap_update_bits(regmap, NAU8540_REG_MIC_BIAS, - NAU8540_PU_PRE, NAU8540_PU_PRE); - regmap_update_bits(regmap, NAU8540_REG_CLOCK_CTRL, - NAU8540_CLK_ADC_EN | NAU8540_CLK_I2S_EN, - NAU8540_CLK_ADC_EN | NAU8540_CLK_I2S_EN); - /* ADC OSR selection, CLK_ADC = Fs * OSR */ - regmap_update_bits(regmap, NAU8540_REG_ADC_SAMPLE_RATE, - NAU8540_ADC_OSR_MASK, NAU8540_ADC_OSR_64); + struct regmap *regmap = nau8540->regmap; + + /* Enable Bias/VMID/VMID Tieoff */ + regmap_update_bits(regmap, NAU8540_REG_VMID_CTRL, + NAU8540_VMID_EN | NAU8540_VMID_SEL_MASK, + NAU8540_VMID_EN | (0x2 << NAU8540_VMID_SEL_SFT)); + regmap_update_bits(regmap, NAU8540_REG_REFERENCE, + NAU8540_PRECHARGE_DIS | NAU8540_GLOBAL_BIAS_EN, + NAU8540_PRECHARGE_DIS | NAU8540_GLOBAL_BIAS_EN); + mdelay(2); + regmap_update_bits(regmap, NAU8540_REG_MIC_BIAS, + NAU8540_PU_PRE, NAU8540_PU_PRE); + regmap_update_bits(regmap, NAU8540_REG_CLOCK_CTRL, + NAU8540_CLK_ADC_EN | NAU8540_CLK_I2S_EN, + NAU8540_CLK_ADC_EN | NAU8540_CLK_I2S_EN); + /* ADC OSR selection, CLK_ADC = Fs * OSR */ + regmap_update_bits(regmap, NAU8540_REG_ADC_SAMPLE_RATE, + NAU8540_ADC_OSR_MASK, NAU8540_ADC_OSR_64); } static int __maybe_unused nau8540_suspend(struct snd_soc_codec *codec) { - struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec); + struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec); - regcache_cache_only(nau8540->regmap, true); - regcache_mark_dirty(nau8540->regmap); + regcache_cache_only(nau8540->regmap, true); + regcache_mark_dirty(nau8540->regmap); - return 0; + return 0; } static int __maybe_unused nau8540_resume(struct snd_soc_codec *codec) { - struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec); + struct nau8540 *nau8540 = snd_soc_codec_get_drvdata(codec); - regcache_cache_only(nau8540->regmap, false); - regcache_sync(nau8540->regmap); + regcache_cache_only(nau8540->regmap, false); + regcache_sync(nau8540->regmap); - return 0; + return 0; } static struct snd_soc_codec_driver nau8540_codec_driver = { - .set_sysclk = nau8540_set_sysclk, - .set_pll = nau8540_set_pll, - .suspend = nau8540_suspend, - .resume = nau8540_resume, - .suspend_bias_off = true, - - .component_driver = { - .controls = nau8540_snd_controls, - .num_controls = ARRAY_SIZE(nau8540_snd_controls), - .dapm_widgets = nau8540_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(nau8540_dapm_widgets), - .dapm_routes = nau8540_dapm_routes, - .num_dapm_routes = ARRAY_SIZE(nau8540_dapm_routes), - }, + .set_sysclk = nau8540_set_sysclk, + .set_pll = nau8540_set_pll, + .suspend = nau8540_suspend, + .resume = nau8540_resume, + .suspend_bias_off = true, + + .component_driver = { + .controls = nau8540_snd_controls, + .num_controls = ARRAY_SIZE(nau8540_snd_controls), + .dapm_widgets = nau8540_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(nau8540_dapm_widgets), + .dapm_routes = nau8540_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(nau8540_dapm_routes), + }, }; static const struct regmap_config nau8540_regmap_config = { - .val_bits = 16, - .reg_bits = 16, + .val_bits = 16, + .reg_bits = 16, - .max_register = NAU8540_REG_MAX, - .readable_reg = nau8540_readable_reg, - .writeable_reg = nau8540_writeable_reg, - .volatile_reg = nau8540_volatile_reg, + .max_register = NAU8540_REG_MAX, + .readable_reg = nau8540_readable_reg, + .writeable_reg = nau8540_writeable_reg, + .volatile_reg = nau8540_volatile_reg, - .cache_type = REGCACHE_RBTREE, - .reg_defaults = nau8540_reg_defaults, - .num_reg_defaults = ARRAY_SIZE(nau8540_reg_defaults), + .cache_type = REGCACHE_RBTREE, + .reg_defaults = nau8540_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(nau8540_reg_defaults), }; static int nau8540_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) + const struct i2c_device_id *id) { - struct device *dev = &i2c->dev; - struct nau8540 *nau8540 = dev_get_platdata(dev); - int ret, value; - - if (!nau8540) { - nau8540 = devm_kzalloc(dev, sizeof(*nau8540), GFP_KERNEL); - if (!nau8540) - return -ENOMEM; - } - i2c_set_clientdata(i2c, nau8540); - - nau8540->regmap = devm_regmap_init_i2c(i2c, &nau8540_regmap_config); - if (IS_ERR(nau8540->regmap)) - return PTR_ERR(nau8540->regmap); - ret = regmap_read(nau8540->regmap, NAU8540_REG_I2C_DEVICE_ID, &value); - if (ret < 0) { - dev_err(dev, "Failed to read device id from the NAU85L40: %d\n", - ret); - return ret; - } - - nau8540->dev = dev; - nau8540_reset_chip(nau8540->regmap); - nau8540_init_regs(nau8540); - - return snd_soc_register_codec(dev, - &nau8540_codec_driver, &nau8540_dai, 1); + struct device *dev = &i2c->dev; + struct nau8540 *nau8540 = dev_get_platdata(dev); + int ret, value; + + if (!nau8540) { + nau8540 = devm_kzalloc(dev, sizeof(*nau8540), GFP_KERNEL); + if (!nau8540) + return -ENOMEM; + } + i2c_set_clientdata(i2c, nau8540); + + nau8540->regmap = devm_regmap_init_i2c(i2c, &nau8540_regmap_config); + if (IS_ERR(nau8540->regmap)) + return PTR_ERR(nau8540->regmap); + ret = regmap_read(nau8540->regmap, NAU8540_REG_I2C_DEVICE_ID, &value); + if (ret < 0) { + dev_err(dev, "Failed to read device id from the NAU85L40: %d\n", + ret); + return ret; + } + + nau8540->dev = dev; + nau8540_reset_chip(nau8540->regmap); + nau8540_init_regs(nau8540); + + return snd_soc_register_codec(dev, + &nau8540_codec_driver, &nau8540_dai, 1); } static int nau8540_i2c_remove(struct i2c_client *client) { - snd_soc_unregister_codec(&client->dev); - return 0; + snd_soc_unregister_codec(&client->dev); + return 0; } static const struct i2c_device_id nau8540_i2c_ids[] = { - { "nau8540", 0 }, - { } + { "nau8540", 0 }, + { } }; MODULE_DEVICE_TABLE(i2c, nau8540_i2c_ids); #ifdef CONFIG_OF static const struct of_device_id nau8540_of_ids[] = { - { .compatible = "nuvoton,nau8540", }, - {} + { .compatible = "nuvoton,nau8540", }, + {} }; MODULE_DEVICE_TABLE(of, nau8540_of_ids); #endif static struct i2c_driver nau8540_i2c_driver = { - .driver = { - .name = "nau8540", - .of_match_table = of_match_ptr(nau8540_of_ids), - }, - .probe = nau8540_i2c_probe, - .remove = nau8540_i2c_remove, - .id_table = nau8540_i2c_ids, + .driver = { + .name = "nau8540", + .of_match_table = of_match_ptr(nau8540_of_ids), + }, + .probe = nau8540_i2c_probe, + .remove = nau8540_i2c_remove, + .id_table = nau8540_i2c_ids, }; module_i2c_driver(nau8540_i2c_driver); |