diff options
Diffstat (limited to 'sound/soc/codecs/nau8825.c')
| -rw-r--r-- | sound/soc/codecs/nau8825.c | 169 |
1 files changed, 126 insertions, 43 deletions
diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c index c1b87c5800b1..1c8729984c2b 100644 --- a/sound/soc/codecs/nau8825.c +++ b/sound/soc/codecs/nau8825.c @@ -84,6 +84,7 @@ static const struct nau8825_fll_attr fll_pre_scalar[] = { static const struct reg_default nau8825_reg_defaults[] = { { NAU8825_REG_ENA_CTRL, 0x00ff }, + { NAU8825_REG_IIC_ADDR_SET, 0x0 }, { NAU8825_REG_CLK_DIVIDER, 0x0050 }, { NAU8825_REG_FLL1, 0x0 }, { NAU8825_REG_FLL2, 0x3126 }, @@ -158,8 +159,7 @@ static const struct reg_default nau8825_reg_defaults[] = { static bool nau8825_readable_reg(struct device *dev, unsigned int reg) { switch (reg) { - case NAU8825_REG_ENA_CTRL: - case NAU8825_REG_CLK_DIVIDER ... NAU8825_REG_FLL_VCO_RSV: + case NAU8825_REG_ENA_CTRL ... NAU8825_REG_FLL_VCO_RSV: case NAU8825_REG_HSD_CTRL ... NAU8825_REG_JACK_DET_CTRL: case NAU8825_REG_INTERRUPT_MASK ... NAU8825_REG_KEYDET_CTRL: case NAU8825_REG_VDET_THRESHOLD_1 ... NAU8825_REG_DACR_CTRL: @@ -184,8 +184,7 @@ static bool nau8825_readable_reg(struct device *dev, unsigned int reg) static bool nau8825_writeable_reg(struct device *dev, unsigned int reg) { switch (reg) { - case NAU8825_REG_RESET ... NAU8825_REG_ENA_CTRL: - case NAU8825_REG_CLK_DIVIDER ... NAU8825_REG_FLL_VCO_RSV: + case NAU8825_REG_RESET ... NAU8825_REG_FLL_VCO_RSV: case NAU8825_REG_HSD_CTRL ... NAU8825_REG_JACK_DET_CTRL: case NAU8825_REG_INTERRUPT_MASK: case NAU8825_REG_INT_CLR_KEY_STATUS ... NAU8825_REG_KEYDET_CTRL: @@ -227,10 +226,42 @@ static bool nau8825_volatile_reg(struct device *dev, unsigned int reg) static int nau8825_pump_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); + struct nau8825 *nau8825 = snd_soc_codec_get_drvdata(codec); + switch (event) { case SND_SOC_DAPM_POST_PMU: /* Prevent startup click by letting charge pump to ramp up */ msleep(10); + regmap_update_bits(nau8825->regmap, NAU8825_REG_CHARGE_PUMP, + NAU8825_JAMNODCLOW, NAU8825_JAMNODCLOW); + break; + case SND_SOC_DAPM_PRE_PMD: + regmap_update_bits(nau8825->regmap, NAU8825_REG_CHARGE_PUMP, + NAU8825_JAMNODCLOW, 0); + break; + default: + return -EINVAL; + } + + return 0; +} + +static int nau8825_output_dac_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); + struct nau8825 *nau8825 = snd_soc_codec_get_drvdata(codec); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + /* Disables the TESTDAC to let DAC signal pass through. */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_BIAS_ADJ, + NAU8825_BIAS_TESTDAC_EN, 0); + break; + case SND_SOC_DAPM_POST_PMD: + regmap_update_bits(nau8825->regmap, NAU8825_REG_BIAS_ADJ, + NAU8825_BIAS_TESTDAC_EN, NAU8825_BIAS_TESTDAC_EN); break; default: return -EINVAL; @@ -316,10 +347,10 @@ static const struct snd_soc_dapm_widget nau8825_dapm_widgets[] = { SND_SOC_DAPM_ADC("SAR", NULL, NAU8825_REG_SAR_CTRL, NAU8825_SAR_ADC_EN_SFT, 0), - SND_SOC_DAPM_DAC("ADACL", NULL, NAU8825_REG_RDAC, 12, 0), - SND_SOC_DAPM_DAC("ADACR", NULL, NAU8825_REG_RDAC, 13, 0), - SND_SOC_DAPM_SUPPLY("ADACL Clock", NAU8825_REG_RDAC, 8, 0, NULL, 0), - SND_SOC_DAPM_SUPPLY("ADACR Clock", NAU8825_REG_RDAC, 9, 0, NULL, 0), + SND_SOC_DAPM_PGA_S("ADACL", 2, NAU8825_REG_RDAC, 12, 0, NULL, 0), + SND_SOC_DAPM_PGA_S("ADACR", 2, NAU8825_REG_RDAC, 13, 0, NULL, 0), + SND_SOC_DAPM_PGA_S("ADACL Clock", 3, NAU8825_REG_RDAC, 8, 0, NULL, 0), + SND_SOC_DAPM_PGA_S("ADACR Clock", 3, NAU8825_REG_RDAC, 9, 0, NULL, 0), SND_SOC_DAPM_DAC("DDACR", NULL, NAU8825_REG_ENA_CTRL, NAU8825_ENABLE_DACR_SFT, 0), @@ -330,29 +361,48 @@ static const struct snd_soc_dapm_widget nau8825_dapm_widgets[] = { SND_SOC_DAPM_MUX("DACL Mux", SND_SOC_NOPM, 0, 0, &nau8825_dacl_mux), SND_SOC_DAPM_MUX("DACR Mux", SND_SOC_NOPM, 0, 0, &nau8825_dacr_mux), - SND_SOC_DAPM_PGA("HP amp L", NAU8825_REG_CLASSG_CTRL, 1, 0, NULL, 0), - SND_SOC_DAPM_PGA("HP amp R", NAU8825_REG_CLASSG_CTRL, 2, 0, NULL, 0), - SND_SOC_DAPM_SUPPLY("HP amp power", NAU8825_REG_CLASSG_CTRL, 0, 0, NULL, - 0), + SND_SOC_DAPM_PGA_S("HP amp L", 0, + NAU8825_REG_CLASSG_CTRL, 1, 0, NULL, 0), + SND_SOC_DAPM_PGA_S("HP amp R", 0, + NAU8825_REG_CLASSG_CTRL, 2, 0, NULL, 0), - SND_SOC_DAPM_SUPPLY("Charge Pump", NAU8825_REG_CHARGE_PUMP, 5, 0, - nau8825_pump_event, SND_SOC_DAPM_POST_PMU), + SND_SOC_DAPM_PGA_S("Charge Pump", 1, NAU8825_REG_CHARGE_PUMP, 5, 0, + nau8825_pump_event, SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMD), - SND_SOC_DAPM_PGA("Output Driver R Stage 1", + SND_SOC_DAPM_PGA_S("Output Driver R Stage 1", 4, NAU8825_REG_POWER_UP_CONTROL, 5, 0, NULL, 0), - SND_SOC_DAPM_PGA("Output Driver L Stage 1", + SND_SOC_DAPM_PGA_S("Output Driver L Stage 1", 4, NAU8825_REG_POWER_UP_CONTROL, 4, 0, NULL, 0), - SND_SOC_DAPM_PGA("Output Driver R Stage 2", + SND_SOC_DAPM_PGA_S("Output Driver R Stage 2", 5, NAU8825_REG_POWER_UP_CONTROL, 3, 0, NULL, 0), - SND_SOC_DAPM_PGA("Output Driver L Stage 2", + SND_SOC_DAPM_PGA_S("Output Driver L Stage 2", 5, NAU8825_REG_POWER_UP_CONTROL, 2, 0, NULL, 0), - SND_SOC_DAPM_PGA_S("Output Driver R Stage 3", 1, + SND_SOC_DAPM_PGA_S("Output Driver R Stage 3", 6, NAU8825_REG_POWER_UP_CONTROL, 1, 0, NULL, 0), - SND_SOC_DAPM_PGA_S("Output Driver L Stage 3", 1, + SND_SOC_DAPM_PGA_S("Output Driver L Stage 3", 6, NAU8825_REG_POWER_UP_CONTROL, 0, 0, NULL, 0), - SND_SOC_DAPM_PGA_S("Output DACL", 2, NAU8825_REG_CHARGE_PUMP, 8, 1, NULL, 0), - SND_SOC_DAPM_PGA_S("Output DACR", 2, NAU8825_REG_CHARGE_PUMP, 9, 1, NULL, 0), + SND_SOC_DAPM_PGA_S("Output DACL", 7, + NAU8825_REG_CHARGE_PUMP, 8, 1, nau8825_output_dac_event, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_PGA_S("Output DACR", 7, + NAU8825_REG_CHARGE_PUMP, 9, 1, nau8825_output_dac_event, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), + + /* HPOL/R are ungrounded by disabling 16 Ohm pull-downs on playback */ + SND_SOC_DAPM_PGA_S("HPOL Pulldown", 8, + NAU8825_REG_HSD_CTRL, 0, 1, NULL, 0), + SND_SOC_DAPM_PGA_S("HPOR Pulldown", 8, + NAU8825_REG_HSD_CTRL, 1, 1, NULL, 0), + + /* High current HPOL/R boost driver */ + SND_SOC_DAPM_PGA_S("HP Boost Driver", 9, + NAU8825_REG_BOOST, 9, 1, NULL, 0), + + /* Class G operation control*/ + SND_SOC_DAPM_PGA_S("Class G", 10, + NAU8825_REG_CLASSG_CTRL, 0, 0, NULL, 0), SND_SOC_DAPM_OUTPUT("HPOL"), SND_SOC_DAPM_OUTPUT("HPOR"), @@ -375,24 +425,27 @@ static const struct snd_soc_dapm_route nau8825_dapm_routes[] = { {"DACR Mux", "DACR", "DDACR"}, {"HP amp L", NULL, "DACL Mux"}, {"HP amp R", NULL, "DACR Mux"}, - {"HP amp L", NULL, "HP amp power"}, - {"HP amp R", NULL, "HP amp power"}, - {"ADACL", NULL, "HP amp L"}, - {"ADACR", NULL, "HP amp R"}, - {"ADACL", NULL, "ADACL Clock"}, - {"ADACR", NULL, "ADACR Clock"}, - {"Output Driver L Stage 1", NULL, "ADACL"}, - {"Output Driver R Stage 1", NULL, "ADACR"}, + {"Charge Pump", NULL, "HP amp L"}, + {"Charge Pump", NULL, "HP amp R"}, + {"ADACL", NULL, "Charge Pump"}, + {"ADACR", NULL, "Charge Pump"}, + {"ADACL Clock", NULL, "ADACL"}, + {"ADACR Clock", NULL, "ADACR"}, + {"Output Driver L Stage 1", NULL, "ADACL Clock"}, + {"Output Driver R Stage 1", NULL, "ADACR Clock"}, {"Output Driver L Stage 2", NULL, "Output Driver L Stage 1"}, {"Output Driver R Stage 2", NULL, "Output Driver R Stage 1"}, {"Output Driver L Stage 3", NULL, "Output Driver L Stage 2"}, {"Output Driver R Stage 3", NULL, "Output Driver R Stage 2"}, {"Output DACL", NULL, "Output Driver L Stage 3"}, {"Output DACR", NULL, "Output Driver R Stage 3"}, - {"HPOL", NULL, "Output DACL"}, - {"HPOR", NULL, "Output DACR"}, - {"HPOL", NULL, "Charge Pump"}, - {"HPOR", NULL, "Charge Pump"}, + {"HPOL Pulldown", NULL, "Output DACL"}, + {"HPOR Pulldown", NULL, "Output DACR"}, + {"HP Boost Driver", NULL, "HPOL Pulldown"}, + {"HP Boost Driver", NULL, "HPOR Pulldown"}, + {"Class G", NULL, "HP Boost Driver"}, + {"HPOL", NULL, "Class G"}, + {"HPOR", NULL, "Class G"}, }; static int nau8825_hw_params(struct snd_pcm_substream *substream, @@ -659,11 +712,10 @@ static int nau8825_jack_insert(struct nau8825 *nau8825) break; } - if (type & SND_JACK_HEADPHONE) { - /* Unground HPL/R */ - regmap_update_bits(regmap, NAU8825_REG_HSD_CTRL, 0x3, 0); - } - + /* Leaving HPOL/R grounded after jack insert by default. They will be + * ungrounded as part of the widget power up sequence at the beginning + * of playback to reduce pop. + */ return type; } @@ -768,6 +820,8 @@ static void nau8825_init_regs(struct nau8825 *nau8825) { struct regmap *regmap = nau8825->regmap; + /* Latch IIC LSB value */ + regmap_write(regmap, NAU8825_REG_IIC_ADDR_SET, 0x0001); /* Enable Bias/Vmid */ regmap_update_bits(nau8825->regmap, NAU8825_REG_BIAS_ADJ, NAU8825_BIAS_VMID, NAU8825_BIAS_VMID); @@ -780,10 +834,10 @@ static void nau8825_init_regs(struct nau8825 *nau8825) nau8825->vref_impedance << NAU8825_BIAS_VMID_SEL_SFT); /* Disable Boost Driver, Automatic Short circuit protection enable */ regmap_update_bits(regmap, NAU8825_REG_BOOST, - NAU8825_PRECHARGE_DIS | NAU8825_HP_BOOST_G_DIS | - NAU8825_SHORT_SHUTDOWN_EN, - NAU8825_PRECHARGE_DIS | NAU8825_HP_BOOST_G_DIS | - NAU8825_SHORT_SHUTDOWN_EN); + NAU8825_PRECHARGE_DIS | NAU8825_HP_BOOST_DIS | + NAU8825_HP_BOOST_G_DIS | NAU8825_SHORT_SHUTDOWN_EN, + NAU8825_PRECHARGE_DIS | NAU8825_HP_BOOST_DIS | + NAU8825_HP_BOOST_G_DIS | NAU8825_SHORT_SHUTDOWN_EN); regmap_update_bits(regmap, NAU8825_REG_GPIO12_CTRL, NAU8825_JKDET_OUTPUT_EN, @@ -822,6 +876,35 @@ static void nau8825_init_regs(struct nau8825 *nau8825) NAU8825_ADC_SYNC_DOWN_MASK, NAU8825_ADC_SYNC_DOWN_128); regmap_update_bits(regmap, NAU8825_REG_DAC_CTRL1, NAU8825_DAC_OVERSAMPLE_MASK, NAU8825_DAC_OVERSAMPLE_128); + /* Disable DACR/L power */ + regmap_update_bits(regmap, NAU8825_REG_CHARGE_PUMP, + NAU8825_POWER_DOWN_DACR | NAU8825_POWER_DOWN_DACL, + NAU8825_POWER_DOWN_DACR | NAU8825_POWER_DOWN_DACL); + /* Enable TESTDAC. This sets the analog DAC inputs to a '0' input + * signal to avoid any glitches due to power up transients in both + * the analog and digital DAC circuit. + */ + regmap_update_bits(nau8825->regmap, NAU8825_REG_BIAS_ADJ, + NAU8825_BIAS_TESTDAC_EN, NAU8825_BIAS_TESTDAC_EN); + /* CICCLP off */ + regmap_update_bits(regmap, NAU8825_REG_DAC_CTRL1, + NAU8825_DAC_CLIP_OFF, NAU8825_DAC_CLIP_OFF); + + /* Class AB bias current to 2x, DAC Capacitor enable MSB/LSB */ + regmap_update_bits(regmap, NAU8825_REG_ANALOG_CONTROL_2, + NAU8825_HP_NON_CLASSG_CURRENT_2xADJ | + NAU8825_DAC_CAPACITOR_MSB | NAU8825_DAC_CAPACITOR_LSB, + NAU8825_HP_NON_CLASSG_CURRENT_2xADJ | + NAU8825_DAC_CAPACITOR_MSB | NAU8825_DAC_CAPACITOR_LSB); + /* Class G timer 64ms */ + regmap_update_bits(regmap, NAU8825_REG_CLASSG_CTRL, + NAU8825_CLASSG_TIMER_MASK, + 0x20 << NAU8825_CLASSG_TIMER_SFT); + /* DAC clock delay 2ns, VREF */ + regmap_update_bits(regmap, NAU8825_REG_RDAC, + NAU8825_RDAC_CLK_DELAY_MASK | NAU8825_RDAC_VREF_MASK, + (0x2 << NAU8825_RDAC_CLK_DELAY_SFT) | + (0x3 << NAU8825_RDAC_VREF_SFT)); } static const struct regmap_config nau8825_regmap_config = { |