/* * Driver for ADAU1781/ADAU1781 codec * * Copyright 2011-2013 Analog Devices Inc. * Author: Lars-Peter Clausen * * Licensed under the GPL-2 or later. */ #include #include #include #include #include #include #include #include #include #include #include #include "adau17x1.h" #include "adau1781.h" #define ADAU1781_DMIC_BEEP_CTRL 0x4008 #define ADAU1781_LEFT_PGA 0x400e #define ADAU1781_RIGHT_PGA 0x400f #define ADAU1781_LEFT_PLAYBACK_MIXER 0x401c #define ADAU1781_RIGHT_PLAYBACK_MIXER 0x401e #define ADAU1781_MONO_PLAYBACK_MIXER 0x401f #define ADAU1781_LEFT_LINEOUT 0x4025 #define ADAU1781_RIGHT_LINEOUT 0x4026 #define ADAU1781_SPEAKER 0x4027 #define ADAU1781_BEEP_ZC 0x4028 #define ADAU1781_DEJITTER 0x4032 #define ADAU1781_DIG_PWDN0 0x4080 #define ADAU1781_DIG_PWDN1 0x4081 #define ADAU1781_INPUT_DIFFERNTIAL BIT(3) #define ADAU1381_FIRMWARE "adau1381.bin" #define ADAU1781_FIRMWARE "adau1781.bin" static const struct reg_default adau1781_reg_defaults[] = { { ADAU1781_DMIC_BEEP_CTRL, 0x00 }, { ADAU1781_LEFT_PGA, 0xc7 }, { ADAU1781_RIGHT_PGA, 0xc7 }, { ADAU1781_LEFT_PLAYBACK_MIXER, 0x00 }, { ADAU1781_RIGHT_PLAYBACK_MIXER, 0x00 }, { ADAU1781_MONO_PLAYBACK_MIXER, 0x00 }, { ADAU1781_LEFT_LINEOUT, 0x00 }, { ADAU1781_RIGHT_LINEOUT, 0x00 }, { ADAU1781_SPEAKER, 0x00 }, { ADAU1781_BEEP_ZC, 0x19 }, { ADAU1781_DEJITTER, 0x60 }, { ADAU1781_DIG_PWDN1, 0x0c }, { ADAU1781_DIG_PWDN1, 0x00 }, { ADAU17X1_CLOCK_CONTROL, 0x00 }, { ADAU17X1_PLL_CONTROL, 0x00 }, { ADAU17X1_REC_POWER_MGMT, 0x00 }, { ADAU17X1_MICBIAS, 0x04 }, { ADAU17X1_SERIAL_PORT0, 0x00 }, { ADAU17X1_SERIAL_PORT1, 0x00 }, { ADAU17X1_CONVERTER0, 0x00 }, { ADAU17X1_CONVERTER1, 0x00 }, { ADAU17X1_LEFT_INPUT_DIGITAL_VOL, 0x00 }, { ADAU17X1_RIGHT_INPUT_DIGITAL_VOL, 0x00 }, { ADAU17X1_ADC_CONTROL, 0x00 }, { ADAU17X1_PLAY_POWER_MGMT, 0x00 }, { ADAU17X1_DAC_CONTROL0, 0x00 }, { ADAU17X1_DAC_CONTROL1, 0x00 }, { ADAU17X1_DAC_CONTROL2, 0x00 }, { ADAU17X1_SERIAL_PORT_PAD, 0x00 }, { ADAU17X1_CONTROL_PORT_PAD0, 0x00 }, { ADAU17X1_CONTROL_PORT_PAD1, 0x00 }, { ADAU17X1_DSP_SAMPLING_RATE, 0x01 }, { ADAU17X1_SERIAL_INPUT_ROUTE, 0x00 }, { ADAU17X1_SERIAL_OUTPUT_ROUTE, 0x00 }, { ADAU17X1_DSP_ENABLE, 0x00 }, { ADAU17X1_DSP_RUN, 0x00 }, { ADAU17X1_SERIAL_SAMPLING_RATE, 0x00 }, }; static const DECLARE_TLV_DB_SCALE(adau1781_speaker_tlv, 0, 200, 0); static const DECLARE_TLV_DB_RANGE(adau1781_pga_tlv, 0, 1, TLV_DB_SCALE_ITEM(0, 600, 0), 2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0), 4, 4, TLV_DB_SCALE_ITEM(1700, 0, 0), 5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0) ); static const DECLARE_TLV_DB_RANGE(adau1781_beep_tlv, 0, 1, TLV_DB_SCALE_ITEM(0, 600, 0), 2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0), 4, 4, TLV_DB_SCALE_ITEM(-2300, 0, 0), 5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0) ); static const DECLARE_TLV_DB_SCALE(adau1781_sidetone_tlv, -1800, 300, 1); static const char * const adau1781_speaker_bias_select_text[] = { "Normal operation", "Power saving", "Enhanced performance", }; static const char * const adau1781_bias_select_text[] = { "Normal operation", "Extreme power saving", "Power saving", "Enhanced performance", }; static SOC_ENUM_SINGLE_DECL(adau1781_adc_bias_enum, ADAU17X1_REC_POWER_MGMT, 3, adau1781_bias_select_text); static SOC_ENUM_SINGLE_DECL(adau1781_speaker_bias_enum, ADAU17X1_PLAY_POWER_MGMT, 6, adau1781_speaker_bias_select_text); static SOC_ENUM_SINGLE_DECL(adau1781_dac_bias_enum, ADAU17X1_PLAY_POWER_MGMT, 4, adau1781_bias_select_text); static SOC_ENUM_SINGLE_DECL(adau1781_playback_bias_enum, ADAU17X1_PLAY_POWER_MGMT, 2, adau1781_bias_select_text); static SOC_ENUM_SINGLE_DECL(adau1781_capture_bias_enum, ADAU17X1_REC_POWER_MGMT, 1, adau1781_bias_select_text); static const struct snd_kcontrol_new adau1781_controls[] = { SOC_SINGLE_TLV("Beep Capture Volume", ADAU1781_DMIC_BEEP_CTRL, 0, 7, 0, adau1781_beep_tlv), SOC_DOUBLE_R_TLV("PGA Capture Volume", ADAU1781_LEFT_PGA, ADAU1781_RIGHT_PGA, 5, 7, 0, adau1781_pga_tlv), SOC_DOUBLE_R("PGA Capture Switch", ADAU1781_LEFT_PGA, ADAU1781_RIGHT_PGA, 1, 1, 0), SOC_DOUBLE_R("Lineout Playback Switch", ADAU1781_LEFT_LINEOUT, ADAU1781_RIGHT_LINEOUT, 1, 1, 0), SOC_SINGLE("Beep ZC Switch", ADAU1781_BEEP_ZC, 0, 1, 0), SOC_SINGLE("Mono Playback Switch", ADAU1781_MONO_PLAYBACK_MIXER, 0, 1, 0), SOC_SINGLE_TLV("Mono Playback Volume", ADAU1781_SPEAKER, 6, 3, 0, adau1781_speaker_tlv), SOC_ENUM("ADC Bias", adau1781_adc_bias_enum), SOC_ENUM("DAC Bias", adau1781_dac_bias_enum), SOC_ENUM("Capture Bias", adau1781_capture_bias_enum), SOC_ENUM("Playback Bias", adau1781_playback_bias_enum), SOC_ENUM("Speaker Bias", adau1781_speaker_bias_enum), }; static const struct snd_kcontrol_new adau1781_beep_mixer_controls[] = { SOC_DAPM_SINGLE("Beep Capture Switch", ADAU1781_DMIC_BEEP_CTRL, 3, 1, 0), }; static const struct snd_kcontrol_new adau1781_left_mixer_controls[] = { SOC_DAPM_SINGLE_AUTODISABLE("Switch", ADAU1781_LEFT_PLAYBACK_MIXER, 5, 1, 0), SOC_DAPM_SINGLE_TLV("Beep Playback Volume", ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv), }; static const struct snd_kcontrol_new adau1781_right_mixer_controls[] = { SOC_DAPM_SINGLE_AUTODISABLE("Switch", ADAU1781_RIGHT_PLAYBACK_MIXER, 6, 1, 0), SOC_DAPM_SINGLE_TLV("Beep Playback Volume", ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv), }; static const struct snd_kcontrol_new adau1781_mono_mixer_controls[] = { SOC_DAPM_SINGLE_AUTODISABLE("Left Switch", ADAU1781_MONO_PLAYBACK_MIXER, 7, 1, 0), SOC_DAPM_SINGLE_AUTODISABLE("Right Switch", ADAU1781_MONO_PLAYBACK_MIXER, 6, 1, 0), SOC_DAPM_SINGLE_TLV("Beep Playback Volume", ADAU1781_MONO_PLAYBACK_MIXER, 2, 8, 0, adau1781_sidetone_tlv), }; static int adau1781_dejitter_fixup(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_codec *codec = w->codec; struct adau *adau = snd_soc_codec_get_drvdata(codec); /* After any power changes have been made the dejitter circuit * has to be reinitialized. */ regmap_write(adau->regmap, ADAU1781_DEJITTER, 0); if (!adau->master) regmap_write(adau->regmap, ADAU1781_DEJITTER, 5); return 0; } static const struct snd_soc_dapm_widget adau1781_dapm_widgets[] = { SND_SOC_DAPM_PGA("Left PGA", ADAU1781_LEFT_PGA, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("Right PGA", ADAU1781_RIGHT_PGA, 0, 0, NULL, 0), SND_SOC_DAPM_OUT_DRV("Speaker", ADAU1781_SPEAKER, 0, 0, NULL, 0), SOC_MIXER_NAMED_CTL_ARRAY("Beep Mixer", ADAU17X1_MICBIAS, 4, 0, adau1781_beep_mixer_controls), SOC_MIXER_ARRAY("Left Lineout Mixer", SND_SOC_NOPM, 0, 0, adau1781_left_mixer_controls), SOC_MIXER_ARRAY("Right Lineout Mixer", SND_SOC_NOPM, 0, 0, adau1781_right_mixer_controls), SOC_MIXER_ARRAY("Mono Mixer", SND_SOC_NOPM, 0, 0, adau1781_mono_mixer_controls), SND_SOC_DAPM_SUPPLY("Serial Input Routing", ADAU1781_DIG_PWDN0, 2, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("Serial Output Routing", ADAU1781_DIG_PWDN0, 3, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("Clock Domain Transfer", ADAU1781_DIG_PWDN0, 5, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("Serial Ports", ADAU1781_DIG_PWDN0, 4, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("ADC Engine", ADAU1781_DIG_PWDN0, 7, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("DAC Engine", ADAU1781_DIG_PWDN1, 0, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("Digital Mic", ADAU1781_DIG_PWDN1, 1, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("Sound Engine", ADAU1781_DIG_PWDN0, 0, 0, NULL, 0), SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, ADAU1781_DIG_PWDN0, 1, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("Zero Crossing Detector", ADAU1781_DIG_PWDN1, 2, 0, NULL, 0), SND_SOC_DAPM_POST("Dejitter fixup", adau1781_dejitter_fixup), SND_SOC_DAPM_INPUT("BEEP"), SND_SOC_DAPM_OUTPUT("AOUTL"), SND_SOC_DAPM_OUTPUT("AOUTR"), SND_SOC_DAPM_OUTPUT("SP"), SND_SOC_DAPM_INPUT("LMIC"), SND_SOC_DAPM_INPUT("RMIC"), }; static const struct snd_soc_dapm_route adau1781_dapm_routes[] = { { "Left Lineout Mixer", NULL, "Left Playback Enable" }, { "Right Lineout Mixer", NULL, "Right Playback Enable" }, { "Left Lineout Mixer", "Beep Playback Volume", "Beep Mixer" }, { "Left Lineout Mixer", "Switch", "Left DAC" }, { "Right Lineout Mixer", "Beep Playback Volume", "Beep Mixer" }, { "Right Lineout Mixer", "Switch", "Right DAC" }, { "Mono Mixer", "Beep Playback Volume", "Beep Mixer" }, { "Mono Mixer", "Right Switch", "Right DAC" }, { "Mono Mixer", "Left Switch", "Left DAC" }, { "Speaker", NULL, "Mono Mixer" }, { "Mono Mixer", NULL, "SYSCLK" }, { "Left Lineout Mixer", NULL, "SYSCLK" }, { "Left Lineout Mixer", NULL, "SYSCLK" }, { "Beep Mixer", "Beep Capture Switch", "BEEP" }, { "Beep Mixer", NULL, "Zero Crossing Detector" }, { "Left DAC", NULL, "DAC Engine" }, { "Right DAC", NULL, "DAC Engine" }, { "Sound Engine", NULL, "SYSCLK" }, { "DSP", NULL, "Sound Engine" }, { "Left Decimator", NULL, "ADC Engine" }, { "Right Decimator", NULL, "ADC Engine" }, { "AIFCLK", NULL, "SYSCLK" }, { "Playback", NULL, "Serial Input Routing" }, { "Playback", NULL, "Serial Ports" }, { "Playback", NULL, "Clock Domain Transfer" }, { "Capture", NULL, "Serial Output Routing" }, { "Capture", NULL, "Serial Ports" }, { "Capture", NULL, "Clock Domain Transfer" }, { "AOUTL", NULL, "Left Lineout Mixer" }, { "AOUTR", NULL, "Right Lineout Mixer" }, { "SP", NULL, "Speaker" }, }; static const struct snd_soc_dapm_route adau1781_adc_dapm_routes[] = { { "Left PGA", NULL, "LMIC" }, { "Right PGA", NULL, "RMIC" }, { "Left Decimator", NULL, "Left PGA" }, { "Right Decimator", NULL, "Right PGA" }, }; static const char * const adau1781_dmic_select_text[] = { "DMIC1", "DMIC2", }; static SOC_ENUM_SINGLE_VIRT_DECL(adau1781_dmic_select_enum, adau1781_dmic_select_text); static const struct snd_kcontrol_new adau1781_dmic_mux = SOC_DAPM_ENUM("DMIC Select", adau1781_dmic_select_enum); static const struct snd_soc_dapm_widget adau1781_dmic_dapm_widgets[] = { SND_SOC_DAPM_MUX("DMIC Select", SND_SOC_NOPM, 0, 0, &adau1781_dmic_mux), SND_SOC_DAPM_ADC("DMIC1", NULL, ADAU1781_DMIC_BEEP_CTRL, 4, 0), SND_SOC_DAPM_ADC("DMIC2", NULL, ADAU1781_DMIC_BEEP_CTRL, 5, 0), }; static const struct snd_soc_dapm_route adau1781_dmic_dapm_routes[] = { { "DMIC1", NULL, "LMIC" }, { "DMIC2", NULL, "RMIC" }, { "DMIC1", NULL, "Digital Mic" }, { "DMIC2", NULL, "Digital Mic" }, { "DMIC Select", "DMIC1", "DMIC1" }, { "DMIC Select", "DMIC2", "DMIC2" }, { "Left Decimator", NULL, "DMIC Select" }, { "Right Decimator", NULL, "DMIC Select" }, }; static int adau1781_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { struct adau *adau = snd_soc_codec_get_drvdata(codec); switch (level) { case SND_SOC_BIAS_ON: break; case SND_SOC_BIAS_PREPARE: break; case SND_SOC_BIAS_STANDBY: regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL, ADAU17X1_CLOCK_CONTROL_SYSCLK_EN, ADAU17X1_CLOCK_CONTROL_SYSCLK_EN); /* Precharge */ regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0x8, 0x8); break; case SND_SOC_BIAS_OFF: regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0xc, 0x0); regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL, ADAU17X1_CLOCK_CONTROL_SYSCLK_EN, 0); break; } codec->dapm.bias_level = level; return 0; } static bool adau1781_readable_register(struct device *dev, unsigned int reg) { switch (reg) { case ADAU1781_DMIC_BEEP_CTRL: case ADAU1781_LEFT_PGA: case ADAU1781_RIGHT_PGA: case ADAU1781_LEFT_PLAYBACK_MIXER: case ADAU1781_RIGHT_PLAYBACK_MIXER: case ADAU1781_MONO_PLAYBACK_MIXER: case ADAU1781_LEFT_LINEOUT: case ADAU1781_RIGHT_LINEOUT: case ADAU1781_SPEAKER: case ADAU1781_BEEP_ZC: case ADAU1781_DEJITTER: case ADAU1781_DIG_PWDN0: case ADAU1781_DIG_PWDN1: return true; default: break; } return adau17x1_readable_register(dev, reg); } static int adau1781_set_input_mode(struct adau *adau, unsigned int reg, bool differential) { unsigned int val; if (differential) val = ADAU1781_INPUT_DIFFERNTIAL; else val = 0; return regmap_update_bits(adau->regmap, reg, ADAU1781_INPUT_DIFFERNTIAL, val); } static int adau1781_codec_probe(struct snd_soc_codec *codec) { struct adau1781_platform_data *pdata = dev_get_platdata(codec->dev); struct adau *adau = snd_soc_codec_get_drvdata(codec); int ret; ret = adau17x1_add_widgets(codec); if (ret) return ret; if (pdata) { ret = adau1781_set_input_mode(adau, ADAU1781_LEFT_PGA, pdata->left_input_differential); if (ret) return ret; ret = adau1781_set_input_mode(adau, ADAU1781_RIGHT_PGA, pdata->right_input_differential); if (ret) return ret; } if (pdata && pdata->use_dmic) { ret = snd_soc_dapm_new_controls(&codec->dapm, adau1781_dmic_dapm_widgets, ARRAY_SIZE(adau1781_dmic_dapm_widgets)); if (ret) return ret; ret = snd_soc_dapm_add_routes(&codec->dapm, adau1781_dmic_dapm_routes, ARRAY_SIZE(adau1781_dmic_dapm_routes)); if (ret) return ret; } else { ret = snd_soc_dapm_add_routes(&codec->dapm, adau1781_adc_dapm_routes, ARRAY_SIZE(adau1781_adc_dapm_routes)); if (ret) return ret; } ret = adau17x1_add_routes(codec); if (ret < 0) return ret; return 0; } static const struct snd_soc_codec_driver adau1781_codec_driver = { .probe = adau1781_codec_probe, .resume = adau17x1_resume, .set_bias_level = adau1781_set_bias_level, .suspend_bias_off = true, .controls = adau1781_controls, .num_controls = ARRAY_SIZE(adau1781_controls), .dapm_widgets = adau1781_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(adau1781_dapm_widgets), .dapm_routes = adau1781_dapm_routes, .num_dapm_routes = ARRAY_SIZE(adau1781_dapm_routes), }; #define ADAU1781_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \ SNDRV_PCM_FMTBIT_S32_LE) static struct snd_soc_dai_driver adau1781_dai_driver = { .name = "adau-hifi", .playback = { .stream_name = "Playback", .channels_min = 2, .channels_max = 8, .rates = SNDRV_PCM_RATE_8000_96000, .formats = ADAU1781_FORMATS, }, .capture = { .stream_name = "Capture", .channels_min = 2, .channels_max = 8, .rates = SNDRV_PCM_RATE_8000_96000, .formats = ADAU1781_FORMATS, }, .ops = &adau17x1_dai_ops, }; const struct regmap_config adau1781_regmap_config = { .val_bits = 8, .reg_bits = 16, .max_register = 0x40f8, .reg_defaults = adau1781_reg_defaults, .num_reg_defaults = ARRAY_SIZE(adau1781_reg_defaults), .readable_reg = adau1781_readable_register, .volatile_reg = adau17x1_volatile_register, .precious_reg = adau17x1_precious_register, .cache_type = REGCACHE_RBTREE, }; EXPORT_SYMBOL_GPL(adau1781_regmap_config); int adau1781_probe(struct device *dev, struct regmap *regmap, enum adau17x1_type type, void (*switch_mode)(struct device *dev)) { const char *firmware_name; int ret; switch (type) { case ADAU1381: firmware_name = ADAU1381_FIRMWARE; break; case ADAU1781: firmware_name = ADAU1781_FIRMWARE; break; default: return -EINVAL; } ret = adau17x1_probe(dev, regmap, type, switch_mode, firmware_name); if (ret) return ret; return snd_soc_register_codec(dev, &adau1781_codec_driver, &adau1781_dai_driver, 1); } EXPORT_SYMBOL_GPL(adau1781_probe); MODULE_DESCRIPTION("ASoC ADAU1381/ADAU1781 driver"); MODULE_AUTHOR("Lars-Peter Clausen "); MODULE_LICENSE("GPL");