// SPDX-License-Identifier: GPL-2.0-only /* * rt274.c -- RT274 ALSA SoC audio codec driver * * Copyright 2017 Realtek Semiconductor Corp. * Author: Bard Liao */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "rl6347a.h" #include "rt274.h" #define RT274_VENDOR_ID 0x10ec0274 struct rt274_priv { struct reg_default *index_cache; int index_cache_size; struct regmap *regmap; struct snd_soc_component *component; struct i2c_client *i2c; struct snd_soc_jack *jack; struct delayed_work jack_detect_work; int sys_clk; int clk_id; int fs; bool master; }; static const struct reg_default rt274_index_def[] = { { 0x00, 0x1004 }, { 0x01, 0xaaaa }, { 0x02, 0x88aa }, { 0x03, 0x0002 }, { 0x04, 0xaa09 }, { 0x05, 0x0700 }, { 0x06, 0x6110 }, { 0x07, 0x0200 }, { 0x08, 0xa807 }, { 0x09, 0x0021 }, { 0x0a, 0x7770 }, { 0x0b, 0x7770 }, { 0x0c, 0x002b }, { 0x0d, 0x2420 }, { 0x0e, 0x65c0 }, { 0x0f, 0x7770 }, { 0x10, 0x0420 }, { 0x11, 0x7418 }, { 0x12, 0x6bd0 }, { 0x13, 0x645f }, { 0x14, 0x0400 }, { 0x15, 0x8ccc }, { 0x16, 0x4c50 }, { 0x17, 0xff00 }, { 0x18, 0x0003 }, { 0x19, 0x2c11 }, { 0x1a, 0x830b }, { 0x1b, 0x4e4b }, { 0x1c, 0x0000 }, { 0x1d, 0x0000 }, { 0x1e, 0x0000 }, { 0x1f, 0x0000 }, { 0x20, 0x51ff }, { 0x21, 0x8000 }, { 0x22, 0x8f00 }, { 0x23, 0x88f4 }, { 0x24, 0x0000 }, { 0x25, 0x0000 }, { 0x26, 0x0000 }, { 0x27, 0x0000 }, { 0x28, 0x0000 }, { 0x29, 0x3000 }, { 0x2a, 0x0000 }, { 0x2b, 0x0000 }, { 0x2c, 0x0f00 }, { 0x2d, 0x100f }, { 0x2e, 0x2902 }, { 0x2f, 0xe280 }, { 0x30, 0x1000 }, { 0x31, 0x8400 }, { 0x32, 0x5aaa }, { 0x33, 0x8420 }, { 0x34, 0xa20c }, { 0x35, 0x096a }, { 0x36, 0x5757 }, { 0x37, 0xfe05 }, { 0x38, 0x4901 }, { 0x39, 0x110a }, { 0x3a, 0x0010 }, { 0x3b, 0x60d9 }, { 0x3c, 0xf214 }, { 0x3d, 0xc2ba }, { 0x3e, 0xa928 }, { 0x3f, 0x0000 }, { 0x40, 0x9800 }, { 0x41, 0x0000 }, { 0x42, 0x2000 }, { 0x43, 0x3d90 }, { 0x44, 0x4900 }, { 0x45, 0x5289 }, { 0x46, 0x0004 }, { 0x47, 0xa47a }, { 0x48, 0xd049 }, { 0x49, 0x0049 }, { 0x4a, 0xa83b }, { 0x4b, 0x0777 }, { 0x4c, 0x065c }, { 0x4d, 0x7fff }, { 0x4e, 0x7fff }, { 0x4f, 0x0000 }, { 0x50, 0x0000 }, { 0x51, 0x0000 }, { 0x52, 0xbf5f }, { 0x53, 0x3320 }, { 0x54, 0xcc00 }, { 0x55, 0x0000 }, { 0x56, 0x3f00 }, { 0x57, 0x0000 }, { 0x58, 0x0000 }, { 0x59, 0x0000 }, { 0x5a, 0x1300 }, { 0x5b, 0x005f }, { 0x5c, 0x0000 }, { 0x5d, 0x1001 }, { 0x5e, 0x1000 }, { 0x5f, 0x0000 }, { 0x60, 0x5554 }, { 0x61, 0xffc0 }, { 0x62, 0xa000 }, { 0x63, 0xd010 }, { 0x64, 0x0000 }, { 0x65, 0x3fb1 }, { 0x66, 0x1881 }, { 0x67, 0xc810 }, { 0x68, 0x2000 }, { 0x69, 0xfff0 }, { 0x6a, 0x0300 }, { 0x6b, 0x5060 }, { 0x6c, 0x0000 }, { 0x6d, 0x0000 }, { 0x6e, 0x0c25 }, { 0x6f, 0x0c0b }, { 0x70, 0x8000 }, { 0x71, 0x4008 }, { 0x72, 0x0000 }, { 0x73, 0x0800 }, { 0x74, 0xa28f }, { 0x75, 0xa050 }, { 0x76, 0x7fe8 }, { 0x77, 0xdb8c }, { 0x78, 0x0000 }, { 0x79, 0x0000 }, { 0x7a, 0x2a96 }, { 0x7b, 0x800f }, { 0x7c, 0x0200 }, { 0x7d, 0x1600 }, { 0x7e, 0x0000 }, { 0x7f, 0x0000 }, }; #define INDEX_CACHE_SIZE ARRAY_SIZE(rt274_index_def) static const struct reg_default rt274_reg[] = { { 0x00170500, 0x00000400 }, { 0x00220000, 0x00000031 }, { 0x00239000, 0x00000057 }, { 0x0023a000, 0x00000057 }, { 0x00270500, 0x00000400 }, { 0x00370500, 0x00000400 }, { 0x00870500, 0x00000400 }, { 0x00920000, 0x00000031 }, { 0x00935000, 0x00000097 }, { 0x00936000, 0x00000097 }, { 0x00970500, 0x00000400 }, { 0x00b37000, 0x00000400 }, { 0x00b37200, 0x00000400 }, { 0x00b37300, 0x00000400 }, { 0x00c37000, 0x00000400 }, { 0x00c37100, 0x00000400 }, { 0x01270500, 0x00000400 }, { 0x01370500, 0x00000400 }, { 0x01371f00, 0x411111f0 }, { 0x01937000, 0x00000000 }, { 0x01970500, 0x00000400 }, { 0x02050000, 0x0000001b }, { 0x02139000, 0x00000080 }, { 0x0213a000, 0x00000080 }, { 0x02170100, 0x00000001 }, { 0x02170500, 0x00000400 }, { 0x02170700, 0x00000000 }, { 0x02270100, 0x00000000 }, { 0x02370100, 0x00000000 }, { 0x01970700, 0x00000020 }, { 0x00830000, 0x00000097 }, { 0x00930000, 0x00000097 }, { 0x01270700, 0x00000000 }, }; static bool rt274_volatile_register(struct device *dev, unsigned int reg) { switch (reg) { case 0 ... 0xff: case RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID): case RT274_GET_HP_SENSE: case RT274_GET_MIC_SENSE: case RT274_PROC_COEF: case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_MIC, 0): case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_HP_OUT, 0): case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT0, 0): case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT1, 0): case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN1, 0): case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN2, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT0, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT1, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN1, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN2, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC1, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC2, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_MIC, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE1, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE2, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_HP_OUT, 0): case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_HP_OUT, 0): case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN1, 0): case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN2, 0): case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC1, 0): case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC2, 0): case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_MIC, 0): case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE1, 0): case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE2, 0): case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_HP_OUT, 0): case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_HP_OUT, 0): case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_MIC, 0): case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_INLINE_CMD, 0): return true; default: return false; } } static bool rt274_readable_register(struct device *dev, unsigned int reg) { switch (reg) { case 0 ... 0xff: case RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID): case RT274_GET_HP_SENSE: case RT274_GET_MIC_SENSE: case RT274_SET_AUDIO_POWER: case RT274_SET_HPO_POWER: case RT274_SET_DMIC1_POWER: case RT274_LOUT_MUX: case RT274_HPO_MUX: case RT274_ADC0_MUX: case RT274_ADC1_MUX: case RT274_SET_MIC: case RT274_SET_PIN_HPO: case RT274_SET_PIN_LOUT3: case RT274_SET_PIN_DMIC1: case RT274_SET_AMP_GAIN_HPO: case RT274_SET_DMIC2_DEFAULT: case RT274_DAC0L_GAIN: case RT274_DAC0R_GAIN: case RT274_DAC1L_GAIN: case RT274_DAC1R_GAIN: case RT274_ADCL_GAIN: case RT274_ADCR_GAIN: case RT274_MIC_GAIN: case RT274_HPOL_GAIN: case RT274_HPOR_GAIN: case RT274_LOUTL_GAIN: case RT274_LOUTR_GAIN: case RT274_DAC_FORMAT: case RT274_ADC_FORMAT: case RT274_COEF_INDEX: case RT274_PROC_COEF: case RT274_SET_AMP_GAIN_ADC_IN1: case RT274_SET_AMP_GAIN_ADC_IN2: case RT274_SET_POWER(RT274_DAC_OUT0): case RT274_SET_POWER(RT274_DAC_OUT1): case RT274_SET_POWER(RT274_ADC_IN1): case RT274_SET_POWER(RT274_ADC_IN2): case RT274_SET_POWER(RT274_DMIC2): case RT274_SET_POWER(RT274_MIC): case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_MIC, 0): case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_HP_OUT, 0): case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT0, 0): case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT1, 0): case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN1, 0): case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN2, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT0, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT1, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN1, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN2, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC1, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC2, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_MIC, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE1, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE2, 0): case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_HP_OUT, 0): case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_HP_OUT, 0): case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN1, 0): case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN2, 0): case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC1, 0): case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC2, 0): case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_MIC, 0): case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE1, 0): case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE2, 0): case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_HP_OUT, 0): case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_HP_OUT, 0): case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_MIC, 0): case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_INLINE_CMD, 0): return true; default: return false; } } #ifdef CONFIG_PM static void rt274_index_sync(struct snd_soc_component *component) { struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); int i; for (i = 0; i < INDEX_CACHE_SIZE; i++) { snd_soc_component_write(component, rt274->index_cache[i].reg, rt274->index_cache[i].def); } } #endif static int rt274_jack_detect(struct rt274_priv *rt274, bool *hp, bool *mic) { unsigned int buf; int ret; *hp = false; *mic = false; if (!rt274->component) return -EINVAL; ret = regmap_read(rt274->regmap, RT274_GET_HP_SENSE, &buf); if (ret) return ret; *hp = buf & 0x80000000; ret = regmap_read(rt274->regmap, RT274_GET_MIC_SENSE, &buf); if (ret) return ret; *mic = buf & 0x80000000; pr_debug("*hp = %d *mic = %d\n", *hp, *mic); return 0; } static void rt274_jack_detect_work(struct work_struct *work) { struct rt274_priv *rt274 = container_of(work, struct rt274_priv, jack_detect_work.work); int status = 0; bool hp = false; bool mic = false; if (rt274_jack_detect(rt274, &hp, &mic) < 0) return; if (hp) status |= SND_JACK_HEADPHONE; if (mic) status |= SND_JACK_MICROPHONE; snd_soc_jack_report(rt274->jack, status, SND_JACK_MICROPHONE | SND_JACK_HEADPHONE); } static irqreturn_t rt274_irq(int irq, void *data); static int rt274_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *jack, void *data) { struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); rt274->jack = jack; if (jack == NULL) { /* Disable jack detection */ regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL, RT274_IRQ_EN, RT274_IRQ_DIS); return 0; } regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL, RT274_IRQ_EN, RT274_IRQ_EN); /* Send an initial report */ rt274_irq(0, rt274); return 0; } static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0); static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0); static const struct snd_kcontrol_new rt274_snd_controls[] = { SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT274_DAC0L_GAIN, RT274_DAC0R_GAIN, 0, 0x7f, 0, out_vol_tlv), SOC_DOUBLE_R_TLV("DAC1 Playback Volume", RT274_DAC1L_GAIN, RT274_DAC1R_GAIN, 0, 0x7f, 0, out_vol_tlv), SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT274_ADCL_GAIN, RT274_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv), SOC_DOUBLE_R("ADC0 Capture Switch", RT274_ADCL_GAIN, RT274_ADCR_GAIN, RT274_MUTE_SFT, 1, 1), SOC_SINGLE_TLV("AMIC Volume", RT274_MIC_GAIN, 0, 0x3, 0, mic_vol_tlv), }; static const struct snd_kcontrol_new hpol_enable_control = SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_HPOL_GAIN, RT274_MUTE_SFT, 1, 1); static const struct snd_kcontrol_new hpor_enable_control = SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_HPOR_GAIN, RT274_MUTE_SFT, 1, 1); static const struct snd_kcontrol_new loutl_enable_control = SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_LOUTL_GAIN, RT274_MUTE_SFT, 1, 1); static const struct snd_kcontrol_new loutr_enable_control = SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_LOUTR_GAIN, RT274_MUTE_SFT, 1, 1); /* ADC0 source */ static const char * const rt274_adc_src[] = { "Mic", "Line1", "Line2", "Dmic" }; static SOC_ENUM_SINGLE_DECL( rt274_adc0_enum, RT274_ADC0_MUX, RT274_ADC_SEL_SFT, rt274_adc_src); static const struct snd_kcontrol_new rt274_adc0_mux = SOC_DAPM_ENUM("ADC 0 source", rt274_adc0_enum); static SOC_ENUM_SINGLE_DECL( rt274_adc1_enum, RT274_ADC1_MUX, RT274_ADC_SEL_SFT, rt274_adc_src); static const struct snd_kcontrol_new rt274_adc1_mux = SOC_DAPM_ENUM("ADC 1 source", rt274_adc1_enum); static const char * const rt274_dac_src[] = { "DAC OUT0", "DAC OUT1" }; /* HP-OUT source */ static SOC_ENUM_SINGLE_DECL(rt274_hpo_enum, RT274_HPO_MUX, 0, rt274_dac_src); static const struct snd_kcontrol_new rt274_hpo_mux = SOC_DAPM_ENUM("HPO source", rt274_hpo_enum); /* Line out source */ static SOC_ENUM_SINGLE_DECL(rt274_lout_enum, RT274_LOUT_MUX, 0, rt274_dac_src); static const struct snd_kcontrol_new rt274_lout_mux = SOC_DAPM_ENUM("LOUT source", rt274_lout_enum); static const struct snd_soc_dapm_widget rt274_dapm_widgets[] = { /* Input Lines */ SND_SOC_DAPM_INPUT("DMIC1 Pin"), SND_SOC_DAPM_INPUT("DMIC2 Pin"), SND_SOC_DAPM_INPUT("MIC"), SND_SOC_DAPM_INPUT("LINE1"), SND_SOC_DAPM_INPUT("LINE2"), /* DMIC */ SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("DMIC2", SND_SOC_NOPM, 0, 0, NULL, 0), /* ADCs */ SND_SOC_DAPM_ADC("ADC 0", NULL, RT274_SET_STREAMID_ADC1, 4, 0), SND_SOC_DAPM_ADC("ADC 1", NULL, RT274_SET_STREAMID_ADC2, 4, 0), /* ADC Mux */ SND_SOC_DAPM_MUX("ADC 0 Mux", SND_SOC_NOPM, 0, 0, &rt274_adc0_mux), SND_SOC_DAPM_MUX("ADC 1 Mux", SND_SOC_NOPM, 0, 0, &rt274_adc1_mux), /* Audio Interface */ SND_SOC_DAPM_AIF_IN("AIF1RXL", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_AIF_IN("AIF1RXR", "AIF1 Playback", 1, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_AIF_OUT("AIF1TXL", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_AIF_OUT("AIF1TXR", "AIF1 Capture", 1, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_AIF_IN("AIF2RXL", "AIF1 Playback", 2, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_AIF_IN("AIF2RXR", "AIF1 Playback", 3, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_AIF_OUT("AIF2TXL", "AIF1 Capture", 2, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_AIF_OUT("AIF2TXR", "AIF1 Capture", 3, SND_SOC_NOPM, 0, 0), /* Output Side */ /* DACs */ SND_SOC_DAPM_DAC("DAC 0", NULL, RT274_SET_STREAMID_DAC0, 4, 0), SND_SOC_DAPM_DAC("DAC 1", NULL, RT274_SET_STREAMID_DAC1, 4, 0), /* Output Mux */ SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt274_hpo_mux), SND_SOC_DAPM_MUX("LOUT Mux", SND_SOC_NOPM, 0, 0, &rt274_lout_mux), SND_SOC_DAPM_SUPPLY("HP Power", RT274_SET_PIN_HPO, RT274_SET_PIN_SFT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("LOUT Power", RT274_SET_PIN_LOUT3, RT274_SET_PIN_SFT, 0, NULL, 0), /* Output Mixer */ SND_SOC_DAPM_PGA("DAC OUT0", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("DAC OUT1", SND_SOC_NOPM, 0, 0, NULL, 0), /* Output Pga */ SND_SOC_DAPM_SWITCH("LOUT L", SND_SOC_NOPM, 0, 0, &loutl_enable_control), SND_SOC_DAPM_SWITCH("LOUT R", SND_SOC_NOPM, 0, 0, &loutr_enable_control), SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0, &hpol_enable_control), SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0, &hpor_enable_control), /* Output Lines */ SND_SOC_DAPM_OUTPUT("HPO Pin"), SND_SOC_DAPM_OUTPUT("SPDIF"), SND_SOC_DAPM_OUTPUT("LINE3"), }; static const struct snd_soc_dapm_route rt274_dapm_routes[] = { {"DMIC1", NULL, "DMIC1 Pin"}, {"DMIC2", NULL, "DMIC2 Pin"}, {"ADC 0 Mux", "Mic", "MIC"}, {"ADC 0 Mux", "Dmic", "DMIC1"}, {"ADC 0 Mux", "Line1", "LINE1"}, {"ADC 0 Mux", "Line2", "LINE2"}, {"ADC 1 Mux", "Mic", "MIC"}, {"ADC 1 Mux", "Dmic", "DMIC2"}, {"ADC 1 Mux", "Line1", "LINE1"}, {"ADC 1 Mux", "Line2", "LINE2"}, {"ADC 0", NULL, "ADC 0 Mux"}, {"ADC 1", NULL, "ADC 1 Mux"}, {"AIF1TXL", NULL, "ADC 0"}, {"AIF1TXR", NULL, "ADC 0"}, {"AIF2TXL", NULL, "ADC 1"}, {"AIF2TXR", NULL, "ADC 1"}, {"DAC 0", NULL, "AIF1RXL"}, {"DAC 0", NULL, "AIF1RXR"}, {"DAC 1", NULL, "AIF2RXL"}, {"DAC 1", NULL, "AIF2RXR"}, {"DAC OUT0", NULL, "DAC 0"}, {"DAC OUT1", NULL, "DAC 1"}, {"LOUT Mux", "DAC OUT0", "DAC OUT0"}, {"LOUT Mux", "DAC OUT1", "DAC OUT1"}, {"LOUT L", "Switch", "LOUT Mux"}, {"LOUT R", "Switch", "LOUT Mux"}, {"LOUT L", NULL, "LOUT Power"}, {"LOUT R", NULL, "LOUT Power"}, {"LINE3", NULL, "LOUT L"}, {"LINE3", NULL, "LOUT R"}, {"HPO Mux", "DAC OUT0", "DAC OUT0"}, {"HPO Mux", "DAC OUT1", "DAC OUT1"}, {"HPO L", "Switch", "HPO Mux"}, {"HPO R", "Switch", "HPO Mux"}, {"HPO L", NULL, "HP Power"}, {"HPO R", NULL, "HP Power"}, {"HPO Pin", NULL, "HPO L"}, {"HPO Pin", NULL, "HPO R"}, }; static int rt274_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { struct snd_soc_component *component = dai->component; struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); unsigned int val = 0; int d_len_code = 0, c_len_code = 0; switch (params_rate(params)) { /* bit 14 0:48K 1:44.1K */ case 44100: case 48000: break; default: dev_err(component->dev, "Unsupported sample rate %d\n", params_rate(params)); return -EINVAL; } switch (rt274->sys_clk) { case 12288000: case 24576000: if (params_rate(params) != 48000) { dev_err(component->dev, "Sys_clk is not matched (%d %d)\n", params_rate(params), rt274->sys_clk); return -EINVAL; } break; case 11289600: case 22579200: if (params_rate(params) != 44100) { dev_err(component->dev, "Sys_clk is not matched (%d %d)\n", params_rate(params), rt274->sys_clk); return -EINVAL; } break; } if (params_channels(params) <= 16) { /* bit 3:0 Number of Channel */ val |= (params_channels(params) - 1); } else { dev_err(component->dev, "Unsupported channels %d\n", params_channels(params)); return -EINVAL; } switch (params_width(params)) { /* bit 6:4 Bits per Sample */ case 16: d_len_code = 0; c_len_code = 0; val |= (0x1 << 4); break; case 32: d_len_code = 2; c_len_code = 3; val |= (0x4 << 4); break; case 20: d_len_code = 1; c_len_code = 1; val |= (0x2 << 4); break; case 24: d_len_code = 2; c_len_code = 2; val |= (0x3 << 4); break; case 8: d_len_code = 3; c_len_code = 0; break; default: return -EINVAL; } if (rt274->master) c_len_code = 0x3; snd_soc_component_update_bits(component, RT274_I2S_CTRL1, 0xc018, d_len_code << 3 | c_len_code << 14); dev_dbg(component->dev, "format val = 0x%x\n", val); snd_soc_component_update_bits(component, RT274_DAC_FORMAT, 0x407f, val); snd_soc_component_update_bits(component, RT274_ADC_FORMAT, 0x407f, val); return 0; } static int rt274_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct snd_soc_component *component = dai->component; struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBM_CFM: snd_soc_component_update_bits(component, RT274_I2S_CTRL1, RT274_I2S_MODE_MASK, RT274_I2S_MODE_M); rt274->master = true; break; case SND_SOC_DAIFMT_CBS_CFS: snd_soc_component_update_bits(component, RT274_I2S_CTRL1, RT274_I2S_MODE_MASK, RT274_I2S_MODE_S); rt274->master = false; break; default: return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: snd_soc_component_update_bits(component, RT274_I2S_CTRL1, RT274_I2S_FMT_MASK, RT274_I2S_FMT_I2S); break; case SND_SOC_DAIFMT_LEFT_J: snd_soc_component_update_bits(component, RT274_I2S_CTRL1, RT274_I2S_FMT_MASK, RT274_I2S_FMT_LJ); break; case SND_SOC_DAIFMT_DSP_A: snd_soc_component_update_bits(component, RT274_I2S_CTRL1, RT274_I2S_FMT_MASK, RT274_I2S_FMT_PCMA); break; case SND_SOC_DAIFMT_DSP_B: snd_soc_component_update_bits(component, RT274_I2S_CTRL1, RT274_I2S_FMT_MASK, RT274_I2S_FMT_PCMB); break; default: return -EINVAL; } /* bit 15 Stream Type 0:PCM 1:Non-PCM */ snd_soc_component_update_bits(component, RT274_DAC_FORMAT, 0x8000, 0); snd_soc_component_update_bits(component, RT274_ADC_FORMAT, 0x8000, 0); return 0; } static int rt274_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source, unsigned int freq_in, unsigned int freq_out) { struct snd_soc_component *component = dai->component; struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); switch (source) { case RT274_PLL2_S_MCLK: snd_soc_component_update_bits(component, RT274_PLL2_CTRL, RT274_PLL2_SRC_MASK, RT274_PLL2_SRC_MCLK); break; default: dev_warn(component->dev, "invalid pll source, use BCLK\n"); fallthrough; case RT274_PLL2_S_BCLK: snd_soc_component_update_bits(component, RT274_PLL2_CTRL, RT274_PLL2_SRC_MASK, RT274_PLL2_SRC_BCLK); break; } if (source == RT274_PLL2_S_BCLK) { snd_soc_component_update_bits(component, RT274_MCLK_CTRL, (0x3 << 12), (0x3 << 12)); switch (rt274->fs) { case 50: snd_soc_component_write(component, 0x7a, 0xaab6); snd_soc_component_write(component, 0x7b, 0x0301); snd_soc_component_write(component, 0x7c, 0x04fe); break; case 64: snd_soc_component_write(component, 0x7a, 0xaa96); snd_soc_component_write(component, 0x7b, 0x8003); snd_soc_component_write(component, 0x7c, 0x081e); break; case 128: snd_soc_component_write(component, 0x7a, 0xaa96); snd_soc_component_write(component, 0x7b, 0x8003); snd_soc_component_write(component, 0x7c, 0x080e); break; default: dev_warn(component->dev, "invalid freq_in, assume 4.8M\n"); fallthrough; case 100: snd_soc_component_write(component, 0x7a, 0xaab6); snd_soc_component_write(component, 0x7b, 0x0301); snd_soc_component_write(component, 0x7c, 0x047e); break; } } return 0; } static int rt274_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { struct snd_soc_component *component = dai->component; struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); unsigned int clk_src, mclk_en; dev_dbg(component->dev, "%s freq=%d\n", __func__, freq); switch (clk_id) { case RT274_SCLK_S_MCLK: mclk_en = RT274_MCLK_MODE_EN; clk_src = RT274_CLK_SRC_MCLK; break; case RT274_SCLK_S_PLL1: mclk_en = RT274_MCLK_MODE_DIS; clk_src = RT274_CLK_SRC_MCLK; break; case RT274_SCLK_S_PLL2: mclk_en = RT274_MCLK_MODE_EN; clk_src = RT274_CLK_SRC_PLL2; break; default: mclk_en = RT274_MCLK_MODE_DIS; clk_src = RT274_CLK_SRC_MCLK; dev_warn(component->dev, "invalid sysclk source, use PLL1\n"); break; } snd_soc_component_update_bits(component, RT274_MCLK_CTRL, RT274_MCLK_MODE_MASK, mclk_en); snd_soc_component_update_bits(component, RT274_CLK_CTRL, RT274_CLK_SRC_MASK, clk_src); switch (freq) { case 19200000: if (clk_id == RT274_SCLK_S_MCLK) { dev_err(component->dev, "Should not use MCLK\n"); return -EINVAL; } snd_soc_component_update_bits(component, RT274_I2S_CTRL2, 0x40, 0x40); break; case 24000000: if (clk_id == RT274_SCLK_S_MCLK) { dev_err(component->dev, "Should not use MCLK\n"); return -EINVAL; } snd_soc_component_update_bits(component, RT274_I2S_CTRL2, 0x40, 0x0); break; case 12288000: case 11289600: snd_soc_component_update_bits(component, RT274_MCLK_CTRL, 0x1fcf, 0x0008); break; case 24576000: case 22579200: snd_soc_component_update_bits(component, RT274_MCLK_CTRL, 0x1fcf, 0x1543); break; default: dev_err(component->dev, "Unsupported system clock\n"); return -EINVAL; } rt274->sys_clk = freq; rt274->clk_id = clk_id; return 0; } static int rt274_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) { struct snd_soc_component *component = dai->component; struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); dev_dbg(component->dev, "%s ratio=%d\n", __func__, ratio); rt274->fs = ratio; if ((ratio / 50) == 0) snd_soc_component_update_bits(component, RT274_I2S_CTRL1, 0x1000, 0x1000); else snd_soc_component_update_bits(component, RT274_I2S_CTRL1, 0x1000, 0x0); return 0; } static int rt274_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) { struct snd_soc_component *component = dai->component; if (rx_mask || tx_mask) { snd_soc_component_update_bits(component, RT274_I2S_CTRL1, RT274_TDM_EN, RT274_TDM_EN); } else { snd_soc_component_update_bits(component, RT274_I2S_CTRL1, RT274_TDM_EN, RT274_TDM_DIS); return 0; } switch (slots) { case 4: snd_soc_component_update_bits(component, RT274_I2S_CTRL1, RT274_TDM_CH_NUM, RT274_TDM_4CH); break; case 2: snd_soc_component_update_bits(component, RT274_I2S_CTRL1, RT274_TDM_CH_NUM, RT274_TDM_2CH); break; default: dev_err(component->dev, "Support 2 or 4 slots TDM only\n"); return -EINVAL; } return 0; } static int rt274_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { switch (level) { case SND_SOC_BIAS_PREPARE: if (SND_SOC_BIAS_STANDBY == snd_soc_component_get_bias_level(component)) { snd_soc_component_write(component, RT274_SET_AUDIO_POWER, AC_PWRST_D0); } break; case SND_SOC_BIAS_STANDBY: snd_soc_component_write(component, RT274_SET_AUDIO_POWER, AC_PWRST_D3); break; default: break; } return 0; } static irqreturn_t rt274_irq(int irq, void *data) { struct rt274_priv *rt274 = data; bool hp = false; bool mic = false; int ret, status = 0; /* Clear IRQ */ regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL, RT274_IRQ_CLR, RT274_IRQ_CLR); ret = rt274_jack_detect(rt274, &hp, &mic); if (ret == 0) { if (hp) status |= SND_JACK_HEADPHONE; if (mic) status |= SND_JACK_MICROPHONE; snd_soc_jack_report(rt274->jack, status, SND_JACK_MICROPHONE | SND_JACK_HEADPHONE); pm_wakeup_event(&rt274->i2c->dev, 300); } return IRQ_HANDLED; } static int rt274_probe(struct snd_soc_component *component) { struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); rt274->component = component; INIT_DELAYED_WORK(&rt274->jack_detect_work, rt274_jack_detect_work); if (rt274->i2c->irq) schedule_delayed_work(&rt274->jack_detect_work, msecs_to_jiffies(1250)); return 0; } static void rt274_remove(struct snd_soc_component *component) { struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); cancel_delayed_work_sync(&rt274->jack_detect_work); } #ifdef CONFIG_PM static int rt274_suspend(struct snd_soc_component *component) { struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); regcache_cache_only(rt274->regmap, true); regcache_mark_dirty(rt274->regmap); return 0; } static int rt274_resume(struct snd_soc_component *component) { struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); regcache_cache_only(rt274->regmap, false); rt274_index_sync(component); regcache_sync(rt274->regmap); return 0; } #else #define rt274_suspend NULL #define rt274_resume NULL #endif #define RT274_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) #define RT274_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8) static const struct snd_soc_dai_ops rt274_aif_dai_ops = { .hw_params = rt274_hw_params, .set_fmt = rt274_set_dai_fmt, .set_sysclk = rt274_set_dai_sysclk, .set_pll = rt274_set_dai_pll, .set_bclk_ratio = rt274_set_bclk_ratio, .set_tdm_slot = rt274_set_tdm_slot, }; static struct snd_soc_dai_driver rt274_dai[] = { { .name = "rt274-aif1", .id = RT274_AIF1, .playback = { .stream_name = "AIF1 Playback", .channels_min = 1, .channels_max = 2, .rates = RT274_STEREO_RATES, .formats = RT274_FORMATS, }, .capture = { .stream_name = "AIF1 Capture", .channels_min = 1, .channels_max = 2, .rates = RT274_STEREO_RATES, .formats = RT274_FORMATS, }, .ops = &rt274_aif_dai_ops, .symmetric_rate = 1, }, }; static const struct snd_soc_component_driver soc_component_dev_rt274 = { .probe = rt274_probe, .remove = rt274_remove, .suspend = rt274_suspend, .resume = rt274_resume, .set_bias_level = rt274_set_bias_level, .set_jack = rt274_mic_detect, .controls = rt274_snd_controls, .num_controls = ARRAY_SIZE(rt274_snd_controls), .dapm_widgets = rt274_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(rt274_dapm_widgets), .dapm_routes = rt274_dapm_routes, .num_dapm_routes = ARRAY_SIZE(rt274_dapm_routes), .use_pmdown_time = 1, .endianness = 1, }; static const struct regmap_config rt274_regmap = { .reg_bits = 32, .val_bits = 32, .max_register = 0x05bfffff, .volatile_reg = rt274_volatile_register, .readable_reg = rt274_readable_register, .reg_write = rl6347a_hw_write, .reg_read = rl6347a_hw_read, .cache_type = REGCACHE_RBTREE, .reg_defaults = rt274_reg, .num_reg_defaults = ARRAY_SIZE(rt274_reg), }; #ifdef CONFIG_OF static const struct of_device_id rt274_of_match[] = { {.compatible = "realtek,rt274"}, {}, }; MODULE_DEVICE_TABLE(of, rt274_of_match); #endif static const struct i2c_device_id rt274_i2c_id[] = { {"rt274", 0}, {} }; MODULE_DEVICE_TABLE(i2c, rt274_i2c_id); #ifdef CONFIG_ACPI static const struct acpi_device_id rt274_acpi_match[] = { { "10EC0274", 0 }, { "INT34C2", 0 }, {}, }; MODULE_DEVICE_TABLE(acpi, rt274_acpi_match); #endif static int rt274_i2c_probe(struct i2c_client *i2c) { struct rt274_priv *rt274; int ret; unsigned int val; rt274 = devm_kzalloc(&i2c->dev, sizeof(*rt274), GFP_KERNEL); if (rt274 == NULL) return -ENOMEM; rt274->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt274_regmap); if (IS_ERR(rt274->regmap)) { ret = PTR_ERR(rt274->regmap); dev_err(&i2c->dev, "Failed to allocate register map: %d\n", ret); return ret; } ret = regmap_read(rt274->regmap, RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &val); if (ret) return ret; if (val != RT274_VENDOR_ID) { dev_err(&i2c->dev, "Device with ID register %#x is not rt274\n", val); return -ENODEV; } rt274->index_cache = devm_kmemdup(&i2c->dev, rt274_index_def, sizeof(rt274_index_def), GFP_KERNEL); if (!rt274->index_cache) return -ENOMEM; rt274->index_cache_size = INDEX_CACHE_SIZE; rt274->i2c = i2c; i2c_set_clientdata(i2c, rt274); /* reset codec */ regmap_write(rt274->regmap, RT274_RESET, 0); regmap_update_bits(rt274->regmap, 0x1a, 0x4000, 0x4000); /* Set Pad PDB is floating */ regmap_update_bits(rt274->regmap, RT274_PAD_CTRL12, 0x3, 0x0); regmap_write(rt274->regmap, RT274_COEF5b_INDEX, 0x01); regmap_write(rt274->regmap, RT274_COEF5b_COEF, 0x8540); regmap_update_bits(rt274->regmap, 0x6f, 0x0100, 0x0100); /* Combo jack auto detect */ regmap_write(rt274->regmap, 0x4a, 0x201b); /* Aux mode off */ regmap_update_bits(rt274->regmap, 0x6f, 0x3000, 0x2000); /* HP DC Calibration */ regmap_update_bits(rt274->regmap, 0x6f, 0xf, 0x0); /* Set NID=58h.Index 00h [15]= 1b; */ regmap_write(rt274->regmap, RT274_COEF58_INDEX, 0x00); regmap_write(rt274->regmap, RT274_COEF58_COEF, 0xb888); msleep(500); regmap_update_bits(rt274->regmap, 0x6f, 0xf, 0xb); regmap_write(rt274->regmap, RT274_COEF58_INDEX, 0x00); regmap_write(rt274->regmap, RT274_COEF58_COEF, 0x3888); /* Set pin widget */ regmap_write(rt274->regmap, RT274_SET_PIN_HPO, 0x40); regmap_write(rt274->regmap, RT274_SET_PIN_LOUT3, 0x40); regmap_write(rt274->regmap, RT274_SET_MIC, 0x20); regmap_write(rt274->regmap, RT274_SET_PIN_DMIC1, 0x20); regmap_update_bits(rt274->regmap, RT274_I2S_CTRL2, 0xc004, 0x4004); regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL, RT274_GPI2_SEL_MASK, RT274_GPI2_SEL_DMIC_CLK); /* jack detection */ regmap_write(rt274->regmap, RT274_UNSOLICITED_HP_OUT, 0x81); regmap_write(rt274->regmap, RT274_UNSOLICITED_MIC, 0x82); if (rt274->i2c->irq) { ret = request_threaded_irq(rt274->i2c->irq, NULL, rt274_irq, IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt274", rt274); if (ret != 0) { dev_err(&i2c->dev, "Failed to reguest IRQ: %d\n", ret); return ret; } } ret = devm_snd_soc_register_component(&i2c->dev, &soc_component_dev_rt274, rt274_dai, ARRAY_SIZE(rt274_dai)); return ret; } static int rt274_i2c_remove(struct i2c_client *i2c) { struct rt274_priv *rt274 = i2c_get_clientdata(i2c); if (i2c->irq) free_irq(i2c->irq, rt274); return 0; } static struct i2c_driver rt274_i2c_driver = { .driver = { .name = "rt274", .acpi_match_table = ACPI_PTR(rt274_acpi_match), #ifdef CONFIG_OF .of_match_table = of_match_ptr(rt274_of_match), #endif }, .probe_new = rt274_i2c_probe, .remove = rt274_i2c_remove, .id_table = rt274_i2c_id, }; module_i2c_driver(rt274_i2c_driver); MODULE_DESCRIPTION("ASoC RT274 driver"); MODULE_AUTHOR("Bard Liao "); MODULE_LICENSE("GPL v2");