/* * rt5514.c -- RT5514 ALSA SoC audio codec driver * * Copyright 2015 Realtek Semiconductor Corp. * Author: Oder Chiou * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "rl6231.h" #include "rt5514.h" #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI) #include "rt5514-spi.h" #endif static const struct reg_sequence rt5514_i2c_patch[] = { {0x1800101c, 0x00000000}, {0x18001100, 0x0000031f}, {0x18001104, 0x00000007}, {0x18001108, 0x00000000}, {0x1800110c, 0x00000000}, {0x18001110, 0x00000000}, {0x18001114, 0x00000001}, {0x18001118, 0x00000000}, {0x18002f08, 0x00000006}, {0x18002f00, 0x00055149}, {0x18002f00, 0x0005514b}, {0x18002f00, 0x00055149}, {0xfafafafa, 0x00000001}, {0x18002f10, 0x00000001}, {0x18002f10, 0x00000000}, {0x18002f10, 0x00000001}, {0xfafafafa, 0x00000001}, {0x18002000, 0x000010ec}, {0xfafafafa, 0x00000000}, }; static const struct reg_sequence rt5514_patch[] = { {RT5514_DIG_IO_CTRL, 0x00000040}, {RT5514_CLK_CTRL1, 0x38020041}, {RT5514_SRC_CTRL, 0x44000eee}, {RT5514_ANA_CTRL_LDO10, 0x00028604}, {RT5514_ANA_CTRL_ADCFED, 0x00000800}, {RT5514_ASRC_IN_CTRL1, 0x00000003}, }; static const struct reg_default rt5514_reg[] = { {RT5514_RESET, 0x00000000}, {RT5514_PWR_ANA1, 0x00808880}, {RT5514_PWR_ANA2, 0x00220000}, {RT5514_I2S_CTRL1, 0x00000330}, {RT5514_I2S_CTRL2, 0x20000000}, {RT5514_VAD_CTRL6, 0xc00007d2}, {RT5514_EXT_VAD_CTRL, 0x80000080}, {RT5514_DIG_IO_CTRL, 0x00000040}, {RT5514_PAD_CTRL1, 0x00804000}, {RT5514_DMIC_DATA_CTRL, 0x00000005}, {RT5514_DIG_SOURCE_CTRL, 0x00000002}, {RT5514_SRC_CTRL, 0x44000eee}, {RT5514_DOWNFILTER2_CTRL1, 0x0000882f}, {RT5514_PLL_SOURCE_CTRL, 0x00000004}, {RT5514_CLK_CTRL1, 0x38020041}, {RT5514_CLK_CTRL2, 0x00000000}, {RT5514_PLL3_CALIB_CTRL1, 0x00400200}, {RT5514_PLL3_CALIB_CTRL5, 0x40220012}, {RT5514_DELAY_BUF_CTRL1, 0x7fff006a}, {RT5514_DELAY_BUF_CTRL3, 0x00000000}, {RT5514_DOWNFILTER0_CTRL1, 0x00020c2f}, {RT5514_DOWNFILTER0_CTRL2, 0x00020c2f}, {RT5514_DOWNFILTER0_CTRL3, 0x00000362}, {RT5514_DOWNFILTER1_CTRL1, 0x00020c2f}, {RT5514_DOWNFILTER1_CTRL2, 0x00020c2f}, {RT5514_DOWNFILTER1_CTRL3, 0x00000362}, {RT5514_ANA_CTRL_LDO10, 0x00028604}, {RT5514_ANA_CTRL_LDO18_16, 0x02000345}, {RT5514_ANA_CTRL_ADC12, 0x0000a2a8}, {RT5514_ANA_CTRL_ADC21, 0x00001180}, {RT5514_ANA_CTRL_ADC22, 0x0000aaa8}, {RT5514_ANA_CTRL_ADC23, 0x00151427}, {RT5514_ANA_CTRL_MICBST, 0x00002000}, {RT5514_ANA_CTRL_ADCFED, 0x00000800}, {RT5514_ANA_CTRL_INBUF, 0x00000143}, {RT5514_ANA_CTRL_VREF, 0x00008d50}, {RT5514_ANA_CTRL_PLL3, 0x0000000e}, {RT5514_ANA_CTRL_PLL1_1, 0x00000000}, {RT5514_ANA_CTRL_PLL1_2, 0x00030220}, {RT5514_DMIC_LP_CTRL, 0x00000000}, {RT5514_MISC_CTRL_DSP, 0x00000000}, {RT5514_DSP_CTRL1, 0x00055149}, {RT5514_DSP_CTRL3, 0x00000006}, {RT5514_DSP_CTRL4, 0x00000001}, {RT5514_VENDOR_ID1, 0x00000001}, {RT5514_VENDOR_ID2, 0x10ec5514}, }; static void rt5514_enable_dsp_prepare(struct rt5514_priv *rt5514) { /* Reset */ regmap_write(rt5514->i2c_regmap, 0x18002000, 0x000010ec); /* LDO_I_limit */ regmap_write(rt5514->i2c_regmap, 0x18002200, 0x00028604); /* I2C bypass enable */ regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000001); /* mini-core reset */ regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x0005514b); regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x00055149); /* I2C bypass disable */ regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000000); /* PIN config */ regmap_write(rt5514->i2c_regmap, 0x18002070, 0x00000040); /* PLL3(QN)=RCOSC*(10+2) */ regmap_write(rt5514->i2c_regmap, 0x18002240, 0x0000000a); /* PLL3 source=RCOSC, fsi=rt_clk */ regmap_write(rt5514->i2c_regmap, 0x18002100, 0x0000000b); /* Power on RCOSC, pll3 */ regmap_write(rt5514->i2c_regmap, 0x18002004, 0x00808b81); /* DSP clk source = pll3, ENABLE DSP clk */ regmap_write(rt5514->i2c_regmap, 0x18002f08, 0x00000005); /* Enable DSP clk auto switch */ regmap_write(rt5514->i2c_regmap, 0x18001114, 0x00000001); /* Reduce DSP power */ regmap_write(rt5514->i2c_regmap, 0x18001118, 0x00000001); } static bool rt5514_volatile_register(struct device *dev, unsigned int reg) { switch (reg) { case RT5514_VENDOR_ID1: case RT5514_VENDOR_ID2: return true; default: return false; } } static bool rt5514_readable_register(struct device *dev, unsigned int reg) { switch (reg) { case RT5514_RESET: case RT5514_PWR_ANA1: case RT5514_PWR_ANA2: case RT5514_I2S_CTRL1: case RT5514_I2S_CTRL2: case RT5514_VAD_CTRL6: case RT5514_EXT_VAD_CTRL: case RT5514_DIG_IO_CTRL: case RT5514_PAD_CTRL1: case RT5514_DMIC_DATA_CTRL: case RT5514_DIG_SOURCE_CTRL: case RT5514_SRC_CTRL: case RT5514_DOWNFILTER2_CTRL1: case RT5514_PLL_SOURCE_CTRL: case RT5514_CLK_CTRL1: case RT5514_CLK_CTRL2: case RT5514_PLL3_CALIB_CTRL1: case RT5514_PLL3_CALIB_CTRL5: case RT5514_DELAY_BUF_CTRL1: case RT5514_DELAY_BUF_CTRL3: case RT5514_DOWNFILTER0_CTRL1: case RT5514_DOWNFILTER0_CTRL2: case RT5514_DOWNFILTER0_CTRL3: case RT5514_DOWNFILTER1_CTRL1: case RT5514_DOWNFILTER1_CTRL2: case RT5514_DOWNFILTER1_CTRL3: case RT5514_ANA_CTRL_LDO10: case RT5514_ANA_CTRL_LDO18_16: case RT5514_ANA_CTRL_ADC12: case RT5514_ANA_CTRL_ADC21: case RT5514_ANA_CTRL_ADC22: case RT5514_ANA_CTRL_ADC23: case RT5514_ANA_CTRL_MICBST: case RT5514_ANA_CTRL_ADCFED: case RT5514_ANA_CTRL_INBUF: case RT5514_ANA_CTRL_VREF: case RT5514_ANA_CTRL_PLL3: case RT5514_ANA_CTRL_PLL1_1: case RT5514_ANA_CTRL_PLL1_2: case RT5514_DMIC_LP_CTRL: case RT5514_MISC_CTRL_DSP: case RT5514_DSP_CTRL1: case RT5514_DSP_CTRL3: case RT5514_DSP_CTRL4: case RT5514_VENDOR_ID1: case RT5514_VENDOR_ID2: return true; default: return false; } } static bool rt5514_i2c_readable_register(struct device *dev, unsigned int reg) { switch (reg) { case RT5514_DSP_MAPPING | RT5514_RESET: case RT5514_DSP_MAPPING | RT5514_PWR_ANA1: case RT5514_DSP_MAPPING | RT5514_PWR_ANA2: case RT5514_DSP_MAPPING | RT5514_I2S_CTRL1: case RT5514_DSP_MAPPING | RT5514_I2S_CTRL2: case RT5514_DSP_MAPPING | RT5514_VAD_CTRL6: case RT5514_DSP_MAPPING | RT5514_EXT_VAD_CTRL: case RT5514_DSP_MAPPING | RT5514_DIG_IO_CTRL: case RT5514_DSP_MAPPING | RT5514_PAD_CTRL1: case RT5514_DSP_MAPPING | RT5514_DMIC_DATA_CTRL: case RT5514_DSP_MAPPING | RT5514_DIG_SOURCE_CTRL: case RT5514_DSP_MAPPING | RT5514_SRC_CTRL: case RT5514_DSP_MAPPING | RT5514_DOWNFILTER2_CTRL1: case RT5514_DSP_MAPPING | RT5514_PLL_SOURCE_CTRL: case RT5514_DSP_MAPPING | RT5514_CLK_CTRL1: case RT5514_DSP_MAPPING | RT5514_CLK_CTRL2: case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL1: case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL5: case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL1: case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL3: case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL1: case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL2: case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL3: case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL1: case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL2: case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL3: case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_LDO10: case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_LDO18_16: case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC12: case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC21: case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC22: case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC23: case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_MICBST: case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADCFED: case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_INBUF: case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_VREF: case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL3: case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL1_1: case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL1_2: case RT5514_DSP_MAPPING | RT5514_DMIC_LP_CTRL: case RT5514_DSP_MAPPING | RT5514_MISC_CTRL_DSP: case RT5514_DSP_MAPPING | RT5514_DSP_CTRL1: case RT5514_DSP_MAPPING | RT5514_DSP_CTRL3: case RT5514_DSP_MAPPING | RT5514_DSP_CTRL4: case RT5514_DSP_MAPPING | RT5514_VENDOR_ID1: case RT5514_DSP_MAPPING | RT5514_VENDOR_ID2: return true; default: return false; } } /* {-3, 0, +3, +4.5, +7.5, +9.5, +12, +14, +17} dB */ static const DECLARE_TLV_DB_RANGE(bst_tlv, 0, 2, TLV_DB_SCALE_ITEM(-300, 300, 0), 3, 3, TLV_DB_SCALE_ITEM(450, 0, 0), 4, 4, TLV_DB_SCALE_ITEM(750, 0, 0), 5, 5, TLV_DB_SCALE_ITEM(950, 0, 0), 6, 6, TLV_DB_SCALE_ITEM(1200, 0, 0), 7, 7, TLV_DB_SCALE_ITEM(1400, 0, 0), 8, 8, TLV_DB_SCALE_ITEM(1700, 0, 0) ); static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -1725, 75, 0); static int rt5514_dsp_voice_wake_up_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); ucontrol->value.integer.value[0] = rt5514->dsp_enabled; return 0; } static int rt5514_dsp_voice_wake_up_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component); struct snd_soc_codec *codec = rt5514->codec; const struct firmware *fw = NULL; if (ucontrol->value.integer.value[0] == rt5514->dsp_enabled) return 0; if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) { rt5514->dsp_enabled = ucontrol->value.integer.value[0]; if (rt5514->dsp_enabled) { rt5514_enable_dsp_prepare(rt5514); request_firmware(&fw, RT5514_FIRMWARE1, codec->dev); if (fw) { #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI) rt5514_spi_burst_write(0x4ff60000, fw->data, ((fw->size/8)+1)*8); #else dev_err(codec->dev, "There is no SPI driver for" " loading the firmware\n"); #endif release_firmware(fw); fw = NULL; } request_firmware(&fw, RT5514_FIRMWARE2, codec->dev); if (fw) { #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI) rt5514_spi_burst_write(0x4ffc0000, fw->data, ((fw->size/8)+1)*8); #else dev_err(codec->dev, "There is no SPI driver for" " loading the firmware\n"); #endif release_firmware(fw); fw = NULL; } /* DSP run */ regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x00055148); } else { regmap_multi_reg_write(rt5514->i2c_regmap, rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch)); regcache_mark_dirty(rt5514->regmap); regcache_sync(rt5514->regmap); } } return 0; } static const struct snd_kcontrol_new rt5514_snd_controls[] = { SOC_DOUBLE_TLV("MIC Boost Volume", RT5514_ANA_CTRL_MICBST, RT5514_SEL_BSTL_SFT, RT5514_SEL_BSTR_SFT, 8, 0, bst_tlv), SOC_DOUBLE_R_TLV("ADC1 Capture Volume", RT5514_DOWNFILTER0_CTRL1, RT5514_DOWNFILTER0_CTRL2, RT5514_AD_GAIN_SFT, 63, 0, adc_vol_tlv), SOC_DOUBLE_R_TLV("ADC2 Capture Volume", RT5514_DOWNFILTER1_CTRL1, RT5514_DOWNFILTER1_CTRL2, RT5514_AD_GAIN_SFT, 63, 0, adc_vol_tlv), SOC_SINGLE_EXT("DSP Voice Wake Up", SND_SOC_NOPM, 0, 1, 0, rt5514_dsp_voice_wake_up_get, rt5514_dsp_voice_wake_up_put), }; /* ADC Mixer*/ static const struct snd_kcontrol_new rt5514_sto1_adc_l_mix[] = { SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL1, RT5514_AD_DMIC_MIX_BIT, 1, 1), SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL1, RT5514_AD_AD_MIX_BIT, 1, 1), }; static const struct snd_kcontrol_new rt5514_sto1_adc_r_mix[] = { SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL2, RT5514_AD_DMIC_MIX_BIT, 1, 1), SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL2, RT5514_AD_AD_MIX_BIT, 1, 1), }; static const struct snd_kcontrol_new rt5514_sto2_adc_l_mix[] = { SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL1, RT5514_AD_DMIC_MIX_BIT, 1, 1), SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL1, RT5514_AD_AD_MIX_BIT, 1, 1), }; static const struct snd_kcontrol_new rt5514_sto2_adc_r_mix[] = { SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL2, RT5514_AD_DMIC_MIX_BIT, 1, 1), SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL2, RT5514_AD_AD_MIX_BIT, 1, 1), }; /* DMIC Source */ static const char * const rt5514_dmic_src[] = { "DMIC1", "DMIC2" }; static SOC_ENUM_SINGLE_DECL( rt5514_stereo1_dmic_enum, RT5514_DIG_SOURCE_CTRL, RT5514_AD0_DMIC_INPUT_SEL_SFT, rt5514_dmic_src); static const struct snd_kcontrol_new rt5514_sto1_dmic_mux = SOC_DAPM_ENUM("Stereo1 DMIC Source", rt5514_stereo1_dmic_enum); static SOC_ENUM_SINGLE_DECL( rt5514_stereo2_dmic_enum, RT5514_DIG_SOURCE_CTRL, RT5514_AD1_DMIC_INPUT_SEL_SFT, rt5514_dmic_src); static const struct snd_kcontrol_new rt5514_sto2_dmic_mux = SOC_DAPM_ENUM("Stereo2 DMIC Source", rt5514_stereo2_dmic_enum); /** * rt5514_calc_dmic_clk - Calculate the frequency divider parameter of dmic. * * @rate: base clock rate. * * Choose divider parameter that gives the highest possible DMIC frequency in * 1MHz - 3MHz range. */ static int rt5514_calc_dmic_clk(struct snd_soc_codec *codec, int rate) { int div[] = {2, 3, 4, 8, 12, 16, 24, 32}; int i; if (rate < 1000000 * div[0]) { pr_warn("Base clock rate %d is too low\n", rate); return -EINVAL; } for (i = 0; i < ARRAY_SIZE(div); i++) { /* find divider that gives DMIC frequency below 3.072MHz */ if (3072000 * div[i] >= rate) return i; } dev_warn(codec->dev, "Base clock rate %d is too high\n", rate); return -EINVAL; } static int rt5514_set_dmic_clk(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 rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec); int idx; idx = rt5514_calc_dmic_clk(codec, rt5514->sysclk); if (idx < 0) dev_err(codec->dev, "Failed to set DMIC clock\n"); else regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1, RT5514_CLK_DMIC_OUT_SEL_MASK, idx << RT5514_CLK_DMIC_OUT_SEL_SFT); if (rt5514->pdata.dmic_init_delay) msleep(rt5514->pdata.dmic_init_delay); return idx; } static int rt5514_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source, struct snd_soc_dapm_widget *sink) { struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm); struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec); if (rt5514->sysclk_src == RT5514_SCLK_S_PLL1) return 1; else return 0; } static int rt5514_i2s_use_asrc(struct snd_soc_dapm_widget *source, struct snd_soc_dapm_widget *sink) { struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm); struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec); return (rt5514->sysclk > rt5514->lrck * 384); } static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = { /* Input Lines */ SND_SOC_DAPM_INPUT("DMIC1L"), SND_SOC_DAPM_INPUT("DMIC1R"), SND_SOC_DAPM_INPUT("DMIC2L"), SND_SOC_DAPM_INPUT("DMIC2R"), SND_SOC_DAPM_INPUT("AMICL"), SND_SOC_DAPM_INPUT("AMICR"), SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("DMIC2", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("DMIC CLK", SND_SOC_NOPM, 0, 0, rt5514_set_dmic_clk, SND_SOC_DAPM_PRE_PMU), SND_SOC_DAPM_SUPPLY("ADC CLK", RT5514_CLK_CTRL1, RT5514_CLK_AD_ANA1_EN_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("LDO18 IN", RT5514_PWR_ANA1, RT5514_POW_LDO18_IN_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("LDO18 ADC", RT5514_PWR_ANA1, RT5514_POW_LDO18_ADC_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("LDO21", RT5514_PWR_ANA1, RT5514_POW_LDO21_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("BG LDO18 IN", RT5514_PWR_ANA1, RT5514_POW_BG_LDO18_IN_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("BG LDO21", RT5514_PWR_ANA1, RT5514_POW_BG_LDO21_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("BG MBIAS", RT5514_PWR_ANA2, RT5514_POW_BG_MBIAS_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("MBIAS", RT5514_PWR_ANA2, RT5514_POW_MBIAS_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("VREF2", RT5514_PWR_ANA2, RT5514_POW_VREF2_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("VREF1", RT5514_PWR_ANA2, RT5514_POW_VREF1_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("ADC Power", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("LDO16L", RT5514_PWR_ANA2, RT5514_POWL_LDO16_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("ADC1L", RT5514_PWR_ANA2, RT5514_POW_ADC1_L_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("BSTL2", RT5514_PWR_ANA2, RT5514_POW2_BSTL_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("BSTL", RT5514_PWR_ANA2, RT5514_POW_BSTL_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("ADCFEDL", RT5514_PWR_ANA2, RT5514_POW_ADCFEDL_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("ADCL Power", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("LDO16R", RT5514_PWR_ANA2, RT5514_POWR_LDO16_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("ADC1R", RT5514_PWR_ANA2, RT5514_POW_ADC1_R_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("BSTR2", RT5514_PWR_ANA2, RT5514_POW2_BSTR_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("BSTR", RT5514_PWR_ANA2, RT5514_POW_BSTR_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("ADCFEDR", RT5514_PWR_ANA2, RT5514_POW_ADCFEDR_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("ADCR Power", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("PLL1 LDO ENABLE", RT5514_ANA_CTRL_PLL1_2, RT5514_EN_LDO_PLL1_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("PLL1 LDO", RT5514_PWR_ANA2, RT5514_POW_PLL1_LDO_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("PLL1", RT5514_PWR_ANA2, RT5514_POW_PLL1_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY_S("ASRC AD1", 1, RT5514_CLK_CTRL2, RT5514_CLK_AD0_ASRC_EN_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY_S("ASRC AD2", 1, RT5514_CLK_CTRL2, RT5514_CLK_AD1_ASRC_EN_BIT, 0, NULL, 0), /* ADC Mux */ SND_SOC_DAPM_MUX("Stereo1 DMIC Mux", SND_SOC_NOPM, 0, 0, &rt5514_sto1_dmic_mux), SND_SOC_DAPM_MUX("Stereo2 DMIC Mux", SND_SOC_NOPM, 0, 0, &rt5514_sto2_dmic_mux), /* ADC Mixer */ SND_SOC_DAPM_SUPPLY("adc stereo1 filter", RT5514_CLK_CTRL1, RT5514_CLK_AD0_EN_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("adc stereo2 filter", RT5514_CLK_CTRL1, RT5514_CLK_AD1_EN_BIT, 0, NULL, 0), SND_SOC_DAPM_MIXER("Sto1 ADC MIXL", SND_SOC_NOPM, 0, 0, rt5514_sto1_adc_l_mix, ARRAY_SIZE(rt5514_sto1_adc_l_mix)), SND_SOC_DAPM_MIXER("Sto1 ADC MIXR", SND_SOC_NOPM, 0, 0, rt5514_sto1_adc_r_mix, ARRAY_SIZE(rt5514_sto1_adc_r_mix)), SND_SOC_DAPM_MIXER("Sto2 ADC MIXL", SND_SOC_NOPM, 0, 0, rt5514_sto2_adc_l_mix, ARRAY_SIZE(rt5514_sto2_adc_l_mix)), SND_SOC_DAPM_MIXER("Sto2 ADC MIXR", SND_SOC_NOPM, 0, 0, rt5514_sto2_adc_r_mix, ARRAY_SIZE(rt5514_sto2_adc_r_mix)), SND_SOC_DAPM_ADC("Stereo1 ADC MIXL", NULL, RT5514_DOWNFILTER0_CTRL1, RT5514_AD_AD_MUTE_BIT, 1), SND_SOC_DAPM_ADC("Stereo1 ADC MIXR", NULL, RT5514_DOWNFILTER0_CTRL2, RT5514_AD_AD_MUTE_BIT, 1), SND_SOC_DAPM_ADC("Stereo2 ADC MIXL", NULL, RT5514_DOWNFILTER1_CTRL1, RT5514_AD_AD_MUTE_BIT, 1), SND_SOC_DAPM_ADC("Stereo2 ADC MIXR", NULL, RT5514_DOWNFILTER1_CTRL2, RT5514_AD_AD_MUTE_BIT, 1), /* ADC PGA */ SND_SOC_DAPM_PGA("Stereo1 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("Stereo2 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0), /* Audio Interface */ SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0), }; static const struct snd_soc_dapm_route rt5514_dapm_routes[] = { { "DMIC1", NULL, "DMIC1L" }, { "DMIC1", NULL, "DMIC1R" }, { "DMIC2", NULL, "DMIC2L" }, { "DMIC2", NULL, "DMIC2R" }, { "DMIC1L", NULL, "DMIC CLK" }, { "DMIC1R", NULL, "DMIC CLK" }, { "DMIC2L", NULL, "DMIC CLK" }, { "DMIC2R", NULL, "DMIC CLK" }, { "Stereo1 DMIC Mux", "DMIC1", "DMIC1" }, { "Stereo1 DMIC Mux", "DMIC2", "DMIC2" }, { "Sto1 ADC MIXL", "DMIC Switch", "Stereo1 DMIC Mux" }, { "Sto1 ADC MIXL", "ADC Switch", "AMICL" }, { "Sto1 ADC MIXR", "DMIC Switch", "Stereo1 DMIC Mux" }, { "Sto1 ADC MIXR", "ADC Switch", "AMICR" }, { "ADC Power", NULL, "LDO18 IN" }, { "ADC Power", NULL, "LDO18 ADC" }, { "ADC Power", NULL, "LDO21" }, { "ADC Power", NULL, "BG LDO18 IN" }, { "ADC Power", NULL, "BG LDO21" }, { "ADC Power", NULL, "BG MBIAS" }, { "ADC Power", NULL, "MBIAS" }, { "ADC Power", NULL, "VREF2" }, { "ADC Power", NULL, "VREF1" }, { "ADCL Power", NULL, "LDO16L" }, { "ADCL Power", NULL, "ADC1L" }, { "ADCL Power", NULL, "BSTL2" }, { "ADCL Power", NULL, "BSTL" }, { "ADCL Power", NULL, "ADCFEDL" }, { "ADCR Power", NULL, "LDO16R" }, { "ADCR Power", NULL, "ADC1R" }, { "ADCR Power", NULL, "BSTR2" }, { "ADCR Power", NULL, "BSTR" }, { "ADCR Power", NULL, "ADCFEDR" }, { "AMICL", NULL, "ADC CLK" }, { "AMICL", NULL, "ADC Power" }, { "AMICL", NULL, "ADCL Power" }, { "AMICR", NULL, "ADC CLK" }, { "AMICR", NULL, "ADC Power" }, { "AMICR", NULL, "ADCR Power" }, { "PLL1 LDO", NULL, "PLL1 LDO ENABLE" }, { "PLL1", NULL, "PLL1 LDO" }, { "Stereo1 ADC MIXL", NULL, "Sto1 ADC MIXL" }, { "Stereo1 ADC MIXR", NULL, "Sto1 ADC MIXR" }, { "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXL" }, { "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXR" }, { "Stereo1 ADC MIX", NULL, "adc stereo1 filter" }, { "adc stereo1 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll }, { "adc stereo1 filter", NULL, "ASRC AD1", rt5514_i2s_use_asrc }, { "Stereo2 DMIC Mux", "DMIC1", "DMIC1" }, { "Stereo2 DMIC Mux", "DMIC2", "DMIC2" }, { "Sto2 ADC MIXL", "DMIC Switch", "Stereo2 DMIC Mux" }, { "Sto2 ADC MIXL", "ADC Switch", "AMICL" }, { "Sto2 ADC MIXR", "DMIC Switch", "Stereo2 DMIC Mux" }, { "Sto2 ADC MIXR", "ADC Switch", "AMICR" }, { "Stereo2 ADC MIXL", NULL, "Sto2 ADC MIXL" }, { "Stereo2 ADC MIXR", NULL, "Sto2 ADC MIXR" }, { "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXL" }, { "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXR" }, { "Stereo2 ADC MIX", NULL, "adc stereo2 filter" }, { "adc stereo2 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll }, { "adc stereo2 filter", NULL, "ASRC AD2", rt5514_i2s_use_asrc }, { "AIF1TX", NULL, "Stereo1 ADC MIX"}, { "AIF1TX", NULL, "Stereo2 ADC MIX"}, }; static int rt5514_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { struct snd_soc_codec *codec = dai->codec; struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec); int pre_div, bclk_ms, frame_size; unsigned int val_len = 0; rt5514->lrck = params_rate(params); pre_div = rl6231_get_clk_info(rt5514->sysclk, rt5514->lrck); if (pre_div < 0) { dev_err(codec->dev, "Unsupported clock setting\n"); return -EINVAL; } frame_size = snd_soc_params_to_frame_size(params); if (frame_size < 0) { dev_err(codec->dev, "Unsupported frame size: %d\n", frame_size); return -EINVAL; } bclk_ms = frame_size > 32; rt5514->bclk = rt5514->lrck * (32 << bclk_ms); dev_dbg(dai->dev, "bclk is %dHz and lrck is %dHz\n", rt5514->bclk, rt5514->lrck); dev_dbg(dai->dev, "bclk_ms is %d and pre_div is %d for iis %d\n", bclk_ms, pre_div, dai->id); switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: break; case SNDRV_PCM_FORMAT_S20_3LE: val_len = RT5514_I2S_DL_20; break; case SNDRV_PCM_FORMAT_S24_LE: val_len = RT5514_I2S_DL_24; break; case SNDRV_PCM_FORMAT_S8: val_len = RT5514_I2S_DL_8; break; default: return -EINVAL; } regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_I2S_DL_MASK, val_len); regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1, RT5514_CLK_AD_ANA1_SEL_MASK, (pre_div + 1) << RT5514_CLK_AD_ANA1_SEL_SFT); regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2, RT5514_CLK_SYS_DIV_OUT_MASK | RT5514_SEL_ADC_OSR_MASK, pre_div << RT5514_CLK_SYS_DIV_OUT_SFT | pre_div << RT5514_SEL_ADC_OSR_SFT); return 0; } static int rt5514_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct snd_soc_codec *codec = dai->codec; struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec); unsigned int reg_val = 0; switch (fmt & SND_SOC_DAIFMT_INV_MASK) { case SND_SOC_DAIFMT_NB_NF: break; case SND_SOC_DAIFMT_NB_IF: reg_val |= RT5514_I2S_LR_INV; break; case SND_SOC_DAIFMT_IB_NF: reg_val |= RT5514_I2S_BP_INV; break; case SND_SOC_DAIFMT_IB_IF: reg_val |= RT5514_I2S_BP_INV | RT5514_I2S_LR_INV; break; default: return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: break; case SND_SOC_DAIFMT_LEFT_J: reg_val |= RT5514_I2S_DF_LEFT; break; case SND_SOC_DAIFMT_DSP_A: reg_val |= RT5514_I2S_DF_PCM_A; break; case SND_SOC_DAIFMT_DSP_B: reg_val |= RT5514_I2S_DF_PCM_B; break; default: return -EINVAL; } regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_I2S_DF_MASK | RT5514_I2S_BP_MASK | RT5514_I2S_LR_MASK, reg_val); return 0; } static int rt5514_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { struct snd_soc_codec *codec = dai->codec; struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec); unsigned int reg_val = 0; if (freq == rt5514->sysclk && clk_id == rt5514->sysclk_src) return 0; switch (clk_id) { case RT5514_SCLK_S_MCLK: reg_val |= RT5514_CLK_SYS_PRE_SEL_MCLK; break; case RT5514_SCLK_S_PLL1: reg_val |= RT5514_CLK_SYS_PRE_SEL_PLL; break; default: dev_err(codec->dev, "Invalid clock id (%d)\n", clk_id); return -EINVAL; } regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2, RT5514_CLK_SYS_PRE_SEL_MASK, reg_val); rt5514->sysclk = freq; rt5514->sysclk_src = clk_id; dev_dbg(dai->dev, "Sysclk is %dHz and clock id is %d\n", freq, clk_id); return 0; } static int rt5514_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source, unsigned int freq_in, unsigned int freq_out) { struct snd_soc_codec *codec = dai->codec; struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec); struct rl6231_pll_code pll_code; int ret; if (!freq_in || !freq_out) { dev_dbg(codec->dev, "PLL disabled\n"); rt5514->pll_in = 0; rt5514->pll_out = 0; regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2, RT5514_CLK_SYS_PRE_SEL_MASK, RT5514_CLK_SYS_PRE_SEL_MCLK); return 0; } if (source == rt5514->pll_src && freq_in == rt5514->pll_in && freq_out == rt5514->pll_out) return 0; switch (source) { case RT5514_PLL1_S_MCLK: regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL, RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_MCLK); break; case RT5514_PLL1_S_BCLK: regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL, RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_SCLK); break; default: dev_err(codec->dev, "Unknown PLL source %d\n", source); return -EINVAL; } ret = rl6231_pll_calc(freq_in, freq_out, &pll_code); if (ret < 0) { dev_err(codec->dev, "Unsupport input clock %d\n", freq_in); return ret; } dev_dbg(codec->dev, "bypass=%d m=%d n=%d k=%d\n", pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code), pll_code.n_code, pll_code.k_code); regmap_write(rt5514->regmap, RT5514_ANA_CTRL_PLL1_1, pll_code.k_code << RT5514_PLL_K_SFT | pll_code.n_code << RT5514_PLL_N_SFT | (pll_code.m_bp ? 0 : pll_code.m_code) << RT5514_PLL_M_SFT); regmap_update_bits(rt5514->regmap, RT5514_ANA_CTRL_PLL1_2, RT5514_PLL_M_BP, pll_code.m_bp << RT5514_PLL_M_BP_SFT); rt5514->pll_in = freq_in; rt5514->pll_out = freq_out; rt5514->pll_src = source; return 0; } static int rt5514_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) { struct snd_soc_codec *codec = dai->codec; struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec); unsigned int val = 0, val2 = 0; if (rx_mask || tx_mask) val |= RT5514_TDM_MODE; switch (tx_mask) { case 0x3: val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH2 | RT5514_TDM_DOCKING_START_SLOT0; break; case 0x30: val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH2 | RT5514_TDM_DOCKING_START_SLOT4; break; case 0xf: val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH4 | RT5514_TDM_DOCKING_START_SLOT0; break; case 0xf0: val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH4 | RT5514_TDM_DOCKING_START_SLOT4; break; default: break; } switch (slots) { case 4: val |= RT5514_TDMSLOT_SEL_RX_4CH | RT5514_TDMSLOT_SEL_TX_4CH; break; case 6: val |= RT5514_TDMSLOT_SEL_RX_6CH | RT5514_TDMSLOT_SEL_TX_6CH; break; case 8: val |= RT5514_TDMSLOT_SEL_RX_8CH | RT5514_TDMSLOT_SEL_TX_8CH; break; case 2: default: break; } switch (slot_width) { case 20: val |= RT5514_CH_LEN_RX_20 | RT5514_CH_LEN_TX_20; break; case 24: val |= RT5514_CH_LEN_RX_24 | RT5514_CH_LEN_TX_24; break; case 25: val |= RT5514_TDM_MODE2; break; case 32: val |= RT5514_CH_LEN_RX_32 | RT5514_CH_LEN_TX_32; break; case 16: default: break; } regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_TDM_MODE | RT5514_TDMSLOT_SEL_RX_MASK | RT5514_TDMSLOT_SEL_TX_MASK | RT5514_CH_LEN_RX_MASK | RT5514_CH_LEN_TX_MASK | RT5514_TDM_MODE2, val); regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL2, RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH_MASK | RT5514_TDM_DOCKING_START_MASK, val2); return 0; } static int rt5514_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec); int ret; switch (level) { case SND_SOC_BIAS_PREPARE: if (IS_ERR(rt5514->mclk)) break; if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_ON) { clk_disable_unprepare(rt5514->mclk); } else { ret = clk_prepare_enable(rt5514->mclk); if (ret) return ret; } break; case SND_SOC_BIAS_STANDBY: if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) { /* * If the DSP is enabled in start of recording, the DSP * should be disabled, and sync back to normal recording * settings to make sure recording properly. */ if (rt5514->dsp_enabled) { rt5514->dsp_enabled = 0; regmap_multi_reg_write(rt5514->i2c_regmap, rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch)); regcache_mark_dirty(rt5514->regmap); regcache_sync(rt5514->regmap); } } break; default: break; } return 0; } static int rt5514_probe(struct snd_soc_codec *codec) { struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec); rt5514->mclk = devm_clk_get(codec->dev, "mclk"); if (PTR_ERR(rt5514->mclk) == -EPROBE_DEFER) return -EPROBE_DEFER; rt5514->codec = codec; return 0; } static int rt5514_i2c_read(void *context, unsigned int reg, unsigned int *val) { struct i2c_client *client = context; struct rt5514_priv *rt5514 = i2c_get_clientdata(client); regmap_read(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val); return 0; } static int rt5514_i2c_write(void *context, unsigned int reg, unsigned int val) { struct i2c_client *client = context; struct rt5514_priv *rt5514 = i2c_get_clientdata(client); regmap_write(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val); return 0; } #define RT5514_STEREO_RATES SNDRV_PCM_RATE_8000_192000 #define RT5514_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 rt5514_aif_dai_ops = { .hw_params = rt5514_hw_params, .set_fmt = rt5514_set_dai_fmt, .set_sysclk = rt5514_set_dai_sysclk, .set_pll = rt5514_set_dai_pll, .set_tdm_slot = rt5514_set_tdm_slot, }; struct snd_soc_dai_driver rt5514_dai[] = { { .name = "rt5514-aif1", .id = 0, .capture = { .stream_name = "AIF1 Capture", .channels_min = 1, .channels_max = 4, .rates = RT5514_STEREO_RATES, .formats = RT5514_FORMATS, }, .ops = &rt5514_aif_dai_ops, } }; static struct snd_soc_codec_driver soc_codec_dev_rt5514 = { .probe = rt5514_probe, .idle_bias_off = true, .set_bias_level = rt5514_set_bias_level, .component_driver = { .controls = rt5514_snd_controls, .num_controls = ARRAY_SIZE(rt5514_snd_controls), .dapm_widgets = rt5514_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(rt5514_dapm_widgets), .dapm_routes = rt5514_dapm_routes, .num_dapm_routes = ARRAY_SIZE(rt5514_dapm_routes), }, }; static const struct regmap_config rt5514_i2c_regmap = { .name = "i2c", .reg_bits = 32, .val_bits = 32, .readable_reg = rt5514_i2c_readable_register, .cache_type = REGCACHE_NONE, }; static const struct regmap_config rt5514_regmap = { .reg_bits = 16, .val_bits = 32, .max_register = RT5514_VENDOR_ID2, .volatile_reg = rt5514_volatile_register, .readable_reg = rt5514_readable_register, .reg_read = rt5514_i2c_read, .reg_write = rt5514_i2c_write, .cache_type = REGCACHE_RBTREE, .reg_defaults = rt5514_reg, .num_reg_defaults = ARRAY_SIZE(rt5514_reg), .use_single_rw = true, }; static const struct i2c_device_id rt5514_i2c_id[] = { { "rt5514", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, rt5514_i2c_id); #if defined(CONFIG_OF) static const struct of_device_id rt5514_of_match[] = { { .compatible = "realtek,rt5514", }, {}, }; MODULE_DEVICE_TABLE(of, rt5514_of_match); #endif #ifdef CONFIG_ACPI static const struct acpi_device_id rt5514_acpi_match[] = { { "10EC5514", 0}, {}, }; MODULE_DEVICE_TABLE(acpi, rt5514_acpi_match); #endif static int rt5514_parse_dt(struct rt5514_priv *rt5514, struct device *dev) { device_property_read_u32(dev, "realtek,dmic-init-delay-ms", &rt5514->pdata.dmic_init_delay); return 0; } static __maybe_unused int rt5514_i2c_resume(struct device *dev) { struct rt5514_priv *rt5514 = dev_get_drvdata(dev); unsigned int val; /* * Add a bogus read to avoid rt5514's confusion after s2r in case it * saw glitches on the i2c lines and thought the other side sent a * start bit. */ regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val); return 0; } static int rt5514_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct rt5514_platform_data *pdata = dev_get_platdata(&i2c->dev); struct rt5514_priv *rt5514; int ret; unsigned int val = ~0; rt5514 = devm_kzalloc(&i2c->dev, sizeof(struct rt5514_priv), GFP_KERNEL); if (rt5514 == NULL) return -ENOMEM; i2c_set_clientdata(i2c, rt5514); if (pdata) rt5514->pdata = *pdata; else if (i2c->dev.of_node) rt5514_parse_dt(rt5514, &i2c->dev); rt5514->i2c_regmap = devm_regmap_init_i2c(i2c, &rt5514_i2c_regmap); if (IS_ERR(rt5514->i2c_regmap)) { ret = PTR_ERR(rt5514->i2c_regmap); dev_err(&i2c->dev, "Failed to allocate register map: %d\n", ret); return ret; } rt5514->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt5514_regmap); if (IS_ERR(rt5514->regmap)) { ret = PTR_ERR(rt5514->regmap); dev_err(&i2c->dev, "Failed to allocate register map: %d\n", ret); return ret; } /* * The rt5514 can get confused if the i2c lines glitch together, as * can happen at bootup as regulators are turned off and on. If it's * in this glitched state the first i2c read will fail, so we'll give * it one change to retry. */ ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val); if (ret || val != RT5514_DEVICE_ID) ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val); if (ret || val != RT5514_DEVICE_ID) { dev_err(&i2c->dev, "Device with ID register %x is not rt5514\n", val); return -ENODEV; } ret = regmap_multi_reg_write(rt5514->i2c_regmap, rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch)); if (ret != 0) dev_warn(&i2c->dev, "Failed to apply i2c_regmap patch: %d\n", ret); ret = regmap_register_patch(rt5514->regmap, rt5514_patch, ARRAY_SIZE(rt5514_patch)); if (ret != 0) dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret); return snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5514, rt5514_dai, ARRAY_SIZE(rt5514_dai)); } static int rt5514_i2c_remove(struct i2c_client *i2c) { snd_soc_unregister_codec(&i2c->dev); return 0; } static const struct dev_pm_ops rt5514_i2_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(NULL, rt5514_i2c_resume) }; static struct i2c_driver rt5514_i2c_driver = { .driver = { .name = "rt5514", .acpi_match_table = ACPI_PTR(rt5514_acpi_match), .of_match_table = of_match_ptr(rt5514_of_match), .pm = &rt5514_i2_pm_ops, }, .probe = rt5514_i2c_probe, .remove = rt5514_i2c_remove, .id_table = rt5514_i2c_id, }; module_i2c_driver(rt5514_i2c_driver); MODULE_DESCRIPTION("ASoC RT5514 driver"); MODULE_AUTHOR("Oder Chiou "); MODULE_LICENSE("GPL v2");