| /* |
| * rt5514.c -- RT5514 ALSA SoC audio codec driver |
| * |
| * Copyright 2015 Realtek Semiconductor Corp. |
| * Author: Oder Chiou <oder_chiou@realtek.com> |
| * |
| * 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 <linux/acpi.h> |
| #include <linux/fs.h> |
| #include <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/init.h> |
| #include <linux/delay.h> |
| #include <linux/pm.h> |
| #include <linux/regmap.h> |
| #include <linux/i2c.h> |
| #include <linux/platform_device.h> |
| #include <linux/firmware.h> |
| #include <linux/gpio.h> |
| #include <sound/core.h> |
| #include <sound/pcm.h> |
| #include <sound/pcm_params.h> |
| #include <sound/soc.h> |
| #include <sound/soc-dapm.h> |
| #include <sound/initval.h> |
| #include <sound/tlv.h> |
| |
| #include "rl6231.h" |
| #include "rt5514.h" |
| #if defined(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 defined(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 defined(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 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 <oder_chiou@realtek.com>"); |
| MODULE_LICENSE("GPL v2"); |