diff options
Diffstat (limited to 'sound/soc/codecs/es8326.c')
| -rw-r--r-- | sound/soc/codecs/es8326.c | 1274 |
1 files changed, 1274 insertions, 0 deletions
diff --git a/sound/soc/codecs/es8326.c b/sound/soc/codecs/es8326.c new file mode 100644 index 000000000000..15289dadafea --- /dev/null +++ b/sound/soc/codecs/es8326.c @@ -0,0 +1,1274 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// es8326.c -- es8326 ALSA SoC audio driver +// Copyright Everest Semiconductor Co., Ltd +// +// Authors: David Yang <yangxiaohua@everest-semi.com> +// + +#include <linux/clk.h> +#include <linux/i2c.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/module.h> +#include <sound/jack.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/tlv.h> +#include "es8326.h" + +struct es8326_priv { + struct clk *mclk; + struct i2c_client *i2c; + struct regmap *regmap; + struct snd_soc_component *component; + struct delayed_work jack_detect_work; + struct delayed_work button_press_work; + struct snd_soc_jack *jack; + int irq; + /* The lock protects the situation that an irq is generated + * while enabling or disabling or during an irq. + */ + struct mutex lock; + u8 jack_pol; + u8 interrupt_src; + u8 interrupt_clk; + u8 hpl_vol; + u8 hpr_vol; + bool jd_inverted; + unsigned int sysclk; + + bool calibrated; + int version; + int hp; + int jack_remove_retry; +}; + +static int es8326_crosstalk1_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); + unsigned int crosstalk_h, crosstalk_l; + unsigned int crosstalk; + + regmap_read(es8326->regmap, ES8326_DAC_RAMPRATE, &crosstalk_h); + regmap_read(es8326->regmap, ES8326_DAC_CROSSTALK, &crosstalk_l); + crosstalk_h &= 0x20; + crosstalk_l &= 0xf0; + crosstalk = crosstalk_h >> 1 | crosstalk_l >> 4; + ucontrol->value.integer.value[0] = crosstalk; + + return 0; +} + +static int es8326_crosstalk1_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); + unsigned int crosstalk_h, crosstalk_l; + unsigned int crosstalk; + + crosstalk = ucontrol->value.integer.value[0]; + regmap_read(es8326->regmap, ES8326_DAC_CROSSTALK, &crosstalk_l); + crosstalk_h = (crosstalk & 0x10) << 1; + crosstalk_l &= 0x0f; + crosstalk_l |= (crosstalk & 0x0f) << 4; + regmap_update_bits(es8326->regmap, ES8326_DAC_RAMPRATE, + 0x20, crosstalk_h); + regmap_write(es8326->regmap, ES8326_DAC_CROSSTALK, crosstalk_l); + + return 0; +} + +static int es8326_crosstalk2_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); + unsigned int crosstalk_h, crosstalk_l; + unsigned int crosstalk; + + regmap_read(es8326->regmap, ES8326_DAC_RAMPRATE, &crosstalk_h); + regmap_read(es8326->regmap, ES8326_DAC_CROSSTALK, &crosstalk_l); + crosstalk_h &= 0x10; + crosstalk_l &= 0x0f; + crosstalk = crosstalk_h | crosstalk_l; + ucontrol->value.integer.value[0] = crosstalk; + + return 0; +} + +static int es8326_crosstalk2_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); + unsigned int crosstalk_h, crosstalk_l; + unsigned int crosstalk; + + crosstalk = ucontrol->value.integer.value[0]; + regmap_read(es8326->regmap, ES8326_DAC_CROSSTALK, &crosstalk_l); + crosstalk_h = crosstalk & 0x10; + crosstalk_l &= 0xf0; + crosstalk_l |= crosstalk & 0x0f; + regmap_update_bits(es8326->regmap, ES8326_DAC_RAMPRATE, + 0x10, crosstalk_h); + regmap_write(es8326->regmap, ES8326_DAC_CROSSTALK, crosstalk_l); + + return 0; +} + +static int es8326_hplvol_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); + + ucontrol->value.integer.value[0] = es8326->hpl_vol; + + return 0; +} + +static int es8326_hplvol_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); + unsigned int hp_vol; + + hp_vol = ucontrol->value.integer.value[0]; + if (hp_vol > 5) + return -EINVAL; + if (es8326->hpl_vol != hp_vol) { + es8326->hpl_vol = hp_vol; + if (hp_vol >= 3) + hp_vol++; + regmap_update_bits(es8326->regmap, ES8326_HP_VOL, + 0x70, (hp_vol << 4)); + return 1; + } + + return 0; +} + +static int es8326_hprvol_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); + + ucontrol->value.integer.value[0] = es8326->hpr_vol; + + return 0; +} + +static int es8326_hprvol_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); + unsigned int hp_vol; + + hp_vol = ucontrol->value.integer.value[0]; + if (hp_vol > 5) + return -EINVAL; + if (es8326->hpr_vol != hp_vol) { + es8326->hpr_vol = hp_vol; + if (hp_vol >= 3) + hp_vol++; + regmap_update_bits(es8326->regmap, ES8326_HP_VOL, + 0x07, hp_vol); + return 1; + } + + return 0; +} + +static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(dac_vol_tlv, -9550, 50, 0); +static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_vol_tlv, -9550, 50, 0); +static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_analog_pga_tlv, 0, 300, 0); +static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_pga_tlv, 0, 600, 0); +static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(softramp_rate, 0, 100, 0); +static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(drc_target_tlv, -3200, 200, 0); +static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(drc_recovery_tlv, -125, 250, 0); + +static const char *const winsize[] = { + "0.25db/2 LRCK", + "0.25db/4 LRCK", + "0.25db/8 LRCK", + "0.25db/16 LRCK", + "0.25db/32 LRCK", + "0.25db/64 LRCK", + "0.25db/128 LRCK", + "0.25db/256 LRCK", + "0.25db/512 LRCK", + "0.25db/1024 LRCK", + "0.25db/2048 LRCK", + "0.25db/4096 LRCK", + "0.25db/8192 LRCK", + "0.25db/16384 LRCK", + "0.25db/32768 LRCK", + "0.25db/65536 LRCK", +}; + +static const char *const dacpol_txt[] = { + "Normal", "R Invert", "L Invert", "L + R Invert" }; + +static const char *const hp_spkvol_switch[] = { + "HPVOL: HPL+HPL, SPKVOL: HPL+HPL", + "HPVOL: HPL+HPR, SPKVOL: HPL+HPR", + "HPVOL: HPL+HPL, SPKVOL: SPKL+SPKR", + "HPVOL: HPL+HPR, SPKVOL: SPKL+SPKR", +}; + +static const struct soc_enum dacpol = + SOC_ENUM_SINGLE(ES8326_DAC_DSM, 4, 4, dacpol_txt); +static const struct soc_enum alc_winsize = + SOC_ENUM_SINGLE(ES8326_ADC_RAMPRATE, 4, 16, winsize); +static const struct soc_enum drc_winsize = + SOC_ENUM_SINGLE(ES8326_DRC_WINSIZE, 4, 16, winsize); +static const struct soc_enum hpvol_spkvol_switch = + SOC_ENUM_SINGLE(ES8326_HP_MISC, 6, 4, hp_spkvol_switch); + +static const struct snd_kcontrol_new es8326_snd_controls[] = { + SOC_SINGLE_TLV("DAC Playback Volume", ES8326_DACL_VOL, 0, 0xbf, 0, dac_vol_tlv), + SOC_ENUM("Playback Polarity", dacpol), + SOC_SINGLE_TLV("DAC Ramp Rate", ES8326_DAC_RAMPRATE, 0, 0x0f, 0, softramp_rate), + SOC_SINGLE_TLV("DRC Recovery Level", ES8326_DRC_RECOVERY, 0, 4, 0, drc_recovery_tlv), + SOC_ENUM("DRC Winsize", drc_winsize), + SOC_SINGLE_TLV("DRC Target Level", ES8326_DRC_WINSIZE, 0, 0x0f, 0, drc_target_tlv), + + SOC_DOUBLE_R_TLV("ADC Capture Volume", ES8326_ADC1_VOL, ES8326_ADC2_VOL, 0, 0xff, 0, + adc_vol_tlv), + SOC_DOUBLE_TLV("ADC PGA Volume", ES8326_ADC_SCALE, 4, 0, 5, 0, adc_pga_tlv), + SOC_SINGLE_TLV("ADC PGA Gain Volume", ES8326_PGAGAIN, 0, 10, 0, adc_analog_pga_tlv), + SOC_SINGLE_TLV("ADC Ramp Rate", ES8326_ADC_RAMPRATE, 0, 0x0f, 0, softramp_rate), + SOC_SINGLE("ALC Capture Switch", ES8326_ALC_RECOVERY, 3, 1, 0), + SOC_SINGLE_TLV("ALC Capture Recovery Level", ES8326_ALC_LEVEL, + 0, 4, 0, drc_recovery_tlv), + SOC_ENUM("ALC Capture Winsize", alc_winsize), + SOC_SINGLE_TLV("ALC Capture Target Level", ES8326_ALC_LEVEL, + 0, 0x0f, 0, drc_target_tlv), + + SOC_SINGLE_EXT("CROSSTALK1", SND_SOC_NOPM, 0, 31, 0, + es8326_crosstalk1_get, es8326_crosstalk1_set), + SOC_SINGLE_EXT("CROSSTALK2", SND_SOC_NOPM, 0, 31, 0, + es8326_crosstalk2_get, es8326_crosstalk2_set), + SOC_SINGLE_EXT("HPL Volume", SND_SOC_NOPM, 0, 5, 0, + es8326_hplvol_get, es8326_hplvol_set), + SOC_SINGLE_EXT("HPR Volume", SND_SOC_NOPM, 0, 5, 0, + es8326_hprvol_get, es8326_hprvol_set), + + SOC_SINGLE_TLV("HPL Playback Volume", ES8326_DACL_VOL, 0, 0xbf, 0, dac_vol_tlv), + SOC_SINGLE_TLV("HPR Playback Volume", ES8326_DACR_VOL, 0, 0xbf, 0, dac_vol_tlv), + SOC_SINGLE_TLV("SPKL Playback Volume", ES8326_SPKL_VOL, 0, 0xbf, 0, dac_vol_tlv), + SOC_SINGLE_TLV("SPKR Playback Volume", ES8326_SPKR_VOL, 0, 0xbf, 0, dac_vol_tlv), + + SOC_ENUM("HPVol SPKVol Switch", hpvol_spkvol_switch), +}; + +static const struct snd_soc_dapm_widget es8326_dapm_widgets[] = { + SND_SOC_DAPM_INPUT("MIC1"), + SND_SOC_DAPM_INPUT("MIC2"), + SND_SOC_DAPM_INPUT("MIC3"), + SND_SOC_DAPM_INPUT("MIC4"), + + SND_SOC_DAPM_ADC("ADC L", NULL, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_ADC("ADC R", NULL, SND_SOC_NOPM, 0, 0), + + /* Digital Interface */ + SND_SOC_DAPM_AIF_OUT("I2S OUT", "I2S1 Capture", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_IN("I2S IN", "I2S1 Playback", 0, SND_SOC_NOPM, 0, 0), + + /* Analog Power Supply*/ + SND_SOC_DAPM_DAC("Right DAC", NULL, ES8326_ANA_PDN, 0, 1), + SND_SOC_DAPM_DAC("Left DAC", NULL, ES8326_ANA_PDN, 1, 1), + SND_SOC_DAPM_SUPPLY("MICBIAS1", ES8326_ANA_MICBIAS, 2, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("MICBIAS2", ES8326_ANA_MICBIAS, 3, 0, NULL, 0), + + SND_SOC_DAPM_PGA("LHPMIX", ES8326_DAC2HPMIX, 7, 0, NULL, 0), + SND_SOC_DAPM_PGA("RHPMIX", ES8326_DAC2HPMIX, 3, 0, NULL, 0), + + SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPOR Supply", ES8326_HP_CAL, + 4, 7, 0, 0), + SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPOL Supply", ES8326_HP_CAL, + 0, 7, 0, 0), + + SND_SOC_DAPM_OUTPUT("HPOL"), + SND_SOC_DAPM_OUTPUT("HPOR"), +}; + +static const struct snd_soc_dapm_route es8326_dapm_routes[] = { + {"ADC L", NULL, "MIC1"}, + {"ADC R", NULL, "MIC2"}, + {"ADC L", NULL, "MIC3"}, + {"ADC R", NULL, "MIC4"}, + + {"I2S OUT", NULL, "ADC L"}, + {"I2S OUT", NULL, "ADC R"}, + + {"Right DAC", NULL, "I2S IN"}, + {"Left DAC", NULL, "I2S IN"}, + + {"LHPMIX", NULL, "Left DAC"}, + {"RHPMIX", NULL, "Right DAC"}, + + {"HPOR", NULL, "HPOR Supply"}, + {"HPOL", NULL, "HPOL Supply"}, + + {"HPOL", NULL, "LHPMIX"}, + {"HPOR", NULL, "RHPMIX"}, +}; + +static bool es8326_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case ES8326_HPL_OFFSET_INI: + case ES8326_HPR_OFFSET_INI: + case ES8326_HPDET_STA: + case ES8326_CTIA_OMTP_STA: + case ES8326_CSM_MUTE_STA: + return true; + default: + return false; + } +} + +static const struct regmap_config es8326_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = 0xff, + .volatile_reg = es8326_volatile_register, + .cache_type = REGCACHE_RBTREE, +}; + +struct _coeff_div { + u16 fs; + u32 rate; + u32 mclk; + u8 reg4; + u8 reg5; + u8 reg6; + u8 reg7; + u8 reg8; + u8 reg9; + u8 rega; + u8 regb; +}; + +/* codec hifi mclk clock divider coefficients */ +/* {ratio, LRCK, MCLK, REG04, REG05, REG06, REG07, REG08, REG09, REG10, REG11} */ +static const struct _coeff_div coeff_div_v0[] = { + {64, 8000, 512000, 0x60, 0x01, 0x0F, 0x75, 0x0A, 0x1B, 0x1F, 0x7F}, + {64, 16000, 1024000, 0x20, 0x00, 0x33, 0x35, 0x0A, 0x1B, 0x1F, 0x3F}, + {64, 44100, 2822400, 0xE0, 0x00, 0x03, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, + {64, 48000, 3072000, 0xE0, 0x00, 0x03, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, + {128, 8000, 1024000, 0x60, 0x00, 0x33, 0x35, 0x0A, 0x1B, 0x1F, 0x7F}, + {128, 16000, 2048000, 0x20, 0x00, 0x03, 0x35, 0x0A, 0x1B, 0x1F, 0x3F}, + {128, 44100, 5644800, 0xE0, 0x01, 0x03, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, + {128, 48000, 6144000, 0xE0, 0x01, 0x03, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, + + {192, 32000, 6144000, 0xE0, 0x02, 0x03, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, + {256, 8000, 2048000, 0x60, 0x00, 0x03, 0x35, 0x0A, 0x1B, 0x1F, 0x7F}, + {256, 16000, 4096000, 0x20, 0x01, 0x03, 0x35, 0x0A, 0x1B, 0x1F, 0x3F}, + {256, 44100, 11289600, 0xE0, 0x00, 0x30, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, + {256, 48000, 12288000, 0xE0, 0x00, 0x30, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, + {384, 32000, 12288000, 0xE0, 0x05, 0x03, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, + {400, 48000, 19200000, 0xE9, 0x04, 0x0F, 0x6d, 0x4A, 0x0A, 0x1F, 0x1F}, + + {500, 48000, 24000000, 0xF8, 0x04, 0x3F, 0x6D, 0x4A, 0x0A, 0x1F, 0x1F}, + {512, 8000, 4096000, 0x60, 0x01, 0x03, 0x35, 0x0A, 0x1B, 0x1F, 0x7F}, + {512, 16000, 8192000, 0x20, 0x00, 0x30, 0x35, 0x0A, 0x1B, 0x1F, 0x3F}, + {512, 44100, 22579200, 0xE0, 0x00, 0x00, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, + {512, 48000, 24576000, 0xE0, 0x00, 0x00, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, + {768, 32000, 24576000, 0xE0, 0x02, 0x30, 0x2D, 0x4A, 0x0A, 0x1F, 0x1F}, + {1024, 8000, 8192000, 0x60, 0x00, 0x30, 0x35, 0x0A, 0x1B, 0x1F, 0x7F}, + {1024, 16000, 16384000, 0x20, 0x00, 0x00, 0x35, 0x0A, 0x1B, 0x1F, 0x3F}, +}; + +static const struct _coeff_div coeff_div_v3[] = { + {32, 8000, 256000, 0x60, 0x00, 0x0F, 0x75, 0x8A, 0x1B, 0x1F, 0x7F}, + {32, 16000, 512000, 0x20, 0x00, 0x0D, 0x75, 0x8A, 0x1B, 0x1F, 0x3F}, + {32, 44100, 1411200, 0x00, 0x00, 0x13, 0x2D, 0x8A, 0x0A, 0x1F, 0x1F}, + {32, 48000, 1536000, 0x00, 0x00, 0x13, 0x2D, 0x8A, 0x0A, 0x1F, 0x1F}, + {36, 8000, 288000, 0x20, 0x00, 0x0D, 0x75, 0x8A, 0x1B, 0x23, 0x47}, + {36, 16000, 576000, 0x20, 0x00, 0x0D, 0x75, 0x8A, 0x1B, 0x23, 0x47}, + {48, 8000, 384000, 0x60, 0x02, 0x1F, 0x75, 0x8A, 0x1B, 0x1F, 0x7F}, + {48, 16000, 768000, 0x20, 0x02, 0x0F, 0x75, 0x8A, 0x1B, 0x1F, 0x3F}, + {48, 48000, 2304000, 0x00, 0x02, 0x0D, 0x2D, 0x8A, 0x0A, 0x1F, 0x1F}, + + {64, 8000, 512000, 0x60, 0x00, 0x35, 0x75, 0x8A, 0x1B, 0x1F, 0x7F}, + {64, 16000, 1024000, 0x20, 0x00, 0x05, 0x75, 0x8A, 0x1B, 0x1F, 0x3F}, + {64, 44100, 2822400, 0xE0, 0x00, 0x31, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F}, + {64, 48000, 3072000, 0xE0, 0x00, 0x31, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F}, + {72, 8000, 576000, 0x20, 0x00, 0x13, 0x35, 0x8A, 0x1B, 0x23, 0x47}, + {72, 16000, 1152000, 0x20, 0x00, 0x05, 0x75, 0x8A, 0x1B, 0x23, 0x47}, + {96, 8000, 768000, 0x60, 0x02, 0x1D, 0x75, 0x8A, 0x1B, 0x1F, 0x7F}, + {96, 16000, 1536000, 0x20, 0x02, 0x0D, 0x75, 0x8A, 0x1B, 0x1F, 0x3F}, + {100, 48000, 4800000, 0x04, 0x04, 0x3F, 0x6D, 0xB8, 0x08, 0x4f, 0x1f}, + {125, 48000, 6000000, 0x04, 0x04, 0x1F, 0x2D, 0x8A, 0x0A, 0x27, 0x27}, + + {128, 8000, 1024000, 0x60, 0x00, 0x05, 0x75, 0x8A, 0x1B, 0x1F, 0x7F}, + {128, 16000, 2048000, 0x20, 0x00, 0x31, 0x35, 0x8A, 0x1B, 0x1F, 0x3F}, + {128, 44100, 5644800, 0xE0, 0x00, 0x01, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F}, + {128, 48000, 6144000, 0xE0, 0x00, 0x01, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F}, + {144, 8000, 1152000, 0x20, 0x00, 0x03, 0x35, 0x8A, 0x1B, 0x23, 0x47}, + {144, 16000, 2304000, 0x20, 0x00, 0x11, 0x35, 0x8A, 0x1B, 0x23, 0x47}, + {192, 8000, 1536000, 0x60, 0x02, 0x0D, 0x75, 0x8A, 0x1B, 0x1F, 0x7F}, + {192, 32000, 6144000, 0xE0, 0x02, 0x31, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F}, + {192, 16000, 3072000, 0x20, 0x02, 0x05, 0x75, 0xCA, 0x1B, 0x1F, 0x3F}, + + {200, 48000, 9600000, 0x04, 0x04, 0x0F, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F}, + {250, 48000, 12000000, 0x04, 0x04, 0x0F, 0x2D, 0xCA, 0x0A, 0x27, 0x27}, + {256, 8000, 2048000, 0x60, 0x00, 0x31, 0x35, 0x8A, 0x1B, 0x1F, 0x7F}, + {256, 16000, 4096000, 0x20, 0x00, 0x01, 0x35, 0x8A, 0x1B, 0x1F, 0x3F}, + {256, 44100, 11289600, 0xE0, 0x00, 0x30, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F}, + {256, 48000, 12288000, 0xE0, 0x00, 0x30, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F}, + {288, 8000, 2304000, 0x20, 0x00, 0x01, 0x35, 0x8A, 0x1B, 0x23, 0x47}, + {384, 8000, 3072000, 0x60, 0x02, 0x05, 0x75, 0x8A, 0x1B, 0x1F, 0x7F}, + {384, 16000, 6144000, 0x20, 0x02, 0x03, 0x35, 0x8A, 0x1B, 0x1F, 0x3F}, + {384, 32000, 12288000, 0xE0, 0x02, 0x01, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F}, + {384, 48000, 18432000, 0x00, 0x02, 0x01, 0x2D, 0x8A, 0x0A, 0x1F, 0x1F}, + + {400, 48000, 19200000, 0xE4, 0x04, 0x35, 0x6d, 0xCA, 0x0A, 0x1F, 0x1F}, + {500, 48000, 24000000, 0xF8, 0x04, 0x3F, 0x6D, 0xCA, 0x0A, 0x1F, 0x1F}, + {512, 8000, 4096000, 0x60, 0x00, 0x01, 0x35, 0x8A, 0x1B, 0x1F, 0x7F}, + {512, 16000, 8192000, 0x20, 0x00, 0x30, 0x35, 0x8A, 0x1B, 0x1F, 0x3F}, + {512, 44100, 22579200, 0xE0, 0x00, 0x00, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F}, + {512, 48000, 24576000, 0xE0, 0x00, 0x00, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F}, + {768, 8000, 6144000, 0x60, 0x02, 0x11, 0x35, 0x8A, 0x1B, 0x1F, 0x7F}, + {768, 16000, 12288000, 0x20, 0x02, 0x01, 0x35, 0x8A, 0x1B, 0x1F, 0x3F}, + {768, 32000, 24576000, 0xE0, 0x02, 0x30, 0x2D, 0xCA, 0x0A, 0x1F, 0x1F}, + {800, 48000, 38400000, 0x00, 0x18, 0x13, 0x2D, 0x8A, 0x0A, 0x1F, 0x1F}, + + {1024, 8000, 8192000, 0x60, 0x00, 0x30, 0x35, 0x8A, 0x1B, 0x1F, 0x7F}, + {1024, 16000, 16384000, 0x20, 0x00, 0x00, 0x35, 0x8A, 0x1B, 0x1F, 0x3F}, + {1152, 16000, 18432000, 0x20, 0x08, 0x11, 0x35, 0x8A, 0x1B, 0x1F, 0x3F}, + {1536, 8000, 12288000, 0x60, 0x02, 0x01, 0x35, 0x8A, 0x1B, 0x1F, 0x7F}, + {1536, 16000, 24576000, 0x20, 0x02, 0x10, 0x35, 0x8A, 0x1B, 0x1F, 0x3F}, + {1625, 8000, 13000000, 0x0C, 0x18, 0x1F, 0x2D, 0x8A, 0x0A, 0x27, 0x27}, + {1625, 16000, 26000000, 0x0C, 0x18, 0x1F, 0x2D, 0x8A, 0x0A, 0x27, 0x27}, + {2048, 8000, 16384000, 0x60, 0x00, 0x00, 0x35, 0x8A, 0x1B, 0x1F, 0x7F}, + {2304, 8000, 18432000, 0x40, 0x02, 0x10, 0x35, 0x8A, 0x1B, 0x1F, 0x5F}, + {3072, 8000, 24576000, 0x60, 0x02, 0x10, 0x35, 0x8A, 0x1B, 0x1F, 0x7F}, + {3250, 8000, 26000000, 0x0C, 0x18, 0x0F, 0x2D, 0x8A, 0x0A, 0x27, 0x27}, +}; + +static inline int get_coeff(int mclk, int rate, int array, + const struct _coeff_div *coeff_div) +{ + int i; + + for (i = 0; i < array; i++) { + if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk) + return i; + } + + return -EINVAL; +} + +static int es8326_set_dai_sysclk(struct snd_soc_dai *codec_dai, + int clk_id, unsigned int freq, int dir) +{ + struct snd_soc_component *codec = codec_dai->component; + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(codec); + + es8326->sysclk = freq; + + return 0; +} + +static int es8326_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) +{ + struct snd_soc_component *component = codec_dai->component; + u8 iface = 0; + + switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { + case SND_SOC_DAIFMT_CBC_CFP: + snd_soc_component_update_bits(component, ES8326_RESET, + ES8326_MASTER_MODE_EN, ES8326_MASTER_MODE_EN); + break; + case SND_SOC_DAIFMT_CBC_CFC: + break; + default: + return -EINVAL; + } + + /* interface format */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + break; + case SND_SOC_DAIFMT_RIGHT_J: + dev_err(component->dev, "Codec driver does not support right justified\n"); + return -EINVAL; + case SND_SOC_DAIFMT_LEFT_J: + iface |= ES8326_DAIFMT_LEFT_J; + break; + case SND_SOC_DAIFMT_DSP_A: + iface |= ES8326_DAIFMT_DSP_A; + break; + case SND_SOC_DAIFMT_DSP_B: + iface |= ES8326_DAIFMT_DSP_B; + break; + default: + return -EINVAL; + } + + snd_soc_component_update_bits(component, ES8326_FMT, ES8326_DAIFMT_MASK, iface); + + return 0; +} + +static int es8326_pcm_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; + const struct _coeff_div *coeff_div; + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); + u8 srate = 0; + int coeff, array; + + if (es8326->version == 0) { + coeff_div = coeff_div_v0; + array = ARRAY_SIZE(coeff_div_v0); + } else { + coeff_div = coeff_div_v3; + array = ARRAY_SIZE(coeff_div_v3); + } + coeff = get_coeff(es8326->sysclk, params_rate(params), array, coeff_div); + /* bit size */ + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + srate |= ES8326_S16_LE; + break; + case SNDRV_PCM_FORMAT_S20_3LE: + srate |= ES8326_S20_3_LE; + break; + case SNDRV_PCM_FORMAT_S18_3LE: + srate |= ES8326_S18_LE; + break; + case SNDRV_PCM_FORMAT_S24_LE: + srate |= ES8326_S24_LE; + break; + case SNDRV_PCM_FORMAT_S32_LE: + srate |= ES8326_S32_LE; + break; + default: + return -EINVAL; + } + + /* set iface & srate */ + snd_soc_component_update_bits(component, ES8326_FMT, ES8326_DATA_LEN_MASK, srate); + + if (coeff >= 0) { + regmap_write(es8326->regmap, ES8326_CLK_DIV1, + coeff_div[coeff].reg4); + regmap_write(es8326->regmap, ES8326_CLK_DIV2, + coeff_div[coeff].reg5); + regmap_write(es8326->regmap, ES8326_CLK_DLL, + coeff_div[coeff].reg6); + regmap_write(es8326->regmap, ES8326_CLK_MUX, + coeff_div[coeff].reg7); + regmap_write(es8326->regmap, ES8326_CLK_ADC_SEL, + coeff_div[coeff].reg8); + regmap_write(es8326->regmap, ES8326_CLK_DAC_SEL, + coeff_div[coeff].reg9); + regmap_write(es8326->regmap, ES8326_CLK_ADC_OSR, + coeff_div[coeff].rega); + regmap_write(es8326->regmap, ES8326_CLK_DAC_OSR, + coeff_div[coeff].regb); + } else { + dev_warn(component->dev, "Clock coefficients do not match"); + } + + return 0; +} + +static int es8326_mute(struct snd_soc_dai *dai, int mute, int direction) +{ + struct snd_soc_component *component = dai->component; + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); + unsigned int offset_l, offset_r; + + if (mute) { + if (direction == SNDRV_PCM_STREAM_PLAYBACK) { + regmap_write(es8326->regmap, ES8326_HP_CAL, ES8326_HP_OFF); + regmap_update_bits(es8326->regmap, ES8326_DAC_MUTE, + ES8326_MUTE_MASK, ES8326_MUTE); + regmap_update_bits(es8326->regmap, ES8326_HP_DRIVER_REF, + 0x30, 0x00); + } else { + regmap_update_bits(es8326->regmap, ES8326_ADC_MUTE, + 0x0F, 0x0F); + } + } else { + if (!es8326->calibrated) { + regmap_write(es8326->regmap, ES8326_HP_CAL, ES8326_HP_FORCE_CAL); + msleep(30); + regmap_write(es8326->regmap, ES8326_HP_CAL, ES8326_HP_OFF); + regmap_read(es8326->regmap, ES8326_HPL_OFFSET_INI, &offset_l); + regmap_read(es8326->regmap, ES8326_HPR_OFFSET_INI, &offset_r); + regmap_write(es8326->regmap, ES8326_HP_OFFSET_CAL, 0x8c); + regmap_write(es8326->regmap, ES8326_HPL_OFFSET_INI, offset_l); + regmap_write(es8326->regmap, ES8326_HPR_OFFSET_INI, offset_r); + es8326->calibrated = true; + } + if (direction == SNDRV_PCM_STREAM_PLAYBACK) { + regmap_update_bits(es8326->regmap, ES8326_DAC_DSM, 0x01, 0x01); + usleep_range(1000, 5000); + regmap_update_bits(es8326->regmap, ES8326_DAC_DSM, 0x01, 0x00); + usleep_range(1000, 5000); + regmap_update_bits(es8326->regmap, ES8326_HP_DRIVER_REF, 0x30, 0x20); + regmap_update_bits(es8326->regmap, ES8326_HP_DRIVER_REF, 0x30, 0x30); + regmap_write(es8326->regmap, ES8326_HP_DRIVER, 0xa1); + regmap_write(es8326->regmap, ES8326_HP_CAL, ES8326_HP_ON); + regmap_update_bits(es8326->regmap, ES8326_DAC_MUTE, + ES8326_MUTE_MASK, ~(ES8326_MUTE)); + } else { + msleep(300); + regmap_update_bits(es8326->regmap, ES8326_ADC_MUTE, + 0x0F, 0x00); + } + } + return 0; +} + +static int es8326_set_bias_level(struct snd_soc_component *codec, + enum snd_soc_bias_level level) +{ + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(codec); + int ret; + + switch (level) { + case SND_SOC_BIAS_ON: + ret = clk_prepare_enable(es8326->mclk); + if (ret) + return ret; + + regmap_update_bits(es8326->regmap, ES8326_RESET, 0x02, 0x02); + usleep_range(5000, 10000); + regmap_write(es8326->regmap, ES8326_INTOUT_IO, es8326->interrupt_clk); + regmap_write(es8326->regmap, ES8326_SDINOUT1_IO, + (ES8326_IO_DMIC_CLK << ES8326_SDINOUT1_SHIFT)); + regmap_write(es8326->regmap, ES8326_PGA_PDN, 0x40); + regmap_write(es8326->regmap, ES8326_ANA_PDN, 0x00); + regmap_update_bits(es8326->regmap, ES8326_CLK_CTL, 0x20, 0x20); + regmap_update_bits(es8326->regmap, ES8326_RESET, 0x02, 0x00); + break; + case SND_SOC_BIAS_PREPARE: + break; + case SND_SOC_BIAS_STANDBY: + regmap_write(es8326->regmap, ES8326_ANA_PDN, 0x3b); + regmap_update_bits(es8326->regmap, ES8326_CLK_CTL, 0x20, 0x00); + regmap_write(es8326->regmap, ES8326_SDINOUT1_IO, ES8326_IO_INPUT); + break; + case SND_SOC_BIAS_OFF: + clk_disable_unprepare(es8326->mclk); + break; + } + + return 0; +} + +#define es8326_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ + SNDRV_PCM_FMTBIT_S24_LE) + +static const struct snd_soc_dai_ops es8326_ops = { + .hw_params = es8326_pcm_hw_params, + .set_fmt = es8326_set_dai_fmt, + .set_sysclk = es8326_set_dai_sysclk, + .mute_stream = es8326_mute, + .no_capture_mute = 0, +}; + +static struct snd_soc_dai_driver es8326_dai = { + .name = "ES8326 HiFi", + .playback = { + .stream_name = "Playback", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_48000, + .formats = es8326_FORMATS, + }, + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_48000, + .formats = es8326_FORMATS, + }, + .ops = &es8326_ops, + .symmetric_rate = 1, +}; + +static void es8326_enable_micbias(struct snd_soc_component *component) +{ + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + + snd_soc_dapm_mutex_lock(dapm); + snd_soc_dapm_force_enable_pin_unlocked(dapm, "MICBIAS1"); + snd_soc_dapm_force_enable_pin_unlocked(dapm, "MICBIAS2"); + snd_soc_dapm_sync_unlocked(dapm); + snd_soc_dapm_mutex_unlock(dapm); +} + +static void es8326_disable_micbias(struct snd_soc_component *component) +{ + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + + snd_soc_dapm_mutex_lock(dapm); + snd_soc_dapm_disable_pin_unlocked(dapm, "MICBIAS1"); + snd_soc_dapm_disable_pin_unlocked(dapm, "MICBIAS2"); + snd_soc_dapm_sync_unlocked(dapm); + snd_soc_dapm_mutex_unlock(dapm); +} + +/* + * For button detection, set the following in soundcard + * snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); + * snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP); + * snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN); + */ +static void es8326_jack_button_handler(struct work_struct *work) +{ + struct es8326_priv *es8326 = + container_of(work, struct es8326_priv, button_press_work.work); + struct snd_soc_component *comp = es8326->component; + unsigned int iface; + static int button_to_report, press_count; + static int prev_button, cur_button; + + if (!(es8326->jack->status & SND_JACK_HEADSET)) /* Jack unplugged */ + return; + + mutex_lock(&es8326->lock); + iface = snd_soc_component_read(comp, ES8326_HPDET_STA); + switch (iface) { + case 0x93: + /* pause button detected */ + cur_button = SND_JACK_BTN_0; + break; + case 0x6f: + case 0x4b: + /* button volume up */ + cur_button = SND_JACK_BTN_1; + break; + case 0x27: + /* button volume down */ + cur_button = SND_JACK_BTN_2; + break; + case 0x1e: + case 0xe2: + /* button released or not pressed */ + cur_button = 0; + break; + default: + break; + } + + if ((prev_button == cur_button) && (cur_button != 0)) { + press_count++; + if (press_count > 3) { + /* report a press every 120ms */ + snd_soc_jack_report(es8326->jack, cur_button, + SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2); + press_count = 0; + } + button_to_report = cur_button; + queue_delayed_work(system_wq, &es8326->button_press_work, + msecs_to_jiffies(35)); + } else if (prev_button != cur_button) { + /* mismatch, detect again */ + prev_button = cur_button; + queue_delayed_work(system_wq, &es8326->button_press_work, + msecs_to_jiffies(35)); + } else { + /* released or no pressed */ + if (button_to_report != 0) { + snd_soc_jack_report(es8326->jack, button_to_report, + SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2); + snd_soc_jack_report(es8326->jack, 0, + SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2); + button_to_report = 0; + } + } + mutex_unlock(&es8326->lock); +} + +static void es8326_jack_detect_handler(struct work_struct *work) +{ + struct es8326_priv *es8326 = + container_of(work, struct es8326_priv, jack_detect_work.work); + struct snd_soc_component *comp = es8326->component; + unsigned int iface; + + mutex_lock(&es8326->lock); + iface = snd_soc_component_read(comp, ES8326_HPDET_STA); + dev_dbg(comp->dev, "gpio flag %#04x", iface); + + if ((es8326->jack_remove_retry == 1) && (es8326->version != ES8326_VERSION_B)) { + if (iface & ES8326_HPINSERT_FLAG) + es8326->jack_remove_retry = 2; + else + es8326->jack_remove_retry = 0; + + dev_dbg(comp->dev, "remove event check, set HPJACK_POL normal, cnt = %d\n", + es8326->jack_remove_retry); + /* + * Inverted HPJACK_POL bit to trigger one IRQ to double check HP Removal event + */ + regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, + ES8326_HP_DET_JACK_POL, (es8326->jd_inverted ? + ~es8326->jack_pol : es8326->jack_pol)); + goto exit; + } + + if ((iface & ES8326_HPINSERT_FLAG) == 0) { + /* Jack unplugged or spurious IRQ */ + dev_dbg(comp->dev, "No headset detected\n"); + es8326_disable_micbias(es8326->component); + if (es8326->jack->status & SND_JACK_HEADPHONE) { + dev_dbg(comp->dev, "Report hp remove event\n"); + snd_soc_jack_report(es8326->jack, 0, SND_JACK_HEADSET); + /* mute adc when mic path switch */ + regmap_write(es8326->regmap, ES8326_ADC_SCALE, 0x33); + regmap_write(es8326->regmap, ES8326_ADC1_SRC, 0x44); + regmap_write(es8326->regmap, ES8326_ADC2_SRC, 0x66); + es8326->hp = 0; + } + regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x01); + regmap_write(es8326->regmap, ES8326_SYS_BIAS, 0x0a); + regmap_update_bits(es8326->regmap, ES8326_HP_DRIVER_REF, 0x0f, 0x03); + /* + * Inverted HPJACK_POL bit to trigger one IRQ to double check HP Removal event + */ + if ((es8326->jack_remove_retry == 0) && (es8326->version != ES8326_VERSION_B)) { + es8326->jack_remove_retry = 1; + dev_dbg(comp->dev, "remove event check, invert HPJACK_POL, cnt = %d\n", + es8326->jack_remove_retry); + regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, + ES8326_HP_DET_JACK_POL, (es8326->jd_inverted ? + es8326->jack_pol : ~es8326->jack_pol)); + + } else { + es8326->jack_remove_retry = 0; + } + } else if ((iface & ES8326_HPINSERT_FLAG) == ES8326_HPINSERT_FLAG) { + es8326->jack_remove_retry = 0; + if (es8326->hp == 0) { + dev_dbg(comp->dev, "First insert, start OMTP/CTIA type check\n"); + /* + * set auto-check mode, then restart jack_detect_work after 400ms. + * Don't report jack status. + */ + regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x01); + es8326_enable_micbias(es8326->component); + usleep_range(50000, 70000); + regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x00); + regmap_write(es8326->regmap, ES8326_SYS_BIAS, 0x1f); + regmap_update_bits(es8326->regmap, ES8326_HP_DRIVER_REF, 0x0f, 0x08); + queue_delayed_work(system_wq, &es8326->jack_detect_work, + msecs_to_jiffies(400)); + es8326->hp = 1; + goto exit; + } + if (es8326->jack->status & SND_JACK_HEADSET) { + /* detect button */ + dev_dbg(comp->dev, "button pressed\n"); + queue_delayed_work(system_wq, &es8326->button_press_work, 10); + goto exit; + } + if ((iface & ES8326_HPBUTTON_FLAG) == 0x01) { + dev_dbg(comp->dev, "Headphone detected\n"); + snd_soc_jack_report(es8326->jack, + SND_JACK_HEADPHONE, SND_JACK_HEADSET); + } else { + dev_dbg(comp->dev, "Headset detected\n"); + snd_soc_jack_report(es8326->jack, + SND_JACK_HEADSET, SND_JACK_HEADSET); + + regmap_write(es8326->regmap, ES8326_ADC_SCALE, 0x33); + regmap_update_bits(es8326->regmap, ES8326_PGA_PDN, + 0x08, 0x08); + regmap_update_bits(es8326->regmap, ES8326_PGAGAIN, + 0x80, 0x80); + regmap_write(es8326->regmap, ES8326_ADC1_SRC, 0x00); + regmap_write(es8326->regmap, ES8326_ADC2_SRC, 0x00); + regmap_update_bits(es8326->regmap, ES8326_PGA_PDN, + 0x08, 0x00); + usleep_range(10000, 15000); + } + } +exit: + mutex_unlock(&es8326->lock); +} + +static irqreturn_t es8326_irq(int irq, void *dev_id) +{ + struct es8326_priv *es8326 = dev_id; + + if (!es8326->jack) + goto out; + + if (es8326->jack->status & SND_JACK_HEADSET) + queue_delayed_work(system_wq, &es8326->jack_detect_work, + msecs_to_jiffies(10)); + else + queue_delayed_work(system_wq, &es8326->jack_detect_work, + msecs_to_jiffies(300)); + +out: + return IRQ_HANDLED; +} + +static int es8326_calibrate(struct snd_soc_component *component) +{ + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); + unsigned int reg; + unsigned int offset_l, offset_r; + + regmap_read(es8326->regmap, ES8326_CHIP_VERSION, ®); + es8326->version = reg; + + if ((es8326->version == ES8326_VERSION_B) && (es8326->calibrated == false)) { + dev_dbg(component->dev, "ES8326_VERSION_B, calibrating\n"); + regmap_write(es8326->regmap, ES8326_CLK_INV, 0xc0); + regmap_write(es8326->regmap, ES8326_CLK_DIV1, 0x03); + regmap_write(es8326->regmap, ES8326_CLK_DLL, 0x30); + regmap_write(es8326->regmap, ES8326_CLK_MUX, 0xed); + regmap_write(es8326->regmap, ES8326_CLK_DAC_SEL, 0x08); + regmap_write(es8326->regmap, ES8326_CLK_TRI, 0xc1); + regmap_write(es8326->regmap, ES8326_DAC_MUTE, 0x03); + regmap_write(es8326->regmap, ES8326_ANA_VSEL, 0x7f); + regmap_write(es8326->regmap, ES8326_VMIDLOW, 0x23); + regmap_write(es8326->regmap, ES8326_DAC2HPMIX, 0x88); + usleep_range(15000, 20000); + regmap_write(es8326->regmap, ES8326_HP_OFFSET_CAL, 0x8c); + usleep_range(15000, 20000); + regmap_write(es8326->regmap, ES8326_RESET, 0xc0); + usleep_range(15000, 20000); + + regmap_write(es8326->regmap, ES8326_HP_OFFSET_CAL, ES8326_HP_OFF); + regmap_read(es8326->regmap, ES8326_CSM_MUTE_STA, ®); + if ((reg & 0xf0) != 0x40) + msleep(50); + + regmap_write(es8326->regmap, ES8326_HP_CAL, 0xd4); + msleep(200); + regmap_write(es8326->regmap, ES8326_HP_CAL, 0x4d); + msleep(200); + regmap_write(es8326->regmap, ES8326_HP_CAL, ES8326_HP_OFF); + regmap_read(es8326->regmap, ES8326_HPL_OFFSET_INI, &offset_l); + regmap_read(es8326->regmap, ES8326_HPR_OFFSET_INI, &offset_r); + regmap_write(es8326->regmap, ES8326_HP_OFFSET_CAL, 0x8c); + regmap_write(es8326->regmap, ES8326_HPL_OFFSET_INI, offset_l); + regmap_write(es8326->regmap, ES8326_HPR_OFFSET_INI, offset_r); + regmap_write(es8326->regmap, ES8326_CLK_INV, 0x00); + + es8326->calibrated = true; + } + + return 0; +} + +static int es8326_resume(struct snd_soc_component *component) +{ + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); + + regcache_cache_only(es8326->regmap, false); + regcache_sync(es8326->regmap); + + /* reset internal clock state */ + regmap_write(es8326->regmap, ES8326_RESET, 0x1f); + regmap_write(es8326->regmap, ES8326_VMIDSEL, 0x0E); + regmap_write(es8326->regmap, ES8326_ANA_LP, 0xf0); + usleep_range(10000, 15000); + regmap_write(es8326->regmap, ES8326_HPJACK_TIMER, 0xe9); + regmap_write(es8326->regmap, ES8326_ANA_MICBIAS, 0xcb); + /* set headphone default type and detect pin */ + regmap_write(es8326->regmap, ES8326_HPDET_TYPE, 0x83); + regmap_write(es8326->regmap, ES8326_CLK_RESAMPLE, 0x05); + + /* set internal oscillator as clock source of headpone cp */ + regmap_write(es8326->regmap, ES8326_CLK_DIV_CPC, 0x89); + regmap_write(es8326->regmap, ES8326_CLK_CTL, ES8326_CLK_ON); + /* clock manager reset release */ + regmap_write(es8326->regmap, ES8326_RESET, 0x17); + /* set headphone detection as half scan mode */ + regmap_write(es8326->regmap, ES8326_HP_MISC, 0x3d); + regmap_write(es8326->regmap, ES8326_PULLUP_CTL, 0x00); + + /* enable headphone driver */ + regmap_write(es8326->regmap, ES8326_HP_VOL, 0xc4); + regmap_write(es8326->regmap, ES8326_HP_DRIVER, 0xa7); + usleep_range(2000, 5000); + regmap_write(es8326->regmap, ES8326_HP_DRIVER_REF, 0x23); + regmap_write(es8326->regmap, ES8326_HP_DRIVER_REF, 0x33); + regmap_write(es8326->regmap, ES8326_HP_DRIVER, 0xa1); + + regmap_write(es8326->regmap, ES8326_CLK_INV, 0x00); + regmap_write(es8326->regmap, ES8326_CLK_VMIDS1, 0xc4); + regmap_write(es8326->regmap, ES8326_CLK_VMIDS2, 0x81); + regmap_write(es8326->regmap, ES8326_CLK_CAL_TIME, 0x00); + /* calibrate for B version */ + es8326_calibrate(component); + regmap_write(es8326->regmap, ES8326_DAC_CROSSTALK, 0xaa); + regmap_write(es8326->regmap, ES8326_DAC_RAMPRATE, 0x00); + /* turn off headphone out */ + regmap_write(es8326->regmap, ES8326_HP_CAL, 0x00); + /* set ADC and DAC in low power mode */ + regmap_write(es8326->regmap, ES8326_ANA_LP, 0xf0); + + regmap_write(es8326->regmap, ES8326_ANA_VSEL, 0x7F); + /* select vdda as micbias source */ + regmap_write(es8326->regmap, ES8326_VMIDLOW, 0x23); + /* set dac dsmclip = 1 */ + regmap_write(es8326->regmap, ES8326_DAC_DSM, 0x08); + regmap_write(es8326->regmap, ES8326_DAC_VPPSCALE, 0x15); + + regmap_write(es8326->regmap, ES8326_HPDET_TYPE, 0x80 | + ((es8326->version == ES8326_VERSION_B) ? + (ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol) : + (ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol | 0x04))); + usleep_range(5000, 10000); + es8326_enable_micbias(es8326->component); + usleep_range(50000, 70000); + regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x00); + regmap_write(es8326->regmap, ES8326_INT_SOURCE, + (ES8326_INT_SRC_PIN9 | ES8326_INT_SRC_BUTTON)); + regmap_write(es8326->regmap, ES8326_INTOUT_IO, + es8326->interrupt_clk); + regmap_write(es8326->regmap, ES8326_SDINOUT1_IO, + (ES8326_IO_DMIC_CLK << ES8326_SDINOUT1_SHIFT)); + regmap_write(es8326->regmap, ES8326_SDINOUT23_IO, ES8326_IO_INPUT); + + regmap_write(es8326->regmap, ES8326_ANA_PDN, 0x00); + regmap_write(es8326->regmap, ES8326_RESET, ES8326_CSM_ON); + regmap_update_bits(es8326->regmap, ES8326_PGAGAIN, ES8326_MIC_SEL_MASK, + ES8326_MIC1_SEL); + + regmap_update_bits(es8326->regmap, ES8326_DAC_MUTE, ES8326_MUTE_MASK, + ES8326_MUTE); + + regmap_write(es8326->regmap, ES8326_ADC_MUTE, 0x0f); + + es8326->jack_remove_retry = 0; + es8326->hp = 0; + es8326->hpl_vol = 0x03; + es8326->hpr_vol = 0x03; + return 0; +} + +static int es8326_suspend(struct snd_soc_component *component) +{ + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); + + cancel_delayed_work_sync(&es8326->jack_detect_work); + es8326_disable_micbias(component); + es8326->calibrated = false; + regmap_write(es8326->regmap, ES8326_CLK_CTL, ES8326_CLK_OFF); + regcache_cache_only(es8326->regmap, true); + regcache_mark_dirty(es8326->regmap); + + /* reset register value to default */ + regmap_write(es8326->regmap, ES8326_CSM_I2C_STA, 0x01); + usleep_range(1000, 3000); + regmap_write(es8326->regmap, ES8326_CSM_I2C_STA, 0x00); + return 0; +} + +static int es8326_probe(struct snd_soc_component *component) +{ + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); + int ret; + + es8326->component = component; + es8326->jd_inverted = device_property_read_bool(component->dev, + "everest,jack-detect-inverted"); + + ret = device_property_read_u8(component->dev, "everest,jack-pol", &es8326->jack_pol); + if (ret != 0) { + dev_dbg(component->dev, "jack-pol return %d", ret); + es8326->jack_pol = ES8326_HP_TYPE_AUTO; + } + dev_dbg(component->dev, "jack-pol %x", es8326->jack_pol); + + ret = device_property_read_u8(component->dev, "everest,interrupt-src", + &es8326->interrupt_src); + if (ret != 0) { + dev_dbg(component->dev, "interrupt-src return %d", ret); + es8326->interrupt_src = ES8326_HP_DET_SRC_PIN9; + } + dev_dbg(component->dev, "interrupt-src %x", es8326->interrupt_src); + + ret = device_property_read_u8(component->dev, "everest,interrupt-clk", + &es8326->interrupt_clk); + if (ret != 0) { + dev_dbg(component->dev, "interrupt-clk return %d", ret); + es8326->interrupt_clk = 0x00; + } + dev_dbg(component->dev, "interrupt-clk %x", es8326->interrupt_clk); + + es8326_resume(component); + return 0; +} + +static void es8326_enable_jack_detect(struct snd_soc_component *component, + struct snd_soc_jack *jack) +{ + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); + + mutex_lock(&es8326->lock); + if (es8326->jd_inverted) + snd_soc_component_update_bits(component, ES8326_HPDET_TYPE, + ES8326_HP_DET_JACK_POL, ~es8326->jack_pol); + es8326->jack = jack; + + mutex_unlock(&es8326->lock); + es8326_irq(es8326->irq, es8326); +} + +static void es8326_disable_jack_detect(struct snd_soc_component *component) +{ + struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component); + + dev_dbg(component->dev, "Enter into %s\n", __func__); + if (!es8326->jack) + return; /* Already disabled (or never enabled) */ + cancel_delayed_work_sync(&es8326->jack_detect_work); + + mutex_lock(&es8326->lock); + if (es8326->jack->status & SND_JACK_MICROPHONE) { + es8326_disable_micbias(component); + snd_soc_jack_report(es8326->jack, 0, SND_JACK_HEADSET); + } + es8326->jack = NULL; + mutex_unlock(&es8326->lock); +} + +static int es8326_set_jack(struct snd_soc_component *component, + struct snd_soc_jack *jack, void *data) +{ + if (jack) + es8326_enable_jack_detect(component, jack); + else + es8326_disable_jack_detect(component); + + return 0; +} + +static void es8326_remove(struct snd_soc_component *component) +{ + es8326_disable_jack_detect(component); + es8326_set_bias_level(component, SND_SOC_BIAS_OFF); +} + +static const struct snd_soc_component_driver soc_component_dev_es8326 = { + .probe = es8326_probe, + .remove = es8326_remove, + .resume = es8326_resume, + .suspend = es8326_suspend, + .set_bias_level = es8326_set_bias_level, + .set_jack = es8326_set_jack, + .dapm_widgets = es8326_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(es8326_dapm_widgets), + .dapm_routes = es8326_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(es8326_dapm_routes), + .controls = es8326_snd_controls, + .num_controls = ARRAY_SIZE(es8326_snd_controls), + .use_pmdown_time = 1, + .endianness = 1, +}; + +static int es8326_i2c_probe(struct i2c_client *i2c) +{ + struct es8326_priv *es8326; + int ret; + + es8326 = devm_kzalloc(&i2c->dev, sizeof(struct es8326_priv), GFP_KERNEL); + if (!es8326) + return -ENOMEM; + + i2c_set_clientdata(i2c, es8326); + es8326->i2c = i2c; + mutex_init(&es8326->lock); + es8326->regmap = devm_regmap_init_i2c(i2c, &es8326_regmap_config); + if (IS_ERR(es8326->regmap)) { + ret = PTR_ERR(es8326->regmap); + dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret); + return ret; + } + + es8326->irq = i2c->irq; + INIT_DELAYED_WORK(&es8326->jack_detect_work, + es8326_jack_detect_handler); + INIT_DELAYED_WORK(&es8326->button_press_work, + es8326_jack_button_handler); + /* ES8316 is level-based while ES8326 is edge-based */ + ret = devm_request_threaded_irq(&i2c->dev, es8326->irq, NULL, es8326_irq, + IRQF_TRIGGER_RISING | IRQF_ONESHOT, + "es8326", es8326); + if (ret) { + dev_warn(&i2c->dev, "Failed to request IRQ: %d: %d\n", + es8326->irq, ret); + es8326->irq = -ENXIO; + } + + es8326->mclk = devm_clk_get_optional(&i2c->dev, "mclk"); + if (IS_ERR(es8326->mclk)) { + dev_err(&i2c->dev, "unable to get mclk\n"); + return PTR_ERR(es8326->mclk); + } + if (!es8326->mclk) + dev_warn(&i2c->dev, "assuming static mclk\n"); + + ret = clk_prepare_enable(es8326->mclk); + if (ret) { + dev_err(&i2c->dev, "unable to enable mclk\n"); + return ret; + } + return devm_snd_soc_register_component(&i2c->dev, + &soc_component_dev_es8326, + &es8326_dai, 1); +} + +static const struct i2c_device_id es8326_i2c_id[] = { + {"es8326", 0 }, + {} +}; +MODULE_DEVICE_TABLE(i2c, es8326_i2c_id); + +#ifdef CONFIG_OF +static const struct of_device_id es8326_of_match[] = { + { .compatible = "everest,es8326", }, + {} +}; +MODULE_DEVICE_TABLE(of, es8326_of_match); +#endif + +#ifdef CONFIG_ACPI +static const struct acpi_device_id es8326_acpi_match[] = { + {"ESSX8326", 0}, + {}, +}; +MODULE_DEVICE_TABLE(acpi, es8326_acpi_match); +#endif + +static struct i2c_driver es8326_i2c_driver = { + .driver = { + .name = "es8326", + .acpi_match_table = ACPI_PTR(es8326_acpi_match), + .of_match_table = of_match_ptr(es8326_of_match), + }, + .probe = es8326_i2c_probe, + .id_table = es8326_i2c_id, +}; +module_i2c_driver(es8326_i2c_driver); + +MODULE_DESCRIPTION("ASoC es8326 driver"); +MODULE_AUTHOR("David Yang <yangxiaohua@everest-semi.com>"); +MODULE_LICENSE("GPL"); |