v4.19.13 snapshot.
diff --git a/sound/soc/codecs/cs53l30.c b/sound/soc/codecs/cs53l30.c
new file mode 100644
index 0000000..8995ea4
--- /dev/null
+++ b/sound/soc/codecs/cs53l30.c
@@ -0,0 +1,1137 @@
+/*
+ * cs53l30.c -- CS53l30 ALSA Soc Audio driver
+ *
+ * Copyright 2015 Cirrus Logic, Inc.
+ *
+ * Authors: Paul Handrigan <Paul.Handrigan@cirrus.com>,
+ * Tim Howe <Tim.Howe@cirrus.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/clk.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/of_gpio.h>
+#include <linux/gpio/consumer.h>
+#include <linux/regulator/consumer.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/tlv.h>
+
+#include "cs53l30.h"
+
+#define CS53L30_NUM_SUPPLIES 2
+static const char *const cs53l30_supply_names[CS53L30_NUM_SUPPLIES] = {
+ "VA",
+ "VP",
+};
+
+struct cs53l30_private {
+ struct regulator_bulk_data supplies[CS53L30_NUM_SUPPLIES];
+ struct regmap *regmap;
+ struct gpio_desc *reset_gpio;
+ struct gpio_desc *mute_gpio;
+ struct clk *mclk;
+ bool use_sdout2;
+ u32 mclk_rate;
+};
+
+static const struct reg_default cs53l30_reg_defaults[] = {
+ { CS53L30_PWRCTL, CS53L30_PWRCTL_DEFAULT },
+ { CS53L30_MCLKCTL, CS53L30_MCLKCTL_DEFAULT },
+ { CS53L30_INT_SR_CTL, CS53L30_INT_SR_CTL_DEFAULT },
+ { CS53L30_MICBIAS_CTL, CS53L30_MICBIAS_CTL_DEFAULT },
+ { CS53L30_ASPCFG_CTL, CS53L30_ASPCFG_CTL_DEFAULT },
+ { CS53L30_ASP_CTL1, CS53L30_ASP_CTL1_DEFAULT },
+ { CS53L30_ASP_TDMTX_CTL1, CS53L30_ASP_TDMTX_CTLx_DEFAULT },
+ { CS53L30_ASP_TDMTX_CTL2, CS53L30_ASP_TDMTX_CTLx_DEFAULT },
+ { CS53L30_ASP_TDMTX_CTL3, CS53L30_ASP_TDMTX_CTLx_DEFAULT },
+ { CS53L30_ASP_TDMTX_CTL4, CS53L30_ASP_TDMTX_CTLx_DEFAULT },
+ { CS53L30_ASP_TDMTX_EN1, CS53L30_ASP_TDMTX_ENx_DEFAULT },
+ { CS53L30_ASP_TDMTX_EN2, CS53L30_ASP_TDMTX_ENx_DEFAULT },
+ { CS53L30_ASP_TDMTX_EN3, CS53L30_ASP_TDMTX_ENx_DEFAULT },
+ { CS53L30_ASP_TDMTX_EN4, CS53L30_ASP_TDMTX_ENx_DEFAULT },
+ { CS53L30_ASP_TDMTX_EN5, CS53L30_ASP_TDMTX_ENx_DEFAULT },
+ { CS53L30_ASP_TDMTX_EN6, CS53L30_ASP_TDMTX_ENx_DEFAULT },
+ { CS53L30_ASP_CTL2, CS53L30_ASP_CTL2_DEFAULT },
+ { CS53L30_SFT_RAMP, CS53L30_SFT_RMP_DEFAULT },
+ { CS53L30_LRCK_CTL1, CS53L30_LRCK_CTLx_DEFAULT },
+ { CS53L30_LRCK_CTL2, CS53L30_LRCK_CTLx_DEFAULT },
+ { CS53L30_MUTEP_CTL1, CS53L30_MUTEP_CTL1_DEFAULT },
+ { CS53L30_MUTEP_CTL2, CS53L30_MUTEP_CTL2_DEFAULT },
+ { CS53L30_INBIAS_CTL1, CS53L30_INBIAS_CTL1_DEFAULT },
+ { CS53L30_INBIAS_CTL2, CS53L30_INBIAS_CTL2_DEFAULT },
+ { CS53L30_DMIC1_STR_CTL, CS53L30_DMIC1_STR_CTL_DEFAULT },
+ { CS53L30_DMIC2_STR_CTL, CS53L30_DMIC2_STR_CTL_DEFAULT },
+ { CS53L30_ADCDMIC1_CTL1, CS53L30_ADCDMICx_CTL1_DEFAULT },
+ { CS53L30_ADCDMIC1_CTL2, CS53L30_ADCDMIC1_CTL2_DEFAULT },
+ { CS53L30_ADC1_CTL3, CS53L30_ADCx_CTL3_DEFAULT },
+ { CS53L30_ADC1_NG_CTL, CS53L30_ADCx_NG_CTL_DEFAULT },
+ { CS53L30_ADC1A_AFE_CTL, CS53L30_ADCxy_AFE_CTL_DEFAULT },
+ { CS53L30_ADC1B_AFE_CTL, CS53L30_ADCxy_AFE_CTL_DEFAULT },
+ { CS53L30_ADC1A_DIG_VOL, CS53L30_ADCxy_DIG_VOL_DEFAULT },
+ { CS53L30_ADC1B_DIG_VOL, CS53L30_ADCxy_DIG_VOL_DEFAULT },
+ { CS53L30_ADCDMIC2_CTL1, CS53L30_ADCDMICx_CTL1_DEFAULT },
+ { CS53L30_ADCDMIC2_CTL2, CS53L30_ADCDMIC1_CTL2_DEFAULT },
+ { CS53L30_ADC2_CTL3, CS53L30_ADCx_CTL3_DEFAULT },
+ { CS53L30_ADC2_NG_CTL, CS53L30_ADCx_NG_CTL_DEFAULT },
+ { CS53L30_ADC2A_AFE_CTL, CS53L30_ADCxy_AFE_CTL_DEFAULT },
+ { CS53L30_ADC2B_AFE_CTL, CS53L30_ADCxy_AFE_CTL_DEFAULT },
+ { CS53L30_ADC2A_DIG_VOL, CS53L30_ADCxy_DIG_VOL_DEFAULT },
+ { CS53L30_ADC2B_DIG_VOL, CS53L30_ADCxy_DIG_VOL_DEFAULT },
+ { CS53L30_INT_MASK, CS53L30_DEVICE_INT_MASK },
+};
+
+static bool cs53l30_volatile_register(struct device *dev, unsigned int reg)
+{
+ if (reg == CS53L30_IS)
+ return true;
+ else
+ return false;
+}
+
+static bool cs53l30_writeable_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case CS53L30_DEVID_AB:
+ case CS53L30_DEVID_CD:
+ case CS53L30_DEVID_E:
+ case CS53L30_REVID:
+ case CS53L30_IS:
+ return false;
+ default:
+ return true;
+ }
+}
+
+static bool cs53l30_readable_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case CS53L30_DEVID_AB:
+ case CS53L30_DEVID_CD:
+ case CS53L30_DEVID_E:
+ case CS53L30_REVID:
+ case CS53L30_PWRCTL:
+ case CS53L30_MCLKCTL:
+ case CS53L30_INT_SR_CTL:
+ case CS53L30_MICBIAS_CTL:
+ case CS53L30_ASPCFG_CTL:
+ case CS53L30_ASP_CTL1:
+ case CS53L30_ASP_TDMTX_CTL1:
+ case CS53L30_ASP_TDMTX_CTL2:
+ case CS53L30_ASP_TDMTX_CTL3:
+ case CS53L30_ASP_TDMTX_CTL4:
+ case CS53L30_ASP_TDMTX_EN1:
+ case CS53L30_ASP_TDMTX_EN2:
+ case CS53L30_ASP_TDMTX_EN3:
+ case CS53L30_ASP_TDMTX_EN4:
+ case CS53L30_ASP_TDMTX_EN5:
+ case CS53L30_ASP_TDMTX_EN6:
+ case CS53L30_ASP_CTL2:
+ case CS53L30_SFT_RAMP:
+ case CS53L30_LRCK_CTL1:
+ case CS53L30_LRCK_CTL2:
+ case CS53L30_MUTEP_CTL1:
+ case CS53L30_MUTEP_CTL2:
+ case CS53L30_INBIAS_CTL1:
+ case CS53L30_INBIAS_CTL2:
+ case CS53L30_DMIC1_STR_CTL:
+ case CS53L30_DMIC2_STR_CTL:
+ case CS53L30_ADCDMIC1_CTL1:
+ case CS53L30_ADCDMIC1_CTL2:
+ case CS53L30_ADC1_CTL3:
+ case CS53L30_ADC1_NG_CTL:
+ case CS53L30_ADC1A_AFE_CTL:
+ case CS53L30_ADC1B_AFE_CTL:
+ case CS53L30_ADC1A_DIG_VOL:
+ case CS53L30_ADC1B_DIG_VOL:
+ case CS53L30_ADCDMIC2_CTL1:
+ case CS53L30_ADCDMIC2_CTL2:
+ case CS53L30_ADC2_CTL3:
+ case CS53L30_ADC2_NG_CTL:
+ case CS53L30_ADC2A_AFE_CTL:
+ case CS53L30_ADC2B_AFE_CTL:
+ case CS53L30_ADC2A_DIG_VOL:
+ case CS53L30_ADC2B_DIG_VOL:
+ case CS53L30_INT_MASK:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static DECLARE_TLV_DB_SCALE(adc_boost_tlv, 0, 2000, 0);
+static DECLARE_TLV_DB_SCALE(adc_ng_boost_tlv, 0, 3000, 0);
+static DECLARE_TLV_DB_SCALE(pga_tlv, -600, 50, 0);
+static DECLARE_TLV_DB_SCALE(dig_tlv, -9600, 100, 1);
+static DECLARE_TLV_DB_SCALE(pga_preamp_tlv, 0, 10000, 0);
+
+static const char * const input1_sel_text[] = {
+ "DMIC1 On AB In",
+ "DMIC1 On A In",
+ "DMIC1 On B In",
+ "ADC1 On AB In",
+ "ADC1 On A In",
+ "ADC1 On B In",
+ "DMIC1 Off ADC1 Off",
+};
+
+static unsigned int const input1_sel_values[] = {
+ CS53L30_CH_TYPE,
+ CS53L30_ADCxB_PDN | CS53L30_CH_TYPE,
+ CS53L30_ADCxA_PDN | CS53L30_CH_TYPE,
+ CS53L30_DMICx_PDN,
+ CS53L30_ADCxB_PDN | CS53L30_DMICx_PDN,
+ CS53L30_ADCxA_PDN | CS53L30_DMICx_PDN,
+ CS53L30_ADCxA_PDN | CS53L30_ADCxB_PDN | CS53L30_DMICx_PDN,
+};
+
+static const char * const input2_sel_text[] = {
+ "DMIC2 On AB In",
+ "DMIC2 On A In",
+ "DMIC2 On B In",
+ "ADC2 On AB In",
+ "ADC2 On A In",
+ "ADC2 On B In",
+ "DMIC2 Off ADC2 Off",
+};
+
+static unsigned int const input2_sel_values[] = {
+ 0x0,
+ CS53L30_ADCxB_PDN,
+ CS53L30_ADCxA_PDN,
+ CS53L30_DMICx_PDN,
+ CS53L30_ADCxB_PDN | CS53L30_DMICx_PDN,
+ CS53L30_ADCxA_PDN | CS53L30_DMICx_PDN,
+ CS53L30_ADCxA_PDN | CS53L30_ADCxB_PDN | CS53L30_DMICx_PDN,
+};
+
+static const char * const input1_route_sel_text[] = {
+ "ADC1_SEL", "DMIC1_SEL",
+};
+
+static const struct soc_enum input1_route_sel_enum =
+ SOC_ENUM_SINGLE(CS53L30_ADCDMIC1_CTL1, CS53L30_CH_TYPE_SHIFT,
+ ARRAY_SIZE(input1_route_sel_text),
+ input1_route_sel_text);
+
+static SOC_VALUE_ENUM_SINGLE_DECL(input1_sel_enum, CS53L30_ADCDMIC1_CTL1, 0,
+ CS53L30_ADCDMICx_PDN_MASK, input1_sel_text,
+ input1_sel_values);
+
+static const struct snd_kcontrol_new input1_route_sel_mux =
+ SOC_DAPM_ENUM("Input 1 Route", input1_route_sel_enum);
+
+static const char * const input2_route_sel_text[] = {
+ "ADC2_SEL", "DMIC2_SEL",
+};
+
+/* Note: CS53L30_ADCDMIC1_CTL1 CH_TYPE controls inputs 1 and 2 */
+static const struct soc_enum input2_route_sel_enum =
+ SOC_ENUM_SINGLE(CS53L30_ADCDMIC1_CTL1, 0,
+ ARRAY_SIZE(input2_route_sel_text),
+ input2_route_sel_text);
+
+static SOC_VALUE_ENUM_SINGLE_DECL(input2_sel_enum, CS53L30_ADCDMIC2_CTL1, 0,
+ CS53L30_ADCDMICx_PDN_MASK, input2_sel_text,
+ input2_sel_values);
+
+static const struct snd_kcontrol_new input2_route_sel_mux =
+ SOC_DAPM_ENUM("Input 2 Route", input2_route_sel_enum);
+
+/*
+ * TB = 6144*(MCLK(int) scaling factor)/MCLK(internal)
+ * TB - Time base
+ * NOTE: If MCLK_INT_SCALE = 0, then TB=1
+ */
+static const char * const cs53l30_ng_delay_text[] = {
+ "TB*50ms", "TB*100ms", "TB*150ms", "TB*200ms",
+};
+
+static const struct soc_enum adc1_ng_delay_enum =
+ SOC_ENUM_SINGLE(CS53L30_ADC1_NG_CTL, CS53L30_ADCx_NG_DELAY_SHIFT,
+ ARRAY_SIZE(cs53l30_ng_delay_text),
+ cs53l30_ng_delay_text);
+
+static const struct soc_enum adc2_ng_delay_enum =
+ SOC_ENUM_SINGLE(CS53L30_ADC2_NG_CTL, CS53L30_ADCx_NG_DELAY_SHIFT,
+ ARRAY_SIZE(cs53l30_ng_delay_text),
+ cs53l30_ng_delay_text);
+
+/* The noise gate threshold selected will depend on NG Boost */
+static const char * const cs53l30_ng_thres_text[] = {
+ "-64dB/-34dB", "-66dB/-36dB", "-70dB/-40dB", "-73dB/-43dB",
+ "-76dB/-46dB", "-82dB/-52dB", "-58dB", "-64dB",
+};
+
+static const struct soc_enum adc1_ng_thres_enum =
+ SOC_ENUM_SINGLE(CS53L30_ADC1_NG_CTL, CS53L30_ADCx_NG_THRESH_SHIFT,
+ ARRAY_SIZE(cs53l30_ng_thres_text),
+ cs53l30_ng_thres_text);
+
+static const struct soc_enum adc2_ng_thres_enum =
+ SOC_ENUM_SINGLE(CS53L30_ADC2_NG_CTL, CS53L30_ADCx_NG_THRESH_SHIFT,
+ ARRAY_SIZE(cs53l30_ng_thres_text),
+ cs53l30_ng_thres_text);
+
+/* Corner frequencies are with an Fs of 48kHz. */
+static const char * const hpf_corner_freq_text[] = {
+ "1.86Hz", "120Hz", "235Hz", "466Hz",
+};
+
+static const struct soc_enum adc1_hpf_enum =
+ SOC_ENUM_SINGLE(CS53L30_ADC1_CTL3, CS53L30_ADCx_HPF_CF_SHIFT,
+ ARRAY_SIZE(hpf_corner_freq_text), hpf_corner_freq_text);
+
+static const struct soc_enum adc2_hpf_enum =
+ SOC_ENUM_SINGLE(CS53L30_ADC2_CTL3, CS53L30_ADCx_HPF_CF_SHIFT,
+ ARRAY_SIZE(hpf_corner_freq_text), hpf_corner_freq_text);
+
+static const struct snd_kcontrol_new cs53l30_snd_controls[] = {
+ SOC_SINGLE("Digital Soft-Ramp Switch", CS53L30_SFT_RAMP,
+ CS53L30_DIGSFT_SHIFT, 1, 0),
+ SOC_SINGLE("ADC1 Noise Gate Ganging Switch", CS53L30_ADC1_CTL3,
+ CS53L30_ADCx_NG_ALL_SHIFT, 1, 0),
+ SOC_SINGLE("ADC2 Noise Gate Ganging Switch", CS53L30_ADC2_CTL3,
+ CS53L30_ADCx_NG_ALL_SHIFT, 1, 0),
+ SOC_SINGLE("ADC1A Noise Gate Enable Switch", CS53L30_ADC1_NG_CTL,
+ CS53L30_ADCxA_NG_SHIFT, 1, 0),
+ SOC_SINGLE("ADC1B Noise Gate Enable Switch", CS53L30_ADC1_NG_CTL,
+ CS53L30_ADCxB_NG_SHIFT, 1, 0),
+ SOC_SINGLE("ADC2A Noise Gate Enable Switch", CS53L30_ADC2_NG_CTL,
+ CS53L30_ADCxA_NG_SHIFT, 1, 0),
+ SOC_SINGLE("ADC2B Noise Gate Enable Switch", CS53L30_ADC2_NG_CTL,
+ CS53L30_ADCxB_NG_SHIFT, 1, 0),
+ SOC_SINGLE("ADC1 Notch Filter Switch", CS53L30_ADCDMIC1_CTL2,
+ CS53L30_ADCx_NOTCH_DIS_SHIFT, 1, 1),
+ SOC_SINGLE("ADC2 Notch Filter Switch", CS53L30_ADCDMIC2_CTL2,
+ CS53L30_ADCx_NOTCH_DIS_SHIFT, 1, 1),
+ SOC_SINGLE("ADC1A Invert Switch", CS53L30_ADCDMIC1_CTL2,
+ CS53L30_ADCxA_INV_SHIFT, 1, 0),
+ SOC_SINGLE("ADC1B Invert Switch", CS53L30_ADCDMIC1_CTL2,
+ CS53L30_ADCxB_INV_SHIFT, 1, 0),
+ SOC_SINGLE("ADC2A Invert Switch", CS53L30_ADCDMIC2_CTL2,
+ CS53L30_ADCxA_INV_SHIFT, 1, 0),
+ SOC_SINGLE("ADC2B Invert Switch", CS53L30_ADCDMIC2_CTL2,
+ CS53L30_ADCxB_INV_SHIFT, 1, 0),
+
+ SOC_SINGLE_TLV("ADC1A Digital Boost Volume", CS53L30_ADCDMIC1_CTL2,
+ CS53L30_ADCxA_DIG_BOOST_SHIFT, 1, 0, adc_boost_tlv),
+ SOC_SINGLE_TLV("ADC1B Digital Boost Volume", CS53L30_ADCDMIC1_CTL2,
+ CS53L30_ADCxB_DIG_BOOST_SHIFT, 1, 0, adc_boost_tlv),
+ SOC_SINGLE_TLV("ADC2A Digital Boost Volume", CS53L30_ADCDMIC2_CTL2,
+ CS53L30_ADCxA_DIG_BOOST_SHIFT, 1, 0, adc_boost_tlv),
+ SOC_SINGLE_TLV("ADC2B Digital Boost Volume", CS53L30_ADCDMIC2_CTL2,
+ CS53L30_ADCxB_DIG_BOOST_SHIFT, 1, 0, adc_boost_tlv),
+ SOC_SINGLE_TLV("ADC1 NG Boost Volume", CS53L30_ADC1_NG_CTL,
+ CS53L30_ADCx_NG_BOOST_SHIFT, 1, 0, adc_ng_boost_tlv),
+ SOC_SINGLE_TLV("ADC2 NG Boost Volume", CS53L30_ADC2_NG_CTL,
+ CS53L30_ADCx_NG_BOOST_SHIFT, 1, 0, adc_ng_boost_tlv),
+
+ SOC_DOUBLE_R_TLV("ADC1 Preamplifier Volume", CS53L30_ADC1A_AFE_CTL,
+ CS53L30_ADC1B_AFE_CTL, CS53L30_ADCxy_PREAMP_SHIFT,
+ 2, 0, pga_preamp_tlv),
+ SOC_DOUBLE_R_TLV("ADC2 Preamplifier Volume", CS53L30_ADC2A_AFE_CTL,
+ CS53L30_ADC2B_AFE_CTL, CS53L30_ADCxy_PREAMP_SHIFT,
+ 2, 0, pga_preamp_tlv),
+
+ SOC_ENUM("Input 1 Channel Select", input1_sel_enum),
+ SOC_ENUM("Input 2 Channel Select", input2_sel_enum),
+
+ SOC_ENUM("ADC1 HPF Select", adc1_hpf_enum),
+ SOC_ENUM("ADC2 HPF Select", adc2_hpf_enum),
+ SOC_ENUM("ADC1 NG Threshold", adc1_ng_thres_enum),
+ SOC_ENUM("ADC2 NG Threshold", adc2_ng_thres_enum),
+ SOC_ENUM("ADC1 NG Delay", adc1_ng_delay_enum),
+ SOC_ENUM("ADC2 NG Delay", adc2_ng_delay_enum),
+
+ SOC_SINGLE_SX_TLV("ADC1A PGA Volume",
+ CS53L30_ADC1A_AFE_CTL, 0, 0x34, 0x18, pga_tlv),
+ SOC_SINGLE_SX_TLV("ADC1B PGA Volume",
+ CS53L30_ADC1B_AFE_CTL, 0, 0x34, 0x18, pga_tlv),
+ SOC_SINGLE_SX_TLV("ADC2A PGA Volume",
+ CS53L30_ADC2A_AFE_CTL, 0, 0x34, 0x18, pga_tlv),
+ SOC_SINGLE_SX_TLV("ADC2B PGA Volume",
+ CS53L30_ADC2B_AFE_CTL, 0, 0x34, 0x18, pga_tlv),
+
+ SOC_SINGLE_SX_TLV("ADC1A Digital Volume",
+ CS53L30_ADC1A_DIG_VOL, 0, 0xA0, 0x0C, dig_tlv),
+ SOC_SINGLE_SX_TLV("ADC1B Digital Volume",
+ CS53L30_ADC1B_DIG_VOL, 0, 0xA0, 0x0C, dig_tlv),
+ SOC_SINGLE_SX_TLV("ADC2A Digital Volume",
+ CS53L30_ADC2A_DIG_VOL, 0, 0xA0, 0x0C, dig_tlv),
+ SOC_SINGLE_SX_TLV("ADC2B Digital Volume",
+ CS53L30_ADC2B_DIG_VOL, 0, 0xA0, 0x0C, dig_tlv),
+};
+
+static const struct snd_soc_dapm_widget cs53l30_dapm_widgets[] = {
+ SND_SOC_DAPM_INPUT("IN1_DMIC1"),
+ SND_SOC_DAPM_INPUT("IN2"),
+ SND_SOC_DAPM_INPUT("IN3_DMIC2"),
+ SND_SOC_DAPM_INPUT("IN4"),
+ SND_SOC_DAPM_SUPPLY("MIC1 Bias", CS53L30_MICBIAS_CTL,
+ CS53L30_MIC1_BIAS_PDN_SHIFT, 1, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("MIC2 Bias", CS53L30_MICBIAS_CTL,
+ CS53L30_MIC2_BIAS_PDN_SHIFT, 1, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("MIC3 Bias", CS53L30_MICBIAS_CTL,
+ CS53L30_MIC3_BIAS_PDN_SHIFT, 1, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("MIC4 Bias", CS53L30_MICBIAS_CTL,
+ CS53L30_MIC4_BIAS_PDN_SHIFT, 1, NULL, 0),
+
+ SND_SOC_DAPM_AIF_OUT("ASP_SDOUT1", NULL, 0, CS53L30_ASP_CTL1,
+ CS53L30_ASP_SDOUTx_PDN_SHIFT, 1),
+ SND_SOC_DAPM_AIF_OUT("ASP_SDOUT2", NULL, 0, CS53L30_ASP_CTL2,
+ CS53L30_ASP_SDOUTx_PDN_SHIFT, 1),
+
+ SND_SOC_DAPM_MUX("Input Mux 1", SND_SOC_NOPM, 0, 0,
+ &input1_route_sel_mux),
+ SND_SOC_DAPM_MUX("Input Mux 2", SND_SOC_NOPM, 0, 0,
+ &input2_route_sel_mux),
+
+ SND_SOC_DAPM_ADC("ADC1A", NULL, CS53L30_ADCDMIC1_CTL1,
+ CS53L30_ADCxA_PDN_SHIFT, 1),
+ SND_SOC_DAPM_ADC("ADC1B", NULL, CS53L30_ADCDMIC1_CTL1,
+ CS53L30_ADCxB_PDN_SHIFT, 1),
+ SND_SOC_DAPM_ADC("ADC2A", NULL, CS53L30_ADCDMIC2_CTL1,
+ CS53L30_ADCxA_PDN_SHIFT, 1),
+ SND_SOC_DAPM_ADC("ADC2B", NULL, CS53L30_ADCDMIC2_CTL1,
+ CS53L30_ADCxB_PDN_SHIFT, 1),
+ SND_SOC_DAPM_ADC("DMIC1", NULL, CS53L30_ADCDMIC1_CTL1,
+ CS53L30_DMICx_PDN_SHIFT, 1),
+ SND_SOC_DAPM_ADC("DMIC2", NULL, CS53L30_ADCDMIC2_CTL1,
+ CS53L30_DMICx_PDN_SHIFT, 1),
+};
+
+static const struct snd_soc_dapm_route cs53l30_dapm_routes[] = {
+ /* ADC Input Paths */
+ {"ADC1A", NULL, "IN1_DMIC1"},
+ {"Input Mux 1", "ADC1_SEL", "ADC1A"},
+ {"ADC1B", NULL, "IN2"},
+
+ {"ADC2A", NULL, "IN3_DMIC2"},
+ {"Input Mux 2", "ADC2_SEL", "ADC2A"},
+ {"ADC2B", NULL, "IN4"},
+
+ /* MIC Bias Paths */
+ {"ADC1A", NULL, "MIC1 Bias"},
+ {"ADC1B", NULL, "MIC2 Bias"},
+ {"ADC2A", NULL, "MIC3 Bias"},
+ {"ADC2B", NULL, "MIC4 Bias"},
+
+ /* DMIC Paths */
+ {"DMIC1", NULL, "IN1_DMIC1"},
+ {"Input Mux 1", "DMIC1_SEL", "DMIC1"},
+
+ {"DMIC2", NULL, "IN3_DMIC2"},
+ {"Input Mux 2", "DMIC2_SEL", "DMIC2"},
+};
+
+static const struct snd_soc_dapm_route cs53l30_dapm_routes_sdout1[] = {
+ /* Output Paths when using SDOUT1 only */
+ {"ASP_SDOUT1", NULL, "ADC1A" },
+ {"ASP_SDOUT1", NULL, "Input Mux 1"},
+ {"ASP_SDOUT1", NULL, "ADC1B"},
+
+ {"ASP_SDOUT1", NULL, "ADC2A"},
+ {"ASP_SDOUT1", NULL, "Input Mux 2"},
+ {"ASP_SDOUT1", NULL, "ADC2B"},
+
+ {"Capture", NULL, "ASP_SDOUT1"},
+};
+
+static const struct snd_soc_dapm_route cs53l30_dapm_routes_sdout2[] = {
+ /* Output Paths when using both SDOUT1 and SDOUT2 */
+ {"ASP_SDOUT1", NULL, "ADC1A" },
+ {"ASP_SDOUT1", NULL, "Input Mux 1"},
+ {"ASP_SDOUT1", NULL, "ADC1B"},
+
+ {"ASP_SDOUT2", NULL, "ADC2A"},
+ {"ASP_SDOUT2", NULL, "Input Mux 2"},
+ {"ASP_SDOUT2", NULL, "ADC2B"},
+
+ {"Capture", NULL, "ASP_SDOUT1"},
+ {"Capture", NULL, "ASP_SDOUT2"},
+};
+
+struct cs53l30_mclk_div {
+ u32 mclk_rate;
+ u32 srate;
+ u8 asp_rate;
+ u8 internal_fs_ratio;
+ u8 mclk_int_scale;
+};
+
+static const struct cs53l30_mclk_div cs53l30_mclk_coeffs[] = {
+ /* NOTE: Enable MCLK_INT_SCALE to save power. */
+
+ /* MCLK, Sample Rate, asp_rate, internal_fs_ratio, mclk_int_scale */
+ {5644800, 11025, 0x4, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+ {5644800, 22050, 0x8, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+ {5644800, 44100, 0xC, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+
+ {6000000, 8000, 0x1, 0, CS53L30_MCLK_INT_SCALE},
+ {6000000, 11025, 0x2, 0, CS53L30_MCLK_INT_SCALE},
+ {6000000, 12000, 0x4, 0, CS53L30_MCLK_INT_SCALE},
+ {6000000, 16000, 0x5, 0, CS53L30_MCLK_INT_SCALE},
+ {6000000, 22050, 0x6, 0, CS53L30_MCLK_INT_SCALE},
+ {6000000, 24000, 0x8, 0, CS53L30_MCLK_INT_SCALE},
+ {6000000, 32000, 0x9, 0, CS53L30_MCLK_INT_SCALE},
+ {6000000, 44100, 0xA, 0, CS53L30_MCLK_INT_SCALE},
+ {6000000, 48000, 0xC, 0, CS53L30_MCLK_INT_SCALE},
+
+ {6144000, 8000, 0x1, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+ {6144000, 11025, 0x2, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+ {6144000, 12000, 0x4, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+ {6144000, 16000, 0x5, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+ {6144000, 22050, 0x6, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+ {6144000, 24000, 0x8, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+ {6144000, 32000, 0x9, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+ {6144000, 44100, 0xA, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+ {6144000, 48000, 0xC, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+
+ {6400000, 8000, 0x1, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+ {6400000, 11025, 0x2, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+ {6400000, 12000, 0x4, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+ {6400000, 16000, 0x5, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+ {6400000, 22050, 0x6, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+ {6400000, 24000, 0x8, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+ {6400000, 32000, 0x9, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+ {6400000, 44100, 0xA, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+ {6400000, 48000, 0xC, CS53L30_INTRNL_FS_RATIO, CS53L30_MCLK_INT_SCALE},
+};
+
+struct cs53l30_mclkx_div {
+ u32 mclkx;
+ u8 ratio;
+ u8 mclkdiv;
+};
+
+static const struct cs53l30_mclkx_div cs53l30_mclkx_coeffs[] = {
+ {5644800, 1, CS53L30_MCLK_DIV_BY_1},
+ {6000000, 1, CS53L30_MCLK_DIV_BY_1},
+ {6144000, 1, CS53L30_MCLK_DIV_BY_1},
+ {11289600, 2, CS53L30_MCLK_DIV_BY_2},
+ {12288000, 2, CS53L30_MCLK_DIV_BY_2},
+ {12000000, 2, CS53L30_MCLK_DIV_BY_2},
+ {19200000, 3, CS53L30_MCLK_DIV_BY_3},
+};
+
+static int cs53l30_get_mclkx_coeff(int mclkx)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(cs53l30_mclkx_coeffs); i++) {
+ if (cs53l30_mclkx_coeffs[i].mclkx == mclkx)
+ return i;
+ }
+
+ return -EINVAL;
+}
+
+static int cs53l30_get_mclk_coeff(int mclk_rate, int srate)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(cs53l30_mclk_coeffs); i++) {
+ if (cs53l30_mclk_coeffs[i].mclk_rate == mclk_rate &&
+ cs53l30_mclk_coeffs[i].srate == srate)
+ return i;
+ }
+
+ return -EINVAL;
+}
+
+static int cs53l30_set_sysclk(struct snd_soc_dai *dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct cs53l30_private *priv = snd_soc_component_get_drvdata(dai->component);
+ int mclkx_coeff;
+ u32 mclk_rate;
+
+ /* MCLKX -> MCLK */
+ mclkx_coeff = cs53l30_get_mclkx_coeff(freq);
+ if (mclkx_coeff < 0)
+ return mclkx_coeff;
+
+ mclk_rate = cs53l30_mclkx_coeffs[mclkx_coeff].mclkx /
+ cs53l30_mclkx_coeffs[mclkx_coeff].ratio;
+
+ regmap_update_bits(priv->regmap, CS53L30_MCLKCTL,
+ CS53L30_MCLK_DIV_MASK,
+ cs53l30_mclkx_coeffs[mclkx_coeff].mclkdiv);
+
+ priv->mclk_rate = mclk_rate;
+
+ return 0;
+}
+
+static int cs53l30_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ struct cs53l30_private *priv = snd_soc_component_get_drvdata(dai->component);
+ u8 aspcfg = 0, aspctl1 = 0;
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ aspcfg |= CS53L30_ASP_MS;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* DAI mode */
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ /* Set TDM_PDN to turn off TDM mode -- Reset default */
+ aspctl1 |= CS53L30_ASP_TDM_PDN;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ /*
+ * Clear TDM_PDN to turn on TDM mode; Use ASP_SCLK_INV = 0
+ * with SHIFT_LEFT = 1 combination as Figure 4-13 shows in
+ * the CS53L30 datasheet
+ */
+ aspctl1 |= CS53L30_SHIFT_LEFT;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* Check to see if the SCLK is inverted */
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_IB_NF:
+ case SND_SOC_DAIFMT_IB_IF:
+ aspcfg ^= CS53L30_ASP_SCLK_INV;
+ break;
+ default:
+ break;
+ }
+
+ regmap_update_bits(priv->regmap, CS53L30_ASPCFG_CTL,
+ CS53L30_ASP_MS | CS53L30_ASP_SCLK_INV, aspcfg);
+
+ regmap_update_bits(priv->regmap, CS53L30_ASP_CTL1,
+ CS53L30_ASP_TDM_PDN | CS53L30_SHIFT_LEFT, aspctl1);
+
+ return 0;
+}
+
+static int cs53l30_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct cs53l30_private *priv = snd_soc_component_get_drvdata(dai->component);
+ int srate = params_rate(params);
+ int mclk_coeff;
+
+ /* MCLK -> srate */
+ mclk_coeff = cs53l30_get_mclk_coeff(priv->mclk_rate, srate);
+ if (mclk_coeff < 0)
+ return -EINVAL;
+
+ regmap_update_bits(priv->regmap, CS53L30_INT_SR_CTL,
+ CS53L30_INTRNL_FS_RATIO_MASK,
+ cs53l30_mclk_coeffs[mclk_coeff].internal_fs_ratio);
+
+ regmap_update_bits(priv->regmap, CS53L30_MCLKCTL,
+ CS53L30_MCLK_INT_SCALE_MASK,
+ cs53l30_mclk_coeffs[mclk_coeff].mclk_int_scale);
+
+ regmap_update_bits(priv->regmap, CS53L30_ASPCFG_CTL,
+ CS53L30_ASP_RATE_MASK,
+ cs53l30_mclk_coeffs[mclk_coeff].asp_rate);
+
+ return 0;
+}
+
+static int cs53l30_set_bias_level(struct snd_soc_component *component,
+ enum snd_soc_bias_level level)
+{
+ struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
+ struct cs53l30_private *priv = snd_soc_component_get_drvdata(component);
+ unsigned int reg;
+ int i, inter_max_check, ret;
+
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ break;
+ case SND_SOC_BIAS_PREPARE:
+ if (dapm->bias_level == SND_SOC_BIAS_STANDBY)
+ regmap_update_bits(priv->regmap, CS53L30_PWRCTL,
+ CS53L30_PDN_LP_MASK, 0);
+ break;
+ case SND_SOC_BIAS_STANDBY:
+ if (dapm->bias_level == SND_SOC_BIAS_OFF) {
+ ret = clk_prepare_enable(priv->mclk);
+ if (ret) {
+ dev_err(component->dev,
+ "failed to enable MCLK: %d\n", ret);
+ return ret;
+ }
+ regmap_update_bits(priv->regmap, CS53L30_MCLKCTL,
+ CS53L30_MCLK_DIS_MASK, 0);
+ regmap_update_bits(priv->regmap, CS53L30_PWRCTL,
+ CS53L30_PDN_ULP_MASK, 0);
+ msleep(50);
+ } else {
+ regmap_update_bits(priv->regmap, CS53L30_PWRCTL,
+ CS53L30_PDN_ULP_MASK,
+ CS53L30_PDN_ULP);
+ }
+ break;
+ case SND_SOC_BIAS_OFF:
+ regmap_update_bits(priv->regmap, CS53L30_INT_MASK,
+ CS53L30_PDN_DONE, 0);
+ /*
+ * If digital softramp is set, the amount of time required
+ * for power down increases and depends on the digital
+ * volume setting.
+ */
+
+ /* Set the max possible time if digsft is set */
+ regmap_read(priv->regmap, CS53L30_SFT_RAMP, ®);
+ if (reg & CS53L30_DIGSFT_MASK)
+ inter_max_check = CS53L30_PDN_POLL_MAX;
+ else
+ inter_max_check = 10;
+
+ regmap_update_bits(priv->regmap, CS53L30_PWRCTL,
+ CS53L30_PDN_ULP_MASK,
+ CS53L30_PDN_ULP);
+ /* PDN_DONE will take a min of 20ms to be set.*/
+ msleep(20);
+ /* Clr status */
+ regmap_read(priv->regmap, CS53L30_IS, ®);
+ for (i = 0; i < inter_max_check; i++) {
+ if (inter_max_check < 10) {
+ usleep_range(1000, 1100);
+ regmap_read(priv->regmap, CS53L30_IS, ®);
+ if (reg & CS53L30_PDN_DONE)
+ break;
+ } else {
+ usleep_range(10000, 10100);
+ regmap_read(priv->regmap, CS53L30_IS, ®);
+ if (reg & CS53L30_PDN_DONE)
+ break;
+ }
+ }
+ /* PDN_DONE is set. We now can disable the MCLK */
+ regmap_update_bits(priv->regmap, CS53L30_INT_MASK,
+ CS53L30_PDN_DONE, CS53L30_PDN_DONE);
+ regmap_update_bits(priv->regmap, CS53L30_MCLKCTL,
+ CS53L30_MCLK_DIS_MASK,
+ CS53L30_MCLK_DIS);
+ clk_disable_unprepare(priv->mclk);
+ break;
+ }
+
+ return 0;
+}
+
+static int cs53l30_set_tristate(struct snd_soc_dai *dai, int tristate)
+{
+ struct cs53l30_private *priv = snd_soc_component_get_drvdata(dai->component);
+ u8 val = tristate ? CS53L30_ASP_3ST : 0;
+
+ return regmap_update_bits(priv->regmap, CS53L30_ASP_CTL1,
+ CS53L30_ASP_3ST_MASK, val);
+}
+
+static unsigned int const cs53l30_src_rates[] = {
+ 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000
+};
+
+static const struct snd_pcm_hw_constraint_list src_constraints = {
+ .count = ARRAY_SIZE(cs53l30_src_rates),
+ .list = cs53l30_src_rates,
+};
+
+static int cs53l30_pcm_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE, &src_constraints);
+
+ return 0;
+}
+
+/*
+ * Note: CS53L30 counts the slot number per byte while ASoC counts the slot
+ * number per slot_width. So there is a difference between the slots of ASoC
+ * and the slots of CS53L30.
+ */
+static int cs53l30_set_dai_tdm_slot(struct snd_soc_dai *dai,
+ unsigned int tx_mask, unsigned int rx_mask,
+ int slots, int slot_width)
+{
+ struct cs53l30_private *priv = snd_soc_component_get_drvdata(dai->component);
+ unsigned int loc[CS53L30_TDM_SLOT_MAX] = {48, 48, 48, 48};
+ unsigned int slot_next, slot_step;
+ u64 tx_enable = 0;
+ int i;
+
+ if (!rx_mask) {
+ dev_err(dai->dev, "rx masks must not be 0\n");
+ return -EINVAL;
+ }
+
+ /* Assuming slot_width is not supposed to be greater than 64 */
+ if (slots <= 0 || slot_width <= 0 || slot_width > 64) {
+ dev_err(dai->dev, "invalid slot number or slot width\n");
+ return -EINVAL;
+ }
+
+ if (slot_width & 0x7) {
+ dev_err(dai->dev, "slot width must count in byte\n");
+ return -EINVAL;
+ }
+
+ /* How many bytes in each ASoC slot */
+ slot_step = slot_width >> 3;
+
+ for (i = 0; rx_mask && i < CS53L30_TDM_SLOT_MAX; i++) {
+ /* Find the first slot from LSB */
+ slot_next = __ffs(rx_mask);
+ /* Save the slot location by converting to CS53L30 slot */
+ loc[i] = slot_next * slot_step;
+ /* Create the mask of CS53L30 slot */
+ tx_enable |= (u64)((u64)(1 << slot_step) - 1) << (u64)loc[i];
+ /* Clear this slot from rx_mask */
+ rx_mask &= ~(1 << slot_next);
+ }
+
+ /* Error out to avoid slot shift */
+ if (rx_mask && i == CS53L30_TDM_SLOT_MAX) {
+ dev_err(dai->dev, "rx_mask exceeds max slot number: %d\n",
+ CS53L30_TDM_SLOT_MAX);
+ return -EINVAL;
+ }
+
+ /* Validate the last active CS53L30 slot */
+ slot_next = loc[i - 1] + slot_step - 1;
+ if (slot_next > 47) {
+ dev_err(dai->dev, "slot selection out of bounds: %u\n",
+ slot_next);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < CS53L30_TDM_SLOT_MAX && loc[i] != 48; i++) {
+ regmap_update_bits(priv->regmap, CS53L30_ASP_TDMTX_CTL(i),
+ CS53L30_ASP_CHx_TX_LOC_MASK, loc[i]);
+ dev_dbg(dai->dev, "loc[%d]=%x\n", i, loc[i]);
+ }
+
+ for (i = 0; i < CS53L30_ASP_TDMTX_ENx_MAX && tx_enable; i++) {
+ regmap_write(priv->regmap, CS53L30_ASP_TDMTX_ENx(i),
+ tx_enable & 0xff);
+ tx_enable >>= 8;
+ dev_dbg(dai->dev, "en_reg=%x, tx_enable=%llx\n",
+ CS53L30_ASP_TDMTX_ENx(i), tx_enable & 0xff);
+ }
+
+ return 0;
+}
+
+static int cs53l30_mute_stream(struct snd_soc_dai *dai, int mute, int stream)
+{
+ struct cs53l30_private *priv = snd_soc_component_get_drvdata(dai->component);
+
+ gpiod_set_value_cansleep(priv->mute_gpio, mute);
+
+ return 0;
+}
+
+/* SNDRV_PCM_RATE_KNOT -> 12000, 24000 Hz, limit with constraint list */
+#define CS53L30_RATES (SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_KNOT)
+
+#define CS53L30_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+ SNDRV_PCM_FMTBIT_S24_LE)
+
+static const struct snd_soc_dai_ops cs53l30_ops = {
+ .startup = cs53l30_pcm_startup,
+ .hw_params = cs53l30_pcm_hw_params,
+ .set_fmt = cs53l30_set_dai_fmt,
+ .set_sysclk = cs53l30_set_sysclk,
+ .set_tristate = cs53l30_set_tristate,
+ .set_tdm_slot = cs53l30_set_dai_tdm_slot,
+ .mute_stream = cs53l30_mute_stream,
+};
+
+static struct snd_soc_dai_driver cs53l30_dai = {
+ .name = "cs53l30",
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 1,
+ .channels_max = 4,
+ .rates = CS53L30_RATES,
+ .formats = CS53L30_FORMATS,
+ },
+ .ops = &cs53l30_ops,
+ .symmetric_rates = 1,
+};
+
+static int cs53l30_component_probe(struct snd_soc_component *component)
+{
+ struct cs53l30_private *priv = snd_soc_component_get_drvdata(component);
+ struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
+
+ if (priv->use_sdout2)
+ snd_soc_dapm_add_routes(dapm, cs53l30_dapm_routes_sdout2,
+ ARRAY_SIZE(cs53l30_dapm_routes_sdout2));
+ else
+ snd_soc_dapm_add_routes(dapm, cs53l30_dapm_routes_sdout1,
+ ARRAY_SIZE(cs53l30_dapm_routes_sdout1));
+
+ return 0;
+}
+
+static const struct snd_soc_component_driver cs53l30_driver = {
+ .probe = cs53l30_component_probe,
+ .set_bias_level = cs53l30_set_bias_level,
+ .controls = cs53l30_snd_controls,
+ .num_controls = ARRAY_SIZE(cs53l30_snd_controls),
+ .dapm_widgets = cs53l30_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(cs53l30_dapm_widgets),
+ .dapm_routes = cs53l30_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(cs53l30_dapm_routes),
+ .use_pmdown_time = 1,
+ .endianness = 1,
+ .non_legacy_dai_naming = 1,
+};
+
+static struct regmap_config cs53l30_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = CS53L30_MAX_REGISTER,
+ .reg_defaults = cs53l30_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(cs53l30_reg_defaults),
+ .volatile_reg = cs53l30_volatile_register,
+ .writeable_reg = cs53l30_writeable_register,
+ .readable_reg = cs53l30_readable_register,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static int cs53l30_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ const struct device_node *np = client->dev.of_node;
+ struct device *dev = &client->dev;
+ struct cs53l30_private *cs53l30;
+ unsigned int devid = 0;
+ unsigned int reg;
+ int ret = 0, i;
+ u8 val;
+
+ cs53l30 = devm_kzalloc(dev, sizeof(*cs53l30), GFP_KERNEL);
+ if (!cs53l30)
+ return -ENOMEM;
+
+ for (i = 0; i < ARRAY_SIZE(cs53l30->supplies); i++)
+ cs53l30->supplies[i].supply = cs53l30_supply_names[i];
+
+ ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(cs53l30->supplies),
+ cs53l30->supplies);
+ if (ret) {
+ dev_err(dev, "failed to get supplies: %d\n", ret);
+ return ret;
+ }
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(cs53l30->supplies),
+ cs53l30->supplies);
+ if (ret) {
+ dev_err(dev, "failed to enable supplies: %d\n", ret);
+ return ret;
+ }
+
+ /* Reset the Device */
+ cs53l30->reset_gpio = devm_gpiod_get_optional(dev, "reset",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(cs53l30->reset_gpio)) {
+ ret = PTR_ERR(cs53l30->reset_gpio);
+ goto error;
+ }
+
+ gpiod_set_value_cansleep(cs53l30->reset_gpio, 1);
+
+ i2c_set_clientdata(client, cs53l30);
+
+ cs53l30->mclk_rate = 0;
+
+ cs53l30->regmap = devm_regmap_init_i2c(client, &cs53l30_regmap);
+ if (IS_ERR(cs53l30->regmap)) {
+ ret = PTR_ERR(cs53l30->regmap);
+ dev_err(dev, "regmap_init() failed: %d\n", ret);
+ goto error;
+ }
+
+ /* Initialize codec */
+ ret = regmap_read(cs53l30->regmap, CS53L30_DEVID_AB, ®);
+ devid = reg << 12;
+
+ ret = regmap_read(cs53l30->regmap, CS53L30_DEVID_CD, ®);
+ devid |= reg << 4;
+
+ ret = regmap_read(cs53l30->regmap, CS53L30_DEVID_E, ®);
+ devid |= (reg & 0xF0) >> 4;
+
+ if (devid != CS53L30_DEVID) {
+ ret = -ENODEV;
+ dev_err(dev, "Device ID (%X). Expected %X\n",
+ devid, CS53L30_DEVID);
+ goto error;
+ }
+
+ ret = regmap_read(cs53l30->regmap, CS53L30_REVID, ®);
+ if (ret < 0) {
+ dev_err(dev, "failed to get Revision ID: %d\n", ret);
+ goto error;
+ }
+
+ /* Check if MCLK provided */
+ cs53l30->mclk = devm_clk_get(dev, "mclk");
+ if (IS_ERR(cs53l30->mclk)) {
+ if (PTR_ERR(cs53l30->mclk) != -ENOENT) {
+ ret = PTR_ERR(cs53l30->mclk);
+ goto error;
+ }
+ /* Otherwise mark the mclk pointer to NULL */
+ cs53l30->mclk = NULL;
+ }
+
+ /* Fetch the MUTE control */
+ cs53l30->mute_gpio = devm_gpiod_get_optional(dev, "mute",
+ GPIOD_OUT_HIGH);
+ if (IS_ERR(cs53l30->mute_gpio)) {
+ ret = PTR_ERR(cs53l30->mute_gpio);
+ goto error;
+ }
+
+ if (cs53l30->mute_gpio) {
+ /* Enable MUTE controls via MUTE pin */
+ regmap_write(cs53l30->regmap, CS53L30_MUTEP_CTL1,
+ CS53L30_MUTEP_CTL1_MUTEALL);
+ /* Flip the polarity of MUTE pin */
+ if (gpiod_is_active_low(cs53l30->mute_gpio))
+ regmap_update_bits(cs53l30->regmap, CS53L30_MUTEP_CTL2,
+ CS53L30_MUTE_PIN_POLARITY, 0);
+ }
+
+ if (!of_property_read_u8(np, "cirrus,micbias-lvl", &val))
+ regmap_update_bits(cs53l30->regmap, CS53L30_MICBIAS_CTL,
+ CS53L30_MIC_BIAS_CTRL_MASK, val);
+
+ if (of_property_read_bool(np, "cirrus,use-sdout2"))
+ cs53l30->use_sdout2 = true;
+
+ dev_info(dev, "Cirrus Logic CS53L30, Revision: %02X\n", reg & 0xFF);
+
+ ret = devm_snd_soc_register_component(dev, &cs53l30_driver, &cs53l30_dai, 1);
+ if (ret) {
+ dev_err(dev, "failed to register component: %d\n", ret);
+ goto error;
+ }
+
+ return 0;
+
+error:
+ regulator_bulk_disable(ARRAY_SIZE(cs53l30->supplies),
+ cs53l30->supplies);
+ return ret;
+}
+
+static int cs53l30_i2c_remove(struct i2c_client *client)
+{
+ struct cs53l30_private *cs53l30 = i2c_get_clientdata(client);
+
+ /* Hold down reset */
+ gpiod_set_value_cansleep(cs53l30->reset_gpio, 0);
+
+ regulator_bulk_disable(ARRAY_SIZE(cs53l30->supplies),
+ cs53l30->supplies);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int cs53l30_runtime_suspend(struct device *dev)
+{
+ struct cs53l30_private *cs53l30 = dev_get_drvdata(dev);
+
+ regcache_cache_only(cs53l30->regmap, true);
+
+ /* Hold down reset */
+ gpiod_set_value_cansleep(cs53l30->reset_gpio, 0);
+
+ regulator_bulk_disable(ARRAY_SIZE(cs53l30->supplies),
+ cs53l30->supplies);
+
+ return 0;
+}
+
+static int cs53l30_runtime_resume(struct device *dev)
+{
+ struct cs53l30_private *cs53l30 = dev_get_drvdata(dev);
+ int ret;
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(cs53l30->supplies),
+ cs53l30->supplies);
+ if (ret) {
+ dev_err(dev, "failed to enable supplies: %d\n", ret);
+ return ret;
+ }
+
+ gpiod_set_value_cansleep(cs53l30->reset_gpio, 1);
+
+ regcache_cache_only(cs53l30->regmap, false);
+ ret = regcache_sync(cs53l30->regmap);
+ if (ret) {
+ dev_err(dev, "failed to synchronize regcache: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+#endif
+
+static const struct dev_pm_ops cs53l30_runtime_pm = {
+ SET_RUNTIME_PM_OPS(cs53l30_runtime_suspend, cs53l30_runtime_resume,
+ NULL)
+};
+
+static const struct of_device_id cs53l30_of_match[] = {
+ { .compatible = "cirrus,cs53l30", },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, cs53l30_of_match);
+
+static const struct i2c_device_id cs53l30_id[] = {
+ { "cs53l30", 0 },
+ {}
+};
+
+MODULE_DEVICE_TABLE(i2c, cs53l30_id);
+
+static struct i2c_driver cs53l30_i2c_driver = {
+ .driver = {
+ .name = "cs53l30",
+ .of_match_table = cs53l30_of_match,
+ .pm = &cs53l30_runtime_pm,
+ },
+ .id_table = cs53l30_id,
+ .probe = cs53l30_i2c_probe,
+ .remove = cs53l30_i2c_remove,
+};
+
+module_i2c_driver(cs53l30_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC CS53L30 driver");
+MODULE_AUTHOR("Paul Handrigan, Cirrus Logic Inc, <Paul.Handrigan@cirrus.com>");
+MODULE_LICENSE("GPL");