[alsa-devel] [PATCH v2] ASoC: cs53l30: Add support for Cirrus Logic CS53L30
timothyc.howe at gmail.com
timothyc.howe at gmail.com
Wed Nov 25 19:58:02 CET 2015
From: Tim Howe <tim.howe at cirrus.com>
Signed-off-by: Tim Howe <tim.howe at cirrus.com>
---
.../devicetree/bindings/sound/cs53l30.txt | 21 +
sound/soc/codecs/Kconfig | 5 +
sound/soc/codecs/Makefile | 2 +
sound/soc/codecs/cs53l30.c | 930 +++++++++++++++++++++
sound/soc/codecs/cs53l30.h | 272 ++++++
5 files changed, 1230 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/cs53l30.txt
create mode 100644 sound/soc/codecs/cs53l30.c
create mode 100644 sound/soc/codecs/cs53l30.h
diff --git a/Documentation/devicetree/bindings/sound/cs53l30.txt b/Documentation/devicetree/bindings/sound/cs53l30.txt
new file mode 100644
index 0000000..a2dff95
+++ b/Documentation/devicetree/bindings/sound/cs53l30.txt
@@ -0,0 +1,21 @@
+CS53L30 audio CODEC
+
+Required properties:
+
+ - compatible : "cirrus,cs53l30"
+
+ - reg : the I2C address of the device
+
+Optional properties:
+
+ - reset-gpios : a GPIO spec for the reset pin.
+
+
+Example:
+
+codec: cs53l30 at 48 {
+ compatible = "cirrus,cs53l30";
+ reg = <0x48>;
+ reset-gpios = <&gpio 54 0>;
+};
+
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 5899744..a3c7911 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -56,6 +56,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_CS4271_SPI if SPI_MASTER
select SND_SOC_CS42XX8_I2C if I2C
select SND_SOC_CS4349 if I2C
+ select SND_SOC_CS53L30 if I2C
select SND_SOC_CX20442 if TTY
select SND_SOC_DA7210 if SND_SOC_I2C_AND_SPI
select SND_SOC_DA7213 if I2C
@@ -429,6 +430,10 @@ config SND_SOC_CS4349
tristate "Cirrus Logic CS4349 CODEC"
depends on I2C
+config SND_SOC_CS53L30
+ tristate "Cirrus Logic CS53L30 CODEC"
+ depends on I2C
+
config SND_SOC_CX20442
tristate
depends on TTY
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 9c921c7..60432ac 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -48,6 +48,7 @@ snd-soc-cs4271-spi-objs := cs4271-spi.o
snd-soc-cs42xx8-objs := cs42xx8.o
snd-soc-cs42xx8-i2c-objs := cs42xx8-i2c.o
snd-soc-cs4349-objs := cs4349.o
+snd-soc-cs53l30-objs := cs53l30.o
snd-soc-cx20442-objs := cx20442.o
snd-soc-da7210-objs := da7210.o
snd-soc-da7213-objs := da7213.o
@@ -244,6 +245,7 @@ obj-$(CONFIG_SND_SOC_CS4271_SPI) += snd-soc-cs4271-spi.o
obj-$(CONFIG_SND_SOC_CS42XX8) += snd-soc-cs42xx8.o
obj-$(CONFIG_SND_SOC_CS42XX8_I2C) += snd-soc-cs42xx8-i2c.o
obj-$(CONFIG_SND_SOC_CS4349) += snd-soc-cs4349.o
+obj-$(CONFIG_SND_SOC_CS53L30) += snd-soc-cs53l30.o
obj-$(CONFIG_SND_SOC_CX20442) += snd-soc-cx20442.o
obj-$(CONFIG_SND_SOC_DA7210) += snd-soc-da7210.o
obj-$(CONFIG_SND_SOC_DA7213) += snd-soc-da7213.o
diff --git a/sound/soc/codecs/cs53l30.c b/sound/soc/codecs/cs53l30.c
new file mode 100644
index 0000000..d91ce73
+++ b/sound/soc/codecs/cs53l30.c
@@ -0,0 +1,930 @@
+/*
+ * cs53l30.c -- CS53l30 ALSA Soc Audio driver
+ *
+ * Copyright 2015 Cirrus Logic, Inc.
+ *
+ * Authors: Paul Handrigan <Paul.Handrigan at cirrus.com>,
+ * Tim Howe <Tim.Howe at 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/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/of_gpio.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/of_device.h>
+#include <linux/regmap.h>
+#include <linux/slab.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 "cs53l30.h"
+
+struct cs53l30_private {
+ struct regmap *regmap;
+ struct gpio_desc *reset_gpio;
+ u8 asp_config_ctl;
+ u32 mclk;
+};
+
+static const struct reg_default cs53l30_reg_defaults[] = {
+ { CS53L30_PWRCTL, THMS_PDN },
+ { CS53L30_MCLKCTL, MCLK_DIV_DFLT },
+ { CS53L30_INT_SR_CTL, INTERNAL_FS_DFLT },
+ { CS53L30_MICBIAS_CTL, MIC_BIAS_DFLT },
+ { CS53L30_ASPCFG_CTL, ASP_RATE_48K },
+ { CS53L30_ASP1_CTL, ASP1_TDM_PDN },
+ { CS53L30_ASP1_TDMTX_CTL1, ASP1_CHX_TX_DFLT_SLT47 },
+ { CS53L30_ASP1_TDMTX_CTL2, ASP1_CHX_TX_DFLT_SLT47 },
+ { CS53L30_ASP1_TDMTX_CTL3, ASP1_CHX_TX_DFLT_SLT47 },
+ { CS53L30_ASP1_TDMTX_CTL4, ASP1_CHX_TX_DFLT_SLT47 },
+ { CS53L30_ASP1_TDMTX_EN1, ASP_TX_DISABLED },
+ { CS53L30_ASP1_TDMTX_EN2, ASP_TX_DISABLED },
+ { CS53L30_ASP1_TDMTX_EN3, ASP_TX_DISABLED },
+ { CS53L30_ASP1_TDMTX_EN4, ASP_TX_DISABLED },
+ { CS53L30_ASP1_TDMTX_EN5, ASP_TX_DISABLED },
+ { CS53L30_ASP1_TDMTX_EN6, ASP_TX_DISABLED },
+ { CS53L30_ASP2_CTL, ASP2_CTRL_DFLT },
+ { CS53L30_SFT_RAMP, SFT_RMP_DFLT },
+ { CS53L30_LRCLK_CTL1, LRCK_CTLX_DFLT },
+ { CS53L30_LRCLK_CTL2, LRCK_CTLX_DFLT },
+ { CS53L30_MUTEP_CTL1, MUTEP_CTRL1_DFLT },
+ { CS53L30_MUTEP_CTL2, MUTE_PDN_ULP },
+ { CS53L30_INBIAS_CTL1, INBIAS_CTLX_DFLT },
+ { CS53L30_INBIAS_CTL2, INBIAS_CTLX_DFLT },
+ { CS53L30_DMIC1_STR_CTL, DMIC1_STEREO_DFLT },
+ { CS53L30_DMIC2_STR_CTL, DMIC2_STEREO_DFLT },
+ { CS53L30_ADCDMIC1_CTL1, ADC1_ON_CH_AB_IN },
+ { CS53L30_ADCDMIC1_CTL2, ADC1_DMIC1_CTL2_DFLT },
+ { CS53L30_ADC1_CTL3, ADC1_HPF_EN },
+ { CS53L30_ADC1_NG_CTL, ADCX_ZERO_DFLT },
+ { CS53L30_ADC1A_AFE_CTL, ADCX_ZERO_DFLT },
+ { CS53L30_ADC1B_AFE_CTL, ADCX_ZERO_DFLT },
+ { CS53L30_ADC1A_DIG_VOL, ADCX_ZERO_DFLT },
+ { CS53L30_ADC1B_DIG_VOL, ADCX_ZERO_DFLT },
+ { CS53L30_ADCDMIC2_CTL1, ADC2_ON_CH_AB_IN },
+ { CS53L30_ADCDMIC2_CTL2, ADCX_ZERO_DFLT },
+ { CS53L30_ADC2_CTL3, ADC2_HPF_EN },
+ { CS53L30_ADC2_NG_CTL, ADCX_ZERO_DFLT },
+ { CS53L30_ADC2A_AFE_CTL, ADCX_ZERO_DFLT },
+ { CS53L30_ADC2B_AFE_CTL, ADCX_ZERO_DFLT },
+ { CS53L30_ADC2A_DIG_VOL, ADCX_ZERO_DFLT },
+ { CS53L30_ADC2B_DIG_VOL, ADCX_ZERO_DFLT },
+ { CS53L30_INT_MASK, 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_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_ASP1_CTL:
+ case CS53L30_ASP1_TDMTX_CTL1:
+ case CS53L30_ASP1_TDMTX_CTL2:
+ case CS53L30_ASP1_TDMTX_CTL3:
+ case CS53L30_ASP1_TDMTX_CTL4:
+ case CS53L30_ASP1_TDMTX_EN1:
+ case CS53L30_ASP1_TDMTX_EN2:
+ case CS53L30_ASP1_TDMTX_EN3:
+ case CS53L30_ASP1_TDMTX_EN4:
+ case CS53L30_ASP1_TDMTX_EN5:
+ case CS53L30_ASP1_TDMTX_EN6:
+ case CS53L30_ASP2_CTL:
+ case CS53L30_SFT_RAMP:
+ case CS53L30_LRCLK_CTL1:
+ case CS53L30_LRCLK_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 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 int input1_sel_values[] = { DMIC1_ON_CH_AB_IN, DMIC1_ON_CH_A_IN,
+ DMIC1_ON_CH_B_IN, ADC1_ON_CH_AB_IN, ADC1_ON_CH_A_IN, ADC1_ON_CH_B_IN,
+ DMIC1_OFF_ADC1_OFF, };
+
+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 int input2_sel_values[] = { DMIC2_ON_CH_AB_IN, DMIC2_ON_CH_A_IN,
+ DMIC2_ON_CH_B_IN, ADC2_ON_CH_AB_IN, ADC2_ON_CH_A_IN, ADC2_ON_CH_B_IN,
+ DMIC2_OFF_ADC2_OFF, };
+
+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, 0,
+ ARRAY_SIZE(input1_route_sel_text), input1_route_sel_text);
+
+static SOC_VALUE_ENUM_SINGLE_DECL(input1_sel_enum, CS53L30_ADCDMIC1_CTL1, 0,
+ ADC1_DMIC1_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,
+ ADC1_DMIC1_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, 0,
+ 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, 0,
+ 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, 2,
+ 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, 2,
+ ARRAY_SIZE(cs53l30_ng_thres_text), cs53l30_ng_thres_text);
+
+/* ADC Preamp gain select */
+static const char * const cs53l30_preamp_gain_sel_text[] = {
+ "0dB", "10dB", "20dB"};
+
+static const struct soc_enum adc1a_preamp_gain_enum =
+ SOC_ENUM_SINGLE(CS53L30_ADC1A_AFE_CTL, 6,
+ ARRAY_SIZE(cs53l30_preamp_gain_sel_text),
+ cs53l30_preamp_gain_sel_text);
+
+static const struct soc_enum adc1b_preamp_gain_enum =
+ SOC_ENUM_SINGLE(CS53L30_ADC1B_AFE_CTL, 6,
+ ARRAY_SIZE(cs53l30_preamp_gain_sel_text),
+ cs53l30_preamp_gain_sel_text);
+
+static const struct soc_enum adc2a_preamp_gain_enum =
+ SOC_ENUM_SINGLE(CS53L30_ADC2A_AFE_CTL, 6,
+ ARRAY_SIZE(cs53l30_preamp_gain_sel_text),
+ cs53l30_preamp_gain_sel_text);
+
+static const struct soc_enum adc2b_preamp_gain_enum =
+ SOC_ENUM_SINGLE(CS53L30_ADC2B_AFE_CTL, 6,
+ ARRAY_SIZE(cs53l30_preamp_gain_sel_text),
+ cs53l30_preamp_gain_sel_text);
+
+/* Set MIC Bias Voltage Control */
+static const char * const cs53l30_micbias_text[] = {
+ "HiZ", "1.8V", "2.75V"};
+
+static const struct soc_enum micbias_enum =
+ SOC_ENUM_SINGLE(CS53L30_MICBIAS_CTL, 0,
+ ARRAY_SIZE(cs53l30_micbias_text),
+ cs53l30_micbias_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, 1,
+ ARRAY_SIZE(hpf_corner_freq_text), hpf_corner_freq_text);
+
+static const struct soc_enum adc2_hpf_enum =
+ SOC_ENUM_SINGLE(CS53L30_ADC2_CTL3, 1,
+ 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, 5, 1, 0),
+ SOC_SINGLE("ADC1 Noise Gate Ganging Switch",
+ CS53L30_ADC1_CTL3, 0, 1, 0),
+ SOC_SINGLE("ADC2 Noise Gate Ganging Switch",
+ CS53L30_ADC2_CTL3, 0, 1, 0),
+ SOC_SINGLE("ADC1A Noise Gate Enable Switch",
+ CS53L30_ADC1_NG_CTL, 6, 1, 0),
+ SOC_SINGLE("ADC1B Noise Gate Enable Switch",
+ CS53L30_ADC1_NG_CTL, 7, 1, 0),
+ SOC_SINGLE("ADC2A Noise Gate Enable Switch",
+ CS53L30_ADC2_NG_CTL, 6, 1, 0),
+ SOC_SINGLE("ADC2B Noise Gate Enable Switch",
+ CS53L30_ADC2_NG_CTL, 7, 1, 0),
+ SOC_SINGLE("ADC1 Notch Filter Switch",
+ CS53L30_ADCDMIC1_CTL2, 7, 1, 1),
+ SOC_SINGLE("ADC2 Notch Filter Switch",
+ CS53L30_ADCDMIC2_CTL2, 7, 1, 1),
+ SOC_SINGLE("ADC1A Invert Switch",
+ CS53L30_ADCDMIC1_CTL2, 4, 1, 0),
+ SOC_SINGLE("ADC1B Invert Switch",
+ CS53L30_ADCDMIC1_CTL2, 5, 1, 0),
+ SOC_SINGLE("ADC2A Invert Switch",
+ CS53L30_ADCDMIC2_CTL2, 4, 1, 0),
+ SOC_SINGLE("ADC2B Invert Switch",
+ CS53L30_ADCDMIC2_CTL2, 5, 1, 0),
+
+ SOC_SINGLE_TLV("ADC1A Digital Boost Volume",
+ CS53L30_ADCDMIC1_CTL2, 0, 1, 0, adc_boost_tlv),
+ SOC_SINGLE_TLV("ADC1B Digital Boost Volume",
+ CS53L30_ADCDMIC1_CTL2, 1, 1, 0, adc_boost_tlv),
+ SOC_SINGLE_TLV("ADC2A Digital Boost Volume",
+ CS53L30_ADCDMIC2_CTL2, 0, 1, 0, adc_boost_tlv),
+ SOC_SINGLE_TLV("ADC2B Digital Boost Volume",
+ CS53L30_ADCDMIC2_CTL2, 1, 1, 0, adc_boost_tlv),
+ SOC_SINGLE_TLV("ADC1 NG Boost Volume",
+ CS53L30_ADC1_NG_CTL, 5, 1, 0, adc_ng_boost_tlv),
+ SOC_SINGLE_TLV("ADC2 NG Boost Volume",
+ CS53L30_ADC2_NG_CTL, 5, 1, 0, adc_ng_boost_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_ENUM("ADC1A Pre Amp Gain", adc1a_preamp_gain_enum),
+ SOC_ENUM("ADC1B Pre Amp Gain", adc1b_preamp_gain_enum),
+ SOC_ENUM("ADC2A Pre Amp Gain", adc2a_preamp_gain_enum),
+ SOC_ENUM("ADC2B Pre Amp Gain", adc2b_preamp_gain_enum),
+ SOC_ENUM("Mic Bias Voltage Select", micbias_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 int cs53l30_asp_sdout_event(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 cs53l30_private *priv = snd_soc_codec_get_drvdata(codec);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ regmap_update_bits(priv->regmap, CS53L30_ASP1_CTL,
+ ASP1_3ST, 0);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ regmap_update_bits(priv->regmap, CS53L30_ASP1_CTL,
+ ASP1_3ST, 1);
+ break;
+ default:
+ pr_err("Invalid event = 0x%x\n", event);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+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, 4, 1, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("MIC2 Bias", CS53L30_MICBIAS_CTL, 5, 1, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("MIC3 Bias", CS53L30_MICBIAS_CTL, 6, 1, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("MIC4 Bias", CS53L30_MICBIAS_CTL, 7, 1, NULL, 0),
+
+ SND_SOC_DAPM_AIF_OUT_E("ASP_SDOUT1", NULL, 0,
+ CS53L30_ASP1_CTL, ASP1_SDOUT_PDN,
+ 1, cs53l30_asp_sdout_event,
+ (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD)),
+ SND_SOC_DAPM_AIF_OUT_E("ASP_SDOUT2", NULL, 0,
+ CS53L30_ASP2_CTL, ASP2_SDOUT_PDN,
+ 1, cs53l30_asp_sdout_event,
+ (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD)),
+
+ 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, 6, 1),
+ SND_SOC_DAPM_ADC("ADC1B", NULL, CS53L30_ADCDMIC1_CTL1, 7, 1),
+ SND_SOC_DAPM_ADC("ADC2A", NULL, CS53L30_ADCDMIC2_CTL1, 6, 1),
+ SND_SOC_DAPM_ADC("ADC2B", NULL, CS53L30_ADCDMIC2_CTL1, 7, 1),
+ SND_SOC_DAPM_ADC("DMIC1", NULL, CS53L30_ADCDMIC1_CTL1, 2, 1),
+ SND_SOC_DAPM_ADC("DMIC2", NULL, CS53L30_ADCDMIC2_CTL1, 2, 1),
+};
+
+static const struct snd_soc_dapm_route cs53l30_audio_map[] = {
+
+ /* 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"},
+
+ /* Output Paths */
+ {"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"},
+
+ {"ASP1 Capture", NULL, "ASP_SDOUT1"},
+ {"ASP2 Capture", NULL, "ASP_SDOUT2"},
+};
+
+struct cs53l30_mclk_div {
+ u32 mclk;
+ u32 srate;
+ u8 asp_rate;
+ u8 internal_fs_ratio;
+ u8 mclk_int_scale;
+};
+
+static 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, 1, 1},
+ {5644800, 22050, 0x8, 1, 1},
+ {5644800, 44100, 0xC, 1, 1},
+
+ {6000000, 8000, 0x1, 0, 1},
+ {6000000, 11025, 0x2, 0, 1},
+ {6000000, 12000, 0x4, 0, 1},
+ {6000000, 16000, 0x5, 0, 1},
+ {6000000, 22050, 0x6, 0, 1},
+ {6000000, 24000, 0x8, 0, 1},
+ {6000000, 32000, 0x9, 0, 1},
+ {6000000, 44100, 0xA, 0, 1},
+ {6000000, 48000, 0xC, 0, 1},
+
+ {6144000, 8000, 0x1, 1, 1},
+ {6144000, 11025, 0x2, 1, 1},
+ {6144000, 12000, 0x4, 1, 1},
+ {6144000, 16000, 0x5, 1, 1},
+ {6144000, 22050, 0x6, 1, 1},
+ {6144000, 24000, 0x8, 1, 1},
+ {6144000, 32000, 0x9, 1, 1},
+ {6144000, 44100, 0xA, 1, 1},
+ {6144000, 48000, 0xC, 1, 1},
+
+ {6400000, 8000, 0x1, 1, 1},
+ {6400000, 11025, 0x2, 1, 1},
+ {6400000, 12000, 0x4, 1, 1},
+ {6400000, 16000, 0x5, 1, 1},
+ {6400000, 22050, 0x6, 1, 1},
+ {6400000, 24000, 0x8, 1, 1},
+ {6400000, 32000, 0x9, 1, 1},
+ {6400000, 44100, 0xA, 1, 1},
+ {6400000, 48000, 0xC, 1, 1},
+};
+
+struct cs53l30_mclkx_div {
+ u32 mclkx;
+ u8 ratio;
+ u8 mclkdiv;
+};
+
+static struct cs53l30_mclkx_div cs53l30_mclkx_coeffs[] = {
+ {5644800, 1, 0},
+ {6000000, 1, 0},
+ {6144000, 1, 0},
+ {11289600, 2, 1},
+ {12288000, 2, 1},
+ {12000000, 2, 1},
+ {19200000, 3, 2},
+};
+
+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, int srate)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(cs53l30_mclk_coeffs); i++) {
+ if (cs53l30_mclk_coeffs[i].mclk == mclk &&
+ 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 snd_soc_codec *codec = dai->codec;
+ struct cs53l30_private *priv = snd_soc_codec_get_drvdata(codec);
+
+ int mclkx_coeff;
+ u32 mclk;
+ unsigned int mclk_ctl;
+
+ /* MCLKX -> MCLK */
+ mclkx_coeff = cs53l30_get_mclkx_coeff(freq);
+ if (mclkx_coeff < 0)
+ return mclkx_coeff;
+
+ mclk = cs53l30_mclkx_coeffs[mclkx_coeff].mclkx /
+ cs53l30_mclkx_coeffs[mclkx_coeff].ratio;
+
+ regmap_read(priv->regmap, CS53L30_MCLKCTL, &mclk_ctl);
+ mclk_ctl &= ~MCLK_DIV;
+ mclk_ctl |= cs53l30_mclkx_coeffs[mclkx_coeff].mclkdiv;
+
+ regmap_write(priv->regmap, CS53L30_MCLKCTL, mclk_ctl);
+ priv->mclk = mclk;
+ return 0;
+}
+
+static int cs53l30_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct cs53l30_private *priv = snd_soc_codec_get_drvdata(codec);
+ unsigned int asp_config_ctl;
+
+ regmap_read(priv->regmap, CS53L30_ASPCFG_CTL, &asp_config_ctl);
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ asp_config_ctl |= ASP_MS;
+ break;
+
+ case SND_SOC_DAIFMT_CBS_CFS:
+ asp_config_ctl &= ~ASP_MS;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ /* Check to see if the SCLK is inverted */
+ if (fmt & (SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_IB_IF))
+ asp_config_ctl |= ASP_SCLK_INV;
+ else
+ asp_config_ctl &= ~ASP_SCLK_INV;
+
+ priv->asp_config_ctl = asp_config_ctl;
+ 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 snd_soc_codec *codec = dai->codec;
+ struct cs53l30_private *priv = snd_soc_codec_get_drvdata(codec);
+ int mclk_coeff;
+ int srate = params_rate(params);
+ unsigned int int_sr_ctl, mclk_ctl;
+
+ /* MCLK -> srate */
+ mclk_coeff =
+ cs53l30_get_mclk_coeff(priv->mclk, srate);
+ if (mclk_coeff < 0)
+ return -EINVAL;
+
+ regmap_write(priv->regmap, CS53L30_ASPCFG_CTL, priv->asp_config_ctl);
+ regmap_read(priv->regmap, CS53L30_INT_SR_CTL, &int_sr_ctl);
+ if (cs53l30_mclk_coeffs[mclk_coeff].internal_fs_ratio)
+ int_sr_ctl |= INTERNAL_FS_RATIO;
+ else
+ int_sr_ctl &= ~INTERNAL_FS_RATIO;
+ regmap_write(priv->regmap, CS53L30_INT_SR_CTL, int_sr_ctl);
+
+ regmap_read(priv->regmap, CS53L30_MCLKCTL, &mclk_ctl);
+ if (cs53l30_mclk_coeffs[mclk_coeff].mclk_int_scale)
+ mclk_ctl |= MCLK_INT_SCALE;
+ else
+ mclk_ctl &= ~MCLK_INT_SCALE;
+
+ regmap_write(priv->regmap, CS53L30_MCLKCTL, mclk_ctl);
+ priv->asp_config_ctl &= ASP_CNFG_MASK;
+ priv->asp_config_ctl |= (cs53l30_mclk_coeffs[mclk_coeff].asp_rate
+ & ASP_RATE);
+ regmap_write(priv->regmap, CS53L30_MCLKCTL, priv->asp_config_ctl);
+
+ return 0;
+}
+
+static int cs53l30_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
+ struct cs53l30_private *priv = snd_soc_codec_get_drvdata(codec);
+ unsigned int reg;
+ int i, inter_max_check;
+
+ 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,
+ PDN_LP, 0);
+ break;
+ case SND_SOC_BIAS_STANDBY:
+ if (dapm->bias_level == SND_SOC_BIAS_OFF) {
+ regmap_update_bits(priv->regmap, CS53L30_MCLKCTL,
+ MCLK_DIS, 0);
+ regmap_update_bits(priv->regmap, CS53L30_PWRCTL,
+ PDN_ULP, 0);
+ msleep(50);
+ } else {
+ regmap_update_bits(priv->regmap, CS53L30_PWRCTL,
+ PDN_LP, PDN_LP);
+ }
+ break;
+
+ case SND_SOC_BIAS_OFF:
+ regmap_update_bits(priv->regmap, CS53L30_INT_MASK,
+ 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 & DIGSFT)
+ inter_max_check = PDN_POLL_MAX;
+ else
+ inter_max_check = 10;
+
+ regmap_update_bits(priv->regmap, CS53L30_PWRCTL,
+ PDN_ULP, PDN_ULP);
+ msleep(20); /* PDN_DONE will take a min of 20ms to be set.*/
+ regmap_read(priv->regmap, CS53L30_IS, ®); /* Clr status */
+ for (i = 0; i < inter_max_check; i++) {
+ msleep(1);
+ regmap_read(priv->regmap, CS53L30_IS, ®);
+ if (reg & PDN_DONE)
+ break;
+ }
+ /* PDN_DONE is set. We now can disable the MCLK */
+ regmap_update_bits(priv->regmap, CS53L30_INT_MASK,
+ PDN_DONE, PDN_DONE);
+ regmap_update_bits(priv->regmap, CS53L30_MCLKCTL,
+ MCLK_DIS, MCLK_DIS);
+ break;
+ }
+ dapm->bias_level = level;
+
+ return 0;
+}
+
+static int cs53l30_set_tristate(struct snd_soc_dai *dai, int tristate)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct cs53l30_private *priv = snd_soc_codec_get_drvdata(codec);
+
+ return regmap_update_bits(priv->regmap, CS53L30_ASP1_CTL, ASP1_3ST,
+ (ASP1_3ST_VAL(tristate) & ASP1_3ST));
+}
+
+static int cs53l30_src_rates[] = {
+ 8000, 11025, 12000, 16000, 22050,
+ 24000, 32000, 44100, 48000
+};
+
+static 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;
+}
+
+/* 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,
+};
+
+static struct snd_soc_dai_driver cs53l30_dai[] = {
+ {
+ .name = "cs53l30-asp1",
+ .id = CS53L30_ASP1,
+ .capture = {
+ .stream_name = "ASP1 Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = CS53L30_RATES,
+ .formats = CS53L30_FORMATS,
+ },
+ .ops = &cs53l30_ops,
+ .symmetric_rates = 1,
+ },
+ {
+ .name = "cs53l30-asp2",
+ .id = CS53L30_ASP2,
+ .capture = {
+ .stream_name = "ASP2 Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = CS53L30_RATES,
+ .formats = CS53L30_FORMATS,
+ },
+ .ops = &cs53l30_ops,
+ .symmetric_rates = 1,
+ }
+};
+
+static struct snd_soc_codec_driver soc_codec_dev_cs53l30 = {
+ .set_bias_level = cs53l30_set_bias_level,
+
+ .dapm_widgets = cs53l30_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(cs53l30_dapm_widgets),
+ .dapm_routes = cs53l30_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(cs53l30_audio_map),
+
+ .controls = cs53l30_snd_controls,
+ .num_controls = ARRAY_SIZE(cs53l30_snd_controls),
+};
+
+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,
+ .readable_reg = cs53l30_readable_register,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static int cs53l30_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct cs53l30_private *cs53l30;
+ int ret = 0;
+ unsigned int devid = 0;
+ unsigned int reg;
+
+ cs53l30 = devm_kzalloc(&client->dev,
+ sizeof(struct cs53l30_private), GFP_KERNEL);
+ if (!cs53l30) {
+ dev_err(&client->dev, "could not allocate codec\n");
+ return -ENOMEM;
+ }
+
+ /* Reset the Device */
+ cs53l30->reset_gpio = devm_gpiod_get_optional(&client->dev,
+ "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(cs53l30->reset_gpio))
+ return PTR_ERR(cs53l30->reset_gpio);
+
+ if (cs53l30->reset_gpio)
+ gpiod_set_value_cansleep(cs53l30->reset_gpio, 1);
+
+ i2c_set_clientdata(client, cs53l30);
+
+ cs53l30->mclk = 0;
+
+ cs53l30->regmap = devm_regmap_init_i2c(client, &cs53l30_regmap);
+ if (IS_ERR(cs53l30->regmap)) {
+ ret = PTR_ERR(cs53l30->regmap);
+ dev_err(&client->dev, "regmap_init() failed: %d\n", ret);
+ return ret;
+ }
+ /* 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(&client->dev,
+ "CS53L30 Device ID (%X). Expected %X\n",
+ devid, CS53L30_DEVID);
+ return ret;
+ }
+
+ ret = regmap_read(cs53l30->regmap, CS53L30_REVID, ®);
+ if (ret < 0) {
+ dev_err(&client->dev, "Get Revision ID failed\n");
+ return ret;
+ }
+
+ dev_info(&client->dev,
+ "Cirrus Logic CS53L30, Revision: %02X\n", reg & 0xFF);
+
+ ret = snd_soc_register_codec(&client->dev,
+ &soc_codec_dev_cs53l30, cs53l30_dai,
+ ARRAY_SIZE(cs53l30_dai));
+ return ret;
+}
+
+static int cs53l30_i2c_remove(struct i2c_client *client)
+{
+ struct cs53l30_private *cs53l30 = i2c_get_clientdata(client);
+
+ snd_soc_unregister_codec(&client->dev);
+
+ /* Hold down reset */
+ if (cs53l30->reset_gpio)
+ gpiod_set_value_cansleep(cs53l30->reset_gpio, 0);
+
+ 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 */
+ if (cs53l30->reset_gpio)
+ gpiod_set_value_cansleep(cs53l30->reset_gpio, 0);
+
+ return 0;
+}
+
+static int cs53l30_runtime_resume(struct device *dev)
+{
+ struct cs53l30_private *cs53l30 = dev_get_drvdata(dev);
+
+ if (cs53l30->reset_gpio)
+ gpiod_set_value_cansleep(cs53l30->reset_gpio, 1);
+
+ regcache_cache_only(cs53l30->regmap, false);
+ regcache_sync(cs53l30->regmap);
+
+ 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",
+ .owner = THIS_MODULE,
+ },
+ .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 at cirrus.com>");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/cs53l30.h b/sound/soc/codecs/cs53l30.h
new file mode 100644
index 0000000..f45e91f
+++ b/sound/soc/codecs/cs53l30.h
@@ -0,0 +1,272 @@
+/*
+ * ALSA SoC CS53L30 codec driver
+ *
+ * Copyright 2015 Cirrus Logic, Inc.
+ *
+ * Author: Paul Handrigan <Paul.Handrigan at cirrus.com>,
+ * Tim Howe <Tim.Howe at 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.
+ *
+ */
+
+#ifndef __CS53L30_H__
+#define __CS53L30_H__
+
+/* I2C Registers */
+#define CS53L30_DEVID_AB 0x01 /* Device ID A & B [RO]. */
+#define CS53L30_DEVID_CD 0x02 /* Device ID C & D [RO]. */
+#define CS53L30_DEVID_E 0x03 /* Device ID E [RO]. */
+#define CS53L30_REVID 0x05 /* Revision ID [RO]. */
+#define CS53L30_PWRCTL 0x06 /* Power Control. */
+#define CS53L30_MCLKCTL 0x07 /* MCLK Control. */
+#define CS53L30_INT_SR_CTL 0x08 /* Internal Sample Rate Control. */
+#define CS53L30_MICBIAS_CTL 0x0A /* Mic Bias Control. */
+#define CS53L30_ASPCFG_CTL 0x0C /* ASP Config Control. */
+#define CS53L30_ASP1_CTL 0x0D /* ASP1 Control. */
+#define CS53L30_ASP1_TDMTX_CTL1 0x0E /* ASP1 TDM TX Control 1 */
+#define CS53L30_ASP1_TDMTX_CTL2 0x0F /* ASP1 TDM TX Control 2 */
+#define CS53L30_ASP1_TDMTX_CTL3 0x10 /* ASP1 TDM TX Control 3 */
+#define CS53L30_ASP1_TDMTX_CTL4 0x11 /* ASP1 TDM TX Control 4 */
+#define CS53L30_ASP1_TDMTX_EN1 0x12 /* ASP1 TDM TX Enable 1 */
+#define CS53L30_ASP1_TDMTX_EN2 0x13 /* ASP1 TDM TX Enable 2 */
+#define CS53L30_ASP1_TDMTX_EN3 0x14 /* ASP1 TDM TX Enable 3 */
+#define CS53L30_ASP1_TDMTX_EN4 0x15 /* ASP1 TDM TX Enable 4 */
+#define CS53L30_ASP1_TDMTX_EN5 0x16 /* ASP1 TDM TX Enable 5 */
+#define CS53L30_ASP1_TDMTX_EN6 0x17 /* ASP1 TDM TX Enable 6 */
+#define CS53L30_ASP2_CTL 0x18 /* ASP2 Control. */
+#define CS53L30_SFT_RAMP 0x1A /* Soft Ramp Control. */
+#define CS53L30_LRCLK_CTL1 0x1B /* LRCLK Control 1. */
+#define CS53L30_LRCLK_CTL2 0x1C /* LRCLK Control 2. */
+#define CS53L30_MUTEP_CTL1 0x1F /* Mute Pin Control 1. */
+#define CS53L30_MUTEP_CTL2 0x20 /* Mute Pin Control 2. */
+#define CS53L30_INBIAS_CTL1 0x21 /* Input Bias Control 1. */
+#define CS53L30_INBIAS_CTL2 0x22 /* Input Bias Control 2. */
+#define CS53L30_DMIC1_STR_CTL 0x23 /* DMIC1 Stereo Control. */
+#define CS53L30_DMIC2_STR_CTL 0x24 /* DMIC2 Stereo Control. */
+#define CS53L30_ADCDMIC1_CTL1 0x25 /* ADC1/DMIC1 Control 1. */
+#define CS53L30_ADCDMIC1_CTL2 0x26 /* ADC1/DMIC1 Control 2. */
+#define CS53L30_ADC1_CTL3 0x27 /* ADC1 Control 3. */
+#define CS53L30_ADC1_NG_CTL 0x28 /* ADC1 Noise Gate Control. */
+#define CS53L30_ADC1A_AFE_CTL 0x29 /* ADC1A AFE Control. */
+#define CS53L30_ADC1B_AFE_CTL 0x2A /* ADC1B AFE Control. */
+#define CS53L30_ADC1A_DIG_VOL 0x2B /* ADC1A Digital Volume. */
+#define CS53L30_ADC1B_DIG_VOL 0x2C /* ADC1B Digital Volume. */
+#define CS53L30_ADCDMIC2_CTL1 0x2D /* ADC2/DMIC2 Control 1. */
+#define CS53L30_ADCDMIC2_CTL2 0x2E /* ADC2/DMIC2 Control 2. */
+#define CS53L30_ADC2_CTL3 0x2F /* ADC2 Control 3. */
+#define CS53L30_ADC2_NG_CTL 0x30 /* ADC2 Noise Gate Control. */
+#define CS53L30_ADC2A_AFE_CTL 0x31 /* ADC2A AFE Control. */
+#define CS53L30_ADC2B_AFE_CTL 0x32 /* ADC2B AFE Control. */
+#define CS53L30_ADC2A_DIG_VOL 0x33 /* ADC2A Digital Volume. */
+#define CS53L30_ADC2B_DIG_VOL 0x34 /* ADC2B Digital Volume. */
+#define CS53L30_INT_MASK 0x35 /* Interrupt Mask. */
+#define CS53L30_IS 0x36 /* Interrupt Status. */
+#define CS53L30_MAX_REGISTER 0x36
+
+/* Device ID */
+#define CS53L30_DEVID 0x53A30
+
+/* PDN_DONE Poll Maximum
+ * If soft ramp is set it will take much longer to power down
+ * the system.
+ */
+#define PDN_POLL_MAX 900
+
+/* Bitfield Definitions */
+
+/* CS53L30_PWRCTL */
+#define PDN_ULP (1 << 7)
+#define PDN_LP (1 << 6)
+#define DISCHARGE_FILT (1 << 5)
+#define THMS_PDN (1 << 4)
+
+/* CS53L30_MCLKCTL */
+#define MCLK_DIS (1 << 7)
+#define MCLK_INT_SCALE (1 << 6)
+#define DMIC_DRIVE (1 << 5)
+#define MCLK_DIV (3 << 2)
+#define MCLK_DIV_DFLT (1 << 2)
+#define SYNC_EN (1 << 1)
+
+/* CS53L30_INT_SR_CTL */
+#define INTERNAL_FS_RATIO (1 << 4)
+#define INTERNAL_FS_DFLT (7 << 2)
+#define MCLK_19MHZ_EN (1 << 0)
+
+/* CS53L30_MICBIAS_CTL */
+#define MIC4_BIAS_PDN (1 << 7)
+#define MIC3_BIAS_PDN (1 << 6)
+#define MIC2_BIAS_PDN (1 << 5)
+#define MIC1_BIAS_PDN (1 << 4)
+#define VP_MIN (1 << 2)
+#define MIC_BIAS_CTRL (3 << 0)
+#define MIC_BIAS_ALL_PDN 0xF0
+#define MIC_BIAS_DFLT (MIC_BIAS_ALL_PDN | VP_MIN)
+
+/* CS53L30_ASPCFG_CTL */
+#define ASP_MS (1 << 7)
+#define ASP_SCLK_INV (1 << 4)
+#define ASP_RATE_48K (3 << 2)
+#define ASP_RATE 0x0F
+#define ASP_CNFG_MASK 0xF0
+
+/* CS53L30_ASP1_CTL */
+#define ASP1_TDM_PDN (1 << 7)
+#define ASP1_SDOUT_PDN (1 << 6)
+#define ASP1_3ST (1 << 5)
+#define SHIFT_LEFT (1 << 4)
+#define ASP1_DRIVE (1 << 0)
+#define ASP1_3ST_VAL(x) ((x) << 5)
+
+/* CS53L30_ASP1_TDMTX_CTL */
+#define ASP1_CHX_TX_STATE (1 << 7)
+#define ASP1_CHX_TX_LOC 0x3F
+#define ASP1_CHX_TX_DFLT_SLT47 0x2F
+#define ASP_TX_DISABLED 0x00
+
+/* CS53L30_ASP2_CTL */
+#define ASP2_SDOUT_PDN (1 << 6)
+#define ASP2_DRIVE (1 << 0)
+#define ASP2_CTRL_DFLT 0x00
+
+/* CS53L30_SFT_RAMP */
+#define DIGSFT (1 << 5)
+#define SFT_RMP_DFLT 0x00
+
+/* CS53L30_LRCLK_CTL2 */
+#define LRCK_50_NPW (1 << 3)
+#define LRCK_TPWH (7 << 0)
+#define LRCK_CTLX_DFLT 0x00
+
+/* CS53L30_MUTEP_CTL */
+#define MUTE_PDN_ULP (1 << 7)
+#define MUTE_PDN_LP (1 << 6)
+#define MUTE_M4B_PDN (1 << 4)
+#define MUTE_M3B_PDN (1 << 3)
+#define MUTE_M2B_PDN (1 << 2)
+#define MUTE_M1B_PDN (1 << 1)
+#define MUTE_MB_ALL_PDN (1 << 0)
+#define MUTEP_CTRL1_DFLT 0x00
+
+/* CS53L30_MUTEP_CTL2 */
+#define MUTE_PIN_POLARITY (1 << 7)
+#define MUTE_ASP_TDM_PDN (1 << 6)
+#define MUTE_ASP_SDOUT2_PDN (1 << 5)
+#define MUTE_ASP_SDOUT1_PDN (1 << 4)
+#define MUTE_ADC2B_PDN (1 << 3)
+#define MUTE_ADC2A_PDN (1 << 2)
+#define MUTE_ADC1B_PDN (1 << 1)
+#define MUTE_ADC1A_PDN (1 << 0)
+
+/* CS53L30_INBIAS_CTL1 */
+#define IN4M_BIAS (3 << 6)
+#define IN4P_BIAS (3 << 4)
+#define IN3M_BIAS (3 << 2)
+#define IN3P_BIAS (3 << 0)
+
+/* CS53L30_INBIAS_CTL2 */
+#define IN2M_BIAS (3 << 6)
+#define IN2P_BIAS (3 << 4)
+#define IN1M_BIAS (3 << 2)
+#define IN1P_BIAS (3 << 0)
+#define INBIAS_CTLX_DFLT 0xAA
+
+/* CS53L30_DMIC1_STR_CTL */
+#define DMIC1_STEREO_ENB (1 << 5)
+#define DMIC1_STEREO_DFLT 0xA8
+
+/* CS53L30_DMIC2_STR_CTL */
+#define DMIC2_STEREO_EN (1 << 5)
+#define DMIC2_STEREO_DFLT 0xEC
+
+/* CS53L30_ADCDMIC1_CTL1 */
+#define ADC1B_PDN (1 << 7)
+#define ADC1A_PDN (1 << 6)
+#define DMIC1_PDN (1 << 2)
+#define DMIC1_SCLK_DIV (1 << 1)
+#define CH_TYPE (1 << 0)
+#define DMIC1_ON_CH_AB_IN (CH_TYPE)
+#define DMIC1_ON_CH_A_IN (ADC1B_PDN | CH_TYPE)
+#define DMIC1_ON_CH_B_IN (ADC1A_PDN | CH_TYPE)
+#define ADC1_ON_CH_AB_IN (DMIC1_PDN)
+#define ADC1_ON_CH_A_IN (ADC1B_PDN | DMIC1_PDN)
+#define ADC1_ON_CH_B_IN (ADC1A_PDN | DMIC1_PDN)
+#define DMIC1_OFF_ADC1_OFF (ADC1A_PDN | ADC1B_PDN | DMIC1_PDN)
+#define ADC1_DMIC1_PDN_MASK 0xFF
+
+/* CS53L30_ADCDMIC1_CTL2 */
+#define ADC1_NOTCH_DIS (1 << 7)
+#define ADC1B_INV (1 << 5)
+#define ADC1A_INV (1 << 4)
+#define ADC1B_DIG_BOOST (1 << 1)
+#define ADC1A_DIG_BOOST (1 << 0)
+#define ADC1_DMIC1_CTL2_DFLT 0x00
+
+/* CS53L30_ADC1_CTL3 */
+#define ADC1_HPF_EN (1 << 3)
+#define ADC1_HPF_CF (3 << 1)
+#define ADC1_NG_ALL (1 << 0)
+
+/* CS53L30_ADC1_NG_CTL */
+#define ADC1B_NG (1 << 7)
+#define ADC1A_NG (1 << 6)
+#define ADC1_NG_BOOST (1 << 5)
+#define ADC1_NG_THRESH (7 << 2)
+#define ADC1_NG_DELAY (3 << 0)
+#define ADCX_ZERO_DFLT 0x00
+
+/* CS53L30_ADC1A_AFE_CTL */
+#define ADC1A_PREAMP (3 << 6)
+#define ADC1A_PGA_VOL 0x3F
+
+/* CS53L30_ADC1B_AFE_CTL */
+#define ADC1B_PREAMP (3 << 6)
+#define ADC1B_PGA_VOL 0x3F
+
+/* CS53L30_ADCXX_DIG_VOL */
+#define MUTE_DIG_OUT (1 << 7)
+
+/* CS53L30_ADCDMIC2_CTL1 */
+#define ADC2B_PDN (1 << 7)
+#define ADC2A_PDN (1 << 6)
+#define DMIC2_PDN (1 << 2)
+#define DMIC2_CLKDIV (1 << 1)
+#define DMIC2_ON_CH_AB_IN 0x00 /* CH_TYPE must = 1 */
+#define DMIC2_ON_CH_A_IN (ADC2B_PDN) /* CH_TYPE must = 1 */
+#define DMIC2_ON_CH_B_IN (ADC2A_PDN) /* CH_TYPE must = 1 */
+#define ADC2_ON_CH_AB_IN (DMIC2_PDN) /* CH_TYPE must = 0 */
+#define ADC2_ON_CH_A_IN (ADC2B_PDN | DMIC2_PDN) /* CH_TYPE must = 0 */
+#define ADC2_ON_CH_B_IN (ADC2A_PDN | DMIC2_PDN) /* CH_TYPE must = 0 */
+#define DMIC2_OFF_ADC2_OFF (ADC2A_PDN | ADC2B_PDN | DMIC2_PDN)
+
+/* CS53L30_ADCDMIC2_CTL2 */
+#define ADC2_NOTCH_DIS (1 << 7)
+#define ADC2B_INV (1 << 5)
+#define ADC2A_INV (1 << 4)
+#define ADC2B_DIG_BOOST (1 << 1)
+#define ADC2A_DIG_BOOST (1 << 0)
+
+/* CS53L30_ADC2_CTL3 */
+#define ADC2_HPF_EN (1 << 3)
+#define ADC2_HPF_CF (3 << 1)
+#define ADC2_NG_ALL (1 << 0)
+
+/* CS53L30_INT */
+#define PDN_DONE (1 << 7)
+#define THMS_TRIP (1 << 6)
+#define SYNC_DONE (1 << 5)
+#define ADC2B_OVFL (1 << 4)
+#define ADC2A_OVFL (1 << 3)
+#define ADC1B_OVFL (1 << 2)
+#define ADC1A_OVFL (1 << 1)
+#define MUTE_PIN (1 << 0)
+#define DEVICE_INT_MASK 0xFF
+
+/* Serial Ports */
+#define CS53L30_ASP1 0
+#define CS53L30_ASP2 1
+
+#endif /* __CS53L30_H__ */
--
2.4.5
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