[alsa-devel] [PATCH 3/5] ASoC: Add ADAU1381/ADAU1781 audio CODEC support
Lars-Peter Clausen
lars at metafoo.de
Wed Aug 28 17:20:11 CEST 2013
This patch adds support for the Analog Devices ADAU1381 and ADAU1781 audio
CODECs. The device is a low-power, 24-bit stereo audio CODEC with multiple
analog inputs and outputs, two digital microphone inputs and an I2S interface.
The device can be controlled either using I2C or SPI. The main difference
between the two variants is that the ADAU1781 has a freely programmable SigmaDSP
processor, while the ADAU1381 has a fixed function wind noise reduction filter.
Signed-off-by: Lars-Peter Clausen <lars at metafoo.de>
---
include/linux/platform_data/adau17x1.h | 19 +
sound/soc/codecs/Kconfig | 5 +
sound/soc/codecs/Makefile | 2 +
sound/soc/codecs/adau1781.c | 675 +++++++++++++++++++++++++++++++++
4 files changed, 701 insertions(+)
create mode 100644 sound/soc/codecs/adau1781.c
diff --git a/include/linux/platform_data/adau17x1.h b/include/linux/platform_data/adau17x1.h
index 5f559db..b890507 100644
--- a/include/linux/platform_data/adau17x1.h
+++ b/include/linux/platform_data/adau17x1.h
@@ -87,4 +87,23 @@ struct adau1761_platform_data {
enum adau17x1_micbias_voltage micbias_voltage;
};
+/**
+ * struct adau1781_platform_data - ADAU1781 Codec driver platform data
+ * @left_input_differential: If true configure the left input as
+ differential input.
+ * @right_input_differential: If true configure the right input as
+ * differntial input.
+ * @use_dmic: If true configure the MIC pins as digital
+ * microphone pins instead of analog microphone pins.
+ * @micbias_voltage: Microphone voltage bias
+ */
+struct adau1781_platform_data {
+ bool left_input_differential;
+ bool right_input_differential;
+
+ bool use_dmic;
+
+ enum adau17x1_micbias_voltage micbias_voltage;
+};
+
#endif
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index d93a984..503f57f 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -21,6 +21,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_AD73311
select SND_SOC_ADAU1373 if I2C
select SND_SOC_ADAU1761 if SND_SOC_I2C_AND_SPI
+ select SND_SOC_ADAU1781 if SND_SOC_I2C_AND_SPI
select SND_SOC_ADAV80X if SND_SOC_I2C_AND_SPI
select SND_SOC_ADAU1701 if I2C
select SND_SOC_ADS117X
@@ -202,6 +203,10 @@ config SND_SOC_ADAU1761
select SND_SOC_ADAU17X1
tristate
+config SND_SOC_ADAU1781
+ select SND_SOC_ADAU17X1
+ tristate
+
config SND_SOC_ADAV80X
tristate
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 6aec0af..3f6c3a9 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -9,6 +9,7 @@ snd-soc-adau1701-objs := adau1701.o
snd-soc-adau1373-objs := adau1373.o
snd-soc-adau17x1-objs := adau17x1.o
snd-soc-adau1761-objs := adau1761.o
+snd-soc-adau1781-objs := adau1781.o
snd-soc-adav80x-objs := adav80x.o
snd-soc-ads117x-objs := ads117x.o
snd-soc-ak4104-objs := ak4104.o
@@ -142,6 +143,7 @@ obj-$(CONFIG_SND_SOC_ADAU1373) += snd-soc-adau1373.o
obj-$(CONFIG_SND_SOC_ADAU1701) += snd-soc-adau1701.o
obj-$(CONFIG_SND_SOC_ADAU17X1) += snd-soc-adau17x1.o
obj-$(CONFIG_SND_SOC_ADAU1761) += snd-soc-adau1761.o
+obj-$(CONFIG_SND_SOC_ADAU1781) += snd-soc-adau1781.o
obj-$(CONFIG_SND_SOC_ADAV80X) += snd-soc-adav80x.o
obj-$(CONFIG_SND_SOC_ADS117X) += snd-soc-ads117x.o
obj-$(CONFIG_SND_SOC_AK4104) += snd-soc-ak4104.o
diff --git a/sound/soc/codecs/adau1781.c b/sound/soc/codecs/adau1781.c
new file mode 100644
index 0000000..08bad0b
--- /dev/null
+++ b/sound/soc/codecs/adau1781.c
@@ -0,0 +1,675 @@
+/*
+ * Driver for ADAU1781/ADAU1781 codec
+ *
+ * Copyright 2011-2013 Analog Devices Inc.
+ * Author: Lars-Peter Clausen <lars at metafoo.de>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/i2c.h>
+#include <linux/spi/spi.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/tlv.h>
+#include <linux/platform_data/adau17x1.h>
+
+#include "adau17x1.h"
+
+#define ADAU1781_DMIC_BEEP_CTRL 0x4008
+#define ADAU1781_LEFT_PGA 0x400e
+#define ADAU1781_RIGHT_PGA 0x400f
+#define ADAU1781_LEFT_PLAYBACK_MIXER 0x401c
+#define ADAU1781_RIGHT_PLAYBACK_MIXER 0x401e
+#define ADAU1781_MONO_PLAYBACK_MIXER 0x401f
+#define ADAU1781_LEFT_LINEOUT 0x4025
+#define ADAU1781_RIGHT_LINEOUT 0x4026
+#define ADAU1781_SPEAKER 0x4027
+#define ADAU1781_BEEP_ZC 0x4028
+#define ADAU1781_DEJITTER 0x4032
+#define ADAU1781_DIG_PWDN0 0x4080
+#define ADAU1781_DIG_PWDN1 0x4081
+
+#define ADAU1781_INPUT_DIFFERNTIAL BIT(3)
+
+#define ADAU1381_FIRMWARE "adau1381.bin"
+#define ADAU1781_FIRMWARE "adau1781.bin"
+
+static const struct reg_default adau1781_reg_defaults[] = {
+ { ADAU1781_DMIC_BEEP_CTRL, 0x00 },
+ { ADAU1781_LEFT_PGA, 0xc7 },
+ { ADAU1781_RIGHT_PGA, 0xc7 },
+ { ADAU1781_LEFT_PLAYBACK_MIXER, 0x00 },
+ { ADAU1781_RIGHT_PLAYBACK_MIXER, 0x00 },
+ { ADAU1781_MONO_PLAYBACK_MIXER, 0x00 },
+ { ADAU1781_LEFT_LINEOUT, 0x00 },
+ { ADAU1781_RIGHT_LINEOUT, 0x00 },
+ { ADAU1781_SPEAKER, 0x00 },
+ { ADAU1781_BEEP_ZC, 0x19 },
+ { ADAU1781_DEJITTER, 0x60 },
+ { ADAU1781_DIG_PWDN1, 0x0c },
+ { ADAU1781_DIG_PWDN1, 0x00 },
+ { ADAU17X1_CLOCK_CONTROL, 0x00 },
+ { ADAU17X1_PLL_CONTROL, 0x00 },
+ { ADAU17X1_REC_POWER_MGMT, 0x00 },
+ { ADAU17X1_MICBIAS, 0x04 },
+ { ADAU17X1_SERIAL_PORT0, 0x00 },
+ { ADAU17X1_SERIAL_PORT1, 0x00 },
+ { ADAU17X1_CONVERTER0, 0x00 },
+ { ADAU17X1_CONVERTER1, 0x00 },
+ { ADAU17X1_LEFT_INPUT_DIGITAL_VOL, 0x00 },
+ { ADAU17X1_RIGHT_INPUT_DIGITAL_VOL, 0x00 },
+ { ADAU17X1_ADC_CONTROL, 0x00 },
+ { ADAU17X1_PLAY_POWER_MGMT, 0x00 },
+ { ADAU17X1_DAC_CONTROL0, 0x00 },
+ { ADAU17X1_DAC_CONTROL1, 0x00 },
+ { ADAU17X1_DAC_CONTROL2, 0x00 },
+ { ADAU17X1_SERIAL_PORT_PAD, 0x00 },
+ { ADAU17X1_CONTROL_PORT_PAD0, 0x00 },
+ { ADAU17X1_CONTROL_PORT_PAD1, 0x00 },
+ { ADAU17X1_DSP_SAMPLING_RATE, 0x01 },
+ { ADAU17X1_SERIAL_INPUT_ROUTE, 0x00 },
+ { ADAU17X1_SERIAL_OUTPUT_ROUTE, 0x00 },
+ { ADAU17X1_DSP_ENABLE, 0x00 },
+ { ADAU17X1_DSP_RUN, 0x00 },
+ { ADAU17X1_SERIAL_SAMPLING_RATE, 0x00 },
+};
+
+static const DECLARE_TLV_DB_SCALE(adau1781_speaker_tlv, 0, 200, 0);
+
+static const unsigned int adau1781_pga_tlv[] = {
+ TLV_DB_RANGE_HEAD(4),
+ 0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
+ 2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0),
+ 4, 4, TLV_DB_SCALE_ITEM(1700, 0, 0),
+ 5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0),
+};
+
+static const unsigned int adau1781_beep_tlv[] = {
+ TLV_DB_RANGE_HEAD(4),
+ 0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
+ 2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0),
+ 4, 4, TLV_DB_SCALE_ITEM(-2300, 0, 0),
+ 5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0),
+};
+
+static const DECLARE_TLV_DB_SCALE(adau1781_sidetone_tlv, -1800, 300, 1);
+
+static const char * const adau1781_speaker_bias_select_text[] = {
+ "Normal operation", "Power saving", "Enhanced performance",
+};
+
+static const char * const adau1781_bias_select_text[] = {
+ "Normal operation", "Extreme power saving", "Power saving",
+ "Enhanced performance",
+};
+
+static const SOC_ENUM_SINGLE_DECL(adau1781_adc_bias_enum,
+ ADAU17X1_REC_POWER_MGMT, 3, adau1781_bias_select_text);
+static const SOC_ENUM_SINGLE_DECL(adau1781_speaker_bias_enum,
+ ADAU17X1_PLAY_POWER_MGMT, 6, adau1781_speaker_bias_select_text);
+static const SOC_ENUM_SINGLE_DECL(adau1781_dac_bias_enum,
+ ADAU17X1_PLAY_POWER_MGMT, 4, adau1781_bias_select_text);
+static const SOC_ENUM_SINGLE_DECL(adau1781_playback_bias_enum,
+ ADAU17X1_PLAY_POWER_MGMT, 2, adau1781_bias_select_text);
+static const SOC_ENUM_SINGLE_DECL(adau1781_capture_bias_enum,
+ ADAU17X1_REC_POWER_MGMT, 1, adau1781_bias_select_text);
+
+static const struct snd_kcontrol_new adau1781_controls[] = {
+ SOC_SINGLE_TLV("Beep Capture Volume", ADAU1781_DMIC_BEEP_CTRL, 0, 7, 0,
+ adau1781_beep_tlv),
+ SOC_DOUBLE_R_TLV("PGA Capture Volume", ADAU1781_LEFT_PGA,
+ ADAU1781_RIGHT_PGA, 5, 7, 0, adau1781_pga_tlv),
+ SOC_DOUBLE_R("PGA Capture Switch", ADAU1781_LEFT_PGA,
+ ADAU1781_RIGHT_PGA, 1, 1, 0),
+
+ SOC_DOUBLE_R("Lineout Playback Switch", ADAU1781_LEFT_LINEOUT,
+ ADAU1781_RIGHT_LINEOUT, 1, 1, 0),
+ SOC_SINGLE("Beep ZC Switch", ADAU1781_BEEP_ZC, 0, 1, 0),
+
+ SOC_SINGLE("Mono Playback Switch", ADAU1781_MONO_PLAYBACK_MIXER,
+ 0, 1, 0),
+ SOC_SINGLE_TLV("Mono Playback Volume", ADAU1781_SPEAKER, 6, 3, 0,
+ adau1781_speaker_tlv),
+
+ SOC_ENUM("ADC Bias", adau1781_adc_bias_enum),
+ SOC_ENUM("DAC Bias", adau1781_dac_bias_enum),
+ SOC_ENUM("Capture Bias", adau1781_capture_bias_enum),
+ SOC_ENUM("Playback Bias", adau1781_playback_bias_enum),
+ SOC_ENUM("Speaker Bias", adau1781_speaker_bias_enum),
+};
+
+static const struct snd_kcontrol_new adau1781_beep_mixer_controls[] = {
+ SOC_DAPM_SINGLE("Beep Capture Switch", ADAU1781_DMIC_BEEP_CTRL,
+ 3, 1, 0),
+};
+
+static const struct snd_kcontrol_new adau1781_left_mixer_controls[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("Switch",
+ ADAU1781_LEFT_PLAYBACK_MIXER, 5, 1, 0),
+ SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
+ ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv),
+};
+
+static const struct snd_kcontrol_new adau1781_right_mixer_controls[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("Switch",
+ ADAU1781_RIGHT_PLAYBACK_MIXER, 6, 1, 0),
+ SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
+ ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv),
+};
+
+static const struct snd_kcontrol_new adau1781_mono_mixer_controls[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("Left Switch",
+ ADAU1781_MONO_PLAYBACK_MIXER, 7, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("Right Switch",
+ ADAU1781_MONO_PLAYBACK_MIXER, 6, 1, 0),
+ SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
+ ADAU1781_MONO_PLAYBACK_MIXER, 2, 8, 0, adau1781_sidetone_tlv),
+};
+
+static int adau1781_dejitter_fixup(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = w->codec;
+ struct adau *adau = snd_soc_codec_get_drvdata(codec);
+
+ /* After any power changes have been made the dejitter circuit
+ * has to be reinitialized. */
+ regmap_write(adau->regmap, ADAU1781_DEJITTER, 0);
+ if (!adau->master)
+ regmap_write(adau->regmap, ADAU1781_DEJITTER, 5);
+
+ return 0;
+}
+
+static const struct snd_soc_dapm_widget adau1781_dapm_widgets[] = {
+ SND_SOC_DAPM_PGA("Left PGA", ADAU1781_LEFT_PGA, 0, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Right PGA", ADAU1781_RIGHT_PGA, 0, 0, NULL, 0),
+
+ SND_SOC_DAPM_OUT_DRV("Speaker", ADAU1781_SPEAKER, 0, 0, NULL, 0),
+
+ SOC_MIXER_NAMED_CTL_ARRAY("Beep Mixer", ADAU17X1_MICBIAS, 4, 0,
+ adau1781_beep_mixer_controls),
+
+ SOC_MIXER_ARRAY("Left Lineout Mixer", SND_SOC_NOPM, 0, 0,
+ adau1781_left_mixer_controls),
+ SOC_MIXER_ARRAY("Right Lineout Mixer", SND_SOC_NOPM, 0, 0,
+ adau1781_right_mixer_controls),
+ SOC_MIXER_ARRAY("Mono Mixer", SND_SOC_NOPM, 0, 0,
+ adau1781_mono_mixer_controls),
+
+ SND_SOC_DAPM_SUPPLY("Serial Input Routing", ADAU1781_DIG_PWDN0,
+ 2, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("Serial Output Routing", ADAU1781_DIG_PWDN0,
+ 3, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("Clock Domain Transfer", ADAU1781_DIG_PWDN0,
+ 5, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("Serial Ports", ADAU1781_DIG_PWDN0, 4, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("ADC Engine", ADAU1781_DIG_PWDN0, 7, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("DAC Engine", ADAU1781_DIG_PWDN1, 0, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("Digital Mic", ADAU1781_DIG_PWDN1, 1, 0, NULL, 0),
+
+ SND_SOC_DAPM_SUPPLY("Sound Engine", ADAU1781_DIG_PWDN0, 0, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, ADAU1781_DIG_PWDN0, 1, 0, NULL, 0),
+
+ SND_SOC_DAPM_SUPPLY("Zero Crossing Detector", ADAU1781_DIG_PWDN1, 2, 0,
+ NULL, 0),
+
+ SND_SOC_DAPM_POST("Dejitter fixup", adau1781_dejitter_fixup),
+
+ SND_SOC_DAPM_INPUT("BEEP"),
+
+ SND_SOC_DAPM_OUTPUT("AOUTL"),
+ SND_SOC_DAPM_OUTPUT("AOUTR"),
+ SND_SOC_DAPM_OUTPUT("SP"),
+ SND_SOC_DAPM_INPUT("LMIC"),
+ SND_SOC_DAPM_INPUT("RMIC"),
+};
+
+static const struct snd_soc_dapm_route adau1781_dapm_routes[] = {
+ { "Left Lineout Mixer", NULL, "Left Playback Enable" },
+ { "Right Lineout Mixer", NULL, "Right Playback Enable" },
+
+ { "Left Lineout Mixer", "Beep Playback Volume", "Beep Mixer" },
+ { "Left Lineout Mixer", "Switch", "Left DAC" },
+
+ { "Right Lineout Mixer", "Beep Playback Volume", "Beep Mixer" },
+ { "Right Lineout Mixer", "Switch", "Right DAC" },
+
+ { "Mono Mixer", "Beep Playback Volume", "Beep Mixer" },
+ { "Mono Mixer", "Right Switch", "Right DAC" },
+ { "Mono Mixer", "Left Switch", "Left DAC" },
+ { "Speaker", NULL, "Mono Mixer" },
+
+ { "Mono Mixer", NULL, "SYSCLK" },
+ { "Left Lineout Mixer", NULL, "SYSCLK" },
+ { "Left Lineout Mixer", NULL, "SYSCLK" },
+
+ { "Beep Mixer", "Beep Capture Switch", "BEEP" },
+ { "Beep Mixer", NULL, "Zero Crossing Detector" },
+
+ { "Left DAC", NULL, "DAC Engine" },
+ { "Right DAC", NULL, "DAC Engine" },
+
+ { "Sound Engine", NULL, "SYSCLK" },
+ { "DSP", NULL, "Sound Engine" },
+
+ { "AIFCLK", NULL, "SYSCLK" },
+
+ { "AIFIN", NULL, "Serial Input Routing" },
+ { "AIFIN", NULL, "Serial Ports" },
+ { "AIFIN", NULL, "Clock Domain Transfer" },
+ { "AIFOUT", NULL, "Serial Output Routing" },
+ { "AIFOUT", NULL, "Serial Ports" },
+ { "AIFOUT", NULL, "Clock Domain Transfer" },
+
+ { "AOUTL", NULL, "Left Lineout Mixer" },
+ { "AOUTR", NULL, "Right Lineout Mixer" },
+ { "SP", NULL, "Speaker" },
+};
+
+DECLARE_ADAU17X1_AIFOUT_MUX(adc, "ADC");
+
+static const struct snd_soc_dapm_route adau1781_adc_dapm_routes[] = {
+ { "Left PGA", NULL, "LMIC" },
+ { "Right PGA", NULL, "RMIC" },
+ { "Left ADC", NULL, "Left PGA" },
+ { "Right ADC", NULL, "Right PGA" },
+
+ { "Left ADC", NULL, "ADC Engine" },
+ { "Right ADC", NULL, "ADC Engine" },
+
+ { "AIFOUT Capture Mux", "ADC", "Left ADC" },
+ { "AIFOUT Capture Mux", "ADC", "Right ADC" },
+
+ { "DSP", NULL, "Left ADC" },
+ { "DSP", NULL, "Right ADC" },
+};
+
+static const char * const adau1781_dmic_select_text[] = {
+ "DMIC1", "DMIC2",
+};
+
+static const SOC_ENUM_SINGLE_DECL(adau1781_dmic_select_enum, 0, 0,
+ adau1781_dmic_select_text);
+
+static const struct snd_kcontrol_new adau1781_dmic_mux =
+ SOC_DAPM_ENUM_VIRT("DMIC Select", adau1781_dmic_select_enum);
+
+static const char * const adau1781_dmic_aifout_mux_text[] = {
+ "DMIC",
+ "DSP",
+};
+
+static const SOC_ENUM_SINGLE_DECL(adau1781_dmic_aifout_mux_enum,
+ ADAU17X1_SERIAL_OUTPUT_ROUTE, 0, adau1781_dmic_aifout_mux_text);
+
+static const struct snd_kcontrol_new adau1781_dmic_aifout_mux =
+ ADAU17X1_DSP_MUX_ENUM("AIFOUT Capture Mux",
+ adau1781_dmic_aifout_mux_enum);
+
+static const struct snd_soc_dapm_widget adau1781_dmic_dapm_widgets[] = {
+ SND_SOC_DAPM_VIRT_MUX("DMIC Select", SND_SOC_NOPM, 0, 0,
+ &adau1781_dmic_mux),
+
+ SND_SOC_DAPM_VIRT_MUX("AIFOUT Capture Mux", SND_SOC_NOPM, 0, 0,
+ &adau1781_dmic_aifout_mux),
+
+ SND_SOC_DAPM_ADC("DMIC1", NULL, ADAU1781_DMIC_BEEP_CTRL, 4, 0),
+ SND_SOC_DAPM_ADC("DMIC2", NULL, ADAU1781_DMIC_BEEP_CTRL, 5, 0),
+};
+
+static const struct snd_soc_dapm_route adau1781_dmic_dapm_routes[] = {
+ { "DMIC1", NULL, "LMIC" },
+ { "DMIC2", NULL, "RMIC" },
+
+ { "DMIC1", NULL, "Digital Mic" },
+ { "DMIC2", NULL, "Digital Mic" },
+ { "DMIC1", NULL, "ADC Engine" },
+ { "DMIC2", NULL, "ADC Engine" },
+
+ { "DMIC Select", "DMIC1", "DMIC1" },
+ { "DMIC Select", "DMIC2", "DMIC2" },
+
+ { "AIFOUT Capture Mux", "DMIC", "DMIC Select" },
+ { "DSP", NULL, "DMIC Select" },
+};
+
+static int adau1781_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ struct adau *adau = snd_soc_codec_get_drvdata(codec);
+
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ break;
+ case SND_SOC_BIAS_PREPARE:
+ break;
+ case SND_SOC_BIAS_STANDBY:
+ regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
+ ADAU17X1_CLOCK_CONTROL_SYSCLK_EN,
+ ADAU17X1_CLOCK_CONTROL_SYSCLK_EN);
+
+ /* Precharge */
+ regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0x8, 0x8);
+ break;
+ case SND_SOC_BIAS_OFF:
+ regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0xc, 0x0);
+ regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
+ ADAU17X1_CLOCK_CONTROL_SYSCLK_EN, 0);
+ break;
+ }
+
+ codec->dapm.bias_level = level;
+ return 0;
+}
+
+static bool adau1781_readable_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case ADAU1781_DMIC_BEEP_CTRL:
+ case ADAU1781_LEFT_PGA:
+ case ADAU1781_RIGHT_PGA:
+ case ADAU1781_LEFT_PLAYBACK_MIXER:
+ case ADAU1781_RIGHT_PLAYBACK_MIXER:
+ case ADAU1781_MONO_PLAYBACK_MIXER:
+ case ADAU1781_LEFT_LINEOUT:
+ case ADAU1781_RIGHT_LINEOUT:
+ case ADAU1781_SPEAKER:
+ case ADAU1781_BEEP_ZC:
+ case ADAU1781_DEJITTER:
+ case ADAU1781_DIG_PWDN0:
+ case ADAU1781_DIG_PWDN1:
+ return true;
+ default:
+ break;
+ }
+
+ return adau17x1_readable_register(dev, reg);
+}
+
+static int adau1781_set_input_mode(struct adau *adau, unsigned int reg,
+ bool differential)
+{
+ unsigned int val;
+
+ if (differential)
+ val = ADAU1781_INPUT_DIFFERNTIAL;
+ else
+ val = 0;
+
+ return regmap_update_bits(adau->regmap, reg,
+ ADAU1781_INPUT_DIFFERNTIAL, val);
+}
+
+static int adau1781_probe(struct snd_soc_codec *codec)
+{
+ struct adau1781_platform_data *pdata = dev_get_platdata(codec->dev);
+ struct adau *adau = snd_soc_codec_get_drvdata(codec);
+ const char *firmware;
+ int ret;
+
+ ret = adau17x1_probe(codec);
+ if (ret)
+ return ret;
+
+ if (pdata) {
+ ret = adau1781_set_input_mode(adau, ADAU1781_LEFT_PGA,
+ pdata->left_input_differential);
+ if (ret)
+ return ret;
+ ret = adau1781_set_input_mode(adau, ADAU1781_RIGHT_PGA,
+ pdata->right_input_differential);
+ if (ret)
+ return ret;
+ }
+
+ if (pdata && pdata->use_dmic) {
+ ret = snd_soc_dapm_new_controls(&codec->dapm,
+ adau1781_dmic_dapm_widgets,
+ ARRAY_SIZE(adau1781_dmic_dapm_widgets));
+ if (ret)
+ return ret;
+ ret = snd_soc_dapm_add_routes(&codec->dapm,
+ adau1781_dmic_dapm_routes,
+ ARRAY_SIZE(adau1781_dmic_dapm_routes));
+ if (ret)
+ return ret;
+ } else {
+ ret = snd_soc_dapm_new_controls(&codec->dapm,
+ &adau17x1_adc_dsp_widget, 1);
+ if (ret)
+ return ret;
+ ret = snd_soc_dapm_add_routes(&codec->dapm,
+ adau1781_adc_dapm_routes,
+ ARRAY_SIZE(adau1781_adc_dapm_routes));
+ if (ret)
+ return ret;
+ }
+
+ switch (adau->type) {
+ case ADAU1381:
+ firmware = ADAU1381_FIRMWARE;
+ break;
+ case ADAU1781:
+ firmware = ADAU1781_FIRMWARE;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ ret = adau17x1_add_routes(codec);
+ if (ret < 0)
+ return ret;
+
+ ret = adau17x1_load_firmware(adau, codec->dev, firmware);
+ if (ret)
+ dev_warn(codec->dev, "Failed to load firmware\n");
+
+ return 0;
+}
+
+static struct snd_soc_codec_driver adau1781_codec_driver = {
+ .probe = adau1781_probe,
+ .remove = adau17x1_suspend,
+ .suspend = adau17x1_suspend,
+ .resume = adau17x1_resume,
+ .set_bias_level = adau1781_set_bias_level,
+
+ .controls = adau1781_controls,
+ .num_controls = ARRAY_SIZE(adau1781_controls),
+ .dapm_widgets = adau1781_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(adau1781_dapm_widgets),
+ .dapm_routes = adau1781_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(adau1781_dapm_routes),
+};
+
+#define ADAU1781_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
+ SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_driver adau1781_dai_driver = {
+ .name = "adau-hifi",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 2,
+ .channels_max = 8,
+ .rates = SNDRV_PCM_RATE_8000_96000,
+ .formats = ADAU1781_FORMATS,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 2,
+ .channels_max = 8,
+ .rates = SNDRV_PCM_RATE_8000_96000,
+ .formats = ADAU1781_FORMATS,
+ },
+ .ops = &adau17x1_dai_ops,
+};
+
+#if IS_ENABLED(CONFIG_SPI_MASTER)
+
+static const struct regmap_config adau1781_spi_regmap_config = {
+ .val_bits = 8,
+ .reg_bits = 24,
+ .read_flag_mask = 0x01,
+ .max_register = 0x40f8,
+ .reg_defaults = adau1781_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(adau1781_reg_defaults),
+ .readable_reg = adau1781_readable_register,
+ .volatile_reg = adau17x1_volatile_register,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static int adau1781_spi_probe(struct spi_device *spi)
+{
+ struct regmap *regmap;
+ enum adau17x1_type type = spi_get_device_id(spi)->driver_data;
+ int ret;
+
+ regmap = devm_regmap_init_spi(spi, &adau1781_spi_regmap_config);
+
+ ret = adau17x1_bus_probe(&spi->dev, regmap, type, true);
+ if (ret)
+ return ret;
+
+ return snd_soc_register_codec(&spi->dev, &adau1781_codec_driver,
+ &adau1781_dai_driver, 1);
+}
+
+static int adau1781_spi_remove(struct spi_device *spi)
+{
+ snd_soc_unregister_codec(&spi->dev);
+ return 0;
+}
+
+static const struct spi_device_id adau1781_spi_id[] = {
+ { "adau1381", ADAU1381 },
+ { "adau1781", ADAU1781 },
+ { }
+};
+MODULE_DEVICE_TABLE(spi, adau1781_spi_id);
+
+static struct spi_driver adau1781_spi_driver = {
+ .driver = {
+ .name = "adau1781",
+ .owner = THIS_MODULE,
+ },
+ .probe = adau1781_spi_probe,
+ .remove = adau1781_spi_remove,
+ .id_table = adau1781_spi_id,
+};
+
+static int __init adau1781_spi_register_driver(void)
+{
+ return spi_register_driver(&adau1781_spi_driver);
+}
+
+static void adau1781_spi_unregister_driver(void)
+{
+ spi_unregister_driver(&adau1781_spi_driver);
+}
+
+#else
+static int adau1781_spi_register_driver(void) { return 0; }
+static void adau1781_spi_unregister_driver(void) {}
+#endif
+
+#if IS_ENABLED(CONFIG_I2C)
+
+static const struct regmap_config adau1781_i2c_regmap_config = {
+ .val_bits = 8,
+ .reg_bits = 16,
+ .max_register = 0x40f8,
+ .reg_defaults = adau1781_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(adau1781_reg_defaults),
+ .readable_reg = adau1781_readable_register,
+ .volatile_reg = adau17x1_volatile_register,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static int adau1781_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct regmap *regmap;
+ enum adau17x1_type type = id->driver_data;
+ int ret;
+
+ regmap = devm_regmap_init_i2c(client, &adau1781_i2c_regmap_config);
+
+ ret = adau17x1_bus_probe(&client->dev, regmap, type, false);
+ if (ret)
+ return ret;
+
+ return snd_soc_register_codec(&client->dev, &adau1781_codec_driver,
+ &adau1781_dai_driver, 1);
+}
+
+static int adau1781_i2c_remove(struct i2c_client *client)
+{
+ snd_soc_unregister_codec(&client->dev);
+ return 0;
+}
+
+static const struct i2c_device_id adau1781_i2c_id[] = {
+ { "adau1381", ADAU1381 },
+ { "adau1781", ADAU1781 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, adau1781_i2c_id);
+
+static struct i2c_driver adau1781_i2c_driver = {
+ .driver = {
+ .name = "adau1781",
+ .owner = THIS_MODULE,
+ },
+ .probe = adau1781_i2c_probe,
+ .remove = adau1781_i2c_remove,
+ .id_table = adau1781_i2c_id,
+};
+
+static int __init adau1781_i2c_register_driver(void)
+{
+ return i2c_add_driver(&adau1781_i2c_driver);
+}
+
+static void __exit adau1781_i2c_unregister_driver(void)
+{
+ i2c_del_driver(&adau1781_i2c_driver);
+}
+
+#else
+static int adau1781_i2c_register_driver(void) { return 0; }
+static void adau1781_i2c_unregister_driver(void) {}
+#endif
+
+static int __init adau1781_init(void)
+{
+ int ret = 0;
+
+ ret = adau1781_spi_register_driver();
+ if (ret)
+ return ret;
+
+ ret = adau1781_i2c_register_driver();
+ if (ret)
+ adau1781_spi_unregister_driver();
+
+ return ret;
+}
+module_init(adau1781_init);
+
+static void __exit adau1781_exit(void)
+{
+ adau1781_i2c_unregister_driver();
+ adau1781_spi_unregister_driver();
+}
+module_exit(adau1781_exit);
+
+MODULE_DESCRIPTION("ASoC ADAU1381/ADAU1781 driver");
+MODULE_AUTHOR("Lars-Peter Clausen <lars at metafoo.de>");
+MODULE_LICENSE("GPL");
--
1.8.0
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