Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1032 insertions, 0 deletions

diff --git a/sound/soc/codecs/adau17x1.c b/sound/soc/codecs/adau17x1.c
new file mode 100644
index 000000000..57169b8ff
--- /dev/null
+++ b/sound/soc/codecs/adau17x1.c
@@ -0,0 +1,1032 @@
+/*
+ * Common code for ADAU1X61 and ADAU1X81 codecs
+ *
+ * Copyright 2011-2014 Analog Devices Inc.
+ * Author: Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/delay.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/gcd.h>
+#include <linux/i2c.h>
+#include <linux/spi/spi.h>
+#include <linux/regmap.h>
+
+#include "sigmadsp.h"
+#include "adau17x1.h"
+#include "adau-utils.h"
+
+static const char * const adau17x1_capture_mixer_boost_text[] = {
+	"Normal operation", "Boost Level 1", "Boost Level 2", "Boost Level 3",
+};
+
+static SOC_ENUM_SINGLE_DECL(adau17x1_capture_boost_enum,
+	ADAU17X1_REC_POWER_MGMT, 5, adau17x1_capture_mixer_boost_text);
+
+static const char * const adau17x1_mic_bias_mode_text[] = {
+	"Normal operation", "High performance",
+};
+
+static SOC_ENUM_SINGLE_DECL(adau17x1_mic_bias_mode_enum,
+	ADAU17X1_MICBIAS, 3, adau17x1_mic_bias_mode_text);
+
+static const DECLARE_TLV_DB_MINMAX(adau17x1_digital_tlv, -9563, 0);
+
+static const struct snd_kcontrol_new adau17x1_controls[] = {
+	SOC_DOUBLE_R_TLV("Digital Capture Volume",
+		ADAU17X1_LEFT_INPUT_DIGITAL_VOL,
+		ADAU17X1_RIGHT_INPUT_DIGITAL_VOL,
+		0, 0xff, 1, adau17x1_digital_tlv),
+	SOC_DOUBLE_R_TLV("Digital Playback Volume", ADAU17X1_DAC_CONTROL1,
+		ADAU17X1_DAC_CONTROL2, 0, 0xff, 1, adau17x1_digital_tlv),
+
+	SOC_SINGLE("ADC High Pass Filter Switch", ADAU17X1_ADC_CONTROL,
+		5, 1, 0),
+	SOC_SINGLE("Playback De-emphasis Switch", ADAU17X1_DAC_CONTROL0,
+		2, 1, 0),
+
+	SOC_ENUM("Capture Boost", adau17x1_capture_boost_enum),
+
+	SOC_ENUM("Mic Bias Mode", adau17x1_mic_bias_mode_enum),
+};
+
+static int adau17x1_pll_event(struct snd_soc_dapm_widget *w,
+	struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+	struct adau *adau = snd_soc_component_get_drvdata(component);
+
+	if (SND_SOC_DAPM_EVENT_ON(event)) {
+		adau->pll_regs[5] = 1;
+	} else {
+		adau->pll_regs[5] = 0;
+		/* Bypass the PLL when disabled, otherwise registers will become
+		 * inaccessible. */
+		regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
+			ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL, 0);
+	}
+
+	/* The PLL register is 6 bytes long and can only be written at once. */
+	regmap_raw_write(adau->regmap, ADAU17X1_PLL_CONTROL,
+			adau->pll_regs, ARRAY_SIZE(adau->pll_regs));
+
+	if (SND_SOC_DAPM_EVENT_ON(event)) {
+		mdelay(5);
+		regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
+			ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL,
+			ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL);
+	}
+
+	return 0;
+}
+
+static int adau17x1_adc_fixup(struct snd_soc_dapm_widget *w,
+	struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+	struct adau *adau = snd_soc_component_get_drvdata(component);
+
+	/*
+	 * If we are capturing, toggle the ADOSR bit in Converter Control 0 to
+	 * avoid losing SNR (workaround from ADI). This must be done after
+	 * the ADC(s) have been enabled. According to the data sheet, it is
+	 * normally illegal to set this bit when the sampling rate is 96 kHz,
+	 * but according to ADI it is acceptable for this workaround.
+	 */
+	regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
+		ADAU17X1_CONVERTER0_ADOSR, ADAU17X1_CONVERTER0_ADOSR);
+	regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
+		ADAU17X1_CONVERTER0_ADOSR, 0);
+
+	return 0;
+}
+
+static const char * const adau17x1_mono_stereo_text[] = {
+	"Stereo",
+	"Mono Left Channel (L+R)",
+	"Mono Right Channel (L+R)",
+	"Mono (L+R)",
+};
+
+static SOC_ENUM_SINGLE_DECL(adau17x1_dac_mode_enum,
+	ADAU17X1_DAC_CONTROL0, 6, adau17x1_mono_stereo_text);
+
+static const struct snd_kcontrol_new adau17x1_dac_mode_mux =
+	SOC_DAPM_ENUM("DAC Mono-Stereo-Mode", adau17x1_dac_mode_enum);
+
+static const struct snd_soc_dapm_widget adau17x1_dapm_widgets[] = {
+	SND_SOC_DAPM_SUPPLY_S("PLL", 3, SND_SOC_NOPM, 0, 0, adau17x1_pll_event,
+		SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+	SND_SOC_DAPM_SUPPLY("AIFCLK", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+	SND_SOC_DAPM_SUPPLY("MICBIAS", ADAU17X1_MICBIAS, 0, 0, NULL, 0),
+
+	SND_SOC_DAPM_SUPPLY("Left Playback Enable", ADAU17X1_PLAY_POWER_MGMT,
+		0, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("Right Playback Enable", ADAU17X1_PLAY_POWER_MGMT,
+		1, 0, NULL, 0),
+
+	SND_SOC_DAPM_MUX("Left DAC Mode Mux", SND_SOC_NOPM, 0, 0,
+		&adau17x1_dac_mode_mux),
+	SND_SOC_DAPM_MUX("Right DAC Mode Mux", SND_SOC_NOPM, 0, 0,
+		&adau17x1_dac_mode_mux),
+
+	SND_SOC_DAPM_ADC_E("Left Decimator", NULL, ADAU17X1_ADC_CONTROL, 0, 0,
+			   adau17x1_adc_fixup, SND_SOC_DAPM_POST_PMU),
+	SND_SOC_DAPM_ADC("Right Decimator", NULL, ADAU17X1_ADC_CONTROL, 1, 0),
+	SND_SOC_DAPM_DAC("Left DAC", NULL, ADAU17X1_DAC_CONTROL0, 0, 0),
+	SND_SOC_DAPM_DAC("Right DAC", NULL, ADAU17X1_DAC_CONTROL0, 1, 0),
+};
+
+static const struct snd_soc_dapm_route adau17x1_dapm_routes[] = {
+	{ "Left Decimator", NULL, "SYSCLK" },
+	{ "Right Decimator", NULL, "SYSCLK" },
+	{ "Left DAC", NULL, "SYSCLK" },
+	{ "Right DAC", NULL, "SYSCLK" },
+	{ "Capture", NULL, "SYSCLK" },
+	{ "Playback", NULL, "SYSCLK" },
+
+	{ "Left DAC", NULL, "Left DAC Mode Mux" },
+	{ "Right DAC", NULL, "Right DAC Mode Mux" },
+
+	{ "Capture", NULL, "AIFCLK" },
+	{ "Playback", NULL, "AIFCLK" },
+};
+
+static const struct snd_soc_dapm_route adau17x1_dapm_pll_route = {
+	"SYSCLK", NULL, "PLL",
+};
+
+/*
+ * The MUX register for the Capture and Playback MUXs selects either DSP as
+ * source/destination or one of the TDM slots. The TDM slot is selected via
+ * snd_soc_dai_set_tdm_slot(), so we only expose whether to go to the DSP or
+ * directly to the DAI interface with this control.
+ */
+static int adau17x1_dsp_mux_enum_put(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
+	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
+	struct adau *adau = snd_soc_component_get_drvdata(component);
+	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+	struct snd_soc_dapm_update update = {};
+	unsigned int stream = e->shift_l;
+	unsigned int val, change;
+	int reg;
+
+	if (ucontrol->value.enumerated.item[0] >= e->items)
+		return -EINVAL;
+
+	switch (ucontrol->value.enumerated.item[0]) {
+	case 0:
+		val = 0;
+		adau->dsp_bypass[stream] = false;
+		break;
+	default:
+		val = (adau->tdm_slot[stream] * 2) + 1;
+		adau->dsp_bypass[stream] = true;
+		break;
+	}
+
+	if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+		reg = ADAU17X1_SERIAL_INPUT_ROUTE;
+	else
+		reg = ADAU17X1_SERIAL_OUTPUT_ROUTE;
+
+	change = snd_soc_component_test_bits(component, reg, 0xff, val);
+	if (change) {
+		update.kcontrol = kcontrol;
+		update.mask = 0xff;
+		update.reg = reg;
+		update.val = val;
+
+		snd_soc_dapm_mux_update_power(dapm, kcontrol,
+				ucontrol->value.enumerated.item[0], e, &update);
+	}
+
+	return change;
+}
+
+static int adau17x1_dsp_mux_enum_get(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
+	struct adau *adau = snd_soc_component_get_drvdata(component);
+	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+	unsigned int stream = e->shift_l;
+	unsigned int reg, val;
+	int ret;
+
+	if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+		reg = ADAU17X1_SERIAL_INPUT_ROUTE;
+	else
+		reg = ADAU17X1_SERIAL_OUTPUT_ROUTE;
+
+	ret = regmap_read(adau->regmap, reg, &val);
+	if (ret)
+		return ret;
+
+	if (val != 0)
+		val = 1;
+	ucontrol->value.enumerated.item[0] = val;
+
+	return 0;
+}
+
+#define DECLARE_ADAU17X1_DSP_MUX_CTRL(_name, _label, _stream, _text) \
+	const struct snd_kcontrol_new _name = \
+		SOC_DAPM_ENUM_EXT(_label, (const struct soc_enum)\
+			SOC_ENUM_SINGLE(SND_SOC_NOPM, _stream, \
+				ARRAY_SIZE(_text), _text), \
+			adau17x1_dsp_mux_enum_get, adau17x1_dsp_mux_enum_put)
+
+static const char * const adau17x1_dac_mux_text[] = {
+	"DSP",
+	"AIFIN",
+};
+
+static const char * const adau17x1_capture_mux_text[] = {
+	"DSP",
+	"Decimator",
+};
+
+static DECLARE_ADAU17X1_DSP_MUX_CTRL(adau17x1_dac_mux, "DAC Playback Mux",
+	SNDRV_PCM_STREAM_PLAYBACK, adau17x1_dac_mux_text);
+
+static DECLARE_ADAU17X1_DSP_MUX_CTRL(adau17x1_capture_mux, "Capture Mux",
+	SNDRV_PCM_STREAM_CAPTURE, adau17x1_capture_mux_text);
+
+static const struct snd_soc_dapm_widget adau17x1_dsp_dapm_widgets[] = {
+	SND_SOC_DAPM_PGA("DSP", ADAU17X1_DSP_RUN, 0, 0, NULL, 0),
+	SND_SOC_DAPM_SIGGEN("DSP Siggen"),
+
+	SND_SOC_DAPM_MUX("DAC Playback Mux", SND_SOC_NOPM, 0, 0,
+		&adau17x1_dac_mux),
+	SND_SOC_DAPM_MUX("Capture Mux", SND_SOC_NOPM, 0, 0,
+		&adau17x1_capture_mux),
+};
+
+static const struct snd_soc_dapm_route adau17x1_dsp_dapm_routes[] = {
+	{ "DAC Playback Mux", "DSP", "DSP" },
+	{ "DAC Playback Mux", "AIFIN", "Playback" },
+
+	{ "Left DAC Mode Mux", "Stereo", "DAC Playback Mux" },
+	{ "Left DAC Mode Mux", "Mono (L+R)", "DAC Playback Mux" },
+	{ "Left DAC Mode Mux", "Mono Left Channel (L+R)", "DAC Playback Mux" },
+	{ "Right DAC Mode Mux", "Stereo", "DAC Playback Mux" },
+	{ "Right DAC Mode Mux", "Mono (L+R)", "DAC Playback Mux" },
+	{ "Right DAC Mode Mux", "Mono Right Channel (L+R)", "DAC Playback Mux" },
+
+	{ "Capture Mux", "DSP", "DSP" },
+	{ "Capture Mux", "Decimator", "Left Decimator" },
+	{ "Capture Mux", "Decimator", "Right Decimator" },
+
+	{ "Capture", NULL, "Capture Mux" },
+
+	{ "DSP", NULL, "DSP Siggen" },
+
+	{ "DSP", NULL, "Left Decimator" },
+	{ "DSP", NULL, "Right Decimator" },
+	{ "DSP", NULL, "Playback" },
+};
+
+static const struct snd_soc_dapm_route adau17x1_no_dsp_dapm_routes[] = {
+	{ "Left DAC Mode Mux", "Stereo", "Playback" },
+	{ "Left DAC Mode Mux", "Mono (L+R)", "Playback" },
+	{ "Left DAC Mode Mux", "Mono Left Channel (L+R)", "Playback" },
+	{ "Right DAC Mode Mux", "Stereo", "Playback" },
+	{ "Right DAC Mode Mux", "Mono (L+R)", "Playback" },
+	{ "Right DAC Mode Mux", "Mono Right Channel (L+R)", "Playback" },
+	{ "Capture", NULL, "Left Decimator" },
+	{ "Capture", NULL, "Right Decimator" },
+};
+
+bool adau17x1_has_dsp(struct adau *adau)
+{
+	switch (adau->type) {
+	case ADAU1761:
+	case ADAU1381:
+	case ADAU1781:
+		return true;
+	default:
+		return false;
+	}
+}
+EXPORT_SYMBOL_GPL(adau17x1_has_dsp);
+
+static int adau17x1_set_dai_pll(struct snd_soc_dai *dai, int pll_id,
+	int source, unsigned int freq_in, unsigned int freq_out)
+{
+	struct snd_soc_component *component = dai->component;
+	struct adau *adau = snd_soc_component_get_drvdata(component);
+	int ret;
+
+	if (freq_in < 8000000 || freq_in > 27000000)
+		return -EINVAL;
+
+	ret = adau_calc_pll_cfg(freq_in, freq_out, adau->pll_regs);
+	if (ret < 0)
+		return ret;
+
+	/* The PLL register is 6 bytes long and can only be written at once. */
+	ret = regmap_raw_write(adau->regmap, ADAU17X1_PLL_CONTROL,
+			adau->pll_regs, ARRAY_SIZE(adau->pll_regs));
+	if (ret)
+		return ret;
+
+	adau->pll_freq = freq_out;
+
+	return 0;
+}
+
+static int adau17x1_set_dai_sysclk(struct snd_soc_dai *dai,
+		int clk_id, unsigned int freq, int dir)
+{
+	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(dai->component);
+	struct adau *adau = snd_soc_component_get_drvdata(dai->component);
+	bool is_pll;
+	bool was_pll;
+
+	switch (clk_id) {
+	case ADAU17X1_CLK_SRC_MCLK:
+		is_pll = false;
+		break;
+	case ADAU17X1_CLK_SRC_PLL_AUTO:
+		if (!adau->mclk)
+			return -EINVAL;
+		/* Fall-through */
+	case ADAU17X1_CLK_SRC_PLL:
+		is_pll = true;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (adau->clk_src) {
+	case ADAU17X1_CLK_SRC_MCLK:
+		was_pll = false;
+		break;
+	case ADAU17X1_CLK_SRC_PLL:
+	case ADAU17X1_CLK_SRC_PLL_AUTO:
+		was_pll = true;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	adau->sysclk = freq;
+
+	if (is_pll != was_pll) {
+		if (is_pll) {
+			snd_soc_dapm_add_routes(dapm,
+				&adau17x1_dapm_pll_route, 1);
+		} else {
+			snd_soc_dapm_del_routes(dapm,
+				&adau17x1_dapm_pll_route, 1);
+		}
+	}
+
+	adau->clk_src = clk_id;
+
+	return 0;
+}
+
+static int adau17x1_auto_pll(struct snd_soc_dai *dai,
+	struct snd_pcm_hw_params *params)
+{
+	struct adau *adau = snd_soc_dai_get_drvdata(dai);
+	unsigned int pll_rate;
+
+	switch (params_rate(params)) {
+	case 48000:
+	case 8000:
+	case 12000:
+	case 16000:
+	case 24000:
+	case 32000:
+	case 96000:
+		pll_rate = 48000 * 1024;
+		break;
+	case 44100:
+	case 7350:
+	case 11025:
+	case 14700:
+	case 22050:
+	case 29400:
+	case 88200:
+		pll_rate = 44100 * 1024;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return adau17x1_set_dai_pll(dai, ADAU17X1_PLL, ADAU17X1_PLL_SRC_MCLK,
+		clk_get_rate(adau->mclk), pll_rate);
+}
+
+static int adau17x1_hw_params(struct snd_pcm_substream *substream,
+	struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
+{
+	struct snd_soc_component *component = dai->component;
+	struct adau *adau = snd_soc_component_get_drvdata(component);
+	unsigned int val, div, dsp_div;
+	unsigned int freq;
+	int ret;
+
+	switch (adau->clk_src) {
+	case ADAU17X1_CLK_SRC_PLL_AUTO:
+		ret = adau17x1_auto_pll(dai, params);
+		if (ret)
+			return ret;
+		/* Fall-through */
+	case ADAU17X1_CLK_SRC_PLL:
+		freq = adau->pll_freq;
+		break;
+	default:
+		freq = adau->sysclk;
+		break;
+	}
+
+	if (freq % params_rate(params) != 0)
+		return -EINVAL;
+
+	switch (freq / params_rate(params)) {
+	case 1024: /* fs */
+		div = 0;
+		dsp_div = 1;
+		break;
+	case 6144: /* fs / 6 */
+		div = 1;
+		dsp_div = 6;
+		break;
+	case 4096: /* fs / 4 */
+		div = 2;
+		dsp_div = 5;
+		break;
+	case 3072: /* fs / 3 */
+		div = 3;
+		dsp_div = 4;
+		break;
+	case 2048: /* fs / 2 */
+		div = 4;
+		dsp_div = 3;
+		break;
+	case 1536: /* fs / 1.5 */
+		div = 5;
+		dsp_div = 2;
+		break;
+	case 512: /* fs / 0.5 */
+		div = 6;
+		dsp_div = 0;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
+		ADAU17X1_CONVERTER0_CONVSR_MASK, div);
+	if (adau17x1_has_dsp(adau)) {
+		regmap_write(adau->regmap, ADAU17X1_SERIAL_SAMPLING_RATE, div);
+		regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, dsp_div);
+	}
+
+	if (adau->sigmadsp) {
+		ret = adau17x1_setup_firmware(component, params_rate(params));
+		if (ret < 0)
+			return ret;
+	}
+
+	if (adau->dai_fmt != SND_SOC_DAIFMT_RIGHT_J)
+		return 0;
+
+	switch (params_width(params)) {
+	case 16:
+		val = ADAU17X1_SERIAL_PORT1_DELAY16;
+		break;
+	case 24:
+		val = ADAU17X1_SERIAL_PORT1_DELAY8;
+		break;
+	case 32:
+		val = ADAU17X1_SERIAL_PORT1_DELAY0;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT1,
+			ADAU17X1_SERIAL_PORT1_DELAY_MASK, val);
+}
+
+static int adau17x1_set_dai_fmt(struct snd_soc_dai *dai,
+		unsigned int fmt)
+{
+	struct adau *adau = snd_soc_component_get_drvdata(dai->component);
+	unsigned int ctrl0, ctrl1;
+	int lrclk_pol;
+
+	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+	case SND_SOC_DAIFMT_CBM_CFM:
+		ctrl0 = ADAU17X1_SERIAL_PORT0_MASTER;
+		adau->master = true;
+		break;
+	case SND_SOC_DAIFMT_CBS_CFS:
+		ctrl0 = 0;
+		adau->master = false;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		lrclk_pol = 0;
+		ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY1;
+		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+	case SND_SOC_DAIFMT_RIGHT_J:
+		lrclk_pol = 1;
+		ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY0;
+		break;
+	case SND_SOC_DAIFMT_DSP_A:
+		lrclk_pol = 1;
+		ctrl0 |= ADAU17X1_SERIAL_PORT0_PULSE_MODE;
+		ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY1;
+		break;
+	case SND_SOC_DAIFMT_DSP_B:
+		lrclk_pol = 1;
+		ctrl0 |= ADAU17X1_SERIAL_PORT0_PULSE_MODE;
+		ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY0;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+	case SND_SOC_DAIFMT_NB_NF:
+		break;
+	case SND_SOC_DAIFMT_IB_NF:
+		ctrl0 |= ADAU17X1_SERIAL_PORT0_BCLK_POL;
+		break;
+	case SND_SOC_DAIFMT_NB_IF:
+		lrclk_pol = !lrclk_pol;
+		break;
+	case SND_SOC_DAIFMT_IB_IF:
+		ctrl0 |= ADAU17X1_SERIAL_PORT0_BCLK_POL;
+		lrclk_pol = !lrclk_pol;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (lrclk_pol)
+		ctrl0 |= ADAU17X1_SERIAL_PORT0_LRCLK_POL;
+
+	regmap_write(adau->regmap, ADAU17X1_SERIAL_PORT0, ctrl0);
+	regmap_write(adau->regmap, ADAU17X1_SERIAL_PORT1, ctrl1);
+
+	adau->dai_fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
+
+	return 0;
+}
+
+static int adau17x1_set_dai_tdm_slot(struct snd_soc_dai *dai,
+	unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
+{
+	struct adau *adau = snd_soc_component_get_drvdata(dai->component);
+	unsigned int ser_ctrl0, ser_ctrl1;
+	unsigned int conv_ctrl0, conv_ctrl1;
+
+	/* I2S mode */
+	if (slots == 0) {
+		slots = 2;
+		rx_mask = 3;
+		tx_mask = 3;
+		slot_width = 32;
+	}
+
+	switch (slots) {
+	case 2:
+		ser_ctrl0 = ADAU17X1_SERIAL_PORT0_STEREO;
+		break;
+	case 4:
+		ser_ctrl0 = ADAU17X1_SERIAL_PORT0_TDM4;
+		break;
+	case 8:
+		if (adau->type == ADAU1361)
+			return -EINVAL;
+
+		ser_ctrl0 = ADAU17X1_SERIAL_PORT0_TDM8;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (slot_width * slots) {
+	case 32:
+		if (adau->type == ADAU1761)
+			return -EINVAL;
+
+		ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK32;
+		break;
+	case 64:
+		ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK64;
+		break;
+	case 48:
+		ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK48;
+		break;
+	case 128:
+		ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK128;
+		break;
+	case 256:
+		if (adau->type == ADAU1361)
+			return -EINVAL;
+
+		ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK256;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (rx_mask) {
+	case 0x03:
+		conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(1);
+		adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 0;
+		break;
+	case 0x0c:
+		conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(2);
+		adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 1;
+		break;
+	case 0x30:
+		conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(3);
+		adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 2;
+		break;
+	case 0xc0:
+		conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(4);
+		adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 3;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	switch (tx_mask) {
+	case 0x03:
+		conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(1);
+		adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 0;
+		break;
+	case 0x0c:
+		conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(2);
+		adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 1;
+		break;
+	case 0x30:
+		conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(3);
+		adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 2;
+		break;
+	case 0xc0:
+		conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(4);
+		adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 3;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
+		ADAU17X1_CONVERTER0_DAC_PAIR_MASK, conv_ctrl0);
+	regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER1,
+		ADAU17X1_CONVERTER1_ADC_PAIR_MASK, conv_ctrl1);
+	regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT0,
+		ADAU17X1_SERIAL_PORT0_TDM_MASK, ser_ctrl0);
+	regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT1,
+		ADAU17X1_SERIAL_PORT1_BCLK_MASK, ser_ctrl1);
+
+	if (!adau17x1_has_dsp(adau))
+		return 0;
+
+	if (adau->dsp_bypass[SNDRV_PCM_STREAM_PLAYBACK]) {
+		regmap_write(adau->regmap, ADAU17X1_SERIAL_INPUT_ROUTE,
+			(adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] * 2) + 1);
+	}
+
+	if (adau->dsp_bypass[SNDRV_PCM_STREAM_CAPTURE]) {
+		regmap_write(adau->regmap, ADAU17X1_SERIAL_OUTPUT_ROUTE,
+			(adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] * 2) + 1);
+	}
+
+	return 0;
+}
+
+static int adau17x1_startup(struct snd_pcm_substream *substream,
+	struct snd_soc_dai *dai)
+{
+	struct adau *adau = snd_soc_component_get_drvdata(dai->component);
+
+	if (adau->sigmadsp)
+		return sigmadsp_restrict_params(adau->sigmadsp, substream);
+
+	return 0;
+}
+
+const struct snd_soc_dai_ops adau17x1_dai_ops = {
+	.hw_params	= adau17x1_hw_params,
+	.set_sysclk	= adau17x1_set_dai_sysclk,
+	.set_fmt	= adau17x1_set_dai_fmt,
+	.set_pll	= adau17x1_set_dai_pll,
+	.set_tdm_slot	= adau17x1_set_dai_tdm_slot,
+	.startup	= adau17x1_startup,
+};
+EXPORT_SYMBOL_GPL(adau17x1_dai_ops);
+
+int adau17x1_set_micbias_voltage(struct snd_soc_component *component,
+	enum adau17x1_micbias_voltage micbias)
+{
+	struct adau *adau = snd_soc_component_get_drvdata(component);
+
+	switch (micbias) {
+	case ADAU17X1_MICBIAS_0_90_AVDD:
+	case ADAU17X1_MICBIAS_0_65_AVDD:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return regmap_write(adau->regmap, ADAU17X1_MICBIAS, micbias << 2);
+}
+EXPORT_SYMBOL_GPL(adau17x1_set_micbias_voltage);
+
+bool adau17x1_precious_register(struct device *dev, unsigned int reg)
+{
+	/* SigmaDSP parameter memory */
+	if (reg < 0x400)
+		return true;
+
+	return false;
+}
+EXPORT_SYMBOL_GPL(adau17x1_precious_register);
+
+bool adau17x1_readable_register(struct device *dev, unsigned int reg)
+{
+	/* SigmaDSP parameter memory */
+	if (reg < 0x400)
+		return true;
+
+	switch (reg) {
+	case ADAU17X1_CLOCK_CONTROL:
+	case ADAU17X1_PLL_CONTROL:
+	case ADAU17X1_REC_POWER_MGMT:
+	case ADAU17X1_MICBIAS:
+	case ADAU17X1_SERIAL_PORT0:
+	case ADAU17X1_SERIAL_PORT1:
+	case ADAU17X1_CONVERTER0:
+	case ADAU17X1_CONVERTER1:
+	case ADAU17X1_LEFT_INPUT_DIGITAL_VOL:
+	case ADAU17X1_RIGHT_INPUT_DIGITAL_VOL:
+	case ADAU17X1_ADC_CONTROL:
+	case ADAU17X1_PLAY_POWER_MGMT:
+	case ADAU17X1_DAC_CONTROL0:
+	case ADAU17X1_DAC_CONTROL1:
+	case ADAU17X1_DAC_CONTROL2:
+	case ADAU17X1_SERIAL_PORT_PAD:
+	case ADAU17X1_CONTROL_PORT_PAD0:
+	case ADAU17X1_CONTROL_PORT_PAD1:
+	case ADAU17X1_DSP_SAMPLING_RATE:
+	case ADAU17X1_SERIAL_INPUT_ROUTE:
+	case ADAU17X1_SERIAL_OUTPUT_ROUTE:
+	case ADAU17X1_DSP_ENABLE:
+	case ADAU17X1_DSP_RUN:
+	case ADAU17X1_SERIAL_SAMPLING_RATE:
+		return true;
+	default:
+		break;
+	}
+	return false;
+}
+EXPORT_SYMBOL_GPL(adau17x1_readable_register);
+
+bool adau17x1_volatile_register(struct device *dev, unsigned int reg)
+{
+	/* SigmaDSP parameter and program memory */
+	if (reg < 0x4000)
+		return true;
+
+	switch (reg) {
+	/* The PLL register is 6 bytes long */
+	case ADAU17X1_PLL_CONTROL:
+	case ADAU17X1_PLL_CONTROL + 1:
+	case ADAU17X1_PLL_CONTROL + 2:
+	case ADAU17X1_PLL_CONTROL + 3:
+	case ADAU17X1_PLL_CONTROL + 4:
+	case ADAU17X1_PLL_CONTROL + 5:
+		return true;
+	default:
+		break;
+	}
+
+	return false;
+}
+EXPORT_SYMBOL_GPL(adau17x1_volatile_register);
+
+int adau17x1_setup_firmware(struct snd_soc_component *component,
+	unsigned int rate)
+{
+	int ret;
+	int dspsr, dsp_run;
+	struct adau *adau = snd_soc_component_get_drvdata(component);
+	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
+
+	/* Check if sample rate is the same as before. If it is there is no
+	 * point in performing the below steps as the call to
+	 * sigmadsp_setup(...) will return directly when it finds the sample
+	 * rate to be the same as before. By checking this we can prevent an
+	 * audiable popping noise which occours when toggling DSP_RUN.
+	 */
+	if (adau->sigmadsp->current_samplerate == rate)
+		return 0;
+
+	snd_soc_dapm_mutex_lock(dapm);
+
+	ret = regmap_read(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, &dspsr);
+	if (ret)
+		goto err;
+
+	ret = regmap_read(adau->regmap, ADAU17X1_DSP_RUN, &dsp_run);
+	if (ret)
+		goto err;
+
+	regmap_write(adau->regmap, ADAU17X1_DSP_ENABLE, 1);
+	regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, 0xf);
+	regmap_write(adau->regmap, ADAU17X1_DSP_RUN, 0);
+
+	ret = sigmadsp_setup(adau->sigmadsp, rate);
+	if (ret) {
+		regmap_write(adau->regmap, ADAU17X1_DSP_ENABLE, 0);
+		goto err;
+	}
+	regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, dspsr);
+	regmap_write(adau->regmap, ADAU17X1_DSP_RUN, dsp_run);
+
+err:
+	snd_soc_dapm_mutex_unlock(dapm);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(adau17x1_setup_firmware);
+
+int adau17x1_add_widgets(struct snd_soc_component *component)
+{
+	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
+	struct adau *adau = snd_soc_component_get_drvdata(component);
+	int ret;
+
+	ret = snd_soc_add_component_controls(component, adau17x1_controls,
+		ARRAY_SIZE(adau17x1_controls));
+	if (ret)
+		return ret;
+	ret = snd_soc_dapm_new_controls(dapm, adau17x1_dapm_widgets,
+		ARRAY_SIZE(adau17x1_dapm_widgets));
+	if (ret)
+		return ret;
+
+	if (adau17x1_has_dsp(adau)) {
+		ret = snd_soc_dapm_new_controls(dapm, adau17x1_dsp_dapm_widgets,
+			ARRAY_SIZE(adau17x1_dsp_dapm_widgets));
+		if (ret)
+			return ret;
+
+		if (!adau->sigmadsp)
+			return 0;
+
+		ret = sigmadsp_attach(adau->sigmadsp, component);
+		if (ret) {
+			dev_err(component->dev, "Failed to attach firmware: %d\n",
+				ret);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(adau17x1_add_widgets);
+
+int adau17x1_add_routes(struct snd_soc_component *component)
+{
+	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
+	struct adau *adau = snd_soc_component_get_drvdata(component);
+	int ret;
+
+	ret = snd_soc_dapm_add_routes(dapm, adau17x1_dapm_routes,
+		ARRAY_SIZE(adau17x1_dapm_routes));
+	if (ret)
+		return ret;
+
+	if (adau17x1_has_dsp(adau)) {
+		ret = snd_soc_dapm_add_routes(dapm, adau17x1_dsp_dapm_routes,
+			ARRAY_SIZE(adau17x1_dsp_dapm_routes));
+	} else {
+		ret = snd_soc_dapm_add_routes(dapm, adau17x1_no_dsp_dapm_routes,
+			ARRAY_SIZE(adau17x1_no_dsp_dapm_routes));
+	}
+
+	if (adau->clk_src != ADAU17X1_CLK_SRC_MCLK)
+		snd_soc_dapm_add_routes(dapm, &adau17x1_dapm_pll_route, 1);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(adau17x1_add_routes);
+
+int adau17x1_resume(struct snd_soc_component *component)
+{
+	struct adau *adau = snd_soc_component_get_drvdata(component);
+
+	if (adau->switch_mode)
+		adau->switch_mode(component->dev);
+
+	regcache_sync(adau->regmap);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(adau17x1_resume);
+
+int adau17x1_probe(struct device *dev, struct regmap *regmap,
+	enum adau17x1_type type, void (*switch_mode)(struct device *dev),
+	const char *firmware_name)
+{
+	struct adau *adau;
+	int ret;
+
+	if (IS_ERR(regmap))
+		return PTR_ERR(regmap);
+
+	adau = devm_kzalloc(dev, sizeof(*adau), GFP_KERNEL);
+	if (!adau)
+		return -ENOMEM;
+
+	adau->mclk = devm_clk_get(dev, "mclk");
+	if (IS_ERR(adau->mclk)) {
+		if (PTR_ERR(adau->mclk) != -ENOENT)
+			return PTR_ERR(adau->mclk);
+		/* Clock is optional (for the driver) */
+		adau->mclk = NULL;
+	} else if (adau->mclk) {
+		adau->clk_src = ADAU17X1_CLK_SRC_PLL_AUTO;
+
+		/*
+		 * Any valid PLL output rate will work at this point, use one
+		 * that is likely to be chosen later as well. The register will
+		 * be written when the PLL is powered up for the first time.
+		 */
+		ret = adau_calc_pll_cfg(clk_get_rate(adau->mclk), 48000 * 1024,
+				adau->pll_regs);
+		if (ret < 0)
+			return ret;
+
+		ret = clk_prepare_enable(adau->mclk);
+		if (ret)
+			return ret;
+	}
+
+	adau->regmap = regmap;
+	adau->switch_mode = switch_mode;
+	adau->type = type;
+
+	dev_set_drvdata(dev, adau);
+
+	if (firmware_name) {
+		adau->sigmadsp = devm_sigmadsp_init_regmap(dev, regmap, NULL,
+			firmware_name);
+		if (IS_ERR(adau->sigmadsp)) {
+			dev_warn(dev, "Could not find firmware file: %ld\n",
+				PTR_ERR(adau->sigmadsp));
+			adau->sigmadsp = NULL;
+		}
+	}
+
+	if (switch_mode)
+		switch_mode(dev);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(adau17x1_probe);
+
+void adau17x1_remove(struct device *dev)
+{
+	struct adau *adau = dev_get_drvdata(dev);
+
+	if (adau->mclk)
+		clk_disable_unprepare(adau->mclk);
+}
+EXPORT_SYMBOL_GPL(adau17x1_remove);
+
+MODULE_DESCRIPTION("ASoC ADAU1X61/ADAU1X81 common code");
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_LICENSE("GPL");