Message-Id: <20230113055301.189541-2-wangweidong.a@awinic.com>
Date:   Fri, 13 Jan 2023 13:52:57 +0800
From:   wangweidong.a@...nic.com
To:     lgirdwood@...il.com, broonie@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, perex@...ex.cz, tiwai@...e.com,
        ckeepax@...nsource.cirrus.com, rf@...nsource.cirrus.com,
        pierre-louis.bossart@...ux.intel.com, james.schulman@...rus.com,
        wangweidong.a@...nic.com, flatmax@...tmax.com,
        jonathan.albrieux@...il.com, povik+lin@...ebit.org,
        13691752556@....com, shumingf@...ltek.com,
        ryan.lee.analog@...il.com, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     liweilei@...nic.com, yijiangtao@...nic.com, zhaolei@...nic.com
Subject: [PATCH V10 1/5] ASoC: codecs: Add i2c and codec registration for aw88395 and their associated operation functions

From: Weidong Wang <wangweidong.a@...nic.com>

The Awinic AW88395 is an I2S/TDM input, high efficiency
digital Smart K audio amplifier with an integrated 10.25V
smart boost convert

Signed-off-by: Nick Li <liweilei@...nic.com>
Signed-off-by: Bruce zhao <zhaolei@...nic.com>
Signed-off-by: Weidong Wang <wangweidong.a@...nic.com>
---
 sound/soc/codecs/aw88395/aw88395.c | 580 +++++++++++++++++++++++++++++
 sound/soc/codecs/aw88395/aw88395.h |  58 +++
 2 files changed, 638 insertions(+)
 create mode 100644 sound/soc/codecs/aw88395/aw88395.c
 create mode 100644 sound/soc/codecs/aw88395/aw88395.h

diff --git a/sound/soc/codecs/aw88395/aw88395.c b/sound/soc/codecs/aw88395/aw88395.c
new file mode 100644
index 000000000000..bce403744c1a
--- /dev/null
+++ b/sound/soc/codecs/aw88395/aw88395.c
@@ -0,0 +1,580 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// aw88395.c --  ALSA SoC AW88395 codec support
+//
+// Copyright (c) 2022-2023 AWINIC Technology CO., LTD
+//
+// Author: Bruce zhao <zhaolei@...nic.com>
+// Author: Weidong Wang <wangweidong.a@...nic.com>
+//
+
+#include <linux/i2c.h>
+#include <linux/firmware.h>
+#include <linux/of_gpio.h>
+#include <linux/regmap.h>
+#include <sound/soc.h>
+#include "aw88395.h"
+#include "aw88395_device.h"
+#include "aw88395_lib.h"
+#include "aw88395_reg.h"
+
+static const struct regmap_config aw88395_remap_config = {
+	.val_bits = 16,
+	.reg_bits = 8,
+	.max_register = AW88395_REG_MAX - 1,
+	.reg_format_endian = REGMAP_ENDIAN_LITTLE,
+	.val_format_endian = REGMAP_ENDIAN_BIG,
+};
+
+static void aw88395_start_pa(struct aw88395 *aw88395)
+{
+	int ret, i;
+
+	for (i = 0; i < AW88395_START_RETRIES; i++) {
+		ret = aw88395_dev_start(aw88395->aw_pa);
+		if (ret) {
+			dev_err(aw88395->aw_pa->dev, "aw88395 device start failed. retry = %d", i);
+			ret = aw88395_dev_fw_update(aw88395->aw_pa, AW88395_DSP_FW_UPDATE_ON, true);
+			if (ret < 0) {
+				dev_err(aw88395->aw_pa->dev, "fw update failed");
+				continue;
+			}
+		} else {
+			dev_info(aw88395->aw_pa->dev, "start success\n");
+			break;
+		}
+	}
+}
+
+static void aw88395_startup_work(struct work_struct *work)
+{
+	struct aw88395 *aw88395 =
+		container_of(work, struct aw88395, start_work.work);
+
+	mutex_lock(&aw88395->lock);
+	aw88395_start_pa(aw88395);
+	mutex_unlock(&aw88395->lock);
+}
+
+static void aw88395_start(struct aw88395 *aw88395, bool sync_start)
+{
+	int ret;
+
+	if (aw88395->aw_pa->fw_status != AW88395_DEV_FW_OK)
+		return;
+
+	if (aw88395->aw_pa->status == AW88395_DEV_PW_ON)
+		return;
+
+	ret = aw88395_dev_fw_update(aw88395->aw_pa, AW88395_DSP_FW_UPDATE_OFF, true);
+	if (ret < 0) {
+		dev_err(aw88395->aw_pa->dev, "fw update failed.");
+		return;
+	}
+
+	if (sync_start == AW88395_SYNC_START)
+		aw88395_start_pa(aw88395);
+	else
+		queue_delayed_work(system_wq,
+			&aw88395->start_work,
+			AW88395_START_WORK_DELAY_MS);
+}
+
+static struct snd_soc_dai_driver aw88395_dai[] = {
+	{
+		.name = "aw88395-aif",
+		.id = 1,
+		.playback = {
+			.stream_name = "Speaker_Playback",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = AW88395_RATES,
+			.formats = AW88395_FORMATS,
+		},
+		.capture = {
+			.stream_name = "Speaker_Capture",
+			.channels_min = 1,
+			.channels_max = 2,
+			.rates = AW88395_RATES,
+			.formats = AW88395_FORMATS,
+		},
+	},
+};
+
+static int aw88395_get_fade_in_time(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct aw88395 *aw88395 = snd_soc_component_get_drvdata(component);
+	struct aw_device *aw_dev = aw88395->aw_pa;
+
+	ucontrol->value.integer.value[0] = aw_dev->fade_in_time;
+
+	return 0;
+}
+
+static int aw88395_set_fade_in_time(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct aw88395 *aw88395 = snd_soc_component_get_drvdata(component);
+	struct soc_mixer_control *mc =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	struct aw_device *aw_dev = aw88395->aw_pa;
+	int time;
+
+	time = ucontrol->value.integer.value[0];
+
+	if (time < mc->min || time > mc->max)
+		return -EINVAL;
+
+	if (time != aw_dev->fade_in_time) {
+		aw_dev->fade_in_time = time;
+		return 1;
+	}
+
+	return 0;
+}
+
+static int aw88395_get_fade_out_time(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct aw88395 *aw88395 = snd_soc_component_get_drvdata(component);
+	struct aw_device *aw_dev = aw88395->aw_pa;
+
+	ucontrol->value.integer.value[0] = aw_dev->fade_out_time;
+
+	return 0;
+}
+
+static int aw88395_set_fade_out_time(struct snd_kcontrol *kcontrol,
+	struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct aw88395 *aw88395 = snd_soc_component_get_drvdata(component);
+	struct soc_mixer_control *mc =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	struct aw_device *aw_dev = aw88395->aw_pa;
+	int time;
+
+	time = ucontrol->value.integer.value[0];
+	if (time < mc->min || time > mc->max)
+		return -EINVAL;
+
+	if (time != aw_dev->fade_out_time) {
+		aw_dev->fade_out_time = time;
+		return 1;
+	}
+
+	return 0;
+}
+
+static int aw88395_profile_info(struct snd_kcontrol *kcontrol,
+			 struct snd_ctl_elem_info *uinfo)
+{
+	struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
+	struct aw88395 *aw88395 = snd_soc_component_get_drvdata(codec);
+	const char *prof_name;
+	char *name;
+	int count;
+
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+	uinfo->count = 1;
+
+	count = aw88395_dev_get_profile_count(aw88395->aw_pa);
+	if (count <= 0) {
+		uinfo->value.enumerated.items = 0;
+		return 0;
+	}
+
+	uinfo->value.enumerated.items = count;
+
+	if (uinfo->value.enumerated.item >= count)
+		uinfo->value.enumerated.item = count - 1;
+
+	name = uinfo->value.enumerated.name;
+	count = uinfo->value.enumerated.item;
+
+	prof_name = aw88395_dev_get_prof_name(aw88395->aw_pa, count);
+	if (!prof_name) {
+		strscpy(uinfo->value.enumerated.name, "null",
+						strlen("null") + 1);
+		return 0;
+	}
+
+	strscpy(name, prof_name, sizeof(uinfo->value.enumerated.name));
+
+	return 0;
+}
+
+static int aw88395_profile_get(struct snd_kcontrol *kcontrol,
+			struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
+	struct aw88395 *aw88395 = snd_soc_component_get_drvdata(codec);
+
+	ucontrol->value.integer.value[0] = aw88395_dev_get_profile_index(aw88395->aw_pa);
+
+	return 0;
+}
+
+static int aw88395_profile_set(struct snd_kcontrol *kcontrol,
+		struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
+	struct aw88395 *aw88395 = snd_soc_component_get_drvdata(codec);
+	int ret;
+
+	/* pa stop or stopping just set profile */
+	mutex_lock(&aw88395->lock);
+	ret = aw88395_dev_set_profile_index(aw88395->aw_pa, ucontrol->value.integer.value[0]);
+	if (ret < 0) {
+		dev_dbg(codec->dev, "profile index does not change");
+		mutex_unlock(&aw88395->lock);
+		return 0;
+	}
+
+	if (aw88395->aw_pa->status) {
+		aw88395_dev_stop(aw88395->aw_pa);
+		aw88395_start(aw88395, AW88395_SYNC_START);
+	}
+
+	mutex_unlock(&aw88395->lock);
+
+	return 1;
+}
+
+static int aw88395_volume_get(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
+	struct aw88395 *aw88395 = snd_soc_component_get_drvdata(codec);
+	struct aw_volume_desc *vol_desc = &aw88395->aw_pa->volume_desc;
+
+	ucontrol->value.integer.value[0] = vol_desc->ctl_volume;
+
+	return 0;
+}
+
+static int aw88395_volume_set(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
+	struct aw88395 *aw88395 = snd_soc_component_get_drvdata(codec);
+	struct aw_volume_desc *vol_desc = &aw88395->aw_pa->volume_desc;
+	struct soc_mixer_control *mc =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	int value;
+
+	value = ucontrol->value.integer.value[0];
+	if (value < mc->min || value > mc->max)
+		return -EINVAL;
+
+	if (vol_desc->ctl_volume != value) {
+		vol_desc->ctl_volume = value;
+		aw88395_dev_set_volume(aw88395->aw_pa, vol_desc->ctl_volume);
+
+		return 1;
+	}
+
+	return 0;
+}
+
+static int aw88395_get_fade_step(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
+	struct aw88395 *aw88395 = snd_soc_component_get_drvdata(codec);
+
+	ucontrol->value.integer.value[0] = aw88395->aw_pa->fade_step;
+
+	return 0;
+}
+
+static int aw88395_set_fade_step(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
+	struct aw88395 *aw88395 = snd_soc_component_get_drvdata(codec);
+	struct soc_mixer_control *mc =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	int value;
+
+	value = ucontrol->value.integer.value[0];
+	if (value < mc->min || value > mc->max)
+		return -EINVAL;
+
+	if (aw88395->aw_pa->fade_step != value) {
+		aw88395->aw_pa->fade_step = value;
+		return 1;
+	}
+
+	return 0;
+}
+
+static int aw88395_re_get(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
+	struct aw88395 *aw88395 = snd_soc_component_get_drvdata(codec);
+	struct aw_device *aw_dev = aw88395->aw_pa;
+
+	ucontrol->value.integer.value[0] = aw_dev->cali_desc.cali_re;
+
+	return 0;
+}
+
+static int aw88395_re_set(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
+	struct aw88395 *aw88395 = snd_soc_component_get_drvdata(codec);
+	struct soc_mixer_control *mc =
+		(struct soc_mixer_control *)kcontrol->private_value;
+	struct aw_device *aw_dev = aw88395->aw_pa;
+	int value;
+
+	value = ucontrol->value.integer.value[0];
+	if (value < mc->min || value > mc->max)
+		return -EINVAL;
+
+	if (aw_dev->cali_desc.cali_re != value) {
+		aw_dev->cali_desc.cali_re = value;
+		return 1;
+	}
+
+	return 0;
+}
+
+static const struct snd_kcontrol_new aw88395_controls[] = {
+	SOC_SINGLE_EXT("PCM Playback Volume", AW88395_SYSCTRL2_REG,
+		6, AW88395_MUTE_VOL, 0, aw88395_volume_get,
+		aw88395_volume_set),
+	SOC_SINGLE_EXT("Fade Step", 0, 0, AW88395_MUTE_VOL, 0,
+		aw88395_get_fade_step, aw88395_set_fade_step),
+	SOC_SINGLE_EXT("Volume Ramp Up Step", 0, 0, FADE_TIME_MAX, FADE_TIME_MIN,
+		aw88395_get_fade_in_time, aw88395_set_fade_in_time),
+	SOC_SINGLE_EXT("Volume Ramp Down Step", 0, 0, FADE_TIME_MAX, FADE_TIME_MIN,
+		aw88395_get_fade_out_time, aw88395_set_fade_out_time),
+	SOC_SINGLE_EXT("Calib", 0, 0, 100, 0,
+		aw88395_re_get, aw88395_re_set),
+	AW88395_PROFILE_EXT("Profile Set", aw88395_profile_info,
+		aw88395_profile_get, aw88395_profile_set),
+};
+
+static int aw88395_plack_event(struct snd_soc_dapm_widget *w,
+				struct snd_kcontrol *k, int event)
+{
+	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+	struct aw88395 *aw88395 = snd_soc_component_get_drvdata(component);
+
+	mutex_lock(&aw88395->lock);
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		aw88395_start(aw88395, AW88395_ASYNC_START);
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		aw88395_dev_stop(aw88395->aw_pa);
+		break;
+	default:
+		break;
+	}
+	mutex_unlock(&aw88395->lock);
+
+	return 0;
+}
+
+static const struct snd_soc_dapm_widget aw88395_dapm_widgets[] = {
+	 /* playback */
+	SND_SOC_DAPM_AIF_IN_E("AIF_RX", "Speaker_Playback", 0, 0, 0, 0,
+					aw88395_plack_event,
+					SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+	SND_SOC_DAPM_OUTPUT("DAC Output"),
+
+	/* capture */
+	SND_SOC_DAPM_AIF_OUT("AIF_TX", "Speaker_Capture", 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_INPUT("ADC Input"),
+};
+
+static const struct snd_soc_dapm_route aw88395_audio_map[] = {
+	{"DAC Output", NULL, "AIF_RX"},
+	{"AIF_TX", NULL, "ADC Input"},
+};
+
+static int aw88395_codec_probe(struct snd_soc_component *component)
+{
+	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
+	struct aw88395 *aw88395 = snd_soc_component_get_drvdata(component);
+	int ret;
+
+	INIT_DELAYED_WORK(&aw88395->start_work, aw88395_startup_work);
+
+	/* add widgets */
+	ret = snd_soc_dapm_new_controls(dapm, aw88395_dapm_widgets,
+							ARRAY_SIZE(aw88395_dapm_widgets));
+	if (ret < 0)
+		return ret;
+
+	/* add route */
+	ret = snd_soc_dapm_add_routes(dapm, aw88395_audio_map,
+							ARRAY_SIZE(aw88395_audio_map));
+	if (ret < 0)
+		return ret;
+
+	ret = snd_soc_add_component_controls(component, aw88395_controls,
+							ARRAY_SIZE(aw88395_controls));
+
+	return ret;
+}
+
+static void aw88395_codec_remove(struct snd_soc_component *aw_codec)
+{
+	struct aw88395 *aw88395 = snd_soc_component_get_drvdata(aw_codec);
+
+	cancel_delayed_work_sync(&aw88395->start_work);
+}
+
+static const struct snd_soc_component_driver soc_codec_dev_aw88395 = {
+	.probe = aw88395_codec_probe,
+	.remove = aw88395_codec_remove,
+};
+
+static struct aw88395 *aw88395_malloc_init(struct i2c_client *i2c)
+{
+	struct aw88395 *aw88395 = devm_kzalloc(&i2c->dev,
+			sizeof(struct aw88395), GFP_KERNEL);
+	if (!aw88395)
+		return NULL;
+
+	mutex_init(&aw88395->lock);
+
+	return aw88395;
+}
+
+static void aw88395_hw_reset(struct aw88395 *aw88395)
+{
+	if (aw88395->reset_gpio) {
+		gpiod_set_value_cansleep(aw88395->reset_gpio, 0);
+		usleep_range(AW88395_1000_US, AW88395_1000_US + 10);
+		gpiod_set_value_cansleep(aw88395->reset_gpio, 1);
+		usleep_range(AW88395_1000_US, AW88395_1000_US + 10);
+	} else {
+		dev_err(aw88395->aw_pa->dev, "%s failed", __func__);
+	}
+}
+
+static int aw88395_request_firmware_file(struct aw88395 *aw88395)
+{
+	const struct firmware *cont = NULL;
+	int ret;
+
+	aw88395->aw_pa->fw_status = AW88395_DEV_FW_FAILED;
+
+	ret = request_firmware(&cont, AW88395_ACF_FILE, aw88395->aw_pa->dev);
+	if ((ret < 0) || (!cont)) {
+		dev_err(aw88395->aw_pa->dev, "load [%s] failed!", AW88395_ACF_FILE);
+		return ret;
+	}
+
+	dev_info(aw88395->aw_pa->dev, "loaded %s - size: %zu\n",
+			AW88395_ACF_FILE, cont ? cont->size : 0);
+
+	aw88395->aw_cfg = devm_kzalloc(aw88395->aw_pa->dev, cont->size + sizeof(int), GFP_KERNEL);
+	if (!aw88395->aw_cfg) {
+		release_firmware(cont);
+		return -ENOMEM;
+	}
+	aw88395->aw_cfg->len = (int)cont->size;
+	memcpy(aw88395->aw_cfg->data, cont->data, cont->size);
+	release_firmware(cont);
+
+	ret = aw88395_dev_load_acf_check(aw88395->aw_pa, aw88395->aw_cfg);
+	if (ret < 0) {
+		dev_err(aw88395->aw_pa->dev, "Load [%s] failed ....!", AW88395_ACF_FILE);
+		return ret;
+	}
+
+	dev_dbg(aw88395->aw_pa->dev, "%s : bin load success\n", __func__);
+
+	mutex_lock(&aw88395->lock);
+	/* aw device init */
+	ret = aw88395_dev_init(aw88395->aw_pa, aw88395->aw_cfg);
+	if (ret < 0)
+		dev_err(aw88395->aw_pa->dev, "dev init failed");
+	mutex_unlock(&aw88395->lock);
+
+	return ret;
+}
+
+static int aw88395_i2c_probe(struct i2c_client *i2c)
+{
+	struct aw88395 *aw88395;
+	int ret;
+
+	if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C)) {
+		dev_err(&i2c->dev, "check_functionality failed");
+		return -EIO;
+	}
+
+	aw88395 = aw88395_malloc_init(i2c);
+	if (!aw88395) {
+		dev_err(&i2c->dev, "malloc aw88395 failed");
+		return -ENOMEM;
+	}
+	i2c_set_clientdata(i2c, aw88395);
+
+	aw88395->reset_gpio = devm_gpiod_get_optional(&i2c->dev, "reset", GPIOD_OUT_LOW);
+	if (IS_ERR(aw88395->reset_gpio))
+		dev_info(&i2c->dev, "reset gpio not defined\n");
+
+	/* hardware reset */
+	aw88395_hw_reset(aw88395);
+
+	aw88395->regmap = devm_regmap_init_i2c(i2c, &aw88395_remap_config);
+	if (IS_ERR(aw88395->regmap)) {
+		ret = PTR_ERR(aw88395->regmap);
+		dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret);
+		return ret;
+	}
+
+	/* aw pa init */
+	ret = aw88395_init(&aw88395->aw_pa, i2c, aw88395->regmap);
+	if (ret < 0)
+		return ret;
+
+	ret = aw88395_request_firmware_file(aw88395);
+	if (ret < 0) {
+		dev_err(&i2c->dev, "%s failed\n", __func__);
+		return ret;
+	}
+
+	ret = devm_snd_soc_register_component(&i2c->dev,
+			&soc_codec_dev_aw88395,
+			aw88395_dai, ARRAY_SIZE(aw88395_dai));
+	if (ret < 0) {
+		dev_err(&i2c->dev, "failed to register aw88395: %d", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static const struct i2c_device_id aw88395_i2c_id[] = {
+	{ AW88395_I2C_NAME, 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, aw88395_i2c_id);
+
+static struct i2c_driver aw88395_i2c_driver = {
+	.driver = {
+		.name = AW88395_I2C_NAME,
+		.owner = THIS_MODULE,
+	},
+	.probe_new = aw88395_i2c_probe,
+	.id_table = aw88395_i2c_id,
+};
+module_i2c_driver(aw88395_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC AW88395 Smart PA Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/codecs/aw88395/aw88395.h b/sound/soc/codecs/aw88395/aw88395.h
new file mode 100644
index 000000000000..8036ba27f68d
--- /dev/null
+++ b/sound/soc/codecs/aw88395/aw88395.h
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// aw88395.h --  ALSA SoC AW88395 codec support
+//
+// Copyright (c) 2022-2023 AWINIC Technology CO., LTD
+//
+// Author: Bruce zhao <zhaolei@...nic.com>
+//
+
+#ifndef __AW88395_H__
+#define __AW88395_H__
+
+#define AW88395_CHIP_ID_REG			(0x00)
+#define AW88395_START_RETRIES			(5)
+#define AW88395_START_WORK_DELAY_MS		(0)
+
+#define AW88395_DSP_16_DATA_MASK		(0x0000ffff)
+
+#define AW88395_I2C_NAME			"aw88395_smartpa"
+
+#define AW88395_RATES (SNDRV_PCM_RATE_8000_48000 | \
+			SNDRV_PCM_RATE_96000)
+#define AW88395_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
+			SNDRV_PCM_FMTBIT_S24_LE | \
+			SNDRV_PCM_FMTBIT_S32_LE)
+
+#define FADE_TIME_MAX			100000
+#define FADE_TIME_MIN			0
+
+#define AW88395_PROFILE_EXT(xname, profile_info, profile_get, profile_set) \
+{ \
+	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+	.name = xname, \
+	.info = profile_info, \
+	.get = profile_get, \
+	.put = profile_set, \
+}
+
+enum {
+	AW88395_SYNC_START = 0,
+	AW88395_ASYNC_START,
+};
+
+enum {
+	AW88395_STREAM_CLOSE = 0,
+	AW88395_STREAM_OPEN,
+};
+
+struct aw88395 {
+	struct aw_device *aw_pa;
+	struct mutex lock;
+	struct gpio_desc *reset_gpio;
+	struct delayed_work start_work;
+	struct regmap *regmap;
+	struct aw_container *aw_cfg;
+};
+
+#endif
-- 
2.39.0

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