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ASoC: codecs: Add i2c and codec registration for aw88395 and their associated operation functions
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@awinic.com> Signed-off-by: Bruce zhao <zhaolei@awinic.com> Signed-off-by: Weidong Wang <wangweidong.a@awinic.com> Link: https://lore.kernel.org/r/20230113055301.189541-2-wangweidong.a@awinic.com Signed-off-by: Mark Brown <broonie@kernel.org>
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580
sound/soc/codecs/aw88395/aw88395.c
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580
sound/soc/codecs/aw88395/aw88395.c
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// SPDX-License-Identifier: GPL-2.0-only
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//
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// aw88395.c -- ALSA SoC AW88395 codec support
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//
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// Copyright (c) 2022-2023 AWINIC Technology CO., LTD
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//
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// Author: Bruce zhao <zhaolei@awinic.com>
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// Author: Weidong Wang <wangweidong.a@awinic.com>
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//
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#include <linux/i2c.h>
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#include <linux/firmware.h>
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#include <linux/of_gpio.h>
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#include <linux/regmap.h>
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#include <sound/soc.h>
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#include "aw88395.h"
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#include "aw88395_device.h"
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#include "aw88395_lib.h"
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#include "aw88395_reg.h"
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static const struct regmap_config aw88395_remap_config = {
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.val_bits = 16,
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.reg_bits = 8,
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.max_register = AW88395_REG_MAX - 1,
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.reg_format_endian = REGMAP_ENDIAN_LITTLE,
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.val_format_endian = REGMAP_ENDIAN_BIG,
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};
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static void aw88395_start_pa(struct aw88395 *aw88395)
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{
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int ret, i;
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for (i = 0; i < AW88395_START_RETRIES; i++) {
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ret = aw88395_dev_start(aw88395->aw_pa);
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if (ret) {
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dev_err(aw88395->aw_pa->dev, "aw88395 device start failed. retry = %d", i);
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ret = aw88395_dev_fw_update(aw88395->aw_pa, AW88395_DSP_FW_UPDATE_ON, true);
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if (ret < 0) {
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dev_err(aw88395->aw_pa->dev, "fw update failed");
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continue;
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}
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} else {
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dev_info(aw88395->aw_pa->dev, "start success\n");
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break;
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}
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}
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}
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static void aw88395_startup_work(struct work_struct *work)
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{
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struct aw88395 *aw88395 =
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container_of(work, struct aw88395, start_work.work);
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mutex_lock(&aw88395->lock);
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aw88395_start_pa(aw88395);
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mutex_unlock(&aw88395->lock);
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}
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static void aw88395_start(struct aw88395 *aw88395, bool sync_start)
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{
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int ret;
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if (aw88395->aw_pa->fw_status != AW88395_DEV_FW_OK)
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return;
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if (aw88395->aw_pa->status == AW88395_DEV_PW_ON)
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return;
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ret = aw88395_dev_fw_update(aw88395->aw_pa, AW88395_DSP_FW_UPDATE_OFF, true);
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if (ret < 0) {
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dev_err(aw88395->aw_pa->dev, "fw update failed.");
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return;
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}
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if (sync_start == AW88395_SYNC_START)
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aw88395_start_pa(aw88395);
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else
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queue_delayed_work(system_wq,
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&aw88395->start_work,
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AW88395_START_WORK_DELAY_MS);
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}
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static struct snd_soc_dai_driver aw88395_dai[] = {
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{
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.name = "aw88395-aif",
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.id = 1,
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.playback = {
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.stream_name = "Speaker_Playback",
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.channels_min = 1,
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.channels_max = 2,
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.rates = AW88395_RATES,
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.formats = AW88395_FORMATS,
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},
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.capture = {
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.stream_name = "Speaker_Capture",
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.channels_min = 1,
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.channels_max = 2,
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.rates = AW88395_RATES,
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.formats = AW88395_FORMATS,
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},
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},
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};
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static int aw88395_get_fade_in_time(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
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struct aw88395 *aw88395 = snd_soc_component_get_drvdata(component);
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struct aw_device *aw_dev = aw88395->aw_pa;
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ucontrol->value.integer.value[0] = aw_dev->fade_in_time;
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return 0;
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}
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static int aw88395_set_fade_in_time(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
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struct aw88395 *aw88395 = snd_soc_component_get_drvdata(component);
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struct soc_mixer_control *mc =
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(struct soc_mixer_control *)kcontrol->private_value;
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struct aw_device *aw_dev = aw88395->aw_pa;
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int time;
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time = ucontrol->value.integer.value[0];
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if (time < mc->min || time > mc->max)
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return -EINVAL;
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if (time != aw_dev->fade_in_time) {
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aw_dev->fade_in_time = time;
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return 1;
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}
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return 0;
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}
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static int aw88395_get_fade_out_time(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
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struct aw88395 *aw88395 = snd_soc_component_get_drvdata(component);
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struct aw_device *aw_dev = aw88395->aw_pa;
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ucontrol->value.integer.value[0] = aw_dev->fade_out_time;
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return 0;
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}
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static int aw88395_set_fade_out_time(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
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struct aw88395 *aw88395 = snd_soc_component_get_drvdata(component);
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struct soc_mixer_control *mc =
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(struct soc_mixer_control *)kcontrol->private_value;
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struct aw_device *aw_dev = aw88395->aw_pa;
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int time;
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time = ucontrol->value.integer.value[0];
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if (time < mc->min || time > mc->max)
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return -EINVAL;
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if (time != aw_dev->fade_out_time) {
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aw_dev->fade_out_time = time;
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return 1;
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}
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return 0;
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}
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static int aw88395_profile_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct aw88395 *aw88395 = snd_soc_component_get_drvdata(codec);
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const char *prof_name;
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char *name;
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int count;
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uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
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uinfo->count = 1;
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count = aw88395_dev_get_profile_count(aw88395->aw_pa);
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if (count <= 0) {
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uinfo->value.enumerated.items = 0;
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return 0;
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}
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uinfo->value.enumerated.items = count;
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if (uinfo->value.enumerated.item >= count)
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uinfo->value.enumerated.item = count - 1;
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name = uinfo->value.enumerated.name;
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count = uinfo->value.enumerated.item;
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prof_name = aw88395_dev_get_prof_name(aw88395->aw_pa, count);
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if (!prof_name) {
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strscpy(uinfo->value.enumerated.name, "null",
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strlen("null") + 1);
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return 0;
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}
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strscpy(name, prof_name, sizeof(uinfo->value.enumerated.name));
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return 0;
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}
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static int aw88395_profile_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct aw88395 *aw88395 = snd_soc_component_get_drvdata(codec);
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ucontrol->value.integer.value[0] = aw88395_dev_get_profile_index(aw88395->aw_pa);
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return 0;
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}
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static int aw88395_profile_set(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct aw88395 *aw88395 = snd_soc_component_get_drvdata(codec);
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int ret;
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/* pa stop or stopping just set profile */
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mutex_lock(&aw88395->lock);
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ret = aw88395_dev_set_profile_index(aw88395->aw_pa, ucontrol->value.integer.value[0]);
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if (ret < 0) {
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dev_dbg(codec->dev, "profile index does not change");
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mutex_unlock(&aw88395->lock);
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return 0;
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}
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if (aw88395->aw_pa->status) {
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aw88395_dev_stop(aw88395->aw_pa);
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aw88395_start(aw88395, AW88395_SYNC_START);
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}
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mutex_unlock(&aw88395->lock);
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return 1;
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}
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static int aw88395_volume_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct aw88395 *aw88395 = snd_soc_component_get_drvdata(codec);
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struct aw_volume_desc *vol_desc = &aw88395->aw_pa->volume_desc;
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ucontrol->value.integer.value[0] = vol_desc->ctl_volume;
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return 0;
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}
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static int aw88395_volume_set(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct aw88395 *aw88395 = snd_soc_component_get_drvdata(codec);
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struct aw_volume_desc *vol_desc = &aw88395->aw_pa->volume_desc;
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struct soc_mixer_control *mc =
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(struct soc_mixer_control *)kcontrol->private_value;
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int value;
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value = ucontrol->value.integer.value[0];
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if (value < mc->min || value > mc->max)
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return -EINVAL;
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if (vol_desc->ctl_volume != value) {
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vol_desc->ctl_volume = value;
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aw88395_dev_set_volume(aw88395->aw_pa, vol_desc->ctl_volume);
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return 1;
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}
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return 0;
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}
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static int aw88395_get_fade_step(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct aw88395 *aw88395 = snd_soc_component_get_drvdata(codec);
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ucontrol->value.integer.value[0] = aw88395->aw_pa->fade_step;
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return 0;
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}
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static int aw88395_set_fade_step(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct aw88395 *aw88395 = snd_soc_component_get_drvdata(codec);
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struct soc_mixer_control *mc =
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(struct soc_mixer_control *)kcontrol->private_value;
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int value;
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value = ucontrol->value.integer.value[0];
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if (value < mc->min || value > mc->max)
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return -EINVAL;
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if (aw88395->aw_pa->fade_step != value) {
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aw88395->aw_pa->fade_step = value;
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return 1;
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}
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return 0;
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}
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static int aw88395_re_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct aw88395 *aw88395 = snd_soc_component_get_drvdata(codec);
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struct aw_device *aw_dev = aw88395->aw_pa;
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ucontrol->value.integer.value[0] = aw_dev->cali_desc.cali_re;
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return 0;
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}
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static int aw88395_re_set(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
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struct aw88395 *aw88395 = snd_soc_component_get_drvdata(codec);
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struct soc_mixer_control *mc =
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(struct soc_mixer_control *)kcontrol->private_value;
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struct aw_device *aw_dev = aw88395->aw_pa;
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int value;
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value = ucontrol->value.integer.value[0];
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if (value < mc->min || value > mc->max)
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return -EINVAL;
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if (aw_dev->cali_desc.cali_re != value) {
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aw_dev->cali_desc.cali_re = value;
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return 1;
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}
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return 0;
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}
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static const struct snd_kcontrol_new aw88395_controls[] = {
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SOC_SINGLE_EXT("PCM Playback Volume", AW88395_SYSCTRL2_REG,
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6, AW88395_MUTE_VOL, 0, aw88395_volume_get,
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aw88395_volume_set),
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SOC_SINGLE_EXT("Fade Step", 0, 0, AW88395_MUTE_VOL, 0,
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aw88395_get_fade_step, aw88395_set_fade_step),
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SOC_SINGLE_EXT("Volume Ramp Up Step", 0, 0, FADE_TIME_MAX, FADE_TIME_MIN,
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aw88395_get_fade_in_time, aw88395_set_fade_in_time),
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SOC_SINGLE_EXT("Volume Ramp Down Step", 0, 0, FADE_TIME_MAX, FADE_TIME_MIN,
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aw88395_get_fade_out_time, aw88395_set_fade_out_time),
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SOC_SINGLE_EXT("Calib", 0, 0, 100, 0,
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aw88395_re_get, aw88395_re_set),
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AW88395_PROFILE_EXT("Profile Set", aw88395_profile_info,
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aw88395_profile_get, aw88395_profile_set),
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};
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static int aw88395_plack_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *k, int event)
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{
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struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
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struct aw88395 *aw88395 = snd_soc_component_get_drvdata(component);
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mutex_lock(&aw88395->lock);
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switch (event) {
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case SND_SOC_DAPM_PRE_PMU:
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aw88395_start(aw88395, AW88395_ASYNC_START);
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break;
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case SND_SOC_DAPM_POST_PMD:
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aw88395_dev_stop(aw88395->aw_pa);
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break;
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default:
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break;
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}
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mutex_unlock(&aw88395->lock);
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return 0;
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}
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static const struct snd_soc_dapm_widget aw88395_dapm_widgets[] = {
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/* playback */
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SND_SOC_DAPM_AIF_IN_E("AIF_RX", "Speaker_Playback", 0, 0, 0, 0,
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aw88395_plack_event,
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SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
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SND_SOC_DAPM_OUTPUT("DAC Output"),
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/* capture */
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SND_SOC_DAPM_AIF_OUT("AIF_TX", "Speaker_Capture", 0, SND_SOC_NOPM, 0, 0),
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SND_SOC_DAPM_INPUT("ADC Input"),
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};
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static const struct snd_soc_dapm_route aw88395_audio_map[] = {
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{"DAC Output", NULL, "AIF_RX"},
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{"AIF_TX", NULL, "ADC Input"},
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};
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static int aw88395_codec_probe(struct snd_soc_component *component)
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{
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struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
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struct aw88395 *aw88395 = snd_soc_component_get_drvdata(component);
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int ret;
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INIT_DELAYED_WORK(&aw88395->start_work, aw88395_startup_work);
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/* add widgets */
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ret = snd_soc_dapm_new_controls(dapm, aw88395_dapm_widgets,
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ARRAY_SIZE(aw88395_dapm_widgets));
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if (ret < 0)
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return ret;
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/* add route */
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ret = snd_soc_dapm_add_routes(dapm, aw88395_audio_map,
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ARRAY_SIZE(aw88395_audio_map));
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if (ret < 0)
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return ret;
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ret = snd_soc_add_component_controls(component, aw88395_controls,
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ARRAY_SIZE(aw88395_controls));
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return ret;
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}
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static void aw88395_codec_remove(struct snd_soc_component *aw_codec)
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{
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struct aw88395 *aw88395 = snd_soc_component_get_drvdata(aw_codec);
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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");
|
58
sound/soc/codecs/aw88395/aw88395.h
Normal file
58
sound/soc/codecs/aw88395/aw88395.h
Normal file
@ -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@awinic.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
|
Loading…
Reference in New Issue
Block a user