diff options
Diffstat (limited to 'sound/soc/codecs/aw88399.c')
| -rw-r--r-- | sound/soc/codecs/aw88399.c | 821 |
1 files changed, 821 insertions, 0 deletions
diff --git a/sound/soc/codecs/aw88399.c b/sound/soc/codecs/aw88399.c new file mode 100644 index 000000000..e9dab5e7b --- /dev/null +++ b/sound/soc/codecs/aw88399.c @@ -0,0 +1,821 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// aw88399.c -- ALSA SoC AW88399 codec support +// +// Copyright (c) 2023 AWINIC Technology CO., LTD +// +// Author: Weidong Wang <wangweidong.a@awinic.com> +// + +#include <linux/cleanup.h> +#include <linux/crc32.h> +#include <linux/gpio/consumer.h> +#include <linux/i2c.h> +#include <linux/regmap.h> +#include <linux/sort.h> +#include <sound/soc.h> +#include "aw88399.h" +#include "aw88395/aw88395_device.h" + +static struct snd_soc_dai_driver aw88399_dai[] = { + { + .name = "aw88399-aif", + .id = 1, + .playback = { + .stream_name = "Speaker_Playback", + .channels_min = 1, + .channels_max = 2, + .rates = AW88399_RATES, + .formats = AW88399_FORMATS, + }, + .capture = { + .stream_name = "Speaker_Capture", + .channels_min = 1, + .channels_max = 2, + .rates = AW88399_RATES, + .formats = AW88399_FORMATS, + }, + }, +}; + +static void aw_cali_svc_run_mute(struct aw_device *aw_dev, uint16_t cali_result) +{ + if (cali_result == CALI_RESULT_ERROR) + aw88399_dev_mute(aw_dev, true); + else if (cali_result == CALI_RESULT_NORMAL) + aw88399_dev_mute(aw_dev, false); +} + +static int aw_cali_svc_get_cali_cfg(struct aw_device *aw_dev) +{ + struct cali_cfg *cali_cfg = &aw_dev->cali_desc.cali_cfg; + int ret; + + ret = aw_dev_dsp_read(aw_dev, AW88399_DSP_REG_CFG_MBMEC_ACTAMPTH, + &cali_cfg->data[0], AW_DSP_32_DATA); + if (ret) + return ret; + + ret = aw_dev_dsp_read(aw_dev, AW88399_DSP_REG_CFG_MBMEC_NOISEAMPTH, + &cali_cfg->data[1], AW_DSP_32_DATA); + if (ret) + return ret; + + ret = aw_dev_dsp_read(aw_dev, AW88399_DSP_REG_CFG_ADPZ_USTEPN, + &cali_cfg->data[2], AW_DSP_16_DATA); + if (ret) + return ret; + + ret = aw_dev_dsp_read(aw_dev, AW88399_DSP_REG_CFG_RE_ALPHA, + &cali_cfg->data[3], AW_DSP_16_DATA); + + return ret; +} + +static int aw_cali_svc_set_cali_cfg(struct aw_device *aw_dev, + struct cali_cfg cali_cfg) +{ + int ret; + + ret = aw_dev_dsp_write(aw_dev, AW88399_DSP_REG_CFG_MBMEC_ACTAMPTH, + cali_cfg.data[0], AW_DSP_32_DATA); + if (ret) + return ret; + + ret = aw_dev_dsp_write(aw_dev, AW88399_DSP_REG_CFG_MBMEC_NOISEAMPTH, + cali_cfg.data[1], AW_DSP_32_DATA); + if (ret) + return ret; + + ret = aw_dev_dsp_write(aw_dev, AW88399_DSP_REG_CFG_ADPZ_USTEPN, + cali_cfg.data[2], AW_DSP_16_DATA); + if (ret) + return ret; + + ret = aw_dev_dsp_write(aw_dev, AW88399_DSP_REG_CFG_RE_ALPHA, + cali_cfg.data[3], AW_DSP_16_DATA); + + return ret; +} + +static int aw_cali_svc_cali_en(struct aw_device *aw_dev, bool cali_en) +{ + struct cali_cfg set_cfg; + int ret; + + aw_dev_dsp_enable(aw_dev, false); + if (cali_en) { + regmap_update_bits(aw_dev->regmap, AW88399_DBGCTRL_REG, + ~AW883XX_DSP_NG_EN_MASK, AW883XX_DSP_NG_EN_DISABLE_VALUE); + aw_dev_dsp_write(aw_dev, AW88399_DSP_LOW_POWER_SWITCH_CFG_ADDR, + AW88399_DSP_LOW_POWER_SWITCH_DISABLE, AW_DSP_16_DATA); + + ret = aw_cali_svc_get_cali_cfg(aw_dev); + if (ret) { + dev_err(aw_dev->dev, "get cali cfg failed\n"); + aw_dev_dsp_enable(aw_dev, true); + return ret; + } + set_cfg.data[0] = 0; + set_cfg.data[1] = 0; + set_cfg.data[2] = -1; + set_cfg.data[3] = 1; + + ret = aw_cali_svc_set_cali_cfg(aw_dev, set_cfg); + if (ret) { + dev_err(aw_dev->dev, "set cali cfg failed\n"); + aw_cali_svc_set_cali_cfg(aw_dev, aw_dev->cali_desc.cali_cfg); + aw_dev_dsp_enable(aw_dev, true); + return ret; + } + } else { + aw_cali_svc_set_cali_cfg(aw_dev, aw_dev->cali_desc.cali_cfg); + } + + aw_dev_dsp_enable(aw_dev, true); + + return 0; +} + +static int aw_cali_svc_cali_run_dsp_vol(struct aw_device *aw_dev, bool enable) +{ + unsigned int reg_val; + int ret; + + if (enable) { + ret = regmap_read(aw_dev->regmap, AW88399_DSPCFG_REG, ®_val); + if (ret) { + dev_err(aw_dev->dev, "read reg 0x%x failed\n", AW88399_DSPCFG_REG); + return ret; + } + + aw_dev->cali_desc.store_vol = reg_val & (~AW88399_DSP_VOL_MASK); + ret = regmap_update_bits(aw_dev->regmap, AW88399_DSPCFG_REG, + ~AW88399_DSP_VOL_MASK, AW88399_DSP_VOL_MUTE); + } else { + ret = regmap_update_bits(aw_dev->regmap, AW88399_DSPCFG_REG, + ~AW88399_DSP_VOL_MASK, aw_dev->cali_desc.store_vol); + } + + return ret; +} + +static void aw_cali_svc_backup_info(struct aw_device *aw_dev) +{ + struct aw_cali_backup_desc *backup_desc = &aw_dev->cali_desc.backup_info; + unsigned int reg_val, dsp_val; + + regmap_read(aw_dev->regmap, AW88399_DBGCTRL_REG, ®_val); + backup_desc->dsp_ng_cfg = reg_val & (~AW883XX_DSP_NG_EN_MASK); + + aw_dev_dsp_read(aw_dev, AW88399_DSP_LOW_POWER_SWITCH_CFG_ADDR, &dsp_val, AW_DSP_16_DATA); + + backup_desc->dsp_lp_cfg = dsp_val; +} + +static void aw_cali_svc_recover_info(struct aw_device *aw_dev) +{ + struct aw_cali_backup_desc *backup_desc = &aw_dev->cali_desc.backup_info; + + regmap_update_bits(aw_dev->regmap, AW88399_DBGCTRL_REG, + ~AW883XX_DSP_NG_EN_MASK, backup_desc->dsp_ng_cfg); + + aw_dev_dsp_write(aw_dev, AW88399_DSP_LOW_POWER_SWITCH_CFG_ADDR, + backup_desc->dsp_lp_cfg, AW_DSP_16_DATA); +} + +static int aw_cali_svc_cali_re_mode_enable(struct aw_device *aw_dev, bool is_enable) +{ + int ret; + + if (is_enable) { + ret = aw_dev_check_syspll(aw_dev); + if (ret) { + dev_err(aw_dev->dev, "pll check failed cannot start\n"); + return ret; + } + + ret = aw_dev_get_dsp_status(aw_dev); + if (ret) { + dev_err(aw_dev->dev, "dsp status error\n"); + return ret; + } + + aw_cali_svc_backup_info(aw_dev); + ret = aw_cali_svc_cali_en(aw_dev, true); + if (ret) { + dev_err(aw_dev->dev, "aw_cali_svc_cali_en failed\n"); + return ret; + } + + ret = aw_cali_svc_cali_run_dsp_vol(aw_dev, true); + if (ret) { + aw_cali_svc_cali_en(aw_dev, false); + return ret; + } + + } else { + aw_cali_svc_cali_run_dsp_vol(aw_dev, false); + aw_cali_svc_recover_info(aw_dev); + aw_cali_svc_cali_en(aw_dev, false); + } + + return 0; +} + +static int aw_cali_svc_get_dev_re(struct aw_device *aw_dev, uint32_t *re) +{ + uint32_t dsp_re, show_re; + int ret; + + ret = aw_dev_dsp_read(aw_dev, AW88399_DSP_REG_CALRE, &dsp_re, AW_DSP_16_DATA); + if (ret) + return ret; + + show_re = AW88399_DSP_RE_TO_SHOW_RE(dsp_re, AW88399_DSP_REG_CALRE_SHIFT); + + *re = (uint32_t)(show_re - aw_dev->cali_desc.ra); + + return 0; +} + +static void aw_cali_svc_del_max_min_ave_algo(uint32_t *data, int data_size, uint32_t *dsp_re) +{ + int sum = 0, i; + + for (i = 1; i < data_size - 1; i++) + sum += data[i]; + + *dsp_re = sum / (data_size - AW_CALI_DATA_SUM_RM); +} + +static int aw_cali_svc_get_iv_st(struct aw_device *aw_dev) +{ + unsigned int reg_data; + int ret, i; + + for (i = 0; i < AW_GET_IV_CNT_MAX; i++) { + ret = regmap_read(aw_dev->regmap, AW88399_ASR1_REG, ®_data); + if (ret) { + dev_err(aw_dev->dev, "read 0x%x failed\n", AW88399_ASR1_REG); + return ret; + } + + reg_data &= (~AW88399_REABS_MASK); + if (!reg_data) + return 0; + msleep(30); + } + + dev_err(aw_dev->dev, "IV data abnormal, please check\n"); + + return -EINVAL; +} + +static int compare_ints(const void *a, const void *b) +{ + return *(int *)a - *(int *)b; +} + +static int aw_cali_svc_get_smooth_cali_re(struct aw_device *aw_dev) +{ + uint32_t re_temp[AW_CALI_READ_CNT_MAX]; + uint32_t dsp_re; + int ret, i; + + for (i = 0; i < AW_CALI_READ_CNT_MAX; i++) { + ret = aw_cali_svc_get_dev_re(aw_dev, &re_temp[i]); + if (ret) + goto cali_re_fail; + msleep(30); + } + + sort(re_temp, AW_CALI_READ_CNT_MAX, sizeof(uint32_t), compare_ints, NULL); + + aw_cali_svc_del_max_min_ave_algo(re_temp, AW_CALI_READ_CNT_MAX, &dsp_re); + + ret = aw_cali_svc_get_iv_st(aw_dev); + if (ret) { + dev_err(aw_dev->dev, "get iv data failed"); + goto cali_re_fail; + } + + if (dsp_re < AW88399_CALI_RE_MIN || dsp_re > AW88399_CALI_RE_MAX) { + dev_err(aw_dev->dev, "out range re value: [%d]mohm\n", dsp_re); + aw_dev->cali_desc.cali_re = dsp_re; + aw_dev->cali_desc.cali_result = CALI_RESULT_ERROR; + aw_cali_svc_run_mute(aw_dev, aw_dev->cali_desc.cali_result); + + return 0; + } + + aw_dev->cali_desc.cali_result = CALI_RESULT_NORMAL; + + aw_dev->cali_desc.cali_re = dsp_re; + dev_dbg(aw_dev->dev, "re[%d]mohm\n", aw_dev->cali_desc.cali_re); + + aw_dev_dsp_enable(aw_dev, false); + aw_dev_update_cali_re(&aw_dev->cali_desc); + aw_dev_dsp_enable(aw_dev, true); + + return 0; + +cali_re_fail: + aw_dev->cali_desc.cali_result = CALI_RESULT_ERROR; + aw_cali_svc_run_mute(aw_dev, aw_dev->cali_desc.cali_result); + return -EINVAL; +} + +static int aw_cali_svc_dev_cali_re(struct aw88399 *aw88399) +{ + struct aw_device *aw_dev = aw88399->aw_pa; + struct aw_cali_desc *cali_desc = &aw_dev->cali_desc; + int ret; + + if (cali_desc->cali_running) { + dev_err(aw_dev->dev, "calibration in progress\n"); + return -EINVAL; + } + + cali_desc->cali_running = true; + aw_cali_svc_run_mute(aw_dev, CALI_RESULT_NORMAL); + + ret = aw_cali_svc_cali_re_mode_enable(aw_dev, true); + if (ret) { + dev_err(aw_dev->dev, "start cali re failed\n"); + goto re_mode_err; + } + + msleep(1000); + + ret = aw_cali_svc_get_smooth_cali_re(aw_dev); + if (ret) + dev_err(aw_dev->dev, "get cali re failed\n"); + + aw_cali_svc_cali_re_mode_enable(aw_dev, false); + +re_mode_err: + cali_desc->cali_running = false; + + return ret; +} + +static int aw88399_get_fade_in_time(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct aw88399 *aw88399 = snd_soc_component_get_drvdata(component); + struct aw_device *aw_dev = aw88399->aw_pa; + + ucontrol->value.integer.value[0] = aw_dev->fade_in_time; + + return 0; +} + +static int aw88399_set_fade_in_time(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct aw88399 *aw88399 = snd_soc_component_get_drvdata(component); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + struct aw_device *aw_dev = aw88399->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 aw88399_get_fade_out_time(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct aw88399 *aw88399 = snd_soc_component_get_drvdata(component); + struct aw_device *aw_dev = aw88399->aw_pa; + + ucontrol->value.integer.value[0] = aw_dev->fade_out_time; + + return 0; +} + +static int aw88399_set_fade_out_time(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct aw88399 *aw88399 = snd_soc_component_get_drvdata(component); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + struct aw_device *aw_dev = aw88399->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 aw88399_dev_set_profile_index(struct aw_device *aw_dev, int index) +{ + /* check the index whether is valid */ + if ((index >= aw_dev->prof_info.count) || (index < 0)) + return -EINVAL; + /* check the index whether change */ + if (aw_dev->prof_index == index) + return -EINVAL; + + aw_dev->prof_index = index; + dev_dbg(aw_dev->dev, "set prof[%s]", + aw_dev->prof_info.prof_name_list[aw_dev->prof_info.prof_desc[index].id]); + + return 0; +} + +static int aw88399_profile_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); + struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); + char *prof_name; + int count, ret; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + + count = aw88399->aw_pa->prof_info.count; + 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; + + count = uinfo->value.enumerated.item; + + ret = aw88399_dev_get_prof_name(aw88399->aw_pa, count, &prof_name); + if (ret) { + strscpy(uinfo->value.enumerated.name, "null"); + return 0; + } + + strscpy(uinfo->value.enumerated.name, prof_name); + + return 0; +} + +static int aw88399_profile_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); + struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); + + ucontrol->value.integer.value[0] = aw88399->aw_pa->prof_index; + + return 0; +} + +static int aw88399_profile_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); + struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); + int ret; + + guard(mutex)(&aw88399->lock); + ret = aw88399_dev_set_profile_index(aw88399->aw_pa, ucontrol->value.integer.value[0]); + if (ret) { + dev_dbg(codec->dev, "profile index does not change"); + return 0; + } + + if (aw88399->aw_pa->status) { + aw88399_stop(aw88399->aw_pa); + aw88399_start(aw88399, AW88399_SYNC_START); + } + + return 1; +} + +static int aw88399_volume_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); + struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); + struct aw_volume_desc *vol_desc = &aw88399->aw_pa->volume_desc; + + ucontrol->value.integer.value[0] = vol_desc->ctl_volume; + + return 0; +} + +static int aw88399_volume_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); + struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); + struct aw_volume_desc *vol_desc = &aw88399->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; + aw_dev_set_volume(aw88399->aw_pa, vol_desc->ctl_volume); + + return 1; + } + + return 0; +} + +static int aw88399_get_fade_step(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); + struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); + + ucontrol->value.integer.value[0] = aw88399->aw_pa->fade_step; + + return 0; +} + +static int aw88399_set_fade_step(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); + struct aw88399 *aw88399 = 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 (aw88399->aw_pa->fade_step != value) { + aw88399->aw_pa->fade_step = value; + return 1; + } + + return 0; +} + +static int aw88399_re_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); + struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); + struct aw_device *aw_dev = aw88399->aw_pa; + + ucontrol->value.integer.value[0] = aw_dev->cali_desc.cali_re; + + return 0; +} + +static int aw88399_re_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); + struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + struct aw_device *aw_dev = aw88399->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 int aw88399_calib_switch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); + struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); + struct aw_device *aw_dev = aw88399->aw_pa; + + ucontrol->value.integer.value[0] = aw_dev->cali_desc.cali_switch; + + return 0; +} + +static int aw88399_calib_switch_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); + struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); + struct aw_device *aw_dev = aw88399->aw_pa; + + if (aw_dev->cali_desc.cali_switch == ucontrol->value.integer.value[0]) + return 0; + + aw_dev->cali_desc.cali_switch = ucontrol->value.integer.value[0]; + + return 1; +} + +static int aw88399_calib_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + /* do nothing */ + return 0; +} + +static int aw88399_calib_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); + struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); + struct aw_device *aw_dev = aw88399->aw_pa; + + if (aw_dev->status && aw_dev->cali_desc.cali_switch) + aw_cali_svc_dev_cali_re(aw88399); + + return 0; +} + +static const struct snd_kcontrol_new aw88399_controls[] = { + SOC_SINGLE_EXT("PCM Playback Volume", AW88399_SYSCTRL2_REG, + 6, AW88399_MUTE_VOL, 0, aw88399_volume_get, + aw88399_volume_set), + SOC_SINGLE_EXT("Fade Step", 0, 0, AW88399_MUTE_VOL, 0, + aw88399_get_fade_step, aw88399_set_fade_step), + SOC_SINGLE_EXT("Volume Ramp Up Step", 0, 0, FADE_TIME_MAX, FADE_TIME_MIN, + aw88399_get_fade_in_time, aw88399_set_fade_in_time), + SOC_SINGLE_EXT("Volume Ramp Down Step", 0, 0, FADE_TIME_MAX, FADE_TIME_MIN, + aw88399_get_fade_out_time, aw88399_set_fade_out_time), + SOC_SINGLE_EXT("Calib", 0, 0, AW88399_CALI_RE_MAX, 0, + aw88399_re_get, aw88399_re_set), + SOC_SINGLE_BOOL_EXT("Calib Switch", 0, + aw88399_calib_switch_get, aw88399_calib_switch_set), + SOC_SINGLE_EXT("Trigger Calib", SND_SOC_NOPM, 0, 1, 0, + aw88399_calib_get, aw88399_calib_set), + AW88399_PROFILE_EXT("AW88399 Profile Set", aw88399_profile_info, + aw88399_profile_get, aw88399_profile_set), +}; + +static int aw88399_playback_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 aw88399 *aw88399 = snd_soc_component_get_drvdata(component); + + guard(mutex)(&aw88399->lock); + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + aw88399_start(aw88399, AW88399_ASYNC_START); + break; + case SND_SOC_DAPM_POST_PMD: + aw88399_stop(aw88399->aw_pa); + break; + default: + break; + } + + return 0; +} + +static const struct snd_soc_dapm_widget aw88399_dapm_widgets[] = { + /* playback */ + SND_SOC_DAPM_AIF_IN_E("AIF_RX", "Speaker_Playback", 0, 0, 0, 0, + aw88399_playback_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 aw88399_audio_map[] = { + {"DAC Output", NULL, "AIF_RX"}, + {"AIF_TX", NULL, "ADC Input"}, +}; + +static int aw88399_codec_probe(struct snd_soc_component *component) +{ + struct aw88399 *aw88399 = snd_soc_component_get_drvdata(component); + int ret; + + INIT_DELAYED_WORK(&aw88399->start_work, aw88399_startup_work); + + ret = aw88399_request_firmware_file(aw88399); + if (ret) + dev_err(aw88399->aw_pa->dev, "%s failed\n", __func__); + + return ret; +} + +static void aw88399_codec_remove(struct snd_soc_component *aw_codec) +{ + struct aw88399 *aw88399 = snd_soc_component_get_drvdata(aw_codec); + + cancel_delayed_work_sync(&aw88399->start_work); +} + +static const struct snd_soc_component_driver soc_codec_dev_aw88399 = { + .probe = aw88399_codec_probe, + .remove = aw88399_codec_remove, + .dapm_widgets = aw88399_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(aw88399_dapm_widgets), + .dapm_routes = aw88399_audio_map, + .num_dapm_routes = ARRAY_SIZE(aw88399_audio_map), + .controls = aw88399_controls, + .num_controls = ARRAY_SIZE(aw88399_controls), +}; + +static int aw88399_i2c_probe(struct i2c_client *i2c) +{ + struct aw88399 *aw88399; + int ret; + + if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C)) + return dev_err_probe(&i2c->dev, -ENXIO, "check_functionality failed"); + + aw88399 = devm_kzalloc(&i2c->dev, sizeof(*aw88399), GFP_KERNEL); + if (!aw88399) + return -ENOMEM; + + mutex_init(&aw88399->lock); + + i2c_set_clientdata(i2c, aw88399); + + aw88399->reset_gpio = devm_gpiod_get_optional(&i2c->dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(aw88399->reset_gpio)) + return dev_err_probe(&i2c->dev, PTR_ERR(aw88399->reset_gpio), + "reset gpio not defined\n"); + aw88399_hw_reset(aw88399); + + aw88399->regmap = devm_regmap_init_i2c(i2c, &aw88399_remap_config); + if (IS_ERR(aw88399->regmap)) + return dev_err_probe(&i2c->dev, PTR_ERR(aw88399->regmap), + "failed to init regmap\n"); + + /* aw pa init */ + ret = aw88399_init(aw88399, i2c, aw88399->regmap); + if (ret) + return ret; + + ret = devm_snd_soc_register_component(&i2c->dev, + &soc_codec_dev_aw88399, + aw88399_dai, ARRAY_SIZE(aw88399_dai)); + if (ret) + dev_err(&i2c->dev, "failed to register aw88399: %d", ret); + + return ret; +} + +static const struct i2c_device_id aw88399_i2c_id[] = { + { .name = AW88399_I2C_NAME }, + { } +}; +MODULE_DEVICE_TABLE(i2c, aw88399_i2c_id); + +#ifdef CONFIG_ACPI +static const struct acpi_device_id aw88399_acpi_match[] = { + { "AWDZ8399", 0 }, + { }, +}; +MODULE_DEVICE_TABLE(acpi, aw88399_acpi_match); +#endif + +static struct i2c_driver aw88399_i2c_driver = { + .driver = { + .name = AW88399_I2C_NAME, + .acpi_match_table = ACPI_PTR(aw88399_acpi_match), + }, + .probe = aw88399_i2c_probe, + .id_table = aw88399_i2c_id, +}; +module_i2c_driver(aw88399_i2c_driver); + +MODULE_DESCRIPTION("ASoC AW88399 Smart PA Driver"); +MODULE_LICENSE("GPL v2"); |