From: Weidong Wang wangweidong.a@awinic.com
The Awinic AW883XX 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 --- sound/soc/codecs/aw883xx/aw883xx.c | 1673 ++++++++++++++++++++++++++++ sound/soc/codecs/aw883xx/aw883xx.h | 105 ++ 2 files changed, 1778 insertions(+) create mode 100644 sound/soc/codecs/aw883xx/aw883xx.c create mode 100644 sound/soc/codecs/aw883xx/aw883xx.h
diff --git a/sound/soc/codecs/aw883xx/aw883xx.c b/sound/soc/codecs/aw883xx/aw883xx.c new file mode 100644 index 000000000000..13d21c3c4160 --- /dev/null +++ b/sound/soc/codecs/aw883xx/aw883xx.c @@ -0,0 +1,1673 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * aw883xx.c -- ALSA Soc AW883XX codec support + * + * Copyright (c) 2022 AWINIC Technology CO., LTD + * + * Author: Bruce zhao zhaolei@awinic.com + */ +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/debugfs.h> +#include <linux/firmware.h> +#include <linux/hrtimer.h> +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/module.h> +#include <linux/of_gpio.h> +#include <linux/regmap.h> +#include <linux/syscalls.h> +#include <linux/timer.h> +#include <linux/uaccess.h> +#include <linux/version.h> +#include <linux/vmalloc.h> +#include <linux/workqueue.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/tlv.h> +#include "aw883xx_pid_2049_reg.h" +#include "aw883xx.h" +#include "aw883xx_bin_parse.h" +#include "aw883xx_device.h" + +/* + * Marco + */ +#define AW883XX_I2C_NAME "aw883xx_smartpa" + +#define AW883XX_RATES (SNDRV_PCM_RATE_8000_48000 | \ + SNDRV_PCM_RATE_96000) +#define AW883XX_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_S24_LE | \ + SNDRV_PCM_FMTBIT_S32_LE) +#define AW883XX_ACF_FILE "aw883xx_acf.bin" +#define AW_REQUEST_FW_RETRIES 5 /* 5 times */ +#define AW_SYNC_LOAD + +#define FADE_TIME_MAX 1000000 +#define FADE_TIME_MIN 0 + +static const struct regmap_config aw883xx_remap_config = { + .val_bits = 16, + .reg_bits = 8, + .max_register = AW_PID_2049_REG_MAX - 1, +}; + +/* + * aw883xx dsp write/read + */ +static int aw883xx_dsp_write_16bit(struct aw883xx *aw883xx, + uint16_t dsp_addr, uint32_t dsp_data) +{ + int ret; + struct aw_dsp_mem_desc *desc = &aw883xx->aw_pa->dsp_mem_desc; + + ret = regmap_write(aw883xx->regmap, desc->dsp_madd_reg, dsp_addr); + if (ret < 0) { + dev_err(aw883xx->dev, "%s error, ret=%d", __func__, ret); + return ret; + } + + ret = regmap_write(aw883xx->regmap, desc->dsp_mdat_reg, (uint16_t)dsp_data); + if (ret < 0) { + dev_err(aw883xx->dev, "%s error, ret=%d", __func__, ret); + return ret; + } + + return 0; +} + +static int aw883xx_dsp_write_32bit(struct aw883xx *aw883xx, + uint16_t dsp_addr, uint32_t dsp_data) +{ + int ret; + uint16_t temp_data = 0; + struct aw_dsp_mem_desc *desc = &aw883xx->aw_pa->dsp_mem_desc; + + ret = regmap_write(aw883xx->regmap, desc->dsp_madd_reg, dsp_addr); + if (ret < 0) { + dev_err(aw883xx->dev, "%s error, ret=%d", __func__, ret); + return ret; + } + + temp_data = dsp_data & AW883XX_DSP_16_DATA_MASK; + ret = regmap_write(aw883xx->regmap, desc->dsp_mdat_reg, temp_data); + if (ret < 0) { + dev_err(aw883xx->dev, "%s error, ret=%d", __func__, ret); + return ret; + } + + temp_data = dsp_data >> 16; + ret = regmap_write(aw883xx->regmap, desc->dsp_mdat_reg, temp_data); + if (ret < 0) { + dev_err(aw883xx->dev, "%s error, ret=%d", __func__, ret); + return ret; + } + + return 0; +} + +/* + * aw883xx clear dsp chip select state + */ +static void aw883xx_clear_dsp_sel_st(struct aw883xx *aw883xx) +{ + unsigned int reg_value; + uint8_t reg = aw883xx->aw_pa->soft_rst.reg; + + regmap_read(aw883xx->regmap, reg, ®_value); +} + +int aw883xx_dsp_write(struct aw883xx *aw883xx, + uint16_t dsp_addr, uint32_t dsp_data, uint8_t data_type) +{ + int ret = -1; + + mutex_lock(&aw883xx->dsp_lock); + switch (data_type) { + case AW_DSP_16_DATA: + ret = aw883xx_dsp_write_16bit(aw883xx, dsp_addr, dsp_data); + if (ret < 0) + dev_err(aw883xx->dev, "write dsp_addr[0x%04x] 16 bit dsp_data[%04x] failed", + (uint32_t)dsp_addr, dsp_data); + break; + case AW_DSP_32_DATA: + ret = aw883xx_dsp_write_32bit(aw883xx, dsp_addr, dsp_data); + if (ret < 0) + dev_err(aw883xx->dev, "write dsp_addr[0x%04x] 32 bit dsp_data[%08x] failed", + (uint32_t)dsp_addr, dsp_data); + break; + default: + dev_err(aw883xx->dev, "data type[%d] unsupported", data_type); + ret = -EINVAL; + break; + } + + aw883xx_clear_dsp_sel_st(aw883xx); + mutex_unlock(&aw883xx->dsp_lock); + return ret; +} + +static int aw883xx_dsp_read_16bit(struct aw883xx *aw883xx, + uint16_t dsp_addr, uint32_t *dsp_data) +{ + int ret; + unsigned int temp_data = 0; + struct aw_dsp_mem_desc *desc = &aw883xx->aw_pa->dsp_mem_desc; + + ret = regmap_write(aw883xx->regmap, desc->dsp_madd_reg, dsp_addr); + if (ret < 0) { + dev_err(aw883xx->dev, "i2c write error, ret=%d", ret); + return ret; + } + + ret = regmap_read(aw883xx->regmap, desc->dsp_mdat_reg, &temp_data); + if (ret < 0) { + dev_err(aw883xx->dev, "i2c write error, ret=%d", ret); + return ret; + } + + *dsp_data = temp_data; + + return 0; +} + +static int aw883xx_dsp_read_32bit(struct aw883xx *aw883xx, + uint16_t dsp_addr, uint32_t *dsp_data) +{ + int ret; + unsigned int temp_data = 0; + struct aw_dsp_mem_desc *desc = &aw883xx->aw_pa->dsp_mem_desc; + + /*write dsp addr*/ + ret = regmap_write(aw883xx->regmap, desc->dsp_madd_reg, dsp_addr); + if (ret < 0) { + dev_err(aw883xx->dev, "i2c write error, ret=%d", ret); + return ret; + } + + /*get Low 16 bit data*/ + ret = regmap_read(aw883xx->regmap, desc->dsp_mdat_reg, &temp_data); + if (ret < 0) { + dev_err(aw883xx->dev, "i2c read error, ret=%d", ret); + return ret; + } + + *dsp_data = temp_data; + + /*get high 16 bit data*/ + ret = regmap_read(aw883xx->regmap, desc->dsp_mdat_reg, &temp_data); + if (ret < 0) { + dev_err(aw883xx->dev, "i2c read error, ret=%d", ret); + return ret; + } + *dsp_data |= (temp_data << 16); + + return 0; +} + +int aw883xx_dsp_read(struct aw883xx *aw883xx, + uint16_t dsp_addr, uint32_t *dsp_data, uint8_t data_type) +{ + int ret = -1; + + mutex_lock(&aw883xx->dsp_lock); + switch (data_type) { + case AW_DSP_16_DATA: + ret = aw883xx_dsp_read_16bit(aw883xx, dsp_addr, dsp_data); + if (ret < 0) + dev_err(aw883xx->dev, "read dsp_addr[0x%04x] 16 bit dsp_data[%04x] failed", + (uint32_t)dsp_addr, *dsp_data); + break; + case AW_DSP_32_DATA: + ret = aw883xx_dsp_read_32bit(aw883xx, dsp_addr, dsp_data); + if (ret < 0) + dev_err(aw883xx->dev, "read dsp_addr[0x%04x] 32 bit dsp_data[%08x] failed", + (uint32_t)dsp_addr, *dsp_data); + break; + default: + dev_err(aw883xx->dev, "data type[%d] unsupported", data_type); + ret = -EINVAL; + break; + } + + aw883xx_clear_dsp_sel_st(aw883xx); + mutex_unlock(&aw883xx->dsp_lock); + return ret; +} + +static void aw883xx_start_pa(struct aw883xx *aw883xx) +{ + int ret, i; + + if (!aw883xx->allow_pw) { + dev_info(aw883xx->dev, "%s:dev can not allow power", __func__); + return; + } + + if (aw883xx->pstream == AW883XX_STREAM_CLOSE) { + dev_info(aw883xx->dev, "%s:pstream is close", __func__); + return; + } + + for (i = 0; i < AW_START_RETRIES; i++) { + ret = aw883xx_device_start(aw883xx->aw_pa); + if (ret) { + dev_err(aw883xx->dev, "aw883xx device start failed. retry = %d", i); + ret = aw883xx_dev_fw_update(aw883xx->aw_pa, AW_DSP_FW_UPDATE_ON, true); + if (ret < 0) { + dev_err(aw883xx->dev, "fw update failed"); + continue; + } + } else { + dev_info(aw883xx->dev, "start success\n"); + break; + } + } +} + +static void aw883xx_startup_work(struct work_struct *work) +{ + struct aw883xx *aw883xx = + container_of(work, struct aw883xx, start_work.work); + + mutex_lock(&aw883xx->lock); + aw883xx_start_pa(aw883xx); + mutex_unlock(&aw883xx->lock); +} + +static void aw883xx_start(struct aw883xx *aw883xx, bool sync_start) +{ + int ret; + int i; + + if (aw883xx->aw_pa->fw_status == AW_DEV_FW_OK) { + if (!aw883xx->allow_pw) { + dev_info(aw883xx->dev, "%s:dev can not allow power", __func__); + return; + } + + if (aw883xx->aw_pa->status == AW_DEV_PW_ON) + return; + + for (i = 0; i < AW_START_RETRIES; i++) { + ret = aw883xx_dev_fw_update(aw883xx->aw_pa, AW_DSP_FW_UPDATE_OFF, + aw883xx->phase_sync); + if (ret < 0) { + dev_err(aw883xx->dev, "fw update failed. retry = %d", i); + continue; + } else { + /*firmware update success*/ + if (sync_start == AW_SYNC_START) + aw883xx_start_pa(aw883xx); + else + queue_delayed_work(aw883xx->work_queue, + &aw883xx->start_work, + AW883XX_START_WORK_DELAY_MS); + + return; + } + } + } +} + +/* + * Digital Audio Interface + */ +static int aw883xx_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *codec = dai->component; + struct aw883xx *aw883xx = snd_soc_component_get_drvdata(codec); + + aw883xx->pstream = AW883XX_STREAM_OPEN; + + mutex_lock(&aw883xx->lock); + aw883xx_start(aw883xx, AW_ASYNC_START); + mutex_unlock(&aw883xx->lock); + + return 0; +} + +static void aw883xx_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *codec = dai->component; + struct aw883xx *aw883xx = snd_soc_component_get_drvdata(codec); + + aw883xx->pstream = AW883XX_STREAM_CLOSE; + cancel_delayed_work_sync(&aw883xx->start_work); + mutex_lock(&aw883xx->lock); + aw883xx_device_stop(aw883xx->aw_pa); + mutex_unlock(&aw883xx->lock); + +} + +static const struct snd_soc_dai_ops aw883xx_dai_ops = { + .startup = aw883xx_startup, + .shutdown = aw883xx_shutdown, +}; + +static struct snd_soc_dai_driver aw883xx_dai[] = { + { + .name = "aw883xx-aif", + .id = 1, + .playback = { + .stream_name = "Speaker_Playback", + .channels_min = 1, + .channels_max = 2, + .rates = AW883XX_RATES, + .formats = AW883XX_FORMATS, + }, + .capture = { + .stream_name = "Speaker_Capture", + .channels_min = 1, + .channels_max = 2, + .rates = AW883XX_RATES, + .formats = AW883XX_FORMATS, + }, + .ops = &aw883xx_dai_ops, + }, +}; + +static int aw883xx_fade_time_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + /* set kcontrol info */ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 1000000; + + return 0; +} + +/* + * codec driver + */ +static int aw883xx_get_fade_in_time(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + unsigned int time; + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct aw883xx *aw883xx = snd_soc_component_get_drvdata(component); + struct aw_device *aw_dev = aw883xx->aw_pa; + + aw883xx_dev_get_fade_time(&time, true, aw_dev); + ucontrol->value.integer.value[0] = time; + + dev_dbg(aw883xx->dev, "step time %ld", ucontrol->value.integer.value[0]); + + return 0; + +} + +static int aw883xx_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 aw883xx *aw883xx = snd_soc_component_get_drvdata(component); + struct aw_device *aw_dev = aw883xx->aw_pa; + + if ((ucontrol->value.integer.value[0] > FADE_TIME_MAX) || + (ucontrol->value.integer.value[0] < FADE_TIME_MIN)) { + dev_err(aw883xx->dev, "set val %ld overflow %d or less than :%d", + ucontrol->value.integer.value[0], FADE_TIME_MAX, FADE_TIME_MAX); + return -1; + } + + aw883xx_dev_set_fade_time(ucontrol->value.integer.value[0], true, aw_dev); + + dev_dbg(aw883xx->dev, "step time %ld", ucontrol->value.integer.value[0]); + return 1; +} + +static int aw883xx_get_fade_out_time(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + unsigned int time; + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct aw883xx *aw883xx = snd_soc_component_get_drvdata(component); + struct aw_device *aw_dev = aw883xx->aw_pa; + + aw883xx_dev_get_fade_time(&time, false, aw_dev); + ucontrol->value.integer.value[0] = time; + + dev_dbg(aw883xx->dev, "step time %ld", ucontrol->value.integer.value[0]); + + return 0; +} + +static int aw883xx_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 aw883xx *aw883xx = snd_soc_component_get_drvdata(component); + struct aw_device *aw_dev = aw883xx->aw_pa; + + if ((ucontrol->value.integer.value[0] > FADE_TIME_MAX) || + (ucontrol->value.integer.value[0] < FADE_TIME_MIN)) { + dev_err(aw883xx->dev, "set val %ld overflow %d or less than :%d", + ucontrol->value.integer.value[0], FADE_TIME_MAX, FADE_TIME_MIN); + return -1; + } + + aw883xx_dev_set_fade_time(ucontrol->value.integer.value[0], false, aw_dev); + + dev_dbg(aw883xx->dev, "step time %ld", ucontrol->value.integer.value[0]); + + return 1; +} + +static int aw883xx_profile_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + int count; + char *name = NULL; + const char *prof_name = NULL; + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct aw883xx *aw883xx = snd_soc_component_get_drvdata(codec); + + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + + count = aw883xx_dev_get_profile_count(aw883xx->aw_pa); + if (count <= 0) { + uinfo->value.enumerated.items = 0; + dev_err(aw883xx->dev, "get count[%d] failed", count); + 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 = aw_dev_get_prof_name(aw883xx->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 aw883xx_profile_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct aw883xx *aw883xx = snd_soc_component_get_drvdata(codec); + + ucontrol->value.integer.value[0] = aw883xx_dev_get_profile_index(aw883xx->aw_pa); + dev_dbg(codec->dev, "profile index [%d]", + aw883xx_dev_get_profile_index(aw883xx->aw_pa)); + return 0; + +} + +static int aw883xx_profile_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct aw883xx *aw883xx = snd_soc_component_get_drvdata(codec); + int ret; + int cur_index; + + if (!aw883xx->dbg_en_prof) { + dev_dbg(codec->dev, "profile close"); + return 0; + } + + /* check value valid */ + ret = aw883xx_dev_check_profile_index(aw883xx->aw_pa, ucontrol->value.integer.value[0]); + if (ret) { + dev_err(codec->dev, "unsupported index %ld", + ucontrol->value.integer.value[0]); + return -1; + } + + /*check cur_index == set value*/ + cur_index = aw883xx_dev_get_profile_index(aw883xx->aw_pa); + if (cur_index == ucontrol->value.integer.value[0]) { + dev_dbg(codec->dev, "index no change"); + return 0; + } + + /*pa stop or stopping just set profile*/ + mutex_lock(&aw883xx->lock); + aw883xx_dev_set_profile_index(aw883xx->aw_pa, ucontrol->value.integer.value[0]); + + if (aw883xx->pstream) { + aw883xx_device_stop(aw883xx->aw_pa); + aw883xx_start(aw883xx, AW_SYNC_START); + } + + mutex_unlock(&aw883xx->lock); + + dev_dbg(codec->dev, "profile id %ld", ucontrol->value.integer.value[0]); + return 1; +} + +static int aw883xx_switch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct aw883xx *aw883xx = snd_soc_component_get_drvdata(codec); + + ucontrol->value.integer.value[0] = aw883xx->allow_pw; + + return 0; +} + +static int aw883xx_switch_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct aw883xx *aw883xx = snd_soc_component_get_drvdata(codec); + + dev_dbg(codec->dev, "set value:%ld", ucontrol->value.integer.value[0]); + + if (ucontrol->value.integer.value[0] == aw883xx->allow_pw) { + dev_dbg(aw883xx->dev, "PA switch not change"); + return 0; + } + + if (aw883xx->pstream) { + if (ucontrol->value.integer.value[0] == 0) { + cancel_delayed_work_sync(&aw883xx->start_work); + mutex_lock(&aw883xx->lock); + aw883xx_device_stop(aw883xx->aw_pa); + aw883xx->allow_pw = false; + mutex_unlock(&aw883xx->lock); + } else { + cancel_delayed_work_sync(&aw883xx->start_work); + mutex_lock(&aw883xx->lock); + aw883xx->allow_pw = true; + aw883xx_start(aw883xx, AW_SYNC_START); + mutex_unlock(&aw883xx->lock); + } + } else { + mutex_lock(&aw883xx->lock); + if (ucontrol->value.integer.value[0] == 0) + aw883xx->allow_pw = false; + else + aw883xx->allow_pw = true; + mutex_unlock(&aw883xx->lock); + } + + return 1; +} + +static int aw883xx_volume_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct aw883xx *aw883xx = snd_soc_component_get_drvdata(codec); + struct aw_volume_desc *vol_desc = &aw883xx->aw_pa->volume_desc; + + /* set kcontrol info */ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = vol_desc->mute_volume; + + return 0; +} + +static int aw883xx_volume_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct aw883xx *aw883xx = snd_soc_component_get_drvdata(codec); + struct aw_volume_desc *vol_desc = &aw883xx->aw_pa->volume_desc; + + ucontrol->value.integer.value[0] = vol_desc->ctl_volume; + + dev_dbg(aw883xx->dev, "ucontrol->value.integer.value[0]=%d", + vol_desc->ctl_volume); + + return 0; +} + +static int aw883xx_volume_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + uint16_t value = 0; + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct aw883xx *aw883xx = snd_soc_component_get_drvdata(codec); + struct aw_volume_desc *vol_desc = &aw883xx->aw_pa->volume_desc; + + value = (uint16_t)ucontrol->value.integer.value[0]; + if (value > vol_desc->mute_volume) { + dev_err(aw883xx->dev, "value over range\n"); + return -EINVAL; + } + + dev_dbg(aw883xx->dev, "ucontrol->value.integer.value[0]=%d", value); + + vol_desc->ctl_volume = value; + + aw883xx_dev_set_volume(aw883xx->aw_pa, vol_desc->ctl_volume); + + return 1; +} + +static int aw883xx_fade_step_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct aw883xx *aw883xx = snd_soc_component_get_drvdata(codec); + + /* set kcontrol info */ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = aw883xx->aw_pa->volume_desc.mute_volume; + + return 0; +} + +static int aw883xx_get_fade_step(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct aw883xx *aw883xx = snd_soc_component_get_drvdata(codec); + + ucontrol->value.integer.value[0] = aw883xx_dev_get_fade_vol_step(aw883xx->aw_pa); + + return 0; +} +static int aw883xx_set_fade_step(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct aw883xx *aw883xx = snd_soc_component_get_drvdata(codec); + + if (ucontrol->value.integer.value[0] > aw883xx->aw_pa->volume_desc.mute_volume) { + dev_err(aw883xx->dev, "step overflow %ld Db", ucontrol->value.integer.value[0]); + return -1; + } + + aw883xx_dev_set_fade_vol_step(aw883xx->aw_pa, ucontrol->value.integer.value[0]); + + return 1; +} +static int aw883xx_dynamic_create_controls(struct aw883xx *aw883xx) +{ + struct snd_kcontrol_new *aw883xx_dev_control = NULL; + char *kctl_name = NULL; + + aw883xx_dev_control = devm_kzalloc(aw883xx->codec->dev, + sizeof(struct snd_kcontrol_new) * AW_KCONTROL_NUM, GFP_KERNEL); + if (!aw883xx_dev_control) + return -ENOMEM; + + kctl_name = devm_kzalloc(aw883xx->codec->dev, AW_NAME_BUF_MAX, GFP_KERNEL); + if (!kctl_name) + return -ENOMEM; + + snprintf(kctl_name, AW_NAME_BUF_MAX, "aw_dev_%u_prof", + aw883xx->aw_pa->channel); + + aw883xx_dev_control[0].name = kctl_name; + aw883xx_dev_control[0].iface = SNDRV_CTL_ELEM_IFACE_MIXER; + aw883xx_dev_control[0].info = aw883xx_profile_info; + aw883xx_dev_control[0].get = aw883xx_profile_get; + aw883xx_dev_control[0].put = aw883xx_profile_set; + + kctl_name = devm_kzalloc(aw883xx->codec->dev, AW_NAME_BUF_MAX, GFP_KERNEL); + if (!kctl_name) + return -ENOMEM; + + snprintf(kctl_name, AW_NAME_BUF_MAX, "aw_dev_%u_switch", aw883xx->aw_pa->channel); + + aw883xx_dev_control[1].name = kctl_name; + aw883xx_dev_control[1].iface = SNDRV_CTL_ELEM_IFACE_MIXER; + aw883xx_dev_control[1].info = snd_soc_info_bool_ext; + aw883xx_dev_control[1].get = aw883xx_switch_get; + aw883xx_dev_control[1].put = aw883xx_switch_set; + + kctl_name = devm_kzalloc(aw883xx->codec->dev, AW_NAME_BUF_MAX, GFP_KERNEL); + if (!kctl_name) + return -ENOMEM; + + snprintf(kctl_name, AW_NAME_BUF_MAX, "aw_dev_%d_rx_volume", aw883xx->aw_pa->channel); + + aw883xx_dev_control[2].name = kctl_name; + aw883xx_dev_control[2].iface = SNDRV_CTL_ELEM_IFACE_MIXER; + aw883xx_dev_control[2].info = aw883xx_volume_info; + aw883xx_dev_control[2].get = aw883xx_volume_get; + aw883xx_dev_control[2].put = aw883xx_volume_set; + + kctl_name = devm_kzalloc(aw883xx->codec->dev, AW_NAME_BUF_MAX, GFP_KERNEL); + if (!kctl_name) + return -ENOMEM; + + snprintf(kctl_name, AW_NAME_BUF_MAX, "aw_dev_%d_fadeout_us", aw883xx->aw_pa->channel); + + aw883xx_dev_control[3].name = kctl_name; + aw883xx_dev_control[3].iface = SNDRV_CTL_ELEM_IFACE_MIXER; + aw883xx_dev_control[3].info = aw883xx_fade_time_info; + aw883xx_dev_control[3].get = aw883xx_get_fade_out_time; + aw883xx_dev_control[3].put = aw883xx_set_fade_out_time; + + kctl_name = devm_kzalloc(aw883xx->codec->dev, AW_NAME_BUF_MAX, GFP_KERNEL); + if (!kctl_name) + return -ENOMEM; + + snprintf(kctl_name, AW_NAME_BUF_MAX, "aw_dev_%d_fadein_us", aw883xx->aw_pa->channel); + + aw883xx_dev_control[4].name = kctl_name; + aw883xx_dev_control[4].iface = SNDRV_CTL_ELEM_IFACE_MIXER; + aw883xx_dev_control[4].info = aw883xx_fade_time_info; + aw883xx_dev_control[4].get = aw883xx_get_fade_in_time; + aw883xx_dev_control[4].put = aw883xx_set_fade_in_time; + + kctl_name = devm_kzalloc(aw883xx->codec->dev, AW_NAME_BUF_MAX, GFP_KERNEL); + if (!kctl_name) + return -ENOMEM; + + snprintf(kctl_name, AW_NAME_BUF_MAX, "aw_dev_%d_fade_step", aw883xx->aw_pa->channel); + + aw883xx_dev_control[5].name = kctl_name; + aw883xx_dev_control[5].iface = SNDRV_CTL_ELEM_IFACE_MIXER; + aw883xx_dev_control[5].info = aw883xx_fade_step_info; + aw883xx_dev_control[5].get = aw883xx_get_fade_step; + aw883xx_dev_control[5].put = aw883xx_set_fade_step; + + snd_soc_add_component_controls(aw883xx->codec, + aw883xx_dev_control, AW_KCONTROL_NUM); + + return 0; +} + +static int aw883xx_request_firmware_file(struct aw883xx *aw883xx) +{ + const struct firmware *cont = NULL; + int ret = -1; + + aw883xx->aw_pa->fw_status = AW_DEV_FW_FAILED; + + ret = request_firmware(&cont, AW883XX_ACF_FILE, aw883xx->dev); + if ((ret < 0) || (!cont)) { + dev_err(aw883xx->dev, "load [%s] failed!", AW883XX_ACF_FILE); + return ret; + } + + dev_info(aw883xx->dev, "loaded %s - size: %zu", + AW883XX_ACF_FILE, cont ? cont->size : 0); + + aw883xx->aw_cfg = vzalloc(cont->size + sizeof(int)); + if (!aw883xx->aw_cfg) { + release_firmware(cont); + return -ENOMEM; + } + aw883xx->aw_cfg->len = (int)cont->size; + memcpy(aw883xx->aw_cfg->data, cont->data, cont->size); + ret = aw883xx_dev_load_acf_check(aw883xx->aw_cfg); + if (ret < 0) { + dev_err(aw883xx->dev, "Load [%s] failed ....!", AW883XX_ACF_FILE); + vfree(aw883xx->aw_cfg); + aw883xx->aw_cfg = NULL; + release_firmware(cont); + return ret; + } + release_firmware(cont); + + dev_dbg(aw883xx->dev, "%s : bin load success\n", __func__); + + mutex_lock(&aw883xx->lock); + /*aw device init*/ + ret = aw883xx_device_init(aw883xx->aw_pa, aw883xx->aw_cfg); + if (ret < 0) { + dev_err(aw883xx->dev, "dev init failed"); + mutex_unlock(&aw883xx->lock); + return ret; + } + + aw883xx_dynamic_create_controls(aw883xx); + + mutex_unlock(&aw883xx->lock); + + return 0; +} + +static const struct snd_soc_dapm_widget aw883xx_dapm_widgets[] = { + /* playback */ + SND_SOC_DAPM_AIF_IN("AIF_RX", "Speaker_Playback", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_OUTPUT("audio_out"), + /* capture */ + SND_SOC_DAPM_AIF_OUT("AIF_TX", "Speaker_Capture", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_INPUT("iv_in"), +}; + +static const struct snd_soc_dapm_route aw883xx_audio_map[] = { + {"audio_out", NULL, "AIF_RX"}, + {"AIF_TX", NULL, "iv_in"}, +}; + +static int aw883xx_add_widgets(struct aw883xx *aw883xx) +{ + struct snd_soc_dapm_widget *aw_widgets = NULL; + struct snd_soc_dapm_route *aw_route = NULL; + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(aw883xx->codec); + + /*add widgets*/ + aw_widgets = devm_kzalloc(aw883xx->dev, + sizeof(struct snd_soc_dapm_widget) * + ARRAY_SIZE(aw883xx_dapm_widgets), + GFP_KERNEL); + if (!aw_widgets) + return -ENOMEM; + + memcpy(aw_widgets, aw883xx_dapm_widgets, + sizeof(struct snd_soc_dapm_widget) * ARRAY_SIZE(aw883xx_dapm_widgets)); + + snd_soc_dapm_new_controls(dapm, aw_widgets, ARRAY_SIZE(aw883xx_dapm_widgets)); + + /*add route*/ + aw_route = devm_kzalloc(aw883xx->dev, + sizeof(struct snd_soc_dapm_route) * ARRAY_SIZE(aw883xx_audio_map), + GFP_KERNEL); + if (!aw_route) + return -ENOMEM; + + memcpy(aw_route, aw883xx_audio_map, + sizeof(struct snd_soc_dapm_route) * ARRAY_SIZE(aw883xx_audio_map)); + + snd_soc_dapm_add_routes(dapm, aw_route, ARRAY_SIZE(aw883xx_audio_map)); + + return 0; +} + +static int aw883xx_codec_probe(struct snd_soc_component *aw_codec) +{ + struct aw883xx *aw883xx = snd_soc_component_get_drvdata(aw_codec); + + /*destroy_workqueue(struct workqueue_struct *wq)*/ + aw883xx->work_queue = create_singlethread_workqueue("aw883xx"); + if (!aw883xx->work_queue) { + dev_err(aw883xx->dev, "create workqueue failed !"); + return -EINVAL; + } + + INIT_DELAYED_WORK(&aw883xx->start_work, aw883xx_startup_work); + + aw883xx->codec = aw_codec; + + aw883xx_add_widgets(aw883xx); + + aw883xx_request_firmware_file(aw883xx); + + return 0; +} + +static void aw883xx_codec_remove(struct snd_soc_component *aw_codec) +{ + struct aw883xx *aw883xx = snd_soc_component_get_drvdata(aw_codec); + + cancel_delayed_work_sync(&aw883xx->start_work); + + if (aw883xx->work_queue) + destroy_workqueue(aw883xx->work_queue); + + aw883xx_dev_deinit(aw883xx->aw_pa); +} + +static const struct snd_soc_component_driver soc_codec_dev_aw883xx = { + .probe = aw883xx_codec_probe, + .remove = aw883xx_codec_remove, +}; + +static int aw883xx_componet_codec_register(struct aw883xx *aw883xx) +{ + struct snd_soc_dai_driver *dai_drv = NULL; + int ret; + + dai_drv = devm_kzalloc(aw883xx->dev, sizeof(aw883xx_dai), GFP_KERNEL); + if (!dai_drv) + return -ENOMEM; + + memcpy(dai_drv, aw883xx_dai, sizeof(aw883xx_dai)); + + ret = snd_soc_register_component(aw883xx->dev, + &soc_codec_dev_aw883xx, + dai_drv, ARRAY_SIZE(aw883xx_dai)); + if (ret < 0) { + dev_err(aw883xx->dev, "failed to register aw883xx: %d", ret); + return ret; + } + + return 0; +} + +static struct aw883xx *aw883xx_malloc_init(struct i2c_client *i2c) +{ + struct aw883xx *aw883xx = devm_kzalloc(&i2c->dev, + sizeof(struct aw883xx), GFP_KERNEL); + if (!aw883xx) + return NULL; + + aw883xx->dev = &i2c->dev; + aw883xx->i2c = i2c; + aw883xx->aw_pa = NULL; + aw883xx->codec = NULL; + aw883xx->dbg_en_prof = true; + aw883xx->allow_pw = true; + aw883xx->work_queue = NULL; + mutex_init(&aw883xx->lock); + mutex_init(&aw883xx->dsp_lock); + + return aw883xx; +} + +static void aw883xx_parse_sync_flag_dt(struct aw883xx *aw883xx) +{ + int ret; + int32_t sync_enable = 0; + struct device_node *np = aw883xx->dev->of_node; + + ret = of_property_read_u32(np, "sync-flag", &sync_enable); + if (ret < 0) { + dev_dbg(aw883xx->dev, + "read sync flag failed,default phase sync off"); + sync_enable = false; + } else { + dev_dbg(aw883xx->dev, + "sync flag is %d", sync_enable); + } + + aw883xx->phase_sync = sync_enable; +} + +static int aw883xx_hw_reset(struct aw883xx *aw883xx) +{ + if (aw883xx->reset_gpio) { + gpiod_set_value_cansleep(aw883xx->reset_gpio, 0); + usleep_range(AW_1000_US, AW_1000_US + 10); + gpiod_set_value_cansleep(aw883xx->reset_gpio, 1); + usleep_range(AW_1000_US, AW_1000_US + 10); + } else { + dev_err(aw883xx->dev, "%s failed", __func__); + } + return 0; +} + +static int aw883xx_read_chipid(struct aw883xx *aw883xx) +{ + int ret = -1; + int reg_val = 0; + + ret = regmap_read(aw883xx->regmap, AW883XX_CHIP_ID_REG, ®_val); + if (ret) + return -EIO; + + dev_info(aw883xx->dev, "chip id = %x\n", reg_val); + aw883xx->chip_id = reg_val; + + return 0; +} + +static ssize_t rw_store(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) +{ + struct aw883xx *aw883xx = dev_get_drvdata(dev); + unsigned int databuf[2] = { 0 }; + + if (sscanf(buf, "%x %x", &databuf[0], &databuf[1]) == 2) { + aw883xx->reg_addr = (uint8_t)databuf[0]; + if (aw883xx->aw_pa->ops.aw_check_rd_access(databuf[0])) + regmap_write(aw883xx->regmap, databuf[0], databuf[1]); + } else { + if (sscanf(buf, "%x", &databuf[0]) == 1) + aw883xx->reg_addr = (uint8_t)databuf[0]; + } + + return count; +} + +static ssize_t rw_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct aw883xx *aw883xx = dev_get_drvdata(dev); + ssize_t len = 0; + unsigned int reg_val = 0; + + if (aw883xx->aw_pa->ops.aw_check_rd_access(aw883xx->reg_addr)) { + regmap_read(aw883xx->regmap, aw883xx->reg_addr, ®_val); + len += snprintf(buf + len, PAGE_SIZE - len, + "reg:0x%02x=0x%04x\n", aw883xx->reg_addr, + reg_val); + } + + return len; +} + +static ssize_t dsp_rw_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct aw883xx *aw883xx = dev_get_drvdata(dev); + ssize_t len = 0; + unsigned int reg_val = 0; + + mutex_lock(&aw883xx->dsp_lock); + regmap_write(aw883xx->regmap, aw883xx->aw_pa->dsp_mem_desc.dsp_madd_reg, aw883xx->dsp_addr); + regmap_read(aw883xx->regmap, aw883xx->aw_pa->dsp_mem_desc.dsp_mdat_reg, ®_val); + len += snprintf(buf + len, PAGE_SIZE - len, + "dsp:0x%04x=0x%04x\n", aw883xx->dsp_addr, reg_val); + regmap_read(aw883xx->regmap, aw883xx->aw_pa->dsp_mem_desc.dsp_mdat_reg, ®_val); + len += snprintf(buf + len, PAGE_SIZE - len, + "dsp:0x%04x=0x%04x\n", aw883xx->dsp_addr + 1, reg_val); + aw883xx_clear_dsp_sel_st(aw883xx); + mutex_unlock(&aw883xx->dsp_lock); + + return len; +} + +static ssize_t dsp_rw_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct aw883xx *aw883xx = dev_get_drvdata(dev); + unsigned int databuf[2] = { 0 }; + + if (sscanf(buf, "%x %x", &databuf[0], &databuf[1]) == 2) { + aw883xx->dsp_addr = (unsigned int)databuf[0]; + aw883xx_dsp_write(aw883xx, databuf[0], databuf[1], AW_DSP_16_DATA); + dev_dbg(aw883xx->dev, "get param: %x %x", + databuf[0], databuf[1]); + } else if (sscanf(buf, "%x", &databuf[0]) == 1) { + aw883xx->dsp_addr = (unsigned int)databuf[0]; + dev_dbg(aw883xx->dev, "get param: %x", + databuf[0]); + } + aw883xx_clear_dsp_sel_st(aw883xx); + + return count; +} + +static int aw883xx_awrw_write(struct aw883xx *aw883xx, const char *buf, size_t count) +{ + int i, ret; + char *data_buf = NULL; + int str_len, data_len, temp_data; + struct aw883xx_i2c_packet *packet = &aw883xx->i2c_packet; + uint32_t dsp_addr_h = 0, dsp_addr_l = 0; + + if (!buf) { + dev_err(aw883xx->dev, "awrw buf is NULL"); + return -EINVAL; + } + + data_len = AWRW_DATA_BYTES * packet->reg_num; + + str_len = count - AWRW_HDR_LEN - 1; + if ((data_len * 5 - 1) > str_len) { + dev_err(aw883xx->dev, "data_str_len [%d], requeset len [%d]", + str_len, (data_len * 5 - 1)); + return -EINVAL; + } + + if (packet->reg_addr == aw883xx->aw_pa->dsp_mem_desc.dsp_madd_reg) { + if (sscanf(buf + AWRW_HDR_LEN + 1, + "0x%02x 0x%02x", &dsp_addr_h, + &dsp_addr_l) == 2) { + packet->dsp_addr = (dsp_addr_h << 8) | dsp_addr_l; + packet->dsp_status = AWRW_DSP_READY; + dev_dbg(aw883xx->dev, "write:reg_addr[0x%02x], dsp_base_addr:[0x%02x]", + packet->reg_addr, packet->dsp_addr); + } else { + dev_err(aw883xx->dev, "get reg 0x%x data failed", packet->reg_addr); + return -EINVAL; + } + return 0; + } + + mutex_lock(&aw883xx->dsp_lock); + if (packet->reg_addr == aw883xx->aw_pa->dsp_mem_desc.dsp_mdat_reg) { + if (packet->dsp_status != AWRW_DSP_READY) { + dev_err(aw883xx->dev, "please write reg[0x40] first"); + ret = -EINVAL; + goto exit; + } + regmap_write(aw883xx->regmap, + aw883xx->aw_pa->dsp_mem_desc.dsp_madd_reg, + packet->dsp_addr); + packet->dsp_status = AWRW_DSP_ST_NONE; + } + + dev_dbg(aw883xx->dev, "write:reg_addr[0x%02x], reg_num[%d]", + packet->reg_addr, packet->reg_num); + + data_buf = devm_kzalloc(aw883xx->dev, data_len, GFP_KERNEL); + if (!data_buf) { + ret = -ENOMEM; + goto exit; + } + + for (i = 0; i < data_len; i++) { + if (sscanf(buf + AWRW_HDR_LEN + 1 + i * 5, "0x%02x", &temp_data) == 1) + data_buf[i] = temp_data; + } + + ret = regmap_raw_write(aw883xx->regmap, packet->reg_addr, data_buf, data_len); + if (ret < 0) { + dev_err(aw883xx->dev, "write failed"); + devm_kfree(aw883xx->dev, data_buf); + data_buf = NULL; + goto exit; + } + + devm_kfree(aw883xx->dev, data_buf); + data_buf = NULL; +exit: + mutex_unlock(&aw883xx->dsp_lock); + return ret; +} + +static int aw883xx_awrw_data_check(struct aw883xx *aw883xx, int *data) +{ + if ((data[AWRW_HDR_ADDR_BYTES] != AWRW_ADDR_BYTES) || + (data[AWRW_HDR_DATA_BYTES] != AWRW_DATA_BYTES)) { + dev_err(aw883xx->dev, "addr_bytes [%d] or data_bytes [%d] unsupport", + data[AWRW_HDR_ADDR_BYTES], data[AWRW_HDR_DATA_BYTES]); + return -EINVAL; + } + + return 0; +} + +/* flag addr_bytes data_bytes reg_num reg_addr*/ +static int aw883xx_awrw_parse_buf(struct aw883xx *aw883xx, const char *buf, size_t count) +{ + int data[AWRW_HDR_MAX] = { 0 }; + struct aw883xx_i2c_packet *packet = &aw883xx->i2c_packet; + int ret; + + if (sscanf(buf, "0x%02x 0x%02x 0x%02x 0x%02x 0x%02x", + &data[AWRW_HDR_WR_FLAG], &data[AWRW_HDR_ADDR_BYTES], &data[AWRW_HDR_DATA_BYTES], + &data[AWRW_HDR_REG_NUM], &data[AWRW_HDR_REG_ADDR]) == 5) { + + ret = aw883xx_awrw_data_check(aw883xx, data); + if (ret < 0) + return ret; + + packet->reg_addr = data[AWRW_HDR_REG_ADDR]; + packet->reg_num = data[AWRW_HDR_REG_NUM]; + + switch (data[AWRW_HDR_WR_FLAG]) { + case AWRW_FLAG_WRITE: + return aw883xx_awrw_write(aw883xx, buf, count); + case AWRW_FLAG_READ: + packet->i2c_status = AWRW_I2C_ST_READ; + dev_dbg(aw883xx->dev, "read_cmd:reg_addr[0x%02x], reg_num[%d]", + packet->reg_addr, packet->reg_num); + return 0; + default: + dev_err(aw883xx->dev, + "please check str format, unsupport flag %d", + data[AWRW_HDR_WR_FLAG]); + return -EINVAL; + } + } else { + dev_err(aw883xx->dev, "can not parse string"); + return -EINVAL; + } + + return 0; +} + +static ssize_t awrw_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct aw883xx *aw883xx = dev_get_drvdata(dev); + int ret; + + if (count < AWRW_HDR_LEN) { + dev_err(dev, "data count too smaller, please check write format"); + dev_err(dev, "string %s", buf); + return -EINVAL; + } + + ret = aw883xx_awrw_parse_buf(aw883xx, buf, count); + if (ret) + return -EINVAL; + + return count; +} + +static ssize_t awrw_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct aw883xx *aw883xx = dev_get_drvdata(dev); + struct aw883xx_i2c_packet *packet = &aw883xx->i2c_packet; + int data_len, len = 0; + int ret, i; + char *reg_data = NULL; + + if (packet->i2c_status != AWRW_I2C_ST_READ) { + dev_err(aw883xx->dev, "please write read cmd first"); + return -EINVAL; + } + + mutex_lock(&aw883xx->dsp_lock); + if (packet->reg_addr == aw883xx->aw_pa->dsp_mem_desc.dsp_mdat_reg) { + if (packet->dsp_status != AWRW_DSP_READY) { + dev_err(aw883xx->dev, "please write reg[0x40] first"); + mutex_unlock(&aw883xx->dsp_lock); + return -EINVAL; + } + ret = regmap_write(aw883xx->regmap, + aw883xx->aw_pa->dsp_mem_desc.dsp_madd_reg, + packet->dsp_addr); + if (ret < 0) { + mutex_unlock(&aw883xx->dsp_lock); + return ret; + } + packet->dsp_status = AWRW_DSP_ST_NONE; + } + + data_len = AWRW_DATA_BYTES * packet->reg_num; + reg_data = devm_kzalloc(dev, data_len, GFP_KERNEL); + if (!reg_data) { + ret = -EINVAL; + goto exit; + } + + ret = regmap_raw_read(aw883xx->regmap, packet->reg_addr, (void *)reg_data, data_len); + if (ret < 0) { + ret = -EFAULT; + goto exit; + } + + dev_dbg(aw883xx->dev, "reg_addr 0x%02x, reg_num %d", + packet->reg_addr, packet->reg_num); + + for (i = 0; i < data_len; i++) { + len += snprintf(buf + len, PAGE_SIZE - len, + "0x%02x,", reg_data[i]); + } + + ret = len; + +exit: + if (reg_data) { + devm_kfree(dev, reg_data); + reg_data = NULL; + } + mutex_unlock(&aw883xx->dsp_lock); + packet->i2c_status = AWRW_I2C_ST_NONE; + return ret; +} + +static ssize_t dbg_prof_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct aw883xx *aw883xx = dev_get_drvdata(dev); + unsigned int databuf = 0; + int ret = 0; + + ret = kstrtoint(buf, 0, &databuf); + if (ret == 0) { + if (databuf) + aw883xx->dbg_en_prof = true; + else + aw883xx->dbg_en_prof = false; + } + + dev_dbg(aw883xx->dev, "en_prof %d Done", databuf); + + return count; +} + +static ssize_t dbg_prof_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct aw883xx *aw883xx = dev_get_drvdata(dev); + ssize_t len = 0; + + len += snprintf(buf+len, PAGE_SIZE-len, + " %d\n", aw883xx->dbg_en_prof); + + return len; +} + +static ssize_t phase_sync_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct aw883xx *aw883xx = dev_get_drvdata(dev); + unsigned int flag = 0; + int ret; + + ret = kstrtouint(buf, 0, &flag); + if (ret < 0) + return ret; + + flag = ((flag == false) ? false : true); + + dev_dbg(aw883xx->dev, "set phase sync flag : [%d]", flag); + + aw883xx->phase_sync = flag; + + return count; +} + +static ssize_t phase_sync_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct aw883xx *aw883xx = dev_get_drvdata(dev); + ssize_t len = 0; + + len += snprintf(buf + len, PAGE_SIZE - len, + "sync flag : %d\n", aw883xx->phase_sync); + + return len; +} + +static ssize_t fade_enable_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct aw883xx *aw883xx = dev_get_drvdata(dev); + uint32_t fade_en = 0; + int ret = 0; + + ret = kstrtouint(buf, 0, &fade_en); + if (ret == 0) + aw883xx->aw_pa->fade_en = fade_en; + + dev_dbg(aw883xx->dev, "set fade_en %d", aw883xx->aw_pa->fade_en); + + return count; +} + +static ssize_t fade_enable_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct aw883xx *aw883xx = dev_get_drvdata(dev); + ssize_t len = 0; + + len += snprintf(buf+len, PAGE_SIZE-len, + "fade_en: %d\n", aw883xx->aw_pa->fade_en); + + return len; +} + +static int aw883xx_dsp_log_info(struct aw883xx *aw883xx, unsigned int base_addr, + uint32_t data_len, char *format) +{ + unsigned int reg_val = 0; + char *dsp_reg_info = NULL; + ssize_t dsp_info_len = 0; + int i; + + dsp_reg_info = devm_kzalloc(aw883xx->dev, AW_NAME_BUF_MAX, GFP_KERNEL); + if (!dsp_reg_info) + return -ENOMEM; + + mutex_lock(&aw883xx->dsp_lock); + regmap_write(aw883xx->regmap, aw883xx->aw_pa->dsp_mem_desc.dsp_madd_reg, base_addr); + + for (i = 0; i < data_len; i += 2) { + regmap_read(aw883xx->regmap, aw883xx->aw_pa->dsp_mem_desc.dsp_mdat_reg, ®_val); + dsp_info_len += snprintf(dsp_reg_info + dsp_info_len, + AW_NAME_BUF_MAX - dsp_info_len, + "%02x,%02x,", (reg_val >> 0) & 0xff, + (reg_val >> 8) & 0xff); + if ((i / 2 + 1) % 8 == 0) { + dev_dbg(aw883xx->dev, "%s: %s", format, dsp_reg_info); + dsp_info_len = 0; + memset(dsp_reg_info, 0, AW_NAME_BUF_MAX); + } + + if (((data_len) % 8 != 0) && + (i == (data_len - 2))) { + dev_dbg(aw883xx->dev, "%s: %s", format, dsp_reg_info); + dsp_info_len = 0; + memset(dsp_reg_info, 0, AW_NAME_BUF_MAX); + } + } + + dsp_info_len = 0; + memset(dsp_reg_info, 0, AW_NAME_BUF_MAX); + devm_kfree(aw883xx->dev, dsp_reg_info); + dsp_reg_info = NULL; + mutex_unlock(&aw883xx->dsp_lock); + + return 0; +} + +static ssize_t dsp_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct aw883xx *aw883xx = dev_get_drvdata(dev); + ssize_t len = 0; + int ret = -1; + uint32_t data_len; + + if (aw883xx->aw_pa->dsp_cfg == AW_DEV_DSP_BYPASS) { + len += snprintf((char *)(buf + len), PAGE_SIZE - len, + "%s: dsp bypass\n", __func__); + } else { + len += snprintf((char *)(buf + len), PAGE_SIZE - len, + "%s: dsp working\n", __func__); + ret = aw883xx_dev_get_iis_status(aw883xx->aw_pa); + if (ret < 0) { + len += snprintf((char *)(buf + len), + PAGE_SIZE - len, + "%s: no iis signal\n", + __func__); + dev_err(aw883xx->dev, "no iis signal, dsp show failed"); + return len; + } + + len += snprintf(buf + len, PAGE_SIZE - len, + "dsp firmware and config info is displayed in the kernel log\n"); + + dev_dbg(aw883xx->dev, "dsp_firmware_len:%d", aw883xx->aw_pa->dsp_fw_len); + ret = aw883xx_dsp_log_info(aw883xx, aw883xx->aw_pa->dsp_mem_desc.dsp_fw_base_addr, + aw883xx->aw_pa->dsp_fw_len, "dsp_fw"); + if (ret < 0) { + dev_err(aw883xx->dev, "dsp_fw display failed"); + return len; + } + + dev_dbg(aw883xx->dev, "dsp_config_len:%d", aw883xx->aw_pa->dsp_cfg_len); + ret = aw883xx_dsp_log_info(aw883xx, aw883xx->aw_pa->dsp_mem_desc.dsp_cfg_base_addr, + aw883xx->aw_pa->dsp_cfg_len, "dsp_config"); + if (ret < 0) { + dev_err(aw883xx->dev, "dsp_config display failed"); + return len; + } + + dev_dbg(aw883xx->dev, "dsp_config:0x8180-0x83fc"); + data_len = 2 * (aw883xx->aw_pa->dsp_st_desc.dsp_reg_e1 - + aw883xx->aw_pa->dsp_st_desc.dsp_reg_s1); + ret = aw883xx_dsp_log_info(aw883xx, aw883xx->aw_pa->dsp_st_desc.dsp_reg_s1, + data_len, "dsp_st"); + if (ret < 0) { + dev_err(aw883xx->dev, "dsp_config:0x8180-0x83fc failed"); + return len; + } + + dev_dbg(aw883xx->dev, "dsp_config:0x9c00-0x9c5c"); + data_len = 2 * (aw883xx->aw_pa->dsp_st_desc.dsp_reg_e2 - + aw883xx->aw_pa->dsp_st_desc.dsp_reg_s2); + ret = aw883xx_dsp_log_info(aw883xx, aw883xx->aw_pa->dsp_st_desc.dsp_reg_s2, + data_len, "dsp_st"); + if (ret < 0) { + dev_err(aw883xx->dev, "dsp_config:0x9c00-0x9c5c display failed"); + return len; + } + } + + return len; +} + +static ssize_t re_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct aw883xx *aw883xx = dev_get_drvdata(dev); + unsigned int databuf = 0; + int ret = 0; + + ret = kstrtoint(buf, 0, &databuf); + if (ret == 0) + aw883xx_dev_set_cali_re(aw883xx->aw_pa, databuf); + + dev_dbg(aw883xx->dev, "set cali_re %d mohm Done", databuf); + + return count; +} + +static ssize_t re_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + ssize_t len = 0; + struct aw883xx *aw883xx = dev_get_drvdata(dev); + + len += snprintf(buf+len, PAGE_SIZE-len, + "cali_re: %d mohm\n", aw883xx_dev_get_cali_re(aw883xx->aw_pa)); + + return len; +} + +static DEVICE_ATTR_RW(rw); +static DEVICE_ATTR_RW(dsp_rw); +static DEVICE_ATTR_RW(awrw); +static DEVICE_ATTR_RW(dbg_prof); +static DEVICE_ATTR_RW(phase_sync); +static DEVICE_ATTR_RW(fade_enable); +static DEVICE_ATTR_RO(dsp); +static DEVICE_ATTR_RW(re); + +static struct attribute *aw883xx_attributes[] = { + &dev_attr_rw.attr, + &dev_attr_dsp_rw.attr, + &dev_attr_awrw.attr, + &dev_attr_dbg_prof.attr, + &dev_attr_phase_sync.attr, + &dev_attr_fade_enable.attr, + &dev_attr_dsp.attr, + &dev_attr_re.attr, + NULL +}; + +static struct attribute_group aw883xx_attribute_group = { + .attrs = aw883xx_attributes +}; + +/* + * i2c driver + */ +static int aw883xx_i2c_probe(struct i2c_client *i2c) +{ + struct aw883xx *aw883xx = NULL; + int ret = -1; + + if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C)) { + dev_err(&i2c->dev, "check_functionality failed"); + return -EIO; + } + + aw883xx = aw883xx_malloc_init(i2c); + if (!aw883xx) { + dev_err(&i2c->dev, "malloc aw883xx failed"); + return -ENOMEM; + } + i2c_set_clientdata(i2c, aw883xx); + + aw883xx_parse_sync_flag_dt(aw883xx); + + aw883xx->reset_gpio = devm_gpiod_get_optional(&i2c->dev, + "reset", GPIOD_OUT_LOW); + if (IS_ERR(aw883xx->reset_gpio)) + dev_info(aw883xx->dev, "reset gpio not defined\n"); + + /* hardware reset */ + aw883xx_hw_reset(aw883xx); + + aw883xx->regmap = devm_regmap_init_i2c(i2c, &aw883xx_remap_config); + if (IS_ERR(aw883xx->regmap)) { + ret = PTR_ERR(aw883xx->regmap); + dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret); + return ret; + } + + /* aw883xx chip id */ + ret = aw883xx_read_chipid(aw883xx); + if (ret < 0) { + dev_err(&i2c->dev, "aw883xx_read_chipid failed ret=%d", ret); + return ret; + } + + /*aw pa init*/ + ret = aw883xx_init(aw883xx); + if (ret < 0) + return ret; + + ret = aw883xx_componet_codec_register(aw883xx); + if (ret) { + dev_err(&i2c->dev, "codec register failed"); + return ret; + } + + ret = sysfs_create_group(&i2c->dev.kobj, &aw883xx_attribute_group); + if (ret < 0) { + dev_err(&i2c->dev, "error creating sysfs attr files"); + goto err_sysfs; + } + + dev_set_drvdata(&i2c->dev, aw883xx); + + return 0; + +err_sysfs: + snd_soc_unregister_component(&i2c->dev); + return ret; +} + +static void aw883xx_i2c_remove(struct i2c_client *i2c) +{ + struct aw883xx *aw883xx = i2c_get_clientdata(i2c); + + sysfs_remove_group(&aw883xx->dev->kobj, + &aw883xx_attribute_group); + + /*free device resource */ + aw883xx_device_remove(aw883xx->aw_pa); + + snd_soc_unregister_component(&i2c->dev); + vfree(aw883xx->aw_cfg); + aw883xx->aw_cfg = NULL; +} + +static const struct i2c_device_id aw883xx_i2c_id[] = { + { AW883XX_I2C_NAME, 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, aw883xx_i2c_id); + +static struct i2c_driver aw883xx_i2c_driver = { + .driver = { + .name = AW883XX_I2C_NAME, + .owner = THIS_MODULE, + }, + .probe_new = aw883xx_i2c_probe, + .remove = aw883xx_i2c_remove, + .id_table = aw883xx_i2c_id, +}; +module_i2c_driver(aw883xx_i2c_driver); + +MODULE_DESCRIPTION("ASoC AW883XX Smart PA Driver"); +MODULE_LICENSE("GPL v2"); + diff --git a/sound/soc/codecs/aw883xx/aw883xx.h b/sound/soc/codecs/aw883xx/aw883xx.h new file mode 100644 index 000000000000..358d3dfca30e --- /dev/null +++ b/sound/soc/codecs/aw883xx/aw883xx.h @@ -0,0 +1,105 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * aw883xx.c -- ALSA Soc AW883XX codec support + * + * Copyright (c) 2022 AWINIC Technology CO., LTD + * + * Author: Bruce zhao zhaolei@awinic.com + */ + +#ifndef __AW883XX_H__ +#define __AW883XX_H__ + +#include <linux/version.h> +#include <sound/control.h> +#include <sound/soc.h> +#include "aw883xx_device.h" + +#define AW883XX_CHIP_ID_REG (0x00) +#define AW_START_RETRIES (5) +#define AW883XX_START_WORK_DELAY_MS (0) + + +#define AW883XX_DSP_16_DATA_MASK (0x0000ffff) + +#define AW_KCONTROL_NUM (6) + +enum { + AWRW_I2C_ST_NONE = 0, + AWRW_I2C_ST_READ, + AWRW_I2C_ST_WRITE, +}; + +enum { + AWRW_DSP_ST_NONE = 0, + AWRW_DSP_READY, +}; + +enum { + AW_SYNC_START = 0, + AW_ASYNC_START, +}; + + +#define AWRW_ADDR_BYTES (1) +#define AWRW_DATA_BYTES (2) +#define AWRW_HDR_LEN (24) + +enum { + AWRW_FLAG_WRITE = 0, + AWRW_FLAG_READ, +}; + +enum { + AWRW_HDR_WR_FLAG = 0, + AWRW_HDR_ADDR_BYTES, + AWRW_HDR_DATA_BYTES, + AWRW_HDR_REG_NUM, + AWRW_HDR_REG_ADDR, + AWRW_HDR_MAX, +}; + +struct aw883xx_i2c_packet { + unsigned char i2c_status; + unsigned char dsp_status; + unsigned int reg_num; + unsigned int reg_addr; + unsigned int dsp_addr; + char *reg_data; +}; + +enum { + AW883XX_STREAM_CLOSE = 0, + AW883XX_STREAM_OPEN, +}; + +struct aw883xx { + struct i2c_client *i2c; + struct device *dev; + struct mutex lock; + struct mutex dsp_lock; + struct snd_soc_component *codec; + struct aw_device *aw_pa; + struct gpio_desc *reset_gpio; + unsigned char phase_sync; /*phase sync*/ + uint32_t allow_pw; + uint8_t pstream; + uint8_t dbg_en_prof; + struct workqueue_struct *work_queue; + struct delayed_work start_work; + uint8_t reg_addr; + uint16_t dsp_addr; + uint16_t chip_id; + struct aw883xx_i2c_packet i2c_packet; + struct regmap *regmap; + struct aw_container *aw_cfg; +}; + +int aw883xx_init(struct aw883xx *aw883xx); + +int aw883xx_dsp_write(struct aw883xx *aw883xx, + uint16_t dsp_addr, uint32_t dsp_data, uint8_t data_type); +int aw883xx_dsp_read(struct aw883xx *aw883xx, + uint16_t dsp_addr, uint32_t *dsp_data, uint8_t data_type); + +#endif