--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// aw87390.c -- AW87390 ALSA SoC Audio driver
+//
+// Copyright (c) 2023 awinic Technology CO., LTD
+//
+// Author: Weidong Wang <wangweidong.a@awinic.com>
+//
+
+#include <linux/i2c.h>
+#include <linux/firmware.h>
+#include <linux/regmap.h>
+#include <sound/soc.h>
+#include "aw87390.h"
+#include "aw88395/aw88395_data_type.h"
+#include "aw88395/aw88395_device.h"
+
+static const struct regmap_config aw87390_remap_config = {
+ .val_bits = 8,
+ .reg_bits = 8,
+ .max_register = AW87390_REG_MAX,
+ .reg_format_endian = REGMAP_ENDIAN_LITTLE,
+ .val_format_endian = REGMAP_ENDIAN_BIG,
+};
+
+static int aw87390_dev_reg_update(struct aw_device *aw_dev,
+ unsigned char *data, unsigned int len)
+{
+ int i, ret;
+
+ if (!data) {
+ dev_err(aw_dev->dev, "data is NULL\n");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < len-1; i += 2) {
+ if (data[i] == AW87390_DELAY_REG_ADDR) {
+ usleep_range(data[i + 1] * AW87390_REG_DELAY_TIME,
+ data[i + 1] * AW87390_REG_DELAY_TIME + 10);
+ continue;
+ }
+ ret = regmap_write(aw_dev->regmap, data[i], data[i + 1]);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int aw87390_dev_get_prof_name(struct aw_device *aw_dev, int index, char **prof_name)
+{
+ struct aw_prof_info *prof_info = &aw_dev->prof_info;
+ struct aw_prof_desc *prof_desc;
+
+ if ((index >= aw_dev->prof_info.count) || (index < 0)) {
+ dev_err(aw_dev->dev, "index[%d] overflow count[%d]\n",
+ index, aw_dev->prof_info.count);
+ return -EINVAL;
+ }
+
+ prof_desc = &aw_dev->prof_info.prof_desc[index];
+
+ *prof_name = prof_info->prof_name_list[prof_desc->id];
+
+ return 0;
+}
+
+static int aw87390_dev_get_prof_data(struct aw_device *aw_dev, int index,
+ struct aw_prof_desc **prof_desc)
+{
+ if ((index >= aw_dev->prof_info.count) || (index < 0)) {
+ dev_err(aw_dev->dev, "%s: index[%d] overflow count[%d]\n",
+ __func__, index, aw_dev->prof_info.count);
+ return -EINVAL;
+ }
+
+ *prof_desc = &aw_dev->prof_info.prof_desc[index];
+
+ return 0;
+}
+
+static int aw87390_dev_fw_update(struct aw_device *aw_dev)
+{
+ struct aw_prof_desc *prof_index_desc;
+ struct aw_sec_data_desc *sec_desc;
+ char *prof_name;
+ int ret;
+
+ ret = aw87390_dev_get_prof_name(aw_dev, aw_dev->prof_index, &prof_name);
+ if (ret) {
+ dev_err(aw_dev->dev, "get prof name failed\n");
+ return -EINVAL;
+ }
+
+ dev_dbg(aw_dev->dev, "start update %s", prof_name);
+
+ ret = aw87390_dev_get_prof_data(aw_dev, aw_dev->prof_index, &prof_index_desc);
+ if (ret) {
+ dev_err(aw_dev->dev, "aw87390_dev_get_prof_data failed\n");
+ return ret;
+ }
+
+ /* update reg */
+ sec_desc = prof_index_desc->sec_desc;
+ ret = aw87390_dev_reg_update(aw_dev, sec_desc[AW88395_DATA_TYPE_REG].data,
+ sec_desc[AW88395_DATA_TYPE_REG].len);
+ if (ret) {
+ dev_err(aw_dev->dev, "update reg failed\n");
+ return ret;
+ }
+
+ aw_dev->prof_cur = aw_dev->prof_index;
+
+ return 0;
+}
+
+static int aw87390_power_off(struct aw_device *aw_dev)
+{
+ int ret;
+
+ if (aw_dev->status == AW87390_DEV_PW_OFF) {
+ dev_dbg(aw_dev->dev, "already power off\n");
+ return 0;
+ }
+
+ ret = regmap_write(aw_dev->regmap, AW87390_SYSCTRL_REG, AW87390_POWER_DOWN_VALUE);
+ if (ret)
+ return ret;
+ aw_dev->status = AW87390_DEV_PW_OFF;
+
+ return 0;
+}
+
+static int aw87390_power_on(struct aw_device *aw_dev)
+{
+ int ret;
+
+ if (aw_dev->status == AW87390_DEV_PW_ON) {
+ dev_dbg(aw_dev->dev, "already power on\n");
+ return 0;
+ }
+
+ if (!aw_dev->fw_status) {
+ dev_err(aw_dev->dev, "fw not load\n");
+ return -EINVAL;
+ }
+
+ ret = regmap_write(aw_dev->regmap, AW87390_SYSCTRL_REG, AW87390_POWER_DOWN_VALUE);
+ if (ret)
+ return ret;
+
+ ret = aw87390_dev_fw_update(aw_dev);
+ if (ret) {
+ dev_err(aw_dev->dev, "%s load profile failed\n", __func__);
+ return ret;
+ }
+ aw_dev->status = AW87390_DEV_PW_ON;
+
+ return 0;
+}
+
+static int aw87390_dev_set_profile_index(struct aw_device *aw_dev, int index)
+{
+ if ((index >= aw_dev->prof_info.count) || (index < 0))
+ return -EINVAL;
+
+ if (aw_dev->prof_index == index)
+ return -EPERM;
+
+ aw_dev->prof_index = index;
+
+ return 0;
+}
+
+static int aw87390_profile_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
+ struct aw87390 *aw87390 = snd_soc_component_get_drvdata(codec);
+ char *prof_name, *name;
+ int count, ret;
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+
+ count = aw87390->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;
+
+ name = uinfo->value.enumerated.name;
+ count = uinfo->value.enumerated.item;
+
+ ret = aw87390_dev_get_prof_name(aw87390->aw_pa, count, &prof_name);
+ if (ret) {
+ strscpy(uinfo->value.enumerated.name, "null",
+ strlen("null") + 1);
+ return 0;
+ }
+
+ strscpy(name, prof_name, sizeof(uinfo->value.enumerated.name));
+
+ return 0;
+}
+
+static int aw87390_profile_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
+ struct aw87390 *aw87390 = snd_soc_component_get_drvdata(codec);
+
+ ucontrol->value.integer.value[0] = aw87390->aw_pa->prof_index;
+
+ return 0;
+}
+
+static int aw87390_profile_set(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol);
+ struct aw87390 *aw87390 = snd_soc_component_get_drvdata(codec);
+ int ret;
+
+ mutex_lock(&aw87390->lock);
+ ret = aw87390_dev_set_profile_index(aw87390->aw_pa, ucontrol->value.integer.value[0]);
+ if (ret) {
+ dev_dbg(codec->dev, "profile index does not change\n");
+ mutex_unlock(&aw87390->lock);
+ return 0;
+ }
+
+ if (aw87390->aw_pa->status == AW87390_DEV_PW_ON) {
+ aw87390_power_off(aw87390->aw_pa);
+ aw87390_power_on(aw87390->aw_pa);
+ }
+
+ mutex_unlock(&aw87390->lock);
+
+ return 1;
+}
+
+static const struct snd_kcontrol_new aw87390_controls[] = {
+ AW87390_PROFILE_EXT("AW87390 Profile Set", aw87390_profile_info,
+ aw87390_profile_get, aw87390_profile_set),
+};
+
+static int aw87390_request_firmware_file(struct aw87390 *aw87390)
+{
+ const struct firmware *cont = NULL;
+ int ret;
+
+ aw87390->aw_pa->fw_status = AW87390_DEV_FW_FAILED;
+
+ ret = request_firmware(&cont, AW87390_ACF_FILE, aw87390->aw_pa->dev);
+ if (ret)
+ return dev_err_probe(aw87390->aw_pa->dev, ret,
+ "load [%s] failed!\n", AW87390_ACF_FILE);
+
+ dev_dbg(aw87390->aw_pa->dev, "loaded %s - size: %zu\n",
+ AW87390_ACF_FILE, cont ? cont->size : 0);
+
+ aw87390->aw_cfg = devm_kzalloc(aw87390->aw_pa->dev,
+ struct_size(aw87390->aw_cfg, data, cont->size), GFP_KERNEL);
+ if (!aw87390->aw_cfg) {
+ release_firmware(cont);
+ return -ENOMEM;
+ }
+
+ aw87390->aw_cfg->len = cont->size;
+ memcpy(aw87390->aw_cfg->data, cont->data, cont->size);
+ release_firmware(cont);
+
+ ret = aw88395_dev_load_acf_check(aw87390->aw_pa, aw87390->aw_cfg);
+ if (ret) {
+ dev_err(aw87390->aw_pa->dev, "load [%s] failed!\n", AW87390_ACF_FILE);
+ return ret;
+ }
+
+ mutex_lock(&aw87390->lock);
+
+ ret = aw88395_dev_cfg_load(aw87390->aw_pa, aw87390->aw_cfg);
+ if (ret)
+ dev_err(aw87390->aw_pa->dev, "aw_dev acf parse failed\n");
+
+ mutex_unlock(&aw87390->lock);
+
+ return ret;
+}
+
+static int aw87390_drv_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+ struct aw87390 *aw87390 = snd_soc_component_get_drvdata(component);
+ struct aw_device *aw_dev = aw87390->aw_pa;
+ int ret;
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ ret = aw87390_power_on(aw_dev);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ ret = aw87390_power_off(aw_dev);
+ break;
+ default:
+ dev_err(aw_dev->dev, "%s: invalid event %d\n", __func__, event);
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static const struct snd_soc_dapm_widget aw87390_dapm_widgets[] = {
+ SND_SOC_DAPM_INPUT("IN"),
+ SND_SOC_DAPM_PGA_E("SPK PA", SND_SOC_NOPM, 0, 0, NULL, 0, aw87390_drv_event,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_OUTPUT("OUT"),
+};
+
+static const struct snd_soc_dapm_route aw87390_dapm_routes[] = {
+ { "SPK PA", NULL, "IN" },
+ { "OUT", NULL, "SPK PA" },
+};
+
+static int aw87390_codec_probe(struct snd_soc_component *component)
+{
+ struct aw87390 *aw87390 = snd_soc_component_get_drvdata(component);
+ int ret;
+
+ ret = aw87390_request_firmware_file(aw87390);
+ if (ret)
+ return dev_err_probe(aw87390->aw_pa->dev, ret,
+ "aw87390_request_firmware_file failed\n");
+
+ return 0;
+}
+
+static const struct snd_soc_component_driver soc_codec_dev_aw87390 = {
+ .probe = aw87390_codec_probe,
+ .dapm_widgets = aw87390_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(aw87390_dapm_widgets),
+ .dapm_routes = aw87390_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(aw87390_dapm_routes),
+ .controls = aw87390_controls,
+ .num_controls = ARRAY_SIZE(aw87390_controls),
+};
+
+static void aw87390_parse_channel_dt(struct aw87390 *aw87390)
+{
+ struct aw_device *aw_dev = aw87390->aw_pa;
+ struct device_node *np = aw_dev->dev->of_node;
+ u32 channel_value = AW87390_DEV_DEFAULT_CH;
+
+ of_property_read_u32(np, "awinic,audio-channel", &channel_value);
+
+ aw_dev->channel = channel_value;
+}
+
+static int aw87390_init(struct aw87390 **aw87390, struct i2c_client *i2c, struct regmap *regmap)
+{
+ struct aw_device *aw_dev;
+ unsigned int chip_id;
+ int ret;
+
+ /* read chip id */
+ ret = regmap_read(regmap, AW87390_ID_REG, &chip_id);
+ if (ret) {
+ dev_err(&i2c->dev, "%s read chipid error. ret = %d\n", __func__, ret);
+ return ret;
+ }
+
+ if (chip_id != AW87390_CHIP_ID) {
+ dev_err(&i2c->dev, "unsupported device\n");
+ return -ENXIO;
+ }
+
+ dev_dbg(&i2c->dev, "chip id = 0x%x\n", chip_id);
+
+ aw_dev = devm_kzalloc(&i2c->dev, sizeof(*aw_dev), GFP_KERNEL);
+ if (!aw_dev)
+ return -ENOMEM;
+
+ (*aw87390)->aw_pa = aw_dev;
+ aw_dev->i2c = i2c;
+ aw_dev->regmap = regmap;
+ aw_dev->dev = &i2c->dev;
+ aw_dev->chip_id = AW87390_CHIP_ID;
+ aw_dev->acf = NULL;
+ aw_dev->prof_info.prof_desc = NULL;
+ aw_dev->prof_info.count = 0;
+ aw_dev->prof_info.prof_type = AW88395_DEV_NONE_TYPE_ID;
+ aw_dev->channel = AW87390_DEV_DEFAULT_CH;
+ aw_dev->fw_status = AW87390_DEV_FW_FAILED;
+ aw_dev->prof_index = AW87390_INIT_PROFILE;
+ aw_dev->status = AW87390_DEV_PW_OFF;
+
+ aw87390_parse_channel_dt(*aw87390);
+
+ return 0;
+}
+
+static int aw87390_i2c_probe(struct i2c_client *i2c)
+{
+ struct aw87390 *aw87390;
+ int ret;
+
+ ret = i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C);
+ if (!ret)
+ return dev_err_probe(&i2c->dev, -ENXIO, "check_functionality failed\n");
+
+ aw87390 = devm_kzalloc(&i2c->dev, sizeof(*aw87390), GFP_KERNEL);
+ if (!aw87390)
+ return -ENOMEM;
+
+ mutex_init(&aw87390->lock);
+
+ i2c_set_clientdata(i2c, aw87390);
+
+ aw87390->regmap = devm_regmap_init_i2c(i2c, &aw87390_remap_config);
+ if (IS_ERR(aw87390->regmap))
+ return dev_err_probe(&i2c->dev, PTR_ERR(aw87390->regmap),
+ "failed to init regmap\n");
+
+ /* aw pa init */
+ ret = aw87390_init(&aw87390, i2c, aw87390->regmap);
+ if (ret)
+ return ret;
+
+ ret = regmap_write(aw87390->regmap, AW87390_ID_REG, AW87390_SOFT_RESET_VALUE);
+ if (ret)
+ return ret;
+
+ ret = devm_snd_soc_register_component(&i2c->dev,
+ &soc_codec_dev_aw87390, NULL, 0);
+ if (ret)
+ dev_err(&i2c->dev, "failed to register aw87390: %d\n", ret);
+
+ return ret;
+}
+
+static const struct i2c_device_id aw87390_i2c_id[] = {
+ { AW87390_I2C_NAME, 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, aw87390_i2c_id);
+
+static struct i2c_driver aw87390_i2c_driver = {
+ .driver = {
+ .name = AW87390_I2C_NAME,
+ },
+ .probe = aw87390_i2c_probe,
+ .id_table = aw87390_i2c_id,
+};
+module_i2c_driver(aw87390_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC AW87390 PA Driver");
+MODULE_LICENSE("GPL v2");
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// aw87390.h -- aw87390 ALSA SoC Audio driver
+//
+// Copyright (c) 2023 awinic Technology CO., LTD
+//
+// Author: Weidong Wang <wangweidong.a@awinic.com>
+//
+
+#ifndef __AW87390_H__
+#define __AW87390_H__
+
+#define AW87390_ID_REG (0x00)
+#define AW87390_SYSCTRL_REG (0x01)
+#define AW87390_MDCTRL_REG (0x02)
+#define AW87390_CPOVP_REG (0x03)
+#define AW87390_CPP_REG (0x04)
+#define AW87390_PAG_REG (0x05)
+#define AW87390_AGC3P_REG (0x06)
+#define AW87390_AGC3PA_REG (0x07)
+#define AW87390_AGC2P_REG (0x08)
+#define AW87390_AGC2PA_REG (0x09)
+#define AW87390_AGC1PA_REG (0x0A)
+#define AW87390_SYSST_REG (0x59)
+#define AW87390_SYSINT_REG (0x60)
+#define AW87390_DFT_SYSCTRL_REG (0x61)
+#define AW87390_DFT_MDCTRL_REG (0x62)
+#define AW87390_DFT_CPADP_REG (0x63)
+#define AW87390_DFT_AGCPA_REG (0x64)
+#define AW87390_DFT_POFR_REG (0x65)
+#define AW87390_DFT_OC_REG (0x66)
+#define AW87390_DFT_ADP1_REG (0x67)
+#define AW87390_DFT_REF_REG (0x68)
+#define AW87390_DFT_LDO_REG (0x69)
+#define AW87390_ADP1_REG (0x70)
+#define AW87390_ADP2_REG (0x71)
+#define AW87390_NG1_REG (0x72)
+#define AW87390_NG2_REG (0x73)
+#define AW87390_NG3_REG (0x74)
+#define AW87390_CP_REG (0x75)
+#define AW87390_AB_REG (0x76)
+#define AW87390_TEST_REG (0x77)
+#define AW87390_ENCR_REG (0x78)
+#define AW87390_DELAY_REG_ADDR (0xFE)
+
+#define AW87390_SOFT_RESET_VALUE (0xAA)
+#define AW87390_POWER_DOWN_VALUE (0x00)
+#define AW87390_REG_MAX (0xFF)
+#define AW87390_DEV_DEFAULT_CH (0)
+#define AW87390_INIT_PROFILE (0)
+#define AW87390_REG_DELAY_TIME (1000)
+#define AW87390_I2C_NAME "aw87390"
+#define AW87390_ACF_FILE "aw87390_acf.bin"
+
+#define AW87390_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 aw87390_id {
+ AW87390_CHIP_ID = 0x76,
+};
+
+enum {
+ AW87390_DEV_FW_FAILED = 0,
+ AW87390_DEV_FW_OK,
+};
+
+enum {
+ AW87390_DEV_PW_OFF = 0,
+ AW87390_DEV_PW_ON,
+};
+
+struct aw87390 {
+ struct aw_device *aw_pa;
+ struct mutex lock;
+ struct regmap *regmap;
+ struct aw_container *aw_cfg;
+};
+
+#endif
projects / linux.git / commitdiff