diff options
Diffstat (limited to 'sound/soc/codecs/aw88081.c')
| -rw-r--r-- | sound/soc/codecs/aw88081.c | 1318 |
1 files changed, 1318 insertions, 0 deletions
diff --git a/sound/soc/codecs/aw88081.c b/sound/soc/codecs/aw88081.c new file mode 100644 index 000000000000..3dd8428f08cc --- /dev/null +++ b/sound/soc/codecs/aw88081.c @@ -0,0 +1,1318 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// aw88081.c -- AW88081 ALSA SoC Audio driver +// +// Copyright (c) 2024 awinic Technology CO., LTD +// +// Author: Weidong Wang <wangweidong.a@awinic.com> +// + +#include <linux/firmware.h> +#include <linux/i2c.h> +#include <linux/regmap.h> +#include <sound/soc.h> +#include "aw88081.h" +#include "aw88395/aw88395_device.h" + +enum aw8808x_type { + AW88081, + AW88083, +}; + +struct aw88081 { + struct aw_device *aw_pa; + struct mutex lock; + struct delayed_work start_work; + struct regmap *regmap; + struct aw_container *aw_cfg; + enum aw8808x_type devtype; + bool phase_sync; +}; + +static const struct regmap_config aw88081_regmap_config = { + .val_bits = 16, + .reg_bits = 8, + .max_register = AW88081_REG_MAX, + .reg_format_endian = REGMAP_ENDIAN_LITTLE, + .val_format_endian = REGMAP_ENDIAN_BIG, +}; + +static const struct regmap_config aw88083_regmap_config = { + .val_bits = 16, + .reg_bits = 8, + .max_register = AW88083_REG_MAX, + .reg_format_endian = REGMAP_ENDIAN_LITTLE, + .val_format_endian = REGMAP_ENDIAN_BIG, +}; + +static int aw88081_dev_get_iis_status(struct aw_device *aw_dev) +{ + unsigned int reg_val; + int ret; + + ret = regmap_read(aw_dev->regmap, AW88081_SYSST_REG, ®_val); + if (ret) + return ret; + if ((reg_val & AW88081_BIT_PLL_CHECK) != AW88081_BIT_PLL_CHECK) { + dev_err(aw_dev->dev, "check pll lock fail,reg_val:0x%04x", reg_val); + return -EINVAL; + } + + return 0; +} + +static int aw88081_dev_check_mode1_pll(struct aw_device *aw_dev) +{ + int ret, i; + + for (i = 0; i < AW88081_DEV_SYSST_CHECK_MAX; i++) { + ret = aw88081_dev_get_iis_status(aw_dev); + if (ret) { + dev_err(aw_dev->dev, "mode1 iis signal check error"); + usleep_range(AW88081_2000_US, AW88081_2000_US + 10); + } else { + return 0; + } + } + + return -EPERM; +} + +static int aw88081_dev_check_mode2_pll(struct aw_device *aw_dev) +{ + unsigned int reg_val; + int ret, i; + + ret = regmap_read(aw_dev->regmap, AW88081_PLLCTRL1_REG, ®_val); + if (ret) + return ret; + + reg_val &= (~AW88081_CCO_MUX_MASK); + if (reg_val == AW88081_CCO_MUX_DIVIDED_VALUE) { + dev_dbg(aw_dev->dev, "CCO_MUX is already divider"); + return -EPERM; + } + + /* change mode2 */ + ret = regmap_update_bits(aw_dev->regmap, AW88081_PLLCTRL1_REG, + ~AW88081_CCO_MUX_MASK, AW88081_CCO_MUX_DIVIDED_VALUE); + if (ret) + return ret; + + for (i = 0; i < AW88081_DEV_SYSST_CHECK_MAX; i++) { + ret = aw88081_dev_get_iis_status(aw_dev); + if (ret) { + dev_err(aw_dev->dev, "mode2 iis check error"); + usleep_range(AW88081_2000_US, AW88081_2000_US + 10); + } else { + break; + } + } + + /* change mode1 */ + ret = regmap_update_bits(aw_dev->regmap, AW88081_PLLCTRL1_REG, + ~AW88081_CCO_MUX_MASK, AW88081_CCO_MUX_BYPASS_VALUE); + if (ret == 0) { + usleep_range(AW88081_2000_US, AW88081_2000_US + 10); + for (i = 0; i < AW88081_DEV_SYSST_CHECK_MAX; i++) { + ret = aw88081_dev_check_mode1_pll(aw_dev); + if (ret) { + dev_err(aw_dev->dev, "mode2 switch to mode1, iis check error"); + usleep_range(AW88081_2000_US, AW88081_2000_US + 10); + } else { + break; + } + } + } + + return ret; +} + +static int aw88081_dev_check_syspll(struct aw_device *aw_dev) +{ + int ret; + + ret = aw88081_dev_check_mode1_pll(aw_dev); + if (ret) { + dev_dbg(aw_dev->dev, "mode1 check iis failed try switch to mode2 check"); + ret = aw88081_dev_check_mode2_pll(aw_dev); + if (ret) { + dev_err(aw_dev->dev, "mode2 check iis failed"); + return ret; + } + } + + return 0; +} + +static int aw88081_dev_check_sysst(struct aw_device *aw_dev) +{ + unsigned int check_val; + unsigned int reg_val; + unsigned int value; + int ret, i; + + ret = regmap_read(aw_dev->regmap, AW88081_PWMCTRL4_REG, ®_val); + if (ret) + return ret; + + if (reg_val & (~AW88081_NOISE_GATE_EN_MASK)) + check_val = AW88081_NO_SWS_SYSST_CHECK; + else + check_val = AW88081_SWS_SYSST_CHECK; + + for (i = 0; i < AW88081_DEV_SYSST_CHECK_MAX; i++) { + ret = regmap_read(aw_dev->regmap, AW88081_SYSST_REG, ®_val); + if (ret) + return ret; + + value = reg_val & (~AW88081_BIT_SYSST_CHECK_MASK) & check_val; + if (value != check_val) { + dev_err(aw_dev->dev, "check sysst fail, reg_val=0x%04x, check:0x%x", + reg_val, check_val); + usleep_range(AW88081_2000_US, AW88081_2000_US + 10); + } else { + return 0; + } + } + + return -EPERM; +} + +static void aw88081_dev_i2s_tx_enable(struct aw_device *aw_dev, bool flag) +{ + if (flag) + regmap_update_bits(aw_dev->regmap, AW88081_I2SCTRL3_REG, + ~AW88081_I2STXEN_MASK, AW88081_I2STXEN_ENABLE_VALUE); + else + regmap_update_bits(aw_dev->regmap, AW88081_I2SCTRL3_REG, + ~AW88081_I2STXEN_MASK, AW88081_I2STXEN_DISABLE_VALUE); +} + +static void aw88081_dev_pwd(struct aw_device *aw_dev, bool pwd) +{ + if (pwd) + regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG, + ~AW88081_PWDN_MASK, AW88081_PWDN_POWER_DOWN_VALUE); + else + regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG, + ~AW88081_PWDN_MASK, AW88081_PWDN_WORKING_VALUE); +} + +static void aw88081_dev_amppd(struct aw_device *aw_dev, bool amppd) +{ + if (amppd) + regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG, + ~AW88081_EN_PA_MASK, AW88081_EN_PA_POWER_DOWN_VALUE); + else + regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG, + ~AW88081_EN_PA_MASK, AW88081_EN_PA_WORKING_VALUE); +} + +static void aw88083_i2c_wen(struct aw88081 *aw88081, bool flag) +{ + struct aw_device *aw_dev = aw88081->aw_pa; + + if (aw88081->devtype != AW88083) + return; + + if (flag) + regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG, + ~AW88083_I2C_WEN_MASK, AW88083_I2C_WEN_ENABLE_VALUE); + else + regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG, + ~AW88083_I2C_WEN_MASK, AW88083_I2C_WEN_DISABLE_VALUE); +} + +static void aw88083_dev_amppd(struct aw_device *aw_dev, bool amppd) +{ + if (amppd) + regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG, + ~AW88083_AMPPD_MASK, AW88083_AMPPD_POWER_DOWN_VALUE); + else + regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG, + ~AW88083_AMPPD_MASK, AW88083_AMPPD_WORKING_VALUE); +} + +static void aw88083_dev_pllpd(struct aw_device *aw_dev, bool pllpd) +{ + if (pllpd) + regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG, + ~AW88083_PLL_PD_MASK, AW88083_PLL_PD_WORKING_VALUE); + else + regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG, + ~AW88083_PLL_PD_MASK, AW88083_PLL_PD_POWER_DOWN_VALUE); +} + +static void aw88081_dev_clear_int_status(struct aw_device *aw_dev) +{ + unsigned int int_status; + + /* read int status and clear */ + regmap_read(aw_dev->regmap, AW88081_SYSINT_REG, &int_status); + /* make sure int status is clear */ + regmap_read(aw_dev->regmap, AW88081_SYSINT_REG, &int_status); + + dev_dbg(aw_dev->dev, "read interrupt reg = 0x%04x", int_status); +} + +static void aw88081_dev_set_volume(struct aw_device *aw_dev, unsigned int value) +{ + struct aw_volume_desc *vol_desc = &aw_dev->volume_desc; + unsigned int volume; + + volume = min((value + vol_desc->init_volume), (unsigned int)AW88081_MUTE_VOL); + + regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL2_REG, ~AW88081_VOL_MASK, volume); +} + +static void aw88081_dev_fade_in(struct aw_device *aw_dev) +{ + struct aw_volume_desc *desc = &aw_dev->volume_desc; + int fade_in_vol = desc->ctl_volume; + int fade_step = aw_dev->fade_step; + int i; + + if (fade_step == 0 || aw_dev->fade_in_time == 0) { + aw88081_dev_set_volume(aw_dev, fade_in_vol); + return; + } + + for (i = AW88081_MUTE_VOL; i >= fade_in_vol; i -= fade_step) { + aw88081_dev_set_volume(aw_dev, i); + usleep_range(aw_dev->fade_in_time, aw_dev->fade_in_time + 10); + } + + if (i != fade_in_vol) + aw88081_dev_set_volume(aw_dev, fade_in_vol); +} + +static void aw88081_dev_fade_out(struct aw_device *aw_dev) +{ + struct aw_volume_desc *desc = &aw_dev->volume_desc; + int fade_step = aw_dev->fade_step; + int i; + + if (fade_step == 0 || aw_dev->fade_out_time == 0) { + aw88081_dev_set_volume(aw_dev, AW88081_MUTE_VOL); + return; + } + + for (i = desc->ctl_volume; i <= AW88081_MUTE_VOL; i += fade_step) { + aw88081_dev_set_volume(aw_dev, i); + usleep_range(aw_dev->fade_out_time, aw_dev->fade_out_time + 10); + } + + if (i != AW88081_MUTE_VOL) + aw88081_dev_set_volume(aw_dev, AW88081_MUTE_VOL); +} + +static void aw88081_dev_mute(struct aw_device *aw_dev, bool is_mute) +{ + if (is_mute) { + aw88081_dev_fade_out(aw_dev); + regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG, + ~AW88081_HMUTE_MASK, AW88081_HMUTE_ENABLE_VALUE); + } else { + regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG, + ~AW88081_HMUTE_MASK, AW88081_HMUTE_DISABLE_VALUE); + aw88081_dev_fade_in(aw_dev); + } +} + +static void aw88081_dev_uls_hmute(struct aw_device *aw_dev, bool uls_hmute) +{ + if (uls_hmute) + regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG, + ~AW88081_ULS_HMUTE_MASK, + AW88081_ULS_HMUTE_ENABLE_VALUE); + else + regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG, + ~AW88081_ULS_HMUTE_MASK, + AW88081_ULS_HMUTE_DISABLE_VALUE); +} + +static int aw88081_dev_reg_value_check(struct aw_device *aw_dev, + unsigned char reg_addr, unsigned short *reg_val) +{ + unsigned int read_vol; + + if (reg_addr == AW88081_SYSCTRL_REG) { + *reg_val &= ~(~AW88081_EN_PA_MASK | + ~AW88081_PWDN_MASK | + ~AW88081_HMUTE_MASK | + ~AW88081_ULS_HMUTE_MASK); + + *reg_val |= AW88081_EN_PA_POWER_DOWN_VALUE | + AW88081_PWDN_POWER_DOWN_VALUE | + AW88081_HMUTE_ENABLE_VALUE | + AW88081_ULS_HMUTE_ENABLE_VALUE; + } + + if (reg_addr == AW88081_SYSCTRL2_REG) { + read_vol = (*reg_val & (~AW88081_VOL_MASK)) >> AW88081_VOL_START_BIT; + aw_dev->volume_desc.init_volume = read_vol; + } + + /* i2stxen */ + if (reg_addr == AW88081_I2SCTRL3_REG) { + /* close tx */ + *reg_val &= AW88081_I2STXEN_MASK; + *reg_val |= AW88081_I2STXEN_DISABLE_VALUE; + } + + return 0; +} + +static int aw88083_dev_reg_value_check(struct aw_device *aw_dev, + unsigned char reg_addr, unsigned short *reg_val) +{ + unsigned int read_vol; + + if (reg_addr == AW88081_SYSCTRL_REG) { + *reg_val &= ~(~AW88083_AMPPD_MASK | + ~AW88081_PWDN_MASK | + ~AW88081_HMUTE_MASK | + ~AW88083_I2C_WEN_MASK); + + *reg_val |= AW88083_AMPPD_POWER_DOWN_VALUE | + AW88081_PWDN_POWER_DOWN_VALUE | + AW88081_HMUTE_ENABLE_VALUE | + AW88083_I2C_WEN_ENABLE_VALUE; + } + + if (reg_addr == AW88081_SYSCTRL2_REG) { + read_vol = (*reg_val & (~AW88081_VOL_MASK)) >> AW88081_VOL_START_BIT; + aw_dev->volume_desc.init_volume = read_vol; + } + + return 0; +} + +static int aw88081_reg_value_check(struct aw88081 *aw88081, + unsigned char reg_addr, unsigned short *reg_val) +{ + struct aw_device *aw_dev = aw88081->aw_pa; + int ret; + + switch (aw88081->devtype) { + case AW88081: + ret = aw88081_dev_reg_value_check(aw_dev, reg_addr, reg_val); + break; + case AW88083: + ret = aw88083_dev_reg_value_check(aw_dev, reg_addr, reg_val); + break; + default: + dev_err(aw_dev->dev, "unsupported device\n"); + ret = -EINVAL; + break; + } + + return ret; +} + +static int aw88081_dev_reg_update(struct aw88081 *aw88081, + unsigned char *data, unsigned int len) +{ + struct aw_device *aw_dev = aw88081->aw_pa; + struct aw_volume_desc *vol_desc = &aw_dev->volume_desc; + int data_len, i, ret; + int16_t *reg_data; + u16 reg_val; + u8 reg_addr; + + if (!len || !data) { + dev_err(aw_dev->dev, "reg data is null or len is 0"); + return -EINVAL; + } + + reg_data = (int16_t *)data; + data_len = len >> 1; + + if (data_len & 0x1) { + dev_err(aw_dev->dev, "data len:%d unsupported", data_len); + return -EINVAL; + } + + for (i = 0; i < data_len; i += 2) { + reg_addr = reg_data[i]; + reg_val = reg_data[i + 1]; + + ret = aw88081_reg_value_check(aw88081, reg_addr, ®_val); + if (ret) + return ret; + + ret = regmap_write(aw_dev->regmap, reg_addr, reg_val); + if (ret) + return ret; + } + + if (aw_dev->prof_cur != aw_dev->prof_index) + vol_desc->ctl_volume = 0; + + /* keep min volume */ + aw88081_dev_set_volume(aw_dev, vol_desc->mute_volume); + + return 0; +} + +static int aw88081_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]", + 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 aw88081_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 aw88081_dev_fw_update(struct aw88081 *aw88081) +{ + struct aw_device *aw_dev = aw88081->aw_pa; + struct aw_prof_desc *prof_index_desc; + struct aw_sec_data_desc *sec_desc; + char *prof_name; + int ret; + + ret = aw88081_dev_get_prof_name(aw_dev, aw_dev->prof_index, &prof_name); + if (ret) { + dev_err(aw_dev->dev, "get prof name failed"); + return -EINVAL; + } + + dev_dbg(aw_dev->dev, "start update %s", prof_name); + + ret = aw88081_dev_get_prof_data(aw_dev, aw_dev->prof_index, &prof_index_desc); + if (ret) + return ret; + + /* update reg */ + sec_desc = prof_index_desc->sec_desc; + ret = aw88081_dev_reg_update(aw88081, sec_desc[AW88395_DATA_TYPE_REG].data, + sec_desc[AW88395_DATA_TYPE_REG].len); + if (ret) { + dev_err(aw_dev->dev, "update reg failed"); + return ret; + } + + aw_dev->prof_cur = aw_dev->prof_index; + + return 0; +} + +static int aw88081_dev_start(struct aw88081 *aw88081) +{ + struct aw_device *aw_dev = aw88081->aw_pa; + int ret; + + if (aw_dev->status == AW88081_DEV_PW_ON) { + dev_dbg(aw_dev->dev, "already power on"); + return 0; + } + + /* power on */ + aw88081_dev_pwd(aw_dev, false); + usleep_range(AW88081_2000_US, AW88081_2000_US + 10); + + ret = aw88081_dev_check_syspll(aw_dev); + if (ret) { + dev_err(aw_dev->dev, "pll check failed cannot start"); + goto pll_check_fail; + } + + /* amppd on */ + aw88081_dev_amppd(aw_dev, false); + usleep_range(AW88081_1000_US, AW88081_1000_US + 50); + + /* check i2s status */ + ret = aw88081_dev_check_sysst(aw_dev); + if (ret) { + dev_err(aw_dev->dev, "sysst check failed"); + goto sysst_check_fail; + } + + /* enable tx feedback */ + aw88081_dev_i2s_tx_enable(aw_dev, true); + + /* close uls mute */ + aw88081_dev_uls_hmute(aw_dev, false); + + /* close mute */ + aw88081_dev_mute(aw_dev, false); + + /* clear inturrupt */ + aw88081_dev_clear_int_status(aw_dev); + aw_dev->status = AW88081_DEV_PW_ON; + + return 0; + +sysst_check_fail: + aw88081_dev_i2s_tx_enable(aw_dev, false); + aw88081_dev_clear_int_status(aw_dev); + aw88081_dev_amppd(aw_dev, true); +pll_check_fail: + aw88081_dev_pwd(aw_dev, true); + aw_dev->status = AW88081_DEV_PW_OFF; + + return ret; +} + +static int aw88083_dev_start(struct aw88081 *aw88081) +{ + struct aw_device *aw_dev = aw88081->aw_pa; + + if (aw_dev->status == AW88081_DEV_PW_ON) { + dev_dbg(aw_dev->dev, "already power on"); + return 0; + } + + aw88083_i2c_wen(aw88081, true); + + /* power on */ + aw88081_dev_pwd(aw_dev, false); + usleep_range(AW88081_2000_US, AW88081_2000_US + 10); + + aw88083_dev_pllpd(aw_dev, true); + /* amppd on */ + aw88083_dev_amppd(aw_dev, false); + usleep_range(AW88081_2000_US, AW88081_2000_US + 50); + + /* close mute */ + aw88081_dev_mute(aw_dev, false); + + aw88083_i2c_wen(aw88081, false); + + aw_dev->status = AW88081_DEV_PW_ON; + + return 0; +} + +static int aw88081_device_start(struct aw88081 *aw88081) +{ + int ret; + + switch (aw88081->devtype) { + case AW88081: + ret = aw88081_dev_start(aw88081); + break; + case AW88083: + ret = aw88083_dev_start(aw88081); + break; + default: + ret = -EINVAL; + dev_err(aw88081->aw_pa->dev, "unsupported device\n"); + break; + } + + return ret; +} + +static int aw88081_dev_stop(struct aw88081 *aw88081) +{ + struct aw_device *aw_dev = aw88081->aw_pa; + + if (aw_dev->status == AW88081_DEV_PW_OFF) { + dev_dbg(aw_dev->dev, "already power off"); + return 0; + } + + aw_dev->status = AW88081_DEV_PW_OFF; + + /* clear inturrupt */ + aw88081_dev_clear_int_status(aw_dev); + + aw88081_dev_uls_hmute(aw_dev, true); + /* set mute */ + aw88081_dev_mute(aw_dev, true); + + /* close tx feedback */ + aw88081_dev_i2s_tx_enable(aw_dev, false); + usleep_range(AW88081_1000_US, AW88081_1000_US + 100); + + /* enable amppd */ + aw88081_dev_amppd(aw_dev, true); + + /* set power down */ + aw88081_dev_pwd(aw_dev, true); + + return 0; +} + +static int aw88083_dev_stop(struct aw88081 *aw88081) +{ + struct aw_device *aw_dev = aw88081->aw_pa; + + if (aw_dev->status == AW88081_DEV_PW_OFF) { + dev_dbg(aw_dev->dev, "already power off"); + return 0; + } + + aw_dev->status = AW88081_DEV_PW_OFF; + + aw88083_i2c_wen(aw88081, true); + /* set mute */ + aw88081_dev_mute(aw_dev, true); + + usleep_range(AW88081_2000_US, AW88081_2000_US + 100); + + /* enable amppd */ + aw88083_dev_amppd(aw_dev, true); + + aw88083_dev_pllpd(aw_dev, false); + + /* set power down */ + aw88081_dev_pwd(aw_dev, true); + + aw88083_i2c_wen(aw88081, false); + + return 0; +} + +static int aw88081_stop(struct aw88081 *aw88081) +{ + int ret; + + switch (aw88081->devtype) { + case AW88081: + ret = aw88081_dev_stop(aw88081); + break; + case AW88083: + ret = aw88083_dev_stop(aw88081); + break; + default: + dev_err(aw88081->aw_pa->dev, "unsupported device\n"); + ret = -EINVAL; + break; + } + + return ret; +} + +static int aw88081_reg_update(struct aw88081 *aw88081, bool force) +{ + struct aw_device *aw_dev = aw88081->aw_pa; + int ret; + + if (force) { + ret = regmap_write(aw_dev->regmap, + AW88081_ID_REG, AW88081_SOFT_RESET_VALUE); + if (ret) + return ret; + + ret = aw88081_dev_fw_update(aw88081); + if (ret) + return ret; + } else { + if (aw_dev->prof_cur != aw_dev->prof_index) { + ret = aw88081_dev_fw_update(aw88081); + if (ret) + return ret; + } + } + + aw_dev->prof_cur = aw_dev->prof_index; + + return 0; +} + +static void aw88081_start_pa(struct aw88081 *aw88081) +{ + int ret, i; + + for (i = 0; i < AW88081_START_RETRIES; i++) { + ret = aw88081_reg_update(aw88081, aw88081->phase_sync); + if (ret) { + dev_err(aw88081->aw_pa->dev, "fw update failed, cnt:%d\n", i); + continue; + } + ret = aw88081_device_start(aw88081); + if (ret) { + dev_err(aw88081->aw_pa->dev, "aw88081 device start failed. retry = %d", i); + continue; + } else { + dev_dbg(aw88081->aw_pa->dev, "start success\n"); + break; + } + } +} + +static void aw88081_startup_work(struct work_struct *work) +{ + struct aw88081 *aw88081 = + container_of(work, struct aw88081, start_work.work); + + mutex_lock(&aw88081->lock); + aw88081_start_pa(aw88081); + mutex_unlock(&aw88081->lock); +} + +static void aw88081_start(struct aw88081 *aw88081, bool sync_start) +{ + if (aw88081->aw_pa->fw_status != AW88081_DEV_FW_OK) + return; + + if (aw88081->aw_pa->status == AW88081_DEV_PW_ON) + return; + + if (sync_start == AW88081_SYNC_START) + aw88081_start_pa(aw88081); + else + queue_delayed_work(system_wq, + &aw88081->start_work, + AW88081_START_WORK_DELAY_MS); +} + +static struct snd_soc_dai_driver aw88081_dai[] = { + { + .name = "aw88081-aif", + .id = 1, + .playback = { + .stream_name = "Speaker_Playback", + .channels_min = 1, + .channels_max = 2, + .rates = AW88081_RATES, + .formats = AW88081_FORMATS, + }, + .capture = { + .stream_name = "Speaker_Capture", + .channels_min = 1, + .channels_max = 2, + .rates = AW88081_RATES, + .formats = AW88081_FORMATS, + }, + }, +}; + +static int aw88081_get_fade_in_time(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct aw88081 *aw88081 = snd_soc_component_get_drvdata(component); + struct aw_device *aw_dev = aw88081->aw_pa; + + ucontrol->value.integer.value[0] = aw_dev->fade_in_time; + + return 0; +} + +static int aw88081_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 aw88081 *aw88081 = snd_soc_component_get_drvdata(component); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + struct aw_device *aw_dev = aw88081->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 aw88081_get_fade_out_time(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct aw88081 *aw88081 = snd_soc_component_get_drvdata(component); + struct aw_device *aw_dev = aw88081->aw_pa; + + ucontrol->value.integer.value[0] = aw_dev->fade_out_time; + + return 0; +} + +static int aw88081_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 aw88081 *aw88081 = snd_soc_component_get_drvdata(component); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + struct aw_device *aw_dev = aw88081->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 aw88081_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 -EPERM; + + aw_dev->prof_index = index; + + return 0; +} + +static int aw88081_profile_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct aw88081 *aw88081 = snd_soc_component_get_drvdata(codec); + char *prof_name; + int count, ret; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + + count = aw88081->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 = aw88081_dev_get_prof_name(aw88081->aw_pa, count, &prof_name); + if (ret) { + strscpy(uinfo->value.enumerated.name, "null", + sizeof(uinfo->value.enumerated.name)); + return 0; + } + + strscpy(uinfo->value.enumerated.name, prof_name, sizeof(uinfo->value.enumerated.name)); + + return 0; +} + +static int aw88081_profile_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct aw88081 *aw88081 = snd_soc_component_get_drvdata(codec); + + ucontrol->value.integer.value[0] = aw88081->aw_pa->prof_index; + + return 0; +} + +static int aw88081_profile_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct aw88081 *aw88081 = snd_soc_component_get_drvdata(codec); + int ret; + + /* pa stop or stopping just set profile */ + mutex_lock(&aw88081->lock); + ret = aw88081_dev_set_profile_index(aw88081->aw_pa, ucontrol->value.integer.value[0]); + if (ret) { + dev_dbg(codec->dev, "profile index does not change"); + mutex_unlock(&aw88081->lock); + return 0; + } + + if (aw88081->aw_pa->status) { + aw88081_stop(aw88081); + aw88081_start(aw88081, AW88081_SYNC_START); + } + + mutex_unlock(&aw88081->lock); + + return 1; +} + +static int aw88081_volume_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct aw88081 *aw88081 = snd_soc_component_get_drvdata(codec); + struct aw_volume_desc *vol_desc = &aw88081->aw_pa->volume_desc; + + ucontrol->value.integer.value[0] = vol_desc->ctl_volume; + + return 0; +} + +static int aw88081_volume_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct aw88081 *aw88081 = snd_soc_component_get_drvdata(codec); + struct aw_volume_desc *vol_desc = &aw88081->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; + + aw88083_i2c_wen(aw88081, true); + + if (vol_desc->ctl_volume != value) { + vol_desc->ctl_volume = value; + aw88081_dev_set_volume(aw88081->aw_pa, vol_desc->ctl_volume); + return 1; + } + + aw88083_i2c_wen(aw88081, false); + + return 0; +} + +static int aw88081_get_fade_step(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct aw88081 *aw88081 = snd_soc_component_get_drvdata(codec); + + ucontrol->value.integer.value[0] = aw88081->aw_pa->fade_step; + + return 0; +} + +static int aw88081_set_fade_step(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct aw88081 *aw88081 = 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 (aw88081->aw_pa->fade_step != value) { + aw88081->aw_pa->fade_step = value; + return 1; + } + + return 0; +} + +static const struct snd_kcontrol_new aw88081_controls[] = { + SOC_SINGLE_EXT("PCM Playback Volume", AW88081_SYSCTRL2_REG, + 0, AW88081_MUTE_VOL, 0, aw88081_volume_get, + aw88081_volume_set), + SOC_SINGLE_EXT("Fade Step", 0, 0, AW88081_MUTE_VOL, 0, + aw88081_get_fade_step, aw88081_set_fade_step), + SOC_SINGLE_EXT("Volume Ramp Up Step", 0, 0, FADE_TIME_MAX, 0, + aw88081_get_fade_in_time, aw88081_set_fade_in_time), + SOC_SINGLE_EXT("Volume Ramp Down Step", 0, 0, FADE_TIME_MAX, 0, + aw88081_get_fade_out_time, aw88081_set_fade_out_time), + AW88081_PROFILE_EXT("Profile Set", aw88081_profile_info, + aw88081_profile_get, aw88081_profile_set), +}; + +static void aw88081_parse_channel_dt(struct aw88081 *aw88081) +{ + struct aw_device *aw_dev = aw88081->aw_pa; + struct device_node *np = aw_dev->dev->of_node; + u32 channel_value = AW88081_DEV_DEFAULT_CH; + + of_property_read_u32(np, "awinic,audio-channel", &channel_value); + aw88081->phase_sync = of_property_read_bool(np, "awinic,sync-flag"); + + aw_dev->channel = channel_value; +} + +static int aw88081_init(struct aw88081 *aw88081, 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, AW88081_ID_REG, &chip_id); + if (ret) { + dev_err(&i2c->dev, "%s read chipid error. ret = %d", __func__, ret); + return ret; + } + + switch (chip_id) { + case AW88081_CHIP_ID: + dev_dbg(&i2c->dev, "chip id = 0x%x\n", chip_id); + break; + case AW88083_CHIP_ID: + dev_dbg(&i2c->dev, "chip id = 0x%x\n", chip_id); + break; + default: + dev_err(&i2c->dev, "unsupported device"); + return -ENXIO; + } + + aw_dev = devm_kzalloc(&i2c->dev, sizeof(*aw_dev), GFP_KERNEL); + if (!aw_dev) + return -ENOMEM; + + aw88081->aw_pa = aw_dev; + aw_dev->i2c = i2c; + aw_dev->regmap = regmap; + aw_dev->dev = &i2c->dev; + aw_dev->chip_id = chip_id; + aw_dev->acf = NULL; + aw_dev->prof_info.prof_desc = NULL; + aw_dev->prof_info.prof_type = AW88395_DEV_NONE_TYPE_ID; + aw_dev->fade_step = AW88081_VOLUME_STEP_DB; + aw_dev->volume_desc.mute_volume = AW88081_MUTE_VOL; + aw88081_parse_channel_dt(aw88081); + + return 0; +} + +static int aw88081_dev_init(struct aw88081 *aw88081, struct aw_container *aw_cfg) +{ + struct aw_device *aw_dev = aw88081->aw_pa; + int ret; + + ret = aw88395_dev_cfg_load(aw_dev, aw_cfg); + if (ret) { + dev_err(aw_dev->dev, "aw_dev acf parse failed"); + return -EINVAL; + } + + ret = regmap_write(aw_dev->regmap, AW88081_ID_REG, AW88081_SOFT_RESET_VALUE); + if (ret) + return ret; + + aw_dev->fade_in_time = AW88081_500_US; + aw_dev->fade_out_time = AW88081_500_US; + aw_dev->prof_cur = AW88081_INIT_PROFILE; + aw_dev->prof_index = AW88081_INIT_PROFILE; + + ret = aw88081_dev_fw_update(aw88081); + if (ret) { + dev_err(aw_dev->dev, "fw update failed ret = %d\n", ret); + return ret; + } + + aw_dev->status = AW88081_DEV_PW_ON; + aw88081_stop(aw88081); + + return 0; +} + +static int aw88081_request_firmware_file(struct aw88081 *aw88081) +{ + const struct firmware *cont = NULL; + int ret; + + aw88081->aw_pa->fw_status = AW88081_DEV_FW_FAILED; + + ret = request_firmware(&cont, AW88081_ACF_FILE, aw88081->aw_pa->dev); + if (ret) + return ret; + + dev_dbg(aw88081->aw_pa->dev, "loaded %s - size: %zu\n", + AW88081_ACF_FILE, cont ? cont->size : 0); + + aw88081->aw_cfg = devm_kzalloc(aw88081->aw_pa->dev, cont->size + sizeof(int), GFP_KERNEL); + if (!aw88081->aw_cfg) { + release_firmware(cont); + return -ENOMEM; + } + aw88081->aw_cfg->len = (int)cont->size; + memcpy(aw88081->aw_cfg->data, cont->data, cont->size); + release_firmware(cont); + + ret = aw88395_dev_load_acf_check(aw88081->aw_pa, aw88081->aw_cfg); + if (ret) + return ret; + + mutex_lock(&aw88081->lock); + ret = aw88081_dev_init(aw88081, aw88081->aw_cfg); + mutex_unlock(&aw88081->lock); + + return ret; +} + +static int aw88081_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 aw88081 *aw88081 = snd_soc_component_get_drvdata(component); + + mutex_lock(&aw88081->lock); + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + aw88081_start(aw88081, AW88081_ASYNC_START); + break; + case SND_SOC_DAPM_POST_PMD: + aw88081_stop(aw88081); + break; + default: + break; + } + mutex_unlock(&aw88081->lock); + + return 0; +} + +static const struct snd_soc_dapm_widget aw88081_dapm_widgets[] = { + /* playback */ + SND_SOC_DAPM_AIF_IN_E("AIF_RX", "Speaker_Playback", 0, SND_SOC_NOPM, 0, 0, + aw88081_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 aw88081_audio_map[] = { + {"DAC Output", NULL, "AIF_RX"}, + {"AIF_TX", NULL, "ADC Input"}, +}; + +static int aw88081_codec_probe(struct snd_soc_component *component) +{ + struct aw88081 *aw88081 = snd_soc_component_get_drvdata(component); + int ret; + + INIT_DELAYED_WORK(&aw88081->start_work, aw88081_startup_work); + + ret = aw88081_request_firmware_file(aw88081); + if (ret) + dev_err(aw88081->aw_pa->dev, "%s: request firmware failed\n", __func__); + + return ret; +} + +static void aw88081_codec_remove(struct snd_soc_component *aw_codec) +{ + struct aw88081 *aw88081 = snd_soc_component_get_drvdata(aw_codec); + + cancel_delayed_work_sync(&aw88081->start_work); +} + +static const struct snd_soc_component_driver soc_codec_dev_aw88081 = { + .probe = aw88081_codec_probe, + .remove = aw88081_codec_remove, + .dapm_widgets = aw88081_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(aw88081_dapm_widgets), + .dapm_routes = aw88081_audio_map, + .num_dapm_routes = ARRAY_SIZE(aw88081_audio_map), + .controls = aw88081_controls, + .num_controls = ARRAY_SIZE(aw88081_controls), +}; + +static const struct i2c_device_id aw88081_i2c_id[] = { + { AW88081_I2C_NAME, AW88081}, + { AW88083_I2C_NAME, AW88083}, + { } +}; +MODULE_DEVICE_TABLE(i2c, aw88081_i2c_id); + +static int aw88081_i2c_probe(struct i2c_client *i2c) +{ + const struct regmap_config *regmap_config; + const struct i2c_device_id *id; + struct aw88081 *aw88081; + int ret; + + ret = i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C); + if (!ret) + return dev_err_probe(&i2c->dev, -ENXIO, "check_functionality failed"); + + aw88081 = devm_kzalloc(&i2c->dev, sizeof(*aw88081), GFP_KERNEL); + if (!aw88081) + return -ENOMEM; + + id = i2c_match_id(aw88081_i2c_id, i2c); + aw88081->devtype = id->driver_data; + + mutex_init(&aw88081->lock); + + i2c_set_clientdata(i2c, aw88081); + + switch (aw88081->devtype) { + case AW88081: + regmap_config = &aw88081_regmap_config; + break; + case AW88083: + regmap_config = &aw88083_regmap_config; + break; + default: + return -EINVAL; + } + + aw88081->regmap = devm_regmap_init_i2c(i2c, regmap_config); + if (IS_ERR(aw88081->regmap)) + return dev_err_probe(&i2c->dev, PTR_ERR(aw88081->regmap), + "failed to init regmap\n"); + + /* aw pa init */ + ret = aw88081_init(aw88081, i2c, aw88081->regmap); + if (ret) + return ret; + + return devm_snd_soc_register_component(&i2c->dev, + &soc_codec_dev_aw88081, + aw88081_dai, ARRAY_SIZE(aw88081_dai)); +} + +#if defined(CONFIG_OF) +static const struct of_device_id aw88081_of_match[] = { + { .compatible = "awinic,aw88081" }, + { .compatible = "awinic,aw88083" }, + { } +}; +MODULE_DEVICE_TABLE(of, aw88081_of_match); +#endif + +static struct i2c_driver aw88081_i2c_driver = { + .driver = { + .name = AW88081_I2C_NAME, + .of_match_table = of_match_ptr(aw88081_of_match), + }, + .probe = aw88081_i2c_probe, + .id_table = aw88081_i2c_id, +}; +module_i2c_driver(aw88081_i2c_driver); + +MODULE_DESCRIPTION("ASoC AW88081 Smart PA Driver"); +MODULE_LICENSE("GPL v2"); |