Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Weidong Wang | 6001 | 99.85% | 4 | 66.67% |
Arnd Bergmann | 7 | 0.12% | 1 | 16.67% |
Harshit Mogalapalli | 2 | 0.03% | 1 | 16.67% |
Total | 6010 | 6 |
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// SPDX-License-Identifier: GPL-2.0-only // // aw88261.c -- AW88261 ALSA SoC Audio driver // // Copyright (c) 2023 awinic Technology CO., LTD // // Author: Jimmy Zhang <zhangjianming@awinic.com> // Author: Weidong Wang <wangweidong.a@awinic.com> // #include <linux/i2c.h> #include <linux/firmware.h> #include <linux/regmap.h> #include <sound/soc.h> #include "aw88261.h" #include "aw88395/aw88395_data_type.h" #include "aw88395/aw88395_device.h" static const struct regmap_config aw88261_remap_config = { .val_bits = 16, .reg_bits = 8, .max_register = AW88261_REG_MAX, .reg_format_endian = REGMAP_ENDIAN_LITTLE, .val_format_endian = REGMAP_ENDIAN_BIG, }; static void aw88261_dev_set_volume(struct aw_device *aw_dev, unsigned int value) { struct aw_volume_desc *vol_desc = &aw_dev->volume_desc; unsigned int real_value, volume; unsigned int reg_value; volume = min((value + vol_desc->init_volume), (unsigned int)AW88261_MUTE_VOL); real_value = DB_TO_REG_VAL(volume); regmap_read(aw_dev->regmap, AW88261_SYSCTRL2_REG, ®_value); real_value = (real_value | (reg_value & AW88261_VOL_START_MASK)); dev_dbg(aw_dev->dev, "value 0x%x , real_value:0x%x", value, real_value); regmap_write(aw_dev->regmap, AW88261_SYSCTRL2_REG, real_value); } static void aw88261_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) { aw88261_dev_set_volume(aw_dev, fade_in_vol); return; } for (i = AW88261_MUTE_VOL; i >= fade_in_vol; i -= fade_step) { aw88261_dev_set_volume(aw_dev, i); usleep_range(aw_dev->fade_in_time, aw_dev->fade_in_time + 10); } if (i != fade_in_vol) aw88261_dev_set_volume(aw_dev, fade_in_vol); } static void aw88261_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) { aw88261_dev_set_volume(aw_dev, AW88261_MUTE_VOL); return; } for (i = desc->ctl_volume; i <= AW88261_MUTE_VOL; i += fade_step) { aw88261_dev_set_volume(aw_dev, i); usleep_range(aw_dev->fade_out_time, aw_dev->fade_out_time + 10); } if (i != AW88261_MUTE_VOL) { aw88261_dev_set_volume(aw_dev, AW88261_MUTE_VOL); usleep_range(aw_dev->fade_out_time, aw_dev->fade_out_time + 10); } } static void aw88261_dev_i2s_tx_enable(struct aw_device *aw_dev, bool flag) { if (flag) regmap_update_bits(aw_dev->regmap, AW88261_I2SCFG1_REG, ~AW88261_I2STXEN_MASK, AW88261_I2STXEN_ENABLE_VALUE); else regmap_update_bits(aw_dev->regmap, AW88261_I2SCFG1_REG, ~AW88261_I2STXEN_MASK, AW88261_I2STXEN_DISABLE_VALUE); } static void aw88261_dev_pwd(struct aw_device *aw_dev, bool pwd) { if (pwd) regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, ~AW88261_PWDN_MASK, AW88261_PWDN_POWER_DOWN_VALUE); else regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, ~AW88261_PWDN_MASK, AW88261_PWDN_WORKING_VALUE); } static void aw88261_dev_amppd(struct aw_device *aw_dev, bool amppd) { if (amppd) regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, ~AW88261_AMPPD_MASK, AW88261_AMPPD_POWER_DOWN_VALUE); else regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, ~AW88261_AMPPD_MASK, AW88261_AMPPD_WORKING_VALUE); } static void aw88261_dev_mute(struct aw_device *aw_dev, bool is_mute) { if (is_mute) { aw88261_dev_fade_out(aw_dev); regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, ~AW88261_HMUTE_MASK, AW88261_HMUTE_ENABLE_VALUE); } else { regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, ~AW88261_HMUTE_MASK, AW88261_HMUTE_DISABLE_VALUE); aw88261_dev_fade_in(aw_dev); } } static void aw88261_dev_clear_int_status(struct aw_device *aw_dev) { unsigned int int_status; /* read int status and clear */ regmap_read(aw_dev->regmap, AW88261_SYSINT_REG, &int_status); /* make sure int status is clear */ regmap_read(aw_dev->regmap, AW88261_SYSINT_REG, &int_status); dev_dbg(aw_dev->dev, "read interrupt reg = 0x%04x", int_status); } static int aw88261_dev_get_iis_status(struct aw_device *aw_dev) { unsigned int reg_val; int ret; ret = regmap_read(aw_dev->regmap, AW88261_SYSST_REG, ®_val); if (ret) return ret; if ((reg_val & AW88261_BIT_PLL_CHECK) != AW88261_BIT_PLL_CHECK) { dev_err(aw_dev->dev, "check pll lock fail,reg_val:0x%04x", reg_val); return -EINVAL; } return ret; } static int aw88261_dev_check_mode1_pll(struct aw_device *aw_dev) { int ret, i; for (i = 0; i < AW88261_DEV_SYSST_CHECK_MAX; i++) { ret = aw88261_dev_get_iis_status(aw_dev); if (ret) { dev_err(aw_dev->dev, "mode1 iis signal check error"); usleep_range(AW88261_2000_US, AW88261_2000_US + 10); } else { return ret; } } return -EPERM; } static int aw88261_dev_check_mode2_pll(struct aw_device *aw_dev) { unsigned int reg_val; int ret, i; ret = regmap_read(aw_dev->regmap, AW88261_PLLCTRL1_REG, ®_val); if (ret) return ret; reg_val &= (~AW88261_CCO_MUX_MASK); if (reg_val == AW88261_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, AW88261_PLLCTRL1_REG, ~AW88261_CCO_MUX_MASK, AW88261_CCO_MUX_DIVIDED_VALUE); if (ret) return ret; for (i = 0; i < AW88261_DEV_SYSST_CHECK_MAX; i++) { ret = aw88261_dev_get_iis_status(aw_dev); if (ret) { dev_err(aw_dev->dev, "mode2 iis signal check error"); usleep_range(AW88261_2000_US, AW88261_2000_US + 10); } else { break; } } /* change mode1 */ ret = regmap_update_bits(aw_dev->regmap, AW88261_PLLCTRL1_REG, ~AW88261_CCO_MUX_MASK, AW88261_CCO_MUX_BYPASS_VALUE); if (ret == 0) { usleep_range(AW88261_2000_US, AW88261_2000_US + 10); for (i = 0; i < AW88261_DEV_SYSST_CHECK_MAX; i++) { ret = aw88261_dev_check_mode1_pll(aw_dev); if (ret) { dev_err(aw_dev->dev, "mode2 switch to mode1, iis signal check error"); usleep_range(AW88261_2000_US, AW88261_2000_US + 10); } else { break; } } } return ret; } static int aw88261_dev_check_syspll(struct aw_device *aw_dev) { int ret; ret = aw88261_dev_check_mode1_pll(aw_dev); if (ret) { dev_dbg(aw_dev->dev, "mode1 check iis failed try switch to mode2 check"); ret = aw88261_dev_check_mode2_pll(aw_dev); if (ret) { dev_err(aw_dev->dev, "mode2 check iis failed"); return ret; } } return ret; } static int aw88261_dev_check_sysst(struct aw_device *aw_dev) { unsigned int check_val; unsigned int reg_val; int ret, i; for (i = 0; i < AW88261_DEV_SYSST_CHECK_MAX; i++) { ret = regmap_read(aw_dev->regmap, AW88261_SYSST_REG, ®_val); if (ret) return ret; check_val = reg_val & (~AW88261_BIT_SYSST_CHECK_MASK) & AW88261_BIT_SYSST_CHECK; if (check_val != AW88261_BIT_SYSST_CHECK) { dev_err(aw_dev->dev, "check sysst fail, reg_val=0x%04x, check:0x%x", reg_val, AW88261_BIT_SYSST_CHECK); usleep_range(AW88261_2000_US, AW88261_2000_US + 10); } else { return 0; } } return -EPERM; } static void aw88261_dev_uls_hmute(struct aw_device *aw_dev, bool uls_hmute) { if (uls_hmute) regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, ~AW88261_ULS_HMUTE_MASK, AW88261_ULS_HMUTE_ENABLE_VALUE); else regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, ~AW88261_ULS_HMUTE_MASK, AW88261_ULS_HMUTE_DISABLE_VALUE); } static void aw88261_reg_force_set(struct aw88261 *aw88261) { if (aw88261->frcset_en == AW88261_FRCSET_ENABLE) { /* set FORCE_PWM */ regmap_update_bits(aw88261->regmap, AW88261_BSTCTRL3_REG, AW88261_FORCE_PWM_MASK, AW88261_FORCE_PWM_FORCEMINUS_PWM_VALUE); /* set BOOST_OS_WIDTH */ regmap_update_bits(aw88261->regmap, AW88261_BSTCTRL5_REG, AW88261_BST_OS_WIDTH_MASK, AW88261_BST_OS_WIDTH_50NS_VALUE); /* set BURST_LOOPR */ regmap_update_bits(aw88261->regmap, AW88261_BSTCTRL6_REG, AW88261_BST_LOOPR_MASK, AW88261_BST_LOOPR_340K_VALUE); /* set RSQN_DLY */ regmap_update_bits(aw88261->regmap, AW88261_BSTCTRL7_REG, AW88261_RSQN_DLY_MASK, AW88261_RSQN_DLY_35NS_VALUE); /* set BURST_SSMODE */ regmap_update_bits(aw88261->regmap, AW88261_BSTCTRL8_REG, AW88261_BURST_SSMODE_MASK, AW88261_BURST_SSMODE_FAST_VALUE); /* set BST_BURST */ regmap_update_bits(aw88261->regmap, AW88261_BSTCTRL9_REG, AW88261_BST_BURST_MASK, AW88261_BST_BURST_30MA_VALUE); } else { dev_dbg(aw88261->aw_pa->dev, "needn't set reg value"); } } static int aw88261_dev_get_icalk(struct aw_device *aw_dev, int16_t *icalk) { u16 reg_icalk, reg_icalkl; unsigned int reg_val; int ret; ret = regmap_read(aw_dev->regmap, AW88261_EFRH4_REG, ®_val); if (ret) return ret; reg_icalk = reg_val & (~AW88261_EF_ISN_GESLP_H_MASK); ret = regmap_read(aw_dev->regmap, AW88261_EFRL4_REG, ®_val); if (ret) return ret; reg_icalkl = reg_val & (~AW88261_EF_ISN_GESLP_L_MASK); reg_icalk = (reg_icalk >> AW88261_ICALK_SHIFT) & (reg_icalkl >> AW88261_ICALKL_SHIFT); if (reg_icalk & (~AW88261_EF_ISN_GESLP_SIGN_MASK)) reg_icalk = reg_icalk | ~AW88261_EF_ISN_GESLP_NEG; *icalk = (int16_t)reg_icalk; return ret; } static int aw88261_dev_get_vcalk(struct aw_device *aw_dev, int16_t *vcalk) { u16 reg_vcalk, reg_vcalkl; unsigned int reg_val; int ret; ret = regmap_read(aw_dev->regmap, AW88261_EFRH3_REG, ®_val); if (ret) return ret; reg_vcalk = (u16)reg_val & (~AW88261_EF_VSN_GESLP_H_MASK); ret = regmap_read(aw_dev->regmap, AW88261_EFRL3_REG, ®_val); if (ret) return ret; reg_vcalkl = (u16)reg_val & (~AW88261_EF_VSN_GESLP_L_MASK); reg_vcalk = (reg_vcalk >> AW88261_VCALK_SHIFT) & (reg_vcalkl >> AW88261_VCALKL_SHIFT); if (reg_vcalk & AW88261_EF_VSN_GESLP_SIGN_MASK) reg_vcalk = reg_vcalk | (~AW88261_EF_VSN_GESLP_NEG); *vcalk = (int16_t)reg_vcalk; return ret; } static int aw88261_dev_set_vcalb(struct aw_device *aw_dev) { int16_t icalk_val, vcalk_val; int icalk, vcalk, vcalb; u32 reg_val; int ret; ret = aw88261_dev_get_icalk(aw_dev, &icalk_val); if (ret) return ret; ret = aw88261_dev_get_vcalk(aw_dev, &vcalk_val); if (ret) return ret; icalk = AW88261_CABL_BASE_VALUE + AW88261_ICABLK_FACTOR * icalk_val; vcalk = AW88261_CABL_BASE_VALUE + AW88261_VCABLK_FACTOR * vcalk_val; if (!vcalk) return -EINVAL; vcalb = AW88261_VCAL_FACTOR * icalk / vcalk; reg_val = (unsigned int)vcalb; dev_dbg(aw_dev->dev, "icalk=%d, vcalk=%d, vcalb=%d, reg_val=0x%04x", icalk, vcalk, vcalb, reg_val); ret = regmap_write(aw_dev->regmap, AW88261_VSNTM1_REG, reg_val); return ret; } static int aw88261_dev_reg_update(struct aw88261 *aw88261, unsigned char *data, unsigned int len) { struct aw_device *aw_dev = aw88261->aw_pa; struct aw_volume_desc *vol_desc = &aw_dev->volume_desc; unsigned int read_val, efcheck_val, read_vol; 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]; if (reg_addr == AW88261_SYSCTRL_REG) { aw88261->amppd_st = reg_val & (~AW88261_AMPPD_MASK); ret = regmap_read(aw_dev->regmap, reg_addr, &read_val); if (ret) break; read_val &= (~AW88261_AMPPD_MASK) | (~AW88261_PWDN_MASK) | (~AW88261_HMUTE_MASK); reg_val &= (AW88261_AMPPD_MASK | AW88261_PWDN_MASK | AW88261_HMUTE_MASK); reg_val |= read_val; /* enable uls hmute */ reg_val &= AW88261_ULS_HMUTE_MASK; reg_val |= AW88261_ULS_HMUTE_ENABLE_VALUE; } if (reg_addr == AW88261_DBGCTRL_REG) { efcheck_val = reg_val & (~AW88261_EF_DBMD_MASK); if (efcheck_val == AW88261_OR_VALUE) aw88261->efuse_check = AW88261_EF_OR_CHECK; else aw88261->efuse_check = AW88261_EF_AND_CHECK; } /* i2stxen */ if (reg_addr == AW88261_I2SCTRL3_REG) { /* close tx */ reg_val &= AW88261_I2STXEN_MASK; reg_val |= AW88261_I2STXEN_DISABLE_VALUE; } if (reg_addr == AW88261_SYSCTRL2_REG) { read_vol = (reg_val & (~AW88261_VOL_MASK)) >> AW88261_VOL_START_BIT; aw_dev->volume_desc.init_volume = REG_VAL_TO_DB(read_vol); } if (reg_addr == AW88261_VSNTM1_REG) continue; ret = regmap_write(aw_dev->regmap, reg_addr, reg_val); if (ret) break; } ret = aw88261_dev_set_vcalb(aw_dev); if (ret) return ret; if (aw_dev->prof_cur != aw_dev->prof_index) vol_desc->ctl_volume = 0; /* keep min volume */ aw88261_dev_set_volume(aw_dev, vol_desc->mute_volume); return ret; } static int aw88261_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 aw88261_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 aw88261_dev_fw_update(struct aw88261 *aw88261) { struct aw_device *aw_dev = aw88261->aw_pa; struct aw_prof_desc *prof_index_desc; struct aw_sec_data_desc *sec_desc; char *prof_name; int ret; ret = aw88261_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 = aw88261_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 = aw88261_dev_reg_update(aw88261, 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 ret; } static int aw88261_dev_start(struct aw88261 *aw88261) { struct aw_device *aw_dev = aw88261->aw_pa; int ret; if (aw_dev->status == AW88261_DEV_PW_ON) { dev_info(aw_dev->dev, "already power on"); return 0; } /* power on */ aw88261_dev_pwd(aw_dev, false); usleep_range(AW88261_2000_US, AW88261_2000_US + 10); ret = aw88261_dev_check_syspll(aw_dev); if (ret) { dev_err(aw_dev->dev, "pll check failed cannot start"); goto pll_check_fail; } /* amppd on */ aw88261_dev_amppd(aw_dev, false); usleep_range(AW88261_1000_US, AW88261_1000_US + 50); /* check i2s status */ ret = aw88261_dev_check_sysst(aw_dev); if (ret) { dev_err(aw_dev->dev, "sysst check failed"); goto sysst_check_fail; } /* enable tx feedback */ aw88261_dev_i2s_tx_enable(aw_dev, true); if (aw88261->amppd_st) aw88261_dev_amppd(aw_dev, true); aw88261_reg_force_set(aw88261); /* close uls mute */ aw88261_dev_uls_hmute(aw_dev, false); /* close mute */ if (!aw88261->mute_st) aw88261_dev_mute(aw_dev, false); /* clear inturrupt */ aw88261_dev_clear_int_status(aw_dev); aw_dev->status = AW88261_DEV_PW_ON; return 0; sysst_check_fail: aw88261_dev_i2s_tx_enable(aw_dev, false); aw88261_dev_clear_int_status(aw_dev); aw88261_dev_amppd(aw_dev, true); pll_check_fail: aw88261_dev_pwd(aw_dev, true); aw_dev->status = AW88261_DEV_PW_OFF; return ret; } static int aw88261_dev_stop(struct aw_device *aw_dev) { if (aw_dev->status == AW88261_DEV_PW_OFF) { dev_info(aw_dev->dev, "already power off"); return 0; } aw_dev->status = AW88261_DEV_PW_OFF; /* clear inturrupt */ aw88261_dev_clear_int_status(aw_dev); aw88261_dev_uls_hmute(aw_dev, true); /* set mute */ aw88261_dev_mute(aw_dev, true); /* close tx feedback */ aw88261_dev_i2s_tx_enable(aw_dev, false); usleep_range(AW88261_1000_US, AW88261_1000_US + 100); /* enable amppd */ aw88261_dev_amppd(aw_dev, true); /* set power down */ aw88261_dev_pwd(aw_dev, true); return 0; } static int aw88261_reg_update(struct aw88261 *aw88261, bool force) { struct aw_device *aw_dev = aw88261->aw_pa; int ret; if (force) { ret = regmap_write(aw_dev->regmap, AW88261_ID_REG, AW88261_SOFT_RESET_VALUE); if (ret) return ret; ret = aw88261_dev_fw_update(aw88261); if (ret) return ret; } else { if (aw_dev->prof_cur != aw_dev->prof_index) { ret = aw88261_dev_fw_update(aw88261); if (ret) return ret; } else { ret = 0; } } aw_dev->prof_cur = aw_dev->prof_index; return ret; } static void aw88261_start_pa(struct aw88261 *aw88261) { int ret, i; for (i = 0; i < AW88261_START_RETRIES; i++) { ret = aw88261_reg_update(aw88261, aw88261->phase_sync); if (ret) { dev_err(aw88261->aw_pa->dev, "fw update failed, cnt:%d\n", i); continue; } ret = aw88261_dev_start(aw88261); if (ret) { dev_err(aw88261->aw_pa->dev, "aw88261 device start failed. retry = %d", i); continue; } else { dev_info(aw88261->aw_pa->dev, "start success\n"); break; } } } static void aw88261_startup_work(struct work_struct *work) { struct aw88261 *aw88261 = container_of(work, struct aw88261, start_work.work); mutex_lock(&aw88261->lock); aw88261_start_pa(aw88261); mutex_unlock(&aw88261->lock); } static void aw88261_start(struct aw88261 *aw88261, bool sync_start) { if (aw88261->aw_pa->fw_status != AW88261_DEV_FW_OK) return; if (aw88261->aw_pa->status == AW88261_DEV_PW_ON) return; if (sync_start == AW88261_SYNC_START) aw88261_start_pa(aw88261); else queue_delayed_work(system_wq, &aw88261->start_work, AW88261_START_WORK_DELAY_MS); } static struct snd_soc_dai_driver aw88261_dai[] = { { .name = "aw88261-aif", .id = 1, .playback = { .stream_name = "Speaker_Playback", .channels_min = 1, .channels_max = 2, .rates = AW88261_RATES, .formats = AW88261_FORMATS, }, .capture = { .stream_name = "Speaker_Capture", .channels_min = 1, .channels_max = 2, .rates = AW88261_RATES, .formats = AW88261_FORMATS, }, }, }; static int aw88261_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 aw88261 *aw88261 = snd_soc_component_get_drvdata(component); struct aw_device *aw_dev = aw88261->aw_pa; ucontrol->value.integer.value[0] = aw_dev->fade_in_time; return 0; } static int aw88261_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 aw88261 *aw88261 = snd_soc_component_get_drvdata(component); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; struct aw_device *aw_dev = aw88261->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 aw88261_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 aw88261 *aw88261 = snd_soc_component_get_drvdata(component); struct aw_device *aw_dev = aw88261->aw_pa; ucontrol->value.integer.value[0] = aw_dev->fade_out_time; return 0; } static int aw88261_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 aw88261 *aw88261 = snd_soc_component_get_drvdata(component); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; struct aw_device *aw_dev = aw88261->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 aw88261_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 aw88261_profile_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); char *prof_name, *name; int count, ret; uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = 1; count = aw88261->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 = aw88261_dev_get_prof_name(aw88261->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 aw88261_profile_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); ucontrol->value.integer.value[0] = aw88261->aw_pa->prof_index; return 0; } static int aw88261_profile_set(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); int ret; /* pa stop or stopping just set profile */ mutex_lock(&aw88261->lock); ret = aw88261_dev_set_profile_index(aw88261->aw_pa, ucontrol->value.integer.value[0]); if (ret) { dev_dbg(codec->dev, "profile index does not change"); mutex_unlock(&aw88261->lock); return 0; } if (aw88261->aw_pa->status) { aw88261_dev_stop(aw88261->aw_pa); aw88261_start(aw88261, AW88261_SYNC_START); } mutex_unlock(&aw88261->lock); return 1; } static int aw88261_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); struct aw_volume_desc *vol_desc = &aw88261->aw_pa->volume_desc; ucontrol->value.integer.value[0] = vol_desc->ctl_volume; return 0; } static int aw88261_volume_set(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); struct aw_volume_desc *vol_desc = &aw88261->aw_pa->volume_desc; struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; int value; value = ucontrol->value.integer.value[0]; if (value < mc->min || value > mc->max) return -EINVAL; if (vol_desc->ctl_volume != value) { vol_desc->ctl_volume = value; aw88261_dev_set_volume(aw88261->aw_pa, vol_desc->ctl_volume); return 1; } return 0; } static int aw88261_get_fade_step(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); ucontrol->value.integer.value[0] = aw88261->aw_pa->fade_step; return 0; } static int aw88261_set_fade_step(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); struct aw88261 *aw88261 = 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 (aw88261->aw_pa->fade_step != value) { aw88261->aw_pa->fade_step = value; return 1; } return 0; } static const struct snd_kcontrol_new aw88261_controls[] = { SOC_SINGLE_EXT("PCM Playback Volume", AW88261_SYSCTRL2_REG, 6, AW88261_MUTE_VOL, 0, aw88261_volume_get, aw88261_volume_set), SOC_SINGLE_EXT("Fade Step", 0, 0, AW88261_MUTE_VOL, 0, aw88261_get_fade_step, aw88261_set_fade_step), SOC_SINGLE_EXT("Volume Ramp Up Step", 0, 0, FADE_TIME_MAX, FADE_TIME_MIN, aw88261_get_fade_in_time, aw88261_set_fade_in_time), SOC_SINGLE_EXT("Volume Ramp Down Step", 0, 0, FADE_TIME_MAX, FADE_TIME_MIN, aw88261_get_fade_out_time, aw88261_set_fade_out_time), AW88261_PROFILE_EXT("Profile Set", aw88261_profile_info, aw88261_profile_get, aw88261_profile_set), }; static int aw88261_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 aw88261 *aw88261 = snd_soc_component_get_drvdata(component); mutex_lock(&aw88261->lock); switch (event) { case SND_SOC_DAPM_PRE_PMU: aw88261_start(aw88261, AW88261_ASYNC_START); break; case SND_SOC_DAPM_POST_PMD: aw88261_dev_stop(aw88261->aw_pa); break; default: break; } mutex_unlock(&aw88261->lock); return 0; } static const struct snd_soc_dapm_widget aw88261_dapm_widgets[] = { /* playback */ SND_SOC_DAPM_AIF_IN_E("AIF_RX", "Speaker_Playback", 0, 0, 0, 0, aw88261_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 aw88261_audio_map[] = { {"DAC Output", NULL, "AIF_RX"}, {"AIF_TX", NULL, "ADC Input"}, }; static int aw88261_frcset_check(struct aw88261 *aw88261) { unsigned int reg_val; u16 temh, teml, tem; int ret; ret = regmap_read(aw88261->regmap, AW88261_EFRH3_REG, ®_val); if (ret) return ret; temh = ((u16)reg_val & (~AW88261_TEMH_MASK)); ret = regmap_read(aw88261->regmap, AW88261_EFRL3_REG, ®_val); if (ret) return ret; teml = ((u16)reg_val & (~AW88261_TEML_MASK)); if (aw88261->efuse_check == AW88261_EF_OR_CHECK) tem = (temh | teml); else tem = (temh & teml); if (tem == AW88261_DEFAULT_CFG) aw88261->frcset_en = AW88261_FRCSET_ENABLE; else aw88261->frcset_en = AW88261_FRCSET_DISABLE; dev_dbg(aw88261->aw_pa->dev, "tem is 0x%04x, frcset_en is %d", tem, aw88261->frcset_en); return ret; } static int aw88261_dev_init(struct aw88261 *aw88261, struct aw_container *aw_cfg) { struct aw_device *aw_dev = aw88261->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, AW88261_ID_REG, AW88261_SOFT_RESET_VALUE); if (ret) return ret; aw_dev->fade_in_time = AW88261_500_US; aw_dev->fade_out_time = AW88261_500_US; aw_dev->prof_cur = AW88261_INIT_PROFILE; aw_dev->prof_index = AW88261_INIT_PROFILE; ret = aw88261_dev_fw_update(aw88261); if (ret) { dev_err(aw_dev->dev, "fw update failed ret = %d\n", ret); return ret; } ret = aw88261_frcset_check(aw88261); if (ret) { dev_err(aw_dev->dev, "aw88261_frcset_check ret = %d\n", ret); return ret; } aw88261_dev_clear_int_status(aw_dev); aw88261_dev_uls_hmute(aw_dev, true); aw88261_dev_mute(aw_dev, true); aw88261_dev_i2s_tx_enable(aw_dev, false); usleep_range(AW88261_1000_US, AW88261_1000_US + 100); aw88261_dev_amppd(aw_dev, true); aw88261_dev_pwd(aw_dev, true); return 0; } static int aw88261_request_firmware_file(struct aw88261 *aw88261) { const struct firmware *cont = NULL; int ret; aw88261->aw_pa->fw_status = AW88261_DEV_FW_FAILED; ret = request_firmware(&cont, AW88261_ACF_FILE, aw88261->aw_pa->dev); if (ret) return dev_err_probe(aw88261->aw_pa->dev, ret, "load [%s] failed!", AW88261_ACF_FILE); dev_info(aw88261->aw_pa->dev, "loaded %s - size: %zu\n", AW88261_ACF_FILE, cont ? cont->size : 0); aw88261->aw_cfg = devm_kzalloc(aw88261->aw_pa->dev, cont->size + sizeof(int), GFP_KERNEL); if (!aw88261->aw_cfg) { release_firmware(cont); return -ENOMEM; } aw88261->aw_cfg->len = (int)cont->size; memcpy(aw88261->aw_cfg->data, cont->data, cont->size); release_firmware(cont); ret = aw88395_dev_load_acf_check(aw88261->aw_pa, aw88261->aw_cfg); if (ret) { dev_err(aw88261->aw_pa->dev, "load [%s] failed !", AW88261_ACF_FILE); return ret; } mutex_lock(&aw88261->lock); /* aw device init */ ret = aw88261_dev_init(aw88261, aw88261->aw_cfg); if (ret) dev_err(aw88261->aw_pa->dev, "dev init failed"); mutex_unlock(&aw88261->lock); return ret; } static int aw88261_codec_probe(struct snd_soc_component *component) { struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); int ret; INIT_DELAYED_WORK(&aw88261->start_work, aw88261_startup_work); ret = aw88261_request_firmware_file(aw88261); if (ret) return dev_err_probe(aw88261->aw_pa->dev, ret, "aw88261_request_firmware_file failed\n"); /* add widgets */ ret = snd_soc_dapm_new_controls(dapm, aw88261_dapm_widgets, ARRAY_SIZE(aw88261_dapm_widgets)); if (ret) return ret; /* add route */ ret = snd_soc_dapm_add_routes(dapm, aw88261_audio_map, ARRAY_SIZE(aw88261_audio_map)); if (ret) return ret; ret = snd_soc_add_component_controls(component, aw88261_controls, ARRAY_SIZE(aw88261_controls)); return ret; } static void aw88261_codec_remove(struct snd_soc_component *aw_codec) { struct aw88261 *aw88261 = snd_soc_component_get_drvdata(aw_codec); cancel_delayed_work_sync(&aw88261->start_work); } static const struct snd_soc_component_driver soc_codec_dev_aw88261 = { .probe = aw88261_codec_probe, .remove = aw88261_codec_remove, }; static void aw88261_parse_channel_dt(struct aw88261 *aw88261) { struct aw_device *aw_dev = aw88261->aw_pa; struct device_node *np = aw_dev->dev->of_node; u32 channel_value = AW88261_DEV_DEFAULT_CH; of_property_read_u32(np, "awinic,audio-channel", &channel_value); aw88261->phase_sync = of_property_read_bool(np, "awinic,sync-flag"); aw_dev->channel = channel_value; } static int aw88261_init(struct aw88261 **aw88261, 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, AW88261_ID_REG, &chip_id); if (ret) { dev_err(&i2c->dev, "%s read chipid error. ret = %d", __func__, ret); return ret; } if (chip_id != AW88261_CHIP_ID) { dev_err(&i2c->dev, "unsupported device"); return -ENXIO; } dev_info(&i2c->dev, "chip id = %x\n", chip_id); aw_dev = devm_kzalloc(&i2c->dev, sizeof(*aw_dev), GFP_KERNEL); if (!aw_dev) return -ENOMEM; (*aw88261)->aw_pa = aw_dev; aw_dev->i2c = i2c; aw_dev->regmap = regmap; aw_dev->dev = &i2c->dev; aw_dev->chip_id = AW88261_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 = 0; aw_dev->fw_status = AW88261_DEV_FW_FAILED; aw_dev->fade_step = AW88261_VOLUME_STEP_DB; aw_dev->volume_desc.ctl_volume = AW88261_VOL_DEFAULT_VALUE; aw_dev->volume_desc.mute_volume = AW88261_MUTE_VOL; aw88261_parse_channel_dt(*aw88261); return ret; } static int aw88261_i2c_probe(struct i2c_client *i2c) { struct aw88261 *aw88261; int ret; ret = i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C); if (!ret) return dev_err_probe(&i2c->dev, -ENXIO, "check_functionality failed"); aw88261 = devm_kzalloc(&i2c->dev, sizeof(*aw88261), GFP_KERNEL); if (!aw88261) return -ENOMEM; mutex_init(&aw88261->lock); i2c_set_clientdata(i2c, aw88261); aw88261->regmap = devm_regmap_init_i2c(i2c, &aw88261_remap_config); if (IS_ERR(aw88261->regmap)) { ret = PTR_ERR(aw88261->regmap); return dev_err_probe(&i2c->dev, ret, "failed to init regmap: %d\n", ret); } /* aw pa init */ ret = aw88261_init(&aw88261, i2c, aw88261->regmap); if (ret) return ret; ret = devm_snd_soc_register_component(&i2c->dev, &soc_codec_dev_aw88261, aw88261_dai, ARRAY_SIZE(aw88261_dai)); if (ret) dev_err(&i2c->dev, "failed to register aw88261: %d", ret); return ret; } static const struct i2c_device_id aw88261_i2c_id[] = { { AW88261_I2C_NAME }, { } }; MODULE_DEVICE_TABLE(i2c, aw88261_i2c_id); static struct i2c_driver aw88261_i2c_driver = { .driver = { .name = AW88261_I2C_NAME, }, .probe = aw88261_i2c_probe, .id_table = aw88261_i2c_id, }; module_i2c_driver(aw88261_i2c_driver); MODULE_DESCRIPTION("ASoC AW88261 Smart PA Driver"); MODULE_LICENSE("GPL v2");
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