/* * sec_battery_wc.c * Samsung Mobile Battery Driver * * Copyright (C) 2020 Samsung Electronics * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include "sec_battery.h" #include "sb_tx.h" #if defined(CONFIG_SEC_KUNIT) #include #else #define __visible_for_testing static #endif #if defined(CONFIG_WIRELESS_FIRMWARE_UPDATE) bool sec_bat_check_boost_mfc_condition(struct sec_battery_info *battery, int mode) { union power_supply_propval value = {0, }; int boost_status = 0, wpc_det = 0, mst_pwr_en = 0; pr_info("%s\n", __func__); if (mode == SEC_WIRELESS_FW_UPDATE_AUTO_MODE) { psy_do_property(battery->pdata->wireless_charger_name, get, POWER_SUPPLY_EXT_PROP_WIRELESS_INITIAL_WC_CHECK, value); wpc_det = value.intval; } psy_do_property(battery->pdata->wireless_charger_name, get, POWER_SUPPLY_EXT_PROP_WIRELESS_MST_PWR_EN, value); mst_pwr_en = value.intval; psy_do_property(battery->pdata->charger_name, get, POWER_SUPPLY_EXT_PROP_CHARGE_BOOST, value); boost_status = value.intval; pr_info("%s wpc_det(%d), mst_pwr_en(%d), boost_status(%d)\n", __func__, wpc_det, mst_pwr_en, boost_status); if (!boost_status && !wpc_det && !mst_pwr_en) return true; return false; } void sec_bat_fw_update(struct sec_battery_info *battery, int mode) { union power_supply_propval value = {0, }; int ret = 0; pr_info("%s\n", __func__); __pm_wakeup_event(battery->vbus_ws, jiffies_to_msecs(HZ * 10)); switch (mode) { case SEC_WIRELESS_FW_UPDATE_SDCARD_MODE: case SEC_WIRELESS_FW_UPDATE_BUILTIN_MODE: case SEC_WIRELESS_FW_UPDATE_AUTO_MODE: case SEC_WIRELESS_FW_UPDATE_SPU_MODE: case SEC_WIRELESS_FW_UPDATE_SPU_VERIFY_MODE: battery->mfc_fw_update = true; sec_vote(battery->chgen_vote, VOTER_FW, true, SEC_BAT_CHG_MODE_BUCK_OFF); msleep(500); sec_vote(battery->iv_vote, VOTER_FW, true, SEC_INPUT_VOLTAGE_5V); #if IS_ENABLED(CONFIG_MUIC_NOTIFIER) #if !defined(CONFIG_MTK_CHARGER) || !defined(CONFIG_AFC_CHARGER) muic_afc_request_voltage(AFC_REQUEST_MFC, SEC_INPUT_VOLTAGE_5V / 1000); #endif #endif msleep(2000); value.intval = mode; ret = psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_CHARGE_POWERED_OTG_CONTROL, value); if (ret < 0) { battery->mfc_fw_update = false; sec_vote(battery->chgen_vote, VOTER_FW, false, 0); sec_vote(battery->iv_vote, VOTER_FW, false, 0); #if IS_ENABLED(CONFIG_MUIC_NOTIFIER) #if !defined(CONFIG_MTK_CHARGER) || !defined(CONFIG_AFC_CHARGER) muic_afc_request_voltage(AFC_REQUEST_MFC, SEC_INPUT_VOLTAGE_9V / 1000); #endif #endif } break; default: break; } } #endif void sec_wireless_otg_control(struct sec_battery_info *battery, int enable) { union power_supply_propval value = {0, }; unsigned int vout_check_cnt = 0; if (battery->cable_type == SEC_BATTERY_CABLE_WIRELESS_MPP) // need to check scenario return; if (enable) { sec_bat_set_current_event(battery, SEC_BAT_CURRENT_EVENT_WPC_VOUT_LOCK, SEC_BAT_CURRENT_EVENT_WPC_VOUT_LOCK); } else { sec_bat_set_current_event(battery, 0, SEC_BAT_CURRENT_EVENT_WPC_VOUT_LOCK); } value.intval = enable; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_CHARGE_OTG_CONTROL, value); if (is_wireless_type(battery->cable_type)) { if (enable) { set_wireless_otg_input_current(battery); msleep(1500); } pr_info("%s: wireless vout %s with OTG(%d)\n", __func__, (enable) ? "4.7V" : "5.5V or HV", enable); mutex_lock(&battery->voutlock); if (is_hv_wireless_type(battery->cable_type)) value.intval = (enable) ? WIRELESS_VOUT_OTG : battery->wpc_vout_level; else value.intval = (enable) ? WIRELESS_VOUT_OTG : WIRELESS_VOUT_CC_CV_VOUT; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_INPUT_VOLTAGE_REGULATION, value); mutex_unlock(&battery->voutlock); if (enable) { for (vout_check_cnt = 0; vout_check_cnt < 5; vout_check_cnt++) { msleep(100); psy_do_property(battery->pdata->wireless_charger_name, get, POWER_SUPPLY_PROP_ENERGY_NOW, value); if (value.intval < 5000) { pr_info("%s: wireless vout 4.7V done(%d)\n", __func__, value.intval); break; } } } else set_wireless_otg_input_current(battery); } else if (battery->wc_tx_enable && enable) { /* TX power should turn off during otg on */ pr_info("@Tx_Mode %s: OTG is going to work, TX power should off\n", __func__); /* set tx event */ sec_bat_set_tx_event(battery, BATT_TX_EVENT_WIRELESS_TX_OTG_ON, BATT_TX_EVENT_WIRELESS_TX_OTG_ON); sec_wireless_set_tx_enable(battery, false); } } unsigned int get_wc20_vout(unsigned int vout) { unsigned int ret = 0; switch (vout) { case WIRELESS_VOUT_5V: ret = 5000; break; case WIRELESS_VOUT_9V: ret = 9000; break; case WIRELESS_VOUT_10V: ret = 10000; break; case WIRELESS_VOUT_11V: ret = 11000; break; case WIRELESS_VOUT_12V: ret = 12000; break; default: pr_info("%s vout(%d) is not supported\n", __func__, vout); return -1; } pr_info("%s vout(%d) - idx(%d)\n", __func__, vout, ret); return ret; } #if 0 unsigned int get_wc20_rx_power_idx(unsigned int rx_power) { unsigned int ret = 0; switch (rx_power) { case 7500: ret = SEC_WIRELESS_RX_POWER_7_5W; break; case 12000: ret = SEC_WIRELESS_RX_POWER_12W; break; case 15000: ret = SEC_WIRELESS_RX_POWER_15W; break; default: pr_info("%s rx_power(%d) is not supported\n", __func__, rx_power); return -1; } pr_info("%s rx_power(%d) - idx(%d)\n", __func__, rx_power, ret); return ret; } unsigned int get_wc20_info_idx(sec_wireless_rx_power_info_t *wc20_info, unsigned int wc20_info_len, unsigned int vout, unsigned int rx_power) { unsigned int idx = 0; for (idx = 0; idx < wc20_info_len; idx++) { if ((get_wc20_vout_idx(wc20_info[idx].vout) == vout) && (get_wc20_rx_power_idx(wc20_info[idx].rx_power) == rx_power)) { pr_info("%s: Found! idx(%d), vout(%d), rx_power(%d)\n", __func__, idx, vout, rx_power); return idx; } } pr_info("%s: Not found! vout(%d), rx_power(%d)\n", __func__, vout, rx_power); return wc20_info_len - 1; } #endif void sec_bat_set_wc20_current(struct sec_battery_info *battery) { int icl = 0, fcc = 0; pr_info("%s: wc_status(%d), rx_power(%d), vout(%d)\n", __func__, battery->wc_status, battery->wc20_rx_power, battery->wc20_vout); if (is_pwr_nego_wireless_type(battery->wc_status)) { icl = (battery->wc20_rx_power / battery->wc20_vout); fcc = battery->pdata->charging_current[battery->wc_status].fast_charging_current; sec_bat_change_default_current(battery, battery->wc_status, icl, fcc); if (battery->wc_status != SEC_BATTERY_CABLE_WIRELESS_MPP) { // for test sec_vote(battery->input_vote, VOTER_CABLE, true, icl); sec_vote(battery->fcc_vote, VOTER_CABLE, true, fcc); } if (battery->wc20_rx_power <= 4500) battery->wc20_power_class = 0; else if (battery->wc20_rx_power <= 7500) battery->wc20_power_class = SEC_WIRELESS_RX_POWER_CLASS_1; else if (battery->wc20_rx_power <= 12000) battery->wc20_power_class = SEC_WIRELESS_RX_POWER_CLASS_2; else if (battery->wc20_rx_power <= 20000) battery->wc20_power_class = SEC_WIRELESS_RX_POWER_CLASS_3; else battery->wc20_power_class = SEC_WIRELESS_RX_POWER_CLASS_4; if (is_wired_type(battery->cable_type)) { int wl_power = battery->wc20_rx_power; pr_info("%s: check power(%d <--> %d)\n", __func__, battery->max_charge_power, wl_power); if (battery->max_charge_power < wl_power) { __pm_stay_awake(battery->cable_ws); queue_delayed_work(battery->monitor_wqueue, &battery->cable_work, 0); } } else { if (battery->wc_status != SEC_BATTERY_CABLE_WIRELESS_MPP) // for test sec_bat_set_charging_current(battery); } } } void set_wireless_otg_input_current(struct sec_battery_info *battery) { pr_info("%s: is_otg_on=%s\n", __func__, battery->is_otg_on ? "ON" : "OFF"); if (battery->is_otg_on) sec_vote(battery->input_vote, VOTER_OTG, true, battery->pdata->wireless_otg_input_current); else sec_vote(battery->input_vote, VOTER_OTG, false, 0); sec_vote(battery->input_vote, VOTER_AICL, false, 0); } void sec_bat_set_mfc_off(struct sec_battery_info *battery, char flag, bool need_ept) { union power_supply_propval value = {0, }; char wpc_en_status[2]; if (need_ept) { psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_PROP_ONLINE, value); msleep(300); } wpc_en_status[0] = flag; wpc_en_status[1] = false; value.strval = wpc_en_status; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_WPC_EN, value); pr_info("@DIS_MFC %s: WC CONTROL: Disable %d\n", __func__, flag); } void sec_bat_set_mfc_on(struct sec_battery_info *battery, char flag) { union power_supply_propval value = {0, }; char wpc_en_status[2]; wpc_en_status[0] = flag; wpc_en_status[1] = true; value.strval = wpc_en_status; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_WPC_EN, value); pr_info("%s: WC CONTROL: Enable %d\n", __func__, flag); } void sec_bat_mfc_ldo_cntl(struct sec_battery_info *battery, bool en) { union power_supply_propval value = {0, }; battery->wc_need_ldo_on = !en; value.intval = en; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_PROP_CHARGE_EMPTY, value); if (battery->disable_mfc) { pr_info("%s : set mfc %s\n", __func__, (en ? "on" : "off")); if (en) sec_bat_set_mfc_on(battery, WPC_EN_CHARGING); else sec_bat_set_mfc_off(battery, WPC_EN_CHARGING, false); } } __visible_for_testing int sec_bat_get_wire_power(struct sec_battery_info *battery, int wr_sts) { int wr_pwr = 0; int wr_icl = 0, wr_vol = 0; if (!is_wired_type(wr_sts)) return 0; if (is_pd_wire_type(wr_sts)) return battery->pd_max_charge_power; wr_icl = (wr_sts == SEC_BATTERY_CABLE_PREPARE_TA ? battery->pdata->charging_current[SEC_BATTERY_CABLE_TA].input_current_limit : battery->pdata->charging_current[wr_sts].input_current_limit); wr_vol = is_hv_wire_type(wr_sts) ? (wr_sts == SEC_BATTERY_CABLE_12V_TA ? SEC_INPUT_VOLTAGE_12V : SEC_INPUT_VOLTAGE_9V) : SEC_INPUT_VOLTAGE_5V; wr_pwr = mW_by_mVmA(wr_vol, wr_icl); pr_info("%s: wr_power(%d), wire_cable_type(%d)\n", __func__, wr_pwr, wr_sts); return wr_pwr; } __visible_for_testing int sec_bat_get_wireless_power(struct sec_battery_info *battery, int wrl_sts) { int wrl_icl = 0, wrl_pwr = 0; if (wrl_sts == SEC_BATTERY_CABLE_PREPARE_WIRELESS_HV) wrl_sts = SEC_BATTERY_CABLE_HV_WIRELESS; else if (wrl_sts == SEC_BATTERY_CABLE_PREPARE_WIRELESS_20) wrl_sts = SEC_BATTERY_CABLE_HV_WIRELESS_20; wrl_icl = battery->pdata->charging_current[wrl_sts].input_current_limit; if (battery->sleep_mode) wrl_pwr = mW_by_mVmA(SEC_INPUT_VOLTAGE_5_5V, battery->pdata->sleep_mode_limit_current); else if (is_nv_wireless_type(wrl_sts) || (wrl_sts == SEC_BATTERY_CABLE_WIRELESS_FAKE)) wrl_pwr = mW_by_mVmA(SEC_INPUT_VOLTAGE_5_5V, wrl_icl); else if (is_pwr_nego_wireless_type(wrl_sts)) wrl_pwr = mW_by_mVmA(battery->wc20_vout, wrl_icl); else wrl_pwr = mW_by_mVmA(SEC_INPUT_VOLTAGE_10V, wrl_icl); return wrl_pwr; } __visible_for_testing void sec_bat_switch_to_wr(struct sec_battery_info *battery, int wrl_sts, int prev_ct) { union power_supply_propval val = {0, }; pr_info("%s\n", __func__); if (wrl_sts == SEC_BATTERY_CABLE_PREPARE_WIRELESS_20) wrl_sts = SEC_BATTERY_CABLE_HV_WIRELESS_20; /* limit charging current before change path between chgin and wcin */ if (is_pwr_nego_wireless_type(prev_ct) && is_pwr_nego_wireless_type(wrl_sts)) { /* limit charging current before change path between chgin and wcin */ pr_info("%s: set charging current %dmA for a moment in case of TA OCP\n", __func__, battery->pdata->wpc_charging_limit_current); sec_vote(battery->fcc_vote, VOTER_CABLE, true, battery->pdata->wpc_charging_limit_current); msleep(100); } sec_bat_mfc_ldo_cntl(battery, MFC_LDO_OFF); /* Turn off TX to charge by cable charging having more power */ if (wrl_sts == SEC_BATTERY_CABLE_WIRELESS_TX) { pr_info("@Tx_Mode %s: RX device with TA, notify TX device of this info\n", __func__); val.intval = true; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_WIRELESS_SWITCH, val); } sec_bat_change_default_current(battery, SEC_BATTERY_CABLE_WIRELESS_MPP, battery->pdata->default_mpp_input_current, battery->pdata->default_mpp_charging_current); } __visible_for_testing void sec_bat_switch_to_wrl(struct sec_battery_info *battery, int wr_sts, int prev_ct) { pr_info("%s\n", __func__); if (!is_wireless_type(prev_ct)) { /* limit charging current before change path between chgin and wcin */ pr_info("%s: set charging current %dmA for a moment in case of TA OCP\n", __func__, battery->pdata->wpc_charging_limit_current); sec_vote(battery->fcc_vote, VOTER_CABLE, true, battery->pdata->wpc_charging_limit_current); msleep(100); } /* turn on ldo when ldo was off because of TA, */ /* ldo is supposed to turn on automatically except force off by sw. */ /* do not turn on ldo every wireless connection just in case ldo re-toggle by ic */ if (!is_nocharge_type(wr_sts)) { sec_bat_mfc_ldo_cntl(battery, MFC_LDO_ON); } } int sec_bat_choose_cable_type(struct sec_battery_info *battery) { int wr_sts = battery->wire_status; int cur_ct = wr_sts; int prev_ct = battery->cable_type; int wrl_sts = battery->wc_status; union power_supply_propval value = {0, }; if (wrl_sts != SEC_BATTERY_CABLE_NONE) { cur_ct = wrl_sts; if (!is_nocharge_type(wr_sts)) { int wrl_pwr, wr_pwr; wr_pwr = sec_bat_get_wire_power(battery, wr_sts); wrl_pwr = sec_bat_get_wireless_power(battery, wrl_sts); if (wrl_pwr <= wr_pwr) cur_ct = wr_sts; pr_info("%s: wrl_pwr(%d), wr_pwr(%d), wc_sts(%d), wr_sts(%d), cur_ct(%d)\n", __func__, wrl_pwr, wr_pwr, wrl_sts, wr_sts, cur_ct); if (is_wireless_type(cur_ct)) sec_bat_switch_to_wrl(battery, wr_sts, prev_ct); else { if (is_hv_wireless_type(wrl_sts)) { value.intval = WIRELESS_VOUT_FORCE_9V; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_INPUT_VOLTAGE_REGULATION, value); } if (is_wireless_fake_type(prev_ct)) { msleep(200); sec_vote(battery->fcc_vote, VOTER_WL_TO_W, true, 300); msleep(200); sec_vote(battery->fcc_vote, VOTER_WL_TO_W, true, 100); msleep(200); sec_vote(battery->chgen_vote, VOTER_WL_TO_W, true, SEC_BAT_CHG_MODE_BUCK_OFF); value.intval = WL_TO_W; psy_do_property(battery->pdata->charger_name, set, POWER_SUPPLY_EXT_PROP_CHGINSEL, value); } sec_bat_switch_to_wr(battery, wrl_sts, prev_ct); sec_vote(battery->input_vote, VOTER_WPC_CUR, false, 0); sec_vote(battery->fcc_vote, VOTER_WL_TO_W, false, 0); sec_vote(battery->chgen_vote, VOTER_WL_TO_W, false, 0); } } else { if (battery->wc_need_ldo_on) sec_bat_mfc_ldo_cntl(battery, MFC_LDO_ON); } } else if (is_nocharge_type(wr_sts) && battery->disable_mfc) { pr_info("%s : sec_bat_set_mfc_on because of CABLE_NONE\n", __func__); sec_bat_set_mfc_on(battery, WPC_EN_CHARGING); } return cur_ct; } void sec_bat_get_wireless_current(struct sec_battery_info *battery) { int incurr = INT_MAX; union power_supply_propval value = {0, }; if (battery->cable_type == SEC_BATTERY_CABLE_WIRELESS_MPP) return; /* WPC_SLEEP_MODE */ if (is_hv_wireless_type(battery->cable_type) && battery->sleep_mode) { if (incurr > battery->pdata->sleep_mode_limit_current) incurr = battery->pdata->sleep_mode_limit_current; pr_info("%s: sleep_mode = %d, chg_limit = %d, in_curr = %d\n", __func__, battery->sleep_mode, battery->chg_limit, incurr); if (!battery->auto_mode) { /* send cmd once */ battery->auto_mode = true; value.intval = WIRELESS_SLEEP_MODE_ENABLE; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_WIRELESS_RX_CONTROL, value); } } /* WPC_TEMP_MODE */ if (is_wireless_type(battery->cable_type) && battery->chg_limit) { if ((battery->siop_level >= 100 && !battery->lcd_status) && (incurr > battery->pdata->wpc_input_limit_current)) { if (battery->cable_type == SEC_BATTERY_CABLE_WIRELESS_TX && battery->pdata->wpc_input_limit_by_tx_check) incurr = battery->pdata->wpc_input_limit_current_by_tx; else incurr = battery->pdata->wpc_input_limit_current; } else if ((battery->siop_level < 100 || battery->lcd_status) && (incurr > battery->pdata->wpc_lcd_on_input_limit_current)) incurr = battery->pdata->wpc_lcd_on_input_limit_current; } /* Display flicker W/A */ if (battery->pdata->wpc_vout_ctrl_lcd_on && battery->wpc_vout_ctrl_mode && battery->lcd_status) { if (is_wireless_type(battery->cable_type) && battery->pdata->wpc_flicker_wa_input_limit_current) { psy_do_property(battery->pdata->wireless_charger_name, get, POWER_SUPPLY_EXT_PROP_WIRELESS_TX_ID, value); if ((value.intval != WC_PAD_ID_UNKNOWN) && (value.intval != WC_PAD_ID_SNGL_DREAM) && (value.intval != WC_PAD_ID_STAND_DREAM)) { pr_info("%s: trigger flicker wa\n", __func__); if (incurr > battery->pdata->wpc_flicker_wa_input_limit_current) incurr = battery->pdata->wpc_flicker_wa_input_limit_current; } } } /* Full-Additional state */ if (battery->status == POWER_SUPPLY_STATUS_FULL && battery->charging_mode == SEC_BATTERY_CHARGING_2ND) { if (incurr > battery->pdata->siop_hv_wpc_icl) incurr = battery->pdata->siop_hv_wpc_icl; } /* Hero Stand Pad CV */ if (battery->capacity >= battery->pdata->wc_hero_stand_cc_cv) { if (battery->cable_type == SEC_BATTERY_CABLE_WIRELESS_STAND) { if (incurr > battery->pdata->wc_hero_stand_cv_current) incurr = battery->pdata->wc_hero_stand_cv_current; } else if (battery->cable_type == SEC_BATTERY_CABLE_WIRELESS_HV_STAND) { if (battery->chg_limit && incurr > battery->pdata->wc_hero_stand_cv_current) { incurr = battery->pdata->wc_hero_stand_cv_current; } else if (!battery->chg_limit && incurr > battery->pdata->wc_hero_stand_hv_cv_current) { incurr = battery->pdata->wc_hero_stand_hv_cv_current; } } } /* Full-None state && SIOP_LEVEL 100 */ if ((battery->siop_level >= 100 && !battery->lcd_status) && battery->status == POWER_SUPPLY_STATUS_FULL && battery->charging_mode == SEC_BATTERY_CHARGING_NONE) { incurr = battery->pdata->wc_full_input_limit_current; } if (incurr != INT_MAX) sec_vote(battery->input_vote, VOTER_WPC_CUR, true, incurr); else sec_vote(battery->input_vote, VOTER_WPC_CUR, false, incurr); } int sec_bat_check_wc_available(struct sec_battery_info *battery) { mutex_lock(&battery->wclock); if (!battery->wc_enable) { pr_info("%s: wc_enable(%d), cnt(%d)\n", __func__, battery->wc_enable, battery->wc_enable_cnt); if (battery->wc_enable_cnt > battery->wc_enable_cnt_value) { union power_supply_propval val = {0, }; char wpc_en_status[2]; battery->wc_enable = true; battery->wc_enable_cnt = 0; wpc_en_status[0] = WPC_EN_SYSFS; wpc_en_status[1] = true; val.strval = wpc_en_status; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_WPC_EN, val); pr_info("%s: WC CONTROL: Enable\n", __func__); } battery->wc_enable_cnt++; } mutex_unlock(&battery->wclock); return 0; } /* OTG during HV wireless charging or sleep mode have 4.5W normal wireless charging UI */ bool sec_bat_hv_wc_normal_mode_check(struct sec_battery_info *battery) { union power_supply_propval value = {0, }; psy_do_property(battery->pdata->charger_name, get, POWER_SUPPLY_EXT_PROP_CHARGE_OTG_CONTROL, value); if (value.intval || battery->sleep_mode) { pr_info("%s: otg(%d), sleep_mode(%d)\n", __func__, value.intval, battery->sleep_mode); return true; } return false; } EXPORT_SYMBOL_KUNIT(sec_bat_hv_wc_normal_mode_check); void sec_bat_ext_event_work_content(struct sec_battery_info *battery) { union power_supply_propval value = {0, }; if (battery->wc_tx_enable) { /* TX ON state */ if (battery->ext_event & BATT_EXT_EVENT_CAMERA) { pr_info("@Tx_Mode %s: Camera ON, TX OFF\n", __func__); sec_bat_set_tx_event(battery, BATT_TX_EVENT_WIRELESS_TX_CAMERA_ON, BATT_TX_EVENT_WIRELESS_TX_CAMERA_ON); sec_wireless_set_tx_enable(battery, false); } else if (battery->ext_event & BATT_EXT_EVENT_DEX) { pr_info("@Tx_Mode %s: Dex ON, TX OFF\n", __func__); sec_bat_set_tx_event(battery, BATT_TX_EVENT_WIRELESS_TX_OTG_ON, BATT_TX_EVENT_WIRELESS_TX_OTG_ON); sec_wireless_set_tx_enable(battery, false); } else if (battery->ext_event & BATT_EXT_EVENT_CALL) { pr_info("@Tx_Mode %s: Call ON, TX OFF\n", __func__); battery->tx_retry_case |= SEC_BAT_TX_RETRY_CALL; /* clear tx all event */ sec_bat_set_tx_event(battery, 0, BATT_TX_EVENT_WIRELESS_ALL_MASK); sec_wireless_set_tx_enable(battery, false); } } else { /* TX OFF state, it has only call scenario */ if (battery->ext_event & BATT_EXT_EVENT_CALL) { pr_info("@Tx_Mode %s: Call ON\n", __func__); value.intval = BATT_EXT_EVENT_CALL; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_CALL_EVENT, value); #if !defined(CONFIG_WIRELESS_RX_PHM_CTRL) if (battery->cable_type == SEC_BATTERY_CABLE_WIRELESS_PACK || battery->cable_type == SEC_BATTERY_CABLE_WIRELESS_HV_PACK || battery->cable_type == SEC_BATTERY_CABLE_WIRELESS_TX) { pr_info("%s: Call is on during Wireless Pack or TX\n", __func__); battery->wc_rx_phm_mode = true; } #endif if (battery->tx_retry_case != SEC_BAT_TX_RETRY_NONE) { pr_info("@Tx_Mode %s: TX OFF because of other reason(retry:0x%x), save call retry case\n", __func__, battery->tx_retry_case); battery->tx_retry_case |= SEC_BAT_TX_RETRY_CALL; } } else if (!(battery->ext_event & BATT_EXT_EVENT_CALL)) { pr_info("@Tx_Mode %s: Call OFF\n", __func__); value.intval = BATT_EXT_EVENT_NONE; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_CALL_EVENT, value); /* check the diff between current and previous ext_event state */ if (battery->tx_retry_case & SEC_BAT_TX_RETRY_CALL) { battery->tx_retry_case &= ~SEC_BAT_TX_RETRY_CALL; if (!battery->tx_retry_case) { pr_info("@Tx_Mode %s: Call OFF, TX Retry\n", __func__); sec_bat_set_tx_event(battery, BATT_TX_EVENT_WIRELESS_TX_RETRY, BATT_TX_EVENT_WIRELESS_TX_RETRY); } } #if !defined(CONFIG_WIRELESS_RX_PHM_CTRL) /* process escape phm */ if (battery->wc_rx_phm_mode) { pr_info("%s: ESCAPE PHM STEP 1\n", __func__); sec_bat_set_mfc_on(battery, WPC_EN_CHARGING); msleep(100); pr_info("%s: ESCAPE PHM STEP 2\n", __func__); sec_bat_set_mfc_off(battery, WPC_EN_CHARGING, false); msleep(510); pr_info("%s: ESCAPE PHM STEP 3\n", __func__); sec_bat_set_mfc_on(battery, WPC_EN_CHARGING); } battery->wc_rx_phm_mode = false; #endif } } __pm_relax(battery->ext_event_ws); } void sec_bat_wireless_minduty_cntl(struct sec_battery_info *battery, unsigned int duty_val) { union power_supply_propval value = {0, }; if (duty_val != battery->tx_minduty) { value.intval = duty_val; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_WIRELESS_MIN_DUTY, value); pr_info("@Tx_Mode %s: Min duty changed (%d -> %d)\n", __func__, battery->tx_minduty, duty_val); battery->tx_minduty = duty_val; } } void sec_bat_wireless_set_ping_duty(struct sec_battery_info *battery, unsigned int ping_duty_val) { union power_supply_propval value = {0, }; if (ping_duty_val != battery->tx_ping_duty) { value.intval = ping_duty_val; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_WIRELESS_PING_DUTY, value); pr_info("@Tx_Mode %s: Ping duty changed (%d -> %d)\n", __func__, battery->tx_ping_duty, ping_duty_val); battery->tx_ping_duty = ping_duty_val; } } void sec_bat_wireless_uno_cntl(struct sec_battery_info *battery, bool en) { union power_supply_propval value = {0, }; value.intval = en; battery->uno_en = en; pr_info("@Tx_Mode %s: Uno control %d\n", __func__, en); psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_WIRELESS_TX_ENABLE, value); sb_tx_set_enable(en, 0); } void sec_bat_wireless_iout_cntl(struct sec_battery_info *battery, int uno_iout, int mfc_iout) { union power_supply_propval value = {0, }; if (battery->tx_uno_iout != uno_iout) { pr_info("@Tx_Mode %s: set uno iout(%d) -> (%d)\n", __func__, battery->tx_uno_iout, uno_iout); value.intval = battery->tx_uno_iout = uno_iout; psy_do_property("otg", set, POWER_SUPPLY_EXT_PROP_WIRELESS_TX_IOUT, value); } else { pr_info("@Tx_Mode %s: Already set Uno Iout(%d == %d)\n", __func__, battery->tx_uno_iout, uno_iout); } #if !defined(CONFIG_SEC_FACTORY) if (battery->lcd_status && (mfc_iout == battery->pdata->tx_mfc_iout_phone)) { pr_info("@Tx_Mode %s: Reduce Tx MFC Iout. LCD ON\n", __func__); mfc_iout = battery->pdata->tx_mfc_iout_lcd_on; } #endif if (battery->tx_mfc_iout != mfc_iout) { pr_info("@Tx_Mode %s: set mfc iout(%d) -> (%d)\n", __func__, battery->tx_mfc_iout, mfc_iout); value.intval = battery->tx_mfc_iout = mfc_iout; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_WIRELESS_TX_IOUT, value); } else { pr_info("@Tx_Mode %s: Already set MFC Iout(%d == %d)\n", __func__, battery->tx_mfc_iout, mfc_iout); } } void sec_bat_wireless_vout_cntl(struct sec_battery_info *battery, int vout_now) { union power_supply_propval value = {0, }; pr_info("@Tx_Mode %s: set uno & mfc vout (%dmV -> %dmV)\n", __func__, battery->wc_tx_vout, vout_now); if (battery->wc_tx_vout >= vout_now) { battery->wc_tx_vout = value.intval = vout_now; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_WIRELESS_TX_VOUT, value); psy_do_property("otg", set, POWER_SUPPLY_EXT_PROP_WIRELESS_TX_VOUT, value); } else if (vout_now > battery->wc_tx_vout) { battery->wc_tx_vout = value.intval = vout_now; psy_do_property("otg", set, POWER_SUPPLY_EXT_PROP_WIRELESS_TX_VOUT, value); psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_WIRELESS_TX_VOUT, value); } } #if defined(CONFIG_WIRELESS_TX_MODE) #if !defined(CONFIG_SEC_FACTORY) static void sec_bat_check_tx_battery_drain(struct sec_battery_info *battery) { if (battery->capacity <= battery->pdata->tx_stop_capacity && is_nocharge_type(battery->cable_type)) { pr_info("@Tx_Mode %s: battery level is drained, TX mode should turn off\n", __func__); /* set tx event */ sec_bat_set_tx_event(battery, BATT_TX_EVENT_WIRELESS_TX_SOC_DRAIN, BATT_TX_EVENT_WIRELESS_TX_SOC_DRAIN); sec_wireless_set_tx_enable(battery, false); } } static void sec_bat_check_tx_current(struct sec_battery_info *battery) { if (battery->lcd_status && (battery->tx_mfc_iout > battery->pdata->tx_mfc_iout_lcd_on)) { sec_bat_wireless_iout_cntl(battery, battery->pdata->tx_uno_iout, battery->pdata->tx_mfc_iout_lcd_on); pr_info("@Tx_Mode %s: Reduce Tx MFC Iout. LCD ON\n", __func__); } else if (!battery->lcd_status && (battery->tx_mfc_iout == battery->pdata->tx_mfc_iout_lcd_on)) { union power_supply_propval value = {0, }; sec_bat_wireless_iout_cntl(battery, battery->pdata->tx_uno_iout, battery->pdata->tx_mfc_iout_phone); pr_info("@Tx_Mode %s: Recovery Tx MFC Iout. LCD OFF\n", __func__); value.intval = true; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_WIRELESS_SEND_FSK, value); } } #endif static void sec_bat_check_tx_switch_mode(struct sec_battery_info *battery) { union power_supply_propval value = {0, }; /* temporary mode */ if (battery->tx_switch_mode == TX_SWITCH_GEAR_PPS) { pr_info("@Tx_mode %s: skip routine in gear pps mode.\n", __func__); return; } if (battery->current_event & SEC_BAT_CURRENT_EVENT_AFC) { pr_info("@Tx_mode %s: Do not switch switch mode! AFC Event set\n", __func__); return; } value.intval = SEC_FUELGAUGE_CAPACITY_TYPE_CAPACITY_POINT; psy_do_property(battery->pdata->fuelgauge_name, get, POWER_SUPPLY_PROP_CAPACITY, value); if ((battery->tx_switch_mode == TX_SWITCH_UNO_ONLY) && (!battery->buck_cntl_by_tx)) { battery->buck_cntl_by_tx = true; sec_vote(battery->chgen_vote, VOTER_WC_TX, true, SEC_BAT_CHG_MODE_BUCK_OFF); sec_bat_wireless_iout_cntl(battery, battery->pdata->tx_uno_iout, battery->pdata->tx_mfc_iout_phone); sec_bat_wireless_vout_cntl(battery, battery->pdata->tx_uno_vout); sec_bat_wireless_minduty_cntl(battery, battery->pdata->tx_minduty_default); } else if ((battery->tx_switch_mode == TX_SWITCH_CHG_ONLY) && (battery->buck_cntl_by_tx)) { sec_bat_wireless_iout_cntl(battery, battery->pdata->tx_uno_iout, battery->pdata->tx_mfc_iout_phone_5v); sec_bat_wireless_vout_cntl(battery, battery->pdata->tx_ping_vout); sec_bat_wireless_minduty_cntl(battery, battery->pdata->tx_minduty_5V); battery->buck_cntl_by_tx = false; sec_vote(battery->chgen_vote, VOTER_WC_TX, false, 0); } if (battery->status == POWER_SUPPLY_STATUS_FULL) { if (battery->charging_mode == SEC_BATTERY_CHARGING_NONE) { if (battery->tx_switch_mode == TX_SWITCH_CHG_ONLY) battery->tx_switch_mode_change = true; } else { if (battery->tx_switch_mode == TX_SWITCH_UNO_ONLY) { if (battery->tx_switch_start_soc >= 100) { if (battery->capacity < 99 || (battery->capacity == 99 && value.intval <= 1)) battery->tx_switch_mode_change = true; } else { if ((battery->capacity == battery->tx_switch_start_soc && value.intval <= 1) || (battery->capacity < battery->tx_switch_start_soc)) battery->tx_switch_mode_change = true; } } else if (battery->tx_switch_mode == TX_SWITCH_CHG_ONLY) { if (battery->capacity >= 100) battery->tx_switch_mode_change = true; } } } else { if (battery->tx_switch_mode == TX_SWITCH_UNO_ONLY) { if (((battery->capacity == battery->tx_switch_start_soc) && (value.intval <= 1)) || (battery->capacity < battery->tx_switch_start_soc)) battery->tx_switch_mode_change = true; } else if (battery->tx_switch_mode == TX_SWITCH_CHG_ONLY) { if (((battery->capacity == (battery->tx_switch_start_soc + 1)) && (value.intval >= 8)) || (battery->capacity > (battery->tx_switch_start_soc + 1))) battery->tx_switch_mode_change = true; } } pr_info("@Tx_mode Tx mode(%d) tx_switch_mode_change(%d) start soc(%d) now soc(%d.%d)\n", battery->tx_switch_mode, battery->tx_switch_mode_change, battery->tx_switch_start_soc, battery->capacity, value.intval); } #endif void sec_bat_txpower_calc(struct sec_battery_info *battery) { if (delayed_work_pending(&battery->wpc_txpower_calc_work)) { pr_info("%s: keep average tx power(%5d mA)\n", __func__, battery->tx_avg_curr); } else if (battery->wc_tx_enable) { int tx_vout = 0, tx_iout = 0, vbatt = 0; union power_supply_propval value = {0, }; psy_do_property(battery->pdata->wireless_charger_name, get, POWER_SUPPLY_EXT_PROP_WIRELESS_TX_UNO_VIN, value); tx_vout = value.intval; psy_do_property(battery->pdata->wireless_charger_name, get, POWER_SUPPLY_EXT_PROP_WIRELESS_TX_UNO_IIN, value); tx_iout = value.intval; value.intval = SEC_BATTERY_VOLTAGE_MV; psy_do_property(battery->pdata->fuelgauge_name, get, POWER_SUPPLY_PROP_VOLTAGE_NOW, value); vbatt = value.intval; battery->tx_time_cnt++; /* AVG curr will be calculated only when the battery is discharged */ if (battery->current_avg <= 0 && vbatt > 0 && tx_vout > 0 && tx_iout > 0) tx_iout = (tx_vout / vbatt) * tx_iout; else tx_iout = 0; /* monitor work will be scheduled every 10s when wc_tx_enable is true */ battery->tx_avg_curr = ((battery->tx_avg_curr * battery->tx_time_cnt) + tx_iout) / (battery->tx_time_cnt + 1); battery->tx_total_power = (battery->tx_avg_curr * battery->tx_time_cnt) / (60 * 60 / 10); if (battery->tx_total_power > ((battery->pdata->battery_full_capacity * 7) / 10)) { pr_info("%s: tx_total_power(%dmAh) is wrong\n", __func__, battery->tx_total_power); battery->tx_total_power = (battery->pdata->battery_full_capacity * 7) / 10; } pr_info("%s: tx_time_cnt(%ds), UNO_Vin(%dV), UNO_Iin(%dmA), tx_avg_curr(%dmA), tx_total_power(%dmAh)\n", __func__, battery->tx_time_cnt * 10, tx_vout, tx_iout, battery->tx_avg_curr, battery->tx_total_power); } } void sec_bat_tx_off_by_misalign_ocp(struct sec_battery_info *battery) { battery->tx_retry_case &= ~(SEC_BAT_TX_RETRY_MISALIGN | SEC_BAT_TX_RETRY_OCP); battery->tx_misalign_start_time = 0; battery->tx_misalign_cnt = 0; battery->tx_ocp_start_time = 0; battery->tx_ocp_cnt = 0; } void sec_bat_handle_tx_misalign(struct sec_battery_info *battery, bool trigger_misalign) { struct timespec64 ts = {0, }; if (trigger_misalign && battery->wc_tx_enable) { if (battery->tx_misalign_start_time == 0) { ts = ktime_to_timespec64(ktime_get_boottime()); battery->tx_misalign_start_time = ts.tv_sec; } pr_info("@Tx_Mode %s: misalign is triggered!!(%d)\n", __func__, ++battery->tx_misalign_cnt); /* Attention!! in this case, 0x00(TX_OFF) is sent first */ /* and then 0x8000(RETRY) is sent */ if (battery->tx_misalign_cnt < MISALIGN_TX_TRY_CNT) { battery->tx_retry_case |= SEC_BAT_TX_RETRY_MISALIGN; sec_wireless_set_tx_enable(battery, false); msleep(1000); /* clear tx all event */ sec_bat_set_tx_event(battery, 0, BATT_TX_EVENT_WIRELESS_ALL_MASK); sec_bat_set_tx_event(battery, BATT_TX_EVENT_WIRELESS_TX_RETRY, BATT_TX_EVENT_WIRELESS_TX_RETRY); msleep(1000); } else { pr_info("@Tx_Mode %s: Misalign over %d times, TX OFF (cancel misalign)\n", __func__, MISALIGN_TX_TRY_CNT); sec_bat_tx_off_by_misalign_ocp(battery); sec_bat_set_tx_event(battery, BATT_TX_EVENT_WIRELESS_TX_MISALIGN, BATT_TX_EVENT_WIRELESS_TX_MISALIGN); sec_wireless_set_tx_enable(battery, false); } } else if (battery->tx_retry_case & SEC_BAT_TX_RETRY_MISALIGN) { ts = ktime_to_timespec64(ktime_get_boottime()); if (ts.tv_sec >= battery->tx_misalign_start_time) { battery->tx_misalign_passed_time = ts.tv_sec - battery->tx_misalign_start_time; } else { battery->tx_misalign_passed_time = 0xFFFFFFFF - battery->tx_misalign_start_time + ts.tv_sec; } pr_info("@Tx_Mode %s: already misaligned, passed time(%ld)\n", __func__, battery->tx_misalign_passed_time); if (battery->tx_misalign_passed_time >= 60) { pr_info("@Tx_Mode %s: after 1min\n", __func__); if (battery->wc_tx_enable) { if (battery->wc_rx_connected) { pr_info("@Tx_Mode %s: RX Dev, Keep TX ON status (cancel misalign)\n", __func__); } else { pr_info("@Tx_Mode %s: NO RX Dev, TX OFF (cancel misalign)\n", __func__); sec_bat_tx_off_by_misalign_ocp(battery); sec_bat_set_tx_event(battery, BATT_TX_EVENT_WIRELESS_TX_MISALIGN, BATT_TX_EVENT_WIRELESS_TX_MISALIGN); sec_wireless_set_tx_enable(battery, false); } } else { pr_info("@Tx_Mode %s: Keep TX OFF status (cancel misalign)\n", __func__); } battery->tx_retry_case &= ~SEC_BAT_TX_RETRY_MISALIGN; battery->tx_misalign_start_time = 0; battery->tx_misalign_cnt = 0; } } } EXPORT_SYMBOL_KUNIT(sec_bat_handle_tx_misalign); void sec_bat_handle_tx_ocp(struct sec_battery_info *battery, bool trigger_ocp) { struct timespec64 ts = {0, }; if (trigger_ocp && battery->wc_tx_enable) { if (battery->tx_ocp_start_time == 0) { ts = ktime_to_timespec64(ktime_get_boottime()); battery->tx_ocp_start_time = ts.tv_sec; } pr_info("@Tx_Mode %s: ocp is triggered!!(%d)\n", __func__, ++battery->tx_ocp_cnt); /* Attention!! in this case, 0x00(TX_OFF) is sent first */ /* and then 0x8000(RETRY) is sent */ if (battery->tx_ocp_cnt < 3) { battery->tx_retry_case |= SEC_BAT_TX_RETRY_OCP; sec_wireless_set_tx_enable(battery, false); msleep(1000); /* clear tx all event */ sec_bat_set_tx_event(battery, 0, BATT_TX_EVENT_WIRELESS_ALL_MASK); sec_bat_set_tx_event(battery, BATT_TX_EVENT_WIRELESS_TX_RETRY, BATT_TX_EVENT_WIRELESS_TX_RETRY); msleep(1000); } else { pr_info("@Tx_Mode %s: ocp over 3 times, TX OFF (cancel ocp)\n", __func__); sec_bat_tx_off_by_misalign_ocp(battery); sec_bat_set_tx_event(battery, BATT_TX_EVENT_WIRELESS_TX_OCP, BATT_TX_EVENT_WIRELESS_TX_OCP); sec_wireless_set_tx_enable(battery, false); } } else if (battery->tx_retry_case & SEC_BAT_TX_RETRY_OCP) { ts = ktime_to_timespec64(ktime_get_boottime()); if (ts.tv_sec >= battery->tx_ocp_start_time) { battery->tx_ocp_passed_time = ts.tv_sec - battery->tx_ocp_start_time; } else { battery->tx_ocp_passed_time = 0xFFFFFFFF - battery->tx_ocp_start_time + ts.tv_sec; } pr_info("@Tx_Mode %s: already ocp, passed time(%ld)\n", __func__, battery->tx_ocp_passed_time); if (battery->tx_ocp_passed_time >= 60) { pr_info("@Tx_Mode %s: after 1min\n", __func__); if (battery->wc_tx_enable) { if (battery->wc_rx_connected) { pr_info("@Tx_Mode %s: RX Dev, Keep TX ON status (cancel ocp)\n", __func__); } else { pr_info("@Tx_Mode %s: NO RX Dev, TX OFF (cancel ocp)\n", __func__); sec_bat_tx_off_by_misalign_ocp(battery); sec_bat_set_tx_event(battery, BATT_TX_EVENT_WIRELESS_TX_OCP, BATT_TX_EVENT_WIRELESS_TX_OCP); sec_wireless_set_tx_enable(battery, false); } } else { pr_info("@Tx_Mode %s: Keep TX OFF status (cancel ocp)\n", __func__); } battery->tx_retry_case &= ~SEC_BAT_TX_RETRY_OCP; battery->tx_ocp_start_time = 0; battery->tx_ocp_cnt = 0; } } } void sec_bat_check_wc_re_auth(struct sec_battery_info *battery) { union power_supply_propval value = {0, }; int tx_id = 0, auth_stat = 0; psy_do_property(battery->pdata->wireless_charger_name, get, POWER_SUPPLY_EXT_PROP_WIRELESS_TX_ID, value); tx_id = value.intval; psy_do_property(battery->pdata->wireless_charger_name, get, POWER_SUPPLY_EXT_PROP_WIRELESS_AUTH_ADT_STATUS, value); auth_stat = value.intval; pr_info("%s %s: tx_id(0x%x), cable(%d), soc(%d), auth_stat(%d)\n", WC_AUTH_MSG, __func__, tx_id, battery->cable_type, battery->capacity, auth_stat); if ((auth_stat == WIRELESS_AUTH_FAIL) && (battery->capacity >= 5)) { pr_info("%s %s: EPT Unknown for re-auth\n", WC_AUTH_MSG, __func__); value.intval = 1; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_WC_EPT_UNKNOWN, value); battery->wc_auth_retried = true; } else if (auth_stat == WIRELESS_AUTH_PASS) { pr_info("%s %s: auth success\n", WC_AUTH_MSG, __func__); battery->wc_auth_retried = true; } else if (((tx_id != 0) && (tx_id < WC_PAD_ID_AUTH_PAD)) || (tx_id > WC_PAD_ID_AUTH_PAD_END) || ((tx_id == 0) && is_hv_wireless_type(battery->cable_type) && (battery->cable_type != SEC_BATTERY_CABLE_WIRELESS_MPP) && (battery->cable_type != SEC_BATTERY_CABLE_WIRELESS_EPP))) { pr_info("%s %s: re-auth is unnecessary\n", WC_AUTH_MSG, __func__); battery->wc_auth_retried = true; } } #if defined(CONFIG_WIRELESS_TX_MODE) void sec_bat_check_tx_mode(struct sec_battery_info *battery) { if (battery->wc_tx_enable) { pr_info("@Tx_Mode %s: tx_retry(0x%x), tx_switch(0x%x)", __func__, battery->tx_retry_case, battery->tx_switch_mode); #if !defined(CONFIG_SEC_FACTORY) sec_bat_check_tx_battery_drain(battery); sec_bat_check_tx_temperature(battery); if ((battery->wc_rx_type == SS_PHONE) || (battery->wc_rx_type == OTHER_DEV) || (battery->wc_rx_type == SS_BUDS)) sec_bat_check_tx_current(battery); #endif sec_bat_txpower_calc(battery); sec_bat_handle_tx_misalign(battery, false); sec_bat_handle_tx_ocp(battery, false); battery->tx_retry_case &= ~SEC_BAT_TX_RETRY_AC_MISSING; if (battery->tx_switch_mode != TX_SWITCH_MODE_OFF && battery->tx_switch_start_soc != 0) sec_bat_check_tx_switch_mode(battery); } else if (battery->tx_retry_case != SEC_BAT_TX_RETRY_NONE) { pr_info("@Tx_Mode %s: tx_retry(0x%x)", __func__, battery->tx_retry_case); #if !defined(CONFIG_SEC_FACTORY) sec_bat_check_tx_temperature(battery); #endif sec_bat_handle_tx_misalign(battery, false); sec_bat_handle_tx_ocp(battery, false); battery->tx_retry_case &= ~SEC_BAT_TX_RETRY_AC_MISSING; } } #endif void sec_bat_wc_cv_mode_check(struct sec_battery_info *battery) { union power_supply_propval value = {0, }; int is_otg_on = 0; psy_do_property(battery->pdata->charger_name, get, POWER_SUPPLY_EXT_PROP_CHARGE_OTG_CONTROL, value); is_otg_on = value.intval; pr_info("%s: battery->wc_cv_mode = %d, otg(%d), cable_type(%d)\n", __func__, battery->wc_cv_mode, is_otg_on, battery->cable_type); if (battery->capacity >= battery->pdata->wireless_cc_cv && !is_otg_on) { battery->wc_cv_mode = true; if (is_nv_wireless_type(battery->cable_type)) { if ((battery->cable_type == SEC_BATTERY_CABLE_WIRELESS || battery->cable_type == SEC_BATTERY_CABLE_WIRELESS_STAND || battery->cable_type == SEC_BATTERY_CABLE_WIRELESS_TX)) { value.intval = WIRELESS_CLAMP_ENABLE; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_WIRELESS_RX_CONTROL, value); } } /* Change FOD values for CV mode */ value.intval = POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_PROP_STATUS, value); /* Change Vrect headroom for CV mode */ if (battery->pdata->p2p_cv_headroom && battery->cable_type == SEC_BATTERY_CABLE_WIRELESS_TX) { value.intval = WIRELESS_VRECT_ADJ_ROOM_2; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_WIRELESS_RX_CONTROL, value); } } } EXPORT_SYMBOL_KUNIT(sec_bat_wc_cv_mode_check); static int is_5v_charger(struct sec_battery_info *battery, int wr_sts) { if ((is_pd_wire_type(wr_sts) && battery->pd_list.max_pd_count > 1) || is_hv_wire_12v_type(wr_sts) || is_hv_wire_type(wr_sts) || (wr_sts == SEC_BATTERY_CABLE_HV_TA_CHG_LIMIT) || (wr_sts == SEC_BATTERY_CABLE_PREPARE_TA) || (battery->current_event & SEC_BAT_CURRENT_EVENT_AFC)) return false; else if (is_wired_type(wr_sts)) return true; return false; } void sec_bat_run_wpc_tx_work(struct sec_battery_info *battery, int work_delay) { if (delayed_work_pending(&battery->wpc_tx_work)) { pr_info("%s: did not push the tx_work because of already in queue.\n", __func__); return; } cancel_delayed_work(&battery->wpc_tx_work); __pm_stay_awake(battery->wpc_tx_ws); queue_delayed_work(battery->monitor_wqueue, &battery->wpc_tx_work, msecs_to_jiffies(work_delay)); } static void sec_bat_wpc_tx_iv(struct sec_vote *target_vote, int target_voltage, bool need_refresh) { int voter_val = get_sec_vote_result(target_vote); pr_info("@Tx_mode %s : present iv = %d. target iv = %d\n", __func__, voter_val, target_voltage); sec_vote(target_vote, VOTER_WC_TX, true, target_voltage); if (need_refresh && (voter_val == target_voltage)) sec_vote_refresh(target_vote); } static void sec_bat_tx_work_nodev(struct sec_battery_info *battery) { if (battery->pdata->fcc_by_tx) sec_vote(battery->fcc_vote, VOTER_WC_TX, true, battery->pdata->fcc_by_tx); if (is_hv_wire_type(battery->wire_status) || (is_pd_wire_type(battery->wire_status) && battery->hv_pdo)) { sec_bat_wpc_tx_iv(battery->iv_vote, SEC_INPUT_VOLTAGE_5V, true); return; } battery->buck_cntl_by_tx = true; sec_vote(battery->chgen_vote, VOTER_WC_TX, true, SEC_BAT_CHG_MODE_BUCK_OFF); if (!battery->uno_en) sec_bat_wireless_uno_cntl(battery, true); sec_bat_wireless_vout_cntl(battery, battery->pdata->tx_ping_vout); sec_bat_wireless_iout_cntl(battery, battery->pdata->tx_uno_iout_aov_gear, battery->pdata->tx_mfc_iout_aov_gear); sec_bat_wireless_minduty_cntl(battery, battery->pdata->tx_minduty_default); } static void sec_bat_tx_work_with_nv_charger(struct sec_battery_info *battery) { union power_supply_propval value = {0, }; if (battery->pdata->tx_5v_disable) return; if (battery->current_event & SEC_BAT_CURRENT_EVENT_AFC) { if (!battery->buck_cntl_by_tx) { battery->buck_cntl_by_tx = true; sec_vote(battery->chgen_vote, VOTER_WC_TX, true, SEC_BAT_CHG_MODE_BUCK_OFF); } battery->tx_switch_mode = TX_SWITCH_MODE_OFF; battery->tx_switch_start_soc = 0; battery->tx_switch_mode_change = false; sec_bat_wireless_iout_cntl(battery, battery->pdata->tx_uno_iout, battery->pdata->tx_mfc_iout_phone); sec_bat_wireless_vout_cntl(battery, battery->pdata->tx_uno_vout); sec_bat_wireless_minduty_cntl(battery, battery->pdata->tx_minduty_default); } else if (battery->tx_switch_mode == TX_SWITCH_MODE_OFF) { battery->tx_switch_mode = TX_SWITCH_UNO_ONLY; battery->tx_switch_start_soc = battery->capacity; if (!battery->buck_cntl_by_tx) { battery->buck_cntl_by_tx = true; sec_vote(battery->chgen_vote, VOTER_WC_TX, true, SEC_BAT_CHG_MODE_BUCK_OFF); } sec_bat_wireless_iout_cntl(battery, battery->pdata->tx_uno_iout, battery->pdata->tx_mfc_iout_phone); sec_bat_wireless_vout_cntl(battery, battery->pdata->tx_uno_vout); sec_bat_wireless_minduty_cntl(battery, battery->pdata->tx_minduty_default); } else if (battery->tx_switch_mode_change == true) { battery->tx_switch_start_soc = battery->capacity; pr_info("@Tx_mode: Switch Mode Change(%d -> %d)\n", battery->tx_switch_mode, battery->tx_switch_mode == TX_SWITCH_UNO_ONLY ? TX_SWITCH_CHG_ONLY : TX_SWITCH_UNO_ONLY); if (battery->tx_switch_mode == TX_SWITCH_UNO_ONLY) { battery->tx_switch_mode = TX_SWITCH_CHG_ONLY; sec_bat_wireless_iout_cntl(battery, battery->pdata->tx_uno_iout, battery->pdata->tx_mfc_iout_phone_5v); sec_bat_wireless_vout_cntl(battery, battery->pdata->tx_ping_vout); sec_bat_wireless_minduty_cntl(battery, battery->pdata->tx_minduty_5V); if (battery->buck_cntl_by_tx) { battery->buck_cntl_by_tx = false; sec_vote(battery->chgen_vote, VOTER_WC_TX, false, 0); } } else if (battery->tx_switch_mode == TX_SWITCH_CHG_ONLY) { battery->tx_switch_mode = TX_SWITCH_UNO_ONLY; if (!battery->buck_cntl_by_tx) { battery->buck_cntl_by_tx = true; sec_vote(battery->chgen_vote, VOTER_WC_TX, true, SEC_BAT_CHG_MODE_BUCK_OFF); } sec_bat_wireless_iout_cntl(battery, battery->pdata->tx_uno_iout, battery->pdata->tx_mfc_iout_phone); sec_bat_wireless_vout_cntl(battery, battery->pdata->tx_uno_vout); sec_bat_wireless_minduty_cntl(battery, battery->pdata->tx_minduty_default); value.intval = true; psy_do_property(battery->pdata->wireless_charger_name, set, POWER_SUPPLY_EXT_PROP_WIRELESS_SEND_FSK, value); } battery->tx_switch_mode_change = false; } } void sec_bat_wireless_proc_ping_duty(struct sec_battery_info *battery, int wr_sts) { if (wr_sts != SEC_BATTERY_CABLE_NONE) sec_bat_wireless_set_ping_duty(battery, battery->pdata->tx_ping_duty_default); else sec_bat_wireless_set_ping_duty(battery, battery->pdata->tx_ping_duty_no_ta); } void sec_bat_wpc_tx_work_content(struct sec_battery_info *battery) { int wr_sts = battery->wire_status; unsigned int tx_uno_vout = battery->pdata->tx_uno_vout; if (battery->wc_rx_type == SS_GEAR) tx_uno_vout = battery->pdata->tx_gear_vout; else if (battery->wc_rx_type == SS_BUDS) tx_uno_vout = battery->pdata->tx_buds_vout; dev_info(battery->dev, "@Tx_Mode %s: Start: %d\n", __func__, battery->wc_rx_type); if (!battery->wc_tx_enable) { pr_info("@Tx_Mode %s : exit wpc_tx_work. Because Tx is already off\n", __func__); goto end_of_tx_work; } if (battery->pdata->tx_5v_disable && is_5v_charger(battery, wr_sts)) { pr_info("@Tx_Mode %s : 5V charger(%d) connected, disable TX\n", __func__, battery->cable_type); sec_bat_set_tx_event(battery, BATT_TX_EVENT_WIRELESS_TX_5V_TA, BATT_TX_EVENT_WIRELESS_TX_5V_TA); sec_wireless_set_tx_enable(battery, false); goto end_of_tx_work; } if (battery->uno_en) { sec_bat_wireless_proc_ping_duty(battery, wr_sts); } switch (battery->wc_rx_type) { case NO_DEV: sec_bat_tx_work_nodev(battery); sec_bat_wireless_proc_ping_duty(battery, wr_sts); sb_tx_init_aov(); break; case SS_GEAR: { if (battery->pdata->icl_by_tx_gear) sec_vote(battery->input_vote, VOTER_WC_TX, true, battery->pdata->icl_by_tx_gear); if (battery->pdata->fcc_by_tx_gear) sec_vote(battery->fcc_vote, VOTER_WC_TX, true, battery->pdata->fcc_by_tx_gear); if (sb_tx_is_aov_enabled(battery->wire_status)) { sb_tx_monitor_aov(battery->wc_tx_vout, battery->wc_tx_phm_mode); battery->buck_cntl_by_tx = false; battery->tx_switch_mode = TX_SWITCH_GEAR_PPS; battery->tx_switch_mode_change = true; sec_bat_wireless_iout_cntl(battery, battery->pdata->tx_uno_iout_aov_gear, battery->pdata->tx_mfc_iout_aov_gear); if (delayed_work_pending(&battery->wpc_tx_work)) return; break; } else { if (battery->pdata->phm_vout_ctrl_dev & SEC_WIRELESS_PHM_VOUT_CTRL_GEAR) { if (battery->wc_tx_phm_mode) { if (is_hv_wire_type(battery->wire_status) || (is_pd_wire_type(battery->wire_status) && battery->hv_pdo)) { pr_info("@Tx_Mode %s : change iv(9V -> 5V).\n", __func__); sec_bat_wireless_vout_cntl(battery, WC_TX_VOUT_5000MV); sec_bat_wpc_tx_iv(battery->iv_vote, SEC_INPUT_VOLTAGE_5V, true); break; } } else { if ((battery->wire_status == SEC_BATTERY_CABLE_HV_TA_CHG_LIMIT) || (is_pd_wire_type(battery->wire_status) && !battery->hv_pdo)) { pr_info("@Tx_Mode %s : charging voltage change(5V -> 9V)\n", __func__); /* prevent ocp */ if (!battery->buck_cntl_by_tx) { sec_bat_wireless_vout_cntl(battery, WC_TX_VOUT_5000MV); sec_bat_wireless_iout_cntl(battery, battery->pdata->tx_uno_iout_gear, 1000); battery->buck_cntl_by_tx = true; sec_vote(battery->chgen_vote, VOTER_WC_TX, true, SEC_BAT_CHG_MODE_BUCK_OFF); sec_bat_run_wpc_tx_work(battery, 500); return; } else if (battery->wc_tx_vout < WC_TX_VOUT_8500MV) { sec_bat_wireless_vout_cntl(battery, battery->wc_tx_vout + WC_TX_VOUT_STEP_AOV); sec_bat_run_wpc_tx_work(battery, 500); return; } sec_bat_wpc_tx_iv(battery->iv_vote, SEC_INPUT_VOLTAGE_9V, true); break; } } } else { if (is_hv_wire_type(battery->wire_status) || (is_pd_wire_type(battery->wire_status) && battery->hv_pdo)) { pr_info("@Tx_Mode %s : change iv(9V -> 5V).\n", __func__); sec_bat_wireless_vout_cntl(battery, WC_TX_VOUT_5000MV); sec_bat_wpc_tx_iv(battery->iv_vote, SEC_INPUT_VOLTAGE_5V, true); break; } } } if (is_wired_type(battery->wire_status) && battery->buck_cntl_by_tx) { battery->buck_cntl_by_tx = false; sec_vote(battery->chgen_vote, VOTER_WC_TX, false, 0); } else if ((battery->wire_status == SEC_BATTERY_CABLE_NONE) && (!battery->buck_cntl_by_tx)) { battery->buck_cntl_by_tx = true; sec_vote(battery->chgen_vote, VOTER_WC_TX, true, SEC_BAT_CHG_MODE_BUCK_OFF); } sec_bat_wireless_vout_cntl(battery, tx_uno_vout); sec_bat_wireless_iout_cntl(battery, battery->pdata->tx_uno_iout_gear, battery->pdata->tx_mfc_iout_gear); } break; default: /* SS_BUDS, SS_PHONE, OTHER_DEV */ if (battery->pdata->phm_vout_ctrl_dev & SEC_WIRELESS_PHM_VOUT_CTRL_BUDS) { if (battery->wc_tx_phm_mode) { pr_info("@Tx_Mode %s : phm on status.\n", __func__); sec_bat_wireless_vout_cntl(battery, WC_TX_VOUT_5000MV); if (is_hv_wire_type(battery->wire_status) || (is_pd_wire_type(battery->wire_status) && battery->hv_pdo)) { pr_info("@Tx_Mode %s : change iv(9V -> 5V).\n", __func__); sec_bat_wpc_tx_iv(battery->iv_vote, SEC_INPUT_VOLTAGE_5V, true); } else { pr_info("@Tx_Mode %s : change iv(%dV -> 5V).\n", __func__, battery->pdata->tx_uno_vout); } battery->prev_tx_phm_mode = battery->wc_tx_phm_mode; break; } else { if (battery->prev_tx_phm_mode) { pr_info("@Tx_Mode %s : keep phm off status concept before tx off\n", __func__); break; } } } if ((battery->wire_status == SEC_BATTERY_CABLE_HV_TA_CHG_LIMIT) || (is_pd_wire_type(battery->wire_status) && !battery->hv_pdo)) { if (battery->wc_tx_vout < tx_uno_vout) { sec_bat_wireless_vout_cntl(battery, tx_uno_vout); if (!battery->buck_cntl_by_tx) { battery->buck_cntl_by_tx = true; sec_vote(battery->chgen_vote, VOTER_WC_TX, true, SEC_BAT_CHG_MODE_BUCK_OFF); } sec_bat_run_wpc_tx_work(battery, 500); return; } pr_info("@Tx_Mode %s : change iv(5V -> 9V)\n", __func__); sec_bat_wpc_tx_iv(battery->iv_vote, SEC_INPUT_VOLTAGE_9V, true); break; } if (battery->wire_status == SEC_BATTERY_CABLE_NONE) { battery->tx_switch_mode = TX_SWITCH_MODE_OFF; battery->tx_switch_start_soc = 0; battery->tx_switch_mode_change = false; if (!battery->buck_cntl_by_tx) { battery->buck_cntl_by_tx = true; sec_vote(battery->chgen_vote, VOTER_WC_TX, true, SEC_BAT_CHG_MODE_BUCK_OFF); } sec_bat_wireless_vout_cntl(battery, tx_uno_vout); sec_bat_wireless_iout_cntl(battery, battery->pdata->tx_uno_iout, battery->pdata->tx_mfc_iout_phone); sec_bat_wireless_minduty_cntl(battery, battery->pdata->tx_minduty_default); } else if (is_hv_wire_type(battery->wire_status) || (is_pd_wire_type(battery->wire_status) && battery->hv_pdo)) { battery->tx_switch_mode = TX_SWITCH_MODE_OFF; battery->tx_switch_start_soc = 0; battery->tx_switch_mode_change = false; if (battery->buck_cntl_by_tx) { battery->buck_cntl_by_tx = false; sec_vote(battery->chgen_vote, VOTER_WC_TX, false, 0); } sec_bat_wireless_iout_cntl(battery, battery->pdata->tx_uno_iout, battery->pdata->tx_mfc_iout_phone); sec_bat_wireless_minduty_cntl(battery, battery->pdata->tx_minduty_default); } else if (is_pd_wire_type(battery->wire_status) && battery->hv_pdo) { pr_info("@Tx_Mode %s: PD cable attached. HV PDO(%d)\n", __func__, battery->hv_pdo); battery->tx_switch_mode = TX_SWITCH_MODE_OFF; battery->tx_switch_start_soc = 0; battery->tx_switch_mode_change = false; if (battery->buck_cntl_by_tx) { battery->buck_cntl_by_tx = false; sec_vote(battery->chgen_vote, VOTER_WC_TX, false, 0); } sec_bat_wireless_iout_cntl(battery, battery->pdata->tx_uno_iout, battery->pdata->tx_mfc_iout_phone); sec_bat_wireless_minduty_cntl(battery, battery->pdata->tx_minduty_default); } else if (is_wired_type(battery->wire_status) && !is_hv_wire_type(battery->wire_status) && (battery->wire_status != SEC_BATTERY_CABLE_HV_TA_CHG_LIMIT)) { sec_bat_tx_work_with_nv_charger(battery); } break; } end_of_tx_work: dev_info(battery->dev, "@Tx_Mode %s End\n", __func__); __pm_relax(battery->wpc_tx_ws); } #define EN_RETRY_DELAY 100 #define EN_RETRY_CNT 20 void sec_bat_wpc_tx_en_work_content(struct sec_battery_info *battery) { int wr_sts = battery->wire_status; int selected_pdo; static unsigned int cnt; pr_info("@Tx_Mode %s: tx %s\n", __func__, battery->wc_tx_enable ? "on" : "off"); battery->tx_minduty = battery->pdata->tx_minduty_default; battery->tx_switch_mode = TX_SWITCH_MODE_OFF; battery->tx_switch_start_soc = 0; battery->tx_switch_mode_change = false; battery->tx_ping_duty = 0; if (battery->wc_tx_enable) { /* set tx event */ sec_bat_set_tx_event(battery, BATT_TX_EVENT_WIRELESS_TX_STATUS, (BATT_TX_EVENT_WIRELESS_TX_STATUS | BATT_TX_EVENT_WIRELESS_TX_RETRY)); if (is_pd_wire_type(wr_sts)) { sec_pd_get_selected_pdo(&selected_pdo); if (selected_pdo == battery->sink_status.current_pdo_num) { if (battery->sink_status.power_list[battery->sink_status.current_pdo_num].max_voltage == SEC_INPUT_VOLTAGE_5V) { pr_info("@Tx_Mode %s: 5V PDO. Tx Start\n", __func__); sec_bat_wpc_tx_iv(battery->iv_vote, SEC_INPUT_VOLTAGE_5V, false); sec_bat_run_wpc_tx_work(battery, 0); } else { pr_info("@Tx_Mode %s: Wait to decrease 5V (%d / %d)\n", __func__, ++cnt, EN_RETRY_CNT); sec_bat_wpc_tx_iv(battery->iv_vote, SEC_INPUT_VOLTAGE_5V, false); __pm_stay_awake(battery->wpc_tx_en_ws); queue_delayed_work(battery->monitor_wqueue, &battery->wpc_tx_en_work, msecs_to_jiffies(EN_RETRY_DELAY)); return; } } else { if (cnt >= EN_RETRY_CNT) { pr_info("@Tx_Mode %s: No response for 5V. Error case\n", __func__); cnt = 0; } else { pr_info("@Tx_Mode %s: Wait to decrease 5V (%d / %d)\n", __func__, ++cnt, EN_RETRY_CNT); __pm_stay_awake(battery->wpc_tx_en_ws); queue_delayed_work(battery->monitor_wqueue, &battery->wpc_tx_en_work, msecs_to_jiffies(EN_RETRY_DELAY)); return; } } } else if (is_hv_wire_type(wr_sts)) { if (cnt >= EN_RETRY_CNT) { pr_info("@Tx_Mode %s: No response for 5V. Error case\n", __func__); cnt = 0; } else { pr_info("@Tx_Mode %s: Wait to decrease 5V (%d / %d)\n", __func__, ++cnt, EN_RETRY_CNT); sec_bat_wpc_tx_iv(battery->iv_vote, SEC_INPUT_VOLTAGE_5V, false); __pm_stay_awake(battery->wpc_tx_en_ws); queue_delayed_work(battery->monitor_wqueue, &battery->wpc_tx_en_work, msecs_to_jiffies(EN_RETRY_DELAY)); return; } } else { pr_info("@Tx_Mode %s: 5V AFC. Tx Start\n", __func__); sec_bat_wpc_tx_iv(battery->iv_vote, SEC_INPUT_VOLTAGE_5V, false); sec_bat_run_wpc_tx_work(battery, 0); } pr_info("@Tx_Mode %s: TX Power Calculation start.\n", __func__); queue_delayed_work(battery->monitor_wqueue, &battery->wpc_txpower_calc_work, 0); } else { cancel_delayed_work(&battery->wpc_tx_work); cancel_delayed_work(&battery->wpc_txpower_calc_work); __pm_relax(battery->wpc_tx_ws); sec_bat_wireless_minduty_cntl(battery, battery->pdata->tx_minduty_default); battery->wc_rx_type = NO_DEV; battery->wc_rx_connected = false; battery->tx_uno_iout = 0; battery->tx_mfc_iout = 0; battery->buck_cntl_by_tx = false; sec_bat_wireless_uno_cntl(battery, false); sec_bat_wireless_vout_cntl(battery, WC_TX_VOUT_5000MV); sec_vote(battery->chgen_vote, VOTER_WC_TX, false, 0); sec_vote(battery->fcc_vote, VOTER_WC_TX, false, 0); sec_vote(battery->input_vote, VOTER_WC_TX, false, 0); /* for 1) not supporting DC and charging bia PD20/DC on Tx */ /* 2) supporting DC and charging bia PD20 on Tx */ /* 3) During retrying, maintain iv_vote */ if (battery->tx_retry_case == SEC_BAT_TX_RETRY_NONE) sec_vote(battery->iv_vote, VOTER_WC_TX, false, 0); cnt = 0; } pr_info("@Tx_Mode %s Done\n", __func__); __pm_relax(battery->wpc_tx_en_ws); } void sec_wireless_set_tx_enable(struct sec_battery_info *battery, bool wc_tx_enable) { int wr_sts = battery->wire_status; pr_info("@Tx_Mode %s: TX Power enable ? (%d)\n", __func__, wc_tx_enable); if (battery->pdata->tx_5v_disable && wc_tx_enable && is_5v_charger(battery, wr_sts)) { pr_info("@Tx_Mode %s : 5V charger(%d) connected, do not turn on TX\n", __func__, wr_sts); sec_bat_set_tx_event(battery, BATT_TX_EVENT_WIRELESS_TX_5V_TA, BATT_TX_EVENT_WIRELESS_TX_5V_TA); return; } /* temporary code */ sb_tx_init(battery, battery->pdata->wireless_charger_name); sb_tx_init_aov(); battery->wc_tx_enable = wc_tx_enable; battery->wc_tx_phm_mode = false; battery->prev_tx_phm_mode = false; /* FPDO DC concept */ if (wr_sts == SEC_BATTERY_CABLE_FPDO_DC && battery->wc_tx_enable) { union power_supply_propval value = {0, }; value.intval = 0; psy_do_property(battery->pdata->charger_name, set, POWER_SUPPLY_EXT_PROP_REFRESH_CHARGING_SOURCE, value); } cancel_delayed_work(&battery->wpc_tx_en_work); __pm_stay_awake(battery->wpc_tx_en_ws); queue_delayed_work(battery->monitor_wqueue, &battery->wpc_tx_en_work, 0); } EXPORT_SYMBOL(sec_wireless_set_tx_enable);