/* Copyright (c) 2016-2017 The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include #include #include #include #include #include #include #include #include #include "smb-lib.h" #include "smb-reg.h" #include "battery.h" #include "storm-watch.h" #define smblib_err(chg, fmt, ...) \ pr_err("%s: %s: " fmt, chg->name, \ __func__, ##__VA_ARGS__) \ #define smblib_dbg(chg, reason, fmt, ...) \ do { \ if (*chg->debug_mask & (reason)) \ pr_info("%s: %s: " fmt, chg->name, \ __func__, ##__VA_ARGS__); \ else \ pr_debug("%s: %s: " fmt, chg->name, \ __func__, ##__VA_ARGS__); \ } while (0) static bool is_secure(struct smb_charger *chg, int addr) { if (addr == SHIP_MODE_REG || addr == FREQ_CLK_DIV_REG) return true; /* assume everything above 0xA0 is secure */ return (bool)((addr & 0xFF) >= 0xA0); } int smblib_read(struct smb_charger *chg, u16 addr, u8 *val) { int rc = 0; struct spmi_device *spmi = chg->spmi; rc = spmi_ext_register_readl(spmi->ctrl, spmi->sid, addr, val, (int)1); if (rc) pr_err("spmi read failed addr=0x%02x rc=%d\n", addr, rc); return rc; } int smblib_multibyte_read(struct smb_charger *chg, u16 addr, u8 *val, int count) { int rc = 0; struct spmi_device *spmi = chg->spmi; rc = spmi_ext_register_readl(spmi->ctrl, spmi->sid, addr, val, count); if (rc) pr_err("spmi read failed addr=0x%02x rc=%d\n", addr, rc); return rc; } int smblib_write(struct smb_charger *chg, u16 addr, u8 val) { u8 sec_addr_val = 0xA5; int rc = 0; struct spmi_device *spmi = chg->spmi; mutex_lock(&chg->write_lock); if (is_secure(chg, addr)) { rc = spmi_ext_register_writel(spmi->ctrl, spmi->sid, (addr & ~(0xFF)) | 0xD0, &sec_addr_val, 1); if (rc < 0) goto unlock; } rc = spmi_ext_register_writel(spmi->ctrl, spmi->sid, addr, &val, 1); if (rc) pr_err("write failed addr=0x%02x rc=%d\n", addr, rc); unlock: mutex_unlock(&chg->write_lock); return rc; } int smblib_masked_write(struct smb_charger *chg, u16 addr, u8 mask, u8 val) { int rc = 0; u8 sec_addr_val = 0xA5, reg = 0; struct spmi_device *spmi = chg->spmi; mutex_lock(&chg->write_lock); rc = spmi_ext_register_readl(spmi->ctrl, spmi->sid, addr, ®, 1); if (rc) { pr_err("spmi read failed addr=0x%02x rc=%d\n", addr, rc); goto unlock; } reg &= ~mask; reg |= val & mask; if (is_secure(chg, addr)) { rc = spmi_ext_register_writel(spmi->ctrl, spmi->sid, (addr & ~(0xFF)) | 0xD0, &sec_addr_val, 1); if (rc < 0) goto unlock; } rc = spmi_ext_register_writel(spmi->ctrl, spmi->sid, addr, ®, 1); if (rc) pr_err("write failed addr=0x%02x rc=%d\n", addr, rc); unlock: mutex_unlock(&chg->write_lock); return rc; } static int smblib_get_jeita_cc_delta(struct smb_charger *chg, int *cc_delta_ua) { int rc, cc_minus_ua; u8 stat; rc = smblib_read(chg, BATTERY_CHARGER_STATUS_2_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n", rc); return rc; } if (!(stat & BAT_TEMP_STATUS_SOFT_LIMIT_MASK)) { *cc_delta_ua = 0; return 0; } rc = smblib_get_charge_param(chg, &chg->param.jeita_cc_comp, &cc_minus_ua); if (rc < 0) { smblib_err(chg, "Couldn't get jeita cc minus rc=%d\n", rc); return rc; } *cc_delta_ua = -cc_minus_ua; return 0; } int smblib_icl_override(struct smb_charger *chg, bool override) { int rc; rc = smblib_masked_write(chg, USBIN_LOAD_CFG_REG, ICL_OVERRIDE_AFTER_APSD_BIT, override ? ICL_OVERRIDE_AFTER_APSD_BIT : 0); if (rc < 0) smblib_err(chg, "Couldn't override ICL rc=%d\n", rc); return rc; } /******************** * REGISTER GETTERS * ********************/ int smblib_get_charge_param(struct smb_charger *chg, struct smb_chg_param *param, int *val_u) { int rc = 0; u8 val_raw; rc = smblib_read(chg, param->reg, &val_raw); if (rc < 0) { smblib_err(chg, "%s: Couldn't read from 0x%04x rc=%d\n", param->name, param->reg, rc); return rc; } if (param->get_proc) *val_u = param->get_proc(param, val_raw); else *val_u = val_raw * param->step_u + param->min_u; smblib_dbg(chg, PR_REGISTER, "%s = %d (0x%02x)\n", param->name, *val_u, val_raw); return rc; } int smblib_get_usb_suspend(struct smb_charger *chg, int *suspend) { int rc = 0; u8 temp; rc = smblib_read(chg, USBIN_CMD_IL_REG, &temp); if (rc < 0) { smblib_err(chg, "Couldn't read USBIN_CMD_IL rc=%d\n", rc); return rc; } *suspend = temp & USBIN_SUSPEND_BIT; return rc; } struct apsd_result { const char * const name; const u8 bit; const enum power_supply_type pst; }; enum { UNKNOWN, SDP, CDP, DCP, OCP, FLOAT, HVDCP2, HVDCP3, MAX_TYPES }; static const struct apsd_result const smblib_apsd_results[] = { [UNKNOWN] = { .name = "UNKNOWN", .bit = 0, .pst = POWER_SUPPLY_TYPE_UNKNOWN }, [SDP] = { .name = "SDP", .bit = SDP_CHARGER_BIT, .pst = POWER_SUPPLY_TYPE_USB }, [CDP] = { .name = "CDP", .bit = CDP_CHARGER_BIT, .pst = POWER_SUPPLY_TYPE_USB_CDP }, [DCP] = { .name = "DCP", .bit = DCP_CHARGER_BIT, .pst = POWER_SUPPLY_TYPE_USB_DCP }, [OCP] = { .name = "OCP", .bit = OCP_CHARGER_BIT, .pst = POWER_SUPPLY_TYPE_USB_DCP }, [FLOAT] = { .name = "FLOAT", .bit = FLOAT_CHARGER_BIT, .pst = POWER_SUPPLY_TYPE_USB_FLOAT }, [HVDCP2] = { .name = "HVDCP2", .bit = DCP_CHARGER_BIT | QC_2P0_BIT, .pst = POWER_SUPPLY_TYPE_USB_HVDCP }, [HVDCP3] = { .name = "HVDCP3", .bit = DCP_CHARGER_BIT | QC_3P0_BIT, .pst = POWER_SUPPLY_TYPE_USB_HVDCP_3, }, }; static const struct apsd_result *smblib_get_apsd_result(struct smb_charger *chg) { int rc, i; u8 apsd_stat, stat; const struct apsd_result *result = &smblib_apsd_results[UNKNOWN]; rc = smblib_read(chg, APSD_STATUS_REG, &apsd_stat); if (rc < 0) { smblib_err(chg, "Couldn't read APSD_STATUS rc=%d\n", rc); return result; } smblib_dbg(chg, PR_REGISTER, "APSD_STATUS = 0x%02x\n", apsd_stat); if (!(apsd_stat & APSD_DTC_STATUS_DONE_BIT)) return result; rc = smblib_read(chg, APSD_RESULT_STATUS_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read APSD_RESULT_STATUS rc=%d\n", rc); return result; } stat &= APSD_RESULT_STATUS_MASK; for (i = 0; i < ARRAY_SIZE(smblib_apsd_results); i++) { if (smblib_apsd_results[i].bit == stat) result = &smblib_apsd_results[i]; } if (apsd_stat & QC_CHARGER_BIT) { /* since its a qc_charger, either return HVDCP3 or HVDCP2 */ if (result != &smblib_apsd_results[HVDCP3]) result = &smblib_apsd_results[HVDCP2]; } return result; } /******************** * REGISTER SETTERS * ********************/ static int chg_freq_list[] = { 9600, 9600, 6400, 4800, 3800, 3200, 2700, 2400, 2100, 1900, 1700, 1600, 1500, 1400, 1300, 1200, }; int smblib_set_chg_freq(struct smb_chg_param *param, int val_u, u8 *val_raw) { u8 i; if (val_u > param->max_u || val_u < param->min_u) return -EINVAL; /* Charger FSW is the configured freqency / 2 */ val_u *= 2; for (i = 0; i < ARRAY_SIZE(chg_freq_list); i++) { if (chg_freq_list[i] == val_u) break; } if (i == ARRAY_SIZE(chg_freq_list)) { pr_err("Invalid frequency %d Hz\n", val_u / 2); return -EINVAL; } *val_raw = i; return 0; } static int smblib_set_opt_freq_buck(struct smb_charger *chg, int fsw_khz) { union power_supply_propval pval = {0, }; int rc = 0; rc = smblib_set_charge_param(chg, &chg->param.freq_buck, fsw_khz); if (rc < 0) dev_err(chg->dev, "Error in setting freq_buck rc=%d\n", rc); if (chg->mode == PARALLEL_MASTER && chg->pl.psy) { pval.intval = fsw_khz; /* * Some parallel charging implementations may not have * PROP_BUCK_FREQ property - they could be running * with a fixed frequency */ power_supply_set_property(chg->pl.psy, POWER_SUPPLY_PROP_BUCK_FREQ, &pval); } return rc; } int smblib_set_charge_param(struct smb_charger *chg, struct smb_chg_param *param, int val_u) { int rc = 0; u8 val_raw; if (param->set_proc) { rc = param->set_proc(param, val_u, &val_raw); if (rc < 0) return -EINVAL; } else { if (val_u > param->max_u || val_u < param->min_u) { smblib_err(chg, "%s: %d is out of range [%d, %d]\n", param->name, val_u, param->min_u, param->max_u); return -EINVAL; } val_raw = (val_u - param->min_u) / param->step_u; } rc = smblib_write(chg, param->reg, val_raw); if (rc < 0) { smblib_err(chg, "%s: Couldn't write 0x%02x to 0x%04x rc=%d\n", param->name, val_raw, param->reg, rc); return rc; } smblib_dbg(chg, PR_REGISTER, "%s = %d (0x%02x)\n", param->name, val_u, val_raw); return rc; } int smblib_set_usb_suspend(struct smb_charger *chg, bool suspend) { int rc = 0; int irq = chg->irq_info[USBIN_ICL_CHANGE_IRQ].irq; if (suspend && irq) { if (chg->usb_icl_change_irq_enabled) { disable_irq_nosync(irq); chg->usb_icl_change_irq_enabled = false; } } rc = smblib_masked_write(chg, USBIN_CMD_IL_REG, USBIN_SUSPEND_BIT, suspend ? USBIN_SUSPEND_BIT : 0); if (rc < 0) smblib_err(chg, "Couldn't write %s to USBIN_SUSPEND_BIT rc=%d\n", suspend ? "suspend" : "resume", rc); if (!suspend && irq) { if (!chg->usb_icl_change_irq_enabled) { enable_irq(irq); chg->usb_icl_change_irq_enabled = true; } } return rc; } int smblib_set_dc_suspend(struct smb_charger *chg, bool suspend) { int rc = 0; rc = smblib_masked_write(chg, DCIN_CMD_IL_REG, DCIN_SUSPEND_BIT, suspend ? DCIN_SUSPEND_BIT : 0); if (rc < 0) smblib_err(chg, "Couldn't write %s to DCIN_SUSPEND_BIT rc=%d\n", suspend ? "suspend" : "resume", rc); return rc; } static int smblib_set_adapter_allowance(struct smb_charger *chg, u8 allowed_voltage) { int rc = 0; switch (allowed_voltage) { case USBIN_ADAPTER_ALLOW_12V: case USBIN_ADAPTER_ALLOW_5V_OR_12V: case USBIN_ADAPTER_ALLOW_9V_TO_12V: case USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V: case USBIN_ADAPTER_ALLOW_5V_TO_12V: /* PM660 only support max. 9V */ if (chg->smb_version == PM660_SUBTYPE) { smblib_dbg(chg, PR_MISC, "voltage not supported=%d\n", allowed_voltage); allowed_voltage = USBIN_ADAPTER_ALLOW_5V_OR_9V; } break; } rc = smblib_write(chg, USBIN_ADAPTER_ALLOW_CFG_REG, allowed_voltage); if (rc < 0) { smblib_err(chg, "Couldn't write 0x%02x to USBIN_ADAPTER_ALLOW_CFG rc=%d\n", allowed_voltage, rc); return rc; } return rc; } #define MICRO_5V 5000000 #define MICRO_9V 9000000 #define MICRO_12V 12000000 static int smblib_set_usb_pd_allowed_voltage(struct smb_charger *chg, int min_allowed_uv, int max_allowed_uv) { int rc; u8 allowed_voltage; if (min_allowed_uv == MICRO_5V && max_allowed_uv == MICRO_5V) { allowed_voltage = USBIN_ADAPTER_ALLOW_5V; smblib_set_opt_freq_buck(chg, chg->chg_freq.freq_5V); } else if (min_allowed_uv == MICRO_9V && max_allowed_uv == MICRO_9V) { allowed_voltage = USBIN_ADAPTER_ALLOW_9V; smblib_set_opt_freq_buck(chg, chg->chg_freq.freq_9V); } else if (min_allowed_uv == MICRO_12V && max_allowed_uv == MICRO_12V) { allowed_voltage = USBIN_ADAPTER_ALLOW_12V; smblib_set_opt_freq_buck(chg, chg->chg_freq.freq_12V); } else if (min_allowed_uv < MICRO_9V && max_allowed_uv <= MICRO_9V) { allowed_voltage = USBIN_ADAPTER_ALLOW_5V_TO_9V; } else if (min_allowed_uv < MICRO_9V && max_allowed_uv <= MICRO_12V) { allowed_voltage = USBIN_ADAPTER_ALLOW_5V_TO_12V; } else if (min_allowed_uv < MICRO_12V && max_allowed_uv <= MICRO_12V) { allowed_voltage = USBIN_ADAPTER_ALLOW_9V_TO_12V; } else { smblib_err(chg, "invalid allowed voltage [%d, %d]\n", min_allowed_uv, max_allowed_uv); return -EINVAL; } rc = smblib_set_adapter_allowance(chg, allowed_voltage); if (rc < 0) { smblib_err(chg, "Couldn't configure adapter allowance rc=%d\n", rc); return rc; } return rc; } /******************** * HELPER FUNCTIONS * ********************/ static void smblib_rerun_apsd(struct smb_charger *chg) { int rc; smblib_dbg(chg, PR_MISC, "re-running APSD\n"); if (chg->wa_flags & QC_AUTH_INTERRUPT_WA_BIT) { rc = smblib_masked_write(chg, USBIN_SOURCE_CHANGE_INTRPT_ENB_REG, AUTH_IRQ_EN_CFG_BIT, AUTH_IRQ_EN_CFG_BIT); if (rc < 0) smblib_err(chg, "Couldn't enable HVDCP auth IRQ rc=%d\n", rc); } rc = smblib_masked_write(chg, CMD_APSD_REG, APSD_RERUN_BIT, APSD_RERUN_BIT); if (rc < 0) smblib_err(chg, "Couldn't re-run APSD rc=%d\n", rc); } static const struct apsd_result *smblib_update_usb_type(struct smb_charger *chg) { const struct apsd_result *apsd_result = smblib_get_apsd_result(chg); /* if PD is active, APSD is disabled so won't have a valid result */ if (chg->pd_active) { chg->real_charger_type = POWER_SUPPLY_TYPE_USB_PD; } else { /* * Update real charger type only if its not FLOAT * detected as as SDP */ if (!(apsd_result->pst == POWER_SUPPLY_TYPE_USB_FLOAT && chg->real_charger_type == POWER_SUPPLY_TYPE_USB)) chg->real_charger_type = apsd_result->pst; } if (!chg->skip_usb_notification) power_supply_set_supply_type(chg->usb_psy, chg->real_charger_type); smblib_dbg(chg, PR_MISC, "APSD=%s PD=%d\n", apsd_result->name, chg->pd_active); return apsd_result; } static int smblib_notifier_call(struct notifier_block *nb, unsigned long ev, void *v) { struct power_supply *psy = v; struct smb_charger *chg = container_of(nb, struct smb_charger, nb); if (!strcmp(psy->name, "bms")) { if (!chg->bms_psy) chg->bms_psy = psy; if (ev == PSY_EVENT_PROP_CHANGED) schedule_work(&chg->bms_update_work); } if (!chg->pl.psy && !strcmp(psy->name, "parallel")) chg->pl.psy = psy; return NOTIFY_OK; } static int smblib_register_notifier(struct smb_charger *chg) { int rc; chg->nb.notifier_call = smblib_notifier_call; rc = power_supply_reg_notifier(&chg->nb); if (rc < 0) { smblib_err(chg, "Couldn't register psy notifier rc = %d\n", rc); return rc; } return 0; } int smblib_mapping_soc_from_field_value(struct smb_chg_param *param, int val_u, u8 *val_raw) { if (val_u > param->max_u || val_u < param->min_u) return -EINVAL; *val_raw = val_u << 1; return 0; } int smblib_mapping_cc_delta_to_field_value(struct smb_chg_param *param, u8 val_raw) { int val_u = val_raw * param->step_u + param->min_u; if (val_u > param->max_u) val_u -= param->max_u * 2; return val_u; } int smblib_mapping_cc_delta_from_field_value(struct smb_chg_param *param, int val_u, u8 *val_raw) { if (val_u > param->max_u || val_u < param->min_u - param->max_u) return -EINVAL; val_u += param->max_u * 2 - param->min_u; val_u %= param->max_u * 2; *val_raw = val_u / param->step_u; return 0; } static void smblib_uusb_removal(struct smb_charger *chg) { int rc; struct smb_irq_data *data; struct storm_watch *wdata; cancel_delayed_work_sync(&chg->pl_enable_work); power_supply_set_dp_dm(chg->usb_psy, POWER_SUPPLY_DP_DM_DPR_DMR); if (chg->wa_flags & BOOST_BACK_WA) { data = chg->irq_info[SWITCH_POWER_OK_IRQ].irq_data; if (data) { wdata = &data->storm_data; update_storm_count(wdata, WEAK_CHG_STORM_COUNT); vote(chg->usb_icl_votable, BOOST_BACK_VOTER, false, 0); vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER, false, 0); } } vote(chg->pl_disable_votable, PL_DELAY_VOTER, true, 0); vote(chg->awake_votable, PL_DELAY_VOTER, false, 0); /* reset both usbin current and voltage votes */ vote(chg->pl_enable_votable_indirect, USBIN_I_VOTER, false, 0); vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, false, 0); vote(chg->usb_icl_votable, SW_QC3_VOTER, false, 0); cancel_delayed_work_sync(&chg->hvdcp_detect_work); if (chg->wa_flags & QC_AUTH_INTERRUPT_WA_BIT) { /* re-enable AUTH_IRQ_EN_CFG_BIT */ rc = smblib_masked_write(chg, USBIN_SOURCE_CHANGE_INTRPT_ENB_REG, AUTH_IRQ_EN_CFG_BIT, AUTH_IRQ_EN_CFG_BIT); if (rc < 0) smblib_err(chg, "Couldn't enable QC auth setting rc=%d\n", rc); } /* reconfigure allowed voltage for HVDCP */ rc = smblib_set_adapter_allowance(chg, USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V); if (rc < 0) smblib_err(chg, "Couldn't set USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V rc=%d\n", rc); chg->voltage_min_uv = MICRO_5V; chg->voltage_max_uv = MICRO_5V; chg->usb_icl_delta_ua = 0; chg->pulse_cnt = 0; chg->uusb_apsd_rerun_done = false; /* clear USB ICL vote for USB_PSY_VOTER */ rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0); if (rc < 0) smblib_err(chg, "Couldn't un-vote for USB ICL rc=%d\n", rc); /* clear USB ICL vote for DCP_VOTER */ rc = vote(chg->usb_icl_votable, DCP_VOTER, false, 0); if (rc < 0) smblib_err(chg, "Couldn't un-vote DCP from USB ICL rc=%d\n", rc); if (!chg->skip_usb_notification) { smblib_dbg(chg, PR_REGISTER, "Notify USB removal\n"); power_supply_set_online(chg->usb_psy, false); power_supply_set_present(chg->usb_psy, false); } } void smblib_suspend_on_debug_battery(struct smb_charger *chg) { int rc; union power_supply_propval val; if (!chg->suspend_input_on_debug_batt) return; rc = power_supply_get_property(chg->bms_psy, POWER_SUPPLY_PROP_DEBUG_BATTERY, &val); if (rc < 0) { smblib_err(chg, "Couldn't get debug battery prop rc=%d\n", rc); return; } vote(chg->usb_icl_votable, DEBUG_BOARD_VOTER, val.intval, 0); vote(chg->dc_suspend_votable, DEBUG_BOARD_VOTER, val.intval, 0); if (val.intval) pr_info("Input suspended: Fake battery\n"); } int smblib_rerun_apsd_if_required(struct smb_charger *chg) { union power_supply_propval val; int rc; rc = smblib_get_prop_usb_present(chg, &val); if (rc < 0) { smblib_err(chg, "Couldn't get usb present rc = %d\n", rc); return rc; } if (!val.intval) return 0; /* vote to the USB stack to float DP_DM before APSD */ power_supply_set_dp_dm(chg->usb_psy, POWER_SUPPLY_DP_DM_DPF_DMF); chg->uusb_apsd_rerun_done = true; smblib_rerun_apsd(chg); return 0; } static int smblib_get_hw_pulse_cnt(struct smb_charger *chg, int *count) { int rc; u8 val[2]; switch (chg->smb_version) { case PMI8998_SUBTYPE: rc = smblib_read(chg, QC_PULSE_COUNT_STATUS_REG, val); if (rc) { pr_err("failed to read QC_PULSE_COUNT_STATUS_REG rc=%d\n", rc); return rc; } *count = val[0] & QC_PULSE_COUNT_MASK; break; case PM660_SUBTYPE: rc = smblib_multibyte_read(chg, QC_PULSE_COUNT_STATUS_1_REG, val, 2); if (rc) { pr_err("failed to read QC_PULSE_COUNT_STATUS_1_REG rc=%d\n", rc); return rc; } *count = (val[1] << 8) | val[0]; break; default: smblib_dbg(chg, PR_PARALLEL, "unknown SMB chip %d\n", chg->smb_version); return -EINVAL; } return 0; } static int smblib_get_pulse_cnt(struct smb_charger *chg, int *count) { int rc; /* Use software based pulse count if HW INOV is disabled */ if (get_effective_result(chg->hvdcp_hw_inov_dis_votable) > 0) { *count = chg->pulse_cnt; return 0; } /* Use h/w pulse count if autonomous mode is enabled */ rc = smblib_get_hw_pulse_cnt(chg, count); if (rc < 0) smblib_err(chg, "failed to read h/w pulse count rc=%d\n", rc); return rc; } #define USBIN_25MA 25000 #define USBIN_100MA 100000 #define USBIN_150MA 150000 #define USBIN_500MA 500000 #define USBIN_900MA 900000 static int set_sdp_current(struct smb_charger *chg, int icl_ua) { int rc; u8 icl_options; const struct apsd_result *apsd_result = smblib_get_apsd_result(chg); /* power source is SDP */ switch (icl_ua) { case USBIN_100MA: /* USB 2.0 100mA */ icl_options = 0; break; case USBIN_150MA: /* USB 3.0 150mA */ icl_options = CFG_USB3P0_SEL_BIT; break; case USBIN_500MA: /* USB 2.0 500mA */ icl_options = USB51_MODE_BIT; break; case USBIN_900MA: /* USB 3.0 900mA */ icl_options = CFG_USB3P0_SEL_BIT | USB51_MODE_BIT; break; default: smblib_err(chg, "ICL %duA isn't supported for SDP\n", icl_ua); return -EINVAL; } if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB && apsd_result->pst == POWER_SUPPLY_TYPE_USB_FLOAT) { /* * change the float charger configuration to SDP, if this * is the case of SDP being detected as FLOAT */ rc = smblib_masked_write(chg, USBIN_OPTIONS_2_CFG_REG, FORCE_FLOAT_SDP_CFG_BIT, FORCE_FLOAT_SDP_CFG_BIT); if (rc < 0) { smblib_err(chg, "Couldn't set float ICL options rc=%d\n", rc); return rc; } } rc = smblib_masked_write(chg, USBIN_ICL_OPTIONS_REG, CFG_USB3P0_SEL_BIT | USB51_MODE_BIT, icl_options); if (rc < 0) { smblib_err(chg, "Couldn't set ICL options rc=%d\n", rc); return rc; } return rc; } static int get_sdp_current(struct smb_charger *chg, int *icl_ua) { int rc; u8 icl_options; bool usb3 = false; rc = smblib_read(chg, USBIN_ICL_OPTIONS_REG, &icl_options); if (rc < 0) { smblib_err(chg, "Couldn't get ICL options rc=%d\n", rc); return rc; } usb3 = (icl_options & CFG_USB3P0_SEL_BIT); if (icl_options & USB51_MODE_BIT) *icl_ua = usb3 ? USBIN_900MA : USBIN_500MA; else *icl_ua = usb3 ? USBIN_150MA : USBIN_100MA; return rc; } int smblib_set_icl_current(struct smb_charger *chg, int icl_ua) { int rc = 0; bool override; /* suspend and return if 25mA or less is requested */ if (icl_ua < USBIN_25MA) return smblib_set_usb_suspend(chg, true); if (icl_ua == INT_MAX) goto override_suspend_config; /* configure current */ if (chg->typec_mode == POWER_SUPPLY_TYPEC_SOURCE_DEFAULT && (chg->real_charger_type == POWER_SUPPLY_TYPE_USB)) { rc = set_sdp_current(chg, icl_ua); if (rc < 0) { smblib_err(chg, "Couldn't set SDP ICL rc=%d\n", rc); goto enable_icl_changed_interrupt; } } else { set_sdp_current(chg, 100000); rc = smblib_set_charge_param(chg, &chg->param.usb_icl, icl_ua); if (rc < 0) { smblib_err(chg, "Couldn't set HC ICL rc=%d\n", rc); goto enable_icl_changed_interrupt; } } override_suspend_config: /* determine if override needs to be enforced */ override = true; if (icl_ua == INT_MAX) { /* remove override if no voters - hw defaults is desired */ override = false; } else if (chg->typec_mode == POWER_SUPPLY_TYPEC_SOURCE_DEFAULT) { if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB) /* For std cable with type = SDP never override */ override = false; else if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB_CDP && icl_ua == 1500000) /* * For std cable with type = CDP override only if * current is not 1500mA */ override = false; } /* enforce override */ rc = smblib_masked_write(chg, USBIN_ICL_OPTIONS_REG, USBIN_MODE_CHG_BIT, override ? USBIN_MODE_CHG_BIT : 0); rc = smblib_icl_override(chg, override); if (rc < 0) { smblib_err(chg, "Couldn't set ICL override rc=%d\n", rc); goto enable_icl_changed_interrupt; } /* unsuspend after configuring current and override */ rc = smblib_set_usb_suspend(chg, false); if (rc < 0) { smblib_err(chg, "Couldn't resume input rc=%d\n", rc); goto enable_icl_changed_interrupt; } enable_icl_changed_interrupt: return rc; } int smblib_get_icl_current(struct smb_charger *chg, int *icl_ua) { int rc = 0; u8 load_cfg; bool override; if ((chg->typec_mode == POWER_SUPPLY_TYPEC_SOURCE_DEFAULT || chg->micro_usb_mode) && (chg->usb_psy->type == POWER_SUPPLY_TYPE_USB)) { rc = get_sdp_current(chg, icl_ua); if (rc < 0) { smblib_err(chg, "Couldn't get SDP ICL rc=%d\n", rc); return rc; } } else { rc = smblib_read(chg, USBIN_LOAD_CFG_REG, &load_cfg); if (rc < 0) { smblib_err(chg, "Couldn't get load cfg rc=%d\n", rc); return rc; } override = load_cfg & ICL_OVERRIDE_AFTER_APSD_BIT; if (!override) return INT_MAX; /* override is set */ rc = smblib_get_charge_param(chg, &chg->param.usb_icl, icl_ua); if (rc < 0) { smblib_err(chg, "Couldn't get HC ICL rc=%d\n", rc); return rc; } } return 0; } /********************* * VOTABLE CALLBACKS * *********************/ static int smblib_dc_suspend_vote_callback(struct votable *votable, void *data, int suspend, const char *client) { struct smb_charger *chg = data; /* resume input if suspend is invalid */ if (suspend < 0) suspend = 0; return smblib_set_dc_suspend(chg, (bool)suspend); } static int smblib_dc_icl_vote_callback(struct votable *votable, void *data, int icl_ua, const char *client) { struct smb_charger *chg = data; int rc = 0; bool suspend; if (icl_ua < 0) { smblib_dbg(chg, PR_MISC, "No Voter hence suspending\n"); icl_ua = 0; } suspend = (icl_ua < USBIN_25MA); if (suspend) goto suspend; rc = smblib_set_charge_param(chg, &chg->param.dc_icl, icl_ua); if (rc < 0) { smblib_err(chg, "Couldn't set DC input current limit rc=%d\n", rc); return rc; } suspend: rc = vote(chg->dc_suspend_votable, USER_VOTER, suspend, 0); if (rc < 0) { smblib_err(chg, "Couldn't vote to %s DC rc=%d\n", suspend ? "suspend" : "resume", rc); return rc; } return rc; } static int smblib_pd_disallowed_votable_indirect_callback( struct votable *votable, void *data, int disallowed, const char *client) { struct smb_charger *chg = data; int rc; rc = vote(chg->pd_allowed_votable, PD_DISALLOWED_INDIRECT_VOTER, !disallowed, 0); return rc; } static int smblib_awake_vote_callback(struct votable *votable, void *data, int awake, const char *client) { struct smb_charger *chg = data; if (awake) pm_stay_awake(chg->dev); else pm_relax(chg->dev); return 0; } static int smblib_chg_disable_vote_callback(struct votable *votable, void *data, int chg_disable, const char *client) { struct smb_charger *chg = data; int rc; rc = smblib_masked_write(chg, CHARGING_ENABLE_CMD_REG, CHARGING_ENABLE_CMD_BIT, chg_disable ? 0 : CHARGING_ENABLE_CMD_BIT); if (rc < 0) { smblib_err(chg, "Couldn't %s charging rc=%d\n", chg_disable ? "disable" : "enable", rc); return rc; } return 0; } static int smblib_hvdcp_enable_vote_callback(struct votable *votable, void *data, int hvdcp_enable, const char *client) { struct smb_charger *chg = data; int rc; u8 val = HVDCP_AUTH_ALG_EN_CFG_BIT | HVDCP_EN_BIT; u8 stat; /* vote to enable/disable HW autonomous INOV */ vote(chg->hvdcp_hw_inov_dis_votable, client, !hvdcp_enable, 0); /* * Disable the autonomous bit and auth bit for disabling hvdcp. * This ensures only qc 2.0 detection runs but no vbus * negotiation happens. */ if (!hvdcp_enable) val = HVDCP_EN_BIT; rc = smblib_masked_write(chg, USBIN_OPTIONS_1_CFG_REG, HVDCP_EN_BIT | HVDCP_AUTH_ALG_EN_CFG_BIT, val); if (rc < 0) { smblib_err(chg, "Couldn't %s hvdcp rc=%d\n", hvdcp_enable ? "enable" : "disable", rc); return rc; } rc = smblib_read(chg, APSD_STATUS_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read APSD status rc=%d\n", rc); return rc; } /* re-run APSD if HVDCP was detected */ if (stat & QC_CHARGER_BIT) smblib_rerun_apsd(chg); return 0; } static int smblib_hvdcp_disable_indirect_vote_callback(struct votable *votable, void *data, int hvdcp_disable, const char *client) { struct smb_charger *chg = data; vote(chg->hvdcp_enable_votable, HVDCP_INDIRECT_VOTER, !hvdcp_disable, 0); return 0; } static int smblib_apsd_disable_vote_callback(struct votable *votable, void *data, int apsd_disable, const char *client) { struct smb_charger *chg = data; int rc; if (apsd_disable) { rc = smblib_masked_write(chg, USBIN_OPTIONS_1_CFG_REG, AUTO_SRC_DETECT_BIT, 0); if (rc < 0) { smblib_err(chg, "Couldn't disable APSD rc=%d\n", rc); return rc; } } else { rc = smblib_masked_write(chg, USBIN_OPTIONS_1_CFG_REG, AUTO_SRC_DETECT_BIT, AUTO_SRC_DETECT_BIT); if (rc < 0) { smblib_err(chg, "Couldn't enable APSD rc=%d\n", rc); return rc; } } return 0; } static int smblib_hvdcp_hw_inov_dis_vote_callback(struct votable *votable, void *data, int disable, const char *client) { struct smb_charger *chg = data; int rc; if (disable) { /* * the pulse count register get zeroed when autonomous mode is * disabled. Track that in variables before disabling */ rc = smblib_get_hw_pulse_cnt(chg, &chg->pulse_cnt); if (rc < 0) { pr_err("failed to read QC_PULSE_COUNT_STATUS_REG rc=%d\n", rc); return rc; } } rc = smblib_masked_write(chg, USBIN_OPTIONS_1_CFG_REG, HVDCP_AUTONOMOUS_MODE_EN_CFG_BIT, disable ? 0 : HVDCP_AUTONOMOUS_MODE_EN_CFG_BIT); if (rc < 0) { smblib_err(chg, "Couldn't %s hvdcp rc=%d\n", disable ? "disable" : "enable", rc); return rc; } return rc; } static int smblib_usb_irq_enable_vote_callback(struct votable *votable, void *data, int enable, const char *client) { struct smb_charger *chg = data; if (!chg->irq_info[INPUT_CURRENT_LIMIT_IRQ].irq || !chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq) return 0; if (enable) { enable_irq(chg->irq_info[INPUT_CURRENT_LIMIT_IRQ].irq); enable_irq(chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq); } else { disable_irq(chg->irq_info[INPUT_CURRENT_LIMIT_IRQ].irq); disable_irq(chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq); } return 0; } static int smblib_typec_irq_disable_vote_callback(struct votable *votable, void *data, int disable, const char *client) { struct smb_charger *chg = data; if (!chg->irq_info[TYPE_C_CHANGE_IRQ].irq) return 0; if (disable) disable_irq_nosync(chg->irq_info[TYPE_C_CHANGE_IRQ].irq); else enable_irq(chg->irq_info[TYPE_C_CHANGE_IRQ].irq); return 0; } /******************* * VCONN REGULATOR * * *****************/ #define MAX_OTG_SS_TRIES 2 static int _smblib_vconn_regulator_enable(struct regulator_dev *rdev) { struct smb_charger *chg = rdev_get_drvdata(rdev); int rc = 0; u8 val; /* * When enabling VCONN using the command register the CC pin must be * selected. VCONN should be supplied to the inactive CC pin hence using * the opposite of the CC_ORIENTATION_BIT. */ smblib_dbg(chg, PR_OTG, "enabling VCONN\n"); val = chg->typec_status[3] & CC_ORIENTATION_BIT ? 0 : VCONN_EN_ORIENTATION_BIT; rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, VCONN_EN_VALUE_BIT | VCONN_EN_ORIENTATION_BIT, VCONN_EN_VALUE_BIT | val); if (rc < 0) { smblib_err(chg, "Couldn't enable vconn setting rc=%d\n", rc); return rc; } return rc; } int smblib_vconn_regulator_enable(struct regulator_dev *rdev) { struct smb_charger *chg = rdev_get_drvdata(rdev); int rc = 0; mutex_lock(&chg->vconn_oc_lock); if (chg->vconn_en) goto unlock; rc = _smblib_vconn_regulator_enable(rdev); if (rc >= 0) chg->vconn_en = true; unlock: mutex_unlock(&chg->vconn_oc_lock); return rc; } static int _smblib_vconn_regulator_disable(struct regulator_dev *rdev) { struct smb_charger *chg = rdev_get_drvdata(rdev); int rc = 0; smblib_dbg(chg, PR_OTG, "disabling VCONN\n"); rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, VCONN_EN_VALUE_BIT, 0); if (rc < 0) smblib_err(chg, "Couldn't disable vconn regulator rc=%d\n", rc); return rc; } int smblib_vconn_regulator_disable(struct regulator_dev *rdev) { struct smb_charger *chg = rdev_get_drvdata(rdev); int rc = 0; mutex_lock(&chg->vconn_oc_lock); if (!chg->vconn_en) goto unlock; rc = _smblib_vconn_regulator_disable(rdev); if (rc >= 0) chg->vconn_en = false; unlock: mutex_unlock(&chg->vconn_oc_lock); return rc; } int smblib_vconn_regulator_is_enabled(struct regulator_dev *rdev) { struct smb_charger *chg = rdev_get_drvdata(rdev); int ret; mutex_lock(&chg->vconn_oc_lock); ret = chg->vconn_en; mutex_unlock(&chg->vconn_oc_lock); return ret; } /***************** * OTG REGULATOR * *****************/ #define MAX_RETRY 15 #define MIN_DELAY_US 2000 #define MAX_DELAY_US 9000 static int otg_current[] = {250000, 500000, 1000000, 1500000}; static int smblib_enable_otg_wa(struct smb_charger *chg) { u8 stat; int rc, i, retry_count = 0, min_delay = MIN_DELAY_US; for (i = 0; i < ARRAY_SIZE(otg_current); i++) { smblib_dbg(chg, PR_OTG, "enabling OTG with %duA\n", otg_current[i]); rc = smblib_set_charge_param(chg, &chg->param.otg_cl, otg_current[i]); if (rc < 0) { smblib_err(chg, "Couldn't set otg limit rc=%d\n", rc); return rc; } rc = smblib_write(chg, CMD_OTG_REG, OTG_EN_BIT); if (rc < 0) { smblib_err(chg, "Couldn't enable OTG rc=%d\n", rc); return rc; } retry_count = 0; min_delay = MIN_DELAY_US; do { usleep_range(min_delay, min_delay + 100); rc = smblib_read(chg, OTG_STATUS_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read OTG status rc=%d\n", rc); goto out; } if (stat & BOOST_SOFTSTART_DONE_BIT) { rc = smblib_set_charge_param(chg, &chg->param.otg_cl, chg->otg_cl_ua); if (rc < 0) { smblib_err(chg, "Couldn't set otg limit rc=%d\n", rc); goto out; } break; } /* increase the delay for following iterations */ if (retry_count > 5) min_delay = MAX_DELAY_US; } while (retry_count++ < MAX_RETRY); if (retry_count >= MAX_RETRY) { smblib_dbg(chg, PR_OTG, "OTG enable failed with %duA\n", otg_current[i]); rc = smblib_write(chg, CMD_OTG_REG, 0); if (rc < 0) { smblib_err(chg, "disable OTG rc=%d\n", rc); goto out; } } else { smblib_dbg(chg, PR_OTG, "OTG enabled\n"); return 0; } } if (i == ARRAY_SIZE(otg_current)) { rc = -EINVAL; goto out; } return 0; out: smblib_write(chg, CMD_OTG_REG, 0); return rc; } static int _smblib_vbus_regulator_enable(struct regulator_dev *rdev) { struct smb_charger *chg = rdev_get_drvdata(rdev); int rc; smblib_dbg(chg, PR_OTG, "halt 1 in 8 mode\n"); rc = smblib_masked_write(chg, OTG_ENG_OTG_CFG_REG, ENG_BUCKBOOST_HALT1_8_MODE_BIT, ENG_BUCKBOOST_HALT1_8_MODE_BIT); if (rc < 0) { smblib_err(chg, "Couldn't set OTG_ENG_OTG_CFG_REG rc=%d\n", rc); return rc; } smblib_dbg(chg, PR_OTG, "enabling OTG\n"); if (chg->wa_flags & OTG_WA) { rc = smblib_enable_otg_wa(chg); if (rc < 0) smblib_err(chg, "Couldn't enable OTG rc=%d\n", rc); } else { rc = smblib_write(chg, CMD_OTG_REG, OTG_EN_BIT); if (rc < 0) smblib_err(chg, "Couldn't enable OTG rc=%d\n", rc); } return rc; } int smblib_vbus_regulator_enable(struct regulator_dev *rdev) { struct smb_charger *chg = rdev_get_drvdata(rdev); int rc = 0; mutex_lock(&chg->otg_oc_lock); if (chg->otg_en) goto unlock; if (!chg->usb_icl_votable) { chg->usb_icl_votable = find_votable("USB_ICL"); if (!chg->usb_icl_votable) return -EINVAL; } vote(chg->usb_icl_votable, USBIN_USBIN_BOOST_VOTER, true, 0); rc = _smblib_vbus_regulator_enable(rdev); if (rc >= 0) chg->otg_en = true; unlock: mutex_unlock(&chg->otg_oc_lock); return rc; } static int _smblib_vbus_regulator_disable(struct regulator_dev *rdev) { struct smb_charger *chg = rdev_get_drvdata(rdev); int rc; if (chg->wa_flags & OTG_WA) { /* set OTG current limit to minimum value */ rc = smblib_set_charge_param(chg, &chg->param.otg_cl, chg->param.otg_cl.min_u); if (rc < 0) { smblib_err(chg, "Couldn't set otg current limit rc=%d\n", rc); return rc; } } smblib_dbg(chg, PR_OTG, "disabling OTG\n"); rc = smblib_write(chg, CMD_OTG_REG, 0); if (rc < 0) { smblib_err(chg, "Couldn't disable OTG regulator rc=%d\n", rc); return rc; } smblib_dbg(chg, PR_OTG, "start 1 in 8 mode\n"); rc = smblib_masked_write(chg, OTG_ENG_OTG_CFG_REG, ENG_BUCKBOOST_HALT1_8_MODE_BIT, 0); if (rc < 0) { smblib_err(chg, "Couldn't set OTG_ENG_OTG_CFG_REG rc=%d\n", rc); return rc; } return 0; } int smblib_vbus_regulator_disable(struct regulator_dev *rdev) { struct smb_charger *chg = rdev_get_drvdata(rdev); int rc = 0; mutex_lock(&chg->otg_oc_lock); if (!chg->otg_en) goto unlock; rc = _smblib_vbus_regulator_disable(rdev); if (rc >= 0) chg->otg_en = false; if (chg->usb_icl_votable) vote(chg->usb_icl_votable, USBIN_USBIN_BOOST_VOTER, false, 0); unlock: mutex_unlock(&chg->otg_oc_lock); return rc; } int smblib_vbus_regulator_is_enabled(struct regulator_dev *rdev) { struct smb_charger *chg = rdev_get_drvdata(rdev); int ret; mutex_lock(&chg->otg_oc_lock); ret = chg->otg_en; mutex_unlock(&chg->otg_oc_lock); return ret; } /******************** * BATT PSY GETTERS * ********************/ int smblib_get_prop_input_suspend(struct smb_charger *chg, union power_supply_propval *val) { val->intval = (get_client_vote(chg->usb_icl_votable, USER_VOTER) == 0) && get_client_vote(chg->dc_suspend_votable, USER_VOTER); return 0; } int smblib_get_prop_batt_present(struct smb_charger *chg, union power_supply_propval *val) { int rc; u8 stat; rc = smblib_read(chg, BATIF_BASE + INT_RT_STS_OFFSET, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read BATIF_INT_RT_STS rc=%d\n", rc); return rc; } val->intval = !(stat & (BAT_THERM_OR_ID_MISSING_RT_STS_BIT | BAT_TERMINAL_MISSING_RT_STS_BIT)); return rc; } int smblib_get_prop_batt_capacity(struct smb_charger *chg, union power_supply_propval *val) { int rc = -EINVAL; if (chg->fake_capacity >= 0) { val->intval = chg->fake_capacity; return 0; } if (chg->bms_psy) rc = power_supply_get_property(chg->bms_psy, POWER_SUPPLY_PROP_CAPACITY, val); return rc; } int smblib_get_prop_batt_status(struct smb_charger *chg, union power_supply_propval *val) { union power_supply_propval pval = {0, }; bool usb_online, dc_online; u8 stat; int rc; rc = smblib_get_prop_usb_online(chg, &pval); if (rc < 0) { smblib_err(chg, "Couldn't get usb online property rc=%d\n", rc); return rc; } usb_online = (bool)pval.intval; rc = smblib_get_prop_dc_online(chg, &pval); if (rc < 0) { smblib_err(chg, "Couldn't get dc online property rc=%d\n", rc); return rc; } dc_online = (bool)pval.intval; rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n", rc); return rc; } stat = stat & BATTERY_CHARGER_STATUS_MASK; if (!usb_online && !dc_online) { switch (stat) { case TERMINATE_CHARGE: case INHIBIT_CHARGE: val->intval = POWER_SUPPLY_STATUS_FULL; break; default: val->intval = POWER_SUPPLY_STATUS_DISCHARGING; break; } return rc; } switch (stat) { case TRICKLE_CHARGE: case PRE_CHARGE: case FAST_CHARGE: case FULLON_CHARGE: case TAPER_CHARGE: val->intval = POWER_SUPPLY_STATUS_CHARGING; break; case TERMINATE_CHARGE: case INHIBIT_CHARGE: val->intval = POWER_SUPPLY_STATUS_FULL; break; case DISABLE_CHARGE: val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; break; default: val->intval = POWER_SUPPLY_STATUS_UNKNOWN; break; } if (val->intval != POWER_SUPPLY_STATUS_CHARGING) return 0; rc = smblib_read(chg, BATTERY_CHARGER_STATUS_7_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n", rc); return rc; } stat &= ENABLE_TRICKLE_BIT | ENABLE_PRE_CHARGING_BIT | ENABLE_FAST_CHARGING_BIT | ENABLE_FULLON_MODE_BIT; if (!stat) val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; return 0; } int smblib_get_prop_batt_charge_type(struct smb_charger *chg, union power_supply_propval *val) { int rc; u8 stat; rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n", rc); return rc; } switch (stat & BATTERY_CHARGER_STATUS_MASK) { case TRICKLE_CHARGE: case PRE_CHARGE: val->intval = POWER_SUPPLY_CHARGE_TYPE_TRICKLE; break; case FAST_CHARGE: case FULLON_CHARGE: val->intval = POWER_SUPPLY_CHARGE_TYPE_FAST; break; case TAPER_CHARGE: val->intval = POWER_SUPPLY_CHARGE_TYPE_TAPER; break; default: val->intval = POWER_SUPPLY_CHARGE_TYPE_NONE; } return rc; } int smblib_get_prop_batt_health(struct smb_charger *chg, union power_supply_propval *val) { union power_supply_propval pval; int rc; int effective_fv_uv; u8 stat; rc = smblib_read(chg, BATTERY_CHARGER_STATUS_2_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n", rc); return rc; } smblib_dbg(chg, PR_REGISTER, "BATTERY_CHARGER_STATUS_2 = 0x%02x\n", stat); if (stat & CHARGER_ERROR_STATUS_BAT_OV_BIT) { rc = smblib_get_prop_from_bms(chg, POWER_SUPPLY_PROP_VOLTAGE_NOW, &pval); if (!rc) { /* * If Vbatt is within 40mV above Vfloat, then don't * treat it as overvoltage. */ effective_fv_uv = get_effective_result(chg->fv_votable); if (pval.intval >= effective_fv_uv + 40000) { val->intval = POWER_SUPPLY_HEALTH_OVERVOLTAGE; smblib_err(chg, "battery over-voltage vbat_fg = %duV, fv = %duV\n", pval.intval, effective_fv_uv); goto done; } } } if (stat & BAT_TEMP_STATUS_TOO_COLD_BIT) val->intval = POWER_SUPPLY_HEALTH_COLD; else if (stat & BAT_TEMP_STATUS_TOO_HOT_BIT) val->intval = POWER_SUPPLY_HEALTH_OVERHEAT; else if (stat & BAT_TEMP_STATUS_COLD_SOFT_LIMIT_BIT) val->intval = POWER_SUPPLY_HEALTH_COOL; else if (stat & BAT_TEMP_STATUS_HOT_SOFT_LIMIT_BIT) val->intval = POWER_SUPPLY_HEALTH_WARM; else val->intval = POWER_SUPPLY_HEALTH_GOOD; done: return rc; } int smblib_get_prop_system_temp_level(struct smb_charger *chg, union power_supply_propval *val) { val->intval = chg->system_temp_level; return 0; } int smblib_get_prop_input_current_limited(struct smb_charger *chg, union power_supply_propval *val) { u8 stat; int rc; if (chg->fake_input_current_limited >= 0) { val->intval = chg->fake_input_current_limited; return 0; } rc = smblib_read(chg, AICL_STATUS_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read AICL_STATUS rc=%d\n", rc); return rc; } val->intval = (stat & SOFT_ILIMIT_BIT) || chg->is_hdc; return 0; } int smblib_get_prop_batt_charge_done(struct smb_charger *chg, union power_supply_propval *val) { int rc; u8 stat; rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n", rc); return rc; } stat = stat & BATTERY_CHARGER_STATUS_MASK; val->intval = (stat == TERMINATE_CHARGE); return 0; } int smblib_get_prop_charge_qnovo_enable(struct smb_charger *chg, union power_supply_propval *val) { int rc; u8 stat; rc = smblib_read(chg, QNOVO_PT_ENABLE_CMD_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read QNOVO_PT_ENABLE_CMD rc=%d\n", rc); return rc; } val->intval = (bool)(stat & QNOVO_PT_ENABLE_CMD_BIT); return 0; } int smblib_get_prop_from_bms(struct smb_charger *chg, enum power_supply_property psp, union power_supply_propval *val) { int rc; if (!chg->bms_psy) return -EINVAL; rc = power_supply_get_property(chg->bms_psy, psp, val); return rc; } /*********************** * BATTERY PSY SETTERS * ***********************/ int smblib_set_prop_input_suspend(struct smb_charger *chg, const union power_supply_propval *val) { int rc; /* vote 0mA when suspended */ rc = vote(chg->usb_icl_votable, USER_VOTER, (bool)val->intval, 0); if (rc < 0) { smblib_err(chg, "Couldn't vote to %s USB rc=%d\n", (bool)val->intval ? "suspend" : "resume", rc); return rc; } rc = vote(chg->dc_suspend_votable, USER_VOTER, (bool)val->intval, 0); if (rc < 0) { smblib_err(chg, "Couldn't vote to %s DC rc=%d\n", (bool)val->intval ? "suspend" : "resume", rc); return rc; } power_supply_changed(&chg->batt_psy); return rc; } int smblib_set_prop_batt_capacity(struct smb_charger *chg, const union power_supply_propval *val) { chg->fake_capacity = val->intval; power_supply_changed(&chg->batt_psy); return 0; } int smblib_set_prop_system_temp_level(struct smb_charger *chg, const union power_supply_propval *val) { if (val->intval < 0) return -EINVAL; if (chg->thermal_levels <= 0) return -EINVAL; if (val->intval > chg->thermal_levels) return -EINVAL; chg->system_temp_level = val->intval; /* disable parallel charge in case of system temp level */ vote(chg->pl_disable_votable, THERMAL_DAEMON_VOTER, chg->system_temp_level ? true : false, 0); if (chg->system_temp_level == chg->thermal_levels) return vote(chg->chg_disable_votable, THERMAL_DAEMON_VOTER, true, 0); vote(chg->chg_disable_votable, THERMAL_DAEMON_VOTER, false, 0); if (chg->system_temp_level == 0) return vote(chg->fcc_votable, THERMAL_DAEMON_VOTER, false, 0); vote(chg->fcc_votable, THERMAL_DAEMON_VOTER, true, chg->thermal_mitigation[chg->system_temp_level]); return 0; } int smblib_set_prop_charge_qnovo_enable(struct smb_charger *chg, const union power_supply_propval *val) { int rc = 0; rc = smblib_masked_write(chg, QNOVO_PT_ENABLE_CMD_REG, QNOVO_PT_ENABLE_CMD_BIT, val->intval ? QNOVO_PT_ENABLE_CMD_BIT : 0); if (rc < 0) { dev_err(chg->dev, "Couldn't enable qnovo rc=%d\n", rc); return rc; } return rc; } int smblib_set_prop_input_current_limited(struct smb_charger *chg, const union power_supply_propval *val) { chg->fake_input_current_limited = val->intval; return 0; } int smblib_rerun_aicl(struct smb_charger *chg) { int rc, settled_icl_ua; u8 stat; rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n", rc); return rc; } /* USB is suspended so skip re-running AICL */ if (stat & USBIN_SUSPEND_STS_BIT) return rc; smblib_dbg(chg, PR_MISC, "re-running AICL\n"); rc = smblib_get_charge_param(chg, &chg->param.icl_stat, &settled_icl_ua); if (rc < 0) { smblib_err(chg, "Couldn't get settled ICL rc=%d\n", rc); return rc; } vote(chg->usb_icl_votable, AICL_RERUN_VOTER, true, max(settled_icl_ua - chg->param.usb_icl.step_u, chg->param.usb_icl.step_u)); vote(chg->usb_icl_votable, AICL_RERUN_VOTER, false, 0); return 0; } static int smblib_dp_pulse(struct smb_charger *chg) { int rc; /* QC 3.0 increment */ rc = smblib_masked_write(chg, CMD_HVDCP_2_REG, SINGLE_INCREMENT_BIT, SINGLE_INCREMENT_BIT); if (rc < 0) smblib_err(chg, "Couldn't write to CMD_HVDCP_2_REG rc=%d\n", rc); return rc; } static int smblib_dm_pulse(struct smb_charger *chg) { int rc; /* QC 3.0 decrement */ rc = smblib_masked_write(chg, CMD_HVDCP_2_REG, SINGLE_DECREMENT_BIT, SINGLE_DECREMENT_BIT); if (rc < 0) smblib_err(chg, "Couldn't write to CMD_HVDCP_2_REG rc=%d\n", rc); return rc; } int smblib_dp_dm(struct smb_charger *chg, int val) { int target_icl_ua, rc = 0; union power_supply_propval pval; switch (val) { case POWER_SUPPLY_DP_DM_DP_PULSE: rc = smblib_dp_pulse(chg); if (!rc) chg->pulse_cnt++; smblib_dbg(chg, PR_PARALLEL, "DP_DM_DP_PULSE rc=%d cnt=%d\n", rc, chg->pulse_cnt); break; case POWER_SUPPLY_DP_DM_DM_PULSE: rc = smblib_dm_pulse(chg); if (!rc && chg->pulse_cnt) chg->pulse_cnt--; smblib_dbg(chg, PR_PARALLEL, "DP_DM_DM_PULSE rc=%d cnt=%d\n", rc, chg->pulse_cnt); break; case POWER_SUPPLY_DP_DM_ICL_DOWN: target_icl_ua = get_effective_result(chg->usb_icl_votable); if (target_icl_ua < 0) { /* no client vote, get the ICL from charger */ rc = power_supply_get_property(chg->usb_psy, POWER_SUPPLY_PROP_HW_CURRENT_MAX, &pval); if (rc < 0) { smblib_err(chg, "Couldn't get max current rc=%d\n", rc); return rc; } target_icl_ua = pval.intval; } /* * Check if any other voter voted on USB_ICL in case of * voter other than SW_QC3_VOTER reset and restart reduction * again. */ if (target_icl_ua != get_client_vote(chg->usb_icl_votable, SW_QC3_VOTER)) chg->usb_icl_delta_ua = 0; chg->usb_icl_delta_ua += 100000; vote(chg->usb_icl_votable, SW_QC3_VOTER, true, target_icl_ua - 100000); smblib_dbg(chg, PR_PARALLEL, "ICL DOWN ICL=%d reduction=%d\n", target_icl_ua, chg->usb_icl_delta_ua); break; case POWER_SUPPLY_DP_DM_ICL_UP: if (target_icl_ua != get_client_vote(chg->usb_icl_votable, SW_QC3_VOTER)) chg->usb_icl_delta_ua = 0; chg->usb_icl_delta_ua -= 100000; vote(chg->usb_icl_votable, SW_QC3_VOTER, true, target_icl_ua - 100000); smblib_dbg(chg, PR_PARALLEL, "ICL DOWN ICL=%d reduction=%d\n", target_icl_ua, chg->usb_icl_delta_ua); default: break; } return rc; } /******************* * DC PSY GETTERS * *******************/ int smblib_get_prop_dc_present(struct smb_charger *chg, union power_supply_propval *val) { int rc; u8 stat; rc = smblib_read(chg, DCIN_BASE + INT_RT_STS_OFFSET, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read DCIN_RT_STS rc=%d\n", rc); return rc; } val->intval = (bool)(stat & DCIN_PLUGIN_RT_STS_BIT); return 0; } int smblib_get_prop_dc_online(struct smb_charger *chg, union power_supply_propval *val) { int rc = 0; u8 stat; if (get_client_vote(chg->dc_suspend_votable, USER_VOTER)) { val->intval = false; return rc; } rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n", rc); return rc; } smblib_dbg(chg, PR_REGISTER, "POWER_PATH_STATUS = 0x%02x\n", stat); val->intval = (stat & USE_DCIN_BIT) && (stat & VALID_INPUT_POWER_SOURCE_STS_BIT); return rc; } int smblib_get_prop_dc_current_max(struct smb_charger *chg, union power_supply_propval *val) { val->intval = get_effective_result_locked(chg->dc_icl_votable); return 0; } /******************* * DC PSY SETTERS * * *****************/ int smblib_set_prop_dc_current_max(struct smb_charger *chg, const union power_supply_propval *val) { int rc; rc = vote(chg->dc_icl_votable, USER_VOTER, true, val->intval); return rc; } /******************* * USB PSY GETTERS * *******************/ int smblib_get_prop_usb_present(struct smb_charger *chg, union power_supply_propval *val) { int rc; u8 stat; rc = smblib_read(chg, USBIN_BASE + INT_RT_STS_OFFSET, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read USBIN_RT_STS rc=%d\n", rc); return rc; } val->intval = (bool)(stat & USBIN_PLUGIN_RT_STS_BIT); return 0; } int smblib_get_prop_usb_online(struct smb_charger *chg, union power_supply_propval *val) { int rc = 0; u8 stat; if (get_client_vote_locked(chg->usb_icl_votable, USER_VOTER) == 0) { val->intval = false; return rc; } rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n", rc); return rc; } smblib_dbg(chg, PR_REGISTER, "POWER_PATH_STATUS = 0x%02x\n", stat); val->intval = (stat & USE_USBIN_BIT) && (stat & VALID_INPUT_POWER_SOURCE_STS_BIT); return rc; } int smblib_get_prop_usb_voltage_now(struct smb_charger *chg, union power_supply_propval *val) { if (!chg->iio.usbin_v_chan || PTR_ERR(chg->iio.usbin_v_chan) == -EPROBE_DEFER) chg->iio.usbin_v_chan = iio_channel_get(chg->dev, "usbin_v"); if (IS_ERR(chg->iio.usbin_v_chan)) return PTR_ERR(chg->iio.usbin_v_chan); return iio_read_channel_processed(chg->iio.usbin_v_chan, &val->intval); } int smblib_get_prop_pd_current_max(struct smb_charger *chg, union power_supply_propval *val) { val->intval = get_client_vote_locked(chg->usb_icl_votable, PD_VOTER); return 0; } int smblib_get_prop_usb_current_max(struct smb_charger *chg, union power_supply_propval *val) { val->intval = get_client_vote_locked(chg->usb_icl_votable, USB_PSY_VOTER); return 0; } int smblib_get_prop_usb_current_now(struct smb_charger *chg, union power_supply_propval *val) { int rc = 0; rc = smblib_get_prop_usb_present(chg, val); if (rc < 0 || !val->intval) return rc; if (!chg->iio.usbin_i_chan || PTR_ERR(chg->iio.usbin_i_chan) == -EPROBE_DEFER) chg->iio.usbin_i_chan = iio_channel_get(chg->dev, "usbin_i"); if (IS_ERR(chg->iio.usbin_i_chan)) return PTR_ERR(chg->iio.usbin_i_chan); return iio_read_channel_processed(chg->iio.usbin_i_chan, &val->intval); } int smblib_get_prop_charger_temp(struct smb_charger *chg, union power_supply_propval *val) { int rc; if (!chg->iio.temp_chan || PTR_ERR(chg->iio.temp_chan) == -EPROBE_DEFER) chg->iio.temp_chan = iio_channel_get(chg->dev, "charger_temp"); if (IS_ERR(chg->iio.temp_chan)) return PTR_ERR(chg->iio.temp_chan); rc = iio_read_channel_processed(chg->iio.temp_chan, &val->intval); val->intval /= 100; return rc; } int smblib_get_prop_charger_temp_max(struct smb_charger *chg, union power_supply_propval *val) { int rc; if (!chg->iio.temp_max_chan || PTR_ERR(chg->iio.temp_max_chan) == -EPROBE_DEFER) chg->iio.temp_max_chan = iio_channel_get(chg->dev, "charger_temp_max"); if (IS_ERR(chg->iio.temp_max_chan)) return PTR_ERR(chg->iio.temp_max_chan); rc = iio_read_channel_processed(chg->iio.temp_max_chan, &val->intval); val->intval /= 100; return rc; } int smblib_get_prop_typec_cc_orientation(struct smb_charger *chg, union power_supply_propval *val) { if (chg->typec_status[3] & CC_ATTACHED_BIT) val->intval = (bool)(chg->typec_status[3] & CC_ORIENTATION_BIT) + 1; else val->intval = 0; return 0; } static const char * const smblib_typec_mode_name[] = { [POWER_SUPPLY_TYPEC_NONE] = "NONE", [POWER_SUPPLY_TYPEC_SOURCE_DEFAULT] = "SOURCE_DEFAULT", [POWER_SUPPLY_TYPEC_SOURCE_MEDIUM] = "SOURCE_MEDIUM", [POWER_SUPPLY_TYPEC_SOURCE_HIGH] = "SOURCE_HIGH", [POWER_SUPPLY_TYPEC_NON_COMPLIANT] = "NON_COMPLIANT", [POWER_SUPPLY_TYPEC_SINK] = "SINK", [POWER_SUPPLY_TYPEC_SINK_POWERED_CABLE] = "SINK_POWERED_CABLE", [POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY] = "SINK_DEBUG_ACCESSORY", [POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER] = "SINK_AUDIO_ADAPTER", [POWER_SUPPLY_TYPEC_POWERED_CABLE_ONLY] = "POWERED_CABLE_ONLY", }; static int smblib_get_prop_ufp_mode(struct smb_charger *chg) { switch (chg->typec_status[0]) { case UFP_TYPEC_RDSTD_BIT: return POWER_SUPPLY_TYPEC_SOURCE_DEFAULT; case UFP_TYPEC_RD1P5_BIT: return POWER_SUPPLY_TYPEC_SOURCE_MEDIUM; case UFP_TYPEC_RD3P0_BIT: return POWER_SUPPLY_TYPEC_SOURCE_HIGH; default: break; } return POWER_SUPPLY_TYPEC_NONE; } static int smblib_get_prop_dfp_mode(struct smb_charger *chg) { switch (chg->typec_status[1] & DFP_TYPEC_MASK) { case DFP_RA_RA_BIT: return POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER; case DFP_RD_RD_BIT: return POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY; case DFP_RD_RA_VCONN_BIT: return POWER_SUPPLY_TYPEC_SINK_POWERED_CABLE; case DFP_RD_OPEN_BIT: return POWER_SUPPLY_TYPEC_SINK; default: break; } return POWER_SUPPLY_TYPEC_NONE; } static int smblib_get_prop_typec_mode(struct smb_charger *chg) { if (chg->typec_status[3] & UFP_DFP_MODE_STATUS_BIT) return smblib_get_prop_dfp_mode(chg); else return smblib_get_prop_ufp_mode(chg); } int smblib_get_prop_typec_power_role(struct smb_charger *chg, union power_supply_propval *val) { int rc = 0; u8 ctrl; rc = smblib_read(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, &ctrl); if (rc < 0) { smblib_err(chg, "Couldn't read TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n", rc); return rc; } smblib_dbg(chg, PR_REGISTER, "TYPE_C_INTRPT_ENB_SOFTWARE_CTRL = 0x%02x\n", ctrl); if (ctrl & TYPEC_DISABLE_CMD_BIT) { val->intval = POWER_SUPPLY_TYPEC_PR_NONE; return rc; } switch (ctrl & (DFP_EN_CMD_BIT | UFP_EN_CMD_BIT)) { case 0: val->intval = POWER_SUPPLY_TYPEC_PR_DUAL; break; case DFP_EN_CMD_BIT: val->intval = POWER_SUPPLY_TYPEC_PR_SOURCE; break; case UFP_EN_CMD_BIT: val->intval = POWER_SUPPLY_TYPEC_PR_SINK; break; default: val->intval = POWER_SUPPLY_TYPEC_PR_NONE; smblib_err(chg, "unsupported power role 0x%02lx\n", ctrl & (DFP_EN_CMD_BIT | UFP_EN_CMD_BIT)); return -EINVAL; } return rc; } int smblib_get_prop_pd_allowed(struct smb_charger *chg, union power_supply_propval *val) { val->intval = get_effective_result(chg->pd_allowed_votable); return 0; } int smblib_get_prop_input_current_settled(struct smb_charger *chg, union power_supply_propval *val) { return smblib_get_charge_param(chg, &chg->param.icl_stat, &val->intval); } #define HVDCP3_STEP_UV 200000 int smblib_get_prop_input_voltage_settled(struct smb_charger *chg, union power_supply_propval *val) { int rc, pulses; switch (chg->real_charger_type) { case POWER_SUPPLY_TYPE_USB_HVDCP_3: rc = smblib_get_pulse_cnt(chg, &pulses); if (rc < 0) { smblib_err(chg, "Couldn't read QC_PULSE_COUNT rc=%d\n", rc); return 0; } val->intval = MICRO_5V + HVDCP3_STEP_UV * pulses; break; case POWER_SUPPLY_TYPE_USB_PD: val->intval = chg->voltage_min_uv; break; default: val->intval = MICRO_5V; break; } return 0; } int smblib_get_prop_pd_in_hard_reset(struct smb_charger *chg, union power_supply_propval *val) { val->intval = chg->pd_hard_reset; return 0; } int smblib_get_pe_start(struct smb_charger *chg, union power_supply_propval *val) { /* * hvdcp timeout voter is the last one to allow pd. Use its vote * to indicate start of pe engine */ val->intval = !get_client_vote_locked(chg->pd_disallowed_votable_indirect, HVDCP_TIMEOUT_VOTER); return 0; } int smblib_get_prop_die_health(struct smb_charger *chg, union power_supply_propval *val) { int rc; u8 stat; rc = smblib_read(chg, TEMP_RANGE_STATUS_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read TEMP_RANGE_STATUS_REG rc=%d\n", rc); return rc; } /* TEMP_RANGE bits are mutually exclusive */ switch (stat & TEMP_RANGE_MASK) { case TEMP_BELOW_RANGE_BIT: val->intval = POWER_SUPPLY_HEALTH_COOL; break; case TEMP_WITHIN_RANGE_BIT: val->intval = POWER_SUPPLY_HEALTH_WARM; break; case TEMP_ABOVE_RANGE_BIT: val->intval = POWER_SUPPLY_HEALTH_HOT; break; case ALERT_LEVEL_BIT: val->intval = POWER_SUPPLY_HEALTH_OVERHEAT; break; default: val->intval = POWER_SUPPLY_HEALTH_UNKNOWN; } return 0; } #define SDP_CURRENT_UA 500000 #define CDP_CURRENT_UA 1500000 #define DCP_CURRENT_UA 1500000 #define HVDCP_CURRENT_UA 3000000 #define TYPEC_DEFAULT_CURRENT_UA 900000 #define TYPEC_MEDIUM_CURRENT_UA 1500000 #define TYPEC_HIGH_CURRENT_UA 3000000 static int get_rp_based_dcp_current(struct smb_charger *chg, int typec_mode) { int rp_ua; switch (typec_mode) { case POWER_SUPPLY_TYPEC_SOURCE_HIGH: rp_ua = TYPEC_HIGH_CURRENT_UA; break; case POWER_SUPPLY_TYPEC_SOURCE_MEDIUM: case POWER_SUPPLY_TYPEC_SOURCE_DEFAULT: /* fall through */ default: rp_ua = DCP_CURRENT_UA; } return rp_ua; } /******************* * USB PSY SETTERS * * *****************/ int smblib_set_prop_pd_current_max(struct smb_charger *chg, const union power_supply_propval *val) { int rc; if (chg->pd_active) rc = vote(chg->usb_icl_votable, PD_VOTER, true, val->intval); else rc = -EPERM; return rc; } static int smblib_handle_usb_current(struct smb_charger *chg, int usb_current) { int rc = 0, rp_ua, typec_mode; if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB_FLOAT) { if (usb_current == -ETIMEDOUT) { /* * Valid FLOAT charger, report the current based * of Rp */ typec_mode = smblib_get_prop_typec_mode(chg); rp_ua = get_rp_based_dcp_current(chg, typec_mode); rc = vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, true, rp_ua); if (rc < 0) return rc; } else { /* * FLOAT charger detected as SDP by USB driver, * charge with the requested current and update the * real_charger_type */ chg->real_charger_type = POWER_SUPPLY_TYPE_USB; rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, true, usb_current); if (rc < 0) return rc; rc = vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, false, 0); if (rc < 0) return rc; } } else { rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, true, usb_current); } return rc; } int smblib_set_prop_usb_current_max(struct smb_charger *chg, const union power_supply_propval *val) { int rc = 0; if (!chg->pd_active) { rc = smblib_handle_usb_current(chg, val->intval); } else if (chg->system_suspend_supported) { if (val->intval <= USBIN_25MA) rc = vote(chg->usb_icl_votable, PD_SUSPEND_SUPPORTED_VOTER, true, val->intval); else rc = vote(chg->usb_icl_votable, PD_SUSPEND_SUPPORTED_VOTER, false, 0); } return rc; } int smblib_set_prop_boost_current(struct smb_charger *chg, const union power_supply_propval *val) { int rc = 0; rc = smblib_set_charge_param(chg, &chg->param.freq_boost, val->intval <= chg->boost_threshold_ua ? chg->chg_freq.freq_below_otg_threshold : chg->chg_freq.freq_above_otg_threshold); if (rc < 0) { dev_err(chg->dev, "Error in setting freq_boost rc=%d\n", rc); return rc; } chg->boost_current_ua = val->intval; return rc; } int smblib_set_prop_typec_power_role(struct smb_charger *chg, const union power_supply_propval *val) { int rc = 0; u8 power_role; switch (val->intval) { case POWER_SUPPLY_TYPEC_PR_NONE: power_role = TYPEC_DISABLE_CMD_BIT; break; case POWER_SUPPLY_TYPEC_PR_DUAL: power_role = 0; break; case POWER_SUPPLY_TYPEC_PR_SINK: power_role = UFP_EN_CMD_BIT; break; case POWER_SUPPLY_TYPEC_PR_SOURCE: power_role = DFP_EN_CMD_BIT; break; default: smblib_err(chg, "power role %d not supported\n", val->intval); return -EINVAL; } if (power_role == UFP_EN_CMD_BIT) { /* disable PBS workaround when forcing sink mode */ rc = smblib_write(chg, TM_IO_DTEST4_SEL, 0x0); if (rc < 0) { smblib_err(chg, "Couldn't write to TM_IO_DTEST4_SEL rc=%d\n", rc); } } else { /* restore it back to 0xA5 */ rc = smblib_write(chg, TM_IO_DTEST4_SEL, 0xA5); if (rc < 0) { smblib_err(chg, "Couldn't write to TM_IO_DTEST4_SEL rc=%d\n", rc); } } rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, TYPEC_POWER_ROLE_CMD_MASK, power_role); if (rc < 0) { smblib_err(chg, "Couldn't write 0x%02x to TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n", power_role, rc); return rc; } return rc; } int smblib_set_prop_usb_voltage_min(struct smb_charger *chg, const union power_supply_propval *val) { int rc, min_uv; min_uv = min(val->intval, chg->voltage_max_uv); rc = smblib_set_usb_pd_allowed_voltage(chg, min_uv, chg->voltage_max_uv); if (rc < 0) { smblib_err(chg, "invalid max voltage %duV rc=%d\n", val->intval, rc); return rc; } chg->voltage_min_uv = min_uv; power_supply_changed(&chg->usb_main_psy); return rc; } int smblib_set_prop_usb_voltage_max(struct smb_charger *chg, const union power_supply_propval *val) { int rc, max_uv; max_uv = max(val->intval, chg->voltage_min_uv); rc = smblib_set_usb_pd_allowed_voltage(chg, chg->voltage_min_uv, max_uv); if (rc < 0) { smblib_err(chg, "invalid min voltage %duV rc=%d\n", val->intval, rc); return rc; } chg->voltage_max_uv = max_uv; return rc; } static int __smblib_set_prop_pd_active(struct smb_charger *chg, bool pd_active) { int rc; bool orientation, sink_attached, hvdcp; u8 stat; chg->pd_active = pd_active; if (chg->pd_active) { vote(chg->apsd_disable_votable, PD_VOTER, true, 0); vote(chg->pd_allowed_votable, PD_VOTER, true, 0); vote(chg->usb_irq_enable_votable, PD_VOTER, true, 0); /* * VCONN_EN_ORIENTATION_BIT controls whether to use CC1 or CC2 * line when TYPEC_SPARE_CFG_BIT (CC pin selection s/w override) * is set or when VCONN_EN_VALUE_BIT is set. */ orientation = chg->typec_status[3] & CC_ORIENTATION_BIT; rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, VCONN_EN_ORIENTATION_BIT, orientation ? 0 : VCONN_EN_ORIENTATION_BIT); if (rc < 0) smblib_err(chg, "Couldn't enable vconn on CC line rc=%d\n", rc); /* SW controlled CC_OUT */ rc = smblib_masked_write(chg, TAPER_TIMER_SEL_CFG_REG, TYPEC_SPARE_CFG_BIT, TYPEC_SPARE_CFG_BIT); if (rc < 0) smblib_err(chg, "Couldn't enable SW cc_out rc=%d\n", rc); /* * Enforce 500mA for PD until the real vote comes in later. * It is guaranteed that pd_active is set prior to * pd_current_max */ rc = vote(chg->usb_icl_votable, PD_VOTER, true, USBIN_500MA); if (rc < 0) smblib_err(chg, "Couldn't vote for USB ICL rc=%d\n", rc); /* since PD was found the cable must be non-legacy */ vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, false, 0); /* clear USB ICL vote for DCP_VOTER */ rc = vote(chg->usb_icl_votable, DCP_VOTER, false, 0); if (rc < 0) smblib_err(chg, "Couldn't un-vote DCP from USB ICL rc=%d\n", rc); /* remove USB_PSY_VOTER */ rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0); if (rc < 0) smblib_err(chg, "Couldn't unvote USB_PSY rc=%d\n", rc); } else { rc = smblib_read(chg, APSD_STATUS_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read APSD status rc=%d\n", rc); return rc; } hvdcp = stat & QC_CHARGER_BIT; vote(chg->apsd_disable_votable, PD_VOTER, false, 0); vote(chg->pd_allowed_votable, PD_VOTER, false, 0); vote(chg->usb_irq_enable_votable, PD_VOTER, false, 0); vote(chg->hvdcp_disable_votable_indirect, PD_INACTIVE_VOTER, false, 0); /* HW controlled CC_OUT */ rc = smblib_masked_write(chg, TAPER_TIMER_SEL_CFG_REG, TYPEC_SPARE_CFG_BIT, 0); if (rc < 0) smblib_err(chg, "Couldn't enable HW cc_out rc=%d\n", rc); /* * This WA should only run for HVDCP. Non-legacy SDP/CDP could * draw more, but this WA will remove Rd causing VBUS to drop, * and data could be interrupted. Non-legacy DCP could also draw * more, but it may impact compliance. */ sink_attached = chg->typec_status[3] & UFP_DFP_MODE_STATUS_BIT; if (!chg->typec_legacy_valid && !sink_attached && hvdcp) schedule_work(&chg->legacy_detection_work); } smblib_update_usb_type(chg); return rc; } int smblib_set_prop_pd_active(struct smb_charger *chg, const union power_supply_propval *val) { if (!get_effective_result(chg->pd_allowed_votable)) return -EINVAL; return __smblib_set_prop_pd_active(chg, val->intval); } int smblib_set_prop_ship_mode(struct smb_charger *chg, const union power_supply_propval *val) { int rc; smblib_dbg(chg, PR_MISC, "Set ship mode: %d!!\n", !!val->intval); rc = smblib_masked_write(chg, SHIP_MODE_REG, SHIP_MODE_EN_BIT, !!val->intval ? SHIP_MODE_EN_BIT : 0); if (rc < 0) dev_err(chg->dev, "Couldn't %s ship mode, rc=%d\n", !!val->intval ? "enable" : "disable", rc); return rc; } int smblib_reg_block_update(struct smb_charger *chg, struct reg_info *entry) { int rc = 0; while (entry && entry->reg) { rc = smblib_read(chg, entry->reg, &entry->bak); if (rc < 0) { dev_err(chg->dev, "Error in reading rc=%d\n", rc); break; } entry->bak &= entry->mask; rc = smblib_masked_write(chg, entry->reg, entry->mask, entry->val); if (rc < 0) { dev_err(chg->dev, "Error in writing rc=%d\n", rc); break; } entry++; } return rc; } int smblib_reg_block_restore(struct smb_charger *chg, struct reg_info *entry) { int rc = 0; while (entry && entry->reg) { rc = smblib_masked_write(chg, entry->reg, entry->mask, entry->bak); if (rc < 0) { dev_err(chg->dev, "Error in writing rc=%d\n", rc); break; } entry++; } return rc; } static struct reg_info cc2_detach_settings[] = { { .reg = TYPE_C_CFG_2_REG, .mask = TYPE_C_UFP_MODE_BIT | EN_TRY_SOURCE_MODE_BIT, .val = TYPE_C_UFP_MODE_BIT, .desc = "TYPE_C_CFG_2_REG", }, { .reg = TYPE_C_CFG_3_REG, .mask = EN_TRYSINK_MODE_BIT, .val = 0, .desc = "TYPE_C_CFG_3_REG", }, { .reg = TAPER_TIMER_SEL_CFG_REG, .mask = TYPEC_SPARE_CFG_BIT, .val = TYPEC_SPARE_CFG_BIT, .desc = "TAPER_TIMER_SEL_CFG_REG", }, { .reg = TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, .mask = VCONN_EN_ORIENTATION_BIT, .val = 0, .desc = "TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG", }, { .reg = MISC_CFG_REG, .mask = TCC_DEBOUNCE_20MS_BIT, .val = TCC_DEBOUNCE_20MS_BIT, .desc = "Tccdebounce time" }, { }, }; static int smblib_cc2_sink_removal_enter(struct smb_charger *chg) { int rc, ccout, ufp_mode; u8 stat; if ((chg->wa_flags & TYPEC_CC2_REMOVAL_WA_BIT) == 0) return 0; if (chg->cc2_detach_wa_active) return 0; rc = smblib_read(chg, TYPE_C_STATUS_4_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc); return rc; } ccout = (stat & CC_ATTACHED_BIT) ? (!!(stat & CC_ORIENTATION_BIT) + 1) : 0; ufp_mode = (stat & TYPEC_DEBOUNCE_DONE_STATUS_BIT) ? !(stat & UFP_DFP_MODE_STATUS_BIT) : 0; if (ccout != 2) return 0; if (!ufp_mode) return 0; chg->cc2_detach_wa_active = true; /* The CC2 removal WA will cause a type-c-change IRQ storm */ smblib_reg_block_update(chg, cc2_detach_settings); schedule_work(&chg->rdstd_cc2_detach_work); return rc; } static int smblib_cc2_sink_removal_exit(struct smb_charger *chg) { if ((chg->wa_flags & TYPEC_CC2_REMOVAL_WA_BIT) == 0) return 0; if (!chg->cc2_detach_wa_active) return 0; chg->cc2_detach_wa_active = false; cancel_work_sync(&chg->rdstd_cc2_detach_work); smblib_reg_block_restore(chg, cc2_detach_settings); return 0; } int smblib_set_prop_pd_in_hard_reset(struct smb_charger *chg, const union power_supply_propval *val) { int rc = 0; if (chg->pd_hard_reset == val->intval) return rc; chg->pd_hard_reset = val->intval; rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, EXIT_SNK_BASED_ON_CC_BIT, (chg->pd_hard_reset) ? EXIT_SNK_BASED_ON_CC_BIT : 0); if (rc < 0) smblib_err(chg, "Couldn't set EXIT_SNK_BASED_ON_CC rc=%d\n", rc); vote(chg->apsd_disable_votable, PD_HARD_RESET_VOTER, chg->pd_hard_reset, 0); return rc; } static int smblib_recover_from_soft_jeita(struct smb_charger *chg) { u8 stat_1 = 0, stat_2 = 0; int rc; rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat_1); if (rc < 0) { smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n", rc); return rc; } rc = smblib_read(chg, BATTERY_CHARGER_STATUS_2_REG, &stat_2); if (rc < 0) { smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n", rc); return rc; } if ((chg->jeita_status && !(stat_2 & BAT_TEMP_STATUS_SOFT_LIMIT_MASK) && ((stat_1 & BATTERY_CHARGER_STATUS_MASK) == TERMINATE_CHARGE))) { /* * We are moving from JEITA soft -> Normal and charging * is terminated */ rc = smblib_write(chg, CHARGING_ENABLE_CMD_REG, 0); if (rc < 0) { smblib_err(chg, "Couldn't disable charging rc=%d\n", rc); return rc; } rc = smblib_write(chg, CHARGING_ENABLE_CMD_REG, CHARGING_ENABLE_CMD_BIT); if (rc < 0) { smblib_err(chg, "Couldn't enable charging rc=%d\n", rc); return rc; } } chg->jeita_status = stat_2 & BAT_TEMP_STATUS_SOFT_LIMIT_MASK; return 0; } /*********************** * USB MAIN PSY GETTERS * *************************/ int smblib_get_prop_fcc_delta(struct smb_charger *chg, union power_supply_propval *val) { int rc, jeita_cc_delta_ua = 0; rc = smblib_get_jeita_cc_delta(chg, &jeita_cc_delta_ua); if (rc < 0) { smblib_err(chg, "Couldn't get jeita cc delta rc=%d\n", rc); jeita_cc_delta_ua = 0; } val->intval = jeita_cc_delta_ua; return 0; } /*********************** * USB MAIN PSY SETTERS * *************************/ int smblib_get_charge_current(struct smb_charger *chg, int *total_current_ua) { const struct apsd_result *apsd_result = smblib_get_apsd_result(chg); union power_supply_propval val = {0, }; int rc = 0, typec_source_rd, current_ua; bool non_compliant; u8 stat5; if (chg->pd_active) { *total_current_ua = get_client_vote_locked(chg->usb_icl_votable, PD_VOTER); return rc; } rc = smblib_read(chg, TYPE_C_STATUS_5_REG, &stat5); if (rc < 0) { smblib_err(chg, "Couldn't read TYPE_C_STATUS_5 rc=%d\n", rc); return rc; } non_compliant = stat5 & TYPEC_NONCOMP_LEGACY_CABLE_STATUS_BIT; /* get settled ICL */ rc = smblib_get_prop_input_current_settled(chg, &val); if (rc < 0) { smblib_err(chg, "Couldn't get settled ICL rc=%d\n", rc); return rc; } typec_source_rd = smblib_get_prop_ufp_mode(chg); /* QC 2.0/3.0 adapter */ if (apsd_result->bit & (QC_3P0_BIT | QC_2P0_BIT)) { *total_current_ua = HVDCP_CURRENT_UA; return 0; } if (non_compliant) { switch (apsd_result->bit) { case CDP_CHARGER_BIT: current_ua = CDP_CURRENT_UA; break; case DCP_CHARGER_BIT: case OCP_CHARGER_BIT: case FLOAT_CHARGER_BIT: current_ua = DCP_CURRENT_UA; break; default: current_ua = 0; break; } *total_current_ua = max(current_ua, val.intval); return 0; } switch (typec_source_rd) { case POWER_SUPPLY_TYPEC_SOURCE_DEFAULT: switch (apsd_result->bit) { case CDP_CHARGER_BIT: current_ua = CDP_CURRENT_UA; break; case DCP_CHARGER_BIT: case OCP_CHARGER_BIT: case FLOAT_CHARGER_BIT: current_ua = chg->default_icl_ua; break; default: current_ua = 0; break; } break; case POWER_SUPPLY_TYPEC_SOURCE_MEDIUM: current_ua = TYPEC_MEDIUM_CURRENT_UA; break; case POWER_SUPPLY_TYPEC_SOURCE_HIGH: current_ua = TYPEC_HIGH_CURRENT_UA; break; case POWER_SUPPLY_TYPEC_NON_COMPLIANT: case POWER_SUPPLY_TYPEC_NONE: default: current_ua = 0; break; } *total_current_ua = max(current_ua, val.intval); return 0; } /************************ * PARALLEL PSY GETTERS * ************************/ int smblib_get_prop_slave_current_now(struct smb_charger *chg, union power_supply_propval *pval) { if (IS_ERR_OR_NULL(chg->iio.batt_i_chan)) chg->iio.batt_i_chan = iio_channel_get(chg->dev, "batt_i"); if (IS_ERR(chg->iio.batt_i_chan)) return PTR_ERR(chg->iio.batt_i_chan); return iio_read_channel_processed(chg->iio.batt_i_chan, &pval->intval); } /********************** * INTERRUPT HANDLERS * **********************/ irqreturn_t smblib_handle_debug(int irq, void *data) { struct smb_irq_data *irq_data = data; struct smb_charger *chg = irq_data->parent_data; smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); return IRQ_HANDLED; } irqreturn_t smblib_handle_otg_overcurrent(int irq, void *data) { struct smb_irq_data *irq_data = data; struct smb_charger *chg = irq_data->parent_data; int rc; u8 stat; rc = smblib_read(chg, OTG_BASE + INT_RT_STS_OFFSET, &stat); if (rc < 0) { dev_err(chg->dev, "Couldn't read OTG_INT_RT_STS rc=%d\n", rc); return IRQ_HANDLED; } if (chg->wa_flags & OTG_WA) { if (stat & OTG_OC_DIS_SW_STS_RT_STS_BIT) smblib_err(chg, "OTG disabled by hw\n"); /* not handling software based hiccups for PM660 */ return IRQ_HANDLED; } if (stat & OTG_OVERCURRENT_RT_STS_BIT) schedule_work(&chg->otg_oc_work); return IRQ_HANDLED; } irqreturn_t smblib_handle_chg_state_change(int irq, void *data) { struct smb_irq_data *irq_data = data; struct smb_charger *chg = irq_data->parent_data; u8 stat; int rc; smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n", rc); return IRQ_HANDLED; } stat = stat & BATTERY_CHARGER_STATUS_MASK; power_supply_changed(&chg->batt_psy); return IRQ_HANDLED; } irqreturn_t smblib_handle_batt_temp_changed(int irq, void *data) { struct smb_irq_data *irq_data = data; struct smb_charger *chg = irq_data->parent_data; int rc; rc = smblib_recover_from_soft_jeita(chg); if (rc < 0) { smblib_err(chg, "Couldn't recover chg from soft jeita rc=%d\n", rc); return IRQ_HANDLED; } rerun_election(chg->fcc_votable); power_supply_changed(&chg->batt_psy); return IRQ_HANDLED; } irqreturn_t smblib_handle_batt_psy_changed(int irq, void *data) { struct smb_irq_data *irq_data = data; struct smb_charger *chg = irq_data->parent_data; smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); power_supply_changed(&chg->batt_psy); return IRQ_HANDLED; } irqreturn_t smblib_handle_usb_psy_changed(int irq, void *data) { struct smb_irq_data *irq_data = data; struct smb_charger *chg = irq_data->parent_data; smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); return IRQ_HANDLED; } irqreturn_t smblib_handle_usbin_uv(int irq, void *data) { struct smb_irq_data *irq_data = data; struct smb_charger *chg = irq_data->parent_data; struct storm_watch *wdata; smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); if (!chg->irq_info[SWITCH_POWER_OK_IRQ].irq_data) return IRQ_HANDLED; wdata = &chg->irq_info[SWITCH_POWER_OK_IRQ].irq_data->storm_data; reset_storm_count(wdata); return IRQ_HANDLED; } static void smblib_micro_usb_plugin(struct smb_charger *chg, bool vbus_rising) { if (vbus_rising) { /* use the typec flag even though its not typec */ chg->typec_present = 1; } else { chg->typec_present = 0; smblib_update_usb_type(chg); smblib_uusb_removal(chg); } } void smblib_usb_plugin_hard_reset_locked(struct smb_charger *chg) { int rc; u8 stat; bool vbus_rising; struct smb_irq_data *data; struct storm_watch *wdata; rc = smblib_read(chg, USBIN_BASE + INT_RT_STS_OFFSET, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read USB_INT_RT_STS rc=%d\n", rc); return; } vbus_rising = (bool)(stat & USBIN_PLUGIN_RT_STS_BIT); if (vbus_rising) { smblib_cc2_sink_removal_exit(chg); } else { smblib_cc2_sink_removal_enter(chg); if (chg->wa_flags & BOOST_BACK_WA) { data = chg->irq_info[SWITCH_POWER_OK_IRQ].irq_data; if (data) { wdata = &data->storm_data; update_storm_count(wdata, WEAK_CHG_STORM_COUNT); vote(chg->usb_icl_votable, BOOST_BACK_VOTER, false, 0); vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER, false, 0); } } } smblib_dbg(chg, PR_INTERRUPT, "IRQ: usbin-plugin %s\n", vbus_rising ? "attached" : "detached"); } #define PL_DELAY_MS 30000 void smblib_usb_plugin_locked(struct smb_charger *chg) { int rc; u8 stat; bool vbus_rising; struct smb_irq_data *data; struct storm_watch *wdata; rc = smblib_read(chg, USBIN_BASE + INT_RT_STS_OFFSET, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read USB_INT_RT_STS rc=%d\n", rc); return; } vbus_rising = (bool)(stat & USBIN_PLUGIN_RT_STS_BIT); smblib_set_opt_freq_buck(chg, vbus_rising ? chg->chg_freq.freq_5V : chg->chg_freq.freq_removal); if (vbus_rising) { /* vote to the USB stack to float DP_DM before APSD */ power_supply_set_dp_dm(chg->usb_psy, POWER_SUPPLY_DP_DM_DPF_DMF); /* Schedule work to enable parallel charger */ vote(chg->awake_votable, PL_DELAY_VOTER, true, 0); schedule_delayed_work(&chg->pl_enable_work, msecs_to_jiffies(PL_DELAY_MS)); } else { if (chg->wa_flags & BOOST_BACK_WA) { data = chg->irq_info[SWITCH_POWER_OK_IRQ].irq_data; if (data) { wdata = &data->storm_data; update_storm_count(wdata, WEAK_CHG_STORM_COUNT); vote(chg->usb_icl_votable, BOOST_BACK_VOTER, false, 0); vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER, false, 0); } } /* un-vote on dp_dm */ power_supply_set_dp_dm(chg->usb_psy, POWER_SUPPLY_DP_DM_DPR_DMR); } if (chg->micro_usb_mode) smblib_micro_usb_plugin(chg, vbus_rising); smblib_dbg(chg, PR_INTERRUPT, "IRQ: usbin-plugin %s\n", vbus_rising ? "attached" : "detached"); } irqreturn_t smblib_handle_usb_plugin(int irq, void *data) { struct smb_irq_data *irq_data = data; struct smb_charger *chg = irq_data->parent_data; mutex_lock(&chg->lock); if (chg->pd_hard_reset) smblib_usb_plugin_hard_reset_locked(chg); else smblib_usb_plugin_locked(chg); mutex_unlock(&chg->lock); return IRQ_HANDLED; } #define USB_WEAK_INPUT_UA 1400000 #define ICL_CHANGE_DELAY_MS 1000 irqreturn_t smblib_handle_icl_change(int irq, void *data) { u8 stat; int rc, settled_ua, delay = ICL_CHANGE_DELAY_MS; struct smb_irq_data *irq_data = data; struct smb_charger *chg = irq_data->parent_data; if (chg->mode == PARALLEL_MASTER) { rc = smblib_read(chg, AICL_STATUS_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read AICL_STATUS rc=%d\n", rc); return IRQ_HANDLED; } rc = smblib_get_charge_param(chg, &chg->param.icl_stat, &settled_ua); if (rc < 0) { smblib_err(chg, "Couldn't get ICL status rc=%d\n", rc); return IRQ_HANDLED; } /* If AICL settled then schedule work now */ if ((settled_ua == get_effective_result(chg->usb_icl_votable)) || (stat & AICL_DONE_BIT)) delay = 0; cancel_delayed_work_sync(&chg->icl_change_work); schedule_delayed_work(&chg->icl_change_work, msecs_to_jiffies(delay)); } return IRQ_HANDLED; } static void smblib_handle_slow_plugin_timeout(struct smb_charger *chg, bool rising) { smblib_dbg(chg, PR_INTERRUPT, "IRQ: slow-plugin-timeout %s\n", rising ? "rising" : "falling"); } static void smblib_handle_sdp_enumeration_done(struct smb_charger *chg, bool rising) { smblib_dbg(chg, PR_INTERRUPT, "IRQ: sdp-enumeration-done %s\n", rising ? "rising" : "falling"); } #define QC3_PULSES_FOR_6V 5 #define QC3_PULSES_FOR_9V 20 #define QC3_PULSES_FOR_12V 35 static void smblib_hvdcp_adaptive_voltage_change(struct smb_charger *chg) { int rc; u8 stat; int pulses; power_supply_changed(&chg->usb_main_psy); if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB_HVDCP) { rc = smblib_read(chg, QC_CHANGE_STATUS_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read QC_CHANGE_STATUS rc=%d\n", rc); return; } switch (stat & QC_2P0_STATUS_MASK) { case QC_5V_BIT: smblib_set_opt_freq_buck(chg, chg->chg_freq.freq_5V); break; case QC_9V_BIT: smblib_set_opt_freq_buck(chg, chg->chg_freq.freq_9V); break; case QC_12V_BIT: smblib_set_opt_freq_buck(chg, chg->chg_freq.freq_12V); break; default: smblib_set_opt_freq_buck(chg, chg->chg_freq.freq_removal); break; } } if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB_HVDCP_3) { rc = smblib_get_pulse_cnt(chg, &pulses); if (rc < 0) { smblib_err(chg, "Couldn't read QC_PULSE_COUNT rc=%d\n", rc); return; } if (pulses < QC3_PULSES_FOR_6V) smblib_set_opt_freq_buck(chg, chg->chg_freq.freq_5V); else if (pulses < QC3_PULSES_FOR_9V) smblib_set_opt_freq_buck(chg, chg->chg_freq.freq_6V_8V); else if (pulses < QC3_PULSES_FOR_12V) smblib_set_opt_freq_buck(chg, chg->chg_freq.freq_9V); else smblib_set_opt_freq_buck(chg, chg->chg_freq.freq_12V); } } /* triggers when HVDCP 3.0 authentication has finished */ static void smblib_handle_hvdcp_3p0_auth_done(struct smb_charger *chg, bool rising) { const struct apsd_result *apsd_result; int rc; if (!rising) return; if (chg->wa_flags & QC_AUTH_INTERRUPT_WA_BIT) { /* * Disable AUTH_IRQ_EN_CFG_BIT to receive adapter voltage * change interrupt. */ rc = smblib_masked_write(chg, USBIN_SOURCE_CHANGE_INTRPT_ENB_REG, AUTH_IRQ_EN_CFG_BIT, 0); if (rc < 0) smblib_err(chg, "Couldn't enable QC auth setting rc=%d\n", rc); } if (chg->mode == PARALLEL_MASTER) vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, true, 0); /* the APSD done handler will set the USB supply type */ apsd_result = smblib_get_apsd_result(chg); if (get_effective_result(chg->hvdcp_hw_inov_dis_votable)) { if (apsd_result->pst == POWER_SUPPLY_TYPE_USB_HVDCP) { /* force HVDCP2 to 9V if INOV is disabled */ rc = smblib_masked_write(chg, CMD_HVDCP_2_REG, FORCE_9V_BIT, FORCE_9V_BIT); if (rc < 0) smblib_err(chg, "Couldn't force 9V HVDCP rc=%d\n", rc); } } smblib_dbg(chg, PR_INTERRUPT, "IRQ: hvdcp-3p0-auth-done rising; %s detected\n", apsd_result->name); } static void smblib_handle_hvdcp_check_timeout(struct smb_charger *chg, bool rising, bool qc_charger) { const struct apsd_result *apsd_result = smblib_get_apsd_result(chg); /* Hold off PD only until hvdcp 2.0 detection timeout */ if (rising) { vote(chg->pd_disallowed_votable_indirect, HVDCP_TIMEOUT_VOTER, false, 0); /* enable HDC and ICL irq for QC2/3 charger */ if (qc_charger) vote(chg->usb_irq_enable_votable, QC_VOTER, true, 0); /* * HVDCP detection timeout done * If adapter is not QC2.0/QC3.0 - it is a plain old DCP. */ if (!qc_charger && (apsd_result->bit & DCP_CHARGER_BIT)) /* enforce DCP ICL if specified */ vote(chg->usb_icl_votable, DCP_VOTER, chg->dcp_icl_ua != -EINVAL, chg->dcp_icl_ua); /* * if pd is not allowed, then set pd_active = false right here, * so that it starts the hvdcp engine */ if (!get_effective_result(chg->pd_allowed_votable)) __smblib_set_prop_pd_active(chg, 0); } smblib_dbg(chg, PR_INTERRUPT, "IRQ: smblib_handle_hvdcp_check_timeout %s\n", rising ? "rising" : "falling"); } /* triggers when HVDCP is detected */ static void smblib_handle_hvdcp_detect_done(struct smb_charger *chg, bool rising) { if (!rising) return; /* the APSD done handler will set the USB supply type */ cancel_delayed_work_sync(&chg->hvdcp_detect_work); smblib_dbg(chg, PR_INTERRUPT, "IRQ: hvdcp-detect-done %s\n", rising ? "rising" : "falling"); } static void smblib_force_legacy_icl(struct smb_charger *chg, int pst) { int typec_mode; int rp_ua; /* while PD is active it should have complete ICL control */ if (chg->pd_active) return; switch (pst) { case POWER_SUPPLY_TYPE_USB: /* * USB_PSY will vote to increase the current to 500/900mA once * enumeration is done. Ensure that USB_PSY has at least voted * for 100mA before releasing the LEGACY_UNKNOWN vote */ if (!is_client_vote_enabled(chg->usb_icl_votable, USB_PSY_VOTER)) vote(chg->usb_icl_votable, USB_PSY_VOTER, true, 100000); vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, false, 0); break; case POWER_SUPPLY_TYPE_USB_CDP: vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, true, 1500000); break; case POWER_SUPPLY_TYPE_USB_DCP: typec_mode = smblib_get_prop_typec_mode(chg); rp_ua = get_rp_based_dcp_current(chg, typec_mode); vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, true, rp_ua); break; case POWER_SUPPLY_TYPE_USB_FLOAT: /* * limit ICL to 100mA, the USB driver will enumerate to check * if this is a SDP and appropriately set the current */ vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, true, 100000); break; case POWER_SUPPLY_TYPE_USB_HVDCP: case POWER_SUPPLY_TYPE_USB_HVDCP_3: vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, true, 3000000); break; default: smblib_err(chg, "Unknown APSD %d; forcing 500mA\n", pst); vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, true, 500000); break; } } #define HVDCP_DET_MS 2500 static void smblib_handle_apsd_done(struct smb_charger *chg, bool rising) { const struct apsd_result *apsd_result; union power_supply_propval pval = {0, }; int rc; if (!rising) return; apsd_result = smblib_update_usb_type(chg); if (!chg->skip_usb_notification && chg->typec_present) { smblib_dbg(chg, PR_REGISTER, "Notify USB insertion\n"); rc = smblib_get_prop_usb_online(chg, &pval); if (rc < 0) smblib_err(chg, "Couldn't read USB online status rc=%d\n", rc); power_supply_set_online(chg->usb_psy, pval.intval); power_supply_set_present(chg->usb_psy, true); } if (!chg->typec_legacy_valid) smblib_force_legacy_icl(chg, apsd_result->pst); switch (apsd_result->bit) { case SDP_CHARGER_BIT: case CDP_CHARGER_BIT: case OCP_CHARGER_BIT: case FLOAT_CHARGER_BIT: /* if not DCP then no hvdcp timeout happens, Enable pd here. */ vote(chg->pd_disallowed_votable_indirect, HVDCP_TIMEOUT_VOTER, false, 0); break; case DCP_CHARGER_BIT: if (chg->wa_flags & QC_CHARGER_DETECTION_WA_BIT) schedule_delayed_work(&chg->hvdcp_detect_work, msecs_to_jiffies(HVDCP_DET_MS)); break; default: break; } smblib_dbg(chg, PR_INTERRUPT, "IRQ: apsd-done rising; %s detected\n", apsd_result->name); } irqreturn_t smblib_handle_usb_source_change(int irq, void *data) { struct smb_irq_data *irq_data = data; struct smb_charger *chg = irq_data->parent_data; int rc = 0; u8 stat; rc = smblib_read(chg, APSD_STATUS_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read APSD_STATUS rc=%d\n", rc); return IRQ_HANDLED; } smblib_dbg(chg, PR_REGISTER, "APSD_STATUS = 0x%02x\n", stat); if (chg->micro_usb_mode && (stat & APSD_DTC_STATUS_DONE_BIT) && !chg->uusb_apsd_rerun_done) { /* * Force re-run APSD to handle slow insertion related * charger-mis-detection. */ chg->uusb_apsd_rerun_done = true; smblib_rerun_apsd(chg); return IRQ_HANDLED; } smblib_handle_apsd_done(chg, (bool)(stat & APSD_DTC_STATUS_DONE_BIT)); smblib_handle_hvdcp_detect_done(chg, (bool)(stat & QC_CHARGER_BIT)); smblib_handle_hvdcp_check_timeout(chg, (bool)(stat & HVDCP_CHECK_TIMEOUT_BIT), (bool)(stat & QC_CHARGER_BIT)); smblib_handle_hvdcp_3p0_auth_done(chg, (bool)(stat & QC_AUTH_DONE_STATUS_BIT)); smblib_handle_sdp_enumeration_done(chg, (bool)(stat & ENUMERATION_DONE_BIT)); smblib_handle_slow_plugin_timeout(chg, (bool)(stat & SLOW_PLUGIN_TIMEOUT_BIT)); smblib_hvdcp_adaptive_voltage_change(chg); rc = smblib_read(chg, APSD_STATUS_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read APSD_STATUS rc=%d\n", rc); return IRQ_HANDLED; } smblib_dbg(chg, PR_REGISTER, "APSD_STATUS = 0x%02x\n", stat); return IRQ_HANDLED; } static void typec_sink_insertion(struct smb_charger *chg) { /* when a sink is inserted we should not wait on hvdcp timeout to * enable pd */ vote(chg->pd_disallowed_votable_indirect, HVDCP_TIMEOUT_VOTER, false, 0); if (!chg->skip_usb_notification) { smblib_dbg(chg, PR_OTG, "Notify OTG insertion\n"); power_supply_set_usb_otg(chg->usb_psy, true); } } static void typec_sink_removal(struct smb_charger *chg) { smblib_set_charge_param(chg, &chg->param.freq_boost, chg->chg_freq.freq_above_otg_threshold); chg->boost_current_ua = 0; if (!chg->skip_usb_notification) { smblib_dbg(chg, PR_OTG, "Notify OTG removal\n"); power_supply_set_usb_otg(chg->usb_psy, false); } } static void smblib_handle_typec_removal(struct smb_charger *chg) { int rc; struct smb_irq_data *data; struct storm_watch *wdata; chg->cc2_detach_wa_active = false; /* unvote on dp_dm */ power_supply_set_dp_dm(chg->usb_psy, POWER_SUPPLY_DP_DM_DPR_DMR); if (chg->wa_flags & BOOST_BACK_WA) { data = chg->irq_info[SWITCH_POWER_OK_IRQ].irq_data; if (data) { wdata = &data->storm_data; update_storm_count(wdata, WEAK_CHG_STORM_COUNT); vote(chg->usb_icl_votable, BOOST_BACK_VOTER, false, 0); vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER, false, 0); } } /* reset APSD voters */ vote(chg->apsd_disable_votable, PD_HARD_RESET_VOTER, false, 0); vote(chg->apsd_disable_votable, PD_VOTER, false, 0); cancel_delayed_work_sync(&chg->pl_enable_work); cancel_delayed_work_sync(&chg->hvdcp_detect_work); /* reset input current limit voters */ vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, true, 100000); vote(chg->usb_icl_votable, PD_VOTER, false, 0); vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0); vote(chg->usb_icl_votable, DCP_VOTER, false, 0); vote(chg->usb_icl_votable, PL_USBIN_USBIN_VOTER, false, 0); vote(chg->usb_icl_votable, SW_QC3_VOTER, false, 0); /* reset hvdcp voters */ vote(chg->hvdcp_disable_votable_indirect, VBUS_CC_SHORT_VOTER, true, 0); vote(chg->hvdcp_disable_votable_indirect, PD_INACTIVE_VOTER, true, 0); /* reset power delivery voters */ vote(chg->pd_allowed_votable, PD_VOTER, false, 0); vote(chg->pd_disallowed_votable_indirect, CC_DETACHED_VOTER, true, 0); vote(chg->pd_disallowed_votable_indirect, HVDCP_TIMEOUT_VOTER, true, 0); /* reset usb irq voters */ vote(chg->usb_irq_enable_votable, PD_VOTER, false, 0); vote(chg->usb_irq_enable_votable, QC_VOTER, false, 0); /* reset parallel voters */ vote(chg->pl_disable_votable, PL_DELAY_VOTER, true, 0); vote(chg->pl_enable_votable_indirect, USBIN_I_VOTER, false, 0); vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, false, 0); vote(chg->awake_votable, PL_DELAY_VOTER, false, 0); chg->vconn_attempts = 0; chg->otg_attempts = 0; chg->pulse_cnt = 0; chg->usb_icl_delta_ua = 0; chg->voltage_min_uv = MICRO_5V; chg->voltage_max_uv = MICRO_5V; chg->pd_active = 0; chg->pd_hard_reset = 0; chg->typec_legacy_valid = false; /* write back the default FLOAT charger configuration */ rc = smblib_masked_write(chg, USBIN_OPTIONS_2_CFG_REG, (u8)FLOAT_OPTIONS_MASK, chg->float_cfg); if (rc < 0) smblib_err(chg, "Couldn't write float charger options rc=%d\n", rc); /* reset back to 120mS tCC debounce */ rc = smblib_masked_write(chg, MISC_CFG_REG, TCC_DEBOUNCE_20MS_BIT, 0); if (rc < 0) smblib_err(chg, "Couldn't set 120mS tCC debounce rc=%d\n", rc); /* enable APSD CC trigger for next insertion */ rc = smblib_masked_write(chg, TYPE_C_CFG_REG, APSD_START_ON_CC_BIT, APSD_START_ON_CC_BIT); if (rc < 0) smblib_err(chg, "Couldn't enable APSD_START_ON_CC rc=%d\n", rc); if (chg->wa_flags & QC_AUTH_INTERRUPT_WA_BIT) { /* re-enable AUTH_IRQ_EN_CFG_BIT */ rc = smblib_masked_write(chg, USBIN_SOURCE_CHANGE_INTRPT_ENB_REG, AUTH_IRQ_EN_CFG_BIT, AUTH_IRQ_EN_CFG_BIT); if (rc < 0) smblib_err(chg, "Couldn't enable QC auth setting rc=%d\n", rc); } /* reconfigure allowed voltage for HVDCP */ rc = smblib_set_adapter_allowance(chg, USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V); if (rc < 0) smblib_err(chg, "Couldn't set USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V rc=%d\n", rc); /* enable DRP */ rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, TYPEC_POWER_ROLE_CMD_MASK, 0); if (rc < 0) smblib_err(chg, "Couldn't enable DRP rc=%d\n", rc); /* HW controlled CC_OUT */ rc = smblib_masked_write(chg, TAPER_TIMER_SEL_CFG_REG, TYPEC_SPARE_CFG_BIT, 0); if (rc < 0) smblib_err(chg, "Couldn't enable HW cc_out rc=%d\n", rc); /* restore crude sensor */ rc = smblib_write(chg, TM_IO_DTEST4_SEL, 0xA5); if (rc < 0) smblib_err(chg, "Couldn't restore crude sensor rc=%d\n", rc); mutex_lock(&chg->vconn_oc_lock); if (!chg->vconn_en) goto unlock; smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, VCONN_EN_VALUE_BIT, 0); chg->vconn_en = false; unlock: mutex_unlock(&chg->vconn_oc_lock); /* clear exit sink based on cc */ rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, EXIT_SNK_BASED_ON_CC_BIT, 0); if (rc < 0) smblib_err(chg, "Couldn't clear exit_sink_based_on_cc rc=%d\n", rc); typec_sink_removal(chg); smblib_update_usb_type(chg); if (!chg->skip_usb_notification) { smblib_dbg(chg, PR_REGISTER, "Notify USB removal\n"); power_supply_set_online(chg->usb_psy, false); power_supply_set_present(chg->usb_psy, false); } } static void smblib_handle_typec_insertion(struct smb_charger *chg) { int rc; vote(chg->pd_disallowed_votable_indirect, CC_DETACHED_VOTER, false, 0); /* disable APSD CC trigger since CC is attached */ rc = smblib_masked_write(chg, TYPE_C_CFG_REG, APSD_START_ON_CC_BIT, 0); if (rc < 0) smblib_err(chg, "Couldn't disable APSD_START_ON_CC rc=%d\n", rc); if (chg->typec_status[3] & UFP_DFP_MODE_STATUS_BIT) { typec_sink_insertion(chg); } else { /* vote to the USB stack to float DP_DM before APSD */ power_supply_set_dp_dm(chg->usb_psy, POWER_SUPPLY_DP_DM_DPF_DMF); typec_sink_removal(chg); } } static void smblib_handle_rp_change(struct smb_charger *chg, int typec_mode) { int rp_ua; const struct apsd_result *apsd = smblib_get_apsd_result(chg); if ((apsd->pst != POWER_SUPPLY_TYPE_USB_DCP) && (apsd->pst != POWER_SUPPLY_TYPE_USB_FLOAT)) return; /* * if APSD indicates FLOAT and the USB stack had detected SDP, * do not respond to Rp changes as we do not confirm that its * a legacy cable */ if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB) return; /* * We want the ICL vote @ 100mA for a FLOAT charger * until the detection by the USB stack is complete. * Ignore the Rp changes unless there is a * pre-existing valid vote. */ if (apsd->pst == POWER_SUPPLY_TYPE_USB_FLOAT && get_client_vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER) <= 100000) return; /* * handle Rp change for DCP/FLOAT/OCP. * Update the current only if the Rp is different from * the last Rp value. */ smblib_dbg(chg, PR_MISC, "CC change old_mode=%d new_mode=%d\n", chg->typec_mode, typec_mode); rp_ua = get_rp_based_dcp_current(chg, typec_mode); vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, true, rp_ua); } static void smblib_handle_typec_cc_state_change(struct smb_charger *chg) { int typec_mode; if (chg->pr_swap_in_progress) return; typec_mode = smblib_get_prop_typec_mode(chg); if (chg->typec_present && (typec_mode != chg->typec_mode)) smblib_handle_rp_change(chg, typec_mode); chg->typec_mode = typec_mode; if (!chg->typec_present && chg->typec_mode != POWER_SUPPLY_TYPEC_NONE) { chg->typec_present = true; smblib_dbg(chg, PR_MISC, "TypeC %s insertion\n", smblib_typec_mode_name[chg->typec_mode]); smblib_handle_typec_insertion(chg); } else if (chg->typec_present && chg->typec_mode == POWER_SUPPLY_TYPEC_NONE) { chg->typec_present = false; smblib_dbg(chg, PR_MISC, "TypeC removal\n"); smblib_handle_typec_removal(chg); } smblib_dbg(chg, PR_INTERRUPT, "IRQ: cc-state-change; Type-C %s detected\n", smblib_typec_mode_name[chg->typec_mode]); } static void smblib_usb_typec_change(struct smb_charger *chg) { int rc; rc = smblib_multibyte_read(chg, TYPE_C_STATUS_1_REG, chg->typec_status, 5); if (rc < 0) { smblib_err(chg, "Couldn't cache USB Type-C status rc=%d\n", rc); return; } smblib_handle_typec_cc_state_change(chg); if (chg->typec_status[3] & TYPEC_VBUS_ERROR_STATUS_BIT) smblib_dbg(chg, PR_INTERRUPT, "IRQ: vbus-error\n"); if (chg->typec_status[3] & TYPEC_VCONN_OVERCURR_STATUS_BIT) schedule_work(&chg->vconn_oc_work); } irqreturn_t smblib_handle_usb_typec_change(int irq, void *data) { struct smb_irq_data *irq_data = data; struct smb_charger *chg = irq_data->parent_data; if (chg->micro_usb_mode) { cancel_delayed_work_sync(&chg->uusb_otg_work); vote(chg->awake_votable, OTG_DELAY_VOTER, true, 0); smblib_dbg(chg, PR_INTERRUPT, "Scheduling OTG work\n"); schedule_delayed_work(&chg->uusb_otg_work, msecs_to_jiffies(chg->otg_delay_ms)); return IRQ_HANDLED; } if (chg->cc2_detach_wa_active || chg->typec_en_dis_active) { smblib_dbg(chg, PR_INTERRUPT, "Ignoring since %s active\n", chg->cc2_detach_wa_active ? "cc2_detach_wa" : "typec_en_dis"); return IRQ_HANDLED; } mutex_lock(&chg->lock); smblib_usb_typec_change(chg); mutex_unlock(&chg->lock); return IRQ_HANDLED; } irqreturn_t smblib_handle_dc_plugin(int irq, void *data) { struct smb_irq_data *irq_data = data; struct smb_charger *chg = irq_data->parent_data; power_supply_changed(&chg->dc_psy); return IRQ_HANDLED; } irqreturn_t smblib_handle_high_duty_cycle(int irq, void *data) { struct smb_irq_data *irq_data = data; struct smb_charger *chg = irq_data->parent_data; chg->is_hdc = true; /* * Disable usb IRQs after the flag set and re-enable IRQs after * the flag cleared in the delayed work queue, to avoid any IRQ * storming during the delays */ if (chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq) disable_irq_nosync(chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq); schedule_delayed_work(&chg->clear_hdc_work, msecs_to_jiffies(60)); return IRQ_HANDLED; } static void smblib_bb_removal_work(struct work_struct *work) { struct smb_charger *chg = container_of(work, struct smb_charger, bb_removal_work.work); vote(chg->usb_icl_votable, BOOST_BACK_VOTER, false, 0); vote(chg->awake_votable, BOOST_BACK_VOTER, false, 0); } #define BOOST_BACK_UNVOTE_DELAY_MS 750 #define BOOST_BACK_STORM_COUNT 3 #define WEAK_CHG_STORM_COUNT 8 irqreturn_t smblib_handle_switcher_power_ok(int irq, void *data) { struct smb_irq_data *irq_data = data; struct smb_charger *chg = irq_data->parent_data; struct storm_watch *wdata = &irq_data->storm_data; int rc, usb_icl; u8 stat; if (!(chg->wa_flags & BOOST_BACK_WA)) return IRQ_HANDLED; rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n", rc); return IRQ_HANDLED; } /* skip suspending input if its already suspended by some other voter */ usb_icl = get_effective_result(chg->usb_icl_votable); if ((stat & USE_USBIN_BIT) && usb_icl >= 0 && usb_icl < USBIN_25MA) return IRQ_HANDLED; if (stat & USE_DCIN_BIT) return IRQ_HANDLED; if (is_storming(&irq_data->storm_data)) { /* This could be a weak charger reduce ICL */ if (!is_client_vote_enabled(chg->usb_icl_votable, WEAK_CHARGER_VOTER)) { smblib_err(chg, "Weak charger detected: voting %dmA ICL\n", *chg->weak_chg_icl_ua / 1000); vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER, true, *chg->weak_chg_icl_ua); /* * reset storm data and set the storm threshold * to 3 for reverse boost detection. */ update_storm_count(wdata, BOOST_BACK_STORM_COUNT); } else { smblib_err(chg, "Reverse boost detected: voting 0mA to suspend input\n"); vote(chg->usb_icl_votable, BOOST_BACK_VOTER, true, 0); vote(chg->awake_votable, BOOST_BACK_VOTER, true, 0); /* * Remove the boost-back vote after a delay, to avoid * permanently suspending the input if the boost-back * condition is unintentionally hit. */ schedule_delayed_work(&chg->bb_removal_work, msecs_to_jiffies(BOOST_BACK_UNVOTE_DELAY_MS)); } } return IRQ_HANDLED; } irqreturn_t smblib_handle_wdog_bark(int irq, void *data) { struct smb_irq_data *irq_data = data; struct smb_charger *chg = irq_data->parent_data; int rc; rc = smblib_write(chg, BARK_BITE_WDOG_PET_REG, BARK_BITE_WDOG_PET_BIT); if (rc < 0) smblib_err(chg, "Couldn't pet the dog rc=%d\n", rc); return IRQ_HANDLED; } /************** * Additional USB PSY getters/setters * that call interrupt functions ***************/ int smblib_get_prop_pr_swap_in_progress(struct smb_charger *chg, union power_supply_propval *val) { val->intval = chg->pr_swap_in_progress; return 0; } int smblib_set_prop_pr_swap_in_progress(struct smb_charger *chg, const union power_supply_propval *val) { int rc; chg->pr_swap_in_progress = val->intval; /* * call the cc changed irq to handle real removals while * PR_SWAP was in progress */ smblib_usb_typec_change(chg); rc = smblib_masked_write(chg, MISC_CFG_REG, TCC_DEBOUNCE_20MS_BIT, val->intval ? TCC_DEBOUNCE_20MS_BIT : 0); if (rc < 0) smblib_err(chg, "Couldn't set tCC debounce rc=%d\n", rc); return 0; } /*************** * Work Queues * ***************/ static void smblib_uusb_otg_work(struct work_struct *work) { struct smb_charger *chg = container_of(work, struct smb_charger, uusb_otg_work.work); int rc; u8 stat; bool otg; rc = smblib_read(chg, TYPE_C_STATUS_3_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read TYPE_C_STATUS_3 rc=%d\n", rc); goto out; } otg = !!(stat & (U_USB_GND_NOVBUS_BIT | U_USB_GND_BIT)); smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_3 = 0x%02x OTG=%d\n", stat, otg); if (!chg->skip_usb_notification) { smblib_dbg(chg, PR_OTG, "Notify OTG %s\n", otg ? "insertion" : "removal"); power_supply_set_usb_otg(chg->usb_psy, otg); } out: vote(chg->awake_votable, OTG_DELAY_VOTER, false, 0); } static void smblib_hvdcp_detect_work(struct work_struct *work) { struct smb_charger *chg = container_of(work, struct smb_charger, hvdcp_detect_work.work); vote(chg->pd_disallowed_votable_indirect, HVDCP_TIMEOUT_VOTER, false, 0); } static void bms_update_work(struct work_struct *work) { struct smb_charger *chg = container_of(work, struct smb_charger, bms_update_work); smblib_suspend_on_debug_battery(chg); power_supply_changed(&chg->batt_psy); } static void clear_hdc_work(struct work_struct *work) { struct smb_charger *chg = container_of(work, struct smb_charger, clear_hdc_work.work); chg->is_hdc = 0; if (chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq) enable_irq(chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq); } static void rdstd_cc2_detach_work(struct work_struct *work) { int rc; u8 stat4, stat5; struct smb_charger *chg = container_of(work, struct smb_charger, rdstd_cc2_detach_work); if (!chg->cc2_detach_wa_active) return; /* * WA steps - * 1. Enable both UFP and DFP, wait for 10ms. * 2. Disable DFP, wait for 30ms. * 3. Removal detected if both TYPEC_DEBOUNCE_DONE_STATUS * and TIMER_STAGE bits are gone, otherwise repeat all by * work rescheduling. * Note, work will be cancelled when USB_PLUGIN rises. */ rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, UFP_EN_CMD_BIT | DFP_EN_CMD_BIT, UFP_EN_CMD_BIT | DFP_EN_CMD_BIT); if (rc < 0) { smblib_err(chg, "Couldn't write TYPE_C_CTRL_REG rc=%d\n", rc); return; } usleep_range(10000, 11000); rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, UFP_EN_CMD_BIT | DFP_EN_CMD_BIT, UFP_EN_CMD_BIT); if (rc < 0) { smblib_err(chg, "Couldn't write TYPE_C_CTRL_REG rc=%d\n", rc); return; } usleep_range(30000, 31000); rc = smblib_read(chg, TYPE_C_STATUS_4_REG, &stat4); if (rc < 0) { smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc); return; } rc = smblib_read(chg, TYPE_C_STATUS_5_REG, &stat5); if (rc < 0) { smblib_err(chg, "Couldn't read TYPE_C_STATUS_5_REG rc=%d\n", rc); return; } if ((stat4 & TYPEC_DEBOUNCE_DONE_STATUS_BIT) || (stat5 & TIMER_STAGE_2_BIT)) { smblib_dbg(chg, PR_MISC, "rerunning DD=%d TS2BIT=%d\n", (int)(stat4 & TYPEC_DEBOUNCE_DONE_STATUS_BIT), (int)(stat5 & TIMER_STAGE_2_BIT)); goto rerun; } smblib_dbg(chg, PR_MISC, "Bingo CC2 Removal detected\n"); chg->cc2_detach_wa_active = false; rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, EXIT_SNK_BASED_ON_CC_BIT, 0); smblib_reg_block_restore(chg, cc2_detach_settings); mutex_lock(&chg->lock); smblib_usb_typec_change(chg); mutex_unlock(&chg->lock); return; rerun: schedule_work(&chg->rdstd_cc2_detach_work); } static void smblib_otg_oc_exit(struct smb_charger *chg, bool success) { int rc; chg->otg_attempts = 0; if (!success) { smblib_err(chg, "OTG soft start failed\n"); chg->otg_en = false; } smblib_dbg(chg, PR_OTG, "enabling VBUS < 1V check\n"); rc = smblib_masked_write(chg, OTG_CFG_REG, QUICKSTART_OTG_FASTROLESWAP_BIT, 0); if (rc < 0) smblib_err(chg, "Couldn't enable VBUS < 1V check rc=%d\n", rc); } #define MAX_OC_FALLING_TRIES 10 static void smblib_otg_oc_work(struct work_struct *work) { struct smb_charger *chg = container_of(work, struct smb_charger, otg_oc_work); int rc, i; u8 stat; if (!chg->vbus_vreg || !chg->vbus_vreg->rdev) return; smblib_err(chg, "over-current detected on VBUS\n"); mutex_lock(&chg->otg_oc_lock); if (!chg->otg_en) goto unlock; smblib_dbg(chg, PR_OTG, "disabling VBUS < 1V check\n"); smblib_masked_write(chg, OTG_CFG_REG, QUICKSTART_OTG_FASTROLESWAP_BIT, QUICKSTART_OTG_FASTROLESWAP_BIT); /* * If 500ms has passed and another over-current interrupt has not * triggered then it is likely that the software based soft start was * successful and the VBUS < 1V restriction should be re-enabled. */ schedule_delayed_work(&chg->otg_ss_done_work, msecs_to_jiffies(500)); rc = _smblib_vbus_regulator_disable(chg->vbus_vreg->rdev); if (rc < 0) { smblib_err(chg, "Couldn't disable VBUS rc=%d\n", rc); goto unlock; } if (++chg->otg_attempts > OTG_MAX_ATTEMPTS) { cancel_delayed_work_sync(&chg->otg_ss_done_work); smblib_err(chg, "OTG failed to enable after %d attempts\n", chg->otg_attempts - 1); smblib_otg_oc_exit(chg, false); goto unlock; } /* * The real time status should go low within 10ms. Poll every 1-2ms to * minimize the delay when re-enabling OTG. */ for (i = 0; i < MAX_OC_FALLING_TRIES; ++i) { usleep_range(1000, 2000); rc = smblib_read(chg, OTG_BASE + INT_RT_STS_OFFSET, &stat); if (rc >= 0 && !(stat & OTG_OVERCURRENT_RT_STS_BIT)) break; } if (i >= MAX_OC_FALLING_TRIES) { cancel_delayed_work_sync(&chg->otg_ss_done_work); smblib_err(chg, "OTG OC did not fall after %dms\n", 2 * MAX_OC_FALLING_TRIES); smblib_otg_oc_exit(chg, false); goto unlock; } smblib_dbg(chg, PR_OTG, "OTG OC fell after %dms\n", 2 * i + 1); rc = _smblib_vbus_regulator_enable(chg->vbus_vreg->rdev); if (rc < 0) { smblib_err(chg, "Couldn't enable VBUS rc=%d\n", rc); goto unlock; } unlock: mutex_unlock(&chg->otg_oc_lock); } static void smblib_vconn_oc_work(struct work_struct *work) { struct smb_charger *chg = container_of(work, struct smb_charger, vconn_oc_work); int rc, i; u8 stat; if (chg->micro_usb_mode) return; smblib_err(chg, "over-current detected on VCONN\n"); if (!chg->vconn_vreg || !chg->vconn_vreg->rdev) return; mutex_lock(&chg->vconn_oc_lock); rc = _smblib_vconn_regulator_disable(chg->vconn_vreg->rdev); if (rc < 0) { smblib_err(chg, "Couldn't disable VCONN rc=%d\n", rc); goto unlock; } if (++chg->vconn_attempts > VCONN_MAX_ATTEMPTS) { smblib_err(chg, "VCONN failed to enable after %d attempts\n", chg->otg_attempts - 1); chg->vconn_en = false; chg->vconn_attempts = 0; goto unlock; } /* * The real time status should go low within 10ms. Poll every 1-2ms to * minimize the delay when re-enabling OTG. */ for (i = 0; i < MAX_OC_FALLING_TRIES; ++i) { usleep_range(1000, 2000); rc = smblib_read(chg, TYPE_C_STATUS_4_REG, &stat); if (rc >= 0 && !(stat & TYPEC_VCONN_OVERCURR_STATUS_BIT)) break; } if (i >= MAX_OC_FALLING_TRIES) { smblib_err(chg, "VCONN OC did not fall after %dms\n", 2 * MAX_OC_FALLING_TRIES); chg->vconn_en = false; chg->vconn_attempts = 0; goto unlock; } smblib_dbg(chg, PR_OTG, "VCONN OC fell after %dms\n", 2 * i + 1); if (++chg->vconn_attempts > VCONN_MAX_ATTEMPTS) { smblib_err(chg, "VCONN failed to enable after %d attempts\n", chg->vconn_attempts - 1); chg->vconn_en = false; goto unlock; } rc = _smblib_vconn_regulator_enable(chg->vconn_vreg->rdev); if (rc < 0) { smblib_err(chg, "Couldn't enable VCONN rc=%d\n", rc); goto unlock; } unlock: mutex_unlock(&chg->vconn_oc_lock); } static void smblib_otg_ss_done_work(struct work_struct *work) { struct smb_charger *chg = container_of(work, struct smb_charger, otg_ss_done_work.work); int rc; bool success = false; u8 stat; mutex_lock(&chg->otg_oc_lock); rc = smblib_read(chg, OTG_STATUS_REG, &stat); if (rc < 0) smblib_err(chg, "Couldn't read OTG status rc=%d\n", rc); else if (stat & BOOST_SOFTSTART_DONE_BIT) success = true; smblib_otg_oc_exit(chg, success); mutex_unlock(&chg->otg_oc_lock); } static void smblib_icl_change_work(struct work_struct *work) { struct smb_charger *chg = container_of(work, struct smb_charger, icl_change_work.work); int rc, settled_ua; rc = smblib_get_charge_param(chg, &chg->param.icl_stat, &settled_ua); if (rc < 0) { smblib_err(chg, "Couldn't get ICL status rc=%d\n", rc); return; } power_supply_changed(&chg->usb_main_psy); smblib_dbg(chg, PR_INTERRUPT, "icl_settled=%d\n", settled_ua); } static void smblib_pl_enable_work(struct work_struct *work) { struct smb_charger *chg = container_of(work, struct smb_charger, pl_enable_work.work); smblib_dbg(chg, PR_PARALLEL, "timer expired, enabling parallel\n"); vote(chg->pl_disable_votable, PL_DELAY_VOTER, false, 0); vote(chg->awake_votable, PL_DELAY_VOTER, false, 0); } static void smblib_legacy_detection_work(struct work_struct *work) { struct smb_charger *chg = container_of(work, struct smb_charger, legacy_detection_work); int rc; u8 stat; bool legacy, rp_high; mutex_lock(&chg->lock); chg->typec_en_dis_active = 1; smblib_dbg(chg, PR_MISC, "running legacy unknown workaround\n"); rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, TYPEC_DISABLE_CMD_BIT, TYPEC_DISABLE_CMD_BIT); if (rc < 0) smblib_err(chg, "Couldn't disable type-c rc=%d\n", rc); /* wait for the adapter to turn off VBUS */ msleep(1000); smblib_dbg(chg, PR_MISC, "legacy workaround enabling typec\n"); rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, TYPEC_DISABLE_CMD_BIT, 0); if (rc < 0) smblib_err(chg, "Couldn't enable type-c rc=%d\n", rc); /* wait for type-c detection to complete */ msleep(400); rc = smblib_read(chg, TYPE_C_STATUS_5_REG, &stat); if (rc < 0) { smblib_err(chg, "Couldn't read typec stat5 rc = %d\n", rc); goto unlock; } chg->typec_legacy_valid = true; vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, false, 0); legacy = stat & TYPEC_LEGACY_CABLE_STATUS_BIT; rp_high = chg->typec_mode == POWER_SUPPLY_TYPEC_SOURCE_HIGH; smblib_dbg(chg, PR_MISC, "legacy workaround done legacy = %d rp_high = %d\n", legacy, rp_high); if (!legacy || !rp_high) vote(chg->hvdcp_disable_votable_indirect, VBUS_CC_SHORT_VOTER, false, 0); unlock: chg->typec_en_dis_active = 0; smblib_usb_typec_change(chg); mutex_unlock(&chg->lock); } static int smblib_create_votables(struct smb_charger *chg) { int rc = 0; chg->fcc_votable = find_votable("FCC"); if (chg->fcc_votable == NULL) { rc = -EINVAL; smblib_err(chg, "Couldn't find FCC votable rc=%d\n", rc); return rc; } chg->fv_votable = find_votable("FV"); if (chg->fv_votable == NULL) { rc = -EINVAL; smblib_err(chg, "Couldn't find FV votable rc=%d\n", rc); return rc; } chg->usb_icl_votable = find_votable("USB_ICL"); if (!chg->usb_icl_votable) { rc = -EINVAL; smblib_err(chg, "Couldn't find USB_ICL votable rc=%d\n", rc); return rc; } chg->pl_disable_votable = find_votable("PL_DISABLE"); if (chg->pl_disable_votable == NULL) { rc = -EINVAL; smblib_err(chg, "Couldn't find votable PL_DISABLE rc=%d\n", rc); return rc; } chg->pl_enable_votable_indirect = find_votable("PL_ENABLE_INDIRECT"); if (chg->pl_enable_votable_indirect == NULL) { rc = -EINVAL; smblib_err(chg, "Couldn't find votable PL_ENABLE_INDIRECT rc=%d\n", rc); return rc; } vote(chg->pl_disable_votable, PL_DELAY_VOTER, true, 0); chg->dc_suspend_votable = create_votable("DC_SUSPEND", VOTE_SET_ANY, smblib_dc_suspend_vote_callback, chg); if (IS_ERR(chg->dc_suspend_votable)) { rc = PTR_ERR(chg->dc_suspend_votable); return rc; } chg->dc_icl_votable = create_votable("DC_ICL", VOTE_MIN, smblib_dc_icl_vote_callback, chg); if (IS_ERR(chg->dc_icl_votable)) { rc = PTR_ERR(chg->dc_icl_votable); return rc; } chg->pd_disallowed_votable_indirect = create_votable("PD_DISALLOWED_INDIRECT", VOTE_SET_ANY, smblib_pd_disallowed_votable_indirect_callback, chg); if (IS_ERR(chg->pd_disallowed_votable_indirect)) { rc = PTR_ERR(chg->pd_disallowed_votable_indirect); return rc; } chg->pd_allowed_votable = create_votable("PD_ALLOWED", VOTE_SET_ANY, NULL, NULL); if (IS_ERR(chg->pd_allowed_votable)) { rc = PTR_ERR(chg->pd_allowed_votable); return rc; } chg->awake_votable = create_votable("AWAKE", VOTE_SET_ANY, smblib_awake_vote_callback, chg); if (IS_ERR(chg->awake_votable)) { rc = PTR_ERR(chg->awake_votable); return rc; } chg->chg_disable_votable = create_votable("CHG_DISABLE", VOTE_SET_ANY, smblib_chg_disable_vote_callback, chg); if (IS_ERR(chg->chg_disable_votable)) { rc = PTR_ERR(chg->chg_disable_votable); return rc; } chg->hvdcp_disable_votable_indirect = create_votable( "HVDCP_DISABLE_INDIRECT", VOTE_SET_ANY, smblib_hvdcp_disable_indirect_vote_callback, chg); if (IS_ERR(chg->hvdcp_disable_votable_indirect)) { rc = PTR_ERR(chg->hvdcp_disable_votable_indirect); return rc; } chg->hvdcp_enable_votable = create_votable("HVDCP_ENABLE", VOTE_SET_ANY, smblib_hvdcp_enable_vote_callback, chg); if (IS_ERR(chg->hvdcp_enable_votable)) { rc = PTR_ERR(chg->hvdcp_enable_votable); return rc; } chg->apsd_disable_votable = create_votable("APSD_DISABLE", VOTE_SET_ANY, smblib_apsd_disable_vote_callback, chg); if (IS_ERR(chg->apsd_disable_votable)) { rc = PTR_ERR(chg->apsd_disable_votable); return rc; } chg->hvdcp_hw_inov_dis_votable = create_votable("HVDCP_HW_INOV_DIS", VOTE_SET_ANY, smblib_hvdcp_hw_inov_dis_vote_callback, chg); if (IS_ERR(chg->hvdcp_hw_inov_dis_votable)) { rc = PTR_ERR(chg->hvdcp_hw_inov_dis_votable); return rc; } chg->usb_irq_enable_votable = create_votable("USB_IRQ_DISABLE", VOTE_SET_ANY, smblib_usb_irq_enable_vote_callback, chg); if (IS_ERR(chg->usb_irq_enable_votable)) { rc = PTR_ERR(chg->usb_irq_enable_votable); return rc; } chg->typec_irq_disable_votable = create_votable("TYPEC_IRQ_DISABLE", VOTE_SET_ANY, smblib_typec_irq_disable_vote_callback, chg); if (IS_ERR(chg->typec_irq_disable_votable)) { rc = PTR_ERR(chg->typec_irq_disable_votable); return rc; } return rc; } static void smblib_destroy_votables(struct smb_charger *chg) { if (chg->dc_suspend_votable) destroy_votable(chg->dc_suspend_votable); if (chg->usb_icl_votable) destroy_votable(chg->usb_icl_votable); if (chg->dc_icl_votable) destroy_votable(chg->dc_icl_votable); if (chg->pd_disallowed_votable_indirect) destroy_votable(chg->pd_disallowed_votable_indirect); if (chg->pd_allowed_votable) destroy_votable(chg->pd_allowed_votable); if (chg->awake_votable) destroy_votable(chg->awake_votable); if (chg->chg_disable_votable) destroy_votable(chg->chg_disable_votable); if (chg->apsd_disable_votable) destroy_votable(chg->apsd_disable_votable); if (chg->hvdcp_hw_inov_dis_votable) destroy_votable(chg->hvdcp_hw_inov_dis_votable); if (chg->typec_irq_disable_votable) destroy_votable(chg->typec_irq_disable_votable); } static void smblib_iio_deinit(struct smb_charger *chg) { if (!IS_ERR_OR_NULL(chg->iio.temp_chan)) iio_channel_release(chg->iio.temp_chan); if (!IS_ERR_OR_NULL(chg->iio.temp_max_chan)) iio_channel_release(chg->iio.temp_max_chan); if (!IS_ERR_OR_NULL(chg->iio.usbin_i_chan)) iio_channel_release(chg->iio.usbin_i_chan); if (!IS_ERR_OR_NULL(chg->iio.usbin_v_chan)) iio_channel_release(chg->iio.usbin_v_chan); if (!IS_ERR_OR_NULL(chg->iio.batt_i_chan)) iio_channel_release(chg->iio.batt_i_chan); } int smblib_init(struct smb_charger *chg) { int rc = 0; mutex_init(&chg->lock); mutex_init(&chg->write_lock); mutex_init(&chg->otg_oc_lock); mutex_init(&chg->vconn_oc_lock); INIT_WORK(&chg->bms_update_work, bms_update_work); INIT_WORK(&chg->rdstd_cc2_detach_work, rdstd_cc2_detach_work); INIT_DELAYED_WORK(&chg->hvdcp_detect_work, smblib_hvdcp_detect_work); INIT_DELAYED_WORK(&chg->clear_hdc_work, clear_hdc_work); INIT_WORK(&chg->otg_oc_work, smblib_otg_oc_work); INIT_WORK(&chg->vconn_oc_work, smblib_vconn_oc_work); INIT_DELAYED_WORK(&chg->otg_ss_done_work, smblib_otg_ss_done_work); INIT_DELAYED_WORK(&chg->icl_change_work, smblib_icl_change_work); INIT_DELAYED_WORK(&chg->pl_enable_work, smblib_pl_enable_work); INIT_WORK(&chg->legacy_detection_work, smblib_legacy_detection_work); INIT_DELAYED_WORK(&chg->uusb_otg_work, smblib_uusb_otg_work); INIT_DELAYED_WORK(&chg->bb_removal_work, smblib_bb_removal_work); chg->fake_capacity = -EINVAL; chg->fake_input_current_limited = -EINVAL; switch (chg->mode) { case PARALLEL_MASTER: rc = qcom_batt_init(); if (rc < 0) { smblib_err(chg, "Couldn't init qcom_batt_init rc=%d\n", rc); return rc; } rc = smblib_create_votables(chg); if (rc < 0) { smblib_err(chg, "Couldn't create votables rc=%d\n", rc); return rc; } rc = smblib_register_notifier(chg); if (rc < 0) { smblib_err(chg, "Couldn't register notifier rc=%d\n", rc); return rc; } chg->bms_psy = power_supply_get_by_name("bms"); chg->pl.psy = power_supply_get_by_name("parallel"); break; case PARALLEL_SLAVE: break; default: smblib_err(chg, "Unsupported mode %d\n", chg->mode); return -EINVAL; } return rc; } int smblib_deinit(struct smb_charger *chg) { switch (chg->mode) { case PARALLEL_MASTER: cancel_work_sync(&chg->bms_update_work); cancel_work_sync(&chg->rdstd_cc2_detach_work); cancel_delayed_work_sync(&chg->hvdcp_detect_work); cancel_delayed_work_sync(&chg->clear_hdc_work); cancel_work_sync(&chg->otg_oc_work); cancel_work_sync(&chg->vconn_oc_work); cancel_delayed_work_sync(&chg->otg_ss_done_work); cancel_delayed_work_sync(&chg->icl_change_work); cancel_delayed_work_sync(&chg->pl_enable_work); cancel_work_sync(&chg->legacy_detection_work); cancel_delayed_work_sync(&chg->uusb_otg_work); cancel_delayed_work_sync(&chg->bb_removal_work); power_supply_unreg_notifier(&chg->nb); smblib_destroy_votables(chg); qcom_batt_deinit(); break; case PARALLEL_SLAVE: break; default: smblib_err(chg, "Unsupported mode %d\n", chg->mode); return -EINVAL; } smblib_iio_deinit(chg); return 0; }