| /* Copyright (c) 2018 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 <linux/device.h> |
| #include <linux/regmap.h> |
| #include <linux/delay.h> |
| #include <linux/power_supply.h> |
| #include <linux/regulator/driver.h> |
| #include <linux/qpnp/qpnp-revid.h> |
| #include <linux/irq.h> |
| #include <linux/pmic-voter.h> |
| #include "smb5-lib.h" |
| #include "smb5-reg.h" |
| #include "battery.h" |
| #include "step-chg-jeita.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) |
| |
| |
| int smblib_read(struct smb_charger *chg, u16 addr, u8 *val) |
| { |
| unsigned int value; |
| int rc = 0; |
| |
| rc = regmap_read(chg->regmap, addr, &value); |
| if (rc >= 0) |
| *val = (u8)value; |
| |
| return rc; |
| } |
| |
| int smblib_batch_read(struct smb_charger *chg, u16 addr, u8 *val, |
| int count) |
| { |
| return regmap_bulk_read(chg->regmap, addr, val, count); |
| } |
| |
| int smblib_write(struct smb_charger *chg, u16 addr, u8 val) |
| { |
| return regmap_write(chg->regmap, addr, val); |
| } |
| |
| int smblib_masked_write(struct smb_charger *chg, u16 addr, u8 mask, u8 val) |
| { |
| |
| return regmap_update_bits(chg->regmap, addr, mask, val); |
| |
| } |
| |
| 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_7_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_HOT_SOFT_BIT) { |
| rc = smblib_get_charge_param(chg, &chg->param.jeita_cc_comp_hot, |
| &cc_minus_ua); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't get jeita cc minus rc=%d\n", |
| rc); |
| return rc; |
| } |
| } else if (stat & BAT_TEMP_STATUS_COLD_SOFT_BIT) { |
| rc = smblib_get_charge_param(chg, |
| &chg->param.jeita_cc_comp_cold, |
| &cc_minus_ua); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't get jeita cc minus rc=%d\n", |
| rc); |
| return rc; |
| } |
| } else { |
| cc_minus_ua = 0; |
| } |
| |
| *cc_delta_ua = -cc_minus_ua; |
| |
| return 0; |
| } |
| |
| int smblib_stat_sw_override_cfg(struct smb_charger *chg, bool override) |
| { |
| int rc = 0; |
| |
| /* override = 1, SW STAT override; override = 0, HW auto mode */ |
| rc = smblib_masked_write(chg, MISC_SMB_EN_CMD_REG, |
| SMB_EN_OVERRIDE_BIT, |
| override ? SMB_EN_OVERRIDE_BIT : 0); |
| if (rc < 0) { |
| dev_err(chg->dev, "Couldn't configure SW STAT override rc=%d\n", |
| rc); |
| return rc; |
| } |
| |
| return rc; |
| } |
| |
| static void smblib_notify_extcon_props(struct smb_charger *chg, int id) |
| { |
| union extcon_property_value val; |
| union power_supply_propval prop_val; |
| |
| if (chg->connector_type == POWER_SUPPLY_CONNECTOR_TYPEC) { |
| smblib_get_prop_typec_cc_orientation(chg, &prop_val); |
| val.intval = ((prop_val.intval == 2) ? 1 : 0); |
| extcon_set_property(chg->extcon, id, |
| EXTCON_PROP_USB_TYPEC_POLARITY, val); |
| } |
| |
| val.intval = true; |
| extcon_set_property(chg->extcon, id, |
| EXTCON_PROP_USB_SS, val); |
| } |
| |
| static void smblib_notify_device_mode(struct smb_charger *chg, bool enable) |
| { |
| if (enable) |
| smblib_notify_extcon_props(chg, EXTCON_USB); |
| |
| extcon_set_state_sync(chg->extcon, EXTCON_USB, enable); |
| } |
| |
| static void smblib_notify_usb_host(struct smb_charger *chg, bool enable) |
| { |
| if (enable) |
| smblib_notify_extcon_props(chg, EXTCON_USB_HOST); |
| |
| extcon_set_state_sync(chg->extcon, EXTCON_USB_HOST, enable); |
| } |
| |
| /******************** |
| * 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 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 const struct buck_boost_freq chg_freq_list[] = { |
| [0] = { |
| .freq_khz = 2400, |
| .val = 7, |
| }, |
| [1] = { |
| .freq_khz = 2100, |
| .val = 8, |
| }, |
| [2] = { |
| .freq_khz = 1600, |
| .val = 11, |
| }, |
| [3] = { |
| .freq_khz = 1200, |
| .val = 15, |
| }, |
| }; |
| |
| 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].freq_khz == val_u) |
| break; |
| } |
| if (i == ARRAY_SIZE(chg_freq_list)) { |
| pr_err("Invalid frequency %d Hz\n", val_u / 2); |
| return -EINVAL; |
| } |
| |
| *val_raw = chg_freq_list[i].val; |
| |
| return 0; |
| } |
| |
| int smblib_set_opt_switcher_freq(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_switcher, 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_dbg(chg, PR_MISC, |
| "%s: %d is out of range [%d, %d]\n", |
| param->name, val_u, param->min_u, param->max_u); |
| |
| if (val_u > param->max_u) |
| val_u = param->max_u; |
| if (val_u < param->min_u) |
| val_u = param->min_u; |
| |
| 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; |
| |
| 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_switcher_freq(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_switcher_freq(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_switcher_freq(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 int smblib_request_dpdm(struct smb_charger *chg, bool enable) |
| { |
| int rc = 0; |
| |
| /* fetch the DPDM regulator */ |
| if (!chg->dpdm_reg && of_get_property(chg->dev->of_node, |
| "dpdm-supply", NULL)) { |
| chg->dpdm_reg = devm_regulator_get(chg->dev, "dpdm"); |
| if (IS_ERR(chg->dpdm_reg)) { |
| rc = PTR_ERR(chg->dpdm_reg); |
| smblib_err(chg, "Couldn't get dpdm regulator rc=%d\n", |
| rc); |
| chg->dpdm_reg = NULL; |
| return rc; |
| } |
| } |
| |
| if (enable) { |
| if (chg->dpdm_reg && !regulator_is_enabled(chg->dpdm_reg)) { |
| smblib_dbg(chg, PR_MISC, "enabling DPDM regulator\n"); |
| rc = regulator_enable(chg->dpdm_reg); |
| if (rc < 0) |
| smblib_err(chg, |
| "Couldn't enable dpdm regulator rc=%d\n", |
| rc); |
| } |
| } else { |
| if (chg->dpdm_reg && regulator_is_enabled(chg->dpdm_reg)) { |
| smblib_dbg(chg, PR_MISC, "disabling DPDM regulator\n"); |
| rc = regulator_disable(chg->dpdm_reg); |
| if (rc < 0) |
| smblib_err(chg, |
| "Couldn't disable dpdm regulator rc=%d\n", |
| rc); |
| } |
| } |
| |
| return rc; |
| } |
| |
| static void smblib_rerun_apsd(struct smb_charger *chg) |
| { |
| int rc; |
| |
| smblib_dbg(chg, PR_MISC, "re-running APSD\n"); |
| |
| 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; |
| } |
| |
| 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->desc->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->desc->name, "parallel")) { |
| chg->pl.psy = psy; |
| schedule_work(&chg->pl_update_work); |
| } |
| |
| 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); |
| |
| rc = smblib_request_dpdm(chg, false); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't to disable DPDM rc=%d\n", rc); |
| |
| if (chg->wa_flags & BOOST_BACK_WA) { |
| data = chg->irq_info[SWITCHER_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); |
| |
| /* 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); |
| } |
| |
| 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; |
| |
| rc = smblib_request_dpdm(chg, true); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't to enable DPDM rc=%d\n", rc); |
| |
| chg->uusb_apsd_rerun_done = true; |
| smblib_rerun_apsd(chg); |
| |
| return 0; |
| } |
| |
| static int smblib_get_pulse_cnt(struct smb_charger *chg, int *count) |
| { |
| *count = chg->pulse_cnt; |
| return 0; |
| } |
| |
| #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 hc_mode = false; |
| |
| /* 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 set_mode; |
| |
| /* configure current */ |
| if (((chg->typec_mode == POWER_SUPPLY_TYPEC_SOURCE_DEFAULT) |
| || (chg->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_USB)) |
| && (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 out; |
| } |
| } 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 out; |
| } |
| hc_mode = true; |
| } |
| |
| set_mode: |
| rc = smblib_masked_write(chg, USBIN_ICL_OPTIONS_REG, |
| USBIN_MODE_CHG_BIT, hc_mode ? USBIN_MODE_CHG_BIT : 0); |
| |
| /* 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 out; |
| } |
| |
| out: |
| 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->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_USB) |
| && (chg->usb_psy->desc->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; |
| |
| if (chg->smb_version == PMI632_SUBTYPE) |
| return 0; |
| |
| /* resume input if suspend is invalid */ |
| if (suspend < 0) |
| suspend = 0; |
| |
| return smblib_set_dc_suspend(chg, (bool)suspend); |
| } |
| |
| 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_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_LIMITING_IRQ].irq || |
| !chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq) |
| return 0; |
| |
| if (enable) { |
| enable_irq(chg->irq_info[INPUT_CURRENT_LIMITING_IRQ].irq); |
| enable_irq(chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq); |
| } else { |
| disable_irq_nosync( |
| chg->irq_info[INPUT_CURRENT_LIMITING_IRQ].irq); |
| disable_irq_nosync(chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq); |
| } |
| |
| return 0; |
| } |
| |
| /******************* |
| * VCONN REGULATOR * |
| * *****************/ |
| |
| int smblib_vconn_regulator_enable(struct regulator_dev *rdev) |
| { |
| struct smb_charger *chg = rdev_get_drvdata(rdev); |
| int rc = 0; |
| |
| smblib_dbg(chg, PR_OTG, "enabling VCONN\n"); |
| |
| rc = smblib_masked_write(chg, TYPE_C_VCONN_CONTROL_REG, |
| VCONN_EN_VALUE_BIT, VCONN_EN_VALUE_BIT); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't enable vconn setting rc=%d\n", rc); |
| return rc; |
| } |
| |
| return 0; |
| } |
| |
| 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_VCONN_CONTROL_REG, |
| VCONN_EN_VALUE_BIT, 0); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't disable vconn regulator rc=%d\n", rc); |
| |
| return 0; |
| } |
| |
| int smblib_vconn_regulator_is_enabled(struct regulator_dev *rdev) |
| { |
| struct smb_charger *chg = rdev_get_drvdata(rdev); |
| int rc; |
| u8 cmd; |
| |
| rc = smblib_read(chg, TYPE_C_VCONN_CONTROL_REG, &cmd); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n", |
| rc); |
| return rc; |
| } |
| |
| return (cmd & VCONN_EN_VALUE_BIT) ? 1 : 0; |
| } |
| |
| /***************** |
| * OTG REGULATOR * |
| *****************/ |
| |
| int smblib_vbus_regulator_enable(struct regulator_dev *rdev) |
| { |
| struct smb_charger *chg = rdev_get_drvdata(rdev); |
| int rc; |
| |
| smblib_dbg(chg, PR_OTG, "enabling OTG\n"); |
| |
| rc = smblib_masked_write(chg, DCDC_CMD_OTG_REG, OTG_EN_BIT, OTG_EN_BIT); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't enable OTG 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; |
| |
| smblib_dbg(chg, PR_OTG, "disabling OTG\n"); |
| |
| rc = smblib_masked_write(chg, DCDC_CMD_OTG_REG, OTG_EN_BIT, 0); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't disable OTG regulator rc=%d\n", rc); |
| return rc; |
| } |
| |
| return 0; |
| } |
| |
| int smblib_vbus_regulator_is_enabled(struct regulator_dev *rdev) |
| { |
| struct smb_charger *chg = rdev_get_drvdata(rdev); |
| int rc = 0; |
| u8 cmd; |
| |
| rc = smblib_read(chg, DCDC_CMD_OTG_REG, &cmd); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read CMD_OTG rc=%d", rc); |
| return rc; |
| } |
| |
| return (cmd & OTG_EN_BIT) ? 1 : 0; |
| } |
| |
| /******************** |
| * 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 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; |
| |
| if (!usb_online && dc_online |
| && chg->fake_batt_status == POWER_SUPPLY_STATUS_FULL) { |
| val->intval = POWER_SUPPLY_STATUS_FULL; |
| return 0; |
| } |
| |
| rc = smblib_read(chg, BATTERY_CHARGER_STATUS_5_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_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 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_batt_voltage_now(chg, &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; |
| } |
| } |
| } |
| |
| 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; |
| } |
| 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_BIT) |
| val->intval = POWER_SUPPLY_HEALTH_COOL; |
| else if (stat & BAT_TEMP_STATUS_HOT_SOFT_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_system_temp_level_max(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| val->intval = chg->thermal_levels; |
| 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_voltage_now(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc; |
| |
| if (!chg->bms_psy) |
| return -EINVAL; |
| |
| rc = power_supply_get_property(chg->bms_psy, |
| POWER_SUPPLY_PROP_VOLTAGE_NOW, val); |
| return rc; |
| } |
| |
| int smblib_get_prop_batt_current_now(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc; |
| |
| if (!chg->bms_psy) |
| return -EINVAL; |
| |
| rc = power_supply_get_property(chg->bms_psy, |
| POWER_SUPPLY_PROP_CURRENT_NOW, val); |
| return rc; |
| } |
| |
| int smblib_get_prop_batt_temp(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc; |
| |
| if (!chg->bms_psy) |
| return -EINVAL; |
| |
| rc = power_supply_get_property(chg->bms_psy, |
| POWER_SUPPLY_PROP_TEMP, val); |
| return rc; |
| } |
| |
| 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_batt_charge_counter(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc; |
| |
| if (!chg->bms_psy) |
| return -EINVAL; |
| |
| rc = power_supply_get_property(chg->bms_psy, |
| POWER_SUPPLY_PROP_CHARGE_COUNTER, 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_batt_status(struct smb_charger *chg, |
| const union power_supply_propval *val) |
| { |
| /* Faking battery full */ |
| if (val->intval == POWER_SUPPLY_STATUS_FULL) |
| chg->fake_batt_status = val->intval; |
| else |
| chg->fake_batt_status = -EINVAL; |
| |
| 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_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; |
| 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_masked_write(chg, AICL_CMD_REG, RERUN_AICL_BIT, |
| RERUN_AICL_BIT); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't write to AICL_CMD_REG rc=%d\n", |
| rc); |
| 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; |
| } |
| |
| static int smblib_force_vbus_voltage(struct smb_charger *chg, u8 val) |
| { |
| int rc; |
| |
| rc = smblib_masked_write(chg, CMD_HVDCP_2_REG, val, val); |
| 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 curr 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_FORCE_5V: |
| rc = smblib_force_vbus_voltage(chg, FORCE_5V_BIT); |
| if (rc < 0) |
| pr_err("Failed to force 5V\n"); |
| break; |
| case POWER_SUPPLY_DP_DM_FORCE_9V: |
| rc = smblib_force_vbus_voltage(chg, FORCE_9V_BIT); |
| if (rc < 0) |
| pr_err("Failed to force 9V\n"); |
| break; |
| case POWER_SUPPLY_DP_DM_FORCE_12V: |
| rc = smblib_force_vbus_voltage(chg, FORCE_12V_BIT); |
| if (rc < 0) |
| pr_err("Failed to force 12V\n"); |
| break; |
| case POWER_SUPPLY_DP_DM_ICL_UP: |
| default: |
| break; |
| } |
| |
| return rc; |
| } |
| |
| int smblib_disable_hw_jeita(struct smb_charger *chg, bool disable) |
| { |
| int rc; |
| u8 mask; |
| |
| /* |
| * Disable h/w base JEITA compensation if s/w JEITA is enabled |
| */ |
| mask = JEITA_EN_COLD_SL_FCV_BIT |
| | JEITA_EN_HOT_SL_FCV_BIT |
| | JEITA_EN_HOT_SL_CCC_BIT |
| | JEITA_EN_COLD_SL_CCC_BIT, |
| rc = smblib_masked_write(chg, JEITA_EN_CFG_REG, mask, |
| disable ? 0 : mask); |
| if (rc < 0) { |
| dev_err(chg->dev, "Couldn't configure s/w jeita rc=%d\n", |
| rc); |
| return rc; |
| } |
| return 0; |
| } |
| |
| /******************* |
| * 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; |
| } |
| |
| /******************* |
| * 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_max(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| switch (chg->real_charger_type) { |
| case POWER_SUPPLY_TYPE_USB_HVDCP: |
| case POWER_SUPPLY_TYPE_USB_HVDCP_3: |
| case POWER_SUPPLY_TYPE_USB_PD: |
| if (chg->smb_version == PMI632_SUBTYPE) |
| val->intval = MICRO_9V; |
| else |
| val->intval = MICRO_12V; |
| break; |
| default: |
| val->intval = MICRO_5V; |
| break; |
| } |
| |
| return 0; |
| } |
| |
| int smblib_get_prop_typec_cc_orientation(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc = 0; |
| u8 stat; |
| |
| rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc); |
| return rc; |
| } |
| smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_4 = 0x%02x\n", stat); |
| |
| if (stat & CC_ATTACHED_BIT) |
| val->intval = (bool)(stat & CC_ORIENTATION_BIT) + 1; |
| else |
| val->intval = 0; |
| |
| return rc; |
| } |
| |
| 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) |
| { |
| int rc; |
| u8 stat; |
| |
| rc = smblib_read(chg, TYPE_C_SNK_STATUS_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read TYPE_C_STATUS_1 rc=%d\n", rc); |
| return POWER_SUPPLY_TYPEC_NONE; |
| } |
| smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_1 = 0x%02x\n", stat); |
| |
| switch (stat & DETECTED_SRC_TYPE_MASK) { |
| case SNK_RP_STD_BIT: |
| return POWER_SUPPLY_TYPEC_SOURCE_DEFAULT; |
| case SNK_RP_1P5_BIT: |
| return POWER_SUPPLY_TYPEC_SOURCE_MEDIUM; |
| case SNK_RP_3P0_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) |
| { |
| int rc; |
| u8 stat; |
| |
| rc = smblib_read(chg, TYPE_C_SRC_STATUS_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read TYPE_C_SRC_STATUS_REG rc=%d\n", |
| rc); |
| return POWER_SUPPLY_TYPEC_NONE; |
| } |
| smblib_dbg(chg, PR_REGISTER, "TYPE_C_SRC_STATUS_REG = 0x%02x\n", stat); |
| |
| switch (stat & DETECTED_SNK_TYPE_MASK) { |
| case AUDIO_ACCESS_RA_RA_BIT: |
| return POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER; |
| case SRC_DEBUG_ACCESS_BIT: |
| return POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY; |
| case SRC_RD_RA_VCONN_BIT: |
| return POWER_SUPPLY_TYPEC_SINK_POWERED_CABLE; |
| case SRC_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) |
| { |
| int rc; |
| u8 stat; |
| |
| rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read TYPE_C_MISC_STATUS_REG rc=%d\n", |
| rc); |
| return 0; |
| } |
| smblib_dbg(chg, PR_REGISTER, "TYPE_C_MISC_STATUS_REG = 0x%02x\n", stat); |
| |
| if (stat & SNK_SRC_MODE_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_MODE_CFG_REG, &ctrl); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read TYPE_C_MODE_CFG_REG rc=%d\n", |
| rc); |
| return rc; |
| } |
| smblib_dbg(chg, PR_REGISTER, "TYPE_C_MODE_CFG_REG = 0x%02x\n", |
| ctrl); |
| |
| if (ctrl & TYPEC_DISABLE_CMD_BIT) { |
| val->intval = POWER_SUPPLY_TYPEC_PR_NONE; |
| return rc; |
| } |
| |
| switch (ctrl & (EN_SRC_ONLY_BIT | EN_SNK_ONLY_BIT)) { |
| case 0: |
| val->intval = POWER_SUPPLY_TYPEC_PR_DUAL; |
| break; |
| case EN_SRC_ONLY_BIT: |
| val->intval = POWER_SUPPLY_TYPEC_PR_SOURCE; |
| break; |
| case EN_SNK_ONLY_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 & (EN_SRC_ONLY_BIT | EN_SNK_ONLY_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, |
| APSD_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_sdp_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_switcher, |
| 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; |
| |
| if (chg->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_USB) |
| return 0; |
| |
| 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 = EN_SNK_ONLY_BIT; |
| break; |
| case POWER_SUPPLY_TYPEC_PR_SOURCE: |
| power_role = EN_SRC_ONLY_BIT; |
| break; |
| default: |
| smblib_err(chg, "power role %d not supported\n", val->intval); |
| return -EINVAL; |
| } |
| |
| rc = smblib_masked_write(chg, TYPE_C_MODE_CFG_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_pd_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_pd_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; |
| power_supply_changed(chg->usb_main_psy); |
| |
| return rc; |
| } |
| |
| static int __smblib_set_prop_pd_active(struct smb_charger *chg, bool pd_active) |
| { |
| int rc = 0; |
| |
| chg->pd_active = pd_active; |
| |
| if (chg->pd_active) { |
| vote(chg->pd_allowed_votable, PD_VOTER, true, 0); |
| vote(chg->usb_irq_enable_votable, PD_VOTER, true, 0); |
| |
| /* |
| * 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 { |
| vote(chg->pd_allowed_votable, PD_VOTER, true, 0); |
| vote(chg->usb_irq_enable_votable, PD_VOTER, false, 0); |
| } |
| |
| smblib_update_usb_type(chg); |
| power_supply_changed(chg->usb_psy); |
| 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_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_EXIT_STATE_CFG_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); |
| |
| return rc; |
| } |
| |
| static int smblib_recover_from_soft_jeita(struct smb_charger *chg) |
| { |
| u8 stat1, stat7; |
| int rc; |
| |
| rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat1); |
| 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_7_REG, &stat7); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n", |
| rc); |
| return rc; |
| } |
| |
| if ((chg->jeita_status && !(stat7 & BAT_TEMP_STATUS_SOFT_LIMIT_MASK) && |
| ((stat1 & 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 = stat7 & 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; |
| |
| if (chg->sw_jeita_enabled) { |
| val->intval = 0; |
| return 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 stat; |
| |
| if (chg->pd_active) { |
| *total_current_ua = |
| get_client_vote_locked(chg->usb_icl_votable, PD_VOTER); |
| return rc; |
| } |
| |
| rc = smblib_read(chg, LEGACY_CABLE_STATUS_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read TYPE_C_STATUS_5 rc=%d\n", rc); |
| return rc; |
| } |
| non_compliant = stat & 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; |
| } |
| |
| /********************** |
| * INTERRUPT HANDLERS * |
| **********************/ |
| |
| irqreturn_t default_irq_handler(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 chg_state_change_irq_handler(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 batt_temp_changed_irq_handler(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 batt_psy_changed_irq_handler(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 usbin_uv_irq_handler(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[SWITCHER_POWER_OK_IRQ].irq_data) |
| return IRQ_HANDLED; |
| |
| wdata = &chg->irq_info[SWITCHER_POWER_OK_IRQ].irq_data->storm_data; |
| reset_storm_count(wdata); |
| return IRQ_HANDLED; |
| } |
| |
| #define USB_WEAK_INPUT_UA 1400000 |
| #define ICL_CHANGE_DELAY_MS 1000 |
| irqreturn_t icl_change_irq_handler(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)) |
| 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_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_notify_device_mode(chg, false); |
| 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) { |
| if (chg->wa_flags & BOOST_BACK_WA) { |
| data = chg->irq_info[SWITCHER_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); |
| } |
| } |
| } |
| |
| power_supply_changed(chg->usb_psy); |
| 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_switcher_freq(chg, vbus_rising ? chg->chg_freq.freq_5V : |
| chg->chg_freq.freq_removal); |
| |
| if (vbus_rising) { |
| rc = smblib_request_dpdm(chg, true); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't to enable DPDM rc=%d\n", rc); |
| |
| /* 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[SWITCHER_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); |
| } |
| } |
| |
| rc = smblib_request_dpdm(chg, false); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't disable DPDM rc=%d\n", rc); |
| } |
| |
| if (chg->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_USB) |
| smblib_micro_usb_plugin(chg, vbus_rising); |
| |
| power_supply_changed(chg->usb_psy); |
| smblib_dbg(chg, PR_INTERRUPT, "IRQ: usbin-plugin %s\n", |
| vbus_rising ? "attached" : "detached"); |
| } |
| |
| irqreturn_t usb_plugin_irq_handler(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; |
| } |
| |
| 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_switcher_freq(chg, |
| chg->chg_freq.freq_5V); |
| break; |
| case QC_9V_BIT: |
| smblib_set_opt_switcher_freq(chg, |
| chg->chg_freq.freq_9V); |
| break; |
| case QC_12V_BIT: |
| smblib_set_opt_switcher_freq(chg, |
| chg->chg_freq.freq_12V); |
| break; |
| default: |
| smblib_set_opt_switcher_freq(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_switcher_freq(chg, |
| chg->chg_freq.freq_5V); |
| else if (pulses < QC3_PULSES_FOR_9V) |
| smblib_set_opt_switcher_freq(chg, |
| chg->chg_freq.freq_6V_8V); |
| else if (pulses < QC3_PULSES_FOR_12V) |
| smblib_set_opt_switcher_freq(chg, |
| chg->chg_freq.freq_9V); |
| else |
| smblib_set_opt_switcher_freq(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; |
| |
| if (!rising) |
| return; |
| |
| vote(chg->pd_disallowed_votable_indirect, APSD_VOTER, false, 0); |
| |
| 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); |
| 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) { |
| |
| /* enable HDC and ICL irq for QC2/3 charger */ |
| if (qc_charger) |
| vote(chg->usb_irq_enable_votable, QC_VOTER, true, 0); |
| else |
| vote(chg->pd_disallowed_votable_indirect, APSD_VOTER, |
| false, 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: %s %s\n", __func__, |
| rising ? "rising" : "falling"); |
| } |
| |
| /* triggers when HVDCP is detected */ |
| static void smblib_handle_hvdcp_detect_done(struct smb_charger *chg, |
| bool rising) |
| { |
| smblib_dbg(chg, PR_INTERRUPT, "IRQ: hvdcp-detect-done %s\n", |
| rising ? "rising" : "falling"); |
| } |
| |
| static void smblib_handle_apsd_done(struct smb_charger *chg, bool rising) |
| { |
| const struct apsd_result *apsd_result; |
| |
| if (!rising) |
| return; |
| |
| apsd_result = smblib_update_usb_type(chg); |
| |
| switch (apsd_result->bit) { |
| case SDP_CHARGER_BIT: |
| case CDP_CHARGER_BIT: |
| /* if not DCP then no hvdcp timeout happens. Enable pd here */ |
| vote(chg->pd_disallowed_votable_indirect, APSD_VOTER, |
| false, 0); |
| if ((chg->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_USB) |
| || chg->use_extcon) |
| smblib_notify_device_mode(chg, true); |
| break; |
| 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, APSD_VOTER, |
| false, 0); |
| break; |
| case DCP_CHARGER_BIT: |
| break; |
| default: |
| break; |
| } |
| |
| smblib_dbg(chg, PR_INTERRUPT, "IRQ: apsd-done rising; %s detected\n", |
| apsd_result->name); |
| } |
| |
| irqreturn_t usb_source_change_irq_handler(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->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_USB) |
| && (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); |
| |
| power_supply_changed(chg->usb_psy); |
| |
| 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, APSD_VOTER, false, 0); |
| if (chg->use_extcon) { |
| smblib_notify_usb_host(chg, true); |
| chg->otg_present = true; |
| } |
| } |
| |
| static void typec_sink_removal(struct smb_charger *chg) |
| { |
| smblib_set_charge_param(chg, &chg->param.freq_switcher, |
| chg->chg_freq.freq_above_otg_threshold); |
| chg->boost_current_ua = 0; |
| } |
| |
| static void smblib_handle_typec_removal(struct smb_charger *chg) |
| { |
| int rc; |
| struct smb_irq_data *data; |
| struct storm_watch *wdata; |
| |
| rc = smblib_request_dpdm(chg, false); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't disable DPDM rc=%d\n", rc); |
| |
| if (chg->wa_flags & BOOST_BACK_WA) { |
| data = chg->irq_info[SWITCHER_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); |
| } |
| } |
| |
| cancel_delayed_work_sync(&chg->pl_enable_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); |
| vote(chg->usb_icl_votable, OTG_VOTER, false, 0); |
| vote(chg->usb_icl_votable, CTM_VOTER, false, 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, APSD_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_disable_votable, PL_FCC_LOW_VOTER, false, 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; |
| |
| /* 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 103mS tCC debounce */ |
| rc = smblib_masked_write(chg, TYPE_C_DEBOUNCE_OPTION_REG, |
| REDUCE_TCCDEBOUNCE_TO_2MS_BIT, 0); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't set 120mS tCC debounce 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_MODE_CFG_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, TYPE_C_CCOUT_CONTROL_REG, |
| TYPEC_CCOUT_SRC_BIT, 0); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't enable HW cc_out rc=%d\n", rc); |
| |
| |
| rc = smblib_masked_write(chg, TYPE_C_VCONN_CONTROL_REG, |
| VCONN_EN_SRC_BIT, 0); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't set TYPE_C_VCONN_CONTROL_REG rc=%d\n", |
| rc); |
| |
| /* clear exit sink based on cc */ |
| rc = smblib_masked_write(chg, TYPE_C_EXIT_STATE_CFG_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->use_extcon) { |
| if (chg->otg_present) |
| smblib_notify_usb_host(chg, false); |
| else |
| smblib_notify_device_mode(chg, false); |
| } |
| chg->otg_present = false; |
| } |
| |
| static void smblib_handle_typec_insertion(struct smb_charger *chg) |
| { |
| int rc; |
| u8 stat; |
| |
| vote(chg->pd_disallowed_votable_indirect, CC_DETACHED_VOTER, false, 0); |
| |
| rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc); |
| return; |
| } |
| |
| if (stat & SNK_SRC_MODE_BIT) { |
| typec_sink_insertion(chg); |
| } else { |
| rc = smblib_request_dpdm(chg, true); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't to enable DPDM rc=%d\n", rc); |
| 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) |
| { |
| u8 stat; |
| int typec_mode, rc; |
| |
| 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); |
| } |
| |
| rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc); |
| return; |
| } |
| /* suspend usb if sink */ |
| if ((stat & SNK_SRC_MODE_BIT) && chg->typec_present) |
| vote(chg->usb_icl_votable, OTG_VOTER, true, 0); |
| else |
| vote(chg->usb_icl_votable, OTG_VOTER, false, 0); |
| |
| 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; |
| u8 stat; |
| |
| smblib_handle_typec_cc_state_change(chg); |
| |
| rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc); |
| return; |
| } |
| |
| if (stat & TYPEC_VBUS_ERROR_STATUS_BIT) |
| smblib_dbg(chg, PR_INTERRUPT, "IRQ: vbus-error\n"); |
| |
| power_supply_changed(chg->usb_psy); |
| } |
| |
| irqreturn_t typec_or_rid_detection_change_irq_handler(int irq, void *data) |
| { |
| struct smb_irq_data *irq_data = data; |
| struct smb_charger *chg = irq_data->parent_data; |
| |
| if (chg->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_USB) { |
| 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; |
| } |
| |
| return IRQ_HANDLED; |
| } |
| |
| irqreturn_t typec_state_change_irq_handler(int irq, void *data) |
| { |
| struct smb_irq_data *irq_data = data; |
| struct smb_charger *chg = irq_data->parent_data; |
| |
| if ((chg->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_USB) |
| || chg->pr_swap_in_progress) { |
| smblib_dbg(chg, PR_INTERRUPT, |
| "Ignoring since pr_swap_in_progress\n"); |
| return IRQ_HANDLED; |
| } |
| |
| mutex_lock(&chg->lock); |
| smblib_usb_typec_change(chg); |
| mutex_unlock(&chg->lock); |
| return IRQ_HANDLED; |
| } |
| |
| irqreturn_t dc_plugin_irq_handler(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 high_duty_cycle_irq_handler(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 switcher_power_ok_irq_handler(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 wdog_bark_irq_handler(int irq, void *data) |
| { |
| struct smb_irq_data *irq_data = data; |
| struct smb_charger *chg = irq_data->parent_data; |
| int rc; |
| |
| smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); |
| |
| 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); |
| |
| if (chg->step_chg_enabled || chg->sw_jeita_enabled) |
| power_supply_changed(chg->batt_psy); |
| |
| 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, TYPE_C_DEBOUNCE_OPTION_REG, |
| REDUCE_TCCDEBOUNCE_TO_2MS_BIT, |
| val->intval ? REDUCE_TCCDEBOUNCE_TO_2MS_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, TYPEC_U_USB_STATUS_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_GROUND_NOVBUS_BIT); |
| if (chg->otg_present != otg) |
| smblib_notify_usb_host(chg, otg); |
| chg->otg_present = otg; |
| if (!otg) |
| chg->boost_current_ua = 0; |
| |
| rc = smblib_set_charge_param(chg, &chg->param.freq_switcher, |
| otg ? chg->chg_freq.freq_below_otg_threshold |
| : chg->chg_freq.freq_removal); |
| if (rc < 0) |
| dev_err(chg->dev, "Error in setting freq_boost rc=%d\n", rc); |
| |
| smblib_dbg(chg, PR_REGISTER, "TYPE_C_U_USB_STATUS = 0x%02x OTG=%d\n", |
| stat, otg); |
| power_supply_changed(chg->usb_psy); |
| |
| out: |
| vote(chg->awake_votable, OTG_DELAY_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); |
| |
| if (chg->batt_psy) |
| power_supply_changed(chg->batt_psy); |
| } |
| |
| static void pl_update_work(struct work_struct *work) |
| { |
| struct smb_charger *chg = container_of(work, struct smb_charger, |
| pl_update_work); |
| |
| smblib_stat_sw_override_cfg(chg, false); |
| } |
| |
| 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 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 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 == NULL) { |
| 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); |
| chg->dc_suspend_votable = NULL; |
| 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); |
| chg->pd_disallowed_votable_indirect = NULL; |
| 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); |
| chg->pd_allowed_votable = NULL; |
| 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); |
| chg->awake_votable = NULL; |
| 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); |
| chg->chg_disable_votable = NULL; |
| 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); |
| chg->usb_irq_enable_votable = NULL; |
| 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->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); |
| } |
| |
| int smblib_init(struct smb_charger *chg) |
| { |
| int rc = 0; |
| |
| mutex_init(&chg->lock); |
| mutex_init(&chg->otg_oc_lock); |
| INIT_WORK(&chg->bms_update_work, bms_update_work); |
| INIT_WORK(&chg->pl_update_work, pl_update_work); |
| INIT_DELAYED_WORK(&chg->clear_hdc_work, clear_hdc_work); |
| INIT_DELAYED_WORK(&chg->icl_change_work, smblib_icl_change_work); |
| INIT_DELAYED_WORK(&chg->pl_enable_work, smblib_pl_enable_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; |
| chg->fake_batt_status = -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 = qcom_step_chg_init(chg->dev, chg->step_chg_enabled, |
| chg->sw_jeita_enabled); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't init qcom_step_chg_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; |
| } |
| |
| chg->bms_psy = power_supply_get_by_name("bms"); |
| chg->pl.psy = power_supply_get_by_name("parallel"); |
| if (chg->pl.psy) { |
| rc = smblib_stat_sw_override_cfg(chg, false); |
| if (rc < 0) { |
| smblib_err(chg, |
| "Couldn't config stat sw 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; |
| } |
| 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->pl_update_work); |
| cancel_delayed_work_sync(&chg->clear_hdc_work); |
| cancel_delayed_work_sync(&chg->icl_change_work); |
| cancel_delayed_work_sync(&chg->pl_enable_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_step_chg_deinit(); |
| qcom_batt_deinit(); |
| break; |
| case PARALLEL_SLAVE: |
| break; |
| default: |
| smblib_err(chg, "Unsupported mode %d\n", chg->mode); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |