| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. |
| */ |
| |
| #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/iio/consumer.h> |
| #include <linux/pmic-voter.h> |
| #include <linux/of_batterydata.h> |
| #include "smb5-lib.h" |
| #include "smb5-reg.h" |
| #include "battery.h" |
| #include "schgm-flash.h" |
| #include "step-chg-jeita.h" |
| #include "storm-watch.h" |
| #include "schgm-flash.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) |
| |
| #define typec_rp_med_high(chg, typec_mode) \ |
| ((typec_mode == POWER_SUPPLY_TYPEC_SOURCE_MEDIUM \ |
| || typec_mode == POWER_SUPPLY_TYPEC_SOURCE_HIGH) \ |
| && (!chg->typec_legacy || chg->typec_legacy_use_rp_icl)) |
| |
| static void update_sw_icl_max(struct smb_charger *chg, int pst); |
| |
| 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_batch_write(struct smb_charger *chg, u16 addr, u8 *val, |
| int count) |
| { |
| return regmap_bulk_write(chg->regmap, addr, val, count); |
| } |
| |
| 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_iio_channel(struct smb_charger *chg, const char *propname, |
| struct iio_channel **chan) |
| { |
| int rc = 0; |
| |
| rc = of_property_match_string(chg->dev->of_node, |
| "io-channel-names", propname); |
| if (rc < 0) |
| return 0; |
| |
| *chan = iio_channel_get(chg->dev, propname); |
| if (IS_ERR(*chan)) { |
| rc = PTR_ERR(*chan); |
| if (rc != -EPROBE_DEFER) |
| smblib_err(chg, "%s channel unavailable, %d\n", |
| propname, rc); |
| *chan = NULL; |
| } |
| |
| return rc; |
| } |
| |
| #define DIV_FACTOR_MICRO_V_I 1 |
| #define DIV_FACTOR_MILI_V_I 1000 |
| #define DIV_FACTOR_DECIDEGC 100 |
| int smblib_read_iio_channel(struct smb_charger *chg, struct iio_channel *chan, |
| int div, int *data) |
| { |
| int rc = 0; |
| *data = -ENODATA; |
| |
| if (chan) { |
| rc = iio_read_channel_processed(chan, data); |
| if (rc < 0) { |
| smblib_err(chg, "Error in reading IIO channel data, rc=%d\n", |
| rc); |
| return rc; |
| } |
| |
| if (div != 0) |
| *data /= div; |
| } |
| |
| return rc; |
| } |
| |
| 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_icl_override(struct smb_charger *chg, enum icl_override_mode mode) |
| { |
| int rc; |
| u8 usb51_mode, icl_override, apsd_override; |
| |
| switch (mode) { |
| case SW_OVERRIDE_USB51_MODE: |
| usb51_mode = 0; |
| icl_override = ICL_OVERRIDE_BIT; |
| apsd_override = 0; |
| break; |
| case SW_OVERRIDE_HC_MODE: |
| usb51_mode = USBIN_MODE_CHG_BIT; |
| icl_override = 0; |
| apsd_override = ICL_OVERRIDE_AFTER_APSD_BIT; |
| break; |
| case HW_AUTO_MODE: |
| default: |
| usb51_mode = USBIN_MODE_CHG_BIT; |
| icl_override = 0; |
| apsd_override = 0; |
| break; |
| } |
| |
| rc = smblib_masked_write(chg, USBIN_ICL_OPTIONS_REG, |
| USBIN_MODE_CHG_BIT, usb51_mode); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't set USBIN_ICL_OPTIONS rc=%d\n", rc); |
| return rc; |
| } |
| |
| rc = smblib_masked_write(chg, CMD_ICL_OVERRIDE_REG, |
| ICL_OVERRIDE_BIT, icl_override); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't override ICL rc=%d\n", rc); |
| return rc; |
| } |
| |
| rc = smblib_masked_write(chg, USBIN_LOAD_CFG_REG, |
| ICL_OVERRIDE_AFTER_APSD_BIT, apsd_override); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't override ICL_AFTER_APSD rc=%d\n", rc); |
| return rc; |
| } |
| |
| return rc; |
| } |
| |
| /* |
| * This function does smb_en pin access, which is lock protected. |
| * It should be called with smb_lock held. |
| */ |
| static int smblib_select_sec_charger_locked(struct smb_charger *chg, |
| int sec_chg) |
| { |
| int rc = 0; |
| |
| switch (sec_chg) { |
| case POWER_SUPPLY_CHARGER_SEC_CP: |
| vote(chg->pl_disable_votable, PL_SMB_EN_VOTER, true, 0); |
| |
| /* select Charge Pump instead of slave charger */ |
| rc = smblib_masked_write(chg, MISC_SMB_CFG_REG, |
| SMB_EN_SEL_BIT, SMB_EN_SEL_BIT); |
| if (rc < 0) { |
| dev_err(chg->dev, "Couldn't select SMB charger rc=%d\n", |
| rc); |
| return rc; |
| } |
| /* Enable Charge Pump, under HW control */ |
| rc = smblib_masked_write(chg, MISC_SMB_EN_CMD_REG, |
| EN_CP_CMD_BIT, EN_CP_CMD_BIT); |
| if (rc < 0) { |
| dev_err(chg->dev, "Couldn't enable SMB charger rc=%d\n", |
| rc); |
| return rc; |
| } |
| vote(chg->smb_override_votable, PL_SMB_EN_VOTER, false, 0); |
| break; |
| case POWER_SUPPLY_CHARGER_SEC_PL: |
| /* select slave charger instead of Charge Pump */ |
| rc = smblib_masked_write(chg, MISC_SMB_CFG_REG, |
| SMB_EN_SEL_BIT, 0); |
| if (rc < 0) { |
| dev_err(chg->dev, "Couldn't select SMB charger rc=%d\n", |
| rc); |
| return rc; |
| } |
| /* Enable slave charger, under HW control */ |
| rc = smblib_masked_write(chg, MISC_SMB_EN_CMD_REG, |
| EN_STAT_CMD_BIT, EN_STAT_CMD_BIT); |
| if (rc < 0) { |
| dev_err(chg->dev, "Couldn't enable SMB charger rc=%d\n", |
| rc); |
| return rc; |
| } |
| vote(chg->smb_override_votable, PL_SMB_EN_VOTER, false, 0); |
| |
| vote(chg->pl_disable_votable, PL_SMB_EN_VOTER, false, 0); |
| |
| break; |
| case POWER_SUPPLY_CHARGER_SEC_NONE: |
| default: |
| vote(chg->pl_disable_votable, PL_SMB_EN_VOTER, true, 0); |
| |
| /* SW override, disabling secondary charger(s) */ |
| vote(chg->smb_override_votable, PL_SMB_EN_VOTER, true, 0); |
| break; |
| } |
| |
| return rc; |
| } |
| |
| static int smblib_select_sec_charger(struct smb_charger *chg, int sec_chg, |
| int reason, bool toggle) |
| { |
| int rc; |
| |
| mutex_lock(&chg->smb_lock); |
| |
| if (toggle && sec_chg == POWER_SUPPLY_CHARGER_SEC_CP) { |
| rc = smblib_select_sec_charger_locked(chg, |
| POWER_SUPPLY_CHARGER_SEC_NONE); |
| if (rc < 0) { |
| dev_err(chg->dev, "Couldn't disable secondary charger rc=%d\n", |
| rc); |
| goto unlock_out; |
| } |
| |
| /* |
| * A minimum of 20us delay is expected before switching on STAT |
| * pin. |
| */ |
| usleep_range(20, 30); |
| } |
| |
| rc = smblib_select_sec_charger_locked(chg, sec_chg); |
| if (rc < 0) { |
| dev_err(chg->dev, "Couldn't switch secondary charger rc=%d\n", |
| rc); |
| goto unlock_out; |
| } |
| |
| chg->sec_chg_selected = sec_chg; |
| chg->cp_reason = reason; |
| |
| unlock_out: |
| mutex_unlock(&chg->smb_lock); |
| |
| 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) |
| { |
| int rc = 0; |
| |
| if (enable) { |
| smblib_dbg(chg, PR_OTG, "enabling VBUS in OTG mode\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 VBUS in OTG mode rc=%d\n", rc); |
| return; |
| } |
| |
| smblib_notify_extcon_props(chg, EXTCON_USB_HOST); |
| } else { |
| smblib_dbg(chg, PR_OTG, "disabling VBUS in OTG mode\n"); |
| rc = smblib_masked_write(chg, DCDC_CMD_OTG_REG, |
| OTG_EN_BIT, 0); |
| if (rc < 0) { |
| smblib_err(chg, |
| "Couldn't disable VBUS in OTG mode rc=%d\n", |
| rc); |
| return; |
| } |
| } |
| |
| 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; |
| } |
| |
| |
| static const s16 therm_lookup_table[] = { |
| /* Index -30C~85C, ADC raw code */ |
| 0x6C92, 0x6C43, 0x6BF0, 0x6B98, 0x6B3A, 0x6AD8, 0x6A70, 0x6A03, |
| 0x6990, 0x6916, 0x6897, 0x6811, 0x6785, 0x66F2, 0x6658, 0x65B7, |
| 0x650F, 0x6460, 0x63AA, 0x62EC, 0x6226, 0x6159, 0x6084, 0x5FA8, |
| 0x5EC3, 0x5DD8, 0x5CE4, 0x5BE9, 0x5AE7, 0x59DD, 0x58CD, 0x57B5, |
| 0x5696, 0x5571, 0x5446, 0x5314, 0x51DD, 0x50A0, 0x4F5E, 0x4E17, |
| 0x4CCC, 0x4B7D, 0x4A2A, 0x48D4, 0x477C, 0x4621, 0x44C4, 0x4365, |
| 0x4206, 0x40A6, 0x3F45, 0x3DE6, 0x3C86, 0x3B28, 0x39CC, 0x3872, |
| 0x3719, 0x35C4, 0x3471, 0x3322, 0x31D7, 0x308F, 0x2F4C, 0x2E0D, |
| 0x2CD3, 0x2B9E, 0x2A6E, 0x2943, 0x281D, 0x26FE, 0x25E3, 0x24CF, |
| 0x23C0, 0x22B8, 0x21B5, 0x20B8, 0x1FC2, 0x1ED1, 0x1DE6, 0x1D01, |
| 0x1C22, 0x1B49, 0x1A75, 0x19A8, 0x18E0, 0x181D, 0x1761, 0x16A9, |
| 0x15F7, 0x154A, 0x14A2, 0x13FF, 0x1361, 0x12C8, 0x1234, 0x11A4, |
| 0x1119, 0x1091, 0x100F, 0x0F90, 0x0F15, 0x0E9E, 0x0E2B, 0x0DBC, |
| 0x0D50, 0x0CE8, 0x0C83, 0x0C21, 0x0BC3, 0x0B67, 0x0B0F, 0x0AB9, |
| 0x0A66, 0x0A16, 0x09C9, 0x097E, |
| }; |
| |
| int smblib_get_thermal_threshold(struct smb_charger *chg, u16 addr, int *val) |
| { |
| u8 buff[2]; |
| s16 temp; |
| int rc = 0; |
| int i, lower, upper; |
| |
| rc = smblib_batch_read(chg, addr, buff, 2); |
| if (rc < 0) { |
| pr_err("failed to write to 0x%04X, rc=%d\n", addr, rc); |
| return rc; |
| } |
| |
| temp = buff[1] | buff[0] << 8; |
| |
| lower = 0; |
| upper = ARRAY_SIZE(therm_lookup_table) - 1; |
| while (lower <= upper) { |
| i = (upper + lower) / 2; |
| if (therm_lookup_table[i] < temp) |
| upper = i - 1; |
| else if (therm_lookup_table[i] > temp) |
| lower = i + 1; |
| else |
| break; |
| } |
| |
| /* index 0 corresonds to -30C */ |
| *val = (i - 30) * 10; |
| |
| 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; |
| } |
| |
| #define INPUT_NOT_PRESENT 0 |
| #define INPUT_PRESENT_USB BIT(1) |
| #define INPUT_PRESENT_DC BIT(2) |
| static int smblib_is_input_present(struct smb_charger *chg, |
| int *present) |
| { |
| int rc; |
| union power_supply_propval pval = {0, }; |
| |
| *present = INPUT_NOT_PRESENT; |
| |
| rc = smblib_get_prop_usb_present(chg, &pval); |
| if (rc < 0) { |
| pr_err("Couldn't get usb presence status rc=%d\n", rc); |
| return rc; |
| } |
| *present |= pval.intval ? INPUT_PRESENT_USB : INPUT_NOT_PRESENT; |
| |
| rc = smblib_get_prop_dc_present(chg, &pval); |
| if (rc < 0) { |
| pr_err("Couldn't get dc presence status rc=%d\n", rc); |
| return rc; |
| } |
| *present |= pval.intval ? INPUT_PRESENT_DC : INPUT_NOT_PRESENT; |
| |
| return 0; |
| } |
| |
| #define AICL_RANGE2_MIN_MV 5600 |
| #define AICL_RANGE2_STEP_DELTA_MV 200 |
| #define AICL_RANGE2_OFFSET 16 |
| int smblib_get_aicl_cont_threshold(struct smb_chg_param *param, u8 val_raw) |
| { |
| int base = param->min_u; |
| u8 reg = val_raw; |
| int step = param->step_u; |
| |
| |
| if (val_raw >= AICL_RANGE2_OFFSET) { |
| reg = val_raw - AICL_RANGE2_OFFSET; |
| base = AICL_RANGE2_MIN_MV; |
| step = AICL_RANGE2_STEP_DELTA_MV; |
| } |
| |
| return base + (reg * step); |
| } |
| |
| /******************** |
| * 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; |
| |
| /* PMI632 only support max. 9V */ |
| if (chg->smb_version == PMI632_SUBTYPE) { |
| switch (allowed_voltage) { |
| case USBIN_ADAPTER_ALLOW_12V: |
| case USBIN_ADAPTER_ALLOW_9V_TO_12V: |
| allowed_voltage = USBIN_ADAPTER_ALLOW_9V; |
| break; |
| case USBIN_ADAPTER_ALLOW_5V_OR_12V: |
| case USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V: |
| allowed_voltage = USBIN_ADAPTER_ALLOW_5V_OR_9V; |
| break; |
| case USBIN_ADAPTER_ALLOW_5V_TO_12V: |
| allowed_voltage = USBIN_ADAPTER_ALLOW_5V_TO_9V; |
| break; |
| } |
| } |
| |
| rc = smblib_write(chg, USBIN_ADAPTER_ALLOW_CFG_REG, allowed_voltage); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't write 0x%02x to USBIN_ADAPTER_ALLOW_CFG rc=%d\n", |
| allowed_voltage, rc); |
| return rc; |
| } |
| |
| return rc; |
| } |
| |
| #define MICRO_5V 5000000 |
| #define MICRO_9V 9000000 |
| #define MICRO_12V 12000000 |
| static int smblib_set_usb_pd_fsw(struct smb_charger *chg, int voltage) |
| { |
| int rc = 0; |
| |
| if (voltage == MICRO_5V) |
| rc = smblib_set_opt_switcher_freq(chg, chg->chg_freq.freq_5V); |
| else if (voltage > MICRO_5V && voltage < MICRO_9V) |
| rc = smblib_set_opt_switcher_freq(chg, |
| chg->chg_freq.freq_6V_8V); |
| else if (voltage >= MICRO_9V && voltage < MICRO_12V) |
| rc = smblib_set_opt_switcher_freq(chg, chg->chg_freq.freq_9V); |
| else if (voltage == MICRO_12V) |
| rc = smblib_set_opt_switcher_freq(chg, chg->chg_freq.freq_12V); |
| else { |
| smblib_err(chg, "Couldn't set Fsw: invalid voltage %d\n", |
| voltage); |
| return -EINVAL; |
| } |
| |
| return rc; |
| } |
| |
| 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; |
| } else if (min_allowed_uv == MICRO_9V && max_allowed_uv == MICRO_9V) { |
| allowed_voltage = USBIN_ADAPTER_ALLOW_9V; |
| } else if (min_allowed_uv == MICRO_12V && max_allowed_uv == MICRO_12V) { |
| allowed_voltage = USBIN_ADAPTER_ALLOW_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; |
| } |
| |
| int smblib_set_aicl_cont_threshold(struct smb_chg_param *param, |
| int val_u, u8 *val_raw) |
| { |
| int base = param->min_u; |
| int offset = 0; |
| int step = param->step_u; |
| |
| if (val_u > param->max_u) |
| val_u = param->max_u; |
| if (val_u < param->min_u) |
| val_u = param->min_u; |
| |
| if (val_u >= AICL_RANGE2_MIN_MV) { |
| base = AICL_RANGE2_MIN_MV; |
| step = AICL_RANGE2_STEP_DELTA_MV; |
| offset = AICL_RANGE2_OFFSET; |
| }; |
| |
| *val_raw = ((val_u - base) / step) + offset; |
| |
| return 0; |
| } |
| |
| /******************** |
| * HELPER FUNCTIONS * |
| ********************/ |
| |
| int smblib_get_prop_from_bms(struct smb_charger *chg, |
| enum power_supply_property psp, |
| union power_supply_propval *val) |
| { |
| int rc; |
| |
| if (!chg->bms_psy) |
| return -EINVAL; |
| |
| rc = power_supply_get_property(chg->bms_psy, psp, val); |
| |
| return rc; |
| } |
| |
| void smblib_apsd_enable(struct smb_charger *chg, bool enable) |
| { |
| int rc; |
| |
| rc = smblib_masked_write(chg, USBIN_OPTIONS_1_CFG_REG, |
| BC1P2_SRC_DETECT_BIT, |
| enable ? BC1P2_SRC_DETECT_BIT : 0); |
| if (rc < 0) |
| smblib_err(chg, "failed to write USBIN_OPTIONS_1_CFG rc=%d\n", |
| rc); |
| } |
| |
| void smblib_hvdcp_detect_enable(struct smb_charger *chg, bool enable) |
| { |
| int rc; |
| u8 mask; |
| |
| if (chg->hvdcp_disable || chg->pd_not_supported) |
| return; |
| |
| mask = HVDCP_AUTH_ALG_EN_CFG_BIT | HVDCP_EN_BIT; |
| rc = smblib_masked_write(chg, USBIN_OPTIONS_1_CFG_REG, mask, |
| enable ? mask : 0); |
| if (rc < 0) |
| smblib_err(chg, "failed to write USBIN_OPTIONS_1_CFG rc=%d\n", |
| rc); |
| |
| return; |
| } |
| |
| 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->jeita_configured == JEITA_CFG_NONE) |
| schedule_work(&chg->jeita_update_work); |
| |
| if (chg->sec_pl_present && !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; |
| int sec_charger; |
| |
| sec_charger = chg->sec_pl_present ? POWER_SUPPLY_CHARGER_SEC_PL : |
| POWER_SUPPLY_CHARGER_SEC_NONE; |
| smblib_select_sec_charger(chg, sec_charger, POWER_SUPPLY_CP_NONE, |
| false); |
| |
| cancel_delayed_work_sync(&chg->pl_enable_work); |
| |
| if (chg->wa_flags & CHG_TERMINATION_WA) |
| alarm_cancel(&chg->chg_termination_alarm); |
| |
| 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_ICL_MAX_VOTER, true, |
| is_flash_active(chg) ? SDP_CURRENT_UA : SDP_100_MA); |
| vote(chg->usb_icl_votable, SW_QC3_VOTER, false, 0); |
| vote(chg->usb_icl_votable, HVDCP2_ICL_VOTER, false, 0); |
| vote(chg->usb_icl_votable, CHG_TERMINATION_VOTER, false, 0); |
| |
| /* Remove SW thermal regulation WA votes */ |
| vote(chg->usb_icl_votable, SW_THERM_REGULATION_VOTER, false, 0); |
| vote(chg->pl_disable_votable, SW_THERM_REGULATION_VOTER, false, 0); |
| vote(chg->dc_suspend_votable, SW_THERM_REGULATION_VOTER, false, 0); |
| if (chg->cp_disable_votable) |
| vote(chg->cp_disable_votable, SW_THERM_REGULATION_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); |
| |
| /* reset USBOV votes and cancel work */ |
| cancel_delayed_work_sync(&chg->usbov_dbc_work); |
| vote(chg->awake_votable, USBOV_DBC_VOTER, false, 0); |
| chg->dbc_usbov = false; |
| |
| 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; |
| |
| /* 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); |
| |
| /* clear USB ICL vote for USB_PSY_VOTER */ |
| rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't un-vote for USB ICL rc=%d\n", rc); |
| |
| /* clear USB ICL vote for DCP_VOTER */ |
| rc = vote(chg->usb_icl_votable, DCP_VOTER, false, 0); |
| if (rc < 0) |
| smblib_err(chg, |
| "Couldn't un-vote DCP from USB ICL rc=%d\n", rc); |
| |
| /* |
| * if non-compliant charger caused UV, restore original max pulses |
| * and turn SUSPEND_ON_COLLAPSE_USBIN_BIT back on. |
| */ |
| if (chg->qc2_unsupported_voltage) { |
| rc = smblib_masked_write(chg, HVDCP_PULSE_COUNT_MAX_REG, |
| HVDCP_PULSE_COUNT_MAX_QC2_MASK, |
| chg->qc2_max_pulses); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't restore max pulses rc=%d\n", |
| rc); |
| |
| rc = smblib_masked_write(chg, USBIN_AICL_OPTIONS_CFG_REG, |
| SUSPEND_ON_COLLAPSE_USBIN_BIT, |
| SUSPEND_ON_COLLAPSE_USBIN_BIT); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't turn on SUSPEND_ON_COLLAPSE_USBIN_BIT rc=%d\n", |
| rc); |
| |
| chg->qc2_unsupported_voltage = QC2_COMPLIANT; |
| } |
| } |
| |
| void smblib_suspend_on_debug_battery(struct smb_charger *chg) |
| { |
| int rc; |
| union power_supply_propval val; |
| |
| rc = smblib_get_prop_from_bms(chg, |
| POWER_SUPPLY_PROP_DEBUG_BATTERY, &val); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't get debug battery prop rc=%d\n", rc); |
| return; |
| } |
| if (chg->suspend_input_on_debug_batt) { |
| 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"); |
| } else { |
| vote(chg->chg_disable_votable, DEBUG_BOARD_VOTER, |
| val.intval, 0); |
| } |
| } |
| |
| 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: |
| 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; |
| } |
| |
| rc = smblib_icl_override(chg, SW_OVERRIDE_USB51_MODE); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't set ICL override rc=%d\n", rc); |
| return rc; |
| } |
| |
| return rc; |
| } |
| |
| int smblib_set_icl_current(struct smb_charger *chg, int icl_ua) |
| { |
| int rc = 0; |
| enum icl_override_mode icl_override = HW_AUTO_MODE; |
| /* suspend if 25mA or less is requested */ |
| bool suspend = (icl_ua <= USBIN_25MA); |
| |
| if (chg->connector_type == POWER_SUPPLY_CONNECTOR_TYPEC) { |
| rc = smblib_masked_write(chg, USB_CMD_PULLDOWN_REG, |
| EN_PULLDOWN_USB_IN_BIT, |
| suspend ? 0 : EN_PULLDOWN_USB_IN_BIT); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't write %s to EN_PULLDOWN_USB_IN_BIT rc=%d\n", |
| suspend ? "disable" : "enable", rc); |
| goto out; |
| } |
| } |
| |
| if (suspend) |
| return smblib_set_usb_suspend(chg, true); |
| |
| if (icl_ua == INT_MAX) |
| goto set_mode; |
| |
| /* configure current */ |
| if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB |
| && (chg->typec_legacy |
| || chg->typec_mode == POWER_SUPPLY_TYPEC_SOURCE_DEFAULT |
| || chg->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_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 { |
| /* |
| * Try USB 2.0/3,0 option first on USB path when maximum input |
| * current limit is 500mA or below for better accuracy; in case |
| * of error, proceed to use USB high-current mode. |
| */ |
| if (icl_ua <= USBIN_500MA) { |
| rc = set_sdp_current(chg, icl_ua); |
| if (rc >= 0) |
| goto unsuspend; |
| } |
| |
| 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; |
| } |
| icl_override = SW_OVERRIDE_HC_MODE; |
| } |
| |
| set_mode: |
| rc = smblib_icl_override(chg, icl_override); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't set ICL override rc=%d\n", rc); |
| goto out; |
| } |
| |
| unsuspend: |
| /* 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; |
| } |
| |
| /* Re-run AICL */ |
| if (icl_override != SW_OVERRIDE_HC_MODE) |
| rc = smblib_run_aicl(chg, RERUN_AICL); |
| out: |
| return rc; |
| } |
| |
| int smblib_get_icl_current(struct smb_charger *chg, int *icl_ua) |
| { |
| int rc; |
| |
| rc = smblib_get_charge_param(chg, &chg->param.icl_max_stat, icl_ua); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't get HC ICL rc=%d\n", rc); |
| |
| return rc; |
| } |
| |
| int smblib_toggle_smb_en(struct smb_charger *chg, int toggle) |
| { |
| int rc = 0; |
| |
| if (!toggle) |
| return rc; |
| |
| rc = smblib_select_sec_charger(chg, chg->sec_chg_selected, |
| chg->cp_reason, true); |
| |
| return rc; |
| } |
| |
| /**************************** |
| * uUSB Moisture Protection * |
| ****************************/ |
| #define MICRO_USB_DETECTION_ON_TIME_20_MS 0x08 |
| #define MICRO_USB_DETECTION_PERIOD_X_100 0x03 |
| #define U_USB_STATUS_WATER_PRESENT 0x00 |
| static int smblib_set_moisture_protection(struct smb_charger *chg, |
| bool enable) |
| { |
| int rc = 0; |
| |
| if (chg->moisture_present == enable) { |
| smblib_dbg(chg, PR_MISC, "No change in moisture protection status\n"); |
| return rc; |
| } |
| |
| if (enable) { |
| chg->moisture_present = true; |
| |
| /* Disable uUSB factory mode detection */ |
| rc = smblib_masked_write(chg, TYPEC_U_USB_CFG_REG, |
| EN_MICRO_USB_FACTORY_MODE_BIT, 0); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't disable uUSB factory mode detection rc=%d\n", |
| rc); |
| return rc; |
| } |
| |
| /* Disable moisture detection and uUSB state change interrupt */ |
| rc = smblib_masked_write(chg, TYPE_C_INTERRUPT_EN_CFG_2_REG, |
| TYPEC_WATER_DETECTION_INT_EN_BIT | |
| MICRO_USB_STATE_CHANGE_INT_EN_BIT, 0); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't disable moisture detection interrupt rc=%d\n", |
| rc); |
| return rc; |
| } |
| |
| /* Set 1% duty cycle on ID detection */ |
| rc = smblib_masked_write(chg, |
| ((chg->smb_version == PMI632_SUBTYPE) ? |
| PMI632_TYPEC_U_USB_WATER_PROTECTION_CFG_REG : |
| TYPEC_U_USB_WATER_PROTECTION_CFG_REG), |
| EN_MICRO_USB_WATER_PROTECTION_BIT | |
| MICRO_USB_DETECTION_ON_TIME_CFG_MASK | |
| MICRO_USB_DETECTION_PERIOD_CFG_MASK, |
| EN_MICRO_USB_WATER_PROTECTION_BIT | |
| MICRO_USB_DETECTION_ON_TIME_20_MS | |
| MICRO_USB_DETECTION_PERIOD_X_100); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't set 1 percent CC_ID duty cycle rc=%d\n", |
| rc); |
| return rc; |
| } |
| |
| vote(chg->usb_icl_votable, MOISTURE_VOTER, true, 0); |
| } else { |
| chg->moisture_present = false; |
| vote(chg->usb_icl_votable, MOISTURE_VOTER, false, 0); |
| |
| /* Enable moisture detection and uUSB state change interrupt */ |
| rc = smblib_masked_write(chg, TYPE_C_INTERRUPT_EN_CFG_2_REG, |
| TYPEC_WATER_DETECTION_INT_EN_BIT | |
| MICRO_USB_STATE_CHANGE_INT_EN_BIT, |
| TYPEC_WATER_DETECTION_INT_EN_BIT | |
| MICRO_USB_STATE_CHANGE_INT_EN_BIT); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't enable moisture detection and uUSB state change interrupt rc=%d\n", |
| rc); |
| return rc; |
| } |
| |
| /* Disable periodic monitoring of CC_ID pin */ |
| rc = smblib_write(chg, ((chg->smb_version == PMI632_SUBTYPE) ? |
| PMI632_TYPEC_U_USB_WATER_PROTECTION_CFG_REG : |
| TYPEC_U_USB_WATER_PROTECTION_CFG_REG), 0); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't disable 1 percent CC_ID duty cycle rc=%d\n", |
| rc); |
| return rc; |
| } |
| |
| /* Enable uUSB factory mode detection */ |
| rc = smblib_masked_write(chg, TYPEC_U_USB_CFG_REG, |
| EN_MICRO_USB_FACTORY_MODE_BIT, |
| EN_MICRO_USB_FACTORY_MODE_BIT); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't disable uUSB factory mode detection rc=%d\n", |
| rc); |
| return rc; |
| } |
| } |
| |
| smblib_dbg(chg, PR_MISC, "Moisture protection %s\n", |
| chg->moisture_present ? "enabled" : "disabled"); |
| return rc; |
| } |
| |
| /********************* |
| * VOTABLE CALLBACKS * |
| *********************/ |
| static int smblib_smb_disable_override_vote_callback(struct votable *votable, |
| void *data, int disable_smb, const char *client) |
| { |
| struct smb_charger *chg = data; |
| int rc = 0; |
| |
| /* Enable/disable SMB_EN pin */ |
| rc = smblib_masked_write(chg, MISC_SMB_EN_CMD_REG, |
| SMB_EN_OVERRIDE_BIT | SMB_EN_OVERRIDE_VALUE_BIT, |
| disable_smb ? SMB_EN_OVERRIDE_BIT : 0); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't configure SMB_EN, rc=%d\n", rc); |
| |
| return rc; |
| } |
| |
| 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_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; |
| u8 stat, orientation; |
| |
| smblib_dbg(chg, PR_OTG, "enabling VCONN\n"); |
| |
| 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; |
| } |
| |
| /* VCONN orientation is opposite to that of CC */ |
| orientation = |
| stat & TYPEC_CCOUT_VALUE_BIT ? 0 : VCONN_EN_ORIENTATION_BIT; |
| rc = smblib_masked_write(chg, TYPE_C_VCONN_CONTROL_REG, |
| VCONN_EN_VALUE_BIT | VCONN_EN_ORIENTATION_BIT, |
| VCONN_EN_VALUE_BIT | orientation); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read TYPE_C_CCOUT_CONTROL_REG 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; |
| } |
| |
| rc = smblib_get_prop_from_bms(chg, POWER_SUPPLY_PROP_CAPACITY, val); |
| |
| return rc; |
| } |
| |
| static bool is_charging_paused(struct smb_charger *chg) |
| { |
| int rc; |
| u8 val; |
| |
| rc = smblib_read(chg, CHARGING_PAUSE_CMD_REG, &val); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read CHARGING_PAUSE_CMD rc=%d\n", rc); |
| return false; |
| } |
| |
| return val & CHARGING_PAUSE_CMD_BIT; |
| } |
| |
| 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, suspend = 0; |
| |
| if (chg->dbc_usbov) { |
| rc = smblib_get_prop_usb_present(chg, &pval); |
| if (rc < 0) { |
| smblib_err(chg, |
| "Couldn't get usb present prop rc=%d\n", rc); |
| return rc; |
| } |
| |
| rc = smblib_get_usb_suspend(chg, &suspend); |
| if (rc < 0) { |
| smblib_err(chg, |
| "Couldn't get usb suspend rc=%d\n", rc); |
| return rc; |
| } |
| |
| /* |
| * Report charging as long as USBOV is not debounced and |
| * charging path is un-suspended. |
| */ |
| if (pval.intval && !suspend) { |
| val->intval = POWER_SUPPLY_STATUS_CHARGING; |
| return 0; |
| } |
| } |
| |
| 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: |
| case PAUSE_CHARGE: |
| val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; |
| break; |
| default: |
| val->intval = POWER_SUPPLY_STATUS_UNKNOWN; |
| break; |
| } |
| |
| if (is_charging_paused(chg)) { |
| val->intval = POWER_SUPPLY_STATUS_CHARGING; |
| return 0; |
| } |
| |
| /* |
| * If charge termination WA is active and has suspended charging, then |
| * continue reporting charging status as FULL. |
| */ |
| if (is_client_vote_enabled(chg->usb_icl_votable, |
| CHG_TERMINATION_VOTER)) { |
| val->intval = POWER_SUPPLY_STATUS_FULL; |
| return 0; |
| } |
| |
| 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_from_bms(chg, |
| POWER_SUPPLY_PROP_VOLTAGE_NOW, &pval); |
| if (!rc) { |
| /* |
| * If Vbatt is within 40mV above Vfloat, then don't |
| * treat it as overvoltage. |
| */ |
| effective_fv_uv = get_effective_result(chg->fv_votable); |
| if (pval.intval >= effective_fv_uv + 40000) { |
| val->intval = POWER_SUPPLY_HEALTH_OVERVOLTAGE; |
| smblib_err(chg, "battery over-voltage vbat_fg = %duV, fv = %duV\n", |
| pval.intval, effective_fv_uv); |
| goto done; |
| } |
| } |
| } |
| |
| 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_iterm(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc, temp; |
| u8 stat, buf[2]; |
| |
| /* |
| * Currently, only ADC comparator-based termination is supported, |
| * hence read only the threshold corresponding to ADC source. |
| * Proceed only if CHGR_ITERM_USE_ANALOG_BIT is 0. |
| */ |
| rc = smblib_read(chg, CHGR_ENG_CHARGING_CFG_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read CHGR_ENG_CHARGING_CFG_REG rc=%d\n", |
| rc); |
| return rc; |
| } |
| |
| if (stat & CHGR_ITERM_USE_ANALOG_BIT) { |
| val->intval = -EINVAL; |
| return 0; |
| } |
| |
| rc = smblib_batch_read(chg, CHGR_ADC_ITERM_UP_THD_MSB_REG, buf, 2); |
| |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read CHGR_ADC_ITERM_UP_THD_MSB_REG rc=%d\n", |
| rc); |
| return rc; |
| } |
| |
| temp = buf[1] | (buf[0] << 8); |
| temp = sign_extend32(temp, 15); |
| |
| if (chg->smb_version == PMI632_SUBTYPE) |
| temp = DIV_ROUND_CLOSEST(temp * ITERM_LIMITS_PMI632_MA, |
| ADC_CHG_ITERM_MASK); |
| else |
| temp = DIV_ROUND_CLOSEST(temp * ITERM_LIMITS_PM8150B_MA, |
| ADC_CHG_ITERM_MASK); |
| |
| val->intval = temp; |
| |
| 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_batt_current_now(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc; |
| |
| rc = smblib_get_prop_from_bms(chg, |
| POWER_SUPPLY_PROP_CURRENT_NOW, val); |
| if (!rc) |
| val->intval *= (-1); |
| |
| 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; |
| |
| 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_set_prop_rechg_soc_thresh(struct smb_charger *chg, |
| const union power_supply_propval *val) |
| { |
| int rc; |
| u8 new_thr = DIV_ROUND_CLOSEST(val->intval * 255, 100); |
| |
| rc = smblib_write(chg, CHARGE_RCHG_SOC_THRESHOLD_CFG_REG, |
| new_thr); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't write to RCHG_SOC_THRESHOLD_CFG_REG rc=%d\n", |
| rc); |
| return rc; |
| } |
| |
| chg->auto_recharge_soc = val->intval; |
| |
| return rc; |
| } |
| |
| int smblib_run_aicl(struct smb_charger *chg, int type) |
| { |
| 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"); |
| |
| stat = (type == RERUN_AICL) ? RERUN_AICL_BIT : RESTART_AICL_BIT; |
| rc = smblib_masked_write(chg, AICL_CMD_REG, stat, stat); |
| 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; |
| } |
| |
| 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; |
| } |
| |
| static void smblib_hvdcp_set_fsw(struct smb_charger *chg, int bit) |
| { |
| switch (bit) { |
| 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; |
| } |
| } |
| |
| #define QC3_PULSES_FOR_6V 5 |
| #define QC3_PULSES_FOR_9V 20 |
| #define QC3_PULSES_FOR_12V 35 |
| static int smblib_hvdcp3_set_fsw(struct smb_charger *chg) |
| { |
| int pulse_count, rc; |
| |
| rc = smblib_get_pulse_cnt(chg, &pulse_count); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read QC_PULSE_COUNT rc=%d\n", rc); |
| return rc; |
| } |
| |
| if (pulse_count < QC3_PULSES_FOR_6V) |
| smblib_set_opt_switcher_freq(chg, |
| chg->chg_freq.freq_5V); |
| else if (pulse_count < QC3_PULSES_FOR_9V) |
| smblib_set_opt_switcher_freq(chg, |
| chg->chg_freq.freq_6V_8V); |
| else if (pulse_count < 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); |
| |
| return 0; |
| } |
| |
| static void smblib_hvdcp_adaptive_voltage_change(struct smb_charger *chg) |
| { |
| int rc; |
| u8 stat; |
| |
| 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; |
| } |
| |
| smblib_hvdcp_set_fsw(chg, stat & QC_2P0_STATUS_MASK); |
| vote(chg->usb_icl_votable, HVDCP2_ICL_VOTER, false, 0); |
| } |
| |
| if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB_HVDCP_3) { |
| rc = smblib_hvdcp3_set_fsw(chg); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't set QC3.0 Fsw rc=%d\n", rc); |
| } |
| |
| power_supply_changed(chg->usb_main_psy); |
| } |
| |
| int smblib_dp_dm(struct smb_charger *chg, int val) |
| { |
| int target_icl_ua, rc = 0; |
| union power_supply_propval pval; |
| u8 stat; |
| |
| switch (val) { |
| case POWER_SUPPLY_DP_DM_DP_PULSE: |
| /* |
| * Pre-emptively increment pulse count to enable the setting |
| * of FSW prior to increasing voltage. |
| */ |
| chg->pulse_cnt++; |
| |
| rc = smblib_hvdcp3_set_fsw(chg); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't set QC3.0 Fsw rc=%d\n", rc); |
| |
| rc = smblib_dp_pulse(chg); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't increase pulse count rc=%d\n", |
| rc); |
| /* |
| * Increment pulse count failed; |
| * reset to former value. |
| */ |
| 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: |
| if (chg->qc2_unsupported_voltage == QC2_NON_COMPLIANT_9V) { |
| smblib_err(chg, "Couldn't set 9V: unsupported\n"); |
| return -EINVAL; |
| } |
| |
| /* If we are increasing voltage to get to 9V, set FSW first */ |
| rc = smblib_read(chg, QC_CHANGE_STATUS_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read QC_CHANGE_STATUS_REG rc=%d\n", |
| rc); |
| break; |
| } |
| |
| if (stat & QC_5V_BIT) { |
| /* Force 1A ICL before requesting higher voltage */ |
| vote(chg->usb_icl_votable, HVDCP2_ICL_VOTER, |
| true, 1000000); |
| smblib_hvdcp_set_fsw(chg, QC_9V_BIT); |
| } |
| |
| 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: |
| if (chg->qc2_unsupported_voltage == QC2_NON_COMPLIANT_12V) { |
| smblib_err(chg, "Couldn't set 12V: unsupported\n"); |
| return -EINVAL; |
| } |
| |
| /* If we are increasing voltage to get to 12V, set FSW first */ |
| rc = smblib_read(chg, QC_CHANGE_STATUS_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read QC_CHANGE_STATUS_REG rc=%d\n", |
| rc); |
| break; |
| } |
| |
| if ((stat & QC_9V_BIT) || (stat & QC_5V_BIT)) { |
| /* Force 1A ICL before requesting higher voltage */ |
| vote(chg->usb_icl_votable, HVDCP2_ICL_VOTER, |
| true, 1000000); |
| smblib_hvdcp_set_fsw(chg, QC_12V_BIT); |
| } |
| |
| 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; |
| } |
| |
| static int smblib_set_sw_thermal_regulation(struct smb_charger *chg, |
| bool enable) |
| { |
| int rc = 0; |
| |
| if (!(chg->wa_flags & SW_THERM_REGULATION_WA)) |
| return rc; |
| |
| if (enable) { |
| /* |
| * Configure min time to quickly address thermal |
| * condition. |
| */ |
| rc = smblib_masked_write(chg, SNARL_BARK_BITE_WD_CFG_REG, |
| SNARL_WDOG_TIMEOUT_MASK, SNARL_WDOG_TMOUT_62P5MS); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't configure snarl wdog tmout, rc=%d\n", |
| rc); |
| return rc; |
| } |
| |
| /* |
| * Schedule SW_THERM_REGULATION_WORK directly if USB input |
| * is suspended due to SW thermal regulation WA since WDOG |
| * IRQ won't trigger with input suspended. |
| */ |
| if (is_client_vote_enabled(chg->usb_icl_votable, |
| SW_THERM_REGULATION_VOTER)) { |
| vote(chg->awake_votable, SW_THERM_REGULATION_VOTER, |
| true, 0); |
| schedule_delayed_work(&chg->thermal_regulation_work, 0); |
| } |
| } else { |
| cancel_delayed_work_sync(&chg->thermal_regulation_work); |
| vote(chg->awake_votable, SW_THERM_REGULATION_VOTER, false, 0); |
| } |
| |
| smblib_dbg(chg, PR_MISC, "WDOG SNARL INT %s\n", |
| enable ? "Enabled" : "Disabled"); |
| |
| return rc; |
| } |
| |
| static int smblib_update_thermal_readings(struct smb_charger *chg) |
| { |
| union power_supply_propval pval = {0, }; |
| int rc = 0; |
| |
| if (!chg->pl.psy) |
| chg->pl.psy = power_supply_get_by_name("parallel"); |
| |
| rc = smblib_read_iio_channel(chg, chg->iio.die_temp_chan, |
| DIV_FACTOR_DECIDEGC, &chg->die_temp); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read DIE TEMP channel, rc=%d\n", rc); |
| return rc; |
| } |
| |
| rc = smblib_read_iio_channel(chg, chg->iio.connector_temp_chan, |
| DIV_FACTOR_DECIDEGC, &chg->connector_temp); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read CONN TEMP channel, rc=%d\n", rc); |
| return rc; |
| } |
| |
| rc = smblib_read_iio_channel(chg, chg->iio.skin_temp_chan, |
| DIV_FACTOR_DECIDEGC, &chg->skin_temp); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read SKIN TEMP channel, rc=%d\n", rc); |
| return rc; |
| } |
| |
| if (chg->sec_chg_selected == POWER_SUPPLY_CHARGER_SEC_CP) { |
| if (!chg->cp_psy) |
| chg->cp_psy = |
| power_supply_get_by_name("charge_pump_master"); |
| if (chg->cp_psy) { |
| rc = power_supply_get_property(chg->cp_psy, |
| POWER_SUPPLY_PROP_CP_DIE_TEMP, &pval); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't get smb1390 charger temp, rc=%d\n", |
| rc); |
| return rc; |
| } |
| chg->smb_temp = pval.intval; |
| } else { |
| smblib_dbg(chg, PR_MISC, "Coudln't find cp_psy\n"); |
| chg->smb_temp = -ENODATA; |
| } |
| } else if (chg->pl.psy && chg->sec_chg_selected == |
| POWER_SUPPLY_CHARGER_SEC_PL) { |
| rc = power_supply_get_property(chg->pl.psy, |
| POWER_SUPPLY_PROP_CHARGER_TEMP, &pval); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't get smb1355 charger temp, rc=%d\n", |
| rc); |
| return rc; |
| } |
| chg->smb_temp = pval.intval; |
| } else { |
| chg->smb_temp = -ENODATA; |
| } |
| |
| return rc; |
| } |
| |
| /* SW thermal regulation thresholds in deciDegC */ |
| #define DIE_TEMP_RST_THRESH 1000 |
| #define DIE_TEMP_REG_H_THRESH 800 |
| #define DIE_TEMP_REG_L_THRESH 600 |
| |
| #define CONNECTOR_TEMP_SHDN_THRESH 700 |
| #define CONNECTOR_TEMP_RST_THRESH 600 |
| #define CONNECTOR_TEMP_REG_H_THRESH 550 |
| #define CONNECTOR_TEMP_REG_L_THRESH 500 |
| |
| #define SMB_TEMP_SHDN_THRESH 1400 |
| #define SMB_TEMP_RST_THRESH 900 |
| #define SMB_TEMP_REG_H_THRESH 800 |
| #define SMB_TEMP_REG_L_THRESH 600 |
| |
| #define SKIN_TEMP_SHDN_THRESH 700 |
| #define SKIN_TEMP_RST_THRESH 600 |
| #define SKIN_TEMP_REG_H_THRESH 550 |
| #define SKIN_TEMP_REG_L_THRESH 500 |
| |
| #define THERM_REG_RECHECK_DELAY_1S 1000 /* 1 sec */ |
| #define THERM_REG_RECHECK_DELAY_8S 8000 /* 8 sec */ |
| static int smblib_process_thermal_readings(struct smb_charger *chg) |
| { |
| int rc = 0, wdog_timeout = SNARL_WDOG_TMOUT_8S; |
| u32 thermal_status = TEMP_BELOW_RANGE; |
| bool suspend_input = false, disable_smb = false; |
| |
| /* |
| * Following is the SW thermal regulation flow: |
| * |
| * TEMP_SHUT_DOWN_LEVEL: If either connector temp or skin temp |
| * exceeds their respective SHDN threshold. Need to suspend input |
| * and secondary charger. |
| * |
| * TEMP_SHUT_DOWN_SMB_LEVEL: If smb temp exceed its SHDN threshold |
| * but connector and skin temp are below it. Need to suspend SMB. |
| * |
| * TEMP_ALERT_LEVEL: If die, connector, smb or skin temp exceeds it's |
| * respective RST threshold. Stay put and monitor temperature closely. |
| * |
| * TEMP_ABOVE_RANGE or TEMP_WITHIN_RANGE or TEMP_BELOW_RANGE: If die, |
| * connector, smb or skin temp exceeds it's respective REG_H or REG_L |
| * threshold. Unsuspend input and SMB. |
| */ |
| if (chg->connector_temp > CONNECTOR_TEMP_SHDN_THRESH || |
| chg->skin_temp > SKIN_TEMP_SHDN_THRESH) { |
| thermal_status = TEMP_SHUT_DOWN; |
| wdog_timeout = SNARL_WDOG_TMOUT_1S; |
| suspend_input = true; |
| disable_smb = true; |
| goto out; |
| } |
| |
| if (chg->smb_temp > SMB_TEMP_SHDN_THRESH) { |
| thermal_status = TEMP_SHUT_DOWN_SMB; |
| wdog_timeout = SNARL_WDOG_TMOUT_1S; |
| disable_smb = true; |
| goto out; |
| } |
| |
| if (chg->connector_temp > CONNECTOR_TEMP_RST_THRESH || |
| chg->skin_temp > SKIN_TEMP_RST_THRESH || |
| chg->smb_temp > SMB_TEMP_RST_THRESH || |
| chg->die_temp > DIE_TEMP_RST_THRESH) { |
| thermal_status = TEMP_ALERT_LEVEL; |
| wdog_timeout = SNARL_WDOG_TMOUT_1S; |
| goto out; |
| } |
| |
| if (chg->connector_temp > CONNECTOR_TEMP_REG_H_THRESH || |
| chg->skin_temp > SKIN_TEMP_REG_H_THRESH || |
| chg->smb_temp > SMB_TEMP_REG_H_THRESH || |
| chg->die_temp > DIE_TEMP_REG_H_THRESH) { |
| thermal_status = TEMP_ABOVE_RANGE; |
| wdog_timeout = SNARL_WDOG_TMOUT_1S; |
| goto out; |
| } |
| |
| if (chg->connector_temp > CONNECTOR_TEMP_REG_L_THRESH || |
| chg->skin_temp > SKIN_TEMP_REG_L_THRESH || |
| chg->smb_temp > SMB_TEMP_REG_L_THRESH || |
| chg->die_temp > DIE_TEMP_REG_L_THRESH) { |
| thermal_status = TEMP_WITHIN_RANGE; |
| wdog_timeout = SNARL_WDOG_TMOUT_8S; |
| } |
| out: |
| smblib_dbg(chg, PR_MISC, "Current temperatures: \tDIE_TEMP: %d,\tCONN_TEMP: %d,\tSMB_TEMP: %d,\tSKIN_TEMP: %d\nTHERMAL_STATUS: %d\n", |
| chg->die_temp, chg->connector_temp, chg->smb_temp, |
| chg->skin_temp, thermal_status); |
| |
| if (thermal_status != chg->thermal_status) { |
| chg->thermal_status = thermal_status; |
| /* |
| * If thermal level changes to TEMP ALERT LEVEL, don't |
| * enable/disable main/parallel charging. |
| */ |
| if (chg->thermal_status == TEMP_ALERT_LEVEL) |
| goto exit; |
| |
| vote(chg->smb_override_votable, SW_THERM_REGULATION_VOTER, |
| disable_smb, 0); |
| |
| /* |
| * Enable/disable secondary charger through votables to ensure |
| * that if SMB_EN pin get's toggled somehow, secondary charger |
| * remains enabled/disabled according to SW thermal regulation. |
| */ |
| if (!chg->cp_disable_votable) |
| chg->cp_disable_votable = find_votable("CP_DISABLE"); |
| if (chg->cp_disable_votable) |
| vote(chg->cp_disable_votable, SW_THERM_REGULATION_VOTER, |
| disable_smb, 0); |
| |
| vote(chg->pl_disable_votable, SW_THERM_REGULATION_VOTER, |
| disable_smb, 0); |
| smblib_dbg(chg, PR_MISC, "Parallel %s as per SW thermal regulation\n", |
| disable_smb ? "disabled" : "enabled"); |
| |
| /* |
| * If thermal level changes to TEMP_SHUT_DOWN_SMB, don't |
| * enable/disable main charger. |
| */ |
| if (chg->thermal_status == TEMP_SHUT_DOWN_SMB) |
| goto exit; |
| |
| /* Suspend input if SHDN threshold reached */ |
| vote(chg->dc_suspend_votable, SW_THERM_REGULATION_VOTER, |
| suspend_input, 0); |
| vote(chg->usb_icl_votable, SW_THERM_REGULATION_VOTER, |
| suspend_input, 0); |
| smblib_dbg(chg, PR_MISC, "USB/DC %s as per SW thermal regulation\n", |
| suspend_input ? "suspended" : "unsuspended"); |
| } |
| exit: |
| /* |
| * On USB suspend, WDOG IRQ stops triggering. To continue thermal |
| * monitoring and regulation until USB is plugged out, reschedule |
| * the SW thermal regulation work without releasing the wake lock. |
| */ |
| if (is_client_vote_enabled(chg->usb_icl_votable, |
| SW_THERM_REGULATION_VOTER)) { |
| schedule_delayed_work(&chg->thermal_regulation_work, |
| msecs_to_jiffies(THERM_REG_RECHECK_DELAY_1S)); |
| return 0; |
| } |
| |
| rc = smblib_masked_write(chg, SNARL_BARK_BITE_WD_CFG_REG, |
| SNARL_WDOG_TIMEOUT_MASK, wdog_timeout); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't set WD SNARL timer, rc=%d\n", rc); |
| |
| vote(chg->awake_votable, SW_THERM_REGULATION_VOTER, false, 0); |
| return rc; |
| } |
| |
| /******************* |
| * DC PSY GETTERS * |
| *******************/ |
| |
| int smblib_get_prop_dc_present(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc; |
| u8 stat; |
| |
| if (chg->smb_version == PMI632_SUBTYPE) { |
| val->intval = 0; |
| return 0; |
| } |
| |
| 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 (chg->smb_version == PMI632_SUBTYPE) { |
| val->intval = 0; |
| return 0; |
| } |
| |
| if (get_client_vote(chg->dc_suspend_votable, USER_VOTER)) { |
| val->intval = false; |
| return rc; |
| } |
| |
| if (is_client_vote_enabled(chg->dc_suspend_votable, |
| CHG_TERMINATION_VOTER)) { |
| rc = smblib_get_prop_dc_present(chg, val); |
| return rc; |
| } |
| |
| rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n", |
| rc); |
| return rc; |
| } |
| smblib_dbg(chg, PR_REGISTER, "POWER_PATH_STATUS = 0x%02x\n", |
| stat); |
| |
| val->intval = (stat & USE_DCIN_BIT) && |
| (stat & VALID_INPUT_POWER_SOURCE_STS_BIT); |
| |
| return rc; |
| } |
| |
| int smblib_get_prop_dc_current_max(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| return smblib_get_charge_param(chg, &chg->param.dc_icl, &val->intval); |
| } |
| |
| int smblib_get_prop_dc_voltage_max(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| val->intval = MICRO_12V; |
| return 0; |
| } |
| |
| int smblib_get_prop_dc_voltage_now(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc; |
| |
| if (!chg->wls_psy) { |
| chg->wls_psy = power_supply_get_by_name("wireless"); |
| if (!chg->wls_psy) |
| return -ENODEV; |
| } |
| |
| rc = power_supply_get_property(chg->wls_psy, |
| POWER_SUPPLY_PROP_INPUT_VOLTAGE_REGULATION, |
| val); |
| if (rc < 0) |
| dev_err(chg->dev, "Couldn't get POWER_SUPPLY_PROP_VOLTAGE_REGULATION, rc=%d\n", |
| rc); |
| return rc; |
| } |
| |
| /******************* |
| * DC PSY SETTERS * |
| *******************/ |
| |
| int smblib_set_prop_dc_current_max(struct smb_charger *chg, |
| const union power_supply_propval *val) |
| { |
| return smblib_set_charge_param(chg, &chg->param.dc_icl, val->intval); |
| } |
| |
| int smblib_set_prop_voltage_wls_output(struct smb_charger *chg, |
| const union power_supply_propval *val) |
| { |
| int rc; |
| |
| if (!chg->wls_psy) { |
| chg->wls_psy = power_supply_get_by_name("wireless"); |
| if (!chg->wls_psy) |
| return -ENODEV; |
| } |
| |
| rc = power_supply_set_property(chg->wls_psy, |
| POWER_SUPPLY_PROP_INPUT_VOLTAGE_REGULATION, |
| val); |
| if (rc < 0) |
| dev_err(chg->dev, "Couldn't set POWER_SUPPLY_PROP_VOLTAGE_REGULATION, rc=%d\n", |
| rc); |
| |
| smblib_dbg(chg, PR_WLS, "Set WLS output voltage %d\n", val->intval); |
| |
| return rc; |
| } |
| |
| /******************* |
| * USB PSY GETTERS * |
| *******************/ |
| |
| int smblib_get_prop_usb_present(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc; |
| u8 stat; |
| |
| rc = smblib_read(chg, USBIN_BASE + INT_RT_STS_OFFSET, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read USBIN_RT_STS rc=%d\n", rc); |
| return rc; |
| } |
| |
| val->intval = (bool)(stat & USBIN_PLUGIN_RT_STS_BIT); |
| return 0; |
| } |
| |
| int smblib_get_prop_usb_online(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc = 0; |
| u8 stat; |
| |
| if (get_client_vote_locked(chg->usb_icl_votable, USER_VOTER) == 0) { |
| val->intval = false; |
| return rc; |
| } |
| |
| if (is_client_vote_enabled(chg->usb_icl_votable, |
| CHG_TERMINATION_VOTER)) { |
| rc = smblib_get_prop_usb_present(chg, val); |
| 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_usb_online(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc; |
| |
| rc = smblib_get_prop_usb_online(chg, val); |
| if (!val->intval) |
| goto exit; |
| |
| 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)) |
| val->intval = 0; |
| else |
| val->intval = 1; |
| |
| if (chg->real_charger_type == POWER_SUPPLY_TYPE_UNKNOWN) |
| val->intval = 0; |
| |
| exit: |
| 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: |
| if (chg->qc2_unsupported_voltage == QC2_NON_COMPLIANT_9V) { |
| val->intval = MICRO_5V; |
| break; |
| } else if (chg->qc2_unsupported_voltage == |
| QC2_NON_COMPLIANT_12V) { |
| val->intval = MICRO_9V; |
| break; |
| } |
| /* else, fallthrough */ |
| 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; |
| } |
| |
| #define HVDCP3_STEP_UV 200000 |
| static int smblib_estimate_adaptor_voltage(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| switch (chg->real_charger_type) { |
| case POWER_SUPPLY_TYPE_USB_HVDCP: |
| val->intval = MICRO_12V; |
| break; |
| case POWER_SUPPLY_TYPE_USB_HVDCP_3: |
| val->intval = MICRO_5V + (HVDCP3_STEP_UV * chg->pulse_cnt); |
| break; |
| case POWER_SUPPLY_TYPE_USB_PD: |
| /* Take the average of min and max values */ |
| val->intval = chg->voltage_min_uv + |
| ((chg->voltage_max_uv - chg->voltage_min_uv) / 2); |
| break; |
| default: |
| val->intval = MICRO_5V; |
| break; |
| } |
| |
| return 0; |
| } |
| |
| static int smblib_read_mid_voltage_chan(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc; |
| |
| if (!chg->iio.mid_chan) |
| return -ENODATA; |
| |
| rc = iio_read_channel_processed(chg->iio.mid_chan, &val->intval); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read MID channel rc=%d\n", rc); |
| return rc; |
| } |
| |
| /* |
| * If MID voltage < 1V, it is unreliable. |
| * Figure out voltage from registers and calculations. |
| */ |
| if (val->intval < 1000000) |
| return smblib_estimate_adaptor_voltage(chg, val); |
| |
| return 0; |
| } |
| |
| static int smblib_read_usbin_voltage_chan(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc; |
| |
| if (!chg->iio.usbin_v_chan) |
| return -ENODATA; |
| |
| rc = iio_read_channel_processed(chg->iio.usbin_v_chan, &val->intval); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read USBIN channel rc=%d\n", rc); |
| return rc; |
| } |
| |
| return 0; |
| } |
| |
| int smblib_get_prop_usb_voltage_now(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| union power_supply_propval pval = {0, }; |
| int rc; |
| |
| rc = smblib_get_prop_usb_present(chg, &pval); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't get usb presence status rc=%d\n", rc); |
| return -ENODATA; |
| } |
| |
| /* usb not present */ |
| if (!pval.intval) { |
| val->intval = 0; |
| return 0; |
| } |
| |
| /* |
| * For PM8150B, use MID_CHG ADC channel because overvoltage is observed |
| * to occur randomly in the USBIN channel, particularly at high |
| * voltages. |
| */ |
| if (chg->smb_version == PM8150B_SUBTYPE) |
| return smblib_read_mid_voltage_chan(chg, val); |
| else |
| return smblib_read_usbin_voltage_chan(chg, val); |
| } |
| |
| bool smblib_rsbux_low(struct smb_charger *chg, int r_thr) |
| { |
| int r_sbu1, r_sbu2; |
| bool ret = false; |
| int rc; |
| |
| if (!chg->iio.sbux_chan) |
| return false; |
| |
| /* disable crude sensors */ |
| rc = smblib_masked_write(chg, TYPE_C_CRUDE_SENSOR_CFG_REG, |
| EN_SRC_CRUDE_SENSOR_BIT | EN_SNK_CRUDE_SENSOR_BIT, |
| 0); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't disable crude sensor rc=%d\n", rc); |
| return false; |
| } |
| |
| /* select SBU1 as current source */ |
| rc = smblib_write(chg, TYPE_C_SBU_CFG_REG, SEL_SBU1_ISRC_VAL); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't select SBU1 rc=%d\n", rc); |
| goto cleanup; |
| } |
| |
| rc = iio_read_channel_processed(chg->iio.sbux_chan, &r_sbu1); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read SBU1 rc=%d\n", rc); |
| goto cleanup; |
| } |
| |
| if (r_sbu1 < r_thr) { |
| ret = true; |
| goto cleanup; |
| } |
| |
| /* select SBU2 as current source */ |
| rc = smblib_write(chg, TYPE_C_SBU_CFG_REG, SEL_SBU2_ISRC_VAL); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't select SBU1 rc=%d\n", rc); |
| goto cleanup; |
| } |
| |
| rc = iio_read_channel_processed(chg->iio.sbux_chan, &r_sbu2); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read SBU1 rc=%d\n", rc); |
| goto cleanup; |
| } |
| |
| if (r_sbu2 < r_thr) |
| ret = true; |
| cleanup: |
| /* enable crude sensors */ |
| rc = smblib_masked_write(chg, TYPE_C_CRUDE_SENSOR_CFG_REG, |
| EN_SRC_CRUDE_SENSOR_BIT | EN_SNK_CRUDE_SENSOR_BIT, |
| EN_SRC_CRUDE_SENSOR_BIT | EN_SNK_CRUDE_SENSOR_BIT); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't enable crude sensor rc=%d\n", rc); |
| |
| /* disable current source */ |
| rc = smblib_write(chg, TYPE_C_SBU_CFG_REG, 0); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't select SBU1 rc=%d\n", rc); |
| |
| return ret; |
| } |
| |
| int smblib_get_prop_charger_temp(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int temp, rc; |
| int input_present; |
| |
| rc = smblib_is_input_present(chg, &input_present); |
| if (rc < 0) |
| return rc; |
| |
| if (input_present == INPUT_NOT_PRESENT) |
| return -ENODATA; |
| |
| if (chg->iio.temp_chan) { |
| rc = iio_read_channel_processed(chg->iio.temp_chan, |
| &temp); |
| if (rc < 0) { |
| pr_err("Error in reading temp channel, rc=%d\n", rc); |
| return rc; |
| } |
| val->intval = temp / 100; |
| } else { |
| return -ENODATA; |
| } |
| |
| return rc; |
| } |
| |
| int smblib_get_prop_typec_cc_orientation(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc = 0; |
| u8 stat; |
| |
| val->intval = 0; |
| |
| if (chg->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_USB) |
| return 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 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; |
| |
| 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; |
| case SNK_RP_SHORT_BIT: |
| return POWER_SUPPLY_TYPEC_NON_COMPLIANT; |
| default: |
| break; |
| } |
| |
| return POWER_SUPPLY_TYPEC_NONE; |
| } |
| |
| static int smblib_get_prop_dfp_mode(struct smb_charger *chg) |
| { |
| int rc; |
| u8 stat; |
| |
| if (chg->lpd_stage == LPD_STAGE_COMMIT) |
| return POWER_SUPPLY_TYPEC_NONE; |
| |
| 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); |
| } |
| |
| inline int smblib_get_usb_prop_typec_mode(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| if (chg->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_USB) |
| val->intval = POWER_SUPPLY_TYPEC_NONE; |
| else |
| val->intval = chg->typec_mode; |
| |
| return 0; |
| } |
| |
| int smblib_get_prop_typec_power_role(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc = 0; |
| u8 ctrl; |
| |
| if (chg->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_USB) { |
| val->intval = POWER_SUPPLY_TYPEC_PR_NONE; |
| return 0; |
| } |
| |
| 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; |
| } |
| |
| static inline bool typec_in_src_mode(struct smb_charger *chg) |
| { |
| return (chg->typec_mode > POWER_SUPPLY_TYPEC_NONE && |
| chg->typec_mode < POWER_SUPPLY_TYPEC_SOURCE_DEFAULT); |
| } |
| |
| int smblib_get_prop_typec_select_rp(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc, rp; |
| u8 stat; |
| |
| if (!typec_in_src_mode(chg)) |
| return -ENODATA; |
| |
| rc = smblib_read(chg, TYPE_C_CURRSRC_CFG_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read TYPE_C_CURRSRC_CFG_REG rc=%d\n", |
| rc); |
| return rc; |
| } |
| |
| switch (stat & TYPEC_SRC_RP_SEL_MASK) { |
| case TYPEC_SRC_RP_STD: |
| rp = POWER_SUPPLY_TYPEC_SRC_RP_STD; |
| break; |
| case TYPEC_SRC_RP_1P5A: |
| rp = POWER_SUPPLY_TYPEC_SRC_RP_1P5A; |
| break; |
| case TYPEC_SRC_RP_3A: |
| case TYPEC_SRC_RP_3A_DUPLICATE: |
| rp = POWER_SUPPLY_TYPEC_SRC_RP_3A; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| val->intval = rp; |
| |
| return 0; |
| } |
| |
| int smblib_get_prop_usb_current_now(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| union power_supply_propval pval = {0, }; |
| int rc = 0, buck_scale = 1, boost_scale = 1; |
| |
| if (chg->iio.usbin_i_chan) { |
| rc = iio_read_channel_processed(chg->iio.usbin_i_chan, |
| &val->intval); |
| if (rc < 0) { |
| pr_err("Error in reading USBIN_I channel, rc=%d\n", rc); |
| return rc; |
| } |
| |
| /* |
| * For PM8150B, scaling factor = reciprocal of |
| * 0.2V/A in Buck mode, 0.4V/A in Boost mode. |
| * For PMI632, scaling factor = reciprocal of |
| * 0.4V/A in Buck mode, 0.8V/A in Boost mode. |
| */ |
| switch (chg->smb_version) { |
| case PMI632_SUBTYPE: |
| buck_scale = 40; |
| boost_scale = 80; |
| break; |
| default: |
| buck_scale = 20; |
| boost_scale = 40; |
| break; |
| } |
| |
| if (chg->otg_present || smblib_get_prop_dfp_mode(chg) != |
| POWER_SUPPLY_TYPEC_NONE) { |
| val->intval = DIV_ROUND_CLOSEST(val->intval * 100, |
| boost_scale); |
| return rc; |
| } |
| |
| rc = smblib_get_prop_usb_present(chg, &pval); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't get usb present status,rc=%d\n", |
| rc); |
| return -ENODATA; |
| } |
| |
| /* If USB is not present, return 0 */ |
| if (!pval.intval) |
| val->intval = 0; |
| else |
| val->intval = DIV_ROUND_CLOSEST(val->intval * 100, |
| buck_scale); |
| } else { |
| val->intval = 0; |
| rc = -ENODATA; |
| } |
| |
| return rc; |
| } |
| |
| int smblib_get_prop_low_power(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc; |
| u8 stat; |
| |
| if (chg->sink_src_mode != SRC_MODE) |
| return -ENODATA; |
| |
| 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 rc; |
| } |
| |
| val->intval = !(stat & SRC_HIGH_BATT_BIT); |
| |
| 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); |
| } |
| |
| 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) |
| { |
| val->intval = chg->ok_to_pd; |
| return 0; |
| } |
| |
| int smblib_get_prop_die_health(struct smb_charger *chg) |
| { |
| int rc; |
| u8 stat; |
| int input_present; |
| |
| rc = smblib_is_input_present(chg, &input_present); |
| if (rc < 0) |
| return rc; |
| |
| if (input_present == INPUT_NOT_PRESENT) |
| return POWER_SUPPLY_HEALTH_UNKNOWN; |
| |
| if (chg->wa_flags & SW_THERM_REGULATION_WA) { |
| if (chg->die_temp == -ENODATA) |
| return POWER_SUPPLY_HEALTH_UNKNOWN; |
| |
| if (chg->die_temp > DIE_TEMP_RST_THRESH) |
| return POWER_SUPPLY_HEALTH_OVERHEAT; |
| |
| if (chg->die_temp > DIE_TEMP_REG_H_THRESH) |
| return POWER_SUPPLY_HEALTH_HOT; |
| |
| if (chg->die_temp > DIE_TEMP_REG_L_THRESH) |
| return POWER_SUPPLY_HEALTH_WARM; |
| |
| return POWER_SUPPLY_HEALTH_COOL; |
| } |
| |
| rc = smblib_read(chg, DIE_TEMP_STATUS_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read DIE_TEMP_STATUS_REG, rc=%d\n", |
| rc); |
| return POWER_SUPPLY_HEALTH_UNKNOWN; |
| } |
| |
| if (stat & DIE_TEMP_RST_BIT) |
| return POWER_SUPPLY_HEALTH_OVERHEAT; |
| |
| if (stat & DIE_TEMP_UB_BIT) |
| return POWER_SUPPLY_HEALTH_HOT; |
| |
| if (stat & DIE_TEMP_LB_BIT) |
| return POWER_SUPPLY_HEALTH_WARM; |
| |
| return POWER_SUPPLY_HEALTH_COOL; |
| } |
| |
| int smblib_get_die_health(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| if (chg->die_health == -EINVAL) |
| val->intval = smblib_get_prop_die_health(chg); |
| else |
| val->intval = chg->die_health; |
| |
| return 0; |
| } |
| |
| int smblib_get_prop_scope(struct smb_charger *chg, |
| union power_supply_propval *val) |
| { |
| int rc; |
| union power_supply_propval pval; |
| |
| val->intval = POWER_SUPPLY_SCOPE_UNKNOWN; |
| rc = smblib_get_prop_usb_present(chg, &pval); |
| if (rc < 0) |
| return rc; |
| |
| val->intval = pval.intval ? POWER_SUPPLY_SCOPE_DEVICE |
| : chg->otg_present ? POWER_SUPPLY_SCOPE_SYSTEM |
| : POWER_SUPPLY_SCOPE_UNKNOWN; |
| |
| return 0; |
| } |
| |
| int smblib_get_prop_connector_health(struct smb_charger *chg) |
| { |
| int rc; |
| u8 stat; |
| |
| if (chg->connector_health != -EINVAL) |
| return chg->connector_health; |
| |
| if (chg->wa_flags & SW_THERM_REGULATION_WA) { |
| if (chg->connector_temp == -ENODATA) |
| return POWER_SUPPLY_HEALTH_UNKNOWN; |
| |
| if (chg->connector_temp > CONNECTOR_TEMP_RST_THRESH) |
| return POWER_SUPPLY_HEALTH_OVERHEAT; |
| |
| if (chg->connector_temp > CONNECTOR_TEMP_REG_H_THRESH) |
| return POWER_SUPPLY_HEALTH_HOT; |
| |
| if (chg->connector_temp > CONNECTOR_TEMP_REG_L_THRESH) |
| return POWER_SUPPLY_HEALTH_WARM; |
| |
| return POWER_SUPPLY_HEALTH_COOL; |
| } |
| |
| rc = smblib_read(chg, CONNECTOR_TEMP_STATUS_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read CONNECTOR_TEMP_STATUS_REG, rc=%d\n", |
| rc); |
| return POWER_SUPPLY_HEALTH_UNKNOWN; |
| } |
| |
| if (stat & CONNECTOR_TEMP_RST_BIT) |
| return POWER_SUPPLY_HEALTH_OVERHEAT; |
| |
| if (stat & CONNECTOR_TEMP_UB_BIT) |
| return POWER_SUPPLY_HEALTH_HOT; |
| |
| if (stat & CONNECTOR_TEMP_LB_BIT) |
| return POWER_SUPPLY_HEALTH_WARM; |
| |
| return POWER_SUPPLY_HEALTH_COOL; |
| } |
| |
| 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; |
| union power_supply_propval val = {0, }; |
| |
| if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB_FLOAT) { |
| if (usb_current == -ETIMEDOUT) { |
| if ((chg->float_cfg & FLOAT_OPTIONS_MASK) |
| == FORCE_FLOAT_SDP_CFG_BIT) { |
| /* |
| * Confiugure USB500 mode if Float charger is |
| * configured for SDP mode. |
| */ |
| rc = set_sdp_current(chg, USBIN_500MA); |
| if (rc < 0) |
| smblib_err(chg, |
| "Couldn't set SDP ICL rc=%d\n", |
| rc); |
| |
| return rc; |
| } |
| |
| if (chg->connector_type == |
| POWER_SUPPLY_CONNECTOR_TYPEC) { |
| /* |
| * 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, |
| SW_ICL_MAX_VOTER, true, rp_ua); |
| if (rc < 0) |
| return rc; |
| } else { |
| rc = vote(chg->usb_icl_votable, |
| SW_ICL_MAX_VOTER, true, DCP_CURRENT_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, SW_ICL_MAX_VOTER, |
| false, 0); |
| if (rc < 0) |
| return rc; |
| } |
| } else { |
| rc = smblib_get_prop_usb_present(chg, &val); |
| if (!rc && !val.intval) |
| return 0; |
| |
| /* if flash is active force 500mA */ |
| if ((usb_current < SDP_CURRENT_UA) && is_flash_active(chg)) |
| usb_current = SDP_CURRENT_UA; |
| |
| rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, true, |
| usb_current); |
| if (rc < 0) { |
| pr_err("Couldn't vote ICL USB_PSY_VOTER rc=%d\n", rc); |
| return rc; |
| } |
| |
| rc = vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, false, 0); |
| if (rc < 0) { |
| pr_err("Couldn't remove SW_ICL_MAX vote rc=%d\n", rc); |
| return rc; |
| } |
| |
| } |
| |
| return 0; |
| } |
| |
| int smblib_set_prop_sdp_current_max(struct smb_charger *chg, |
| const union power_supply_propval *val) |
| { |
| union power_supply_propval pval; |
| int rc = 0; |
| |
| if (!chg->pd_active) { |
| rc = smblib_get_prop_usb_present(chg, &pval); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't get usb present rc = %d\n", |
| rc); |
| return rc; |
| } |
| |
| /* handle the request only when USB is present */ |
| if (pval.intval) |
| 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 = chg->typec_try_mode; |
| 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 | TYPEC_TRY_MODE_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_typec_select_rp(struct smb_charger *chg, |
| const union power_supply_propval *val) |
| { |
| int rc; |
| |
| if (!typec_in_src_mode(chg)) { |
| smblib_err(chg, "Couldn't set curr src: not in SRC mode\n"); |
| return -EINVAL; |
| } |
| |
| if (val->intval < TYPEC_SRC_RP_MAX_ELEMENTS) { |
| rc = smblib_masked_write(chg, TYPE_C_CURRSRC_CFG_REG, |
| TYPEC_SRC_RP_SEL_MASK, |
| val->intval); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't write to TYPE_C_CURRSRC_CFG rc=%d\n", |
| rc); |
| return rc; |
| } |
| |
| return -EINVAL; |
| } |
| |
| 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 min 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_fsw(chg, max_uv); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't set FSW for voltage %duV rc=%d\n", |
| val->intval, rc); |
| return rc; |
| } |
| |
| rc = smblib_set_usb_pd_allowed_voltage(chg, chg->voltage_min_uv, |
| max_uv); |
| if (rc < 0) { |
| smblib_err(chg, "invalid max 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; |
| } |
| |
| int smblib_set_prop_pd_active(struct smb_charger *chg, |
| const union power_supply_propval *val) |
| { |
| const struct apsd_result *apsd = smblib_get_apsd_result(chg); |
| |
| int rc = 0; |
| int sec_charger; |
| |
| chg->pd_active = val->intval; |
| |
| smblib_apsd_enable(chg, !chg->pd_active); |
| |
| update_sw_icl_max(chg, apsd->pst); |
| |
| if (chg->pd_active) { |
| vote(chg->usb_irq_enable_votable, PD_VOTER, true, 0); |
| |
| /* |
| * Enforce 100mA for PD until the real vote comes in later. |
| * It is guaranteed that pd_active is set prior to |
| * pd_current_max |
| */ |
| vote(chg->usb_icl_votable, PD_VOTER, true, USBIN_100MA); |
| vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0); |
| vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, false, 0); |
| |
| /* |
| * For PPS, Charge Pump is preferred over parallel charger if |
| * present. |
| */ |
| if (chg->pd_active == POWER_SUPPLY_PD_PPS_ACTIVE |
| && chg->sec_cp_present) { |
| rc = smblib_select_sec_charger(chg, |
| POWER_SUPPLY_CHARGER_SEC_CP, |
| POWER_SUPPLY_CP_PPS, false); |
| if (rc < 0) |
| dev_err(chg->dev, "Couldn't enable secondary charger rc=%d\n", |
| rc); |
| } |
| } else { |
| vote(chg->usb_icl_votable, PD_VOTER, false, 0); |
| vote(chg->usb_irq_enable_votable, PD_VOTER, false, 0); |
| |
| sec_charger = chg->sec_pl_present ? |
| POWER_SUPPLY_CHARGER_SEC_PL : |
| POWER_SUPPLY_CHARGER_SEC_NONE; |
| rc = smblib_select_sec_charger(chg, sec_charger, |
| POWER_SUPPLY_CP_NONE, false); |
| if (rc < 0) |
| dev_err(chg->dev, |
| "Couldn't enable secondary charger rc=%d\n", |
| rc); |
| |
| /* PD hard resets failed, proceed to detect QC2/3 */ |
| if (chg->ok_to_pd) { |
| chg->ok_to_pd = false; |
| smblib_hvdcp_detect_enable(chg, true); |
| } |
| } |
| |
| smblib_update_usb_type(chg); |
| power_supply_changed(chg->usb_psy); |
| return rc; |
| } |
| |
| 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; |
| } |
| |
| #define JEITA_SOFT 0 |
| #define JEITA_HARD 1 |
| static int smblib_update_jeita(struct smb_charger *chg, u32 *thresholds, |
| int type) |
| { |
| int rc; |
| u16 temp, base; |
| |
| base = CHGR_JEITA_THRESHOLD_BASE_REG(type); |
| |
| temp = thresholds[1] & 0xFFFF; |
| temp = ((temp & 0xFF00) >> 8) | ((temp & 0xFF) << 8); |
| rc = smblib_batch_write(chg, base, (u8 *)&temp, 2); |
| if (rc < 0) { |
| smblib_err(chg, |
| "Couldn't configure Jeita %s hot threshold rc=%d\n", |
| (type == JEITA_SOFT) ? "Soft" : "Hard", rc); |
| return rc; |
| } |
| |
| temp = thresholds[0] & 0xFFFF; |
| temp = ((temp & 0xFF00) >> 8) | ((temp & 0xFF) << 8); |
| rc = smblib_batch_write(chg, base + 2, (u8 *)&temp, 2); |
| if (rc < 0) { |
| smblib_err(chg, |
| "Couldn't configure Jeita %s cold threshold rc=%d\n", |
| (type == JEITA_SOFT) ? "Soft" : "Hard", rc); |
| return rc; |
| } |
| |
| smblib_dbg(chg, PR_MISC, "%s Jeita threshold configured\n", |
| (type == JEITA_SOFT) ? "Soft" : "Hard"); |
| |
| return 0; |
| } |
| |
| static int smblib_charge_inhibit_en(struct smb_charger *chg, bool enable) |
| { |
| int rc; |
| |
| rc = smblib_masked_write(chg, CHGR_CFG2_REG, |
| CHARGER_INHIBIT_BIT, |
| enable ? CHARGER_INHIBIT_BIT : 0); |
| return rc; |
| } |
| |
| static int smblib_soft_jeita_arb_wa(struct smb_charger *chg) |
| { |
| union power_supply_propval pval; |
| int rc = 0; |
| bool soft_jeita; |
| |
| rc = smblib_get_prop_batt_health(chg, &pval); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't get battery health rc=%d\n", rc); |
| return rc; |
| } |
| |
| /* Do nothing on entering hard JEITA condition */ |
| if (pval.intval == POWER_SUPPLY_HEALTH_COLD || |
| pval.intval == POWER_SUPPLY_HEALTH_HOT) |
| return 0; |
| |
| if (chg->jeita_soft_fcc[0] < 0 || chg->jeita_soft_fcc[1] < 0 || |
| chg->jeita_soft_fv[0] < 0 || chg->jeita_soft_fv[1] < 0) |
| return 0; |
| |
| soft_jeita = (pval.intval == POWER_SUPPLY_HEALTH_COOL) || |
| (pval.intval == POWER_SUPPLY_HEALTH_WARM); |
| |
| /* Do nothing on entering soft JEITA from hard JEITA */ |
| if (chg->jeita_arb_flag && soft_jeita) |
| return 0; |
| |
| /* Do nothing, initial to health condition */ |
| if (!chg->jeita_arb_flag && !soft_jeita) |
| return 0; |
| |
| if (!chg->cp_disable_votable) |
| chg->cp_disable_votable = find_votable("CP_DISABLE"); |
| |
| /* Entering soft JEITA from normal state */ |
| if (!chg->jeita_arb_flag && soft_jeita) { |
| vote(chg->chg_disable_votable, JEITA_ARB_VOTER, true, 0); |
| /* Disable parallel charging */ |
| if (chg->pl_disable_votable) |
| vote(chg->pl_disable_votable, JEITA_ARB_VOTER, true, 0); |
| if (chg->cp_disable_votable) |
| vote(chg->cp_disable_votable, JEITA_ARB_VOTER, true, 0); |
| |
| rc = smblib_charge_inhibit_en(chg, true); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't enable charge inhibit rc=%d\n", |
| rc); |
| |
| rc = smblib_update_jeita(chg, chg->jeita_soft_hys_thlds, |
| JEITA_SOFT); |
| if (rc < 0) |
| smblib_err(chg, |
| "Couldn't configure Jeita soft threshold rc=%d\n", |
| rc); |
| |
| if (pval.intval == POWER_SUPPLY_HEALTH_COOL) { |
| vote(chg->fcc_votable, JEITA_ARB_VOTER, true, |
| chg->jeita_soft_fcc[0]); |
| vote(chg->fv_votable, JEITA_ARB_VOTER, true, |
| chg->jeita_soft_fv[0]); |
| } else { |
| vote(chg->fcc_votable, JEITA_ARB_VOTER, true, |
| chg->jeita_soft_fcc[1]); |
| vote(chg->fv_votable, JEITA_ARB_VOTER, true, |
| chg->jeita_soft_fv[1]); |
| } |
| |
| vote(chg->chg_disable_votable, JEITA_ARB_VOTER, false, 0); |
| chg->jeita_arb_flag = true; |
| } else if (chg->jeita_arb_flag && !soft_jeita) { |
| /* Exit to health state from soft JEITA */ |
| |
| vote(chg->chg_disable_votable, JEITA_ARB_VOTER, true, 0); |
| |
| rc = smblib_charge_inhibit_en(chg, false); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't disable charge inhibit rc=%d\n", |
| rc); |
| |
| rc = smblib_update_jeita(chg, chg->jeita_soft_thlds, |
| JEITA_SOFT); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't configure Jeita soft threshold rc=%d\n", |
| rc); |
| |
| vote(chg->fcc_votable, JEITA_ARB_VOTER, false, 0); |
| vote(chg->fv_votable, JEITA_ARB_VOTER, false, 0); |
| if (chg->pl_disable_votable) |
| vote(chg->pl_disable_votable, JEITA_ARB_VOTER, false, |
| 0); |
| if (chg->cp_disable_votable) |
| vote(chg->cp_disable_votable, JEITA_ARB_VOTER, false, |
| 0); |
| vote(chg->chg_disable_votable, JEITA_ARB_VOTER, false, 0); |
| chg->jeita_arb_flag = false; |
| } |
| |
| smblib_dbg(chg, PR_MISC, "JEITA ARB status %d, soft JEITA status %d\n", |
| chg->jeita_arb_flag, soft_jeita); |
| return rc; |
| } |
| |
| /************************ |
| * 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 && !chg->typec_legacy_use_rp_icl) { |
| 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; |
| } |
| |
| #define CHG_TERM_WA_ENTRY_DELAY_MS 300000 /* 5 min */ |
| #define CHG_TERM_WA_EXIT_DELAY_MS 60000 /* 1 min */ |
| static void smblib_eval_chg_termination(struct smb_charger *chg, u8 batt_status) |
| { |
| union power_supply_propval pval = {0, }; |
| int rc = 0; |
| |
| rc = smblib_get_prop_from_bms(chg, POWER_SUPPLY_PROP_CAPACITY, &pval); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read SOC value, rc=%d\n", rc); |
| return; |
| } |
| |
| /* |
| * Post charge termination, switch to BSM mode triggers the risk of |
| * over charging as BATFET opening may take some time post the necessity |
| * of staying in supplemental mode, leading to unintended charging of |
| * battery. Trigger the charge termination WA once charging is completed |
| * to prevent overcharing. |
| */ |
| if ((batt_status == TERMINATE_CHARGE) && (pval.intval == 100)) { |
| alarm_start_relative(&chg->chg_termination_alarm, |
| ms_to_ktime(CHG_TERM_WA_ENTRY_DELAY_MS)); |
| } else if (pval.intval < 100) { |
| /* |
| * Reset CC_SOC reference value for charge termination WA once |
| * we exit the TERMINATE_CHARGE state and soc drops below 100% |
| */ |
| chg->cc_soc_ref = 0; |
| } |
| } |
| |
| 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; |
| |
| if (chg->wa_flags & CHG_TERMINATION_WA) |
| smblib_eval_chg_termination(chg, stat); |
| |
| 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; |
| |
| smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); |
| |
| if (chg->jeita_configured != JEITA_CFG_COMPLETE) |
| return IRQ_HANDLED; |
| |
| rc = smblib_soft_jeita_arb_wa(chg); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't fix soft jeita arb rc=%d\n", |
| rc); |
| return IRQ_HANDLED; |
| } |
| |
| 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; |
| } |
| |
| #define AICL_STEP_MV 200 |
| #define MAX_AICL_THRESHOLD_MV 4800 |
| 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; |
| const struct apsd_result *apsd = smblib_get_apsd_result(chg); |
| int rc; |
| u8 stat = 0, max_pulses = 0; |
| |
| smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); |
| |
| if ((chg->wa_flags & WEAK_ADAPTER_WA) |
| && is_storming(&irq_data->storm_data)) { |
| |
| if (chg->aicl_max_reached) { |
| smblib_dbg(chg, PR_MISC, |
| "USBIN_UV storm at max AICL threshold\n"); |
| return IRQ_HANDLED; |
| } |
| |
| smblib_dbg(chg, PR_MISC, "USBIN_UV storm at threshold %d\n", |
| chg->aicl_5v_threshold_mv); |
| |
| /* suspend USBIN before updating AICL threshold */ |
| vote(chg->usb_icl_votable, AICL_THRESHOLD_VOTER, true, 0); |
| |
| /* delay for VASHDN deglitch */ |
| msleep(20); |
| |
| if (chg->aicl_5v_threshold_mv > MAX_AICL_THRESHOLD_MV) { |
| /* reached max AICL threshold */ |
| chg->aicl_max_reached = true; |
| goto unsuspend_input; |
| } |
| |
| /* Increase AICL threshold by 200mV */ |
| rc = smblib_set_charge_param(chg, &chg->param.aicl_5v_threshold, |
| chg->aicl_5v_threshold_mv + AICL_STEP_MV); |
| if (rc < 0) |
| dev_err(chg->dev, |
| "Error in setting AICL threshold rc=%d\n", rc); |
| else |
| chg->aicl_5v_threshold_mv += AICL_STEP_MV; |
| |
| rc = smblib_set_charge_param(chg, |
| &chg->param.aicl_cont_threshold, |
| chg->aicl_cont_threshold_mv + AICL_STEP_MV); |
| if (rc < 0) |
| dev_err(chg->dev, |
| "Error in setting AICL threshold rc=%d\n", rc); |
| else |
| chg->aicl_cont_threshold_mv += AICL_STEP_MV; |
| |
| unsuspend_input: |
| /* Force torch in boost mode to ensure it works with low ICL */ |
| if (chg->smb_version == PMI632_SUBTYPE) |
| schgm_flash_torch_priority(chg, TORCH_BOOST_MODE); |
| |
| if (chg->aicl_max_reached) { |
| smblib_dbg(chg, PR_MISC, |
| "Reached max AICL threshold resctricting ICL to 100mA\n"); |
| vote(chg->usb_icl_votable, AICL_THRESHOLD_VOTER, |
| true, USBIN_100MA); |
| smblib_run_aicl(chg, RESTART_AICL); |
| } else { |
| smblib_run_aicl(chg, RESTART_AICL); |
| vote(chg->usb_icl_votable, AICL_THRESHOLD_VOTER, |
| false, 0); |
| } |
| |
| wdata = &chg->irq_info[USBIN_UV_IRQ].irq_data->storm_data; |
| reset_storm_count(wdata); |
| } |
| |
| 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); |
| |
| /* Workaround for non-QC2.0-compliant chargers follows */ |
| if (!chg->qc2_unsupported_voltage && |
| apsd->pst == POWER_SUPPLY_TYPE_USB_HVDCP) { |
| rc = smblib_read(chg, QC_CHANGE_STATUS_REG, &stat); |
| if (rc < 0) |
| smblib_err(chg, |
| "Couldn't read CHANGE_STATUS_REG rc=%d\n", rc); |
| |
| if (stat & QC_5V_BIT) |
| return IRQ_HANDLED; |
| |
| rc = smblib_read(chg, HVDCP_PULSE_COUNT_MAX_REG, &max_pulses); |
| if (rc < 0) |
| smblib_err(chg, |
| "Couldn't read QC2 max pulses rc=%d\n", rc); |
| |
| chg->qc2_max_pulses = (max_pulses & |
| HVDCP_PULSE_COUNT_MAX_QC2_MASK); |
| |
| if (stat & QC_12V_BIT) { |
| chg->qc2_unsupported_voltage = QC2_NON_COMPLIANT_12V; |
| rc = smblib_masked_write(chg, HVDCP_PULSE_COUNT_MAX_REG, |
| HVDCP_PULSE_COUNT_MAX_QC2_MASK, |
| HVDCP_PULSE_COUNT_MAX_QC2_9V); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't force max pulses to 9V rc=%d\n", |
| rc); |
| |
| } else if (stat & QC_9V_BIT) { |
| chg->qc2_unsupported_voltage = QC2_NON_COMPLIANT_9V; |
| rc = smblib_masked_write(chg, HVDCP_PULSE_COUNT_MAX_REG, |
| HVDCP_PULSE_COUNT_MAX_QC2_MASK, |
| HVDCP_PULSE_COUNT_MAX_QC2_5V); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't force max pulses to 5V rc=%d\n", |
| rc); |
| |
| } |
| |
| rc = smblib_masked_write(chg, USBIN_AICL_OPTIONS_CFG_REG, |
| SUSPEND_ON_COLLAPSE_USBIN_BIT, |
| 0); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't turn off SUSPEND_ON_COLLAPSE_USBIN_BIT rc=%d\n", |
| rc); |
| |
| smblib_rerun_apsd(chg); |
| } |
| |
| 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) { |
| /* |
| * Ignore if change in ICL is due to DIE temp mitigation. |
| * This is to prevent any further ICL split. |
| */ |
| if (chg->hw_die_temp_mitigation) { |
| rc = smblib_read(chg, DIE_TEMP_STATUS_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, |
| "Couldn't read DIE_TEMP rc=%d\n", rc); |
| return IRQ_HANDLED; |
| } |
| if (stat & (DIE_TEMP_UB_BIT | DIE_TEMP_LB_BIT)) { |
| smblib_dbg(chg, PR_PARALLEL, |
| "skip ICL change DIE_TEMP %x\n", stat); |
| return IRQ_HANDLED; |
| } |
| } |
| |
| 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) { |
| 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) { |
| /* Remove FCC_STEPPER 1.5A init vote to allow FCC ramp up */ |
| if (chg->fcc_stepper_enable) |
| vote(chg->fcc_votable, FCC_STEPPER_VOTER, false, 0); |
| } 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); |
| } |
| } |
| |
| /* Force 1500mA FCC on USB removal if fcc stepper is enabled */ |
| if (chg->fcc_stepper_enable) |
| vote(chg->fcc_votable, FCC_STEPPER_VOTER, |
| true, 1500000); |
| } |
| |
| 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); |
| |
| /* Enable SW Thermal regulation */ |
| rc = smblib_set_sw_thermal_regulation(chg, true); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't start SW thermal regulation WA, rc=%d\n", |
| rc); |
| |
| /* Remove FCC_STEPPER 1.5A init vote to allow FCC ramp up */ |
| if (chg->fcc_stepper_enable) |
| vote(chg->fcc_votable, FCC_STEPPER_VOTER, false, 0); |
| |
| /* 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 { |
| /* Disable SW Thermal Regulation */ |
| rc = smblib_set_sw_thermal_regulation(chg, false); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't stop SW thermal regulation WA, 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); |
| } |
| } |
| |
| /* Force 1500mA FCC on removal if fcc stepper is enabled */ |
| if (chg->fcc_stepper_enable) |
| vote(chg->fcc_votable, FCC_STEPPER_VOTER, |
| true, 1500000); |
| |
| if (chg->wa_flags & WEAK_ADAPTER_WA) { |
| chg->aicl_5v_threshold_mv = |
| chg->default_aicl_5v_threshold_mv; |
| chg->aicl_cont_threshold_mv = |
| chg->default_aicl_cont_threshold_mv; |
| |
| smblib_set_charge_param(chg, |
| &chg->param.aicl_5v_threshold, |
| chg->aicl_5v_threshold_mv); |
| smblib_set_charge_param(chg, |
| &chg->param.aicl_cont_threshold, |
| chg->aicl_cont_threshold_mv); |
| chg->aicl_max_reached = false; |
| |
| if (chg->smb_version == PMI632_SUBTYPE) |
| schgm_flash_torch_priority(chg, |
| TORCH_BUCK_MODE); |
| |
| data = chg->irq_info[USBIN_UV_IRQ].irq_data; |
| if (data) { |
| wdata = &data->storm_data; |
| reset_storm_count(wdata); |
| } |
| vote(chg->usb_icl_votable, AICL_THRESHOLD_VOTER, |
| false, 0); |
| } |
| |
| rc = smblib_request_dpdm(chg, false); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't disable DPDM rc=%d\n", rc); |
| |
| smblib_update_usb_type(chg); |
| } |
| |
| 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; |
| |
| if (chg->pd_hard_reset) |
| smblib_usb_plugin_hard_reset_locked(chg); |
| else |
| smblib_usb_plugin_locked(chg); |
| |
| 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"); |
| } |
| |
| /* triggers when HVDCP 3.0 authentication has finished */ |
| static void smblib_handle_hvdcp_3p0_auth_done(struct smb_charger *chg, |
| bool rising) |
| { |
| const struct apsd_result *apsd_result; |
| int rc; |
| |
| if (!rising) |
| return; |
| |
| if (chg->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); |
| |
| /* for QC3, switch to CP if present */ |
| if ((apsd_result->bit & QC_3P0_BIT) && chg->sec_cp_present) { |
| rc = smblib_select_sec_charger(chg, POWER_SUPPLY_CHARGER_SEC_CP, |
| POWER_SUPPLY_CP_HVDCP3, false); |
| if (rc < 0) |
| dev_err(chg->dev, |
| "Couldn't enable secondary chargers rc=%d\n", rc); |
| } |
| |
| smblib_dbg(chg, PR_INTERRUPT, "IRQ: hvdcp-3p0-auth-done rising; %s detected\n", |
| apsd_result->name); |
| } |
| |
| static void smblib_handle_hvdcp_check_timeout(struct smb_charger *chg, |
| bool rising, bool qc_charger) |
| { |
| if (rising) { |
| |
| if (qc_charger) { |
| /* enable HDC and ICL irq for QC2/3 charger */ |
| vote(chg->usb_irq_enable_votable, QC_VOTER, true, 0); |
| vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true, |
| HVDCP_CURRENT_UA); |
| } else { |
| /* A plain DCP, enforce DCP ICL if specified */ |
| vote(chg->usb_icl_votable, DCP_VOTER, |
| chg->dcp_icl_ua != -EINVAL, chg->dcp_icl_ua); |
| } |
| } |
| |
| 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 update_sw_icl_max(struct smb_charger *chg, int pst) |
| { |
| int typec_mode; |
| int rp_ua; |
| |
| /* while PD is active it should have complete ICL control */ |
| if (chg->pd_active) |
| return; |
| |
| /* |
| * HVDCP 2/3, handled separately |
| */ |
| if (pst == POWER_SUPPLY_TYPE_USB_HVDCP |
| || pst == POWER_SUPPLY_TYPE_USB_HVDCP_3) |
| return; |
| |
| /* TypeC rp med or high, use rp value */ |
| typec_mode = smblib_get_prop_typec_mode(chg); |
| if (typec_rp_med_high(chg, typec_mode)) { |
| rp_ua = get_rp_based_dcp_current(chg, typec_mode); |
| vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true, rp_ua); |
| return; |
| } |
| |
| /* rp-std or legacy, USB BC 1.2 */ |
| switch (pst) { |
| case POWER_SUPPLY_TYPE_USB: |
| /* |
| * USB_PSY will vote to increase the current to 500/900mA once |
| * enumeration is done. |
| */ |
| if (!is_client_vote_enabled(chg->usb_icl_votable, |
| USB_PSY_VOTER)) { |
| /* if flash is active force 500mA */ |
| vote(chg->usb_icl_votable, USB_PSY_VOTER, true, |
| is_flash_active(chg) ? |
| SDP_CURRENT_UA : SDP_100_MA); |
| } |
| vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, false, 0); |
| break; |
| case POWER_SUPPLY_TYPE_USB_CDP: |
| vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true, |
| CDP_CURRENT_UA); |
| break; |
| case POWER_SUPPLY_TYPE_USB_DCP: |
| vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true, |
| DCP_CURRENT_UA); |
| break; |
| case POWER_SUPPLY_TYPE_USB_FLOAT: |
| /* |
| * limit ICL to 100mA, the USB driver will enumerate to check |
| * if this is a SDP and appropriately set the current |
| */ |
| vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true, |
| SDP_100_MA); |
| break; |
| case POWER_SUPPLY_TYPE_UNKNOWN: |
| default: |
| vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true, |
| SDP_100_MA); |
| break; |
| } |
| } |
| |
| 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); |
| |
| update_sw_icl_max(chg, apsd_result->pst); |
| |
| switch (apsd_result->bit) { |
| case SDP_CHARGER_BIT: |
| case CDP_CHARGER_BIT: |
| case FLOAT_CHARGER_BIT: |
| if (chg->use_extcon) |
| smblib_notify_device_mode(chg, true); |
| break; |
| case OCP_CHARGER_BIT: |
| 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; |
| |
| /* PD session is ongoing, ignore BC1.2 and QC detection */ |
| if (chg->pd_active) |
| return IRQ_HANDLED; |
| |
| 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_INTERRUPT, "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_if_required(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_INTERRUPT, "APSD_STATUS = 0x%02x\n", stat); |
| |
| return IRQ_HANDLED; |
| } |
| |
| enum alarmtimer_restart smblib_lpd_recheck_timer(struct alarm *alarm, |
| ktime_t time) |
| { |
| union power_supply_propval pval; |
| struct smb_charger *chg = container_of(alarm, struct smb_charger, |
| lpd_recheck_timer); |
| int rc; |
| |
| if (chg->lpd_reason == LPD_MOISTURE_DETECTED) { |
| pval.intval = POWER_SUPPLY_TYPEC_PR_DUAL; |
| rc = smblib_set_prop_typec_power_role(chg, &pval); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't write 0x%02x to TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n", |
| pval.intval, rc); |
| return ALARMTIMER_NORESTART; |
| } |
| } else { |
| rc = smblib_masked_write(chg, TYPE_C_INTERRUPT_EN_CFG_2_REG, |
| TYPEC_WATER_DETECTION_INT_EN_BIT, |
| TYPEC_WATER_DETECTION_INT_EN_BIT); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't set TYPE_C_INTERRUPT_EN_CFG_2_REG rc=%d\n", |
| rc); |
| return ALARMTIMER_NORESTART; |
| } |
| } |
| |
| chg->lpd_stage = LPD_STAGE_NONE; |
| chg->lpd_reason = LPD_NONE; |
| |
| return ALARMTIMER_NORESTART; |
| } |
| |
| #define RSBU_K_300K_UV 3000000 |
| static bool smblib_src_lpd(struct smb_charger *chg) |
| { |
| union power_supply_propval pval; |
| bool lpd_flag = false; |
| u8 stat; |
| int rc; |
| |
| if (chg->lpd_disabled) |
| return false; |
| |
| 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 false; |
| } |
| |
| switch (stat & DETECTED_SNK_TYPE_MASK) { |
| case SRC_DEBUG_ACCESS_BIT: |
| if (smblib_rsbux_low(chg, RSBU_K_300K_UV)) |
| lpd_flag = true; |
| break; |
| case SRC_RD_RA_VCONN_BIT: |
| case SRC_RD_OPEN_BIT: |
| case AUDIO_ACCESS_RA_RA_BIT: |
| default: |
| break; |
| } |
| |
| if (lpd_flag) { |
| chg->lpd_stage = LPD_STAGE_COMMIT; |
| pval.intval = POWER_SUPPLY_TYPEC_PR_SINK; |
| rc = smblib_set_prop_typec_power_role(chg, &pval); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't write 0x%02x to TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n", |
| pval.intval, rc); |
| chg->lpd_reason = LPD_MOISTURE_DETECTED; |
| alarm_start_relative(&chg->lpd_recheck_timer, |
| ms_to_ktime(60000)); |
| } else { |
| chg->lpd_reason = LPD_NONE; |
| chg->typec_mode = smblib_get_prop_typec_mode(chg); |
| } |
| |
| return lpd_flag; |
| } |
| |
| static void typec_sink_insertion(struct smb_charger *chg) |
| { |
| int rc; |
| |
| vote(chg->usb_icl_votable, OTG_VOTER, true, 0); |
| rc = smblib_set_charge_param(chg, &chg->param.freq_switcher, |
| chg->chg_freq.freq_above_otg_threshold); |
| if (rc < 0) |
| dev_err(chg->dev, "Error in setting freq_boost rc=%d\n", rc); |
| |
| if (chg->use_extcon) { |
| smblib_notify_usb_host(chg, true); |
| chg->otg_present = true; |
| } |
| |
| if (!chg->pr_swap_in_progress) |
| chg->ok_to_pd = (!(chg->pd_disabled) || chg->early_usb_attach) |
| && !chg->pd_not_supported; |
| } |
| |
| static void typec_src_insertion(struct smb_charger *chg) |
| { |
| int rc = 0; |
| u8 stat; |
| |
| if (chg->pr_swap_in_progress) |
| return; |
| |
| rc = smblib_read(chg, LEGACY_CABLE_STATUS_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read TYPE_C_STATE_MACHINE_STATUS_REG rc=%d\n", |
| rc); |
| return; |
| } |
| |
| chg->typec_legacy = stat & TYPEC_LEGACY_CABLE_STATUS_BIT; |
| chg->ok_to_pd = (!(chg->typec_legacy || chg->pd_disabled) |
| || chg->early_usb_attach) && !chg->pd_not_supported; |
| |
| /* allow apsd proceed to detect QC2/3 */ |
| if (!chg->ok_to_pd) |
| smblib_hvdcp_detect_enable(chg, true); |
| } |
| |
| static void typec_sink_removal(struct smb_charger *chg) |
| { |
| int rc; |
| |
| vote(chg->usb_icl_votable, OTG_VOTER, false, 0); |
| rc = smblib_set_charge_param(chg, &chg->param.freq_switcher, |
| chg->chg_freq.freq_removal); |
| if (rc < 0) |
| dev_err(chg->dev, "Error in setting freq_removal rc=%d\n", rc); |
| |
| if (chg->use_extcon) { |
| if (chg->otg_present) |
| smblib_notify_usb_host(chg, false); |
| chg->otg_present = false; |
| } |
| } |
| |
| static void typec_src_removal(struct smb_charger *chg) |
| { |
| int rc; |
| struct smb_irq_data *data; |
| struct storm_watch *wdata; |
| int sec_charger; |
| |
| sec_charger = chg->sec_pl_present ? POWER_SUPPLY_CHARGER_SEC_PL : |
| POWER_SUPPLY_CHARGER_SEC_NONE; |
| |
| rc = smblib_select_sec_charger(chg, sec_charger, POWER_SUPPLY_CP_NONE, |
| false); |
| if (rc < 0) |
| dev_err(chg->dev, |
| "Couldn't disable secondary charger rc=%d\n", rc); |
| |
| smblib_hvdcp_detect_enable(chg, false); |
| smblib_update_usb_type(chg); |
| |
| 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); |
| |
| if (chg->wa_flags & CHG_TERMINATION_WA) |
| alarm_cancel(&chg->chg_termination_alarm); |
| |
| /* reset input current limit voters */ |
| vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true, |
| is_flash_active(chg) ? SDP_CURRENT_UA : SDP_100_MA); |
| 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, SW_QC3_VOTER, false, 0); |
| vote(chg->usb_icl_votable, OTG_VOTER, false, 0); |
| vote(chg->usb_icl_votable, CTM_VOTER, false, 0); |
| vote(chg->usb_icl_votable, HVDCP2_ICL_VOTER, false, 0); |
| vote(chg->usb_icl_votable, CHG_TERMINATION_VOTER, false, 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); |
| |
| /* Remove SW thermal regulation WA votes */ |
| vote(chg->usb_icl_votable, SW_THERM_REGULATION_VOTER, false, 0); |
| vote(chg->pl_disable_votable, SW_THERM_REGULATION_VOTER, false, 0); |
| vote(chg->dc_suspend_votable, SW_THERM_REGULATION_VOTER, false, 0); |
| if (chg->cp_disable_votable) |
| vote(chg->cp_disable_votable, SW_THERM_REGULATION_VOTER, |
| false, 0); |
| |
| /* reset USBOV votes and cancel work */ |
| cancel_delayed_work_sync(&chg->usbov_dbc_work); |
| vote(chg->awake_votable, USBOV_DBC_VOTER, false, 0); |
| chg->dbc_usbov = false; |
| |
| chg->pulse_cnt = 0; |
| chg->usb_icl_delta_ua = 0; |
| chg->voltage_min_uv = MICRO_5V; |
| chg->voltage_max_uv = MICRO_5V; |
| |
| /* 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); |
| |
| /* 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); |
| |
| /* |
| * if non-compliant charger caused UV, restore original max pulses |
| * and turn SUSPEND_ON_COLLAPSE_USBIN_BIT back on. |
| */ |
| if (chg->qc2_unsupported_voltage) { |
| rc = smblib_masked_write(chg, HVDCP_PULSE_COUNT_MAX_REG, |
| HVDCP_PULSE_COUNT_MAX_QC2_MASK, |
| chg->qc2_max_pulses); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't restore max pulses rc=%d\n", |
| rc); |
| |
| rc = smblib_masked_write(chg, USBIN_AICL_OPTIONS_CFG_REG, |
| SUSPEND_ON_COLLAPSE_USBIN_BIT, |
| SUSPEND_ON_COLLAPSE_USBIN_BIT); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't turn on SUSPEND_ON_COLLAPSE_USBIN_BIT rc=%d\n", |
| rc); |
| |
| chg->qc2_unsupported_voltage = QC2_COMPLIANT; |
| } |
| |
| if (chg->use_extcon) |
| smblib_notify_device_mode(chg, false); |
| |
| chg->typec_legacy = false; |
| } |
| |
| static void typec_mode_unattached(struct smb_charger *chg) |
| { |
| vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true, USBIN_100MA); |
| } |
| |
| static void smblib_handle_rp_change(struct smb_charger *chg, int typec_mode) |
| { |
| const struct apsd_result *apsd = smblib_get_apsd_result(chg); |
| |
| /* |
| * 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 or FLOAT is configured for |
| * SDP current. |
| */ |
| if (apsd->pst == POWER_SUPPLY_TYPE_USB_FLOAT) { |
| if (get_client_vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER) |
| <= USBIN_100MA |
| || (chg->float_cfg & FLOAT_OPTIONS_MASK) |
| == FORCE_FLOAT_SDP_CFG_BIT) |
| return; |
| } |
| |
| update_sw_icl_max(chg, apsd->pst); |
| |
| smblib_dbg(chg, PR_MISC, "CC change old_mode=%d new_mode=%d\n", |
| chg->typec_mode, typec_mode); |
| } |
| |
| static void smblib_lpd_launch_ra_open_work(struct smb_charger *chg) |
| { |
| u8 stat; |
| int rc; |
| |
| if (chg->lpd_disabled) |
| return; |
| |
| 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; |
| } |
| |
| if (!(stat & TYPEC_TCCDEBOUNCE_DONE_STATUS_BIT) |
| && chg->lpd_stage == LPD_STAGE_NONE) { |
| chg->lpd_stage = LPD_STAGE_FLOAT; |
| cancel_delayed_work_sync(&chg->lpd_ra_open_work); |
| vote(chg->awake_votable, LPD_VOTER, true, 0); |
| schedule_delayed_work(&chg->lpd_ra_open_work, |
| msecs_to_jiffies(300)); |
| } |
| } |
| |
| 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; |
| |
| smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); |
| |
| if (chg->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_USB) { |
| if (chg->uusb_moisture_protection_enabled) { |
| /* |
| * Adding pm_stay_awake as because pm_relax is called |
| * on exit path from the work routine. |
| */ |
| pm_stay_awake(chg->dev); |
| schedule_work(&chg->moisture_protection_work); |
| } |
| |
| cancel_delayed_work_sync(&chg->uusb_otg_work); |
| /* |
| * Skip OTG enablement if RID interrupt triggers with moisture |
| * protection still enabled. |
| */ |
| if (!chg->moisture_present) { |
| 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)); |
| } |
| |
| goto out; |
| } |
| |
| if (chg->pr_swap_in_progress || chg->pd_hard_reset) |
| goto out; |
| |
| smblib_lpd_launch_ra_open_work(chg); |
| |
| if (chg->usb_psy) |
| power_supply_changed(chg->usb_psy); |
| |
| out: |
| 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; |
| int typec_mode; |
| |
| if (chg->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_USB) { |
| smblib_dbg(chg, PR_INTERRUPT, |
| "Ignoring for micro USB\n"); |
| return IRQ_HANDLED; |
| } |
| |
| typec_mode = smblib_get_prop_typec_mode(chg); |
| if (chg->sink_src_mode != UNATTACHED_MODE |
| && (typec_mode != chg->typec_mode)) |
| smblib_handle_rp_change(chg, typec_mode); |
| chg->typec_mode = typec_mode; |
| |
| smblib_dbg(chg, PR_INTERRUPT, "IRQ: cc-state-change; Type-C %s detected\n", |
| smblib_typec_mode_name[chg->typec_mode]); |
| |
| power_supply_changed(chg->usb_psy); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static void smblib_lpd_clear_ra_open_work(struct smb_charger *chg) |
| { |
| if (chg->lpd_disabled) |
| return; |
| |
| cancel_delayed_work_sync(&chg->lpd_detach_work); |
| chg->lpd_stage = LPD_STAGE_FLOAT_CANCEL; |
| cancel_delayed_work_sync(&chg->lpd_ra_open_work); |
| vote(chg->awake_votable, LPD_VOTER, false, 0); |
| } |
| |
| irqreturn_t typec_attach_detach_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, TYPE_C_STATE_MACHINE_STATUS_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read TYPE_C_STATE_MACHINE_STATUS_REG rc=%d\n", |
| rc); |
| return IRQ_HANDLED; |
| } |
| |
| if (stat & TYPEC_ATTACH_DETACH_STATE_BIT) { |
| |
| smblib_lpd_clear_ra_open_work(chg); |
| |
| 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 IRQ_HANDLED; |
| } |
| |
| if (stat & SNK_SRC_MODE_BIT) { |
| if (smblib_src_lpd(chg)) |
| return IRQ_HANDLED; |
| chg->sink_src_mode = SRC_MODE; |
| typec_sink_insertion(chg); |
| } else { |
| chg->sink_src_mode = SINK_MODE; |
| typec_src_insertion(chg); |
| } |
| |
| } else { |
| switch (chg->sink_src_mode) { |
| case SRC_MODE: |
| typec_sink_removal(chg); |
| break; |
| case SINK_MODE: |
| typec_src_removal(chg); |
| break; |
| case UNATTACHED_MODE: |
| default: |
| typec_mode_unattached(chg); |
| break; |
| } |
| |
| if (!chg->pr_swap_in_progress) { |
| chg->ok_to_pd = false; |
| chg->sink_src_mode = UNATTACHED_MODE; |
| chg->early_usb_attach = false; |
| smblib_apsd_enable(chg, true); |
| } |
| |
| if (chg->lpd_stage == LPD_STAGE_FLOAT_CANCEL) |
| schedule_delayed_work(&chg->lpd_detach_work, |
| msecs_to_jiffies(1000)); |
| } |
| |
| power_supply_changed(chg->usb_psy); |
| |
| 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; |
| union power_supply_propval pval; |
| int input_present; |
| bool dcin_present, vbus_present; |
| int rc, wireless_vout = 0; |
| int sec_charger; |
| |
| rc = iio_read_channel_processed(chg->iio.vph_v_chan, |
| &wireless_vout); |
| if (rc < 0) |
| return IRQ_HANDLED; |
| |
| wireless_vout *= 2; |
| wireless_vout /= 100000; |
| wireless_vout *= 100000; |
| |
| rc = smblib_is_input_present(chg, &input_present); |
| if (rc < 0) |
| return IRQ_HANDLED; |
| |
| dcin_present = input_present & INPUT_PRESENT_DC; |
| vbus_present = input_present & INPUT_PRESENT_USB; |
| |
| if (dcin_present) { |
| if (!vbus_present && chg->sec_cp_present) { |
| pval.intval = wireless_vout; |
| rc = smblib_set_prop_voltage_wls_output(chg, &pval); |
| if (rc < 0) |
| dev_err(chg->dev, "Couldn't set dc voltage to 2*vph rc=%d\n", |
| rc); |
| |
| rc = smblib_select_sec_charger(chg, |
| POWER_SUPPLY_CHARGER_SEC_CP, |
| POWER_SUPPLY_CP_WIRELESS, false); |
| if (rc < 0) |
| dev_err(chg->dev, "Couldn't enable secondary chargers rc=%d\n", |
| rc); |
| } |
| } else if (chg->cp_reason == POWER_SUPPLY_CP_WIRELESS) { |
| sec_charger = chg->sec_pl_present ? |
| POWER_SUPPLY_CHARGER_SEC_PL : |
| POWER_SUPPLY_CHARGER_SEC_NONE; |
| rc = smblib_select_sec_charger(chg, sec_charger, |
| POWER_SUPPLY_CP_NONE, false); |
| if (rc < 0) |
| dev_err(chg->dev, |
| "Couldn't disable secondary charger rc=%d\n", |
| rc); |
| } |
| |
| power_supply_changed(chg->dc_psy); |
| |
| smblib_dbg(chg, PR_WLS, "dcin_present= %d, usbin_present= %d, cp_reason = %d\n", |
| dcin_present, vbus_present, chg->cp_reason); |
| |
| 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_snarl_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); |
| |
| if (chg->wa_flags & SW_THERM_REGULATION_WA) { |
| cancel_delayed_work_sync(&chg->thermal_regulation_work); |
| vote(chg->awake_votable, SW_THERM_REGULATION_VOTER, true, 0); |
| schedule_delayed_work(&chg->thermal_regulation_work, 0); |
| } |
| |
| 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) |
| power_supply_changed(chg->batt_psy); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static void smblib_die_rst_icl_regulate(struct smb_charger *chg) |
| { |
| int rc; |
| u8 temp; |
| |
| rc = smblib_read(chg, DIE_TEMP_STATUS_REG, &temp); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read DIE_TEMP_STATUS_REG rc=%d\n", |
| rc); |
| return; |
| } |
| |
| /* Regulate ICL on die temp crossing DIE_RST threshold */ |
| vote(chg->usb_icl_votable, DIE_TEMP_VOTER, |
| temp & DIE_TEMP_RST_BIT, 500000); |
| } |
| |
| /* |
| * triggered when DIE or SKIN or CONNECTOR temperature across |
| * either of the _REG_L, _REG_H, _RST, or _SHDN thresholds |
| */ |
| irqreturn_t temp_change_irq_handler(int irq, void *data) |
| { |
| struct smb_irq_data *irq_data = data; |
| struct smb_charger *chg = irq_data->parent_data; |
| |
| smblib_die_rst_icl_regulate(chg); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static void smblib_usbov_dbc_work(struct work_struct *work) |
| { |
| struct smb_charger *chg = container_of(work, struct smb_charger, |
| usbov_dbc_work.work); |
| |
| smblib_dbg(chg, PR_MISC, "Resetting USBOV debounce\n"); |
| chg->dbc_usbov = false; |
| vote(chg->awake_votable, USBOV_DBC_VOTER, false, 0); |
| } |
| |
| #define USB_OV_DBC_PERIOD_MS 1000 |
| irqreturn_t usbin_ov_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); |
| |
| if (!(chg->wa_flags & USBIN_OV_WA)) |
| return IRQ_HANDLED; |
| |
| 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 IRQ_HANDLED; |
| } |
| |
| /* |
| * On specific PMICs, OV IRQ triggers for very small duration in |
| * interim periods affecting charging status reflection. In order to |
| * differentiate between OV IRQ glitch and real OV_IRQ, add a debounce |
| * period for evaluation. |
| */ |
| if (stat & USBIN_OV_RT_STS_BIT) { |
| chg->dbc_usbov = true; |
| vote(chg->awake_votable, USBOV_DBC_VOTER, true, 0); |
| schedule_delayed_work(&chg->usbov_dbc_work, |
| msecs_to_jiffies(USB_OV_DBC_PERIOD_MS)); |
| } else { |
| cancel_delayed_work_sync(&chg->usbov_dbc_work); |
| chg->dbc_usbov = false; |
| vote(chg->awake_votable, USBOV_DBC_VOTER, false, 0); |
| } |
| |
| smblib_dbg(chg, PR_MISC, "USBOV debounce status %d\n", |
| chg->dbc_usbov); |
| 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; |
| u8 stat = 0, orientation; |
| |
| chg->pr_swap_in_progress = val->intval; |
| |
| 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); |
| |
| rc = smblib_masked_write(chg, TYPE_C_EXIT_STATE_CFG_REG, |
| BYPASS_VSAFE0V_DURING_ROLE_SWAP_BIT, |
| val->intval ? BYPASS_VSAFE0V_DURING_ROLE_SWAP_BIT : 0); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't set exit state cfg rc=%d\n", rc); |
| |
| if (chg->pr_swap_in_progress) { |
| 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); |
| } |
| |
| orientation = |
| stat & CC_ORIENTATION_BIT ? TYPEC_CCOUT_VALUE_BIT : 0; |
| rc = smblib_masked_write(chg, TYPE_C_CCOUT_CONTROL_REG, |
| TYPEC_CCOUT_SRC_BIT | TYPEC_CCOUT_BUFFER_EN_BIT |
| | TYPEC_CCOUT_VALUE_BIT, |
| TYPEC_CCOUT_SRC_BIT | TYPEC_CCOUT_BUFFER_EN_BIT |
| | orientation); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read TYPE_C_CCOUT_CONTROL_REG rc=%d\n", |
| rc); |
| } |
| } else { |
| rc = smblib_masked_write(chg, TYPE_C_CCOUT_CONTROL_REG, |
| TYPEC_CCOUT_SRC_BIT, 0); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read TYPE_C_CCOUT_CONTROL_REG 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); |
| } |
| |
| 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); |
| else |
| goto out; |
| |
| 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) |
| { |
| union power_supply_propval prop_val; |
| struct smb_charger *chg = container_of(work, struct smb_charger, |
| pl_update_work); |
| int rc; |
| |
| if (chg->smb_temp_max == -EINVAL) { |
| rc = smblib_get_thermal_threshold(chg, |
| SMB_REG_H_THRESHOLD_MSB_REG, |
| &chg->smb_temp_max); |
| if (rc < 0) { |
| dev_err(chg->dev, "Couldn't get charger_temp_max rc=%d\n", |
| rc); |
| return; |
| } |
| } |
| |
| prop_val.intval = chg->smb_temp_max; |
| rc = power_supply_set_property(chg->pl.psy, |
| POWER_SUPPLY_PROP_CHARGER_TEMP_MAX, |
| &prop_val); |
| if (rc < 0) { |
| dev_err(chg->dev, "Couldn't set POWER_SUPPLY_PROP_CHARGER_TEMP_MAX rc=%d\n", |
| rc); |
| return; |
| } |
| |
| if (chg->sec_chg_selected == POWER_SUPPLY_CHARGER_SEC_CP) |
| return; |
| |
| smblib_select_sec_charger(chg, POWER_SUPPLY_CHARGER_SEC_PL, |
| POWER_SUPPLY_CP_NONE, 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 = false; |
| 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 void smblib_thermal_regulation_work(struct work_struct *work) |
| { |
| struct smb_charger *chg = container_of(work, struct smb_charger, |
| thermal_regulation_work.work); |
| int rc; |
| |
| rc = smblib_update_thermal_readings(chg); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't read current thermal values %d\n", |
| rc); |
| |
| rc = smblib_process_thermal_readings(chg); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't run sw thermal regulation %d\n", |
| rc); |
| } |
| |
| #define MOISTURE_PROTECTION_CHECK_DELAY_MS 300000 /* 5 mins */ |
| static void smblib_moisture_protection_work(struct work_struct *work) |
| { |
| struct smb_charger *chg = container_of(work, struct smb_charger, |
| moisture_protection_work); |
| int rc; |
| bool usb_plugged_in; |
| u8 stat; |
| |
| /* |
| * Hold awake votable to prevent pm_relax being called prior to |
| * completion of this work. |
| */ |
| vote(chg->awake_votable, MOISTURE_VOTER, true, 0); |
| |
| /* |
| * Disable 1% duty cycle on CC_ID pin and enable uUSB factory mode |
| * detection to track any change on RID, as interrupts are disable. |
| */ |
| rc = smblib_write(chg, ((chg->smb_version == PMI632_SUBTYPE) ? |
| PMI632_TYPEC_U_USB_WATER_PROTECTION_CFG_REG : |
| TYPEC_U_USB_WATER_PROTECTION_CFG_REG), 0); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't disable periodic monitoring of CC_ID rc=%d\n", |
| rc); |
| goto out; |
| } |
| |
| rc = smblib_masked_write(chg, TYPEC_U_USB_CFG_REG, |
| EN_MICRO_USB_FACTORY_MODE_BIT, |
| EN_MICRO_USB_FACTORY_MODE_BIT); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't enable uUSB factory mode detection rc=%d\n", |
| rc); |
| goto out; |
| } |
| |
| /* |
| * Add a delay of 100ms to allow change in rid to reflect on |
| * status registers. |
| */ |
| msleep(100); |
| |
| 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); |
| goto out; |
| } |
| usb_plugged_in = (bool)(stat & USBIN_PLUGIN_RT_STS_BIT); |
| |
| /* Check uUSB status for moisture presence */ |
| rc = smblib_read(chg, TYPEC_U_USB_STATUS_REG, &stat); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't read TYPE_C_U_USB_STATUS_REG rc=%d\n", |
| rc); |
| goto out; |
| } |
| |
| /* |
| * Factory mode detection happens in case of USB plugged-in by using |
| * a different current source of 2uA which can hamper moisture |
| * detection. Since factory mode is not supported in kernel, factory |
| * mode detection can be considered as equivalent to presence of |
| * moisture. |
| */ |
| if (stat == U_USB_STATUS_WATER_PRESENT || stat == U_USB_FMB1_BIT || |
| stat == U_USB_FMB2_BIT || (usb_plugged_in && |
| stat == U_USB_FLOAT1_BIT)) { |
| smblib_set_moisture_protection(chg, true); |
| alarm_start_relative(&chg->moisture_protection_alarm, |
| ms_to_ktime(MOISTURE_PROTECTION_CHECK_DELAY_MS)); |
| } else { |
| smblib_set_moisture_protection(chg, false); |
| rc = alarm_cancel(&chg->moisture_protection_alarm); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't cancel moisture protection alarm\n"); |
| } |
| |
| out: |
| vote(chg->awake_votable, MOISTURE_VOTER, false, 0); |
| } |
| |
| static enum alarmtimer_restart moisture_protection_alarm_cb(struct alarm *alarm, |
| ktime_t now) |
| { |
| struct smb_charger *chg = container_of(alarm, struct smb_charger, |
| moisture_protection_alarm); |
| |
| smblib_dbg(chg, PR_MISC, "moisture Protection Alarm Triggered %lld\n", |
| ktime_to_ms(now)); |
| |
| /* Atomic context, cannot use voter */ |
| pm_stay_awake(chg->dev); |
| schedule_work(&chg->moisture_protection_work); |
| |
| return ALARMTIMER_NORESTART; |
| } |
| |
| static void smblib_chg_termination_work(struct work_struct *work) |
| { |
| union power_supply_propval pval; |
| struct smb_charger *chg = container_of(work, struct smb_charger, |
| chg_termination_work); |
| int rc, input_present, delay = CHG_TERM_WA_ENTRY_DELAY_MS; |
| |
| /* |
| * Hold awake votable to prevent pm_relax being called prior to |
| * completion of this work. |
| */ |
| vote(chg->awake_votable, CHG_TERMINATION_VOTER, true, 0); |
| |
| rc = smblib_is_input_present(chg, &input_present); |
| if ((rc < 0) || !input_present) |
| goto out; |
| |
| rc = smblib_get_prop_from_bms(chg, POWER_SUPPLY_PROP_CAPACITY, &pval); |
| if ((rc < 0) || (pval.intval < 100)) { |
| vote(chg->usb_icl_votable, CHG_TERMINATION_VOTER, false, 0); |
| goto out; |
| } |
| |
| rc = smblib_get_prop_from_bms(chg, POWER_SUPPLY_PROP_CHARGE_FULL, |
| &pval); |
| if (rc < 0) |
| goto out; |
| |
| /* |
| * On change in the value of learned capacity, re-initialize the |
| * reference cc_soc value due to change in cc_soc characteristic value |
| * at full capacity. Also, in case cc_soc_ref value is reset, |
| * re-initialize it. |
| */ |
| if (pval.intval != chg->charge_full_cc || !chg->cc_soc_ref) { |
| chg->charge_full_cc = pval.intval; |
| rc = smblib_get_prop_from_bms(chg, POWER_SUPPLY_PROP_CC_SOC, |
| &pval); |
| if (rc < 0) |
| goto out; |
| |
| chg->cc_soc_ref = pval.intval; |
| } else { |
| rc = smblib_get_prop_from_bms(chg, POWER_SUPPLY_PROP_CC_SOC, |
| &pval); |
| if (rc < 0) |
| goto out; |
| } |
| |
| /* |
| * Suspend/Unsuspend USB input to keep cc_soc within the 0.5% to 0.75% |
| * overshoot range of the cc_soc value at termination, to prevent |
| * overcharging. |
| */ |
| if (pval.intval < DIV_ROUND_CLOSEST(chg->cc_soc_ref * 10050, 10000)) { |
| vote(chg->usb_icl_votable, CHG_TERMINATION_VOTER, false, 0); |
| vote(chg->dc_suspend_votable, CHG_TERMINATION_VOTER, false, 0); |
| delay = CHG_TERM_WA_ENTRY_DELAY_MS; |
| } else if (pval.intval > DIV_ROUND_CLOSEST(chg->cc_soc_ref * 10075, |
| 10000)) { |
| vote(chg->usb_icl_votable, CHG_TERMINATION_VOTER, true, 0); |
| vote(chg->dc_suspend_votable, CHG_TERMINATION_VOTER, true, 0); |
| delay = CHG_TERM_WA_EXIT_DELAY_MS; |
| } |
| |
| smblib_dbg(chg, PR_MISC, "Chg Term WA readings: cc_soc: %d, cc_soc_ref: %d, delay: %d\n", |
| pval.intval, chg->cc_soc_ref, delay); |
| alarm_start_relative(&chg->chg_termination_alarm, ms_to_ktime(delay)); |
| out: |
| vote(chg->awake_votable, CHG_TERMINATION_VOTER, false, 0); |
| } |
| |
| static enum alarmtimer_restart chg_termination_alarm_cb(struct alarm *alarm, |
| ktime_t now) |
| { |
| struct smb_charger *chg = container_of(alarm, struct smb_charger, |
| chg_termination_alarm); |
| |
| smblib_dbg(chg, PR_MISC, "Charge termination WA alarm triggered %lld\n", |
| ktime_to_ms(now)); |
| |
| /* Atomic context, cannot use voter */ |
| pm_stay_awake(chg->dev); |
| schedule_work(&chg->chg_termination_work); |
| |
| return ALARMTIMER_NORESTART; |
| } |
| |
| static void jeita_update_work(struct work_struct *work) |
| { |
| struct smb_charger *chg = container_of(work, struct smb_charger, |
| jeita_update_work); |
| struct device_node *node = chg->dev->of_node; |
| struct device_node *batt_node, *pnode; |
| union power_supply_propval val; |
| int rc, tmp[2], max_fcc_ma, max_fv_uv; |
| u32 jeita_hard_thresholds[2]; |
| |
| batt_node = of_find_node_by_name(node, "qcom,battery-data"); |
| if (!batt_node) { |
| smblib_err(chg, "Batterydata not available\n"); |
| goto out; |
| } |
| |
| /* if BMS is not ready, defer the work */ |
| if (!chg->bms_psy) |
| return; |
| |
| rc = smblib_get_prop_from_bms(chg, |
| POWER_SUPPLY_PROP_RESISTANCE_ID, &val); |
| if (rc < 0) { |
| smblib_err(chg, "Failed to get batt-id rc=%d\n", rc); |
| goto out; |
| } |
| |
| /* if BMS hasn't read out the batt_id yet, defer the work */ |
| if (val.intval <= 0) |
| return; |
| |
| pnode = of_batterydata_get_best_profile(batt_node, |
| val.intval / 1000, NULL); |
| if (IS_ERR(pnode)) { |
| rc = PTR_ERR(pnode); |
| smblib_err(chg, "Failed to detect valid battery profile %d\n", |
| rc); |
| goto out; |
| } |
| |
| rc = of_property_read_u32_array(pnode, "qcom,jeita-hard-thresholds", |
| jeita_hard_thresholds, 2); |
| if (!rc) { |
| rc = smblib_update_jeita(chg, jeita_hard_thresholds, |
| JEITA_HARD); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't configure Hard Jeita rc=%d\n", |
| rc); |
| goto out; |
| } |
| } |
| |
| rc = of_property_read_u32_array(pnode, "qcom,jeita-soft-thresholds", |
| chg->jeita_soft_thlds, 2); |
| if (!rc) { |
| rc = smblib_update_jeita(chg, chg->jeita_soft_thlds, |
| JEITA_SOFT); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't configure Soft Jeita rc=%d\n", |
| rc); |
| goto out; |
| } |
| |
| rc = of_property_read_u32_array(pnode, |
| "qcom,jeita-soft-hys-thresholds", |
| chg->jeita_soft_hys_thlds, 2); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't get Soft Jeita hysteresis thresholds rc=%d\n", |
| rc); |
| goto out; |
| } |
| } |
| |
| chg->jeita_soft_fcc[0] = chg->jeita_soft_fcc[1] = -EINVAL; |
| chg->jeita_soft_fv[0] = chg->jeita_soft_fv[1] = -EINVAL; |
| max_fcc_ma = max_fv_uv = -EINVAL; |
| |
| of_property_read_u32(pnode, "qcom,fastchg-current-ma", &max_fcc_ma); |
| of_property_read_u32(pnode, "qcom,max-voltage-uv", &max_fv_uv); |
| |
| if (max_fcc_ma <= 0 || max_fv_uv <= 0) { |
| smblib_err(chg, "Incorrect fastchg-current-ma or max-voltage-uv\n"); |
| goto out; |
| } |
| |
| rc = of_property_read_u32_array(pnode, "qcom,jeita-soft-fcc-ua", |
| tmp, 2); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't get fcc values for soft JEITA rc=%d\n", |
| rc); |
| goto out; |
| } |
| |
| max_fcc_ma *= 1000; |
| if (tmp[0] > max_fcc_ma || tmp[1] > max_fcc_ma) { |
| smblib_err(chg, "Incorrect FCC value [%d %d] max: %d\n", tmp[0], |
| tmp[1], max_fcc_ma); |
| goto out; |
| } |
| chg->jeita_soft_fcc[0] = tmp[0]; |
| chg->jeita_soft_fcc[1] = tmp[1]; |
| |
| rc = of_property_read_u32_array(pnode, "qcom,jeita-soft-fv-uv", tmp, |
| 2); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't get fv values for soft JEITA rc=%d\n", |
| rc); |
| goto out; |
| } |
| |
| if (tmp[0] > max_fv_uv || tmp[1] > max_fv_uv) { |
| smblib_err(chg, "Incorrect FV value [%d %d] max: %d\n", tmp[0], |
| tmp[1], max_fv_uv); |
| goto out; |
| } |
| chg->jeita_soft_fv[0] = tmp[0]; |
| chg->jeita_soft_fv[1] = tmp[1]; |
| |
| rc = smblib_soft_jeita_arb_wa(chg); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't fix soft jeita arb rc=%d\n", |
| rc); |
| goto out; |
| } |
| |
| chg->jeita_configured = JEITA_CFG_COMPLETE; |
| return; |
| |
| out: |
| chg->jeita_configured = JEITA_CFG_FAILURE; |
| } |
| |
| static void smblib_lpd_ra_open_work(struct work_struct *work) |
| { |
| struct smb_charger *chg = container_of(work, struct smb_charger, |
| lpd_ra_open_work.work); |
| union power_supply_propval pval; |
| u8 stat; |
| int rc; |
| |
| if (chg->pr_swap_in_progress || chg->pd_hard_reset) { |
| chg->lpd_stage = LPD_STAGE_NONE; |
| goto out; |
| } |
| |
| if (chg->lpd_stage != LPD_STAGE_FLOAT) |
| goto out; |
| |
| 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); |
| goto out; |
| } |
| |
| /* quit if moisture status is gone or in attached state */ |
| if (!(stat & TYPEC_WATER_DETECTION_STATUS_BIT) |
| || (stat & TYPEC_TCCDEBOUNCE_DONE_STATUS_BIT)) { |
| chg->lpd_stage = LPD_STAGE_NONE; |
| goto out; |
| } |
| |
| chg->lpd_stage = LPD_STAGE_COMMIT; |
| |
| /* Enable source only mode */ |
| pval.intval = POWER_SUPPLY_TYPEC_PR_SOURCE; |
| rc = smblib_set_prop_typec_power_role(chg, &pval); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't set typec source only mode rc=%d\n", |
| rc); |
| goto out; |
| } |
| |
| /* Wait 1.5ms to get SBUx ready */ |
| usleep_range(1500, 1510); |
| |
| if (smblib_rsbux_low(chg, RSBU_K_300K_UV)) { |
| /* Moisture detected, enable sink only mode */ |
| pval.intval = POWER_SUPPLY_TYPEC_PR_SINK; |
| rc = smblib_set_prop_typec_power_role(chg, &pval); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't set typec sink only rc=%d\n", |
| rc); |
| goto out; |
| } |
| |
| chg->lpd_reason = LPD_MOISTURE_DETECTED; |
| |
| } else { |
| /* Floating cable, disable water detection irq temporarily */ |
| rc = smblib_masked_write(chg, TYPE_C_INTERRUPT_EN_CFG_2_REG, |
| TYPEC_WATER_DETECTION_INT_EN_BIT, 0); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't set TYPE_C_INTERRUPT_EN_CFG_2_REG rc=%d\n", |
| rc); |
| goto out; |
| } |
| |
| /* restore DRP mode */ |
| pval.intval = POWER_SUPPLY_TYPEC_PR_DUAL; |
| rc = smblib_set_prop_typec_power_role(chg, &pval); |
| if (rc < 0) { |
| smblib_err(chg, "Couldn't write 0x%02x to TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n", |
| pval.intval, rc); |
| goto out; |
| } |
| |
| chg->lpd_reason = LPD_FLOATING_CABLE; |
| } |
| |
| /* recheck in 60 seconds */ |
| alarm_start_relative(&chg->lpd_recheck_timer, ms_to_ktime(60000)); |
| out: |
| vote(chg->awake_votable, LPD_VOTER, false, 0); |
| } |
| |
| static void smblib_lpd_detach_work(struct work_struct *work) |
| { |
| struct smb_charger *chg = container_of(work, struct smb_charger, |
| lpd_detach_work.work); |
| |
| if (chg->lpd_stage == LPD_STAGE_FLOAT_CANCEL) |
| chg->lpd_stage = LPD_STAGE_NONE; |
| } |
| |
| 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->smb_override_votable = create_votable("SMB_EN_OVERRIDE", |
| VOTE_SET_ANY, |
| smblib_smb_disable_override_vote_callback, chg); |
| if (IS_ERR(chg->smb_override_votable)) { |
| rc = PTR_ERR(chg->smb_override_votable); |
| chg->smb_override_votable = NULL; |
| return rc; |
| } |
| |
| 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->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->awake_votable) |
| destroy_votable(chg->awake_votable); |
| if (chg->chg_disable_votable) |
| destroy_votable(chg->chg_disable_votable); |
| } |
| |
| static void smblib_iio_deinit(struct smb_charger *chg) |
| { |
| if (!IS_ERR_OR_NULL(chg->iio.usbin_v_chan)) |
| iio_channel_release(chg->iio.usbin_v_chan); |
| if (!IS_ERR_OR_NULL(chg->iio.usbin_i_chan)) |
| iio_channel_release(chg->iio.usbin_i_chan); |
| if (!IS_ERR_OR_NULL(chg->iio.temp_chan)) |
| iio_channel_release(chg->iio.temp_chan); |
| if (!IS_ERR_OR_NULL(chg->iio.sbux_chan)) |
| iio_channel_release(chg->iio.sbux_chan); |
| if (!IS_ERR_OR_NULL(chg->iio.vph_v_chan)) |
| iio_channel_release(chg->iio.vph_v_chan); |
| if (!IS_ERR_OR_NULL(chg->iio.die_temp_chan)) |
| iio_channel_release(chg->iio.die_temp_chan); |
| if (!IS_ERR_OR_NULL(chg->iio.connector_temp_chan)) |
| iio_channel_release(chg->iio.connector_temp_chan); |
| if (!IS_ERR_OR_NULL(chg->iio.skin_temp_chan)) |
| iio_channel_release(chg->iio.skin_temp_chan); |
| if (!IS_ERR_OR_NULL(chg->iio.smb_temp_chan)) |
| iio_channel_release(chg->iio.smb_temp_chan); |
| } |
| |
| int smblib_init(struct smb_charger *chg) |
| { |
| union power_supply_propval prop_val; |
| int rc = 0; |
| |
| mutex_init(&chg->smb_lock); |
| INIT_WORK(&chg->bms_update_work, bms_update_work); |
| INIT_WORK(&chg->pl_update_work, pl_update_work); |
| INIT_WORK(&chg->jeita_update_work, jeita_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); |
| INIT_DELAYED_WORK(&chg->lpd_ra_open_work, smblib_lpd_ra_open_work); |
| INIT_DELAYED_WORK(&chg->lpd_detach_work, smblib_lpd_detach_work); |
| INIT_DELAYED_WORK(&chg->thermal_regulation_work, |
| smblib_thermal_regulation_work); |
| INIT_DELAYED_WORK(&chg->usbov_dbc_work, smblib_usbov_dbc_work); |
| |
| if (chg->wa_flags & CHG_TERMINATION_WA) { |
| INIT_WORK(&chg->chg_termination_work, |
| smblib_chg_termination_work); |
| |
| if (alarmtimer_get_rtcdev()) { |
| alarm_init(&chg->chg_termination_alarm, ALARM_BOOTTIME, |
| chg_termination_alarm_cb); |
| } else { |
| smblib_err(chg, "Couldn't get rtc device\n"); |
| return -ENODEV; |
| } |
| } |
| |
| if (chg->uusb_moisture_protection_enabled) { |
| INIT_WORK(&chg->moisture_protection_work, |
| smblib_moisture_protection_work); |
| |
| if (alarmtimer_get_rtcdev()) { |
| alarm_init(&chg->moisture_protection_alarm, |
| ALARM_BOOTTIME, moisture_protection_alarm_cb); |
| } else { |
| smblib_err(chg, "Failed to initialize moisture protection alarm\n"); |
| return -ENODEV; |
| } |
| } |
| |
| chg->fake_capacity = -EINVAL; |
| chg->fake_input_current_limited = -EINVAL; |
| chg->fake_batt_status = -EINVAL; |
| chg->sink_src_mode = UNATTACHED_MODE; |
| chg->jeita_configured = false; |
| chg->sec_chg_selected = POWER_SUPPLY_CHARGER_SEC_NONE; |
| chg->cp_reason = POWER_SUPPLY_CP_NONE; |
| chg->thermal_status = TEMP_BELOW_RANGE; |
| |
| switch (chg->mode) { |
| case PARALLEL_MASTER: |
| rc = qcom_batt_init(chg->smb_version); |
| 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, false); |
| 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"); |
| |
| if (chg->sec_pl_present) { |
| chg->pl.psy = power_supply_get_by_name("parallel"); |
| if (chg->pl.psy) { |
| if (chg->sec_chg_selected |
| != POWER_SUPPLY_CHARGER_SEC_CP) { |
| rc = smblib_select_sec_charger(chg, |
| POWER_SUPPLY_CHARGER_SEC_PL, |
| POWER_SUPPLY_CP_NONE, false); |
| if (rc < 0) |
| smblib_err(chg, "Couldn't config pl charger rc=%d\n", |
| rc); |
| } |
| |
| if (chg->smb_temp_max == -EINVAL) { |
| rc = smblib_get_thermal_threshold(chg, |
| SMB_REG_H_THRESHOLD_MSB_REG, |
| &chg->smb_temp_max); |
| if (rc < 0) { |
| dev_err(chg->dev, "Couldn't get charger_temp_max rc=%d\n", |
| rc); |
| return rc; |
| } |
| } |
| |
| prop_val.intval = chg->smb_temp_max; |
| rc = power_supply_set_property(chg->pl.psy, |
| POWER_SUPPLY_PROP_CHARGER_TEMP_MAX, |
| &prop_val); |
| if (rc < 0) { |
| dev_err(chg->dev, "Couldn't set POWER_SUPPLY_PROP_CHARGER_TEMP_MAX 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: |
| if (chg->uusb_moisture_protection_enabled) { |
| alarm_cancel(&chg->moisture_protection_alarm); |
| cancel_work_sync(&chg->moisture_protection_work); |
| } |
| if (chg->wa_flags & CHG_TERMINATION_WA) { |
| alarm_cancel(&chg->chg_termination_alarm); |
| cancel_work_sync(&chg->chg_termination_work); |
| } |
| cancel_work_sync(&chg->bms_update_work); |
| cancel_work_sync(&chg->jeita_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); |
| cancel_delayed_work_sync(&chg->lpd_ra_open_work); |
| cancel_delayed_work_sync(&chg->lpd_detach_work); |
| cancel_delayed_work_sync(&chg->thermal_regulation_work); |
| cancel_delayed_work_sync(&chg->usbov_dbc_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; |
| } |
| |
| smblib_iio_deinit(chg); |
| |
| return 0; |
| } |