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gerrit-public.fairphone.software / kernel / msm-4.9 / 240bd29f38f0d12f4b48b3eb36d9335b9d821a03 / . / drivers / power / supply / qcom / smb5-lib.c
blob: a5c32544cecf23f17fbafb701e9baf83d2c867ab [file] [log] [blame]
/* Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/device.h>
#include <linux/regmap.h>
#include <linux/delay.h>
#include <linux/power_supply.h>
#include <linux/regulator/driver.h>
#include <linux/qpnp/qpnp-revid.h>
#include <linux/irq.h>
#include <linux/pmic-voter.h>
#include <linux/of_batterydata.h>
#include <linux/alarmtimer.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)
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_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, bool override)
{
int rc;
rc = smblib_masked_write(chg, USBIN_LOAD_CFG_REG,
ICL_OVERRIDE_AFTER_APSD_BIT,
override ? ICL_OVERRIDE_AFTER_APSD_BIT : 0);
if (rc < 0)
smblib_err(chg, "Couldn't override ICL rc=%d\n", rc);
return rc;
}
int smblib_stat_sw_override_cfg(struct smb_charger *chg, bool override)
{
int rc = 0;
/* override = 1, SW STAT override; override = 0, HW auto mode */
rc = smblib_masked_write(chg, MISC_SMB_EN_CMD_REG,
SMB_EN_OVERRIDE_BIT,
override ? SMB_EN_OVERRIDE_BIT : 0);
if (rc < 0) {
dev_err(chg->dev, "Couldn't configure SW STAT override rc=%d\n",
rc);
return rc;
}
return rc;
}
static void smblib_notify_extcon_props(struct smb_charger *chg, int id)
{
union extcon_property_value val;
union power_supply_propval prop_val;
if (chg->connector_type == POWER_SUPPLY_CONNECTOR_TYPEC) {
smblib_get_prop_typec_cc_orientation(chg, &prop_val);
val.intval = ((prop_val.intval == 2) ? 1 : 0);
extcon_set_property(chg->extcon, id,
EXTCON_PROP_USB_TYPEC_POLARITY, val);
}
val.intval = true;
extcon_set_property(chg->extcon, id,
EXTCON_PROP_USB_SS, val);
}
static void smblib_notify_device_mode(struct smb_charger *chg, bool enable)
{
if (enable)
smblib_notify_extcon_props(chg, EXTCON_USB);
extcon_set_state_sync(chg->extcon, EXTCON_USB, enable);
}
static void smblib_notify_usb_host(struct smb_charger *chg, bool enable)
{
if (enable)
smblib_notify_extcon_props(chg, EXTCON_USB_HOST);
extcon_set_state_sync(chg->extcon, EXTCON_USB_HOST, enable);
}
/********************
* REGISTER GETTERS *
********************/
int smblib_get_charge_param(struct smb_charger *chg,
struct smb_chg_param *param, int *val_u)
{
int rc = 0;
u8 val_raw;
rc = smblib_read(chg, param->reg, &val_raw);
if (rc < 0) {
smblib_err(chg, "%s: Couldn't read from 0x%04x rc=%d\n",
param->name, param->reg, rc);
return rc;
}
if (param->get_proc)
*val_u = param->get_proc(param, val_raw);
else
*val_u = val_raw * param->step_u + param->min_u;
smblib_dbg(chg, PR_REGISTER, "%s = %d (0x%02x)\n",
param->name, *val_u, val_raw);
return rc;
}
int smblib_get_usb_suspend(struct smb_charger *chg, int *suspend)
{
int rc = 0;
u8 temp;
rc = smblib_read(chg, USBIN_CMD_IL_REG, &temp);
if (rc < 0) {
smblib_err(chg, "Couldn't read USBIN_CMD_IL rc=%d\n", rc);
return rc;
}
*suspend = temp & USBIN_SUSPEND_BIT;
return rc;
}
struct apsd_result {
const char * const name;
const u8 bit;
const enum power_supply_type pst;
};
enum {
UNKNOWN,
SDP,
CDP,
DCP,
OCP,
FLOAT,
HVDCP2,
HVDCP3,
MAX_TYPES
};
static const struct apsd_result smblib_apsd_results[] = {
[UNKNOWN] = {
.name = "UNKNOWN",
.bit = 0,
.pst = POWER_SUPPLY_TYPE_UNKNOWN
},
[SDP] = {
.name = "SDP",
.bit = SDP_CHARGER_BIT,
.pst = POWER_SUPPLY_TYPE_USB
},
[CDP] = {
.name = "CDP",
.bit = CDP_CHARGER_BIT,
.pst = POWER_SUPPLY_TYPE_USB_CDP
},
[DCP] = {
.name = "DCP",
.bit = DCP_CHARGER_BIT,
.pst = POWER_SUPPLY_TYPE_USB_DCP
},
[OCP] = {
.name = "OCP",
.bit = OCP_CHARGER_BIT,
.pst = POWER_SUPPLY_TYPE_USB_DCP
},
[FLOAT] = {
.name = "FLOAT",
.bit = FLOAT_CHARGER_BIT,
.pst = POWER_SUPPLY_TYPE_USB_FLOAT
},
[HVDCP2] = {
.name = "HVDCP2",
.bit = DCP_CHARGER_BIT | QC_2P0_BIT,
.pst = POWER_SUPPLY_TYPE_USB_HVDCP
},
[HVDCP3] = {
.name = "HVDCP3",
.bit = DCP_CHARGER_BIT | QC_3P0_BIT,
.pst = POWER_SUPPLY_TYPE_USB_HVDCP_3,
},
};
static const struct apsd_result *smblib_get_apsd_result(struct smb_charger *chg)
{
int rc, i;
u8 apsd_stat, stat;
const struct apsd_result *result = &smblib_apsd_results[UNKNOWN];
rc = smblib_read(chg, APSD_STATUS_REG, &apsd_stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read APSD_STATUS rc=%d\n", rc);
return result;
}
smblib_dbg(chg, PR_REGISTER, "APSD_STATUS = 0x%02x\n", apsd_stat);
if (!(apsd_stat & APSD_DTC_STATUS_DONE_BIT))
return result;
rc = smblib_read(chg, APSD_RESULT_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read APSD_RESULT_STATUS rc=%d\n",
rc);
return result;
}
stat &= APSD_RESULT_STATUS_MASK;
for (i = 0; i < ARRAY_SIZE(smblib_apsd_results); i++) {
if (smblib_apsd_results[i].bit == stat)
result = &smblib_apsd_results[i];
}
if (apsd_stat & QC_CHARGER_BIT) {
/* since its a qc_charger, either return HVDCP3 or HVDCP2 */
if (result != &smblib_apsd_results[HVDCP3])
result = &smblib_apsd_results[HVDCP2];
}
return result;
}
#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_allowed_voltage(struct smb_charger *chg,
int min_allowed_uv, int max_allowed_uv)
{
int rc;
u8 allowed_voltage;
if (min_allowed_uv == MICRO_5V && max_allowed_uv == MICRO_5V) {
allowed_voltage = USBIN_ADAPTER_ALLOW_5V;
smblib_set_opt_switcher_freq(chg, chg->chg_freq.freq_5V);
} else if (min_allowed_uv == MICRO_9V && max_allowed_uv == MICRO_9V) {
allowed_voltage = USBIN_ADAPTER_ALLOW_9V;
smblib_set_opt_switcher_freq(chg, chg->chg_freq.freq_9V);
} else if (min_allowed_uv == MICRO_12V && max_allowed_uv == MICRO_12V) {
allowed_voltage = USBIN_ADAPTER_ALLOW_12V;
smblib_set_opt_switcher_freq(chg, chg->chg_freq.freq_12V);
} else if (min_allowed_uv < MICRO_9V && max_allowed_uv <= MICRO_9V) {
allowed_voltage = USBIN_ADAPTER_ALLOW_5V_TO_9V;
} else if (min_allowed_uv < MICRO_9V && max_allowed_uv <= MICRO_12V) {
allowed_voltage = USBIN_ADAPTER_ALLOW_5V_TO_12V;
} else if (min_allowed_uv < MICRO_12V && max_allowed_uv <= MICRO_12V) {
allowed_voltage = USBIN_ADAPTER_ALLOW_9V_TO_12V;
} else {
smblib_err(chg, "invalid allowed voltage [%d, %d]\n",
min_allowed_uv, max_allowed_uv);
return -EINVAL;
}
rc = smblib_set_adapter_allowance(chg, allowed_voltage);
if (rc < 0) {
smblib_err(chg, "Couldn't configure adapter allowance rc=%d\n",
rc);
return rc;
}
return rc;
}
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;
}
int smblib_configure_hvdcp_apsd(struct smb_charger *chg, bool enable)
{
int rc;
u8 mask = HVDCP_EN_BIT | BC1P2_SRC_DETECT_BIT;
if (chg->pd_not_supported)
return 0;
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 rc;
}
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)
schedule_work(&chg->jeita_update_work);
if (!chg->pl.psy && !strcmp(psy->desc->name, "parallel")) {
chg->pl.psy = psy;
schedule_work(&chg->pl_update_work);
}
return NOTIFY_OK;
}
static int smblib_register_notifier(struct smb_charger *chg)
{
int rc;
chg->nb.notifier_call = smblib_notifier_call;
rc = power_supply_reg_notifier(&chg->nb);
if (rc < 0) {
smblib_err(chg, "Couldn't register psy notifier rc = %d\n", rc);
return rc;
}
return 0;
}
int smblib_mapping_soc_from_field_value(struct smb_chg_param *param,
int val_u, u8 *val_raw)
{
if (val_u > param->max_u || val_u < param->min_u)
return -EINVAL;
*val_raw = val_u << 1;
return 0;
}
int smblib_mapping_cc_delta_to_field_value(struct smb_chg_param *param,
u8 val_raw)
{
int val_u = val_raw * param->step_u + param->min_u;
if (val_u > param->max_u)
val_u -= param->max_u * 2;
return val_u;
}
int smblib_mapping_cc_delta_from_field_value(struct smb_chg_param *param,
int val_u, u8 *val_raw)
{
if (val_u > param->max_u || val_u < param->min_u - param->max_u)
return -EINVAL;
val_u += param->max_u * 2 - param->min_u;
val_u %= param->max_u * 2;
*val_raw = val_u / param->step_u;
return 0;
}
static void smblib_uusb_removal(struct smb_charger *chg)
{
int rc;
struct smb_irq_data *data;
struct storm_watch *wdata;
cancel_delayed_work_sync(&chg->pl_enable_work);
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, CHG_TERMINATION_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);
}
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:
smblib_err(chg, "ICL %duA isn't supported for SDP\n", icl_ua);
return -EINVAL;
}
if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB &&
apsd_result->pst == POWER_SUPPLY_TYPE_USB_FLOAT) {
/*
* change the float charger configuration to SDP, if this
* is the case of SDP being detected as FLOAT
*/
rc = smblib_masked_write(chg, USBIN_OPTIONS_2_CFG_REG,
FORCE_FLOAT_SDP_CFG_BIT, FORCE_FLOAT_SDP_CFG_BIT);
if (rc < 0) {
smblib_err(chg, "Couldn't set float ICL options rc=%d\n",
rc);
return rc;
}
}
rc = smblib_masked_write(chg, USBIN_ICL_OPTIONS_REG,
CFG_USB3P0_SEL_BIT | USB51_MODE_BIT, icl_options);
if (rc < 0) {
smblib_err(chg, "Couldn't set ICL options rc=%d\n", rc);
return rc;
}
return rc;
}
static int get_sdp_current(struct smb_charger *chg, int *icl_ua)
{
int rc;
u8 icl_options;
bool usb3 = false;
rc = smblib_read(chg, USBIN_ICL_OPTIONS_REG, &icl_options);
if (rc < 0) {
smblib_err(chg, "Couldn't get ICL options rc=%d\n", rc);
return rc;
}
usb3 = (icl_options & CFG_USB3P0_SEL_BIT);
if (icl_options & USB51_MODE_BIT)
*icl_ua = usb3 ? USBIN_900MA : USBIN_500MA;
else
*icl_ua = usb3 ? USBIN_150MA : USBIN_100MA;
return rc;
}
int smblib_set_icl_current(struct smb_charger *chg, int icl_ua)
{
int rc = 0;
bool hc_mode = false, override = false;
/* suspend and return if 25mA or less is requested */
if (icl_ua <= USBIN_25MA)
return smblib_set_usb_suspend(chg, true);
if (icl_ua == INT_MAX)
goto set_mode;
/* configure current */
if (chg->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 {
set_sdp_current(chg, 100000);
rc = smblib_set_charge_param(chg, &chg->param.usb_icl, icl_ua);
if (rc < 0) {
smblib_err(chg, "Couldn't set HC ICL rc=%d\n", rc);
goto out;
}
hc_mode = true;
/*
* Micro USB mode follows ICL register independent of override
* bit, configure override only for typeC mode.
*/
if (chg->connector_type == POWER_SUPPLY_CONNECTOR_TYPEC)
override = true;
}
set_mode:
rc = smblib_masked_write(chg, USBIN_ICL_OPTIONS_REG,
USBIN_MODE_CHG_BIT, hc_mode ? USBIN_MODE_CHG_BIT : 0);
if (rc < 0) {
smblib_err(chg, "Couldn't set USBIN_ICL_OPTIONS rc=%d\n", rc);
goto out;
}
rc = smblib_icl_override(chg, override);
if (rc < 0) {
smblib_err(chg, "Couldn't set ICL override rc=%d\n", rc);
goto out;
}
/* 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 (chg->real_charger_type != POWER_SUPPLY_TYPE_USB)
rc = smblib_run_aicl(chg, RERUN_AICL);
out:
return rc;
}
int smblib_get_icl_current(struct smb_charger *chg, int *icl_ua)
{
int rc = 0;
u8 load_cfg;
bool override;
if ((chg->typec_mode == POWER_SUPPLY_TYPEC_SOURCE_DEFAULT
|| chg->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_USB)
&& (chg->usb_psy->desc->type == POWER_SUPPLY_TYPE_USB)) {
rc = get_sdp_current(chg, icl_ua);
if (rc < 0) {
smblib_err(chg, "Couldn't get SDP ICL rc=%d\n", rc);
return rc;
}
} else {
rc = smblib_read(chg, USBIN_LOAD_CFG_REG, &load_cfg);
if (rc < 0) {
smblib_err(chg, "Couldn't get load cfg rc=%d\n", rc);
return rc;
}
override = load_cfg & ICL_OVERRIDE_AFTER_APSD_BIT;
if (!override)
return INT_MAX;
/* override is set */
rc = smblib_get_charge_param(chg, &chg->param.icl_max_stat,
icl_ua);
if (rc < 0) {
smblib_err(chg, "Couldn't get HC ICL rc=%d\n", rc);
return rc;
}
}
return 0;
}
/********************
* 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,
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, 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_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;
}
//<2020/04/28-JessicaTseng, Setting jeita fv re-charge voltage for warm temp
static int smblib_jeita_rechg_voltage_vote_callback(struct votable *votable, void *data,
int voltage, const char *client)
{
struct smb_charger *chg = data;
int rc = 0;
u32 temp = VBAT_TO_VRAW_ADC((voltage/1000));
temp = ((temp & 0xFF00) >> 8) | ((temp & 0xFF) << 8);
rc = smblib_batch_write(chg,
CHGR_ADC_RECHARGE_THRESHOLD_MSB_REG, (u8 *)&temp, 2);
if (rc < 0) {
dev_err(chg->dev, "Couldn't configure ADC_RECHARGE_THRESHOLD REG rc=%d\n",
rc);
return rc;
}
/* Program the sample count for VBAT based recharge to 3 */
rc = smblib_masked_write(chg, CHGR_NO_SAMPLE_TERM_RCHG_CFG_REG,
NO_OF_SAMPLE_FOR_RCHG,
2 << NO_OF_SAMPLE_FOR_RCHG_SHIFT);
if (rc < 0) {
dev_err(chg->dev, "Couldn't configure CHGR_NO_SAMPLE_FOR_TERM_RCHG_CFG rc=%d\n",
rc);
return rc;
}
dev_err(chg->dev, "jeita_rechg_voltage =%d\n", voltage);
return rc;
}
//>2020/04/28-JessicaTseng
/*******************
* 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;
}
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 charge termination WA is active and has suspended charging, then
* continue reporting charging status as FULL.
*/
if (is_client_vote_enabled_locked(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_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;
}
/***********************
* 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_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;
}
int smblib_dp_dm(struct smb_charger *chg, int val)
{
int target_icl_ua, rc = 0;
union power_supply_propval pval;
switch (val) {
case POWER_SUPPLY_DP_DM_DP_PULSE:
rc = smblib_dp_pulse(chg);
if (!rc)
chg->pulse_cnt++;
smblib_dbg(chg, PR_PARALLEL, "DP_DM_DP_PULSE rc=%d cnt=%d\n",
rc, chg->pulse_cnt);
break;
case POWER_SUPPLY_DP_DM_DM_PULSE:
rc = smblib_dm_pulse(chg);
if (!rc && chg->pulse_cnt)
chg->pulse_cnt--;
smblib_dbg(chg, PR_PARALLEL, "DP_DM_DM_PULSE rc=%d cnt=%d\n",
rc, chg->pulse_cnt);
break;
case POWER_SUPPLY_DP_DM_ICL_DOWN:
target_icl_ua = get_effective_result(chg->usb_icl_votable);
if (target_icl_ua < 0) {
/* no client vote, get the ICL from charger */
rc = power_supply_get_property(chg->usb_psy,
POWER_SUPPLY_PROP_HW_CURRENT_MAX,
&pval);
if (rc < 0) {
smblib_err(chg, "Couldn't get max curr rc=%d\n",
rc);
return rc;
}
target_icl_ua = pval.intval;
}
/*
* Check if any other voter voted on USB_ICL in case of
* voter other than SW_QC3_VOTER reset and restart reduction
* again.
*/
if (target_icl_ua != get_client_vote(chg->usb_icl_votable,
SW_QC3_VOTER))
chg->usb_icl_delta_ua = 0;
chg->usb_icl_delta_ua += 100000;
vote(chg->usb_icl_votable, SW_QC3_VOTER, true,
target_icl_ua - 100000);
smblib_dbg(chg, PR_PARALLEL, "ICL DOWN ICL=%d reduction=%d\n",
target_icl_ua, chg->usb_icl_delta_ua);
break;
case POWER_SUPPLY_DP_DM_FORCE_5V:
rc = smblib_force_vbus_voltage(chg, FORCE_5V_BIT);
if (rc < 0)
pr_err("Failed to force 5V\n");
break;
case POWER_SUPPLY_DP_DM_FORCE_9V:
rc = smblib_force_vbus_voltage(chg, FORCE_9V_BIT);
if (rc < 0)
pr_err("Failed to force 9V\n");
break;
case POWER_SUPPLY_DP_DM_FORCE_12V:
rc = smblib_force_vbus_voltage(chg, FORCE_12V_BIT);
if (rc < 0)
pr_err("Failed to force 12V\n");
break;
case POWER_SUPPLY_DP_DM_ICL_UP:
default:
break;
}
return rc;
}
int smblib_disable_hw_jeita(struct smb_charger *chg, bool disable)
{
int rc;
u8 mask;
/*
* Disable h/w base JEITA compensation if s/w JEITA is enabled
*/
mask = JEITA_EN_COLD_SL_FCV_BIT
| JEITA_EN_HOT_SL_FCV_BIT
| JEITA_EN_HOT_SL_CCC_BIT
| JEITA_EN_COLD_SL_CCC_BIT,
rc = smblib_masked_write(chg, JEITA_EN_CFG_REG, mask,
disable ? 0 : mask);
if (rc < 0) {
dev_err(chg->dev, "Couldn't configure s/w jeita rc=%d\n",
rc);
return rc;
}
return 0;
}
int smblib_configure_wdog(struct smb_charger *chg, bool enable)
{
int rc;
u8 val = 0;
if (enable)
val = WDOG_TIMER_EN_ON_PLUGIN_BIT | BARK_WDOG_INT_EN_BIT;
/* enable WD BARK and enable it on plugin */
rc = smblib_masked_write(chg, WD_CFG_REG,
WATCHDOG_TRIGGER_AFP_EN_BIT |
WDOG_TIMER_EN_ON_PLUGIN_BIT |
BARK_WDOG_INT_EN_BIT, val);
if (rc < 0) {
pr_err("Couldn't configue WD config rc=%d\n", rc);
return rc;
}
return 0;
}
/*******************
* DC PSY GETTERS *
*******************/
int smblib_get_prop_dc_present(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc;
u8 stat;
rc = smblib_read(chg, DCIN_BASE + INT_RT_STS_OFFSET, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read DCIN_RT_STS rc=%d\n", rc);
return rc;
}
val->intval = (bool)(stat & DCIN_PLUGIN_RT_STS_BIT);
return 0;
}
int smblib_get_prop_dc_online(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc = 0;
u8 stat;
if (get_client_vote(chg->dc_suspend_votable, USER_VOTER)) {
val->intval = false;
return rc;
}
rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n",
rc);
return rc;
}
smblib_dbg(chg, PR_REGISTER, "POWER_PATH_STATUS = 0x%02x\n",
stat);
val->intval = (stat & USE_DCIN_BIT) &&
(stat & VALID_INPUT_POWER_SOURCE_STS_BIT);
return rc;
}
/*******************
* USB PSY GETTERS *
*******************/
int smblib_get_prop_usb_present(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc;
u8 stat;
rc = smblib_read(chg, USBIN_BASE + INT_RT_STS_OFFSET, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read USBIN_RT_STS rc=%d\n", rc);
return rc;
}
val->intval = (bool)(stat & USBIN_PLUGIN_RT_STS_BIT);
return 0;
}
int smblib_get_prop_usb_online(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc = 0;
u8 stat;
if (get_client_vote_locked(chg->usb_icl_votable, USER_VOTER) == 0) {
val->intval = false;
return rc;
}
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_prop_usb_voltage_max(struct smb_charger *chg,
union power_supply_propval *val)
{
switch (chg->real_charger_type) {
case POWER_SUPPLY_TYPE_USB_HVDCP:
case POWER_SUPPLY_TYPE_USB_HVDCP_3:
if (chg->smb_version == PMI632_SUBTYPE)
val->intval = MICRO_9V;
else
val->intval = MICRO_12V;
break;
case POWER_SUPPLY_TYPE_USB_PD:
val->intval = chg->voltage_max_uv;
break;
default:
val->intval = MICRO_5V;
break;
}
return 0;
}
int smblib_get_prop_usb_voltage_max_design(struct smb_charger *chg,
union power_supply_propval *val)
{
switch (chg->real_charger_type) {
case POWER_SUPPLY_TYPE_USB_HVDCP:
case POWER_SUPPLY_TYPE_USB_HVDCP_3:
case POWER_SUPPLY_TYPE_USB_PD:
if (chg->smb_version == PMI632_SUBTYPE)
val->intval = MICRO_9V;
else
val->intval = MICRO_12V;
break;
default:
val->intval = MICRO_5V;
break;
}
return 0;
}
int smblib_get_prop_typec_cc_orientation(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc = 0;
u8 stat;
rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc);
return rc;
}
smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_4 = 0x%02x\n", stat);
if (stat & CC_ATTACHED_BIT)
val->intval = (bool)(stat & CC_ORIENTATION_BIT) + 1;
else
val->intval = 0;
return rc;
}
static const char * const smblib_typec_mode_name[] = {
[POWER_SUPPLY_TYPEC_NONE] = "NONE",
[POWER_SUPPLY_TYPEC_SOURCE_DEFAULT] = "SOURCE_DEFAULT",
[POWER_SUPPLY_TYPEC_SOURCE_MEDIUM] = "SOURCE_MEDIUM",
[POWER_SUPPLY_TYPEC_SOURCE_HIGH] = "SOURCE_HIGH",
[POWER_SUPPLY_TYPEC_NON_COMPLIANT] = "NON_COMPLIANT",
[POWER_SUPPLY_TYPEC_SINK] = "SINK",
[POWER_SUPPLY_TYPEC_SINK_POWERED_CABLE] = "SINK_POWERED_CABLE",
[POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY] = "SINK_DEBUG_ACCESSORY",
[POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER] = "SINK_AUDIO_ADAPTER",
[POWER_SUPPLY_TYPEC_POWERED_CABLE_ONLY] = "POWERED_CABLE_ONLY",
};
static int smblib_get_prop_ufp_mode(struct smb_charger *chg)
{
int rc;
u8 stat;
rc = smblib_read(chg, TYPE_C_SNK_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_STATUS_1 rc=%d\n", rc);
return POWER_SUPPLY_TYPEC_NONE;
}
smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_1 = 0x%02x\n", stat);
switch (stat & DETECTED_SRC_TYPE_MASK) {
case SNK_RP_STD_BIT:
return POWER_SUPPLY_TYPEC_SOURCE_DEFAULT;
case SNK_RP_1P5_BIT:
return POWER_SUPPLY_TYPEC_SOURCE_MEDIUM;
case SNK_RP_3P0_BIT:
return POWER_SUPPLY_TYPEC_SOURCE_HIGH;
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;
rc = smblib_read(chg, TYPE_C_SRC_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_SRC_STATUS_REG rc=%d\n",
rc);
return POWER_SUPPLY_TYPEC_NONE;
}
smblib_dbg(chg, PR_REGISTER, "TYPE_C_SRC_STATUS_REG = 0x%02x\n", stat);
switch (stat & DETECTED_SNK_TYPE_MASK) {
case AUDIO_ACCESS_RA_RA_BIT:
return POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER;
case SRC_DEBUG_ACCESS_BIT:
return POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY;
case SRC_RD_RA_VCONN_BIT:
return POWER_SUPPLY_TYPEC_SINK_POWERED_CABLE;
case SRC_RD_OPEN_BIT:
return POWER_SUPPLY_TYPEC_SINK;
default:
break;
}
return POWER_SUPPLY_TYPEC_NONE;
}
static int smblib_get_prop_typec_mode(struct smb_charger *chg)
{
int rc;
u8 stat;
rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_MISC_STATUS_REG rc=%d\n",
rc);
return 0;
}
smblib_dbg(chg, PR_REGISTER, "TYPE_C_MISC_STATUS_REG = 0x%02x\n", stat);
if (stat & SNK_SRC_MODE_BIT)
return smblib_get_prop_dfp_mode(chg);
else
return smblib_get_prop_ufp_mode(chg);
}
int smblib_get_prop_typec_power_role(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc = 0;
u8 ctrl;
rc = smblib_read(chg, TYPE_C_MODE_CFG_REG, &ctrl);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_MODE_CFG_REG rc=%d\n",
rc);
return rc;
}
smblib_dbg(chg, PR_REGISTER, "TYPE_C_MODE_CFG_REG = 0x%02x\n",
ctrl);
if (ctrl & TYPEC_DISABLE_CMD_BIT) {
val->intval = POWER_SUPPLY_TYPEC_PR_NONE;
return rc;
}
switch (ctrl & (EN_SRC_ONLY_BIT | EN_SNK_ONLY_BIT)) {
case 0:
val->intval = POWER_SUPPLY_TYPEC_PR_DUAL;
break;
case EN_SRC_ONLY_BIT:
val->intval = POWER_SUPPLY_TYPEC_PR_SOURCE;
break;
case EN_SNK_ONLY_BIT:
val->intval = POWER_SUPPLY_TYPEC_PR_SINK;
break;
default:
val->intval = POWER_SUPPLY_TYPEC_PR_NONE;
smblib_err(chg, "unsupported power role 0x%02lx\n",
ctrl & (EN_SRC_ONLY_BIT | EN_SNK_ONLY_BIT));
return -EINVAL;
}
return rc;
}
int smblib_get_prop_input_current_settled(struct smb_charger *chg,
union power_supply_propval *val)
{
return smblib_get_charge_param(chg, &chg->param.icl_stat, &val->intval);
}
#define HVDCP3_STEP_UV 200000
int smblib_get_prop_input_voltage_settled(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc, pulses;
switch (chg->real_charger_type) {
case POWER_SUPPLY_TYPE_USB_HVDCP_3:
rc = smblib_get_pulse_cnt(chg, &pulses);
if (rc < 0) {
smblib_err(chg,
"Couldn't read QC_PULSE_COUNT rc=%d\n", rc);
return 0;
}
val->intval = MICRO_5V + HVDCP3_STEP_UV * pulses;
break;
case POWER_SUPPLY_TYPE_USB_PD:
val->intval = chg->voltage_min_uv;
break;
default:
val->intval = MICRO_5V;
break;
}
return 0;
}
int smblib_get_prop_pd_in_hard_reset(struct smb_charger *chg,
union power_supply_propval *val)
{
val->intval = chg->pd_hard_reset;
return 0;
}
int smblib_get_pe_start(struct smb_charger *chg,
union power_supply_propval *val)
{
val->intval = chg->ok_to_pd;
return 0;
}
int smblib_get_prop_die_health(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc;
u8 stat;
rc = smblib_read(chg, MISC_TEMP_RANGE_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TEMP_RANGE_STATUS_REG rc=%d\n",
rc);
return rc;
}
/* TEMP_RANGE bits are mutually exclusive */
switch (stat & TEMP_RANGE_MASK) {
case TEMP_BELOW_RANGE_BIT:
val->intval = POWER_SUPPLY_HEALTH_COOL;
break;
case TEMP_WITHIN_RANGE_BIT:
val->intval = POWER_SUPPLY_HEALTH_WARM;
break;
case TEMP_ABOVE_RANGE_BIT:
val->intval = POWER_SUPPLY_HEALTH_HOT;
break;
case ALERT_LEVEL_BIT:
val->intval = POWER_SUPPLY_HEALTH_OVERHEAT;
break;
default:
val->intval = POWER_SUPPLY_HEALTH_UNKNOWN;
}
return 0;
}
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.
*/
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)
{
int rc = 0;
if (!chg->pd_active) {
rc = smblib_handle_usb_current(chg, val->intval);
} else if (chg->system_suspend_supported) {
if (val->intval <= USBIN_25MA)
rc = vote(chg->usb_icl_votable,
PD_SUSPEND_SUPPORTED_VOTER, true, val->intval);
else
rc = vote(chg->usb_icl_votable,
PD_SUSPEND_SUPPORTED_VOTER, false, 0);
}
return rc;
}
int smblib_set_prop_boost_current(struct smb_charger *chg,
const union power_supply_propval *val)
{
int rc = 0;
rc = smblib_set_charge_param(chg, &chg->param.freq_switcher,
val->intval <= chg->boost_threshold_ua ?
chg->chg_freq.freq_below_otg_threshold :
chg->chg_freq.freq_above_otg_threshold);
if (rc < 0) {
dev_err(chg->dev, "Error in setting freq_boost rc=%d\n", rc);
return rc;
}
chg->boost_current_ua = val->intval;
return rc;
}
int smblib_set_prop_typec_power_role(struct smb_charger *chg,
const union power_supply_propval *val)
{
int rc = 0;
u8 power_role;
if (chg->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_USB)
return 0;
switch (val->intval) {
case POWER_SUPPLY_TYPEC_PR_NONE:
power_role = TYPEC_DISABLE_CMD_BIT;
break;
case POWER_SUPPLY_TYPEC_PR_DUAL:
power_role = 0;
break;
case POWER_SUPPLY_TYPEC_PR_SINK:
power_role = EN_SNK_ONLY_BIT;
break;
case POWER_SUPPLY_TYPEC_PR_SOURCE:
power_role = EN_SRC_ONLY_BIT;
break;
default:
smblib_err(chg, "power role %d not supported\n", val->intval);
return -EINVAL;
}
rc = smblib_masked_write(chg, TYPE_C_MODE_CFG_REG,
TYPEC_POWER_ROLE_CMD_MASK, power_role);
if (rc < 0) {
smblib_err(chg, "Couldn't write 0x%02x to TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n",
power_role, rc);
return rc;
}
return rc;
}
int smblib_set_prop_pd_voltage_min(struct smb_charger *chg,
const union power_supply_propval *val)
{
int rc, min_uv;
min_uv = min(val->intval, chg->voltage_max_uv);
rc = smblib_set_usb_pd_allowed_voltage(chg, min_uv,
chg->voltage_max_uv);
if (rc < 0) {
smblib_err(chg, "invalid max voltage %duV rc=%d\n",
val->intval, rc);
return rc;
}
chg->voltage_min_uv = min_uv;
power_supply_changed(chg->usb_main_psy);
return rc;
}
int smblib_set_prop_pd_voltage_max(struct smb_charger *chg,
const union power_supply_propval *val)
{
int rc, max_uv;
max_uv = max(val->intval, chg->voltage_min_uv);
rc = smblib_set_usb_pd_allowed_voltage(chg, chg->voltage_min_uv,
max_uv);
if (rc < 0) {
smblib_err(chg, "invalid min voltage %duV rc=%d\n",
val->intval, rc);
return rc;
}
chg->voltage_max_uv = max_uv;
power_supply_changed(chg->usb_main_psy);
return rc;
}
int smblib_set_prop_pd_active(struct smb_charger *chg,
const union power_supply_propval *val)
{
int rc = 0;
chg->pd_active = val->intval;
if (chg->pd_active) {
vote(chg->usb_irq_enable_votable, PD_VOTER, true, 0);
/*
* Enforce 500mA for PD until the real vote comes in later.
* It is guaranteed that pd_active is set prior to
* pd_current_max
*/
vote(chg->usb_icl_votable, PD_VOTER, true, USBIN_500MA);
vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, false, 0);
} else {
vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true, SDP_100_MA);
vote(chg->usb_icl_votable, PD_VOTER, false, 0);
vote(chg->usb_irq_enable_votable, PD_VOTER, false, 0);
/* PD hard resets failed, rerun apsd */
if (chg->ok_to_pd) {
chg->ok_to_pd = false;
rc = smblib_configure_hvdcp_apsd(chg, true);
if (rc < 0) {
dev_err(chg->dev,
"Couldn't enable APSD rc=%d\n", rc);
return rc;
}
smblib_rerun_apsd_if_required(chg);
}
}
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;
}
static int smblib_recover_from_soft_jeita(struct smb_charger *chg)
{
u8 stat1, stat7;
int rc;
rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat1);
if (rc < 0) {
smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n",
rc);
return rc;
}
rc = smblib_read(chg, BATTERY_CHARGER_STATUS_7_REG, &stat7);
if (rc < 0) {
smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n",
rc);
return rc;
}
if ((chg->jeita_status && !(stat7 & BAT_TEMP_STATUS_SOFT_LIMIT_MASK) &&
((stat1 & BATTERY_CHARGER_STATUS_MASK) == TERMINATE_CHARGE))) {
/*
* We are moving from JEITA soft -> Normal and charging
* is terminated
*/
rc = smblib_write(chg, CHARGING_ENABLE_CMD_REG, 0);
if (rc < 0) {
smblib_err(chg, "Couldn't disable charging rc=%d\n",
rc);
return rc;
}
rc = smblib_write(chg, CHARGING_ENABLE_CMD_REG,
CHARGING_ENABLE_CMD_BIT);
if (rc < 0) {
smblib_err(chg, "Couldn't enable charging rc=%d\n",
rc);
return rc;
}
}
chg->jeita_status = stat7 & BAT_TEMP_STATUS_SOFT_LIMIT_MASK;
return 0;
}
/************************
* USB MAIN PSY GETTERS *
************************/
int smblib_get_prop_fcc_delta(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc, jeita_cc_delta_ua = 0;
if (chg->sw_jeita_enabled) {
val->intval = 0;
return 0;
}
rc = smblib_get_jeita_cc_delta(chg, &jeita_cc_delta_ua);
if (rc < 0) {
smblib_err(chg, "Couldn't get jeita cc delta rc=%d\n", rc);
jeita_cc_delta_ua = 0;
}
val->intval = jeita_cc_delta_ua;
return 0;
}
/************************
* USB MAIN PSY SETTERS *
************************/
int smblib_get_charge_current(struct smb_charger *chg,
int *total_current_ua)
{
const struct apsd_result *apsd_result = smblib_get_apsd_result(chg);
union power_supply_propval val = {0, };
int rc = 0, typec_source_rd, current_ua;
bool non_compliant;
u8 stat;
if (chg->pd_active) {
*total_current_ua =
get_client_vote_locked(chg->usb_icl_votable, PD_VOTER);
return rc;
}
rc = smblib_read(chg, LEGACY_CABLE_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_STATUS_5 rc=%d\n", rc);
return rc;
}
non_compliant = stat & TYPEC_NONCOMP_LEGACY_CABLE_STATUS_BIT;
/* get settled ICL */
rc = smblib_get_prop_input_current_settled(chg, &val);
if (rc < 0) {
smblib_err(chg, "Couldn't get settled ICL rc=%d\n", rc);
return rc;
}
typec_source_rd = smblib_get_prop_ufp_mode(chg);
/* QC 2.0/3.0 adapter */
if (apsd_result->bit & (QC_3P0_BIT | QC_2P0_BIT)) {
*total_current_ua = HVDCP_CURRENT_UA;
return 0;
}
if (non_compliant) {
switch (apsd_result->bit) {
case CDP_CHARGER_BIT:
current_ua = CDP_CURRENT_UA;
break;
case DCP_CHARGER_BIT:
case OCP_CHARGER_BIT:
case FLOAT_CHARGER_BIT:
current_ua = DCP_CURRENT_UA;
break;
default:
current_ua = 0;
break;
}
*total_current_ua = max(current_ua, val.intval);
return 0;
}
switch (typec_source_rd) {
case POWER_SUPPLY_TYPEC_SOURCE_DEFAULT:
switch (apsd_result->bit) {
case CDP_CHARGER_BIT:
current_ua = CDP_CURRENT_UA;
break;
case DCP_CHARGER_BIT:
case OCP_CHARGER_BIT:
case FLOAT_CHARGER_BIT:
current_ua = chg->default_icl_ua;
break;
default:
current_ua = 0;
break;
}
break;
case POWER_SUPPLY_TYPEC_SOURCE_MEDIUM:
current_ua = TYPEC_MEDIUM_CURRENT_UA;
break;
case POWER_SUPPLY_TYPEC_SOURCE_HIGH:
current_ua = TYPEC_HIGH_CURRENT_UA;
break;
case POWER_SUPPLY_TYPEC_NON_COMPLIANT:
case POWER_SUPPLY_TYPEC_NONE:
default:
current_ua = 0;
break;
}
*total_current_ua = max(current_ua, val.intval);
return 0;
}
/**********************
* INTERRUPT HANDLERS *
**********************/
irqreturn_t default_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name);
return IRQ_HANDLED;
}
#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_REAL_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)) {
chg->cc_soc_ref = 0;
chg->last_cc_soc = 0;
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;
chg->last_cc_soc = 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;
rc = smblib_recover_from_soft_jeita(chg);
if (rc < 0) {
smblib_err(chg, "Couldn't recover chg from soft jeita rc=%d\n",
rc);
return IRQ_HANDLED;
}
power_supply_changed(chg->batt_psy);
return IRQ_HANDLED;
}
irqreturn_t batt_psy_changed_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name);
power_supply_changed(chg->batt_psy);
return IRQ_HANDLED;
}
#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;
int rc;
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:
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);
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, MISC_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);
/* 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 {
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);
}
}
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);
}
/* Force 1500mA FCC on removal if fcc stepper is enabled */
if (chg->fcc_stepper_enable)
vote(chg->fcc_votable, FCC_STEPPER_VOTER,
true, 1500000);
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");
}
#define QC3_PULSES_FOR_6V 5
#define QC3_PULSES_FOR_9V 20
#define QC3_PULSES_FOR_12V 35
static void smblib_hvdcp_adaptive_voltage_change(struct smb_charger *chg)
{
int rc;
u8 stat;
int pulses;
power_supply_changed(chg->usb_main_psy);
if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB_HVDCP) {
rc = smblib_read(chg, QC_CHANGE_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg,
"Couldn't read QC_CHANGE_STATUS rc=%d\n", rc);
return;
}
switch (stat & QC_2P0_STATUS_MASK) {
case QC_5V_BIT:
smblib_set_opt_switcher_freq(chg,
chg->chg_freq.freq_5V);
break;
case QC_9V_BIT:
smblib_set_opt_switcher_freq(chg,
chg->chg_freq.freq_9V);
break;
case QC_12V_BIT:
smblib_set_opt_switcher_freq(chg,
chg->chg_freq.freq_12V);
break;
default:
smblib_set_opt_switcher_freq(chg,
chg->chg_freq.freq_removal);
break;
}
}
if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB_HVDCP_3) {
rc = smblib_get_pulse_cnt(chg, &pulses);
if (rc < 0) {
smblib_err(chg,
"Couldn't read QC_PULSE_COUNT rc=%d\n", rc);
return;
}
if (pulses < QC3_PULSES_FOR_6V)
smblib_set_opt_switcher_freq(chg,
chg->chg_freq.freq_5V);
else if (pulses < QC3_PULSES_FOR_9V)
smblib_set_opt_switcher_freq(chg,
chg->chg_freq.freq_6V_8V);
else if (pulses < QC3_PULSES_FOR_12V)
smblib_set_opt_switcher_freq(chg,
chg->chg_freq.freq_9V);
else
smblib_set_opt_switcher_freq(chg,
chg->chg_freq.freq_12V);
}
}
/* triggers when HVDCP 3.0 authentication has finished */
static void smblib_handle_hvdcp_3p0_auth_done(struct smb_charger *chg,
bool rising)
{
const struct apsd_result *apsd_result;
if (!rising)
return;
if (chg->mode == PARALLEL_MASTER)
vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, true, 0);
/* the APSD done handler will set the USB supply type */
apsd_result = smblib_get_apsd_result(chg);
smblib_dbg(chg, PR_INTERRUPT, "IRQ: hvdcp-3p0-auth-done rising; %s detected\n",
apsd_result->name);
}
static void smblib_handle_hvdcp_check_timeout(struct smb_charger *chg,
bool rising, bool qc_charger)
{
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
* For UNKNOWN(input not present) return without updating ICL
*/
if (pst == POWER_SUPPLY_TYPE_USB_HVDCP
|| pst == POWER_SUPPLY_TYPE_USB_HVDCP_3
|| pst == POWER_SUPPLY_TYPE_UNKNOWN)
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;
default:
smblib_err(chg, "Unknown APSD %d; forcing 500mA\n", pst);
vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true,
SDP_CURRENT_UA);
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->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_USB)
|| 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;
/*
* Prepared to run PD or PD is active. At this moment, APSD is disabled,
* but there still can be irq on apsd_done from previously unfinished
* APSD run, skip it.
*/
if (chg->ok_to_pd)
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_REGISTER, "APSD_STATUS = 0x%02x\n", stat);
if ((chg->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_USB)
&& (stat & APSD_DTC_STATUS_DONE_BIT)
&& !chg->uusb_apsd_rerun_done) {
/*
* Force re-run APSD to handle slow insertion related
* charger-mis-detection.
*/
chg->uusb_apsd_rerun_done = true;
smblib_rerun_apsd_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_REGISTER, "APSD_STATUS = 0x%02x\n", stat);
return IRQ_HANDLED;
}
static void typec_sink_insertion(struct smb_charger *chg)
{
vote(chg->usb_icl_votable, OTG_VOTER, true, 0);
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;
if (!chg->ok_to_pd) {
rc = smblib_configure_hvdcp_apsd(chg, true);
if (rc < 0) {
dev_err(chg->dev,
"Couldn't enable APSD rc=%d\n", rc);
return;
}
smblib_rerun_apsd_if_required(chg);
}
}
static void typec_sink_removal(struct smb_charger *chg)
{
vote(chg->usb_icl_votable, OTG_VOTER, false, 0);
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;
/* disable apsd */
rc = smblib_configure_hvdcp_apsd(chg, false);
if (rc < 0)
smblib_err(chg, "Couldn't disable APSD rc=%d\n", rc);
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, PL_USBIN_USBIN_VOTER, false, 0);
vote(chg->usb_icl_votable, SW_QC3_VOTER, false, 0);
vote(chg->usb_icl_votable, OTG_VOTER, false, 0);
vote(chg->usb_icl_votable, CTM_VOTER, false, 0);
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);
/* 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 (chg->use_extcon)
smblib_notify_device_mode(chg, false);
chg->typec_legacy = false;
}
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);
}
irqreturn_t typec_or_rid_detection_change_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
if (chg->connector_type == POWER_SUPPLY_CONNECTOR_MICRO_USB) {
if (chg->moisture_protection_enabled &&
(chg->wa_flags & MOISTURE_PROTECTION_WA)) {
/*
* 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));
}
return IRQ_HANDLED;
}
return IRQ_HANDLED;
}
irqreturn_t typec_state_change_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
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;
}
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) {
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) {
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;
default:
break;
}
if (!chg->pr_swap_in_progress) {
chg->ok_to_pd = false;
chg->sink_src_mode = UNATTACHED_MODE;
chg->early_usb_attach = false;
}
}
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;
power_supply_changed(chg->dc_psy);
return IRQ_HANDLED;
}
irqreturn_t high_duty_cycle_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
chg->is_hdc = true;
/*
* Disable usb IRQs after the flag set and re-enable IRQs after
* the flag cleared in the delayed work queue, to avoid any IRQ
* storming during the delays
*/
if (chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq)
disable_irq_nosync(chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq);
schedule_delayed_work(&chg->clear_hdc_work, msecs_to_jiffies(60));
return IRQ_HANDLED;
}
static void smblib_bb_removal_work(struct work_struct *work)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
bb_removal_work.work);
vote(chg->usb_icl_votable, BOOST_BACK_VOTER, false, 0);
vote(chg->awake_votable, BOOST_BACK_VOTER, false, 0);
}
#define BOOST_BACK_UNVOTE_DELAY_MS 750
#define BOOST_BACK_STORM_COUNT 3
#define WEAK_CHG_STORM_COUNT 8
irqreturn_t switcher_power_ok_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
struct storm_watch *wdata = &irq_data->storm_data;
int rc, usb_icl;
u8 stat;
if (!(chg->wa_flags & BOOST_BACK_WA))
return IRQ_HANDLED;
rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n", rc);
return IRQ_HANDLED;
}
/* skip suspending input if its already suspended by some other voter */
usb_icl = get_effective_result(chg->usb_icl_votable);
if ((stat & USE_USBIN_BIT) && usb_icl >= 0 && usb_icl <= USBIN_25MA)
return IRQ_HANDLED;
if (stat & USE_DCIN_BIT)
return IRQ_HANDLED;
if (is_storming(&irq_data->storm_data)) {
/* This could be a weak charger reduce ICL */
if (!is_client_vote_enabled(chg->usb_icl_votable,
WEAK_CHARGER_VOTER)) {
smblib_err(chg,
"Weak charger detected: voting %dmA ICL\n",
*chg->weak_chg_icl_ua / 1000);
vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER,
true, *chg->weak_chg_icl_ua);
/*
* reset storm data and set the storm threshold
* to 3 for reverse boost detection.
*/
update_storm_count(wdata, BOOST_BACK_STORM_COUNT);
} else {
smblib_err(chg,
"Reverse boost detected: voting 0mA to suspend input\n");
vote(chg->usb_icl_votable, BOOST_BACK_VOTER, true, 0);
vote(chg->awake_votable, BOOST_BACK_VOTER, true, 0);
/*
* Remove the boost-back vote after a delay, to avoid
* permanently suspending the input if the boost-back
* condition is unintentionally hit.
*/
schedule_delayed_work(&chg->bb_removal_work,
msecs_to_jiffies(BOOST_BACK_UNVOTE_DELAY_MS));
}
}
return IRQ_HANDLED;
}
irqreturn_t wdog_bark_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
int rc;
smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name);
rc = smblib_write(chg, BARK_BITE_WDOG_PET_REG, BARK_BITE_WDOG_PET_BIT);
if (rc < 0)
smblib_err(chg, "Couldn't pet the dog rc=%d\n", rc);
if (chg->step_chg_enabled || chg->sw_jeita_enabled)
power_supply_changed(chg->batt_psy);
return IRQ_HANDLED;
}
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);
}
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;
if (!(chg->wa_flags & USBIN_OV_WA))
goto out;
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;
}
smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s stat=%x\n", irq_data->name,
!!stat);
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(1000));
} else {
cancel_delayed_work_sync(&chg->usbov_dbc_work);
chg->dbc_usbov = false;
vote(chg->awake_votable, USBOV_DBC_VOTER, true, 0);
}
out:
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)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
pl_update_work);
smblib_stat_sw_override_cfg(chg, false);
}
static void clear_hdc_work(struct work_struct *work)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
clear_hdc_work.work);
chg->is_hdc = 0;
if (chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq)
enable_irq(chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq);
}
static void smblib_icl_change_work(struct work_struct *work)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
icl_change_work.work);
int rc, settled_ua;
rc = smblib_get_charge_param(chg, &chg->param.icl_stat, &settled_ua);
if (rc < 0) {
smblib_err(chg, "Couldn't get ICL status rc=%d\n", rc);
return;
}
power_supply_changed(chg->usb_main_psy);
smblib_dbg(chg, PR_INTERRUPT, "icl_settled=%d\n", settled_ua);
}
static void smblib_pl_enable_work(struct work_struct *work)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
pl_enable_work.work);
smblib_dbg(chg, PR_PARALLEL, "timer expired, enabling parallel\n");
vote(chg->pl_disable_votable, PL_DELAY_VOTER, false, 0);
vote(chg->awake_votable, PL_DELAY_VOTER, false, 0);
}
#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, 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);
pm_relax(chg->dev);
}
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)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
chg_termination_work);
union power_supply_propval pval;
int rc, 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_get_prop_usb_present(chg, &pval);
if (rc < 0 || !pval.intval)
goto out;
rc = smblib_get_prop_from_bms(chg,
POWER_SUPPLY_PROP_REAL_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;
}
/*
* In BSM a sudden jump in CC_SOC is not expected. If seen, its a
* good_ocv or updated capacity, reject it.
*/
if (chg->last_cc_soc && pval.intval > (chg->last_cc_soc + 100)) {
/* CC_SOC has increased by 1% from last time */
chg->cc_soc_ref = pval.intval;
smblib_dbg(chg, PR_MISC, "cc_soc jumped(%d->%d), reset cc_soc_ref\n",
chg->last_cc_soc, pval.intval);
}
chg->last_cc_soc = pval.intval;
/*
* 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);
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);
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);
pm_relax(chg->dev);
}
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;
}
#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 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;
u32 jeita_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_thresholds, 2);
if (!rc) {
rc = smblib_update_jeita(chg, jeita_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",
jeita_thresholds, 2);
if (!rc) {
rc = smblib_update_jeita(chg, jeita_thresholds, JEITA_SOFT);
if (rc < 0) {
smblib_err(chg, "Couldn't configure Soft Jeita rc=%d\n",
rc);
goto out;
}
}
out:
chg->jeita_configured = true;
}
static int smblib_create_votables(struct smb_charger *chg)
{
int rc = 0;
chg->fcc_votable = find_votable("FCC");
if (chg->fcc_votable == NULL) {
rc = -EINVAL;
smblib_err(chg, "Couldn't find FCC votable rc=%d\n", rc);
return rc;
}
chg->fv_votable = find_votable("FV");
if (chg->fv_votable == NULL) {
rc = -EINVAL;
smblib_err(chg, "Couldn't find FV votable rc=%d\n", rc);
return rc;
}
chg->usb_icl_votable = find_votable("USB_ICL");
if (chg->usb_icl_votable == NULL) {
rc = -EINVAL;
smblib_err(chg, "Couldn't find USB_ICL votable rc=%d\n", rc);
return rc;
}
chg->pl_disable_votable = find_votable("PL_DISABLE");
if (chg->pl_disable_votable == NULL) {
rc = -EINVAL;
smblib_err(chg, "Couldn't find votable PL_DISABLE rc=%d\n", rc);
return rc;
}
chg->pl_enable_votable_indirect = find_votable("PL_ENABLE_INDIRECT");
if (chg->pl_enable_votable_indirect == NULL) {
rc = -EINVAL;
smblib_err(chg,
"Couldn't find votable PL_ENABLE_INDIRECT rc=%d\n",
rc);
return rc;
}
vote(chg->pl_disable_votable, PL_DELAY_VOTER, true, 0);
chg->dc_suspend_votable = create_votable("DC_SUSPEND", VOTE_SET_ANY,
smblib_dc_suspend_vote_callback,
chg);
if (IS_ERR(chg->dc_suspend_votable)) {
rc = PTR_ERR(chg->dc_suspend_votable);
chg->dc_suspend_votable = NULL;
return rc;
}
chg->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;
}
//<2020/04/28-JessicaTseng, Setting jeita fv re-charge voltage for warm temp
chg->rechg_vol_votable = create_votable("RECHG_VOL", VOTE_MIN,
smblib_jeita_rechg_voltage_vote_callback,
chg);
if (IS_ERR(chg->rechg_vol_votable)) {
rc = PTR_ERR(chg->rechg_vol_votable);
return rc;
}
//>2020/04/28-JessicaTseng
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);
}
int smblib_init(struct smb_charger *chg)
{
int rc = 0;
mutex_init(&chg->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->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->moisture_protection_enabled &&
(chg->wa_flags & MOISTURE_PROTECTION_WA)) {
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->jeita_configured = false;
chg->sink_src_mode = UNATTACHED_MODE;
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);
if (rc < 0) {
smblib_err(chg, "Couldn't init qcom_step_chg_init rc=%d\n",
rc);
return rc;
}
rc = smblib_create_votables(chg);
if (rc < 0) {
smblib_err(chg, "Couldn't create votables rc=%d\n",
rc);
return rc;
}
chg->bms_psy = power_supply_get_by_name("bms");
chg->pl.psy = power_supply_get_by_name("parallel");
if (chg->pl.psy) {
rc = smblib_stat_sw_override_cfg(chg, false);
if (rc < 0) {
smblib_err(chg,
"Couldn't config stat sw rc=%d\n", rc);
return rc;
}
}
rc = smblib_register_notifier(chg);
if (rc < 0) {
smblib_err(chg,
"Couldn't register notifier rc=%d\n", rc);
return rc;
}
break;
case PARALLEL_SLAVE:
break;
default:
smblib_err(chg, "Unsupported mode %d\n", chg->mode);
return -EINVAL;
}
return rc;
}
int smblib_deinit(struct smb_charger *chg)
{
switch (chg->mode) {
case PARALLEL_MASTER:
if (chg->moisture_protection_enabled &&
(chg->wa_flags & MOISTURE_PROTECTION_WA)) {
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->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;
}
return 0;
}