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Rtwo/kernel/motorola/sm8550/drivers/power/supply/qcom/smb5-lib.c
PizzaG 279f0f5973 initial android 16 commit
2025-09-30 19:22:48 -05:00

8527 lines
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
* Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include <linux/device.h>
#include <linux/regmap.h>
#include <linux/delay.h>
#include <linux/power_supply.h>
#include <linux/regulator/driver.h>
#include <linux/irq.h>
#include <linux/iio/consumer.h>
#include <dt-bindings/iio/qti_power_supply_iio.h>
#include <linux/pmic-voter.h>
#include <linux/ktime.h>
#include <linux/usb/typec.h>
#include <linux/alarmtimer.h>
#include "smb5-lib.h"
#include "smb5-reg.h"
#include "schgm-flash.h"
#include "step-chg-jeita.h"
#include "storm-watch.h"
#include "smb5-iio.h"
#include "battery-profile-loader.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 == QTI_POWER_SUPPLY_TYPEC_SOURCE_MEDIUM \
|| typec_mode == QTI_POWER_SUPPLY_TYPEC_SOURCE_HIGH) \
&& (!chg->typec_legacy || chg->typec_legacy_use_rp_icl))
static void update_sw_icl_max(struct smb_charger *chg, int val);
static int smblib_get_prop_typec_mode(struct smb_charger *chg);
int smblib_read(struct smb_charger *chg, u16 addr, u8 *val)
{
unsigned int value;
int rc = 0;
rc = regmap_read(chg->regmap, addr, &value);
if (rc >= 0)
*val = (u8)value;
return rc;
}
int smblib_batch_read(struct smb_charger *chg, u16 addr, u8 *val,
int count)
{
return regmap_bulk_read(chg->regmap, addr, val, count);
}
int smblib_write(struct smb_charger *chg, u16 addr, u8 val)
{
return regmap_write(chg->regmap, addr, val);
}
int smblib_batch_write(struct smb_charger *chg, u16 addr, u8 *val,
int count)
{
return regmap_bulk_write(chg->regmap, addr, val, count);
}
int smblib_masked_write(struct smb_charger *chg, u16 addr, u8 mask, u8 val)
{
return regmap_update_bits(chg->regmap, addr, mask, val);
}
int smblib_get_iio_channel(struct smb_charger *chg, const char *propname,
struct iio_channel **chan)
{
int rc = 0;
rc = of_property_match_string(chg->dev->of_node,
"io-channel-names", propname);
if (rc < 0)
return 0;
*chan = iio_channel_get(chg->dev, propname);
if (IS_ERR(*chan)) {
rc = PTR_ERR(*chan);
if (rc != -EPROBE_DEFER)
smblib_err(chg, "%s channel unavailable, %d\n",
propname, rc);
*chan = NULL;
}
return rc;
}
#define DIV_FACTOR_MICRO_V_I 1
#define DIV_FACTOR_MILI_V_I 1000
#define DIV_FACTOR_DECIDEGC 100
static int smblib_read_iio_channel(struct smb_charger *chg,
struct iio_channel *chan, int div, int *data)
{
int rc = 0;
*data = -ENODATA;
if (chan) {
rc = iio_read_channel_processed(chan, data);
if (rc < 0) {
smblib_err(chg, "Error in reading IIO channel data, rc=%d\n",
rc);
return rc;
}
if (div != 0)
*data /= div;
}
return rc;
}
static int smblib_get_jeita_cc_delta(struct smb_charger *chg, int *cc_delta_ua)
{
int rc, cc_minus_ua;
u8 stat;
rc = smblib_read(chg, BATTERY_CHARGER_STATUS_7_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n",
rc);
return rc;
}
if (stat & BAT_TEMP_STATUS_HOT_SOFT_BIT) {
rc = smblib_get_charge_param(chg, &chg->param.jeita_cc_comp_hot,
&cc_minus_ua);
if (rc < 0) {
smblib_err(chg, "Couldn't get jeita cc minus rc=%d\n",
rc);
return rc;
}
} else if (stat & BAT_TEMP_STATUS_COLD_SOFT_BIT) {
rc = smblib_get_charge_param(chg,
&chg->param.jeita_cc_comp_cold,
&cc_minus_ua);
if (rc < 0) {
smblib_err(chg, "Couldn't get jeita cc minus rc=%d\n",
rc);
return rc;
}
} else {
cc_minus_ua = 0;
}
*cc_delta_ua = -cc_minus_ua;
return 0;
}
int smblib_icl_override(struct smb_charger *chg, enum icl_override_mode mode)
{
int rc;
u8 usb51_mode, icl_override, apsd_override;
switch (mode) {
case SW_OVERRIDE_USB51_MODE:
usb51_mode = 0;
icl_override = ICL_OVERRIDE_BIT;
apsd_override = 0;
break;
case SW_OVERRIDE_HC_MODE:
usb51_mode = USBIN_MODE_CHG_BIT;
icl_override = 0;
apsd_override = ICL_OVERRIDE_AFTER_APSD_BIT;
break;
case HW_AUTO_MODE:
default:
usb51_mode = USBIN_MODE_CHG_BIT;
icl_override = 0;
apsd_override = 0;
break;
}
rc = smblib_masked_write(chg, USBIN_ICL_OPTIONS_REG,
USBIN_MODE_CHG_BIT, usb51_mode);
if (rc < 0) {
smblib_err(chg, "Couldn't set USBIN_ICL_OPTIONS rc=%d\n", rc);
return rc;
}
rc = smblib_masked_write(chg, CMD_ICL_OVERRIDE_REG,
ICL_OVERRIDE_BIT, icl_override);
if (rc < 0) {
smblib_err(chg, "Couldn't override ICL rc=%d\n", rc);
return rc;
}
rc = smblib_masked_write(chg, USBIN_LOAD_CFG_REG,
ICL_OVERRIDE_AFTER_APSD_BIT, apsd_override);
if (rc < 0) {
smblib_err(chg, "Couldn't override ICL_AFTER_APSD rc=%d\n", rc);
return rc;
}
return rc;
}
/*
* This function does smb_en pin access, which is lock protected.
* It should be called with smb_lock held.
*/
static int smblib_select_sec_charger_locked(struct smb_charger *chg,
int sec_chg)
{
int rc = 0;
switch (sec_chg) {
case QTI_POWER_SUPPLY_CHARGER_SEC_CP:
vote(chg->pl_disable_votable, PL_SMB_EN_VOTER, true, 0);
/* select Charge Pump instead of slave charger */
rc = smblib_masked_write(chg, MISC_SMB_CFG_REG,
SMB_EN_SEL_BIT, SMB_EN_SEL_BIT);
if (rc < 0) {
dev_err(chg->dev, "Couldn't select SMB charger rc=%d\n",
rc);
return rc;
}
/* Enable Charge Pump, under HW control */
rc = smblib_masked_write(chg, MISC_SMB_EN_CMD_REG,
EN_CP_CMD_BIT, EN_CP_CMD_BIT);
if (rc < 0) {
dev_err(chg->dev, "Couldn't enable SMB charger rc=%d\n",
rc);
return rc;
}
vote(chg->smb_override_votable, PL_SMB_EN_VOTER, false, 0);
break;
case QTI_POWER_SUPPLY_CHARGER_SEC_PL:
/* select slave charger instead of Charge Pump */
rc = smblib_masked_write(chg, MISC_SMB_CFG_REG,
SMB_EN_SEL_BIT, 0);
if (rc < 0) {
dev_err(chg->dev, "Couldn't select SMB charger rc=%d\n",
rc);
return rc;
}
/* Enable slave charger, under HW control */
rc = smblib_masked_write(chg, MISC_SMB_EN_CMD_REG,
EN_STAT_CMD_BIT, EN_STAT_CMD_BIT);
if (rc < 0) {
dev_err(chg->dev, "Couldn't enable SMB charger rc=%d\n",
rc);
return rc;
}
vote(chg->smb_override_votable, PL_SMB_EN_VOTER, false, 0);
vote(chg->pl_disable_votable, PL_SMB_EN_VOTER, false, 0);
break;
case QTI_POWER_SUPPLY_CHARGER_SEC_NONE:
default:
vote(chg->pl_disable_votable, PL_SMB_EN_VOTER, true, 0);
/* SW override, disabling secondary charger(s) */
vote(chg->smb_override_votable, PL_SMB_EN_VOTER, true, 0);
break;
}
return rc;
}
static int smblib_select_sec_charger(struct smb_charger *chg, int sec_chg,
int reason, bool toggle)
{
int rc;
mutex_lock(&chg->smb_lock);
if (toggle && sec_chg == QTI_POWER_SUPPLY_CHARGER_SEC_CP) {
rc = smblib_select_sec_charger_locked(chg,
QTI_POWER_SUPPLY_CHARGER_SEC_NONE);
if (rc < 0) {
dev_err(chg->dev, "Couldn't disable secondary charger rc=%d\n",
rc);
goto unlock_out;
}
/*
* A minimum of 20us delay is expected before switching on STAT
* pin.
*/
usleep_range(20, 30);
}
rc = smblib_select_sec_charger_locked(chg, sec_chg);
if (rc < 0) {
dev_err(chg->dev, "Couldn't switch secondary charger rc=%d\n",
rc);
goto unlock_out;
}
chg->sec_chg_selected = sec_chg;
chg->cp_reason = reason;
unlock_out:
mutex_unlock(&chg->smb_lock);
return rc;
}
static void smblib_notify_extcon_props(struct smb_charger *chg, int id)
{
union extcon_property_value val;
int prop_val;
if (chg->connector_type == QTI_POWER_SUPPLY_CONNECTOR_TYPEC) {
smblib_get_prop_typec_cc_orientation(chg, &prop_val);
val.intval = ((prop_val == 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);
} else if (chg->connector_type ==
QTI_POWER_SUPPLY_CONNECTOR_MICRO_USB) {
val.intval = false;
extcon_set_property(chg->extcon, id,
EXTCON_PROP_USB_SS, val);
}
}
static void smblib_notify_device_mode(struct smb_charger *chg, bool enable)
{
if (enable)
smblib_notify_extcon_props(chg, EXTCON_USB);
extcon_set_state_sync(chg->extcon, EXTCON_USB, enable);
}
static void smblib_notify_usb_host(struct smb_charger *chg, bool enable)
{
int rc = 0;
if (enable) {
smblib_dbg(chg, PR_OTG, "enabling VBUS in OTG mode\n");
rc = smblib_masked_write(chg, DCDC_CMD_OTG_REG,
OTG_EN_BIT, OTG_EN_BIT);
if (rc < 0) {
smblib_err(chg,
"Couldn't enable VBUS in OTG mode rc=%d\n", rc);
return;
}
smblib_notify_extcon_props(chg, EXTCON_USB_HOST);
} else {
smblib_dbg(chg, PR_OTG, "disabling VBUS in OTG mode\n");
rc = smblib_masked_write(chg, DCDC_CMD_OTG_REG,
OTG_EN_BIT, 0);
if (rc < 0) {
smblib_err(chg,
"Couldn't disable VBUS in OTG mode rc=%d\n",
rc);
return;
}
}
extcon_set_state_sync(chg->extcon, EXTCON_USB_HOST, enable);
}
/********************
* REGISTER GETTERS *
********************/
int smblib_get_charge_param(struct smb_charger *chg,
struct smb_chg_param *param, int *val_u)
{
int rc = 0;
u8 val_raw;
rc = smblib_read(chg, param->reg, &val_raw);
if (rc < 0) {
smblib_err(chg, "%s: Couldn't read from 0x%04x rc=%d\n",
param->name, param->reg, rc);
return rc;
}
if (param->get_proc)
*val_u = param->get_proc(param, val_raw);
else
*val_u = val_raw * param->step_u + param->min_u;
smblib_dbg(chg, PR_REGISTER, "%s = %d (0x%02x)\n",
param->name, *val_u, val_raw);
return rc;
}
static int smblib_get_usb_suspend(struct smb_charger *chg, int *suspend)
{
int rc = 0;
u8 temp;
rc = smblib_read(chg, USBIN_CMD_IL_REG, &temp);
if (rc < 0) {
smblib_err(chg, "Couldn't read USBIN_CMD_IL rc=%d\n", rc);
return rc;
}
*suspend = temp & USBIN_SUSPEND_BIT;
return rc;
}
static const s16 therm_lookup_table[] = {
/* Index -30C~85C, ADC raw code */
0x6C92, 0x6C43, 0x6BF0, 0x6B98, 0x6B3A, 0x6AD8, 0x6A70, 0x6A03,
0x6990, 0x6916, 0x6897, 0x6811, 0x6785, 0x66F2, 0x6658, 0x65B7,
0x650F, 0x6460, 0x63AA, 0x62EC, 0x6226, 0x6159, 0x6084, 0x5FA8,
0x5EC3, 0x5DD8, 0x5CE4, 0x5BE9, 0x5AE7, 0x59DD, 0x58CD, 0x57B5,
0x5696, 0x5571, 0x5446, 0x5314, 0x51DD, 0x50A0, 0x4F5E, 0x4E17,
0x4CCC, 0x4B7D, 0x4A2A, 0x48D4, 0x477C, 0x4621, 0x44C4, 0x4365,
0x4206, 0x40A6, 0x3F45, 0x3DE6, 0x3C86, 0x3B28, 0x39CC, 0x3872,
0x3719, 0x35C4, 0x3471, 0x3322, 0x31D7, 0x308F, 0x2F4C, 0x2E0D,
0x2CD3, 0x2B9E, 0x2A6E, 0x2943, 0x281D, 0x26FE, 0x25E3, 0x24CF,
0x23C0, 0x22B8, 0x21B5, 0x20B8, 0x1FC2, 0x1ED1, 0x1DE6, 0x1D01,
0x1C22, 0x1B49, 0x1A75, 0x19A8, 0x18E0, 0x181D, 0x1761, 0x16A9,
0x15F7, 0x154A, 0x14A2, 0x13FF, 0x1361, 0x12C8, 0x1234, 0x11A4,
0x1119, 0x1091, 0x100F, 0x0F90, 0x0F15, 0x0E9E, 0x0E2B, 0x0DBC,
0x0D50, 0x0CE8, 0x0C83, 0x0C21, 0x0BC3, 0x0B67, 0x0B0F, 0x0AB9,
0x0A66, 0x0A16, 0x09C9, 0x097E,
};
int smblib_get_thermal_threshold(struct smb_charger *chg, u16 addr, int *val)
{
u8 buff[2];
s16 temp;
int rc = 0;
int i, lower, upper;
rc = smblib_batch_read(chg, addr, buff, 2);
if (rc < 0) {
pr_err("failed to write to 0x%04X, rc=%d\n", addr, rc);
return rc;
}
temp = buff[1] | buff[0] << 8;
lower = 0;
upper = ARRAY_SIZE(therm_lookup_table) - 1;
while (lower <= upper) {
i = (upper + lower) / 2;
if (therm_lookup_table[i] < temp)
upper = i - 1;
else if (therm_lookup_table[i] > temp)
lower = i + 1;
else
break;
}
/* index 0 corresonds to -30C */
*val = (i - 30) * 10;
return rc;
}
struct apsd_result {
const char * const name;
const u8 bit;
const int val;
};
enum {
UNKNOWN,
SDP,
CDP,
DCP,
OCP,
FLOAT,
HVDCP2,
HVDCP3,
MAX_TYPES
};
static const struct apsd_result smblib_apsd_results[] = {
[UNKNOWN] = {
.name = "UNKNOWN",
.bit = 0,
.val = POWER_SUPPLY_TYPE_UNKNOWN
},
[SDP] = {
.name = "SDP",
.bit = SDP_CHARGER_BIT,
.val = POWER_SUPPLY_TYPE_USB
},
[CDP] = {
.name = "CDP",
.bit = CDP_CHARGER_BIT,
.val = POWER_SUPPLY_TYPE_USB_CDP
},
[DCP] = {
.name = "DCP",
.bit = DCP_CHARGER_BIT,
.val = POWER_SUPPLY_TYPE_USB_DCP
},
[OCP] = {
.name = "OCP",
.bit = OCP_CHARGER_BIT,
.val = POWER_SUPPLY_TYPE_USB_DCP
},
[FLOAT] = {
.name = "FLOAT",
.bit = FLOAT_CHARGER_BIT,
.val = QTI_POWER_SUPPLY_TYPE_USB_FLOAT
},
[HVDCP2] = {
.name = "HVDCP2",
.bit = DCP_CHARGER_BIT | QC_2P0_BIT,
.val = QTI_POWER_SUPPLY_TYPE_USB_HVDCP
},
[HVDCP3] = {
.name = "HVDCP3",
.bit = DCP_CHARGER_BIT | QC_3P0_BIT,
.val = QTI_POWER_SUPPLY_TYPE_USB_HVDCP_3,
},
};
static const struct apsd_result *smblib_get_apsd_result(struct smb_charger *chg)
{
int rc, i;
u8 apsd_stat, stat;
const struct apsd_result *result = &smblib_apsd_results[UNKNOWN];
rc = smblib_read(chg, APSD_STATUS_REG, &apsd_stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read APSD_STATUS rc=%d\n", rc);
return result;
}
smblib_dbg(chg, PR_REGISTER, "APSD_STATUS = 0x%02x\n", apsd_stat);
if (!(apsd_stat & APSD_DTC_STATUS_DONE_BIT))
return result;
rc = smblib_read(chg, APSD_RESULT_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read APSD_RESULT_STATUS rc=%d\n",
rc);
return result;
}
stat &= APSD_RESULT_STATUS_MASK;
for (i = 0; i < ARRAY_SIZE(smblib_apsd_results); i++) {
if (smblib_apsd_results[i].bit == stat)
result = &smblib_apsd_results[i];
}
if (apsd_stat & QC_CHARGER_BIT) {
/* since its a qc_charger, either return HVDCP3 or HVDCP2 */
if (result != &smblib_apsd_results[HVDCP3])
result = &smblib_apsd_results[HVDCP2];
}
return result;
}
#define INPUT_NOT_PRESENT 0
#define INPUT_PRESENT_USB BIT(1)
#define INPUT_PRESENT_DC BIT(2)
static int smblib_is_input_present(struct smb_charger *chg,
int *present)
{
int rc;
union power_supply_propval pval = {0, };
*present = INPUT_NOT_PRESENT;
rc = smblib_get_prop_usb_present(chg, &pval);
if (rc < 0) {
pr_err("Couldn't get usb presence status rc=%d\n", rc);
return rc;
}
*present |= pval.intval ? INPUT_PRESENT_USB : INPUT_NOT_PRESENT;
rc = smblib_get_prop_dc_present(chg, &pval);
if (rc < 0) {
pr_err("Couldn't get dc presence status rc=%d\n", rc);
return rc;
}
*present |= pval.intval ? INPUT_PRESENT_DC : INPUT_NOT_PRESENT;
return 0;
}
#define AICL_RANGE2_MIN_MV 5600
#define AICL_RANGE2_STEP_DELTA_MV 200
#define AICL_RANGE2_OFFSET 16
int smblib_get_aicl_cont_threshold(struct smb_chg_param *param, u8 val_raw)
{
int base = param->min_u;
u8 reg = val_raw;
int step = param->step_u;
if (val_raw >= AICL_RANGE2_OFFSET) {
reg = val_raw - AICL_RANGE2_OFFSET;
base = AICL_RANGE2_MIN_MV;
step = AICL_RANGE2_STEP_DELTA_MV;
}
return base + (reg * step);
}
/********************
* REGISTER SETTERS *
********************/
static const struct buck_boost_freq chg_freq_list[] = {
[0] = {
.freq_khz = 2400,
.val = 7,
},
[1] = {
.freq_khz = 2100,
.val = 8,
},
[2] = {
.freq_khz = 1600,
.val = 11,
},
[3] = {
.freq_khz = 1200,
.val = 15,
},
};
int smblib_set_chg_freq(struct smb_chg_param *param,
int val_u, u8 *val_raw)
{
u8 i;
if (val_u > param->max_u || val_u < param->min_u)
return -EINVAL;
/* Charger FSW is the configured freqency / 2 */
val_u *= 2;
for (i = 0; i < ARRAY_SIZE(chg_freq_list); i++) {
if (chg_freq_list[i].freq_khz == val_u)
break;
}
if (i == ARRAY_SIZE(chg_freq_list)) {
pr_err("Invalid frequency %d Hz\n", val_u / 2);
return -EINVAL;
}
*val_raw = chg_freq_list[i].val;
return 0;
}
static int smblib_set_opt_switcher_freq(struct smb_charger *chg, int fsw_khz)
{
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);
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;
}
static int smblib_set_usb_suspend(struct smb_charger *chg, bool suspend)
{
int rc = 0;
if (suspend)
vote(chg->icl_irq_disable_votable, USB_SUSPEND_VOTER,
true, 0);
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)
vote(chg->icl_irq_disable_votable, USB_SUSPEND_VOTER,
false, 0);
return rc;
}
static 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_usb_pd_adapter_allowance_override(struct smb_charger *chg,
u8 allowed_voltage)
{
int rc = 0;
if (chg->chg_param.smb_version == PMI632)
return 0;
rc = smblib_write(chg, USBIN_ADAPTER_ALLOW_OVERRIDE_REG,
allowed_voltage);
if (rc < 0)
smblib_err(chg, "Couldn't write 0x%02x to USBIN_ADAPTER_ALLOW_OVERRIDE_REG rc=%d\n",
allowed_voltage, rc);
smblib_dbg(chg, PR_MISC, "set USBIN_ALLOW_OVERRIDE: %d\n",
allowed_voltage);
return rc;
}
#define MICRO_5V 5000000
#define MICRO_9V 9000000
#define MICRO_12V 12000000
static int smblib_set_usb_pd_fsw(struct smb_charger *chg, int voltage)
{
int rc = 0;
if (voltage == MICRO_5V)
rc = smblib_set_opt_switcher_freq(chg, chg->chg_freq.freq_5V);
else if (voltage > MICRO_5V && voltage < MICRO_9V)
rc = smblib_set_opt_switcher_freq(chg,
chg->chg_freq.freq_6V_8V);
else if (voltage >= MICRO_9V && voltage < MICRO_12V)
rc = smblib_set_opt_switcher_freq(chg, chg->chg_freq.freq_9V);
else if (voltage == MICRO_12V)
rc = smblib_set_opt_switcher_freq(chg, chg->chg_freq.freq_12V);
else {
smblib_err(chg, "Couldn't set Fsw: invalid voltage %d\n",
voltage);
return -EINVAL;
}
return rc;
}
#define CONT_AICL_HEADROOM_MV 1000
#define AICL_THRESHOLD_MV_IN_CC 5000
static int smblib_set_usb_pd_allowed_voltage(struct smb_charger *chg,
int min_allowed_uv, int max_allowed_uv)
{
int rc, aicl_threshold;
u8 vbus_allowance;
if (chg->chg_param.smb_version == PMI632)
return 0;
if (chg->pd_active == QTI_POWER_SUPPLY_PD_PPS_ACTIVE) {
vbus_allowance = CONTINUOUS;
} else if (min_allowed_uv == MICRO_5V && max_allowed_uv == MICRO_5V) {
vbus_allowance = FORCE_5V;
} else if (min_allowed_uv == MICRO_9V && max_allowed_uv == MICRO_9V) {
vbus_allowance = FORCE_9V;
} else if (min_allowed_uv == MICRO_12V && max_allowed_uv == MICRO_12V) {
vbus_allowance = FORCE_12V;
} else if (min_allowed_uv < MICRO_12V && max_allowed_uv <= MICRO_12V) {
vbus_allowance = CONTINUOUS;
} else {
smblib_err(chg, "invalid allowed voltage [%d, %d]\n",
min_allowed_uv, max_allowed_uv);
return -EINVAL;
}
rc = smblib_usb_pd_adapter_allowance_override(chg, vbus_allowance);
if (rc < 0) {
smblib_err(chg, "set CONTINUOUS allowance failed, rc=%d\n",
rc);
return rc;
}
if (vbus_allowance != CONTINUOUS)
return 0;
aicl_threshold = min_allowed_uv / 1000 - CONT_AICL_HEADROOM_MV;
if (chg->adapter_cc_mode)
aicl_threshold = min(aicl_threshold, AICL_THRESHOLD_MV_IN_CC);
rc = smblib_set_charge_param(chg, &chg->param.aicl_cont_threshold,
aicl_threshold);
if (rc < 0) {
smblib_err(chg, "set CONT_AICL_THRESHOLD failed, 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 *
********************/
/* CP channels */
static const char * const smblib_cp_ext_iio_chan[] = {
[CP_PARALLEL_OUTPUT_MODE] = "cp_parallel_output_mode",
[CP_MASTER_ENABLE] = "cp_enable",
[CP_ILIM] = "cp_ilim",
[CP_DIE_TEMP] = "cp_die_temp",
};
/* SMB1355 channels */
static const char * const smblib_parallel_ext_iio_chan[] = {
[SMB_CHARGER_TEMP] = "pl_charger_temp",
[SMB_CHARGER_TEMP_MAX] = "pl_charger_temp_max",
[SMB_SET_SHIP_MODE] = "pl_set_ship_mode",
};
/* QG/FG channels */
static const char * const smblib_qg_ext_iio_chan[] = {
[SMB5_QG_DEBUG_BATTERY] = "debug_battery",
[SMB5_QG_CAPACITY] = "capacity",
[SMB5_QG_REAL_CAPACITY] = "real_capacity",
[SMB5_QG_CC_SOC] = "cc_soc",
[SMB5_QG_CURRENT_NOW] = "current_now",
[SMB5_QG_VOLTAGE_NOW] = "voltage_now",
[SMB5_QG_VOLTAGE_MAX] = "voltage_max",
[SMB5_QG_CHARGE_FULL] = "charge_full",
[SMB5_QG_RESISTANCE_ID] = "resistance_id",
[SMB5_QG_TEMP] = "temp",
[SMB5_QG_CHARGE_COUNTER] = "charge_counter",
[SMB5_QG_CYCLE_COUNT] = "cycle_count",
[SMB5_QG_CHARGE_FULL_DESIGN] = "charge_full_design",
[SMB5_QG_TIME_TO_FULL_NOW] = "time_to_full_now",
};
static int smblib_read_iio_prop(struct smb_charger *chg,
enum iio_type type, int iio_chan, int *val)
{
struct iio_channel *iio_chan_list;
int rc;
switch (type) {
case QG:
if (IS_ERR_OR_NULL(chg->iio_chan_list_qg))
return -ENODEV;
iio_chan_list = chg->iio_chan_list_qg[iio_chan];
break;
case CP:
if (IS_ERR_OR_NULL(chg->iio_chan_list_cp))
return -ENODEV;
iio_chan_list = chg->iio_chan_list_cp[iio_chan];
break;
case SMB_PARALLEL:
if (IS_ERR_OR_NULL(chg->iio_chan_list_smb_parallel))
return -ENODEV;
iio_chan_list = chg->iio_chan_list_smb_parallel[iio_chan];
break;
default:
pr_err_ratelimited("iio_type %d is not supported\n", type);
return -EINVAL;
}
rc = iio_read_channel_processed(iio_chan_list, val);
return rc < 0 ? rc : 0;
}
static int smblib_write_iio_prop(struct smb_charger *chg,
enum iio_type type, int iio_chan, int val)
{
struct iio_channel *iio_chan_list;
switch (type) {
case QG:
if (IS_ERR_OR_NULL(chg->iio_chan_list_qg))
return -ENODEV;
iio_chan_list = chg->iio_chan_list_qg[iio_chan];
break;
case CP:
if (IS_ERR_OR_NULL(chg->iio_chan_list_cp))
return -ENODEV;
iio_chan_list = chg->iio_chan_list_cp[iio_chan];
break;
case SMB_PARALLEL:
if (IS_ERR_OR_NULL(chg->iio_chan_list_smb_parallel))
return -ENODEV;
iio_chan_list = chg->iio_chan_list_smb_parallel[iio_chan];
break;
default:
pr_err_ratelimited("iio_type %d is not supported\n", type);
return -EINVAL;
}
return iio_write_channel_raw(iio_chan_list, val);
}
static bool is_cp_available(struct smb_charger *chg)
{
int rc;
struct iio_channel **iio_list;
if (IS_ERR(chg->iio_chan_list_cp))
return false;
if (!chg->iio_chan_list_cp) {
iio_list = get_ext_channels(chg->dev,
smblib_cp_ext_iio_chan,
ARRAY_SIZE(smblib_cp_ext_iio_chan));
if (IS_ERR(iio_list)) {
rc = PTR_ERR(iio_list);
if (rc != -EPROBE_DEFER) {
dev_err(chg->dev, "Failed to get channels, rc=%d\n",
rc);
chg->iio_chan_list_cp = ERR_PTR(-EINVAL);
}
return false;
}
chg->iio_chan_list_cp = iio_list;
}
return true;
}
static bool is_cp_topo_vbatt(struct smb_charger *chg)
{
int rc = 0, val;
bool is_vbatt;
if (!is_cp_available(chg))
return false;
rc = smblib_read_iio_prop(chg, CP, CP_PARALLEL_OUTPUT_MODE, &val);
if (rc < 0) {
smblib_err(chg, "Couldn't get CP PARALLEL_OUTPUT_MODE rc=%d\n",
rc);
return false;
}
is_vbatt = (val == QTI_POWER_SUPPLY_PL_OUTPUT_VBAT);
smblib_dbg(chg, PR_WLS, "%s\n", is_vbatt ? "true" : "false");
return is_vbatt;
}
#define CP_TO_MAIN_ICL_OFFSET_PC 10
int smblib_get_qc3_main_icl_offset(struct smb_charger *chg, int *offset_ua)
{
int rc = 0, val;
/*
* Apply ILIM offset to main charger's FCC if all of the following
* conditions are met:
* - HVDCP3 adapter with CP as parallel charger
* - Output connection topology is VBAT
*/
if (!is_cp_topo_vbatt(chg) || chg->hvdcp3_standalone_config ||
((chg->real_charger_type !=
QTI_POWER_SUPPLY_TYPE_USB_HVDCP_3) &&
chg->real_charger_type !=
QTI_POWER_SUPPLY_TYPE_USB_HVDCP_3P5))
return -EINVAL;
rc = smblib_read_iio_prop(chg, CP, CP_MASTER_ENABLE, &val);
if (rc < 0) {
smblib_err(chg, "Couldn't get CP ENABLE rc=%d\n", rc);
return rc;
}
if (!val)
return -EINVAL;
rc = smblib_read_iio_prop(chg, CP, CP_ILIM, &val);
if (rc < 0) {
smblib_err(chg, "Couldn't get CP ILIM rc=%d\n", rc);
return rc;
}
*offset_ua = (val * CP_TO_MAIN_ICL_OFFSET_PC * 2) / 100;
return 0;
}
int smblib_get_prop_from_bms(struct smb_charger *chg,
int channel, int *val)
{
int rc;
if (IS_ERR_OR_NULL(chg->iio_chan_list_qg))
return -ENODEV;
rc = iio_read_channel_processed(chg->iio_chan_list_qg[channel],
val);
return rc < 0 ? rc : 0;
}
void smblib_apsd_enable(struct smb_charger *chg, bool enable)
{
int rc;
rc = smblib_masked_write(chg, USBIN_OPTIONS_1_CFG_REG,
BC1P2_SRC_DETECT_BIT,
enable ? BC1P2_SRC_DETECT_BIT : 0);
if (rc < 0)
smblib_err(chg, "failed to write USBIN_OPTIONS_1_CFG rc=%d\n",
rc);
}
void smblib_hvdcp_detect_enable(struct smb_charger *chg, bool enable)
{
int rc;
u8 mask;
mask = HVDCP_AUTH_ALG_EN_CFG_BIT | HVDCP_EN_BIT;
rc = smblib_masked_write(chg, USBIN_OPTIONS_1_CFG_REG, mask,
enable ? mask : 0);
if (rc < 0)
smblib_err(chg, "failed to write USBIN_OPTIONS_1_CFG rc=%d\n",
rc);
}
static void smblib_hvdcp_detect_try_enable(struct smb_charger *chg, bool enable)
{
if (chg->hvdcp_disable || chg->pd_not_supported)
return;
smblib_hvdcp_detect_enable(chg, enable);
}
void smblib_hvdcp_hw_inov_enable(struct smb_charger *chg, bool enable)
{
int rc;
rc = smblib_masked_write(chg, USBIN_OPTIONS_1_CFG_REG,
HVDCP_AUTONOMOUS_MODE_EN_CFG_BIT,
enable ? HVDCP_AUTONOMOUS_MODE_EN_CFG_BIT : 0);
if (rc < 0)
smblib_err(chg, "failed to write USBIN_OPTIONS_1_CFG rc=%d\n",
rc);
}
void smblib_hvdcp_exit_config(struct smb_charger *chg)
{
u8 stat;
int rc;
rc = smblib_read(chg, APSD_RESULT_STATUS_REG, &stat);
if (rc < 0)
return;
if (stat & (QC_3P0_BIT | QC_2P0_BIT)) {
/* force HVDCP to 5V */
smblib_masked_write(chg, USBIN_OPTIONS_1_CFG_REG,
HVDCP_AUTONOMOUS_MODE_EN_CFG_BIT, 0);
smblib_write(chg, CMD_HVDCP_2_REG, FORCE_5V_BIT);
/* rerun APSD */
smblib_masked_write(chg, CMD_APSD_REG, APSD_RERUN_BIT,
APSD_RERUN_BIT);
}
}
static int smblib_request_dpdm(struct smb_charger *chg, bool enable)
{
int rc = 0;
if (chg->pr_swap_in_progress)
return 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;
}
}
mutex_lock(&chg->dpdm_lock);
if (enable) {
if (chg->dpdm_reg && !chg->dpdm_enabled) {
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
chg->dpdm_enabled = true;
}
} else {
if (chg->dpdm_reg && chg->dpdm_enabled) {
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);
else
chg->dpdm_enabled = false;
}
}
mutex_unlock(&chg->dpdm_lock);
return rc;
}
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 if (chg->qc3p5_detected) {
chg->real_charger_type = QTI_POWER_SUPPLY_TYPE_USB_HVDCP_3P5;
} else {
/*
* Update real charger type only if its not FLOAT
* detected as SDP
*/
if (!(apsd_result->val == QTI_POWER_SUPPLY_TYPE_USB_FLOAT &&
chg->real_charger_type == POWER_SUPPLY_TYPE_USB))
chg->real_charger_type = apsd_result->val;
}
smblib_dbg(chg, PR_MISC, "APSD=%s PD=%d QC3P5=%d\n",
apsd_result->name, chg->pd_active, chg->qc3p5_detected);
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 (ev == PSY_EVENT_PROP_CHANGED)
schedule_work(&chg->bms_update_work);
}
if (chg->jeita_configured == JEITA_CFG_NONE)
schedule_work(&chg->jeita_update_work);
if (chg->sec_pl_present && !chg->iio_chan_list_smb_parallel
&& !strcmp(psy->desc->name, "parallel"))
schedule_work(&chg->pl_update_work);
if (!strcmp(psy->desc->name, "charge_pump_master")) {
pm_stay_awake(chg->dev);
schedule_work(&chg->cp_status_change_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;
}
static void smblib_uusb_removal(struct smb_charger *chg)
{
int rc;
struct smb_irq_data *data;
struct storm_watch *wdata;
int sec_charger;
sec_charger = chg->sec_pl_present ? QTI_POWER_SUPPLY_CHARGER_SEC_PL :
QTI_POWER_SUPPLY_CHARGER_SEC_NONE;
smblib_select_sec_charger(chg, sec_charger, QTI_POWER_SUPPLY_CP_NONE,
false);
cancel_delayed_work_sync(&chg->pl_enable_work);
if (chg->wa_flags & BOOST_BACK_WA) {
data = chg->irq_info[SWITCHER_POWER_OK_IRQ].irq_data;
if (data) {
wdata = &data->storm_data;
update_storm_count(wdata, WEAK_CHG_STORM_COUNT);
vote(chg->usb_icl_votable, BOOST_BACK_VOTER, false, 0);
vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER,
false, 0);
}
}
vote(chg->pl_disable_votable, PL_DELAY_VOTER, true, 0);
vote(chg->awake_votable, PL_DELAY_VOTER, false, 0);
/* reset both usbin current and voltage votes */
vote(chg->pl_enable_votable_indirect, USBIN_I_VOTER, false, 0);
vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, false, 0);
vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true,
is_flash_active(chg) ? SDP_CURRENT_UA : SDP_100_MA);
vote(chg->usb_icl_votable, SW_QC3_VOTER, false, 0);
vote(chg->usb_icl_votable, HVDCP2_ICL_VOTER, false, 0);
vote(chg->usb_icl_votable, CHG_TERMINATION_VOTER, false, 0);
vote(chg->usb_icl_votable, THERMAL_THROTTLE_VOTER, false, 0);
vote(chg->limited_irq_disable_votable, CHARGER_TYPE_VOTER,
true, 0);
vote(chg->hdc_irq_disable_votable, CHARGER_TYPE_VOTER, true, 0);
vote(chg->hdc_irq_disable_votable, HDC_IRQ_VOTER, false, 0);
/* Remove SW thermal regulation WA votes */
vote(chg->usb_icl_votable, SW_THERM_REGULATION_VOTER, false, 0);
vote(chg->pl_disable_votable, SW_THERM_REGULATION_VOTER, false, 0);
vote(chg->dc_suspend_votable, SW_THERM_REGULATION_VOTER, false, 0);
if (chg->cp_disable_votable)
vote(chg->cp_disable_votable, SW_THERM_REGULATION_VOTER,
false, 0);
/* reset USBOV votes and cancel work */
cancel_delayed_work_sync(&chg->usbov_dbc_work);
vote(chg->awake_votable, USBOV_DBC_VOTER, false, 0);
chg->dbc_usbov = false;
chg->voltage_min_uv = MICRO_5V;
chg->voltage_max_uv = MICRO_5V;
chg->usbin_forced_max_uv = 0;
chg->usb_icl_delta_ua = 0;
chg->pulse_cnt = 0;
chg->uusb_apsd_rerun_done = false;
chg->chg_param.forced_main_fcc = 0;
del_timer_sync(&chg->apsd_timer);
chg->apsd_ext_timeout = false;
/* write back the default FLOAT charger configuration */
rc = smblib_masked_write(chg, USBIN_OPTIONS_2_CFG_REG,
(u8)FLOAT_OPTIONS_MASK, chg->float_cfg);
if (rc < 0)
smblib_err(chg, "Couldn't write float charger options rc=%d\n",
rc);
/* clear USB ICL vote for USB_PSY_VOTER */
rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0);
if (rc < 0)
smblib_err(chg, "Couldn't un-vote for USB ICL rc=%d\n", rc);
/* clear USB ICL vote for DCP_VOTER */
rc = vote(chg->usb_icl_votable, DCP_VOTER, false, 0);
if (rc < 0)
smblib_err(chg,
"Couldn't un-vote DCP from USB ICL rc=%d\n", rc);
/*
* if non-compliant charger caused UV, restore original max pulses
* and turn SUSPEND_ON_COLLAPSE_USBIN_BIT back on.
*/
if (chg->qc2_unsupported_voltage) {
rc = smblib_masked_write(chg, HVDCP_PULSE_COUNT_MAX_REG,
HVDCP_PULSE_COUNT_MAX_QC2_MASK,
chg->qc2_max_pulses);
if (rc < 0)
smblib_err(chg, "Couldn't restore max pulses rc=%d\n",
rc);
if (!chg->disable_suspend_on_collapse) {
rc = smblib_masked_write(chg, USBIN_AICL_OPTIONS_CFG_REG,
SUSPEND_ON_COLLAPSE_USBIN_BIT,
SUSPEND_ON_COLLAPSE_USBIN_BIT);
if (rc < 0)
smblib_err(chg,
"Couldn't turn on SUSPEND_ON_COLLAPSE_USBIN_BIT rc=%d\n",
rc);
}
chg->qc2_unsupported_voltage = QC2_COMPLIANT;
}
chg->qc3p5_detected = false;
chg->qc3p5_detected_mw = 0;
smblib_update_usb_type(chg);
}
void smblib_config_charger_on_debug_battery(struct smb_charger *chg)
{
int rc = 0, val;
rc = smblib_get_prop_from_bms(chg, SMB5_QG_DEBUG_BATTERY, &val);
if (rc < 0) {
smblib_err(chg, "Couldn't get debug battery prop rc=%d\n", rc);
return;
}
vote(chg->bat_temp_irq_disable_votable, DEBUG_BOARD_VOTER, val, 0);
if (chg->suspend_input_on_debug_batt) {
vote(chg->usb_icl_votable, DEBUG_BOARD_VOTER, val, 0);
vote(chg->dc_suspend_votable, DEBUG_BOARD_VOTER, val, 0);
if (val)
pr_info("Input suspended: Fake battery\n");
} else {
vote(chg->chg_disable_votable, DEBUG_BOARD_VOTER,
val, 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
#define USBIN_1000MA 1000000
static int set_sdp_current(struct smb_charger *chg, int icl_ua)
{
int rc;
u8 icl_options;
const struct apsd_result *apsd_result = smblib_get_apsd_result(chg);
/* power source is SDP */
switch (icl_ua) {
case USBIN_100MA:
/* USB 2.0 100mA */
icl_options = 0;
break;
case USBIN_150MA:
/* USB 3.0 150mA */
icl_options = CFG_USB3P0_SEL_BIT;
break;
case USBIN_500MA:
/* USB 2.0 500mA */
icl_options = USB51_MODE_BIT;
break;
case USBIN_900MA:
/* USB 3.0 900mA */
icl_options = CFG_USB3P0_SEL_BIT | USB51_MODE_BIT;
break;
default:
return -EINVAL;
}
if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB &&
apsd_result->val == QTI_POWER_SUPPLY_TYPE_USB_FLOAT) {
/*
* change the float charger configuration to SDP, if this
* is the case of SDP being detected as FLOAT
*/
rc = smblib_masked_write(chg, USBIN_OPTIONS_2_CFG_REG,
FORCE_FLOAT_SDP_CFG_BIT, FORCE_FLOAT_SDP_CFG_BIT);
if (rc < 0) {
smblib_err(chg, "Couldn't set float ICL options rc=%d\n",
rc);
return rc;
}
}
rc = smblib_masked_write(chg, USBIN_ICL_OPTIONS_REG,
CFG_USB3P0_SEL_BIT | USB51_MODE_BIT, icl_options);
if (rc < 0) {
smblib_err(chg, "Couldn't set ICL options rc=%d\n", rc);
return rc;
}
rc = smblib_icl_override(chg, SW_OVERRIDE_USB51_MODE);
if (rc < 0) {
smblib_err(chg, "Couldn't set ICL override rc=%d\n", rc);
return rc;
}
return rc;
}
int smblib_set_icl_current(struct smb_charger *chg, int icl_ua)
{
int rc = 0;
enum icl_override_mode icl_override = HW_AUTO_MODE;
/* suspend if 25mA or less is requested */
bool suspend = (icl_ua <= USBIN_25MA);
if (chg->chg_param.smb_version == PMI632)
schgm_flash_torch_priority(chg, suspend ? TORCH_BOOST_MODE :
TORCH_BUCK_MODE);
/* Do not configure ICL from SW for DAM cables */
if (smblib_get_prop_typec_mode(chg) ==
QTI_POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY)
return 0;
if (suspend)
return smblib_set_usb_suspend(chg, true);
if (icl_ua == INT_MAX)
goto set_mode;
/* configure current */
if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB
&& (chg->typec_legacy
|| chg->typec_mode == QTI_POWER_SUPPLY_TYPEC_SOURCE_DEFAULT
|| chg->connector_type ==
QTI_POWER_SUPPLY_CONNECTOR_MICRO_USB)) {
rc = set_sdp_current(chg, icl_ua);
if (rc < 0) {
smblib_err(chg, "Couldn't set SDP ICL rc=%d\n", rc);
goto out;
}
} else {
/*
* Try USB 2.0/3,0 option first on USB path when maximum input
* current limit is 500mA or below for better accuracy; in case
* of error, proceed to use USB high-current mode.
*/
if (icl_ua <= USBIN_500MA) {
rc = set_sdp_current(chg, icl_ua);
if (rc >= 0)
goto unsuspend;
}
rc = smblib_set_charge_param(chg, &chg->param.usb_icl, icl_ua);
if (rc < 0) {
smblib_err(chg, "Couldn't set HC ICL rc=%d\n", rc);
goto out;
}
icl_override = SW_OVERRIDE_HC_MODE;
}
set_mode:
rc = smblib_icl_override(chg, icl_override);
if (rc < 0) {
smblib_err(chg, "Couldn't set ICL override rc=%d\n", rc);
goto out;
}
unsuspend:
/* unsuspend after configuring current and override */
rc = smblib_set_usb_suspend(chg, false);
if (rc < 0) {
smblib_err(chg, "Couldn't resume input rc=%d\n", rc);
goto out;
}
/* Re-run AICL */
if (icl_override != SW_OVERRIDE_HC_MODE)
rc = smblib_run_aicl(chg, RERUN_AICL);
out:
return rc;
}
int smblib_get_icl_current(struct smb_charger *chg, int *icl_ua)
{
int rc;
rc = smblib_get_charge_param(chg, &chg->param.icl_max_stat, icl_ua);
if (rc < 0)
smblib_err(chg, "Couldn't get HC ICL rc=%d\n", rc);
return rc;
}
int smblib_toggle_smb_en(struct smb_charger *chg, int toggle)
{
int rc = 0;
if (!toggle)
return rc;
rc = smblib_select_sec_charger(chg, chg->sec_chg_selected,
chg->cp_reason, true);
return rc;
}
int smblib_get_irq_status(struct smb_charger *chg, int *val)
{
int rc;
u8 reg;
if (chg->wa_flags & SKIP_MISC_PBS_IRQ_WA) {
*val = 0;
return 0;
}
mutex_lock(&chg->irq_status_lock);
/* Report and clear cached status */
*val = chg->irq_status;
chg->irq_status = 0;
/* get real time status of pulse skip irq */
rc = smblib_read(chg, MISC_PBS_RT_STS_REG, &reg);
if (rc < 0)
smblib_err(chg, "Couldn't read MISC_PBS_RT_STS_REG rc=%d\n",
rc);
else
*val |= (reg & PULSE_SKIP_IRQ_BIT);
mutex_unlock(&chg->irq_status_lock);
return rc;
}
/****************************
* uUSB Moisture Protection *
****************************/
#define MICRO_USB_DETECTION_ON_TIME_20_MS 0x08
#define MICRO_USB_DETECTION_PERIOD_X_100 0x03
#define U_USB_STATUS_WATER_PRESENT 0x00
static int smblib_set_moisture_protection(struct smb_charger *chg,
bool enable)
{
int rc = 0;
if (chg->moisture_present == enable) {
smblib_dbg(chg, PR_MISC, "No change in moisture protection status\n");
return rc;
}
if (enable) {
chg->moisture_present = true;
/* Disable uUSB factory mode detection */
rc = smblib_masked_write(chg, TYPEC_U_USB_CFG_REG,
EN_MICRO_USB_FACTORY_MODE_BIT, 0);
if (rc < 0) {
smblib_err(chg, "Couldn't disable uUSB factory mode detection rc=%d\n",
rc);
return rc;
}
/* Disable moisture detection and uUSB state change interrupt */
rc = smblib_masked_write(chg, TYPE_C_INTERRUPT_EN_CFG_2_REG,
TYPEC_WATER_DETECTION_INT_EN_BIT |
MICRO_USB_STATE_CHANGE_INT_EN_BIT, 0);
if (rc < 0) {
smblib_err(chg, "Couldn't disable moisture detection interrupt rc=%d\n",
rc);
return rc;
}
/* Set 1% duty cycle on ID detection */
rc = smblib_masked_write(chg,
((chg->chg_param.smb_version == PMI632)
? PMI632_TYPEC_U_USB_WATER_PROTECTION_CFG_REG :
TYPEC_U_USB_WATER_PROTECTION_CFG_REG),
EN_MICRO_USB_WATER_PROTECTION_BIT |
MICRO_USB_DETECTION_ON_TIME_CFG_MASK |
MICRO_USB_DETECTION_PERIOD_CFG_MASK,
EN_MICRO_USB_WATER_PROTECTION_BIT |
MICRO_USB_DETECTION_ON_TIME_20_MS |
MICRO_USB_DETECTION_PERIOD_X_100);
if (rc < 0) {
smblib_err(chg, "Couldn't set 1 percent CC_ID duty cycle rc=%d\n",
rc);
return rc;
}
vote(chg->usb_icl_votable, MOISTURE_VOTER, true, 0);
} else {
chg->moisture_present = false;
vote(chg->usb_icl_votable, MOISTURE_VOTER, false, 0);
/* Enable moisture detection and uUSB state change interrupt */
rc = smblib_masked_write(chg, TYPE_C_INTERRUPT_EN_CFG_2_REG,
TYPEC_WATER_DETECTION_INT_EN_BIT |
MICRO_USB_STATE_CHANGE_INT_EN_BIT,
TYPEC_WATER_DETECTION_INT_EN_BIT |
MICRO_USB_STATE_CHANGE_INT_EN_BIT);
if (rc < 0) {
smblib_err(chg, "Couldn't enable moisture detection and uUSB state change interrupt rc=%d\n",
rc);
return rc;
}
/* Disable periodic monitoring of CC_ID pin */
rc = smblib_write(chg,
((chg->chg_param.smb_version == PMI632)
? PMI632_TYPEC_U_USB_WATER_PROTECTION_CFG_REG :
TYPEC_U_USB_WATER_PROTECTION_CFG_REG), 0);
if (rc < 0) {
smblib_err(chg, "Couldn't disable 1 percent CC_ID duty cycle rc=%d\n",
rc);
return rc;
}
/* Enable uUSB factory mode detection */
rc = smblib_masked_write(chg, TYPEC_U_USB_CFG_REG,
EN_MICRO_USB_FACTORY_MODE_BIT,
EN_MICRO_USB_FACTORY_MODE_BIT);
if (rc < 0) {
smblib_err(chg, "Couldn't disable uUSB factory mode detection rc=%d\n",
rc);
return rc;
}
}
smblib_dbg(chg, PR_MISC, "Moisture protection %s\n",
chg->moisture_present ? "enabled" : "disabled");
return rc;
}
/*********************
* VOTABLE CALLBACKS *
*********************/
static int smblib_smb_disable_override_vote_callback(struct votable *votable,
void *data, int disable_smb, const char *client)
{
struct smb_charger *chg = data;
int rc = 0;
/* Enable/disable SMB_EN pin */
rc = smblib_masked_write(chg, MISC_SMB_EN_CMD_REG,
SMB_EN_OVERRIDE_BIT | SMB_EN_OVERRIDE_VALUE_BIT,
disable_smb ? SMB_EN_OVERRIDE_BIT : 0);
if (rc < 0)
smblib_err(chg, "Couldn't configure SMB_EN, rc=%d\n", rc);
return rc;
}
static int smblib_dc_suspend_vote_callback(struct votable *votable, void *data,
int suspend, const char *client)
{
struct smb_charger *chg = data;
if (chg->chg_param.smb_version == PMI632)
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_hdc_irq_disable_vote_callback(struct votable *votable,
void *data, int disable, const char *client)
{
struct smb_charger *chg = data;
if (!chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq)
return 0;
if (chg->irq_info[HIGH_DUTY_CYCLE_IRQ].enabled) {
if (disable)
disable_irq_nosync(
chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq);
} else {
if (!disable)
enable_irq(chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq);
}
chg->irq_info[HIGH_DUTY_CYCLE_IRQ].enabled = !disable;
return 0;
}
static int smblib_limited_irq_disable_vote_callback(struct votable *votable,
void *data, int disable, const char *client)
{
struct smb_charger *chg = data;
if (!chg->irq_info[INPUT_CURRENT_LIMITING_IRQ].irq)
return 0;
if (chg->irq_info[INPUT_CURRENT_LIMITING_IRQ].enabled) {
if (disable)
disable_irq_nosync(
chg->irq_info[INPUT_CURRENT_LIMITING_IRQ].irq);
} else {
if (!disable)
enable_irq(
chg->irq_info[INPUT_CURRENT_LIMITING_IRQ].irq);
}
chg->irq_info[INPUT_CURRENT_LIMITING_IRQ].enabled = !disable;
return 0;
}
static int smblib_icl_irq_disable_vote_callback(struct votable *votable,
void *data, int disable, const char *client)
{
struct smb_charger *chg = data;
if (!chg->irq_info[USBIN_ICL_CHANGE_IRQ].irq)
return 0;
if (chg->irq_info[USBIN_ICL_CHANGE_IRQ].enabled) {
if (disable)
disable_irq_nosync(
chg->irq_info[USBIN_ICL_CHANGE_IRQ].irq);
} else {
if (!disable)
enable_irq(chg->irq_info[USBIN_ICL_CHANGE_IRQ].irq);
}
chg->irq_info[USBIN_ICL_CHANGE_IRQ].enabled = !disable;
return 0;
}
static int smblib_temp_change_irq_disable_vote_callback(struct votable *votable,
void *data, int disable, const char *client)
{
struct smb_charger *chg = data;
if (!chg->irq_info[TEMP_CHANGE_IRQ].irq)
return 0;
if (chg->irq_info[TEMP_CHANGE_IRQ].enabled && disable) {
if (chg->irq_info[TEMP_CHANGE_IRQ].wake)
disable_irq_wake(chg->irq_info[TEMP_CHANGE_IRQ].irq);
disable_irq_nosync(chg->irq_info[TEMP_CHANGE_IRQ].irq);
} else if (!chg->irq_info[TEMP_CHANGE_IRQ].enabled && !disable) {
enable_irq(chg->irq_info[TEMP_CHANGE_IRQ].irq);
if (chg->irq_info[TEMP_CHANGE_IRQ].wake)
enable_irq_wake(chg->irq_info[TEMP_CHANGE_IRQ].irq);
}
chg->irq_info[TEMP_CHANGE_IRQ].enabled = !disable;
return 0;
}
static int smblib_bat_temp_irq_disable_vote_callback(struct votable *votable,
void *data, int disable, const char *client)
{
struct smb_charger *chg = data;
if (!chg->irq_info[BAT_TEMP_IRQ].irq)
return 0;
if (chg->irq_info[BAT_TEMP_IRQ].enabled && disable) {
disable_irq_wake(chg->irq_info[BAT_TEMP_IRQ].irq);
disable_irq_nosync(chg->irq_info[BAT_TEMP_IRQ].irq);
} else if (!chg->irq_info[BAT_TEMP_IRQ].enabled && !disable) {
enable_irq(chg->irq_info[BAT_TEMP_IRQ].irq);
enable_irq_wake(chg->irq_info[BAT_TEMP_IRQ].irq);
}
chg->irq_info[BAT_TEMP_IRQ].enabled = !disable;
return 0;
}
/*******************
* VCONN REGULATOR *
* *****************/
int smblib_vconn_regulator_enable(struct regulator_dev *rdev)
{
struct smb_charger *chg = rdev_get_drvdata(rdev);
int rc = 0;
u8 stat, orientation;
smblib_dbg(chg, PR_OTG, "enabling VCONN\n");
rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc);
return rc;
}
/* VCONN orientation is opposite to that of CC */
orientation =
stat & TYPEC_CCOUT_VALUE_BIT ? 0 : VCONN_EN_ORIENTATION_BIT;
rc = smblib_masked_write(chg, TYPE_C_VCONN_CONTROL_REG,
VCONN_EN_VALUE_BIT | VCONN_EN_ORIENTATION_BIT,
VCONN_EN_VALUE_BIT | orientation);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_CCOUT_CONTROL_REG rc=%d\n",
rc);
return rc;
}
return 0;
}
int smblib_vconn_regulator_disable(struct regulator_dev *rdev)
{
struct smb_charger *chg = rdev_get_drvdata(rdev);
int rc = 0;
smblib_dbg(chg, PR_OTG, "disabling VCONN\n");
rc = smblib_masked_write(chg, TYPE_C_VCONN_CONTROL_REG,
VCONN_EN_VALUE_BIT, 0);
if (rc < 0)
smblib_err(chg, "Couldn't disable vconn regulator rc=%d\n", rc);
return 0;
}
int smblib_vconn_regulator_is_enabled(struct regulator_dev *rdev)
{
struct smb_charger *chg = rdev_get_drvdata(rdev);
int rc;
u8 cmd;
rc = smblib_read(chg, TYPE_C_VCONN_CONTROL_REG, &cmd);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n",
rc);
return rc;
}
return (cmd & VCONN_EN_VALUE_BIT) ? 1 : 0;
}
/*****************
* OTG REGULATOR *
*****************/
int smblib_vbus_regulator_enable(struct regulator_dev *rdev)
{
struct smb_charger *chg = rdev_get_drvdata(rdev);
int rc;
smblib_dbg(chg, PR_OTG, "enabling OTG\n");
rc = smblib_masked_write(chg, DCDC_CMD_OTG_REG, OTG_EN_BIT, OTG_EN_BIT);
if (rc < 0) {
smblib_err(chg, "Couldn't enable OTG rc=%d\n", rc);
return rc;
}
return 0;
}
int smblib_vbus_regulator_disable(struct regulator_dev *rdev)
{
struct smb_charger *chg = rdev_get_drvdata(rdev);
int rc;
smblib_dbg(chg, PR_OTG, "disabling OTG\n");
rc = smblib_masked_write(chg, DCDC_CMD_OTG_REG, OTG_EN_BIT, 0);
if (rc < 0) {
smblib_err(chg, "Couldn't disable OTG regulator rc=%d\n", rc);
return rc;
}
return 0;
}
int smblib_vbus_regulator_is_enabled(struct regulator_dev *rdev)
{
struct smb_charger *chg = rdev_get_drvdata(rdev);
int rc = 0;
u8 cmd;
rc = smblib_read(chg, DCDC_CMD_OTG_REG, &cmd);
if (rc < 0) {
smblib_err(chg, "Couldn't read CMD_OTG rc=%d", rc);
return rc;
}
return (cmd & OTG_EN_BIT) ? 1 : 0;
}
/********************
* BATT PSY GETTERS *
********************/
int smblib_get_prop_input_suspend(struct smb_charger *chg,
union power_supply_propval *val)
{
val->intval = (get_client_vote(chg->usb_icl_votable, USER_VOTER) == 0)
&& get_client_vote(chg->dc_suspend_votable, USER_VOTER);
return 0;
}
int smblib_get_prop_batt_present(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc;
u8 stat;
rc = smblib_read(chg, BATIF_BASE + INT_RT_STS_OFFSET, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read BATIF_INT_RT_STS rc=%d\n", rc);
return rc;
}
val->intval = !(stat & (BAT_THERM_OR_ID_MISSING_RT_STS_BIT
| BAT_TERMINAL_MISSING_RT_STS_BIT));
return rc;
}
int smblib_get_prop_batt_capacity(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc = -EINVAL;
if (chg->fake_capacity >= 0) {
val->intval = chg->fake_capacity;
return 0;
}
rc = smblib_get_prop_from_bms(chg, SMB5_QG_CAPACITY, &val->intval);
if (rc < 0)
smblib_err(chg, "Couldn't get capacity prop rc=%d\n", rc);
return rc;
}
static bool is_charging_paused(struct smb_charger *chg)
{
int rc;
u8 val;
rc = smblib_read(chg, CHARGING_PAUSE_CMD_REG, &val);
if (rc < 0) {
smblib_err(chg, "Couldn't read CHARGING_PAUSE_CMD rc=%d\n", rc);
return false;
}
return val & CHARGING_PAUSE_CMD_BIT;
}
#define CUTOFF_COUNT 3
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, input_present = 0;
if (chg->fake_chg_status_on_debug_batt) {
rc = smblib_get_prop_from_bms(chg, SMB5_QG_DEBUG_BATTERY,
&pval.intval);
if (rc < 0) {
pr_err_ratelimited("Couldn't get debug battery prop rc=%d\n",
rc);
} else if (pval.intval == 1) {
val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
return 0;
}
}
rc = smblib_get_prop_batt_health(chg, &pval);
if (rc < 0) {
smblib_err(chg, "Couldn't get batt health rc=%d\n", rc);
return rc;
}
/*
* The charger status register shows charging even though the battery
* is discharging when the over voltage condition is hit. Report power
* supply state as NOT_CHARGING when the battery health reports
* over voltage.
*/
if (pval.intval == POWER_SUPPLY_HEALTH_OVERVOLTAGE) {
val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
return 0;
}
/*
* If SOC = 0 and we are discharging with input connected, report
* the battery status as DISCHARGING.
*/
smblib_is_input_present(chg, &input_present);
rc = smblib_get_prop_from_bms(chg, SMB5_QG_CAPACITY, &pval.intval);
if (!rc && pval.intval == 0 && input_present) {
rc = smblib_get_prop_from_bms(chg, SMB5_QG_CURRENT_NOW,
&pval.intval);
if (!rc && pval.intval > 0) {
if (chg->cutoff_count > CUTOFF_COUNT) {
val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
return 0;
}
chg->cutoff_count++;
} else {
chg->cutoff_count = 0;
}
} else {
chg->cutoff_count = 0;
}
if (chg->dbc_usbov) {
rc = smblib_get_prop_usb_present(chg, &pval);
if (rc < 0) {
smblib_err(chg,
"Couldn't get usb present prop rc=%d\n", rc);
return rc;
}
rc = smblib_get_usb_suspend(chg, &suspend);
if (rc < 0) {
smblib_err(chg,
"Couldn't get usb suspend rc=%d\n", rc);
return rc;
}
/*
* Report charging as long as USBOV is not debounced and
* charging path is un-suspended.
*/
if (pval.intval && !suspend) {
val->intval = POWER_SUPPLY_STATUS_CHARGING;
return 0;
}
}
rc = smblib_get_prop_usb_online(chg, &pval);
if (rc < 0) {
smblib_err(chg, "Couldn't get usb online property rc=%d\n",
rc);
return rc;
}
usb_online = (bool)pval.intval;
rc = smblib_get_prop_dc_online(chg, &pval);
if (rc < 0) {
smblib_err(chg, "Couldn't get dc online property rc=%d\n",
rc);
return rc;
}
dc_online = (bool)pval.intval;
rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n",
rc);
return rc;
}
stat = stat & BATTERY_CHARGER_STATUS_MASK;
if (!usb_online && !dc_online) {
switch (stat) {
case TERMINATE_CHARGE:
case INHIBIT_CHARGE:
val->intval = POWER_SUPPLY_STATUS_FULL;
break;
default:
val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
break;
}
return rc;
}
switch (stat) {
case TRICKLE_CHARGE:
case PRE_CHARGE:
case FULLON_CHARGE:
case TAPER_CHARGE:
val->intval = POWER_SUPPLY_STATUS_CHARGING;
break;
case TERMINATE_CHARGE:
case INHIBIT_CHARGE:
val->intval = POWER_SUPPLY_STATUS_FULL;
break;
case DISABLE_CHARGE:
case PAUSE_CHARGE:
val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
break;
default:
val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
break;
}
if (is_charging_paused(chg)) {
val->intval = POWER_SUPPLY_STATUS_CHARGING;
return 0;
}
/*
* If charge termination WA is active and has suspended charging, then
* continue reporting charging status as FULL.
*/
if (is_client_vote_enabled_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_ADAPTIVE;
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, SMB5_QG_VOLTAGE_NOW,
&pval.intval);
if (rc < 0) {
smblib_err(chg, "Couldn't get voltage_now prop rc=%d\n",
rc);
} else {
/*
* If Vbatt is within 40mV above Vfloat, then don't
* treat it as overvoltage.
*/
effective_fv_uv = get_effective_result_locked(
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,
int *val)
{
u8 stat;
int rc;
if (chg->fake_input_current_limited >= 0) {
*val = 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 = (stat & SOFT_ILIMIT_BIT) || chg->is_hdc;
return 0;
}
int smblib_get_prop_batt_iterm(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc, temp;
u8 stat, buf[2];
/*
* Currently, only ADC comparator-based termination is supported,
* hence read only the threshold corresponding to ADC source.
* Proceed only if CHGR_ITERM_USE_ANALOG_BIT is 0.
*/
rc = smblib_read(chg, CHGR_ENG_CHARGING_CFG_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read CHGR_ENG_CHARGING_CFG_REG rc=%d\n",
rc);
return rc;
}
if (stat & CHGR_ITERM_USE_ANALOG_BIT) {
val->intval = -EINVAL;
return 0;
}
rc = smblib_batch_read(chg, CHGR_ADC_ITERM_UP_THD_MSB_REG, buf, 2);
if (rc < 0) {
smblib_err(chg, "Couldn't read CHGR_ADC_ITERM_UP_THD_MSB_REG rc=%d\n",
rc);
return rc;
}
temp = buf[1] | (buf[0] << 8);
temp = sign_extend32(temp, 15);
if (chg->chg_param.smb_version == PMI632)
temp = DIV_ROUND_CLOSEST(temp * ITERM_LIMITS_PMI632_MA,
ADC_CHG_ITERM_MASK);
else
temp = DIV_ROUND_CLOSEST(temp * ITERM_LIMITS_PM8150B_MA,
ADC_CHG_ITERM_MASK);
val->intval = temp;
return rc;
}
int smblib_get_prop_batt_charge_done(struct smb_charger *chg,
int *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 = (stat == TERMINATE_CHARGE);
return 0;
}
int smblib_get_batt_current_now(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc;
rc = smblib_get_prop_from_bms(chg, SMB5_QG_CURRENT_NOW, &val->intval);
if (!rc)
val->intval *= (-1);
else
smblib_err(chg, "Couldn't get current_now prop rc=%d\n", rc);
return rc;
}
/***********************
* BATTERY PSY SETTERS *
***********************/
int smblib_set_prop_input_suspend(struct smb_charger *chg,
const union power_supply_propval *val)
{
int rc;
/* vote 0mA when suspended */
rc = vote(chg->usb_icl_votable, USER_VOTER, (bool)val->intval, 0);
if (rc < 0) {
smblib_err(chg, "Couldn't vote to %s USB rc=%d\n",
(bool)val->intval ? "suspend" : "resume", rc);
return rc;
}
rc = vote(chg->dc_suspend_votable, USER_VOTER, (bool)val->intval, 0);
if (rc < 0) {
smblib_err(chg, "Couldn't vote to %s DC rc=%d\n",
(bool)val->intval ? "suspend" : "resume", rc);
return rc;
}
power_supply_changed(chg->batt_psy);
return rc;
}
int smblib_set_prop_batt_capacity(struct smb_charger *chg,
const union power_supply_propval *val)
{
chg->fake_capacity = val->intval;
power_supply_changed(chg->batt_psy);
return 0;
}
int smblib_set_prop_batt_status(struct smb_charger *chg,
const union power_supply_propval *val)
{
/* Faking battery full */
if (val->intval == POWER_SUPPLY_STATUS_FULL)
chg->fake_batt_status = val->intval;
else
chg->fake_batt_status = -EINVAL;
power_supply_changed(chg->batt_psy);
return 0;
}
int smblib_set_prop_system_temp_level(struct smb_charger *chg,
const union power_supply_propval *val)
{
if (val->intval < 0)
return -EINVAL;
if (chg->thermal_levels <= 0)
return -EINVAL;
if (val->intval > chg->thermal_levels)
return -EINVAL;
chg->system_temp_level = val->intval;
if (chg->system_temp_level == chg->thermal_levels)
return vote(chg->chg_disable_votable,
THERMAL_DAEMON_VOTER, true, 0);
vote(chg->chg_disable_votable, THERMAL_DAEMON_VOTER, false, 0);
if (chg->system_temp_level == 0)
return vote(chg->fcc_votable, THERMAL_DAEMON_VOTER, false, 0);
vote(chg->fcc_votable, THERMAL_DAEMON_VOTER, true,
chg->thermal_mitigation[chg->system_temp_level]);
return 0;
}
int smblib_set_prop_input_current_limited(struct smb_charger *chg,
int val)
{
chg->fake_input_current_limited = val;
return 0;
}
int smblib_set_prop_rechg_soc_thresh(struct smb_charger *chg,
int val)
{
int rc;
u8 new_thr = DIV_ROUND_CLOSEST(val * 255, 100);
rc = smblib_write(chg, CHARGE_RCHG_SOC_THRESHOLD_CFG_REG,
new_thr);
if (rc < 0) {
smblib_err(chg, "Couldn't write to RCHG_SOC_THRESHOLD_CFG_REG rc=%d\n",
rc);
return rc;
}
chg->auto_recharge_soc = val;
return rc;
}
int smblib_run_aicl(struct smb_charger *chg, int type)
{
int rc;
u8 stat;
rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n",
rc);
return rc;
}
/* USB is suspended so skip re-running AICL */
if (stat & USBIN_SUSPEND_STS_BIT)
return rc;
smblib_dbg(chg, PR_MISC, "re-running AICL\n");
stat = (type == RERUN_AICL) ? RERUN_AICL_BIT : RESTART_AICL_BIT;
rc = smblib_masked_write(chg, AICL_CMD_REG, stat, stat);
if (rc < 0)
smblib_err(chg, "Couldn't write to AICL_CMD_REG rc=%d\n",
rc);
return 0;
}
static int smblib_dp_pulse(struct smb_charger *chg)
{
int rc;
/* QC 3.0 increment */
rc = smblib_masked_write(chg, CMD_HVDCP_2_REG, SINGLE_INCREMENT_BIT,
SINGLE_INCREMENT_BIT);
if (rc < 0)
smblib_err(chg, "Couldn't write to CMD_HVDCP_2_REG rc=%d\n",
rc);
return rc;
}
static int smblib_dm_pulse(struct smb_charger *chg)
{
int rc;
/* QC 3.0 decrement */
rc = smblib_masked_write(chg, CMD_HVDCP_2_REG, SINGLE_DECREMENT_BIT,
SINGLE_DECREMENT_BIT);
if (rc < 0)
smblib_err(chg, "Couldn't write to CMD_HVDCP_2_REG rc=%d\n",
rc);
return rc;
}
int smblib_force_vbus_voltage(struct smb_charger *chg, u8 val)
{
int rc;
rc = smblib_masked_write(chg, CMD_HVDCP_2_REG, val, val);
if (rc < 0)
smblib_err(chg, "Couldn't write to CMD_HVDCP_2_REG rc=%d\n",
rc);
return rc;
}
static void smblib_hvdcp_set_fsw(struct smb_charger *chg, int bit)
{
switch (bit) {
case QC_5V_BIT:
smblib_set_opt_switcher_freq(chg,
chg->chg_freq.freq_5V);
break;
case QC_9V_BIT:
smblib_set_opt_switcher_freq(chg,
chg->chg_freq.freq_9V);
break;
case QC_12V_BIT:
smblib_set_opt_switcher_freq(chg,
chg->chg_freq.freq_12V);
break;
default:
smblib_set_opt_switcher_freq(chg,
chg->chg_freq.freq_removal);
break;
}
}
#define QC3_PULSES_FOR_6V 5
#define QC3_PULSES_FOR_9V 20
#define QC3_PULSES_FOR_12V 35
static int smblib_hvdcp3_set_fsw(struct smb_charger *chg)
{
int pulse_count, rc;
rc = smblib_get_pulse_cnt(chg, &pulse_count);
if (rc < 0) {
smblib_err(chg, "Couldn't read QC_PULSE_COUNT rc=%d\n", rc);
return rc;
}
if (pulse_count < QC3_PULSES_FOR_6V)
smblib_set_opt_switcher_freq(chg,
chg->chg_freq.freq_5V);
else if (pulse_count < QC3_PULSES_FOR_9V)
smblib_set_opt_switcher_freq(chg,
chg->chg_freq.freq_6V_8V);
else if (pulse_count < QC3_PULSES_FOR_12V)
smblib_set_opt_switcher_freq(chg,
chg->chg_freq.freq_9V);
else
smblib_set_opt_switcher_freq(chg,
chg->chg_freq.freq_12V);
return 0;
}
static void smblib_hvdcp_adaptive_voltage_change(struct smb_charger *chg)
{
int rc;
u8 stat;
if (chg->real_charger_type == QTI_POWER_SUPPLY_TYPE_USB_HVDCP) {
rc = smblib_read(chg, QC_CHANGE_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg,
"Couldn't read QC_CHANGE_STATUS rc=%d\n", rc);
return;
}
smblib_hvdcp_set_fsw(chg, stat & QC_2P0_STATUS_MASK);
vote(chg->usb_icl_votable, HVDCP2_ICL_VOTER, false, 0);
}
if (chg->real_charger_type == QTI_POWER_SUPPLY_TYPE_USB_HVDCP_3
|| chg->real_charger_type ==
QTI_POWER_SUPPLY_TYPE_USB_HVDCP_3P5) {
rc = smblib_hvdcp3_set_fsw(chg);
if (rc < 0)
smblib_err(chg, "Couldn't set QC3.0 Fsw rc=%d\n", rc);
}
power_supply_changed(chg->batt_psy);
}
int smblib_dp_dm(struct smb_charger *chg, int val)
{
int target_icl_ua, data, rc = 0;
u8 stat;
switch (val) {
case QTI_POWER_SUPPLY_DP_DM_DP_PULSE:
/*
* Pre-emptively increment pulse count to enable the setting
* of FSW prior to increasing voltage.
*/
chg->pulse_cnt++;
rc = smblib_hvdcp3_set_fsw(chg);
if (rc < 0)
smblib_err(chg, "Couldn't set QC3.0 Fsw rc=%d\n", rc);
rc = smblib_dp_pulse(chg);
if (rc < 0) {
smblib_err(chg, "Couldn't increase pulse count rc=%d\n",
rc);
/*
* Increment pulse count failed;
* reset to former value.
*/
chg->pulse_cnt--;
}
smblib_dbg(chg, PR_PARALLEL, "DP_DM_DP_PULSE rc=%d cnt=%d\n",
rc, chg->pulse_cnt);
break;
case QTI_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 QTI_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 = smblib_get_charge_current(chg, &data);
if (rc < 0) {
smblib_err(chg, "Couldn't get max curr rc=%d\n",
rc);
return rc;
}
target_icl_ua = data;
}
/*
* 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 QTI_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 QTI_POWER_SUPPLY_DP_DM_FORCE_9V:
if (chg->qc2_unsupported_voltage == QC2_NON_COMPLIANT_9V) {
smblib_err(chg, "Couldn't set 9V: unsupported\n");
return -EINVAL;
}
/* If we are increasing voltage to get to 9V, set FSW first */
rc = smblib_read(chg, QC_CHANGE_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read QC_CHANGE_STATUS_REG rc=%d\n",
rc);
break;
}
if (stat & QC_5V_BIT) {
/* Force 1A ICL before requesting higher voltage */
vote(chg->usb_icl_votable, HVDCP2_ICL_VOTER,
true, 1000000);
smblib_hvdcp_set_fsw(chg, QC_9V_BIT);
}
rc = smblib_force_vbus_voltage(chg, FORCE_9V_BIT);
if (rc < 0)
pr_err("Failed to force 9V\n");
break;
case QTI_POWER_SUPPLY_DP_DM_FORCE_12V:
if (chg->qc2_unsupported_voltage == QC2_NON_COMPLIANT_12V) {
smblib_err(chg, "Couldn't set 12V: unsupported\n");
return -EINVAL;
}
/* If we are increasing voltage to get to 12V, set FSW first */
rc = smblib_read(chg, QC_CHANGE_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read QC_CHANGE_STATUS_REG rc=%d\n",
rc);
break;
}
if ((stat & QC_9V_BIT) || (stat & QC_5V_BIT)) {
/* Force 1A ICL before requesting higher voltage */
vote(chg->usb_icl_votable, HVDCP2_ICL_VOTER,
true, 1000000);
smblib_hvdcp_set_fsw(chg, QC_12V_BIT);
}
rc = smblib_force_vbus_voltage(chg, FORCE_12V_BIT);
if (rc < 0)
pr_err("Failed to force 12V\n");
break;
case QTI_POWER_SUPPLY_DP_DM_CONFIRMED_HVDCP3P5:
chg->qc3p5_detected = true;
smblib_update_usb_type(chg);
break;
case QTI_POWER_SUPPLY_DP_DM_ICL_UP:
default:
break;
}
return rc;
}
int smblib_disable_hw_jeita(struct smb_charger *chg, bool disable)
{
int rc;
u8 mask;
/*
* Disable h/w base JEITA compensation if s/w JEITA is enabled
*/
mask = JEITA_EN_COLD_SL_FCV_BIT
| JEITA_EN_HOT_SL_FCV_BIT
| JEITA_EN_HOT_SL_CCC_BIT
| JEITA_EN_COLD_SL_CCC_BIT,
rc = smblib_masked_write(chg, JEITA_EN_CFG_REG, mask,
disable ? 0 : mask);
if (rc < 0) {
dev_err(chg->dev, "Couldn't configure s/w jeita rc=%d\n",
rc);
return rc;
}
return 0;
}
static int smblib_set_sw_thermal_regulation(struct smb_charger *chg,
bool enable)
{
int rc = 0;
if (!(chg->wa_flags & SW_THERM_REGULATION_WA))
return rc;
if (enable) {
/*
* Configure min time to quickly address thermal
* condition.
*/
rc = smblib_masked_write(chg, SNARL_BARK_BITE_WD_CFG_REG,
SNARL_WDOG_TIMEOUT_MASK, SNARL_WDOG_TMOUT_62P5MS);
if (rc < 0) {
smblib_err(chg, "Couldn't configure snarl wdog tmout, rc=%d\n",
rc);
return rc;
}
/*
* Schedule SW_THERM_REGULATION_WORK directly if USB input
* is suspended due to SW thermal regulation WA since WDOG
* IRQ won't trigger with input suspended.
*/
if (is_client_vote_enabled(chg->usb_icl_votable,
SW_THERM_REGULATION_VOTER)) {
vote(chg->awake_votable, SW_THERM_REGULATION_VOTER,
true, 0);
schedule_delayed_work(&chg->thermal_regulation_work, 0);
}
} else {
cancel_delayed_work_sync(&chg->thermal_regulation_work);
vote(chg->awake_votable, SW_THERM_REGULATION_VOTER, false, 0);
}
smblib_dbg(chg, PR_MISC, "WDOG SNARL INT %s\n",
enable ? "Enabled" : "Disabled");
return rc;
}
static int smblib_update_thermal_readings(struct smb_charger *chg)
{
int rc = 0, data = 0;
struct iio_channel **iio_list;
if (!chg->iio_chan_list_smb_parallel) {
iio_list = get_ext_channels(chg->dev,
smblib_parallel_ext_iio_chan,
ARRAY_SIZE(smblib_parallel_ext_iio_chan));
if (IS_ERR(iio_list)) {
rc = PTR_ERR(iio_list);
if (rc != -EPROBE_DEFER) {
dev_err(chg->dev, "Failed to get channels, %d\n",
rc);
chg->iio_chan_list_smb_parallel =
ERR_PTR(-EINVAL);
}
} else {
chg->iio_chan_list_smb_parallel = iio_list;
}
}
rc = smblib_read_iio_channel(chg, chg->iio.die_temp_chan,
DIV_FACTOR_DECIDEGC, &chg->die_temp);
if (rc < 0) {
smblib_err(chg, "Couldn't read DIE TEMP channel, rc=%d\n", rc);
return rc;
}
rc = smblib_read_iio_channel(chg, chg->iio.connector_temp_chan,
DIV_FACTOR_DECIDEGC, &chg->connector_temp);
if (rc < 0) {
smblib_err(chg, "Couldn't read CONN TEMP channel, rc=%d\n", rc);
return rc;
}
rc = smblib_read_iio_channel(chg, chg->iio.skin_temp_chan,
DIV_FACTOR_DECIDEGC, &chg->skin_temp);
if (rc < 0) {
smblib_err(chg, "Couldn't read SKIN TEMP channel, rc=%d\n", rc);
return rc;
}
if (chg->sec_chg_selected == QTI_POWER_SUPPLY_CHARGER_SEC_CP) {
if (is_cp_available(chg)) {
rc = smblib_read_iio_prop(chg, CP, CP_DIE_TEMP, &data);
if (rc < 0) {
smblib_err(chg, "Couldn't get smb1390 charger temp, rc=%d\n",
rc);
return rc;
}
chg->smb_temp = data;
} else {
smblib_dbg(chg, PR_MISC, "Coudln't find cp_psy\n");
chg->smb_temp = -ENODATA;
}
} else if (!IS_ERR_OR_NULL(chg->iio_chan_list_smb_parallel) &&
chg->sec_chg_selected == QTI_POWER_SUPPLY_CHARGER_SEC_PL) {
rc = smblib_read_iio_prop(chg, SMB_PARALLEL, SMB_CHARGER_TEMP,
&data);
if (rc < 0) {
smblib_err(chg, "Couldn't get smb1355 charger temp, rc=%d\n",
rc);
return rc;
}
chg->smb_temp = data;
} else {
chg->smb_temp = -ENODATA;
}
return rc;
}
/* SW thermal regulation thresholds in deciDegC */
#define DIE_TEMP_RST_THRESH 1000
#define DIE_TEMP_REG_H_THRESH 800
#define DIE_TEMP_REG_L_THRESH 600
#define CONNECTOR_TEMP_SHDN_THRESH 700
#define CONNECTOR_TEMP_RST_THRESH 600
#define CONNECTOR_TEMP_REG_H_THRESH 550
#define CONNECTOR_TEMP_REG_L_THRESH 500
#define SMB_TEMP_SHDN_THRESH 1400
#define SMB_TEMP_RST_THRESH 900
#define SMB_TEMP_REG_H_THRESH 800
#define SMB_TEMP_REG_L_THRESH 600
#define SKIN_TEMP_SHDN_THRESH 700
#define SKIN_TEMP_RST_THRESH 600
#define SKIN_TEMP_REG_H_THRESH 550
#define SKIN_TEMP_REG_L_THRESH 500
#define THERM_REG_RECHECK_DELAY_1S 1000 /* 1 sec */
#define THERM_REG_RECHECK_DELAY_8S 8000 /* 8 sec */
static int smblib_process_thermal_readings(struct smb_charger *chg)
{
int rc = 0, wdog_timeout = SNARL_WDOG_TMOUT_8S;
u32 thermal_status = TEMP_BELOW_RANGE;
bool suspend_input = false, disable_smb = false;
/*
* Following is the SW thermal regulation flow:
*
* TEMP_SHUT_DOWN_LEVEL: If either connector temp or skin temp
* exceeds their respective SHDN threshold. Need to suspend input
* and secondary charger.
*
* TEMP_SHUT_DOWN_SMB_LEVEL: If smb temp exceed its SHDN threshold
* but connector and skin temp are below it. Need to suspend SMB.
*
* TEMP_ALERT_LEVEL: If die, connector, smb or skin temp exceeds it's
* respective RST threshold. Stay put and monitor temperature closely.
*
* TEMP_ABOVE_RANGE or TEMP_WITHIN_RANGE or TEMP_BELOW_RANGE: If die,
* connector, smb or skin temp exceeds it's respective REG_H or REG_L
* threshold. Unsuspend input and SMB.
*/
if (chg->connector_temp > CONNECTOR_TEMP_SHDN_THRESH ||
chg->skin_temp > SKIN_TEMP_SHDN_THRESH) {
thermal_status = TEMP_SHUT_DOWN;
wdog_timeout = SNARL_WDOG_TMOUT_1S;
suspend_input = true;
disable_smb = true;
goto out;
}
if (chg->smb_temp > SMB_TEMP_SHDN_THRESH) {
thermal_status = TEMP_SHUT_DOWN_SMB;
wdog_timeout = SNARL_WDOG_TMOUT_1S;
disable_smb = true;
goto out;
}
if (chg->connector_temp > CONNECTOR_TEMP_RST_THRESH ||
chg->skin_temp > SKIN_TEMP_RST_THRESH ||
chg->smb_temp > SMB_TEMP_RST_THRESH ||
chg->die_temp > DIE_TEMP_RST_THRESH) {
thermal_status = TEMP_ALERT_LEVEL;
wdog_timeout = SNARL_WDOG_TMOUT_1S;
goto out;
}
if (chg->connector_temp > CONNECTOR_TEMP_REG_H_THRESH ||
chg->skin_temp > SKIN_TEMP_REG_H_THRESH ||
chg->smb_temp > SMB_TEMP_REG_H_THRESH ||
chg->die_temp > DIE_TEMP_REG_H_THRESH) {
thermal_status = TEMP_ABOVE_RANGE;
wdog_timeout = SNARL_WDOG_TMOUT_1S;
goto out;
}
if (chg->connector_temp > CONNECTOR_TEMP_REG_L_THRESH ||
chg->skin_temp > SKIN_TEMP_REG_L_THRESH ||
chg->smb_temp > SMB_TEMP_REG_L_THRESH ||
chg->die_temp > DIE_TEMP_REG_L_THRESH) {
thermal_status = TEMP_WITHIN_RANGE;
wdog_timeout = SNARL_WDOG_TMOUT_8S;
}
out:
smblib_dbg(chg, PR_MISC, "Current temperatures: \tDIE_TEMP: %d,\tCONN_TEMP: %d,\tSMB_TEMP: %d,\tSKIN_TEMP: %d\nTHERMAL_STATUS: %d\n",
chg->die_temp, chg->connector_temp, chg->smb_temp,
chg->skin_temp, thermal_status);
if (thermal_status != chg->thermal_status) {
chg->thermal_status = thermal_status;
/*
* If thermal level changes to TEMP ALERT LEVEL, don't
* enable/disable main/parallel charging.
*/
if (chg->thermal_status == TEMP_ALERT_LEVEL)
goto exit;
vote(chg->smb_override_votable, SW_THERM_REGULATION_VOTER,
disable_smb, 0);
/*
* Enable/disable secondary charger through votables to ensure
* that if SMB_EN pin get's toggled somehow, secondary charger
* remains enabled/disabled according to SW thermal regulation.
*/
if (!chg->cp_disable_votable)
chg->cp_disable_votable = find_votable("CP_DISABLE");
if (chg->cp_disable_votable)
vote(chg->cp_disable_votable, SW_THERM_REGULATION_VOTER,
disable_smb, 0);
vote(chg->pl_disable_votable, SW_THERM_REGULATION_VOTER,
disable_smb, 0);
smblib_dbg(chg, PR_MISC, "Parallel %s as per SW thermal regulation\n",
disable_smb ? "disabled" : "enabled");
/*
* If thermal level changes to TEMP_SHUT_DOWN_SMB, don't
* enable/disable main charger.
*/
if (chg->thermal_status == TEMP_SHUT_DOWN_SMB)
goto exit;
/* Suspend input if SHDN threshold reached */
vote(chg->dc_suspend_votable, SW_THERM_REGULATION_VOTER,
suspend_input, 0);
vote(chg->usb_icl_votable, SW_THERM_REGULATION_VOTER,
suspend_input, 0);
smblib_dbg(chg, PR_MISC, "USB/DC %s as per SW thermal regulation\n",
suspend_input ? "suspended" : "unsuspended");
}
exit:
/*
* On USB suspend, WDOG IRQ stops triggering. To continue thermal
* monitoring and regulation until USB is plugged out, reschedule
* the SW thermal regulation work without releasing the wake lock.
*/
if (is_client_vote_enabled(chg->usb_icl_votable,
SW_THERM_REGULATION_VOTER)) {
schedule_delayed_work(&chg->thermal_regulation_work,
msecs_to_jiffies(THERM_REG_RECHECK_DELAY_1S));
return 0;
}
rc = smblib_masked_write(chg, SNARL_BARK_BITE_WD_CFG_REG,
SNARL_WDOG_TIMEOUT_MASK, wdog_timeout);
if (rc < 0)
smblib_err(chg, "Couldn't set WD SNARL timer, rc=%d\n", rc);
vote(chg->awake_votable, SW_THERM_REGULATION_VOTER, false, 0);
return rc;
}
/*******************
* DC PSY GETTERS *
*******************/
int smblib_get_prop_voltage_wls_output(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc = 0;
if (!chg->wls_psy) {
chg->wls_psy = power_supply_get_by_name("wireless");
if (!chg->wls_psy) {
val->intval = -EINVAL;
return 0;
}
}
rc = power_supply_get_property(chg->wls_psy,
POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT,
val);
return rc;
}
int smblib_get_prop_dc_present(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc;
u8 stat;
if (chg->chg_param.smb_version == PMI632) {
val->intval = 0;
return 0;
}
rc = smblib_read(chg, DCIN_BASE + INT_RT_STS_OFFSET, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read DCIN_RT_STS rc=%d\n", rc);
return rc;
}
val->intval = (bool)(stat & DCIN_PLUGIN_RT_STS_BIT);
return 0;
}
int smblib_get_prop_dc_online(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc = 0;
u8 stat;
if (chg->chg_param.smb_version == PMI632) {
val->intval = 0;
return 0;
}
if (get_client_vote(chg->dc_suspend_votable, USER_VOTER)) {
val->intval = false;
return rc;
}
if (is_client_vote_enabled(chg->dc_suspend_votable,
CHG_TERMINATION_VOTER)) {
rc = smblib_get_prop_dc_present(chg, val);
return rc;
}
rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n",
rc);
return rc;
}
smblib_dbg(chg, PR_REGISTER, "POWER_PATH_STATUS = 0x%02x\n",
stat);
val->intval = (stat & USE_DCIN_BIT) &&
(stat & VALID_INPUT_POWER_SOURCE_STS_BIT);
return rc;
}
int smblib_get_prop_dc_current_max(struct smb_charger *chg,
union power_supply_propval *val)
{
return smblib_get_charge_param(chg, &chg->param.dc_icl, &val->intval);
}
int smblib_get_prop_dc_voltage_max(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc;
val->intval = MICRO_12V;
if (!chg->wls_psy)
chg->wls_psy = power_supply_get_by_name("wireless");
if (chg->wls_psy) {
rc = power_supply_get_property(chg->wls_psy,
POWER_SUPPLY_PROP_VOLTAGE_MAX,
val);
if (rc < 0) {
dev_err(chg->dev, "Couldn't get VOLTAGE_MAX, rc=%d\n",
rc);
return rc;
}
}
return 0;
}
int smblib_get_prop_dc_voltage_now(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc = 0;
if (!chg->wls_psy) {
chg->wls_psy = power_supply_get_by_name("wireless");
if (!chg->wls_psy) {
val->intval = -EINVAL;
return 0;
}
}
rc = power_supply_get_property(chg->wls_psy,
POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT,
val);
if (rc < 0) {
dev_err(chg->dev, "Couldn't get POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT, rc=%d\n",
rc);
return rc;
}
return rc;
}
/*******************
* DC PSY SETTERS *
*******************/
int smblib_set_prop_dc_current_max(struct smb_charger *chg,
const union power_supply_propval *val)
{
chg->dcin_icl_user_set = true;
return smblib_set_charge_param(chg, &chg->param.dc_icl, val->intval);
}
#define DCIN_AICL_RERUN_DELAY_MS 5000
int smblib_set_prop_voltage_wls_output(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc = 0;
if (!chg->wls_psy) {
chg->wls_psy = power_supply_get_by_name("wireless");
if (!chg->wls_psy)
return -ENODEV;
}
rc = power_supply_set_property(chg->wls_psy,
POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT,
val);
if (rc < 0)
dev_err(chg->dev, "Couldn't set POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT, rc=%d\n",
rc);
smblib_dbg(chg, PR_WLS, "%d\n", val->intval);
/*
* When WLS VOUT goes down, the power-constrained adaptor may be able
* to supply more current, so allow it to do so - unless userspace has
* changed DCIN ICL value already due to thermal considerations.
*/
if (!chg->dcin_icl_user_set && (val->intval > 0) &&
(val->intval < chg->last_wls_vout)) {
alarm_start_relative(&chg->dcin_aicl_alarm,
ms_to_ktime(DCIN_AICL_RERUN_DELAY_MS));
}
chg->last_wls_vout = val->intval;
return rc;
}
int smblib_set_prop_dc_reset(struct smb_charger *chg)
{
int rc;
rc = vote(chg->dc_suspend_votable, VOUT_VOTER, true, 0);
if (rc < 0) {
smblib_err(chg, "Couldn't suspend DC rc=%d\n", rc);
return rc;
}
rc = smblib_masked_write(chg, DCIN_CMD_IL_REG, DCIN_EN_MASK,
DCIN_EN_OVERRIDE_BIT);
if (rc < 0) {
smblib_err(chg, "Couldn't set DCIN_EN_OVERRIDE_BIT rc=%d\n",
rc);
return rc;
}
rc = smblib_write(chg, DCIN_CMD_PON_REG, DCIN_PON_BIT | MID_CHG_BIT);
if (rc < 0) {
smblib_err(chg, "Couldn't write %d to DCIN_CMD_PON_REG rc=%d\n",
DCIN_PON_BIT | MID_CHG_BIT, rc);
return rc;
}
/* Wait for 10ms to allow the charge to get drained */
usleep_range(10000, 10010);
rc = smblib_write(chg, DCIN_CMD_PON_REG, 0);
if (rc < 0) {
smblib_err(chg, "Couldn't clear DCIN_CMD_PON_REG rc=%d\n", rc);
return rc;
}
rc = smblib_masked_write(chg, DCIN_CMD_IL_REG, DCIN_EN_MASK, 0);
if (rc < 0) {
smblib_err(chg, "Couldn't clear DCIN_EN_OVERRIDE_BIT rc=%d\n",
rc);
return rc;
}
rc = vote(chg->dc_suspend_votable, VOUT_VOTER, false, 0);
if (rc < 0) {
smblib_err(chg, "Couldn't unsuspend DC rc=%d\n", rc);
return rc;
}
smblib_dbg(chg, PR_MISC, "Wireless charger removal detection successful\n");
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_locked(chg->usb_icl_votable,
CHG_TERMINATION_VOTER)) {
rc = smblib_get_prop_usb_present(chg, val);
return rc;
}
rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n",
rc);
return rc;
}
smblib_dbg(chg, PR_REGISTER, "POWER_PATH_STATUS = 0x%02x\n",
stat);
val->intval = (stat & USE_USBIN_BIT) &&
(stat & VALID_INPUT_POWER_SOURCE_STS_BIT);
return rc;
}
int smblib_get_usb_online(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc;
rc = smblib_get_prop_usb_online(chg, val);
if (!val->intval)
goto exit;
if (((chg->typec_mode == QTI_POWER_SUPPLY_TYPEC_SOURCE_DEFAULT) ||
(chg->connector_type == QTI_POWER_SUPPLY_CONNECTOR_MICRO_USB))
&& (chg->real_charger_type == POWER_SUPPLY_TYPE_USB))
val->intval = 0;
else
val->intval = 1;
if (chg->real_charger_type == POWER_SUPPLY_TYPE_UNKNOWN)
val->intval = 0;
exit:
return rc;
}
int smblib_get_prop_usb_voltage_max_design(struct smb_charger *chg,
union power_supply_propval *val)
{
switch (chg->real_charger_type) {
case QTI_POWER_SUPPLY_TYPE_USB_HVDCP:
if (chg->qc2_unsupported_voltage == QC2_NON_COMPLIANT_9V) {
val->intval = MICRO_5V;
break;
} else if (chg->qc2_unsupported_voltage ==
QC2_NON_COMPLIANT_12V) {
val->intval = MICRO_9V;
break;
}
fallthrough;
case QTI_POWER_SUPPLY_TYPE_USB_HVDCP_3P5:
case QTI_POWER_SUPPLY_TYPE_USB_HVDCP_3:
case POWER_SUPPLY_TYPE_USB_PD:
if (chg->chg_param.smb_version == PMI632)
val->intval = MICRO_9V;
else
val->intval = MICRO_12V;
break;
default:
val->intval = MICRO_5V;
break;
}
return 0;
}
int smblib_get_prop_usb_voltage_max(struct smb_charger *chg,
union power_supply_propval *val)
{
switch (chg->real_charger_type) {
case QTI_POWER_SUPPLY_TYPE_USB_HVDCP:
if (chg->qc2_unsupported_voltage == QC2_NON_COMPLIANT_9V) {
val->intval = MICRO_5V;
break;
} else if (chg->qc2_unsupported_voltage ==
QC2_NON_COMPLIANT_12V) {
val->intval = MICRO_9V;
break;
}
fallthrough;
case QTI_POWER_SUPPLY_TYPE_USB_HVDCP_3P5:
case QTI_POWER_SUPPLY_TYPE_USB_HVDCP_3:
if (chg->chg_param.smb_version == PMI632)
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;
}
#define HVDCP3_STEP_UV 200000
#define HVDCP3P5_STEP_UV 20000
static int smblib_estimate_adaptor_voltage(struct smb_charger *chg,
union power_supply_propval *val)
{
int step_uv = HVDCP3_STEP_UV;
switch (chg->real_charger_type) {
case QTI_POWER_SUPPLY_TYPE_USB_HVDCP:
val->intval = MICRO_12V;
break;
case QTI_POWER_SUPPLY_TYPE_USB_HVDCP_3P5:
step_uv = HVDCP3P5_STEP_UV;
case QTI_POWER_SUPPLY_TYPE_USB_HVDCP_3:
val->intval = MICRO_5V + (step_uv * chg->pulse_cnt);
break;
case POWER_SUPPLY_TYPE_USB_PD:
/* Take the average of min and max values */
val->intval = chg->voltage_min_uv +
((chg->voltage_max_uv - chg->voltage_min_uv) / 2);
break;
default:
val->intval = MICRO_5V;
break;
}
return 0;
}
static int smblib_read_mid_voltage_chan(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc;
if (!chg->iio.mid_chan)
return -ENODATA;
rc = iio_read_channel_processed(chg->iio.mid_chan, &val->intval);
if (rc < 0) {
smblib_err(chg, "Couldn't read MID channel rc=%d\n", rc);
return rc;
}
/*
* If MID voltage < 1V, it is unreliable.
* Figure out voltage from registers and calculations.
*/
if (val->intval < 1000000)
return smblib_estimate_adaptor_voltage(chg, val);
return 0;
}
static int smblib_read_usbin_voltage_chan(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc;
if (!chg->iio.usbin_v_chan)
return -ENODATA;
rc = iio_read_channel_processed(chg->iio.usbin_v_chan, &val->intval);
if (rc < 0) {
smblib_err(chg, "Couldn't read USBIN channel rc=%d\n", rc);
return rc;
}
return 0;
}
int smblib_get_prop_usb_voltage_now(struct smb_charger *chg,
union power_supply_propval *val)
{
union power_supply_propval pval = {0, };
int rc, ret = 0;
u8 reg, adc_ch_reg;
mutex_lock(&chg->adc_lock);
if (chg->wa_flags & USBIN_ADC_WA) {
/* Store ADC channel config in order to restore later */
rc = smblib_read(chg, BATIF_ADC_CHANNEL_EN_REG, &adc_ch_reg);
if (rc < 0) {
smblib_err(chg, "Couldn't read ADC config rc=%d\n", rc);
ret = rc;
goto unlock;
}
/* Disable all ADC channels except IBAT channel */
rc = smblib_write(chg, BATIF_ADC_CHANNEL_EN_REG,
IBATT_CHANNEL_EN_BIT);
if (rc < 0) {
smblib_err(chg, "Couldn't disable ADC channels rc=%d\n",
rc);
ret = rc;
goto unlock;
}
}
rc = smblib_get_prop_usb_present(chg, &pval);
if (rc < 0) {
smblib_err(chg, "Couldn't get usb presence status rc=%d\n", rc);
ret = -ENODATA;
goto restore_adc_config;
}
/*
* Skip reading voltage only if USB is not present and we are not in
* OTG mode.
*/
if (!pval.intval) {
rc = smblib_read(chg, DCDC_CMD_OTG_REG, &reg);
if (rc < 0) {
smblib_err(chg, "Couldn't read CMD_OTG rc=%d", rc);
goto restore_adc_config;
}
if (!(reg & OTG_EN_BIT))
goto restore_adc_config;
}
/*
* For PM8150B, use MID_CHG ADC channel because overvoltage is observed
* to occur randomly in the USBIN channel, particularly at high
* voltages.
*/
if (chg->chg_param.smb_version == PM8150B)
rc = smblib_read_mid_voltage_chan(chg, val);
else
rc = smblib_read_usbin_voltage_chan(chg, val);
if (rc < 0) {
smblib_err(chg, "Failed to read USBIN over vadc, rc=%d\n", rc);
ret = rc;
}
restore_adc_config:
/* Restore ADC channel config */
if (chg->wa_flags & USBIN_ADC_WA) {
rc = smblib_write(chg, BATIF_ADC_CHANNEL_EN_REG, adc_ch_reg);
if (rc < 0)
smblib_err(chg, "Couldn't write ADC config rc=%d\n",
rc);
}
unlock:
mutex_unlock(&chg->adc_lock);
return ret;
}
int smblib_get_prop_vph_voltage_now(struct smb_charger *chg,
int *val)
{
int rc;
if (!chg->iio.vph_v_chan)
return -ENODATA;
rc = iio_read_channel_processed(chg->iio.vph_v_chan, val);
if (rc < 0) {
smblib_err(chg, "Couldn't read vph channel rc=%d\n", rc);
return rc;
}
return 0;
}
static bool smblib_rsbux_low(struct smb_charger *chg, int r_thr)
{
int r_sbu1, r_sbu2;
bool ret = false;
int rc;
if (!chg->iio.sbux_chan)
return false;
/* disable crude sensors */
rc = smblib_masked_write(chg, TYPE_C_CRUDE_SENSOR_CFG_REG,
EN_SRC_CRUDE_SENSOR_BIT | EN_SNK_CRUDE_SENSOR_BIT,
0);
if (rc < 0) {
smblib_err(chg, "Couldn't disable crude sensor rc=%d\n", rc);
return false;
}
/* select SBU1 as current source */
rc = smblib_write(chg, TYPE_C_SBU_CFG_REG, SEL_SBU1_ISRC_VAL);
if (rc < 0) {
smblib_err(chg, "Couldn't select SBU1 rc=%d\n", rc);
goto cleanup;
}
rc = iio_read_channel_processed(chg->iio.sbux_chan, &r_sbu1);
if (rc < 0) {
smblib_err(chg, "Couldn't read SBU1 rc=%d\n", rc);
goto cleanup;
}
if (r_sbu1 < r_thr) {
ret = true;
goto cleanup;
}
/* select SBU2 as current source */
rc = smblib_write(chg, TYPE_C_SBU_CFG_REG, SEL_SBU2_ISRC_VAL);
if (rc < 0) {
smblib_err(chg, "Couldn't select SBU1 rc=%d\n", rc);
goto cleanup;
}
rc = iio_read_channel_processed(chg->iio.sbux_chan, &r_sbu2);
if (rc < 0) {
smblib_err(chg, "Couldn't read SBU1 rc=%d\n", rc);
goto cleanup;
}
if (r_sbu2 < r_thr)
ret = true;
cleanup:
/* enable crude sensors */
rc = smblib_masked_write(chg, TYPE_C_CRUDE_SENSOR_CFG_REG,
EN_SRC_CRUDE_SENSOR_BIT | EN_SNK_CRUDE_SENSOR_BIT,
EN_SRC_CRUDE_SENSOR_BIT | EN_SNK_CRUDE_SENSOR_BIT);
if (rc < 0)
smblib_err(chg, "Couldn't enable crude sensor rc=%d\n", rc);
/* disable current source */
rc = smblib_write(chg, TYPE_C_SBU_CFG_REG, 0);
if (rc < 0)
smblib_err(chg, "Couldn't select SBU1 rc=%d\n", rc);
return ret;
}
int smblib_get_prop_charger_temp(struct smb_charger *chg,
int *val)
{
int temp, rc;
int input_present;
rc = smblib_is_input_present(chg, &input_present);
if (rc < 0)
return rc;
if (input_present == INPUT_NOT_PRESENT)
return -ENODATA;
if (chg->iio.temp_chan) {
rc = iio_read_channel_processed(chg->iio.temp_chan,
&temp);
if (rc < 0) {
pr_err("Error in reading temp channel, rc=%d\n", rc);
return rc;
}
*val = temp / 100;
} else {
return -ENODATA;
}
return rc;
}
int smblib_get_prop_typec_cc_orientation(struct smb_charger *chg,
int *val)
{
int rc = 0;
u8 stat;
*val = 0;
if (chg->connector_type == QTI_POWER_SUPPLY_CONNECTOR_MICRO_USB)
return 0;
rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc);
return rc;
}
smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_4 = 0x%02x\n", stat);
if (stat & CC_ATTACHED_BIT)
*val = (bool)(stat & CC_ORIENTATION_BIT) + 1;
return rc;
}
static const char * const smblib_typec_mode_name[] = {
[QTI_POWER_SUPPLY_TYPEC_NONE] = "NONE",
[QTI_POWER_SUPPLY_TYPEC_SOURCE_DEFAULT] = "SOURCE_DEFAULT",
[QTI_POWER_SUPPLY_TYPEC_SOURCE_MEDIUM] = "SOURCE_MEDIUM",
[QTI_POWER_SUPPLY_TYPEC_SOURCE_HIGH] = "SOURCE_HIGH",
[QTI_POWER_SUPPLY_TYPEC_NON_COMPLIANT] = "NON_COMPLIANT",
[QTI_POWER_SUPPLY_TYPEC_SINK] = "SINK",
[QTI_POWER_SUPPLY_TYPEC_SINK_POWERED_CABLE] = "SINK_POWERED_CABLE",
[QTI_POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY] = "SINK_DEBUG_ACCESSORY",
[QTI_POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER] = "SINK_AUDIO_ADAPTER",
[QTI_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 QTI_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 QTI_POWER_SUPPLY_TYPEC_SOURCE_DEFAULT;
case SNK_RP_1P5_BIT:
return QTI_POWER_SUPPLY_TYPEC_SOURCE_MEDIUM;
case SNK_RP_3P0_BIT:
return QTI_POWER_SUPPLY_TYPEC_SOURCE_HIGH;
case SNK_RP_SHORT_BIT:
return QTI_POWER_SUPPLY_TYPEC_NON_COMPLIANT;
case SNK_DAM_500MA_BIT:
case SNK_DAM_1500MA_BIT:
case SNK_DAM_3000MA_BIT:
return QTI_POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY;
default:
break;
}
return QTI_POWER_SUPPLY_TYPEC_NONE;
}
static int smblib_get_prop_dfp_mode(struct smb_charger *chg)
{
int rc;
u8 stat;
if (chg->lpd_stage == LPD_STAGE_COMMIT)
return QTI_POWER_SUPPLY_TYPEC_NONE;
rc = smblib_read(chg, TYPE_C_SRC_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_SRC_STATUS_REG rc=%d\n",
rc);
return QTI_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 QTI_POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER;
case SRC_DEBUG_ACCESS_BIT:
return QTI_POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY;
case SRC_RD_RA_VCONN_BIT:
return QTI_POWER_SUPPLY_TYPEC_SINK_POWERED_CABLE;
case SRC_RD_OPEN_BIT:
return QTI_POWER_SUPPLY_TYPEC_SINK;
default:
break;
}
return QTI_POWER_SUPPLY_TYPEC_NONE;
}
static int smblib_get_prop_typec_mode(struct smb_charger *chg)
{
int rc;
u8 stat;
rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_MISC_STATUS_REG rc=%d\n",
rc);
return 0;
}
smblib_dbg(chg, PR_REGISTER, "TYPE_C_MISC_STATUS_REG = 0x%02x\n", stat);
if (stat & SNK_SRC_MODE_BIT)
return smblib_get_prop_dfp_mode(chg);
else
return smblib_get_prop_ufp_mode(chg);
}
inline int smblib_get_usb_prop_typec_mode(struct smb_charger *chg,
int *val)
{
if (chg->connector_type == QTI_POWER_SUPPLY_CONNECTOR_MICRO_USB)
*val = QTI_POWER_SUPPLY_TYPEC_NONE;
else {
chg->typec_mode = smblib_get_prop_typec_mode(chg);
*val = chg->typec_mode;
}
return 0;
}
inline int smblib_get_usb_prop_typec_accessory_mode(struct smb_charger *chg,
int *val)
{
if (chg->connector_type == QTI_POWER_SUPPLY_CONNECTOR_MICRO_USB) {
*val = TYPEC_ACCESSORY_NONE;
return 0;
}
switch (chg->typec_mode) {
case QTI_POWER_SUPPLY_TYPEC_NONE:
*val = TYPEC_ACCESSORY_NONE;
break;
case QTI_POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER:
*val = TYPEC_ACCESSORY_AUDIO;
break;
case QTI_POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY:
*val = TYPEC_ACCESSORY_DEBUG;
break;
default:
*val = -EINVAL;
}
return 0;
}
int smblib_get_prop_typec_power_role(struct smb_charger *chg, int *val)
{
int rc = 0;
u8 ctrl;
if (chg->connector_type == QTI_POWER_SUPPLY_CONNECTOR_MICRO_USB) {
*val = QTI_POWER_SUPPLY_TYPEC_PR_NONE;
return 0;
}
spin_lock(&chg->typec_pr_lock);
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);
goto unlock;
}
smblib_dbg(chg, PR_REGISTER, "TYPE_C_MODE_CFG_REG = 0x%02x\n",
ctrl);
if (ctrl & TYPEC_DISABLE_CMD_BIT) {
*val = QTI_POWER_SUPPLY_TYPEC_PR_NONE;
goto unlock;
}
switch (ctrl & (EN_SRC_ONLY_BIT | EN_SNK_ONLY_BIT)) {
case 0:
*val = QTI_POWER_SUPPLY_TYPEC_PR_DUAL;
break;
case EN_SRC_ONLY_BIT:
*val = QTI_POWER_SUPPLY_TYPEC_PR_SOURCE;
break;
case EN_SNK_ONLY_BIT:
*val = QTI_POWER_SUPPLY_TYPEC_PR_SINK;
break;
default:
*val = QTI_POWER_SUPPLY_TYPEC_PR_NONE;
smblib_err(chg, "unsupported power role 0x%02lx\n",
ctrl & (EN_SRC_ONLY_BIT | EN_SNK_ONLY_BIT));
rc = -EINVAL;
goto unlock;
}
chg->power_role = *val;
unlock:
spin_unlock(&chg->typec_pr_lock);
return rc;
}
static inline bool typec_in_src_mode(struct smb_charger *chg)
{
return (chg->typec_mode > QTI_POWER_SUPPLY_TYPEC_NONE &&
chg->typec_mode < QTI_POWER_SUPPLY_TYPEC_SOURCE_DEFAULT);
}
int smblib_get_prop_typec_select_rp(struct smb_charger *chg,
int *val)
{
int rc, rp;
u8 stat;
if (!typec_in_src_mode(chg)) {
*val = -EINVAL;
return 0;
}
rc = smblib_read(chg, TYPE_C_CURRSRC_CFG_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_CURRSRC_CFG_REG rc=%d\n",
rc);
return rc;
}
switch (stat & TYPEC_SRC_RP_SEL_MASK) {
case TYPEC_SRC_RP_STD:
rp = QTI_POWER_SUPPLY_TYPEC_SRC_RP_STD;
break;
case TYPEC_SRC_RP_1P5A:
rp = QTI_POWER_SUPPLY_TYPEC_SRC_RP_1P5A;
break;
case TYPEC_SRC_RP_3A:
case TYPEC_SRC_RP_3A_DUPLICATE:
rp = QTI_POWER_SUPPLY_TYPEC_SRC_RP_3A;
break;
default:
return -EINVAL;
}
*val = rp;
return 0;
}
int smblib_get_prop_usb_current_now(struct smb_charger *chg,
union power_supply_propval *val)
{
union power_supply_propval pval = {0, };
int rc = 0, buck_scale = 1, boost_scale = 1;
if (chg->iio.usbin_i_chan) {
rc = iio_read_channel_processed(chg->iio.usbin_i_chan,
&val->intval);
if (rc < 0) {
pr_err("Error in reading USBIN_I channel, rc=%d\n", rc);
return rc;
}
/*
* For PM8150B, scaling factor = reciprocal of
* 0.2V/A in Buck mode, 0.4V/A in Boost mode.
* For PMI632, scaling factor = reciprocal of
* 0.4V/A in Buck mode, 0.8V/A in Boost mode.
*/
switch (chg->chg_param.smb_version) {
case PMI632:
buck_scale = 40;
boost_scale = 80;
break;
default:
buck_scale = 20;
boost_scale = 40;
break;
}
if (chg->otg_present || smblib_get_prop_dfp_mode(chg) !=
QTI_POWER_SUPPLY_TYPEC_NONE) {
val->intval = DIV_ROUND_CLOSEST(val->intval * 100,
boost_scale);
return rc;
}
rc = smblib_get_prop_usb_present(chg, &pval);
if (rc < 0) {
smblib_err(chg, "Couldn't get usb present status,rc=%d\n",
rc);
return -ENODATA;
}
/* If USB is not present, return 0 */
if (!pval.intval)
val->intval = 0;
else
val->intval = DIV_ROUND_CLOSEST(val->intval * 100,
buck_scale);
} else {
val->intval = 0;
rc = -ENODATA;
}
return rc;
}
int smblib_get_prop_low_power(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc;
u8 stat;
if (chg->sink_src_mode != SRC_MODE)
return -ENODATA;
rc = smblib_read(chg, TYPE_C_SRC_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_SRC_STATUS_REG rc=%d\n",
rc);
return rc;
}
val->intval = !(stat & SRC_HIGH_BATT_BIT);
return 0;
}
int smblib_get_prop_input_current_settled(struct smb_charger *chg,
union power_supply_propval *val)
{
return smblib_get_charge_param(chg, &chg->param.icl_stat, &val->intval);
}
int smblib_get_prop_input_current_max(struct smb_charger *chg,
union power_supply_propval *val)
{
int icl_ua = 0, rc;
rc = smblib_get_charge_param(chg, &chg->param.usb_icl, &icl_ua);
if (rc < 0)
return rc;
if (is_override_vote_enabled_locked(chg->usb_icl_votable) &&
icl_ua < USBIN_1000MA) {
val->intval = USBIN_1000MA;
return 0;
}
return smblib_get_charge_param(chg, &chg->param.icl_stat, &val->intval);
}
int smblib_get_prop_input_voltage_settled(struct smb_charger *chg,
int *val)
{
int rc, pulses;
int step_uv = HVDCP3_STEP_UV;
switch (chg->real_charger_type) {
case QTI_POWER_SUPPLY_TYPE_USB_HVDCP_3P5:
step_uv = HVDCP3P5_STEP_UV;
case QTI_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 = MICRO_5V + step_uv * pulses;
break;
case POWER_SUPPLY_TYPE_USB_PD:
*val = chg->voltage_min_uv;
break;
default:
*val = MICRO_5V;
break;
}
return 0;
}
int smblib_get_prop_pd_in_hard_reset(struct smb_charger *chg,
int *val)
{
*val = chg->pd_hard_reset;
return 0;
}
int smblib_get_pe_start(struct smb_charger *chg,
int *val)
{
*val = chg->ok_to_pd;
return 0;
}
int smblib_get_prop_smb_health(struct smb_charger *chg)
{
int rc, val;
int input_present;
rc = smblib_is_input_present(chg, &input_present);
if (rc < 0)
return rc;
if ((input_present == INPUT_NOT_PRESENT) || (!is_cp_available(chg)))
return POWER_SUPPLY_HEALTH_UNKNOWN;
rc = smblib_read_iio_prop(chg, CP, CP_DIE_TEMP, &val);
if (rc < 0) {
smblib_err(chg, "Couldn't get CP DIE_TEMP rc=%d\n", rc);
return rc;
}
if (val > SMB_TEMP_RST_THRESH)
return POWER_SUPPLY_HEALTH_OVERHEAT;
if (val > SMB_TEMP_REG_H_THRESH)
return POWER_SUPPLY_HEALTH_HOT;
if (val > SMB_TEMP_REG_L_THRESH)
return POWER_SUPPLY_HEALTH_WARM;
return POWER_SUPPLY_HEALTH_COOL;
}
static int smblib_get_prop_die_health(struct smb_charger *chg)
{
int rc;
u8 stat;
int input_present;
rc = smblib_is_input_present(chg, &input_present);
if (rc < 0)
return rc;
if (input_present == INPUT_NOT_PRESENT)
return POWER_SUPPLY_HEALTH_UNKNOWN;
if (chg->wa_flags & SW_THERM_REGULATION_WA) {
if (chg->die_temp == -ENODATA)
return POWER_SUPPLY_HEALTH_UNKNOWN;
if (chg->die_temp > DIE_TEMP_RST_THRESH)
return POWER_SUPPLY_HEALTH_OVERHEAT;
if (chg->die_temp > DIE_TEMP_REG_H_THRESH)
return POWER_SUPPLY_HEALTH_HOT;
if (chg->die_temp > DIE_TEMP_REG_L_THRESH)
return POWER_SUPPLY_HEALTH_WARM;
return POWER_SUPPLY_HEALTH_COOL;
}
rc = smblib_read(chg, DIE_TEMP_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read DIE_TEMP_STATUS_REG, rc=%d\n",
rc);
return POWER_SUPPLY_HEALTH_UNKNOWN;
}
if (stat & DIE_TEMP_RST_BIT)
return POWER_SUPPLY_HEALTH_OVERHEAT;
if (stat & DIE_TEMP_UB_BIT)
return POWER_SUPPLY_HEALTH_HOT;
if (stat & DIE_TEMP_LB_BIT)
return POWER_SUPPLY_HEALTH_WARM;
return POWER_SUPPLY_HEALTH_COOL;
}
int smblib_get_die_health(struct smb_charger *chg,
int *val)
{
if (chg->die_health == -EINVAL)
*val = smblib_get_prop_die_health(chg);
else
*val = chg->die_health;
return 0;
}
int smblib_get_prop_scope(struct smb_charger *chg,
union power_supply_propval *val)
{
int rc;
union power_supply_propval pval;
val->intval = POWER_SUPPLY_SCOPE_UNKNOWN;
rc = smblib_get_prop_usb_present(chg, &pval);
if (rc < 0)
return rc;
val->intval = pval.intval ? POWER_SUPPLY_SCOPE_DEVICE
: chg->otg_present ? POWER_SUPPLY_SCOPE_SYSTEM
: POWER_SUPPLY_SCOPE_UNKNOWN;
return 0;
}
static int smblib_get_typec_connector_temp_status(struct smb_charger *chg)
{
int rc;
u8 stat;
if (chg->connector_health != -EINVAL)
return chg->connector_health;
if (chg->wa_flags & SW_THERM_REGULATION_WA) {
if (chg->connector_temp == -ENODATA)
return POWER_SUPPLY_HEALTH_UNKNOWN;
if (chg->connector_temp > CONNECTOR_TEMP_RST_THRESH)
return POWER_SUPPLY_HEALTH_OVERHEAT;
if (chg->connector_temp > CONNECTOR_TEMP_REG_H_THRESH)
return POWER_SUPPLY_HEALTH_HOT;
if (chg->connector_temp > CONNECTOR_TEMP_REG_L_THRESH)
return POWER_SUPPLY_HEALTH_WARM;
return POWER_SUPPLY_HEALTH_COOL;
}
rc = smblib_read(chg, CONNECTOR_TEMP_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read CONNECTOR_TEMP_STATUS_REG, rc=%d\n",
rc);
return POWER_SUPPLY_HEALTH_UNKNOWN;
}
if (stat & CONNECTOR_TEMP_RST_BIT)
return POWER_SUPPLY_HEALTH_OVERHEAT;
if (stat & CONNECTOR_TEMP_UB_BIT)
return POWER_SUPPLY_HEALTH_HOT;
if (stat & CONNECTOR_TEMP_LB_BIT)
return POWER_SUPPLY_HEALTH_WARM;
return POWER_SUPPLY_HEALTH_COOL;
}
int smblib_get_skin_temp_status(struct smb_charger *chg)
{
int rc;
u8 stat;
if (!chg->en_skin_therm_mitigation)
return POWER_SUPPLY_HEALTH_UNKNOWN;
rc = smblib_read(chg, SKIN_TEMP_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read SKIN_TEMP_STATUS_REG, rc=%d\n",
rc);
return POWER_SUPPLY_HEALTH_UNKNOWN;
}
if (stat & SKIN_TEMP_RST_BIT)
return POWER_SUPPLY_HEALTH_OVERHEAT;
if (stat & SKIN_TEMP_UB_BIT)
return POWER_SUPPLY_HEALTH_HOT;
if (stat & SKIN_TEMP_LB_BIT)
return POWER_SUPPLY_HEALTH_WARM;
return POWER_SUPPLY_HEALTH_COOL;
}
int smblib_get_prop_connector_health(struct smb_charger *chg)
{
bool dc_present, usb_present;
int input_present;
int rc;
rc = smblib_is_input_present(chg, &input_present);
if (rc < 0)
return POWER_SUPPLY_HEALTH_UNKNOWN;
dc_present = input_present & INPUT_PRESENT_DC;
usb_present = input_present & INPUT_PRESENT_USB;
if (usb_present)
return smblib_get_typec_connector_temp_status(chg);
/*
* In PM8150B, SKIN channel measures Wireless charger receiver
* temp, used to regulate DC ICL.
*/
if (chg->chg_param.smb_version == PM8150B && dc_present)
return smblib_get_skin_temp_status(chg);
return POWER_SUPPLY_HEALTH_COOL;
}
static int get_rp_based_dcp_current(struct smb_charger *chg, int typec_mode)
{
int rp_ua;
switch (typec_mode) {
case QTI_POWER_SUPPLY_TYPEC_SOURCE_HIGH:
rp_ua = TYPEC_HIGH_CURRENT_UA;
break;
case QTI_POWER_SUPPLY_TYPEC_SOURCE_MEDIUM:
case QTI_POWER_SUPPLY_TYPEC_SOURCE_DEFAULT:
fallthrough;
default:
rp_ua = DCP_CURRENT_UA;
}
return rp_ua;
}
/*******************
* USB PSY SETTERS *
* *****************/
int smblib_set_prop_pd_current_max(struct smb_charger *chg,
int val)
{
int rc, icl;
if (chg->pd_active) {
icl = get_client_vote(chg->usb_icl_votable, PD_VOTER);
rc = vote(chg->usb_icl_votable, PD_VOTER, true, val);
if (val != icl)
power_supply_changed(chg->usb_psy);
} 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 == QTI_POWER_SUPPLY_TYPE_USB_FLOAT) {
if (usb_current == -ETIMEDOUT) {
if ((chg->float_cfg & FLOAT_OPTIONS_MASK)
== FORCE_FLOAT_SDP_CFG_BIT) {
/*
* Confiugure USB500 mode if Float charger is
* configured for SDP mode.
*/
rc = vote(chg->usb_icl_votable,
SW_ICL_MAX_VOTER, true, USBIN_500MA);
if (rc < 0)
smblib_err(chg,
"Couldn't set SDP ICL rc=%d\n",
rc);
return rc;
}
if (chg->connector_type ==
QTI_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,
int val)
{
union power_supply_propval pval;
int rc = 0;
if (!chg->pd_active) {
rc = smblib_get_prop_usb_present(chg, &pval);
if (rc < 0) {
smblib_err(chg, "Couldn't get usb present rc = %d\n",
rc);
return rc;
}
/* handle the request only when USB is present */
if (pval.intval)
rc = smblib_handle_usb_current(chg, val);
} else if (chg->system_suspend_supported) {
if (val <= USBIN_25MA)
rc = vote(chg->usb_icl_votable,
PD_SUSPEND_SUPPORTED_VOTER, true, val);
else
rc = vote(chg->usb_icl_votable,
PD_SUSPEND_SUPPORTED_VOTER, false, 0);
}
return rc;
}
int smblib_set_prop_usb_voltage_max_limit(struct smb_charger *chg,
int val)
{
union power_supply_propval pval = {0, };
/* Exit if same value is re-configured */
if (val == chg->usbin_forced_max_uv)
return 0;
smblib_get_prop_usb_voltage_max_design(chg, &pval);
if (val >= MICRO_5V && val <= pval.intval) {
chg->usbin_forced_max_uv = val;
smblib_dbg(chg, PR_MISC, "Max VBUS limit changed to: %d\n",
val);
} else if (chg->usbin_forced_max_uv) {
chg->usbin_forced_max_uv = 0;
} else {
return 0;
}
power_supply_changed(chg->usb_psy);
return 0;
}
static void smblib_typec_irq_config(struct smb_charger *chg, bool en)
{
if (en == chg->typec_irq_en)
return;
if (en) {
enable_irq(
chg->irq_info[TYPEC_ATTACH_DETACH_IRQ].irq);
enable_irq(
chg->irq_info[TYPEC_CC_STATE_CHANGE_IRQ].irq);
enable_irq(
chg->irq_info[TYPEC_OR_RID_DETECTION_CHANGE_IRQ].irq);
} else {
disable_irq_nosync(
chg->irq_info[TYPEC_ATTACH_DETACH_IRQ].irq);
disable_irq_nosync(
chg->irq_info[TYPEC_CC_STATE_CHANGE_IRQ].irq);
disable_irq_nosync(
chg->irq_info[TYPEC_OR_RID_DETECTION_CHANGE_IRQ].irq);
}
chg->typec_irq_en = en;
}
#define PR_LOCK_TIMEOUT_MS 1000
int smblib_set_prop_typec_power_role(struct smb_charger *chg, int val)
{
int rc = 0;
u8 power_role;
enum power_supply_typec_mode typec_mode;
bool snk_attached = false, src_attached = false, is_pr_lock = false;
if (chg->connector_type == QTI_POWER_SUPPLY_CONNECTOR_MICRO_USB)
return 0;
spin_lock(&chg->typec_pr_lock);
smblib_dbg(chg, PR_MISC, "power role change: %d --> %d!",
chg->power_role, val);
/* Force the power-role if the initial value is NONE, for the legacy cable detection WA. */
if (chg->power_role == val && chg->power_role != QTI_POWER_SUPPLY_TYPEC_PR_NONE) {
smblib_dbg(chg, PR_MISC, "power role already in %d, ignore!",
chg->power_role);
goto unlock;
}
typec_mode = smblib_get_prop_typec_mode(chg);
if (typec_mode >= QTI_POWER_SUPPLY_TYPEC_SINK &&
typec_mode <= QTI_POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER)
snk_attached = true;
else if (typec_mode >= QTI_POWER_SUPPLY_TYPEC_SOURCE_DEFAULT &&
typec_mode <= QTI_POWER_SUPPLY_TYPEC_SOURCE_HIGH)
src_attached = true;
/*
* If current power role is in DRP, and type-c is already in the
* mode (source or sink) that's being requested, it means this is
* a power role locking request from USBPD driver. Disable type-c
* related interrupts for locking power role to avoid the redundant
* notifications.
*/
if ((chg->power_role == QTI_POWER_SUPPLY_TYPEC_PR_DUAL) &&
((src_attached && val == QTI_POWER_SUPPLY_TYPEC_PR_SINK) ||
(snk_attached && val == QTI_POWER_SUPPLY_TYPEC_PR_SOURCE)))
is_pr_lock = true;
smblib_dbg(chg, PR_MISC, "snk_attached = %d, src_attached = %d, is_pr_lock = %d\n",
snk_attached, src_attached, is_pr_lock);
cancel_delayed_work(&chg->pr_lock_clear_work);
if (!chg->pr_lock_in_progress && is_pr_lock) {
smblib_dbg(chg, PR_MISC, "disable type-c interrupts for power role locking\n");
smblib_typec_irq_config(chg, false);
schedule_delayed_work(&chg->pr_lock_clear_work,
msecs_to_jiffies(PR_LOCK_TIMEOUT_MS));
} else if (chg->pr_lock_in_progress && !is_pr_lock) {
smblib_dbg(chg, PR_MISC, "restore type-c interrupts after exit power role locking\n");
smblib_typec_irq_config(chg, true);
}
chg->pr_lock_in_progress = is_pr_lock;
switch (val) {
case QTI_POWER_SUPPLY_TYPEC_PR_NONE:
power_role = TYPEC_DISABLE_CMD_BIT;
break;
case QTI_POWER_SUPPLY_TYPEC_PR_DUAL:
power_role = chg->typec_try_mode;
break;
case QTI_POWER_SUPPLY_TYPEC_PR_SINK:
power_role = EN_SNK_ONLY_BIT;
break;
case QTI_POWER_SUPPLY_TYPEC_PR_SOURCE:
power_role = EN_SRC_ONLY_BIT;
break;
default:
smblib_err(chg, "power role %d not supported\n", val);
rc = -EINVAL;
goto unlock;
}
rc = smblib_masked_write(chg, TYPE_C_MODE_CFG_REG,
TYPEC_POWER_ROLE_CMD_MASK | TYPEC_TRY_MODE_MASK,
power_role);
if (rc < 0) {
smblib_err(chg, "Couldn't write 0x%02x to TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n",
power_role, rc);
goto unlock;
}
chg->power_role = val;
unlock:
spin_unlock(&chg->typec_pr_lock);
return rc;
}
int smblib_set_prop_typec_select_rp(struct smb_charger *chg,
int val)
{
int rc;
if (!typec_in_src_mode(chg)) {
smblib_err(chg, "Couldn't set curr src: not in SRC mode\n");
return -EINVAL;
}
if (val < TYPEC_SRC_RP_MAX_ELEMENTS) {
rc = smblib_masked_write(chg, TYPE_C_CURRSRC_CFG_REG,
TYPEC_SRC_RP_SEL_MASK,
val);
if (rc < 0)
smblib_err(chg, "Couldn't write to TYPE_C_CURRSRC_CFG rc=%d\n",
rc);
return rc;
}
return -EINVAL;
}
int smblib_set_prop_pd_voltage_min(struct smb_charger *chg,
int val)
{
int rc, min_uv;
min_uv = min(val, chg->voltage_max_uv);
if (chg->voltage_min_uv == min_uv)
return 0;
rc = smblib_set_usb_pd_allowed_voltage(chg, min_uv,
chg->voltage_max_uv);
if (rc < 0) {
smblib_err(chg, "invalid min voltage %duV rc=%d\n",
val, rc);
return rc;
}
chg->voltage_min_uv = min_uv;
power_supply_changed(chg->batt_psy);
return rc;
}
int smblib_set_prop_pd_voltage_max(struct smb_charger *chg,
int val)
{
int rc, max_uv;
max_uv = max(val, chg->voltage_min_uv);
if (chg->voltage_max_uv == max_uv)
return 0;
rc = smblib_set_usb_pd_fsw(chg, max_uv);
if (rc < 0) {
smblib_err(chg, "Couldn't set FSW for voltage %duV rc=%d\n",
val, rc);
return rc;
}
rc = smblib_set_usb_pd_allowed_voltage(chg, chg->voltage_min_uv,
max_uv);
if (rc < 0) {
smblib_err(chg, "invalid max voltage %duV rc=%d\n",
val, rc);
return rc;
}
chg->voltage_max_uv = max_uv;
power_supply_changed(chg->batt_psy);
return rc;
}
int smblib_set_prop_pd_active(struct smb_charger *chg,
int val)
{
const struct apsd_result *apsd = smblib_get_apsd_result(chg);
int rc = 0;
int sec_charger, typec_mode;
/*
* Ignore repetitive notification while PD is active, which
* is caused by hard reset.
*/
if (chg->pd_active && chg->pd_active == val)
return 0;
chg->pd_active = val;
smblib_apsd_enable(chg, !chg->pd_active);
update_sw_icl_max(chg, apsd->val);
if (chg->pd_active) {
vote(chg->limited_irq_disable_votable, CHARGER_TYPE_VOTER,
false, 0);
vote(chg->hdc_irq_disable_votable, CHARGER_TYPE_VOTER,
false, 0);
/*
* Enforce 100mA for PD until the real vote comes in later.
* It is guaranteed that pd_active is set prior to
* pd_current_max
*/
vote(chg->usb_icl_votable, PD_VOTER, true, USBIN_100MA);
vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0);
vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, false, 0);
/*
* For PPS, Charge Pump is preferred over parallel charger if
* present.
*/
if (chg->pd_active == QTI_POWER_SUPPLY_PD_PPS_ACTIVE
&& chg->sec_cp_present) {
rc = smblib_select_sec_charger(chg,
QTI_POWER_SUPPLY_CHARGER_SEC_CP,
QTI_POWER_SUPPLY_CP_PPS, false);
if (rc < 0)
dev_err(chg->dev, "Couldn't enable secondary charger rc=%d\n",
rc);
}
} else {
vote(chg->usb_icl_votable, PD_VOTER, false, 0);
vote(chg->limited_irq_disable_votable, CHARGER_TYPE_VOTER,
true, 0);
vote(chg->hdc_irq_disable_votable, CHARGER_TYPE_VOTER,
true, 0);
sec_charger = chg->sec_pl_present ?
QTI_POWER_SUPPLY_CHARGER_SEC_PL :
QTI_POWER_SUPPLY_CHARGER_SEC_NONE;
rc = smblib_select_sec_charger(chg, sec_charger,
QTI_POWER_SUPPLY_CP_NONE, false);
if (rc < 0)
dev_err(chg->dev,
"Couldn't enable secondary charger rc=%d\n",
rc);
/* PD hard resets failed, proceed to detect QC2/3 */
if (chg->ok_to_pd) {
chg->ok_to_pd = false;
smblib_hvdcp_detect_try_enable(chg, true);
}
}
smblib_usb_pd_adapter_allowance_override(chg,
!!chg->pd_active ? FORCE_5V : FORCE_NULL);
smblib_update_usb_type(chg);
if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB &&
!chg->ok_to_pd) {
typec_mode = smblib_get_prop_typec_mode(chg);
if (typec_rp_med_high(chg, typec_mode))
vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0);
}
power_supply_changed(chg->usb_psy);
return rc;
}
int smblib_set_prop_ship_mode(struct smb_charger *chg,
int val)
{
int rc;
smblib_dbg(chg, PR_MISC, "Set ship mode: %d!!\n", !!val);
rc = smblib_masked_write(chg, SHIP_MODE_REG, SHIP_MODE_EN_BIT,
!!val ? SHIP_MODE_EN_BIT : 0);
if (rc < 0)
dev_err(chg->dev, "Couldn't %s ship mode, rc=%d\n",
!!val ? "enable" : "disable", rc);
return rc;
}
int smblib_set_prop_pd_in_hard_reset(struct smb_charger *chg,
int val)
{
int rc = 0;
if (chg->pd_hard_reset == val)
return rc;
chg->pd_hard_reset = val;
rc = smblib_masked_write(chg, TYPE_C_EXIT_STATE_CFG_REG,
EXIT_SNK_BASED_ON_CC_BIT,
(chg->pd_hard_reset) ? EXIT_SNK_BASED_ON_CC_BIT : 0);
if (rc < 0)
smblib_err(chg, "Couldn't set EXIT_SNK_BASED_ON_CC rc=%d\n",
rc);
return rc;
}
#define JEITA_SOFT 0
#define JEITA_HARD 1
static int smblib_update_jeita(struct smb_charger *chg, u32 *thresholds,
int type)
{
int rc;
u16 temp, base;
base = CHGR_JEITA_THRESHOLD_BASE_REG(type);
temp = thresholds[1] & 0xFFFF;
temp = ((temp & 0xFF00) >> 8) | ((temp & 0xFF) << 8);
rc = smblib_batch_write(chg, base, (u8 *)&temp, 2);
if (rc < 0) {
smblib_err(chg,
"Couldn't configure Jeita %s hot threshold rc=%d\n",
(type == JEITA_SOFT) ? "Soft" : "Hard", rc);
return rc;
}
temp = thresholds[0] & 0xFFFF;
temp = ((temp & 0xFF00) >> 8) | ((temp & 0xFF) << 8);
rc = smblib_batch_write(chg, base + 2, (u8 *)&temp, 2);
if (rc < 0) {
smblib_err(chg,
"Couldn't configure Jeita %s cold threshold rc=%d\n",
(type == JEITA_SOFT) ? "Soft" : "Hard", rc);
return rc;
}
smblib_dbg(chg, PR_MISC, "%s Jeita threshold configured\n",
(type == JEITA_SOFT) ? "Soft" : "Hard");
return 0;
}
static int smblib_charge_inhibit_en(struct smb_charger *chg, bool enable)
{
int rc;
rc = smblib_masked_write(chg, CHGR_CFG2_REG,
CHARGER_INHIBIT_BIT,
enable ? CHARGER_INHIBIT_BIT : 0);
return rc;
}
static int smblib_soft_jeita_arb_wa(struct smb_charger *chg)
{
union power_supply_propval pval;
int rc = 0;
bool soft_jeita;
rc = smblib_get_prop_batt_health(chg, &pval);
if (rc < 0) {
smblib_err(chg, "Couldn't get battery health rc=%d\n", rc);
return rc;
}
/* Do nothing on entering hard JEITA condition */
if (pval.intval == POWER_SUPPLY_HEALTH_COLD ||
pval.intval == POWER_SUPPLY_HEALTH_HOT)
return 0;
if (chg->jeita_soft_fcc[0] < 0 || chg->jeita_soft_fcc[1] < 0 ||
chg->jeita_soft_fv[0] < 0 || chg->jeita_soft_fv[1] < 0)
return 0;
soft_jeita = (pval.intval == POWER_SUPPLY_HEALTH_COOL) ||
(pval.intval == POWER_SUPPLY_HEALTH_WARM);
/* Do nothing on entering soft JEITA from hard JEITA */
if (chg->jeita_arb_flag && soft_jeita)
return 0;
/* Do nothing, initial to health condition */
if (!chg->jeita_arb_flag && !soft_jeita)
return 0;
/* Entering soft JEITA from normal state */
if (!chg->jeita_arb_flag && soft_jeita) {
vote(chg->chg_disable_votable, JEITA_ARB_VOTER, true, 0);
rc = smblib_charge_inhibit_en(chg, true);
if (rc < 0)
smblib_err(chg, "Couldn't enable charge inhibit rc=%d\n",
rc);
rc = smblib_update_jeita(chg, chg->jeita_soft_hys_thlds,
JEITA_SOFT);
if (rc < 0)
smblib_err(chg,
"Couldn't configure Jeita soft threshold rc=%d\n",
rc);
if (pval.intval == POWER_SUPPLY_HEALTH_COOL) {
vote(chg->fcc_votable, JEITA_ARB_VOTER, true,
chg->jeita_soft_fcc[0]);
vote(chg->fv_votable, JEITA_ARB_VOTER, true,
chg->jeita_soft_fv[0]);
} else {
vote(chg->fcc_votable, JEITA_ARB_VOTER, true,
chg->jeita_soft_fcc[1]);
vote(chg->fv_votable, JEITA_ARB_VOTER, true,
chg->jeita_soft_fv[1]);
}
vote(chg->chg_disable_votable, JEITA_ARB_VOTER, false, 0);
chg->jeita_arb_flag = true;
} else if (chg->jeita_arb_flag && !soft_jeita) {
/* Exit to health state from soft JEITA */
vote(chg->chg_disable_votable, JEITA_ARB_VOTER, true, 0);
rc = smblib_charge_inhibit_en(chg, false);
if (rc < 0)
smblib_err(chg, "Couldn't disable charge inhibit rc=%d\n",
rc);
rc = smblib_update_jeita(chg, chg->jeita_soft_thlds,
JEITA_SOFT);
if (rc < 0)
smblib_err(chg, "Couldn't configure Jeita soft threshold rc=%d\n",
rc);
vote(chg->fcc_votable, JEITA_ARB_VOTER, false, 0);
vote(chg->fv_votable, JEITA_ARB_VOTER, false, 0);
vote(chg->chg_disable_votable, JEITA_ARB_VOTER, false, 0);
chg->jeita_arb_flag = false;
}
smblib_dbg(chg, PR_MISC, "JEITA ARB status %d, soft JEITA status %d\n",
chg->jeita_arb_flag, soft_jeita);
return rc;
}
/************************
* USB MAIN PSY GETTERS *
************************/
int smblib_get_prop_fcc_delta(struct smb_charger *chg,
int *val)
{
int rc, jeita_cc_delta_ua = 0;
if (chg->sw_jeita_enabled) {
*val = 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 = jeita_cc_delta_ua;
return 0;
}
/************************
* USB MAIN PSY SETTERS *
************************/
int smblib_get_charge_current(struct smb_charger *chg,
int *total_current_ua)
{
const struct apsd_result *apsd_result = smblib_get_apsd_result(chg);
union power_supply_propval val = {0, };
int rc = 0, typec_source_rd, current_ua;
bool non_compliant;
u8 stat;
if (chg->pd_active) {
*total_current_ua =
get_client_vote_locked(chg->usb_icl_votable, PD_VOTER);
return rc;
}
rc = smblib_read(chg, LEGACY_CABLE_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_STATUS_5 rc=%d\n", rc);
return rc;
}
non_compliant = stat & TYPEC_NONCOMP_LEGACY_CABLE_STATUS_BIT;
/* get settled ICL */
rc = smblib_get_prop_input_current_settled(chg, &val);
if (rc < 0) {
smblib_err(chg, "Couldn't get settled ICL rc=%d\n", rc);
return rc;
}
typec_source_rd = smblib_get_prop_ufp_mode(chg);
/* QC 2.0/3.0 adapter */
if (apsd_result->bit & (QC_3P0_BIT | QC_2P0_BIT)) {
*total_current_ua = HVDCP_CURRENT_UA;
return 0;
}
if (non_compliant && !chg->typec_legacy_use_rp_icl) {
switch (apsd_result->bit) {
case CDP_CHARGER_BIT:
current_ua = CDP_CURRENT_UA;
break;
case DCP_CHARGER_BIT:
case OCP_CHARGER_BIT:
case FLOAT_CHARGER_BIT:
current_ua = DCP_CURRENT_UA;
break;
default:
current_ua = 0;
break;
}
*total_current_ua = max(current_ua, val.intval);
return 0;
}
switch (typec_source_rd) {
case QTI_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 QTI_POWER_SUPPLY_TYPEC_SOURCE_MEDIUM:
current_ua = TYPEC_MEDIUM_CURRENT_UA;
break;
case QTI_POWER_SUPPLY_TYPEC_SOURCE_HIGH:
current_ua = TYPEC_HIGH_CURRENT_UA;
break;
case QTI_POWER_SUPPLY_TYPEC_NON_COMPLIANT:
case QTI_POWER_SUPPLY_TYPEC_NONE:
default:
current_ua = 0;
break;
}
*total_current_ua = max(current_ua, val.intval);
return 0;
}
#define IADP_OVERHEAT_UA 500000
int smblib_set_prop_thermal_overheat(struct smb_charger *chg,
int therm_overheat)
{
int icl_ua = 0;
if (chg->thermal_overheat == !!therm_overheat)
return 0;
/* Configure ICL to 500mA in case system health is Overheat */
if (therm_overheat)
icl_ua = IADP_OVERHEAT_UA;
if (!chg->cp_disable_votable)
chg->cp_disable_votable = find_votable("CP_DISABLE");
if (chg->cp_disable_votable) {
vote(chg->cp_disable_votable, OVERHEAT_LIMIT_VOTER,
therm_overheat, 0);
vote(chg->usb_icl_votable, OVERHEAT_LIMIT_VOTER,
therm_overheat, icl_ua);
}
chg->thermal_overheat = !!therm_overheat;
return 0;
}
/**********************
* INTERRUPT HANDLERS *
**********************/
irqreturn_t smb5_default_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name);
return IRQ_HANDLED;
}
irqreturn_t smb5_smb_en_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
int rc, input_present;
if (!chg->cp_disable_votable) {
chg->cp_disable_votable = find_votable("CP_DISABLE");
if (!chg->cp_disable_votable)
return IRQ_HANDLED;
}
if (chg->pd_hard_reset) {
vote(chg->cp_disable_votable, BOOST_BACK_VOTER, true, 0);
return IRQ_HANDLED;
}
rc = smblib_is_input_present(chg, &input_present);
if (rc < 0) {
pr_err("Couldn't get usb presence status rc=%d\n", rc);
return IRQ_HANDLED;
}
if (input_present) {
/*
* Add some delay to enable SMB1390 switcher after SMB_EN
* pin goes high
*/
usleep_range(1000, 1100);
vote(chg->cp_disable_votable, BOOST_BACK_VOTER, false, 0);
}
return IRQ_HANDLED;
}
irqreturn_t smb5_sdam_sts_change_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name);
mutex_lock(&chg->irq_status_lock);
chg->irq_status |= PULSE_SKIP_IRQ_BIT;
mutex_unlock(&chg->irq_status_lock);
power_supply_changed(chg->batt_psy);
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, SMB5_QG_REAL_CAPACITY, &pval.intval);
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) &&
(ktime_to_ms(alarm_expires_remaining(/* alarm not pending */
&chg->chg_termination_alarm)) <= 0)) {
chg->cc_soc_ref = 0;
chg->last_cc_soc = 0;
chg->term_vbat_uv = 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;
chg->term_vbat_uv = 0;
}
}
irqreturn_t smb5_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 smb5_batt_temp_changed_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
int rc;
smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name);
if (chg->jeita_configured != JEITA_CFG_COMPLETE)
return IRQ_HANDLED;
rc = smblib_soft_jeita_arb_wa(chg);
if (rc < 0) {
smblib_err(chg, "Couldn't fix soft jeita arb rc=%d\n",
rc);
return IRQ_HANDLED;
}
return IRQ_HANDLED;
}
irqreturn_t smb5_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 smb5_usbin_uv_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
struct storm_watch *wdata;
const struct apsd_result *apsd = smblib_get_apsd_result(chg);
int rc;
u8 stat = 0, max_pulses = 0;
smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name);
if ((chg->wa_flags & WEAK_ADAPTER_WA)
&& is_storming(&irq_data->storm_data)) {
if (chg->aicl_max_reached) {
smblib_dbg(chg, PR_MISC,
"USBIN_UV storm at max AICL threshold\n");
return IRQ_HANDLED;
}
smblib_dbg(chg, PR_MISC, "USBIN_UV storm at threshold %d\n",
chg->aicl_5v_threshold_mv);
/* suspend USBIN before updating AICL threshold */
vote(chg->usb_icl_votable, AICL_THRESHOLD_VOTER, true, 0);
/* delay for VASHDN deglitch */
msleep(20);
if (chg->aicl_5v_threshold_mv > MAX_AICL_THRESHOLD_MV) {
/* reached max AICL threshold */
chg->aicl_max_reached = true;
goto unsuspend_input;
}
/* Increase AICL threshold by 200mV */
rc = smblib_set_charge_param(chg, &chg->param.aicl_5v_threshold,
chg->aicl_5v_threshold_mv + AICL_STEP_MV);
if (rc < 0)
dev_err(chg->dev,
"Error in setting AICL threshold rc=%d\n", rc);
else
chg->aicl_5v_threshold_mv += AICL_STEP_MV;
rc = smblib_set_charge_param(chg,
&chg->param.aicl_cont_threshold,
chg->aicl_cont_threshold_mv + AICL_STEP_MV);
if (rc < 0)
dev_err(chg->dev,
"Error in setting AICL threshold rc=%d\n", rc);
else
chg->aicl_cont_threshold_mv += AICL_STEP_MV;
unsuspend_input:
/* Force torch in boost mode to ensure it works with low ICL */
if (chg->chg_param.smb_version == PMI632)
schgm_flash_torch_priority(chg, TORCH_BOOST_MODE);
if (chg->aicl_max_reached) {
smblib_dbg(chg, PR_MISC,
"Reached max AICL threshold resctricting ICL to 100mA\n");
vote(chg->usb_icl_votable, AICL_THRESHOLD_VOTER,
true, USBIN_100MA);
smblib_run_aicl(chg, RESTART_AICL);
} else {
smblib_run_aicl(chg, RESTART_AICL);
vote(chg->usb_icl_votable, AICL_THRESHOLD_VOTER,
false, 0);
}
wdata = &chg->irq_info[USBIN_UV_IRQ].irq_data->storm_data;
reset_storm_count(wdata);
}
if (!chg->irq_info[SWITCHER_POWER_OK_IRQ].irq_data)
return IRQ_HANDLED;
wdata = &chg->irq_info[SWITCHER_POWER_OK_IRQ].irq_data->storm_data;
reset_storm_count(wdata);
/* Workaround for non-QC2.0-compliant chargers follows */
if (!chg->qc2_unsupported_voltage &&
apsd->val == QTI_POWER_SUPPLY_TYPE_USB_HVDCP) {
rc = smblib_read(chg, QC_CHANGE_STATUS_REG, &stat);
if (rc < 0)
smblib_err(chg,
"Couldn't read CHANGE_STATUS_REG rc=%d\n", rc);
if (stat & QC_5V_BIT)
return IRQ_HANDLED;
rc = smblib_read(chg, HVDCP_PULSE_COUNT_MAX_REG, &max_pulses);
if (rc < 0)
smblib_err(chg,
"Couldn't read QC2 max pulses rc=%d\n", rc);
chg->qc2_max_pulses = (max_pulses &
HVDCP_PULSE_COUNT_MAX_QC2_MASK);
if (stat & QC_12V_BIT) {
chg->qc2_unsupported_voltage = QC2_NON_COMPLIANT_12V;
rc = smblib_masked_write(chg, HVDCP_PULSE_COUNT_MAX_REG,
HVDCP_PULSE_COUNT_MAX_QC2_MASK,
HVDCP_PULSE_COUNT_MAX_QC2_9V);
if (rc < 0)
smblib_err(chg, "Couldn't force max pulses to 9V rc=%d\n",
rc);
} else if (stat & QC_9V_BIT) {
chg->qc2_unsupported_voltage = QC2_NON_COMPLIANT_9V;
rc = smblib_masked_write(chg, HVDCP_PULSE_COUNT_MAX_REG,
HVDCP_PULSE_COUNT_MAX_QC2_MASK,
HVDCP_PULSE_COUNT_MAX_QC2_5V);
if (rc < 0)
smblib_err(chg, "Couldn't force max pulses to 5V rc=%d\n",
rc);
}
rc = smblib_masked_write(chg, USBIN_AICL_OPTIONS_CFG_REG,
SUSPEND_ON_COLLAPSE_USBIN_BIT,
0);
if (rc < 0)
smblib_err(chg, "Couldn't turn off SUSPEND_ON_COLLAPSE_USBIN_BIT rc=%d\n",
rc);
smblib_rerun_apsd(chg);
}
return IRQ_HANDLED;
}
#define USB_WEAK_INPUT_UA 1400000
#define ICL_CHANGE_DELAY_MS 1000
irqreturn_t smb5_icl_change_irq_handler(int irq, void *data)
{
u8 stat;
int rc, settled_ua, delay = ICL_CHANGE_DELAY_MS;
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
if (chg->mode == PARALLEL_MASTER) {
/*
* Ignore if change in ICL is due to DIE temp mitigation.
* This is to prevent any further ICL split.
*/
if (chg->hw_die_temp_mitigation) {
rc = smblib_read(chg, DIE_TEMP_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg,
"Couldn't read DIE_TEMP rc=%d\n", rc);
return IRQ_HANDLED;
}
if (stat & (DIE_TEMP_UB_BIT | DIE_TEMP_LB_BIT)) {
smblib_dbg(chg, PR_PARALLEL,
"skip ICL change DIE_TEMP %x\n", stat);
return IRQ_HANDLED;
}
}
rc = smblib_read(chg, AICL_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read AICL_STATUS rc=%d\n",
rc);
return IRQ_HANDLED;
}
rc = smblib_get_charge_param(chg, &chg->param.icl_stat,
&settled_ua);
if (rc < 0) {
smblib_err(chg, "Couldn't get ICL status rc=%d\n", rc);
return IRQ_HANDLED;
}
/* If AICL settled then schedule work now */
if (settled_ua == get_effective_result(chg->usb_icl_votable))
delay = 0;
cancel_delayed_work_sync(&chg->icl_change_work);
schedule_delayed_work(&chg->icl_change_work,
msecs_to_jiffies(delay));
}
return IRQ_HANDLED;
}
static int smblib_role_switch_failure(struct smb_charger *chg)
{
int rc = 0;
union power_supply_propval pval = {0, };
if (!chg->use_extcon)
return 0;
rc = smblib_get_prop_usb_present(chg, &pval);
if (rc < 0) {
smblib_err(chg, "Couldn't get usb presence status rc=%d\n",
rc);
return rc;
}
/*
* When role switch fails notify the
* current charger state to usb driver.
*/
if (pval.intval) {
smblib_dbg(chg, PR_MISC, " Role reversal failed, notifying device mode to usb driver.\n");
smblib_notify_device_mode(chg, true);
}
return rc;
}
static int typec_partner_register(struct smb_charger *chg)
{
int typec_mode, rc = 0;
mutex_lock(&chg->typec_lock);
if (!chg->typec_port || chg->pr_swap_in_progress)
goto unlock;
if (!chg->typec_partner) {
if (chg->sink_src_mode == AUDIO_ACCESS_MODE)
chg->typec_partner_desc.accessory =
TYPEC_ACCESSORY_AUDIO;
else
chg->typec_partner_desc.accessory =
TYPEC_ACCESSORY_NONE;
chg->typec_partner = typec_register_partner(chg->typec_port,
&chg->typec_partner_desc);
if (IS_ERR(chg->typec_partner)) {
rc = PTR_ERR(chg->typec_partner);
pr_err("failed to register typec_partner rc=%d\n", rc);
goto unlock;
}
}
typec_mode = smblib_get_prop_typec_mode(chg);
if (typec_mode >= QTI_POWER_SUPPLY_TYPEC_SOURCE_DEFAULT
|| typec_mode == QTI_POWER_SUPPLY_TYPEC_NONE) {
if (chg->typec_role_swap_failed) {
rc = smblib_role_switch_failure(chg);
if (rc < 0)
smblib_err(chg, "Failed to role switch rc=%d\n",
rc);
chg->typec_role_swap_failed = false;
}
typec_set_data_role(chg->typec_port, TYPEC_DEVICE);
typec_set_pwr_role(chg->typec_port, TYPEC_SINK);
} else {
typec_set_data_role(chg->typec_port, TYPEC_HOST);
typec_set_pwr_role(chg->typec_port, TYPEC_SOURCE);
}
unlock:
mutex_unlock(&chg->typec_lock);
return rc;
}
static void typec_partner_unregister(struct smb_charger *chg)
{
mutex_lock(&chg->typec_lock);
if (!chg->typec_port)
goto unlock;
if (chg->typec_partner && !chg->pr_swap_in_progress) {
smblib_dbg(chg, PR_MISC, "Un-registering typeC partner\n");
typec_unregister_partner(chg->typec_partner);
chg->typec_partner = NULL;
}
unlock:
mutex_unlock(&chg->typec_lock);
}
static void smblib_micro_usb_plugin(struct smb_charger *chg, bool vbus_rising)
{
int rc = 0;
if (!vbus_rising) {
smblib_update_usb_type(chg);
smblib_notify_device_mode(chg, false);
smblib_uusb_removal(chg);
typec_partner_unregister(chg);
} else {
rc = typec_partner_register(chg);
if (rc < 0)
smblib_err(chg, "Couldn't register partner rc =%d\n",
rc);
}
}
static 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
static 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) {
cancel_delayed_work_sync(&chg->pr_swap_detach_work);
vote(chg->awake_votable, DETACH_DETECT_VOTER, false, 0);
rc = smblib_request_dpdm(chg, true);
if (rc < 0)
smblib_err(chg, "Couldn't to enable DPDM rc=%d\n", rc);
/* Enable SW Thermal regulation */
rc = smblib_set_sw_thermal_regulation(chg, true);
if (rc < 0)
smblib_err(chg, "Couldn't start SW thermal regulation WA, rc=%d\n",
rc);
/* Remove FCC_STEPPER 1.5A init vote to allow FCC ramp up */
if (chg->fcc_stepper_enable)
vote(chg->fcc_votable, FCC_STEPPER_VOTER, false, 0);
/* Schedule work to enable parallel charger */
vote(chg->awake_votable, PL_DELAY_VOTER, true, 0);
schedule_delayed_work(&chg->pl_enable_work,
msecs_to_jiffies(PL_DELAY_MS));
} else {
/* Disable SW Thermal Regulation */
rc = smblib_set_sw_thermal_regulation(chg, false);
if (rc < 0)
smblib_err(chg, "Couldn't stop SW thermal regulation WA, rc=%d\n",
rc);
if (chg->wa_flags & BOOST_BACK_WA) {
data = chg->irq_info[SWITCHER_POWER_OK_IRQ].irq_data;
if (data) {
wdata = &data->storm_data;
update_storm_count(wdata,
WEAK_CHG_STORM_COUNT);
vote(chg->usb_icl_votable, BOOST_BACK_VOTER,
false, 0);
vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER,
false, 0);
}
}
/* Force 1500mA FCC on removal if fcc stepper is enabled */
if (chg->fcc_stepper_enable)
vote(chg->fcc_votable, FCC_STEPPER_VOTER,
true, 1500000);
if (chg->wa_flags & WEAK_ADAPTER_WA) {
chg->aicl_5v_threshold_mv =
chg->default_aicl_5v_threshold_mv;
chg->aicl_cont_threshold_mv =
chg->default_aicl_cont_threshold_mv;
smblib_set_charge_param(chg,
&chg->param.aicl_5v_threshold,
chg->aicl_5v_threshold_mv);
smblib_set_charge_param(chg,
&chg->param.aicl_cont_threshold,
chg->aicl_cont_threshold_mv);
chg->aicl_max_reached = false;
if (chg->chg_param.smb_version == PMI632)
schgm_flash_torch_priority(chg,
TORCH_BUCK_MODE);
data = chg->irq_info[USBIN_UV_IRQ].irq_data;
if (data) {
wdata = &data->storm_data;
reset_storm_count(wdata);
}
vote(chg->usb_icl_votable, AICL_THRESHOLD_VOTER,
false, 0);
}
rc = smblib_request_dpdm(chg, false);
if (rc < 0)
smblib_err(chg, "Couldn't disable DPDM rc=%d\n", rc);
smblib_update_usb_type(chg);
}
if (chg->connector_type == QTI_POWER_SUPPLY_CONNECTOR_MICRO_USB)
smblib_micro_usb_plugin(chg, vbus_rising);
vote(chg->temp_change_irq_disable_votable, DEFAULT_VOTER,
!vbus_rising, 0);
power_supply_changed(chg->usb_psy);
smblib_dbg(chg, PR_INTERRUPT, "IRQ: usbin-plugin %s\n",
vbus_rising ? "attached" : "detached");
}
irqreturn_t smb5_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 APSD_EXTENDED_TIMEOUT_MS 400
/* triggers when HVDCP 3.0 authentication has finished */
static void smblib_handle_hvdcp_3p0_auth_done(struct smb_charger *chg,
bool rising)
{
const struct apsd_result *apsd_result;
int rc;
if (!rising)
return;
if (chg->mode == PARALLEL_MASTER)
vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, true, 0);
/* the APSD done handler will set the USB supply type */
apsd_result = smblib_get_apsd_result(chg);
if (apsd_result->bit & QC_3P0_BIT) {
/* for QC3, switch to CP if present */
if (chg->sec_cp_present) {
rc = smblib_select_sec_charger(chg,
QTI_POWER_SUPPLY_CHARGER_SEC_CP,
QTI_POWER_SUPPLY_CP_HVDCP3, false);
if (rc < 0)
dev_err(chg->dev,
"Couldn't enable secondary chargers rc=%d\n",
rc);
}
/* QC3.5 detection timeout */
if (!chg->apsd_ext_timeout &&
!timer_pending(&chg->apsd_timer)) {
smblib_dbg(chg, PR_MISC,
"APSD Extented timer started at %lld\n",
jiffies_to_msecs(jiffies));
mod_timer(&chg->apsd_timer,
msecs_to_jiffies(APSD_EXTENDED_TIMEOUT_MS)
+ jiffies);
}
}
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)
{
u32 hvdcp_ua = 0;
if (rising) {
if (qc_charger) {
hvdcp_ua = (chg->real_charger_type ==
QTI_POWER_SUPPLY_TYPE_USB_HVDCP) ?
chg->chg_param.hvdcp2_max_icl_ua :
HVDCP_CURRENT_UA;
/* enable HDC and ICL irq for QC2/3 charger */
vote(chg->limited_irq_disable_votable,
CHARGER_TYPE_VOTER, false, 0);
vote(chg->hdc_irq_disable_votable,
CHARGER_TYPE_VOTER, false, 0);
vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true,
hvdcp_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 val)
{
int typec_mode;
int rp_ua;
/* while PD is active it should have complete ICL control */
if (chg->pd_active)
return;
if (chg->typec_mode == QTI_POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER) {
vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true, 500000);
return;
}
/*
* HVDCP 2/3, handled separately
*/
if (val == QTI_POWER_SUPPLY_TYPE_USB_HVDCP
|| val == QTI_POWER_SUPPLY_TYPE_USB_HVDCP_3)
return;
/* TypeC rp med or high, use rp value */
typec_mode = smblib_get_prop_typec_mode(chg);
if (typec_rp_med_high(chg, typec_mode)) {
rp_ua = get_rp_based_dcp_current(chg, typec_mode);
vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true, rp_ua);
return;
}
/* rp-std or legacy, USB BC 1.2 */
switch (val) {
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:
rp_ua = get_rp_based_dcp_current(chg, typec_mode);
vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true, rp_ua);
break;
case QTI_POWER_SUPPLY_TYPE_USB_FLOAT:
/*
* limit ICL to 100mA, the USB driver will enumerate to check
* if this is a SDP and appropriately set the current
*/
vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true,
SDP_100_MA);
break;
case POWER_SUPPLY_TYPE_UNKNOWN:
default:
vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true,
SDP_100_MA);
break;
}
}
static void smblib_handle_apsd_done(struct smb_charger *chg, bool rising)
{
const struct apsd_result *apsd_result;
if (!rising)
return;
apsd_result = smblib_update_usb_type(chg);
update_sw_icl_max(chg, apsd_result->val);
switch (apsd_result->bit) {
case SDP_CHARGER_BIT:
case CDP_CHARGER_BIT:
case FLOAT_CHARGER_BIT:
if (chg->use_extcon)
smblib_notify_device_mode(chg, true);
break;
case OCP_CHARGER_BIT:
case DCP_CHARGER_BIT:
break;
default:
break;
}
smblib_dbg(chg, PR_INTERRUPT, "IRQ: apsd-done rising; %s detected\n",
apsd_result->name);
}
irqreturn_t smb5_usb_source_change_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
int rc = 0;
u8 stat;
/* PD session is ongoing, ignore BC1.2 and QC detection */
if (chg->pd_active)
return IRQ_HANDLED;
rc = smblib_read(chg, APSD_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read APSD_STATUS rc=%d\n", rc);
return IRQ_HANDLED;
}
smblib_dbg(chg, PR_INTERRUPT, "APSD_STATUS = 0x%02x\n", stat);
if ((chg->connector_type == QTI_POWER_SUPPLY_CONNECTOR_MICRO_USB)
&& (stat & APSD_DTC_STATUS_DONE_BIT)
&& !chg->uusb_apsd_rerun_done) {
/*
* Force re-run APSD to handle slow insertion related
* charger-mis-detection.
*/
chg->uusb_apsd_rerun_done = true;
smblib_rerun_apsd_if_required(chg);
return IRQ_HANDLED;
}
smblib_handle_apsd_done(chg,
(bool)(stat & APSD_DTC_STATUS_DONE_BIT));
smblib_handle_hvdcp_detect_done(chg,
(bool)(stat & QC_CHARGER_BIT));
smblib_handle_hvdcp_check_timeout(chg,
(bool)(stat & HVDCP_CHECK_TIMEOUT_BIT),
(bool)(stat & QC_CHARGER_BIT));
smblib_handle_hvdcp_3p0_auth_done(chg,
(bool)(stat & QC_AUTH_DONE_STATUS_BIT));
smblib_handle_sdp_enumeration_done(chg,
(bool)(stat & ENUMERATION_DONE_BIT));
smblib_handle_slow_plugin_timeout(chg,
(bool)(stat & SLOW_PLUGIN_TIMEOUT_BIT));
smblib_hvdcp_adaptive_voltage_change(chg);
power_supply_changed(chg->usb_psy);
rc = smblib_read(chg, APSD_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read APSD_STATUS rc=%d\n", rc);
return IRQ_HANDLED;
}
smblib_dbg(chg, PR_INTERRUPT, "APSD_STATUS = 0x%02x\n", stat);
return IRQ_HANDLED;
}
enum alarmtimer_restart smblib_lpd_recheck_timer(struct alarm *alarm,
ktime_t time)
{
int val;
struct smb_charger *chg = container_of(alarm, struct smb_charger,
lpd_recheck_timer);
int rc;
if (chg->lpd_reason == LPD_MOISTURE_DETECTED) {
val = QTI_POWER_SUPPLY_TYPEC_PR_DUAL;
rc = smblib_set_prop_typec_power_role(chg, val);
if (rc < 0) {
smblib_err(chg, "Couldn't write 0x%02x to TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n",
val, rc);
return ALARMTIMER_NORESTART;
}
chg->moisture_present = false;
power_supply_changed(chg->usb_psy);
} else {
rc = smblib_masked_write(chg, TYPE_C_INTERRUPT_EN_CFG_2_REG,
TYPEC_WATER_DETECTION_INT_EN_BIT,
TYPEC_WATER_DETECTION_INT_EN_BIT);
if (rc < 0) {
smblib_err(chg, "Couldn't set TYPE_C_INTERRUPT_EN_CFG_2_REG rc=%d\n",
rc);
return ALARMTIMER_NORESTART;
}
}
chg->lpd_stage = LPD_STAGE_NONE;
chg->lpd_reason = LPD_NONE;
return ALARMTIMER_NORESTART;
}
#define RSBU_K_300K_UV 3000000
static bool smblib_src_lpd(struct smb_charger *chg)
{
bool lpd_flag = false;
u8 stat;
int rc, val;
if (chg->lpd_disabled)
return false;
rc = smblib_read(chg, TYPE_C_SRC_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_SRC_STATUS_REG rc=%d\n",
rc);
return false;
}
switch (stat & DETECTED_SNK_TYPE_MASK) {
case SRC_DEBUG_ACCESS_BIT:
if (smblib_rsbux_low(chg, RSBU_K_300K_UV))
lpd_flag = true;
break;
case SRC_RD_RA_VCONN_BIT:
case SRC_RD_OPEN_BIT:
case AUDIO_ACCESS_RA_RA_BIT:
default:
break;
}
if (lpd_flag) {
chg->lpd_stage = LPD_STAGE_COMMIT;
val = QTI_POWER_SUPPLY_TYPEC_PR_SINK;
rc = smblib_set_prop_typec_power_role(chg, val);
if (rc < 0)
smblib_err(chg, "Couldn't write 0x%02x to TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n",
val, rc);
chg->lpd_reason = LPD_MOISTURE_DETECTED;
chg->moisture_present = true;
vote(chg->usb_icl_votable, LPD_VOTER, true, 0);
alarm_start_relative(&chg->lpd_recheck_timer,
ms_to_ktime(60000));
power_supply_changed(chg->usb_psy);
} else {
chg->lpd_reason = LPD_NONE;
chg->typec_mode = smblib_get_prop_typec_mode(chg);
}
return lpd_flag;
}
static void typec_src_fault_condition_cfg(struct smb_charger *chg, bool src)
{
int rc;
u8 mask = USBIN_MID_COMP_FAULT_EN_BIT | USBIN_COLLAPSE_FAULT_EN_BIT;
rc = smblib_masked_write(chg, OTG_FAULT_CONDITION_CFG_REG, mask,
src ? 0 : mask);
if (rc < 0)
smblib_err(chg, "Couldn't write OTG_FAULT_CONDITION_CFG_REG rc=%d\n",
rc);
}
static void typec_sink_insertion(struct smb_charger *chg)
{
int rc;
typec_src_fault_condition_cfg(chg, true);
rc = smblib_set_charge_param(chg, &chg->param.freq_switcher,
chg->chg_freq.freq_above_otg_threshold);
if (rc < 0)
dev_err(chg->dev, "Error in setting freq_boost rc=%d\n", rc);
if (chg->use_extcon) {
smblib_notify_usb_host(chg, true);
chg->otg_present = true;
}
if (!chg->pr_swap_in_progress)
chg->ok_to_pd = (!(chg->pd_disabled) || chg->early_usb_attach)
&& !chg->pd_not_supported;
}
static void typec_src_insertion(struct smb_charger *chg)
{
int rc = 0;
u8 stat;
if (chg->pr_swap_in_progress) {
vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, false, 0);
return;
}
rc = smblib_read(chg, LEGACY_CABLE_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_STATE_MACHINE_STATUS_REG rc=%d\n",
rc);
return;
}
chg->typec_legacy = stat & TYPEC_LEGACY_CABLE_STATUS_BIT;
chg->ok_to_pd = (!(chg->typec_legacy || chg->pd_disabled)
|| chg->early_usb_attach) && !chg->pd_not_supported;
/* allow apsd proceed to detect QC2/3 */
if (!chg->ok_to_pd)
smblib_hvdcp_detect_try_enable(chg, true);
}
static void typec_ra_ra_insertion(struct smb_charger *chg)
{
vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true, 500000);
vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0);
chg->ok_to_pd = false;
smblib_hvdcp_detect_enable(chg, true);
}
static const char * const dr_mode_text[] = {
"ufp", "dfp", "none"
};
static int smblib_force_dr_mode(struct smb_charger *chg, int mode)
{
int rc = 0;
switch (mode) {
case TYPEC_PORT_SNK:
rc = smblib_masked_write(chg, TYPE_C_MODE_CFG_REG,
TYPEC_POWER_ROLE_CMD_MASK, EN_SNK_ONLY_BIT);
if (rc < 0) {
smblib_err(chg, "Couldn't enable snk, rc=%d\n", rc);
return rc;
}
break;
case TYPEC_PORT_SRC:
rc = smblib_masked_write(chg, TYPE_C_MODE_CFG_REG,
TYPEC_POWER_ROLE_CMD_MASK, EN_SRC_ONLY_BIT);
if (rc < 0) {
smblib_err(chg, "Couldn't enable src, rc=%d\n", rc);
return rc;
}
break;
case TYPEC_PORT_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 rc;
}
break;
default:
smblib_err(chg, "Power role %d not supported\n", mode);
return -EINVAL;
}
chg->dr_mode = mode;
return rc;
}
int smblib_typec_port_type_set(const struct typec_capability *cap,
enum typec_port_type type)
{
struct smb_charger *chg = container_of(cap,
struct smb_charger, typec_caps);
int rc = 0;
mutex_lock(&chg->typec_lock);
if ((chg->pr_swap_in_progress) || (type == TYPEC_PORT_DRP)) {
smblib_dbg(chg, PR_MISC, "Ignoring port type request type = %d swap_in_progress = %d\n",
type, chg->pr_swap_in_progress);
goto unlock;
}
chg->pr_swap_in_progress = true;
rc = smblib_force_dr_mode(chg, type);
if (rc < 0) {
chg->pr_swap_in_progress = false;
smblib_err(chg, "Failed to force mode, rc=%d\n", rc);
goto unlock;
}
smblib_dbg(chg, PR_MISC, "Requested role %s\n",
type ? "SINK" : "SOURCE");
/*
* As per the hardware requirements,
* schedule the work with required delay.
*/
if (!(delayed_work_pending(&chg->role_reversal_check))) {
cancel_delayed_work_sync(&chg->role_reversal_check);
schedule_delayed_work(&chg->role_reversal_check,
msecs_to_jiffies(ROLE_REVERSAL_DELAY_MS));
vote(chg->awake_votable, TYPEC_SWAP_VOTER, true, 0);
}
unlock:
mutex_unlock(&chg->typec_lock);
return rc;
}
static void smblib_typec_role_check_work(struct work_struct *work)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
role_reversal_check.work);
int rc = 0;
mutex_lock(&chg->typec_lock);
switch (chg->dr_mode) {
case TYPEC_PORT_SNK:
if (chg->typec_mode < QTI_POWER_SUPPLY_TYPEC_SOURCE_DEFAULT) {
smblib_dbg(chg, PR_MISC, "Role reversal not latched to UFP in %d msecs. Resetting to DRP mode\n",
ROLE_REVERSAL_DELAY_MS);
rc = smblib_force_dr_mode(chg, TYPEC_PORT_DRP);
if (rc < 0)
smblib_err(chg, "Failed to set DRP mode, rc=%d\n",
rc);
} else {
chg->power_role = QTI_POWER_SUPPLY_TYPEC_PR_SINK;
typec_set_pwr_role(chg->typec_port, TYPEC_SINK);
typec_set_data_role(chg->typec_port, TYPEC_DEVICE);
smblib_dbg(chg, PR_MISC, "Role changed successfully to SINK");
}
break;
case TYPEC_PORT_SRC:
if (chg->typec_mode >= QTI_POWER_SUPPLY_TYPEC_SOURCE_DEFAULT
|| chg->typec_mode == QTI_POWER_SUPPLY_TYPEC_NONE) {
smblib_dbg(chg, PR_MISC, "Role reversal not latched to DFP in %d msecs. Resetting to DRP mode\n",
ROLE_REVERSAL_DELAY_MS);
chg->pr_swap_in_progress = false;
chg->typec_role_swap_failed = true;
rc = smblib_force_dr_mode(chg, TYPEC_PORT_DRP);
if (rc < 0)
smblib_err(chg, "Failed to set DRP mode, rc=%d\n",
rc);
} else {
chg->power_role = QTI_POWER_SUPPLY_TYPEC_PR_SOURCE;
typec_set_pwr_role(chg->typec_port, TYPEC_SOURCE);
typec_set_data_role(chg->typec_port, TYPEC_HOST);
smblib_dbg(chg, PR_MISC, "Role changed successfully to SOURCE");
}
break;
default:
pr_debug("Already in DRP mode\n");
break;
}
chg->pr_swap_in_progress = false;
vote(chg->awake_votable, TYPEC_SWAP_VOTER, false, 0);
mutex_unlock(&chg->typec_lock);
}
static void typec_sink_removal(struct smb_charger *chg)
{
int rc;
typec_src_fault_condition_cfg(chg, false);
rc = smblib_set_charge_param(chg, &chg->param.freq_switcher,
chg->chg_freq.freq_removal);
if (rc < 0)
dev_err(chg->dev, "Error in setting freq_removal rc=%d\n", rc);
if (chg->use_extcon) {
if (chg->otg_present)
smblib_notify_usb_host(chg, false);
chg->otg_present = false;
}
}
static void typec_src_removal(struct smb_charger *chg)
{
int rc;
struct smb_irq_data *data;
struct storm_watch *wdata;
int sec_charger;
u8 val[2] = {0};
sec_charger = chg->sec_pl_present ? QTI_POWER_SUPPLY_CHARGER_SEC_PL :
QTI_POWER_SUPPLY_CHARGER_SEC_NONE;
rc = smblib_select_sec_charger(chg, sec_charger,
QTI_POWER_SUPPLY_CP_NONE, false);
if (rc < 0)
dev_err(chg->dev,
"Couldn't disable secondary charger rc=%d\n", rc);
chg->qc3p5_detected = false;
chg->qc3p5_detected_mw = 0;
typec_src_fault_condition_cfg(chg, false);
smblib_hvdcp_detect_try_enable(chg, false);
smblib_update_usb_type(chg);
if (chg->wa_flags & BOOST_BACK_WA) {
data = chg->irq_info[SWITCHER_POWER_OK_IRQ].irq_data;
if (data) {
wdata = &data->storm_data;
update_storm_count(wdata, WEAK_CHG_STORM_COUNT);
vote(chg->usb_icl_votable, BOOST_BACK_VOTER, false, 0);
vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER,
false, 0);
}
}
cancel_delayed_work_sync(&chg->pl_enable_work);
/* reset input current limit voters */
vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true,
is_flash_active(chg) ? SDP_CURRENT_UA : SDP_100_MA);
vote(chg->usb_icl_votable, PD_VOTER, false, 0);
vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0);
vote(chg->usb_icl_votable, DCP_VOTER, false, 0);
vote(chg->usb_icl_votable, SW_QC3_VOTER, false, 0);
vote(chg->usb_icl_votable, CTM_VOTER, false, 0);
vote(chg->usb_icl_votable, HVDCP2_ICL_VOTER, false, 0);
vote(chg->usb_icl_votable, CHG_TERMINATION_VOTER, false, 0);
vote(chg->usb_icl_votable, THERMAL_THROTTLE_VOTER, false, 0);
vote(chg->usb_icl_votable, LPD_VOTER, false, 0);
/* reset usb irq voters */
vote(chg->limited_irq_disable_votable, CHARGER_TYPE_VOTER,
true, 0);
vote(chg->hdc_irq_disable_votable, CHARGER_TYPE_VOTER, true, 0);
vote(chg->hdc_irq_disable_votable, HDC_IRQ_VOTER, false, 0);
/* reset parallel voters */
vote(chg->pl_disable_votable, PL_DELAY_VOTER, true, 0);
vote(chg->pl_disable_votable, PL_FCC_LOW_VOTER, false, 0);
vote(chg->pl_enable_votable_indirect, USBIN_I_VOTER, false, 0);
vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, false, 0);
vote(chg->awake_votable, PL_DELAY_VOTER, false, 0);
/* Remove SW thermal regulation WA votes */
vote(chg->usb_icl_votable, SW_THERM_REGULATION_VOTER, false, 0);
vote(chg->pl_disable_votable, SW_THERM_REGULATION_VOTER, false, 0);
vote(chg->dc_suspend_votable, SW_THERM_REGULATION_VOTER, false, 0);
if (chg->cp_disable_votable)
vote(chg->cp_disable_votable, SW_THERM_REGULATION_VOTER,
false, 0);
/* reset USBOV votes and cancel work */
cancel_delayed_work_sync(&chg->usbov_dbc_work);
vote(chg->awake_votable, USBOV_DBC_VOTER, false, 0);
chg->dbc_usbov = false;
chg->pulse_cnt = 0;
chg->usb_icl_delta_ua = 0;
chg->voltage_min_uv = MICRO_5V;
chg->voltage_max_uv = MICRO_5V;
chg->usbin_forced_max_uv = 0;
chg->chg_param.forced_main_fcc = 0;
/* Reset all CC mode votes */
vote(chg->fcc_main_votable, MAIN_FCC_VOTER, false, 0);
chg->adapter_cc_mode = 0;
chg->thermal_overheat = 0;
vote_override(chg->fcc_votable, CC_MODE_VOTER, false, 0);
vote_override(chg->usb_icl_votable, CC_MODE_VOTER, false, 0);
vote(chg->cp_disable_votable, OVERHEAT_LIMIT_VOTER, false, 0);
vote(chg->usb_icl_votable, OVERHEAT_LIMIT_VOTER, false, 0);
/* write back the default FLOAT charger configuration */
rc = smblib_masked_write(chg, USBIN_OPTIONS_2_CFG_REG,
(u8)FLOAT_OPTIONS_MASK, chg->float_cfg);
if (rc < 0)
smblib_err(chg, "Couldn't write float charger options rc=%d\n",
rc);
if (chg->sdam_base) {
rc = smblib_write(chg,
chg->sdam_base + SDAM_QC_DET_STATUS_REG, 0);
if (rc < 0)
pr_err("Couldn't clear SDAM QC status rc=%d\n", rc);
rc = smblib_batch_write(chg,
chg->sdam_base + SDAM_QC_ADC_LSB_REG, val, 2);
if (rc < 0)
pr_err("Couldn't clear SDAM ADC status rc=%d\n", rc);
}
if (!chg->pr_swap_in_progress) {
rc = smblib_usb_pd_adapter_allowance_override(chg, FORCE_NULL);
if (rc < 0)
smblib_err(chg, "Couldn't set FORCE_NULL rc=%d\n", rc);
rc = smblib_set_charge_param(chg,
&chg->param.aicl_cont_threshold,
chg->default_aicl_cont_threshold_mv);
if (rc < 0)
smblib_err(chg, "Couldn't restore aicl_cont_threshold, rc=%d",
rc);
}
/*
* if non-compliant charger caused UV, restore original max pulses
* and turn SUSPEND_ON_COLLAPSE_USBIN_BIT back on.
*/
if (chg->qc2_unsupported_voltage) {
rc = smblib_masked_write(chg, HVDCP_PULSE_COUNT_MAX_REG,
HVDCP_PULSE_COUNT_MAX_QC2_MASK,
chg->qc2_max_pulses);
if (rc < 0)
smblib_err(chg, "Couldn't restore max pulses rc=%d\n",
rc);
if (!chg->disable_suspend_on_collapse) {
rc = smblib_masked_write(chg, USBIN_AICL_OPTIONS_CFG_REG,
SUSPEND_ON_COLLAPSE_USBIN_BIT,
SUSPEND_ON_COLLAPSE_USBIN_BIT);
if (rc < 0)
smblib_err(chg,
"Couldn't turn on SUSPEND_ON_COLLAPSE_USBIN_BIT rc=%d\n",
rc);
}
chg->qc2_unsupported_voltage = QC2_COMPLIANT;
}
if (chg->use_extcon)
smblib_notify_device_mode(chg, false);
chg->typec_legacy = false;
del_timer_sync(&chg->apsd_timer);
chg->apsd_ext_timeout = false;
}
static void typec_mode_unattached(struct smb_charger *chg)
{
vote(chg->usb_icl_votable, SW_ICL_MAX_VOTER, true, USBIN_100MA);
}
static void smblib_handle_rp_change(struct smb_charger *chg, int typec_mode)
{
const struct apsd_result *apsd = smblib_get_apsd_result(chg);
/*
* We want the ICL vote @ 100mA for a FLOAT charger
* until the detection by the USB stack is complete.
* Ignore the Rp changes unless there is a
* pre-existing valid vote or FLOAT is configured for
* SDP current.
*/
if (apsd->val == QTI_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->val);
smblib_dbg(chg, PR_MISC, "CC change old_mode=%d new_mode=%d\n",
chg->typec_mode, typec_mode);
}
static void smblib_lpd_launch_ra_open_work(struct smb_charger *chg)
{
u8 stat;
int rc;
if (chg->lpd_disabled)
return;
rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_MISC_STATUS_REG rc=%d\n",
rc);
return;
}
if (!(stat & TYPEC_TCCDEBOUNCE_DONE_STATUS_BIT)
&& chg->lpd_stage == LPD_STAGE_NONE) {
chg->lpd_stage = LPD_STAGE_FLOAT;
cancel_delayed_work_sync(&chg->lpd_ra_open_work);
vote(chg->awake_votable, LPD_VOTER, true, 0);
schedule_delayed_work(&chg->lpd_ra_open_work,
msecs_to_jiffies(300));
}
}
irqreturn_t smb5_typec_or_rid_detection_change_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name);
if (chg->connector_type == QTI_POWER_SUPPLY_CONNECTOR_MICRO_USB) {
if (chg->uusb_moisture_protection_enabled) {
/*
* Adding pm_stay_awake as because pm_relax is called
* on exit path from the work routine.
*/
pm_stay_awake(chg->dev);
schedule_work(&chg->moisture_protection_work);
}
cancel_delayed_work_sync(&chg->uusb_otg_work);
/*
* Skip OTG enablement if RID interrupt triggers with moisture
* protection still enabled.
*/
if (!chg->moisture_present) {
vote(chg->awake_votable, OTG_DELAY_VOTER, true, 0);
smblib_dbg(chg, PR_INTERRUPT, "Scheduling OTG work\n");
schedule_delayed_work(&chg->uusb_otg_work,
msecs_to_jiffies(chg->otg_delay_ms));
}
goto out;
}
if (chg->pr_swap_in_progress || chg->pd_hard_reset)
goto out;
smblib_lpd_launch_ra_open_work(chg);
if (chg->usb_psy)
power_supply_changed(chg->usb_psy);
out:
return IRQ_HANDLED;
}
irqreturn_t smb5_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 == QTI_POWER_SUPPLY_CONNECTOR_MICRO_USB) {
smblib_dbg(chg, PR_INTERRUPT,
"Ignoring for micro USB\n");
return IRQ_HANDLED;
}
typec_mode = smblib_get_prop_typec_mode(chg);
if (chg->sink_src_mode != UNATTACHED_MODE
&& (typec_mode != chg->typec_mode))
smblib_handle_rp_change(chg, typec_mode);
chg->typec_mode = typec_mode;
smblib_dbg(chg, PR_INTERRUPT, "IRQ: cc-state-change; Type-C %s detected\n",
smblib_typec_mode_name[chg->typec_mode]);
power_supply_changed(chg->usb_psy);
return IRQ_HANDLED;
}
static void smblib_lpd_clear_ra_open_work(struct smb_charger *chg)
{
if (chg->lpd_disabled)
return;
cancel_delayed_work_sync(&chg->lpd_detach_work);
chg->lpd_stage = LPD_STAGE_FLOAT_CANCEL;
cancel_delayed_work_sync(&chg->lpd_ra_open_work);
vote(chg->awake_votable, LPD_VOTER, false, 0);
}
#define TYPEC_DETACH_DETECT_DELAY_MS 2000
irqreturn_t smb5_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;
bool attached = false;
int rc;
/* IRQ not expected to be executed for uUSB, return */
if (chg->connector_type == QTI_POWER_SUPPLY_CONNECTOR_MICRO_USB)
return IRQ_HANDLED;
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;
}
attached = !!(stat & TYPEC_ATTACH_DETACH_STATE_BIT);
if (attached) {
smblib_lpd_clear_ra_open_work(chg);
rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_MISC_STATUS_REG rc=%d\n",
rc);
return IRQ_HANDLED;
}
if (smblib_get_prop_dfp_mode(chg) ==
QTI_POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER) {
chg->sink_src_mode = AUDIO_ACCESS_MODE;
typec_ra_ra_insertion(chg);
} else if (stat & SNK_SRC_MODE_BIT) {
if (smblib_src_lpd(chg))
return IRQ_HANDLED;
chg->sink_src_mode = SRC_MODE;
typec_sink_insertion(chg);
} else {
chg->sink_src_mode = SINK_MODE;
typec_src_insertion(chg);
}
rc = typec_partner_register(chg);
if (rc < 0)
smblib_err(chg, "failed to register partner rc =%d\n",
rc);
} else {
switch (chg->sink_src_mode) {
case SRC_MODE:
typec_sink_removal(chg);
break;
case SINK_MODE:
case AUDIO_ACCESS_MODE:
typec_src_removal(chg);
break;
case UNATTACHED_MODE:
default:
typec_mode_unattached(chg);
break;
}
if (!chg->pr_swap_in_progress) {
chg->ok_to_pd = false;
chg->sink_src_mode = UNATTACHED_MODE;
chg->early_usb_attach = false;
smblib_apsd_enable(chg, true);
}
/*
* Restore DRP mode on type-C cable disconnect if role
* swap is not in progress, to ensure forced sink or src
* mode configuration is reset properly.
*/
mutex_lock(&chg->typec_lock);
if (chg->typec_port && !chg->pr_swap_in_progress) {
/*
* Schedule the work to differentiate actual removal
* of cable and detach interrupt during role swap,
* unregister the partner only during actual cable
* removal.
*/
cancel_delayed_work(&chg->pr_swap_detach_work);
vote(chg->awake_votable, DETACH_DETECT_VOTER, true, 0);
schedule_delayed_work(&chg->pr_swap_detach_work,
msecs_to_jiffies(TYPEC_DETACH_DETECT_DELAY_MS));
smblib_force_dr_mode(chg, TYPEC_PORT_DRP);
/*
* To handle cable removal during role
* swap failure.
*/
chg->typec_role_swap_failed = false;
}
mutex_unlock(&chg->typec_lock);
if (chg->lpd_stage == LPD_STAGE_FLOAT_CANCEL)
schedule_delayed_work(&chg->lpd_detach_work,
msecs_to_jiffies(1000));
}
rc = smblib_masked_write(chg, USB_CMD_PULLDOWN_REG,
EN_PULLDOWN_USB_IN_BIT,
attached ? 0 : EN_PULLDOWN_USB_IN_BIT);
if (rc < 0)
smblib_err(chg, "Couldn't configure pulldown on USB_IN rc=%d\n",
rc);
power_supply_changed(chg->usb_psy);
return IRQ_HANDLED;
}
static void dcin_aicl(struct smb_charger *chg)
{
int rc, icl, icl_save;
int input_present;
bool aicl_done = true;
/*
* Hold awake votable to prevent pm_relax being called prior to
* completion of this work.
*/
vote(chg->awake_votable, DCIN_AICL_VOTER, true, 0);
increment:
mutex_lock(&chg->dcin_aicl_lock);
rc = smblib_get_charge_param(chg, &chg->param.dc_icl, &icl);
if (rc < 0)
goto err;
if (icl == chg->wls_icl_ua) {
/* Upper limit reached; do nothing */
smblib_dbg(chg, PR_WLS, "hit max ICL: stop\n");
rc = smblib_is_input_present(chg, &input_present);
if (rc < 0 || !(input_present & INPUT_PRESENT_DC))
aicl_done = false;
goto unlock;
}
icl = min(chg->wls_icl_ua, icl + DCIN_ICL_STEP_UA);
icl_save = icl;
rc = smblib_set_charge_param(chg, &chg->param.dc_icl, icl);
if (rc < 0)
goto err;
mutex_unlock(&chg->dcin_aicl_lock);
smblib_dbg(chg, PR_WLS, "icl: %d mA\n", (icl / 1000));
/* Check to see if DC is still present before and after sleep */
rc = smblib_is_input_present(chg, &input_present);
if (rc < 0 || !(input_present & INPUT_PRESENT_DC)) {
aicl_done = false;
goto unvote;
}
/*
* Wait awhile to check for any DCIN_UVs (the UV handler reduces the
* ICL). If the adaptor collapses, the ICL read after waking up will be
* lesser, indicating that the AICL process is complete.
*/
msleep(500);
rc = smblib_is_input_present(chg, &input_present);
if (rc < 0 || !(input_present & INPUT_PRESENT_DC)) {
aicl_done = false;
goto unvote;
}
mutex_lock(&chg->dcin_aicl_lock);
rc = smblib_get_charge_param(chg, &chg->param.dc_icl, &icl);
if (rc < 0)
goto err;
if (icl < icl_save) {
smblib_dbg(chg, PR_WLS, "done: icl: %d mA\n", (icl / 1000));
goto unlock;
}
mutex_unlock(&chg->dcin_aicl_lock);
goto increment;
err:
aicl_done = false;
unlock:
mutex_unlock(&chg->dcin_aicl_lock);
unvote:
vote(chg->awake_votable, DCIN_AICL_VOTER, false, 0);
chg->dcin_aicl_done = aicl_done;
}
static void dcin_aicl_work(struct work_struct *work)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
dcin_aicl_work);
dcin_aicl(chg);
}
static enum alarmtimer_restart dcin_aicl_alarm_cb(struct alarm *alarm,
ktime_t now)
{
struct smb_charger *chg = container_of(alarm, struct smb_charger,
dcin_aicl_alarm);
smblib_dbg(chg, PR_WLS, "rerunning DCIN AICL\n");
pm_stay_awake(chg->dev);
schedule_work(&chg->dcin_aicl_work);
return ALARMTIMER_NORESTART;
}
static void dcin_icl_decrement(struct smb_charger *chg)
{
int rc, icl;
ktime_t now = ktime_get();
rc = smblib_get_charge_param(chg, &chg->param.dc_icl, &icl);
if (rc < 0) {
smblib_err(chg, "reading DCIN ICL failed: %d\n", rc);
return;
}
if (icl == DCIN_ICL_MIN_UA) {
/* Cannot possibly decrease ICL any further - do nothing */
smblib_dbg(chg, PR_WLS, "hit min ICL: stop\n");
return;
}
/* Reduce ICL by 100 mA if 3 UVs happen in a row */
if (ktime_us_delta(now, chg->dcin_uv_last_time) > (200 * 1000)) {
chg->dcin_uv_count = 0;
} else if (chg->dcin_uv_count >= 3) {
icl -= DCIN_ICL_STEP_UA;
smblib_dbg(chg, PR_WLS, "icl: %d mA\n", (icl / 1000));
rc = smblib_set_charge_param(chg, &chg->param.dc_icl, icl);
if (rc < 0) {
smblib_err(chg, "setting DCIN ICL failed: %d\n", rc);
return;
}
chg->dcin_uv_count = 0;
}
chg->dcin_uv_last_time = now;
}
irqreturn_t smb5_dcin_uv_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
mutex_lock(&chg->dcin_aicl_lock);
chg->dcin_uv_count++;
smblib_dbg(chg, (PR_WLS | PR_INTERRUPT), "DCIN UV count: %d\n",
chg->dcin_uv_count);
dcin_icl_decrement(chg);
mutex_unlock(&chg->dcin_aicl_lock);
return IRQ_HANDLED;
}
irqreturn_t smb5_dc_plugin_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
union power_supply_propval pval;
int input_present;
bool dcin_present, vbus_present;
int rc, wireless_vout = 0, wls_set = 0;
int sec_charger, val;
rc = smblib_get_prop_vph_voltage_now(chg, &val);
if (rc < 0)
return IRQ_HANDLED;
/* 2*VPH, with a granularity of 100mV */
wireless_vout = ((val * 2) / 100000) * 100000;
rc = smblib_is_input_present(chg, &input_present);
if (rc < 0)
return IRQ_HANDLED;
dcin_present = input_present & INPUT_PRESENT_DC;
vbus_present = input_present & INPUT_PRESENT_USB;
if (!chg->cp_ilim_votable)
chg->cp_ilim_votable = find_votable("CP_ILIM");
if (dcin_present && !vbus_present) {
cancel_work_sync(&chg->dcin_aicl_work);
/* Reset DCIN ICL to 100 mA */
mutex_lock(&chg->dcin_aicl_lock);
rc = smblib_set_charge_param(chg, &chg->param.dc_icl,
DCIN_ICL_MIN_UA);
mutex_unlock(&chg->dcin_aicl_lock);
if (rc < 0)
return IRQ_HANDLED;
smblib_dbg(chg, (PR_WLS | PR_INTERRUPT), "reset: icl: 100 mA\n");
/*
* Remove USB's CP ILIM vote - inapplicable for wireless
* parallel charging.
*/
if (chg->cp_ilim_votable)
vote(chg->cp_ilim_votable, ICL_CHANGE_VOTER, false, 0);
if (chg->sec_cp_present) {
/*
* If CP output topology is VBATT, limit main charger's
* FCC share and let the CPs handle the rest.
*/
if (is_cp_topo_vbatt(chg))
vote(chg->fcc_main_votable,
WLS_PL_CHARGING_VOTER, true, 800000);
rc = smblib_get_prop_batt_status(chg, &pval);
if (rc < 0)
smblib_err(chg, "Couldn't read batt status rc=%d\n",
rc);
wls_set = (pval.intval == POWER_SUPPLY_STATUS_FULL) ?
MICRO_5V : wireless_vout;
pval.intval = wls_set;
rc = smblib_set_prop_voltage_wls_output(chg, &pval);
if (rc < 0)
dev_err(chg->dev, "Couldn't set dc voltage to 2*vph rc=%d\n",
rc);
rc = smblib_select_sec_charger(chg,
QTI_POWER_SUPPLY_CHARGER_SEC_CP,
QTI_POWER_SUPPLY_CP_WIRELESS, false);
if (rc < 0)
dev_err(chg->dev, "Couldn't enable secondary chargers rc=%d\n",
rc);
} else {
/*
* If no secondary charger is present, commence
* wireless charging at 5 V by default.
*/
pval.intval = 5000000;
rc = smblib_set_prop_voltage_wls_output(chg, &pval);
if (rc < 0)
dev_err(chg->dev, "Couldn't set dc voltage to 5 V rc=%d\n",
rc);
}
schedule_work(&chg->dcin_aicl_work);
} else {
if (chg->cp_reason == QTI_POWER_SUPPLY_CP_WIRELESS) {
sec_charger = chg->sec_pl_present ?
QTI_POWER_SUPPLY_CHARGER_SEC_PL :
QTI_POWER_SUPPLY_CHARGER_SEC_NONE;
rc = smblib_select_sec_charger(chg, sec_charger,
QTI_POWER_SUPPLY_CP_NONE, false);
if (rc < 0)
dev_err(chg->dev, "Couldn't disable secondary charger rc=%d\n",
rc);
}
vote(chg->dc_suspend_votable, CHG_TERMINATION_VOTER, false, 0);
vote(chg->fcc_main_votable, WLS_PL_CHARGING_VOTER, false, 0);
chg->last_wls_vout = 0;
chg->dcin_aicl_done = false;
chg->dcin_icl_user_set = false;
}
/*
* Vote for 1500mA FCC upon WLS detach and remove vote upon attach if
* FCC stepper is enabled.
*/
if (chg->fcc_stepper_enable && !vbus_present)
vote(chg->fcc_votable, FCC_STEPPER_VOTER, !dcin_present,
dcin_present ? 0 : 1500000);
if (chg->dc_psy)
power_supply_changed(chg->dc_psy);
smblib_dbg(chg, (PR_WLS | PR_INTERRUPT), "dcin_present= %d, usbin_present= %d, cp_reason = %d\n",
dcin_present, vbus_present, chg->cp_reason);
return IRQ_HANDLED;
}
irqreturn_t smb5_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
*/
vote(chg->hdc_irq_disable_votable, HDC_IRQ_VOTER, true, 0);
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 smb5_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 smb5_wdog_snarl_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name);
if (chg->wa_flags & SW_THERM_REGULATION_WA) {
cancel_delayed_work_sync(&chg->thermal_regulation_work);
vote(chg->awake_votable, SW_THERM_REGULATION_VOTER, true, 0);
schedule_delayed_work(&chg->thermal_regulation_work, 0);
}
power_supply_changed(chg->batt_psy);
return IRQ_HANDLED;
}
irqreturn_t smb5_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);
return IRQ_HANDLED;
}
static void smblib_die_rst_icl_regulate(struct smb_charger *chg)
{
int rc;
u8 temp;
rc = smblib_read(chg, DIE_TEMP_STATUS_REG, &temp);
if (rc < 0) {
smblib_err(chg, "Couldn't read DIE_TEMP_STATUS_REG rc=%d\n",
rc);
return;
}
/* Regulate ICL on die temp crossing DIE_RST threshold */
vote(chg->usb_icl_votable, DIE_TEMP_VOTER,
temp & DIE_TEMP_RST_BIT, 500000);
}
/*
* triggered when DIE or SKIN or CONNECTOR temperature across
* either of the _REG_L, _REG_H, _RST, or _SHDN thresholds
*/
irqreturn_t smb5_temp_change_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
smblib_die_rst_icl_regulate(chg);
return IRQ_HANDLED;
}
static void smblib_usbov_dbc_work(struct work_struct *work)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
usbov_dbc_work.work);
smblib_dbg(chg, PR_MISC, "Resetting USBOV debounce\n");
chg->dbc_usbov = false;
vote(chg->awake_votable, USBOV_DBC_VOTER, false, 0);
}
#define USB_OV_DBC_PERIOD_MS 1000
irqreturn_t smb5_usbin_ov_irq_handler(int irq, void *data)
{
struct smb_irq_data *irq_data = data;
struct smb_charger *chg = irq_data->parent_data;
u8 stat;
int rc;
smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name);
if (!(chg->wa_flags & USBIN_OV_WA))
return IRQ_HANDLED;
rc = smblib_read(chg, USBIN_BASE + INT_RT_STS_OFFSET, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read USB_INT_RT_STS rc=%d\n", rc);
return IRQ_HANDLED;
}
/*
* On specific PMICs, OV IRQ triggers for very small duration in
* interim periods affecting charging status reflection. In order to
* differentiate between OV IRQ glitch and real OV_IRQ, add a debounce
* period for evaluation.
*/
if (stat & USBIN_OV_RT_STS_BIT) {
chg->dbc_usbov = true;
vote(chg->awake_votable, USBOV_DBC_VOTER, true, 0);
schedule_delayed_work(&chg->usbov_dbc_work,
msecs_to_jiffies(USB_OV_DBC_PERIOD_MS));
} else {
cancel_delayed_work_sync(&chg->usbov_dbc_work);
chg->dbc_usbov = false;
vote(chg->awake_votable, USBOV_DBC_VOTER, false, 0);
}
smblib_dbg(chg, PR_MISC, "USBOV debounce status %d\n",
chg->dbc_usbov);
return IRQ_HANDLED;
}
/**************
* Additional USB PSY getters/setters
* that call interrupt functions
***************/
int smblib_get_prop_pr_swap_in_progress(struct smb_charger *chg,
int *val)
{
*val = chg->pr_swap_in_progress;
return 0;
}
#define DETACH_DETECT_DELAY_MS 20
int smblib_set_prop_pr_swap_in_progress(struct smb_charger *chg,
int val)
{
int rc;
u8 stat = 0, orientation;
smblib_dbg(chg, PR_MISC, "Requested PR_SWAP %d\n", val);
chg->pr_swap_in_progress = val;
/* check for cable removal during pr_swap */
if (!chg->pr_swap_in_progress) {
cancel_delayed_work_sync(&chg->pr_swap_detach_work);
vote(chg->awake_votable, DETACH_DETECT_VOTER, true, 0);
schedule_delayed_work(&chg->pr_swap_detach_work,
msecs_to_jiffies(DETACH_DETECT_DELAY_MS));
}
rc = smblib_masked_write(chg, TYPE_C_DEBOUNCE_OPTION_REG,
REDUCE_TCCDEBOUNCE_TO_2MS_BIT,
val ? 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 ? 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);
return 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 rc;
}
chg->power_role = QTI_POWER_SUPPLY_TYPEC_PR_DUAL;
smblib_dbg(chg, PR_MISC, "restore power role: %d\n",
chg->power_role);
}
return 0;
}
/***************
* Work Queues *
***************/
static void smblib_pr_lock_clear_work(struct work_struct *work)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
pr_lock_clear_work.work);
spin_lock(&chg->typec_pr_lock);
if (chg->pr_lock_in_progress) {
smblib_dbg(chg, PR_MISC, "restore type-c interrupts\n");
smblib_typec_irq_config(chg, true);
chg->pr_lock_in_progress = false;
}
spin_unlock(&chg->typec_pr_lock);
}
static void smblib_pr_swap_detach_work(struct work_struct *work)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
pr_swap_detach_work.work);
int rc;
u8 stat;
rc = smblib_read(chg, TYPE_C_STATE_MACHINE_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read STATE_MACHINE_STS rc=%d\n", rc);
goto out;
}
smblib_dbg(chg, PR_REGISTER, "STATE_MACHINE_STS %x\n", stat);
if (!(stat & TYPEC_ATTACH_DETACH_STATE_BIT)) {
rc = smblib_request_dpdm(chg, false);
if (rc < 0)
smblib_err(chg, "Couldn't disable DPDM rc=%d\n", rc);
if (chg->typec_port)
typec_partner_unregister(chg);
}
out:
vote(chg->awake_votable, DETACH_DETECT_VOTER, false, 0);
}
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) {
if (otg) {
/* otg cable inserted */
if (chg->typec_port) {
typec_partner_register(chg);
typec_set_data_role(chg->typec_port,
TYPEC_HOST);
typec_set_pwr_role(chg->typec_port,
TYPEC_SOURCE);
}
} else if (chg->typec_port) {
/* otg cable removed */
typec_set_data_role(chg->typec_port, TYPEC_DEVICE);
typec_set_pwr_role(chg->typec_port, TYPEC_SINK);
typec_partner_unregister(chg);
}
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);
struct iio_channel **qg_list;
int rc;
if (IS_ERR(chg->iio_chan_list_qg))
return;
if (!chg->iio_chan_list_qg) {
qg_list = get_ext_channels(chg->dev,
smblib_qg_ext_iio_chan,
ARRAY_SIZE(smblib_qg_ext_iio_chan));
if (IS_ERR(qg_list)) {
rc = PTR_ERR(qg_list);
if (rc != -EPROBE_DEFER) {
dev_err(chg->dev, "Failed to get channels, %d\n",
rc);
chg->iio_chan_list_qg = ERR_PTR(-EINVAL);
}
return;
}
chg->iio_chan_list_qg = qg_list;
}
smblib_config_charger_on_debug_battery(chg);
if (chg->batt_psy)
power_supply_changed(chg->batt_psy);
}
static void pl_update_work(struct work_struct *work)
{
int val, rc;
struct smb_charger *chg = container_of(work, struct smb_charger,
pl_update_work);
struct iio_channel **iio_list;
iio_list = get_ext_channels(chg->dev,
smblib_parallel_ext_iio_chan,
ARRAY_SIZE(smblib_parallel_ext_iio_chan));
if (IS_ERR(iio_list)) {
rc = PTR_ERR(iio_list);
if (rc != -EPROBE_DEFER) {
dev_err(chg->dev, "Failed to get channels, %d\n",
rc);
chg->iio_chan_list_smb_parallel = ERR_PTR(-EINVAL);
}
return;
}
chg->iio_chan_list_smb_parallel = iio_list;
if (chg->smb_temp_max == -EINVAL) {
rc = smblib_get_thermal_threshold(chg,
SMB_REG_H_THRESHOLD_MSB_REG,
&chg->smb_temp_max);
if (rc < 0) {
dev_err(chg->dev, "Couldn't get charger_temp_max rc=%d\n",
rc);
return;
}
}
val = chg->smb_temp_max;
rc = smblib_write_iio_prop(chg, SMB_PARALLEL,
SMB_CHARGER_TEMP_MAX, val);
if (rc < 0) {
dev_err(chg->dev, "Couldn't set POWER_SUPPLY_PROP_CHARGER_TEMP_MAX rc=%d\n",
rc);
return;
}
if (chg->sec_chg_selected == QTI_POWER_SUPPLY_CHARGER_SEC_CP)
return;
smblib_select_sec_charger(chg, QTI_POWER_SUPPLY_CHARGER_SEC_PL,
QTI_POWER_SUPPLY_CP_NONE, false);
}
static void clear_hdc_work(struct work_struct *work)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
clear_hdc_work.work);
chg->is_hdc = false;
vote(chg->hdc_irq_disable_votable, HDC_IRQ_VOTER, false, 0);
}
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->batt_psy);
smblib_dbg(chg, PR_INTERRUPT, "icl_settled=%d\n", settled_ua);
}
static void smblib_pl_enable_work(struct work_struct *work)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
pl_enable_work.work);
smblib_dbg(chg, PR_PARALLEL, "timer expired, enabling parallel\n");
vote(chg->pl_disable_votable, PL_DELAY_VOTER, false, 0);
vote(chg->awake_votable, PL_DELAY_VOTER, false, 0);
}
static void smblib_thermal_regulation_work(struct work_struct *work)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
thermal_regulation_work.work);
int rc;
rc = smblib_update_thermal_readings(chg);
if (rc < 0)
smblib_err(chg, "Couldn't read current thermal values %d\n",
rc);
rc = smblib_process_thermal_readings(chg);
if (rc < 0)
smblib_err(chg, "Couldn't run sw thermal regulation %d\n",
rc);
}
#define MOISTURE_PROTECTION_CHECK_DELAY_MS 300000 /* 5 mins */
static void smblib_moisture_protection_work(struct work_struct *work)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
moisture_protection_work);
int rc;
bool usb_plugged_in;
u8 stat;
/*
* Hold awake votable to prevent pm_relax being called prior to
* completion of this work.
*/
vote(chg->awake_votable, MOISTURE_VOTER, true, 0);
/*
* Disable 1% duty cycle on CC_ID pin and enable uUSB factory mode
* detection to track any change on RID, as interrupts are disable.
*/
rc = smblib_write(chg, ((chg->chg_param.smb_version == PMI632) ?
PMI632_TYPEC_U_USB_WATER_PROTECTION_CFG_REG :
TYPEC_U_USB_WATER_PROTECTION_CFG_REG), 0);
if (rc < 0) {
smblib_err(chg, "Couldn't disable periodic monitoring of CC_ID rc=%d\n",
rc);
goto out;
}
rc = smblib_masked_write(chg, TYPEC_U_USB_CFG_REG,
EN_MICRO_USB_FACTORY_MODE_BIT,
EN_MICRO_USB_FACTORY_MODE_BIT);
if (rc < 0) {
smblib_err(chg, "Couldn't enable uUSB factory mode detection rc=%d\n",
rc);
goto out;
}
/*
* Add a delay of 100ms to allow change in rid to reflect on
* status registers.
*/
msleep(100);
rc = smblib_read(chg, USBIN_BASE + INT_RT_STS_OFFSET, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read USB_INT_RT_STS rc=%d\n", rc);
goto out;
}
usb_plugged_in = (bool)(stat & USBIN_PLUGIN_RT_STS_BIT);
/* Check uUSB status for moisture presence */
rc = smblib_read(chg, TYPEC_U_USB_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_U_USB_STATUS_REG rc=%d\n",
rc);
goto out;
}
/*
* Factory mode detection happens in case of USB plugged-in by using
* a different current source of 2uA which can hamper moisture
* detection. Since factory mode is not supported in kernel, factory
* mode detection can be considered as equivalent to presence of
* moisture.
*/
if (stat == U_USB_STATUS_WATER_PRESENT || stat == U_USB_FMB1_BIT ||
stat == U_USB_FMB2_BIT || (usb_plugged_in &&
stat == U_USB_FLOAT1_BIT)) {
smblib_set_moisture_protection(chg, true);
alarm_start_relative(&chg->moisture_protection_alarm,
ms_to_ktime(MOISTURE_PROTECTION_CHECK_DELAY_MS));
} else {
smblib_set_moisture_protection(chg, false);
rc = alarm_cancel(&chg->moisture_protection_alarm);
if (rc < 0)
smblib_err(chg, "Couldn't cancel moisture protection alarm\n");
}
out:
vote(chg->awake_votable, MOISTURE_VOTER, false, 0);
}
static enum alarmtimer_restart moisture_protection_alarm_cb(struct alarm *alarm,
ktime_t now)
{
struct smb_charger *chg = container_of(alarm, struct smb_charger,
moisture_protection_alarm);
smblib_dbg(chg, PR_MISC, "moisture Protection Alarm Triggered %lld\n",
ktime_to_ms(now));
/* Atomic context, cannot use voter */
pm_stay_awake(chg->dev);
schedule_work(&chg->moisture_protection_work);
return ALARMTIMER_NORESTART;
}
static void smblib_chg_termination_work(struct work_struct *work)
{
int val;
struct smb_charger *chg = container_of(work, struct smb_charger,
chg_termination_work);
union power_supply_propval pval = {0, };
int rc, input_present, delay = CHG_TERM_WA_ENTRY_DELAY_MS;
int vbat_now_uv, max_fv_uv;
u8 stat = 0;
/*
* Hold awake votable to prevent pm_relax being called prior to
* completion of this work.
*/
vote(chg->awake_votable, CHG_TERMINATION_VOTER, true, 0);
rc = smblib_is_input_present(chg, &input_present);
if ((rc < 0) || !input_present)
goto out;
rc = smblib_get_prop_from_bms(chg, SMB5_QG_REAL_CAPACITY, &val);
if ((rc < 0) || (val < 100)) {
vote(chg->usb_icl_votable, CHG_TERMINATION_VOTER, false, 0);
vote(chg->dc_suspend_votable, CHG_TERMINATION_VOTER, false, 0);
smblib_err(chg, "Couldn't read SOC value, rc=%d\n", rc);
goto out;
}
if ((rc < 0) || (pval.intval < 100)) {
rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat);
if (rc < 0)
goto out;
/* check we are not in termination to exit the WA */
if ((stat & BATTERY_CHARGER_STATUS_MASK) != TERMINATE_CHARGE) {
vote(chg->usb_icl_votable, CHG_TERMINATION_VOTER,
false, 0);
vote(chg->dc_suspend_votable, CHG_TERMINATION_VOTER,
false, 0);
goto out;
}
}
/* Get the battery float voltage */
rc = smblib_get_prop_from_bms(chg, SMB5_QG_VOLTAGE_MAX, &val);
if (rc < 0) {
smblib_err(chg, "Couldn't read voltage_max prop, rc=%d\n", rc);
goto out;
}
max_fv_uv = val;
rc = smblib_get_prop_from_bms(chg, SMB5_QG_CHARGE_FULL, &val);
if (rc < 0) {
smblib_err(chg, "Couldn't read charge_full prop, rc=%d\n", rc);
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 (val != chg->charge_full_cc || !chg->cc_soc_ref) {
chg->charge_full_cc = val;
rc = smblib_get_prop_from_bms(chg, SMB5_QG_VOLTAGE_NOW, &val);
if (rc < 0) {
smblib_err(chg, "Couldn't read voltage_now prop, rc=%d\n",
rc);
goto out;
}
/*
* Store the Vbat at the charge termination to compare with
* the current voltage to see if the Vbat is increasing after
* charge termination in BSM.
*/
chg->term_vbat_uv = val;
vbat_now_uv = val;
rc = smblib_get_prop_from_bms(chg, SMB5_QG_CC_SOC, &val);
if (rc < 0) {
smblib_err(chg, "Couldn't read cc_soc prop, rc=%d\n",
rc);
goto out;
}
chg->cc_soc_ref = val;
} else {
rc = smblib_get_prop_from_bms(chg, SMB5_QG_VOLTAGE_NOW, &val);
if (rc < 0) {
smblib_err(chg, "Couldn't read voltage_now prop, rc=%d\n",
rc);
goto out;
}
vbat_now_uv = val;
rc = smblib_get_prop_from_bms(chg, SMB5_QG_CC_SOC, &val);
if (rc < 0) {
smblib_err(chg, "Couldn't read cc_soc prop, rc=%d\n",
rc);
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 && val > (chg->last_cc_soc + 100)) {
/* CC_SOC has increased by 1% from last time */
chg->cc_soc_ref = val;
smblib_dbg(chg, PR_MISC, "cc_soc jumped(%d->%d), reset cc_soc_ref\n",
chg->last_cc_soc, val);
}
chg->last_cc_soc = val;
/*
* Suspend/Unsuspend USB input to keep cc_soc within the 0.5% to 0.75%
* overshoot range of the cc_soc value at termination and make sure that
* vbat is indeed rising above vfloat.
*/
if (val < DIV_ROUND_CLOSEST(chg->cc_soc_ref * 10050, 10000)) {
vote(chg->usb_icl_votable, CHG_TERMINATION_VOTER, false, 0);
vote(chg->dc_suspend_votable, CHG_TERMINATION_VOTER, false, 0);
delay = CHG_TERM_WA_ENTRY_DELAY_MS;
} else if ((val > DIV_ROUND_CLOSEST(chg->cc_soc_ref * 10075,
10000))
&& ((vbat_now_uv > chg->term_vbat_uv) &&
(vbat_now_uv > max_fv_uv))) {
if (input_present & INPUT_PRESENT_USB)
vote(chg->usb_icl_votable, CHG_TERMINATION_VOTER,
true, 0);
if (input_present & INPUT_PRESENT_DC)
vote(chg->dc_suspend_votable, CHG_TERMINATION_VOTER,
true, 0);
delay = CHG_TERM_WA_EXIT_DELAY_MS;
}
smblib_dbg(chg, PR_MISC, "Chg Term WA readings: cc_soc: %d, cc_soc_ref: %d, delay: %d vbat_now %d term_vbat %d\n",
val, chg->cc_soc_ref, delay, vbat_now_uv,
chg->term_vbat_uv);
alarm_start_relative(&chg->chg_termination_alarm, ms_to_ktime(delay));
out:
vote(chg->awake_votable, CHG_TERMINATION_VOTER, false, 0);
}
static enum alarmtimer_restart chg_termination_alarm_cb(struct alarm *alarm,
ktime_t now)
{
struct smb_charger *chg = container_of(alarm, struct smb_charger,
chg_termination_alarm);
smblib_dbg(chg, PR_MISC, "Charge termination WA alarm triggered %lld\n",
ktime_to_ms(now));
/* Atomic context, cannot use voter */
pm_stay_awake(chg->dev);
schedule_work(&chg->chg_termination_work);
return ALARMTIMER_NORESTART;
}
static void apsd_timer_cb(struct timer_list *tm)
{
struct smb_charger *chg = container_of(tm, struct smb_charger,
apsd_timer);
smblib_dbg(chg, PR_MISC, "APSD Extented timer timeout at %lld\n",
jiffies_to_msecs(jiffies));
chg->apsd_ext_timeout = true;
}
#define SOFT_JEITA_HYSTERESIS_OFFSET 0x200
static void jeita_update_work(struct work_struct *work)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
jeita_update_work);
struct device_node *node = chg->dev->of_node;
struct device_node *batt_node, *pnode;
union power_supply_propval val;
int rc, tmp[2], max_fcc_ma, max_fv_uv;
u32 jeita_hard_thresholds[2];
u16 addr;
u8 buff[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 (IS_ERR_OR_NULL(chg->iio_chan_list_qg))
return;
rc = smblib_get_prop_from_bms(chg, SMB5_QG_RESISTANCE_ID, &val.intval);
if (rc < 0) {
smblib_err(chg, "Failed to get batt-id rc=%d\n", rc);
goto out;
}
/* if BMS hasn't read out the batt_id yet, defer the work */
if (val.intval <= 0)
return;
pnode = of_batterydata_get_best_profile(batt_node,
val.intval / 1000, NULL);
if (IS_ERR(pnode)) {
rc = PTR_ERR(pnode);
smblib_err(chg, "Failed to detect valid battery profile %d\n",
rc);
goto out;
}
rc = of_property_read_u32_array(pnode, "qcom,jeita-hard-thresholds",
jeita_hard_thresholds, 2);
if (!rc) {
rc = smblib_update_jeita(chg, jeita_hard_thresholds,
JEITA_HARD);
if (rc < 0) {
smblib_err(chg, "Couldn't configure Hard Jeita rc=%d\n",
rc);
goto out;
}
}
rc = of_property_read_u32_array(pnode, "qcom,jeita-soft-thresholds",
chg->jeita_soft_thlds, 2);
if (!rc) {
rc = smblib_update_jeita(chg, chg->jeita_soft_thlds,
JEITA_SOFT);
if (rc < 0) {
smblib_err(chg, "Couldn't configure Soft Jeita rc=%d\n",
rc);
goto out;
}
rc = of_property_read_u32_array(pnode,
"qcom,jeita-soft-hys-thresholds",
chg->jeita_soft_hys_thlds, 2);
if (rc < 0) {
smblib_err(chg, "Couldn't get Soft Jeita hysteresis thresholds rc=%d\n",
rc);
goto out;
}
} else {
/* Populate the jeita-soft-thresholds */
addr = CHGR_JEITA_THRESHOLD_BASE_REG(JEITA_SOFT);
rc = smblib_batch_read(chg, addr, buff, 2);
if (rc < 0) {
pr_err("failed to read 0x%4X, rc=%d\n", addr, rc);
goto out;
}
chg->jeita_soft_thlds[1] = buff[1] | buff[0] << 8;
rc = smblib_batch_read(chg, addr + 2, buff, 2);
if (rc < 0) {
pr_err("failed to read 0x%4X, rc=%d\n", addr + 2, rc);
goto out;
}
chg->jeita_soft_thlds[0] = buff[1] | buff[0] << 8;
/*
* Update the soft jeita hysteresis 2 DegC less for warm and
* 2 DegC more for cool than the soft jeita thresholds to avoid
* overwriting the registers with invalid values.
*/
chg->jeita_soft_hys_thlds[0] =
chg->jeita_soft_thlds[0] - SOFT_JEITA_HYSTERESIS_OFFSET;
chg->jeita_soft_hys_thlds[1] =
chg->jeita_soft_thlds[1] + SOFT_JEITA_HYSTERESIS_OFFSET;
}
chg->jeita_soft_fcc[0] = chg->jeita_soft_fcc[1] = -EINVAL;
chg->jeita_soft_fv[0] = chg->jeita_soft_fv[1] = -EINVAL;
max_fcc_ma = max_fv_uv = -EINVAL;
of_property_read_u32(pnode, "qcom,fastchg-current-ma", &max_fcc_ma);
of_property_read_u32(pnode, "qcom,max-voltage-uv", &max_fv_uv);
if (max_fcc_ma <= 0 || max_fv_uv <= 0) {
smblib_err(chg, "Incorrect fastchg-current-ma or max-voltage-uv\n");
goto out;
}
rc = of_property_read_u32_array(pnode, "qcom,jeita-soft-fcc-ua",
tmp, 2);
if (rc < 0) {
smblib_err(chg, "Couldn't get fcc values for soft JEITA rc=%d\n",
rc);
goto out;
}
max_fcc_ma *= 1000;
if (tmp[0] > max_fcc_ma || tmp[1] > max_fcc_ma) {
smblib_err(chg, "Incorrect FCC value [%d %d] max: %d\n", tmp[0],
tmp[1], max_fcc_ma);
goto out;
}
chg->jeita_soft_fcc[0] = tmp[0];
chg->jeita_soft_fcc[1] = tmp[1];
rc = of_property_read_u32_array(pnode, "qcom,jeita-soft-fv-uv", tmp,
2);
if (rc < 0) {
smblib_err(chg, "Couldn't get fv values for soft JEITA rc=%d\n",
rc);
goto out;
}
if (tmp[0] > max_fv_uv || tmp[1] > max_fv_uv) {
smblib_err(chg, "Incorrect FV value [%d %d] max: %d\n", tmp[0],
tmp[1], max_fv_uv);
goto out;
}
chg->jeita_soft_fv[0] = tmp[0];
chg->jeita_soft_fv[1] = tmp[1];
rc = smblib_soft_jeita_arb_wa(chg);
if (rc < 0) {
smblib_err(chg, "Couldn't fix soft jeita arb rc=%d\n",
rc);
goto out;
}
chg->jeita_configured = JEITA_CFG_COMPLETE;
return;
out:
chg->jeita_configured = JEITA_CFG_FAILURE;
}
void smblib_moisture_detection_enable(struct smb_charger *chg, int pval)
{
int rc, input_present, val;
if (chg->pd_disabled)
return;
smblib_is_input_present(chg, &input_present);
if (pval) {
chg->lpd_disabled = false;
pr_debug("Moisture detection enabled\n");
if (input_present)
schedule_delayed_work(&chg->lpd_ra_open_work,
msecs_to_jiffies(300));
return;
}
chg->lpd_disabled = true;
if (!is_client_vote_enabled(chg->usb_icl_votable, LPD_VOTER))
goto done;
cancel_delayed_work_sync(&chg->lpd_ra_open_work);
alarm_cancel(&chg->lpd_recheck_timer);
vote(chg->usb_icl_votable, LPD_VOTER, false, 0);
/* restore DRP mode */
val = QTI_POWER_SUPPLY_TYPEC_PR_DUAL;
rc = smblib_set_prop_typec_power_role(chg, val);
if (rc < 0) {
smblib_err(chg, "Failed to set power-role to DRP rc=%d\n",
rc);
return;
}
chg->lpd_reason = LPD_NONE;
chg->lpd_stage = LPD_STAGE_NONE;
done:
pr_debug("Moisture detection disabled\n");
}
static void smblib_lpd_ra_open_work(struct work_struct *work)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
lpd_ra_open_work.work);
u8 stat;
int rc, val;
if (chg->pr_swap_in_progress || chg->pd_hard_reset || chg->lpd_disabled) {
chg->lpd_stage = LPD_STAGE_NONE;
goto out;
}
if (chg->lpd_stage != LPD_STAGE_FLOAT)
goto out;
rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat);
if (rc < 0) {
smblib_err(chg, "Couldn't read TYPE_C_MISC_STATUS_REG rc=%d\n",
rc);
goto out;
}
/* quit if moisture status is gone or in attached state */
if (!(stat & TYPEC_WATER_DETECTION_STATUS_BIT)
|| (stat & TYPEC_TCCDEBOUNCE_DONE_STATUS_BIT)) {
chg->lpd_stage = LPD_STAGE_NONE;
goto out;
}
chg->lpd_stage = LPD_STAGE_COMMIT;
/* Enable source only mode */
val = QTI_POWER_SUPPLY_TYPEC_PR_SOURCE;
rc = smblib_set_prop_typec_power_role(chg, val);
if (rc < 0) {
smblib_err(chg, "Couldn't set typec source only mode rc=%d\n",
rc);
goto out;
}
/* Wait 1.5ms to get SBUx ready */
usleep_range(1500, 1510);
if (smblib_rsbux_low(chg, RSBU_K_300K_UV)) {
/* Moisture detected, enable sink only mode */
val = QTI_POWER_SUPPLY_TYPEC_PR_SINK;
rc = smblib_set_prop_typec_power_role(chg, val);
if (rc < 0) {
smblib_err(chg, "Couldn't set typec sink only rc=%d\n",
rc);
goto out;
}
chg->lpd_reason = LPD_MOISTURE_DETECTED;
chg->moisture_present = true;
vote(chg->usb_icl_votable, LPD_VOTER, true, 0);
} else {
/* Floating cable, disable water detection irq temporarily */
rc = smblib_masked_write(chg, TYPE_C_INTERRUPT_EN_CFG_2_REG,
TYPEC_WATER_DETECTION_INT_EN_BIT, 0);
if (rc < 0) {
smblib_err(chg, "Couldn't set TYPE_C_INTERRUPT_EN_CFG_2_REG rc=%d\n",
rc);
goto out;
}
/* restore DRP mode */
val = QTI_POWER_SUPPLY_TYPEC_PR_DUAL;
rc = smblib_set_prop_typec_power_role(chg, val);
if (rc < 0) {
smblib_err(chg, "Couldn't write 0x%02x to TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n",
val, rc);
goto out;
}
chg->lpd_reason = LPD_FLOATING_CABLE;
}
/* recheck in 60 seconds */
alarm_start_relative(&chg->lpd_recheck_timer, ms_to_ktime(60000));
out:
vote(chg->awake_votable, LPD_VOTER, false, 0);
}
static void smblib_lpd_detach_work(struct work_struct *work)
{
struct smb_charger *chg = container_of(work, struct smb_charger,
lpd_detach_work.work);
if (chg->lpd_stage == LPD_STAGE_FLOAT_CANCEL)
chg->lpd_stage = LPD_STAGE_NONE;
}
static void smblib_cp_status_change_work(struct work_struct *work)
{
int rc = 0, val;
struct smb_charger *chg = container_of(work, struct smb_charger,
cp_status_change_work);
if (!is_cp_available(chg))
goto relax;
if (chg->cp_topo == -EINVAL) {
rc = smblib_read_iio_prop(chg, CP, CP_PARALLEL_OUTPUT_MODE,
&val);
if (rc < 0) {
smblib_err(chg, "Couldn't read cp topo rc=%d\n", rc);
goto relax;
}
chg->cp_topo = val;
if (chg->cp_topo == QTI_POWER_SUPPLY_PL_OUTPUT_VBAT &&
chg->cp_reason == QTI_POWER_SUPPLY_CP_WIRELESS)
vote(chg->fcc_main_votable, WLS_PL_CHARGING_VOTER, true,
800000);
}
relax:
pm_relax(chg->dev);
}
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->fcc_main_votable = find_votable("FCC_MAIN");
if (chg->fcc_main_votable == NULL) {
rc = -EINVAL;
smblib_err(chg, "Couldn't find FCC Main votable rc=%d\n", rc);
return rc;
}
chg->fv_votable = find_votable("FV");
if (chg->fv_votable == NULL) {
rc = -EINVAL;
smblib_err(chg, "Couldn't find FV votable rc=%d\n", rc);
return rc;
}
chg->usb_icl_votable = find_votable("USB_ICL");
if (chg->usb_icl_votable == NULL) {
rc = -EINVAL;
smblib_err(chg, "Couldn't find USB_ICL votable rc=%d\n", rc);
return rc;
}
chg->pl_disable_votable = find_votable("PL_DISABLE");
if (chg->pl_disable_votable == NULL) {
rc = -EINVAL;
smblib_err(chg, "Couldn't find votable PL_DISABLE rc=%d\n", rc);
return rc;
}
chg->pl_enable_votable_indirect = find_votable("PL_ENABLE_INDIRECT");
if (chg->pl_enable_votable_indirect == NULL) {
rc = -EINVAL;
smblib_err(chg,
"Couldn't find votable PL_ENABLE_INDIRECT rc=%d\n",
rc);
return rc;
}
vote(chg->pl_disable_votable, PL_DELAY_VOTER, true, 0);
chg->smb_override_votable = create_votable("SMB_EN_OVERRIDE",
VOTE_SET_ANY,
smblib_smb_disable_override_vote_callback, chg);
if (IS_ERR(chg->smb_override_votable)) {
rc = PTR_ERR(chg->smb_override_votable);
chg->smb_override_votable = NULL;
return rc;
}
chg->dc_suspend_votable = create_votable("DC_SUSPEND", VOTE_SET_ANY,
smblib_dc_suspend_vote_callback,
chg);
if (IS_ERR(chg->dc_suspend_votable)) {
rc = PTR_ERR(chg->dc_suspend_votable);
chg->dc_suspend_votable = NULL;
return rc;
}
chg->awake_votable = create_votable("AWAKE", VOTE_SET_ANY,
smblib_awake_vote_callback,
chg);
if (IS_ERR(chg->awake_votable)) {
rc = PTR_ERR(chg->awake_votable);
chg->awake_votable = NULL;
return rc;
}
chg->chg_disable_votable = create_votable("CHG_DISABLE", VOTE_SET_ANY,
smblib_chg_disable_vote_callback,
chg);
if (IS_ERR(chg->chg_disable_votable)) {
rc = PTR_ERR(chg->chg_disable_votable);
chg->chg_disable_votable = NULL;
return rc;
}
chg->limited_irq_disable_votable = create_votable(
"USB_LIMITED_IRQ_DISABLE",
VOTE_SET_ANY,
smblib_limited_irq_disable_vote_callback,
chg);
if (IS_ERR(chg->limited_irq_disable_votable)) {
rc = PTR_ERR(chg->limited_irq_disable_votable);
chg->limited_irq_disable_votable = NULL;
return rc;
}
chg->hdc_irq_disable_votable = create_votable("USB_HDC_IRQ_DISABLE",
VOTE_SET_ANY,
smblib_hdc_irq_disable_vote_callback,
chg);
if (IS_ERR(chg->hdc_irq_disable_votable)) {
rc = PTR_ERR(chg->hdc_irq_disable_votable);
chg->hdc_irq_disable_votable = NULL;
return rc;
}
chg->icl_irq_disable_votable = create_votable("USB_ICL_IRQ_DISABLE",
VOTE_SET_ANY,
smblib_icl_irq_disable_vote_callback,
chg);
if (IS_ERR(chg->icl_irq_disable_votable)) {
rc = PTR_ERR(chg->icl_irq_disable_votable);
chg->icl_irq_disable_votable = NULL;
return rc;
}
chg->temp_change_irq_disable_votable = create_votable(
"TEMP_CHANGE_IRQ_DISABLE", VOTE_SET_ANY,
smblib_temp_change_irq_disable_vote_callback, chg);
if (IS_ERR(chg->temp_change_irq_disable_votable)) {
rc = PTR_ERR(chg->temp_change_irq_disable_votable);
chg->temp_change_irq_disable_votable = NULL;
return rc;
}
chg->bat_temp_irq_disable_votable = create_votable(
"BAT_TEMP_IRQ_DISABLE", VOTE_SET_ANY,
smblib_bat_temp_irq_disable_vote_callback, chg);
if (IS_ERR(chg->bat_temp_irq_disable_votable)) {
rc = PTR_ERR(chg->bat_temp_irq_disable_votable);
chg->bat_temp_irq_disable_votable = NULL;
return rc;
}
return rc;
}
static void smblib_destroy_votables(struct smb_charger *chg)
{
if (chg->dc_suspend_votable)
destroy_votable(chg->dc_suspend_votable);
if (chg->usb_icl_votable)
destroy_votable(chg->usb_icl_votable);
if (chg->awake_votable)
destroy_votable(chg->awake_votable);
if (chg->chg_disable_votable)
destroy_votable(chg->chg_disable_votable);
if (chg->bat_temp_irq_disable_votable)
destroy_votable(chg->bat_temp_irq_disable_votable);
}
static void smblib_iio_deinit(struct smb_charger *chg)
{
if (!IS_ERR_OR_NULL(chg->iio.usbin_v_chan))
iio_channel_release(chg->iio.usbin_v_chan);
if (!IS_ERR_OR_NULL(chg->iio.usbin_i_chan))
iio_channel_release(chg->iio.usbin_i_chan);
if (!IS_ERR_OR_NULL(chg->iio.temp_chan))
iio_channel_release(chg->iio.temp_chan);
if (!IS_ERR_OR_NULL(chg->iio.sbux_chan))
iio_channel_release(chg->iio.sbux_chan);
if (!IS_ERR_OR_NULL(chg->iio.vph_v_chan))
iio_channel_release(chg->iio.vph_v_chan);
if (!IS_ERR_OR_NULL(chg->iio.die_temp_chan))
iio_channel_release(chg->iio.die_temp_chan);
if (!IS_ERR_OR_NULL(chg->iio.connector_temp_chan))
iio_channel_release(chg->iio.connector_temp_chan);
if (!IS_ERR_OR_NULL(chg->iio.skin_temp_chan))
iio_channel_release(chg->iio.skin_temp_chan);
if (!IS_ERR_OR_NULL(chg->iio.smb_temp_chan))
iio_channel_release(chg->iio.smb_temp_chan);
}
int smblib_init(struct smb_charger *chg)
{
int rc = 0, val;
struct iio_channel **iio_list;
mutex_init(&chg->smb_lock);
mutex_init(&chg->irq_status_lock);
mutex_init(&chg->dcin_aicl_lock);
mutex_init(&chg->dpdm_lock);
spin_lock_init(&chg->typec_pr_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_WORK(&chg->dcin_aicl_work, dcin_aicl_work);
INIT_WORK(&chg->cp_status_change_work, smblib_cp_status_change_work);
INIT_DELAYED_WORK(&chg->clear_hdc_work, clear_hdc_work);
INIT_DELAYED_WORK(&chg->icl_change_work, smblib_icl_change_work);
INIT_DELAYED_WORK(&chg->pl_enable_work, smblib_pl_enable_work);
INIT_DELAYED_WORK(&chg->uusb_otg_work, smblib_uusb_otg_work);
INIT_DELAYED_WORK(&chg->bb_removal_work, smblib_bb_removal_work);
INIT_DELAYED_WORK(&chg->lpd_ra_open_work, smblib_lpd_ra_open_work);
INIT_DELAYED_WORK(&chg->lpd_detach_work, smblib_lpd_detach_work);
INIT_DELAYED_WORK(&chg->thermal_regulation_work,
smblib_thermal_regulation_work);
INIT_DELAYED_WORK(&chg->usbov_dbc_work, smblib_usbov_dbc_work);
INIT_DELAYED_WORK(&chg->pr_swap_detach_work,
smblib_pr_swap_detach_work);
INIT_DELAYED_WORK(&chg->pr_lock_clear_work,
smblib_pr_lock_clear_work);
timer_setup(&chg->apsd_timer, apsd_timer_cb, 0);
INIT_DELAYED_WORK(&chg->role_reversal_check,
smblib_typec_role_check_work);
if (chg->wa_flags & CHG_TERMINATION_WA) {
INIT_WORK(&chg->chg_termination_work,
smblib_chg_termination_work);
if (alarmtimer_get_rtcdev()) {
alarm_init(&chg->chg_termination_alarm, ALARM_BOOTTIME,
chg_termination_alarm_cb);
} else {
smblib_err(chg, "Couldn't get rtc device\n");
return -ENODEV;
}
}
if (chg->uusb_moisture_protection_enabled) {
INIT_WORK(&chg->moisture_protection_work,
smblib_moisture_protection_work);
if (alarmtimer_get_rtcdev()) {
alarm_init(&chg->moisture_protection_alarm,
ALARM_BOOTTIME, moisture_protection_alarm_cb);
} else {
smblib_err(chg, "Failed to initialize moisture protection alarm\n");
return -ENODEV;
}
}
if (alarmtimer_get_rtcdev()) {
alarm_init(&chg->dcin_aicl_alarm, ALARM_REALTIME,
dcin_aicl_alarm_cb);
} else {
smblib_err(chg, "Failed to initialize dcin aicl alarm\n");
return -ENODEV;
}
chg->fake_capacity = -EINVAL;
chg->fake_input_current_limited = -EINVAL;
chg->fake_batt_status = -EINVAL;
chg->sink_src_mode = UNATTACHED_MODE;
chg->jeita_configured = false;
chg->sec_chg_selected = QTI_POWER_SUPPLY_CHARGER_SEC_NONE;
chg->cp_reason = QTI_POWER_SUPPLY_CP_NONE;
chg->thermal_status = TEMP_BELOW_RANGE;
chg->typec_irq_en = true;
chg->cp_topo = -EINVAL;
chg->dr_mode = TYPEC_PORT_DRP;
switch (chg->mode) {
case PARALLEL_MASTER:
rc = qcom_batt_init(chg->dev, &chg->chg_param);
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, chg->jeita_arb_enable,
chg->iio_chans);
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;
}
iio_list = get_ext_channels(chg->dev, smblib_qg_ext_iio_chan,
ARRAY_SIZE(smblib_qg_ext_iio_chan));
if (!IS_ERR(iio_list))
chg->iio_chan_list_qg = iio_list;
if (chg->sec_pl_present) {
iio_list = get_ext_channels(
chg->dev, smblib_parallel_ext_iio_chan,
ARRAY_SIZE(smblib_parallel_ext_iio_chan));
if (!IS_ERR(iio_list))
chg->iio_chan_list_smb_parallel = iio_list;
if (chg->iio_chan_list_smb_parallel) {
if (chg->sec_chg_selected
!= QTI_POWER_SUPPLY_CHARGER_SEC_CP) {
rc = smblib_select_sec_charger(chg,
QTI_POWER_SUPPLY_CHARGER_SEC_PL,
QTI_POWER_SUPPLY_CP_NONE,
false);
if (rc < 0)
smblib_err(chg, "Couldn't config pl charger rc=%d\n",
rc);
}
if (chg->smb_temp_max == -EINVAL) {
rc = smblib_get_thermal_threshold(chg,
SMB_REG_H_THRESHOLD_MSB_REG,
&chg->smb_temp_max);
if (rc < 0) {
dev_err(chg->dev, "Couldn't get charger_temp_max rc=%d\n",
rc);
return rc;
}
}
val = chg->smb_temp_max;
rc = smblib_write_iio_prop(chg, SMB_PARALLEL,
SMB_CHARGER_TEMP_MAX, val);
if (rc < 0) {
dev_err(chg->dev, "Couldn't set POWER_SUPPLY_PROP_CHARGER_TEMP_MAX rc=%d\n",
rc);
return rc;
}
}
}
rc = smblib_register_notifier(chg);
if (rc < 0) {
smblib_err(chg,
"Couldn't register notifier rc=%d\n", rc);
return rc;
}
break;
case PARALLEL_SLAVE:
break;
default:
smblib_err(chg, "Unsupported mode %d\n", chg->mode);
return -EINVAL;
}
return rc;
}
int smblib_deinit(struct smb_charger *chg)
{
switch (chg->mode) {
case PARALLEL_MASTER:
if (chg->uusb_moisture_protection_enabled) {
alarm_cancel(&chg->moisture_protection_alarm);
cancel_work_sync(&chg->moisture_protection_work);
}
if (chg->wa_flags & CHG_TERMINATION_WA) {
alarm_cancel(&chg->chg_termination_alarm);
cancel_work_sync(&chg->chg_termination_work);
}
del_timer_sync(&chg->apsd_timer);
cancel_work_sync(&chg->bms_update_work);
cancel_work_sync(&chg->jeita_update_work);
cancel_work_sync(&chg->pl_update_work);
cancel_work_sync(&chg->dcin_aicl_work);
cancel_work_sync(&chg->cp_status_change_work);
cancel_delayed_work_sync(&chg->clear_hdc_work);
cancel_delayed_work_sync(&chg->icl_change_work);
cancel_delayed_work_sync(&chg->pl_enable_work);
cancel_delayed_work_sync(&chg->uusb_otg_work);
cancel_delayed_work_sync(&chg->bb_removal_work);
cancel_delayed_work_sync(&chg->lpd_ra_open_work);
cancel_delayed_work_sync(&chg->lpd_detach_work);
cancel_delayed_work_sync(&chg->thermal_regulation_work);
cancel_delayed_work_sync(&chg->usbov_dbc_work);
cancel_delayed_work_sync(&chg->role_reversal_check);
cancel_delayed_work_sync(&chg->pr_swap_detach_work);
power_supply_unreg_notifier(&chg->nb);
smblib_destroy_votables(chg);
qcom_step_chg_deinit();
qcom_batt_deinit();
break;
case PARALLEL_SLAVE:
break;
default:
smblib_err(chg, "Unsupported mode %d\n", chg->mode);
return -EINVAL;
}
smblib_iio_deinit(chg);
return 0;
}
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