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path: root/drivers/power/supply/bq24190_charger.c
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Diffstat (limited to 'drivers/power/supply/bq24190_charger.c')
-rw-r--r--drivers/power/supply/bq24190_charger.c149
1 files changed, 114 insertions, 35 deletions
diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c
index bd9e5c3d8cc2..d5a707e14526 100644
--- a/drivers/power/supply/bq24190_charger.c
+++ b/drivers/power/supply/bq24190_charger.c
@@ -533,6 +533,9 @@ static int bq24190_register_reset(struct bq24190_dev_info *bdi)
int ret, limit = 100;
u8 v;
+ if (device_property_read_bool(bdi->dev, "disable-reset"))
+ return 0;
+
/* Reset the registers */
ret = bq24190_write_mask(bdi, BQ24190_REG_POC,
BQ24190_REG_POC_RESET_MASK,
@@ -659,22 +662,25 @@ static int bq24190_charger_get_health(struct bq24190_dev_info *bdi,
v = bdi->f_reg;
mutex_unlock(&bdi->f_reg_lock);
- if (v & BQ24190_REG_F_BOOST_FAULT_MASK) {
- /*
- * This could be over-current or over-voltage but there's
- * no way to tell which. Return 'OVERVOLTAGE' since there
- * isn't an 'OVERCURRENT' value defined that we can return
- * even if it was over-current.
- */
- health = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
- } else {
- v &= BQ24190_REG_F_CHRG_FAULT_MASK;
- v >>= BQ24190_REG_F_CHRG_FAULT_SHIFT;
-
- switch (v) {
- case 0x0: /* Normal */
- health = POWER_SUPPLY_HEALTH_GOOD;
+ if (v & BQ24190_REG_F_NTC_FAULT_MASK) {
+ switch (v >> BQ24190_REG_F_NTC_FAULT_SHIFT & 0x7) {
+ case 0x1: /* TS1 Cold */
+ case 0x3: /* TS2 Cold */
+ case 0x5: /* Both Cold */
+ health = POWER_SUPPLY_HEALTH_COLD;
+ break;
+ case 0x2: /* TS1 Hot */
+ case 0x4: /* TS2 Hot */
+ case 0x6: /* Both Hot */
+ health = POWER_SUPPLY_HEALTH_OVERHEAT;
break;
+ default:
+ health = POWER_SUPPLY_HEALTH_UNKNOWN;
+ }
+ } else if (v & BQ24190_REG_F_BAT_FAULT_MASK) {
+ health = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
+ } else if (v & BQ24190_REG_F_CHRG_FAULT_MASK) {
+ switch (v >> BQ24190_REG_F_CHRG_FAULT_SHIFT & 0x3) {
case 0x1: /* Input Fault (VBUS OVP or VBAT<VBUS<3.8V) */
/*
* This could be over-voltage or under-voltage
@@ -691,9 +697,19 @@ static int bq24190_charger_get_health(struct bq24190_dev_info *bdi,
case 0x3: /* Charge Safety Timer Expiration */
health = POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE;
break;
- default:
- health = POWER_SUPPLY_HEALTH_UNKNOWN;
+ default: /* prevent compiler warning */
+ health = -1;
}
+ } else if (v & BQ24190_REG_F_BOOST_FAULT_MASK) {
+ /*
+ * This could be over-current or over-voltage but there's
+ * no way to tell which. Return 'OVERVOLTAGE' since there
+ * isn't an 'OVERCURRENT' value defined that we can return
+ * even if it was over-current.
+ */
+ health = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
+ } else {
+ health = POWER_SUPPLY_HEALTH_GOOD;
}
val->intval = health;
@@ -704,19 +720,59 @@ static int bq24190_charger_get_health(struct bq24190_dev_info *bdi,
static int bq24190_charger_get_online(struct bq24190_dev_info *bdi,
union power_supply_propval *val)
{
- u8 v;
+ u8 pg_stat, batfet_disable;
int ret;
ret = bq24190_read_mask(bdi, BQ24190_REG_SS,
BQ24190_REG_SS_PG_STAT_MASK,
- BQ24190_REG_SS_PG_STAT_SHIFT, &v);
+ BQ24190_REG_SS_PG_STAT_SHIFT, &pg_stat);
if (ret < 0)
return ret;
- val->intval = v;
+ ret = bq24190_read_mask(bdi, BQ24190_REG_MOC,
+ BQ24190_REG_MOC_BATFET_DISABLE_MASK,
+ BQ24190_REG_MOC_BATFET_DISABLE_SHIFT, &batfet_disable);
+ if (ret < 0)
+ return ret;
+
+ val->intval = pg_stat && !batfet_disable;
+
return 0;
}
+static int bq24190_battery_set_online(struct bq24190_dev_info *bdi,
+ const union power_supply_propval *val);
+static int bq24190_battery_get_status(struct bq24190_dev_info *bdi,
+ union power_supply_propval *val);
+static int bq24190_battery_get_temp_alert_max(struct bq24190_dev_info *bdi,
+ union power_supply_propval *val);
+static int bq24190_battery_set_temp_alert_max(struct bq24190_dev_info *bdi,
+ const union power_supply_propval *val);
+
+static int bq24190_charger_set_online(struct bq24190_dev_info *bdi,
+ const union power_supply_propval *val)
+{
+ return bq24190_battery_set_online(bdi, val);
+}
+
+static int bq24190_charger_get_status(struct bq24190_dev_info *bdi,
+ union power_supply_propval *val)
+{
+ return bq24190_battery_get_status(bdi, val);
+}
+
+static int bq24190_charger_get_temp_alert_max(struct bq24190_dev_info *bdi,
+ union power_supply_propval *val)
+{
+ return bq24190_battery_get_temp_alert_max(bdi, val);
+}
+
+static int bq24190_charger_set_temp_alert_max(struct bq24190_dev_info *bdi,
+ const union power_supply_propval *val)
+{
+ return bq24190_battery_set_temp_alert_max(bdi, val);
+}
+
static int bq24190_charger_get_current(struct bq24190_dev_info *bdi,
union power_supply_propval *val)
{
@@ -831,6 +887,12 @@ static int bq24190_charger_get_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_ONLINE:
ret = bq24190_charger_get_online(bdi, val);
break;
+ case POWER_SUPPLY_PROP_STATUS:
+ ret = bq24190_charger_get_status(bdi, val);
+ break;
+ case POWER_SUPPLY_PROP_TEMP_ALERT_MAX:
+ ret = bq24190_charger_get_temp_alert_max(bdi, val);
+ break;
case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
ret = bq24190_charger_get_current(bdi, val);
break;
@@ -879,6 +941,12 @@ static int bq24190_charger_set_property(struct power_supply *psy,
return ret;
switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ ret = bq24190_charger_set_online(bdi, val);
+ break;
+ case POWER_SUPPLY_PROP_TEMP_ALERT_MAX:
+ ret = bq24190_charger_set_temp_alert_max(bdi, val);
+ break;
case POWER_SUPPLY_PROP_CHARGE_TYPE:
ret = bq24190_charger_set_charge_type(bdi, val);
break;
@@ -904,6 +972,8 @@ static int bq24190_charger_property_is_writeable(struct power_supply *psy,
int ret;
switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ case POWER_SUPPLY_PROP_TEMP_ALERT_MAX:
case POWER_SUPPLY_PROP_CHARGE_TYPE:
case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
@@ -920,6 +990,8 @@ static enum power_supply_property bq24190_charger_properties[] = {
POWER_SUPPLY_PROP_CHARGE_TYPE,
POWER_SUPPLY_PROP_HEALTH,
POWER_SUPPLY_PROP_ONLINE,
+ POWER_SUPPLY_PROP_STATUS,
+ POWER_SUPPLY_PROP_TEMP_ALERT_MAX,
POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
@@ -1093,6 +1165,7 @@ static int bq24190_battery_get_property(struct power_supply *psy,
struct bq24190_dev_info *bdi = power_supply_get_drvdata(psy);
int ret;
+ dev_warn(bdi->dev, "warning: /sys/class/power_supply/bq24190-battery is deprecated\n");
dev_dbg(bdi->dev, "prop: %d\n", psp);
ret = pm_runtime_get_sync(bdi->dev);
@@ -1138,6 +1211,7 @@ static int bq24190_battery_set_property(struct power_supply *psy,
struct bq24190_dev_info *bdi = power_supply_get_drvdata(psy);
int ret;
+ dev_warn(bdi->dev, "warning: /sys/class/power_supply/bq24190-battery is deprecated\n");
dev_dbg(bdi->dev, "prop: %d\n", psp);
ret = pm_runtime_get_sync(bdi->dev);
@@ -1266,9 +1340,9 @@ static void bq24190_check_status(struct bq24190_dev_info *bdi)
bdi->ss_reg = ss_reg;
}
- if (alert_charger)
+ if (alert_charger || alert_battery)
power_supply_changed(bdi->charger);
- if (alert_battery)
+ if (alert_battery && bdi->battery)
power_supply_changed(bdi->battery);
dev_dbg(bdi->dev, "ss_reg: 0x%02x, f_reg: 0x%02x\n", ss_reg, f_reg);
@@ -1473,19 +1547,23 @@ static int bq24190_probe(struct i2c_client *client,
goto out_pmrt;
}
- battery_cfg.drv_data = bdi;
- bdi->battery = power_supply_register(dev, &bq24190_battery_desc,
- &battery_cfg);
- if (IS_ERR(bdi->battery)) {
- dev_err(dev, "Can't register battery\n");
- ret = PTR_ERR(bdi->battery);
- goto out_charger;
+ /* the battery class is deprecated and will be removed. */
+ /* in the interim, this property hides it. */
+ if (!device_property_read_bool(dev, "omit-battery-class")) {
+ battery_cfg.drv_data = bdi;
+ bdi->battery = power_supply_register(dev, &bq24190_battery_desc,
+ &battery_cfg);
+ if (IS_ERR(bdi->battery)) {
+ dev_err(dev, "Can't register battery\n");
+ ret = PTR_ERR(bdi->battery);
+ goto out_charger;
+ }
}
ret = bq24190_sysfs_create_group(bdi);
if (ret) {
dev_err(dev, "Can't create sysfs entries\n");
- goto out_battery;
+ goto out_charger;
}
bdi->initialized = true;
@@ -1523,10 +1601,9 @@ static int bq24190_probe(struct i2c_client *client,
out_sysfs:
bq24190_sysfs_remove_group(bdi);
-out_battery:
- power_supply_unregister(bdi->battery);
-
out_charger:
+ if (!IS_ERR_OR_NULL(bdi->battery))
+ power_supply_unregister(bdi->battery);
power_supply_unregister(bdi->charger);
out_pmrt:
@@ -1549,7 +1626,8 @@ static int bq24190_remove(struct i2c_client *client)
bq24190_register_reset(bdi);
bq24190_sysfs_remove_group(bdi);
- power_supply_unregister(bdi->battery);
+ if (bdi->battery)
+ power_supply_unregister(bdi->battery);
power_supply_unregister(bdi->charger);
if (error >= 0)
pm_runtime_put_sync(bdi->dev);
@@ -1636,7 +1714,8 @@ static __maybe_unused int bq24190_pm_resume(struct device *dev)
/* Things may have changed while suspended so alert upper layer */
power_supply_changed(bdi->charger);
- power_supply_changed(bdi->battery);
+ if (bdi->battery)
+ power_supply_changed(bdi->battery);
return 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-29 05:15:02 +0300