Merge "power: qpnp-charger: adaptive input current limiting interface"
diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c
index 11e6cc1..982c30b 100644
--- a/drivers/power/power_supply_sysfs.c
+++ b/drivers/power/power_supply_sysfs.c
@@ -147,7 +147,9 @@
POWER_SUPPLY_ATTR(voltage_min_design),
POWER_SUPPLY_ATTR(voltage_now),
POWER_SUPPLY_ATTR(voltage_avg),
+ POWER_SUPPLY_ATTR(input_voltage_regulation),
POWER_SUPPLY_ATTR(current_max),
+ POWER_SUPPLY_ATTR(input_current_max),
POWER_SUPPLY_ATTR(current_now),
POWER_SUPPLY_ATTR(current_avg),
POWER_SUPPLY_ATTR(power_now),
diff --git a/drivers/power/qpnp-charger.c b/drivers/power/qpnp-charger.c
index 3679aa9..4592e0e 100644
--- a/drivers/power/qpnp-charger.c
+++ b/drivers/power/qpnp-charger.c
@@ -273,6 +273,7 @@
struct qpnp_chg_irq chg_failed;
struct qpnp_chg_irq chg_vbatdet_lo;
struct qpnp_chg_irq batt_pres;
+ struct qpnp_chg_irq vchg_loop;
bool bat_is_cool;
bool bat_is_warm;
bool chg_done;
@@ -650,6 +651,92 @@
return rc;
}
+#define QPNP_CHG_VINMIN_MIN_MV 4200
+#define QPNP_CHG_VINMIN_HIGH_MIN_MV 5600
+#define QPNP_CHG_VINMIN_HIGH_MIN_VAL 0x2B
+#define QPNP_CHG_VINMIN_MAX_MV 9600
+#define QPNP_CHG_VINMIN_STEP_MV 50
+#define QPNP_CHG_VINMIN_STEP_HIGH_MV 200
+#define QPNP_CHG_VINMIN_MASK 0x1F
+#define QPNP_CHG_VINMIN_MIN_VAL 0x10
+static int
+qpnp_chg_vinmin_set(struct qpnp_chg_chip *chip, int voltage)
+{
+ u8 temp;
+
+ if (voltage < QPNP_CHG_VINMIN_MIN_MV
+ || voltage > QPNP_CHG_VINMIN_MAX_MV) {
+ pr_err("bad mV=%d asked to set\n", voltage);
+ return -EINVAL;
+ }
+ if (voltage >= QPNP_CHG_VINMIN_HIGH_MIN_MV) {
+ temp = QPNP_CHG_VINMIN_HIGH_MIN_VAL;
+ temp += (voltage - QPNP_CHG_VINMIN_MIN_MV)
+ / QPNP_CHG_VINMIN_STEP_HIGH_MV;
+ } else {
+ temp = QPNP_CHG_VINMIN_MIN_VAL;
+ temp += (voltage - QPNP_CHG_VINMIN_MIN_MV)
+ / QPNP_CHG_VINMIN_STEP_MV;
+ }
+
+ pr_debug("voltage=%d setting %02x\n", voltage, temp);
+ return qpnp_chg_masked_write(chip,
+ chip->chgr_base + CHGR_VIN_MIN,
+ QPNP_CHG_VINMIN_MASK, temp, 1);
+}
+
+static int
+qpnp_chg_vinmin_get(struct qpnp_chg_chip *chip)
+{
+ int rc, vin_min_mv;
+ u8 vin_min;
+
+ rc = qpnp_chg_read(chip, &vin_min, chip->chgr_base + CHGR_VIN_MIN, 1);
+ if (rc) {
+ pr_err("failed to read VIN_MIN rc=%d\n", rc);
+ return 0;
+ }
+
+ if (vin_min == 0)
+ vin_min_mv = QPNP_CHG_I_MAX_MIN_100;
+ else if (vin_min > QPNP_CHG_VINMIN_HIGH_MIN_VAL)
+ vin_min_mv = QPNP_CHG_VINMIN_HIGH_MIN_MV +
+ (vin_min - QPNP_CHG_VINMIN_HIGH_MIN_VAL)
+ * QPNP_CHG_VINMIN_STEP_HIGH_MV;
+ else
+ vin_min_mv = QPNP_CHG_VINMIN_MIN_MV +
+ (vin_min - QPNP_CHG_VINMIN_MIN_VAL)
+ * QPNP_CHG_VINMIN_STEP_MV;
+ pr_debug("vin_min= 0x%02x, ma = %d\n", vin_min, vin_min_mv);
+
+ return vin_min_mv;
+}
+
+static int
+qpnp_chg_usb_iusbmax_get(struct qpnp_chg_chip *chip)
+{
+ int rc, iusbmax_ma;
+ u8 iusbmax;
+
+ rc = qpnp_chg_read(chip, &iusbmax,
+ chip->usb_chgpth_base + CHGR_I_MAX_REG, 1);
+ if (rc) {
+ pr_err("failed to read IUSB_MAX rc=%d\n", rc);
+ return 0;
+ }
+
+ if (iusbmax == 0)
+ iusbmax_ma = QPNP_CHG_I_MAX_MIN_100;
+ else if (iusbmax == 0x01)
+ iusbmax_ma = QPNP_CHG_I_MAX_MIN_150;
+ else
+ iusbmax_ma = iusbmax * QPNP_CHG_I_MAXSTEP_MA;
+
+ pr_debug("iusbmax = 0x%02x, ma = %d\n", iusbmax, iusbmax_ma);
+
+ return iusbmax_ma;
+}
+
#define USB_SUSPEND_BIT BIT(0)
static int
qpnp_chg_usb_suspend_enable(struct qpnp_chg_chip *chip, int enable)
@@ -797,6 +884,17 @@
pr_err("request ADC error\n");
}
+static irqreturn_t
+qpnp_chg_buck_vchg_loop_irq_handler(int irq, void *_chip)
+{
+ struct qpnp_chg_chip *chip = _chip;
+
+ if (chip->bat_if_base)
+ power_supply_changed(&chip->batt_psy);
+
+ return IRQ_HANDLED;
+}
+
#define EOC_CHECK_PERIOD_MS 10000
static irqreturn_t
qpnp_chg_vbatdet_lo_irq_handler(int irq, void *_chip)
@@ -966,6 +1064,12 @@
qpnp_chg_chgr_chg_fastchg_irq_handler(int irq, void *_chip)
{
struct qpnp_chg_chip *chip = _chip;
+ u8 chgr_sts;
+ int rc;
+
+ rc = qpnp_chg_read(chip, &chgr_sts, INT_RT_STS(chip->chgr_base), 1);
+ if (rc)
+ pr_err("failed to read interrupt sts %d\n", rc);
pr_debug("FAST_CHG IRQ triggered\n");
chip->chg_done = false;
@@ -978,7 +1082,12 @@
chip->resuming_charging = false;
qpnp_chg_set_appropriate_vbatdet(chip);
}
+
qpnp_chg_enable_irq(&chip->chg_vbatdet_lo);
+ if (chgr_sts & FAST_CHG_ON_IRQ)
+ qpnp_chg_enable_irq(&chip->vchg_loop);
+ else
+ qpnp_chg_disable_irq(&chip->vchg_loop);
return IRQ_HANDLED;
}
@@ -1004,6 +1113,8 @@
switch (psp) {
case POWER_SUPPLY_PROP_CHARGING_ENABLED:
case POWER_SUPPLY_PROP_SYSTEM_TEMP_LEVEL:
+ case POWER_SUPPLY_PROP_INPUT_CURRENT_MAX:
+ case POWER_SUPPLY_PROP_VOLTAGE_MIN:
return 1;
default:
break;
@@ -1109,6 +1220,9 @@
POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_CAPACITY,
POWER_SUPPLY_PROP_CURRENT_NOW,
+ POWER_SUPPLY_PROP_INPUT_CURRENT_MAX,
+ POWER_SUPPLY_PROP_VOLTAGE_MIN,
+ POWER_SUPPLY_PROP_INPUT_VOLTAGE_REGULATION,
POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
POWER_SUPPLY_PROP_CHARGE_FULL,
POWER_SUPPLY_PROP_TEMP,
@@ -1124,6 +1238,9 @@
"bms",
};
+static int charger_monitor;
+module_param(charger_monitor, int, 0644);
+
#define USB_WALL_THRESHOLD_MA 500
static int
qpnp_power_get_property_mains(struct power_supply *psy,
@@ -1375,6 +1492,23 @@
return ret.intval;
}
+static int get_prop_vchg_loop(struct qpnp_chg_chip *chip)
+{
+ u8 buck_sts;
+ int rc;
+
+ rc = qpnp_chg_read(chip, &buck_sts, INT_RT_STS(chip->buck_base), 1);
+
+ if (rc) {
+ pr_err("spmi read failed: addr=%03X, rc=%d\n",
+ INT_RT_STS(chip->buck_base), rc);
+ return rc;
+ }
+ pr_debug("buck usb sts 0x%x\n", buck_sts);
+
+ return (buck_sts & VCHG_LOOP_IRQ) ? 1 : 0;
+}
+
static void
qpnp_batt_external_power_changed(struct power_supply *psy)
{
@@ -1398,7 +1532,13 @@
qpnp_chg_iusbmax_set(chip, QPNP_CHG_I_MAX_MIN_100);
} else {
qpnp_chg_usb_suspend_enable(chip, 0);
- qpnp_chg_iusbmax_set(chip, ret.intval / 1000);
+ if (((ret.intval / 1000) > USB_WALL_THRESHOLD_MA)
+ && (charger_monitor)) {
+ qpnp_chg_iusbmax_set(chip,
+ USB_WALL_THRESHOLD_MA);
+ } else {
+ qpnp_chg_iusbmax_set(chip, ret.intval / 1000);
+ }
}
}
@@ -1463,6 +1603,15 @@
case POWER_SUPPLY_PROP_CYCLE_COUNT:
val->intval = get_prop_cycle_count(chip);
break;
+ case POWER_SUPPLY_PROP_INPUT_VOLTAGE_REGULATION:
+ val->intval = get_prop_vchg_loop(chip);
+ break;
+ case POWER_SUPPLY_PROP_INPUT_CURRENT_MAX:
+ val->intval = qpnp_chg_usb_iusbmax_get(chip) * 1000;
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_MIN:
+ val->intval = qpnp_chg_vinmin_get(chip) * 1000;
+ break;
default:
return -EINVAL;
}
@@ -1502,38 +1651,6 @@
mask, btc_cfg, 1);
}
-#define QPNP_CHG_VINMIN_MIN_MV 4200
-#define QPNP_CHG_VINMIN_HIGH_MIN_MV 5600
-#define QPNP_CHG_VINMIN_HIGH_MIN_VAL 0x2B
-#define QPNP_CHG_VINMIN_MAX_MV 9600
-#define QPNP_CHG_VINMIN_STEP_MV 50
-#define QPNP_CHG_VINMIN_STEP_HIGH_MV 200
-#define QPNP_CHG_VINMIN_MASK 0x1F
-static int
-qpnp_chg_vinmin_set(struct qpnp_chg_chip *chip, int voltage)
-{
- u8 temp;
-
- if (voltage < QPNP_CHG_VINMIN_MIN_MV
- || voltage > QPNP_CHG_VINMIN_MAX_MV) {
- pr_err("bad mV=%d asked to set\n", voltage);
- return -EINVAL;
- }
- if (voltage >= QPNP_CHG_VINMIN_HIGH_MIN_MV) {
- temp = QPNP_CHG_VINMIN_HIGH_MIN_VAL;
- temp += (voltage - QPNP_CHG_VINMIN_MIN_MV)
- / QPNP_CHG_VINMIN_STEP_HIGH_MV;
- } else {
- temp = (voltage - QPNP_CHG_VINMIN_MIN_MV)
- / QPNP_CHG_VINMIN_STEP_MV;
- }
-
- pr_debug("voltage=%d setting %02x\n", voltage, temp);
- return qpnp_chg_masked_write(chip,
- chip->chgr_base + CHGR_VIN_MIN,
- QPNP_CHG_VINMIN_MASK, temp, 1);
-}
-
#define QPNP_CHG_IBATSAFE_MIN_MA 100
#define QPNP_CHG_IBATSAFE_MAX_MA 3250
#define QPNP_CHG_I_STEP_MA 50
@@ -2214,6 +2331,12 @@
case POWER_SUPPLY_PROP_SYSTEM_TEMP_LEVEL:
qpnp_batt_system_temp_level_set(chip, val->intval);
break;
+ case POWER_SUPPLY_PROP_INPUT_CURRENT_MAX:
+ qpnp_chg_iusbmax_set(chip, val->intval / 1000);
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_MIN:
+ qpnp_chg_vinmin_set(chip, val->intval / 1000);
+ break;
default:
return -EINVAL;
}
@@ -2363,6 +2486,29 @@
enable_irq_wake(chip->batt_pres.irq);
break;
+ case SMBB_BUCK_SUBTYPE:
+ case SMBBP_BUCK_SUBTYPE:
+ case SMBCL_BUCK_SUBTYPE:
+ chip->vchg_loop.irq = spmi_get_irq_byname(spmi,
+ spmi_resource, "vchg-loop");
+ if (chip->vchg_loop.irq < 0) {
+ pr_err("Unable to get vchg-loop irq\n");
+ return rc;
+ }
+ rc = devm_request_irq(chip->dev, chip->vchg_loop.irq,
+ qpnp_chg_buck_vchg_loop_irq_handler,
+ IRQF_TRIGGER_RISING,
+ "vchg-loop", chip);
+ if (rc < 0) {
+ pr_err("Can't request %d vchg-loop irq: %d\n",
+ chip->vchg_loop.irq, rc);
+ return rc;
+ }
+
+ enable_irq_wake(chip->vchg_loop.irq);
+ qpnp_chg_disable_irq(&chip->vchg_loop);
+ break;
+
case SMBB_USB_CHGPTH_SUBTYPE:
case SMBBP_USB_CHGPTH_SUBTYPE:
case SMBCL_USB_CHGPTH_SUBTYPE:
@@ -3186,6 +3332,66 @@
return rc;
}
+static int
+qpnp_chg_ops_set(const char *val, const struct kernel_param *kp)
+{
+ return -EINVAL;
+}
+
+#define MAX_LEN_VADC 10
+static int
+qpnp_chg_usb_in_get(char *val, const struct kernel_param *kp)
+{
+ int rc;
+ struct qpnp_vadc_result results;
+
+ rc = qpnp_vadc_is_ready();
+ if (rc)
+ return rc;
+
+ rc = qpnp_vadc_read(USBIN, &results);
+ if (rc) {
+ pr_err("Unable to read vchg rc=%d\n", rc);
+ return 0;
+ }
+ rc = snprintf(val, MAX_LEN_VADC, "%lld\n", results.physical);
+
+ return rc;
+}
+
+static int
+qpnp_chg_vchg_get(char *val, const struct kernel_param *kp)
+{
+ int rc;
+ struct qpnp_vadc_result results;
+
+ rc = qpnp_vadc_is_ready();
+ if (rc)
+ return rc;
+
+ rc = qpnp_vadc_read(VCHG_SNS, &results);
+ if (rc) {
+ pr_err("Unable to read vchg rc=%d\n", rc);
+ return 0;
+ }
+ rc = snprintf(val, MAX_LEN_VADC, "%lld\n", results.physical);
+
+ return rc;
+}
+
+static struct kernel_param_ops usb_in_uv_param_ops = {
+ .set = qpnp_chg_ops_set,
+ .get = qpnp_chg_usb_in_get,
+};
+
+static struct kernel_param_ops vchg_uv_param_ops = {
+ .set = qpnp_chg_ops_set,
+ .get = qpnp_chg_vchg_get,
+};
+
+module_param_cb(usb_in_uv, &usb_in_uv_param_ops, NULL, 0644);
+module_param_cb(vchg_uv, &vchg_uv_param_ops, NULL, 0644);
+
static const struct dev_pm_ops qpnp_chg_pm_ops = {
.resume = qpnp_chg_resume,
.suspend = qpnp_chg_suspend,
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 3d7b1c9..5d6cdac 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -98,7 +98,9 @@
POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_VOLTAGE_AVG,
+ POWER_SUPPLY_PROP_INPUT_VOLTAGE_REGULATION,
POWER_SUPPLY_PROP_CURRENT_MAX,
+ POWER_SUPPLY_PROP_INPUT_CURRENT_MAX,
POWER_SUPPLY_PROP_CURRENT_NOW,
POWER_SUPPLY_PROP_CURRENT_AVG,
POWER_SUPPLY_PROP_POWER_NOW,
@@ -283,6 +285,7 @@
case POWER_SUPPLY_PROP_CHARGE_COUNTER:
case POWER_SUPPLY_PROP_CHARGE_COUNTER_SHADOW:
case POWER_SUPPLY_PROP_CURRENT_MAX:
+ case POWER_SUPPLY_PROP_INPUT_CURRENT_MAX:
case POWER_SUPPLY_PROP_CURRENT_NOW:
case POWER_SUPPLY_PROP_CURRENT_AVG:
return 1;