@@ -174,6 +174,15 @@ config BATTERY_PMU
Say Y here to expose battery information on Apple machines
through the generic battery class.
+config BATTERY_QCOM_BATTMGR
+ tristate "Qualcomm PMIC GLINK battery manager support"
+ depends on QCOM_PMIC_GLINK
+ select AUXILIARY_BUS
+ help
+ Say Y here to enable the Qualcomm PMIC GLINK power supply driver,
+ which is used on modern Qualcomm platforms to provide battery and
+ power supply information.
+
config BATTERY_OLPC
tristate "One Laptop Per Child battery"
depends on OLPC_EC
@@ -33,6 +33,7 @@ obj-$(CONFIG_BATTERY_GAUGE_LTC2941) += ltc2941-battery-gauge.o
obj-$(CONFIG_BATTERY_GOLDFISH) += goldfish_battery.o
obj-$(CONFIG_BATTERY_LEGO_EV3) += lego_ev3_battery.o
obj-$(CONFIG_BATTERY_PMU) += pmu_battery.o
+obj-$(CONFIG_BATTERY_QCOM_BATTMGR) += qcom_battmgr.o
obj-$(CONFIG_BATTERY_OLPC) += olpc_battery.o
obj-$(CONFIG_BATTERY_SAMSUNG_SDI) += samsung-sdi-battery.o
obj-$(CONFIG_BATTERY_COLLIE) += collie_battery.o
new file mode 100644
@@ -0,0 +1,1411 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022, Linaro Ltd
+ */
+#include <linux/auxiliary_bus.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/of_device.h>
+#include <linux/power_supply.h>
+#include <linux/soc/qcom/pdr.h>
+#include <linux/soc/qcom/pmic_glink.h>
+#include <linux/math.h>
+#include <linux/units.h>
+
+#define BATTMGR_CHEMISTRY_LEN 4
+#define BATTMGR_STRING_LEN 128
+
+enum qcom_battmgr_variant {
+ QCOM_BATTMGR_SM8350,
+ QCOM_BATTMGR_SC8280XP,
+};
+
+#define BATTMGR_BAT_STATUS 0x1
+
+#define BATTMGR_REQUEST_NOTIFICATION 0x4
+
+#define BATTMGR_NOTIFICATION 0x7
+#define NOTIF_BAT_PROPERTY 0x30
+#define NOTIF_USB_PROPERTY 0x32
+#define NOTIF_WLS_PROPERTY 0x34
+#define NOTIF_BAT_INFO 0x81
+#define NOTIF_BAT_STATUS 0x80
+
+#define BATTMGR_BAT_INFO 0x9
+
+#define BATTMGR_BAT_DISCHARGE_TIME 0xc
+
+#define BATTMGR_BAT_CHARGE_TIME 0xd
+
+#define BATTMGR_BAT_PROPERTY_GET 0x30
+#define BATTMGR_BAT_PROPERTY_SET 0x31
+#define BATT_STATUS 0
+#define BATT_HEALTH 1
+#define BATT_PRESENT 2
+#define BATT_CHG_TYPE 3
+#define BATT_CAPACITY 4
+#define BATT_SOH 5
+#define BATT_VOLT_OCV 6
+#define BATT_VOLT_NOW 7
+#define BATT_VOLT_MAX 8
+#define BATT_CURR_NOW 9
+#define BATT_CHG_CTRL_LIM 10
+#define BATT_CHG_CTRL_LIM_MAX 11
+#define BATT_TEMP 12
+#define BATT_TECHNOLOGY 13
+#define BATT_CHG_COUNTER 14
+#define BATT_CYCLE_COUNT 15
+#define BATT_CHG_FULL_DESIGN 16
+#define BATT_CHG_FULL 17
+#define BATT_MODEL_NAME 18
+#define BATT_TTF_AVG 19
+#define BATT_TTE_AVG 20
+#define BATT_RESISTANCE 21
+#define BATT_POWER_NOW 22
+#define BATT_POWER_AVG 23
+
+#define BATTMGR_USB_PROPERTY_GET 0x32
+#define BATTMGR_USB_PROPERTY_SET 0x33
+#define USB_ONLINE 0
+#define USB_VOLT_NOW 1
+#define USB_VOLT_MAX 2
+#define USB_CURR_NOW 3
+#define USB_CURR_MAX 4
+#define USB_INPUT_CURR_LIMIT 5
+#define USB_TYPE 6
+#define USB_ADAP_TYPE 7
+#define USB_MOISTURE_DET_EN 8
+#define USB_MOISTURE_DET_STS 9
+
+#define BATTMGR_WLS_PROPERTY_GET 0x34
+#define BATTMGR_WLS_PROPERTY_SET 0x35
+#define WLS_ONLINE 0
+#define WLS_VOLT_NOW 1
+#define WLS_VOLT_MAX 2
+#define WLS_CURR_NOW 3
+#define WLS_CURR_MAX 4
+#define WLS_TYPE 5
+#define WLS_BOOST_EN 6
+
+struct qcom_battmgr_enable_request {
+ struct pmic_glink_hdr hdr;
+ __le32 battery_id;
+ __le32 power_state;
+ __le32 low_capacity;
+ __le32 high_capacity;
+};
+
+struct qcom_battmgr_property_request {
+ struct pmic_glink_hdr hdr;
+ __le32 battery;
+ __le32 property;
+ __le32 value;
+};
+
+struct qcom_battmgr_update_request {
+ struct pmic_glink_hdr hdr;
+ u32 battery_id;
+};
+
+struct qcom_battmgr_charge_time_request {
+ struct pmic_glink_hdr hdr;
+ __le32 battery_id;
+ __le32 percent;
+ __le32 reserved;
+};
+
+struct qcom_battmgr_discharge_time_request {
+ struct pmic_glink_hdr hdr;
+ __le32 battery_id;
+ __le32 rate; /* 0 for current rate */
+ __le32 reserved;
+};
+
+struct qcom_battmgr_message {
+ struct pmic_glink_hdr hdr;
+ union {
+ struct {
+ __le32 property;
+ __le32 value;
+ __le32 result;
+ } intval;
+ struct {
+ __le32 property;
+ char model[BATTMGR_STRING_LEN];
+ } strval;
+ struct {
+ /*
+ * 0: mWh
+ * 1: mAh
+ */
+ __le32 power_unit;
+ __le32 design_capacity;
+ __le32 last_full_capacity;
+ /*
+ * 0 nonrechargable
+ * 1 rechargable
+ */
+ __le32 battery_tech;
+ __le32 design_voltage; /* mV */
+ __le32 capacity_low;
+ __le32 capacity_warning;
+ __le32 cycle_count;
+ /* thousandth of persent */
+ __le32 accuracy;
+ __le32 max_sample_time_ms;
+ __le32 min_sample_time_ms;
+ __le32 max_average_interval_ms;
+ __le32 min_average_interval_ms;
+ /* granularity between low and warning */
+ __le32 capacity_granularity1;
+ /* granularity between warning and full */
+ __le32 capacity_granularity2;
+ /*
+ * 0: no
+ * 1: cold
+ * 2: hot
+ */
+ __le32 swappable;
+ __le32 capabilities;
+ char model_number[BATTMGR_STRING_LEN];
+ char serial_number[BATTMGR_STRING_LEN];
+ char battery_type[BATTMGR_STRING_LEN];
+ char oem_info[BATTMGR_STRING_LEN];
+ char battery_chemistry[BATTMGR_CHEMISTRY_LEN];
+ char uid[BATTMGR_STRING_LEN];
+ __le32 critical_bias;
+ u8 day;
+ u8 month;
+ __le16 year;
+ __le32 battery_id;
+ } info;
+ struct {
+ /*
+ * BIT(0) discharging
+ * BIT(1) charging
+ * BIT(2) critical low
+ */
+ __le32 battery_state;
+ /* mWh or mAh, based on info->power_unit */
+ __le32 capacity;
+ __le32 rate;
+ /* mv */
+ __le32 battery_voltage;
+ /*
+ * BIT(0) power online
+ * BIT(1) discharging
+ * BIT(2) charging
+ * BIT(3) battery critical
+ */
+ __le32 power_state;
+ /*
+ * 1: AC
+ * 2: USB
+ * 3: Wireless
+ */
+ __le32 charging_source;
+ __le32 temperature;
+ } status;
+ __le32 time;
+ __le32 notification;
+ };
+};
+
+#define BATTMGR_CHARGING_SOURCE_AC 1
+#define BATTMGR_CHARGING_SOURCE_USB 2
+#define BATTMGR_CHARGING_SOURCE_WIRELESS 3
+
+enum qcom_battmgr_unit {
+ QCOM_BATTMGR_UNIT_mWh = 0,
+ QCOM_BATTMGR_UNIT_mAh = 1
+};
+
+struct qcom_battmgr_info {
+ bool valid;
+
+ bool present;
+ unsigned int charge_type;
+ unsigned int design_capacity;
+ unsigned int last_full_capacity;
+ unsigned int voltage_max_design;
+ unsigned int voltage_max;
+ unsigned int capacity_low;
+ unsigned int capacity_warning;
+ unsigned int cycle_count;
+ unsigned int charge_count;
+ char model_number[BATTMGR_STRING_LEN];
+ char serial_number[BATTMGR_STRING_LEN];
+ char oem_info[BATTMGR_STRING_LEN];
+ unsigned char technology;
+ unsigned char day;
+ unsigned char month;
+ unsigned short year;
+};
+
+struct qcom_battmgr_status {
+ unsigned int status;
+ unsigned int health;
+ unsigned int capacity;
+ unsigned int percent;
+ int current_now;
+ int power_now;
+ unsigned int voltage_now;
+ unsigned int voltage_ocv;
+ unsigned int temperature;
+
+ unsigned int discharge_time;
+ unsigned int charge_time;
+};
+
+struct qcom_battmgr_ac {
+ bool online;
+};
+
+struct qcom_battmgr_usb {
+ bool online;
+ unsigned int voltage_now;
+ unsigned int voltage_max;
+ unsigned int current_now;
+ unsigned int current_max;
+ unsigned int current_limit;
+ unsigned int usb_type;
+};
+
+struct qcom_battmgr_wireless {
+ bool online;
+ unsigned int voltage_now;
+ unsigned int voltage_max;
+ unsigned int current_now;
+ unsigned int current_max;
+};
+
+struct qcom_battmgr {
+ struct device *dev;
+ struct pmic_glink_client *client;
+
+ enum qcom_battmgr_variant variant;
+
+ struct power_supply *ac_psy;
+ struct power_supply *bat_psy;
+ struct power_supply *usb_psy;
+ struct power_supply *wls_psy;
+
+ enum qcom_battmgr_unit unit;
+
+ int error;
+ struct completion ack;
+
+ bool service_up;
+
+ struct qcom_battmgr_info info;
+ struct qcom_battmgr_status status;
+ struct qcom_battmgr_ac ac;
+ struct qcom_battmgr_usb usb;
+ struct qcom_battmgr_wireless wireless;
+
+ struct work_struct enable_work;
+
+ /*
+ * @lock is used to prevent concurrent power supply requests to the
+ * firmware, as it then stops responding.
+ */
+ struct mutex lock;
+};
+
+static int qcom_battmgr_request(struct qcom_battmgr *battmgr, void *data, size_t len)
+{
+ unsigned long left;
+ int ret;
+
+ reinit_completion(&battmgr->ack);
+
+ battmgr->error = 0;
+
+ ret = pmic_glink_send(battmgr->client, data, len);
+ if (ret < 0)
+ return ret;
+
+ left = wait_for_completion_timeout(&battmgr->ack, HZ);
+ if (!left)
+ return -ETIMEDOUT;
+
+ return battmgr->error;
+}
+
+static int qcom_battmgr_request_property(struct qcom_battmgr *battmgr, int opcode,
+ int property, u32 value)
+{
+ struct qcom_battmgr_property_request request = {
+ .hdr.owner = cpu_to_le32(PMIC_GLINK_OWNER_BATTMGR),
+ .hdr.type = cpu_to_le32(PMIC_GLINK_REQ_RESP),
+ .hdr.opcode = cpu_to_le32(opcode),
+ .battery = cpu_to_le32(0),
+ .property = cpu_to_le32(property),
+ .value = cpu_to_le32(value),
+ };
+
+ return qcom_battmgr_request(battmgr, &request, sizeof(request));
+}
+
+static int qcom_battmgr_update_status(struct qcom_battmgr *battmgr)
+{
+ struct qcom_battmgr_update_request request = {
+ .hdr.owner = cpu_to_le32(PMIC_GLINK_OWNER_BATTMGR),
+ .hdr.type = cpu_to_le32(PMIC_GLINK_REQ_RESP),
+ .hdr.opcode = cpu_to_le32(BATTMGR_BAT_STATUS),
+ .battery_id = cpu_to_le32(0),
+ };
+
+ return qcom_battmgr_request(battmgr, &request, sizeof(request));
+}
+
+static int qcom_battmgr_update_info(struct qcom_battmgr *battmgr)
+{
+ struct qcom_battmgr_update_request request = {
+ .hdr.owner = cpu_to_le32(PMIC_GLINK_OWNER_BATTMGR),
+ .hdr.type = cpu_to_le32(PMIC_GLINK_REQ_RESP),
+ .hdr.opcode = cpu_to_le32(BATTMGR_BAT_INFO),
+ .battery_id = cpu_to_le32(0),
+ };
+
+ return qcom_battmgr_request(battmgr, &request, sizeof(request));
+}
+
+static int qcom_battmgr_update_charge_time(struct qcom_battmgr *battmgr)
+{
+ struct qcom_battmgr_charge_time_request request = {
+ .hdr.owner = cpu_to_le32(PMIC_GLINK_OWNER_BATTMGR),
+ .hdr.type = cpu_to_le32(PMIC_GLINK_REQ_RESP),
+ .hdr.opcode = cpu_to_le32(BATTMGR_BAT_CHARGE_TIME),
+ .battery_id = cpu_to_le32(0),
+ .percent = cpu_to_le32(100),
+ };
+
+ return qcom_battmgr_request(battmgr, &request, sizeof(request));
+}
+
+static int qcom_battmgr_update_discharge_time(struct qcom_battmgr *battmgr)
+{
+ struct qcom_battmgr_discharge_time_request request = {
+ .hdr.owner = cpu_to_le32(PMIC_GLINK_OWNER_BATTMGR),
+ .hdr.type = cpu_to_le32(PMIC_GLINK_REQ_RESP),
+ .hdr.opcode = cpu_to_le32(BATTMGR_BAT_DISCHARGE_TIME),
+ .battery_id = cpu_to_le32(0),
+ .rate = cpu_to_le32(0),
+ };
+
+ return qcom_battmgr_request(battmgr, &request, sizeof(request));
+}
+
+static const u8 sm8350_bat_prop_map[] = {
+ [POWER_SUPPLY_PROP_STATUS] = BATT_STATUS,
+ [POWER_SUPPLY_PROP_HEALTH] = BATT_HEALTH,
+ [POWER_SUPPLY_PROP_PRESENT] = BATT_PRESENT,
+ [POWER_SUPPLY_PROP_CHARGE_TYPE] = BATT_CHG_TYPE,
+ [POWER_SUPPLY_PROP_CAPACITY] = BATT_CAPACITY,
+ [POWER_SUPPLY_PROP_VOLTAGE_OCV] = BATT_VOLT_OCV,
+ [POWER_SUPPLY_PROP_VOLTAGE_NOW] = BATT_VOLT_NOW,
+ [POWER_SUPPLY_PROP_VOLTAGE_MAX] = BATT_VOLT_MAX,
+ [POWER_SUPPLY_PROP_CURRENT_NOW] = BATT_CURR_NOW,
+ [POWER_SUPPLY_PROP_TEMP] = BATT_TEMP,
+ [POWER_SUPPLY_PROP_TECHNOLOGY] = BATT_TECHNOLOGY,
+ [POWER_SUPPLY_PROP_CHARGE_COUNTER] = BATT_CHG_COUNTER,
+ [POWER_SUPPLY_PROP_CYCLE_COUNT] = BATT_CYCLE_COUNT,
+ [POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN] = BATT_CHG_FULL_DESIGN,
+ [POWER_SUPPLY_PROP_CHARGE_FULL] = BATT_CHG_FULL,
+ [POWER_SUPPLY_PROP_MODEL_NAME] = BATT_MODEL_NAME,
+ [POWER_SUPPLY_PROP_TIME_TO_FULL_AVG] = BATT_TTF_AVG,
+ [POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG] = BATT_TTE_AVG,
+ [POWER_SUPPLY_PROP_POWER_NOW] = BATT_POWER_NOW,
+};
+
+static int qcom_battmgr_bat_sm8350_update(struct qcom_battmgr *battmgr,
+ enum power_supply_property psp)
+{
+ unsigned int prop;
+ int ret;
+
+ if (psp >= ARRAY_SIZE(sm8350_bat_prop_map))
+ return -EINVAL;
+
+ prop = sm8350_bat_prop_map[psp];
+
+ mutex_lock(&battmgr->lock);
+ ret = qcom_battmgr_request_property(battmgr, BATTMGR_BAT_PROPERTY_GET, prop, 0);
+ mutex_unlock(&battmgr->lock);
+
+ return ret;
+}
+
+static int qcom_battmgr_bat_sc8280xp_update(struct qcom_battmgr *battmgr,
+ enum power_supply_property psp)
+{
+ int ret;
+
+ mutex_lock(&battmgr->lock);
+
+ if (!battmgr->info.valid) {
+ ret = qcom_battmgr_update_info(battmgr);
+ if (ret < 0)
+ goto out_unlock;
+ battmgr->info.valid = true;
+ }
+
+ ret = qcom_battmgr_update_status(battmgr);
+ if (ret < 0)
+ goto out_unlock;
+
+ if (psp == POWER_SUPPLY_PROP_TIME_TO_FULL_AVG) {
+ ret = qcom_battmgr_update_charge_time(battmgr);
+ if (ret < 0) {
+ ret = -ENODATA;
+ goto out_unlock;
+ }
+ }
+
+ if (psp == POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG) {
+ ret = qcom_battmgr_update_discharge_time(battmgr);
+ if (ret < 0) {
+ ret = -ENODATA;
+ goto out_unlock;
+ }
+ }
+
+out_unlock:
+ mutex_unlock(&battmgr->lock);
+ return ret;
+}
+
+static int qcom_battmgr_bat_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct qcom_battmgr *battmgr = power_supply_get_drvdata(psy);
+ enum qcom_battmgr_unit unit = battmgr->unit;
+ int ret;
+
+ if (!battmgr->service_up)
+ return -ENODEV;
+
+ if (battmgr->variant == QCOM_BATTMGR_SC8280XP)
+ ret = qcom_battmgr_bat_sc8280xp_update(battmgr, psp);
+ else
+ ret = qcom_battmgr_bat_sm8350_update(battmgr, psp);
+ if (ret < 0)
+ return ret;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_STATUS:
+ val->intval = battmgr->status.status;
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_TYPE:
+ val->intval = battmgr->info.charge_type;
+ break;
+ case POWER_SUPPLY_PROP_HEALTH:
+ val->intval = battmgr->status.health;
+ break;
+ case POWER_SUPPLY_PROP_PRESENT:
+ val->intval = battmgr->info.present;
+ break;
+ case POWER_SUPPLY_PROP_TECHNOLOGY:
+ val->intval = battmgr->info.technology;
+ break;
+ case POWER_SUPPLY_PROP_CYCLE_COUNT:
+ val->intval = battmgr->info.cycle_count;
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
+ val->intval = battmgr->info.voltage_max_design;
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_MAX:
+ val->intval = battmgr->info.voltage_max;
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+ val->intval = battmgr->status.voltage_now;
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_OCV:
+ val->intval = battmgr->status.voltage_ocv;
+ break;
+ case POWER_SUPPLY_PROP_CURRENT_NOW:
+ val->intval = battmgr->status.current_now;
+ break;
+ case POWER_SUPPLY_PROP_POWER_NOW:
+ val->intval = battmgr->status.power_now;
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
+ if (unit != QCOM_BATTMGR_UNIT_mAh)
+ return -ENODATA;
+ val->intval = battmgr->info.design_capacity;
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_FULL:
+ if (unit != QCOM_BATTMGR_UNIT_mAh)
+ return -ENODATA;
+ val->intval = battmgr->info.last_full_capacity;
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_EMPTY:
+ if (unit != QCOM_BATTMGR_UNIT_mAh)
+ return -ENODATA;
+ val->intval = battmgr->info.capacity_low;
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_NOW:
+ if (unit != QCOM_BATTMGR_UNIT_mAh)
+ return -ENODATA;
+ val->intval = battmgr->status.capacity;
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_COUNTER:
+ val->intval = battmgr->info.charge_count;
+ break;
+ case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
+ if (unit != QCOM_BATTMGR_UNIT_mWh)
+ return -ENODATA;
+ val->intval = battmgr->info.design_capacity;
+ break;
+ case POWER_SUPPLY_PROP_ENERGY_FULL:
+ if (unit != QCOM_BATTMGR_UNIT_mWh)
+ return -ENODATA;
+ val->intval = battmgr->info.last_full_capacity;
+ break;
+ case POWER_SUPPLY_PROP_ENERGY_EMPTY:
+ if (unit != QCOM_BATTMGR_UNIT_mWh)
+ return -ENODATA;
+ val->intval = battmgr->info.capacity_low;
+ break;
+ case POWER_SUPPLY_PROP_ENERGY_NOW:
+ if (unit != QCOM_BATTMGR_UNIT_mWh)
+ return -ENODATA;
+ val->intval = battmgr->status.capacity;
+ break;
+ case POWER_SUPPLY_PROP_CAPACITY:
+ val->intval = battmgr->status.percent;
+ break;
+ case POWER_SUPPLY_PROP_TEMP:
+ val->intval = battmgr->status.temperature;
+ break;
+ case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
+ val->intval = battmgr->status.discharge_time;
+ break;
+ case POWER_SUPPLY_PROP_TIME_TO_FULL_AVG:
+ val->intval = battmgr->status.charge_time;
+ break;
+ case POWER_SUPPLY_PROP_MANUFACTURE_YEAR:
+ val->intval = battmgr->info.year;
+ break;
+ case POWER_SUPPLY_PROP_MANUFACTURE_MONTH:
+ val->intval = battmgr->info.month;
+ break;
+ case POWER_SUPPLY_PROP_MANUFACTURE_DAY:
+ val->intval = battmgr->info.day;
+ break;
+ case POWER_SUPPLY_PROP_MODEL_NAME:
+ val->strval = battmgr->info.model_number;
+ break;
+ case POWER_SUPPLY_PROP_MANUFACTURER:
+ val->strval = battmgr->info.oem_info;
+ break;
+ case POWER_SUPPLY_PROP_SERIAL_NUMBER:
+ val->strval = battmgr->info.serial_number;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static const enum power_supply_property sc8280xp_bat_props[] = {
+ POWER_SUPPLY_PROP_STATUS,
+ POWER_SUPPLY_PROP_PRESENT,
+ POWER_SUPPLY_PROP_TECHNOLOGY,
+ POWER_SUPPLY_PROP_CYCLE_COUNT,
+ POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
+ POWER_SUPPLY_PROP_VOLTAGE_NOW,
+ POWER_SUPPLY_PROP_POWER_NOW,
+ POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
+ POWER_SUPPLY_PROP_CHARGE_FULL,
+ POWER_SUPPLY_PROP_CHARGE_EMPTY,
+ POWER_SUPPLY_PROP_CHARGE_NOW,
+ POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
+ POWER_SUPPLY_PROP_ENERGY_FULL,
+ POWER_SUPPLY_PROP_ENERGY_EMPTY,
+ POWER_SUPPLY_PROP_ENERGY_NOW,
+ POWER_SUPPLY_PROP_TEMP,
+ POWER_SUPPLY_PROP_MANUFACTURE_YEAR,
+ POWER_SUPPLY_PROP_MANUFACTURE_MONTH,
+ POWER_SUPPLY_PROP_MANUFACTURE_DAY,
+ POWER_SUPPLY_PROP_MODEL_NAME,
+ POWER_SUPPLY_PROP_MANUFACTURER,
+ POWER_SUPPLY_PROP_SERIAL_NUMBER,
+};
+
+static const struct power_supply_desc sc8280xp_bat_psy_desc = {
+ .name = "qcom-battmgr-bat",
+ .type = POWER_SUPPLY_TYPE_BATTERY,
+ .properties = sc8280xp_bat_props,
+ .num_properties = ARRAY_SIZE(sc8280xp_bat_props),
+ .get_property = qcom_battmgr_bat_get_property,
+};
+
+static const enum power_supply_property sm8350_bat_props[] = {
+ POWER_SUPPLY_PROP_STATUS,
+ POWER_SUPPLY_PROP_HEALTH,
+ POWER_SUPPLY_PROP_PRESENT,
+ POWER_SUPPLY_PROP_CHARGE_TYPE,
+ POWER_SUPPLY_PROP_CAPACITY,
+ POWER_SUPPLY_PROP_VOLTAGE_OCV,
+ POWER_SUPPLY_PROP_VOLTAGE_NOW,
+ POWER_SUPPLY_PROP_VOLTAGE_MAX,
+ POWER_SUPPLY_PROP_CURRENT_NOW,
+ POWER_SUPPLY_PROP_TEMP,
+ POWER_SUPPLY_PROP_TECHNOLOGY,
+ POWER_SUPPLY_PROP_CHARGE_COUNTER,
+ POWER_SUPPLY_PROP_CYCLE_COUNT,
+ POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
+ POWER_SUPPLY_PROP_CHARGE_FULL,
+ POWER_SUPPLY_PROP_MODEL_NAME,
+ POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
+ POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
+ POWER_SUPPLY_PROP_POWER_NOW,
+};
+
+static const struct power_supply_desc sm8350_bat_psy_desc = {
+ .name = "qcom-battmgr-bat",
+ .type = POWER_SUPPLY_TYPE_BATTERY,
+ .properties = sm8350_bat_props,
+ .num_properties = ARRAY_SIZE(sm8350_bat_props),
+ .get_property = qcom_battmgr_bat_get_property,
+};
+
+static int qcom_battmgr_ac_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct qcom_battmgr *battmgr = power_supply_get_drvdata(psy);
+ int ret;
+
+ if (!battmgr->service_up)
+ return -ENODEV;
+
+ ret = qcom_battmgr_bat_sc8280xp_update(battmgr, psp);
+ if (ret)
+ return ret;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ val->intval = battmgr->ac.online;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static const enum power_supply_property sc8280xp_ac_props[] = {
+ POWER_SUPPLY_PROP_ONLINE,
+};
+
+static const struct power_supply_desc sc8280xp_ac_psy_desc = {
+ .name = "qcom-battmgr-ac",
+ .type = POWER_SUPPLY_TYPE_MAINS,
+ .properties = sc8280xp_ac_props,
+ .num_properties = ARRAY_SIZE(sc8280xp_ac_props),
+ .get_property = qcom_battmgr_ac_get_property,
+};
+
+static const u8 sm8350_usb_prop_map[] = {
+ [POWER_SUPPLY_PROP_ONLINE] = USB_ONLINE,
+ [POWER_SUPPLY_PROP_VOLTAGE_NOW] = USB_VOLT_NOW,
+ [POWER_SUPPLY_PROP_VOLTAGE_MAX] = USB_VOLT_MAX,
+ [POWER_SUPPLY_PROP_CURRENT_NOW] = USB_CURR_NOW,
+ [POWER_SUPPLY_PROP_CURRENT_MAX] = USB_CURR_MAX,
+ [POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT] = USB_INPUT_CURR_LIMIT,
+ [POWER_SUPPLY_PROP_USB_TYPE] = USB_TYPE,
+};
+
+static int qcom_battmgr_usb_sm8350_update(struct qcom_battmgr *battmgr,
+ enum power_supply_property psp)
+{
+ unsigned int prop;
+ int ret;
+
+ if (psp >= ARRAY_SIZE(sm8350_usb_prop_map))
+ return -EINVAL;
+
+ prop = sm8350_usb_prop_map[psp];
+
+ mutex_lock(&battmgr->lock);
+ ret = qcom_battmgr_request_property(battmgr, BATTMGR_USB_PROPERTY_GET, prop, 0);
+ mutex_unlock(&battmgr->lock);
+
+ return ret;
+}
+
+static int qcom_battmgr_usb_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct qcom_battmgr *battmgr = power_supply_get_drvdata(psy);
+ int ret;
+
+ if (!battmgr->service_up)
+ return -ENODEV;
+
+ if (battmgr->variant == QCOM_BATTMGR_SC8280XP)
+ ret = qcom_battmgr_bat_sc8280xp_update(battmgr, psp);
+ else
+ ret = qcom_battmgr_usb_sm8350_update(battmgr, psp);
+ if (ret)
+ return ret;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ val->intval = battmgr->usb.online;
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+ val->intval = battmgr->usb.voltage_now;
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_MAX:
+ val->intval = battmgr->usb.voltage_max;
+ break;
+ case POWER_SUPPLY_PROP_CURRENT_NOW:
+ val->intval = battmgr->usb.current_now;
+ break;
+ case POWER_SUPPLY_PROP_CURRENT_MAX:
+ val->intval = battmgr->usb.current_max;
+ break;
+ case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
+ val->intval = battmgr->usb.current_limit;
+ break;
+ case POWER_SUPPLY_PROP_USB_TYPE:
+ val->intval = battmgr->usb.usb_type;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static const enum power_supply_usb_type usb_psy_supported_types[] = {
+ POWER_SUPPLY_USB_TYPE_UNKNOWN,
+ POWER_SUPPLY_USB_TYPE_SDP,
+ POWER_SUPPLY_USB_TYPE_DCP,
+ POWER_SUPPLY_USB_TYPE_CDP,
+ POWER_SUPPLY_USB_TYPE_ACA,
+ POWER_SUPPLY_USB_TYPE_C,
+ POWER_SUPPLY_USB_TYPE_PD,
+ POWER_SUPPLY_USB_TYPE_PD_DRP,
+ POWER_SUPPLY_USB_TYPE_PD_PPS,
+ POWER_SUPPLY_USB_TYPE_APPLE_BRICK_ID,
+};
+
+static const enum power_supply_property sc8280xp_usb_props[] = {
+ POWER_SUPPLY_PROP_ONLINE,
+};
+
+static const struct power_supply_desc sc8280xp_usb_psy_desc = {
+ .name = "qcom-battmgr-usb",
+ .type = POWER_SUPPLY_TYPE_USB,
+ .properties = sc8280xp_usb_props,
+ .num_properties = ARRAY_SIZE(sc8280xp_usb_props),
+ .get_property = qcom_battmgr_usb_get_property,
+ .usb_types = usb_psy_supported_types,
+ .num_usb_types = ARRAY_SIZE(usb_psy_supported_types),
+};
+
+static const enum power_supply_property sm8350_usb_props[] = {
+ POWER_SUPPLY_PROP_ONLINE,
+ POWER_SUPPLY_PROP_VOLTAGE_NOW,
+ POWER_SUPPLY_PROP_VOLTAGE_MAX,
+ POWER_SUPPLY_PROP_CURRENT_NOW,
+ POWER_SUPPLY_PROP_CURRENT_MAX,
+ POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
+ POWER_SUPPLY_PROP_USB_TYPE,
+};
+
+static const struct power_supply_desc sm8350_usb_psy_desc = {
+ .name = "qcom-battmgr-usb",
+ .type = POWER_SUPPLY_TYPE_USB,
+ .properties = sm8350_usb_props,
+ .num_properties = ARRAY_SIZE(sm8350_usb_props),
+ .get_property = qcom_battmgr_usb_get_property,
+ .usb_types = usb_psy_supported_types,
+ .num_usb_types = ARRAY_SIZE(usb_psy_supported_types),
+};
+
+static const u8 sm8350_wls_prop_map[] = {
+ [POWER_SUPPLY_PROP_ONLINE] = WLS_ONLINE,
+ [POWER_SUPPLY_PROP_VOLTAGE_NOW] = WLS_VOLT_NOW,
+ [POWER_SUPPLY_PROP_VOLTAGE_MAX] = WLS_VOLT_MAX,
+ [POWER_SUPPLY_PROP_CURRENT_NOW] = WLS_CURR_NOW,
+ [POWER_SUPPLY_PROP_CURRENT_MAX] = WLS_CURR_MAX,
+};
+
+static int qcom_battmgr_wls_sm8350_update(struct qcom_battmgr *battmgr,
+ enum power_supply_property psp)
+{
+ unsigned int prop;
+ int ret;
+
+ if (psp >= ARRAY_SIZE(sm8350_wls_prop_map))
+ return -EINVAL;
+
+ prop = sm8350_wls_prop_map[psp];
+
+ mutex_lock(&battmgr->lock);
+ ret = qcom_battmgr_request_property(battmgr, BATTMGR_WLS_PROPERTY_GET, prop, 0);
+ mutex_unlock(&battmgr->lock);
+
+ return ret;
+}
+
+static int qcom_battmgr_wls_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct qcom_battmgr *battmgr = power_supply_get_drvdata(psy);
+ int ret;
+
+ if (!battmgr->service_up)
+ return -ENODEV;
+
+ if (battmgr->variant == QCOM_BATTMGR_SC8280XP)
+ ret = qcom_battmgr_bat_sc8280xp_update(battmgr, psp);
+ else
+ ret = qcom_battmgr_wls_sm8350_update(battmgr, psp);
+ if (ret < 0)
+ return ret;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ val->intval = battmgr->wireless.online;
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+ val->intval = battmgr->wireless.voltage_now;
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_MAX:
+ val->intval = battmgr->wireless.voltage_max;
+ break;
+ case POWER_SUPPLY_PROP_CURRENT_NOW:
+ val->intval = battmgr->wireless.current_now;
+ break;
+ case POWER_SUPPLY_PROP_CURRENT_MAX:
+ val->intval = battmgr->wireless.current_max;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static const enum power_supply_property sc8280xp_wls_props[] = {
+ POWER_SUPPLY_PROP_ONLINE,
+};
+
+static const struct power_supply_desc sc8280xp_wls_psy_desc = {
+ .name = "qcom-battmgr-wls",
+ .type = POWER_SUPPLY_TYPE_WIRELESS,
+ .properties = sc8280xp_wls_props,
+ .num_properties = ARRAY_SIZE(sc8280xp_wls_props),
+ .get_property = qcom_battmgr_wls_get_property,
+};
+
+static const enum power_supply_property sm8350_wls_props[] = {
+ POWER_SUPPLY_PROP_ONLINE,
+ POWER_SUPPLY_PROP_VOLTAGE_NOW,
+ POWER_SUPPLY_PROP_VOLTAGE_MAX,
+ POWER_SUPPLY_PROP_CURRENT_NOW,
+ POWER_SUPPLY_PROP_CURRENT_MAX,
+};
+
+static const struct power_supply_desc sm8350_wls_psy_desc = {
+ .name = "qcom-battmgr-wls",
+ .type = POWER_SUPPLY_TYPE_WIRELESS,
+ .properties = sm8350_wls_props,
+ .num_properties = ARRAY_SIZE(sm8350_wls_props),
+ .get_property = qcom_battmgr_wls_get_property,
+};
+
+static void qcom_battmgr_notification(struct qcom_battmgr *battmgr,
+ const struct qcom_battmgr_message *msg,
+ int len)
+{
+ size_t payload_len = len - sizeof(struct pmic_glink_hdr);
+ unsigned int notification;
+
+ if (payload_len != sizeof(msg->notification)) {
+ dev_warn(battmgr->dev, "ignoring notification with invalid length\n");
+ return;
+ }
+
+ notification = le32_to_cpu(msg->notification);
+ switch (notification) {
+ case NOTIF_BAT_INFO:
+ battmgr->info.valid = false;
+ fallthrough;
+ case NOTIF_BAT_STATUS:
+ case NOTIF_BAT_PROPERTY:
+ power_supply_changed(battmgr->bat_psy);
+ break;
+ case NOTIF_USB_PROPERTY:
+ power_supply_changed(battmgr->usb_psy);
+ break;
+ case NOTIF_WLS_PROPERTY:
+ power_supply_changed(battmgr->wls_psy);
+ break;
+ default:
+ dev_err(battmgr->dev, "unknown notification: %#x\n", notification);
+ break;
+ }
+}
+
+static void qcom_battmgr_sc8280xp_strcpy(char *dest, const char *src)
+{
+ size_t len = src[0];
+
+ /* Some firmware versions return Pascal-style strings */
+ if (len < BATTMGR_STRING_LEN && len == strnlen(src + 1, BATTMGR_STRING_LEN - 1)) {
+ memcpy(dest, src + 1, len);
+ dest[len] = '\0';
+ } else {
+ memcpy(dest, src, BATTMGR_STRING_LEN);
+ }
+}
+
+static unsigned int qcom_battmgr_sc8280xp_parse_technology(const char *chemistry)
+{
+ if (!strncmp(chemistry, "LIO", BATTMGR_CHEMISTRY_LEN))
+ return POWER_SUPPLY_TECHNOLOGY_LION;
+
+ pr_err("Unknown battery technology '%s'\n", chemistry);
+ return POWER_SUPPLY_TECHNOLOGY_UNKNOWN;
+}
+
+static unsigned int qcom_battmgr_sc8280xp_convert_temp(unsigned int temperature)
+{
+ return DIV_ROUND_CLOSEST(temperature, 10);
+}
+
+static void qcom_battmgr_sc8280xp_callback(struct qcom_battmgr *battmgr,
+ const struct qcom_battmgr_message *resp,
+ size_t len)
+{
+ unsigned int opcode = le32_to_cpu(resp->hdr.opcode);
+ unsigned int source;
+ unsigned int state;
+ size_t payload_len = len - sizeof(struct pmic_glink_hdr);
+
+ if (payload_len < sizeof(__le32)) {
+ dev_warn(battmgr->dev, "invalid payload length for %#x: %zd\n",
+ opcode, len);
+ return;
+ }
+
+ switch (opcode) {
+ case BATTMGR_REQUEST_NOTIFICATION:
+ battmgr->error = 0;
+ break;
+ case BATTMGR_BAT_INFO:
+ if (payload_len != sizeof(resp->info)) {
+ dev_warn(battmgr->dev,
+ "invalid payload length for battery information request: %zd\n",
+ payload_len);
+ battmgr->error = -ENODATA;
+ return;
+ }
+
+ battmgr->unit = le32_to_cpu(resp->info.power_unit);
+
+ battmgr->info.present = true;
+ battmgr->info.design_capacity = le32_to_cpu(resp->info.design_capacity) * 1000;
+ battmgr->info.last_full_capacity = le32_to_cpu(resp->info.last_full_capacity) * 1000;
+ battmgr->info.voltage_max_design = le32_to_cpu(resp->info.design_voltage) * 1000;
+ battmgr->info.capacity_low = le32_to_cpu(resp->info.capacity_low) * 1000;
+ battmgr->info.cycle_count = le32_to_cpu(resp->info.cycle_count);
+ qcom_battmgr_sc8280xp_strcpy(battmgr->info.model_number, resp->info.model_number);
+ qcom_battmgr_sc8280xp_strcpy(battmgr->info.serial_number, resp->info.serial_number);
+ battmgr->info.technology = qcom_battmgr_sc8280xp_parse_technology(resp->info.battery_chemistry);
+ qcom_battmgr_sc8280xp_strcpy(battmgr->info.oem_info, resp->info.oem_info);
+ battmgr->info.day = resp->info.day;
+ battmgr->info.month = resp->info.month;
+ battmgr->info.year = le16_to_cpu(resp->info.year);
+ break;
+ case BATTMGR_BAT_STATUS:
+ if (payload_len != sizeof(resp->status)) {
+ dev_warn(battmgr->dev,
+ "invalid payload length for battery status request: %zd\n",
+ payload_len);
+ battmgr->error = -ENODATA;
+ return;
+ }
+
+ state = le32_to_cpu(resp->status.battery_state);
+ if (state & BIT(0))
+ battmgr->status.status = POWER_SUPPLY_STATUS_DISCHARGING;
+ else if (state & BIT(1))
+ battmgr->status.status = POWER_SUPPLY_STATUS_CHARGING;
+ else
+ battmgr->status.status = POWER_SUPPLY_STATUS_NOT_CHARGING;
+
+ battmgr->status.capacity = le32_to_cpu(resp->status.capacity) * 1000;
+ battmgr->status.power_now = le32_to_cpu(resp->status.rate) * 1000;
+ battmgr->status.voltage_now = le32_to_cpu(resp->status.battery_voltage) * 1000;
+ battmgr->status.temperature = qcom_battmgr_sc8280xp_convert_temp(le32_to_cpu(resp->status.temperature));
+
+ source = le32_to_cpu(resp->status.charging_source);
+ battmgr->ac.online = source == BATTMGR_CHARGING_SOURCE_AC;
+ battmgr->usb.online = source == BATTMGR_CHARGING_SOURCE_USB;
+ battmgr->wireless.online = source == BATTMGR_CHARGING_SOURCE_WIRELESS;
+ break;
+ case BATTMGR_BAT_DISCHARGE_TIME:
+ battmgr->status.discharge_time = le32_to_cpu(resp->time);
+ break;
+ case BATTMGR_BAT_CHARGE_TIME:
+ battmgr->status.charge_time = le32_to_cpu(resp->time);
+ break;
+ default:
+ dev_warn(battmgr->dev, "unknown message %#x\n", opcode);
+ break;
+ }
+
+ complete(&battmgr->ack);
+}
+
+static void qcom_battmgr_sm8350_callback(struct qcom_battmgr *battmgr,
+ const struct qcom_battmgr_message *resp,
+ size_t len)
+{
+ unsigned int property;
+ unsigned int opcode = le32_to_cpu(resp->hdr.opcode);
+ size_t payload_len = len - sizeof(struct pmic_glink_hdr);
+ unsigned int val;
+
+ if (payload_len < sizeof(__le32)) {
+ dev_warn(battmgr->dev, "invalid payload length for %#x: %zd\n",
+ opcode, len);
+ return;
+ }
+
+ switch (opcode) {
+ case BATTMGR_BAT_PROPERTY_GET:
+ property = le32_to_cpu(resp->intval.property);
+ if (property == BATT_MODEL_NAME) {
+ if (payload_len != sizeof(resp->strval)) {
+ dev_warn(battmgr->dev,
+ "invalid payload length for BATT_MODEL_NAME request: %zd\n",
+ payload_len);
+ battmgr->error = -ENODATA;
+ return;
+ }
+ } else {
+ if (payload_len != sizeof(resp->intval)) {
+ dev_warn(battmgr->dev,
+ "invalid payload length for %#x request: %zd\n",
+ property, payload_len);
+ battmgr->error = -ENODATA;
+ return;
+ }
+
+ battmgr->error = le32_to_cpu(resp->intval.result);
+ if (battmgr->error)
+ goto out_complete;
+ }
+
+ switch (property) {
+ case BATT_STATUS:
+ battmgr->status.status = le32_to_cpu(resp->intval.value);
+ break;
+ case BATT_HEALTH:
+ battmgr->status.health = le32_to_cpu(resp->intval.value);
+ break;
+ case BATT_PRESENT:
+ battmgr->info.present = le32_to_cpu(resp->intval.value);
+ break;
+ case BATT_CHG_TYPE:
+ battmgr->info.charge_type = le32_to_cpu(resp->intval.value);
+ break;
+ case BATT_CAPACITY:
+ battmgr->status.percent = le32_to_cpu(resp->intval.value);
+ do_div(battmgr->status.percent, 100);
+ break;
+ case BATT_VOLT_OCV:
+ battmgr->status.voltage_ocv = le32_to_cpu(resp->intval.value);
+ break;
+ case BATT_VOLT_NOW:
+ battmgr->status.voltage_now = le32_to_cpu(resp->intval.value);
+ break;
+ case BATT_VOLT_MAX:
+ battmgr->info.voltage_max = le32_to_cpu(resp->intval.value);
+ break;
+ case BATT_CURR_NOW:
+ battmgr->status.current_now = le32_to_cpu(resp->intval.value);
+ break;
+ case BATT_TEMP:
+ val = le32_to_cpu(resp->intval.value);
+ battmgr->status.temperature = DIV_ROUND_CLOSEST(val, 10);
+ break;
+ case BATT_TECHNOLOGY:
+ battmgr->info.technology = le32_to_cpu(resp->intval.value);
+ break;
+ case BATT_CHG_COUNTER:
+ battmgr->info.charge_count = le32_to_cpu(resp->intval.value);
+ break;
+ case BATT_CYCLE_COUNT:
+ battmgr->info.cycle_count = le32_to_cpu(resp->intval.value);
+ break;
+ case BATT_CHG_FULL_DESIGN:
+ battmgr->info.design_capacity = le32_to_cpu(resp->intval.value);
+ break;
+ case BATT_CHG_FULL:
+ battmgr->info.last_full_capacity = le32_to_cpu(resp->intval.value);
+ break;
+ case BATT_MODEL_NAME:
+ strscpy(battmgr->info.model_number, resp->strval.model, BATTMGR_STRING_LEN);
+ break;
+ case BATT_TTF_AVG:
+ battmgr->status.charge_time = le32_to_cpu(resp->intval.value);
+ break;
+ case BATT_TTE_AVG:
+ battmgr->status.discharge_time = le32_to_cpu(resp->intval.value);
+ break;
+ case BATT_POWER_NOW:
+ battmgr->status.power_now = le32_to_cpu(resp->intval.value);
+ break;
+ default:
+ dev_warn(battmgr->dev, "unknown property %#x\n", property);
+ break;
+ }
+ break;
+ case BATTMGR_USB_PROPERTY_GET:
+ property = le32_to_cpu(resp->intval.property);
+ if (payload_len != sizeof(resp->intval)) {
+ dev_warn(battmgr->dev,
+ "invalid payload length for %#x request: %zd\n",
+ property, payload_len);
+ battmgr->error = -ENODATA;
+ return;
+ }
+
+ battmgr->error = le32_to_cpu(resp->intval.result);
+ if (battmgr->error)
+ goto out_complete;
+
+ switch (property) {
+ case USB_ONLINE:
+ battmgr->usb.online = le32_to_cpu(resp->intval.value);
+ break;
+ case USB_VOLT_NOW:
+ battmgr->usb.voltage_now = le32_to_cpu(resp->intval.value);
+ break;
+ case USB_VOLT_MAX:
+ battmgr->usb.voltage_max = le32_to_cpu(resp->intval.value);
+ break;
+ case USB_CURR_NOW:
+ battmgr->usb.current_now = le32_to_cpu(resp->intval.value);
+ break;
+ case USB_CURR_MAX:
+ battmgr->usb.current_max = le32_to_cpu(resp->intval.value);
+ break;
+ case USB_INPUT_CURR_LIMIT:
+ battmgr->usb.current_limit = le32_to_cpu(resp->intval.value);
+ break;
+ case USB_TYPE:
+ battmgr->usb.usb_type = le32_to_cpu(resp->intval.value);
+ break;
+ default:
+ dev_warn(battmgr->dev, "unknown property %#x\n", property);
+ break;
+ }
+ break;
+ case BATTMGR_WLS_PROPERTY_GET:
+ property = le32_to_cpu(resp->intval.property);
+ if (payload_len != sizeof(resp->intval)) {
+ dev_warn(battmgr->dev,
+ "invalid payload length for %#x request: %zd\n",
+ property, payload_len);
+ battmgr->error = -ENODATA;
+ return;
+ }
+
+ battmgr->error = le32_to_cpu(resp->intval.result);
+ if (battmgr->error)
+ goto out_complete;
+
+ switch (property) {
+ case WLS_ONLINE:
+ battmgr->wireless.online = le32_to_cpu(resp->intval.value);
+ break;
+ case WLS_VOLT_NOW:
+ battmgr->wireless.voltage_now = le32_to_cpu(resp->intval.value);
+ break;
+ case WLS_VOLT_MAX:
+ battmgr->wireless.voltage_max = le32_to_cpu(resp->intval.value);
+ break;
+ case WLS_CURR_NOW:
+ battmgr->wireless.current_now = le32_to_cpu(resp->intval.value);
+ break;
+ case WLS_CURR_MAX:
+ battmgr->wireless.current_max = le32_to_cpu(resp->intval.value);
+ break;
+ default:
+ dev_warn(battmgr->dev, "unknown property %#x\n", property);
+ break;
+ }
+ break;
+ case BATTMGR_REQUEST_NOTIFICATION:
+ battmgr->error = 0;
+ break;
+ default:
+ dev_warn(battmgr->dev, "unknown message %#x\n", opcode);
+ break;
+ }
+
+out_complete:
+ complete(&battmgr->ack);
+}
+
+static void qcom_battmgr_callback(const void *data, size_t len, void *priv)
+{
+ const struct pmic_glink_hdr *hdr = data;
+ struct qcom_battmgr *battmgr = priv;
+ unsigned int opcode = le32_to_cpu(hdr->opcode);
+
+ if (opcode == BATTMGR_NOTIFICATION)
+ qcom_battmgr_notification(battmgr, data, len);
+ else if (battmgr->variant == QCOM_BATTMGR_SC8280XP)
+ qcom_battmgr_sc8280xp_callback(battmgr, data, len);
+ else
+ qcom_battmgr_sm8350_callback(battmgr, data, len);
+}
+
+static void qcom_battmgr_enable_worker(struct work_struct *work)
+{
+ struct qcom_battmgr *battmgr = container_of(work, struct qcom_battmgr, enable_work);
+ struct qcom_battmgr_enable_request req = {
+ .hdr.owner = PMIC_GLINK_OWNER_BATTMGR,
+ .hdr.type = PMIC_GLINK_NOTIFY,
+ .hdr.opcode = BATTMGR_REQUEST_NOTIFICATION,
+ };
+ int ret;
+
+ ret = qcom_battmgr_request(battmgr, &req, sizeof(req));
+ if (ret)
+ dev_err(battmgr->dev, "failed to request power notifications\n");
+}
+
+static void qcom_battmgr_pdr_notify(void *priv, int state)
+{
+ struct qcom_battmgr *battmgr = priv;
+
+ if (state == SERVREG_SERVICE_STATE_UP) {
+ battmgr->service_up = true;
+ schedule_work(&battmgr->enable_work);
+ } else {
+ battmgr->service_up = false;
+ }
+}
+
+static const struct of_device_id qcom_battmgr_of_variants[] = {
+ { .compatible = "qcom,sc8180x-pmic-glink", .data = (void *)QCOM_BATTMGR_SC8280XP },
+ { .compatible = "qcom,sc8280xp-pmic-glink", .data = (void *)QCOM_BATTMGR_SC8280XP },
+ /* Unmatched devices falls back to QCOM_BATTMGR_SM8350 */
+ {}
+};
+
+static char *qcom_battmgr_battery[] = { "battery" };
+
+static int qcom_battmgr_probe(struct auxiliary_device *adev,
+ const struct auxiliary_device_id *id)
+{
+ struct power_supply_config psy_cfg_supply = {};
+ struct power_supply_config psy_cfg = {};
+ const struct of_device_id *match;
+ struct qcom_battmgr *battmgr;
+ struct device *dev = &adev->dev;
+
+ battmgr = devm_kzalloc(dev, sizeof(*battmgr), GFP_KERNEL);
+ if (!battmgr)
+ return -ENOMEM;
+
+ battmgr->dev = dev;
+
+ psy_cfg.drv_data = battmgr;
+ psy_cfg.of_node = adev->dev.of_node;
+
+ psy_cfg_supply.drv_data = battmgr;
+ psy_cfg_supply.of_node = adev->dev.of_node;
+ psy_cfg_supply.supplied_to = qcom_battmgr_battery;
+ psy_cfg_supply.num_supplicants = 1;
+
+ INIT_WORK(&battmgr->enable_work, qcom_battmgr_enable_worker);
+ mutex_init(&battmgr->lock);
+ init_completion(&battmgr->ack);
+
+ match = of_match_device(qcom_battmgr_of_variants, dev->parent);
+ if (match)
+ battmgr->variant = (unsigned long)match->data;
+ else
+ battmgr->variant = QCOM_BATTMGR_SM8350;
+
+ if (battmgr->variant == QCOM_BATTMGR_SC8280XP) {
+ battmgr->bat_psy = devm_power_supply_register(dev, &sc8280xp_bat_psy_desc, &psy_cfg);
+ if (IS_ERR(battmgr->bat_psy))
+ return dev_err_probe(dev, PTR_ERR(battmgr->bat_psy),
+ "failed to register battery power supply\n");
+
+ battmgr->ac_psy = devm_power_supply_register(dev, &sc8280xp_ac_psy_desc, &psy_cfg_supply);
+ if (IS_ERR(battmgr->ac_psy))
+ return dev_err_probe(dev, PTR_ERR(battmgr->ac_psy),
+ "failed to register AC power supply\n");
+
+ battmgr->usb_psy = devm_power_supply_register(dev, &sc8280xp_usb_psy_desc, &psy_cfg_supply);
+ if (IS_ERR(battmgr->usb_psy))
+ return dev_err_probe(dev, PTR_ERR(battmgr->usb_psy),
+ "failed to register USB power supply\n");
+
+ battmgr->wls_psy = devm_power_supply_register(dev, &sc8280xp_wls_psy_desc, &psy_cfg_supply);
+ if (IS_ERR(battmgr->wls_psy))
+ return dev_err_probe(dev, PTR_ERR(battmgr->wls_psy),
+ "failed to register wireless charing power supply\n");
+ } else {
+ battmgr->bat_psy = devm_power_supply_register(dev, &sm8350_bat_psy_desc, &psy_cfg);
+ if (IS_ERR(battmgr->bat_psy))
+ return dev_err_probe(dev, PTR_ERR(battmgr->bat_psy),
+ "failed to register battery power supply\n");
+
+ battmgr->usb_psy = devm_power_supply_register(dev, &sm8350_usb_psy_desc, &psy_cfg_supply);
+ if (IS_ERR(battmgr->usb_psy))
+ return dev_err_probe(dev, PTR_ERR(battmgr->usb_psy),
+ "failed to register USB power supply\n");
+
+ battmgr->wls_psy = devm_power_supply_register(dev, &sm8350_wls_psy_desc, &psy_cfg_supply);
+ if (IS_ERR(battmgr->wls_psy))
+ return dev_err_probe(dev, PTR_ERR(battmgr->wls_psy),
+ "failed to register wireless charing power supply\n");
+ }
+
+ battmgr->client = devm_pmic_glink_register_client(dev,
+ PMIC_GLINK_OWNER_BATTMGR,
+ qcom_battmgr_callback,
+ qcom_battmgr_pdr_notify,
+ battmgr);
+ return PTR_ERR_OR_ZERO(battmgr->client);
+}
+
+static const struct auxiliary_device_id qcom_battmgr_id_table[] = {
+ { .name = "pmic_glink.power-supply", },
+ {},
+};
+MODULE_DEVICE_TABLE(auxiliary, qcom_battmgr_id_table);
+
+static struct auxiliary_driver qcom_battmgr_driver = {
+ .name = "pmic_glink_power_supply",
+ .probe = qcom_battmgr_probe,
+ .id_table = qcom_battmgr_id_table,
+};
+
+module_auxiliary_driver(qcom_battmgr_driver);
+
+MODULE_DESCRIPTION("Qualcomm PMIC GLINK battery manager driver");
+MODULE_LICENSE("GPL");