#include <linux/auxiliary_bus.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/nvmem-consumer.h>
#include <linux/of_device.h>
#include <linux/power_supply.h>
#include <linux/property.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_SC8280XP,
QCOM_BATTMGR_SM8350,
QCOM_BATTMGR_SM8550,
QCOM_BATTMGR_X1E80100,
};
#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_STATUS 0x80
#define NOTIF_BAT_INFO 0x81
#define NOTIF_BAT_CHARGING_STATE 0x83
#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 BATT_CHG_CTRL_EN 24
#define BATT_CHG_CTRL_START_THR 25
#define BATT_CHG_CTRL_END_THR 26
#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
#define BATTMGR_CHG_CTRL_LIMIT_EN 0x48
#define CHARGE_CTRL_START_THR_MIN 50
#define CHARGE_CTRL_START_THR_MAX 95
#define CHARGE_CTRL_END_THR_MIN 55
#define CHARGE_CTRL_END_THR_MAX 100
#define CHARGE_CTRL_DELTA_SOC 5
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;
__le32 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;
__le32 reserved;
};
struct qcom_battmgr_charge_ctrl_request {
struct pmic_glink_hdr hdr;
__le32 enable;
__le32 target_soc;
__le32 delta_soc;
};
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 {
__le32 power_unit;
__le32 design_capacity;
__le32 last_full_capacity;
__le32 battery_tech;
__le32 design_voltage;
__le32 capacity_low;
__le32 capacity_warning;
__le32 cycle_count;
__le32 accuracy;
__le32 max_sample_time_ms;
__le32 min_sample_time_ms;
__le32 max_average_interval_ms;
__le32 min_average_interval_ms;
__le32 capacity_granularity1;
__le32 capacity_granularity2;
__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 {
__le32 battery_state;
__le32 capacity;
__le32 rate;
__le32 battery_voltage;
__le32 power_state;
__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;
unsigned int charge_ctrl_start;
unsigned int charge_ctrl_end;
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 resistance;
unsigned int soh_percent;
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;
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_INTERNAL_RESISTANCE] = BATT_RESISTANCE,
[POWER_SUPPLY_PROP_STATE_OF_HEALTH] = BATT_SOH,
[POWER_SUPPLY_PROP_POWER_NOW] = BATT_POWER_NOW,
[POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD] = BATT_CHG_CTRL_START_THR,
[POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD] = BATT_CHG_CTRL_END_THR,
};
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 -EAGAIN;
if (battmgr->variant == QCOM_BATTMGR_SC8280XP ||
battmgr->variant == QCOM_BATTMGR_X1E80100)
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:
if (battmgr->status.percent == (unsigned int)-1)
return -ENODATA;
val->intval = battmgr->status.percent;
break;
case POWER_SUPPLY_PROP_TEMP:
val->intval = battmgr->status.temperature;
break;
case POWER_SUPPLY_PROP_INTERNAL_RESISTANCE:
val->intval = battmgr->status.resistance;
break;
case POWER_SUPPLY_PROP_STATE_OF_HEALTH:
val->intval = battmgr->status.soh_percent;
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_CHARGE_CONTROL_START_THRESHOLD:
val->intval = battmgr->info.charge_ctrl_start;
break;
case POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD:
val->intval = battmgr->info.charge_ctrl_end;
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 int qcom_battmgr_set_charge_control(struct qcom_battmgr *battmgr,
u32 target_soc, u32 delta_soc)
{
struct qcom_battmgr_charge_ctrl_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_CHG_CTRL_LIMIT_EN),
.enable = cpu_to_le32(1),
.target_soc = cpu_to_le32(target_soc),
.delta_soc = cpu_to_le32(delta_soc),
};
return qcom_battmgr_request(battmgr, &request, sizeof(request));
}
static int qcom_battmgr_set_charge_start_threshold(struct qcom_battmgr *battmgr, int start_soc)
{
u32 target_soc, delta_soc;
int ret;
start_soc = clamp(start_soc, CHARGE_CTRL_START_THR_MIN, CHARGE_CTRL_START_THR_MAX);
if (start_soc > battmgr->info.charge_ctrl_end) {
target_soc = start_soc + CHARGE_CTRL_DELTA_SOC;
target_soc = min_t(u32, target_soc, CHARGE_CTRL_END_THR_MAX);
delta_soc = target_soc - start_soc;
delta_soc = min_t(u32, delta_soc, CHARGE_CTRL_DELTA_SOC);
} else {
target_soc = battmgr->info.charge_ctrl_end;
delta_soc = battmgr->info.charge_ctrl_end - start_soc;
}
mutex_lock(&battmgr->lock);
ret = qcom_battmgr_set_charge_control(battmgr, target_soc, delta_soc);
mutex_unlock(&battmgr->lock);
if (!ret) {
battmgr->info.charge_ctrl_start = start_soc;
battmgr->info.charge_ctrl_end = target_soc;
}
return 0;
}
static int qcom_battmgr_set_charge_end_threshold(struct qcom_battmgr *battmgr, int end_soc)
{
u32 delta_soc = CHARGE_CTRL_DELTA_SOC;
int ret;
end_soc = clamp(end_soc, CHARGE_CTRL_END_THR_MIN, CHARGE_CTRL_END_THR_MAX);
if (battmgr->info.charge_ctrl_start && end_soc > battmgr->info.charge_ctrl_start)
delta_soc = end_soc - battmgr->info.charge_ctrl_start;
mutex_lock(&battmgr->lock);
ret = qcom_battmgr_set_charge_control(battmgr, end_soc, delta_soc);
mutex_unlock(&battmgr->lock);
if (!ret) {
battmgr->info.charge_ctrl_start = end_soc - delta_soc;
battmgr->info.charge_ctrl_end = end_soc;
}
return 0;
}
static int qcom_battmgr_charge_control_thresholds_init(struct qcom_battmgr *battmgr)
{
int ret;
u8 en, end_soc, start_soc, delta_soc;
ret = nvmem_cell_read_u8(battmgr->dev->parent, "charge_limit_en", &en);
if (!ret && en != 0) {
ret = nvmem_cell_read_u8(battmgr->dev->parent, "charge_limit_end", &end_soc);
if (ret < 0)
return ret;
ret = nvmem_cell_read_u8(battmgr->dev->parent, "charge_limit_delta", &delta_soc);
if (ret < 0)
return ret;
if (delta_soc >= end_soc)
return -EINVAL;
start_soc = end_soc - delta_soc;
end_soc = clamp(end_soc, CHARGE_CTRL_END_THR_MIN, CHARGE_CTRL_END_THR_MAX);
start_soc = clamp(start_soc, CHARGE_CTRL_START_THR_MIN, CHARGE_CTRL_START_THR_MAX);
battmgr->info.charge_ctrl_start = start_soc;
battmgr->info.charge_ctrl_end = end_soc;
}
return 0;
}
static int qcom_battmgr_bat_is_writeable(struct power_supply *psy,
enum power_supply_property psp)
{
switch (psp) {
case POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD:
case POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD:
return 1;
default:
return 0;
}
return 0;
}
static int qcom_battmgr_bat_set_property(struct power_supply *psy,
enum power_supply_property psp,
const union power_supply_propval *pval)
{
struct qcom_battmgr *battmgr = power_supply_get_drvdata(psy);
if (!battmgr->service_up)
return -EAGAIN;
switch (psp) {
case POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD:
return qcom_battmgr_set_charge_start_threshold(battmgr, pval->intval);
case POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD:
return qcom_battmgr_set_charge_end_threshold(battmgr, pval->intval);
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_CAPACITY,
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 x1e80100_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,
POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD,
POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD,
};
static const struct power_supply_desc x1e80100_bat_psy_desc = {
.name = "qcom-battmgr-bat",
.type = POWER_SUPPLY_TYPE_BATTERY,
.properties = x1e80100_bat_props,
.num_properties = ARRAY_SIZE(x1e80100_bat_props),
.get_property = qcom_battmgr_bat_get_property,
.set_property = qcom_battmgr_bat_set_property,
.property_is_writeable = qcom_battmgr_bat_is_writeable,
};
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_INTERNAL_RESISTANCE,
POWER_SUPPLY_PROP_STATE_OF_HEALTH,
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 const enum power_supply_property sm8550_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_INTERNAL_RESISTANCE,
POWER_SUPPLY_PROP_STATE_OF_HEALTH,
POWER_SUPPLY_PROP_POWER_NOW,
POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD,
POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD,
};
static const struct power_supply_desc sm8550_bat_psy_desc = {
.name = "qcom-battmgr-bat",
.type = POWER_SUPPLY_TYPE_BATTERY,
.properties = sm8550_bat_props,
.num_properties = ARRAY_SIZE(sm8550_bat_props),
.get_property = qcom_battmgr_bat_get_property,
.set_property = qcom_battmgr_bat_set_property,
.property_is_writeable = qcom_battmgr_bat_is_writeable,
};
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 -EAGAIN;
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 -EAGAIN;
if (battmgr->variant == QCOM_BATTMGR_SC8280XP ||
battmgr->variant == QCOM_BATTMGR_X1E80100)
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_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 = BIT(POWER_SUPPLY_USB_TYPE_UNKNOWN) |
BIT(POWER_SUPPLY_USB_TYPE_SDP) |
BIT(POWER_SUPPLY_USB_TYPE_DCP) |
BIT(POWER_SUPPLY_USB_TYPE_CDP) |
BIT(POWER_SUPPLY_USB_TYPE_ACA) |
BIT(POWER_SUPPLY_USB_TYPE_C) |
BIT(POWER_SUPPLY_USB_TYPE_PD) |
BIT(POWER_SUPPLY_USB_TYPE_PD_DRP) |
BIT(POWER_SUPPLY_USB_TYPE_PD_PPS) |
BIT(POWER_SUPPLY_USB_TYPE_APPLE_BRICK_ID),
};
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 = BIT(POWER_SUPPLY_USB_TYPE_UNKNOWN) |
BIT(POWER_SUPPLY_USB_TYPE_SDP) |
BIT(POWER_SUPPLY_USB_TYPE_DCP) |
BIT(POWER_SUPPLY_USB_TYPE_CDP) |
BIT(POWER_SUPPLY_USB_TYPE_ACA) |
BIT(POWER_SUPPLY_USB_TYPE_C) |
BIT(POWER_SUPPLY_USB_TYPE_PD) |
BIT(POWER_SUPPLY_USB_TYPE_PD_DRP) |
BIT(POWER_SUPPLY_USB_TYPE_PD_PPS) |
BIT(POWER_SUPPLY_USB_TYPE_APPLE_BRICK_ID),
};
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 -EAGAIN;
if (battmgr->variant == QCOM_BATTMGR_SC8280XP ||
battmgr->variant == QCOM_BATTMGR_X1E80100)
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);
notification &= 0xff;
switch (notification) {
case NOTIF_BAT_INFO:
battmgr->info.valid = false;
fallthrough;
case NOTIF_BAT_STATUS:
case NOTIF_BAT_PROPERTY:
case NOTIF_BAT_CHARGING_STATE:
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];
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)) ||
(!strncmp(chemistry, "OOI", BATTMGR_CHEMISTRY_LEN)))
return POWER_SUPPLY_TECHNOLOGY_LION;
if (!strncmp(chemistry, "LIP", BATTMGR_CHEMISTRY_LEN) ||
!strncmp(chemistry, "LiP", BATTMGR_CHEMISTRY_LEN))
return POWER_SUPPLY_TECHNOLOGY_LIPO;
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) &&
payload_len != (sizeof(resp->info) + sizeof(__le32))) {
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;
if (battmgr->info.last_full_capacity != 0) {
battmgr->status.percent =
(100 * le32_to_cpu(resp->status.capacity)) /
(battmgr->info.last_full_capacity / 1000);
} else {
battmgr->status.percent = (unsigned int)-1;
}
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;
case BATTMGR_CHG_CTRL_LIMIT_EN:
battmgr->error = 0;
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) / 100;
break;
case BATT_SOH:
battmgr->status.soh_percent = le32_to_cpu(resp->intval.value);
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_RESISTANCE:
battmgr->status.resistance = le32_to_cpu(resp->intval.value);
break;
case BATT_POWER_NOW:
battmgr->status.power_now = le32_to_cpu(resp->intval.value);
break;
case BATT_CHG_CTRL_START_THR:
battmgr->info.charge_ctrl_start = le32_to_cpu(resp->intval.value);
break;
case BATT_CHG_CTRL_END_THR:
battmgr->info.charge_ctrl_end = 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:
case BATTMGR_CHG_CTRL_LIMIT_EN:
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 ||
battmgr->variant == QCOM_BATTMGR_X1E80100)
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 = cpu_to_le32(PMIC_GLINK_OWNER_BATTMGR),
.hdr.type = cpu_to_le32(PMIC_GLINK_NOTIFY),
.hdr.opcode = cpu_to_le32(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 },
{ .compatible = "qcom,sm8550-pmic-glink", .data = (void *)QCOM_BATTMGR_SM8550 },
{ .compatible = "qcom,x1e80100-pmic-glink", .data = (void *)QCOM_BATTMGR_X1E80100 },
{}
};
static char *qcom_battmgr_battery[] = { "battery" };
static int qcom_battmgr_probe(struct auxiliary_device *adev,
const struct auxiliary_device_id *id)
{
const struct power_supply_desc *psy_desc;
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;
int ret;
battmgr = devm_kzalloc(dev, sizeof(*battmgr), GFP_KERNEL);
if (!battmgr)
return -ENOMEM;
battmgr->dev = dev;
psy_cfg.drv_data = battmgr;
psy_cfg.fwnode = dev_fwnode(&adev->dev);
psy_cfg_supply.drv_data = battmgr;
psy_cfg_supply.fwnode = dev_fwnode(&adev->dev);
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;
ret = qcom_battmgr_charge_control_thresholds_init(battmgr);
if (ret < 0)
return dev_err_probe(dev, ret,
"failed to init battery charge control thresholds\n");
if (battmgr->variant == QCOM_BATTMGR_SC8280XP ||
battmgr->variant == QCOM_BATTMGR_X1E80100) {
if (battmgr->variant == QCOM_BATTMGR_X1E80100)
psy_desc = &x1e80100_bat_psy_desc;
else
psy_desc = &sc8280xp_bat_psy_desc;
battmgr->bat_psy = devm_power_supply_register(dev, 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 {
if (battmgr->variant == QCOM_BATTMGR_SM8550)
psy_desc = &sm8550_bat_psy_desc;
else
psy_desc = &sm8350_bat_psy_desc;
battmgr->bat_psy = devm_power_supply_register(dev, 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_client_alloc(dev, PMIC_GLINK_OWNER_BATTMGR,
qcom_battmgr_callback,
qcom_battmgr_pdr_notify,
battmgr);
if (IS_ERR(battmgr->client))
return PTR_ERR(battmgr->client);
pmic_glink_client_register(battmgr->client);
return 0;
}
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");
