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android_kernel_samsung_on5x.../drivers/power/s2mu005_charger.c
awab228 f6dfaef42e Fixed MTP to work with TWRP
2018-06-19 23:16:04 +02:00

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/* drivers/battery/s2mu005_charger.c
* S2MU005 Charger Driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*/
#include <linux/mfd/samsung/s2mu005.h>
#include <linux/power/s2mu005_charger.h>
#include <linux/version.h>
#if defined(CONFIG_MUIC_NOTIFIER)
#include <linux/muic/muic.h>
#include <linux/muic/muic_notifier.h>
#endif
#define ENABLE_MIVR 1
#define EN_OVP_IRQ 1
#define EN_IEOC_IRQ 1
#define EN_TOPOFF_IRQ 1
#define EN_RECHG_REQ_IRQ 0
#define EN_TR_IRQ 0
#define EN_MIVR_SW_REGULATION 0
#define EN_BST_IRQ 0
#define MINVAL(a, b) ((a <= b) ? a : b)
#define EOC_DEBOUNCE_CNT 2
#define HEALTH_DEBOUNCE_CNT 3
#define DEFAULT_CHARGING_CURRENT 500
#define EOC_SLEEP 200
#define EOC_TIMEOUT (EOC_SLEEP * 6)
#ifndef EN_TEST_READ
#define EN_TEST_READ 1
#endif
struct s2mu005_charger_data {
struct i2c_client *client;
struct device *dev;
struct s2mu005_platform_data *s2mu005_pdata;
struct delayed_work charger_work;
struct workqueue_struct *charger_wqueue;
struct power_supply psy_chg;
struct power_supply psy_battery;
struct power_supply psy_usb;
struct power_supply psy_ac;
s2mu005_charger_platform_data_t *pdata;
int dev_id;
int charging_current;
int siop_level;
int cable_type;
int battery_cable_type;
int charge_mode;
bool is_charging;
struct mutex io_lock;
bool noti_check;
/* register programming */
int reg_addr;
int reg_data;
bool full_charged;
bool ovp;
int unhealth_cnt;
bool battery_valid;
int status;
int health;
/* s2mu005 */
int irq_det_bat;
int irq_chg;
struct delayed_work polling_work;
#if defined(CONFIG_SEC_FUELGAUGE_S2MU005)
int voltage_now;
int voltage_avg;
int voltage_ocv;
unsigned int capacity;
#endif
#if defined(CONFIG_MUIC_NOTIFIER)
struct notifier_block cable_check;
#endif
};
static char *s2mu005_supplied_to[] = {
"s2mu005-battery",
};
static enum power_supply_property s2mu005_power_props[] = {
POWER_SUPPLY_PROP_ONLINE,
};
static enum power_supply_property s2mu005_charger_props[] = {
POWER_SUPPLY_PROP_STATUS,
POWER_SUPPLY_PROP_CHARGE_TYPE,
POWER_SUPPLY_PROP_HEALTH,
POWER_SUPPLY_PROP_ONLINE,
POWER_SUPPLY_PROP_CURRENT_MAX,
POWER_SUPPLY_PROP_CURRENT_AVG,
POWER_SUPPLY_PROP_CURRENT_NOW,
POWER_SUPPLY_PROP_CHARGE_OTG_CONTROL,
};
static enum power_supply_property s2mu005_battery_props[] = {
POWER_SUPPLY_PROP_STATUS,
POWER_SUPPLY_PROP_CHARGE_TYPE,
POWER_SUPPLY_PROP_HEALTH,
POWER_SUPPLY_PROP_PRESENT,
POWER_SUPPLY_PROP_TECHNOLOGY,
POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
POWER_SUPPLY_PROP_CHARGE_FULL,
POWER_SUPPLY_PROP_CHARGE_NOW,
POWER_SUPPLY_PROP_CAPACITY,
POWER_SUPPLY_PROP_CAPACITY_LEVEL,
POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
POWER_SUPPLY_PROP_MODEL_NAME,
POWER_SUPPLY_PROP_MANUFACTURER,
POWER_SUPPLY_PROP_SERIAL_NUMBER,
POWER_SUPPLY_PROP_TEMP,
POWER_SUPPLY_PROP_VOLTAGE_NOW,
};
static int s2mu005_get_charging_health(struct s2mu005_charger_data *charger);
static void s2mu005_test_read(struct i2c_client *i2c)
{
u8 data;
char str[1016] = {0,};
int i;
for (i = 0x8; i <= 0x1A; i++) {
s2mu005_read_reg(i2c, i, &data);
sprintf(str+strlen(str), "0x%02x:0x%02x, ", i, data);
}
pr_err("[DEBUG]%s: %s\n", __func__, str);
}
static void s2mu005_charger_otg_control(struct s2mu005_charger_data *charger,
bool enable)
{
if (!enable) {
/* turn off OTG */
s2mu005_update_reg(charger->client, S2MU005_CHG_CTRL15,
0 << T_EN_OTG_SHIFT, T_EN_OTG_MASK);
/* set mode to BUCK mode */
s2mu005_update_reg(charger->client, S2MU005_CHG_CTRL0,
1 << REG_MODE_SHIFT, REG_MODE_MASK);
/* mask VMID_INT */
s2mu005_update_reg(charger->client, S2MU005_REG_SC_INT_MASK,
1 << VMID_M_SHIFT, VMID_M_MASK);
pr_info("%s : Turn off OTG\n", __func__);
} else {
/* unmask VMID_INT */
s2mu005_update_reg(charger->client, S2MU005_REG_SC_INT_MASK,
0 << VMID_M_SHIFT, VMID_M_MASK);
/* set mode to OTG */
s2mu005_update_reg(charger->client, S2MU005_CHG_CTRL0,
4 << REG_MODE_SHIFT, REG_MODE_MASK);
/* set boost frequency to 2MHz */
s2mu005_update_reg(charger->client, S2MU005_CHG_CTRL11,
3 << SET_OSC_BST_SHIFT, SET_OSC_BST_MASK);
/* set OTG current limit to 1.5 A */
s2mu005_update_reg(charger->client, S2MU005_CHG_CTRL4,
3 << SET_OTG_OCP_SHIFT, SET_OTG_OCP_MASK);
/* VBUS switches are OFF when OTG over-current happen */
s2mu005_update_reg(charger->client, S2MU005_CHG_CTRL4,
1 << OTG_OCP_SW_OFF_SHIFT, OTG_OCP_SW_OFF_MASK);
/* set OTG voltage to 5.1 V */
s2mu005_update_reg(charger->client, S2MU005_CHG_CTRL5,
0x16 << SET_VF_VMID_BST_SHIFT, SET_VF_VMID_BST_MASK);
/* turn on OTG */
s2mu005_update_reg(charger->client, S2MU005_CHG_CTRL15,
3 << T_EN_OTG_SHIFT, T_EN_OTG_MASK);
pr_info("%s : Turn on OTG\n", __func__);
}
}
static void s2mu005_enable_charger_switch(struct s2mu005_charger_data *charger,
int onoff)
{
if (onoff > 0) {
pr_err("[DEBUG]%s: turn on charger\n", __func__);
s2mu005_update_reg(charger->client, S2MU005_CHG_CTRL0,
0 << REG_MODE_SHIFT, REG_MODE_MASK);
msleep(50);
s2mu005_update_reg(charger->client, S2MU005_CHG_CTRL0,
2 << REG_MODE_SHIFT, REG_MODE_MASK);
} else {
charger->full_charged = false;
pr_err("[DEBUG] %s: turn off charger\n", __func__);
s2mu005_update_reg(charger->client, S2MU005_CHG_CTRL0,
0 << REG_MODE_SHIFT, REG_MODE_MASK);
}
}
static void s2mu005_set_regulation_voltage(struct s2mu005_charger_data *charger,
int float_voltage)
{
int data;
pr_err("[DEBUG]%s: float_voltage %d \n", __func__, float_voltage);
if (float_voltage <= 3900)
data = 0;
else if (float_voltage > 3900 && float_voltage <= 4400)
data = (float_voltage - 3900) / 10;
else
data = 0x32;
s2mu005_update_reg(charger->client,
S2MU005_CHG_CTRL8, data << SET_VF_VBAT_SHIFT, SET_VF_VBAT_MASK);
}
static void s2mu005_set_input_current_limit(struct s2mu005_charger_data *charger,
int charging_current)
{
int data;
pr_err("[DEBUG]%s: current %d \n", __func__, charging_current);
if (charging_current <= 100)
data = 0;
else if (charging_current >= 100 && charging_current <= 2600)
data = (charging_current - 100) / 50;
else
data = 0x3F;
s2mu005_update_reg(charger->client, S2MU005_CHG_CTRL2,
data << INPUT_CURRENT_LIMIT_SHIFT, INPUT_CURRENT_LIMIT_MASK);
s2mu005_test_read(charger->client);
}
static int s2mu005_get_input_current_limit(struct i2c_client *i2c)
{
u8 data;
s2mu005_read_reg(i2c, S2MU005_CHG_CTRL2, &data);
if (data < 0)
return data;
data = data & INPUT_CURRENT_LIMIT_MASK;
if (data > 0x3F)
data = 0x3F;
return data * 50 + 100;
}
static void s2mu005_set_fast_charging_current(struct i2c_client *i2c,
int charging_current)
{
int data;
pr_err("[DEBUG]%s: current %d \n", __func__, charging_current);
if (charging_current <= 100)
data = 0;
else if (charging_current >= 100 && charging_current <= 2600)
data = ((charging_current - 100) / 50) + 1;
else
data = 0x33;
s2mu005_update_reg(i2c, S2MU005_CHG_CTRL7, data << FAST_CHARGING_CURRENT_SHIFT,
FAST_CHARGING_CURRENT_MASK);
s2mu005_test_read(i2c);
}
static int s2mu005_get_fast_charging_current(struct i2c_client *i2c)
{
u8 data;
s2mu005_read_reg(i2c, S2MU005_CHG_CTRL7, &data);
if (data < 0)
return data;
data = data & FAST_CHARGING_CURRENT_MASK;
if (data > 0x33)
data = 0x33;
return (data - 1) * 50 + 100;
}
static int s2mu005_get_current_eoc_setting(struct s2mu005_charger_data *charger)
{
u8 data;
s2mu005_read_reg(charger->client, S2MU005_CHG_CTRL10, &data);
if (data < 0)
return data;
data = data & FIRST_TOPOFF_CURRENT_MASK;
if (data > 0x0F)
data = 0x0F;
return data * 25 + 100;
}
static void s2mu005_set_topoff_current(struct i2c_client *i2c,
int eoc_1st_2nd, int current_limit)
{
int data;
pr_err("[DEBUG]%s: current %d \n", __func__, current_limit);
if (current_limit <= 100)
data = 0;
else if (current_limit > 100 && current_limit <= 475)
data = (current_limit - 100) / 25;
else
data = 0x0F;
switch (eoc_1st_2nd) {
case 1:
s2mu005_update_reg(i2c, S2MU005_CHG_CTRL10, data << FIRST_TOPOFF_CURRENT_SHIFT,
FIRST_TOPOFF_CURRENT_MASK);
break;
case 2:
s2mu005_update_reg(i2c, S2MU005_CHG_CTRL10, data << SECOND_TOPOFF_CURRENT_SHIFT,
SECOND_TOPOFF_CURRENT_MASK);
break;
default:
break;
}
}
/* eoc reset */
static void s2mu005_set_charging_current(struct s2mu005_charger_data *charger)
{
int adj_current = 0;
pr_err("[DEBUG]%s: charger->siop_level %d \n", __func__, charger->siop_level);
adj_current = charger->charging_current * charger->siop_level / 100;
s2mu005_set_fast_charging_current(charger->client, adj_current);
s2mu005_test_read(charger->client);
}
enum {
S2MU005_MIVR_4200MV = 0,
S2MU005_MIVR_4300MV,
S2MU005_MIVR_4400MV,
S2MU005_MIVR_4500MV,
S2MU005_MIVR_4600MV,
S2MU005_MIVR_4700MV,
S2MU005_MIVR_4800MV,
S2MU005_MIVR_4900MV,
};
#if ENABLE_MIVR
/* charger input regulation voltage setting */
static void s2mu005_set_mivr_level(struct s2mu005_charger_data *charger)
{
int mivr = S2MU005_MIVR_4400MV;
s2mu005_update_reg(charger->client,
S2MU005_CHG_CTRL1, mivr << SET_VIN_DROP_SHIFT, SET_VIN_DROP_MASK);
}
#endif /* ENABLE_MIVR */
static void s2mu005_configure_charger(struct s2mu005_charger_data *charger)
{
int eoc, current_limit = 0;
union power_supply_propval chg_mode;
union power_supply_propval swelling_state;
pr_err("[DEBUG] %s \n", __func__);
if (charger->charging_current < 0) {
pr_info("%s : OTG is activated. Ignore command!\n",
__func__);
return;
}
#if ENABLE_MIVR
s2mu005_set_mivr_level(charger);
#endif /* DISABLE_MIVR */
/* msleep(200); */
/* Input current limit */
if ((charger->dev_id == 0) && (charger->cable_type == POWER_SUPPLY_TYPE_USB)) {
current_limit = 700; /* only for EVT0 */
} else {
current_limit = charger->pdata->charging_current_table
[charger->cable_type].input_current_limit;
}
pr_err("[DEBUG] %s : input current (%dmA)\n", __func__, current_limit);
s2mu005_set_input_current_limit(charger, current_limit);
/* Float voltage */
pr_err("[DEBUG] %s : float voltage (%dmV)\n",
__func__, charger->pdata->chg_float_voltage);
s2mu005_set_regulation_voltage(charger,
charger->pdata->chg_float_voltage);
charger->charging_current = charger->pdata->charging_current_table
[charger->cable_type].fast_charging_current;
/* Fast charge */
pr_err("[DEBUG] %s : fast charging current (%dmA)\n",
__func__, charger->charging_current);
s2mu005_set_charging_current(charger);
/* Termination current */
if (charger->pdata->chg_eoc_dualpath == true) {
eoc = charger->pdata->charging_current_table
[charger->cable_type].full_check_current_1st;
s2mu005_set_topoff_current(charger->client, 1, eoc);
eoc = charger->pdata->charging_current_table
[charger->cable_type].full_check_current_2nd;
s2mu005_set_topoff_current(charger->client, 2, eoc);
} else {
if (charger->pdata->full_check_type_2nd == SEC_BATTERY_FULLCHARGED_CHGPSY) {
psy_do_property("battery", get,
POWER_SUPPLY_PROP_CHARGE_NOW,
chg_mode);
#if defined(CONFIG_BATTERY_SWELLING)
psy_do_property("battery", get,
POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT,
swelling_state);
#else
swelling_state.intval = 0;
#endif
if (chg_mode.intval == SEC_BATTERY_CHARGING_2ND || swelling_state.intval) {
s2mu005_enable_charger_switch(charger, 0);
eoc = charger->pdata->charging_current_table
[charger->cable_type].full_check_current_2nd;
} else {
eoc = charger->pdata->charging_current_table
[charger->cable_type].full_check_current_1st;
}
} else {
eoc = charger->pdata->charging_current_table
[charger->cable_type].full_check_current_1st;
}
pr_info("[DEBUG]%s : termination current (%dmA)\n",
__func__, eoc);
s2mu005_set_topoff_current(charger->client, 1, eoc);
}
s2mu005_enable_charger_switch(charger, 1);
}
/* here is set init charger data */
#define S2MU005_MRSTB_CTRL 0X47
static bool s2mu005_chg_init(struct s2mu005_charger_data *charger)
{
u8 temp;
/* Read Charger IC Dev ID */
s2mu005_read_reg(charger->client, S2MU005_REG_REV_ID, &temp);
charger->dev_id = temp & 0x0F;
dev_info(&charger->client->dev, "%s : DEV ID : 0x%x\n", __func__,
charger->dev_id);
s2mu005_update_reg(charger->client, 0x59, 0x00, 0x01 << 3);
s2mu005_update_reg(charger->client, 0x20, 0x7 << 3, 0x07 << 3);
s2mu005_update_reg(charger->client, 0x7C, 0x00, 0x01);
s2mu005_update_reg(charger->client, 0x29, 0x00, 0x01 << 7);
s2mu005_update_reg(charger->client, 0x13, 0x00, 0x01 << 7);
s2mu005_update_reg(charger->client, 0x1A, 0x00, 0x01 << 4);
s2mu005_update_reg(charger->client, 0x01, 0x01 << 7, 0x01 << 7);
/* Buck switching mode frequency setting */
/* Disable Timer function (Charging timeout fault) */
/* to be */
/* Disable TE */
/* to be */
/* MUST set correct regulation voltage first
* Before MUIC pass cable type information to charger
* charger would be already enabled (default setting)
* it might cause EOC event by incorrect regulation voltage */
/* to be */
#if !(ENABLE_MIVR)
/* voltage regulatio disable does not exist mu005 */
#endif
/* TOP-OFF debounce time set 256us */
/* only 003 ? need to check */
/* Disable (set 0min TOP OFF Timer) */
/* to be */
return true;
}
static int s2mu005_get_charging_status(struct s2mu005_charger_data *charger)
{
int status = POWER_SUPPLY_STATUS_UNKNOWN;
int ret;
u8 chg_sts;
union power_supply_propval chg_mode;
union power_supply_propval value;
ret = s2mu005_read_reg(charger->client, S2MU005_CHG_STATUS0, &chg_sts);
psy_do_property("s2mu005-battery", get, POWER_SUPPLY_PROP_CHARGE_NOW, chg_mode);
psy_do_property(charger->pdata->fuelgauge_name, get, POWER_SUPPLY_PROP_CURRENT_AVG, value);
if (ret < 0)
return status;
switch (chg_sts & 0x0F) {
case 0x00: /* charger is off */
status = POWER_SUPPLY_STATUS_DISCHARGING;
break;
case 0x02: /* Pre-charge state */
case 0x03: /* Cool-charge state */
case 0x04: /* CC state */
case 0x05: /* CV state */
status = POWER_SUPPLY_STATUS_CHARGING;
break;
case 0x07: /* Top-off state */
case 0x06: /* Done Flag */
case 0x08: /* Done state */
if (value.intval < charger->pdata->charging_current_table
[charger->cable_type].full_check_current_1st) {
status = POWER_SUPPLY_STATUS_FULL;
charger->charge_mode = SEC_BATTERY_CHARGING_NONE;
s2mu005_enable_charger_switch(charger, 0);
} else
status = POWER_SUPPLY_STATUS_CHARGING;
break;
case 0x0F: /* Input is invalid */
status = POWER_SUPPLY_STATUS_NOT_CHARGING;
break;
default:
break;
}
return status;
}
static int s2mu005_get_charge_type(struct i2c_client *iic)
{
int status = POWER_SUPPLY_CHARGE_TYPE_UNKNOWN;
u8 ret;
s2mu005_read_reg(iic, S2MU005_CHG_STATUS0, &ret);
if (ret < 0)
dev_err(&iic->dev, "%s fail\n", __func__);
switch (ret & CHG_OK_MASK) {
case CHG_OK_MASK:
status = POWER_SUPPLY_CHARGE_TYPE_FAST;
break;
default:
/* 005 does not need to do this */
/* pre-charge mode */
status = POWER_SUPPLY_CHARGE_TYPE_TRICKLE;
break;
}
return status;
}
static bool s2mu005_get_batt_present(struct i2c_client *iic)
{
u8 ret;
s2mu005_read_reg(iic, S2MU005_CHG_STATUS1, &ret);
if (ret < 0)
return false;
return (ret & DET_BAT_STATUS_MASK) ? true : false;
}
static int s2mu005_get_charging_health(struct s2mu005_charger_data *charger)
{
u8 ret;
s2mu005_read_reg(charger->client, S2MU005_CHG_STATUS0, &ret);
if (ret < 0)
return POWER_SUPPLY_HEALTH_UNKNOWN;
if (ret & (CHG_STATUS_MASK)) {
charger->ovp = false;
return POWER_SUPPLY_HEALTH_GOOD;
}
/* 005 need to check ovp & health count */
charger->unhealth_cnt = HEALTH_DEBOUNCE_CNT;
if (charger->ovp)
return POWER_SUPPLY_HEALTH_OVERVOLTAGE;
return POWER_SUPPLY_HEALTH_UNDERVOLTAGE;
}
static int sec_chg_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
int chg_curr, aicr;
struct s2mu005_charger_data *charger =
container_of(psy, struct s2mu005_charger_data, psy_chg);
switch (psp) {
case POWER_SUPPLY_PROP_ONLINE:
val->intval = charger->charging_current ? 1 : 0;
break;
case POWER_SUPPLY_PROP_STATUS:
val->intval = s2mu005_get_charging_status(charger);
break;
case POWER_SUPPLY_PROP_HEALTH:
val->intval = s2mu005_get_charging_health(charger);
s2mu005_test_read(charger->client);
break;
case POWER_SUPPLY_PROP_CURRENT_MAX:
val->intval = 2000;
break;
case POWER_SUPPLY_PROP_CURRENT_NOW:
if (charger->charging_current) {
aicr = s2mu005_get_input_current_limit(charger->client);
chg_curr = s2mu005_get_fast_charging_current(charger->client);
val->intval = MINVAL(aicr, chg_curr);
} else
val->intval = 0;
break;
case POWER_SUPPLY_PROP_CHARGE_TYPE:
val->intval = s2mu005_get_charge_type(charger->client);
break;
#if defined(CONFIG_BATTERY_SWELLING) || defined(CONFIG_BATTERY_SWELLING_SELF_DISCHARGING)
case POWER_SUPPLY_PROP_VOLTAGE_MAX:
val->intval = charger->pdata->chg_float_voltage;
break;
#endif
case POWER_SUPPLY_PROP_PRESENT:
val->intval = s2mu005_get_batt_present(charger->client);
break;
case POWER_SUPPLY_PROP_CHARGING_ENABLED:
val->intval = charger->is_charging;
break;
default:
return -EINVAL;
}
return 0;
}
static int sec_chg_set_property(struct power_supply *psy,
enum power_supply_property psp,
const union power_supply_propval *val)
{
struct s2mu005_charger_data *charger =
container_of(psy, struct s2mu005_charger_data, psy_chg);
int eoc;
int previous_cable_type = charger->cable_type;
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
charger->status = val->intval;
break;
/* val->intval : type */
case POWER_SUPPLY_PROP_ONLINE:
charger->cable_type = val->intval;
if (charger->cable_type == POWER_SUPPLY_TYPE_BATTERY ||
charger->cable_type == POWER_SUPPLY_TYPE_UNKNOWN) {
pr_err("[DEBUG]%s:[BATT] Type Battery\n", __func__);
if (previous_cable_type == POWER_SUPPLY_TYPE_OTG)
s2mu005_charger_otg_control(charger, false);
charger->charging_current = charger->pdata->charging_current_table
[POWER_SUPPLY_TYPE_USB].fast_charging_current;
s2mu005_set_input_current_limit(charger,
charger->pdata->charging_current_table
[POWER_SUPPLY_TYPE_USB].input_current_limit);
s2mu005_set_charging_current(charger);
s2mu005_set_topoff_current(charger->client, 1,
charger->pdata->charging_current_table
[POWER_SUPPLY_TYPE_USB].full_check_current_1st);
charger->is_charging = false;
charger->full_charged = false;
charger->charge_mode = SEC_BATTERY_CHARGING_NONE;
s2mu005_enable_charger_switch(charger, 0);
} else if (charger->cable_type == POWER_SUPPLY_TYPE_OTG) {
pr_err("[DEBUG]%s: OTG mode\n", __func__);
s2mu005_charger_otg_control(charger, true);
} else {
pr_err("[DEBUG]%s:[BATT] Set charging"
", Cable type = %d\n", __func__, charger->cable_type);
/* Enable charger */
s2mu005_configure_charger(charger);
charger->charge_mode = SEC_BATTERY_CHARGING_1ST;
charger->is_charging = true;
}
#if EN_TEST_READ
msleep(100);
#endif
break;
case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
case POWER_SUPPLY_PROP_CURRENT_NOW:
pr_err("[DEBUG] %s: is_charging %d\n", __func__, charger->is_charging);
/* set charging current */
if (charger->is_charging) {
/* decrease the charging current according to siop level */
charger->siop_level = val->intval;
pr_err("[DEBUG] %s:SIOP level = %d, chg current = %d\n", __func__,
val->intval, charger->charging_current);
eoc = s2mu005_get_current_eoc_setting(charger);
s2mu005_set_charging_current(charger);
s2mu005_set_topoff_current(charger->client, 1, 0);
}
break;
#if defined(CONFIG_BATTERY_SWELLING) || defined(CONFIG_BATTERY_SWELLING_SELF_DISCHARGING)
case POWER_SUPPLY_PROP_VOLTAGE_MAX:
pr_err("[DEBUG]%s: float voltage(%d)\n", __func__, val->intval);
charger->pdata->chg_float_voltage = val->intval;
s2mu005_set_regulation_voltage(charger,
charger->pdata->chg_float_voltage);
break;
#endif
case POWER_SUPPLY_PROP_POWER_NOW:
eoc = s2mu005_get_current_eoc_setting(charger);
pr_err("[DEBUG]%s:Set Power Now -> chg current = %d mA, eoc = %d mA\n", __func__,
val->intval, eoc);
s2mu005_set_charging_current(charger);
s2mu005_set_topoff_current(charger->client, 1, 0);
break;
case POWER_SUPPLY_PROP_CHARGE_OTG_CONTROL:
s2mu005_charger_otg_control(charger, val->intval);
break;
case POWER_SUPPLY_PROP_CHARGING_ENABLED:
pr_err("[DEBUG]%s: CHARGING_ENABLE\n", __func__);
/* charger->is_charging = val->intval; */
s2mu005_enable_charger_switch(charger, val->intval);
break;
default:
return -EINVAL;
}
return 0;
}
/*
ssize_t s2mu003_chg_show_attrs(struct device *dev,
const ptrdiff_t offset, char *buf)
{
struct power_supply *psy = dev_get_drvdata(dev);
struct s2mu003_charger_data *charger =
container_of(psy, struct s2mu003_charger_data, psy_chg);
int i = 0;
char *str = NULL;
switch (offset) {
case CHG_REG:
i += scnprintf(buf + i, PAGE_SIZE - i, "%x\n",
charger->reg_addr);
break;
case CHG_DATA:
i += scnprintf(buf + i, PAGE_SIZE - i, "%x\n",
charger->reg_data);
break;
case CHG_REGS:
str = kzalloc(sizeof(char) * 256, GFP_KERNEL);
if (!str)
return -ENOMEM;
// s2mu005_read_regs(charger->client, str);
i += scnprintf(buf + i, PAGE_SIZE - i, "%s\n",
str);
kfree(str);
break;
default:
i = -EINVAL;
break;
}
return i;
}
ssize_t s2mu003_chg_store_attrs(struct device *dev,
const ptrdiff_t offset,
const char *buf, size_t count)
{
struct power_supply *psy = dev_get_drvdata(dev);
struct s2mu003_charger_data *charger =
container_of(psy, struct s2mu003_charger_data, psy_chg);
int ret = 0;
int x = 0;
uint8_t data = 0;
switch (offset) {
case CHG_REG:
if (sscanf(buf, "%x\n", &x) == 1) {
charger->reg_addr = x;
data = s2mu003_reg_read(charger->client,
charger->reg_addr);
charger->reg_data = data;
dev_dbg(dev, "%s: (read) addr = 0x%x, data = 0x%x\n",
__func__, charger->reg_addr, charger->reg_data);
ret = count;
}
break;
case CHG_DATA:
if (sscanf(buf, "%x\n", &x) == 1) {
data = (u8)x;
dev_dbg(dev, "%s: (write) addr = 0x%x, data = 0x%x\n",
__func__, charger->reg_addr, data);
ret = s2mu003_reg_write(charger->client,
charger->reg_addr, data);
if (ret < 0) {
dev_dbg(dev, "I2C write fail Reg0x%x = 0x%x\n",
(int)charger->reg_addr, (int)data);
}
ret = count;
}
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
*/
static int s2mu005_usb_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
struct s2mu005_charger_data *charger =
container_of(psy, struct s2mu005_charger_data, psy_usb);
if (psp != POWER_SUPPLY_PROP_ONLINE)
return -EINVAL;
/* Set enable=1 only if the USB charger is connected */
switch (charger->battery_cable_type) {
case POWER_SUPPLY_TYPE_USB:
case POWER_SUPPLY_TYPE_USB_DCP:
case POWER_SUPPLY_TYPE_USB_CDP:
case POWER_SUPPLY_TYPE_USB_ACA:
val->intval = 1;
break;
default:
val->intval = 0;
break;
}
return 0;
}
static int s2mu005_ac_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
struct s2mu005_charger_data *charger =
container_of(psy, struct s2mu005_charger_data, psy_ac);
if (psp != POWER_SUPPLY_PROP_ONLINE)
return -EINVAL;
/* Set enable=1 only if the AC charger is connected */
switch (charger->battery_cable_type) {
case POWER_SUPPLY_TYPE_MAINS:
case POWER_SUPPLY_TYPE_UARTOFF:
case POWER_SUPPLY_TYPE_LAN_HUB:
case POWER_SUPPLY_TYPE_UNKNOWN:
case POWER_SUPPLY_TYPE_HV_PREPARE_MAINS:
case POWER_SUPPLY_TYPE_HV_ERR:
case POWER_SUPPLY_TYPE_HV_UNKNOWN:
case POWER_SUPPLY_TYPE_HV_MAINS:
val->intval = 1;
break;
default:
val->intval = 0;
break;
}
return 0;
}
static int s2mu005_battery_get_property(struct power_supply *psy,
enum power_supply_property psp, union power_supply_propval *val)
{
struct s2mu005_charger_data *charger =
container_of(psy, struct s2mu005_charger_data, psy_battery);
#if defined(CONFIG_SEC_FUELGAUGE_S2MU005)
union power_supply_propval value;
int charger_status = 0;
#endif
int ret = 0;
dev_dbg(&charger->client->dev, "prop: %d\n", psp);
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
val->intval = s2mu005_get_charging_status(charger);
break;
case POWER_SUPPLY_PROP_HEALTH:
val->intval = s2mu005_get_charging_health(charger);
break;
case POWER_SUPPLY_PROP_ONLINE:
val->intval = charger->battery_cable_type;
break;
case POWER_SUPPLY_PROP_PRESENT:
val->intval = charger->battery_valid;
break;
case POWER_SUPPLY_PROP_CHARGE_TYPE:
val->intval = POWER_SUPPLY_CHARGE_TYPE_FAST;
break;
case POWER_SUPPLY_PROP_TECHNOLOGY:
val->intval = POWER_SUPPLY_TECHNOLOGY_LIPO;
break;
case POWER_SUPPLY_PROP_SCOPE:
val->intval = POWER_SUPPLY_SCOPE_SYSTEM;
break;
#if defined(CONFIG_SEC_FUELGAUGE_S2MU005)
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
if (!charger->battery_valid)
val->intval = FAKE_BAT_LEVEL;
else {
psy_do_property_dup(charger->pdata->fuelgauge_name, get,
POWER_SUPPLY_PROP_VOLTAGE_NOW, value);
charger->voltage_now = value.intval;
dev_err(&charger->client->dev,
"%s: voltage now(%d)\n", __func__,
charger->voltage_now);
val->intval = charger->voltage_now * 1000;
}
break;
case POWER_SUPPLY_PROP_VOLTAGE_AVG:
value.intval = SEC_BATTERY_VOLTAGE_AVERAGE;
psy_do_property_dup(charger->pdata->fuelgauge_name, get,
POWER_SUPPLY_PROP_VOLTAGE_AVG, value);
charger->voltage_avg = value.intval;
dev_err(&charger->client->dev,
"%s: voltage avg(%d)\n", __func__,
charger->voltage_avg);
val->intval = charger->voltage_now * 1000;
break;
case POWER_SUPPLY_PROP_TEMP:
val->intval = FAKE_BAT_LEVEL;
break;
#endif
case POWER_SUPPLY_PROP_CAPACITY:
#if defined(CONFIG_SEC_FUELGAUGE_S2MU005)
if (!charger->battery_valid)
val->intval = FAKE_BAT_LEVEL;
else {
charger_status = s2mu005_get_charging_status(charger);
if (charger_status
== POWER_SUPPLY_STATUS_FULL)
val->intval = 100;
else
val->intval = charger->capacity;
}
#else
val->intval = FAKE_BAT_LEVEL;
#endif
break;
default:
ret = -ENODATA;
}
return ret;
}
static int s2mu005_battery_set_property(struct power_supply *psy,
enum power_supply_property psp,
const union power_supply_propval *val)
{
struct s2mu005_charger_data *charger =
container_of(psy, struct s2mu005_charger_data, psy_battery);
int ret = 0;
dev_dbg(&charger->client->dev, "prop: %d\n", psp);
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
charger->status = val->intval;
break;
case POWER_SUPPLY_PROP_HEALTH:
charger->health = val->intval;
break;
case POWER_SUPPLY_PROP_ONLINE:
charger->battery_cable_type = val->intval;
break;
default:
ret = -EINVAL;
}
return ret;
}
#if defined(CONFIG_MUIC_NOTIFIER)
static int s2mu005_bat_cable_check(struct s2mu005_charger_data *charger,
muic_attached_dev_t attached_dev)
{
int current_cable_type = -1;
pr_debug("[%s]ATTACHED(%d)\n", __func__, attached_dev);
switch (attached_dev) {
case ATTACHED_DEV_JIG_UART_OFF_MUIC:
break;
case ATTACHED_DEV_SMARTDOCK_MUIC:
case ATTACHED_DEV_DESKDOCK_MUIC:
current_cable_type = POWER_SUPPLY_TYPE_BATTERY;
break;
case ATTACHED_DEV_OTG_MUIC:
case ATTACHED_DEV_JIG_UART_OFF_VB_OTG_MUIC:
case ATTACHED_DEV_HMT_MUIC:
current_cable_type = POWER_SUPPLY_TYPE_OTG;
break;
case ATTACHED_DEV_USB_MUIC:
case ATTACHED_DEV_JIG_USB_OFF_MUIC:
case ATTACHED_DEV_JIG_USB_ON_MUIC:
case ATTACHED_DEV_SMARTDOCK_USB_MUIC:
case ATTACHED_DEV_UNOFFICIAL_ID_USB_MUIC:
current_cable_type = POWER_SUPPLY_TYPE_USB;
break;
case ATTACHED_DEV_JIG_UART_OFF_VB_MUIC:
case ATTACHED_DEV_JIG_UART_OFF_VB_FG_MUIC:
current_cable_type = POWER_SUPPLY_TYPE_UARTOFF;
break;
case ATTACHED_DEV_TA_MUIC:
case ATTACHED_DEV_CARDOCK_MUIC:
case ATTACHED_DEV_DESKDOCK_VB_MUIC:
case ATTACHED_DEV_SMARTDOCK_TA_MUIC:
case ATTACHED_DEV_AFC_CHARGER_5V_MUIC:
case ATTACHED_DEV_UNOFFICIAL_TA_MUIC:
case ATTACHED_DEV_UNOFFICIAL_ID_TA_MUIC:
case ATTACHED_DEV_UNOFFICIAL_ID_ANY_MUIC:
case ATTACHED_DEV_QC_CHARGER_5V_MUIC:
case ATTACHED_DEV_UNSUPPORTED_ID_VB_MUIC:
current_cable_type = POWER_SUPPLY_TYPE_MAINS;
break;
case ATTACHED_DEV_CDP_MUIC:
case ATTACHED_DEV_UNOFFICIAL_ID_CDP_MUIC:
current_cable_type = POWER_SUPPLY_TYPE_USB_CDP;
break;
case ATTACHED_DEV_USB_LANHUB_MUIC:
current_cable_type = POWER_SUPPLY_TYPE_LAN_HUB;
break;
case ATTACHED_DEV_CHARGING_CABLE_MUIC:
current_cable_type = POWER_SUPPLY_TYPE_POWER_SHARING;
break;
case ATTACHED_DEV_AFC_CHARGER_PREPARE_MUIC:
case ATTACHED_DEV_QC_CHARGER_PREPARE_MUIC:
current_cable_type = POWER_SUPPLY_TYPE_HV_PREPARE_MAINS;
break;
case ATTACHED_DEV_AFC_CHARGER_9V_MUIC:
case ATTACHED_DEV_QC_CHARGER_9V_MUIC:
current_cable_type = POWER_SUPPLY_TYPE_HV_MAINS;
break;
case ATTACHED_DEV_AFC_CHARGER_ERR_V_MUIC:
case ATTACHED_DEV_QC_CHARGER_ERR_V_MUIC:
current_cable_type = POWER_SUPPLY_TYPE_HV_ERR;
break;
case ATTACHED_DEV_UNDEFINED_CHARGING_MUIC:
current_cable_type = POWER_SUPPLY_TYPE_UNKNOWN;
break;
case ATTACHED_DEV_HV_ID_ERR_UNDEFINED_MUIC:
case ATTACHED_DEV_HV_ID_ERR_UNSUPPORTED_MUIC:
case ATTACHED_DEV_HV_ID_ERR_SUPPORTED_MUIC:
current_cable_type = POWER_SUPPLY_TYPE_HV_UNKNOWN;
break;
default:
pr_err("%s: invalid type for charger:%d\n",
__func__, attached_dev);
}
return current_cable_type;
}
static int charger_handle_notification(struct notifier_block *nb,
unsigned long action, void *data)
{
muic_attached_dev_t attached_dev = *(muic_attached_dev_t *)data;
const char *cmd;
int cable_type;
struct s2mu005_charger_data *charger =
container_of(nb, struct s2mu005_charger_data,
cable_check);
union power_supply_propval value;
if (attached_dev == ATTACHED_DEV_MHL_MUIC)
return 0;
switch (action) {
case MUIC_NOTIFY_CMD_DETACH:
case MUIC_NOTIFY_CMD_LOGICALLY_DETACH:
cmd = "DETACH";
cable_type = POWER_SUPPLY_TYPE_BATTERY;
break;
case MUIC_NOTIFY_CMD_ATTACH:
case MUIC_NOTIFY_CMD_LOGICALLY_ATTACH:
cmd = "ATTACH";
cable_type = s2mu005_bat_cable_check(charger, attached_dev);
break;
default:
cmd = "ERROR";
cable_type = -1;
break;
}
pr_info("%s: current_cable(%d) former cable_type(%d) battery_valid(%d)\n",
__func__, cable_type, charger->battery_cable_type,
charger->battery_valid);
if (charger->battery_valid == false) {
pr_info("%s: Battery is disconnected\n",
__func__);
return 0;
}
if (attached_dev == ATTACHED_DEV_OTG_MUIC) {
if (!strcmp(cmd, "ATTACH")) {
value.intval = true;
charger->battery_cable_type = cable_type;
psy_do_property(charger->pdata->charger_name, set,
POWER_SUPPLY_PROP_CHARGE_OTG_CONTROL,
value);
pr_info("%s: OTG cable attached\n", __func__);
} else {
value.intval = false;
charger->battery_cable_type = cable_type;
psy_do_property(charger->pdata->charger_name, set,
POWER_SUPPLY_PROP_CHARGE_OTG_CONTROL,
value);
pr_info("%s: OTG cable detached\n", __func__);
}
}
if ((cable_type >= 0) &&
cable_type <= SEC_SIZEOF_POWER_SUPPLY_TYPE) {
if (cable_type != charger->battery_cable_type) {
value.intval = charger->battery_cable_type = cable_type;
psy_do_property(charger->pdata->charger_name, set,
POWER_SUPPLY_PROP_ONLINE,
value);
} else {
pr_info("%s: Cable is Not Changed(%d)\n",
__func__, charger->battery_cable_type);
}
}
power_supply_changed(&charger->psy_battery);
pr_info("%s: CMD=%s, attached_dev=%d battery_cable=%d\n",
__func__, cmd, attached_dev, charger->battery_cable_type);
return 0;
}
#endif /* CONFIG_MUIC_NOTIFIER */
#if defined(CONFIG_SEC_FUELGAUGE_S2MU005) || defined(CONFIG_MUIC_NOTIFIER)
static void sec_bat_get_battery_info(struct work_struct *work)
{
struct s2mu005_charger_data *charger =
container_of(work, struct s2mu005_charger_data, polling_work.work);
#if defined(CONFIG_SEC_FUELGAUGE_S2MU005)
u8 ret = 0;
union power_supply_propval value;
psy_do_property(charger->pdata->fuelgauge_name, get,
POWER_SUPPLY_PROP_VOLTAGE_NOW, value);
charger->voltage_now = value.intval;
value.intval = SEC_BATTERY_VOLTAGE_AVERAGE;
psy_do_property(charger->pdata->fuelgauge_name, get,
POWER_SUPPLY_PROP_VOLTAGE_AVG, value);
charger->voltage_avg = value.intval;
value.intval = SEC_BATTERY_VOLTAGE_OCV;
psy_do_property(charger->pdata->fuelgauge_name, get,
POWER_SUPPLY_PROP_VOLTAGE_AVG, value);
charger->voltage_ocv = value.intval;
/* To get SOC value (NOT raw SOC), need to reset value */
value.intval = 0;
psy_do_property(charger->pdata->fuelgauge_name, get,
POWER_SUPPLY_PROP_CAPACITY, value);
charger->capacity = value.intval;
if (charger->voltage_now < charger->pdata->recharge_vcell &&
charger->charge_mode == SEC_BATTERY_CHARGING_NONE &&
charger->is_charging) {
s2mu005_enable_charger_switch(charger, 1);
charger->charge_mode = SEC_BATTERY_CHARGING_1ST;
}
pr_info("%s: voltage_now: (%d), voltage_avg: (%d),"
"voltage_ocv: (%d), capacity: (%d)\n",
__func__, charger->voltage_now, charger->voltage_avg,
charger->voltage_ocv, charger->capacity);
if (!charger->battery_valid) {
s2mu005_read_reg(charger->client,
S2MU005_CHG_STATUS1, &ret);
charger->battery_valid =
(ret & DET_BAT_STATUS_MASK) ? true : false;
}
s2mu005_test_read(charger->client);
power_supply_changed(&charger->psy_battery);
schedule_delayed_work(&charger->polling_work, HZ * 10);
#endif
#if defined(CONFIG_MUIC_NOTIFIER)
if (!charger->noti_check)
muic_notifier_register(&charger->cable_check,
charger_handle_notification,
MUIC_NOTIFY_DEV_CHARGER);
charger->noti_check = true;
#endif
}
#endif
/* s2mu005 interrupt service routine */
static irqreturn_t s2mu005_det_bat_isr(int irq, void *data)
{
struct s2mu005_charger_data *charger = data;
u8 val;
s2mu005_read_reg(charger->client, S2MU005_CHG_STATUS1, &val);
if ((val & DET_BAT_STATUS_MASK) == 0) {
s2mu005_enable_charger_switch(charger, 0);
pr_err("charger-off if battery removed \n");
}
return IRQ_HANDLED;
}
#if 0
static irqreturn_t s2mu005_chg_isr(int irq, void *data)
{
struct s2mu005_charger_data *charger = data;
u8 val;
s2mu005_read_reg(charger->client, S2MU005_CHG_STATUS0, &val);
pr_err("[DEBUG] %s , %02x \n " , __func__, val);
if (val & (CHG_STATUS_DONE << CHG_STATUS_SHIFT)) {
pr_err("add self chg done \n");
/* add chg done code here */
}
return IRQ_HANDLED;
}
#endif
static int s2mu005_charger_parse_dt(struct device *dev,
struct s2mu005_charger_platform_data *pdata)
{
struct device_node *np = of_find_node_by_name(NULL, "s2mu005-charger");
const u32 *p;
int ret, i , len;
/* SC_CTRL8 , SET_VF_VBAT , Battery regulation voltage setting */
ret = of_property_read_u32(np, "battery,chg_float_voltage",
&pdata->chg_float_voltage);
np = of_find_node_by_name(NULL, "battery");
if (!np) {
pr_err("%s np NULL\n", __func__);
} else {
ret = of_property_read_string(np,
"battery,charger_name", (char const **)&pdata->charger_name);
#if defined(CONFIG_SEC_FUELGAUGE_S2MU005)
ret = of_property_read_string(np,
"battery,fuelgauge_name",
(char const **)&pdata->fuelgauge_name);
#endif
ret = of_property_read_u32(np, "battery,full_check_type_2nd",
&pdata->full_check_type_2nd);
if (ret)
pr_info("%s : Full check type 2nd is Empty\n", __func__);
pdata->chg_eoc_dualpath = of_property_read_bool(np,
"battery,chg_eoc_dualpath");
ret = of_property_read_u32(np, "battery,recharge_condition_vcell",
&pdata->recharge_vcell);
p = of_get_property(np, "battery,input_current_limit", &len);
if (!p)
return 1;
len = len / sizeof(u32);
pdata->charging_current_table = kzalloc(sizeof(sec_charging_current_t) * len,
GFP_KERNEL);
for (i = 0; i < len; i++) {
ret = of_property_read_u32_index(np,
"battery,input_current_limit", i,
&pdata->charging_current_table[i].input_current_limit);
ret = of_property_read_u32_index(np,
"battery,fast_charging_current", i,
&pdata->charging_current_table[i].fast_charging_current);
ret = of_property_read_u32_index(np,
"battery,full_check_current_1st", i,
&pdata->charging_current_table[i].full_check_current_1st);
ret = of_property_read_u32_index(np,
"battery,full_check_current_2nd", i,
&pdata->charging_current_table[i].full_check_current_2nd);
}
}
dev_info(dev, "s2mu005 charger parse dt retval = %d\n", ret);
return ret;
}
/* if need to set s2mu005 pdata */
static struct of_device_id s2mu005_charger_match_table[] = {
{ .compatible = "samsung,s2mu005-charger",},
{},
};
static int s2mu005_charger_probe(struct platform_device *pdev)
{
struct s2mu005_dev *s2mu005 = dev_get_drvdata(pdev->dev.parent);
struct s2mu005_platform_data *pdata = dev_get_platdata(s2mu005->dev);
struct s2mu005_charger_data *charger;
int ret = 0;
pr_err("%s:[BATT] S2MU005 Charger driver probe\n", __func__);
charger = kzalloc(sizeof(*charger), GFP_KERNEL);
if (!charger)
return -ENOMEM;
mutex_init(&charger->io_lock);
charger->dev = &pdev->dev;
charger->client = s2mu005->i2c;
charger->pdata = devm_kzalloc(&pdev->dev, sizeof(*(charger->pdata)),
GFP_KERNEL);
if (!charger->pdata) {
dev_err(&pdev->dev, "Failed to allocate memory\n");
ret = -ENOMEM;
goto err_parse_dt_nomem;
}
ret = s2mu005_charger_parse_dt(&pdev->dev, charger->pdata);
if (ret < 0)
goto err_parse_dt;
platform_set_drvdata(pdev, charger);
if (charger->pdata->charger_name == NULL)
charger->pdata->charger_name = "sec-charger";
charger->psy_chg.name = charger->pdata->charger_name;
charger->psy_chg.type = POWER_SUPPLY_TYPE_UNKNOWN;
charger->psy_chg.get_property = sec_chg_get_property;
charger->psy_chg.set_property = sec_chg_set_property;
charger->psy_chg.properties = s2mu005_charger_props;
charger->psy_chg.num_properties = ARRAY_SIZE(s2mu005_charger_props);
#ifdef CONFIG_SEC_FUELGAUGE_S2MU005
if (charger->pdata->fuelgauge_name == NULL)
charger->pdata->fuelgauge_name = "s2mu005-fuelgauge";
#endif
charger->psy_battery.name = "s2mu005-battery";
charger->psy_battery.type = POWER_SUPPLY_TYPE_BATTERY;
charger->psy_battery.properties =
s2mu005_battery_props;
charger->psy_battery.num_properties =
ARRAY_SIZE(s2mu005_battery_props);
charger->psy_battery.get_property =
s2mu005_battery_get_property;
charger->psy_battery.set_property =
s2mu005_battery_set_property;
ret = power_supply_register(&pdev->dev, &charger->psy_battery);
if (ret) {
pr_err("%s: Failed to Register psy_battery\n", __func__);
goto err_power_supply_register;
}
#if defined(CONFIG_SEC_FUELGAUGE_S2MU005)
charger->capacity = 0;
#endif
charger->psy_usb.name = "s2mu005-usb";
charger->psy_usb.type = POWER_SUPPLY_TYPE_USB;
charger->psy_usb.supplied_to = s2mu005_supplied_to;
charger->psy_usb.num_supplicants =
ARRAY_SIZE(s2mu005_supplied_to),
charger->psy_usb.properties =
s2mu005_power_props;
charger->psy_usb.num_properties =
ARRAY_SIZE(s2mu005_power_props);
charger->psy_usb.get_property =
s2mu005_usb_get_property;
ret = power_supply_register(&pdev->dev, &charger->psy_usb);
if (ret) {
pr_err("%s: Failed to Register psy_usb\n", __func__);
goto err_power_supply_register;
}
charger->psy_ac.name = "s2mu005-ac";
charger->psy_ac.type = POWER_SUPPLY_TYPE_MAINS;
charger->psy_ac.supplied_to = s2mu005_supplied_to;
charger->psy_ac.num_supplicants =
ARRAY_SIZE(s2mu005_supplied_to),
charger->psy_ac.properties =
s2mu005_power_props;
charger->psy_ac.num_properties =
ARRAY_SIZE(s2mu005_power_props);
charger->psy_ac.get_property =
s2mu005_ac_get_property;
ret = power_supply_register(&pdev->dev, &charger->psy_ac);
if (ret) {
pr_err("%s: Failed to Register psy_usb\n", __func__);
goto err_power_supply_register;
}
/* need to check siop level */
charger->siop_level = 100;
s2mu005_chg_init(charger);
ret = power_supply_register(&pdev->dev, &charger->psy_chg);
if (ret) {
pr_err("%s: Failed to Register psy_chg\n", __func__);
goto err_power_supply_register;
}
/*
* irq request
* if you need to add irq , please refer below code.
*/
charger->irq_det_bat = pdata->irq_base + S2MU005_CHG_IRQ_DET_BAT;
ret = request_threaded_irq(charger->irq_det_bat, NULL,
s2mu005_det_bat_isr, 0 , "det-bat-in-irq", charger);
if (ret < 0) {
dev_err(s2mu005->dev, "%s: Fail to request det bat in IRQ: %d: %d\n",
__func__, charger->irq_det_bat, ret);
goto err_reg_irq;
}
#if 0
charger->irq_chg = pdata->irq_base + S2MU005_CHG_IRQ_CHG;
ret = request_threaded_irq(charger->irq_chg, NULL,
s2mu005_chg_isr, 0 , "chg-irq", charger);
if (ret < 0) {
dev_err(s2mu005->dev, "%s: Fail to request det bat in IRQ: %d: %d\n",
__func__, charger->irq_chg, ret);
goto err_reg_irq;
}
#endif
s2mu005_test_read(charger->client);
charger->battery_cable_type = POWER_SUPPLY_TYPE_BATTERY;
charger->cable_type = POWER_SUPPLY_TYPE_BATTERY;
charger->charger_wqueue = create_singlethread_workqueue("charger-wq");
if (!charger->charger_wqueue) {
dev_info(&pdev->dev, "%s: failed to create wq.\n", __func__);
ret = -ESRCH;
goto err_create_wq;
}
charger->noti_check = false;
#if defined(CONFIG_SEC_FUELGAUGE_S2MU005) || defined(CONFIG_MUIC_NOTIFIER)
INIT_DELAYED_WORK(&charger->polling_work,
sec_bat_get_battery_info);
schedule_delayed_work(&charger->polling_work, HZ * 5);
#endif
pr_info("%s:[BATT] S2MU005 charger driver loaded OK\n", __func__);
return 0;
err_create_wq:
err_reg_irq:
destroy_workqueue(charger->charger_wqueue);
power_supply_unregister(&charger->psy_chg);
power_supply_unregister(&charger->psy_battery);
err_power_supply_register:
err_parse_dt:
err_parse_dt_nomem:
mutex_destroy(&charger->io_lock);
kfree(charger);
return ret;
}
static int s2mu005_charger_remove(struct platform_device *pdev)
{
struct s2mu005_charger_data *charger =
platform_get_drvdata(pdev);
power_supply_unregister(&charger->psy_chg);
mutex_destroy(&charger->io_lock);
kfree(charger);
return 0;
}
#if defined CONFIG_PM
static int s2mu005_charger_suspend(struct device *dev)
{
return 0;
}
static int s2mu005_charger_resume(struct device *dev)
{
return 0;
}
#else
#define s2mu005_charger_suspend NULL
#define s2mu005_charger_resume NULL
#endif
static void s2mu005_charger_shutdown(struct device *dev)
{
pr_info("%s: S2MU005 Charger driver shutdown\n", __func__);
}
static SIMPLE_DEV_PM_OPS(s2mu005_charger_pm_ops, s2mu005_charger_suspend,
s2mu005_charger_resume);
static struct platform_driver s2mu005_charger_driver = {
.driver = {
.name = "s2mu005-charger",
.owner = THIS_MODULE,
.of_match_table = s2mu005_charger_match_table,
.pm = &s2mu005_charger_pm_ops,
.shutdown = s2mu005_charger_shutdown,
},
.probe = s2mu005_charger_probe,
.remove = s2mu005_charger_remove,
};
static int __init s2mu005_charger_init(void)
{
int ret = 0;
ret = platform_driver_register(&s2mu005_charger_driver);
return ret;
}
subsys_initcall(s2mu005_charger_init);
static void __exit s2mu005_charger_exit(void)
{
platform_driver_unregister(&s2mu005_charger_driver);
}
module_exit(s2mu005_charger_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Samsung Electronics");
MODULE_DESCRIPTION("Charger driver for S2MU005");
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