int smb345_config_thermal_charging(int temp, int volt, int rule)
{
struct i2c_client *client = charger->client;
int ret = 0, retval, setting = 0;
int BAT_Mid_Temp = BAT_Mid_Temp_Wired;
if (rule == THERMAL_RULE1)
BAT_Mid_Temp = BAT_Mid_Temp_Wired;
else if (rule == THERMAL_RULE2)
BAT_Mid_Temp = BAT_Mid_Temp_Wireless;
smb345_config_thermal_limit();
SMB_NOTICE("temp=%d, volt=%d\n", temp, volt);
ret = smb345_volatile_writes(client, smb345_ENABLE_WRITE);
if (ret < 0) {
dev_err(&client->dev, "%s() charger enable write error..\n", __func__);
goto error;
}
/*control float voltage*/
retval = smb345_read(client, smb345_FLOAT_VLTG);
if (retval < 0) {
dev_err(&client->dev, "%s(): Failed in reading 0x%02x",
__func__, smb345_FLOAT_VLTG);
goto error;
}
setting = retval & FLOAT_VOLT_MASK;
if (temp <= BAT_Mid_Temp
|| (temp > BAT_Mid_Temp && volt > FLOAT_VOLT_LOW_DECIMAL)
|| temp > BAT_Hot_Limit) {
if (setting != FLOAT_VOLT_43V) {
setting = retval & (~FLOAT_VOLT_MASK);
setting |= FLOAT_VOLT_43V;
SMB_NOTICE("Set Float Volt, retval=%x setting=%x\n", retval, setting);
ret = smb345_write(client, smb345_FLOAT_VLTG, setting);
if (ret < 0) {
dev_err(&client->dev, "%s(): Failed in writing 0x%02x to register"
"0x%02x\n", __func__, setting, smb345_FLOAT_VLTG);
goto error;
}
} else
SMB_NOTICE("Bypass set Float Volt=%x\n", retval);
} else {
if (setting != FLOAT_VOLT_LOW) {
setting = retval & (~FLOAT_VOLT_MASK);
setting |= FLOAT_VOLT_LOW;
SMB_NOTICE("Set Float Volt, retval=%x setting=%x\n", retval, setting);
ret = smb345_write(client, smb345_FLOAT_VLTG, setting);
if (ret < 0) {
dev_err(&client->dev, "%s(): Failed in writing 0x%02x to register"
"0x%02x\n", __func__, setting, smb345_FLOAT_VLTG);
goto error;
}
} else
SMB_NOTICE("Bypass set Float Volt=%x\n", retval);
}
/*charger enable/disable*/
retval = smb345_read(client, smb345_PIN_CTRL);
if (retval < 0) {
dev_err(&client->dev, "%s(): Failed in reading 0x%02x",
__func__, smb345_PIN_CTRL);
goto error;
}
setting = retval & ENABLE_PIN_CTRL_MASK;
if (temp < BAT_Cold_Limit || temp > BAT_Hot_Limit ||
(temp > BAT_Mid_Temp && volt > FLOAT_VOLT_LOW_DECIMAL)) {
if (setting != 0x40) {
SMB_NOTICE("Charger disable\n");
smb345_charger_enable(false);
} else
SMB_NOTICE("Bypass charger disable\n");
} else {
if (setting != 0x60) {
SMB_NOTICE("Charger enable\n");
smb345_charger_enable(true);
} else {
/*interrupt status*/
retval = smb345_read(client, smb345_INTR_STS_B);
if (retval < 0) {
dev_err(&client->dev, "%s(): Failed in reading 0x%02x",
__func__, smb345_INTR_STS_B);
goto error;
}
if ((retval & BAT_OVER_VOLT_MASK) == 0x40) {
SMB_NOTICE("disable then enable charger to recover bat over-volt\n");
smb345_charger_enable(false);
smb345_charger_enable(true);
} else
SMB_NOTICE("Bypass charger enable\n");
}
}
ret = smb345_volatile_writes(client, smb345_DISABLE_WRITE);
if (ret < 0) {
dev_err(&client->dev, "%s() charger enable write error..\n", __func__);
goto error;
}
error:
return ret;
}
int smb345_config_thermal_charging(int temp, int volt, int rule)
{
struct i2c_client *client = charger->client;
int ret = 0, retval, setting = 0;
int BAT_Mid_Temp = BAT_Mid_Temp_Wired;
/*Charger float voltage for normal temperature conditions. Default 4.3V.*/
int flt_volt_43 = FLOAT_VOLT_43V;
/*Charger float voltage for high temperature conditions. Default 4.1V.*/
int flt_volt_low = FLOAT_VOLT_LOW;
flt_volt_43 = (float_volt_setting - 3500) / 20;
if(flt_volt_43 < 0 || flt_volt_43 > FLOAT_VOLT_43V) {
SMB_NOTICE("BUG: Invalid float voltage setting calculated: %d\n", flt_volt_43);
flt_volt_43 = FLOAT_VOLT_43V;
}
if(flt_volt_low > flt_volt_43) flt_volt_low = flt_volt_43;
if (rule == THERMAL_RULE1)
BAT_Mid_Temp = BAT_Mid_Temp_Wired;
else if (rule == THERMAL_RULE2)
BAT_Mid_Temp = BAT_Mid_Temp_Wireless;
mdelay(100);
smb345_config_thermal_limit();
SMB_NOTICE("temp=%d, volt=%d\n", temp, volt);
ret = smb345_volatile_writes(client, smb345_ENABLE_WRITE);
if (ret < 0) {
dev_err(&client->dev, "%s() charger enable write error..\n", __func__);
goto error;
}
/*control float voltage*/
retval = smb345_read(client, smb345_FLOAT_VLTG);
if (retval < 0) {
dev_err(&client->dev, "%s(): Failed in reading 0x%02x",
__func__, smb345_FLOAT_VLTG);
goto error;
}
setting = retval & FLOAT_VOLT_MASK;
if (temp <= BAT_Mid_Temp
|| (temp > BAT_Mid_Temp && volt > FLOAT_VOLT_LOW_DECIMAL)
|| temp > BAT_Hot_Limit) {
if (setting != flt_volt_43) {
setting = retval & (~FLOAT_VOLT_MASK);
setting |= flt_volt_43;
SMB_NOTICE("Set Float Volt, retval=%x setting=%x V=%dmV\n", retval, setting, float_volt_setting);
ret = smb345_write(client, smb345_FLOAT_VLTG, setting);
if (ret < 0) {
dev_err(&client->dev, "%s(): Failed in writing 0x%02x to register"
"0x%02x\n", __func__, setting, smb345_FLOAT_VLTG);
goto error;
}
} else
SMB_NOTICE("Bypass set Float Volt setting=%x V=%dmV\n", retval, float_volt_setting);
} else {
if (setting != flt_volt_low) {
setting = retval & (~FLOAT_VOLT_MASK);
setting |= flt_volt_low;
SMB_NOTICE("Set Float Volt, retval=%x setting=%x\n", retval, setting);
ret = smb345_write(client, smb345_FLOAT_VLTG, setting);
if (ret < 0) {
dev_err(&client->dev, "%s(): Failed in writing 0x%02x to register"
"0x%02x\n", __func__, setting, smb345_FLOAT_VLTG);
goto error;
}
} else
SMB_NOTICE("Bypass set Float Volt=%x\n", retval);
}
/*charger enable/disable*/
retval = smb345_read(client, smb345_PIN_CTRL);
if (retval < 0) {
dev_err(&client->dev, "%s(): Failed in reading 0x%02x",
__func__, smb345_PIN_CTRL);
goto error;
}
setting = retval & ENABLE_PIN_CTRL_MASK;
if (temp < BAT_Cold_Limit || temp > BAT_Hot_Limit ||
(temp > BAT_Mid_Temp && volt > FLOAT_VOLT_LOW_DECIMAL)) {
if (setting != 0x40) {
SMB_NOTICE("Charger disable\n");
smb345_charger_enable(false);
} else
SMB_NOTICE("Bypass charger disable\n");
} else {
if (setting != 0x60) {
SMB_NOTICE("Charger enable\n");
smb345_charger_enable(true);
} else {
/*interrupt status*/
retval = smb345_read(client, smb345_INTR_STS_B);
if (retval < 0) {
dev_err(&client->dev, "%s(): Failed in reading 0x%02x",
__func__, smb345_INTR_STS_B);
goto error;
}
if ((retval & BAT_OVER_VOLT_MASK) == 0x40) {
SMB_NOTICE("disable then enable charger to recover bat over-volt\n");
smb345_charger_enable(false);
smb345_charger_enable(true);
} else
SMB_NOTICE("Bypass charger enable\n");
}
}
ret = smb345_volatile_writes(client, smb345_DISABLE_WRITE);
if (ret < 0) {
dev_err(&client->dev, "%s() charger enable write error..\n", __func__);
goto error;
}
error:
return ret;
}