diff options
Diffstat (limited to 'drivers/hwmon/f75375s.c')
-rw-r--r-- | drivers/hwmon/f75375s.c | 309 |
1 files changed, 234 insertions, 75 deletions
diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c index 95cbfb3a707..eedf574ab53 100644 --- a/drivers/hwmon/f75375s.c +++ b/drivers/hwmon/f75375s.c @@ -1,16 +1,19 @@ /* - * f75375s.c - driver for the Fintek F75375/SP and F75373 - * hardware monitoring features + * f75375s.c - driver for the Fintek F75375/SP, F75373 and + * F75387SG/RG hardware monitoring features * Copyright (C) 2006-2007 Riku Voipio * * Datasheets available at: * * f75375: - * http://www.fintek.com.tw/files/productfiles/F75375_V026P.pdf + * http://www.fintek.com.tw/files/productfiles/F75375_V026P.pdf * * f75373: * http://www.fintek.com.tw/files/productfiles/F75373_V025P.pdf * + * f75387: + * http://www.fintek.com.tw/files/productfiles/F75387_V027P.pdf + * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or @@ -40,7 +43,7 @@ /* Addresses to scan */ static const unsigned short normal_i2c[] = { 0x2d, 0x2e, I2C_CLIENT_END }; -enum chips { f75373, f75375 }; +enum chips { f75373, f75375, f75387 }; /* Fintek F75375 registers */ #define F75375_REG_CONFIG0 0x0 @@ -59,6 +62,7 @@ enum chips { f75373, f75375 }; #define F75375_REG_VOLT_LOW(nr) (0x21 + (nr) * 2) #define F75375_REG_TEMP(nr) (0x14 + (nr)) +#define F75387_REG_TEMP11_LSB(nr) (0x1a + (nr)) #define F75375_REG_TEMP_HIGH(nr) (0x28 + (nr) * 2) #define F75375_REG_TEMP_HYST(nr) (0x29 + (nr) * 2) @@ -78,8 +82,11 @@ enum chips { f75373, f75375 }; #define F75375_REG_PWM1_DROP_DUTY 0x6B #define F75375_REG_PWM2_DROP_DUTY 0x6C -#define FAN_CTRL_LINEAR(nr) (4 + nr) +#define F75375_FAN_CTRL_LINEAR(nr) (4 + nr) +#define F75387_FAN_CTRL_LINEAR(nr) (1 + ((nr) * 4)) #define FAN_CTRL_MODE(nr) (4 + ((nr) * 2)) +#define F75387_FAN_DUTY_MODE(nr) (2 + ((nr) * 4)) +#define F75387_FAN_MANU_MODE(nr) ((nr) * 4) /* * Data structures and manipulation thereof @@ -102,13 +109,18 @@ struct f75375_data { u8 in_min[4]; u16 fan[2]; u16 fan_min[2]; - u16 fan_full[2]; - u16 fan_exp[2]; + u16 fan_max[2]; + u16 fan_target[2]; u8 fan_timer; u8 pwm[2]; u8 pwm_mode[2]; u8 pwm_enable[2]; - s8 temp[2]; + /* + * f75387: For remote temperature reading, it uses signed 11-bit + * values with LSB = 0.125 degree Celsius, left-justified in 16-bit + * registers. For original 8-bit temp readings, the LSB just is 0. + */ + s16 temp11[2]; s8 temp_high[2]; s8 temp_max_hyst[2]; }; @@ -122,6 +134,7 @@ static int f75375_remove(struct i2c_client *client); static const struct i2c_device_id f75375_id[] = { { "f75373", f75373 }, { "f75375", f75375 }, + { "f75387", f75387 }, { } }; MODULE_DEVICE_TABLE(i2c, f75375_id); @@ -146,8 +159,8 @@ static inline int f75375_read8(struct i2c_client *client, u8 reg) /* in most cases, should be called while holding update_lock */ static inline u16 f75375_read16(struct i2c_client *client, u8 reg) { - return ((i2c_smbus_read_byte_data(client, reg) << 8) - | i2c_smbus_read_byte_data(client, reg + 1)); + return (i2c_smbus_read_byte_data(client, reg) << 8) + | i2c_smbus_read_byte_data(client, reg + 1); } static inline void f75375_write8(struct i2c_client *client, u8 reg, @@ -181,11 +194,11 @@ static struct f75375_data *f75375_update_device(struct device *dev) f75375_read8(client, F75375_REG_TEMP_HIGH(nr)); data->temp_max_hyst[nr] = f75375_read8(client, F75375_REG_TEMP_HYST(nr)); - data->fan_full[nr] = + data->fan_max[nr] = f75375_read16(client, F75375_REG_FAN_FULL(nr)); data->fan_min[nr] = f75375_read16(client, F75375_REG_FAN_MIN(nr)); - data->fan_exp[nr] = + data->fan_target[nr] = f75375_read16(client, F75375_REG_FAN_EXP(nr)); data->pwm[nr] = f75375_read8(client, F75375_REG_FAN_PWM_DUTY(nr)); @@ -205,8 +218,14 @@ static struct f75375_data *f75375_update_device(struct device *dev) if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) { for (nr = 0; nr < 2; nr++) { - data->temp[nr] = - f75375_read8(client, F75375_REG_TEMP(nr)); + /* assign MSB, therefore shift it by 8 bits */ + data->temp11[nr] = + f75375_read8(client, F75375_REG_TEMP(nr)) << 8; + if (data->kind == f75387) + /* merge F75387's temperature LSB (11-bit) */ + data->temp11[nr] |= + f75375_read8(client, + F75387_REG_TEMP11_LSB(nr)); data->fan[nr] = f75375_read16(client, F75375_REG_FAN(nr)); } @@ -226,14 +245,14 @@ static inline u16 rpm_from_reg(u16 reg) { if (reg == 0 || reg == 0xffff) return 0; - return (1500000 / reg); + return 1500000 / reg; } static inline u16 rpm_to_reg(int rpm) { if (rpm < 367 || rpm > 0xffff) return 0xffff; - return (1500000 / rpm); + return 1500000 / rpm; } static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, @@ -242,7 +261,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct f75375_data *data = i2c_get_clientdata(client); - int val = simple_strtoul(buf, NULL, 10); + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err < 0) + return err; mutex_lock(&data->update_lock); data->fan_min[nr] = rpm_to_reg(val); @@ -251,17 +275,22 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, return count; } -static ssize_t set_fan_exp(struct device *dev, struct device_attribute *attr, +static ssize_t set_fan_target(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct f75375_data *data = i2c_get_clientdata(client); - int val = simple_strtoul(buf, NULL, 10); + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err < 0) + return err; mutex_lock(&data->update_lock); - data->fan_exp[nr] = rpm_to_reg(val); - f75375_write16(client, F75375_REG_FAN_EXP(nr), data->fan_exp[nr]); + data->fan_target[nr] = rpm_to_reg(val); + f75375_write16(client, F75375_REG_FAN_EXP(nr), data->fan_target[nr]); mutex_unlock(&data->update_lock); return count; } @@ -272,7 +301,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct f75375_data *data = i2c_get_clientdata(client); - int val = simple_strtoul(buf, NULL, 10); + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err < 0) + return err; mutex_lock(&data->update_lock); data->pwm[nr] = SENSORS_LIMIT(val, 0, 255); @@ -294,28 +328,54 @@ static int set_pwm_enable_direct(struct i2c_client *client, int nr, int val) struct f75375_data *data = i2c_get_clientdata(client); u8 fanmode; - if (val < 0 || val > 4) + if (val < 0 || val > 3) return -EINVAL; fanmode = f75375_read8(client, F75375_REG_FAN_TIMER); - fanmode &= ~(3 << FAN_CTRL_MODE(nr)); - - switch (val) { - case 0: /* Full speed */ - fanmode |= (3 << FAN_CTRL_MODE(nr)); - data->pwm[nr] = 255; - f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr), - data->pwm[nr]); - break; - case 1: /* PWM */ - fanmode |= (3 << FAN_CTRL_MODE(nr)); - break; - case 2: /* AUTOMATIC*/ - fanmode |= (2 << FAN_CTRL_MODE(nr)); - break; - case 3: /* fan speed */ - break; + if (data->kind == f75387) { + /* clear each fanX_mode bit before setting them properly */ + fanmode &= ~(1 << F75387_FAN_DUTY_MODE(nr)); + fanmode &= ~(1 << F75387_FAN_MANU_MODE(nr)); + switch (val) { + case 0: /* full speed */ + fanmode |= (1 << F75387_FAN_MANU_MODE(nr)); + fanmode |= (1 << F75387_FAN_DUTY_MODE(nr)); + data->pwm[nr] = 255; + f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr), + data->pwm[nr]); + break; + case 1: /* PWM */ + fanmode |= (1 << F75387_FAN_MANU_MODE(nr)); + fanmode |= (1 << F75387_FAN_DUTY_MODE(nr)); + break; + case 2: /* AUTOMATIC*/ + fanmode |= (1 << F75387_FAN_DUTY_MODE(nr)); + break; + case 3: /* fan speed */ + fanmode |= (1 << F75387_FAN_MANU_MODE(nr)); + break; + } + } else { + /* clear each fanX_mode bit before setting them properly */ + fanmode &= ~(3 << FAN_CTRL_MODE(nr)); + switch (val) { + case 0: /* full speed */ + fanmode |= (3 << FAN_CTRL_MODE(nr)); + data->pwm[nr] = 255; + f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr), + data->pwm[nr]); + break; + case 1: /* PWM */ + fanmode |= (3 << FAN_CTRL_MODE(nr)); + break; + case 2: /* AUTOMATIC*/ + fanmode |= (2 << FAN_CTRL_MODE(nr)); + break; + case 3: /* fan speed */ + break; + } } + f75375_write8(client, F75375_REG_FAN_TIMER, fanmode); data->pwm_enable[nr] = val; return 0; @@ -327,8 +387,12 @@ static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr, int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct f75375_data *data = i2c_get_clientdata(client); - int val = simple_strtoul(buf, NULL, 10); - int err = 0; + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err < 0) + return err; mutex_lock(&data->update_lock); err = set_pwm_enable_direct(client, nr, val); @@ -342,20 +406,39 @@ static ssize_t set_pwm_mode(struct device *dev, struct device_attribute *attr, int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct f75375_data *data = i2c_get_clientdata(client); - int val = simple_strtoul(buf, NULL, 10); - u8 conf = 0; + unsigned long val; + int err; + u8 conf; + char reg, ctrl; + + err = kstrtoul(buf, 10, &val); + if (err < 0) + return err; if (!(val == 0 || val == 1)) return -EINVAL; + /* F75373 does not support DC (linear voltage) fan control mode */ + if (data->kind == f75373 && val == 0) + return -EINVAL; + + /* take care for different registers */ + if (data->kind == f75387) { + reg = F75375_REG_FAN_TIMER; + ctrl = F75387_FAN_CTRL_LINEAR(nr); + } else { + reg = F75375_REG_CONFIG1; + ctrl = F75375_FAN_CTRL_LINEAR(nr); + } + mutex_lock(&data->update_lock); - conf = f75375_read8(client, F75375_REG_CONFIG1); - conf &= ~(1 << FAN_CTRL_LINEAR(nr)); + conf = f75375_read8(client, reg); + conf &= ~(1 << ctrl); if (val == 0) - conf |= (1 << FAN_CTRL_LINEAR(nr)) ; + conf |= (1 << ctrl); - f75375_write8(client, F75375_REG_CONFIG1, conf); + f75375_write8(client, reg, conf); data->pwm_mode[nr] = val; mutex_unlock(&data->update_lock); return count; @@ -410,7 +493,13 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct f75375_data *data = i2c_get_clientdata(client); - int val = simple_strtoul(buf, NULL, 10); + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err < 0) + return err; + val = SENSORS_LIMIT(VOLT_TO_REG(val), 0, 0xff); mutex_lock(&data->update_lock); data->in_max[nr] = val; @@ -425,7 +514,13 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct f75375_data *data = i2c_get_clientdata(client); - int val = simple_strtoul(buf, NULL, 10); + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err < 0) + return err; + val = SENSORS_LIMIT(VOLT_TO_REG(val), 0, 0xff); mutex_lock(&data->update_lock); data->in_min[nr] = val; @@ -435,13 +530,14 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, } #define TEMP_FROM_REG(val) ((val) * 1000) #define TEMP_TO_REG(val) ((val) / 1000) +#define TEMP11_FROM_REG(reg) ((reg) / 32 * 125) -static ssize_t show_temp(struct device *dev, struct device_attribute *attr, +static ssize_t show_temp11(struct device *dev, struct device_attribute *attr, char *buf) { int nr = to_sensor_dev_attr(attr)->index; struct f75375_data *data = f75375_update_device(dev); - return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr])); + return sprintf(buf, "%d\n", TEMP11_FROM_REG(data->temp11[nr])); } static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr, @@ -466,7 +562,13 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct f75375_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err < 0) + return err; + val = SENSORS_LIMIT(TEMP_TO_REG(val), 0, 127); mutex_lock(&data->update_lock); data->temp_high[nr] = val; @@ -481,7 +583,13 @@ static ssize_t set_temp_max_hyst(struct device *dev, int nr = to_sensor_dev_attr(attr)->index; struct i2c_client *client = to_i2c_client(dev); struct f75375_data *data = i2c_get_clientdata(client); - int val = simple_strtol(buf, NULL, 10); + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err < 0) + return err; + val = SENSORS_LIMIT(TEMP_TO_REG(val), 0, 127); mutex_lock(&data->update_lock); data->temp_max_hyst[nr] = val; @@ -502,8 +610,8 @@ static ssize_t show_##thing(struct device *dev, struct device_attribute *attr, \ show_fan(fan); show_fan(fan_min); -show_fan(fan_full); -show_fan(fan_exp); +show_fan(fan_max); +show_fan(fan_target); static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in, NULL, 0); static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO|S_IWUSR, @@ -525,28 +633,28 @@ static SENSOR_DEVICE_ATTR(in3_max, S_IRUGO|S_IWUSR, show_in_max, set_in_max, 3); static SENSOR_DEVICE_ATTR(in3_min, S_IRUGO|S_IWUSR, show_in_min, set_in_min, 3); -static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp11, NULL, 0); static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst, set_temp_max_hyst, 0); static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO|S_IWUSR, show_temp_max, set_temp_max, 0); -static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); +static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp11, NULL, 1); static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst, set_temp_max_hyst, 1); static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO|S_IWUSR, show_temp_max, set_temp_max, 1); static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); -static SENSOR_DEVICE_ATTR(fan1_full, S_IRUGO, show_fan_full, NULL, 0); +static SENSOR_DEVICE_ATTR(fan1_max, S_IRUGO, show_fan_max, NULL, 0); static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO|S_IWUSR, show_fan_min, set_fan_min, 0); -static SENSOR_DEVICE_ATTR(fan1_exp, S_IRUGO|S_IWUSR, - show_fan_exp, set_fan_exp, 0); +static SENSOR_DEVICE_ATTR(fan1_target, S_IRUGO|S_IWUSR, + show_fan_target, set_fan_target, 0); static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); -static SENSOR_DEVICE_ATTR(fan2_full, S_IRUGO, show_fan_full, NULL, 1); +static SENSOR_DEVICE_ATTR(fan2_max, S_IRUGO, show_fan_max, NULL, 1); static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO|S_IWUSR, show_fan_min, set_fan_min, 1); -static SENSOR_DEVICE_ATTR(fan2_exp, S_IRUGO|S_IWUSR, - show_fan_exp, set_fan_exp, 1); +static SENSOR_DEVICE_ATTR(fan2_target, S_IRUGO|S_IWUSR, + show_fan_target, set_fan_target, 1); static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, show_pwm, set_pwm, 0); static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, @@ -568,13 +676,13 @@ static struct attribute *f75375_attributes[] = { &sensor_dev_attr_temp2_max.dev_attr.attr, &sensor_dev_attr_temp2_max_hyst.dev_attr.attr, &sensor_dev_attr_fan1_input.dev_attr.attr, - &sensor_dev_attr_fan1_full.dev_attr.attr, + &sensor_dev_attr_fan1_max.dev_attr.attr, &sensor_dev_attr_fan1_min.dev_attr.attr, - &sensor_dev_attr_fan1_exp.dev_attr.attr, + &sensor_dev_attr_fan1_target.dev_attr.attr, &sensor_dev_attr_fan2_input.dev_attr.attr, - &sensor_dev_attr_fan2_full.dev_attr.attr, + &sensor_dev_attr_fan2_max.dev_attr.attr, &sensor_dev_attr_fan2_min.dev_attr.attr, - &sensor_dev_attr_fan2_exp.dev_attr.attr, + &sensor_dev_attr_fan2_target.dev_attr.attr, &sensor_dev_attr_pwm1.dev_attr.attr, &sensor_dev_attr_pwm1_enable.dev_attr.attr, &sensor_dev_attr_pwm1_mode.dev_attr.attr, @@ -604,6 +712,51 @@ static void f75375_init(struct i2c_client *client, struct f75375_data *data, struct f75375s_platform_data *f75375s_pdata) { int nr; + + if (!f75375s_pdata) { + u8 conf, mode; + int nr; + + conf = f75375_read8(client, F75375_REG_CONFIG1); + mode = f75375_read8(client, F75375_REG_FAN_TIMER); + for (nr = 0; nr < 2; nr++) { + if (data->kind == f75387) { + bool manu, duty; + + if (!(conf & (1 << F75387_FAN_CTRL_LINEAR(nr)))) + data->pwm_mode[nr] = 1; + + manu = ((mode >> F75387_FAN_MANU_MODE(nr)) & 1); + duty = ((mode >> F75387_FAN_DUTY_MODE(nr)) & 1); + if (manu && duty) + /* speed */ + data->pwm_enable[nr] = 3; + else if (!manu && duty) + /* automatic */ + data->pwm_enable[nr] = 2; + else + /* manual */ + data->pwm_enable[nr] = 1; + } else { + if (!(conf & (1 << F75375_FAN_CTRL_LINEAR(nr)))) + data->pwm_mode[nr] = 1; + + switch ((mode >> FAN_CTRL_MODE(nr)) & 3) { + case 0: /* speed */ + data->pwm_enable[nr] = 3; + break; + case 1: /* automatic */ + data->pwm_enable[nr] = 2; + break; + default: /* manual */ + data->pwm_enable[nr] = 1; + break; + } + } + } + return; + } + set_pwm_enable_direct(client, 0, f75375s_pdata->pwm_enable[0]); set_pwm_enable_direct(client, 1, f75375s_pdata->pwm_enable[1]); for (nr = 0; nr < 2; nr++) { @@ -624,14 +777,16 @@ static int f75375_probe(struct i2c_client *client, if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -EIO; - if (!(data = kzalloc(sizeof(struct f75375_data), GFP_KERNEL))) + data = kzalloc(sizeof(struct f75375_data), GFP_KERNEL); + if (!data) return -ENOMEM; i2c_set_clientdata(client, data); mutex_init(&data->update_lock); data->kind = id->driver_data; - if ((err = sysfs_create_group(&client->dev.kobj, &f75375_group))) + err = sysfs_create_group(&client->dev.kobj, &f75375_group); + if (err) goto exit_free; if (data->kind == f75375) { @@ -653,8 +808,7 @@ static int f75375_probe(struct i2c_client *client, goto exit_remove; } - if (f75375s_pdata != NULL) - f75375_init(client, data, f75375s_pdata); + f75375_init(client, data, f75375s_pdata); return 0; @@ -685,10 +839,15 @@ static int f75375_detect(struct i2c_client *client, vendid = f75375_read16(client, F75375_REG_VENDOR); chipid = f75375_read16(client, F75375_CHIP_ID); - if (chipid == 0x0306 && vendid == 0x1934) + if (vendid != 0x1934) + return -ENODEV; + + if (chipid == 0x0306) name = "f75375"; - else if (chipid == 0x0204 && vendid == 0x1934) + else if (chipid == 0x0204) name = "f75373"; + else if (chipid == 0x0410) + name = "f75387"; else return -ENODEV; @@ -711,7 +870,7 @@ static void __exit sensors_f75375_exit(void) MODULE_AUTHOR("Riku Voipio"); MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("F75373/F75375 hardware monitoring driver"); +MODULE_DESCRIPTION("F75373/F75375/F75387 hardware monitoring driver"); module_init(sensors_f75375_init); module_exit(sensors_f75375_exit); |