#define F71882FG_REG_IN1_HIGH 0x32
#define F71882FG_REG_FAN(nr) (0xA0 + (16 * (nr)))
+#define F71882FG_REG_FAN_TARGET(nr) (0xA2 + (16 * (nr)))
+#define F71882FG_REG_FAN_FULL_SPEED(nr) (0xA4 + (16 * (nr)))
#define F71882FG_REG_FAN_STATUS 0x92
#define F71882FG_REG_FAN_BEEP 0x93
#define F71882FG_REG_TEMP_TYPE 0x6B
#define F71882FG_REG_TEMP_DIODE_OPEN 0x6F
+#define F71882FG_REG_PWM(nr) (0xA3 + (16 * (nr)))
+#define F71882FG_REG_PWM_TYPE 0x94
+#define F71882FG_REG_PWM_ENABLE 0x96
+
+#define F71882FG_REG_FAN_HYST0 0x98
+#define F71882FG_REG_FAN_HYST1 0x99
+
+#define F71882FG_REG_POINT_PWM(pwm, point) (0xAA + (point) + (16 * (pwm)))
+#define F71882FG_REG_POINT_TEMP(pwm, point) (0xA6 + (point) + (16 * (pwm)))
+#define F71882FG_REG_POINT_MAPPING(nr) (0xAF + 16 * (nr))
+
#define F71882FG_REG_START 0x01
#define FAN_MIN_DETECT 366 /* Lowest detectable fanspeed */
module_param(force_id, ushort, 0);
MODULE_PARM_DESC(force_id, "Override the detected device ID");
+static int fan_mode[4] = { 0, 0, 0, 0 };
+module_param_array(fan_mode, int, NULL, 0644);
+MODULE_PARM_DESC(fan_mode, "List of fan control modes (f71882fg only) "
+ "(0=don't change, 1=pwm, 2=rpm)\n"
+ "Note: this needs a write to pwm#_enable to take effect");
+
static struct platform_device *f71882fg_pdev;
/* Super-I/O Function prototypes */
u8 in_status;
u8 in_beep;
u16 fan[4];
+ u16 fan_target[4];
+ u16 fan_full_speed[4];
u8 fan_status;
u8 fan_beep;
u8 temp[3];
u8 temp_status;
u8 temp_beep;
u8 temp_diode_open;
+ u8 pwm[4];
+ u8 pwm_enable;
+ u8 pwm_auto_point_hyst[2];
+ u8 pwm_auto_point_mapping[4];
+ u8 pwm_auto_point_pwm[4][5];
+ u8 pwm_auto_point_temp[4][4];
};
/* Sysfs in */
/* Sysfs Fan */
static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
char *buf);
+static ssize_t show_fan_full_speed(struct device *dev,
+ struct device_attribute *devattr, char *buf);
+static ssize_t store_fan_full_speed(struct device *dev,
+ struct device_attribute *devattr, const char *buf, size_t count);
static ssize_t show_fan_beep(struct device *dev, struct device_attribute
*devattr, char *buf);
static ssize_t store_fan_beep(struct device *dev, struct device_attribute
*devattr, char *buf);
static ssize_t show_temp_fault(struct device *dev, struct device_attribute
*devattr, char *buf);
+/* PWM and Auto point control */
+static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr,
+ char *buf);
+static ssize_t store_pwm(struct device *dev, struct device_attribute *devattr,
+ const char *buf, size_t count);
+static ssize_t show_pwm_enable(struct device *dev,
+ struct device_attribute *devattr, char *buf);
+static ssize_t store_pwm_enable(struct device *dev,
+ struct device_attribute *devattr, const char *buf, size_t count);
+static ssize_t show_pwm_interpolate(struct device *dev,
+ struct device_attribute *devattr, char *buf);
+static ssize_t store_pwm_interpolate(struct device *dev,
+ struct device_attribute *devattr, const char *buf, size_t count);
+static ssize_t show_pwm_auto_point_channel(struct device *dev,
+ struct device_attribute *devattr, char *buf);
+static ssize_t store_pwm_auto_point_channel(struct device *dev,
+ struct device_attribute *devattr, const char *buf, size_t count);
+static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
+ struct device_attribute *devattr, char *buf);
+static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
+ struct device_attribute *devattr, const char *buf, size_t count);
+static ssize_t show_pwm_auto_point_pwm(struct device *dev,
+ struct device_attribute *devattr, char *buf);
+static ssize_t store_pwm_auto_point_pwm(struct device *dev,
+ struct device_attribute *devattr, const char *buf, size_t count);
+static ssize_t show_pwm_auto_point_temp(struct device *dev,
+ struct device_attribute *devattr, char *buf);
+static ssize_t store_pwm_auto_point_temp(struct device *dev,
+ struct device_attribute *devattr, const char *buf, size_t count);
/* Sysfs misc */
static ssize_t show_name(struct device *dev, struct device_attribute *devattr,
char *buf);
static struct sensor_device_attribute_2 f71882fg_fan_attr[] = {
SENSOR_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, 0, 0),
+ SENSOR_ATTR_2(fan1_full_speed, S_IRUGO|S_IWUSR,
+ show_fan_full_speed,
+ store_fan_full_speed, 0, 0),
SENSOR_ATTR_2(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep,
store_fan_beep, 0, 0),
SENSOR_ATTR_2(fan1_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 0),
SENSOR_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, 0, 1),
+ SENSOR_ATTR_2(fan2_full_speed, S_IRUGO|S_IWUSR,
+ show_fan_full_speed,
+ store_fan_full_speed, 0, 1),
SENSOR_ATTR_2(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep,
store_fan_beep, 0, 1),
SENSOR_ATTR_2(fan2_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 1),
SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2),
+ SENSOR_ATTR_2(fan3_full_speed, S_IRUGO|S_IWUSR,
+ show_fan_full_speed,
+ store_fan_full_speed, 0, 2),
SENSOR_ATTR_2(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep,
store_fan_beep, 0, 2),
SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
+ SENSOR_ATTR_2(fan4_full_speed, S_IRUGO|S_IWUSR,
+ show_fan_full_speed,
+ store_fan_full_speed, 0, 3),
SENSOR_ATTR_2(fan4_beep, S_IRUGO|S_IWUSR, show_fan_beep,
store_fan_beep, 0, 3),
SENSOR_ATTR_2(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 3),
+
+ SENSOR_ATTR_2(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 0),
+ SENSOR_ATTR_2(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
+ store_pwm_enable, 0, 0),
+ SENSOR_ATTR_2(pwm1_interpolate, S_IRUGO|S_IWUSR,
+ show_pwm_interpolate, store_pwm_interpolate, 0, 0),
+ SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_channel,
+ store_pwm_auto_point_channel, 0, 0),
+ SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 0, 0),
+ SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 1, 0),
+ SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 2, 0),
+ SENSOR_ATTR_2(pwm1_auto_point4_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 3, 0),
+ SENSOR_ATTR_2(pwm1_auto_point5_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 4, 0),
+ SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp, store_pwm_auto_point_temp,
+ 0, 0),
+ SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp, store_pwm_auto_point_temp,
+ 1, 0),
+ SENSOR_ATTR_2(pwm1_auto_point3_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp, store_pwm_auto_point_temp,
+ 2, 0),
+ SENSOR_ATTR_2(pwm1_auto_point4_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp, store_pwm_auto_point_temp,
+ 3, 0),
+ SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp_hyst,
+ store_pwm_auto_point_temp_hyst,
+ 0, 0),
+ SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
+ show_pwm_auto_point_temp_hyst, NULL, 1, 0),
+ SENSOR_ATTR_2(pwm1_auto_point3_temp_hyst, S_IRUGO,
+ show_pwm_auto_point_temp_hyst, NULL, 2, 0),
+ SENSOR_ATTR_2(pwm1_auto_point4_temp_hyst, S_IRUGO,
+ show_pwm_auto_point_temp_hyst, NULL, 3, 0),
+
+ SENSOR_ATTR_2(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 1),
+ SENSOR_ATTR_2(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
+ store_pwm_enable, 0, 1),
+ SENSOR_ATTR_2(pwm2_interpolate, S_IRUGO|S_IWUSR,
+ show_pwm_interpolate, store_pwm_interpolate, 0, 1),
+ SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_channel,
+ store_pwm_auto_point_channel, 0, 1),
+ SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 0, 1),
+ SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 1, 1),
+ SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 2, 1),
+ SENSOR_ATTR_2(pwm2_auto_point4_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 3, 1),
+ SENSOR_ATTR_2(pwm2_auto_point5_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 4, 1),
+ SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp, store_pwm_auto_point_temp,
+ 0, 1),
+ SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp, store_pwm_auto_point_temp,
+ 1, 1),
+ SENSOR_ATTR_2(pwm2_auto_point3_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp, store_pwm_auto_point_temp,
+ 2, 1),
+ SENSOR_ATTR_2(pwm2_auto_point4_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp, store_pwm_auto_point_temp,
+ 3, 1),
+ SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp_hyst,
+ store_pwm_auto_point_temp_hyst,
+ 0, 1),
+ SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
+ show_pwm_auto_point_temp_hyst, NULL, 1, 1),
+ SENSOR_ATTR_2(pwm2_auto_point3_temp_hyst, S_IRUGO,
+ show_pwm_auto_point_temp_hyst, NULL, 2, 1),
+ SENSOR_ATTR_2(pwm2_auto_point4_temp_hyst, S_IRUGO,
+ show_pwm_auto_point_temp_hyst, NULL, 3, 1),
+
+ SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 2),
+ SENSOR_ATTR_2(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
+ store_pwm_enable, 0, 2),
+ SENSOR_ATTR_2(pwm3_interpolate, S_IRUGO|S_IWUSR,
+ show_pwm_interpolate, store_pwm_interpolate, 0, 2),
+ SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_channel,
+ store_pwm_auto_point_channel, 0, 2),
+ SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 0, 2),
+ SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 1, 2),
+ SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 2, 2),
+ SENSOR_ATTR_2(pwm3_auto_point4_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 3, 2),
+ SENSOR_ATTR_2(pwm3_auto_point5_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 4, 2),
+ SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp, store_pwm_auto_point_temp,
+ 0, 2),
+ SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp, store_pwm_auto_point_temp,
+ 1, 2),
+ SENSOR_ATTR_2(pwm3_auto_point3_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp, store_pwm_auto_point_temp,
+ 2, 2),
+ SENSOR_ATTR_2(pwm3_auto_point4_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp, store_pwm_auto_point_temp,
+ 3, 2),
+ SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp_hyst,
+ store_pwm_auto_point_temp_hyst,
+ 0, 2),
+ SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
+ show_pwm_auto_point_temp_hyst, NULL, 1, 2),
+ SENSOR_ATTR_2(pwm3_auto_point3_temp_hyst, S_IRUGO,
+ show_pwm_auto_point_temp_hyst, NULL, 2, 2),
+ SENSOR_ATTR_2(pwm3_auto_point4_temp_hyst, S_IRUGO,
+ show_pwm_auto_point_temp_hyst, NULL, 3, 2),
+
+ SENSOR_ATTR_2(pwm4, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 3),
+ SENSOR_ATTR_2(pwm4_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
+ store_pwm_enable, 0, 3),
+ SENSOR_ATTR_2(pwm4_interpolate, S_IRUGO|S_IWUSR,
+ show_pwm_interpolate, store_pwm_interpolate, 0, 3),
+ SENSOR_ATTR_2(pwm4_auto_channels_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_channel,
+ store_pwm_auto_point_channel, 0, 3),
+ SENSOR_ATTR_2(pwm4_auto_point1_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 0, 3),
+ SENSOR_ATTR_2(pwm4_auto_point2_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 1, 3),
+ SENSOR_ATTR_2(pwm4_auto_point3_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 2, 3),
+ SENSOR_ATTR_2(pwm4_auto_point4_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 3, 3),
+ SENSOR_ATTR_2(pwm4_auto_point5_pwm, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
+ 4, 3),
+ SENSOR_ATTR_2(pwm4_auto_point1_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp, store_pwm_auto_point_temp,
+ 0, 3),
+ SENSOR_ATTR_2(pwm4_auto_point2_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp, store_pwm_auto_point_temp,
+ 1, 3),
+ SENSOR_ATTR_2(pwm4_auto_point3_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp, store_pwm_auto_point_temp,
+ 2, 3),
+ SENSOR_ATTR_2(pwm4_auto_point4_temp, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp, store_pwm_auto_point_temp,
+ 3, 3),
+ SENSOR_ATTR_2(pwm4_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
+ show_pwm_auto_point_temp_hyst,
+ store_pwm_auto_point_temp_hyst,
+ 0, 3),
+ SENSOR_ATTR_2(pwm4_auto_point2_temp_hyst, S_IRUGO,
+ show_pwm_auto_point_temp_hyst, NULL, 1, 3),
+ SENSOR_ATTR_2(pwm4_auto_point3_temp_hyst, S_IRUGO,
+ show_pwm_auto_point_temp_hyst, NULL, 2, 3),
+ SENSOR_ATTR_2(pwm4_auto_point4_temp_hyst, S_IRUGO,
+ show_pwm_auto_point_temp_hyst, NULL, 3, 3),
};
return reg ? (1500000 / reg) : 0;
}
+static inline u16 fan_to_reg(u16 fan)
+{
+ return fan ? (1500000 / fan) : 0;
+}
+
static u8 f71882fg_read8(struct f71882fg_data *data, u8 reg)
{
u8 val;
outb(val, data->addr + DATA_REG_OFFSET);
}
+static void f71882fg_write16(struct f71882fg_data *data, u8 reg, u16 val)
+{
+ outb(reg++, data->addr + ADDR_REG_OFFSET);
+ outb(val >> 8, data->addr + DATA_REG_OFFSET);
+ outb(reg, data->addr + ADDR_REG_OFFSET);
+ outb(val & 255, data->addr + DATA_REG_OFFSET);
+}
+
static struct f71882fg_data *f71882fg_update_device(struct device *dev)
{
struct f71882fg_data *data = dev_get_drvdata(dev);
data->fan_beep = f71882fg_read8(data, F71882FG_REG_FAN_BEEP);
+ data->pwm_enable = f71882fg_read8(data,
+ F71882FG_REG_PWM_ENABLE);
+ data->pwm_auto_point_hyst[0] = f71882fg_read8(data,
+ F71882FG_REG_FAN_HYST0);
+ data->pwm_auto_point_hyst[1] = f71882fg_read8(data,
+ F71882FG_REG_FAN_HYST1);
+ for (nr = 0; nr < 4; nr++) {
+ int point;
+
+ data->pwm_auto_point_mapping[nr] =
+ f71882fg_read8(data,
+ F71882FG_REG_POINT_MAPPING(nr));
+
+ for (point = 0; point < 5; point++) {
+ data->pwm_auto_point_pwm[nr][point] =
+ f71882fg_read8(data,
+ F71882FG_REG_POINT_PWM
+ (nr, point));
+ }
+ for (point = 0; point < 4; point++) {
+ data->pwm_auto_point_temp[nr][point] =
+ f71882fg_read8(data,
+ F71882FG_REG_POINT_TEMP
+ (nr, point));
+ }
+ }
data->last_limits = jiffies;
}
data->fan_status = f71882fg_read8(data,
F71882FG_REG_FAN_STATUS);
- for (nr = 0; nr < 4; nr++)
+ for (nr = 0; nr < 4; nr++) {
data->fan[nr] = f71882fg_read16(data,
F71882FG_REG_FAN(nr));
+ data->fan_target[nr] =
+ f71882fg_read16(data, F71882FG_REG_FAN_TARGET(nr));
+ data->fan_full_speed[nr] =
+ f71882fg_read16(data,
+ F71882FG_REG_FAN_FULL_SPEED(nr));
+ data->pwm[nr] =
+ f71882fg_read8(data, F71882FG_REG_PWM(nr));
+ }
data->in_status = f71882fg_read8(data,
F71882FG_REG_IN_STATUS);
return sprintf(buf, "%d\n", speed);
}
+static ssize_t show_fan_full_speed(struct device *dev,
+ struct device_attribute *devattr, char *buf)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr_2(devattr)->index;
+ int speed = fan_from_reg(data->fan_full_speed[nr]);
+ return sprintf(buf, "%d\n", speed);
+}
+
+static ssize_t store_fan_full_speed(struct device *dev,
+ struct device_attribute *devattr,
+ const char *buf, size_t count)
+{
+ struct f71882fg_data *data = dev_get_drvdata(dev);
+ int nr = to_sensor_dev_attr_2(devattr)->index;
+ long val = simple_strtol(buf, NULL, 10);
+
+ val = SENSORS_LIMIT(val, 23, 1500000);
+ val = fan_to_reg(val);
+
+ mutex_lock(&data->update_lock);
+ if (data->pwm_enable & (1 << (2 * nr)))
+ /* PWM mode */
+ count = -EINVAL;
+ else {
+ /* RPM mode */
+ f71882fg_write16(data, F71882FG_REG_FAN_FULL_SPEED(nr), val);
+ data->fan_full_speed[nr] = val;
+ }
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
static ssize_t show_fan_beep(struct device *dev, struct device_attribute
*devattr, char *buf)
{
return sprintf(buf, "0\n");
}
+static ssize_t show_pwm(struct device *dev,
+ struct device_attribute *devattr, char *buf)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int val, nr = to_sensor_dev_attr_2(devattr)->index;
+ if (data->pwm_enable & (1 << (2 * nr)))
+ /* PWM mode */
+ val = data->pwm[nr];
+ else {
+ /* RPM mode */
+ mutex_lock(&data->update_lock);
+ val = 255 * fan_from_reg(data->fan_target[nr])
+ / fan_from_reg(data->fan_full_speed[nr]);
+ mutex_unlock(&data->update_lock);
+ }
+ return sprintf(buf, "%d\n", val);
+}
+
+static ssize_t store_pwm(struct device *dev,
+ struct device_attribute *devattr, const char *buf,
+ size_t count)
+{
+ /* struct f71882fg_data *data = dev_get_drvdata(dev); */
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr_2(devattr)->index;
+ long val = simple_strtol(buf, NULL, 10);
+ val = SENSORS_LIMIT(val, 0, 255);
+
+ mutex_lock(&data->update_lock);
+ if (data->pwm_enable & (1 << (2 * nr))) {
+ /* PWM mode */
+ f71882fg_write8(data, F71882FG_REG_PWM(nr), val);
+ data->pwm[nr] = val;
+ } else {
+ /* RPM mode */
+ int target = val * fan_from_reg(data->fan_full_speed[nr]) / 255;
+ f71882fg_write16(data, F71882FG_REG_FAN_TARGET(nr),
+ fan_to_reg(target));
+ data->fan_target[nr] = fan_to_reg(target);
+ }
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static ssize_t show_pwm_enable(struct device *dev,
+ struct device_attribute *devattr, char *buf)
+{
+ int result;
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr_2(devattr)->index;
+
+ if (data->pwm_enable & (2 << (2 * nr)))
+ result = 1;
+ else
+ result = 2;
+
+ return sprintf(buf, "%d\n", result);
+}
+
+static ssize_t store_pwm_enable(struct device *dev, struct device_attribute
+ *devattr, const char *buf, size_t count)
+{
+ struct f71882fg_data *data = dev_get_drvdata(dev);
+ int nr = to_sensor_dev_attr_2(devattr)->index;
+ long val = simple_strtol(buf, NULL, 10);
+ if (val < 1 || val > 2)
+ return -EINVAL;
+
+ mutex_lock(&data->update_lock);
+ switch (val) {
+ case 1:
+ data->pwm_enable |= 2 << (2 * nr);
+ break; /* Manual */
+ case 2:
+ data->pwm_enable &= ~(2 << (2 * nr));
+ break; /* Temperature ctrl */
+ }
+ switch (fan_mode[nr]) {
+ case 1:
+ data->pwm_enable |= 1 << (2 * nr);
+ break; /* Duty cycle mode */
+ case 2:
+ data->pwm_enable &= ~(1 << (2 * nr));
+ break; /* RPM mode */
+ }
+ f71882fg_write8(data, F71882FG_REG_PWM_ENABLE, data->pwm_enable);
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static ssize_t show_pwm_auto_point_pwm(struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ int result;
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int pwm = to_sensor_dev_attr_2(devattr)->index;
+ int point = to_sensor_dev_attr_2(devattr)->nr;
+
+ if (data->pwm_enable & (1 << (2 * pwm))) {
+ /* PWM mode */
+ result = data->pwm_auto_point_pwm[pwm][point];
+ } else {
+ /* RPM mode */
+ result = 32 * 255 / (32 + data->pwm_auto_point_pwm[pwm][point]);
+ }
+
+ return sprintf(buf, "%d\n", result);
+}
+
+static ssize_t store_pwm_auto_point_pwm(struct device *dev,
+ struct device_attribute *devattr,
+ const char *buf, size_t count)
+{
+ /* struct f71882fg_data *data = dev_get_drvdata(dev); */
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int pwm = to_sensor_dev_attr_2(devattr)->index;
+ int point = to_sensor_dev_attr_2(devattr)->nr;
+ int val = simple_strtoul(buf, NULL, 10);
+ val = SENSORS_LIMIT(val, 0, 255);
+
+ mutex_lock(&data->update_lock);
+ if (data->pwm_enable & (1 << (2 * pwm))) {
+ /* PWM mode */
+ } else {
+ /* RPM mode */
+ if (val < 29) /* Prevent negative numbers */
+ val = 255;
+ else
+ val = (255 - val) * 32 / val;
+ }
+ f71882fg_write8(data, F71882FG_REG_POINT_PWM(pwm, point), val);
+ data->pwm_auto_point_pwm[pwm][point] = val;
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ int result = 0;
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr_2(devattr)->index;
+ int point = to_sensor_dev_attr_2(devattr)->nr;
+
+ mutex_lock(&data->update_lock);
+ switch (nr) {
+ case 0:
+ result = data->pwm_auto_point_hyst[0] & 0x0f;
+ break;
+ case 1:
+ result = data->pwm_auto_point_hyst[0] >> 4;
+ break;
+ case 2:
+ result = data->pwm_auto_point_hyst[1] & 0x0f;
+ break;
+ case 3:
+ result = data->pwm_auto_point_hyst[1] >> 4;
+ break;
+ }
+ result = 1000 * (data->pwm_auto_point_temp[nr][point] - result);
+ mutex_unlock(&data->update_lock);
+
+ return sprintf(buf, "%d\n", result);
+}
+
+static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
+ struct device_attribute *devattr,
+ const char *buf, size_t count)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr_2(devattr)->index;
+ int point = to_sensor_dev_attr_2(devattr)->nr;
+ long val = simple_strtol(buf, NULL, 10) / 1000;
+
+ mutex_lock(&data->update_lock);
+ val = SENSORS_LIMIT(val, data->pwm_auto_point_temp[nr][point] - 15,
+ data->pwm_auto_point_temp[nr][point]);
+ val = data->pwm_auto_point_temp[nr][point] - val;
+
+ switch (nr) {
+ case 0:
+ val = (data->pwm_auto_point_hyst[0] & 0xf0) | val;
+ break;
+ case 1:
+ val = (data->pwm_auto_point_hyst[0] & 0x0f) | (val << 4);
+ break;
+ case 2:
+ val = (data->pwm_auto_point_hyst[1] & 0xf0) | val;
+ break;
+ case 3:
+ val = (data->pwm_auto_point_hyst[1] & 0x0f) | (val << 4);
+ break;
+ }
+ if (nr == 0 || nr == 1) {
+ f71882fg_write8(data, F71882FG_REG_FAN_HYST0, val);
+ data->pwm_auto_point_hyst[0] = val;
+ } else {
+ f71882fg_write8(data, F71882FG_REG_FAN_HYST1, val);
+ data->pwm_auto_point_hyst[1] = val;
+ }
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static ssize_t show_pwm_interpolate(struct device *dev,
+ struct device_attribute *devattr, char *buf)
+{
+ int result;
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr_2(devattr)->index;
+
+ result = (data->pwm_auto_point_mapping[nr] >> 4) & 1;
+
+ return sprintf(buf, "%d\n", result);
+}
+
+static ssize_t store_pwm_interpolate(struct device *dev,
+ struct device_attribute *devattr,
+ const char *buf, size_t count)
+{
+ /* struct f71882fg_data *data = dev_get_drvdata(dev); */
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr_2(devattr)->index;
+ int val = simple_strtoul(buf, NULL, 10);
+ mutex_lock(&data->update_lock);
+ if (val)
+ val = data->pwm_auto_point_mapping[nr] | (1 << 4);
+ else
+ val = data->pwm_auto_point_mapping[nr] & (~(1 << 4));
+ f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
+ data->pwm_auto_point_mapping[nr] = val;
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static ssize_t show_pwm_auto_point_channel(struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ int result;
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr_2(devattr)->index;
+
+ result = 1 << ((data->pwm_auto_point_mapping[nr] & 3) - 1);
+
+ return sprintf(buf, "%d\n", result);
+}
+
+static ssize_t store_pwm_auto_point_channel(struct device *dev,
+ struct device_attribute *devattr,
+ const char *buf, size_t count)
+{
+ /* struct f71882fg_data *data = dev_get_drvdata(dev); */
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr_2(devattr)->index;
+ long val = simple_strtol(buf, NULL, 10);
+ switch (val) {
+ case 1:
+ val = 1;
+ break;
+ case 2:
+ val = 2;
+ break;
+ case 4:
+ val = 3;
+ break;
+ default:
+ return -EINVAL;
+ }
+ mutex_lock(&data->update_lock);
+ val = (data->pwm_auto_point_mapping[nr] & 0xfc) | val;
+ f71882fg_write8(data, F71882FG_REG_POINT_MAPPING(nr), val);
+ data->pwm_auto_point_mapping[nr] = val;
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static ssize_t show_pwm_auto_point_temp(struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ int result;
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int pwm = to_sensor_dev_attr_2(devattr)->index;
+ int point = to_sensor_dev_attr_2(devattr)->nr;
+
+ result = data->pwm_auto_point_temp[pwm][point];
+ return sprintf(buf, "%d\n", 1000 * result);
+}
+
+static ssize_t store_pwm_auto_point_temp(struct device *dev,
+ struct device_attribute *devattr,
+ const char *buf, size_t count)
+{
+ /* struct f71882fg_data *data = dev_get_drvdata(dev); */
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int pwm = to_sensor_dev_attr_2(devattr)->index;
+ int point = to_sensor_dev_attr_2(devattr)->nr;
+ long val = simple_strtol(buf, NULL, 10) / 1000;
+ val = SENSORS_LIMIT(val, 0, 255);
+
+ mutex_lock(&data->update_lock);
+ f71882fg_write8(data, F71882FG_REG_POINT_TEMP(pwm, point), val);
+ data->pwm_auto_point_temp[pwm][point] = val;
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
static ssize_t show_name(struct device *dev, struct device_attribute *devattr,
char *buf)
{
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff