diff options
| -rw-r--r-- | drivers/hwmon/lm63.c | 118 |
1 files changed, 76 insertions, 42 deletions
diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c index 910599ac31ca..602a0f0b0de8 100644 --- a/drivers/hwmon/lm63.c +++ b/drivers/hwmon/lm63.c @@ -205,6 +205,15 @@ static inline int lut_temp_from_reg(struct lm63_data *data, int nr) return data->temp8[nr] * (data->lut_temp_highres ? 500 : 1000); } +static inline int lut_temp_to_reg(struct lm63_data *data, long val) +{ + val -= data->temp2_offset; + if (data->lut_temp_highres) + return DIV_ROUND_CLOSEST(SENSORS_LIMIT(val, 0, 127500), 500); + else + return DIV_ROUND_CLOSEST(SENSORS_LIMIT(val, 0, 127000), 1000); +} + /* * Update the lookup table register cache. * client->update_lock must be held when calling this function. @@ -387,13 +396,16 @@ static ssize_t show_pwm1(struct device *dev, struct device_attribute *devattr, return sprintf(buf, "%d\n", pwm); } -static ssize_t set_pwm1(struct device *dev, struct device_attribute *dummy, +static ssize_t set_pwm1(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct lm63_data *data = i2c_get_clientdata(client); + int nr = attr->index; unsigned long val; int err; + u8 reg; if (!(data->config_fan & 0x20)) /* register is read-only */ return -EPERM; @@ -402,11 +414,13 @@ static ssize_t set_pwm1(struct device *dev, struct device_attribute *dummy, if (err) return err; + reg = nr ? LM63_REG_LUT_PWM(nr - 1) : LM63_REG_PWM_VALUE; val = SENSORS_LIMIT(val, 0, 255); + mutex_lock(&data->update_lock); - data->pwm1[0] = data->pwm_highres ? val : + data->pwm1[nr] = data->pwm_highres ? val : (val * data->pwm1_freq * 2 + 127) / 255; - i2c_smbus_write_byte_data(client, LM63_REG_PWM_VALUE, data->pwm1[0]); + i2c_smbus_write_byte_data(client, reg, data->pwm1[nr]); mutex_unlock(&data->update_lock); return count; } @@ -495,23 +509,31 @@ static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr, struct i2c_client *client = to_i2c_client(dev); struct lm63_data *data = i2c_get_clientdata(client); int nr = attr->index; - int reg = nr == 2 ? LM63_REG_REMOTE_TCRIT : LM63_REG_LOCAL_HIGH; long val; int err; int temp; + u8 reg; err = kstrtol(buf, 10, &val); if (err) return err; mutex_lock(&data->update_lock); - if (nr == 2) { + switch (nr) { + case 2: + reg = LM63_REG_REMOTE_TCRIT; if (data->remote_unsigned) temp = TEMP8U_TO_REG(val - data->temp2_offset); else temp = TEMP8_TO_REG(val - data->temp2_offset); - } else { + break; + case 1: + reg = LM63_REG_LOCAL_HIGH; temp = TEMP8_TO_REG(val); + break; + default: /* lookup table */ + reg = LM63_REG_LUT_TEMP(nr - 3); + temp = lut_temp_to_reg(data, val); } data->temp8[nr] = temp; i2c_smbus_write_byte_data(client, reg, temp); @@ -743,64 +765,76 @@ static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan, static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm1, set_pwm1, 0); static DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm1_enable, set_pwm1_enable); -static SENSOR_DEVICE_ATTR(pwm1_auto_point1_pwm, S_IRUGO, show_pwm1, NULL, 1); -static SENSOR_DEVICE_ATTR(pwm1_auto_point1_temp, S_IRUGO, - show_lut_temp, NULL, 3); +static SENSOR_DEVICE_ATTR(pwm1_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_pwm1, set_pwm1, 1); +static SENSOR_DEVICE_ATTR(pwm1_auto_point1_temp, S_IWUSR | S_IRUGO, + show_lut_temp, set_temp8, 3); static SENSOR_DEVICE_ATTR(pwm1_auto_point1_temp_hyst, S_IRUGO, show_lut_temp_hyst, NULL, 3); -static SENSOR_DEVICE_ATTR(pwm1_auto_point2_pwm, S_IRUGO, show_pwm1, NULL, 2); -static SENSOR_DEVICE_ATTR(pwm1_auto_point2_temp, S_IRUGO, - show_lut_temp, NULL, 4); +static SENSOR_DEVICE_ATTR(pwm1_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_pwm1, set_pwm1, 2); +static SENSOR_DEVICE_ATTR(pwm1_auto_point2_temp, S_IWUSR | S_IRUGO, + show_lut_temp, set_temp8, 4); static SENSOR_DEVICE_ATTR(pwm1_auto_point2_temp_hyst, S_IRUGO, show_lut_temp_hyst, NULL, 4); -static SENSOR_DEVICE_ATTR(pwm1_auto_point3_pwm, S_IRUGO, show_pwm1, NULL, 3); -static SENSOR_DEVICE_ATTR(pwm1_auto_point3_temp, S_IRUGO, - show_lut_temp, NULL, 5); +static SENSOR_DEVICE_ATTR(pwm1_auto_point3_pwm, S_IWUSR | S_IRUGO, + show_pwm1, set_pwm1, 3); +static SENSOR_DEVICE_ATTR(pwm1_auto_point3_temp, S_IWUSR | S_IRUGO, + show_lut_temp, set_temp8, 5); static SENSOR_DEVICE_ATTR(pwm1_auto_point3_temp_hyst, S_IRUGO, show_lut_temp_hyst, NULL, 5); -static SENSOR_DEVICE_ATTR(pwm1_auto_point4_pwm, S_IRUGO, show_pwm1, NULL, 4); -static SENSOR_DEVICE_ATTR(pwm1_auto_point4_temp, S_IRUGO, - show_lut_temp, NULL, 6); +static SENSOR_DEVICE_ATTR(pwm1_auto_point4_pwm, S_IWUSR | S_IRUGO, + show_pwm1, set_pwm1, 4); +static SENSOR_DEVICE_ATTR(pwm1_auto_point4_temp, S_IWUSR | S_IRUGO, + show_lut_temp, set_temp8, 6); static SENSOR_DEVICE_ATTR(pwm1_auto_point4_temp_hyst, S_IRUGO, show_lut_temp_hyst, NULL, 6); -static SENSOR_DEVICE_ATTR(pwm1_auto_point5_pwm, S_IRUGO, show_pwm1, NULL, 5); -static SENSOR_DEVICE_ATTR(pwm1_auto_point5_temp, S_IRUGO, - show_lut_temp, NULL, 7); +static SENSOR_DEVICE_ATTR(pwm1_auto_point5_pwm, S_IWUSR | S_IRUGO, + show_pwm1, set_pwm1, 5); +static SENSOR_DEVICE_ATTR(pwm1_auto_point5_temp, S_IWUSR | S_IRUGO, + show_lut_temp, set_temp8, 7); static SENSOR_DEVICE_ATTR(pwm1_auto_point5_temp_hyst, S_IRUGO, show_lut_temp_hyst, NULL, 7); -static SENSOR_DEVICE_ATTR(pwm1_auto_point6_pwm, S_IRUGO, show_pwm1, NULL, 6); -static SENSOR_DEVICE_ATTR(pwm1_auto_point6_temp, S_IRUGO, - show_lut_temp, NULL, 8); +static SENSOR_DEVICE_ATTR(pwm1_auto_point6_pwm, S_IWUSR | S_IRUGO, + show_pwm1, set_pwm1, 6); +static SENSOR_DEVICE_ATTR(pwm1_auto_point6_temp, S_IWUSR | S_IRUGO, + show_lut_temp, set_temp8, 8); static SENSOR_DEVICE_ATTR(pwm1_auto_point6_temp_hyst, S_IRUGO, show_lut_temp_hyst, NULL, 8); -static SENSOR_DEVICE_ATTR(pwm1_auto_point7_pwm, S_IRUGO, show_pwm1, NULL, 7); -static SENSOR_DEVICE_ATTR(pwm1_auto_point7_temp, S_IRUGO, - show_lut_temp, NULL, 9); +static SENSOR_DEVICE_ATTR(pwm1_auto_point7_pwm, S_IWUSR | S_IRUGO, + show_pwm1, set_pwm1, 7); +static SENSOR_DEVICE_ATTR(pwm1_auto_point7_temp, S_IWUSR | S_IRUGO, + show_lut_temp, set_temp8, 9); static SENSOR_DEVICE_ATTR(pwm1_auto_point7_temp_hyst, S_IRUGO, show_lut_temp_hyst, NULL, 9); -static SENSOR_DEVICE_ATTR(pwm1_auto_point8_pwm, S_IRUGO, show_pwm1, NULL, 8); -static SENSOR_DEVICE_ATTR(pwm1_auto_point8_temp, S_IRUGO, - show_lut_temp, NULL, 10); +static SENSOR_DEVICE_ATTR(pwm1_auto_point8_pwm, S_IWUSR | S_IRUGO, + show_pwm1, set_pwm1, 8); +static SENSOR_DEVICE_ATTR(pwm1_auto_point8_temp, S_IWUSR | S_IRUGO, + show_lut_temp, set_temp8, 10); static SENSOR_DEVICE_ATTR(pwm1_auto_point8_temp_hyst, S_IRUGO, show_lut_temp_hyst, NULL, 10); -static SENSOR_DEVICE_ATTR(pwm1_auto_point9_pwm, S_IRUGO, show_pwm1, NULL, 9); -static SENSOR_DEVICE_ATTR(pwm1_auto_point9_temp, S_IRUGO, - show_lut_temp, NULL, 11); +static SENSOR_DEVICE_ATTR(pwm1_auto_point9_pwm, S_IWUSR | S_IRUGO, + show_pwm1, set_pwm1, 9); +static SENSOR_DEVICE_ATTR(pwm1_auto_point9_temp, S_IWUSR | S_IRUGO, + show_lut_temp, set_temp8, 11); static SENSOR_DEVICE_ATTR(pwm1_auto_point9_temp_hyst, S_IRUGO, show_lut_temp_hyst, NULL, 11); -static SENSOR_DEVICE_ATTR(pwm1_auto_point10_pwm, S_IRUGO, show_pwm1, NULL, 10); -static SENSOR_DEVICE_ATTR(pwm1_auto_point10_temp, S_IRUGO, - show_lut_temp, NULL, 12); +static SENSOR_DEVICE_ATTR(pwm1_auto_point10_pwm, S_IWUSR | S_IRUGO, + show_pwm1, set_pwm1, 10); +static SENSOR_DEVICE_ATTR(pwm1_auto_point10_temp, S_IWUSR | S_IRUGO, + show_lut_temp, set_temp8, 12); static SENSOR_DEVICE_ATTR(pwm1_auto_point10_temp_hyst, S_IRUGO, show_lut_temp_hyst, NULL, 12); -static SENSOR_DEVICE_ATTR(pwm1_auto_point11_pwm, S_IRUGO, show_pwm1, NULL, 11); -static SENSOR_DEVICE_ATTR(pwm1_auto_point11_temp, S_IRUGO, - show_lut_temp, NULL, 13); +static SENSOR_DEVICE_ATTR(pwm1_auto_point11_pwm, S_IWUSR | S_IRUGO, + show_pwm1, set_pwm1, 11); +static SENSOR_DEVICE_ATTR(pwm1_auto_point11_temp, S_IWUSR | S_IRUGO, + show_lut_temp, set_temp8, 13); static SENSOR_DEVICE_ATTR(pwm1_auto_point11_temp_hyst, S_IRUGO, show_lut_temp_hyst, NULL, 13); -static SENSOR_DEVICE_ATTR(pwm1_auto_point12_pwm, S_IRUGO, show_pwm1, NULL, 12); -static SENSOR_DEVICE_ATTR(pwm1_auto_point12_temp, S_IRUGO, - show_lut_temp, NULL, 14); +static SENSOR_DEVICE_ATTR(pwm1_auto_point12_pwm, S_IWUSR | S_IRUGO, + show_pwm1, set_pwm1, 12); +static SENSOR_DEVICE_ATTR(pwm1_auto_point12_temp, S_IWUSR | S_IRUGO, + show_lut_temp, set_temp8, 14); static SENSOR_DEVICE_ATTR(pwm1_auto_point12_temp_hyst, S_IRUGO, show_lut_temp_hyst, NULL, 14); |