diff options
| -rw-r--r-- | Documentation/hwmon/nct6775 | 69 | ||||
| -rw-r--r-- | drivers/hwmon/nct6775.c | 1099 |
2 files changed, 1161 insertions, 7 deletions
diff --git a/Documentation/hwmon/nct6775 b/Documentation/hwmon/nct6775 index 7c9f1d3..b4fe6bc 100644 --- a/Documentation/hwmon/nct6775 +++ b/Documentation/hwmon/nct6775 @@ -87,6 +87,75 @@ pwm[1-5]_mode - controls if output is PWM or DC level * 0 DC output * 1 PWM output +Common fan control attributes +----------------------------- + +pwm[1-5]_temp_sel Temperature source. Value is temperature sensor index. + For example, select '1' for temp1_input. + +Thermal Cruise mode (2) +----------------------- + +If the temperature is in the range defined by: + +pwm[1-5]_target_temp Target temperature, unit millidegree Celsius + (range 0 - 127000) +pwm[1-5]_temp_tolerance + Target temperature tolerance, unit millidegree Celsius + +there are no changes to fan speed. Once the temperature leaves the interval, fan +speed increases (if temperature is higher that desired) or decreases (if +temperature is lower than desired), using the following limits and time +intervals. + +pwm[1-5]_start fan pwm start value (range 1 - 255), to start fan + when the temperature is above defined range. +pwm[1-5]_floor lowest fan pwm (range 0 - 255) if temperature is below + the defined range. If set to 0, the fan is expected to + stop if the temperature is below the defined range. +pwm[1-5]_step_up_time milliseconds before fan speed is increased +pwm[1-5]_step_down_time milliseconds before fan speed is decreased +pwm[1-5]_stop_time how many milliseconds must elapse to switch + corresponding fan off (when the temperature was below + defined range). + +Speed Cruise mode (3) +--------------------- + +This modes tries to keep the fan speed constant. + +fan[1-5]_target Target fan speed +fan[1-5]_tolerance + Target speed tolerance + + +Untested; use at your own risk. + +Smart Fan IV mode (5) +--------------------- + +This mode offers multiple slopes to control the fan speed. The slopes can be +controlled by setting the pwm and temperature attributes. When the temperature +rises, the chip will calculate the DC/PWM output based on the current slope. +There are up to seven data points depending on the chip type. Subsequent data +points should be set to higher temperatures and higher pwm values to achieve +higher fan speeds with increasing temperature. The last data point reflects +critical temperature mode, in which the fans should run at full speed. + +pwm[1-5]_auto_point[1-7]_pwm + pwm value to be set if temperature reaches matching + temperature range. +pwm[1-5]_auto_point[1-7]_temp + Temperature over which the matching pwm is enabled. +pwm[1-5]_temp_tolerance + Temperature tolerance, unit millidegree Celsius +pwm[1-5]_crit_temp_tolerance + Temperature tolerance for critical temperature, + unit millidegree Celsius + +pwm[1-5]_step_up_time milliseconds before fan speed is increased +pwm[1-5]_step_down_time milliseconds before fan speed is decreased + Usage Notes ----------- diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c index ad4ecc0..47b1d89 100644 --- a/drivers/hwmon/nct6775.c +++ b/drivers/hwmon/nct6775.c @@ -215,8 +215,23 @@ static const u8 NCT6775_CR_CASEOPEN_CLR_MASK[] = { 0x20, 0x01 }; static const u8 NCT6775_REG_PWM_MODE[] = { 0x04, 0x04, 0x12 }; static const u8 NCT6775_PWM_MODE_MASK[] = { 0x01, 0x02, 0x01 }; -static const u16 NCT6775_REG_FAN_MODE[] = { 0x102, 0x202, 0x302, 0x802, 0x902 }; +/* Advanced Fan control, some values are common for all fans */ +static const u16 NCT6775_REG_TARGET[] = { 0x101, 0x201, 0x301, 0x801, 0x901 }; +static const u16 NCT6775_REG_FAN_MODE[] = { 0x102, 0x202, 0x302, 0x802, 0x902 }; +static const u16 NCT6775_REG_FAN_STEP_DOWN_TIME[] = { + 0x103, 0x203, 0x303, 0x803, 0x903 }; +static const u16 NCT6775_REG_FAN_STEP_UP_TIME[] = { + 0x104, 0x204, 0x304, 0x804, 0x904 }; +static const u16 NCT6775_REG_FAN_STOP_OUTPUT[] = { + 0x105, 0x205, 0x305, 0x805, 0x905 }; +static const u16 NCT6775_REG_FAN_START_OUTPUT[] + = { 0x106, 0x206, 0x306, 0x806, 0x906 }; +static const u16 NCT6775_REG_FAN_MAX_OUTPUT[] = { 0x10a, 0x20a, 0x30a }; +static const u16 NCT6775_REG_FAN_STEP_OUTPUT[] = { 0x10b, 0x20b, 0x30b }; + +static const u16 NCT6775_REG_FAN_STOP_TIME[] = { + 0x107, 0x207, 0x307, 0x807, 0x907 }; static const u16 NCT6775_REG_PWM[] = { 0x109, 0x209, 0x309, 0x809, 0x909 }; static const u16 NCT6775_REG_PWM_READ[] = { 0x01, 0x03, 0x11, 0x13, 0x15 }; @@ -237,8 +252,26 @@ static const u16 NCT6775_REG_TEMP_OVER[ARRAY_SIZE(NCT6775_REG_TEMP)] = { static const u16 NCT6775_REG_TEMP_SOURCE[ARRAY_SIZE(NCT6775_REG_TEMP)] = { 0x621, 0x622, 0x623, 0x624, 0x625, 0x626 }; +static const u16 NCT6775_REG_TEMP_SEL[] = { + 0x100, 0x200, 0x300, 0x800, 0x900 }; + static const u16 NCT6775_REG_TEMP_OFFSET[] = { 0x454, 0x455, 0x456 }; +static const u16 NCT6775_REG_AUTO_TEMP[] = { + 0x121, 0x221, 0x321, 0x821, 0x921 }; +static const u16 NCT6775_REG_AUTO_PWM[] = { + 0x127, 0x227, 0x327, 0x827, 0x927 }; + +#define NCT6775_AUTO_TEMP(data, nr, p) ((data)->REG_AUTO_TEMP[nr] + (p)) +#define NCT6775_AUTO_PWM(data, nr, p) ((data)->REG_AUTO_PWM[nr] + (p)) + +static const u16 NCT6775_REG_CRITICAL_ENAB[] = { 0x134, 0x234, 0x334 }; + +static const u16 NCT6775_REG_CRITICAL_TEMP[] = { + 0x135, 0x235, 0x335, 0x835, 0x935 }; +static const u16 NCT6775_REG_CRITICAL_TEMP_TOLERANCE[] = { + 0x138, 0x238, 0x338, 0x838, 0x938 }; + static const char *const nct6775_temp_label[] = { "", "SYSTIN", @@ -281,6 +314,9 @@ static const s8 NCT6776_ALARM_BITS[] = { 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ 12, 9 }; /* intrusion0, intrusion1 */ +static const u16 NCT6776_REG_TOLERANCE_H[] = { + 0x10c, 0x20c, 0x30c, 0x80c, 0x90c }; + static const u8 NCT6776_REG_PWM_MODE[] = { 0x04, 0, 0 }; static const u8 NCT6776_PWM_MODE_MASK[] = { 0x01, 0, 0 }; @@ -344,6 +380,11 @@ static const u16 NCT6779_REG_FAN[] = { 0x4b0, 0x4b2, 0x4b4, 0x4b6, 0x4b8 }; static const u16 NCT6779_REG_FAN_PULSES[] = { 0x644, 0x645, 0x646, 0x647, 0x648 }; +static const u16 NCT6779_REG_CRITICAL_PWM_ENABLE[] = { + 0x136, 0x236, 0x336, 0x836, 0x936 }; +static const u16 NCT6779_REG_CRITICAL_PWM[] = { + 0x137, 0x237, 0x337, 0x837, 0x937 }; + static const u16 NCT6779_REG_TEMP[] = { 0x27, 0x150 }; static const u16 NCT6779_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6779_REG_TEMP)] = { 0x18, 0x152 }; @@ -412,6 +453,18 @@ static int pwm_enable_to_reg(enum pwm_enable mode) * Conversions */ +/* 1 is DC mode, output in ms */ +static unsigned int step_time_from_reg(u8 reg, u8 mode) +{ + return mode ? 400 * reg : 100 * reg; +} + +static u8 step_time_to_reg(unsigned int msec, u8 mode) +{ + return clamp_val((mode ? (msec + 200) / 400 : + (msec + 50) / 100), 1, 255); +} + static unsigned int fan_from_reg8(u16 reg, unsigned int divreg) { if (reg == 0 || reg == 255) @@ -444,6 +497,14 @@ static unsigned int fan_from_reg16(u16 reg, unsigned int divreg) return 1350000U / (reg << divreg); } +static u16 fan_to_reg(u32 fan, unsigned int divreg) +{ + if (!fan) + return 0; + + return (1350000U / fan) >> divreg; +} + static inline unsigned int div_from_reg(u8 reg) { @@ -498,18 +559,31 @@ struct nct6775_data { const u16 *REG_VIN; const u16 *REG_IN_MINMAX[2]; + const u16 *REG_TARGET; const u16 *REG_FAN; const u16 *REG_FAN_MODE; const u16 *REG_FAN_MIN; const u16 *REG_FAN_PULSES; + const u16 *REG_FAN_TIME[3]; + + const u16 *REG_TOLERANCE_H; const u8 *REG_PWM_MODE; const u8 *PWM_MODE_MASK; - const u16 *REG_PWM[1]; /* [0]=pwm */ + const u16 *REG_PWM[5]; /* [0]=pwm, [1]=pwm_start, [2]=pwm_floor, + * [3]=pwm_max, [4]=pwm_step + */ const u16 *REG_PWM_READ; + const u16 *REG_AUTO_TEMP; + const u16 *REG_AUTO_PWM; + + const u16 *REG_CRITICAL_TEMP; + const u16 *REG_CRITICAL_TEMP_TOLERANCE; + const u16 *REG_TEMP_SOURCE; /* temp register sources */ + const u16 *REG_TEMP_SEL; const u16 *REG_TEMP_OFFSET; const u16 *REG_ALARM; @@ -551,7 +625,26 @@ struct nct6775_data { * 4->SmartFan III * 5->enhanced variable thermal cruise (SmartFan IV) */ - u8 pwm[1][5]; /* [0]=pwm */ + u8 pwm[5][5]; /* [0]=pwm, [1]=pwm_start, [2]=pwm_floor, + * [3]=pwm_max, [4]=pwm_step + */ + + u8 target_temp[5]; + u8 target_temp_mask; + u32 target_speed[5]; + u32 target_speed_tolerance[5]; + u8 speed_tolerance_limit; + + u8 temp_tolerance[2][5]; + u8 tolerance_mask; + + u8 fan_time[3][5]; /* 0 = stop_time, 1 = step_up, 2 = step_down */ + + /* Automatic fan speed control registers */ + int auto_pwm_num; + u8 auto_pwm[5][7]; + u8 auto_temp[5][7]; + u8 pwm_temp_sel[5]; u8 vid; u8 vrm; @@ -833,7 +926,7 @@ static void nct6775_update_pwm(struct device *dev) { struct nct6775_data *data = dev_get_drvdata(dev); int i, j; - int fanmodecfg; + int fanmodecfg, reg; bool duty_is_dc; for (i = 0; i < data->pwm_num; i++) { @@ -856,6 +949,96 @@ static void nct6775_update_pwm(struct device *dev) data->pwm_enable[i] = reg_to_pwm_enable(data->pwm[0][i], (fanmodecfg >> 4) & 7); + + if (!data->temp_tolerance[0][i] || + data->pwm_enable[i] != speed_cruise) + data->temp_tolerance[0][i] = fanmodecfg & 0x0f; + if (!data->target_speed_tolerance[i] || + data->pwm_enable[i] == speed_cruise) { + u8 t = fanmodecfg & 0x0f; + if (data->REG_TOLERANCE_H) { + t |= (nct6775_read_value(data, + data->REG_TOLERANCE_H[i]) & 0x70) >> 1; + } + data->target_speed_tolerance[i] = t; + } + + data->temp_tolerance[1][i] = + nct6775_read_value(data, + data->REG_CRITICAL_TEMP_TOLERANCE[i]); + + reg = nct6775_read_value(data, data->REG_TEMP_SEL[i]); + data->pwm_temp_sel[i] = reg & 0x1f; + /* If fan can stop, report floor as 0 */ + if (reg & 0x80) + data->pwm[2][i] = 0; + } +} + +static void nct6775_update_pwm_limits(struct device *dev) +{ + struct nct6775_data *data = dev_get_drvdata(dev); + int i, j; + u8 reg; + u16 reg_t; + + for (i = 0; i < data->pwm_num; i++) { + if (!(data->has_pwm & (1 << i))) + continue; + + for (j = 0; j < 3; j++) { + data->fan_time[j][i] = + nct6775_read_value(data, data->REG_FAN_TIME[j][i]); + } + + reg_t = nct6775_read_value(data, data->REG_TARGET[i]); + /* Update only in matching mode or if never updated */ + if (!data->target_temp[i] || + data->pwm_enable[i] == thermal_cruise) + data->target_temp[i] = reg_t & data->target_temp_mask; + if (!data->target_speed[i] || + data->pwm_enable[i] == speed_cruise) { + if (data->REG_TOLERANCE_H) { + reg_t |= (nct6775_read_value(data, + data->REG_TOLERANCE_H[i]) & 0x0f) << 8; + } + data->target_speed[i] = reg_t; + } + + for (j = 0; j < data->auto_pwm_num; j++) { + data->auto_pwm[i][j] = + nct6775_read_value(data, + NCT6775_AUTO_PWM(data, i, j)); + data->auto_temp[i][j] = + nct6775_read_value(data, + NCT6775_AUTO_TEMP(data, i, j)); + } + + /* critical auto_pwm temperature data */ + data->auto_temp[i][data->auto_pwm_num] = + nct6775_read_value(data, data->REG_CRITICAL_TEMP[i]); + + switch (data->kind) { + case nct6775: + reg = nct6775_read_value(data, + NCT6775_REG_CRITICAL_ENAB[i]); + data->auto_pwm[i][data->auto_pwm_num] = + (reg & 0x02) ? 0xff : 0x00; + break; + case nct6776: + data->auto_pwm[i][data->auto_pwm_num] = 0xff; + break; + case nct6779: + reg = nct6775_read_value(data, + NCT6779_REG_CRITICAL_PWM_ENABLE[i]); + if (reg & 1) + data->auto_pwm[i][data->auto_pwm_num] = + nct6775_read_value(data, + NCT6779_REG_CRITICAL_PWM[i]); + else + data->auto_pwm[i][data->auto_pwm_num] = 0xff; + break; + } } } @@ -905,6 +1088,7 @@ static struct nct6775_data *nct6775_update_device(struct device *dev) } nct6775_update_pwm(dev); + nct6775_update_pwm_limits(dev); /* Measured temperatures and limits */ for (i = 0; i < NUM_TEMP; i++) { @@ -1754,20 +1938,91 @@ store_pwm(struct device *dev, struct device_attribute *attr, const char *buf, int nr = sattr->nr; int index = sattr->index; unsigned long val; + int minval[5] = { 0, 1, 1, data->pwm[2][nr], 0 }; + int maxval[5] + = { 255, 255, data->pwm[3][nr] ? : 255, 255, 255 }; int err; + u8 reg; err = kstrtoul(buf, 10, &val); if (err < 0) return err; - val = clamp_val(val, 0, 255); + val = clamp_val(val, minval[index], maxval[index]); mutex_lock(&data->update_lock); data->pwm[index][nr] = val; nct6775_write_value(data, data->REG_PWM[index][nr], val); + if (index == 2) { /* floor: disable if val == 0 */ + reg = nct6775_read_value(data, data->REG_TEMP_SEL[nr]); + reg &= 0x7f; + if (val) + reg |= 0x80; + nct6775_write_value(data, data->REG_TEMP_SEL[nr], reg); + } mutex_unlock(&data->update_lock); return count; } +/* Returns 0 if OK, -EINVAL otherwise */ +static int check_trip_points(struct nct6775_data *data, int nr) +{ + int i; + + for (i = 0; i < data->auto_pwm_num - 1; i++) { + if (data->auto_temp[nr][i] > data->auto_temp[nr][i + 1]) + return -EINVAL; + } + for (i = 0; i < data->auto_pwm_num - 1; i++) { + if (data->auto_pwm[nr][i] > data->auto_pwm[nr][i + 1]) + return -EINVAL; + } + /* validate critical temperature and pwm if enabled (pwm > 0) */ + if (data->auto_pwm[nr][data->auto_pwm_num]) { + if (data->auto_temp[nr][data->auto_pwm_num - 1] > + data->auto_temp[nr][data->auto_pwm_num] || + data->auto_pwm[nr][data->auto_pwm_num - 1] > + data->auto_pwm[nr][data->auto_pwm_num]) + return -EINVAL; + } + return 0; +} + +static void pwm_update_registers(struct nct6775_data *data, int nr) +{ + u8 reg; + + switch (data->pwm_enable[nr]) { + case off: + case manual: + break; + case speed_cruise: + reg = nct6775_read_value(data, data->REG_FAN_MODE[nr]); + reg = (reg & ~data->tolerance_mask) | + (data->target_speed_tolerance[nr] & data->tolerance_mask); + nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); + nct6775_write_value(data, data->REG_TARGET[nr], + data->target_speed[nr] & 0xff); + if (data->REG_TOLERANCE_H) { + reg = (data->target_speed[nr] >> 8) & 0x0f; + reg |= (data->target_speed_tolerance[nr] & 0x38) << 1; + nct6775_write_value(data, + data->REG_TOLERANCE_H[nr], + reg); + } + break; + case thermal_cruise: + nct6775_write_value(data, data->REG_TARGET[nr], + data->target_temp[nr]); + /* intentional */ + default: + reg = nct6775_read_value(data, data->REG_FAN_MODE[nr]); + reg = (reg & ~data->tolerance_mask) | + data->temp_tolerance[0][nr]; + nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); + break; + } +} + static ssize_t show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf) { @@ -1798,6 +2053,12 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr, if (val == sf3 && data->kind != nct6775) return -EINVAL; + if (val == sf4 && check_trip_points(data, nr)) { + dev_err(dev, "Inconsistent trip points, not switching to SmartFan IV mode\n"); + dev_err(dev, "Adjust trip points and try again\n"); + return -EINVAL; + } + mutex_lock(&data->update_lock); data->pwm_enable[nr] = val; if (val == off) { @@ -1807,6 +2068,7 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr, data->pwm[0][nr] = 255; nct6775_write_value(data, data->REG_PWM[0][nr], 255); } + pwm_update_registers(data, nr); reg = nct6775_read_value(data, data->REG_FAN_MODE[nr]); reg &= 0x0f; reg |= pwm_enable_to_reg(val) << 4; @@ -1815,6 +2077,235 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr, return count; } +static ssize_t +show_pwm_temp_sel(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct nct6775_data *data = nct6775_update_device(dev); + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + int i, src, sel = 0; + + src = data->pwm_temp_sel[sattr->index]; + + for (i = 0; i < NUM_TEMP; i++) { + if (!(data->have_temp & (1 << i))) + continue; + if (src == data->temp_src[i]) { + sel = i + 1; + break; + } + } + + return sprintf(buf, "%d\n", sel); +} + +static ssize_t +store_pwm_temp_sel(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct nct6775_data *data = nct6775_update_device(dev); + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + int nr = sattr->index; + unsigned long val; + int err, reg, src; + + err = kstrtoul(buf, 10, &val); + if (err < 0) + return err; + if (val == 0 || val > NUM_TEMP) + return -EINVAL; + if (!(data->have_temp & (1 << (val - 1))) || !data->temp_src[val - 1]) + return -EINVAL; + + mutex_lock(&data->update_lock); + src = data->temp_src[val - 1]; + data->pwm_temp_sel[nr] = src; + reg = nct6775_read_value(data, data->REG_TEMP_SEL[nr]); + reg &= 0xe0; + reg |= src; + nct6775_write_value(data, data->REG_TEMP_SEL[nr], reg); + mutex_unlock(&data->update_lock); + + return count; +} + +static ssize_t +show_target_temp(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct nct6775_data *data = nct6775_update_device(dev); + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + + return sprintf(buf, "%d\n", data->target_temp[sattr->index] * 1000); +} + +static ssize_t +store_target_temp(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct nct6775_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + int nr = sattr->index; + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err < 0) + return err; + + val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, + data->target_temp_mask); + + mutex_lock(&data->update_lock); + data->target_temp[nr] = val; + pwm_update_registers(data, nr); + mutex_unlock(&data->update_lock); + return count; +} + +static ssize_t +show_target_speed(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct nct6775_data *data = nct6775_update_device(dev); + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + int nr = sattr->index; + + return sprintf(buf, "%d\n", + fan_from_reg16(data->target_speed[nr], + data->fan_div[nr])); +} + +static ssize_t +store_target_speed(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct nct6775_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + int nr = sattr->index; + unsigned long val; + int err; + u16 speed; + + err = kstrtoul(buf, 10, &val); + if (err < 0) + return err; + + val = clamp_val(val, 0, 1350000U); + speed = fan_to_reg(val, data->fan_div[nr]); + + mutex_lock(&data->update_lock); + data->target_speed[nr] = speed; + pwm_update_registers(data, nr); + mutex_unlock(&data->update_lock); + return count; +} + +static ssize_t +show_temp_tolerance(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct nct6775_data *data = nct6775_update_device(dev); + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + int nr = sattr->nr; + int index = sattr->index; + + return sprintf(buf, "%d\n", data->temp_tolerance[index][nr] * 1000); +} + +static ssize_t +store_temp_tolerance(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct nct6775_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + int nr = sattr->nr; + int index = sattr->index; + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err < 0) + return err; + + /* Limit tolerance as needed */ + val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, data->tolerance_mask); + + mutex_lock(&data->update_lock); + data->temp_tolerance[index][nr] = val; + if (index) + pwm_update_registers(data, nr); + else + nct6775_write_value(data, + data->REG_CRITICAL_TEMP_TOLERANCE[nr], + val); + mutex_unlock(&data->update_lock); + return count; +} + +/* + * Fan speed tolerance is a tricky beast, since the associated register is + * a tick counter, but the value is reported and configured as rpm. + * Compute resulting low and high rpm values and report the difference. + */ +static ssize_t +show_speed_tolerance(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct nct6775_data *data = nct6775_update_device(dev); + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + int nr = sattr->index; + int low = data->target_speed[nr] - data->target_speed_tolerance[nr]; + int high = data->target_speed[nr] + data->target_speed_tolerance[nr]; + int tolerance; + + if (low <= 0) + low = 1; + if (high > 0xffff) + high = 0xffff; + if (high < low) + high = low; + + tolerance = (fan_from_reg16(low, data->fan_div[nr]) + - fan_from_reg16(high, data->fan_div[nr])) / 2; + + return sprintf(buf, "%d\n", tolerance); +} + +static ssize_t +store_speed_tolerance(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct nct6775_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + int nr = sattr->index; + unsigned long val; + int err; + int low, high; + + err = kstrtoul(buf, 10, &val); + if (err < 0) + return err; + + high = fan_from_reg16(data->target_speed[nr], + data->fan_div[nr]) + val; + low = fan_from_reg16(data->target_speed[nr], + data->fan_div[nr]) - val; + if (low <= 0) + low = 1; + if (high < low) + high = low; + + val = (fan_to_reg(low, data->fan_div[nr]) - + fan_to_reg(high, data->fan_div[nr])) / 2; + + /* Limit tolerance as needed */ + val = clamp_val(val, 0, data->speed_tolerance_limit); + + mutex_lock(&data->update_lock); + data->target_speed_tolerance[nr] = val; + pwm_update_registers(data, nr); + mutex_unlock(&data->update_lock); + return count; +} + static SENSOR_DEVICE_ATTR_2(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0, 0); static SENSOR_DEVICE_ATTR_2(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1, 0); static SENSOR_DEVICE_ATTR_2(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2, 0); @@ -1843,6 +2334,88 @@ static SENSOR_DEVICE_ATTR(pwm4_enable, S_IWUSR | S_IRUGO, show_pwm_enable, static SENSOR_DEVICE_ATTR(pwm5_enable, S_IWUSR | S_IRUGO, show_pwm_enable, store_pwm_enable, 4); +static SENSOR_DEVICE_ATTR(pwm1_temp_sel, S_IWUSR | S_IRUGO, + show_pwm_temp_sel, store_pwm_temp_sel, 0); +static SENSOR_DEVICE_ATTR(pwm2_temp_sel, S_IWUSR | S_IRUGO, + show_pwm_temp_sel, store_pwm_temp_sel, 1); +static SENSOR_DEVICE_ATTR(pwm3_temp_sel, S_IWUSR | S_IRUGO, + show_pwm_temp_sel, store_pwm_temp_sel, 2); +static SENSOR_DEVICE_ATTR(pwm4_temp_sel, S_IWUSR | S_IRUGO, + show_pwm_temp_sel, store_pwm_temp_sel, 3); +static SENSOR_DEVICE_ATTR(pwm5_temp_sel, S_IWUSR | S_IRUGO, + show_pwm_temp_sel, store_pwm_temp_sel, 4); + +static SENSOR_DEVICE_ATTR(pwm1_target_temp, S_IWUSR | S_IRUGO, show_target_temp, + store_target_temp, 0); +static SENSOR_DEVICE_ATTR(pwm2_target_temp, S_IWUSR | S_IRUGO, show_target_temp, + store_target_temp, 1); +static SENSOR_DEVICE_ATTR(pwm3_target_temp, S_IWUSR | S_IRUGO, show_target_temp, + store_target_temp, 2); +static SENSOR_DEVICE_ATTR(pwm4_target_temp, S_IWUSR | S_IRUGO, show_target_temp, + store_target_temp, 3); +static SENSOR_DEVICE_ATTR(pwm5_target_temp, S_IWUSR | S_IRUGO, show_target_temp, + store_target_temp, 4); + +static SENSOR_DEVICE_ATTR(fan1_target, S_IWUSR | S_IRUGO, show_target_speed, + store_target_speed, 0); +static SENSOR_DEVICE_ATTR(fan2_target, S_IWUSR | S_IRUGO, show_target_speed, + store_target_speed, 1); +static SENSOR_DEVICE_ATTR(fan3_target, S_IWUSR | S_IRUGO, show_target_speed, + store_target_speed, 2); +static SENSOR_DEVICE_ATTR(fan4_target, S_IWUSR | S_IRUGO, show_target_speed, + store_target_speed, 3); +static SENSOR_DEVICE_ATTR(fan5_target, S_IWUSR | S_IRUGO, show_target_speed, + store_target_speed, 4); + +static SENSOR_DEVICE_ATTR(fan1_tolerance, S_IWUSR | S_IRUGO, + show_speed_tolerance, store_speed_tolerance, 0); +static SENSOR_DEVICE_ATTR(fan2_tolerance, S_IWUSR | S_IRUGO, + show_speed_tolerance, store_speed_tolerance, 1); +static SENSOR_DEVICE_ATTR(fan3_tolerance, S_IWUSR | S_IRUGO, + show_speed_tolerance, store_speed_tolerance, 2); +static SENSOR_DEVICE_ATTR(fan4_tolerance, S_IWUSR | S_IRUGO, + show_speed_tolerance, store_speed_tolerance, 3); +static SENSOR_DEVICE_ATTR(fan5_tolerance, S_IWUSR | S_IRUGO, + show_speed_tolerance, store_speed_tolerance, 4); + +/* Smart Fan registers */ + +static ssize_t +show_fan_time(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct nct6775_data *data = nct6775_update_device(dev); + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + int nr = sattr->nr; + int index = sattr->index; + + return sprintf(buf, "%d\n", + step_time_from_reg(data->fan_time[index][nr], + data->pwm_mode[nr])); +} + +static ssize_t +store_fan_time(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct nct6775_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + int nr = sattr->nr; + int index = sattr->index; + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err < 0) + return err; + + val = step_time_to_reg(val, data->pwm_mode[nr]); + mutex_lock(&data->update_lock); + data->fan_time[index][nr] = val; + nct6775_write_value(data, data->REG_FAN_TIME[index][nr], val); + mutex_unlock(&data->update_lock); + return count; +} + static ssize_t show_name(struct device *dev, struct device_attribute *attr, char *buf) { @@ -1853,35 +2426,190 @@ show_name(struct device *dev, struct device_attribute *attr, char *buf) static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); -static struct attribute *nct6775_attributes_pwm[5][4] = { +static SENSOR_DEVICE_ATTR_2(pwm1_stop_time, S_IWUSR | S_IRUGO, show_fan_time, + store_fan_time, 0, 0); +static SENSOR_DEVICE_ATTR_2(pwm2_stop_time, S_IWUSR | S_IRUGO, show_fan_time, + store_fan_time, 1, 0); +static SENSOR_DEVICE_ATTR_2(pwm3_stop_time, S_IWUSR | S_IRUGO, show_fan_time, + store_fan_time, 2, 0); +static SENSOR_DEVICE_ATTR_2(pwm4_stop_time, S_IWUSR | S_IRUGO, show_fan_time, + store_fan_time, 3, 0); +static SENSOR_DEVICE_ATTR_2(pwm5_stop_time, S_IWUSR | S_IRUGO, show_fan_time, + store_fan_time, 4, 0); + +static SENSOR_DEVICE_ATTR_2(pwm1_step_up_time, S_IWUSR | S_IRUGO, show_fan_time, + store_fan_time, 0, 1); +static SENSOR_DEVICE_ATTR_2(pwm2_step_up_time, S_IWUSR | S_IRUGO, show_fan_time, + store_fan_time, 1, 1); +static SENSOR_DEVICE_ATTR_2(pwm3_step_up_time, S_IWUSR | S_IRUGO, show_fan_time, + store_fan_time, 2, 1); +static SENSOR_DEVICE_ATTR_2(pwm4_step_up_time, S_IWUSR | S_IRUGO, show_fan_time, + store_fan_time, 3, 1); +static SENSOR_DEVICE_ATTR_2(pwm5_step_up_time, S_IWUSR | S_IRUGO, show_fan_time, + store_fan_time, 4, 1); + +static SENSOR_DEVICE_ATTR_2(pwm1_step_down_time, S_IWUSR | S_IRUGO, + show_fan_time, store_fan_time, 0, 2); +static SENSOR_DEVICE_ATTR_2(pwm2_step_down_time, S_IWUSR | S_IRUGO, + show_fan_time, store_fan_time, 1, 2); +static SENSOR_DEVICE_ATTR_2(pwm3_step_down_time, S_IWUSR | S_IRUGO, + show_fan_time, store_fan_time, 2, 2); +static SENSOR_DEVICE_ATTR_2(pwm4_step_down_time, S_IWUSR | S_IRUGO, + show_fan_time, store_fan_time, 3, 2); +static SENSOR_DEVICE_ATTR_2(pwm5_step_down_time, S_IWUSR | S_IRUGO, + show_fan_time, store_fan_time, 4, 2); + +static SENSOR_DEVICE_ATTR_2(pwm1_start, S_IWUSR | S_IRUGO, show_pwm, + store_pwm, 0, 1); +static SENSOR_DEVICE_ATTR_2(pwm2_start, S_IWUSR | S_IRUGO, show_pwm, + store_pwm, 1, 1); +static SENSOR_DEVICE_ATTR_2(pwm3_start, S_IWUSR | S_IRUGO, show_pwm, + store_pwm, 2, 1); +static SENSOR_DEVICE_ATTR_2(pwm4_start, S_IWUSR | S_IRUGO, show_pwm, + store_pwm, 3, 1); +static SENSOR_DEVICE_ATTR_2(pwm5_start, S_IWUSR | S_IRUGO, show_pwm, + store_pwm, 4, 1); + +static SENSOR_DEVICE_ATTR_2(pwm1_floor, S_IWUSR | S_IRUGO, show_pwm, + store_pwm, 0, 2); +static SENSOR_DEVICE_ATTR_2(pwm2_floor, S_IWUSR | S_IRUGO, show_pwm, + store_pwm, 1, 2); +static SENSOR_DEVICE_ATTR_2(pwm3_floor, S_IWUSR | S_IRUGO, show_pwm, + store_pwm, 2, 2); +static SENSOR_DEVICE_ATTR_2(pwm4_floor, S_IWUSR | S_IRUGO, show_pwm, + store_pwm, 3, 2); +static SENSOR_DEVICE_ATTR_2(pwm5_floor, S_IWUSR | S_IRUGO, show_pwm, + store_pwm, 4, 2); + +static SENSOR_DEVICE_ATTR_2(pwm1_temp_tolerance, S_IWUSR | S_IRUGO, + show_temp_tolerance, store_temp_tolerance, 0, 0); +static SENSOR_DEVICE_ATTR_2(pwm2_temp_tolerance, S_IWUSR | S_IRUGO, + show_temp_tolerance, store_temp_tolerance, 1, 0); +static SENSOR_DEVICE_ATTR_2(pwm3_temp_tolerance, S_IWUSR | S_IRUGO, + show_temp_tolerance, store_temp_tolerance, 2, 0); +static SENSOR_DEVICE_ATTR_2(pwm4_temp_tolerance, S_IWUSR | S_IRUGO, + show_temp_tolerance, store_temp_tolerance, 3, 0); +static SENSOR_DEVICE_ATTR_2(pwm5_temp_tolerance, S_IWUSR | S_IRUGO, + show_temp_tolerance, store_temp_tolerance, 4, 0); + +static SENSOR_DEVICE_ATTR_2(pwm1_crit_temp_tolerance, S_IWUSR | S_IRUGO, + show_temp_tolerance, store_temp_tolerance, 0, 1); +static SENSOR_DEVICE_ATTR_2(pwm2_crit_temp_tolerance, S_IWUSR | S_IRUGO, + show_temp_tolerance, store_temp_tolerance, 1, 1); +static SENSOR_DEVICE_ATTR_2(pwm3_crit_temp_tolerance, S_IWUSR | S_IRUGO, + show_temp_tolerance, store_temp_tolerance, 2, 1); +static SENSOR_DEVICE_ATTR_2(pwm4_crit_temp_tolerance, S_IWUSR | S_IRUGO, + show_temp_tolerance, store_temp_tolerance, 3, 1); +static SENSOR_DEVICE_ATTR_2(pwm5_crit_temp_tolerance, S_IWUSR | S_IRUGO, + show_temp_tolerance, store_temp_tolerance, 4, 1); + +/* pwm_max is not supported on all chips */ +static struct sensor_device_attribute_2 sda_pwm_max[] = { + SENSOR_ATTR_2(pwm1_max, S_IWUSR | S_IRUGO, show_pwm, store_pwm, + 0, 3), + SENSOR_ATTR_2(pwm2_max, S_IWUSR | S_IRUGO, show_pwm, store_pwm, + 1, 3), + SENSOR_ATTR_2(pwm3_max, S_IWUSR | S_IRUGO, show_pwm, store_pwm, + 2, 3), + SENSOR_ATTR_2(pwm4_max, S_IWUSR | S_IRUGO, show_pwm, store_pwm, + 3, 3), + SENSOR_ATTR_2(pwm5_max, S_IWUSR | S_IRUGO, show_pwm, store_pwm, + 4, 3), +}; + +/* pwm_step is not supported on all chips */ +static struct sensor_device_attribute_2 sda_pwm_step[] = { + SENSOR_ATTR_2(pwm1_step, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0, 4), + SENSOR_ATTR_2(pwm2_step, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1, 4), + SENSOR_ATTR_2(pwm3_step, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2, 4), + SENSOR_ATTR_2(pwm4_step, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3, 4), + SENSOR_ATTR_2(pwm5_step, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 4, 4), +}; + +static struct attribute *nct6775_attributes_pwm[5][15] = { { &sensor_dev_attr_pwm1.dev_attr.attr, &sensor_dev_attr_pwm1_mode.dev_attr.attr, &sensor_dev_attr_pwm1_enable.dev_attr.attr, + &sensor_dev_attr_pwm1_temp_sel.dev_attr.attr, + &sensor_dev_attr_pwm1_temp_tolerance.dev_attr.attr, + &sensor_dev_attr_pwm1_crit_temp_tolerance.dev_attr.attr, + &sensor_dev_attr_pwm1_target_temp.dev_attr.attr, + &sensor_dev_attr_fan1_target.dev_attr.attr, + &sensor_dev_attr_fan1_tolerance.dev_attr.attr, + &sensor_dev_attr_pwm1_stop_time.dev_attr.attr, + &sensor_dev_attr_pwm1_step_up_time.dev_attr.attr, + &sensor_dev_attr_pwm1_step_down_time.dev_attr.attr, + &sensor_dev_attr_pwm1_start.dev_attr.attr, + &sensor_dev_attr_pwm1_floor.dev_attr.attr, NULL }, { &sensor_dev_attr_pwm2.dev_attr.attr, &sensor_dev_attr_pwm2_mode.dev_attr.attr, &sensor_dev_attr_pwm2_enable.dev_attr.attr, + &sensor_dev_attr_pwm2_temp_sel.dev_attr.attr, + &sensor_dev_attr_pwm2_temp_tolerance.dev_attr.attr, + &sensor_dev_attr_pwm2_crit_temp_tolerance.dev_attr.attr, + &sensor_dev_attr_pwm2_target_temp.dev_attr.attr, + &sensor_dev_attr_fan2_target.dev_attr.attr, + &sensor_dev_attr_fan2_tolerance.dev_attr.attr, + &sensor_dev_attr_pwm2_stop_time.dev_attr.attr, + &sensor_dev_attr_pwm2_step_up_time.dev_attr.attr, + &sensor_dev_attr_pwm2_step_down_time.dev_attr.attr, + &sensor_dev_attr_pwm2_start.dev_attr.attr, + &sensor_dev_attr_pwm2_floor.dev_attr.attr, NULL }, { &sensor_dev_attr_pwm3.dev_attr.attr, &sensor_dev_attr_pwm3_mode.dev_attr.attr, &sensor_dev_attr_pwm3_enable.dev_attr.attr, + &sensor_dev_attr_pwm3_temp_sel.dev_attr.attr, + &sensor_dev_attr_pwm3_temp_tolerance.dev_attr.attr, + &sensor_dev_attr_pwm3_crit_temp_tolerance.dev_attr.attr, + &sensor_dev_attr_pwm3_target_temp.dev_attr.attr, + &sensor_dev_attr_fan3_target.dev_attr.attr, + &sensor_dev_attr_fan3_tolerance.dev_attr.attr, + &sensor_dev_attr_pwm3_stop_time.dev_attr.attr, + &sensor_dev_attr_pwm3_step_up_time.dev_attr.attr, + &sensor_dev_attr_pwm3_step_down_time.dev_attr.attr, + &sensor_dev_attr_pwm3_start.dev_attr.attr, + &sensor_dev_attr_pwm3_floor.dev_attr.attr, NULL }, { &sensor_dev_attr_pwm4.dev_attr.attr, &sensor_dev_attr_pwm4_mode.dev_attr.attr, &sensor_dev_attr_pwm4_enable.dev_attr.attr, + &sensor_dev_attr_pwm4_temp_sel.dev_attr.attr, + &sensor_dev_attr_pwm4_temp_tolerance.dev_attr.attr, + &sensor_dev_attr_pwm4_crit_temp_tolerance.dev_attr.attr, + &sensor_dev_attr_pwm4_target_temp.dev_attr.attr, + &sensor_dev_attr_fan4_target.dev_attr.attr, + &sensor_dev_attr_fan4_tolerance.dev_attr.attr, + &sensor_dev_attr_pwm4_stop_time.dev_attr.attr, + &sensor_dev_attr_pwm4_step_up_time.dev_attr.attr, + &sensor_dev_attr_pwm4_step_down_time.dev_attr.attr, + &sensor_dev_attr_pwm4_start.dev_attr.attr, + &sensor_dev_attr_pwm4_floor.dev_attr.attr, NULL }, { &sensor_dev_attr_pwm5.dev_attr.attr, &sensor_dev_attr_pwm5_mode.dev_attr.attr, &sensor_dev_attr_pwm5_enable.dev_attr.attr, + &sensor_dev_attr_pwm5_temp_sel.dev_attr.attr, + &sensor_dev_attr_pwm5_temp_tolerance.dev_attr.attr, + &sensor_dev_attr_pwm5_crit_temp_tolerance.dev_attr.attr, + &sensor_dev_attr_pwm5_target_temp.dev_attr.attr, + &sensor_dev_attr_fan5_target.dev_attr.attr, + &sensor_dev_attr_fan5_tolerance.dev_attr.attr, + &sensor_dev_attr_pwm5_stop_time.dev_attr.attr, + &sensor_dev_attr_pwm5_step_up_time.dev_attr.attr, + &sensor_dev_attr_pwm5_step_down_time.dev_attr.attr, + &sensor_dev_attr_pwm5_start.dev_attr.attr, + &sensor_dev_attr_pwm5_floor.dev_attr.attr, NULL }, }; @@ -1895,6 +2623,277 @@ static const struct attribute_group nct6775_group_pwm[5] = { }; static ssize_t +show_auto_pwm(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct nct6775_data *data = nct6775_update_device(dev); + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + + return sprintf(buf, "%d\n", data->auto_pwm[sattr->nr][sattr->index]); +} + +static ssize_t +store_auto_pwm(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct nct6775_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + int nr = sattr->nr; + int point = sattr->index; + unsigned long val; + int err; + u8 reg; + + err = kstrtoul(buf, 10, &val); + if (err < 0) + return err; + if (val > 255) + return -EINVAL; + + if (point == data->auto_pwm_num) { + if (data->kind != nct6775 && !val) + return -EINVAL; + if (data->kind != nct6779 && val) + val = 0xff; + } + + mutex_lock(&data->update_lock); + data->auto_pwm[nr][point] = val; + if (point < data->auto_pwm_num) { + nct6775_write_value(data, + NCT6775_AUTO_PWM(data, nr, point), + data->auto_pwm[nr][point]); + } else { + switch (data->kind) { + case nct6775: + /* disable if needed (pwm == 0) */ + reg = nct6775_read_value(data, + NCT6775_REG_CRITICAL_ENAB[nr]); + if (val) + reg |= 0x02; + else + reg &= ~0x02; + nct6775_write_value(data, NCT6775_REG_CRITICAL_ENAB[nr], + reg); + break; + case nct6776: + break; /* always enabled, nothing to do */ + case nct6779: + nct6775_write_value(data, NCT6779_REG_CRITICAL_PWM[nr], + val); + reg = nct6775_read_value(data, + NCT6779_REG_CRITICAL_PWM_ENABLE[nr]); + if (val == 255) + reg &= ~0x01; + else + reg |= 0x01; + nct6775_write_value(data, + NCT6779_REG_CRITICAL_PWM_ENABLE[nr], + reg); + break; + } + } + mutex_unlock(&data->update_lock); + return count; +} + +static ssize_t +show_auto_temp(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct nct6775_data *data = nct6775_update_device(dev); + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + int nr = sattr->nr; + int point = sattr->index; + + /* + * We don't know for sure if the temperature is signed or unsigned. + * Assume it is unsigned. + */ + return sprintf(buf, "%d\n", data->auto_temp[nr][point] * 1000); +} + +static ssize_t +store_auto_temp(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct nct6775_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + int nr = sattr->nr; + int point = sattr->index; + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; + if (val > 255000) + return -EINVAL; + + mutex_lock(&data->update_lock); + data->auto_temp[nr][point] = DIV_ROUND_CLOSEST(val, 1000); + if (point < data->auto_pwm_num) { + nct6775_write_value(data, + NCT6775_AUTO_TEMP(data, nr, point), + data->auto_temp[nr][point]); + } else { + nct6775_write_value(data, data->REG_CRITICAL_TEMP[nr], + data->auto_temp[nr][point]); + } + mutex_unlock(&data->update_lock); + return count; +} + +/* + * The number of auto-point trip points is chip dependent. + * Need to check support while generating/removing attribute files. + */ +static struct sensor_device_attribute_2 sda_auto_pwm_arrays[] = { + SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 0, 0), + SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 0, 0), + SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 0, 1), + SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 0, 1), + SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 0, 2), + SENSOR_ATTR_2(pwm1_auto_point3_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 0, 2), + SENSOR_ATTR_2(pwm1_auto_point4_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 0, 3), + SENSOR_ATTR_2(pwm1_auto_point4_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 0, 3), + SENSOR_ATTR_2(pwm1_auto_point5_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 0, 4), + SENSOR_ATTR_2(pwm1_auto_point5_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 0, 4), + SENSOR_ATTR_2(pwm1_auto_point6_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 0, 5), + SENSOR_ATTR_2(pwm1_auto_point6_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 0, 5), + SENSOR_ATTR_2(pwm1_auto_point7_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 0, 6), + SENSOR_ATTR_2(pwm1_auto_point7_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 0, 6), + + SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 1, 0), + SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 1, 0), + SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 1, 1), + SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 1, 1), + SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 1, 2), + SENSOR_ATTR_2(pwm2_auto_point3_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 1, 2), + SENSOR_ATTR_2(pwm2_auto_point4_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 1, 3), + SENSOR_ATTR_2(pwm2_auto_point4_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 1, 3), + SENSOR_ATTR_2(pwm2_auto_point5_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 1, 4), + SENSOR_ATTR_2(pwm2_auto_point5_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 1, 4), + SENSOR_ATTR_2(pwm2_auto_point6_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 1, 5), + SENSOR_ATTR_2(pwm2_auto_point6_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 1, 5), + SENSOR_ATTR_2(pwm2_auto_point7_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 1, 6), + SENSOR_ATTR_2(pwm2_auto_point7_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 1, 6), + + SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 2, 0), + SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 2, 0), + SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 2, 1), + SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 2, 1), + SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 2, 2), + SENSOR_ATTR_2(pwm3_auto_point3_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 2, 2), + SENSOR_ATTR_2(pwm3_auto_point4_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 2, 3), + SENSOR_ATTR_2(pwm3_auto_point4_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 2, 3), + SENSOR_ATTR_2(pwm3_auto_point5_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 2, 4), + SENSOR_ATTR_2(pwm3_auto_point5_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 2, 4), + SENSOR_ATTR_2(pwm3_auto_point6_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 2, 5), + SENSOR_ATTR_2(pwm3_auto_point6_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 2, 5), + SENSOR_ATTR_2(pwm3_auto_point7_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 2, 6), + SENSOR_ATTR_2(pwm3_auto_point7_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 2, 6), + + SENSOR_ATTR_2(pwm4_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 3, 0), + SENSOR_ATTR_2(pwm4_auto_point1_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 3, 0), + SENSOR_ATTR_2(pwm4_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 3, 1), + SENSOR_ATTR_2(pwm4_auto_point2_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 3, 1), + SENSOR_ATTR_2(pwm4_auto_point3_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 3, 2), + SENSOR_ATTR_2(pwm4_auto_point3_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 3, 2), + SENSOR_ATTR_2(pwm4_auto_point4_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 3, 3), + SENSOR_ATTR_2(pwm4_auto_point4_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 3, 3), + SENSOR_ATTR_2(pwm4_auto_point5_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 3, 4), + SENSOR_ATTR_2(pwm4_auto_point5_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 3, 4), + SENSOR_ATTR_2(pwm4_auto_point6_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 3, 5), + SENSOR_ATTR_2(pwm4_auto_point6_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 3, 5), + SENSOR_ATTR_2(pwm4_auto_point7_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 3, 6), + SENSOR_ATTR_2(pwm4_auto_point7_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 3, 6), + + SENSOR_ATTR_2(pwm5_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 4, 0), + SENSOR_ATTR_2(pwm5_auto_point1_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 4, 0), + SENSOR_ATTR_2(pwm5_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 4, 1), + SENSOR_ATTR_2(pwm5_auto_point2_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 4, 1), + SENSOR_ATTR_2(pwm5_auto_point3_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 4, 2), + SENSOR_ATTR_2(pwm5_auto_point3_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 4, 2), + SENSOR_ATTR_2(pwm5_auto_point4_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 4, 3), + SENSOR_ATTR_2(pwm5_auto_point4_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 4, 3), + SENSOR_ATTR_2(pwm5_auto_point5_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 4, 4), + SENSOR_ATTR_2(pwm5_auto_point5_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 4, 4), + SENSOR_ATTR_2(pwm5_auto_point6_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 4, 5), + SENSOR_ATTR_2(pwm5_auto_point6_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 4, 5), + SENSOR_ATTR_2(pwm5_auto_point7_pwm, S_IWUSR | S_IRUGO, + show_auto_pwm, store_auto_pwm, 4, 6), + SENSOR_ATTR_2(pwm5_auto_point7_temp, S_IWUSR | S_IRUGO, + show_auto_temp, store_auto_temp, 4, 6), +}; + +static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf) { struct nct6775_data *data = dev_get_drvdata(dev); @@ -1969,6 +2968,15 @@ static void nct6775_device_remove_files(struct device *dev) for (i = 0; i < data->pwm_num; i++) sysfs_remove_group(&dev->kobj, &nct6775_group_pwm[i]); + for (i = 0; i < ARRAY_SIZE(sda_pwm_max); i++) + device_remove_file(dev, &sda_pwm_max[i].dev_attr); + + for (i = 0; i < ARRAY_SIZE(sda_pwm_step); i++) + device_remove_file(dev, &sda_pwm_step[i].dev_attr); + + for (i = 0; i < ARRAY_SIZE(sda_auto_pwm_arrays); i++) + device_remove_file(dev, &sda_auto_pwm_arrays[i].dev_attr); + for (i = 0; i < data->in_num; i++) sysfs_remove_group(&dev->kobj, &nct6775_group_in[i]); @@ -2161,6 +3169,7 @@ static int nct6775_probe(struct platform_device *pdev) case nct6775: data->in_num = 9; data->pwm_num = 3; + data->auto_pwm_num = 6; data->has_fan_div = true; data->temp_fixed_num = 3; @@ -2168,6 +3177,9 @@ static int nct6775_probe(struct platform_device *pdev) data->fan_from_reg = fan_from_reg16; data->fan_from_reg_min = fan_from_reg8; + data->target_temp_mask = 0x7f; + data->tolerance_mask = 0x0f; + data->speed_tolerance_limit = 15; data->temp_label = nct6775_temp_label; data->temp_label_num = ARRAY_SIZE(nct6775_temp_label); @@ -2178,16 +3190,30 @@ static int nct6775_probe(struct platform_device *pdev) data->REG_VIN = NCT6775_REG_IN; data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; + data->REG_TARGET = NCT6775_REG_TARGET; data->REG_FAN = NCT6775_REG_FAN; data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; data->REG_FAN_MIN = NCT6775_REG_FAN_MIN; data->REG_FAN_PULSES = NCT6775_REG_FAN_PULSES; + data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; + data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME; + data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME; data->REG_PWM[0] = NCT6775_REG_PWM; + data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; + data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; + data->REG_PWM[3] = NCT6775_REG_FAN_MAX_OUTPUT; + data->REG_PWM[4] = NCT6775_REG_FAN_STEP_OUTPUT; data->REG_PWM_READ = NCT6775_REG_PWM_READ; data->REG_PWM_MODE = NCT6775_REG_PWM_MODE; data->PWM_MODE_MASK = NCT6775_PWM_MODE_MASK; + data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; + data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; + data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; + data->REG_CRITICAL_TEMP_TOLERANCE + = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; data->REG_TEMP_OFFSET = NCT6775_REG_TEMP_OFFSET; data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; + data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; data->REG_ALARM = NCT6775_REG_ALARM; reg_temp = NCT6775_REG_TEMP; @@ -2202,6 +3228,7 @@ static int nct6775_probe(struct platform_device *pdev) case nct6776: data->in_num = 9; data->pwm_num = 3; + data->auto_pwm_num = 4; data->has_fan_div = false; data->temp_fixed_num = 3; @@ -2209,6 +3236,9 @@ static int nct6775_probe(struct platform_device *pdev) data->fan_from_reg = fan_from_reg13; data->fan_from_reg_min = fan_from_reg13; + data->target_temp_mask = 0xff; + data->tolerance_mask = 0x07; + data->speed_tolerance_limit = 63; data->temp_label = nct6776_temp_label; data->temp_label_num = ARRAY_SIZE(nct6776_temp_label); @@ -2219,16 +3249,29 @@ static int nct6775_probe(struct platform_device *pdev) data->REG_VIN = NCT6775_REG_IN; data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; + data->REG_TARGET = NCT6775_REG_TARGET; data->REG_FAN = NCT6775_REG_FAN; data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; data->REG_FAN_MIN = NCT6776_REG_FAN_MIN; data->REG_FAN_PULSES = NCT6776_REG_FAN_PULSES; + data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; + data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME; + data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME; + data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H; data->REG_PWM[0] = NCT6775_REG_PWM; + data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; + data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; data->REG_PWM_READ = NCT6775_REG_PWM_READ; data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; + data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; + data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; + data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; + data->REG_CRITICAL_TEMP_TOLERANCE + = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; data->REG_TEMP_OFFSET = NCT6775_REG_TEMP_OFFSET; data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; + data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; data->REG_ALARM = NCT6775_REG_ALARM; reg_temp = NCT6775_REG_TEMP; @@ -2243,6 +3286,7 @@ static int nct6775_probe(struct platform_device *pdev) case nct6779: data->in_num = 15; data->pwm_num = 5; + data->auto_pwm_num = 4; data->has_fan_div = false; data->temp_fixed_num = 6; @@ -2250,6 +3294,9 @@ static int nct6775_probe(struct platform_device *pdev) data->fan_from_reg = fan_from_reg13; data->fan_from_reg_min = fan_from_reg13; + data->target_temp_mask = 0xff; + data->tolerance_mask = 0x07; + data->speed_tolerance_limit = 63; data->temp_label = nct6779_temp_label; data->temp_label_num = ARRAY_SIZE(nct6779_temp_label); @@ -2260,16 +3307,29 @@ static int nct6775_probe(struct platform_device *pdev) data->REG_VIN = NCT6779_REG_IN; data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; + data->REG_TARGET = NCT6775_REG_TARGET; data->REG_FAN = NCT6779_REG_FAN; data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; data->REG_FAN_MIN = NCT6776_REG_FAN_MIN; data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES; + data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; + data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME; + data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME; + data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H; data->REG_PWM[0] = NCT6775_REG_PWM; + data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; + data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; data->REG_PWM_READ = NCT6775_REG_PWM_READ; data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; + data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; + data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; + data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; + data->REG_CRITICAL_TEMP_TOLERANCE + = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; data->REG_TEMP_OFFSET = NCT6779_REG_TEMP_OFFSET; data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; + data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; data->REG_ALARM = NCT6779_REG_ALARM; reg_temp = NCT6779_REG_TEMP; @@ -2484,6 +3544,31 @@ static int nct6775_probe(struct platform_device *pdev) err = sysfs_create_group(&dev->kobj, &nct6775_group_pwm[i]); if (err) goto exit_remove; + + if (data->REG_PWM[3]) { + err = device_create_file(dev, + &sda_pwm_max[i].dev_attr); + if (err) + goto exit_remove; + } + if (data->REG_PWM[4]) { + err = device_create_file(dev, + &sda_pwm_step[i].dev_attr); + if (err) + goto exit_remove; + } + } + for (i = 0; i < ARRAY_SIZE(sda_auto_pwm_arrays); i++) { + struct sensor_device_attribute_2 *attr = + &sda_auto_pwm_arrays[i]; + + if (!(data->has_pwm & (1 << attr->nr))) + continue; + if (attr->index > data->auto_pwm_num) + continue; + err = device_create_file(dev, &attr->dev_attr); + if (err) + goto exit_remove; } for (i = 0; i < data->in_num; i++) { @@ -2518,7 +3603,7 @@ static int nct6775_probe(struct platform_device *pdev) goto exit_remove; } err = device_create_file(dev, - &sda_fan_pulses[i].dev_attr); + &sda_fan_pulses[i].dev_attr); if (err) goto exit_remove; } |