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Commit 9ab796eb authored by Mark van Doesburg's avatar Mark van Doesburg Committed by Jean Delvare
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hwmon: (f71882fg) Add PWM support 

Add PWM (fan speed control) support to the f71882fg driver. Both
manual control and automatic (temperature-based) modes are supported.
Additionally, each mode has a PWM-based and an RPM-based variant. By
default we use the mode set by the BIOS.
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Cc: Mark van Doesburg <mark.vandoesburg@hetnet.nl>
Signed-off-by: default avatarJean Delvare <khali@linux-fr.org>
parent 77a4a3e2
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Showing with 655 additions and 1 deletion
drivers/hwmon/f71882fg.c
View file @ 9ab796eb
......@@ -57,6 +57,8 @@
#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
......@@ -70,6 +72,17 @@
#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 */
......@@ -78,6 +91,12 @@ static unsigned short force_id;
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 */
......@@ -102,6 +121,8 @@ struct f71882fg_data {
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];
......@@ -112,6 +133,12 @@ struct f71882fg_data {
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 */
......@@ -130,6 +157,10 @@ static ssize_t show_in_alarm(struct device *dev, struct device_attribute
/* 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
......@@ -163,6 +194,35 @@ static ssize_t show_temp_alarm(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);
......@@ -249,21 +309,217 @@ static struct sensor_device_attribute_2 f71882fg_in_temp_attr[] = {
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),
};
......@@ -307,6 +563,11 @@ static inline u16 fan_from_reg(u16 reg)
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;
......@@ -335,6 +596,14 @@ static void f71882fg_write8(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);
......@@ -381,6 +650,32 @@ static struct f71882fg_data *f71882fg_update_device(struct device *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;
}
......@@ -396,9 +691,17 @@ static struct f71882fg_data *f71882fg_update_device(struct device *dev)
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);
......@@ -429,6 +732,40 @@ static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
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)
{
......@@ -736,6 +1073,323 @@ static ssize_t show_temp_fault(struct device *dev, struct device_attribute
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)
{
......
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