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hwmon: (f71882fg) Add support for the F71858F 

Add support for the hwmon part of the Fintek F71858FG superio IC to the
f71882fg driver. Many thanks to Jelle de Jong for lending me a motherboard 
with this superio on it.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Hans de Goede 2009-06-15 18:39:52 +02:00 committed by Jean Delvare
parent b6858bca8d
commit 09475d32e6
3 changed files with 166 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
Documentation/hwmon/f71882fg
View File

@ -2,14 +2,18 @@ Kernel driver f71882fg
======================
Supported chips:
* Fintek F71882FG and F71883FG
Prefix: 'f71882fg'
* Fintek F71858FG
Prefix: 'f71858fg'
Addresses scanned: none, address read from Super I/O config space
Datasheet: Available from the Fintek website
* Fintek F71862FG and F71863FG
Prefix: 'f71862fg'
Addresses scanned: none, address read from Super I/O config space
Datasheet: Available from the Fintek website
* Fintek F71882FG and F71883FG
Prefix: 'f71882fg'
Addresses scanned: none, address read from Super I/O config space
Datasheet: Available from the Fintek website
* Fintek F8000
Prefix: 'f8000'
Addresses scanned: none, address read from Super I/O config space
@ -66,13 +70,13 @@ printed when loading the driver.
Three different fan control modes are supported; the mode number is written
to the pwm#_enable file. Note that not all modes are supported on all
chips, and some modes may only be available in RPM / PWM mode on the F8000.
chips, and some modes may only be available in RPM / PWM mode.
Writing an unsupported mode will result in an invalid parameter error.
* 1: Manual mode
You ask for a specific PWM duty cycle / DC voltage or a specific % of
fan#_full_speed by writing to the pwm# file. This mode is only
available on the F8000 if the fan channel is in RPM mode.
available on the F71858FG / F8000 if the fan channel is in RPM mode.
* 2: Normal auto mode
You can define a number of temperature/fan speed trip points, which % the

4
drivers/hwmon/Kconfig
View File

@ -306,11 +306,11 @@ config SENSORS_F71805F
will be called f71805f.
config SENSORS_F71882FG
tristate "Fintek F71862FG, F71882FG and F8000"
tristate "Fintek F71858FG, F71862FG, F71882FG and F8000"
depends on EXPERIMENTAL
help
If you say yes here you get support for hardware monitoring
features of the Fintek F71882FG/F71883FG, F71862FG/71863FG
features of the Fintek F71858FG, F71862FG/71863FG, F71882FG/F71883FG
and F8000 Super-I/O chips.
This driver can also be built as a module. If so, the module

192
drivers/hwmon/f71882fg.c
View File

@ -32,6 +32,7 @@
#define DRVNAME "f71882fg"
#define SIO_F71858FG_LD_HWM 0x02 /* Hardware monitor logical device */
#define SIO_F71882FG_LD_HWM 0x04 /* Hardware monitor logical device */
#define SIO_UNLOCK_KEY 0x87 /* Key to enable Super-I/O */
#define SIO_LOCK_KEY 0xAA /* Key to diasble Super-I/O */
@ -44,6 +45,7 @@
#define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */
#define SIO_FINTEK_ID 0x1934 /* Manufacturers ID */
#define SIO_F71858_ID 0x0507 /* Chipset ID */
#define SIO_F71862_ID 0x0601 /* Chipset ID */
#define SIO_F71882_ID 0x0541 /* Chipset ID */
#define SIO_F8000_ID 0x0581 /* Chipset ID */
@ -70,6 +72,7 @@
#define F71882FG_REG_TEMP_HIGH(nr) (0x81 + 2 * (nr))
#define F71882FG_REG_TEMP_STATUS 0x62
#define F71882FG_REG_TEMP_BEEP 0x63
#define F71882FG_REG_TEMP_CONFIG 0x69
#define F71882FG_REG_TEMP_HYST(nr) (0x6C + (nr))
#define F71882FG_REG_TEMP_TYPE 0x6B
#define F71882FG_REG_TEMP_DIODE_OPEN 0x6F
@ -92,9 +95,10 @@ static unsigned short force_id;
module_param(force_id, ushort, 0);
MODULE_PARM_DESC(force_id, "Override the detected device ID");
enum chips { f71862fg, f71882fg, f8000 };
enum chips { f71858fg, f71862fg, f71882fg, f8000 };
static const char *f71882fg_names[] = {
"f71858fg",
"f71862fg",
"f71882fg",
"f8000",
@ -119,6 +123,7 @@ struct f71882fg_data {
struct device *hwmon_dev;
struct mutex update_lock;
int temp_start; /* temp numbering start (0 or 1) */
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
unsigned long last_limits; /* In jiffies */
@ -136,7 +141,7 @@ struct f71882fg_data {
/* Note: all models have only 3 temperature channels, but on some
they are addressed as 0-2 and on others as 1-3, so for coding
convenience we reserve space for 4 channels */
u8 temp[4];
u16 temp[4];
u8 temp_ovt[4];
u8 temp_high[4];
u8 temp_hyst[2]; /* 2 hysts stored per reg */
@ -144,6 +149,7 @@ struct f71882fg_data {
u8 temp_status;
u8 temp_beep;
u8 temp_diode_open;
u8 temp_config;
u8 pwm[4];
u8 pwm_enable;
u8 pwm_auto_point_hyst[2];
@ -252,6 +258,50 @@ static struct platform_driver f71882fg_driver = {
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
/* Temp and in attr for the f71858fg */
static struct sensor_device_attribute_2 f71858fg_in_temp_attr[] = {
SENSOR_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0),
SENSOR_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 0, 1),
SENSOR_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 0, 2),
SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
store_temp_max, 0, 0),
SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
store_temp_max_hyst, 0, 0),
SENSOR_ATTR_2(temp1_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 0),
SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
store_temp_crit, 0, 0),
SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
0, 0),
SENSOR_ATTR_2(temp1_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 4),
SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 0),
SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 1),
SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
store_temp_max, 0, 1),
SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
store_temp_max_hyst, 0, 1),
SENSOR_ATTR_2(temp2_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
store_temp_crit, 0, 1),
SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
0, 1),
SENSOR_ATTR_2(temp2_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
SENSOR_ATTR_2(temp2_type, S_IRUGO, show_temp_type, NULL, 0, 1),
SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 2),
SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
store_temp_max, 0, 2),
SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
store_temp_max_hyst, 0, 2),
SENSOR_ATTR_2(temp3_max_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2),
SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
store_temp_crit, 0, 2),
SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
0, 2),
SENSOR_ATTR_2(temp3_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
};
/* Temp and in attr common to both the f71862fg and f71882fg */
static struct sensor_device_attribute_2 f718x2fg_in_temp_attr[] = {
SENSOR_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0),
@ -476,22 +526,8 @@ static struct sensor_device_attribute_2 f71862fg_fan_attr[] = {
show_pwm_auto_point_temp_hyst, NULL, 3, 2),
};
/* Fan / PWM attr for the f71882fg */
static struct sensor_device_attribute_2 f71882fg_fan_attr[] = {
SENSOR_ATTR_2(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep,
store_fan_beep, 0, 0),
SENSOR_ATTR_2(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep,
store_fan_beep, 0, 1),
SENSOR_ATTR_2(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep,
store_fan_beep, 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),
/* Fan / PWM attr common to both the f71882fg and f71858fg */
static struct sensor_device_attribute_2 f71882fg_f71858fg_fan_attr[] = {
SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
0, 0),
@ -605,6 +641,24 @@ static struct sensor_device_attribute_2 f71882fg_fan_attr[] = {
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),
};
/* Fan / PWM attr found on the f71882fg but not on the f71858fg */
static struct sensor_device_attribute_2 f71882fg_fan_attr[] = {
SENSOR_ATTR_2(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep,
store_fan_beep, 0, 0),
SENSOR_ATTR_2(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep,
store_fan_beep, 0, 1),
SENSOR_ATTR_2(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep,
store_fan_beep, 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(pwm4, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 3),
SENSOR_ATTR_2(pwm4_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
@ -855,13 +909,20 @@ static void f71882fg_write16(struct f71882fg_data *data, u8 reg, u16 val)
outb(val & 255, data->addr + DATA_REG_OFFSET);
}
static u16 f71882fg_read_temp(struct f71882fg_data *data, int nr)
{
if (data->type == f71858fg)
return f71882fg_read16(data, F71882FG_REG_TEMP(nr));
else
return f71882fg_read8(data, F71882FG_REG_TEMP(nr));
}
static struct f71882fg_data *f71882fg_update_device(struct device *dev)
{
struct f71882fg_data *data = dev_get_drvdata(dev);
int nr, reg = 0, reg2;
int nr_fans = (data->type == f71882fg) ? 4 : 3;
int nr_ins = (data->type == f8000) ? 3 : 9;
int temp_start = (data->type == f8000) ? 0 : 1;
int nr_ins = (data->type == f71858fg || data->type == f8000) ? 3 : 9;
mutex_lock(&data->update_lock);
@ -876,7 +937,7 @@ static struct f71882fg_data *f71882fg_update_device(struct device *dev)
}
/* Get High & boundary temps*/
for (nr = temp_start; nr < 3 + temp_start; nr++) {
for (nr = data->temp_start; nr < 3 + data->temp_start; nr++) {
data->temp_ovt[nr] = f71882fg_read8(data,
F71882FG_REG_TEMP_OVT(nr));
data->temp_high[nr] = f71882fg_read8(data,
@ -884,14 +945,17 @@ static struct f71882fg_data *f71882fg_update_device(struct device *dev)
}
if (data->type != f8000) {
data->fan_beep = f71882fg_read8(data,
F71882FG_REG_FAN_BEEP);
data->temp_beep = f71882fg_read8(data,
F71882FG_REG_TEMP_BEEP);
data->temp_hyst[0] = f71882fg_read8(data,
F71882FG_REG_TEMP_HYST(0));
data->temp_hyst[1] = f71882fg_read8(data,
F71882FG_REG_TEMP_HYST(1));
}
if (data->type == f71862fg || data->type == f71882fg) {
data->fan_beep = f71882fg_read8(data,
F71882FG_REG_FAN_BEEP);
data->temp_beep = f71882fg_read8(data,
F71882FG_REG_TEMP_BEEP);
/* Have to hardcode type, because temp1 is special */
reg = f71882fg_read8(data, F71882FG_REG_TEMP_TYPE);
data->temp_type[2] = (reg & 0x04) ? 2 : 4;
@ -902,10 +966,10 @@ static struct f71882fg_data *f71882fg_update_device(struct device *dev)
data->temp_type[1] = 6 /* PECI */;
else if ((reg2 & 0x03) == 0x02)
data->temp_type[1] = 5 /* AMDSI */;
else if (data->type != f8000)
else if (data->type == f71862fg || data->type == f71882fg)
data->temp_type[1] = (reg & 0x02) ? 2 : 4;
else
data->temp_type[1] = 2; /* F8000 only supports BJT */
data->temp_type[1] = 2; /* Only supports BJT */
data->pwm_enable = f71882fg_read8(data,
F71882FG_REG_PWM_ENABLE);
@ -961,9 +1025,8 @@ static struct f71882fg_data *f71882fg_update_device(struct device *dev)
F71882FG_REG_TEMP_STATUS);
data->temp_diode_open = f71882fg_read8(data,
F71882FG_REG_TEMP_DIODE_OPEN);
for (nr = temp_start; nr < 3 + temp_start; nr++)
data->temp[nr] = f71882fg_read8(data,
F71882FG_REG_TEMP(nr));
for (nr = data->temp_start; nr < 3 + data->temp_start; nr++)
data->temp[nr] = f71882fg_read_temp(data, nr);
data->fan_status = f71882fg_read8(data,
F71882FG_REG_FAN_STATUS);
@ -1166,8 +1229,24 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
{
struct f71882fg_data *data = f71882fg_update_device(dev);
int nr = to_sensor_dev_attr_2(devattr)->index;
int sign, temp;
return sprintf(buf, "%d\n", data->temp[nr] * 1000);
if (data->type == f71858fg) {
/* TEMP_TABLE_SEL 1 or 3 ? */
if (data->temp_config & 1) {
sign = data->temp[nr] & 0x0001;
temp = (data->temp[nr] >> 5) & 0x7ff;
} else {
sign = data->temp[nr] & 0x8000;
temp = (data->temp[nr] >> 5) & 0x3ff;
}
temp *= 125;
if (sign)
temp -= 128000;
} else
temp = data->temp[nr] * 1000;
return sprintf(buf, "%d\n", temp);
}
static ssize_t show_temp_max(struct device *dev, struct device_attribute
@ -1460,6 +1539,12 @@ static ssize_t store_pwm_enable(struct device *dev, struct device_attribute
} else {
switch (val) {
case 1:
/* The f71858fg does not support manual RPM mode */
if (data->type == f71858fg &&
((data->pwm_enable >> (2 * nr)) & 1)) {
count = -EINVAL;
goto leave;
}
data->pwm_enable |= 2 << (2 * nr);
break; /* Manual */
case 2:
@ -1618,9 +1703,9 @@ static ssize_t show_pwm_auto_point_channel(struct device *dev,
int result;
struct f71882fg_data *data = f71882fg_update_device(dev);
int nr = to_sensor_dev_attr_2(devattr)->index;
int temp_start = (data->type == f8000) ? 0 : 1;
result = 1 << ((data->pwm_auto_point_mapping[nr] & 3) - temp_start);
result = 1 << ((data->pwm_auto_point_mapping[nr] & 3) -
data->temp_start);
return sprintf(buf, "%d\n", result);
}
@ -1631,7 +1716,6 @@ static ssize_t store_pwm_auto_point_channel(struct device *dev,
{
struct f71882fg_data *data = dev_get_drvdata(dev);
int nr = to_sensor_dev_attr_2(devattr)->index;
int temp_start = (data->type == f8000) ? 0 : 1;
long val = simple_strtol(buf, NULL, 10);
switch (val) {
@ -1647,7 +1731,7 @@ static ssize_t store_pwm_auto_point_channel(struct device *dev,
default:
return -EINVAL;
}
val += temp_start;
val += data->temp_start;
mutex_lock(&data->update_lock);
data->pwm_auto_point_mapping[nr] =
f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(nr));
@ -1723,6 +1807,8 @@ static int __devinit f71882fg_probe(struct platform_device *pdev)
data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
data->type = sio_data->type;
data->temp_start =
(data->type == f71858fg || data->type == f8000) ? 0 : 1;
mutex_init(&data->update_lock);
platform_set_drvdata(pdev, data);
@ -1745,6 +1831,20 @@ static int __devinit f71882fg_probe(struct platform_device *pdev)
if (start_reg & 0x01) {
switch (data->type) {
case f71858fg:
data->temp_config =
f71882fg_read8(data, F71882FG_REG_TEMP_CONFIG);
if (data->temp_config & 0x10)
/* The f71858fg temperature alarms behave as
the f8000 alarms in this mode */
err = f71882fg_create_sysfs_files(pdev,
f8000_in_temp_attr,
ARRAY_SIZE(f8000_in_temp_attr));
else
err = f71882fg_create_sysfs_files(pdev,
f71858fg_in_temp_attr,
ARRAY_SIZE(f71858fg_in_temp_attr));
break;
case f71882fg:
err = f71882fg_create_sysfs_files(pdev,
f71882fg_in_temp_attr,
@ -1773,6 +1873,12 @@ static int __devinit f71882fg_probe(struct platform_device *pdev)
/* Sanity check the pwm settings */
switch (data->type) {
case f71858fg:
err = 0;
for (i = 0; i < nr_fans; i++)
if (((data->pwm_enable >> (i * 2)) & 3) == 3)
err = 1;
break;
case f71862fg:
err = (data->pwm_enable & 0x15) != 0x15;
break;
@ -1806,6 +1912,13 @@ static int __devinit f71882fg_probe(struct platform_device *pdev)
err = f71882fg_create_sysfs_files(pdev,
f71882fg_fan_attr,
ARRAY_SIZE(f71882fg_fan_attr));
if (err)
goto exit_unregister_sysfs;
/* fall through! */
case f71858fg:
err = f71882fg_create_sysfs_files(pdev,
f71882fg_f71858fg_fan_attr,
ARRAY_SIZE(f71882fg_f71858fg_fan_attr));
break;
case f8000:
err = f71882fg_create_sysfs_files(pdev,
@ -1890,6 +2003,9 @@ static int __init f71882fg_find(int sioaddr, unsigned short *address,
devid = force_id ? force_id : superio_inw(sioaddr, SIO_REG_DEVID);
switch (devid) {
case SIO_F71858_ID:
sio_data->type = f71858fg;
break;
case SIO_F71862_ID:
sio_data->type = f71862fg;
break;
@ -1904,7 +2020,11 @@ static int __init f71882fg_find(int sioaddr, unsigned short *address,
goto exit;
}
superio_select(sioaddr, SIO_F71882FG_LD_HWM);
if (sio_data->type == f71858fg)
superio_select(sioaddr, SIO_F71858FG_LD_HWM);
else
superio_select(sioaddr, SIO_F71882FG_LD_HWM);
if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
printk(KERN_WARNING DRVNAME ": Device not activated\n");
goto exit;