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path: root/drivers/hwmon/f71805f.c
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Diffstat (limited to 'drivers/hwmon/f71805f.c')
-rw-r--r--drivers/hwmon/f71805f.c230
1 files changed, 187 insertions, 43 deletions
diff --git a/drivers/hwmon/f71805f.c b/drivers/hwmon/f71805f.c
index 975c1cc2acf..ba5e7b70f8c 100644
--- a/drivers/hwmon/f71805f.c
+++ b/drivers/hwmon/f71805f.c
@@ -1,12 +1,15 @@
/*
- * f71805f.c - driver for the Fintek F71805F/FG Super-I/O chip integrated
- * hardware monitoring features
+ * f71805f.c - driver for the Fintek F71805F/FG and F71872F/FG Super-I/O
+ * chips integrated hardware monitoring features
* Copyright (C) 2005-2006 Jean Delvare <khali@linux-fr.org>
*
* The F71805F/FG is a LPC Super-I/O chip made by Fintek. It integrates
* complete hardware monitoring features: voltage, fan and temperature
* sensors, and manual and automatic fan speed control.
*
+ * The F71872F/FG is almost the same, with two more voltages monitored,
+ * and 6 VID inputs.
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
@@ -37,6 +40,7 @@
static struct platform_device *pdev;
#define DRVNAME "f71805f"
+enum kinds { f71805f, f71872f };
/*
* Super-I/O constants and functions
@@ -48,11 +52,13 @@ static struct platform_device *pdev;
#define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */
#define SIO_REG_DEVREV 0x22 /* Device revision */
#define SIO_REG_MANID 0x23 /* Fintek ID (2 bytes) */
+#define SIO_REG_FNSEL1 0x29 /* Multi Function Select 1 (F71872F) */
#define SIO_REG_ENABLE 0x30 /* Logical device enable */
#define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */
#define SIO_FINTEK_ID 0x1934
#define SIO_F71805F_ID 0x0406
+#define SIO_F71872F_ID 0x0341
static inline int
superio_inb(int base, int reg)
@@ -104,10 +110,10 @@ superio_exit(int base)
* Registers
*/
-/* in nr from 0 to 8 (8-bit values) */
+/* in nr from 0 to 10 (8-bit values) */
#define F71805F_REG_IN(nr) (0x10 + (nr))
-#define F71805F_REG_IN_HIGH(nr) (0x40 + 2 * (nr))
-#define F71805F_REG_IN_LOW(nr) (0x41 + 2 * (nr))
+#define F71805F_REG_IN_HIGH(nr) ((nr) < 10 ? 0x40 + 2 * (nr) : 0x2E)
+#define F71805F_REG_IN_LOW(nr) ((nr) < 10 ? 0x41 + 2 * (nr) : 0x2F)
/* fan nr from 0 to 2 (12-bit values, two registers) */
#define F71805F_REG_FAN(nr) (0x20 + 2 * (nr))
#define F71805F_REG_FAN_LOW(nr) (0x28 + 2 * (nr))
@@ -150,9 +156,10 @@ struct f71805f_data {
unsigned long last_limits; /* In jiffies */
/* Register values */
- u8 in[9];
- u8 in_high[9];
- u8 in_low[9];
+ u8 in[11];
+ u8 in_high[11];
+ u8 in_low[11];
+ u16 has_in;
u16 fan[3];
u16 fan_low[3];
u16 fan_target[3];
@@ -166,6 +173,11 @@ struct f71805f_data {
unsigned long alarms;
};
+struct f71805f_sio_data {
+ enum kinds kind;
+ u8 fnsel1;
+};
+
static inline long in_from_reg(u8 reg)
{
return (reg * 8);
@@ -316,7 +328,9 @@ static struct f71805f_data *f71805f_update_device(struct device *dev)
/* Limit registers cache is refreshed after 60 seconds */
if (time_after(jiffies, data->last_updated + 60 * HZ)
|| !data->valid) {
- for (nr = 0; nr < 9; nr++) {
+ for (nr = 0; nr < 11; nr++) {
+ if (!(data->has_in & (1 << nr)))
+ continue;
data->in_high[nr] = f71805f_read8(data,
F71805F_REG_IN_HIGH(nr));
data->in_low[nr] = f71805f_read8(data,
@@ -346,7 +360,9 @@ static struct f71805f_data *f71805f_update_device(struct device *dev)
/* Measurement registers cache is refreshed after 1 second */
if (time_after(jiffies, data->last_updated + HZ)
|| !data->valid) {
- for (nr = 0; nr < 9; nr++) {
+ for (nr = 0; nr < 11; nr++) {
+ if (!(data->has_in & (1 << nr)))
+ continue;
data->in[nr] = f71805f_read8(data,
F71805F_REG_IN(nr));
}
@@ -385,35 +401,43 @@ static ssize_t show_in0(struct device *dev, struct device_attribute *devattr,
char *buf)
{
struct f71805f_data *data = f71805f_update_device(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ int nr = attr->index;
- return sprintf(buf, "%ld\n", in0_from_reg(data->in[0]));
+ return sprintf(buf, "%ld\n", in0_from_reg(data->in[nr]));
}
static ssize_t show_in0_max(struct device *dev, struct device_attribute
*devattr, char *buf)
{
struct f71805f_data *data = f71805f_update_device(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ int nr = attr->index;
- return sprintf(buf, "%ld\n", in0_from_reg(data->in_high[0]));
+ return sprintf(buf, "%ld\n", in0_from_reg(data->in_high[nr]));
}
static ssize_t show_in0_min(struct device *dev, struct device_attribute
*devattr, char *buf)
{
struct f71805f_data *data = f71805f_update_device(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ int nr = attr->index;
- return sprintf(buf, "%ld\n", in0_from_reg(data->in_low[0]));
+ return sprintf(buf, "%ld\n", in0_from_reg(data->in_low[nr]));
}
static ssize_t set_in0_max(struct device *dev, struct device_attribute
*devattr, const char *buf, size_t count)
{
struct f71805f_data *data = dev_get_drvdata(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ int nr = attr->index;
long val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
- data->in_high[0] = in0_to_reg(val);
- f71805f_write8(data, F71805F_REG_IN_HIGH(0), data->in_high[0]);
+ data->in_high[nr] = in0_to_reg(val);
+ f71805f_write8(data, F71805F_REG_IN_HIGH(nr), data->in_high[nr]);
mutex_unlock(&data->update_lock);
return count;
@@ -423,11 +447,13 @@ static ssize_t set_in0_min(struct device *dev, struct device_attribute
*devattr, const char *buf, size_t count)
{
struct f71805f_data *data = dev_get_drvdata(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ int nr = attr->index;
long val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
- data->in_low[0] = in0_to_reg(val);
- f71805f_write8(data, F71805F_REG_IN_LOW(0), data->in_low[0]);
+ data->in_low[nr] = in0_to_reg(val);
+ f71805f_write8(data, F71805F_REG_IN_LOW(nr), data->in_low[nr]);
mutex_unlock(&data->update_lock);
return count;
@@ -770,7 +796,7 @@ static ssize_t show_alarms_in(struct device *dev, struct device_attribute
{
struct f71805f_data *data = f71805f_update_device(dev);
- return sprintf(buf, "%lu\n", data->alarms & 0x1ff);
+ return sprintf(buf, "%lu\n", data->alarms & 0x7ff);
}
static ssize_t show_alarms_fan(struct device *dev, struct device_attribute
@@ -807,9 +833,11 @@ static ssize_t show_name(struct device *dev, struct device_attribute
return sprintf(buf, "%s\n", data->name);
}
-static DEVICE_ATTR(in0_input, S_IRUGO, show_in0, NULL);
-static DEVICE_ATTR(in0_max, S_IRUGO| S_IWUSR, show_in0_max, set_in0_max);
-static DEVICE_ATTR(in0_min, S_IRUGO| S_IWUSR, show_in0_min, set_in0_min);
+static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in0, NULL, 0);
+static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO| S_IWUSR,
+ show_in0_max, set_in0_max, 0);
+static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO| S_IWUSR,
+ show_in0_min, set_in0_min, 0);
static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1);
static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO | S_IWUSR,
show_in_max, set_in_max, 1);
@@ -850,6 +878,16 @@ static SENSOR_DEVICE_ATTR(in8_max, S_IRUGO | S_IWUSR,
show_in_max, set_in_max, 8);
static SENSOR_DEVICE_ATTR(in8_min, S_IRUGO | S_IWUSR,
show_in_min, set_in_min, 8);
+static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_in0, NULL, 9);
+static SENSOR_DEVICE_ATTR(in9_max, S_IRUGO | S_IWUSR,
+ show_in0_max, set_in0_max, 9);
+static SENSOR_DEVICE_ATTR(in9_min, S_IRUGO | S_IWUSR,
+ show_in0_min, set_in0_min, 9);
+static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_in0, NULL, 10);
+static SENSOR_DEVICE_ATTR(in10_max, S_IRUGO | S_IWUSR,
+ show_in0_max, set_in0_max, 10);
+static SENSOR_DEVICE_ATTR(in10_min, S_IRUGO | S_IWUSR,
+ show_in0_min, set_in0_min, 10);
static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0);
static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR,
@@ -916,6 +954,8 @@ static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 5);
static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6);
static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 7);
static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 8);
+static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 9);
+static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 10);
static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 11);
static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 12);
static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
@@ -929,9 +969,9 @@ static DEVICE_ATTR(alarms_temp, S_IRUGO, show_alarms_temp, NULL);
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
static struct attribute *f71805f_attributes[] = {
- &dev_attr_in0_input.attr,
- &dev_attr_in0_max.attr,
- &dev_attr_in0_min.attr,
+ &sensor_dev_attr_in0_input.dev_attr.attr,
+ &sensor_dev_attr_in0_max.dev_attr.attr,
+ &sensor_dev_attr_in0_min.dev_attr.attr,
&sensor_dev_attr_in1_input.dev_attr.attr,
&sensor_dev_attr_in1_max.dev_attr.attr,
&sensor_dev_attr_in1_min.dev_attr.attr,
@@ -941,9 +981,6 @@ static struct attribute *f71805f_attributes[] = {
&sensor_dev_attr_in3_input.dev_attr.attr,
&sensor_dev_attr_in3_max.dev_attr.attr,
&sensor_dev_attr_in3_min.dev_attr.attr,
- &sensor_dev_attr_in4_input.dev_attr.attr,
- &sensor_dev_attr_in4_max.dev_attr.attr,
- &sensor_dev_attr_in4_min.dev_attr.attr,
&sensor_dev_attr_in5_input.dev_attr.attr,
&sensor_dev_attr_in5_max.dev_attr.attr,
&sensor_dev_attr_in5_min.dev_attr.attr,
@@ -953,9 +990,6 @@ static struct attribute *f71805f_attributes[] = {
&sensor_dev_attr_in7_input.dev_attr.attr,
&sensor_dev_attr_in7_max.dev_attr.attr,
&sensor_dev_attr_in7_min.dev_attr.attr,
- &sensor_dev_attr_in8_input.dev_attr.attr,
- &sensor_dev_attr_in8_max.dev_attr.attr,
- &sensor_dev_attr_in8_min.dev_attr.attr,
&sensor_dev_attr_temp1_input.dev_attr.attr,
&sensor_dev_attr_temp1_max.dev_attr.attr,
@@ -974,11 +1008,9 @@ static struct attribute *f71805f_attributes[] = {
&sensor_dev_attr_in1_alarm.dev_attr.attr,
&sensor_dev_attr_in2_alarm.dev_attr.attr,
&sensor_dev_attr_in3_alarm.dev_attr.attr,
- &sensor_dev_attr_in4_alarm.dev_attr.attr,
&sensor_dev_attr_in5_alarm.dev_attr.attr,
&sensor_dev_attr_in6_alarm.dev_attr.attr,
&sensor_dev_attr_in7_alarm.dev_attr.attr,
- &sensor_dev_attr_in8_alarm.dev_attr.attr,
&dev_attr_alarms_in.attr,
&sensor_dev_attr_temp1_alarm.dev_attr.attr,
&sensor_dev_attr_temp2_alarm.dev_attr.attr,
@@ -994,6 +1026,41 @@ static const struct attribute_group f71805f_group = {
.attrs = f71805f_attributes,
};
+static struct attribute *f71805f_attributes_optin[4][5] = {
+ {
+ &sensor_dev_attr_in4_input.dev_attr.attr,
+ &sensor_dev_attr_in4_max.dev_attr.attr,
+ &sensor_dev_attr_in4_min.dev_attr.attr,
+ &sensor_dev_attr_in4_alarm.dev_attr.attr,
+ NULL
+ }, {
+ &sensor_dev_attr_in8_input.dev_attr.attr,
+ &sensor_dev_attr_in8_max.dev_attr.attr,
+ &sensor_dev_attr_in8_min.dev_attr.attr,
+ &sensor_dev_attr_in8_alarm.dev_attr.attr,
+ NULL
+ }, {
+ &sensor_dev_attr_in9_input.dev_attr.attr,
+ &sensor_dev_attr_in9_max.dev_attr.attr,
+ &sensor_dev_attr_in9_min.dev_attr.attr,
+ &sensor_dev_attr_in9_alarm.dev_attr.attr,
+ NULL
+ }, {
+ &sensor_dev_attr_in10_input.dev_attr.attr,
+ &sensor_dev_attr_in10_max.dev_attr.attr,
+ &sensor_dev_attr_in10_min.dev_attr.attr,
+ &sensor_dev_attr_in10_alarm.dev_attr.attr,
+ NULL
+ }
+};
+
+static const struct attribute_group f71805f_group_optin[4] = {
+ { .attrs = f71805f_attributes_optin[0] },
+ { .attrs = f71805f_attributes_optin[1] },
+ { .attrs = f71805f_attributes_optin[2] },
+ { .attrs = f71805f_attributes_optin[3] },
+};
+
static struct attribute *f71805f_attributes_fan[3][8] = {
{
&sensor_dev_attr_fan1_input.dev_attr.attr,
@@ -1084,10 +1151,16 @@ static void __devinit f71805f_init_device(struct f71805f_data *data)
static int __devinit f71805f_probe(struct platform_device *pdev)
{
+ struct f71805f_sio_data *sio_data = pdev->dev.platform_data;
struct f71805f_data *data;
struct resource *res;
int i, err;
+ static const char *names[] = {
+ "f71805f",
+ "f71872f",
+ };
+
if (!(data = kzalloc(sizeof(struct f71805f_data), GFP_KERNEL))) {
err = -ENOMEM;
printk(KERN_ERR DRVNAME ": Out of memory\n");
@@ -1097,17 +1170,51 @@ static int __devinit f71805f_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
data->addr = res->start;
mutex_init(&data->lock);
- data->name = "f71805f";
+ data->name = names[sio_data->kind];
mutex_init(&data->update_lock);
platform_set_drvdata(pdev, data);
+ /* Some voltage inputs depend on chip model and configuration */
+ switch (sio_data->kind) {
+ case f71805f:
+ data->has_in = 0x1ff;
+ break;
+ case f71872f:
+ data->has_in = 0x6ef;
+ if (sio_data->fnsel1 & 0x01)
+ data->has_in |= (1 << 4); /* in4 */
+ if (sio_data->fnsel1 & 0x02)
+ data->has_in |= (1 << 8); /* in8 */
+ break;
+ }
+
/* Initialize the F71805F chip */
f71805f_init_device(data);
/* Register sysfs interface files */
if ((err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group)))
goto exit_free;
+ if (data->has_in & (1 << 4)) { /* in4 */
+ if ((err = sysfs_create_group(&pdev->dev.kobj,
+ &f71805f_group_optin[0])))
+ goto exit_remove_files;
+ }
+ if (data->has_in & (1 << 8)) { /* in8 */
+ if ((err = sysfs_create_group(&pdev->dev.kobj,
+ &f71805f_group_optin[1])))
+ goto exit_remove_files;
+ }
+ if (data->has_in & (1 << 9)) { /* in9 (F71872F/FG only) */
+ if ((err = sysfs_create_group(&pdev->dev.kobj,
+ &f71805f_group_optin[2])))
+ goto exit_remove_files;
+ }
+ if (data->has_in & (1 << 10)) { /* in9 (F71872F/FG only) */
+ if ((err = sysfs_create_group(&pdev->dev.kobj,
+ &f71805f_group_optin[3])))
+ goto exit_remove_files;
+ }
for (i = 0; i < 3; i++) {
if (data->fan_ctrl[i] & FAN_CTRL_SKIP)
continue;
@@ -1143,6 +1250,8 @@ static int __devinit f71805f_probe(struct platform_device *pdev)
exit_remove_files:
sysfs_remove_group(&pdev->dev.kobj, &f71805f_group);
+ for (i = 0; i < 4; i++)
+ sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_optin[i]);
for (i = 0; i < 3; i++)
sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_fan[i]);
sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_pwm_freq);
@@ -1161,6 +1270,8 @@ static int __devexit f71805f_remove(struct platform_device *pdev)
platform_set_drvdata(pdev, NULL);
hwmon_device_unregister(data->class_dev);
sysfs_remove_group(&pdev->dev.kobj, &f71805f_group);
+ for (i = 0; i < 4; i++)
+ sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_optin[i]);
for (i = 0; i < 3; i++)
sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_fan[i]);
sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_pwm_freq);
@@ -1178,7 +1289,8 @@ static struct platform_driver f71805f_driver = {
.remove = __devexit_p(f71805f_remove),
};
-static int __init f71805f_device_add(unsigned short address)
+static int __init f71805f_device_add(unsigned short address,
+ const struct f71805f_sio_data *sio_data)
{
struct resource res = {
.start = address,
@@ -1202,26 +1314,45 @@ static int __init f71805f_device_add(unsigned short address)
goto exit_device_put;
}
+ pdev->dev.platform_data = kmalloc(sizeof(struct f71805f_sio_data),
+ GFP_KERNEL);
+ if (!pdev->dev.platform_data) {
+ err = -ENOMEM;
+ printk(KERN_ERR DRVNAME ": Platform data allocation failed\n");
+ goto exit_device_put;
+ }
+ memcpy(pdev->dev.platform_data, sio_data,
+ sizeof(struct f71805f_sio_data));
+
err = platform_device_add(pdev);
if (err) {
printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n",
err);
- goto exit_device_put;
+ goto exit_kfree_data;
}
return 0;
+exit_kfree_data:
+ kfree(pdev->dev.platform_data);
+ pdev->dev.platform_data = NULL;
exit_device_put:
platform_device_put(pdev);
exit:
return err;
}
-static int __init f71805f_find(int sioaddr, unsigned short *address)
+static int __init f71805f_find(int sioaddr, unsigned short *address,
+ struct f71805f_sio_data *sio_data)
{
int err = -ENODEV;
u16 devid;
+ static const char *names[] = {
+ "F71805F/FG",
+ "F71872F/FG",
+ };
+
superio_enter(sioaddr);
devid = superio_inw(sioaddr, SIO_REG_MANID);
@@ -1229,7 +1360,15 @@ static int __init f71805f_find(int sioaddr, unsigned short *address)
goto exit;
devid = superio_inw(sioaddr, SIO_REG_DEVID);
- if (devid != SIO_F71805F_ID) {
+ switch (devid) {
+ case SIO_F71805F_ID:
+ sio_data->kind = f71805f;
+ break;
+ case SIO_F71872F_ID:
+ sio_data->kind = f71872f;
+ sio_data->fnsel1 = superio_inb(sioaddr, SIO_REG_FNSEL1);
+ break;
+ default:
printk(KERN_INFO DRVNAME ": Unsupported Fintek device, "
"skipping\n");
goto exit;
@@ -1250,8 +1389,9 @@ static int __init f71805f_find(int sioaddr, unsigned short *address)
}
err = 0;
- printk(KERN_INFO DRVNAME ": Found F71805F chip at %#x, revision %u\n",
- *address, superio_inb(sioaddr, SIO_REG_DEVREV));
+ printk(KERN_INFO DRVNAME ": Found %s chip at %#x, revision %u\n",
+ names[sio_data->kind], *address,
+ superio_inb(sioaddr, SIO_REG_DEVREV));
exit:
superio_exit(sioaddr);
@@ -1262,9 +1402,10 @@ static int __init f71805f_init(void)
{
int err;
unsigned short address;
+ struct f71805f_sio_data sio_data;
- if (f71805f_find(0x2e, &address)
- && f71805f_find(0x4e, &address))
+ if (f71805f_find(0x2e, &address, &sio_data)
+ && f71805f_find(0x4e, &address, &sio_data))
return -ENODEV;
err = platform_driver_register(&f71805f_driver);
@@ -1272,7 +1413,7 @@ static int __init f71805f_init(void)
goto exit;
/* Sets global pdev as a side effect */
- err = f71805f_device_add(address);
+ err = f71805f_device_add(address, &sio_data);
if (err)
goto exit_driver;
@@ -1286,13 +1427,16 @@ exit:
static void __exit f71805f_exit(void)
{
+ kfree(pdev->dev.platform_data);
+ pdev->dev.platform_data = NULL;
platform_device_unregister(pdev);
+
platform_driver_unregister(&f71805f_driver);
}
MODULE_AUTHOR("Jean Delvare <khali@linux-fr>");
MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("F71805F hardware monitoring driver");
+MODULE_DESCRIPTION("F71805F/F71872F hardware monitoring driver");
module_init(f71805f_init);
module_exit(f71805f_exit);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-04 09:32:48 +0000