hwmon: Add individual alarm files to 4 drivers

hwmon: Add individual alarm files to 4 drivers

Add individual sysfs files for all f71805f, lm63, lm83 and lm90 alarm
and fault conditions. This is a requirement for the planned
chip-independent libsensors. Almost all other hwmon drivers will need
the same improvement.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/hwmon/f71805f.c

@@ -1,7 +1,7 @@
 /*
  * f71805f.c - driver for the Fintek F71805F/FG Super-I/O chip integrated
  *             hardware monitoring features
- * Copyright (C) 2005  Jean Delvare <khali@linux-fr.org>
+ * 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
@@ -147,7 +147,7 @@ struct f71805f_data {
 	u8 temp_high[3];
 	u8 temp_hyst[3];
 	u8 temp_mode;
-	u8 alarms[3];
+	unsigned long alarms;
 };
 
 static inline long in_from_reg(u8 reg)
@@ -311,10 +311,9 @@ static struct f71805f_data *f71805f_update_device(struct device *dev)
 			data->temp[nr] = f71805f_read8(data,
 					 F71805F_REG_TEMP(nr));
 		}
-		for (nr = 0; nr < 3; nr++) {
-			data->alarms[nr] = f71805f_read8(data,
-					   F71805F_REG_STATUS(nr));
-		}
+		data->alarms = f71805f_read8(data, F71805F_REG_STATUS(0))
+			+ (f71805f_read8(data, F71805F_REG_STATUS(1)) << 8)
+			+ (f71805f_read8(data, F71805F_REG_STATUS(2)) << 16);
 
 		data->last_updated = jiffies;
 		data->valid = 1;
@@ -557,8 +556,7 @@ static ssize_t show_alarms_in(struct device *dev, struct device_attribute
 {
 	struct f71805f_data *data = f71805f_update_device(dev);
 
-	return sprintf(buf, "%d\n", data->alarms[0] |
-				    ((data->alarms[1] & 0x01) << 8));
+	return sprintf(buf, "%lu\n", data->alarms & 0x1ff);
 }
 
 static ssize_t show_alarms_fan(struct device *dev, struct device_attribute
@@ -566,7 +564,7 @@ static ssize_t show_alarms_fan(struct device *dev, struct device_attribute
 {
 	struct f71805f_data *data = f71805f_update_device(dev);
 
-	return sprintf(buf, "%d\n", data->alarms[2] & 0x07);
+	return sprintf(buf, "%lu\n", (data->alarms >> 16) & 0x07);
 }
 
 static ssize_t show_alarms_temp(struct device *dev, struct device_attribute
@@ -574,7 +572,17 @@ static ssize_t show_alarms_temp(struct device *dev, struct device_attribute
 {
 	struct f71805f_data *data = f71805f_update_device(dev);
 
-	return sprintf(buf, "%d\n", (data->alarms[1] >> 3) & 0x07);
+	return sprintf(buf, "%lu\n", (data->alarms >> 11) & 0x07);
+}
+
+static ssize_t show_alarm(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 bitnr = attr->index;
+
+	return sprintf(buf, "%lu\n", (data->alarms >> bitnr) & 1);
 }
 
 static ssize_t show_name(struct device *dev, struct device_attribute
@@ -655,18 +663,34 @@ static struct sensor_device_attribute f71805f_sensor_attr[] = {
 	SENSOR_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR,
 		    show_temp_hyst, set_temp_hyst, 2),
 	SENSOR_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2),
+
+	SENSOR_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0),
+	SENSOR_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1),
+	SENSOR_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2),
+	SENSOR_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3),
+	SENSOR_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 4),
+	SENSOR_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 5),
+	SENSOR_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6),
+	SENSOR_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 7),
+	SENSOR_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 8),
+	SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 11),
+	SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 12),
+	SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13),
 };
 
 static struct sensor_device_attribute f71805f_fan_attr[] = {
 	SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0),
 	SENSOR_ATTR(fan1_min, S_IRUGO | S_IWUSR,
 		    show_fan_min, set_fan_min, 0),
+	SENSOR_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16),
 	SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1),
 	SENSOR_ATTR(fan2_min, S_IRUGO | S_IWUSR,
 		    show_fan_min, set_fan_min, 1),
+	SENSOR_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17),
 	SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2),
 	SENSOR_ATTR(fan3_min, S_IRUGO | S_IWUSR,
 		    show_fan_min, set_fan_min, 2),
+	SENSOR_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18),
 };
 
 /*
@@ -737,7 +761,7 @@ static int __devinit f71805f_probe(struct platform_device *pdev)
 			goto exit_class;
 	}
 	for (i = 0; i < ARRAY_SIZE(f71805f_fan_attr); i++) {
-		if (!(data->fan_enabled & (1 << (i / 2))))
+		if (!(data->fan_enabled & (1 << (i / 3))))
 			continue;
 		err = device_create_file(&pdev->dev,
 					 &f71805f_fan_attr[i].dev_attr);

drivers/hwmon/lm63.c

@@ -1,7 +1,7 @@
 /*
  * lm63.c - driver for the National Semiconductor LM63 temperature sensor
  *          with integrated fan control
- * Copyright (C) 2004-2005  Jean Delvare <khali@linux-fr.org>
+ * Copyright (C) 2004-2006  Jean Delvare <khali@linux-fr.org>
  * Based on the lm90 driver.
  *
  * The LM63 is a sensor chip made by National Semiconductor. It measures
@@ -330,6 +330,16 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *dummy,
 	return sprintf(buf, "%u\n", data->alarms);
 }
 
+static ssize_t show_alarm(struct device *dev, struct device_attribute *devattr,
+			  char *buf)
+{
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+	struct lm63_data *data = lm63_update_device(dev);
+	int bitnr = attr->index;
+
+	return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
+}
+
 static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0);
 static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan,
 	set_fan, 1);
@@ -350,6 +360,14 @@ static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp8, NULL, 2);
 static DEVICE_ATTR(temp2_crit_hyst, S_IWUSR | S_IRUGO, show_temp2_crit_hyst,
 	set_temp2_crit_hyst);
 
+/* Individual alarm files */
+static SENSOR_DEVICE_ATTR(fan1_min_alarm, S_IRUGO, show_alarm, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_crit_alarm, S_IRUGO, show_alarm, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp2_input_fault, S_IRUGO, show_alarm, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp2_min_alarm, S_IRUGO, show_alarm, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO, show_alarm, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 6);
+/* Raw alarm file for compatibility */
 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
 
 /*
@@ -449,6 +467,8 @@ static int lm63_detect(struct i2c_adapter *adapter, int address, int kind)
 				   &sensor_dev_attr_fan1_input.dev_attr);
 		device_create_file(&new_client->dev,
 				   &sensor_dev_attr_fan1_min.dev_attr);
+		device_create_file(&new_client->dev,
+				   &sensor_dev_attr_fan1_min_alarm.dev_attr);
 	}
 	device_create_file(&new_client->dev, &dev_attr_pwm1);
 	device_create_file(&new_client->dev, &dev_attr_pwm1_enable);
@@ -465,6 +485,17 @@ static int lm63_detect(struct i2c_adapter *adapter, int address, int kind)
 	device_create_file(&new_client->dev,
 			   &sensor_dev_attr_temp2_crit.dev_attr);
 	device_create_file(&new_client->dev, &dev_attr_temp2_crit_hyst);
+
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp2_input_fault.dev_attr);
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp2_min_alarm.dev_attr);
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp1_max_alarm.dev_attr);
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp2_max_alarm.dev_attr);
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp2_crit_alarm.dev_attr);
 	device_create_file(&new_client->dev, &dev_attr_alarms);
 
 	return 0;

drivers/hwmon/lm83.c

@@ -1,7 +1,7 @@
 /*
  * lm83.c - Part of lm_sensors, Linux kernel modules for hardware
  *          monitoring
- * Copyright (C) 2003-2005  Jean Delvare <khali@linux-fr.org>
+ * Copyright (C) 2003-2006  Jean Delvare <khali@linux-fr.org>
  *
  * Heavily inspired from the lm78, lm75 and adm1021 drivers. The LM83 is
  * a sensor chip made by National Semiconductor. It reports up to four
@@ -191,6 +191,16 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *dummy,
 	return sprintf(buf, "%d\n", data->alarms);
 }
 
+static ssize_t show_alarm(struct device *dev, struct device_attribute
+			  *devattr, char *buf)
+{
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+	struct lm83_data *data = lm83_update_device(dev);
+	int bitnr = attr->index;
+
+	return sprintf(buf, "%d\n", (data->alarms >> bitnr) & 1);
+}
+
 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
 static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
 static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
@@ -208,6 +218,20 @@ static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp, NULL, 8);
 static SENSOR_DEVICE_ATTR(temp3_crit, S_IWUSR | S_IRUGO, show_temp,
 	set_temp, 8);
 static SENSOR_DEVICE_ATTR(temp4_crit, S_IRUGO, show_temp, NULL, 8);
+
+/* Individual alarm files */
+static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp3_crit_alarm, S_IRUGO, show_alarm, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp3_input_fault, S_IRUGO, show_alarm, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp3_max_alarm, S_IRUGO, show_alarm, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 6);
+static SENSOR_DEVICE_ATTR(temp2_crit_alarm, S_IRUGO, show_alarm, NULL, 8);
+static SENSOR_DEVICE_ATTR(temp4_crit_alarm, S_IRUGO, show_alarm, NULL, 9);
+static SENSOR_DEVICE_ATTR(temp4_input_fault, S_IRUGO, show_alarm, NULL, 10);
+static SENSOR_DEVICE_ATTR(temp4_max_alarm, S_IRUGO, show_alarm, NULL, 12);
+static SENSOR_DEVICE_ATTR(temp2_input_fault, S_IRUGO, show_alarm, NULL, 13);
+static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO, show_alarm, NULL, 15);
+/* Raw alarm file for compatibility */
 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
 
 /*
@@ -350,6 +374,16 @@ static int lm83_detect(struct i2c_adapter *adapter, int address, int kind)
 	device_create_file(&new_client->dev,
 			   &sensor_dev_attr_temp3_crit.dev_attr);
 
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp3_input_fault.dev_attr);
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp1_max_alarm.dev_attr);
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp3_max_alarm.dev_attr);
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp1_crit_alarm.dev_attr);
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp3_crit_alarm.dev_attr);
 	device_create_file(&new_client->dev, &dev_attr_alarms);
 
 	if (kind == lm83) {
@@ -367,6 +401,19 @@ static int lm83_detect(struct i2c_adapter *adapter, int address, int kind)
 				   &sensor_dev_attr_temp2_crit.dev_attr);
 		device_create_file(&new_client->dev,
 				   &sensor_dev_attr_temp4_crit.dev_attr);
+
+		device_create_file(&new_client->dev,
+				&sensor_dev_attr_temp2_input_fault.dev_attr);
+		device_create_file(&new_client->dev,
+				&sensor_dev_attr_temp4_input_fault.dev_attr);
+		device_create_file(&new_client->dev,
+				&sensor_dev_attr_temp2_max_alarm.dev_attr);
+		device_create_file(&new_client->dev,
+				&sensor_dev_attr_temp4_max_alarm.dev_attr);
+		device_create_file(&new_client->dev,
+				&sensor_dev_attr_temp2_crit_alarm.dev_attr);
+		device_create_file(&new_client->dev,
+				&sensor_dev_attr_temp4_crit_alarm.dev_attr);
 	}
 
 	return 0;

drivers/hwmon/lm90.c

@@ -1,7 +1,7 @@
 /*
  * lm90.c - Part of lm_sensors, Linux kernel modules for hardware
  *          monitoring
- * Copyright (C) 2003-2005  Jean Delvare <khali@linux-fr.org>
+ * Copyright (C) 2003-2006  Jean Delvare <khali@linux-fr.org>
  *
  * Based on the lm83 driver. The LM90 is a sensor chip made by National
  * Semiconductor. It reports up to two temperatures (its own plus up to
@@ -327,6 +327,16 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *dummy,
 	return sprintf(buf, "%d\n", data->alarms);
 }
 
+static ssize_t show_alarm(struct device *dev, struct device_attribute
+			  *devattr, char *buf)
+{
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+	struct lm90_data *data = lm90_update_device(dev);
+	int bitnr = attr->index;
+
+	return sprintf(buf, "%d\n", (data->alarms >> bitnr) & 1);
+}
+
 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp8, NULL, 0);
 static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp11, NULL, 0);
 static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp8,
@@ -344,6 +354,16 @@ static SENSOR_DEVICE_ATTR(temp2_crit, S_IWUSR | S_IRUGO, show_temp8,
 static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temphyst,
 	set_temphyst, 3);
 static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_temphyst, NULL, 4);
+
+/* Individual alarm files */
+static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_crit_alarm, S_IRUGO, show_alarm, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp2_input_fault, S_IRUGO, show_alarm, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp2_min_alarm, S_IRUGO, show_alarm, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO, show_alarm, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO, show_alarm, NULL, 5);
+static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 6);
+/* Raw alarm file for compatibility */
 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
 
 /* pec used for ADM1032 only */
@@ -595,6 +615,21 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind)
 			   &sensor_dev_attr_temp1_crit_hyst.dev_attr);
 	device_create_file(&new_client->dev,
 			   &sensor_dev_attr_temp2_crit_hyst.dev_attr);
+
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp2_input_fault.dev_attr);
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp1_min_alarm.dev_attr);
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp2_min_alarm.dev_attr);
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp1_max_alarm.dev_attr);
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp2_max_alarm.dev_attr);
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp1_crit_alarm.dev_attr);
+	device_create_file(&new_client->dev,
+			   &sensor_dev_attr_temp2_crit_alarm.dev_attr);
 	device_create_file(&new_client->dev, &dev_attr_alarms);
 
 	if (new_client->flags & I2C_CLIENT_PEC)