switch lookup_mnt()
[linux-2.6.git] / drivers / hwmon / pc87360.c
index 7153b63..fb052fe 100644 (file)
@@ -43,6 +43,7 @@
 #include <linux/hwmon-vid.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
+#include <linux/acpi.h>
 #include <asm/io.h>
 
 static u8 devid;
@@ -714,12 +715,68 @@ static struct sensor_device_attribute therm_crit[] = {
                    show_therm_crit, set_therm_crit, 2+11),
 };
 
+/* show_therm_min/max_alarm() reads data from the per-channel voltage
+   status register (sec 11.5.12) */
+
+static ssize_t show_therm_min_alarm(struct device *dev,
+                               struct device_attribute *devattr, char *buf)
+{
+       struct pc87360_data *data = pc87360_update_device(dev);
+       unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+       return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN));
+}
+static ssize_t show_therm_max_alarm(struct device *dev,
+                               struct device_attribute *devattr, char *buf)
+{
+       struct pc87360_data *data = pc87360_update_device(dev);
+       unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+       return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX));
+}
+static ssize_t show_therm_crit_alarm(struct device *dev,
+                               struct device_attribute *devattr, char *buf)
+{
+       struct pc87360_data *data = pc87360_update_device(dev);
+       unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+       return sprintf(buf, "%u\n", !!(data->in_status[nr] & TEMP_ALM_CRIT));
+}
+
+static struct sensor_device_attribute therm_min_alarm[] = {
+       SENSOR_ATTR(temp4_min_alarm, S_IRUGO,
+                   show_therm_min_alarm, NULL, 0+11),
+       SENSOR_ATTR(temp5_min_alarm, S_IRUGO,
+                   show_therm_min_alarm, NULL, 1+11),
+       SENSOR_ATTR(temp6_min_alarm, S_IRUGO,
+                   show_therm_min_alarm, NULL, 2+11),
+};
+static struct sensor_device_attribute therm_max_alarm[] = {
+       SENSOR_ATTR(temp4_max_alarm, S_IRUGO,
+                   show_therm_max_alarm, NULL, 0+11),
+       SENSOR_ATTR(temp5_max_alarm, S_IRUGO,
+                   show_therm_max_alarm, NULL, 1+11),
+       SENSOR_ATTR(temp6_max_alarm, S_IRUGO,
+                   show_therm_max_alarm, NULL, 2+11),
+};
+static struct sensor_device_attribute therm_crit_alarm[] = {
+       SENSOR_ATTR(temp4_crit_alarm, S_IRUGO,
+                   show_therm_crit_alarm, NULL, 0+11),
+       SENSOR_ATTR(temp5_crit_alarm, S_IRUGO,
+                   show_therm_crit_alarm, NULL, 1+11),
+       SENSOR_ATTR(temp6_crit_alarm, S_IRUGO,
+                   show_therm_crit_alarm, NULL, 2+11),
+};
+
 #define THERM_UNIT_ATTRS(X) \
        &therm_input[X].dev_attr.attr,  \
        &therm_status[X].dev_attr.attr, \
        &therm_min[X].dev_attr.attr,    \
        &therm_max[X].dev_attr.attr,    \
-       &therm_crit[X].dev_attr.attr
+       &therm_crit[X].dev_attr.attr,   \
+       &therm_min_alarm[X].dev_attr.attr, \
+       &therm_max_alarm[X].dev_attr.attr, \
+       &therm_crit_alarm[X].dev_attr.attr
 
 static struct attribute * pc8736x_therm_attr_array[] = {
        THERM_UNIT_ATTRS(0),
@@ -1290,10 +1347,11 @@ static void pc87360_init_device(struct platform_device *pdev,
 
        nr = data->innr < 11 ? data->innr : 11;
        for (i = 0; i < nr; i++) {
+               reg = pc87360_read_value(data, LD_IN, i,
+                                        PC87365_REG_IN_STATUS);
+               dev_dbg(&pdev->dev, "bios in%d status:0x%02x\n", i, reg);
                if (init >= init_in[i]) {
                        /* Forcibly enable voltage channel */
-                       reg = pc87360_read_value(data, LD_IN, i,
-                                                PC87365_REG_IN_STATUS);
                        if (!(reg & CHAN_ENA)) {
                                dev_dbg(&pdev->dev, "Forcibly "
                                        "enabling in%d\n", i);
@@ -1306,18 +1364,23 @@ static void pc87360_init_device(struct platform_device *pdev,
 
        /* We can't blindly trust the Super-I/O space configuration bit,
           most BIOS won't set it properly */
+       dev_dbg(&pdev->dev, "bios thermistors:%d\n", use_thermistors);
        for (i = 11; i < data->innr; i++) {
                reg = pc87360_read_value(data, LD_IN, i,
                                         PC87365_REG_TEMP_STATUS);
                use_thermistors = use_thermistors || (reg & CHAN_ENA);
+               /* thermistors are temp[4-6], measured on vin[11-14] */
+               dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i-7, reg);
        }
+       dev_dbg(&pdev->dev, "using thermistors:%d\n", use_thermistors);
 
        i = use_thermistors ? 2 : 0;
        for (; i < data->tempnr; i++) {
+               reg = pc87360_read_value(data, LD_TEMP, i,
+                                        PC87365_REG_TEMP_STATUS);
+               dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i+1, reg);
                if (init >= init_temp[i]) {
                        /* Forcibly enable temperature channel */
-                       reg = pc87360_read_value(data, LD_TEMP, i,
-                                                PC87365_REG_TEMP_STATUS);
                        if (!(reg & CHAN_ENA)) {
                                dev_dbg(&pdev->dev, "Forcibly "
                                        "enabling temp%d\n", i+1);
@@ -1359,6 +1422,7 @@ static void pc87360_init_device(struct platform_device *pdev,
        if (data->innr) {
                reg = pc87360_read_value(data, LD_IN, NO_BANK,
                                         PC87365_REG_IN_CONFIG);
+               dev_dbg(&pdev->dev, "bios vin-cfg:0x%02x\n", reg);
                if (reg & CHAN_ENA) {
                        dev_dbg(&pdev->dev, "Forcibly "
                                "enabling monitoring (VLM)\n");
@@ -1371,6 +1435,7 @@ static void pc87360_init_device(struct platform_device *pdev,
        if (data->tempnr) {
                reg = pc87360_read_value(data, LD_TEMP, NO_BANK,
                                         PC87365_REG_TEMP_CONFIG);
+               dev_dbg(&pdev->dev, "bios temp-cfg:0x%02x\n", reg);
                if (reg & CHAN_ENA) {
                        dev_dbg(&pdev->dev, "Forcibly enabling "
                                "monitoring (TMS)\n");
@@ -1563,6 +1628,11 @@ static int __init pc87360_device_add(unsigned short address)
                        continue;
                res.start = extra_isa[i];
                res.end = extra_isa[i] + PC87360_EXTENT - 1;
+
+               err = acpi_check_resource_conflict(&res);
+               if (err)
+                       goto exit_device_put;
+
                err = platform_device_add_resources(pdev, &res, 1);
                if (err) {
                        printk(KERN_ERR "pc87360: Device resource[%d] "