Hi Nicolas,
thanks for the Mac Mini addition. Attached is an again quick and dirty
patch adding support for the SMC temperature sensor. Maybe it's helpful.
Regards,
- Jan.
--- applesmc.c.orig 2006-10-17 15:58:42.000000000 +0200
+++ applesmc.c 2006-10-17 17:35:42.000000000 +0200
@@ -33,7 +33,7 @@
#include <linux/timer.h>
#include <linux/dmi.h>
#include <asm/io.h>
-#include <linux/leds.h>
+// #include <linux/leds.h>
/* data port used by apple SMC */
#define APPLESMC_DATA_PORT 0x300
@@ -65,6 +65,8 @@
#define FAN_SAFE_SPEED "F0Sf" //r-o length 2
#define FAN_TARGET_SPEED "F0Tg" //r-w length 2
+#define FAN_TEMP "TC0D"
+
#define INIT_TIMEOUT_MSECS 5000 /* wait up to 5s for device init ... */
#define INIT_WAIT_MSECS 50 /* ... in 50ms increments */
@@ -76,7 +78,7 @@
#define SENSOR_Y 1
#define SENSOR_Z 2
-static int debug = 0;
+static int debug = 1;
static struct platform_device *pdev;
static s16 rest_x;
static s16 rest_y;
@@ -390,6 +392,32 @@
return sprintf(buf, "(%d,%d)\n", left, right);
}
+static ssize_t applesmc_show_fan_temp(struct device *dev, char *buf, char *key, int offset)
+{
+ int ret;
+ char newkey[5];
+ u8 buffer[2];
+ u8 temp;
+
+ newkey[0] = key[0];
+ newkey[1] = key[1];
+ newkey[2] = '0' + offset;
+ newkey[3] = key[3];
+ newkey[4] = 0;
+
+ down(&applesmc_sem);
+
+ ret = applesmc_read_key(newkey, buffer, 2);
+ temp = (buffer[0] * 256 + buffer[1]) >> 8;
+
+ up(&applesmc_sem);
+
+ if (ret)
+ return ret;
+ else
+ return sprintf(buf, "%d\n", (int) temp);
+}
+
static ssize_t applesmc_show_fan_speed(struct device *dev, char *buf,
char* key, int offset)
{
@@ -519,6 +547,7 @@
return count;
}
+/*
static void applesmc_backlight_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
@@ -536,13 +565,18 @@
.default_trigger = "nand-disk",
.brightness_set = applesmc_backlight_set,
};
-
+*/
static DEVICE_ATTR(position, 0444, applesmc_position_show, NULL);
static DEVICE_ATTR(calibrate, 0644, applesmc_calibrate_show,applesmc_calibrate_store);
static DEVICE_ATTR(light, 0444, applesmc_light_show, NULL);
#define sysfs_fan_speeds_offset(offset) \
+static ssize_t show_fan_temp_##offset (struct device *dev, \
+ struct device_attribute *attr, char *buf) \
+{ \
+ return applesmc_show_fan_temp(dev, buf, FAN_TEMP, offset); \
+} \
static ssize_t show_fan_actual_speed_##offset (struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
@@ -551,6 +585,9 @@
static DEVICE_ATTR(fan##offset##_actual_speed, S_IRUGO, \
show_fan_actual_speed_##offset, NULL); \
\
+static DEVICE_ATTR(fan##offset##_temp, S_IRUGO, \
+ show_fan_temp_##offset, NULL); \
+\
static ssize_t show_fan_minimum_speed_##offset (struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
@@ -610,6 +647,7 @@
#define device_create_file_fan(client, offset) \
do { \
+sysfs_create_file(client, &dev_attr_fan##offset##_temp.attr); \
sysfs_create_file(client, &dev_attr_fan##offset##_actual_speed.attr); \
sysfs_create_file(client, &dev_attr_fan##offset##_minimum_speed.attr); \
sysfs_create_file(client, &dev_attr_fan##offset##_maximum_speed.attr); \
@@ -801,7 +839,7 @@
goto out_accelerometer;
/* register as a led device */
- ret = led_classdev_register(&pdev->dev, &applesmc_backlight);
+// ret = led_classdev_register(&pdev->dev, &applesmc_backlight);
if (ret < 0)
goto out_accelerometer;
}
@@ -825,8 +863,8 @@
static void __exit applesmc_exit(void)
{
- if (applesmc_light)
- led_classdev_unregister(&applesmc_backlight);
+// if (applesmc_light)
+// led_classdev_unregister(&applesmc_backlight);
if (applesmc_accelerometer)
applesmc_release_accelerometer();
platform_device_unregister(pdev);
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