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path: root/drivers/misc/asus-laptop.c
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Diffstat (limited to 'drivers/misc/asus-laptop.c')
-rw-r--r--drivers/misc/asus-laptop.c66
1 files changed, 60 insertions, 6 deletions
diff --git a/drivers/misc/asus-laptop.c b/drivers/misc/asus-laptop.c
index 65c32a9..4f9060a 100644
--- a/drivers/misc/asus-laptop.c
+++ b/drivers/misc/asus-laptop.c
@@ -30,7 +30,7 @@
* Eric Burghard - LED display support for W1N
* Josh Green - Light Sens support
* Thomas Tuttle - His first patch for led support was very helpfull
- *
+ * Sam Lin - GPS support
*/
#include <linux/autoconf.h>
@@ -48,7 +48,7 @@
#include <acpi/acpi_bus.h>
#include <asm/uaccess.h>
-#define ASUS_LAPTOP_VERSION "0.41"
+#define ASUS_LAPTOP_VERSION "0.42"
#define ASUS_HOTK_NAME "Asus Laptop Support"
#define ASUS_HOTK_CLASS "hotkey"
@@ -83,6 +83,7 @@
#define PLED_ON 0x20 //Phone LED
#define GLED_ON 0x40 //Gaming LED
#define LCD_ON 0x80 //LCD backlight
+#define GPS_ON 0x100 //GPS
#define ASUS_LOG ASUS_HOTK_FILE ": "
#define ASUS_ERR KERN_ERR ASUS_LOG
@@ -148,7 +149,7 @@ ASUS_HANDLE(display_set, ASUS_HOTK_PREFIX "SDSP");
ASUS_HANDLE(display_get, "\\_SB.PCI0.P0P1.VGA.GETD", /* A6B, A6K A6R A7D F3JM L4R M6R A3G
M6A M6V VX-1 V6J V6V W3Z */
"\\_SB.PCI0.P0P2.VGA.GETD", /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V
- S5A M5A z33A W1Jc W2V */
+ S5A M5A z33A W1Jc W2V G1 */
"\\_SB.PCI0.P0P3.VGA.GETD", /* A6V A6Q */
"\\_SB.PCI0.P0PA.VGA.GETD", /* A6T, A6M */
"\\_SB.PCI0.PCI1.VGAC.NMAP", /* L3C */
@@ -162,6 +163,12 @@ ASUS_HANDLE(display_get, "\\_SB.PCI0.P0P1.VGA.GETD", /* A6B, A6K A6R A7D F3JM L
ASUS_HANDLE(ls_switch, ASUS_HOTK_PREFIX "ALSC"); /* Z71A Z71V */
ASUS_HANDLE(ls_level, ASUS_HOTK_PREFIX "ALSL"); /* Z71A Z71V */
+/* GPS */
+/* R2H use different handle for GPS on/off */
+ASUS_HANDLE(gps_on, ASUS_HOTK_PREFIX "SDON"); /* R2H */
+ASUS_HANDLE(gps_off, ASUS_HOTK_PREFIX "SDOF"); /* R2H */
+ASUS_HANDLE(gps_status, ASUS_HOTK_PREFIX "GPST");
+
/*
* This is the main structure, we can use it to store anything interesting
* about the hotk device
@@ -278,12 +285,28 @@ static int read_wireless_status(int mask)
return (hotk->status & mask) ? 1 : 0;
}
+static int read_gps_status(void)
+{
+ ulong status;
+ acpi_status rv = AE_OK;
+
+ rv = acpi_evaluate_integer(gps_status_handle, NULL, NULL, &status);
+ if (ACPI_FAILURE(rv))
+ printk(ASUS_WARNING "Error reading GPS status\n");
+ else
+ return status ? 1 : 0;
+
+ return (hotk->status & GPS_ON) ? 1 : 0;
+}
+
/* Generic LED functions */
static int read_status(int mask)
{
/* There is a special method for both wireless devices */
if (mask == BT_ON || mask == WL_ON)
return read_wireless_status(mask);
+ else if (mask == GPS_ON)
+ return read_gps_status();
return (hotk->status & mask) ? 1 : 0;
}
@@ -299,6 +322,10 @@ static void write_status(acpi_handle handle, int out, int mask)
case GLED_ON:
out = (out & 0x1) + 1;
break;
+ case GPS_ON:
+ handle = (out) ? gps_on_handle : gps_off_handle;
+ out = 0x02;
+ break;
default:
out &= 0x1;
break;
@@ -667,6 +694,21 @@ static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr,
return rv;
}
+/*
+ * GPS
+ */
+static ssize_t show_gps(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf, "%d\n", read_status(GPS_ON));
+}
+
+static ssize_t store_gps(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ return store_status(buf, count, NULL, GPS_ON);
+}
+
static void asus_hotk_notify(acpi_handle handle, u32 event, void *data)
{
/* TODO Find a better way to handle events count. */
@@ -715,6 +757,7 @@ static ASUS_CREATE_DEVICE_ATTR(display);
static ASUS_CREATE_DEVICE_ATTR(ledd);
static ASUS_CREATE_DEVICE_ATTR(ls_switch);
static ASUS_CREATE_DEVICE_ATTR(ls_level);
+static ASUS_CREATE_DEVICE_ATTR(gps);
static struct attribute *asuspf_attributes[] = {
&dev_attr_infos.attr,
@@ -724,6 +767,7 @@ static struct attribute *asuspf_attributes[] = {
&dev_attr_ledd.attr,
&dev_attr_ls_switch.attr,
&dev_attr_ls_level.attr,
+ &dev_attr_gps.attr,
NULL
};
@@ -763,6 +807,9 @@ static void asus_hotk_add_fs(void)
ASUS_SET_DEVICE_ATTR(ls_level, 0644, show_lslvl, store_lslvl);
ASUS_SET_DEVICE_ATTR(ls_switch, 0644, show_lssw, store_lssw);
}
+
+ if (gps_status_handle && gps_on_handle && gps_off_handle)
+ ASUS_SET_DEVICE_ATTR(gps, 0644, show_gps, store_gps);
}
static int asus_handle_init(char *name, acpi_handle * handle,
@@ -890,9 +937,13 @@ static int asus_hotk_get_info(void)
/* There is a lot of models with "ALSL", but a few get
a real light sens, so we need to check it. */
- if (ASUS_HANDLE_INIT(ls_switch))
+ if (!ASUS_HANDLE_INIT(ls_switch))
ASUS_HANDLE_INIT(ls_level);
+ ASUS_HANDLE_INIT(gps_on);
+ ASUS_HANDLE_INIT(gps_off);
+ ASUS_HANDLE_INIT(gps_status);
+
kfree(model);
return AE_OK;
@@ -950,7 +1001,7 @@ static int asus_hotk_add(struct acpi_device *device)
* We install the handler, it will receive the hotk in parameter, so, we
* could add other data to the hotk struct
*/
- status = acpi_install_notify_handler(hotk->handle, ACPI_SYSTEM_NOTIFY,
+ status = acpi_install_notify_handler(hotk->handle, ACPI_ALL_NOTIFY,
asus_hotk_notify, hotk);
if (ACPI_FAILURE(status))
printk(ASUS_ERR "Error installing notify handler\n");
@@ -981,6 +1032,9 @@ static int asus_hotk_add(struct acpi_device *device)
if (ls_level_handle)
set_light_sens_level(hotk->light_level);
+ /* GPS is on by default */
+ write_status(NULL, 1, GPS_ON);
+
end:
if (result) {
kfree(hotk->name);
@@ -997,7 +1051,7 @@ static int asus_hotk_remove(struct acpi_device *device, int type)
if (!device || !acpi_driver_data(device))
return -EINVAL;
- status = acpi_remove_notify_handler(hotk->handle, ACPI_SYSTEM_NOTIFY,
+ status = acpi_remove_notify_handler(hotk->handle, ACPI_ALL_NOTIFY,
asus_hotk_notify);
if (ACPI_FAILURE(status))
printk(ASUS_ERR "Error removing notify handler\n");