* 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>
#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"
#define ASUS_HOTK_DEVICE_NAME "Hotkey"
-#define ASUS_HOTK_HID "ATK0100"
#define ASUS_HOTK_FILE "asus-laptop"
#define ASUS_HOTK_PREFIX "\\_SB.ATKD."
#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
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 */
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
/*
* The hotkey driver declaration
*/
+static const struct acpi_device_id asus_device_ids[] = {
+ {"ATK0100", 0},
+ {"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, asus_device_ids);
+
static int asus_hotk_add(struct acpi_device *device);
static int asus_hotk_remove(struct acpi_device *device, int type);
static struct acpi_driver asus_hotk_driver = {
.name = ASUS_HOTK_NAME,
.class = ASUS_HOTK_CLASS,
- .ids = ASUS_HOTK_HID,
+ .ids = asus_device_ids,
.ops = {
.add = asus_hotk_add,
.remove = asus_hotk_remove,
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;
}
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;
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. */
struct device_attribute dev_attr_##_name = { \
.attr = { \
.name = __stringify(_name), \
- .mode = 0, \
- .owner = THIS_MODULE }, \
+ .mode = 0 }, \
.show = NULL, \
.store = NULL, \
}
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,
&dev_attr_ledd.attr,
&dev_attr_ls_switch.attr,
&dev_attr_ls_level.attr,
+ &dev_attr_gps.attr,
NULL
};
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,
/* 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;
printk(ASUS_NOTICE "Asus Laptop Support version %s\n",
ASUS_LAPTOP_VERSION);
- hotk = kmalloc(sizeof(struct asus_hotk), GFP_KERNEL);
+ hotk = kzalloc(sizeof(struct asus_hotk), GFP_KERNEL);
if (!hotk)
return -ENOMEM;
- memset(hotk, 0, sizeof(struct asus_hotk));
hotk->handle = device->handle;
strcpy(acpi_device_name(device), ASUS_HOTK_DEVICE_NAME);
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);
}
#define ASUS_LED_UNREGISTER(object) \
- if(object##_led.class_dev \
- && !IS_ERR(object##_led.class_dev)) \
- led_classdev_unregister(&object##_led)
+ led_classdev_unregister(&object##_led)
static void asus_led_exit(void)
{
+ destroy_workqueue(led_workqueue);
ASUS_LED_UNREGISTER(mled);
ASUS_LED_UNREGISTER(tled);
ASUS_LED_UNREGISTER(pled);
ASUS_LED_UNREGISTER(rled);
ASUS_LED_UNREGISTER(gled);
-
- destroy_workqueue(led_workqueue);
}
static void __exit asus_laptop_exit(void)
rv = ASUS_LED_REGISTER(mled, dev);
if (rv)
- return rv;
+ goto out;
rv = ASUS_LED_REGISTER(tled, dev);
if (rv)
- return rv;
+ goto out1;
rv = ASUS_LED_REGISTER(rled, dev);
if (rv)
- return rv;
+ goto out2;
rv = ASUS_LED_REGISTER(pled, dev);
if (rv)
- return rv;
+ goto out3;
rv = ASUS_LED_REGISTER(gled, dev);
if (rv)
- return rv;
+ goto out4;
led_workqueue = create_singlethread_workqueue("led_workqueue");
if (!led_workqueue)
- return -ENOMEM;
+ goto out5;
return 0;
+out5:
+ rv = -ENOMEM;
+ ASUS_LED_UNREGISTER(gled);
+out4:
+ ASUS_LED_UNREGISTER(pled);
+out3:
+ ASUS_LED_UNREGISTER(rled);
+out2:
+ ASUS_LED_UNREGISTER(tled);
+out1:
+ ASUS_LED_UNREGISTER(mled);
+out:
+ return rv;
}
static int __init asus_laptop_init(void)