]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - drivers/platform/x86/asus-wmi.c
asus-wmi: swap input name and phys
[karo-tx-linux.git] / drivers / platform / x86 / asus-wmi.c
index d3997757e790f3fa1fa22e09559ac792a18c18a3..832a3fd7c1c8538ef77fd26c628e0ddd2c1644d6 100644 (file)
@@ -1,8 +1,8 @@
 /*
- * Eee PC WMI hotkey driver
+ * Asus PC WMI hotkey driver
  *
  * Copyright(C) 2010 Intel Corporation.
- * Copyright(C) 2010 Corentin Chary <corentin.chary@gmail.com>
+ * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com>
  *
  * Portions based on wistron_btns.c:
  * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
 #include <linux/rfkill.h>
 #include <linux/pci.h>
 #include <linux/pci_hotplug.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 #include <linux/platform_device.h>
-#include <linux/dmi.h>
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
 
-#define        EEEPC_WMI_FILE  "eeepc-wmi"
+#include "asus-wmi.h"
 
-MODULE_AUTHOR("Yong Wang <yong.y.wang@intel.com>");
-MODULE_DESCRIPTION("Eee PC WMI Hotkey Driver");
+MODULE_AUTHOR("Corentin Chary <corentincj@iksaif.net>, "
+             "Yong Wang <yong.y.wang@intel.com>");
+MODULE_DESCRIPTION("Asus Generic WMI Driver");
 MODULE_LICENSE("GPL");
 
-#define EEEPC_ACPI_HID         "ASUS010" /* old _HID used in eeepc-laptop */
+#define to_platform_driver(drv)                                        \
+       (container_of((drv), struct platform_driver, driver))
 
-#define EEEPC_WMI_EVENT_GUID   "ABBC0F72-8EA1-11D1-00A0-C90629100000"
-#define EEEPC_WMI_MGMT_GUID    "97845ED0-4E6D-11DE-8A39-0800200C9A66"
+#define to_asus_wmi_driver(pdrv)                                       \
+       (container_of((pdrv), struct asus_wmi_driver, platform_driver))
 
-MODULE_ALIAS("wmi:"EEEPC_WMI_EVENT_GUID);
-MODULE_ALIAS("wmi:"EEEPC_WMI_MGMT_GUID);
+#define ASUS_WMI_MGMT_GUID     "97845ED0-4E6D-11DE-8A39-0800200C9A66"
 
 #define NOTIFY_BRNUP_MIN               0x11
 #define NOTIFY_BRNUP_MAX               0x1f
@@ -66,92 +68,108 @@ MODULE_ALIAS("wmi:"EEEPC_WMI_MGMT_GUID);
 #define NOTIFY_BRNDOWN_MAX             0x2e
 
 /* WMI Methods */
-#define EEEPC_WMI_METHODID_DSTS                0x53544344
-#define EEEPC_WMI_METHODID_DEVS                0x53564544
-#define EEEPC_WMI_METHODID_CFVS                0x53564643
+#define ASUS_WMI_METHODID_SPEC         0x43455053 /* BIOS SPECification */
+#define ASUS_WMI_METHODID_SFBD         0x44424653 /* Set First Boot Device */
+#define ASUS_WMI_METHODID_GLCD         0x44434C47 /* Get LCD status */
+#define ASUS_WMI_METHODID_GPID         0x44495047 /* Get Panel ID?? (Resol) */
+#define ASUS_WMI_METHODID_QMOD         0x444F4D51 /* Quiet MODe */
+#define ASUS_WMI_METHODID_SPLV         0x4C425053 /* Set Panel Light Value */
+#define ASUS_WMI_METHODID_SFUN         0x4E554653 /* FUNCtionalities */
+#define ASUS_WMI_METHODID_SDSP         0x50534453 /* Set DiSPlay output */
+#define ASUS_WMI_METHODID_GDSP         0x50534447 /* Get DiSPlay output */
+#define ASUS_WMI_METHODID_DEVP         0x50564544 /* DEVice Policy */
+#define ASUS_WMI_METHODID_OSVR         0x5256534F /* OS VeRsion */
+#define ASUS_WMI_METHODID_DSTS         0x53544344 /* Device STatuS */
+#define ASUS_WMI_METHODID_DSTS2                0x53545344 /* Device STatuS #2*/
+#define ASUS_WMI_METHODID_BSTS         0x53545342 /* Bios STatuS ? */
+#define ASUS_WMI_METHODID_DEVS         0x53564544 /* DEVice Set */
+#define ASUS_WMI_METHODID_CFVS         0x53564643 /* CPU Frequency Volt Set */
+#define ASUS_WMI_METHODID_KBFT         0x5446424B /* KeyBoard FilTer */
+#define ASUS_WMI_METHODID_INIT         0x54494E49 /* INITialize */
+#define ASUS_WMI_METHODID_HKEY         0x59454B48 /* Hot KEY ?? */
+
+#define ASUS_WMI_UNSUPPORTED_METHOD    0xFFFFFFFE
 
 /* Wireless */
-#define EEEPC_WMI_DEVID_WLAN           0x00010011
-#define EEEPC_WMI_DEVID_BLUETOOTH      0x00010013
-#define EEEPC_WMI_DEVID_WIMAX          0x00010017
-#define EEEPC_WMI_DEVID_WWAN3G         0x00010019
+#define ASUS_WMI_DEVID_HW_SWITCH       0x00010001
+#define ASUS_WMI_DEVID_WIRELESS_LED    0x00010002
+#define ASUS_WMI_DEVID_WLAN            0x00010011
+#define ASUS_WMI_DEVID_BLUETOOTH       0x00010013
+#define ASUS_WMI_DEVID_GPS             0x00010015
+#define ASUS_WMI_DEVID_WIMAX           0x00010017
+#define ASUS_WMI_DEVID_WWAN3G          0x00010019
+#define ASUS_WMI_DEVID_UWB             0x00010021
+
+/* Leds */
+/* 0x000200XX and 0x000400XX */
 
 /* Backlight and Brightness */
-#define EEEPC_WMI_DEVID_BACKLIGHT      0x00050011
-#define EEEPC_WMI_DEVID_BRIGHTNESS     0x00050012
+#define ASUS_WMI_DEVID_BACKLIGHT       0x00050011
+#define ASUS_WMI_DEVID_BRIGHTNESS      0x00050012
+#define ASUS_WMI_DEVID_KBD_BACKLIGHT   0x00050021
+#define ASUS_WMI_DEVID_LIGHT_SENSOR    0x00050022 /* ?? */
 
 /* Misc */
-#define EEEPC_WMI_DEVID_CAMERA         0x00060013
+#define ASUS_WMI_DEVID_CAMERA          0x00060013
 
 /* Storage */
-#define EEEPC_WMI_DEVID_CARDREADER     0x00080013
+#define ASUS_WMI_DEVID_CARDREADER      0x00080013
 
 /* Input */
-#define EEEPC_WMI_DEVID_TOUCHPAD       0x00100011
-#define EEEPC_WMI_DEVID_TOUCHPAD_LED   0x00100012
+#define ASUS_WMI_DEVID_TOUCHPAD                0x00100011
+#define ASUS_WMI_DEVID_TOUCHPAD_LED    0x00100012
+
+/* Fan, Thermal */
+#define ASUS_WMI_DEVID_THERMAL_CTRL    0x00110011
+#define ASUS_WMI_DEVID_FAN_CTRL                0x00110012
+
+/* Power */
+#define ASUS_WMI_DEVID_PROCESSOR_STATE 0x00120012
 
 /* DSTS masks */
-#define EEEPC_WMI_DSTS_STATUS_BIT      0x00000001
-#define EEEPC_WMI_DSTS_PRESENCE_BIT    0x00010000
-#define EEEPC_WMI_DSTS_BRIGHTNESS_MASK 0x000000FF
-#define EEEPC_WMI_DSTS_MAX_BRIGTH_MASK 0x0000FF00
-
-static bool hotplug_wireless;
-
-module_param(hotplug_wireless, bool, 0444);
-MODULE_PARM_DESC(hotplug_wireless,
-                "Enable hotplug for wireless device. "
-                "If your laptop needs that, please report to "
-                "acpi4asus-user@lists.sourceforge.net.");
-
-static const struct key_entry eeepc_wmi_keymap[] = {
-       /* Sleep already handled via generic ACPI code */
-       { KE_IGNORE, NOTIFY_BRNDOWN_MIN, { KEY_BRIGHTNESSDOWN } },
-       { KE_IGNORE, NOTIFY_BRNUP_MIN, { KEY_BRIGHTNESSUP } },
-       { KE_KEY, 0x30, { KEY_VOLUMEUP } },
-       { KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
-       { KE_KEY, 0x32, { KEY_MUTE } },
-       { KE_KEY, 0x5c, { KEY_F15 } }, /* Power Gear key */
-       { KE_KEY, 0x5d, { KEY_WLAN } },
-       { KE_KEY, 0x6b, { KEY_F13 } }, /* Disable Touchpad */
-       { KE_KEY, 0x82, { KEY_CAMERA } },
-       { KE_KEY, 0x83, { KEY_CAMERA_ZOOMIN } },
-       { KE_KEY, 0x88, { KEY_WLAN } },
-       { KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } },
-       { KE_KEY, 0xe0, { KEY_PROG1 } }, /* Task Manager */
-       { KE_KEY, 0xe1, { KEY_F14 } }, /* Change Resolution */
-       { KE_KEY, 0xe9, { KEY_BRIGHTNESS_ZERO } },
-       { KE_KEY, 0xeb, { KEY_CAMERA_ZOOMOUT } },
-       { KE_KEY, 0xec, { KEY_CAMERA_UP } },
-       { KE_KEY, 0xed, { KEY_CAMERA_DOWN } },
-       { KE_KEY, 0xee, { KEY_CAMERA_LEFT } },
-       { KE_KEY, 0xef, { KEY_CAMERA_RIGHT } },
-       { KE_END, 0},
-};
+#define ASUS_WMI_DSTS_STATUS_BIT       0x00000001
+#define ASUS_WMI_DSTS_UNKNOWN_BIT      0x00000002
+#define ASUS_WMI_DSTS_PRESENCE_BIT     0x00010000
+#define ASUS_WMI_DSTS_USER_BIT         0x00020000
+#define ASUS_WMI_DSTS_BIOS_BIT         0x00040000
+#define ASUS_WMI_DSTS_BRIGHTNESS_MASK  0x000000FF
+#define ASUS_WMI_DSTS_MAX_BRIGTH_MASK  0x0000FF00
 
 struct bios_args {
-       u32     dev_id;
-       u32     ctrl_param;
-};
+       u32 arg0;
+       u32 arg1;
+} __packed;
 
 /*
- * eeepc-wmi/    - debugfs root directory
+ * <platform>/    - debugfs root directory
  *   dev_id      - current dev_id
  *   ctrl_param  - current ctrl_param
+ *   method_id   - current method_id
  *   devs        - call DEVS(dev_id, ctrl_param) and print result
  *   dsts        - call DSTS(dev_id)  and print result
+ *   call        - call method_id(dev_id, ctrl_param) and print result
  */
-struct eeepc_wmi_debug {
+struct asus_wmi_debug {
        struct dentry *root;
+       u32 method_id;
        u32 dev_id;
        u32 ctrl_param;
 };
 
-struct eeepc_wmi {
-       bool hotplug_wireless;
+struct asus_rfkill {
+       struct asus_wmi *asus;
+       struct rfkill *rfkill;
+       u32 dev_id;
+};
+
+struct asus_wmi {
+       int dsts_id;
+       int spec;
+       int sfun;
 
        struct input_dev *inputdev;
        struct backlight_device *backlight_device;
+       struct device *hwmon_device;
        struct platform_device *platform_device;
 
        struct led_classdev tpd_led;
@@ -159,10 +177,10 @@ struct eeepc_wmi {
        struct workqueue_struct *led_workqueue;
        struct work_struct tpd_led_work;
 
-       struct rfkill *wlan_rfkill;
-       struct rfkill *bluetooth_rfkill;
-       struct rfkill *wimax_rfkill;
-       struct rfkill *wwan3g_rfkill;
+       struct asus_rfkill wlan;
+       struct asus_rfkill bluetooth;
+       struct asus_rfkill wimax;
+       struct asus_rfkill wwan3g;
 
        struct hotplug_slot *hotplug_slot;
        struct mutex hotplug_lock;
@@ -170,67 +188,73 @@ struct eeepc_wmi {
        struct workqueue_struct *hotplug_workqueue;
        struct work_struct hotplug_work;
 
-       struct eeepc_wmi_debug debug;
+       struct asus_wmi_debug debug;
+
+       struct asus_wmi_driver *driver;
 };
 
-static int eeepc_wmi_input_init(struct eeepc_wmi *eeepc)
+static int asus_wmi_input_init(struct asus_wmi *asus)
 {
        int err;
 
-       eeepc->inputdev = input_allocate_device();
-       if (!eeepc->inputdev)
+       asus->inputdev = input_allocate_device();
+       if (!asus->inputdev)
                return -ENOMEM;
 
-       eeepc->inputdev->name = "Eee PC WMI hotkeys";
-       eeepc->inputdev->phys = EEEPC_WMI_FILE "/input0";
-       eeepc->inputdev->id.bustype = BUS_HOST;
-       eeepc->inputdev->dev.parent = &eeepc->platform_device->dev;
+       asus->inputdev->name = asus->driver->input_name;
+       asus->inputdev->phys = asus->driver->input_phys;
+       asus->inputdev->id.bustype = BUS_HOST;
+       asus->inputdev->dev.parent = &asus->platform_device->dev;
 
-       err = sparse_keymap_setup(eeepc->inputdev, eeepc_wmi_keymap, NULL);
+       err = sparse_keymap_setup(asus->inputdev, asus->driver->keymap, NULL);
        if (err)
                goto err_free_dev;
 
-       err = input_register_device(eeepc->inputdev);
+       err = input_register_device(asus->inputdev);
        if (err)
                goto err_free_keymap;
 
        return 0;
 
 err_free_keymap:
-       sparse_keymap_free(eeepc->inputdev);
+       sparse_keymap_free(asus->inputdev);
 err_free_dev:
-       input_free_device(eeepc->inputdev);
+       input_free_device(asus->inputdev);
        return err;
 }
 
-static void eeepc_wmi_input_exit(struct eeepc_wmi *eeepc)
+static void asus_wmi_input_exit(struct asus_wmi *asus)
 {
-       if (eeepc->inputdev) {
-               sparse_keymap_free(eeepc->inputdev);
-               input_unregister_device(eeepc->inputdev);
+       if (asus->inputdev) {
+               sparse_keymap_free(asus->inputdev);
+               input_unregister_device(asus->inputdev);
        }
 
-       eeepc->inputdev = NULL;
+       asus->inputdev = NULL;
 }
 
-static acpi_status eeepc_wmi_get_devstate(u32 dev_id, u32 *retval)
+static int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1,
+                                   u32 *retval)
 {
-       struct acpi_buffer input = { (acpi_size)sizeof(u32), &dev_id };
+       struct bios_args args = {
+               .arg0 = arg0,
+               .arg1 = arg1,
+       };
+       struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
        struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
-       union acpi_object *obj;
        acpi_status status;
+       union acpi_object *obj;
        u32 tmp;
 
-       status = wmi_evaluate_method(EEEPC_WMI_MGMT_GUID,
-                                    1, EEEPC_WMI_METHODID_DSTS,
+       status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 1, method_id,
                                     &input, &output);
 
        if (ACPI_FAILURE(status))
-               return status;
+               goto exit;
 
        obj = (union acpi_object *)output.pointer;
        if (obj && obj->type == ACPI_TYPE_INTEGER)
-               tmp = (u32)obj->integer.value;
+               tmp = (u32) obj->integer.value;
        else
                tmp = 0;
 
@@ -239,70 +263,55 @@ static acpi_status eeepc_wmi_get_devstate(u32 dev_id, u32 *retval)
 
        kfree(obj);
 
-       return status;
+exit:
+       if (ACPI_FAILURE(status))
+               return -EIO;
+
+       if (tmp == ASUS_WMI_UNSUPPORTED_METHOD)
+               return -ENODEV;
 
+       return 0;
 }
 
-static acpi_status eeepc_wmi_set_devstate(u32 dev_id, u32 ctrl_param,
-                                         u32 *retval)
+static int asus_wmi_get_devstate(struct asus_wmi *asus, u32 dev_id, u32 *retval)
 {
-       struct bios_args args = {
-               .dev_id = dev_id,
-               .ctrl_param = ctrl_param,
-       };
-       struct acpi_buffer input = { (acpi_size)sizeof(args), &args };
-       acpi_status status;
-
-       if (!retval) {
-               status = wmi_evaluate_method(EEEPC_WMI_MGMT_GUID, 1,
-                                            EEEPC_WMI_METHODID_DEVS,
-                                            &input, NULL);
-       } else {
-               struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
-               union acpi_object *obj;
-               u32 tmp;
-
-               status = wmi_evaluate_method(EEEPC_WMI_MGMT_GUID, 1,
-                                            EEEPC_WMI_METHODID_DEVS,
-                                            &input, &output);
-
-               if (ACPI_FAILURE(status))
-                       return status;
-
-               obj = (union acpi_object *)output.pointer;
-               if (obj && obj->type == ACPI_TYPE_INTEGER)
-                       tmp = (u32)obj->integer.value;
-               else
-                       tmp = 0;
-
-               *retval = tmp;
-
-               kfree(obj);
-       }
+       return asus_wmi_evaluate_method(asus->dsts_id, dev_id, 0, retval);
+}
 
-       return status;
+static int asus_wmi_set_devstate(u32 dev_id, u32 ctrl_param,
+                                u32 *retval)
+{
+       return asus_wmi_evaluate_method(ASUS_WMI_METHODID_DEVS, dev_id,
+                                       ctrl_param, retval);
 }
 
 /* Helper for special devices with magic return codes */
-static int eeepc_wmi_get_devstate_bits(u32 dev_id, u32 mask)
+static int asus_wmi_get_devstate_bits(struct asus_wmi *asus,
+                                     u32 dev_id, u32 mask)
 {
        u32 retval = 0;
-       acpi_status status;
+       int err;
 
-       status = eeepc_wmi_get_devstate(dev_id, &retval);
+       err = asus_wmi_get_devstate(asus, dev_id, &retval);
 
-       if (ACPI_FAILURE(status))
-               return -EINVAL;
+       if (err < 0)
+               return err;
 
-       if (!(retval & EEEPC_WMI_DSTS_PRESENCE_BIT))
+       if (!(retval & ASUS_WMI_DSTS_PRESENCE_BIT))
                return -ENODEV;
 
+       if (mask == ASUS_WMI_DSTS_STATUS_BIT) {
+               if (retval & ASUS_WMI_DSTS_UNKNOWN_BIT)
+                       return -ENODEV;
+       }
+
        return retval & mask;
 }
 
-static int eeepc_wmi_get_devstate_simple(u32 dev_id)
+static int asus_wmi_get_devstate_simple(struct asus_wmi *asus, u32 dev_id)
 {
-       return eeepc_wmi_get_devstate_bits(dev_id, EEEPC_WMI_DSTS_STATUS_BIT);
+       return asus_wmi_get_devstate_bits(asus, dev_id,
+                                         ASUS_WMI_DSTS_STATUS_BIT);
 }
 
 /*
@@ -311,93 +320,92 @@ static int eeepc_wmi_get_devstate_simple(u32 dev_id)
 /*
  * These functions actually update the LED's, and are called from a
  * workqueue. By doing this as separate work rather than when the LED
- * subsystem asks, we avoid messing with the Eeepc ACPI stuff during a
+ * subsystem asks, we avoid messing with the Asus ACPI stuff during a
  * potentially bad time, such as a timer interrupt.
  */
 static void tpd_led_update(struct work_struct *work)
 {
        int ctrl_param;
-       struct eeepc_wmi *eeepc;
+       struct asus_wmi *asus;
 
-       eeepc = container_of(work, struct eeepc_wmi, tpd_led_work);
+       asus = container_of(work, struct asus_wmi, tpd_led_work);
 
-       ctrl_param = eeepc->tpd_led_wk;
-       eeepc_wmi_set_devstate(EEEPC_WMI_DEVID_TOUCHPAD_LED, ctrl_param, NULL);
+       ctrl_param = asus->tpd_led_wk;
+       asus_wmi_set_devstate(ASUS_WMI_DEVID_TOUCHPAD_LED, ctrl_param, NULL);
 }
 
 static void tpd_led_set(struct led_classdev *led_cdev,
                        enum led_brightness value)
 {
-       struct eeepc_wmi *eeepc;
+       struct asus_wmi *asus;
 
-       eeepc = container_of(led_cdev, struct eeepc_wmi, tpd_led);
+       asus = container_of(led_cdev, struct asus_wmi, tpd_led);
 
-       eeepc->tpd_led_wk = !!value;
-       queue_work(eeepc->led_workqueue, &eeepc->tpd_led_work);
+       asus->tpd_led_wk = !!value;
+       queue_work(asus->led_workqueue, &asus->tpd_led_work);
 }
 
-static int read_tpd_led_state(struct eeepc_wmi *eeepc)
+static int read_tpd_led_state(struct asus_wmi *asus)
 {
-       return eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_TOUCHPAD_LED);
+       return asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_TOUCHPAD_LED);
 }
 
 static enum led_brightness tpd_led_get(struct led_classdev *led_cdev)
 {
-       struct eeepc_wmi *eeepc;
+       struct asus_wmi *asus;
 
-       eeepc = container_of(led_cdev, struct eeepc_wmi, tpd_led);
+       asus = container_of(led_cdev, struct asus_wmi, tpd_led);
 
-       return read_tpd_led_state(eeepc);
+       return read_tpd_led_state(asus);
 }
 
-static int eeepc_wmi_led_init(struct eeepc_wmi *eeepc)
+static int asus_wmi_led_init(struct asus_wmi *asus)
 {
        int rv;
 
-       if (read_tpd_led_state(eeepc) < 0)
+       if (read_tpd_led_state(asus) < 0)
                return 0;
 
-       eeepc->led_workqueue = create_singlethread_workqueue("led_workqueue");
-       if (!eeepc->led_workqueue)
+       asus->led_workqueue = create_singlethread_workqueue("led_workqueue");
+       if (!asus->led_workqueue)
                return -ENOMEM;
-       INIT_WORK(&eeepc->tpd_led_work, tpd_led_update);
+       INIT_WORK(&asus->tpd_led_work, tpd_led_update);
 
-       eeepc->tpd_led.name = "eeepc::touchpad";
-       eeepc->tpd_led.brightness_set = tpd_led_set;
-       eeepc->tpd_led.brightness_get = tpd_led_get;
-       eeepc->tpd_led.max_brightness = 1;
+       asus->tpd_led.name = "asus::touchpad";
+       asus->tpd_led.brightness_set = tpd_led_set;
+       asus->tpd_led.brightness_get = tpd_led_get;
+       asus->tpd_led.max_brightness = 1;
 
-       rv = led_classdev_register(&eeepc->platform_device->dev,
-                                  &eeepc->tpd_led);
+       rv = led_classdev_register(&asus->platform_device->dev, &asus->tpd_led);
        if (rv) {
-               destroy_workqueue(eeepc->led_workqueue);
+               destroy_workqueue(asus->led_workqueue);
                return rv;
        }
 
        return 0;
 }
 
-static void eeepc_wmi_led_exit(struct eeepc_wmi *eeepc)
+static void asus_wmi_led_exit(struct asus_wmi *asus)
 {
-       if (eeepc->tpd_led.dev)
-               led_classdev_unregister(&eeepc->tpd_led);
-       if (eeepc->led_workqueue)
-               destroy_workqueue(eeepc->led_workqueue);
+       if (asus->tpd_led.dev)
+               led_classdev_unregister(&asus->tpd_led);
+       if (asus->led_workqueue)
+               destroy_workqueue(asus->led_workqueue);
 }
 
 /*
  * PCI hotplug (for wlan rfkill)
  */
-static bool eeepc_wlan_rfkill_blocked(struct eeepc_wmi *eeepc)
+static bool asus_wlan_rfkill_blocked(struct asus_wmi *asus)
 {
-       int result = eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_WLAN);
+       int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
 
        if (result < 0)
                return false;
        return !result;
 }
 
-static void eeepc_rfkill_hotplug(struct eeepc_wmi *eeepc)
+static void asus_rfkill_hotplug(struct asus_wmi *asus)
 {
        struct pci_dev *dev;
        struct pci_bus *bus;
@@ -405,16 +413,16 @@ static void eeepc_rfkill_hotplug(struct eeepc_wmi *eeepc)
        bool absent;
        u32 l;
 
-       mutex_lock(&eeepc->wmi_lock);
-       blocked = eeepc_wlan_rfkill_blocked(eeepc);
-       mutex_unlock(&eeepc->wmi_lock);
+       mutex_lock(&asus->wmi_lock);
+       blocked = asus_wlan_rfkill_blocked(asus);
+       mutex_unlock(&asus->wmi_lock);
 
-       mutex_lock(&eeepc->hotplug_lock);
+       mutex_lock(&asus->hotplug_lock);
 
-       if (eeepc->wlan_rfkill)
-               rfkill_set_sw_state(eeepc->wlan_rfkill, blocked);
+       if (asus->wlan.rfkill)
+               rfkill_set_sw_state(asus->wlan.rfkill, blocked);
 
-       if (eeepc->hotplug_slot) {
+       if (asus->hotplug_slot) {
                bus = pci_find_bus(0, 1);
                if (!bus) {
                        pr_warning("Unable to find PCI bus 1?\n");
@@ -429,11 +437,11 @@ static void eeepc_rfkill_hotplug(struct eeepc_wmi *eeepc)
 
                if (blocked != absent) {
                        pr_warning("BIOS says wireless lan is %s, "
-                                       "but the pci device is %s\n",
-                               blocked ? "blocked" : "unblocked",
-                               absent ? "absent" : "present");
+                                  "but the pci device is %s\n",
+                                  blocked ? "blocked" : "unblocked",
+                                  absent ? "absent" : "present");
                        pr_warning("skipped wireless hotplug as probably "
-                                       "inappropriate for this model\n");
+                                  "inappropriate for this model\n");
                        goto out_unlock;
                }
 
@@ -460,28 +468,27 @@ static void eeepc_rfkill_hotplug(struct eeepc_wmi *eeepc)
        }
 
 out_unlock:
-       mutex_unlock(&eeepc->hotplug_lock);
+       mutex_unlock(&asus->hotplug_lock);
 }
 
-static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data)
+static void asus_rfkill_notify(acpi_handle handle, u32 event, void *data)
 {
-       struct eeepc_wmi *eeepc = data;
+       struct asus_wmi *asus = data;
 
        if (event != ACPI_NOTIFY_BUS_CHECK)
                return;
 
        /*
-        * We can't call directly eeepc_rfkill_hotplug because most
+        * We can't call directly asus_rfkill_hotplug because most
         * of the time WMBC is still being executed and not reetrant.
         * There is currently no way to tell ACPICA that  we want this
-        * method to be serialized, we schedule a eeepc_rfkill_hotplug
+        * method to be serialized, we schedule a asus_rfkill_hotplug
         * call later, in a safer context.
         */
-       queue_work(eeepc->hotplug_workqueue, &eeepc->hotplug_work);
+       queue_work(asus->hotplug_workqueue, &asus->hotplug_work);
 }
 
-static int eeepc_register_rfkill_notifier(struct eeepc_wmi *eeepc,
-                                         char *node)
+static int asus_register_rfkill_notifier(struct asus_wmi *asus, char *node)
 {
        acpi_status status;
        acpi_handle handle;
@@ -491,8 +498,7 @@ static int eeepc_register_rfkill_notifier(struct eeepc_wmi *eeepc,
        if (ACPI_SUCCESS(status)) {
                status = acpi_install_notify_handler(handle,
                                                     ACPI_SYSTEM_NOTIFY,
-                                                    eeepc_rfkill_notify,
-                                                    eeepc);
+                                                    asus_rfkill_notify, asus);
                if (ACPI_FAILURE(status))
                        pr_warning("Failed to register notify on %s\n", node);
        } else
@@ -501,8 +507,7 @@ static int eeepc_register_rfkill_notifier(struct eeepc_wmi *eeepc,
        return 0;
 }
 
-static void eeepc_unregister_rfkill_notifier(struct eeepc_wmi *eeepc,
-                                            char *node)
+static void asus_unregister_rfkill_notifier(struct asus_wmi *asus, char *node)
 {
        acpi_status status = AE_OK;
        acpi_handle handle;
@@ -511,18 +516,19 @@ static void eeepc_unregister_rfkill_notifier(struct eeepc_wmi *eeepc,
 
        if (ACPI_SUCCESS(status)) {
                status = acpi_remove_notify_handler(handle,
-                                                    ACPI_SYSTEM_NOTIFY,
-                                                    eeepc_rfkill_notify);
+                                                   ACPI_SYSTEM_NOTIFY,
+                                                   asus_rfkill_notify);
                if (ACPI_FAILURE(status))
                        pr_err("Error removing rfkill notify handler %s\n",
-                               node);
+                              node);
        }
 }
 
-static int eeepc_get_adapter_status(struct hotplug_slot *hotplug_slot,
-                                   u8 *value)
+static int asus_get_adapter_status(struct hotplug_slot *hotplug_slot,
+                                  u8 *value)
 {
-       int result = eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_WLAN);
+       struct asus_wmi *asus = hotplug_slot->private;
+       int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
 
        if (result < 0)
                return result;
@@ -531,27 +537,27 @@ static int eeepc_get_adapter_status(struct hotplug_slot *hotplug_slot,
        return 0;
 }
 
-static void eeepc_cleanup_pci_hotplug(struct hotplug_slot *hotplug_slot)
+static void asus_cleanup_pci_hotplug(struct hotplug_slot *hotplug_slot)
 {
        kfree(hotplug_slot->info);
        kfree(hotplug_slot);
 }
 
-static struct hotplug_slot_ops eeepc_hotplug_slot_ops = {
+static struct hotplug_slot_ops asus_hotplug_slot_ops = {
        .owner = THIS_MODULE,
-       .get_adapter_status = eeepc_get_adapter_status,
-       .get_power_status = eeepc_get_adapter_status,
+       .get_adapter_status = asus_get_adapter_status,
+       .get_power_status = asus_get_adapter_status,
 };
 
-static void eeepc_hotplug_work(struct work_struct *work)
+static void asus_hotplug_work(struct work_struct *work)
 {
-       struct eeepc_wmi *eeepc;
+       struct asus_wmi *asus;
 
-       eeepc = container_of(work, struct eeepc_wmi, hotplug_work);
-       eeepc_rfkill_hotplug(eeepc);
+       asus = container_of(work, struct asus_wmi, hotplug_work);
+       asus_rfkill_hotplug(asus);
 }
 
-static int eeepc_setup_pci_hotplug(struct eeepc_wmi *eeepc)
+static int asus_setup_pci_hotplug(struct asus_wmi *asus)
 {
        int ret = -ENOMEM;
        struct pci_bus *bus = pci_find_bus(0, 1);
@@ -561,29 +567,29 @@ static int eeepc_setup_pci_hotplug(struct eeepc_wmi *eeepc)
                return -ENODEV;
        }
 
-       eeepc->hotplug_workqueue =
-               create_singlethread_workqueue("hotplug_workqueue");
-       if (!eeepc->hotplug_workqueue)
+       asus->hotplug_workqueue =
+           create_singlethread_workqueue("hotplug_workqueue");
+       if (!asus->hotplug_workqueue)
                goto error_workqueue;
 
-       INIT_WORK(&eeepc->hotplug_work, eeepc_hotplug_work);
+       INIT_WORK(&asus->hotplug_work, asus_hotplug_work);
 
-       eeepc->hotplug_slot = kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL);
-       if (!eeepc->hotplug_slot)
+       asus->hotplug_slot = kzalloc(sizeof(struct hotplug_slot), GFP_KERNEL);
+       if (!asus->hotplug_slot)
                goto error_slot;
 
-       eeepc->hotplug_slot->info = kzalloc(sizeof(struct hotplug_slot_info),
-                                           GFP_KERNEL);
-       if (!eeepc->hotplug_slot->info)
+       asus->hotplug_slot->info = kzalloc(sizeof(struct hotplug_slot_info),
+                                          GFP_KERNEL);
+       if (!asus->hotplug_slot->info)
                goto error_info;
 
-       eeepc->hotplug_slot->private = eeepc;
-       eeepc->hotplug_slot->release = &eeepc_cleanup_pci_hotplug;
-       eeepc->hotplug_slot->ops = &eeepc_hotplug_slot_ops;
-       eeepc_get_adapter_status(eeepc->hotplug_slot,
-                                &eeepc->hotplug_slot->info->adapter_status);
+       asus->hotplug_slot->private = asus;
+       asus->hotplug_slot->release = &asus_cleanup_pci_hotplug;
+       asus->hotplug_slot->ops = &asus_hotplug_slot_ops;
+       asus_get_adapter_status(asus->hotplug_slot,
+                               &asus->hotplug_slot->info->adapter_status);
 
-       ret = pci_hp_register(eeepc->hotplug_slot, bus, 0, "eeepc-wifi");
+       ret = pci_hp_register(asus->hotplug_slot, bus, 0, "asus-wifi");
        if (ret) {
                pr_err("Unable to register hotplug slot - %d\n", ret);
                goto error_register;
@@ -592,12 +598,12 @@ static int eeepc_setup_pci_hotplug(struct eeepc_wmi *eeepc)
        return 0;
 
 error_register:
-       kfree(eeepc->hotplug_slot->info);
+       kfree(asus->hotplug_slot->info);
 error_info:
-       kfree(eeepc->hotplug_slot);
-       eeepc->hotplug_slot = NULL;
+       kfree(asus->hotplug_slot);
+       asus->hotplug_slot = NULL;
 error_slot:
-       destroy_workqueue(eeepc->hotplug_workqueue);
+       destroy_workqueue(asus->hotplug_workqueue);
 error_workqueue:
        return ret;
 }
@@ -605,82 +611,75 @@ error_workqueue:
 /*
  * Rfkill devices
  */
-static int eeepc_rfkill_set(void *data, bool blocked)
+static int asus_rfkill_set(void *data, bool blocked)
 {
-       int dev_id = (unsigned long)data;
+       struct asus_rfkill *priv = data;
        u32 ctrl_param = !blocked;
-       acpi_status status;
-
-       status = eeepc_wmi_set_devstate(dev_id, ctrl_param, NULL);
 
-       if (ACPI_FAILURE(status))
-               return -EIO;
-
-       return 0;
+       return asus_wmi_set_devstate(priv->dev_id, ctrl_param, NULL);
 }
 
-static void eeepc_rfkill_query(struct rfkill *rfkill, void *data)
+static void asus_rfkill_query(struct rfkill *rfkill, void *data)
 {
-       int dev_id = (unsigned long)data;
+       struct asus_rfkill *priv = data;
        int result;
 
-       result = eeepc_wmi_get_devstate_simple(dev_id);
+       result = asus_wmi_get_devstate_simple(priv->asus, priv->dev_id);
 
        if (result < 0)
-               return ;
+               return;
 
-       rfkill_set_sw_state(rfkill, !result);
+       rfkill_set_sw_state(priv->rfkill, !result);
 }
 
-static int eeepc_rfkill_wlan_set(void *data, bool blocked)
+static int asus_rfkill_wlan_set(void *data, bool blocked)
 {
-       struct eeepc_wmi *eeepc = data;
+       struct asus_rfkill *priv = data;
+       struct asus_wmi *asus = priv->asus;
        int ret;
 
        /*
         * This handler is enabled only if hotplug is enabled.
-        * In this case, the eeepc_wmi_set_devstate() will
+        * In this case, the asus_wmi_set_devstate() will
         * trigger a wmi notification and we need to wait
         * this call to finish before being able to call
         * any wmi method
         */
-       mutex_lock(&eeepc->wmi_lock);
-       ret = eeepc_rfkill_set((void *)(long)EEEPC_WMI_DEVID_WLAN, blocked);
-       mutex_unlock(&eeepc->wmi_lock);
+       mutex_lock(&asus->wmi_lock);
+       ret = asus_rfkill_set(data, blocked);
+       mutex_unlock(&asus->wmi_lock);
        return ret;
 }
 
-static void eeepc_rfkill_wlan_query(struct rfkill *rfkill, void *data)
-{
-       eeepc_rfkill_query(rfkill, (void *)(long)EEEPC_WMI_DEVID_WLAN);
-}
-
-static const struct rfkill_ops eeepc_rfkill_wlan_ops = {
-       .set_block = eeepc_rfkill_wlan_set,
-       .query = eeepc_rfkill_wlan_query,
+static const struct rfkill_ops asus_rfkill_wlan_ops = {
+       .set_block = asus_rfkill_wlan_set,
+       .query = asus_rfkill_query,
 };
 
-static const struct rfkill_ops eeepc_rfkill_ops = {
-       .set_block = eeepc_rfkill_set,
-       .query = eeepc_rfkill_query,
+static const struct rfkill_ops asus_rfkill_ops = {
+       .set_block = asus_rfkill_set,
+       .query = asus_rfkill_query,
 };
 
-static int eeepc_new_rfkill(struct eeepc_wmi *eeepc,
-                           struct rfkill **rfkill,
-                           const char *name,
-                           enum rfkill_type type, int dev_id)
+static int asus_new_rfkill(struct asus_wmi *asus,
+                          struct asus_rfkill *arfkill,
+                          const char *name, enum rfkill_type type, int dev_id)
 {
-       int result = eeepc_wmi_get_devstate_simple(dev_id);
+       int result = asus_wmi_get_devstate_simple(asus, dev_id);
+       struct rfkill **rfkill = &arfkill->rfkill;
 
        if (result < 0)
                return result;
 
-       if (dev_id == EEEPC_WMI_DEVID_WLAN && eeepc->hotplug_wireless)
-               *rfkill = rfkill_alloc(name, &eeepc->platform_device->dev, type,
-                                      &eeepc_rfkill_wlan_ops, eeepc);
+       arfkill->dev_id = dev_id;
+       arfkill->asus = asus;
+
+       if (dev_id == ASUS_WMI_DEVID_WLAN && asus->driver->hotplug_wireless)
+               *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
+                                      &asus_rfkill_wlan_ops, arfkill);
        else
-               *rfkill = rfkill_alloc(name, &eeepc->platform_device->dev, type,
-                                      &eeepc_rfkill_ops, (void *)(long)dev_id);
+               *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
+                                      &asus_rfkill_ops, arfkill);
 
        if (!*rfkill)
                return -EINVAL;
@@ -695,82 +694,79 @@ static int eeepc_new_rfkill(struct eeepc_wmi *eeepc,
        return 0;
 }
 
-static void eeepc_wmi_rfkill_exit(struct eeepc_wmi *eeepc)
+static void asus_wmi_rfkill_exit(struct asus_wmi *asus)
 {
-       eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P5");
-       eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P6");
-       eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P7");
-       if (eeepc->wlan_rfkill) {
-               rfkill_unregister(eeepc->wlan_rfkill);
-               rfkill_destroy(eeepc->wlan_rfkill);
-               eeepc->wlan_rfkill = NULL;
+       asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P5");
+       asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P6");
+       asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P7");
+       if (asus->wlan.rfkill) {
+               rfkill_unregister(asus->wlan.rfkill);
+               rfkill_destroy(asus->wlan.rfkill);
+               asus->wlan.rfkill = NULL;
        }
        /*
         * Refresh pci hotplug in case the rfkill state was changed after
-        * eeepc_unregister_rfkill_notifier()
+        * asus_unregister_rfkill_notifier()
         */
-       eeepc_rfkill_hotplug(eeepc);
-       if (eeepc->hotplug_slot)
-               pci_hp_deregister(eeepc->hotplug_slot);
-       if (eeepc->hotplug_workqueue)
-               destroy_workqueue(eeepc->hotplug_workqueue);
-
-       if (eeepc->bluetooth_rfkill) {
-               rfkill_unregister(eeepc->bluetooth_rfkill);
-               rfkill_destroy(eeepc->bluetooth_rfkill);
-               eeepc->bluetooth_rfkill = NULL;
+       asus_rfkill_hotplug(asus);
+       if (asus->hotplug_slot)
+               pci_hp_deregister(asus->hotplug_slot);
+       if (asus->hotplug_workqueue)
+               destroy_workqueue(asus->hotplug_workqueue);
+
+       if (asus->bluetooth.rfkill) {
+               rfkill_unregister(asus->bluetooth.rfkill);
+               rfkill_destroy(asus->bluetooth.rfkill);
+               asus->bluetooth.rfkill = NULL;
        }
-       if (eeepc->wimax_rfkill) {
-               rfkill_unregister(eeepc->wimax_rfkill);
-               rfkill_destroy(eeepc->wimax_rfkill);
-               eeepc->wimax_rfkill = NULL;
+       if (asus->wimax.rfkill) {
+               rfkill_unregister(asus->wimax.rfkill);
+               rfkill_destroy(asus->wimax.rfkill);
+               asus->wimax.rfkill = NULL;
        }
-       if (eeepc->wwan3g_rfkill) {
-               rfkill_unregister(eeepc->wwan3g_rfkill);
-               rfkill_destroy(eeepc->wwan3g_rfkill);
-               eeepc->wwan3g_rfkill = NULL;
+       if (asus->wwan3g.rfkill) {
+               rfkill_unregister(asus->wwan3g.rfkill);
+               rfkill_destroy(asus->wwan3g.rfkill);
+               asus->wwan3g.rfkill = NULL;
        }
 }
 
-static int eeepc_wmi_rfkill_init(struct eeepc_wmi *eeepc)
+static int asus_wmi_rfkill_init(struct asus_wmi *asus)
 {
        int result = 0;
 
-       mutex_init(&eeepc->hotplug_lock);
-       mutex_init(&eeepc->wmi_lock);
+       mutex_init(&asus->hotplug_lock);
+       mutex_init(&asus->wmi_lock);
 
-       result = eeepc_new_rfkill(eeepc, &eeepc->wlan_rfkill,
-                                 "eeepc-wlan", RFKILL_TYPE_WLAN,
-                                 EEEPC_WMI_DEVID_WLAN);
+       result = asus_new_rfkill(asus, &asus->wlan, "asus-wlan",
+                                RFKILL_TYPE_WLAN, ASUS_WMI_DEVID_WLAN);
 
        if (result && result != -ENODEV)
                goto exit;
 
-       result = eeepc_new_rfkill(eeepc, &eeepc->bluetooth_rfkill,
-                                 "eeepc-bluetooth", RFKILL_TYPE_BLUETOOTH,
-                                 EEEPC_WMI_DEVID_BLUETOOTH);
+       result = asus_new_rfkill(asus, &asus->bluetooth,
+                                "asus-bluetooth", RFKILL_TYPE_BLUETOOTH,
+                                ASUS_WMI_DEVID_BLUETOOTH);
 
        if (result && result != -ENODEV)
                goto exit;
 
-       result = eeepc_new_rfkill(eeepc, &eeepc->wimax_rfkill,
-                                 "eeepc-wimax", RFKILL_TYPE_WIMAX,
-                                 EEEPC_WMI_DEVID_WIMAX);
+       result = asus_new_rfkill(asus, &asus->wimax, "asus-wimax",
+                                RFKILL_TYPE_WIMAX, ASUS_WMI_DEVID_WIMAX);
 
        if (result && result != -ENODEV)
                goto exit;
 
-       result = eeepc_new_rfkill(eeepc, &eeepc->wwan3g_rfkill,
-                                 "eeepc-wwan3g", RFKILL_TYPE_WWAN,
-                                 EEEPC_WMI_DEVID_WWAN3G);
+       result = asus_new_rfkill(asus, &asus->wwan3g, "asus-wwan3g",
+                                RFKILL_TYPE_WWAN, ASUS_WMI_DEVID_WWAN3G);
 
        if (result && result != -ENODEV)
                goto exit;
 
-       if (!eeepc->hotplug_wireless)
+       if (!asus->driver->hotplug_wireless)
                goto exit;
 
-       result = eeepc_setup_pci_hotplug(eeepc);
+       result = asus_setup_pci_hotplug(asus);
        /*
         * If we get -EBUSY then something else is handling the PCI hotplug -
         * don't fail in this case
@@ -778,18 +774,18 @@ static int eeepc_wmi_rfkill_init(struct eeepc_wmi *eeepc)
        if (result == -EBUSY)
                result = 0;
 
-       eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P5");
-       eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P6");
-       eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P7");
+       asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P5");
+       asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P6");
+       asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P7");
        /*
         * Refresh pci hotplug in case the rfkill state was changed during
         * setup.
         */
-       eeepc_rfkill_hotplug(eeepc);
+       asus_rfkill_hotplug(asus);
 
 exit:
        if (result && result != -ENODEV)
-               eeepc_wmi_rfkill_exit(eeepc);
+               asus_wmi_rfkill_exit(asus);
 
        if (result == -ENODEV)
                result = 0;
@@ -797,12 +793,130 @@ exit:
        return result;
 }
 
+/*
+ * Hwmon device
+ */
+static ssize_t asus_hwmon_pwm1(struct device *dev,
+                           struct device_attribute *attr,
+                           char *buf)
+{
+       struct asus_wmi *asus = dev_get_drvdata(dev);
+       u32 value;
+       int err;
+
+       err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, &value);
+
+       if (err < 0)
+               return err;
+
+       value |= 0xFF;
+
+       if (value == 1) /* Low Speed */
+               value = 85;
+       else if (value == 2)
+               value = 170;
+       else if (value == 3)
+               value = 255;
+       else if (value != 0) {
+               pr_err("Unknown fan speed %#x", value);
+               value = -1;
+       }
+
+       return sprintf(buf, "%d\n", value);
+}
+
+static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO, asus_hwmon_pwm1, NULL, 0);
+
+static ssize_t
+show_name(struct device *dev, struct device_attribute *attr, char *buf)
+{
+       return sprintf(buf, "asus\n");
+}
+static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, 0);
+
+static struct attribute *hwmon_attributes[] = {
+       &sensor_dev_attr_pwm1.dev_attr.attr,
+       &sensor_dev_attr_name.dev_attr.attr,
+       NULL
+};
+
+static mode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
+                                   struct attribute *attr, int idx)
+{
+       struct device *dev = container_of(kobj, struct device, kobj);
+       struct platform_device *pdev = to_platform_device(dev->parent);
+       struct asus_wmi *asus = platform_get_drvdata(pdev);
+       bool ok = true;
+       int dev_id = -1;
+       u32 value = ASUS_WMI_UNSUPPORTED_METHOD;
+
+       if (attr == &sensor_dev_attr_pwm1.dev_attr.attr)
+               dev_id = ASUS_WMI_DEVID_FAN_CTRL;
+
+       if (dev_id != -1) {
+               int err = asus_wmi_get_devstate(asus, dev_id, &value);
+
+               if (err < 0)
+                       return err;
+       }
+
+       if (dev_id == ASUS_WMI_DEVID_FAN_CTRL) {
+               /*
+                * We need to find a better way, probably using sfun,
+                * bits or spec ...
+                * Currently we disable it if:
+                * - ASUS_WMI_UNSUPPORTED_METHOD is returned
+                * - reverved bits are non-zero
+                * - sfun and presence bit are not set
+                */
+               if (value != ASUS_WMI_UNSUPPORTED_METHOD || value & 0xFFF80000
+                   || (!asus->sfun && !(value & ASUS_WMI_DSTS_PRESENCE_BIT)))
+                       ok = false;
+       }
+
+       return ok ? attr->mode : 0;
+}
+
+static struct attribute_group hwmon_attribute_group = {
+       .is_visible = asus_hwmon_sysfs_is_visible,
+       .attrs = hwmon_attributes
+};
+
+static void asus_wmi_hwmon_exit(struct asus_wmi *asus)
+{
+       struct device *hwmon;
+
+       hwmon = asus->hwmon_device;
+       if (!hwmon)
+               return;
+       sysfs_remove_group(&hwmon->kobj, &hwmon_attribute_group);
+       hwmon_device_unregister(hwmon);
+       asus->hwmon_device = NULL;
+}
+
+static int asus_wmi_hwmon_init(struct asus_wmi *asus)
+{
+       struct device *hwmon;
+       int result;
+
+       hwmon = hwmon_device_register(&asus->platform_device->dev);
+       if (IS_ERR(hwmon)) {
+               pr_err("Could not register asus hwmon device\n");
+               return PTR_ERR(hwmon);
+       }
+       asus->hwmon_device = hwmon;
+       result = sysfs_create_group(&hwmon->kobj, &hwmon_attribute_group);
+       if (result)
+               asus_wmi_hwmon_exit(asus);
+       return result;
+}
+
 /*
  * Backlight
  */
-static int read_backlight_power(void)
+static int read_backlight_power(struct asus_wmi *asus)
 {
-       int ret = eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_BACKLIGHT);
+       int ret = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_BACKLIGHT);
 
        if (ret < 0)
                return ret;
@@ -810,53 +924,70 @@ static int read_backlight_power(void)
        return ret ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
 }
 
+static int read_brightness_max(struct asus_wmi *asus)
+{
+       u32 retval;
+       int err;
+
+       err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
+
+       if (err < 0)
+               return err;
+
+       retval = retval & ASUS_WMI_DSTS_MAX_BRIGTH_MASK;
+       retval >>= 8;
+
+       if (!retval)
+               return -ENODEV;
+
+       return retval;
+}
+
 static int read_brightness(struct backlight_device *bd)
 {
+       struct asus_wmi *asus = bl_get_data(bd);
        u32 retval;
-       acpi_status status;
+       int err;
 
-       status = eeepc_wmi_get_devstate(EEEPC_WMI_DEVID_BRIGHTNESS, &retval);
+       err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
 
-       if (ACPI_FAILURE(status))
-               return -EIO;
-       else
-               return retval & EEEPC_WMI_DSTS_BRIGHTNESS_MASK;
+       if (err < 0)
+               return err;
+
+       return retval & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
 }
 
 static int update_bl_status(struct backlight_device *bd)
 {
+       struct asus_wmi *asus = bl_get_data(bd);
        u32 ctrl_param;
-       acpi_status status;
-       int power;
+       int power, err;
 
        ctrl_param = bd->props.brightness;
 
-       status = eeepc_wmi_set_devstate(EEEPC_WMI_DEVID_BRIGHTNESS,
-                                       ctrl_param, NULL);
+       err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS,
+                                   ctrl_param, NULL);
 
-       if (ACPI_FAILURE(status))
-               return -EIO;
+       if (err < 0)
+               return err;
 
-       power = read_backlight_power();
+       power = read_backlight_power(asus);
        if (power != -ENODEV && bd->props.power != power) {
                ctrl_param = !!(bd->props.power == FB_BLANK_UNBLANK);
-               status = eeepc_wmi_set_devstate(EEEPC_WMI_DEVID_BACKLIGHT,
-                                               ctrl_param, NULL);
-
-               if (ACPI_FAILURE(status))
-                       return -EIO;
+               err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT,
+                                           ctrl_param, NULL);
        }
-       return 0;
+       return err;
 }
 
-static const struct backlight_ops eeepc_wmi_bl_ops = {
+static const struct backlight_ops asus_wmi_bl_ops = {
        .get_brightness = read_brightness,
        .update_status = update_bl_status,
 };
 
-static int eeepc_wmi_backlight_notify(struct eeepc_wmi *eeepc, int code)
+static int asus_wmi_backlight_notify(struct asus_wmi *asus, int code)
 {
-       struct backlight_device *bd = eeepc->backlight_device;
+       struct backlight_device *bd = asus->backlight_device;
        int old = bd->props.brightness;
        int new = old;
 
@@ -872,42 +1003,38 @@ static int eeepc_wmi_backlight_notify(struct eeepc_wmi *eeepc, int code)
        return old;
 }
 
-static int eeepc_wmi_backlight_init(struct eeepc_wmi *eeepc)
+static int asus_wmi_backlight_init(struct asus_wmi *asus)
 {
        struct backlight_device *bd;
        struct backlight_properties props;
        int max;
        int power;
 
-       max = eeepc_wmi_get_devstate_bits(EEEPC_WMI_DEVID_BRIGHTNESS,
-                                         EEEPC_WMI_DSTS_MAX_BRIGTH_MASK);
-       power = read_backlight_power();
+       max = read_brightness_max(asus);
 
-       if (max < 0 && power < 0) {
-               /* Try to keep the original error */
-               if (max == -ENODEV && power == -ENODEV)
-                       return -ENODEV;
-               if (max != -ENODEV)
-                       return max;
-               else
-                       return power;
-       }
        if (max == -ENODEV)
                max = 0;
+       else if (max < 0)
+               return max;
+
+       power = read_backlight_power(asus);
+
        if (power == -ENODEV)
                power = FB_BLANK_UNBLANK;
+       else if (power < 0)
+               return power;
 
        memset(&props, 0, sizeof(struct backlight_properties));
        props.max_brightness = max;
-       bd = backlight_device_register(EEEPC_WMI_FILE,
-                                      &eeepc->platform_device->dev, eeepc,
-                                      &eeepc_wmi_bl_ops, &props);
+       bd = backlight_device_register(asus->driver->name,
+                                      &asus->platform_device->dev, asus,
+                                      &asus_wmi_bl_ops, &props);
        if (IS_ERR(bd)) {
                pr_err("Could not register backlight device\n");
                return PTR_ERR(bd);
        }
 
-       eeepc->backlight_device = bd;
+       asus->backlight_device = bd;
 
        bd->props.brightness = read_brightness(bd);
        bd->props.power = power;
@@ -916,17 +1043,17 @@ static int eeepc_wmi_backlight_init(struct eeepc_wmi *eeepc)
        return 0;
 }
 
-static void eeepc_wmi_backlight_exit(struct eeepc_wmi *eeepc)
+static void asus_wmi_backlight_exit(struct asus_wmi *asus)
 {
-       if (eeepc->backlight_device)
-               backlight_device_unregister(eeepc->backlight_device);
+       if (asus->backlight_device)
+               backlight_device_unregister(asus->backlight_device);
 
-       eeepc->backlight_device = NULL;
+       asus->backlight_device = NULL;
 }
 
-static void eeepc_wmi_notify(u32 value, void *context)
+static void asus_wmi_notify(u32 value, void *context)
 {
-       struct eeepc_wmi *eeepc = context;
+       struct asus_wmi *asus = context;
        struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
        union acpi_object *obj;
        acpi_status status;
@@ -941,26 +1068,25 @@ static void eeepc_wmi_notify(u32 value, void *context)
 
        obj = (union acpi_object *)response.pointer;
 
-       if (obj && obj->type == ACPI_TYPE_INTEGER) {
-               code = obj->integer.value;
-               orig_code = code;
+       if (!obj || obj->type != ACPI_TYPE_INTEGER)
+               goto exit;
 
-               if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
-                       code = NOTIFY_BRNUP_MIN;
-               else if (code >= NOTIFY_BRNDOWN_MIN &&
-                        code <= NOTIFY_BRNDOWN_MAX)
-                       code = NOTIFY_BRNDOWN_MIN;
+       code = obj->integer.value;
+       orig_code = code;
 
-               if (code == NOTIFY_BRNUP_MIN || code == NOTIFY_BRNDOWN_MIN) {
-                       if (!acpi_video_backlight_support())
-                               eeepc_wmi_backlight_notify(eeepc, orig_code);
-               }
+       if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
+               code = NOTIFY_BRNUP_MIN;
+       else if (code >= NOTIFY_BRNDOWN_MIN &&
+                code <= NOTIFY_BRNDOWN_MAX)
+               code = NOTIFY_BRNDOWN_MIN;
 
-               if (!sparse_keymap_report_event(eeepc->inputdev,
-                                               code, 1, true))
-                       pr_info("Unknown key %x pressed\n", code);
-       }
+       if (code == NOTIFY_BRNUP_MIN || code == NOTIFY_BRNDOWN_MIN) {
+               if (!acpi_video_backlight_support())
+                       asus_wmi_backlight_notify(asus, orig_code);
+       } else if (!sparse_keymap_report_event(asus->inputdev, code, 1, true))
+               pr_info("Unknown key %x pressed\n", code);
 
+exit:
        kfree(obj);
 }
 
@@ -976,27 +1102,28 @@ static int parse_arg(const char *buf, unsigned long count, int *val)
        return count;
 }
 
-static ssize_t store_sys_wmi(int devid, const char *buf, size_t count)
+static ssize_t store_sys_wmi(struct asus_wmi *asus, int devid,
+                            const char *buf, size_t count)
 {
-       acpi_status status;
        u32 retval;
-       int rv, value;
+       int rv, err, value;
 
-       value = eeepc_wmi_get_devstate_simple(devid);
-       if (value == -ENODEV) /* Check device presence */
+       value = asus_wmi_get_devstate_simple(asus, devid);
+       if (value == -ENODEV)   /* Check device presence */
                return value;
 
        rv = parse_arg(buf, count, &value);
-       status = eeepc_wmi_set_devstate(devid, value, &retval);
+       err = asus_wmi_set_devstate(devid, value, &retval);
+
+       if (err < 0)
+               return err;
 
-       if (ACPI_FAILURE(status))
-               return -EIO;
        return rv;
 }
 
-static ssize_t show_sys_wmi(int devid, char *buf)
+static ssize_t show_sys_wmi(struct asus_wmi *asus, int devid, char *buf)
 {
-       int value = eeepc_wmi_get_devstate_simple(devid);
+       int value = asus_wmi_get_devstate_simple(asus, devid);
 
        if (value < 0)
                return value;
@@ -1004,18 +1131,22 @@ static ssize_t show_sys_wmi(int devid, char *buf)
        return sprintf(buf, "%d\n", value);
 }
 
-#define EEEPC_WMI_CREATE_DEVICE_ATTR(_name, _mode, _cm)                        \
+#define ASUS_WMI_CREATE_DEVICE_ATTR(_name, _mode, _cm)                 \
        static ssize_t show_##_name(struct device *dev,                 \
                                    struct device_attribute *attr,      \
                                    char *buf)                          \
        {                                                               \
-               return show_sys_wmi(_cm, buf);                          \
+               struct asus_wmi *asus = dev_get_drvdata(dev);           \
+                                                                       \
+               return show_sys_wmi(asus, _cm, buf);                    \
        }                                                               \
        static ssize_t store_##_name(struct device *dev,                \
                                     struct device_attribute *attr,     \
                                     const char *buf, size_t count)     \
        {                                                               \
-               return store_sys_wmi(_cm, buf, count);                  \
+               struct asus_wmi *asus = dev_get_drvdata(dev);           \
+                                                                       \
+               return store_sys_wmi(asus, _cm, buf, count);            \
        }                                                               \
        static struct device_attribute dev_attr_##_name = {             \
                .attr = {                                               \
@@ -1025,29 +1156,21 @@ static ssize_t show_sys_wmi(int devid, char *buf)
                .store  = store_##_name,                                \
        }
 
-EEEPC_WMI_CREATE_DEVICE_ATTR(touchpad, 0644, EEEPC_WMI_DEVID_TOUCHPAD);
-EEEPC_WMI_CREATE_DEVICE_ATTR(camera, 0644, EEEPC_WMI_DEVID_CAMERA);
-EEEPC_WMI_CREATE_DEVICE_ATTR(cardr, 0644, EEEPC_WMI_DEVID_CARDREADER);
+ASUS_WMI_CREATE_DEVICE_ATTR(touchpad, 0644, ASUS_WMI_DEVID_TOUCHPAD);
+ASUS_WMI_CREATE_DEVICE_ATTR(camera, 0644, ASUS_WMI_DEVID_CAMERA);
+ASUS_WMI_CREATE_DEVICE_ATTR(cardr, 0644, ASUS_WMI_DEVID_CARDREADER);
 
 static ssize_t store_cpufv(struct device *dev, struct device_attribute *attr,
                           const char *buf, size_t count)
 {
        int value;
-       struct acpi_buffer input = { (acpi_size)sizeof(value), &value };
-       acpi_status status;
 
        if (!count || sscanf(buf, "%i", &value) != 1)
                return -EINVAL;
        if (value < 0 || value > 2)
                return -EINVAL;
 
-       status = wmi_evaluate_method(EEEPC_WMI_MGMT_GUID,
-                                    1, EEEPC_WMI_METHODID_CFVS, &input, NULL);
-
-       if (ACPI_FAILURE(status))
-               return -EIO;
-       else
-               return count;
+       return asus_wmi_evaluate_method(ASUS_WMI_METHODID_CFVS, value, 0, NULL);
 }
 
 static DEVICE_ATTR(cpufv, S_IRUGO | S_IWUSR, NULL, store_cpufv);
@@ -1060,37 +1183,39 @@ static struct attribute *platform_attributes[] = {
        NULL
 };
 
-static mode_t eeepc_sysfs_is_visible(struct kobject *kobj,
-                                    struct attribute *attr,
-                                    int idx)
+static mode_t asus_sysfs_is_visible(struct kobject *kobj,
+                                   struct attribute *attr, int idx)
 {
-       bool supported = true;
+       struct device *dev = container_of(kobj, struct device, kobj);
+       struct platform_device *pdev = to_platform_device(dev);
+       struct asus_wmi *asus = platform_get_drvdata(pdev);
+       bool ok = true;
        int devid = -1;
 
        if (attr == &dev_attr_camera.attr)
-               devid = EEEPC_WMI_DEVID_CAMERA;
+               devid = ASUS_WMI_DEVID_CAMERA;
        else if (attr == &dev_attr_cardr.attr)
-               devid = EEEPC_WMI_DEVID_CARDREADER;
+               devid = ASUS_WMI_DEVID_CARDREADER;
        else if (attr == &dev_attr_touchpad.attr)
-               devid = EEEPC_WMI_DEVID_TOUCHPAD;
+               devid = ASUS_WMI_DEVID_TOUCHPAD;
 
        if (devid != -1)
-               supported = eeepc_wmi_get_devstate_simple(devid) != -ENODEV;
+               ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0);
 
-       return supported ? attr->mode : 0;
+       return ok ? attr->mode : 0;
 }
 
 static struct attribute_group platform_attribute_group = {
-       .is_visible     = eeepc_sysfs_is_visible,
-       .attrs          = platform_attributes
+       .is_visible = asus_sysfs_is_visible,
+       .attrs = platform_attributes
 };
 
-static void eeepc_wmi_sysfs_exit(struct platform_device *device)
+static void asus_wmi_sysfs_exit(struct platform_device *device)
 {
        sysfs_remove_group(&device->dev.kobj, &platform_attribute_group);
 }
 
-static int eeepc_wmi_sysfs_init(struct platform_device *device)
+static int asus_wmi_sysfs_init(struct platform_device *device)
 {
        return sysfs_create_group(&device->dev.kobj, &platform_attribute_group);
 }
@@ -1098,111 +1223,192 @@ static int eeepc_wmi_sysfs_init(struct platform_device *device)
 /*
  * Platform device
  */
-static int __init eeepc_wmi_platform_init(struct eeepc_wmi *eeepc)
+static int __init asus_wmi_platform_init(struct asus_wmi *asus)
 {
-       return eeepc_wmi_sysfs_init(eeepc->platform_device);
+       int rv;
+
+       /* INIT enable hotkeys on some models */
+       if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_INIT, 0, 0, &rv))
+               pr_info("Initialization: %#x", rv);
+
+       /* We don't know yet what to do with this version... */
+       if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SPEC, 0, 0x9, &rv)) {
+               pr_info("BIOS WMI version: %d.%d", rv >> 8, rv & 0xFF);
+               asus->spec = rv;
+       }
+
+       /*
+        * The SFUN method probably allows the original driver to get the list
+        * of features supported by a given model. For now, 0x0100 or 0x0800
+        * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card.
+        * The significance of others is yet to be found.
+        */
+       if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SFUN, 0, 0, &rv)) {
+               pr_info("SFUN value: %#x", rv);
+               asus->sfun = rv;
+       }
+
+       /*
+        * Eee PC and Notebooks seems to have different method_id for DSTS,
+        * but it may also be related to the BIOS's SPEC.
+        * Note, on most Eeepc, there is no way to check if a method exist
+        * or note, while on notebooks, they returns 0xFFFFFFFE on failure,
+        * but once again, SPEC may probably be used for that kind of things.
+        */
+       if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS, 0, 0, NULL))
+               asus->dsts_id = ASUS_WMI_METHODID_DSTS;
+       else if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS2, 0, 0, NULL))
+               asus->dsts_id = ASUS_WMI_METHODID_DSTS2;
+
+       if (!asus->dsts_id) {
+               pr_err("Can't find DSTS");
+               return -ENODEV;
+       }
+
+       return asus_wmi_sysfs_init(asus->platform_device);
 }
 
-static void eeepc_wmi_platform_exit(struct eeepc_wmi *eeepc)
+static void asus_wmi_platform_exit(struct asus_wmi *asus)
 {
-       eeepc_wmi_sysfs_exit(eeepc->platform_device);
+       asus_wmi_sysfs_exit(asus->platform_device);
 }
 
 /*
  * debugfs
  */
-struct eeepc_wmi_debugfs_node {
-       struct eeepc_wmi *eeepc;
+struct asus_wmi_debugfs_node {
+       struct asus_wmi *asus;
        char *name;
-       int (*show)(struct seq_file *m, void *data);
+       int (*show) (struct seq_file *m, void *data);
 };
 
 static int show_dsts(struct seq_file *m, void *data)
 {
-       struct eeepc_wmi *eeepc = m->private;
-       acpi_status status;
+       struct asus_wmi *asus = m->private;
+       int err;
        u32 retval = -1;
 
-       status = eeepc_wmi_get_devstate(eeepc->debug.dev_id, &retval);
+       err = asus_wmi_get_devstate(asus, asus->debug.dev_id, &retval);
 
-       if (ACPI_FAILURE(status))
-               return -EIO;
+       if (err < 0)
+               return err;
 
-       seq_printf(m, "DSTS(%x) = %x\n", eeepc->debug.dev_id, retval);
+       seq_printf(m, "DSTS(%#x) = %#x\n", asus->debug.dev_id, retval);
 
        return 0;
 }
 
 static int show_devs(struct seq_file *m, void *data)
 {
-       struct eeepc_wmi *eeepc = m->private;
-       acpi_status status;
+       struct asus_wmi *asus = m->private;
+       int err;
        u32 retval = -1;
 
-       status = eeepc_wmi_set_devstate(eeepc->debug.dev_id,
-                                       eeepc->debug.ctrl_param, &retval);
+       err = asus_wmi_set_devstate(asus->debug.dev_id, asus->debug.ctrl_param,
+                                   &retval);
+
+       if (err < 0)
+               return err;
+
+       seq_printf(m, "DEVS(%#x, %#x) = %#x\n", asus->debug.dev_id,
+                  asus->debug.ctrl_param, retval);
+
+       return 0;
+}
+
+static int show_call(struct seq_file *m, void *data)
+{
+       struct asus_wmi *asus = m->private;
+       struct bios_args args = {
+               .arg0 = asus->debug.dev_id,
+               .arg1 = asus->debug.ctrl_param,
+       };
+       struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
+       struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
+       union acpi_object *obj;
+       acpi_status status;
+
+       status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID,
+                                    1, asus->debug.method_id,
+                                    &input, &output);
+
        if (ACPI_FAILURE(status))
                return -EIO;
 
-       seq_printf(m, "DEVS(%x, %x) = %x\n", eeepc->debug.dev_id,
-                  eeepc->debug.ctrl_param, retval);
+       obj = (union acpi_object *)output.pointer;
+       if (obj && obj->type == ACPI_TYPE_INTEGER)
+               seq_printf(m, "%#x(%#x, %#x) = %#x\n", asus->debug.method_id,
+                          asus->debug.dev_id, asus->debug.ctrl_param,
+                          (u32) obj->integer.value);
+       else
+               seq_printf(m, "%#x(%#x, %#x) = t:%d\n", asus->debug.method_id,
+                          asus->debug.dev_id, asus->debug.ctrl_param,
+                          obj ? obj->type : -1);
+
+       kfree(obj);
 
        return 0;
 }
 
-static struct eeepc_wmi_debugfs_node eeepc_wmi_debug_files[] = {
-       { NULL, "devs", show_devs },
-       { NULL, "dsts", show_dsts },
+static struct asus_wmi_debugfs_node asus_wmi_debug_files[] = {
+       {NULL, "devs", show_devs},
+       {NULL, "dsts", show_dsts},
+       {NULL, "call", show_call},
 };
 
-static int eeepc_wmi_debugfs_open(struct inode *inode, struct file *file)
+static int asus_wmi_debugfs_open(struct inode *inode, struct file *file)
 {
-       struct eeepc_wmi_debugfs_node *node = inode->i_private;
+       struct asus_wmi_debugfs_node *node = inode->i_private;
 
-       return single_open(file, node->show, node->eeepc);
+       return single_open(file, node->show, node->asus);
 }
 
-static const struct file_operations eeepc_wmi_debugfs_io_ops = {
+static const struct file_operations asus_wmi_debugfs_io_ops = {
        .owner = THIS_MODULE,
-       .open  = eeepc_wmi_debugfs_open,
+       .open = asus_wmi_debugfs_open,
        .read = seq_read,
        .llseek = seq_lseek,
        .release = single_release,
 };
 
-static void eeepc_wmi_debugfs_exit(struct eeepc_wmi *eeepc)
+static void asus_wmi_debugfs_exit(struct asus_wmi *asus)
 {
-       debugfs_remove_recursive(eeepc->debug.root);
+       debugfs_remove_recursive(asus->debug.root);
 }
 
-static int eeepc_wmi_debugfs_init(struct eeepc_wmi *eeepc)
+static int asus_wmi_debugfs_init(struct asus_wmi *asus)
 {
        struct dentry *dent;
        int i;
 
-       eeepc->debug.root = debugfs_create_dir(EEEPC_WMI_FILE, NULL);
-       if (!eeepc->debug.root) {
+       asus->debug.root = debugfs_create_dir(asus->driver->name, NULL);
+       if (!asus->debug.root) {
                pr_err("failed to create debugfs directory");
                goto error_debugfs;
        }
 
-       dent = debugfs_create_x32("dev_id", S_IRUGO|S_IWUSR,
-                                 eeepc->debug.root, &eeepc->debug.dev_id);
+       dent = debugfs_create_x32("method_id", S_IRUGO | S_IWUSR,
+                                 asus->debug.root, &asus->debug.method_id);
+       if (!dent)
+               goto error_debugfs;
+
+       dent = debugfs_create_x32("dev_id", S_IRUGO | S_IWUSR,
+                                 asus->debug.root, &asus->debug.dev_id);
        if (!dent)
                goto error_debugfs;
 
-       dent = debugfs_create_x32("ctrl_param", S_IRUGO|S_IWUSR,
-                                 eeepc->debug.root, &eeepc->debug.ctrl_param);
+       dent = debugfs_create_x32("ctrl_param", S_IRUGO | S_IWUSR,
+                                 asus->debug.root, &asus->debug.ctrl_param);
        if (!dent)
                goto error_debugfs;
 
-       for (i = 0; i < ARRAY_SIZE(eeepc_wmi_debug_files); i++) {
-               struct eeepc_wmi_debugfs_node *node = &eeepc_wmi_debug_files[i];
+       for (i = 0; i < ARRAY_SIZE(asus_wmi_debug_files); i++) {
+               struct asus_wmi_debugfs_node *node = &asus_wmi_debug_files[i];
 
-               node->eeepc = eeepc;
+               node->asus = asus;
                dent = debugfs_create_file(node->name, S_IFREG | S_IRUGO,
-                                          eeepc->debug.root, node,
-                                          &eeepc_wmi_debugfs_io_ops);
+                                          asus->debug.root, node,
+                                          &asus_wmi_debugfs_io_ops);
                if (!dent) {
                        pr_err("failed to create debug file: %s\n", node->name);
                        goto error_debugfs;
@@ -1212,131 +1418,119 @@ static int eeepc_wmi_debugfs_init(struct eeepc_wmi *eeepc)
        return 0;
 
 error_debugfs:
-       eeepc_wmi_debugfs_exit(eeepc);
+       asus_wmi_debugfs_exit(asus);
        return -ENOMEM;
 }
 
 /*
  * WMI Driver
  */
-static void eeepc_dmi_check(struct eeepc_wmi *eeepc)
+static int asus_wmi_add(struct platform_device *pdev)
 {
-       const char *model;
-
-       model = dmi_get_system_info(DMI_PRODUCT_NAME);
-       if (!model)
-               return;
-
-       /*
-        * Whitelist for wlan hotplug
-        *
-        * Eeepc 1000H needs the current hotplug code to handle
-        * Fn+F2 correctly. We may add other Eeepc here later, but
-        * it seems that most of the laptops supported by eeepc-wmi
-        * don't need to be on this list
-        */
-       if (strcmp(model, "1000H") == 0) {
-               eeepc->hotplug_wireless = true;
-               pr_info("wlan hotplug enabled\n");
-       }
-}
-
-static int __init eeepc_wmi_add(struct platform_device *pdev)
-{
-       struct eeepc_wmi *eeepc;
+       struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
+       struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv);
+       struct asus_wmi *asus;
        acpi_status status;
        int err;
 
-       eeepc = kzalloc(sizeof(struct eeepc_wmi), GFP_KERNEL);
-       if (!eeepc)
+       asus = kzalloc(sizeof(struct asus_wmi), GFP_KERNEL);
+       if (!asus)
                return -ENOMEM;
 
-       eeepc->platform_device = pdev;
-       platform_set_drvdata(eeepc->platform_device, eeepc);
+       asus->driver = wdrv;
+       asus->platform_device = pdev;
+       wdrv->platform_device = pdev;
+       platform_set_drvdata(asus->platform_device, asus);
 
-       eeepc->hotplug_wireless = hotplug_wireless;
-       eeepc_dmi_check(eeepc);
+       if (wdrv->quirks)
+               wdrv->quirks(asus->driver);
 
-       err = eeepc_wmi_platform_init(eeepc);
+       err = asus_wmi_platform_init(asus);
        if (err)
                goto fail_platform;
 
-       err = eeepc_wmi_input_init(eeepc);
+       err = asus_wmi_input_init(asus);
        if (err)
                goto fail_input;
 
-       err = eeepc_wmi_led_init(eeepc);
+       err = asus_wmi_hwmon_init(asus);
+       if (err)
+               goto fail_hwmon;
+
+       err = asus_wmi_led_init(asus);
        if (err)
                goto fail_leds;
 
-       err = eeepc_wmi_rfkill_init(eeepc);
+       err = asus_wmi_rfkill_init(asus);
        if (err)
                goto fail_rfkill;
 
        if (!acpi_video_backlight_support()) {
-               err = eeepc_wmi_backlight_init(eeepc);
+               err = asus_wmi_backlight_init(asus);
                if (err && err != -ENODEV)
                        goto fail_backlight;
        } else
                pr_info("Backlight controlled by ACPI video driver\n");
 
-       status = wmi_install_notify_handler(EEEPC_WMI_EVENT_GUID,
-                                           eeepc_wmi_notify, eeepc);
+       status = wmi_install_notify_handler(asus->driver->event_guid,
+                                           asus_wmi_notify, asus);
        if (ACPI_FAILURE(status)) {
-               pr_err("Unable to register notify handler - %d\n",
-                       status);
+               pr_err("Unable to register notify handler - %d\n", status);
                err = -ENODEV;
                goto fail_wmi_handler;
        }
 
-       err = eeepc_wmi_debugfs_init(eeepc);
+       err = asus_wmi_debugfs_init(asus);
        if (err)
                goto fail_debugfs;
 
        return 0;
 
 fail_debugfs:
-       wmi_remove_notify_handler(EEEPC_WMI_EVENT_GUID);
+       wmi_remove_notify_handler(asus->driver->event_guid);
 fail_wmi_handler:
-       eeepc_wmi_backlight_exit(eeepc);
+       asus_wmi_backlight_exit(asus);
 fail_backlight:
-       eeepc_wmi_rfkill_exit(eeepc);
+       asus_wmi_rfkill_exit(asus);
 fail_rfkill:
-       eeepc_wmi_led_exit(eeepc);
+       asus_wmi_led_exit(asus);
 fail_leds:
-       eeepc_wmi_input_exit(eeepc);
+       asus_wmi_hwmon_exit(asus);
+fail_hwmon:
+       asus_wmi_input_exit(asus);
 fail_input:
-       eeepc_wmi_platform_exit(eeepc);
+       asus_wmi_platform_exit(asus);
 fail_platform:
-       kfree(eeepc);
+       kfree(asus);
        return err;
 }
 
-static int __exit eeepc_wmi_remove(struct platform_device *device)
+static int asus_wmi_remove(struct platform_device *device)
 {
-       struct eeepc_wmi *eeepc;
-
-       eeepc = platform_get_drvdata(device);
-       wmi_remove_notify_handler(EEEPC_WMI_EVENT_GUID);
-       eeepc_wmi_backlight_exit(eeepc);
-       eeepc_wmi_input_exit(eeepc);
-       eeepc_wmi_led_exit(eeepc);
-       eeepc_wmi_rfkill_exit(eeepc);
-       eeepc_wmi_debugfs_exit(eeepc);
-       eeepc_wmi_platform_exit(eeepc);
-
-       kfree(eeepc);
+       struct asus_wmi *asus;
+
+       asus = platform_get_drvdata(device);
+       wmi_remove_notify_handler(asus->driver->event_guid);
+       asus_wmi_backlight_exit(asus);
+       asus_wmi_input_exit(asus);
+       asus_wmi_hwmon_exit(asus);
+       asus_wmi_led_exit(asus);
+       asus_wmi_rfkill_exit(asus);
+       asus_wmi_debugfs_exit(asus);
+       asus_wmi_platform_exit(asus);
+
+       kfree(asus);
        return 0;
 }
 
 /*
  * Platform driver - hibernate/resume callbacks
  */
-static int eeepc_hotk_thaw(struct device *device)
+static int asus_hotk_thaw(struct device *device)
 {
-       struct eeepc_wmi *eeepc = dev_get_drvdata(device);
+       struct asus_wmi *asus = dev_get_drvdata(device);
 
-       if (eeepc->wlan_rfkill) {
+       if (asus->wlan.rfkill) {
                bool wlan;
 
                /*
@@ -1344,111 +1538,119 @@ static int eeepc_hotk_thaw(struct device *device)
                 * during suspend.  Normally it restores it on resume, but
                 * we should kick it ourselves in case hibernation is aborted.
                 */
-               wlan = eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_WLAN);
-               eeepc_wmi_set_devstate(EEEPC_WMI_DEVID_WLAN, wlan, NULL);
+               wlan = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
+               asus_wmi_set_devstate(ASUS_WMI_DEVID_WLAN, wlan, NULL);
        }
 
        return 0;
 }
 
-static int eeepc_hotk_restore(struct device *device)
+static int asus_hotk_restore(struct device *device)
 {
-       struct eeepc_wmi *eeepc = dev_get_drvdata(device);
+       struct asus_wmi *asus = dev_get_drvdata(device);
        int bl;
 
        /* Refresh both wlan rfkill state and pci hotplug */
-       if (eeepc->wlan_rfkill)
-               eeepc_rfkill_hotplug(eeepc);
+       if (asus->wlan.rfkill)
+               asus_rfkill_hotplug(asus);
 
-       if (eeepc->bluetooth_rfkill) {
-               bl = !eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_BLUETOOTH);
-               rfkill_set_sw_state(eeepc->bluetooth_rfkill, bl);
+       if (asus->bluetooth.rfkill) {
+               bl = !asus_wmi_get_devstate_simple(asus,
+                                                  ASUS_WMI_DEVID_BLUETOOTH);
+               rfkill_set_sw_state(asus->bluetooth.rfkill, bl);
        }
-       if (eeepc->wimax_rfkill) {
-               bl = !eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_WIMAX);
-               rfkill_set_sw_state(eeepc->wimax_rfkill, bl);
+       if (asus->wimax.rfkill) {
+               bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WIMAX);
+               rfkill_set_sw_state(asus->wimax.rfkill, bl);
        }
-       if (eeepc->wwan3g_rfkill) {
-               bl = !eeepc_wmi_get_devstate_simple(EEEPC_WMI_DEVID_WWAN3G);
-               rfkill_set_sw_state(eeepc->wwan3g_rfkill, bl);
+       if (asus->wwan3g.rfkill) {
+               bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WWAN3G);
+               rfkill_set_sw_state(asus->wwan3g.rfkill, bl);
        }
 
        return 0;
 }
 
-static const struct dev_pm_ops eeepc_pm_ops = {
-       .thaw = eeepc_hotk_thaw,
-       .restore = eeepc_hotk_restore,
-};
-
-static struct platform_driver platform_driver = {
-       .remove = __exit_p(eeepc_wmi_remove),
-       .driver = {
-               .name = EEEPC_WMI_FILE,
-               .owner = THIS_MODULE,
-               .pm = &eeepc_pm_ops,
-       },
+static const struct dev_pm_ops asus_pm_ops = {
+       .thaw = asus_hotk_thaw,
+       .restore = asus_hotk_restore,
 };
 
-static acpi_status __init eeepc_wmi_parse_device(acpi_handle handle, u32 level,
-                                                void *context, void **retval)
-{
-       pr_warning("Found legacy ATKD device (%s)", EEEPC_ACPI_HID);
-       *(bool *)context = true;
-       return AE_CTRL_TERMINATE;
-}
-
-static int __init eeepc_wmi_check_atkd(void)
+static int asus_wmi_probe(struct platform_device *pdev)
 {
-       acpi_status status;
-       bool found = false;
-
-       status = acpi_get_devices(EEEPC_ACPI_HID, eeepc_wmi_parse_device,
-                                 &found, NULL);
-
-       if (ACPI_FAILURE(status) || !found)
-               return 0;
-       return -1;
-}
+       struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
+       struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv);
+       int ret;
 
-static int __init eeepc_wmi_probe(struct platform_device *pdev)
-{
-       if (!wmi_has_guid(EEEPC_WMI_EVENT_GUID) ||
-           !wmi_has_guid(EEEPC_WMI_MGMT_GUID)) {
-               pr_warning("No known WMI GUID found\n");
+       if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) {
+               pr_warning("Management GUID not found\n");
                return -ENODEV;
        }
 
-       if (eeepc_wmi_check_atkd()) {
-               pr_warning("WMI device present, but legacy ATKD device is also "
-                          "present and enabled.");
-               pr_warning("You probably booted with acpi_osi=\"Linux\" or "
-                          "acpi_osi=\"!Windows 2009\"");
-               pr_warning("Can't load eeepc-wmi, use default acpi_osi "
-                          "(preferred) or eeepc-laptop");
+       if (wdrv->event_guid && !wmi_has_guid(wdrv->event_guid)) {
+               pr_warning("Event GUID not found\n");
                return -ENODEV;
        }
 
-       return eeepc_wmi_add(pdev);
+       if (wdrv->probe) {
+               ret = wdrv->probe(pdev);
+               if (ret)
+                       return ret;
+       }
+
+       return asus_wmi_add(pdev);
 }
 
-static struct platform_device *platform_device;
+static bool used;
 
-static int __init eeepc_wmi_init(void)
+int asus_wmi_register_driver(struct asus_wmi_driver *driver)
 {
-       platform_device = platform_create_bundle(&platform_driver,
-                                                eeepc_wmi_probe,
+       struct platform_driver *platform_driver;
+       struct platform_device *platform_device;
+
+       if (used)
+               return -EBUSY;
+
+       platform_driver = &driver->platform_driver;
+       platform_driver->remove = asus_wmi_remove;
+       platform_driver->driver.owner = driver->owner;
+       platform_driver->driver.name = driver->name;
+       platform_driver->driver.pm = &asus_pm_ops;
+
+       platform_device = platform_create_bundle(platform_driver,
+                                                asus_wmi_probe,
                                                 NULL, 0, NULL, 0);
        if (IS_ERR(platform_device))
                return PTR_ERR(platform_device);
+
+       used = true;
+       return 0;
+}
+EXPORT_SYMBOL_GPL(asus_wmi_register_driver);
+
+void asus_wmi_unregister_driver(struct asus_wmi_driver *driver)
+{
+       platform_device_unregister(driver->platform_device);
+       platform_driver_unregister(&driver->platform_driver);
+       used = false;
+}
+EXPORT_SYMBOL_GPL(asus_wmi_unregister_driver);
+
+static int __init asus_wmi_init(void)
+{
+       if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) {
+               pr_info("Asus Management GUID not found");
+               return -ENODEV;
+       }
+
+       pr_info("ASUS WMI generic driver loaded");
        return 0;
 }
 
-static void __exit eeepc_wmi_exit(void)
+static void __exit asus_wmi_exit(void)
 {
-       platform_device_unregister(platform_device);
-       platform_driver_unregister(&platform_driver);
+       pr_info("ASUS WMI generic driver unloaded");
 }
 
-module_init(eeepc_wmi_init);
-module_exit(eeepc_wmi_exit);
+module_init(asus_wmi_init);
+module_exit(asus_wmi_exit);