/*
* asus_acpi.c - Asus Laptop ACPI Extras
*
*
* Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*
* The development page for this driver is located at
* http://sourceforge.net/projects/acpi4asus/
*
* Credits:
* Pontus Fuchs - Helper functions, cleanup
* Johann Wiesner - Small compile fixes
* John Belmonte - ACPI code for Toshiba laptop was a good starting point.
* �ic Burghard - LED display support for W1N
*
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <linux/backlight.h>
#include <acpi/acpi_drivers.h>
#include <acpi/acpi_bus.h>
#include <asm/uaccess.h>
#define ASUS_ACPI_VERSION "0.30"
#define PROC_ASUS "asus" //the directory
#define PROC_MLED "mled"
#define PROC_WLED "wled"
#define PROC_TLED "tled"
#define PROC_BT "bluetooth"
#define PROC_LEDD "ledd"
#define PROC_INFO "info"
#define PROC_LCD "lcd"
#define PROC_BRN "brn"
#define PROC_DISP "disp"
#define ACPI_HOTK_NAME "Asus Laptop ACPI Extras Driver"
#define ACPI_HOTK_CLASS "hotkey"
#define ACPI_HOTK_DEVICE_NAME "Hotkey"
#define ACPI_HOTK_HID "ATK0100"
/*
* Some events we use, same for all Asus
*/
#define BR_UP 0x10
#define BR_DOWN 0x20
/*
* Flags for hotk status
*/
#define MLED_ON 0x01 //mail LED
#define WLED_ON 0x02 //wireless LED
#define TLED_ON 0x04 //touchpad LED
#define BT_ON 0x08 //internal Bluetooth
MODULE_AUTHOR("Julien Lerouge, Karol Kozimor");
MODULE_DESCRIPTION(ACPI_HOTK_NAME);
MODULE_LICENSE("GPL");
static uid_t asus_uid;
static gid_t asus_gid;
module_param(asus_uid, uint, 0);
MODULE_PARM_DESC(asus_uid, "UID for entries in /proc/acpi/asus.\n");
module_param(asus_gid, uint, 0);
MODULE_PARM_DESC(asus_gid, "GID for entries in /proc/acpi/asus.\n");
/* For each model, all features implemented,
* those marked with R are relative to HOTK, A for absolute */
struct model_data {
char *name; //name of the laptop________________A
char *mt_mled; //method to handle mled_____________R
char *mled_status; //node to handle mled reading_______A
char *mt_wled; //method to handle wled_____________R
char *wled_status; //node to handle wled reading_______A
char