2007-01-26 13:04:30 +00:00
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/*
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* asus-laptop.c - Asus Laptop Support
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*
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*
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* Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor
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* Copyright (C) 2006 Corentin Chary
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*
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* The development page for this driver is located at
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* http://sourceforge.net/projects/acpi4asus/
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*
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* Credits:
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* Pontus Fuchs - Helper functions, cleanup
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* Johann Wiesner - Small compile fixes
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* John Belmonte - ACPI code for Toshiba laptop was a good starting point.
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* Eric Burghard - LED display support for W1N
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* Josh Green - Light Sens support
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* Thomas Tuttle - His first patch for led support was very helpfull
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*
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*/
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#include <linux/autoconf.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/err.h>
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#include <linux/proc_fs.h>
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2007-01-26 13:04:45 +00:00
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#include <linux/backlight.h>
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#include <linux/fb.h>
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2007-01-26 13:04:35 +00:00
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#include <linux/leds.h>
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2007-01-26 13:04:30 +00:00
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#include <linux/platform_device.h>
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#include <acpi/acpi_drivers.h>
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#include <acpi/acpi_bus.h>
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#include <asm/uaccess.h>
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#define ASUS_LAPTOP_VERSION "0.40"
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#define ASUS_HOTK_NAME "Asus Laptop Support"
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#define ASUS_HOTK_CLASS "hotkey"
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#define ASUS_HOTK_DEVICE_NAME "Hotkey"
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#define ASUS_HOTK_HID "ATK0100"
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#define ASUS_HOTK_FILE "asus-laptop"
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#define ASUS_HOTK_PREFIX "\\_SB.ATKD."
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2007-01-26 13:04:45 +00:00
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/*
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* Some events we use, same for all Asus
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*/
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#define ATKD_BR_UP 0x10
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#define ATKD_BR_DOWN 0x20
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#define ATKD_LCD_ON 0x33
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#define ATKD_LCD_OFF 0x34
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2007-01-26 13:04:40 +00:00
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/*
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* Known bits returned by \_SB.ATKD.HWRS
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*/
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#define WL_HWRS 0x80
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#define BT_HWRS 0x100
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2007-01-26 13:04:35 +00:00
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/*
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* Flags for hotk status
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2007-01-26 13:04:40 +00:00
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* WL_ON and BT_ON are also used for wireless_status()
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2007-01-26 13:04:35 +00:00
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*/
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2007-01-26 13:04:40 +00:00
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#define WL_ON 0x01 //internal Wifi
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#define BT_ON 0x02 //internal Bluetooth
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2007-01-26 13:04:35 +00:00
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#define MLED_ON 0x04 //mail LED
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#define TLED_ON 0x08 //touchpad LED
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2007-01-30 06:46:43 +00:00
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#define RLED_ON 0x10 //Record LED
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#define PLED_ON 0x20 //Phone LED
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#define LCD_ON 0x40 //LCD backlight
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2007-01-26 13:04:35 +00:00
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2007-01-26 13:04:30 +00:00
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#define ASUS_LOG ASUS_HOTK_FILE ": "
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#define ASUS_ERR KERN_ERR ASUS_LOG
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#define ASUS_WARNING KERN_WARNING ASUS_LOG
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#define ASUS_NOTICE KERN_NOTICE ASUS_LOG
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#define ASUS_INFO KERN_INFO ASUS_LOG
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#define ASUS_DEBUG KERN_DEBUG ASUS_LOG
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MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary");
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MODULE_DESCRIPTION(ASUS_HOTK_NAME);
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MODULE_LICENSE("GPL");
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#define ASUS_HANDLE(object, paths...) \
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static acpi_handle object##_handle = NULL; \
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static char *object##_paths[] = { paths }
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2007-01-26 13:04:35 +00:00
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/* LED */
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ASUS_HANDLE(mled_set, ASUS_HOTK_PREFIX "MLED");
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ASUS_HANDLE(tled_set, ASUS_HOTK_PREFIX "TLED");
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2007-01-30 06:46:43 +00:00
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ASUS_HANDLE(rled_set, ASUS_HOTK_PREFIX "RLED"); /* W1JC */
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ASUS_HANDLE(pled_set, ASUS_HOTK_PREFIX "PLED"); /* A7J */
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2007-01-26 13:04:35 +00:00
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2007-01-26 13:04:55 +00:00
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/* LEDD */
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ASUS_HANDLE(ledd_set, ASUS_HOTK_PREFIX "SLCM");
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2007-01-26 13:04:40 +00:00
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/* Bluetooth and WLAN
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* WLED and BLED are not handled like other XLED, because in some dsdt
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* they also control the WLAN/Bluetooth device.
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*/
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ASUS_HANDLE(wl_switch, ASUS_HOTK_PREFIX "WLED");
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ASUS_HANDLE(bt_switch, ASUS_HOTK_PREFIX "BLED");
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2007-01-30 06:46:43 +00:00
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ASUS_HANDLE(wireless_status, ASUS_HOTK_PREFIX "RSTS"); /* All new models */
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2007-01-26 13:04:40 +00:00
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2007-01-26 13:04:45 +00:00
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/* Brightness */
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ASUS_HANDLE(brightness_set, ASUS_HOTK_PREFIX "SPLV");
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ASUS_HANDLE(brightness_get, ASUS_HOTK_PREFIX "GPLV");
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/* Backlight */
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2007-01-30 06:46:43 +00:00
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ASUS_HANDLE(lcd_switch, "\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */
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"\\_SB.PCI0.ISA.EC0._Q10", /* A1x */
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"\\_SB.PCI0.PX40.ECD0._Q10", /* L3C */
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"\\_SB.PCI0.PX40.EC0.Q10", /* M1A */
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"\\_SB.PCI0.LPCB.EC0._Q10", /* P30 */
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"\\_SB.PCI0.PX40.Q10", /* S1x */
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"\\Q10"); /* A2x, L2D, L3D, M2E */
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2007-01-26 13:04:45 +00:00
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2007-01-26 13:04:49 +00:00
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/* Display */
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ASUS_HANDLE(display_set, ASUS_HOTK_PREFIX "SDSP");
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2007-01-30 06:46:43 +00:00
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ASUS_HANDLE(display_get, "\\_SB.PCI0.P0P1.VGA.GETD", /* A6B, A6K A6R A7D F3JM L4R M6R A3G
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M6A M6V VX-1 V6J V6V W3Z */
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"\\_SB.PCI0.P0P2.VGA.GETD", /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V
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2007-01-26 13:04:49 +00:00
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S5A M5A z33A W1Jc W2V */
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2007-01-30 06:46:43 +00:00
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"\\_SB.PCI0.P0P3.VGA.GETD", /* A6V A6Q */
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"\\_SB.PCI0.P0PA.VGA.GETD", /* A6T, A6M */
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"\\_SB.PCI0.PCI1.VGAC.NMAP", /* L3C */
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"\\_SB.PCI0.VGA.GETD", /* Z96F */
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"\\ACTD", /* A2D */
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"\\ADVG", /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */
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"\\DNXT", /* P30 */
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"\\INFB", /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */
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"\\SSTE"); /* A3F A6F A3N A3L M6N W3N W6A */
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ASUS_HANDLE(ls_switch, ASUS_HOTK_PREFIX "ALSC"); /* Z71A Z71V */
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ASUS_HANDLE(ls_level, ASUS_HOTK_PREFIX "ALSL"); /* Z71A Z71V */
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2007-01-26 13:04:58 +00:00
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2007-01-26 13:04:30 +00:00
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/*
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* This is the main structure, we can use it to store anything interesting
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* about the hotk device
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*/
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struct asus_hotk {
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2007-01-30 06:46:43 +00:00
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char *name; //laptop name
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2007-01-26 13:04:30 +00:00
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struct acpi_device *device; //the device we are in
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acpi_handle handle; //the handle of the hotk device
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char status; //status of the hotk, for LEDs, ...
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2007-01-26 13:04:55 +00:00
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u32 ledd_status; //status of the LED display
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2007-01-30 06:46:43 +00:00
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u8 light_level; //light sensor level
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u8 light_switch; //light sensor switch value
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2007-01-26 13:04:30 +00:00
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u16 event_count[128]; //count for each event TODO make this better
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};
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/*
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* This header is made available to allow proper configuration given model,
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* revision number , ... this info cannot go in struct asus_hotk because it is
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* available before the hotk
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*/
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static struct acpi_table_header *asus_info;
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/* The actual device the driver binds to */
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static struct asus_hotk *hotk;
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/*
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* The hotkey driver declaration
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*/
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static int asus_hotk_add(struct acpi_device *device);
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static int asus_hotk_remove(struct acpi_device *device, int type);
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static struct acpi_driver asus_hotk_driver = {
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.name = ASUS_HOTK_NAME,
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.class = ASUS_HOTK_CLASS,
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.ids = ASUS_HOTK_HID,
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.ops = {
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.add = asus_hotk_add,
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.remove = asus_hotk_remove,
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},
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};
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2007-01-26 13:04:45 +00:00
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/* The backlight device /sys/class/backlight */
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static struct backlight_device *asus_backlight_device;
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/*
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* The backlight class declaration
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*/
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static int read_brightness(struct backlight_device *bd);
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static int update_bl_status(struct backlight_device *bd);
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static struct backlight_properties asusbl_data = {
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2007-01-30 06:46:43 +00:00
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.get_brightness = read_brightness,
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.update_status = update_bl_status,
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.max_brightness = 15,
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2007-01-26 13:04:45 +00:00
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};
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2007-01-26 13:04:35 +00:00
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/* These functions actually update the LED's, and are called from a
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* workqueue. By doing this as separate work rather than when the LED
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* subsystem asks, we avoid messing with the Asus ACPI stuff during a
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* potentially bad time, such as a timer interrupt. */
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static struct workqueue_struct *led_workqueue;
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#define ASUS_LED(object, ledname) \
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static void object##_led_set(struct led_classdev *led_cdev, \
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enum led_brightness value); \
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static void object##_led_update(struct work_struct *ignored); \
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static int object##_led_wk; \
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DECLARE_WORK(object##_led_work, object##_led_update); \
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static struct led_classdev object##_led = { \
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.name = "asus:" ledname, \
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.brightness_set = object##_led_set, \
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}
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ASUS_LED(mled, "mail");
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ASUS_LED(tled, "touchpad");
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ASUS_LED(rled, "record");
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ASUS_LED(pled, "phone");
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2007-01-26 13:04:30 +00:00
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/*
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* This function evaluates an ACPI method, given an int as parameter, the
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* method is searched within the scope of the handle, can be NULL. The output
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* of the method is written is output, which can also be NULL
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*
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* returns 1 if write is successful, 0 else.
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*/
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static int write_acpi_int(acpi_handle handle, const char *method, int val,
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struct acpi_buffer *output)
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{
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struct acpi_object_list params; //list of input parameters (an int here)
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union acpi_object in_obj; //the only param we use
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acpi_status status;
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params.count = 1;
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params.pointer = &in_obj;
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in_obj.type = ACPI_TYPE_INTEGER;
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in_obj.integer.value = val;
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status = acpi_evaluate_object(handle, (char *)method, ¶ms, output);
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return (status == AE_OK);
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}
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static int read_acpi_int(acpi_handle handle, const char *method, int *val,
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struct acpi_object_list *params)
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{
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struct acpi_buffer output;
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union acpi_object out_obj;
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acpi_status status;
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output.length = sizeof(out_obj);
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output.pointer = &out_obj;
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status = acpi_evaluate_object(handle, (char *)method, params, &output);
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*val = out_obj.integer.value;
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return (status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER);
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}
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2007-01-30 06:46:43 +00:00
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static int read_wireless_status(int mask)
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{
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2007-01-26 13:04:40 +00:00
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int status;
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if (!wireless_status_handle)
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return (hotk->status & mask) ? 1 : 0;
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if (read_acpi_int(wireless_status_handle, NULL, &status, NULL)) {
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return (status & mask) ? 1 : 0;
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} else
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printk(ASUS_WARNING "Error reading Wireless status\n");
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return (hotk->status & mask) ? 1 : 0;
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}
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2007-01-26 13:04:35 +00:00
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/* Generic LED functions */
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static int read_status(int mask)
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{
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2007-01-26 13:04:40 +00:00
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/* There is a special method for both wireless devices */
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if (mask == BT_ON || mask == WL_ON)
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return read_wireless_status(mask);
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2007-01-26 13:04:35 +00:00
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return (hotk->status & mask) ? 1 : 0;
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}
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2007-01-30 06:46:43 +00:00
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static void write_status(acpi_handle handle, int out, int mask, int invert)
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2007-01-26 13:04:35 +00:00
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{
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hotk->status = (out) ? (hotk->status | mask) : (hotk->status & ~mask);
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if (invert) /* invert target value */
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out = !out & 0x1;
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if (handle && !write_acpi_int(handle, NULL, out, NULL))
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printk(ASUS_WARNING " write failed\n");
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}
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/* /sys/class/led handlers */
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#define ASUS_LED_HANDLER(object, mask, invert) \
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static void object##_led_set(struct led_classdev *led_cdev, \
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enum led_brightness value) \
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{ \
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object##_led_wk = value; \
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queue_work(led_workqueue, &object##_led_work); \
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} \
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|
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static void object##_led_update(struct work_struct *ignored) \
|
|
|
|
{ \
|
|
|
|
int value = object##_led_wk; \
|
|
|
|
write_status(object##_set_handle, value, (mask), (invert)); \
|
|
|
|
}
|
|
|
|
|
|
|
|
ASUS_LED_HANDLER(mled, MLED_ON, 1);
|
|
|
|
ASUS_LED_HANDLER(pled, PLED_ON, 0);
|
|
|
|
ASUS_LED_HANDLER(rled, RLED_ON, 0);
|
|
|
|
ASUS_LED_HANDLER(tled, TLED_ON, 0);
|
|
|
|
|
2007-01-26 13:04:45 +00:00
|
|
|
static int get_lcd_state(void)
|
|
|
|
{
|
|
|
|
return read_status(LCD_ON);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int set_lcd_state(int value)
|
|
|
|
{
|
|
|
|
int lcd = 0;
|
|
|
|
acpi_status status = 0;
|
|
|
|
|
|
|
|
lcd = value ? 1 : 0;
|
|
|
|
|
|
|
|
if (lcd == get_lcd_state())
|
|
|
|
return 0;
|
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
if (lcd_switch_handle) {
|
2007-01-26 13:04:45 +00:00
|
|
|
status = acpi_evaluate_object(lcd_switch_handle,
|
|
|
|
NULL, NULL, NULL);
|
|
|
|
|
|
|
|
if (ACPI_FAILURE(status))
|
|
|
|
printk(ASUS_WARNING "Error switching LCD\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
write_status(NULL, lcd, LCD_ON, 0);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void lcd_blank(int blank)
|
|
|
|
{
|
|
|
|
struct backlight_device *bd = asus_backlight_device;
|
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
if (bd) {
|
2007-01-26 13:04:45 +00:00
|
|
|
down(&bd->sem);
|
2007-01-30 06:46:43 +00:00
|
|
|
if (likely(bd->props)) {
|
2007-01-26 13:04:45 +00:00
|
|
|
bd->props->power = blank;
|
2007-01-30 06:46:43 +00:00
|
|
|
if (likely(bd->props->update_status))
|
|
|
|
bd->props->update_status(bd);
|
2007-01-26 13:04:45 +00:00
|
|
|
}
|
|
|
|
up(&bd->sem);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static int read_brightness(struct backlight_device *bd)
|
|
|
|
{
|
|
|
|
int value;
|
|
|
|
|
|
|
|
if (!read_acpi_int(brightness_get_handle, NULL, &value, NULL))
|
|
|
|
printk(ASUS_WARNING "Error reading brightness\n");
|
|
|
|
|
|
|
|
return value;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int set_brightness(struct backlight_device *bd, int value)
|
|
|
|
{
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
value = (0 < value) ? ((15 < value) ? 15 : value) : 0;
|
|
|
|
/* 0 <= value <= 15 */
|
|
|
|
|
|
|
|
if (!write_acpi_int(brightness_set_handle, NULL, value, NULL)) {
|
|
|
|
printk(ASUS_WARNING "Error changing brightness\n");
|
|
|
|
ret = -EIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int update_bl_status(struct backlight_device *bd)
|
|
|
|
{
|
|
|
|
int rv;
|
|
|
|
int value = bd->props->brightness;
|
|
|
|
|
|
|
|
rv = set_brightness(bd, value);
|
2007-01-30 06:46:43 +00:00
|
|
|
if (rv)
|
2007-01-26 13:04:45 +00:00
|
|
|
return rv;
|
|
|
|
|
|
|
|
value = (bd->props->power == FB_BLANK_UNBLANK) ? 1 : 0;
|
|
|
|
return set_lcd_state(value);
|
|
|
|
}
|
|
|
|
|
2007-01-26 13:04:30 +00:00
|
|
|
/*
|
|
|
|
* Platform device handlers
|
|
|
|
*/
|
|
|
|
|
|
|
|
/*
|
|
|
|
* We write our info in page, we begin at offset off and cannot write more
|
|
|
|
* than count bytes. We set eof to 1 if we handle those 2 values. We return the
|
|
|
|
* number of bytes written in page
|
|
|
|
*/
|
|
|
|
static ssize_t show_infos(struct device *dev,
|
2007-01-30 06:46:43 +00:00
|
|
|
struct device_attribute *attr, char *page)
|
2007-01-26 13:04:30 +00:00
|
|
|
{
|
|
|
|
int len = 0;
|
|
|
|
int temp;
|
|
|
|
char buf[16]; //enough for all info
|
|
|
|
/*
|
|
|
|
* We use the easy way, we don't care of off and count, so we don't set eof
|
|
|
|
* to 1
|
|
|
|
*/
|
|
|
|
|
|
|
|
len += sprintf(page, ASUS_HOTK_NAME " " ASUS_LAPTOP_VERSION "\n");
|
|
|
|
len += sprintf(page + len, "Model reference : %s\n", hotk->name);
|
|
|
|
/*
|
|
|
|
* 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 (read_acpi_int(hotk->handle, "SFUN", &temp, NULL))
|
|
|
|
len +=
|
|
|
|
sprintf(page + len, "SFUN value : 0x%04x\n", temp);
|
|
|
|
/*
|
|
|
|
* Another value for userspace: the ASYM method returns 0x02 for
|
|
|
|
* battery low and 0x04 for battery critical, its readings tend to be
|
|
|
|
* more accurate than those provided by _BST.
|
|
|
|
* Note: since not all the laptops provide this method, errors are
|
|
|
|
* silently ignored.
|
|
|
|
*/
|
|
|
|
if (read_acpi_int(hotk->handle, "ASYM", &temp, NULL))
|
|
|
|
len +=
|
|
|
|
sprintf(page + len, "ASYM value : 0x%04x\n", temp);
|
|
|
|
if (asus_info) {
|
|
|
|
snprintf(buf, 16, "%d", asus_info->length);
|
|
|
|
len += sprintf(page + len, "DSDT length : %s\n", buf);
|
|
|
|
snprintf(buf, 16, "%d", asus_info->checksum);
|
|
|
|
len += sprintf(page + len, "DSDT checksum : %s\n", buf);
|
|
|
|
snprintf(buf, 16, "%d", asus_info->revision);
|
|
|
|
len += sprintf(page + len, "DSDT revision : %s\n", buf);
|
|
|
|
snprintf(buf, 7, "%s", asus_info->oem_id);
|
|
|
|
len += sprintf(page + len, "OEM id : %s\n", buf);
|
|
|
|
snprintf(buf, 9, "%s", asus_info->oem_table_id);
|
|
|
|
len += sprintf(page + len, "OEM table id : %s\n", buf);
|
|
|
|
snprintf(buf, 16, "%x", asus_info->oem_revision);
|
|
|
|
len += sprintf(page + len, "OEM revision : 0x%s\n", buf);
|
|
|
|
snprintf(buf, 5, "%s", asus_info->asl_compiler_id);
|
|
|
|
len += sprintf(page + len, "ASL comp vendor id : %s\n", buf);
|
|
|
|
snprintf(buf, 16, "%x", asus_info->asl_compiler_revision);
|
|
|
|
len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf);
|
|
|
|
}
|
|
|
|
|
|
|
|
return len;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int parse_arg(const char *buf, unsigned long count, int *val)
|
|
|
|
{
|
|
|
|
if (!count)
|
|
|
|
return 0;
|
|
|
|
if (count > 31)
|
|
|
|
return -EINVAL;
|
|
|
|
if (sscanf(buf, "%i", val) != 1)
|
|
|
|
return -EINVAL;
|
|
|
|
return count;
|
|
|
|
}
|
|
|
|
|
2007-01-26 13:04:40 +00:00
|
|
|
static ssize_t store_status(const char *buf, size_t count,
|
|
|
|
acpi_handle handle, int mask, int invert)
|
|
|
|
{
|
|
|
|
int rv, value;
|
|
|
|
int out = 0;
|
|
|
|
|
|
|
|
rv = parse_arg(buf, count, &value);
|
|
|
|
if (rv > 0)
|
|
|
|
out = value ? 1 : 0;
|
|
|
|
|
|
|
|
write_status(handle, out, mask, invert);
|
|
|
|
|
|
|
|
return rv;
|
|
|
|
}
|
|
|
|
|
2007-01-26 13:04:55 +00:00
|
|
|
/*
|
|
|
|
* LEDD display
|
|
|
|
*/
|
|
|
|
static ssize_t show_ledd(struct device *dev,
|
|
|
|
struct device_attribute *attr, char *buf)
|
|
|
|
{
|
|
|
|
return sprintf(buf, "0x%08x\n", hotk->ledd_status);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t store_ledd(struct device *dev, struct device_attribute *attr,
|
|
|
|
const char *buf, size_t count)
|
|
|
|
{
|
|
|
|
int rv, value;
|
|
|
|
|
|
|
|
rv = parse_arg(buf, count, &value);
|
|
|
|
if (rv > 0) {
|
|
|
|
if (!write_acpi_int(ledd_set_handle, NULL, value, NULL))
|
|
|
|
printk(ASUS_WARNING "LED display write failed\n");
|
|
|
|
else
|
|
|
|
hotk->ledd_status = (u32) value;
|
|
|
|
}
|
|
|
|
return rv;
|
|
|
|
}
|
|
|
|
|
2007-01-26 13:04:40 +00:00
|
|
|
/*
|
|
|
|
* WLAN
|
|
|
|
*/
|
|
|
|
static ssize_t show_wlan(struct device *dev,
|
|
|
|
struct device_attribute *attr, char *buf)
|
|
|
|
{
|
|
|
|
return sprintf(buf, "%d\n", read_status(WL_ON));
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t store_wlan(struct device *dev, struct device_attribute *attr,
|
|
|
|
const char *buf, size_t count)
|
|
|
|
{
|
|
|
|
return store_status(buf, count, wl_switch_handle, WL_ON, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Bluetooth
|
|
|
|
*/
|
|
|
|
static ssize_t show_bluetooth(struct device *dev,
|
|
|
|
struct device_attribute *attr, char *buf)
|
|
|
|
{
|
|
|
|
return sprintf(buf, "%d\n", read_status(BT_ON));
|
|
|
|
}
|
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
static ssize_t store_bluetooth(struct device *dev,
|
|
|
|
struct device_attribute *attr, const char *buf,
|
|
|
|
size_t count)
|
2007-01-26 13:04:40 +00:00
|
|
|
{
|
|
|
|
return store_status(buf, count, bt_switch_handle, BT_ON, 0);
|
|
|
|
}
|
|
|
|
|
2007-01-26 13:04:49 +00:00
|
|
|
/*
|
|
|
|
* Display
|
|
|
|
*/
|
|
|
|
static void set_display(int value)
|
|
|
|
{
|
|
|
|
/* no sanity check needed for now */
|
|
|
|
if (!write_acpi_int(display_set_handle, NULL, value, NULL))
|
|
|
|
printk(ASUS_WARNING "Error setting display\n");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int read_display(void)
|
|
|
|
{
|
|
|
|
int value = 0;
|
|
|
|
|
|
|
|
/* In most of the case, we know how to set the display, but sometime
|
|
|
|
we can't read it */
|
2007-01-30 06:46:43 +00:00
|
|
|
if (display_get_handle) {
|
2007-01-26 13:04:49 +00:00
|
|
|
if (!read_acpi_int(display_get_handle, NULL, &value, NULL))
|
|
|
|
printk(ASUS_WARNING "Error reading display status\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
value &= 0x0F; /* needed for some models, shouldn't hurt others */
|
|
|
|
|
|
|
|
return value;
|
|
|
|
}
|
2007-01-30 06:46:43 +00:00
|
|
|
|
2007-01-26 13:04:49 +00:00
|
|
|
/*
|
|
|
|
* Now, *this* one could be more user-friendly, but so far, no-one has
|
|
|
|
* complained. The significance of bits is the same as in store_disp()
|
|
|
|
*/
|
|
|
|
static ssize_t show_disp(struct device *dev,
|
|
|
|
struct device_attribute *attr, char *buf)
|
|
|
|
{
|
|
|
|
return sprintf(buf, "%d\n", read_display());
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Experimental support for display switching. As of now: 1 should activate
|
|
|
|
* the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI.
|
|
|
|
* Any combination (bitwise) of these will suffice. I never actually tested 4
|
|
|
|
* displays hooked up simultaneously, so be warned. See the acpi4asus README
|
|
|
|
* for more info.
|
|
|
|
*/
|
|
|
|
static ssize_t store_disp(struct device *dev, struct device_attribute *attr,
|
|
|
|
const char *buf, size_t count)
|
|
|
|
{
|
|
|
|
int rv, value;
|
|
|
|
|
|
|
|
rv = parse_arg(buf, count, &value);
|
|
|
|
if (rv > 0)
|
|
|
|
set_display(value);
|
|
|
|
return rv;
|
|
|
|
}
|
|
|
|
|
2007-01-26 13:04:58 +00:00
|
|
|
/*
|
|
|
|
* Light Sens
|
|
|
|
*/
|
|
|
|
static void set_light_sens_switch(int value)
|
|
|
|
{
|
|
|
|
if (!write_acpi_int(ls_switch_handle, NULL, value, NULL))
|
|
|
|
printk(ASUS_WARNING "Error setting light sensor switch\n");
|
|
|
|
hotk->light_switch = value;
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t show_lssw(struct device *dev,
|
|
|
|
struct device_attribute *attr, char *buf)
|
|
|
|
{
|
|
|
|
return sprintf(buf, "%d\n", hotk->light_switch);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t store_lssw(struct device *dev, struct device_attribute *attr,
|
|
|
|
const char *buf, size_t count)
|
|
|
|
{
|
|
|
|
int rv, value;
|
|
|
|
|
|
|
|
rv = parse_arg(buf, count, &value);
|
|
|
|
if (rv > 0)
|
|
|
|
set_light_sens_switch(value ? 1 : 0);
|
|
|
|
|
|
|
|
return rv;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void set_light_sens_level(int value)
|
|
|
|
{
|
|
|
|
if (!write_acpi_int(ls_level_handle, NULL, value, NULL))
|
|
|
|
printk(ASUS_WARNING "Error setting light sensor level\n");
|
|
|
|
hotk->light_level = value;
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t show_lslvl(struct device *dev,
|
|
|
|
struct device_attribute *attr, char *buf)
|
|
|
|
{
|
|
|
|
return sprintf(buf, "%d\n", hotk->light_level);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr,
|
|
|
|
const char *buf, size_t count)
|
|
|
|
{
|
|
|
|
int rv, value;
|
|
|
|
|
|
|
|
rv = parse_arg(buf, count, &value);
|
|
|
|
if (rv > 0) {
|
|
|
|
value = (0 < value) ? ((15 < value) ? 15 : value) : 0;
|
|
|
|
/* 0 <= value <= 15 */
|
|
|
|
set_light_sens_level(value);
|
|
|
|
}
|
|
|
|
|
|
|
|
return rv;
|
|
|
|
}
|
|
|
|
|
2007-01-26 13:04:30 +00:00
|
|
|
static void asus_hotk_notify(acpi_handle handle, u32 event, void *data)
|
|
|
|
{
|
|
|
|
/* TODO Find a better way to handle events count. */
|
|
|
|
if (!hotk)
|
|
|
|
return;
|
|
|
|
|
2007-01-26 13:04:45 +00:00
|
|
|
/*
|
|
|
|
* We need to tell the backlight device when the backlight power is
|
|
|
|
* switched
|
|
|
|
*/
|
|
|
|
if (event == ATKD_LCD_ON) {
|
|
|
|
write_status(NULL, 1, LCD_ON, 0);
|
|
|
|
lcd_blank(FB_BLANK_UNBLANK);
|
2007-01-30 06:46:43 +00:00
|
|
|
} else if (event == ATKD_LCD_OFF) {
|
2007-01-26 13:04:45 +00:00
|
|
|
write_status(NULL, 0, LCD_ON, 0);
|
|
|
|
lcd_blank(FB_BLANK_POWERDOWN);
|
|
|
|
}
|
|
|
|
|
2007-01-26 13:04:30 +00:00
|
|
|
acpi_bus_generate_event(hotk->device, event,
|
|
|
|
hotk->event_count[event % 128]++);
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
#define ASUS_CREATE_DEVICE_ATTR(_name) \
|
|
|
|
struct device_attribute dev_attr_##_name = { \
|
|
|
|
.attr = { \
|
|
|
|
.name = __stringify(_name), \
|
|
|
|
.mode = 0, \
|
|
|
|
.owner = THIS_MODULE }, \
|
|
|
|
.show = NULL, \
|
|
|
|
.store = NULL, \
|
|
|
|
}
|
|
|
|
|
|
|
|
#define ASUS_SET_DEVICE_ATTR(_name, _mode, _show, _store) \
|
|
|
|
do { \
|
|
|
|
dev_attr_##_name.attr.mode = _mode; \
|
|
|
|
dev_attr_##_name.show = _show; \
|
|
|
|
dev_attr_##_name.store = _store; \
|
|
|
|
} while(0)
|
|
|
|
|
|
|
|
static ASUS_CREATE_DEVICE_ATTR(infos);
|
2007-01-26 13:04:40 +00:00
|
|
|
static ASUS_CREATE_DEVICE_ATTR(wlan);
|
|
|
|
static ASUS_CREATE_DEVICE_ATTR(bluetooth);
|
2007-01-26 13:04:49 +00:00
|
|
|
static ASUS_CREATE_DEVICE_ATTR(display);
|
2007-01-26 13:04:55 +00:00
|
|
|
static ASUS_CREATE_DEVICE_ATTR(ledd);
|
2007-01-26 13:04:58 +00:00
|
|
|
static ASUS_CREATE_DEVICE_ATTR(ls_switch);
|
|
|
|
static ASUS_CREATE_DEVICE_ATTR(ls_level);
|
2007-01-26 13:04:30 +00:00
|
|
|
|
|
|
|
static struct attribute *asuspf_attributes[] = {
|
2007-01-30 06:46:43 +00:00
|
|
|
&dev_attr_infos.attr,
|
|
|
|
&dev_attr_wlan.attr,
|
|
|
|
&dev_attr_bluetooth.attr,
|
|
|
|
&dev_attr_display.attr,
|
|
|
|
&dev_attr_ledd.attr,
|
|
|
|
&dev_attr_ls_switch.attr,
|
|
|
|
&dev_attr_ls_level.attr,
|
|
|
|
NULL
|
2007-01-26 13:04:30 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static struct attribute_group asuspf_attribute_group = {
|
2007-01-30 06:46:43 +00:00
|
|
|
.attrs = asuspf_attributes
|
2007-01-26 13:04:30 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static struct platform_driver asuspf_driver = {
|
2007-01-30 06:46:43 +00:00
|
|
|
.driver = {
|
|
|
|
.name = ASUS_HOTK_FILE,
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
}
|
2007-01-26 13:04:30 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static struct platform_device *asuspf_device;
|
|
|
|
|
|
|
|
static void asus_hotk_add_fs(void)
|
|
|
|
{
|
|
|
|
ASUS_SET_DEVICE_ATTR(infos, 0444, show_infos, NULL);
|
2007-01-26 13:04:40 +00:00
|
|
|
|
|
|
|
if (wl_switch_handle)
|
|
|
|
ASUS_SET_DEVICE_ATTR(wlan, 0644, show_wlan, store_wlan);
|
|
|
|
|
|
|
|
if (bt_switch_handle)
|
|
|
|
ASUS_SET_DEVICE_ATTR(bluetooth, 0644,
|
|
|
|
show_bluetooth, store_bluetooth);
|
2007-01-26 13:04:49 +00:00
|
|
|
|
|
|
|
if (display_set_handle && display_get_handle)
|
|
|
|
ASUS_SET_DEVICE_ATTR(display, 0644, show_disp, store_disp);
|
2007-01-30 06:46:43 +00:00
|
|
|
else if (display_set_handle)
|
2007-01-26 13:04:49 +00:00
|
|
|
ASUS_SET_DEVICE_ATTR(display, 0200, NULL, store_disp);
|
|
|
|
|
2007-01-26 13:04:55 +00:00
|
|
|
if (ledd_set_handle)
|
|
|
|
ASUS_SET_DEVICE_ATTR(ledd, 0644, show_ledd, store_ledd);
|
|
|
|
|
2007-01-26 13:04:58 +00:00
|
|
|
if (ls_switch_handle && ls_level_handle) {
|
|
|
|
ASUS_SET_DEVICE_ATTR(ls_level, 0644, show_lslvl, store_lslvl);
|
|
|
|
ASUS_SET_DEVICE_ATTR(ls_switch, 0644, show_lssw, store_lssw);
|
|
|
|
}
|
2007-01-26 13:04:30 +00:00
|
|
|
}
|
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
static int asus_handle_init(char *name, acpi_handle * handle,
|
2007-01-26 13:04:30 +00:00
|
|
|
char **paths, int num_paths)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
acpi_status status;
|
|
|
|
|
|
|
|
for (i = 0; i < num_paths; i++) {
|
|
|
|
status = acpi_get_handle(NULL, paths[i], handle);
|
|
|
|
if (ACPI_SUCCESS(status))
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
*handle = NULL;
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
|
|
|
#define ASUS_HANDLE_INIT(object) \
|
|
|
|
asus_handle_init(#object, &object##_handle, object##_paths, \
|
|
|
|
ARRAY_SIZE(object##_paths))
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This function is used to initialize the hotk with right values. In this
|
|
|
|
* method, we can make all the detection we want, and modify the hotk struct
|
|
|
|
*/
|
|
|
|
static int asus_hotk_get_info(void)
|
|
|
|
{
|
|
|
|
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
|
|
|
|
union acpi_object *model = NULL;
|
2007-01-26 13:04:40 +00:00
|
|
|
int bsts_result, hwrs_result;
|
2007-01-26 13:04:30 +00:00
|
|
|
char *string = NULL;
|
|
|
|
acpi_status status;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Get DSDT headers early enough to allow for differentiating between
|
|
|
|
* models, but late enough to allow acpi_bus_register_driver() to fail
|
|
|
|
* before doing anything ACPI-specific. Should we encounter a machine,
|
|
|
|
* which needs special handling (i.e. its hotkey device has a different
|
|
|
|
* HID), this bit will be moved. A global variable asus_info contains
|
|
|
|
* the DSDT header.
|
|
|
|
*/
|
2007-02-03 07:13:53 +00:00
|
|
|
status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus_info);
|
2007-01-26 13:04:30 +00:00
|
|
|
if (ACPI_FAILURE(status))
|
|
|
|
printk(ASUS_WARNING "Couldn't get the DSDT table header\n");
|
|
|
|
|
|
|
|
/* We have to write 0 on init this far for all ASUS models */
|
|
|
|
if (!write_acpi_int(hotk->handle, "INIT", 0, &buffer)) {
|
|
|
|
printk(ASUS_ERR "Hotkey initialization failed\n");
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* This needs to be called for some laptops to init properly */
|
|
|
|
if (!read_acpi_int(hotk->handle, "BSTS", &bsts_result, NULL))
|
|
|
|
printk(ASUS_WARNING "Error calling BSTS\n");
|
|
|
|
else if (bsts_result)
|
|
|
|
printk(ASUS_NOTICE "BSTS called, 0x%02x returned\n",
|
|
|
|
bsts_result);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Try to match the object returned by INIT to the specific model.
|
|
|
|
* Handle every possible object (or the lack of thereof) the DSDT
|
|
|
|
* writers might throw at us. When in trouble, we pass NULL to
|
|
|
|
* asus_model_match() and try something completely different.
|
|
|
|
*/
|
|
|
|
if (buffer.pointer) {
|
|
|
|
model = buffer.pointer;
|
|
|
|
switch (model->type) {
|
|
|
|
case ACPI_TYPE_STRING:
|
|
|
|
string = model->string.pointer;
|
|
|
|
break;
|
|
|
|
case ACPI_TYPE_BUFFER:
|
|
|
|
string = model->buffer.pointer;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
string = "";
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
hotk->name = kstrdup(string, GFP_KERNEL);
|
|
|
|
if (!hotk->name)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
if (*string)
|
2007-01-26 13:04:30 +00:00
|
|
|
printk(ASUS_NOTICE " %s model detected\n", string);
|
|
|
|
|
2007-01-26 13:04:35 +00:00
|
|
|
ASUS_HANDLE_INIT(mled_set);
|
|
|
|
ASUS_HANDLE_INIT(tled_set);
|
|
|
|
ASUS_HANDLE_INIT(rled_set);
|
|
|
|
ASUS_HANDLE_INIT(pled_set);
|
|
|
|
|
2007-01-26 13:04:55 +00:00
|
|
|
ASUS_HANDLE_INIT(ledd_set);
|
|
|
|
|
2007-01-26 13:04:40 +00:00
|
|
|
/*
|
|
|
|
* The HWRS method return informations about the hardware.
|
|
|
|
* 0x80 bit is for WLAN, 0x100 for Bluetooth.
|
|
|
|
* The significance of others is yet to be found.
|
|
|
|
* If we don't find the method, we assume the device are present.
|
|
|
|
*/
|
|
|
|
if (!read_acpi_int(hotk->handle, "HRWS", &hwrs_result, NULL))
|
|
|
|
hwrs_result = WL_HWRS | BT_HWRS;
|
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
if (hwrs_result & WL_HWRS)
|
2007-01-26 13:04:40 +00:00
|
|
|
ASUS_HANDLE_INIT(wl_switch);
|
2007-01-30 06:46:43 +00:00
|
|
|
if (hwrs_result & BT_HWRS)
|
2007-01-26 13:04:40 +00:00
|
|
|
ASUS_HANDLE_INIT(bt_switch);
|
|
|
|
|
|
|
|
ASUS_HANDLE_INIT(wireless_status);
|
|
|
|
|
2007-01-26 13:04:45 +00:00
|
|
|
ASUS_HANDLE_INIT(brightness_set);
|
|
|
|
ASUS_HANDLE_INIT(brightness_get);
|
|
|
|
|
|
|
|
ASUS_HANDLE_INIT(lcd_switch);
|
|
|
|
|
2007-01-26 13:04:49 +00:00
|
|
|
ASUS_HANDLE_INIT(display_set);
|
|
|
|
ASUS_HANDLE_INIT(display_get);
|
|
|
|
|
2007-01-26 13:04:58 +00:00
|
|
|
/* There is a lot of models with "ALSL", but a few get
|
|
|
|
a real light sens, so we need to check it. */
|
2007-01-30 06:46:43 +00:00
|
|
|
if (ASUS_HANDLE_INIT(ls_switch))
|
2007-01-26 13:04:58 +00:00
|
|
|
ASUS_HANDLE_INIT(ls_level);
|
|
|
|
|
2007-01-26 13:04:30 +00:00
|
|
|
kfree(model);
|
|
|
|
|
|
|
|
return AE_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int asus_hotk_check(void)
|
|
|
|
{
|
|
|
|
int result = 0;
|
|
|
|
|
|
|
|
result = acpi_bus_get_status(hotk->device);
|
|
|
|
if (result)
|
|
|
|
return result;
|
|
|
|
|
|
|
|
if (hotk->device->status.present) {
|
|
|
|
result = asus_hotk_get_info();
|
|
|
|
} else {
|
|
|
|
printk(ASUS_ERR "Hotkey device not present, aborting\n");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int asus_hotk_found;
|
|
|
|
|
|
|
|
static int asus_hotk_add(struct acpi_device *device)
|
|
|
|
{
|
|
|
|
acpi_status status = AE_OK;
|
|
|
|
int result;
|
|
|
|
|
|
|
|
if (!device)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
printk(ASUS_NOTICE "Asus Laptop Support version %s\n",
|
|
|
|
ASUS_LAPTOP_VERSION);
|
|
|
|
|
|
|
|
hotk = kmalloc(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);
|
|
|
|
strcpy(acpi_device_class(device), ASUS_HOTK_CLASS);
|
|
|
|
acpi_driver_data(device) = hotk;
|
|
|
|
hotk->device = device;
|
|
|
|
|
|
|
|
result = asus_hotk_check();
|
|
|
|
if (result)
|
|
|
|
goto end;
|
|
|
|
|
|
|
|
asus_hotk_add_fs();
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 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,
|
|
|
|
asus_hotk_notify, hotk);
|
|
|
|
if (ACPI_FAILURE(status))
|
|
|
|
printk(ASUS_ERR "Error installing notify handler\n");
|
|
|
|
|
|
|
|
asus_hotk_found = 1;
|
|
|
|
|
2007-01-26 13:04:45 +00:00
|
|
|
/* WLED and BLED are on by default */
|
2007-01-26 13:04:40 +00:00
|
|
|
write_status(bt_switch_handle, 1, BT_ON, 0);
|
|
|
|
write_status(wl_switch_handle, 1, WL_ON, 0);
|
|
|
|
|
2007-01-26 13:04:45 +00:00
|
|
|
/* LCD Backlight is on by default */
|
|
|
|
write_status(NULL, 1, LCD_ON, 0);
|
|
|
|
|
2007-01-26 13:04:55 +00:00
|
|
|
/* LED display is off by default */
|
|
|
|
hotk->ledd_status = 0xFFF;
|
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
/* Set initial values of light sensor and level */
|
|
|
|
hotk->light_switch = 1; /* Default to light sensor disabled */
|
|
|
|
hotk->light_level = 0; /* level 5 for sensor sensitivity */
|
2007-01-26 13:04:58 +00:00
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
if (ls_switch_handle)
|
|
|
|
set_light_sens_switch(hotk->light_switch);
|
2007-01-26 13:04:58 +00:00
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
if (ls_level_handle)
|
|
|
|
set_light_sens_level(hotk->light_level);
|
2007-01-26 13:04:58 +00:00
|
|
|
|
2007-01-26 13:04:30 +00:00
|
|
|
end:
|
|
|
|
if (result) {
|
|
|
|
kfree(hotk->name);
|
|
|
|
kfree(hotk);
|
|
|
|
}
|
|
|
|
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int asus_hotk_remove(struct acpi_device *device, int type)
|
|
|
|
{
|
|
|
|
acpi_status status = 0;
|
|
|
|
|
|
|
|
if (!device || !acpi_driver_data(device))
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
status = acpi_remove_notify_handler(hotk->handle, ACPI_SYSTEM_NOTIFY,
|
|
|
|
asus_hotk_notify);
|
|
|
|
if (ACPI_FAILURE(status))
|
|
|
|
printk(ASUS_ERR "Error removing notify handler\n");
|
|
|
|
|
|
|
|
kfree(hotk->name);
|
|
|
|
kfree(hotk);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2007-01-26 13:04:45 +00:00
|
|
|
static void asus_backlight_exit(void)
|
|
|
|
{
|
2007-01-30 06:46:43 +00:00
|
|
|
if (asus_backlight_device)
|
2007-01-26 13:04:45 +00:00
|
|
|
backlight_device_unregister(asus_backlight_device);
|
|
|
|
}
|
|
|
|
|
2007-01-26 13:04:35 +00:00
|
|
|
#define ASUS_LED_UNREGISTER(object) \
|
|
|
|
if(object##_led.class_dev \
|
|
|
|
&& !IS_ERR(object##_led.class_dev)) \
|
|
|
|
led_classdev_unregister(&object##_led)
|
|
|
|
|
|
|
|
static void asus_led_exit(void)
|
|
|
|
{
|
|
|
|
ASUS_LED_UNREGISTER(mled);
|
|
|
|
ASUS_LED_UNREGISTER(tled);
|
|
|
|
ASUS_LED_UNREGISTER(pled);
|
|
|
|
ASUS_LED_UNREGISTER(rled);
|
|
|
|
|
|
|
|
destroy_workqueue(led_workqueue);
|
|
|
|
}
|
|
|
|
|
2007-01-26 13:04:30 +00:00
|
|
|
static void __exit asus_laptop_exit(void)
|
|
|
|
{
|
2007-01-26 13:04:45 +00:00
|
|
|
asus_backlight_exit();
|
2007-01-26 13:04:35 +00:00
|
|
|
asus_led_exit();
|
|
|
|
|
2007-01-26 13:04:30 +00:00
|
|
|
acpi_bus_unregister_driver(&asus_hotk_driver);
|
2007-01-30 06:46:43 +00:00
|
|
|
sysfs_remove_group(&asuspf_device->dev.kobj, &asuspf_attribute_group);
|
|
|
|
platform_device_unregister(asuspf_device);
|
|
|
|
platform_driver_unregister(&asuspf_driver);
|
2007-01-26 13:04:30 +00:00
|
|
|
}
|
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
static int asus_backlight_init(struct device *dev)
|
2007-01-26 13:04:45 +00:00
|
|
|
{
|
|
|
|
struct backlight_device *bd;
|
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
if (brightness_set_handle && lcd_switch_handle) {
|
|
|
|
bd = backlight_device_register(ASUS_HOTK_FILE, dev,
|
|
|
|
NULL, &asusbl_data);
|
|
|
|
if (IS_ERR(bd)) {
|
2007-01-26 13:04:45 +00:00
|
|
|
printk(ASUS_ERR
|
|
|
|
"Could not register asus backlight device\n");
|
|
|
|
asus_backlight_device = NULL;
|
|
|
|
return PTR_ERR(bd);
|
|
|
|
}
|
|
|
|
|
|
|
|
asus_backlight_device = bd;
|
|
|
|
|
|
|
|
down(&bd->sem);
|
2007-01-30 06:46:43 +00:00
|
|
|
if (likely(bd->props)) {
|
2007-01-26 13:04:45 +00:00
|
|
|
bd->props->brightness = read_brightness(NULL);
|
|
|
|
bd->props->power = FB_BLANK_UNBLANK;
|
2007-01-30 06:46:43 +00:00
|
|
|
if (likely(bd->props->update_status))
|
|
|
|
bd->props->update_status(bd);
|
2007-01-26 13:04:45 +00:00
|
|
|
}
|
|
|
|
up(&bd->sem);
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2007-01-26 13:04:35 +00:00
|
|
|
static int asus_led_register(acpi_handle handle,
|
2007-01-30 06:46:43 +00:00
|
|
|
struct led_classdev *ldev, struct device *dev)
|
2007-01-26 13:04:35 +00:00
|
|
|
{
|
2007-01-30 06:46:43 +00:00
|
|
|
if (!handle)
|
2007-01-26 13:04:35 +00:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
return led_classdev_register(dev, ldev);
|
|
|
|
}
|
2007-01-30 06:46:43 +00:00
|
|
|
|
2007-01-26 13:04:35 +00:00
|
|
|
#define ASUS_LED_REGISTER(object, device) \
|
|
|
|
asus_led_register(object##_set_handle, &object##_led, device)
|
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
static int asus_led_init(struct device *dev)
|
2007-01-26 13:04:35 +00:00
|
|
|
{
|
|
|
|
int rv;
|
|
|
|
|
|
|
|
rv = ASUS_LED_REGISTER(mled, dev);
|
2007-01-30 06:46:43 +00:00
|
|
|
if (rv)
|
2007-01-26 13:04:35 +00:00
|
|
|
return rv;
|
|
|
|
|
|
|
|
rv = ASUS_LED_REGISTER(tled, dev);
|
2007-01-30 06:46:43 +00:00
|
|
|
if (rv)
|
2007-01-26 13:04:35 +00:00
|
|
|
return rv;
|
|
|
|
|
|
|
|
rv = ASUS_LED_REGISTER(rled, dev);
|
2007-01-30 06:46:43 +00:00
|
|
|
if (rv)
|
2007-01-26 13:04:35 +00:00
|
|
|
return rv;
|
|
|
|
|
|
|
|
rv = ASUS_LED_REGISTER(pled, dev);
|
2007-01-30 06:46:43 +00:00
|
|
|
if (rv)
|
2007-01-26 13:04:35 +00:00
|
|
|
return rv;
|
|
|
|
|
|
|
|
led_workqueue = create_singlethread_workqueue("led_workqueue");
|
2007-01-30 06:46:43 +00:00
|
|
|
if (!led_workqueue)
|
2007-01-26 13:04:35 +00:00
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2007-01-26 13:04:30 +00:00
|
|
|
static int __init asus_laptop_init(void)
|
|
|
|
{
|
2007-01-26 13:04:35 +00:00
|
|
|
struct device *dev;
|
2007-01-26 13:04:30 +00:00
|
|
|
int result;
|
|
|
|
|
|
|
|
if (acpi_disabled)
|
|
|
|
return -ENODEV;
|
|
|
|
|
|
|
|
result = acpi_bus_register_driver(&asus_hotk_driver);
|
|
|
|
if (result < 0)
|
|
|
|
return result;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This is a bit of a kludge. We only want this module loaded
|
|
|
|
* for ASUS systems, but there's currently no way to probe the
|
|
|
|
* ACPI namespace for ASUS HIDs. So we just return failure if
|
|
|
|
* we didn't find one, which will cause the module to be
|
|
|
|
* unloaded.
|
|
|
|
*/
|
|
|
|
if (!asus_hotk_found) {
|
|
|
|
acpi_bus_unregister_driver(&asus_hotk_driver);
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
2007-01-26 13:04:35 +00:00
|
|
|
dev = acpi_get_physical_device(hotk->device->handle);
|
|
|
|
|
2007-01-26 13:04:45 +00:00
|
|
|
result = asus_backlight_init(dev);
|
2007-01-30 06:46:43 +00:00
|
|
|
if (result)
|
2007-01-26 13:04:45 +00:00
|
|
|
goto fail_backlight;
|
|
|
|
|
2007-01-26 13:04:35 +00:00
|
|
|
result = asus_led_init(dev);
|
2007-01-30 06:46:43 +00:00
|
|
|
if (result)
|
2007-01-26 13:04:35 +00:00
|
|
|
goto fail_led;
|
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
/* Register platform stuff */
|
2007-01-26 13:04:30 +00:00
|
|
|
result = platform_driver_register(&asuspf_driver);
|
2007-01-30 06:46:43 +00:00
|
|
|
if (result)
|
|
|
|
goto fail_platform_driver;
|
2007-01-26 13:04:30 +00:00
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
asuspf_device = platform_device_alloc(ASUS_HOTK_FILE, -1);
|
|
|
|
if (!asuspf_device) {
|
|
|
|
result = -ENOMEM;
|
|
|
|
goto fail_platform_device1;
|
|
|
|
}
|
2007-01-26 13:04:30 +00:00
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
result = platform_device_add(asuspf_device);
|
|
|
|
if (result)
|
|
|
|
goto fail_platform_device2;
|
2007-01-26 13:04:30 +00:00
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
result = sysfs_create_group(&asuspf_device->dev.kobj,
|
2007-01-26 13:04:30 +00:00
|
|
|
&asuspf_attribute_group);
|
2007-01-30 06:46:43 +00:00
|
|
|
if (result)
|
|
|
|
goto fail_sysfs;
|
2007-01-26 13:04:30 +00:00
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
return 0;
|
2007-01-26 13:04:30 +00:00
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
fail_sysfs:
|
|
|
|
platform_device_del(asuspf_device);
|
2007-01-26 13:04:30 +00:00
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
fail_platform_device2:
|
2007-01-26 13:04:30 +00:00
|
|
|
platform_device_put(asuspf_device);
|
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
fail_platform_device1:
|
|
|
|
platform_driver_unregister(&asuspf_driver);
|
2007-01-26 13:04:30 +00:00
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
fail_platform_driver:
|
2007-01-26 13:04:35 +00:00
|
|
|
asus_led_exit();
|
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
fail_led:
|
2007-01-26 13:04:45 +00:00
|
|
|
asus_backlight_exit();
|
|
|
|
|
2007-01-30 06:46:43 +00:00
|
|
|
fail_backlight:
|
2007-01-26 13:04:30 +00:00
|
|
|
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
module_init(asus_laptop_init);
|
|
|
|
module_exit(asus_laptop_exit);
|