/*
* Acer WMI Laptop Extras
*
* Copyright (C) 2007-2009 Carlos Corbacho <carlos@strangeworlds.co.uk>
*
* Based on acer_acpi:
* Copyright (C) 2005-2007 E.M. Smith
* Copyright (C) 2007-2008 Carlos Corbacho <cathectic@gmail.com>
*
* 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
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/dmi.h>
#include <linux/fb.h>
#include <linux/backlight.h>
#include <linux/leds.h>
#include <linux/platform_device.h>
#include <linux/acpi.h>
#include <linux/i8042.h>
#include <linux/rfkill.h>
#include <linux/workqueue.h>
#include <linux/debugfs.h>
#include <linux/slab.h>
#include <linux/input.h>
#include <linux/input/sparse-keymap.h>
#include <acpi/video.h>
MODULE_AUTHOR("Carlos Corbacho");
MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver");
MODULE_LICENSE("GPL");
/*
* Magic Number
* Meaning is unknown - this number is required for writing to ACPI for AMW0
* (it's also used in acerhk when directly accessing the BIOS)
*/
#define ACER_AMW0_WRITE 0x9610
/*
* Bit masks for the AMW0 interface
*/
#define ACER_AMW0_WIRELESS_MASK 0x35
#define ACER_AMW0_BLUETOOTH_MASK 0x34
#define ACER_AMW0_MAILLED_MASK 0x31
/*
* Method IDs for WMID interface
*/
#define ACER_WMID_GET_WIRELESS_METHODID 1
#define ACER_WMID_GET_BLUETOOTH_METHODID 2
#define ACER_WMID_GET_BRIGHTNESS_METHODID 3
#define ACER_WMID_SET_WIRELESS_METHODID 4
#define ACER_WMID_SET_BLUETOOTH_METHODID 5
#define ACER_WMID_SET_BRIGHTNESS_METHODID 6
#define ACER_WMID_GET_THREEG_METHODID 10
#define ACER_WMID_SET_THREEG_METHODID 11
/*
* Acer ACPI method GUIDs
*/
#define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB"
#define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C"
#define WMID_GUID1 "6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3"
#define WMID_GUID2 "95764E09-FB56-4E83-B31A-37761F60994A"
#define WMID_GUID3 "61EF69EA-865C-4BC3-A502-A0DEBA0CB531"
/*
* Acer ACPI event GUIDs
*/
#define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026"
MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB");
MODULE_ALIAS("wmi:6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3");
MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026");
enum acer_wmi_event_ids {
WMID_HOTKEY_EVENT = 0x1,
WMID_ACCEL_EVENT = 0x5,
};
static const struct key_entry acer_wmi_keymap[] __initconst = {
{KE_KEY, 0x01, {KEY_WLAN} }, /* WiFi */
{KE_KEY, 0x03, {KEY_WLAN} }, /* WiFi */
{KE_KEY, 0x04, {KEY_WLAN} }, /* WiFi */
{KE_KEY, 0x12, {KEY_BLUETOOTH} }, /* BT */
{KE_KEY, 0x21, {KEY_PROG1} }, /* Backup */
{KE_KEY, 0x22, {KEY_PROG2} }, /* Arcade */
{KE_KEY, 0x23, {KEY_PROG3} }, /* P_Key */
{KE_KEY, 0x24, {KEY_PROG4} }, /* Social networking_Key */
{KE_KEY, 0x29, {KEY_PROG3} }, /* P_Key for TM8372 */
{KE_IGNORE, 0x41, {KEY_MUTE} },
{KE_IGNORE, 0x42, {KEY_PREVIOUSSONG} },
{KE_IGNORE, 0x4d, {KEY_PREVIOUSSONG} },
{KE_IGNORE, 0x43, {KEY_NEXTSONG} },
{KE_IGNORE, 0x4e, {KEY_NEXTSONG} },
{KE_IGNORE, 0x44, {KEY_PLAYPAUSE} },
{KE_IGNORE, 0x4f, {KEY_PLAYPAUSE} },
{KE_IGNORE, 0x45, {KEY_STOP} },
{KE_IGNORE, 0x50, {KEY_STOP} },
{KE_IGNORE, 0x48, {KEY_VOLUMEUP} },
{KE_IGNORE, 0x49, {KEY_VOLUMEDOWN} },
{KE_IGNORE, 0x4a, {KEY_VOLUMEDOWN} },
{KE_IGNORE, 0x61, {KEY_SWITCHVIDEOMODE} },
{KE_IGNORE, 0x62, {KEY_BRIGHTNESSUP} },
{KE_IGNORE, 0x63, {KEY_BRIGHTNESSDOWN} },
{KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */
{KE_IGNORE, 0x81, {KEY_SLEEP} },
{KE_KEY, 0x82, {KEY_TOUCHPAD_TOGGLE} }, /* Touch Pad Toggle */
{KE_KEY, KEY_TOUCHPAD_ON, {KEY_TOUCHPAD_ON} },
{KE_KEY, KEY_TOUCHPAD_OFF, {KEY_TOUCHPAD_OFF} },
{KE_IGNORE, 0x83, {KEY_TOUCHPAD_TOGGLE} },
{KE_KEY, 0x85, {KEY_TOUCHPAD_TOGGLE} },
{KE_END, 0}
};
static struct input_dev *acer_wmi_input_dev;
static struct input_dev *acer_wmi_accel_dev;
struct event_return_value {
u8 function;
u8 key_num;
u16 device_state;
u32 reserved;
} __attribute__((packed));
/*
* GUID3 Get Device Status device flags
*/
#define ACER_WMID3_GDS_WIRELESS (1<<0) /* WiFi */
#define ACER_WMID3_GDS_THREEG (1<<6) /* 3G */
#define ACER_WMID3_GDS_WIMAX (1<<7) /* WiMAX */
#define ACER_WMID3_GDS_BLUETOOTH (1<<11) /* BT */
#define ACER_WMID3_GDS_TOUCHPAD (1<<1) /* Touchpad */
struct lm_input_params {
u8 function_num; /* Function Number */
u16 commun_devices; /* Communication type devices default status */
u16 devices; /* Other type devices default status */
u8 lm_status; /* Launch Manager Status */
u16 reserved;
} __attribute__((packed));
struct lm_return_value {
u8 error_code; /* Error Code */
u8 ec_return_value; /* EC Return Value */
u16 reserved;
} __attribute__((packed));
struct wmid3_gds_set_input_param { /* Set Device Status input parameter */
u8 function_num; /* Function Number */
u8 hotkey_number; /* Hotkey Number */
u16 devices; /* Set Device */
u8 volume_value; /* Volume Value */
} __attribute__((packed));
struct wmid3_gds_get_input_param { /* Get Device Status input parameter */
u8 function_num; /* Function Number */
u8 hotkey_number; /* Hotkey Number */
u16 devices; /* Get Device */
} __attribute__((packed));
struct wmid3_gds_return_value { /* Get Device Status return value*/
u8 error_code; /* Error Code */
u8 ec_return_value; /* EC Return Value */
u16 devices; /* Current Device Status */
u32 reserved;
} __attribute__((packed));
struct hotkey_function_type_aa {
u8 type;
u8 length;
u16 handle;
u16 commun_func_bitmap;
u16 application_func_bitmap;
u16 media_func_bitmap;
u16 display_func_bitmap;
u16 others_func_bitmap;
u8 commun_fn_key_number;
} __attribute__((packed));
/*
* Interface capability flags
*/
#define ACER_CAP_MAILLED (1<<0)
#define ACER_CAP_WIRELESS (1<<1)
#define ACER_CAP_BLUETOOTH (1<<2)
#define ACER_CAP_BRIGHTNESS (1<<3)
#define ACER_CAP_THREEG (1<<4)
#define ACER_CAP_ACCEL (1<<5)
#define ACER_CAP_ANY (0xFFFFFFFF)
/*
* Interface type flags
*/
enum interface_flags {
ACER_AMW0,
ACER_AMW0_V2,
ACER_WMID,
ACER_WMID_v2,
};
#define ACER_DEFAULT_WIRELESS 0
#define ACER_DEFAULT_BLUETOOTH 0
#define ACER_DEFAULT_MAILLED 0
#define ACER_DEFAULT_THREEG 0
static int max_brightness = 0xF;
static int mailled = -1;
static int brightness = -1;
static int threeg = -1;
static int force_series;
static bool ec_raw_mode;
static bool has_type_aa;
static u16 commun_func_bitmap;
static u8 commun_fn_key_number;
module_param(mailled, int, 0444);
module_param(brightness, int, 0444);
module_param(threeg, int, 0444);
module_param(force_series, int, 0444);
module_param(ec_raw_mode, bool, 0444);
MODULE_PARM_DESC(mailled, "Set initial state of Mail LED");
MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness");
MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware");
MODULE_PARM_DESC(force_series, "Force a different laptop series");
MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode");
struct acer_data {
int mailled;
int threeg;
int brightness;
};
struct acer_debug {
struct dentry *root;
struct dentry *devices;
u32 wmid_devices;
};
static struct rfkill *wireless_rfkill;
static struct rfkill *bluetooth_rfkill;
static struct rfkill *threeg_rfkill;
static bool rfkill_inited;
/* Each l
