mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-08-24 09:50:04 +00:00
Code Issues Releases Wiki Activity
linux-stable/drivers/platform/x86/acer-wmi.c
Uwe Kleine-König 96c59f596e platform/x86: acer-wmi: Convert to platform remove callback returning void 
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.

Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230302144732.1903781-2-u.kleine-koenig@pengutronix.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2023-03-07 12:19:13 +01:00

2524 lines
59 KiB
C
Raw Blame History

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* 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>
*/
#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
#define ACER_WMID_SET_GAMING_LED_METHODID 2
#define ACER_WMID_GET_GAMING_LED_METHODID 4
#define ACER_WMID_SET_GAMING_FAN_BEHAVIOR 14
#define ACER_WMID_SET_GAMING_MISC_SETTING_METHODID 22
/*
* 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"
#define WMID_GUID4 "7A4DDFE7-5B5D-40B4-8595-4408E0CC7F56"
/*
* 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_OR_KBD_DOCK_EVENT = 0x5,
WMID_GAMING_TURBO_KEY_EVENT = 0x7,
};
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, 0x27, {KEY_HELP} },
{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} },
/*
* 0x61 is KEY_SWITCHVIDEOMODE. Usually this is a duplicate input event
* with the "Video Bus" input device events. But sometimes it is not
* a dup. Map it to KEY_UNKNOWN instead of using KE_IGNORE so that
* udev/hwdb can override it on systems where it is not a dup.
*/
{KE_KEY, 0x61, {KEY_UNKNOWN} },
{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_IGNORE, 0x84, {KEY_KBDILLUMTOGGLE} }, /* Automatic Keyboard background light 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_KEY, 0x86, {KEY_WLAN} },
{KE_KEY, 0x87, {KEY_POWER} },
{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;
u16 reserved1;
u8 kbd_dock_state;
u8 reserved2;
} __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_RFBTN (1<<14) /* RF Button */
#define ACER_WMID3_GDS_TOUCHPAD (1<<1) /* Touchpad */
/* Hotkey Customized Setting and Acer Application Status.
* Set Device Default Value and Report Acer Application Status.
* When Acer Application starts, it will run this method to inform
* BIOS/EC that Acer Application is on.
* App Status
* Bit[0]: Launch Manager Status
* Bit[1]: ePM Status
* Bit[2]: Device Control Status
* Bit[3]: Acer Power Button Utility Status
* Bit[4]: RF Button Status
* Bit[5]: ODD PM Status
* Bit[6]: Device Default Value Control
* Bit[7]: Hall Sensor Application Status
*/
struct func_input_params {
u8 function_num; /* Function Number */
u16 commun_devices; /* Communication type devices default status */
u16 devices; /* Other type devices default status */
u8 app_status; /* Acer Device Status. LM, ePM, RF Button... */
u8 app_mask; /* Bit mask to app_status */
u8 reserved;
} __packed;
struct func_return_value {
u8 error_code; /* Error Code */
u8 ec_return_value; /* EC Return Value */
u16 reserved;
} __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 */
} __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 */
} __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;
} __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;
} __packed;
/*
* Interface capability flags
*/
#define ACER_CAP_MAILLED BIT(0)
#define ACER_CAP_WIRELESS BIT(1)
#define ACER_CAP_BLUETOOTH BIT(2)
#define ACER_CAP_BRIGHTNESS BIT(3)
#define ACER_CAP_THREEG BIT(4)
#define ACER_CAP_SET_FUNCTION_MODE BIT(5)
#define ACER_CAP_KBD_DOCK BIT(6)
#define ACER_CAP_TURBO_OC BIT(7)
#define ACER_CAP_TURBO_LED BIT(8)
#define ACER_CAP_TURBO_FAN BIT(9)
/*
* 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 int force_caps = -1;
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(force_caps, 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(force_caps, "Force the capability bitmask to this value");
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;
u32 wmid_devices;
};
static struct rfkill *wireless_rfkill;
static struct rfkill *bluetooth_rfkill;
static struct rfkill *threeg_rfkill;
static bool rfkill_inited;
/* Each low-level interface must define at least some of the following */
struct wmi_interface {
/* The WMI device type */
u32 type;
/* The capabilities this interface provides */
u32 capability;
/* Private data for the current interface */
struct acer_data data;
/* debugfs entries associated with this interface */
struct acer_debug debug;
};
/* The static interface pointer, points to the currently detected interface */
static struct wmi_interface *interface;
/*
* Embedded Controller quirks
* Some laptops require us to directly access the EC to either enable or query
* features that are not available through WMI.
*/
struct quirk_entry {
u8 wireless;
u8 mailled;
s8 brightness;
u8 bluetooth;
u8 turbo;
u8 cpu_fans;
u8 gpu_fans;
};
static struct quirk_entry *quirks;
static void __init set_quirks(void)
{
if (quirks->mailled)
interface->capability |= ACER_CAP_MAILLED;
if (quirks->brightness)
interface->capability |= ACER_CAP_BRIGHTNESS;
if (quirks->turbo)
interface->capability |= ACER_CAP_TURBO_OC | ACER_CAP_TURBO_LED
| ACER_CAP_TURBO_FAN;
}
static int __init dmi_matched(const struct dmi_system_id *dmi)
{
quirks = dmi->driver_data;
return 1;
}
static int __init set_force_caps(const struct dmi_system_id *dmi)
{
if (force_caps == -1) {
force_caps = (uintptr_t)dmi->driver_data;
pr_info("Found %s, set force_caps to 0x%x\n", dmi->ident, force_caps);
}
return 1;
}
static struct quirk_entry quirk_unknown = {
};
static struct quirk_entry quirk_acer_aspire_1520 = {
.brightness = -1,
};
static struct quirk_entry quirk_acer_travelmate_2490 = {
.mailled = 1,
};
static struct quirk_entry quirk_acer_predator_ph315_53 = {
.turbo = 1,
.cpu_fans = 1,
.gpu_fans = 1,
};
/* This AMW0 laptop has no bluetooth */
static struct quirk_entry quirk_medion_md_98300 = {
.wireless = 1,
};
static struct quirk_entry quirk_fujitsu_amilo_li_1718 = {
.wireless = 2,
};
static struct quirk_entry quirk_lenovo_ideapad_s205 = {
.wireless = 3,
};
/* The Aspire One has a dummy ACPI-WMI interface - disable it */
static const struct dmi_system_id acer_blacklist[] __initconst = {
{
.ident = "Acer Aspire One (SSD)",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"),
},
},
{
.ident = "Acer Aspire One (HDD)",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
},
},
{}
};
static const struct dmi_system_id amw0_whitelist[] __initconst = {
{
.ident = "Acer",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
},
},
{
.ident = "Gateway",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Gateway"),
},
},
{
.ident = "Packard Bell",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Packard Bell"),
},
},
{}
};
/*
* This quirk table is only for Acer/Gateway/Packard Bell family
* that those machines are supported by acer-wmi driver.
*/
static const struct dmi_system_id acer_quirks[] __initconst = {
{
.callback = dmi_matched,
.ident = "Acer Aspire 1360",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
},
.driver_data = &quirk_acer_aspire_1520,
},
{
.callback = dmi_matched,
.ident = "Acer Aspire 1520",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"),
},
.driver_data = &quirk_acer_aspire_1520,
},
{
.callback = dmi_matched,
.ident = "Acer Aspire 3100",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"),
},
.driver_data = &quirk_acer_travelmate_2490,
},
{
.callback = dmi_matched,
.ident = "Acer Aspire 3610",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"),
},
.driver_data = &quirk_acer_travelmate_2490,
},
{
.callback = dmi_matched,
.ident = "Acer Aspire 5100",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
},
.driver_data = &quirk_acer_travelmate_2490,
},
{
.callback = dmi_matched,
.ident = "Acer Aspire 5610",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
},
.driver_data = &quirk_acer_travelmate_2490,
},
{
.callback = dmi_matched,
.ident = "Acer Aspire 5630",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
},
.driver_data = &quirk_acer_travelmate_2490,
},
{
.callback = dmi_matched,
.ident = "Acer Aspire 5650",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
},
.driver_data = &quirk_acer_travelmate_2490,
},
{
.callback = dmi_matched,
.ident = "Acer Aspire 5680",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
},
.driver_data = &quirk_acer_travelmate_2490,
},
{
.callback = dmi_matched,
.ident = "Acer Aspire 9110",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
},
.driver_data = &quirk_acer_travelmate_2490,
},
{
.callback = dmi_matched,
.ident = "Acer TravelMate 2490",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
},
.driver_data = &quirk_acer_travelmate_2490,
},
{
.callback = dmi_matched,
.ident = "Acer TravelMate 4200",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"),
},
.driver_data = &quirk_acer_travelmate_2490,
},
{
.callback = dmi_matched,
.ident = "Acer Predator PH315-53",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Predator PH315-53"),
},
.driver_data = &quirk_acer_predator_ph315_53,
},
{
.callback = set_force_caps,
.ident = "Acer Aspire Switch 10E SW3-016",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW3-016"),
},
.driver_data = (void *)ACER_CAP_KBD_DOCK,
},
{
.callback = set_force_caps,
.ident = "Acer Aspire Switch 10 SW5-012",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"),
},
.driver_data = (void *)ACER_CAP_KBD_DOCK,
},
{
.callback = set_force_caps,
.ident = "Acer Aspire Switch V 10 SW5-017",
.matches = {
DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SW5-017"),
},
.driver_data = (void *)ACER_CAP_KBD_DOCK,
},
{
.callback = set_force_caps,
.ident = "Acer One 10 (S1003)",
.matches = {
DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "One S1003"),
},
.driver_data = (void *)ACER_CAP_KBD_DOCK,
},
{}
};
/*
* This quirk list is for those non-acer machines that have AMW0_GUID1
* but supported by acer-wmi in past days. Keeping this quirk list here
* is only for backward compatible. Please do not add new machine to
* here anymore. Those non-acer machines should be supported by
* appropriate wmi drivers.
*/
static const struct dmi_system_id non_acer_quirks[] __initconst = {
{
.callback = dmi_matched,
.ident = "Fujitsu Siemens Amilo Li 1718",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"),
},
.driver_data = &quirk_fujitsu_amilo_li_1718,
},
{
.callback = dmi_matched,
.ident = "Medion MD 98300",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"),
},
.driver_data = &quirk_medion_md_98300,
},
{
.callback = dmi_matched,
.ident = "Lenovo Ideapad S205",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "10382LG"),
},
.driver_data = &quirk_lenovo_ideapad_s205,
},
{
.callback = dmi_matched,
.ident = "Lenovo Ideapad S205 (Brazos)",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "Brazos"),
},
.driver_data = &quirk_lenovo_ideapad_s205,
},
{
.callback = dmi_matched,
.ident = "Lenovo 3000 N200",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "0687A31"),
},
.driver_data = &quirk_fujitsu_amilo_li_1718,
},
{
.callback = dmi_matched,
.ident = "Lenovo Ideapad S205-10382JG",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "10382JG"),
},
.driver_data = &quirk_lenovo_ideapad_s205,
},
{
.callback = dmi_matched,
.ident = "Lenovo Ideapad S205-1038DPG",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "1038DPG"),
},
.driver_data = &quirk_lenovo_ideapad_s205,
},
{}
};
/* Find which quirks are needed for a particular vendor/ model pair */
static void __init find_quirks(void)
{
if (!force_series) {
dmi_check_system(acer_quirks);
dmi_check_system(non_acer_quirks);
} else if (force_series == 2490) {
quirks = &quirk_acer_travelmate_2490;
}
if (quirks == NULL)
quirks = &quirk_unknown;
}
/*
* General interface convenience methods
*/
static bool has_cap(u32 cap)
{
return interface->capability & cap;
}
/*
* AMW0 (V1) interface
*/
struct wmab_args {
u32 eax;
u32 ebx;
u32 ecx;
u32 edx;
};
struct wmab_ret {
u32 eax;
u32 ebx;
u32 ecx;
u32 edx;
u32 eex;
};
static acpi_status wmab_execute(struct wmab_args *regbuf,
struct acpi_buffer *result)
{
struct acpi_buffer input;
acpi_status status;
input.length = sizeof(struct wmab_args);
input.pointer = (u8 *)regbuf;
status = wmi_evaluate_method(AMW0_GUID1, 0, 1, &input, result);
return status;
}
static acpi_status AMW0_get_u32(u32 *value, u32 cap)
{
int err;
u8 result;
switch (cap) {
case ACER_CAP_MAILLED:
switch (quirks->mailled) {
default:
err = ec_read(0xA, &result);
if (err)
return AE_ERROR;
*value = (result >> 7) & 0x1;
return AE_OK;
}
break;
case ACER_CAP_WIRELESS:
switch (quirks->wireless) {
case 1:
err = ec_read(0x7B, &result);
if (err)
return AE_ERROR;
*value = result & 0x1;
return AE_OK;
case 2:
err = ec_read(0x71, &result);
if (err)
return AE_ERROR;
*value = result & 0x1;
return AE_OK;
case 3:
err = ec_read(0x78, &result);
if (err)
return AE_ERROR;
*value = result & 0x1;
return AE_OK;
default:
err = ec_read(0xA, &result);
if (err)
return AE_ERROR;
*value = (result >> 2) & 0x1;
return AE_OK;
}
break;
case ACER_CAP_BLUETOOTH:
switch (quirks->bluetooth) {
default:
err = ec_read(0xA, &result);
if (err)
return AE_ERROR;
*value = (result >> 4) & 0x1;
return AE_OK;
}
break;
case ACER_CAP_BRIGHTNESS:
switch (quirks->brightness) {
default:
err = ec_read(0x83, &result);
if (err)
return AE_ERROR;
*value = result;
return AE_OK;
}
break;
default:
return AE_ERROR;
}
return AE_OK;
}
static acpi_status AMW0_set_u32(u32 value, u32 cap)
{
struct wmab_args args;
args.eax = ACER_AMW0_WRITE;
args.ebx = value ? (1<<8) : 0;
args.ecx = args.edx = 0;
switch (cap) {
case ACER_CAP_MAILLED:
if (value > 1)
return AE_BAD_PARAMETER;
args.ebx |= ACER_AMW0_MAILLED_MASK;
break;
case ACER_CAP_WIRELESS:
if (value > 1)
return AE_BAD_PARAMETER;
args.ebx |= ACER_AMW0_WIRELESS_MASK;
break;
case ACER_CAP_BLUETOOTH:
if (value > 1)
return AE_BAD_PARAMETER;
args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
break;
case ACER_CAP_BRIGHTNESS:
if (value > max_brightness)
return AE_BAD_PARAMETER;
switch (quirks->brightness) {
default:
return ec_write(0x83, value);
}
default:
return AE_ERROR;
}
/* Actually do the set */
return wmab_execute(&args, NULL);
}
static acpi_status __init AMW0_find_mailled(void)
{
struct wmab_args args;
struct wmab_ret ret;
acpi_status status = AE_OK;
struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
args.eax = 0x86;
args.ebx = args.ecx = args.edx = 0;
status = wmab_execute(&args, &out);
if (ACPI_FAILURE(status))
return status;
obj = (union acpi_object *) out.pointer;
if (obj && obj->type == ACPI_TYPE_BUFFER &&
obj->buffer.length == sizeof(struct wmab_ret)) {
ret = *((struct wmab_ret *) obj->buffer.pointer);
} else {
kfree(out.pointer);
return AE_ERROR;
}
if (ret.eex & 0x1)
interface->capability |= ACER_CAP_MAILLED;
kfree(out.pointer);
return AE_OK;
}
static const struct acpi_device_id norfkill_ids[] __initconst = {
{ "VPC2004", 0},
{ "IBM0068", 0},
{ "LEN0068", 0},
{ "SNY5001", 0}, /* sony-laptop in charge */
{ "HPQ6601", 0},
{ "", 0},
};
static int __init AMW0_set_cap_acpi_check_device(void)
{
const struct acpi_device_id *id;
for (id = norfkill_ids; id->id[0]; id++)
if (acpi_dev_found(id->id))
return true;
return false;
}
static acpi_status __init AMW0_set_capabilities(void)
{
struct wmab_args args;
struct wmab_ret ret;
acpi_status status;
struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
/*
* On laptops with this strange GUID (non Acer), normal probing doesn't
* work.
*/
if (wmi_has_guid(AMW0_GUID2)) {
if ((quirks != &quirk_unknown) ||
!AMW0_set_cap_acpi_check_device())
interface->capability |= ACER_CAP_WIRELESS;
return AE_OK;
}
args.eax = ACER_AMW0_WRITE;
args.ecx = args.edx = 0;
args.ebx = 0xa2 << 8;
args.ebx |= ACER_AMW0_WIRELESS_MASK;
status = wmab_execute(&args, &out);
if (ACPI_FAILURE(status))
return status;
obj = out.pointer;
if (obj && obj->type == ACPI_TYPE_BUFFER &&
obj->buffer.length == sizeof(struct wmab_ret)) {
ret = *((struct wmab_ret *) obj->buffer.pointer);
} else {
status = AE_ERROR;
goto out;
}
if (ret.eax & 0x1)
interface->capability |= ACER_CAP_WIRELESS;
args.ebx = 2 << 8;
args.ebx |= ACER_AMW0_BLUETOOTH_MASK;
/*
* It's ok to use existing buffer for next wmab_execute call.
* But we need to kfree(out.pointer) if next wmab_execute fail.
*/
status = wmab_execute(&args, &out);
if (ACPI_FAILURE(status))
goto out;
obj = (union acpi_object *) out.pointer;
if (obj && obj->type == ACPI_TYPE_BUFFER
&& obj->buffer.length == sizeof(struct wmab_ret)) {
ret = *((struct wmab_ret *) obj->buffer.pointer);
} else {
status = AE_ERROR;
goto out;
}
if (ret.eax & 0x1)
interface->capability |= ACER_CAP_BLUETOOTH;
/*
* This appears to be safe to enable, since all Wistron based laptops
* appear to use the same EC register for brightness, even if they
* differ for wireless, etc
*/
if (quirks->brightness >= 0)
interface->capability |= ACER_CAP_BRIGHTNESS;
status = AE_OK;
out:
kfree(out.pointer);
return status;
}
static struct wmi_interface AMW0_interface = {
.type = ACER_AMW0,
};
static struct wmi_interface AMW0_V2_interface = {
.type = ACER_AMW0_V2,
};
/*
* New interface (The WMID interface)
*/
static acpi_status
WMI_execute_u32(u32 method_id, u32 in, u32 *out)
{
struct acpi_buffer input = { (acpi_size) sizeof(u32), (void *)(&in) };
struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
u32 tmp = 0;
acpi_status status;
status = wmi_evaluate_method(WMID_GUID1, 0, method_id, &input, &result);
if (ACPI_FAILURE(status))
return status;
obj = (union acpi_object *) result.pointer;
if (obj) {
if (obj->type == ACPI_TYPE_BUFFER &&
(obj->buffer.length == sizeof(u32) ||
obj->buffer.length == sizeof(u64))) {
tmp = *((u32 *) obj->buffer.pointer);
} else if (obj->type == ACPI_TYPE_INTEGER) {
tmp = (u32) obj->integer.value;
}
}
if (out)
*out = tmp;
kfree(result.pointer);
return status;
}
static acpi_status WMID_get_u32(u32 *value, u32 cap)
{
acpi_status status;
u8 tmp;
u32 result, method_id = 0;
switch (cap) {
case ACER_CAP_WIRELESS:
method_id = ACER_WMID_GET_WIRELESS_METHODID;
break;
case ACER_CAP_BLUETOOTH:
method_id = ACER_WMID_GET_BLUETOOTH_METHODID;
break;
case ACER_CAP_BRIGHTNESS:
method_id = ACER_WMID_GET_BRIGHTNESS_METHODID;
break;
case ACER_CAP_THREEG:
method_id = ACER_WMID_GET_THREEG_METHODID;
break;
case ACER_CAP_MAILLED:
if (quirks->mailled == 1) {
ec_read(0x9f, &tmp);
*value = tmp & 0x1;
return 0;
}
fallthrough;
default:
return AE_ERROR;
}
status = WMI_execute_u32(method_id, 0, &result);
if (ACPI_SUCCESS(status))
*value = (u8)result;
return status;
}
static acpi_status WMID_set_u32(u32 value, u32 cap)
{
u32 method_id = 0;
char param;
switch (cap) {
case ACER_CAP_BRIGHTNESS:
if (value > max_brightness)
return AE_BAD_PARAMETER;
method_id = ACER_WMID_SET_BRIGHTNESS_METHODID;
break;
case ACER_CAP_WIRELESS:
if (value > 1)
return AE_BAD_PARAMETER;
method_id = ACER_WMID_SET_WIRELESS_METHODID;
break;
case ACER_CAP_BLUETOOTH:
if (value > 1)
return AE_BAD_PARAMETER;
method_id = ACER_WMID_SET_BLUETOOTH_METHODID;
break;
case ACER_CAP_THREEG:
if (value > 1)
return AE_BAD_PARAMETER;
method_id = ACER_WMID_SET_THREEG_METHODID;
break;
case ACER_CAP_MAILLED:
if (value > 1)
return AE_BAD_PARAMETER;
if (quirks->mailled == 1) {
param = value ? 0x92 : 0x93;
i8042_lock_chip();
i8042_command(&param, 0x1059);
i8042_unlock_chip();
return 0;
}
break;
default:
return AE_ERROR;
}
return WMI_execute_u32(method_id, (u32)value, NULL);
}
static acpi_status wmid3_get_device_status(u32 *value, u16 device)
{
struct wmid3_gds_return_value return_value;
acpi_status status;
union acpi_object *obj;
struct wmid3_gds_get_input_param params = {
.function_num = 0x1,
.hotkey_number = commun_fn_key_number,
.devices = device,
};
struct acpi_buffer input = {
sizeof(struct wmid3_gds_get_input_param),
&params
};
struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input, &output);
if (ACPI_FAILURE(status))
return status;
obj = output.pointer;
if (!obj)
return AE_ERROR;
else if (obj->type != ACPI_TYPE_BUFFER) {
kfree(obj);
return AE_ERROR;
}
if (obj->buffer.length != 8) {
pr_warn("Unknown buffer length %d\n", obj->buffer.length);
kfree(obj);
return AE_ERROR;
}
return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
kfree(obj);
if (return_value.error_code || return_value.ec_return_value)
pr_warn("Get 0x%x Device Status failed: 0x%x - 0x%x\n",
device,
return_value.error_code,
return_value.ec_return_value);
else
*value = !!(return_value.devices & device);
return status;
}
static acpi_status wmid_v2_get_u32(u32 *value, u32 cap)
{
u16 device;
switch (cap) {
case ACER_CAP_WIRELESS:
device = ACER_WMID3_GDS_WIRELESS;
break;
case ACER_CAP_BLUETOOTH:
device = ACER_WMID3_GDS_BLUETOOTH;
break;
case ACER_CAP_THREEG:
device = ACER_WMID3_GDS_THREEG;
break;
default:
return AE_ERROR;
}
return wmid3_get_device_status(value, device);
}
static acpi_status wmid3_set_device_status(u32 value, u16 device)
{
struct wmid3_gds_return_value return_value;
acpi_status status;
union acpi_object *obj;
u16 devices;
struct wmid3_gds_get_input_param get_params = {
.function_num = 0x1,
.hotkey_number = commun_fn_key_number,
.devices = commun_func_bitmap,
};
struct acpi_buffer get_input = {
sizeof(struct wmid3_gds_get_input_param),
&get_params
};
struct wmid3_gds_set_input_param set_params = {
.function_num = 0x2,
.hotkey_number = commun_fn_key_number,
.devices = commun_func_bitmap,
};
struct acpi_buffer set_input = {
sizeof(struct wmid3_gds_set_input_param),
&set_params
};
struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
struct acpi_buffer output2 = { ACPI_ALLOCATE_BUFFER, NULL };
status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &get_input, &output);
if (ACPI_FAILURE(status))
return status;
obj = output.pointer;
if (!obj)
return AE_ERROR;
else if (obj->type != ACPI_TYPE_BUFFER) {
kfree(obj);
return AE_ERROR;
}
if (obj->buffer.length != 8) {
pr_warn("Unknown buffer length %d\n", obj->buffer.length);
kfree(obj);
return AE_ERROR;
}
return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
kfree(obj);
if (return_value.error_code || return_value.ec_return_value) {
pr_warn("Get Current Device Status failed: 0x%x - 0x%x\n",
return_value.error_code,
return_value.ec_return_value);
return status;
}
devices = return_value.devices;
set_params.devices = (value) ? (devices | device) : (devices & ~device);
status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &set_input, &output2);
if (ACPI_FAILURE(status))
return status;
obj = output2.pointer;
if (!obj)
return AE_ERROR;
else if (obj->type != ACPI_TYPE_BUFFER) {
kfree(obj);
return AE_ERROR;
}
if (obj->buffer.length != 4) {
pr_warn("Unknown buffer length %d\n", obj->buffer.length);
kfree(obj);
return AE_ERROR;
}
return_value = *((struct wmid3_gds_return_value *)obj->buffer.pointer);
kfree(obj);
if (return_value.error_code || return_value.ec_return_value)
pr_warn("Set Device Status failed: 0x%x - 0x%x\n",
return_value.error_code,
return_value.ec_return_value);
return status;
}
static acpi_status wmid_v2_set_u32(u32 value, u32 cap)
{
u16 device;
switch (cap) {
case ACER_CAP_WIRELESS:
device = ACER_WMID3_GDS_WIRELESS;
break;
case ACER_CAP_BLUETOOTH:
device = ACER_WMID3_GDS_BLUETOOTH;
break;
case ACER_CAP_THREEG:
device = ACER_WMID3_GDS_THREEG;
break;
default:
return AE_ERROR;
}
return wmid3_set_device_status(value, device);
}
static void __init type_aa_dmi_decode(const struct dmi_header *header, void *d)
{
struct hotkey_function_type_aa *type_aa;
/* We are looking for OEM-specific Type AAh */
if (header->type != 0xAA)
return;
has_type_aa = true;
type_aa = (struct hotkey_function_type_aa *) header;
pr_info("Function bitmap for Communication Button: 0x%x\n",
type_aa->commun_func_bitmap);
commun_func_bitmap = type_aa->commun_func_bitmap;
if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_WIRELESS)
interface->capability |= ACER_CAP_WIRELESS;
if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_THREEG)
interface->capability |= ACER_CAP_THREEG;
if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_BLUETOOTH)
interface->capability |= ACER_CAP_BLUETOOTH;
if (type_aa->commun_func_bitmap & ACER_WMID3_GDS_RFBTN)
commun_func_bitmap &= ~ACER_WMID3_GDS_RFBTN;
commun_fn_key_number = type_aa->commun_fn_key_number;
}
static acpi_status __init WMID_set_capabilities(void)
{
struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
union acpi_object *obj;
acpi_status status;
u32 devices;
status = wmi_query_block(WMID_GUID2, 0, &out);
if (ACPI_FAILURE(status))
return status;
obj = (union acpi_object *) out.pointer;
if (obj) {
if (obj->type == ACPI_TYPE_BUFFER &&
(obj->buffer.length == sizeof(u32) ||
obj->buffer.length == sizeof(u64))) {
devices = *((u32 *) obj->buffer.pointer);
} else if (obj->type == ACPI_TYPE_INTEGER) {
devices = (u32) obj->integer.value;
} else {
kfree(out.pointer);
return AE_ERROR;
}
} else {
kfree(out.pointer);
return AE_ERROR;
}
pr_info("Function bitmap for Communication Device: 0x%x\n", devices);
if (devices & 0x07)
interface->capability |= ACER_CAP_WIRELESS;
if (devices & 0x40)
interface->capability |= ACER_CAP_THREEG;
if (devices & 0x10)
interface->capability |= ACER_CAP_BLUETOOTH;
if (!(devices & 0x20))
max_brightness = 0x9;
kfree(out.pointer);
return status;
}
static struct wmi_interface wmid_interface = {
.type = ACER_WMID,
};
static struct wmi_interface wmid_v2_interface = {
.type = ACER_WMID_v2,
};
/*
* WMID Gaming interface
*/
static acpi_status
WMI_gaming_execute_u64(u32 method_id, u64 in, u64 *out)
{
struct acpi_buffer input = { (acpi_size) sizeof(u64), (void *)(&in) };
struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
u32 tmp = 0;
acpi_status status;
status = wmi_evaluate_method(WMID_GUID4, 0, method_id, &input, &result);
if (ACPI_FAILURE(status))
return status;
obj = (union acpi_object *) result.pointer;
if (obj) {
if (obj->type == ACPI_TYPE_BUFFER) {
if (obj->buffer.length == sizeof(u32))
tmp = *((u32 *) obj->buffer.pointer);
else if (obj->buffer.length == sizeof(u64))
tmp = *((u64 *) obj->buffer.pointer);
} else if (obj->type == ACPI_TYPE_INTEGER) {
tmp = (u64) obj->integer.value;
}
}
if (out)
*out = tmp;
kfree(result.pointer);
return status;
}
static acpi_status WMID_gaming_set_u64(u64 value, u32 cap)
{
u32 method_id = 0;
if (!(interface->capability & cap))
return AE_BAD_PARAMETER;
switch (cap) {
case ACER_CAP_TURBO_LED:
method_id = ACER_WMID_SET_GAMING_LED_METHODID;
break;
case ACER_CAP_TURBO_FAN:
method_id = ACER_WMID_SET_GAMING_FAN_BEHAVIOR;
break;
case ACER_CAP_TURBO_OC:
method_id = ACER_WMID_SET_GAMING_MISC_SETTING_METHODID;
break;
default:
return AE_BAD_PARAMETER;
}
return WMI_gaming_execute_u64(method_id, value, NULL);
}
static acpi_status WMID_gaming_get_u64(u64 *value, u32 cap)
{
acpi_status status;
u64 result;
u64 input;
u32 method_id;
if (!(interface->capability & cap))
return AE_BAD_PARAMETER;
switch (cap) {
case ACER_CAP_TURBO_LED:
method_id = ACER_WMID_GET_GAMING_LED_METHODID;
input = 0x1;
break;
default:
return AE_BAD_PARAMETER;
}
status = WMI_gaming_execute_u64(method_id, input, &result);
if (ACPI_SUCCESS(status))
*value = (u64) result;
return status;
}
static void WMID_gaming_set_fan_mode(u8 fan_mode)
{
/* fan_mode = 1 is used for auto, fan_mode = 2 used for turbo*/
u64 gpu_fan_config1 = 0, gpu_fan_config2 = 0;
int i;
if (quirks->cpu_fans > 0)
gpu_fan_config2 |= 1;
for (i = 0; i < (quirks->cpu_fans + quirks->gpu_fans); ++i)
gpu_fan_config2 |= 1 << (i + 1);
for (i = 0; i < quirks->gpu_fans; ++i)
gpu_fan_config2 |= 1 << (i + 3);
if (quirks->cpu_fans > 0)
gpu_fan_config1 |= fan_mode;
for (i = 0; i < (quirks->cpu_fans + quirks->gpu_fans); ++i)
gpu_fan_config1 |= fan_mode << (2 * i + 2);
for (i = 0; i < quirks->gpu_fans; ++i)
gpu_fan_config1 |= fan_mode << (2 * i + 6);
WMID_gaming_set_u64(gpu_fan_config2 | gpu_fan_config1 << 16, ACER_CAP_TURBO_FAN);
}
/*
* Generic Device (interface-independent)
*/
static acpi_status get_u32(u32 *value, u32 cap)
{
acpi_status status = AE_ERROR;
switch (interface->type) {
case ACER_AMW0:
status = AMW0_get_u32(value, cap);
break;
case ACER_AMW0_V2:
if (cap == ACER_CAP_MAILLED) {
status = AMW0_get_u32(value, cap);
break;
}
fallthrough;
case ACER_WMID:
status = WMID_get_u32(value, cap);
break;
case ACER_WMID_v2:
if (cap & (ACER_CAP_WIRELESS |
ACER_CAP_BLUETOOTH |
ACER_CAP_THREEG))
status = wmid_v2_get_u32(value, cap);
else if (wmi_has_guid(WMID_GUID2))
status = WMID_get_u32(value, cap);
break;
}
return status;
}
static acpi_status set_u32(u32 value, u32 cap)
{
acpi_status status;
if (interface->capability & cap) {
switch (interface->type) {
case ACER_AMW0:
return AMW0_set_u32(value, cap);
case ACER_AMW0_V2:
if (cap == ACER_CAP_MAILLED)
return AMW0_set_u32(value, cap);
/*
* On some models, some WMID methods don't toggle
* properly. For those cases, we want to run the AMW0
* method afterwards to be certain we've really toggled
* the device state.
*/
if (cap == ACER_CAP_WIRELESS ||
cap == ACER_CAP_BLUETOOTH) {
status = WMID_set_u32(value, cap);
if (ACPI_FAILURE(status))
return status;
return AMW0_set_u32(value, cap);
}
fallthrough;
case ACER_WMID:
return WMID_set_u32(value, cap);
case ACER_WMID_v2:
if (cap & (ACER_CAP_WIRELESS |
ACER_CAP_BLUETOOTH |
ACER_CAP_THREEG))
return wmid_v2_set_u32(value, cap);
else if (wmi_has_guid(WMID_GUID2))
return WMID_set_u32(value, cap);
fallthrough;
default:
return AE_BAD_PARAMETER;
}
}
return AE_BAD_PARAMETER;
}
static void __init acer_commandline_init(void)
{
/*
* These will all fail silently if the value given is invalid, or the
* capability isn't available on the given interface
*/
if (mailled >= 0)
set_u32(mailled, ACER_CAP_MAILLED);
if (!has_type_aa && threeg >= 0)
set_u32(threeg, ACER_CAP_THREEG);
if (brightness >= 0)
set_u32(brightness, ACER_CAP_BRIGHTNESS);
}
/*
* LED device (Mail LED only, no other LEDs known yet)
*/
static void mail_led_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
set_u32(value, ACER_CAP_MAILLED);
}
static struct led_classdev mail_led = {
.name = "acer-wmi::mail",
.brightness_set = mail_led_set,
};
static int acer_led_init(struct device *dev)
{
return led_classdev_register(dev, &mail_led);
}
static void acer_led_exit(void)
{
set_u32(LED_OFF, ACER_CAP_MAILLED);
led_classdev_unregister(&mail_led);
}
/*
* Backlight device
*/
static struct backlight_device *acer_backlight_device;
static int read_brightness(struct backlight_device *bd)
{
u32 value;
get_u32(&value, ACER_CAP_BRIGHTNESS);
return value;
}
static int update_bl_status(struct backlight_device *bd)
{
int intensity = backlight_get_brightness(bd);
set_u32(intensity, ACER_CAP_BRIGHTNESS);
return 0;
}
static const struct backlight_ops acer_bl_ops = {
.get_brightness = read_brightness,
.update_status = update_bl_status,
};
static int acer_backlight_init(struct device *dev)
{
struct backlight_properties props;
struct backlight_device *bd;
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_PLATFORM;
props.max_brightness = max_brightness;
bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops,
&props);
if (IS_ERR(bd)) {
pr_err("Could not register Acer backlight device\n");
acer_backlight_device = NULL;
return PTR_ERR(bd);
}
acer_backlight_device = bd;
bd->props.power = FB_BLANK_UNBLANK;
bd->props.brightness = read_brightness(bd);
backlight_update_status(bd);
return 0;
}
static void acer_backlight_exit(void)
{
backlight_device_unregister(acer_backlight_device);
}
/*
* Accelerometer device
*/
static acpi_handle gsensor_handle;
static int acer_gsensor_init(void)
{
acpi_status status;
struct acpi_buffer output;
union acpi_object out_obj;
output.length = sizeof(out_obj);
output.pointer = &out_obj;
status = acpi_evaluate_object(gsensor_handle, "_INI", NULL, &output);
if (ACPI_FAILURE(status))
return -1;
return 0;
}
static int acer_gsensor_open(struct input_dev *input)
{
return acer_gsensor_init();
}
static int acer_gsensor_event(void)
{
acpi_status status;
struct acpi_buffer output;
union acpi_object out_obj[5];
if (!acer_wmi_accel_dev)
return -1;
output.length = sizeof(out_obj);
output.pointer = out_obj;
status = acpi_evaluate_object(gsensor_handle, "RDVL", NULL, &output);
if (ACPI_FAILURE(status))
return -1;
if (out_obj->package.count != 4)
return -1;
input_report_abs(acer_wmi_accel_dev, ABS_X,
(s16)out_obj->package.elements[0].integer.value);
input_report_abs(acer_wmi_accel_dev, ABS_Y,
(s16)out_obj->package.elements[1].integer.value);
input_report_abs(acer_wmi_accel_dev, ABS_Z,
(s16)out_obj->package.elements[2].integer.value);
input_sync(acer_wmi_accel_dev);
return 0;
}
/*
* Predator series turbo button
*/
static int acer_toggle_turbo(void)
{
u64 turbo_led_state;
/* Get current state from turbo button */
if (ACPI_FAILURE(WMID_gaming_get_u64(&turbo_led_state, ACER_CAP_TURBO_LED)))
return -1;
if (turbo_led_state) {
/* Turn off turbo led */
WMID_gaming_set_u64(0x1, ACER_CAP_TURBO_LED);
/* Set FAN mode to auto */
WMID_gaming_set_fan_mode(0x1);
/* Set OC to normal */
WMID_gaming_set_u64(0x5, ACER_CAP_TURBO_OC);
WMID_gaming_set_u64(0x7, ACER_CAP_TURBO_OC);
} else {
/* Turn on turbo led */
WMID_gaming_set_u64(0x10001, ACER_CAP_TURBO_LED);
/* Set FAN mode to turbo */
WMID_gaming_set_fan_mode(0x2);
/* Set OC to turbo mode */
WMID_gaming_set_u64(0x205, ACER_CAP_TURBO_OC);
WMID_gaming_set_u64(0x207, ACER_CAP_TURBO_OC);
}
return turbo_led_state;
}
/*
* Switch series keyboard dock status
*/
static int acer_kbd_dock_state_to_sw_tablet_mode(u8 kbd_dock_state)
{
switch (kbd_dock_state) {
case 0x01: /* Docked, traditional clamshell laptop mode */
return 0;
case 0x04: /* Stand-alone tablet */
case 0x40: /* Docked, tent mode, keyboard not usable */
return 1;
default:
pr_warn("Unknown kbd_dock_state 0x%02x\n", kbd_dock_state);
}
return 0;
}
static void acer_kbd_dock_get_initial_state(void)
{
u8 *output, input[8] = { 0x05, 0x00, };
struct acpi_buffer input_buf = { sizeof(input), input };
struct acpi_buffer output_buf = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
acpi_status status;
int sw_tablet_mode;
status = wmi_evaluate_method(WMID_GUID3, 0, 0x2, &input_buf, &output_buf);
if (ACPI_FAILURE(status)) {
pr_err("Error getting keyboard-dock initial status: %s\n",
acpi_format_exception(status));
return;
}
obj = output_buf.pointer;
if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length != 8) {
pr_err("Unexpected output format getting keyboard-dock initial status\n");
goto out_free_obj;
}
output = obj->buffer.pointer;
if (output[0] != 0x00 || (output[3] != 0x05 && output[3] != 0x45)) {
pr_err("Unexpected output [0]=0x%02x [3]=0x%02x getting keyboard-dock initial status\n",
output[0], output[3]);
goto out_free_obj;
}
sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(output[4]);
input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode);
out_free_obj:
kfree(obj);
}
static void acer_kbd_dock_event(const struct event_return_value *event)
{
int sw_tablet_mode;
if (!has_cap(ACER_CAP_KBD_DOCK))
return;
sw_tablet_mode = acer_kbd_dock_state_to_sw_tablet_mode(event->kbd_dock_state);
input_report_switch(acer_wmi_input_dev, SW_TABLET_MODE, sw_tablet_mode);
input_sync(acer_wmi_input_dev);
}
/*
* Rfkill devices
*/
static void acer_rfkill_update(struct work_struct *ignored);
static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update);
static void acer_rfkill_update(struct work_struct *ignored)
{
u32 state;
acpi_status status;
if (has_cap(ACER_CAP_WIRELESS)) {
status = get_u32(&state, ACER_CAP_WIRELESS);
if (ACPI_SUCCESS(status)) {
if (quirks->wireless == 3)
rfkill_set_hw_state(wireless_rfkill, !state);
else
rfkill_set_sw_state(wireless_rfkill, !state);
}
}
if (has_cap(ACER_CAP_BLUETOOTH)) {
status = get_u32(&state, ACER_CAP_BLUETOOTH);
if (ACPI_SUCCESS(status))
rfkill_set_sw_state(bluetooth_rfkill, !state);
}
if (has_cap(ACER_CAP_THREEG) && wmi_has_guid(WMID_GUID3)) {
status = get_u32(&state, ACER_WMID3_GDS_THREEG);
if (ACPI_SUCCESS(status))
rfkill_set_sw_state(threeg_rfkill, !state);
}
schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ));
}
static int acer_rfkill_set(void *data, bool blocked)
{
acpi_status status;
u32 cap = (unsigned long)data;
if (rfkill_inited) {
status = set_u32(!blocked, cap);
if (ACPI_FAILURE(status))
return -ENODEV;
}
return 0;
}
static const struct rfkill_ops acer_rfkill_ops = {
.set_block = acer_rfkill_set,
};
static struct rfkill *acer_rfkill_register(struct device *dev,
enum rfkill_type type,
char *name, u32 cap)
{
int err;
struct rfkill *rfkill_dev;
u32 state;
acpi_status status;
rfkill_dev = rfkill_alloc(name, dev, type,
&acer_rfkill_ops,
(void *)(unsigned long)cap);
if (!rfkill_dev)
return ERR_PTR(-ENOMEM);
status = get_u32(&state, cap);
err = rfkill_register(rfkill_dev);
if (err) {
rfkill_destroy(rfkill_dev);
return ERR_PTR(err);
}
if (ACPI_SUCCESS(status))
rfkill_set_sw_state(rfkill_dev, !state);
return rfkill_dev;
}
static int acer_rfkill_init(struct device *dev)
{
int err;
if (has_cap(ACER_CAP_WIRELESS)) {
wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN,
"acer-wireless", ACER_CAP_WIRELESS);
if (IS_ERR(wireless_rfkill)) {
err = PTR_ERR(wireless_rfkill);
goto error_wireless;
}
}
if (has_cap(ACER_CAP_BLUETOOTH)) {
bluetooth_rfkill = acer_rfkill_register(dev,
RFKILL_TYPE_BLUETOOTH, "acer-bluetooth",
ACER_CAP_BLUETOOTH);
if (IS_ERR(bluetooth_rfkill)) {
err = PTR_ERR(bluetooth_rfkill);
goto error_bluetooth;
}
}
if (has_cap(ACER_CAP_THREEG)) {
threeg_rfkill = acer_rfkill_register(dev,
RFKILL_TYPE_WWAN, "acer-threeg",
ACER_CAP_THREEG);
if (IS_ERR(threeg_rfkill)) {
err = PTR_ERR(threeg_rfkill);
goto error_threeg;
}
}
rfkill_inited = true;
if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
schedule_delayed_work(&acer_rfkill_work,
round_jiffies_relative(HZ));
return 0;
error_threeg:
if (has_cap(ACER_CAP_BLUETOOTH)) {
rfkill_unregister(bluetooth_rfkill);
rfkill_destroy(bluetooth_rfkill);
}
error_bluetooth:
if (has_cap(ACER_CAP_WIRELESS)) {
rfkill_unregister(wireless_rfkill);
rfkill_destroy(wireless_rfkill);
}
error_wireless:
return err;
}
static void acer_rfkill_exit(void)
{
if ((ec_raw_mode || !wmi_has_guid(ACERWMID_EVENT_GUID)) &&
has_cap(ACER_CAP_WIRELESS | ACER_CAP_BLUETOOTH | ACER_CAP_THREEG))
cancel_delayed_work_sync(&acer_rfkill_work);
if (has_cap(ACER_CAP_WIRELESS)) {
rfkill_unregister(wireless_rfkill);
rfkill_destroy(wireless_rfkill);
}
if (has_cap(ACER_CAP_BLUETOOTH)) {
rfkill_unregister(bluetooth_rfkill);
rfkill_destroy(bluetooth_rfkill);
}
if (has_cap(ACER_CAP_THREEG)) {
rfkill_unregister(threeg_rfkill);
rfkill_destroy(threeg_rfkill);
}
return;
}
static void acer_wmi_notify(u32 value, void *context)
{
struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
struct event_return_value return_value;
acpi_status status;
u16 device_state;
const struct key_entry *key;
u32 scancode;
status = wmi_get_event_data(value, &response);
if (status != AE_OK) {
pr_warn("bad event status 0x%x\n", status);
return;
}
obj = (union acpi_object *)response.pointer;
if (!obj)
return;
if (obj->type != ACPI_TYPE_BUFFER) {
pr_warn("Unknown response received %d\n", obj->type);
kfree(obj);
return;
}
if (obj->buffer.length != 8) {
pr_warn("Unknown buffer length %d\n", obj->buffer.length);
kfree(obj);
return;
}
return_value = *((struct event_return_value *)obj->buffer.pointer);
kfree(obj);
switch (return_value.function) {
case WMID_HOTKEY_EVENT:
device_state = return_value.device_state;
pr_debug("device state: 0x%x\n", device_state);
key = sparse_keymap_entry_from_scancode(acer_wmi_input_dev,
return_value.key_num);
if (!key) {
pr_warn("Unknown key number - 0x%x\n",
return_value.key_num);
} else {
scancode = return_value.key_num;
switch (key->keycode) {
case KEY_WLAN:
case KEY_BLUETOOTH:
if (has_cap(ACER_CAP_WIRELESS))
rfkill_set_sw_state(wireless_rfkill,
!(device_state & ACER_WMID3_GDS_WIRELESS));
if (has_cap(ACER_CAP_THREEG))
rfkill_set_sw_state(threeg_rfkill,
!(device_state & ACER_WMID3_GDS_THREEG));
if (has_cap(ACER_CAP_BLUETOOTH))
rfkill_set_sw_state(bluetooth_rfkill,
!(device_state & ACER_WMID3_GDS_BLUETOOTH));
break;
case KEY_TOUCHPAD_TOGGLE:
scancode = (device_state & ACER_WMID3_GDS_TOUCHPAD) ?
KEY_TOUCHPAD_ON : KEY_TOUCHPAD_OFF;
}
sparse_keymap_report_event(acer_wmi_input_dev, scancode, 1, true);
}
break;
case WMID_ACCEL_OR_KBD_DOCK_EVENT:
acer_gsensor_event();
acer_kbd_dock_event(&return_value);
break;
case WMID_GAMING_TURBO_KEY_EVENT:
if (return_value.key_num == 0x4)
acer_toggle_turbo();
break;
default:
pr_warn("Unknown function number - %d - %d\n",
return_value.function, return_value.key_num);
break;
}
}
static acpi_status __init
wmid3_set_function_mode(struct func_input_params *params,
struct func_return_value *return_value)
{
acpi_status status;
union acpi_object *obj;
struct acpi_buffer input = { sizeof(struct func_input_params), params };
struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output);
if (ACPI_FAILURE(status))
return status;
obj = output.pointer;
if (!obj)
return AE_ERROR;
else if (obj->type != ACPI_TYPE_BUFFER) {
kfree(obj);
return AE_ERROR;
}
if (obj->buffer.length != 4) {
pr_warn("Unknown buffer length %d\n", obj->buffer.length);
kfree(obj);
return AE_ERROR;
}
*return_value = *((struct func_return_value *)obj->buffer.pointer);
kfree(obj);
return status;
}
static int __init acer_wmi_enable_ec_raw(void)
{
struct func_return_value return_value;
acpi_status status;
struct func_input_params params = {
.function_num = 0x1,
.commun_devices = 0xFFFF,
.devices = 0xFFFF,
.app_status = 0x00, /* Launch Manager Deactive */
.app_mask = 0x01,
};
status = wmid3_set_function_mode(&params, &return_value);
if (return_value.error_code || return_value.ec_return_value)
pr_warn("Enabling EC raw mode failed: 0x%x - 0x%x\n",
return_value.error_code,
return_value.ec_return_value);
else
pr_info("Enabled EC raw mode\n");
return status;
}
static int __init acer_wmi_enable_lm(void)
{
struct func_return_value return_value;
acpi_status status;
struct func_input_params params = {
.function_num = 0x1,
.commun_devices = 0xFFFF,
.devices = 0xFFFF,
.app_status = 0x01, /* Launch Manager Active */
.app_mask = 0x01,
};
status = wmid3_set_function_mode(&params, &return_value);
if (return_value.error_code || return_value.ec_return_value)
pr_warn("Enabling Launch Manager failed: 0x%x - 0x%x\n",
return_value.error_code,
return_value.ec_return_value);
return status;
}
static int __init acer_wmi_enable_rf_button(void)
{
struct func_return_value return_value;
acpi_status status;
struct func_input_params params = {
.function_num = 0x1,
.commun_devices = 0xFFFF,
.devices = 0xFFFF,
.app_status = 0x10, /* RF Button Active */
.app_mask = 0x10,
};
status = wmid3_set_function_mode(&params, &return_value);
if (return_value.error_code || return_value.ec_return_value)
pr_warn("Enabling RF Button failed: 0x%x - 0x%x\n",
return_value.error_code,
return_value.ec_return_value);
return status;
}
static int __init acer_wmi_accel_setup(void)
{
struct acpi_device *adev;
int err;
adev = acpi_dev_get_first_match_dev("BST0001", NULL, -1);
if (!adev)
return -ENODEV;
gsensor_handle = acpi_device_handle(adev);
acpi_dev_put(adev);
acer_wmi_accel_dev = input_allocate_device();
if (!acer_wmi_accel_dev)
return -ENOMEM;
acer_wmi_accel_dev->open = acer_gsensor_open;
acer_wmi_accel_dev->name = "Acer BMA150 accelerometer";
acer_wmi_accel_dev->phys = "wmi/input1";
acer_wmi_accel_dev->id.bustype = BUS_HOST;
acer_wmi_accel_dev->evbit[0] = BIT_MASK(EV_ABS);
input_set_abs_params(acer_wmi_accel_dev, ABS_X, -16384, 16384, 0, 0);
input_set_abs_params(acer_wmi_accel_dev, ABS_Y, -16384, 16384, 0, 0);
input_set_abs_params(acer_wmi_accel_dev, ABS_Z, -16384, 16384, 0, 0);
err = input_register_device(acer_wmi_accel_dev);
if (err)
goto err_free_dev;
return 0;
err_free_dev:
input_free_device(acer_wmi_accel_dev);
return err;
}
static int __init acer_wmi_input_setup(void)
{
acpi_status status;
int err;
acer_wmi_input_dev = input_allocate_device();
if (!acer_wmi_input_dev)
return -ENOMEM;
acer_wmi_input_dev->name = "Acer WMI hotkeys";
acer_wmi_input_dev->phys = "wmi/input0";
acer_wmi_input_dev->id.bustype = BUS_HOST;
err = sparse_keymap_setup(acer_wmi_input_dev, acer_wmi_keymap, NULL);
if (err)
goto err_free_dev;
if (has_cap(ACER_CAP_KBD_DOCK))
input_set_capability(acer_wmi_input_dev, EV_SW, SW_TABLET_MODE);
status = wmi_install_notify_handler(ACERWMID_EVENT_GUID,
acer_wmi_notify, NULL);
if (ACPI_FAILURE(status)) {
err = -EIO;
goto err_free_dev;
}
if (has_cap(ACER_CAP_KBD_DOCK))
acer_kbd_dock_get_initial_state();
err = input_register_device(acer_wmi_input_dev);
if (err)
goto err_uninstall_notifier;
return 0;
err_uninstall_notifier:
wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
err_free_dev:
input_free_device(acer_wmi_input_dev);
return err;
}
static void acer_wmi_input_destroy(void)
{
wmi_remove_notify_handler(ACERWMID_EVENT_GUID);
input_unregister_device(acer_wmi_input_dev);
}
/*
* debugfs functions
*/
static u32 get_wmid_devices(void)
{
struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
union acpi_object *obj;
acpi_status status;
u32 devices = 0;
status = wmi_query_block(WMID_GUID2, 0, &out);
if (ACPI_FAILURE(status))
return 0;
obj = (union acpi_object *) out.pointer;
if (obj) {
if (obj->type == ACPI_TYPE_BUFFER &&
(obj->buffer.length == sizeof(u32) ||
obj->buffer.length == sizeof(u64))) {
devices = *((u32 *) obj->buffer.pointer);
} else if (obj->type == ACPI_TYPE_INTEGER) {
devices = (u32) obj->integer.value;
}
}
kfree(out.pointer);
return devices;
}
/*
* Platform device
*/
static int acer_platform_probe(struct platform_device *device)
{
int err;
if (has_cap(ACER_CAP_MAILLED)) {
err = acer_led_init(&device->dev);
if (err)
goto error_mailled;
}
if (has_cap(ACER_CAP_BRIGHTNESS)) {
err = acer_backlight_init(&device->dev);
if (err)
goto error_brightness;
}
err = acer_rfkill_init(&device->dev);
if (err)
goto error_rfkill;
return err;
error_rfkill:
if (has_cap(ACER_CAP_BRIGHTNESS))
acer_backlight_exit();
error_brightness:
if (has_cap(ACER_CAP_MAILLED))
acer_led_exit();
error_mailled:
return err;
}
static void acer_platform_remove(struct platform_device *device)
{
if (has_cap(ACER_CAP_MAILLED))
acer_led_exit();
if (has_cap(ACER_CAP_BRIGHTNESS))
acer_backlight_exit();
acer_rfkill_exit();
}
#ifdef CONFIG_PM_SLEEP
static int acer_suspend(struct device *dev)
{
u32 value;
struct acer_data *data = &interface->data;
if (!data)
return -ENOMEM;
if (has_cap(ACER_CAP_MAILLED)) {
get_u32(&value, ACER_CAP_MAILLED);
set_u32(LED_OFF, ACER_CAP_MAILLED);
data->mailled = value;
}
if (has_cap(ACER_CAP_BRIGHTNESS)) {
get_u32(&value, ACER_CAP_BRIGHTNESS);
data->brightness = value;
}
return 0;
}
static int acer_resume(struct device *dev)
{
struct acer_data *data = &interface->data;
if (!data)
return -ENOMEM;
if (has_cap(ACER_CAP_MAILLED))
set_u32(data->mailled, ACER_CAP_MAILLED);
if (has_cap(ACER_CAP_BRIGHTNESS))
set_u32(data->brightness, ACER_CAP_BRIGHTNESS);
if (acer_wmi_accel_dev)
acer_gsensor_init();
return 0;
}
#else
#define acer_suspend NULL
#define acer_resume NULL
#endif
static SIMPLE_DEV_PM_OPS(acer_pm, acer_suspend, acer_resume);
static void acer_platform_shutdown(struct platform_device *device)
{
struct acer_data *data = &interface->data;
if (!data)
return;
if (has_cap(ACER_CAP_MAILLED))
set_u32(LED_OFF, ACER_CAP_MAILLED);
}
static struct platform_driver acer_platform_driver = {
.driver = {
.name = "acer-wmi",
.pm = &acer_pm,
},
.probe = acer_platform_probe,
.remove_new = acer_platform_remove,
.shutdown = acer_platform_shutdown,
};
static struct platform_device *acer_platform_device;
static void remove_debugfs(void)
{
debugfs_remove_recursive(interface->debug.root);
}
static void __init create_debugfs(void)
{
interface->debug.root = debugfs_create_dir("acer-wmi", NULL);
debugfs_create_u32("devices", S_IRUGO, interface->debug.root,
&interface->debug.wmid_devices);
}
static int __init acer_wmi_init(void)
{
int err;
pr_info("Acer Laptop ACPI-WMI Extras\n");
if (dmi_check_system(acer_blacklist)) {
pr_info("Blacklisted hardware detected - not loading\n");
return -ENODEV;
}
find_quirks();
/*
* The AMW0_GUID1 wmi is not only found on Acer family but also other
* machines like Lenovo, Fujitsu and Medion. In the past days,
* acer-wmi driver handled those non-Acer machines by quirks list.
* But actually acer-wmi driver was loaded on any machines that have
* AMW0_GUID1. This behavior is strange because those machines should
* be supported by appropriate wmi drivers. e.g. fujitsu-laptop,
* ideapad-laptop. So, here checks the machine that has AMW0_GUID1
* should be in Acer/Gateway/Packard Bell white list, or it's already
* in the past quirk list.
*/
if (wmi_has_guid(AMW0_GUID1) &&
!dmi_check_system(amw0_whitelist) &&
quirks == &quirk_unknown) {
pr_debug("Unsupported machine has AMW0_GUID1, unable to load\n");
return -ENODEV;
}
/*
* Detect which ACPI-WMI interface we're using.
*/
if (wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
interface = &AMW0_V2_interface;
if (!wmi_has_guid(AMW0_GUID1) && wmi_has_guid(WMID_GUID1))
interface = &wmid_interface;
if (wmi_has_guid(WMID_GUID3))
interface = &wmid_v2_interface;
if (interface)
dmi_walk(type_aa_dmi_decode, NULL);
if (wmi_has_guid(WMID_GUID2) && interface) {
if (!has_type_aa && ACPI_FAILURE(WMID_set_capabilities())) {
pr_err("Unable to detect available WMID devices\n");
return -ENODEV;
}
/* WMID always provides brightness methods */
interface->capability |= ACER_CAP_BRIGHTNESS;
} else if (!wmi_has_guid(WMID_GUID2) && interface && !has_type_aa && force_caps == -1) {
pr_err("No WMID device detection method found\n");
return -ENODEV;
}
if (wmi_has_guid(AMW0_GUID1) && !wmi_has_guid(WMID_GUID1)) {
interface = &AMW0_interface;
if (ACPI_FAILURE(AMW0_set_capabilities())) {
pr_err("Unable to detect available AMW0 devices\n");
return -ENODEV;
}
}
if (wmi_has_guid(AMW0_GUID1))
AMW0_find_mailled();
if (!interface) {
pr_err("No or unsupported WMI interface, unable to load\n");
return -ENODEV;
}
set_quirks();
if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
interface->capability &= ~ACER_CAP_BRIGHTNESS;
if (wmi_has_guid(WMID_GUID3))
interface->capability |= ACER_CAP_SET_FUNCTION_MODE;
if (force_caps != -1)
interface->capability = force_caps;
if (wmi_has_guid(WMID_GUID3) &&
(interface->capability & ACER_CAP_SET_FUNCTION_MODE)) {
if (ACPI_FAILURE(acer_wmi_enable_rf_button()))
pr_warn("Cannot enable RF Button Driver\n");
if (ec_raw_mode) {
if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) {
pr_err("Cannot enable EC raw mode\n");
return -ENODEV;
}
} else if (ACPI_FAILURE(acer_wmi_enable_lm())) {
pr_err("Cannot enable Launch Manager mode\n");
return -ENODEV;
}
} else if (ec_raw_mode) {
pr_info("No WMID EC raw mode enable method\n");
}
if (wmi_has_guid(ACERWMID_EVENT_GUID)) {
err = acer_wmi_input_setup();
if (err)
return err;
err = acer_wmi_accel_setup();
if (err && err != -ENODEV)
pr_warn("Cannot enable accelerometer\n");
}
err = platform_driver_register(&acer_platform_driver);
if (err) {
pr_err("Unable to register platform driver\n");
goto error_platform_register;
}
acer_platform_device = platform_device_alloc("acer-wmi", PLATFORM_DEVID_NONE);
if (!acer_platform_device) {
err = -ENOMEM;
goto error_device_alloc;
}
err = platform_device_add(acer_platform_device);
if (err)
goto error_device_add;
if (wmi_has_guid(WMID_GUID2)) {
interface->debug.wmid_devices = get_wmid_devices();
create_debugfs();
}
/* Override any initial settings with values from the commandline */
acer_commandline_init();
return 0;
error_device_add:
platform_device_put(acer_platform_device);
error_device_alloc:
platform_driver_unregister(&acer_platform_driver);
error_platform_register:
if (wmi_has_guid(ACERWMID_EVENT_GUID))
acer_wmi_input_destroy();
if (acer_wmi_accel_dev)
input_unregister_device(acer_wmi_accel_dev);
return err;
}
static void __exit acer_wmi_exit(void)
{
if (wmi_has_guid(ACERWMID_EVENT_GUID))
acer_wmi_input_destroy();
if (acer_wmi_accel_dev)
input_unregister_device(acer_wmi_accel_dev);
remove_debugfs();
platform_device_unregister(acer_platform_device);
platform_driver_unregister(&acer_platform_driver);
pr_info("Acer Laptop WMI Extras unloaded\n");
return;
}
module_init(acer_wmi_init);
module_exit(acer_wmi_exit);
Reference in a new issue View git blame Copy permalink