mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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008d23e485
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (43 commits) Documentation/trace/events.txt: Remove obsolete sched_signal_send. writeback: fix global_dirty_limits comment runtime -> real-time ppc: fix comment typo singal -> signal drivers: fix comment typo diable -> disable. m68k: fix comment typo diable -> disable. wireless: comment typo fix diable -> disable. media: comment typo fix diable -> disable. remove doc for obsolete dynamic-printk kernel-parameter remove extraneous 'is' from Documentation/iostats.txt Fix spelling milisec -> ms in snd_ps3 module parameter description Fix spelling mistakes in comments Revert conflicting V4L changes i7core_edac: fix typos in comments mm/rmap.c: fix comment sound, ca0106: Fix assignment to 'channel'. hrtimer: fix a typo in comment init/Kconfig: fix typo anon_inodes: fix wrong function name in comment fix comment typos concerning "consistent" poll: fix a typo in comment ... Fix up trivial conflicts in: - drivers/net/wireless/iwlwifi/iwl-core.c (moved to iwl-legacy.c) - fs/ext4/ext4.h Also fix missed 'diabled' typo in drivers/net/bnx2x/bnx2x.h while at it.
1800 lines
41 KiB
C
1800 lines
41 KiB
C
/*
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* Acer WMI Laptop Extras
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*
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* Copyright (C) 2007-2009 Carlos Corbacho <carlos@strangeworlds.co.uk>
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*
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* Based on acer_acpi:
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* Copyright (C) 2005-2007 E.M. Smith
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* Copyright (C) 2007-2008 Carlos Corbacho <cathectic@gmail.com>
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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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#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/dmi.h>
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#include <linux/fb.h>
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#include <linux/backlight.h>
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#include <linux/leds.h>
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#include <linux/platform_device.h>
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#include <linux/acpi.h>
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#include <linux/i8042.h>
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#include <linux/rfkill.h>
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#include <linux/workqueue.h>
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#include <linux/debugfs.h>
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#include <linux/slab.h>
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#include <linux/input.h>
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#include <linux/input/sparse-keymap.h>
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#include <linux/dmi.h>
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#include <acpi/acpi_drivers.h>
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MODULE_AUTHOR("Carlos Corbacho");
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MODULE_DESCRIPTION("Acer Laptop WMI Extras Driver");
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MODULE_LICENSE("GPL");
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#define ACER_LOGPREFIX "acer-wmi: "
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#define ACER_ERR KERN_ERR ACER_LOGPREFIX
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#define ACER_NOTICE KERN_NOTICE ACER_LOGPREFIX
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#define ACER_INFO KERN_INFO ACER_LOGPREFIX
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#define ACER_WARNING KERN_WARNING ACER_LOGPREFIX
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/*
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* Magic Number
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* Meaning is unknown - this number is required for writing to ACPI for AMW0
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* (it's also used in acerhk when directly accessing the BIOS)
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*/
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#define ACER_AMW0_WRITE 0x9610
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/*
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* Bit masks for the AMW0 interface
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*/
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#define ACER_AMW0_WIRELESS_MASK 0x35
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#define ACER_AMW0_BLUETOOTH_MASK 0x34
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#define ACER_AMW0_MAILLED_MASK 0x31
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/*
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* Method IDs for WMID interface
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*/
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#define ACER_WMID_GET_WIRELESS_METHODID 1
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#define ACER_WMID_GET_BLUETOOTH_METHODID 2
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#define ACER_WMID_GET_BRIGHTNESS_METHODID 3
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#define ACER_WMID_SET_WIRELESS_METHODID 4
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#define ACER_WMID_SET_BLUETOOTH_METHODID 5
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#define ACER_WMID_SET_BRIGHTNESS_METHODID 6
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#define ACER_WMID_GET_THREEG_METHODID 10
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#define ACER_WMID_SET_THREEG_METHODID 11
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/*
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* Acer ACPI method GUIDs
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*/
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#define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB"
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#define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C"
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#define WMID_GUID1 "6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3"
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#define WMID_GUID2 "95764E09-FB56-4e83-B31A-37761F60994A"
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#define WMID_GUID3 "61EF69EA-865C-4BC3-A502-A0DEBA0CB531"
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/*
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* Acer ACPI event GUIDs
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*/
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#define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026"
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MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB");
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MODULE_ALIAS("wmi:6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3");
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MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026");
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enum acer_wmi_event_ids {
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WMID_HOTKEY_EVENT = 0x1,
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};
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static const struct key_entry acer_wmi_keymap[] = {
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{KE_KEY, 0x01, {KEY_WLAN} }, /* WiFi */
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{KE_KEY, 0x12, {KEY_BLUETOOTH} }, /* BT */
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{KE_KEY, 0x21, {KEY_PROG1} }, /* Backup */
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{KE_KEY, 0x22, {KEY_PROG2} }, /* Arcade */
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{KE_KEY, 0x23, {KEY_PROG3} }, /* P_Key */
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{KE_KEY, 0x24, {KEY_PROG4} }, /* Social networking_Key */
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{KE_KEY, 0x64, {KEY_SWITCHVIDEOMODE} }, /* Display Switch */
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{KE_KEY, 0x82, {KEY_F22} }, /* Touch Pad On/Off */
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{KE_END, 0}
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};
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static struct input_dev *acer_wmi_input_dev;
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struct event_return_value {
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u8 function;
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u8 key_num;
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u16 device_state;
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u32 reserved;
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} __attribute__((packed));
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/*
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* GUID3 Get Device Status device flags
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*/
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#define ACER_WMID3_GDS_WIRELESS (1<<0) /* WiFi */
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#define ACER_WMID3_GDS_THREEG (1<<6) /* 3G */
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#define ACER_WMID3_GDS_BLUETOOTH (1<<11) /* BT */
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struct lm_input_params {
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u8 function_num; /* Function Number */
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u16 commun_devices; /* Communication type devices default status */
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u16 devices; /* Other type devices default status */
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u8 lm_status; /* Launch Manager Status */
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u16 reserved;
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} __attribute__((packed));
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struct lm_return_value {
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u8 error_code; /* Error Code */
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u8 ec_return_value; /* EC Return Value */
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u16 reserved;
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} __attribute__((packed));
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struct wmid3_gds_input_param { /* Get Device Status input parameter */
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u8 function_num; /* Function Number */
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u8 hotkey_number; /* Hotkey Number */
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u16 devices; /* Get Device */
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} __attribute__((packed));
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struct wmid3_gds_return_value { /* Get Device Status return value*/
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u8 error_code; /* Error Code */
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u8 ec_return_value; /* EC Return Value */
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u16 devices; /* Current Device Status */
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u32 reserved;
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} __attribute__((packed));
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struct hotkey_function_type_aa {
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u8 type;
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u8 length;
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u16 handle;
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u16 commun_func_bitmap;
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} __attribute__((packed));
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/*
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* Interface capability flags
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*/
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#define ACER_CAP_MAILLED (1<<0)
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#define ACER_CAP_WIRELESS (1<<1)
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#define ACER_CAP_BLUETOOTH (1<<2)
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#define ACER_CAP_BRIGHTNESS (1<<3)
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#define ACER_CAP_THREEG (1<<4)
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#define ACER_CAP_ANY (0xFFFFFFFF)
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/*
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* Interface type flags
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*/
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enum interface_flags {
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ACER_AMW0,
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ACER_AMW0_V2,
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ACER_WMID,
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};
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#define ACER_DEFAULT_WIRELESS 0
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#define ACER_DEFAULT_BLUETOOTH 0
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#define ACER_DEFAULT_MAILLED 0
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#define ACER_DEFAULT_THREEG 0
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static int max_brightness = 0xF;
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static int mailled = -1;
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static int brightness = -1;
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static int threeg = -1;
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static int force_series;
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static bool ec_raw_mode;
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static bool has_type_aa;
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module_param(mailled, int, 0444);
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module_param(brightness, int, 0444);
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module_param(threeg, int, 0444);
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module_param(force_series, int, 0444);
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module_param(ec_raw_mode, bool, 0444);
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MODULE_PARM_DESC(mailled, "Set initial state of Mail LED");
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MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness");
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MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware");
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MODULE_PARM_DESC(force_series, "Force a different laptop series");
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MODULE_PARM_DESC(ec_raw_mode, "Enable EC raw mode");
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struct acer_data {
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int mailled;
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int threeg;
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int brightness;
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};
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struct acer_debug {
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struct dentry *root;
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struct dentry *devices;
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u32 wmid_devices;
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};
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static struct rfkill *wireless_rfkill;
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static struct rfkill *bluetooth_rfkill;
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static struct rfkill *threeg_rfkill;
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/* Each low-level interface must define at least some of the following */
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struct wmi_interface {
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/* The WMI device type */
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u32 type;
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/* The capabilities this interface provides */
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u32 capability;
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/* Private data for the current interface */
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struct acer_data data;
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/* debugfs entries associated with this interface */
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struct acer_debug debug;
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};
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/* The static interface pointer, points to the currently detected interface */
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static struct wmi_interface *interface;
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/*
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* Embedded Controller quirks
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* Some laptops require us to directly access the EC to either enable or query
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* features that are not available through WMI.
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*/
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struct quirk_entry {
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u8 wireless;
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u8 mailled;
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s8 brightness;
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u8 bluetooth;
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};
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static struct quirk_entry *quirks;
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static void set_quirks(void)
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{
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if (!interface)
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return;
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if (quirks->mailled)
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interface->capability |= ACER_CAP_MAILLED;
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if (quirks->brightness)
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interface->capability |= ACER_CAP_BRIGHTNESS;
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}
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static int dmi_matched(const struct dmi_system_id *dmi)
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{
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quirks = dmi->driver_data;
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return 1;
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}
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static struct quirk_entry quirk_unknown = {
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};
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static struct quirk_entry quirk_acer_aspire_1520 = {
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.brightness = -1,
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};
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static struct quirk_entry quirk_acer_travelmate_2490 = {
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.mailled = 1,
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};
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/* This AMW0 laptop has no bluetooth */
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static struct quirk_entry quirk_medion_md_98300 = {
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.wireless = 1,
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};
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static struct quirk_entry quirk_fujitsu_amilo_li_1718 = {
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.wireless = 2,
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};
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/* The Aspire One has a dummy ACPI-WMI interface - disable it */
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static struct dmi_system_id __devinitdata acer_blacklist[] = {
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{
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.ident = "Acer Aspire One (SSD)",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
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DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"),
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},
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},
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{
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.ident = "Acer Aspire One (HDD)",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
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DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
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},
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},
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{}
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};
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static struct dmi_system_id acer_quirks[] = {
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{
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.callback = dmi_matched,
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.ident = "Acer Aspire 1360",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
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DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
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},
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.driver_data = &quirk_acer_aspire_1520,
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},
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{
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.callback = dmi_matched,
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.ident = "Acer Aspire 1520",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
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DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"),
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},
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.driver_data = &quirk_acer_aspire_1520,
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},
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{
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.callback = dmi_matched,
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.ident = "Acer Aspire 3100",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
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DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3100"),
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},
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.driver_data = &quirk_acer_travelmate_2490,
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},
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{
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.callback = dmi_matched,
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.ident = "Acer Aspire 3610",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
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DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"),
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},
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.driver_data = &quirk_acer_travelmate_2490,
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},
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{
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.callback = dmi_matched,
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.ident = "Acer Aspire 5100",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
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DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
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},
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.driver_data = &quirk_acer_travelmate_2490,
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},
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{
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.callback = dmi_matched,
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.ident = "Acer Aspire 5610",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
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DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
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},
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.driver_data = &quirk_acer_travelmate_2490,
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},
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{
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.callback = dmi_matched,
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.ident = "Acer Aspire 5630",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
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DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
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},
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.driver_data = &quirk_acer_travelmate_2490,
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},
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{
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.callback = dmi_matched,
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.ident = "Acer Aspire 5650",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
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DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
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},
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.driver_data = &quirk_acer_travelmate_2490,
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},
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{
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.callback = dmi_matched,
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.ident = "Acer Aspire 5680",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
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DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
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},
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.driver_data = &quirk_acer_travelmate_2490,
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},
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{
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.callback = dmi_matched,
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.ident = "Acer Aspire 9110",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
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DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
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},
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.driver_data = &quirk_acer_travelmate_2490,
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},
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{
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.callback = dmi_matched,
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.ident = "Acer TravelMate 2490",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
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DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
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},
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.driver_data = &quirk_acer_travelmate_2490,
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},
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{
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.callback = dmi_matched,
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.ident = "Acer TravelMate 4200",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
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DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4200"),
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},
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.driver_data = &quirk_acer_travelmate_2490,
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},
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{
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.callback = dmi_matched,
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.ident = "Fujitsu Siemens Amilo Li 1718",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
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DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"),
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},
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.driver_data = &quirk_fujitsu_amilo_li_1718,
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},
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{
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.callback = dmi_matched,
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.ident = "Medion MD 98300",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
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DMI_MATCH(DMI_PRODUCT_NAME, "WAM2030"),
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},
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.driver_data = &quirk_medion_md_98300,
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},
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{}
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};
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/* Find which quirks are needed for a particular vendor/ model pair */
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static void find_quirks(void)
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{
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if (!force_series) {
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dmi_check_system(acer_quirks);
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} else if (force_series == 2490) {
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quirks = &quirk_acer_travelmate_2490;
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}
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if (quirks == NULL)
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quirks = &quirk_unknown;
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set_quirks();
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}
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/*
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* General interface convenience methods
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*/
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static bool has_cap(u32 cap)
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{
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if ((interface->capability & cap) != 0)
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return 1;
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return 0;
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}
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/*
|
|
* 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, 1, 1, &input, result);
|
|
|
|
return status;
|
|
}
|
|
|
|
static acpi_status AMW0_get_u32(u32 *value, u32 cap,
|
|
struct wmi_interface *iface)
|
|
{
|
|
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;
|
|
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 wmi_interface *iface)
|
|
{
|
|
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);
|
|
break;
|
|
}
|
|
default:
|
|
return AE_ERROR;
|
|
}
|
|
|
|
/* Actually do the set */
|
|
return wmab_execute(&args, NULL);
|
|
}
|
|
|
|
static acpi_status 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 acpi_status 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)) {
|
|
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;
|
|
acpi_status status;
|
|
|
|
status = wmi_evaluate_method(WMID_GUID1, 1, method_id, &input, &result);
|
|
|
|
if (ACPI_FAILURE(status))
|
|
return status;
|
|
|
|
obj = (union acpi_object *) result.pointer;
|
|
if (obj && obj->type == ACPI_TYPE_BUFFER &&
|
|
obj->buffer.length == sizeof(u32)) {
|
|
tmp = *((u32 *) obj->buffer.pointer);
|
|
} else {
|
|
tmp = 0;
|
|
}
|
|
|
|
if (out)
|
|
*out = tmp;
|
|
|
|
kfree(result.pointer);
|
|
|
|
return status;
|
|
}
|
|
|
|
static acpi_status WMID_get_u32(u32 *value, u32 cap,
|
|
struct wmi_interface *iface)
|
|
{
|
|
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;
|
|
}
|
|
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, struct wmi_interface *iface)
|
|
{
|
|
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(¶m, 0x1059);
|
|
i8042_unlock_chip();
|
|
return 0;
|
|
}
|
|
break;
|
|
default:
|
|
return AE_ERROR;
|
|
}
|
|
return WMI_execute_u32(method_id, (u32)value, NULL);
|
|
}
|
|
|
|
static void type_aa_dmi_decode(const struct dmi_header *header, void *dummy)
|
|
{
|
|
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;
|
|
|
|
printk(ACER_INFO "Function bitmap for Communication Button: 0x%x\n",
|
|
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;
|
|
}
|
|
|
|
static acpi_status 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, 1, &out);
|
|
if (ACPI_FAILURE(status))
|
|
return status;
|
|
|
|
obj = (union acpi_object *) out.pointer;
|
|
if (obj && obj->type == ACPI_TYPE_BUFFER &&
|
|
obj->buffer.length == sizeof(u32)) {
|
|
devices = *((u32 *) obj->buffer.pointer);
|
|
} else {
|
|
kfree(out.pointer);
|
|
return AE_ERROR;
|
|
}
|
|
|
|
dmi_walk(type_aa_dmi_decode, NULL);
|
|
if (!has_type_aa) {
|
|
interface->capability |= ACER_CAP_WIRELESS;
|
|
interface->capability |= ACER_CAP_THREEG;
|
|
if (devices & 0x10)
|
|
interface->capability |= ACER_CAP_BLUETOOTH;
|
|
}
|
|
|
|
/* WMID always provides brightness methods */
|
|
interface->capability |= ACER_CAP_BRIGHTNESS;
|
|
|
|
if (!(devices & 0x20))
|
|
max_brightness = 0x9;
|
|
|
|
kfree(out.pointer);
|
|
return status;
|
|
}
|
|
|
|
static struct wmi_interface wmid_interface = {
|
|
.type = ACER_WMID,
|
|
};
|
|
|
|
/*
|
|
* 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, interface);
|
|
break;
|
|
case ACER_AMW0_V2:
|
|
if (cap == ACER_CAP_MAILLED) {
|
|
status = AMW0_get_u32(value, cap, interface);
|
|
break;
|
|
}
|
|
case ACER_WMID:
|
|
status = WMID_get_u32(value, cap, interface);
|
|
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, interface);
|
|
case ACER_AMW0_V2:
|
|
if (cap == ACER_CAP_MAILLED)
|
|
return AMW0_set_u32(value, cap, interface);
|
|
|
|
/*
|
|
* 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, interface);
|
|
if (ACPI_FAILURE(status))
|
|
return status;
|
|
|
|
return AMW0_set_u32(value, cap, interface);
|
|
}
|
|
case ACER_WMID:
|
|
return WMID_set_u32(value, cap, interface);
|
|
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
|
|
*/
|
|
set_u32(mailled, ACER_CAP_MAILLED);
|
|
if (!has_type_aa)
|
|
set_u32(threeg, ACER_CAP_THREEG);
|
|
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 __devinit acer_led_init(struct device *dev)
|
|
{
|
|
return led_classdev_register(dev, &mail_led);
|
|
}
|
|
|
|
static void acer_led_exit(void)
|
|
{
|
|
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 = bd->props.brightness;
|
|
|
|
if (bd->props.power != FB_BLANK_UNBLANK)
|
|
intensity = 0;
|
|
if (bd->props.fb_blank != FB_BLANK_UNBLANK)
|
|
intensity = 0;
|
|
|
|
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 __devinit acer_backlight_init(struct device *dev)
|
|
{
|
|
struct backlight_properties props;
|
|
struct backlight_device *bd;
|
|
|
|
memset(&props, 0, sizeof(struct backlight_properties));
|
|
props.max_brightness = max_brightness;
|
|
bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops,
|
|
&props);
|
|
if (IS_ERR(bd)) {
|
|
printk(ACER_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);
|
|
}
|
|
|
|
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_input_param params = {
|
|
.function_num = 0x1,
|
|
.hotkey_number = 0x01,
|
|
.devices = device,
|
|
};
|
|
struct acpi_buffer input = {
|
|
sizeof(struct wmid3_gds_input_param),
|
|
¶ms
|
|
};
|
|
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) {
|
|
printk(ACER_WARNING "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)
|
|
printk(ACER_WARNING "Get Device Status failed: "
|
|
"0x%x - 0x%x\n", return_value.error_code,
|
|
return_value.ec_return_value);
|
|
else
|
|
*value = !!(return_value.devices & device);
|
|
|
|
return status;
|
|
}
|
|
|
|
static acpi_status get_device_status(u32 *value, u32 cap)
|
|
{
|
|
if (wmi_has_guid(WMID_GUID3)) {
|
|
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);
|
|
|
|
} else {
|
|
return get_u32(value, cap);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* 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;
|
|
|
|
status = get_u32(&state, ACER_CAP_WIRELESS);
|
|
if (ACPI_SUCCESS(status))
|
|
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 = wmid3_get_device_status(&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;
|
|
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_device_status(&state, cap);
|
|
if (ACPI_SUCCESS(status))
|
|
rfkill_init_sw_state(rfkill_dev, !state);
|
|
|
|
err = rfkill_register(rfkill_dev);
|
|
if (err) {
|
|
rfkill_destroy(rfkill_dev);
|
|
return ERR_PTR(err);
|
|
}
|
|
return rfkill_dev;
|
|
}
|
|
|
|
static int acer_rfkill_init(struct device *dev)
|
|
{
|
|
wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN,
|
|
"acer-wireless", ACER_CAP_WIRELESS);
|
|
if (IS_ERR(wireless_rfkill))
|
|
return PTR_ERR(wireless_rfkill);
|
|
|
|
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)) {
|
|
rfkill_unregister(wireless_rfkill);
|
|
rfkill_destroy(wireless_rfkill);
|
|
return PTR_ERR(bluetooth_rfkill);
|
|
}
|
|
}
|
|
|
|
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)) {
|
|
rfkill_unregister(wireless_rfkill);
|
|
rfkill_destroy(wireless_rfkill);
|
|
rfkill_unregister(bluetooth_rfkill);
|
|
rfkill_destroy(bluetooth_rfkill);
|
|
return PTR_ERR(threeg_rfkill);
|
|
}
|
|
}
|
|
|
|
schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void acer_rfkill_exit(void)
|
|
{
|
|
cancel_delayed_work_sync(&acer_rfkill_work);
|
|
|
|
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;
|
|
}
|
|
|
|
/*
|
|
* sysfs interface
|
|
*/
|
|
static ssize_t show_bool_threeg(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
u32 result; \
|
|
acpi_status status;
|
|
if (wmi_has_guid(WMID_GUID3))
|
|
status = wmid3_get_device_status(&result,
|
|
ACER_WMID3_GDS_THREEG);
|
|
else
|
|
status = get_u32(&result, ACER_CAP_THREEG);
|
|
if (ACPI_SUCCESS(status))
|
|
return sprintf(buf, "%u\n", result);
|
|
return sprintf(buf, "Read error\n");
|
|
}
|
|
|
|
static ssize_t set_bool_threeg(struct device *dev,
|
|
struct device_attribute *attr, const char *buf, size_t count)
|
|
{
|
|
u32 tmp = simple_strtoul(buf, NULL, 10);
|
|
acpi_status status = set_u32(tmp, ACER_CAP_THREEG);
|
|
if (ACPI_FAILURE(status))
|
|
return -EINVAL;
|
|
return count;
|
|
}
|
|
static DEVICE_ATTR(threeg, S_IWUGO | S_IRUGO | S_IWUSR, show_bool_threeg,
|
|
set_bool_threeg);
|
|
|
|
static ssize_t show_interface(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
switch (interface->type) {
|
|
case ACER_AMW0:
|
|
return sprintf(buf, "AMW0\n");
|
|
case ACER_AMW0_V2:
|
|
return sprintf(buf, "AMW0 v2\n");
|
|
case ACER_WMID:
|
|
return sprintf(buf, "WMID\n");
|
|
default:
|
|
return sprintf(buf, "Error!\n");
|
|
}
|
|
}
|
|
|
|
static DEVICE_ATTR(interface, S_IRUGO, show_interface, NULL);
|
|
|
|
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;
|
|
|
|
status = wmi_get_event_data(value, &response);
|
|
if (status != AE_OK) {
|
|
printk(ACER_WARNING "bad event status 0x%x\n", status);
|
|
return;
|
|
}
|
|
|
|
obj = (union acpi_object *)response.pointer;
|
|
|
|
if (!obj)
|
|
return;
|
|
if (obj->type != ACPI_TYPE_BUFFER) {
|
|
printk(ACER_WARNING "Unknown response received %d\n",
|
|
obj->type);
|
|
kfree(obj);
|
|
return;
|
|
}
|
|
if (obj->buffer.length != 8) {
|
|
printk(ACER_WARNING "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:
|
|
if (!sparse_keymap_report_event(acer_wmi_input_dev,
|
|
return_value.key_num, 1, true))
|
|
printk(ACER_WARNING "Unknown key number - 0x%x\n",
|
|
return_value.key_num);
|
|
break;
|
|
default:
|
|
printk(ACER_WARNING "Unknown function number - %d - %d\n",
|
|
return_value.function, return_value.key_num);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static acpi_status
|
|
wmid3_set_lm_mode(struct lm_input_params *params,
|
|
struct lm_return_value *return_value)
|
|
{
|
|
acpi_status status;
|
|
union acpi_object *obj;
|
|
|
|
struct acpi_buffer input = { sizeof(struct lm_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) {
|
|
printk(ACER_WARNING "Unknown buffer length %d\n",
|
|
obj->buffer.length);
|
|
kfree(obj);
|
|
return AE_ERROR;
|
|
}
|
|
|
|
*return_value = *((struct lm_return_value *)obj->buffer.pointer);
|
|
kfree(obj);
|
|
|
|
return status;
|
|
}
|
|
|
|
static int acer_wmi_enable_ec_raw(void)
|
|
{
|
|
struct lm_return_value return_value;
|
|
acpi_status status;
|
|
struct lm_input_params params = {
|
|
.function_num = 0x1,
|
|
.commun_devices = 0xFFFF,
|
|
.devices = 0xFFFF,
|
|
.lm_status = 0x00, /* Launch Manager Deactive */
|
|
};
|
|
|
|
status = wmid3_set_lm_mode(¶ms, &return_value);
|
|
|
|
if (return_value.error_code || return_value.ec_return_value)
|
|
printk(ACER_WARNING "Enabling EC raw mode failed: "
|
|
"0x%x - 0x%x\n", return_value.error_code,
|
|
return_value.ec_return_value);
|
|
else
|
|
printk(ACER_INFO "Enabled EC raw mode");
|
|
|
|
return status;
|
|
}
|
|
|
|
static int acer_wmi_enable_lm(void)
|
|
{
|
|
struct lm_return_value return_value;
|
|
acpi_status status;
|
|
struct lm_input_params params = {
|
|
.function_num = 0x1,
|
|
.commun_devices = 0xFFFF,
|
|
.devices = 0xFFFF,
|
|
.lm_status = 0x01, /* Launch Manager Active */
|
|
};
|
|
|
|
status = wmid3_set_lm_mode(¶ms, &return_value);
|
|
|
|
if (return_value.error_code || return_value.ec_return_value)
|
|
printk(ACER_WARNING "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_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;
|
|
|
|
status = wmi_install_notify_handler(ACERWMID_EVENT_GUID,
|
|
acer_wmi_notify, NULL);
|
|
if (ACPI_FAILURE(status)) {
|
|
err = -EIO;
|
|
goto err_free_keymap;
|
|
}
|
|
|
|
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_keymap:
|
|
sparse_keymap_free(acer_wmi_input_dev);
|
|
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);
|
|
sparse_keymap_free(acer_wmi_input_dev);
|
|
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, 1, &out);
|
|
if (ACPI_FAILURE(status))
|
|
return 0;
|
|
|
|
obj = (union acpi_object *) out.pointer;
|
|
if (obj && obj->type == ACPI_TYPE_BUFFER &&
|
|
obj->buffer.length == sizeof(u32)) {
|
|
devices = *((u32 *) obj->buffer.pointer);
|
|
}
|
|
|
|
kfree(out.pointer);
|
|
return devices;
|
|
}
|
|
|
|
/*
|
|
* Platform device
|
|
*/
|
|
static int __devinit 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 int 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();
|
|
return 0;
|
|
}
|
|
|
|
static int acer_platform_suspend(struct platform_device *dev,
|
|
pm_message_t state)
|
|
{
|
|
u32 value;
|
|
struct acer_data *data = &interface->data;
|
|
|
|
if (!data)
|
|
return -ENOMEM;
|
|
|
|
if (has_cap(ACER_CAP_MAILLED)) {
|
|
get_u32(&value, 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_platform_resume(struct platform_device *device)
|
|
{
|
|
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);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver acer_platform_driver = {
|
|
.driver = {
|
|
.name = "acer-wmi",
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.probe = acer_platform_probe,
|
|
.remove = acer_platform_remove,
|
|
.suspend = acer_platform_suspend,
|
|
.resume = acer_platform_resume,
|
|
};
|
|
|
|
static struct platform_device *acer_platform_device;
|
|
|
|
static int remove_sysfs(struct platform_device *device)
|
|
{
|
|
if (has_cap(ACER_CAP_THREEG))
|
|
device_remove_file(&device->dev, &dev_attr_threeg);
|
|
|
|
device_remove_file(&device->dev, &dev_attr_interface);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int create_sysfs(void)
|
|
{
|
|
int retval = -ENOMEM;
|
|
|
|
if (has_cap(ACER_CAP_THREEG)) {
|
|
retval = device_create_file(&acer_platform_device->dev,
|
|
&dev_attr_threeg);
|
|
if (retval)
|
|
goto error_sysfs;
|
|
}
|
|
|
|
retval = device_create_file(&acer_platform_device->dev,
|
|
&dev_attr_interface);
|
|
if (retval)
|
|
goto error_sysfs;
|
|
|
|
return 0;
|
|
|
|
error_sysfs:
|
|
remove_sysfs(acer_platform_device);
|
|
return retval;
|
|
}
|
|
|
|
static void remove_debugfs(void)
|
|
{
|
|
debugfs_remove(interface->debug.devices);
|
|
debugfs_remove(interface->debug.root);
|
|
}
|
|
|
|
static int create_debugfs(void)
|
|
{
|
|
interface->debug.root = debugfs_create_dir("acer-wmi", NULL);
|
|
if (!interface->debug.root) {
|
|
printk(ACER_ERR "Failed to create debugfs directory");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
interface->debug.devices = debugfs_create_u32("devices", S_IRUGO,
|
|
interface->debug.root,
|
|
&interface->debug.wmid_devices);
|
|
if (!interface->debug.devices)
|
|
goto error_debugfs;
|
|
|
|
return 0;
|
|
|
|
error_debugfs:
|
|
remove_debugfs();
|
|
return -ENOMEM;
|
|
}
|
|
|
|
static int __init acer_wmi_init(void)
|
|
{
|
|
int err;
|
|
|
|
printk(ACER_INFO "Acer Laptop ACPI-WMI Extras\n");
|
|
|
|
if (dmi_check_system(acer_blacklist)) {
|
|
printk(ACER_INFO "Blacklisted hardware detected - "
|
|
"not loading\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
find_quirks();
|
|
|
|
/*
|
|
* 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_GUID2) && interface) {
|
|
if (ACPI_FAILURE(WMID_set_capabilities())) {
|
|
printk(ACER_ERR "Unable to detect available WMID "
|
|
"devices\n");
|
|
return -ENODEV;
|
|
}
|
|
} else if (!wmi_has_guid(WMID_GUID2) && interface) {
|
|
printk(ACER_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())) {
|
|
printk(ACER_ERR "Unable to detect available AMW0 "
|
|
"devices\n");
|
|
return -ENODEV;
|
|
}
|
|
}
|
|
|
|
if (wmi_has_guid(AMW0_GUID1))
|
|
AMW0_find_mailled();
|
|
|
|
if (!interface) {
|
|
printk(ACER_INFO "No or unsupported WMI interface, unable to "
|
|
"load\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
set_quirks();
|
|
|
|
if (acpi_video_backlight_support() && has_cap(ACER_CAP_BRIGHTNESS)) {
|
|
interface->capability &= ~ACER_CAP_BRIGHTNESS;
|
|
printk(ACER_INFO "Brightness must be controlled by "
|
|
"generic video driver\n");
|
|
}
|
|
|
|
if (wmi_has_guid(WMID_GUID3)) {
|
|
if (ec_raw_mode) {
|
|
if (ACPI_FAILURE(acer_wmi_enable_ec_raw())) {
|
|
printk(ACER_ERR "Cannot enable EC raw mode\n");
|
|
return -ENODEV;
|
|
}
|
|
} else if (ACPI_FAILURE(acer_wmi_enable_lm())) {
|
|
printk(ACER_ERR "Cannot enable Launch Manager mode\n");
|
|
return -ENODEV;
|
|
}
|
|
} else if (ec_raw_mode) {
|
|
printk(ACER_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 = platform_driver_register(&acer_platform_driver);
|
|
if (err) {
|
|
printk(ACER_ERR "Unable to register platform driver.\n");
|
|
goto error_platform_register;
|
|
}
|
|
|
|
acer_platform_device = platform_device_alloc("acer-wmi", -1);
|
|
if (!acer_platform_device) {
|
|
err = -ENOMEM;
|
|
goto error_device_alloc;
|
|
}
|
|
|
|
err = platform_device_add(acer_platform_device);
|
|
if (err)
|
|
goto error_device_add;
|
|
|
|
err = create_sysfs();
|
|
if (err)
|
|
goto error_create_sys;
|
|
|
|
if (wmi_has_guid(WMID_GUID2)) {
|
|
interface->debug.wmid_devices = get_wmid_devices();
|
|
err = create_debugfs();
|
|
if (err)
|
|
goto error_create_debugfs;
|
|
}
|
|
|
|
/* Override any initial settings with values from the commandline */
|
|
acer_commandline_init();
|
|
|
|
return 0;
|
|
|
|
error_create_debugfs:
|
|
remove_sysfs(acer_platform_device);
|
|
error_create_sys:
|
|
platform_device_del(acer_platform_device);
|
|
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();
|
|
|
|
return err;
|
|
}
|
|
|
|
static void __exit acer_wmi_exit(void)
|
|
{
|
|
if (wmi_has_guid(ACERWMID_EVENT_GUID))
|
|
acer_wmi_input_destroy();
|
|
|
|
remove_sysfs(acer_platform_device);
|
|
remove_debugfs();
|
|
platform_device_unregister(acer_platform_device);
|
|
platform_driver_unregister(&acer_platform_driver);
|
|
|
|
printk(ACER_INFO "Acer Laptop WMI Extras unloaded\n");
|
|
return;
|
|
}
|
|
|
|
module_init(acer_wmi_init);
|
|
module_exit(acer_wmi_exit);
|