1534 lines
36 KiB
C
1534 lines
36 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* HP WMI hotkeys
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*
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* Copyright (C) 2008 Red Hat <mjg@redhat.com>
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* Copyright (C) 2010, 2011 Anssi Hannula <anssi.hannula@iki.fi>
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*
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* Portions based on wistron_btns.c:
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* Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
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* Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
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* Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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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/slab.h>
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#include <linux/types.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/platform_device.h>
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#include <linux/platform_profile.h>
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#include <linux/hwmon.h>
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#include <linux/acpi.h>
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#include <linux/rfkill.h>
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#include <linux/string.h>
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#include <linux/dmi.h>
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MODULE_AUTHOR("Matthew Garrett <mjg59@srcf.ucam.org>");
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MODULE_DESCRIPTION("HP laptop WMI hotkeys driver");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("wmi:95F24279-4D7B-4334-9387-ACCDC67EF61C");
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MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4");
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#define HPWMI_EVENT_GUID "95F24279-4D7B-4334-9387-ACCDC67EF61C"
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#define HPWMI_BIOS_GUID "5FB7F034-2C63-45e9-BE91-3D44E2C707E4"
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#define HP_OMEN_EC_THERMAL_PROFILE_OFFSET 0x95
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#define zero_if_sup(tmp) (zero_insize_support?0:sizeof(tmp)) // use when zero insize is required
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/* DMI board names of devices that should use the omen specific path for
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* thermal profiles.
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* This was obtained by taking a look in the windows omen command center
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* app and parsing a json file that they use to figure out what capabilities
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* the device should have.
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* A device is considered an omen if the DisplayName in that list contains
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* "OMEN", and it can use the thermal profile stuff if the "Feature" array
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* contains "PerformanceControl".
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*/
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static const char * const omen_thermal_profile_boards[] = {
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"84DA", "84DB", "84DC", "8574", "8575", "860A", "87B5", "8572", "8573",
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"8600", "8601", "8602", "8605", "8606", "8607", "8746", "8747", "8749",
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"874A", "8603", "8604", "8748", "886B", "886C", "878A", "878B", "878C",
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"88C8", "88CB", "8786", "8787", "8788", "88D1", "88D2", "88F4", "88FD",
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"88F5", "88F6", "88F7", "88FE", "88FF", "8900", "8901", "8902", "8912",
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"8917", "8918", "8949", "894A", "89EB"
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};
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/* DMI Board names of Omen laptops that are specifically set to be thermal
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* profile version 0 by the Omen Command Center app, regardless of what
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* the get system design information WMI call returns
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*/
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static const char *const omen_thermal_profile_force_v0_boards[] = {
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"8607", "8746", "8747", "8749", "874A", "8748"
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};
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enum hp_wmi_radio {
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HPWMI_WIFI = 0x0,
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HPWMI_BLUETOOTH = 0x1,
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HPWMI_WWAN = 0x2,
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HPWMI_GPS = 0x3,
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};
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enum hp_wmi_event_ids {
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HPWMI_DOCK_EVENT = 0x01,
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HPWMI_PARK_HDD = 0x02,
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HPWMI_SMART_ADAPTER = 0x03,
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HPWMI_BEZEL_BUTTON = 0x04,
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HPWMI_WIRELESS = 0x05,
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HPWMI_CPU_BATTERY_THROTTLE = 0x06,
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HPWMI_LOCK_SWITCH = 0x07,
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HPWMI_LID_SWITCH = 0x08,
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HPWMI_SCREEN_ROTATION = 0x09,
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HPWMI_COOLSENSE_SYSTEM_MOBILE = 0x0A,
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HPWMI_COOLSENSE_SYSTEM_HOT = 0x0B,
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HPWMI_PROXIMITY_SENSOR = 0x0C,
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HPWMI_BACKLIT_KB_BRIGHTNESS = 0x0D,
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HPWMI_PEAKSHIFT_PERIOD = 0x0F,
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HPWMI_BATTERY_CHARGE_PERIOD = 0x10,
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};
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/*
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* struct bios_args buffer is dynamically allocated. New WMI command types
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* were introduced that exceeds 128-byte data size. Changes to handle
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* the data size allocation scheme were kept in hp_wmi_perform_qurey function.
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*/
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struct bios_args {
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u32 signature;
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u32 command;
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u32 commandtype;
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u32 datasize;
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u8 data[];
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};
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enum hp_wmi_commandtype {
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HPWMI_DISPLAY_QUERY = 0x01,
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HPWMI_HDDTEMP_QUERY = 0x02,
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HPWMI_ALS_QUERY = 0x03,
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HPWMI_HARDWARE_QUERY = 0x04,
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HPWMI_WIRELESS_QUERY = 0x05,
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HPWMI_BATTERY_QUERY = 0x07,
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HPWMI_BIOS_QUERY = 0x09,
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HPWMI_FEATURE_QUERY = 0x0b,
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HPWMI_HOTKEY_QUERY = 0x0c,
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HPWMI_FEATURE2_QUERY = 0x0d,
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HPWMI_WIRELESS2_QUERY = 0x1b,
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HPWMI_POSTCODEERROR_QUERY = 0x2a,
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HPWMI_SYSTEM_DEVICE_MODE = 0x40,
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HPWMI_THERMAL_PROFILE_QUERY = 0x4c,
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};
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enum hp_wmi_gm_commandtype {
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HPWMI_FAN_SPEED_GET_QUERY = 0x11,
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HPWMI_SET_PERFORMANCE_MODE = 0x1A,
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HPWMI_FAN_SPEED_MAX_GET_QUERY = 0x26,
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HPWMI_FAN_SPEED_MAX_SET_QUERY = 0x27,
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HPWMI_GET_SYSTEM_DESIGN_DATA = 0x28,
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};
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enum hp_wmi_command {
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HPWMI_READ = 0x01,
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HPWMI_WRITE = 0x02,
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HPWMI_ODM = 0x03,
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HPWMI_GM = 0x20008,
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};
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enum hp_wmi_hardware_mask {
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HPWMI_DOCK_MASK = 0x01,
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HPWMI_TABLET_MASK = 0x04,
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};
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struct bios_return {
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u32 sigpass;
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u32 return_code;
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};
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enum hp_return_value {
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HPWMI_RET_WRONG_SIGNATURE = 0x02,
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HPWMI_RET_UNKNOWN_COMMAND = 0x03,
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HPWMI_RET_UNKNOWN_CMDTYPE = 0x04,
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HPWMI_RET_INVALID_PARAMETERS = 0x05,
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};
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enum hp_wireless2_bits {
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HPWMI_POWER_STATE = 0x01,
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HPWMI_POWER_SOFT = 0x02,
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HPWMI_POWER_BIOS = 0x04,
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HPWMI_POWER_HARD = 0x08,
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HPWMI_POWER_FW_OR_HW = HPWMI_POWER_BIOS | HPWMI_POWER_HARD,
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};
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enum hp_thermal_profile_omen_v0 {
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HP_OMEN_V0_THERMAL_PROFILE_DEFAULT = 0x00,
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HP_OMEN_V0_THERMAL_PROFILE_PERFORMANCE = 0x01,
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HP_OMEN_V0_THERMAL_PROFILE_COOL = 0x02,
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};
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enum hp_thermal_profile_omen_v1 {
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HP_OMEN_V1_THERMAL_PROFILE_DEFAULT = 0x30,
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HP_OMEN_V1_THERMAL_PROFILE_PERFORMANCE = 0x31,
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HP_OMEN_V1_THERMAL_PROFILE_COOL = 0x50,
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};
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enum hp_thermal_profile {
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HP_THERMAL_PROFILE_PERFORMANCE = 0x00,
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HP_THERMAL_PROFILE_DEFAULT = 0x01,
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HP_THERMAL_PROFILE_COOL = 0x02
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};
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#define IS_HWBLOCKED(x) ((x & HPWMI_POWER_FW_OR_HW) != HPWMI_POWER_FW_OR_HW)
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#define IS_SWBLOCKED(x) !(x & HPWMI_POWER_SOFT)
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struct bios_rfkill2_device_state {
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u8 radio_type;
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u8 bus_type;
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u16 vendor_id;
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u16 product_id;
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u16 subsys_vendor_id;
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u16 subsys_product_id;
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u8 rfkill_id;
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u8 power;
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u8 unknown[4];
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};
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/* 7 devices fit into the 128 byte buffer */
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#define HPWMI_MAX_RFKILL2_DEVICES 7
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struct bios_rfkill2_state {
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u8 unknown[7];
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u8 count;
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u8 pad[8];
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struct bios_rfkill2_device_state device[HPWMI_MAX_RFKILL2_DEVICES];
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};
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static const struct key_entry hp_wmi_keymap[] = {
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{ KE_KEY, 0x02, { KEY_BRIGHTNESSUP } },
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{ KE_KEY, 0x03, { KEY_BRIGHTNESSDOWN } },
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{ KE_KEY, 0x20e6, { KEY_PROG1 } },
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{ KE_KEY, 0x20e8, { KEY_MEDIA } },
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{ KE_KEY, 0x2142, { KEY_MEDIA } },
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{ KE_KEY, 0x213b, { KEY_INFO } },
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{ KE_KEY, 0x2169, { KEY_ROTATE_DISPLAY } },
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{ KE_KEY, 0x216a, { KEY_SETUP } },
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{ KE_KEY, 0x231b, { KEY_HELP } },
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{ KE_END, 0 }
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};
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static struct input_dev *hp_wmi_input_dev;
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static struct platform_device *hp_wmi_platform_dev;
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static struct platform_profile_handler platform_profile_handler;
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static bool platform_profile_support;
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static bool zero_insize_support;
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static struct rfkill *wifi_rfkill;
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static struct rfkill *bluetooth_rfkill;
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static struct rfkill *wwan_rfkill;
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struct rfkill2_device {
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u8 id;
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int num;
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struct rfkill *rfkill;
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};
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static int rfkill2_count;
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static struct rfkill2_device rfkill2[HPWMI_MAX_RFKILL2_DEVICES];
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/*
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* Chassis Types values were obtained from SMBIOS reference
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* specification version 3.00. A complete list of system enclosures
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* and chassis types is available on Table 17.
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*/
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static const char * const tablet_chassis_types[] = {
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"30", /* Tablet*/
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"31", /* Convertible */
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"32" /* Detachable */
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};
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#define DEVICE_MODE_TABLET 0x06
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/* map output size to the corresponding WMI method id */
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static inline int encode_outsize_for_pvsz(int outsize)
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{
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if (outsize > 4096)
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return -EINVAL;
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if (outsize > 1024)
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return 5;
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if (outsize > 128)
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return 4;
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if (outsize > 4)
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return 3;
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if (outsize > 0)
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return 2;
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return 1;
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}
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/*
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* hp_wmi_perform_query
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*
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* query: The commandtype (enum hp_wmi_commandtype)
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* write: The command (enum hp_wmi_command)
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* buffer: Buffer used as input and/or output
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* insize: Size of input buffer
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* outsize: Size of output buffer
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*
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* returns zero on success
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* an HP WMI query specific error code (which is positive)
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* -EINVAL if the query was not successful at all
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* -EINVAL if the output buffer size exceeds buffersize
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*
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* Note: The buffersize must at least be the maximum of the input and output
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* size. E.g. Battery info query is defined to have 1 byte input
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* and 128 byte output. The caller would do:
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* buffer = kzalloc(128, GFP_KERNEL);
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* ret = hp_wmi_perform_query(HPWMI_BATTERY_QUERY, HPWMI_READ, buffer, 1, 128)
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*/
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static int hp_wmi_perform_query(int query, enum hp_wmi_command command,
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void *buffer, int insize, int outsize)
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{
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struct acpi_buffer input, output = { ACPI_ALLOCATE_BUFFER, NULL };
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struct bios_return *bios_return;
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union acpi_object *obj = NULL;
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struct bios_args *args = NULL;
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int mid, actual_insize, actual_outsize;
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size_t bios_args_size;
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int ret;
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mid = encode_outsize_for_pvsz(outsize);
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if (WARN_ON(mid < 0))
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return mid;
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actual_insize = max(insize, 128);
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bios_args_size = struct_size(args, data, actual_insize);
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args = kmalloc(bios_args_size, GFP_KERNEL);
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if (!args)
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return -ENOMEM;
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input.length = bios_args_size;
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input.pointer = args;
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args->signature = 0x55434553;
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args->command = command;
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args->commandtype = query;
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args->datasize = insize;
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memcpy(args->data, buffer, flex_array_size(args, data, insize));
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ret = wmi_evaluate_method(HPWMI_BIOS_GUID, 0, mid, &input, &output);
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if (ret)
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goto out_free;
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obj = output.pointer;
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if (!obj) {
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ret = -EINVAL;
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goto out_free;
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}
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if (obj->type != ACPI_TYPE_BUFFER) {
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pr_warn("query 0x%x returned an invalid object 0x%x\n", query, ret);
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ret = -EINVAL;
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goto out_free;
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}
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bios_return = (struct bios_return *)obj->buffer.pointer;
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ret = bios_return->return_code;
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if (ret) {
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if (ret != HPWMI_RET_UNKNOWN_COMMAND &&
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ret != HPWMI_RET_UNKNOWN_CMDTYPE)
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pr_warn("query 0x%x returned error 0x%x\n", query, ret);
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goto out_free;
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}
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/* Ignore output data of zero size */
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if (!outsize)
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goto out_free;
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actual_outsize = min(outsize, (int)(obj->buffer.length - sizeof(*bios_return)));
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memcpy(buffer, obj->buffer.pointer + sizeof(*bios_return), actual_outsize);
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memset(buffer + actual_outsize, 0, outsize - actual_outsize);
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out_free:
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kfree(obj);
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kfree(args);
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return ret;
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}
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static int hp_wmi_get_fan_speed(int fan)
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{
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u8 fsh, fsl;
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char fan_data[4] = { fan, 0, 0, 0 };
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int ret = hp_wmi_perform_query(HPWMI_FAN_SPEED_GET_QUERY, HPWMI_GM,
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&fan_data, sizeof(char),
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sizeof(fan_data));
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if (ret != 0)
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return -EINVAL;
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fsh = fan_data[2];
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fsl = fan_data[3];
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return (fsh << 8) | fsl;
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}
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static int hp_wmi_read_int(int query)
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{
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int val = 0, ret;
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ret = hp_wmi_perform_query(query, HPWMI_READ, &val,
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zero_if_sup(val), sizeof(val));
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if (ret)
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return ret < 0 ? ret : -EINVAL;
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return val;
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}
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static int hp_wmi_get_dock_state(void)
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{
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int state = hp_wmi_read_int(HPWMI_HARDWARE_QUERY);
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if (state < 0)
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return state;
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return !!(state & HPWMI_DOCK_MASK);
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}
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static int hp_wmi_get_tablet_mode(void)
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{
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char system_device_mode[4] = { 0 };
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const char *chassis_type;
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bool tablet_found;
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int ret;
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chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE);
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if (!chassis_type)
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return -ENODEV;
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tablet_found = match_string(tablet_chassis_types,
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ARRAY_SIZE(tablet_chassis_types),
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chassis_type) >= 0;
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if (!tablet_found)
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return -ENODEV;
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ret = hp_wmi_perform_query(HPWMI_SYSTEM_DEVICE_MODE, HPWMI_READ,
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system_device_mode, zero_if_sup(system_device_mode),
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sizeof(system_device_mode));
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if (ret < 0)
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return ret;
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return system_device_mode[0] == DEVICE_MODE_TABLET;
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}
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static int omen_thermal_profile_set(int mode)
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{
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char buffer[2] = {0, mode};
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int ret;
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ret = hp_wmi_perform_query(HPWMI_SET_PERFORMANCE_MODE, HPWMI_GM,
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&buffer, sizeof(buffer), 0);
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if (ret)
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return ret < 0 ? ret : -EINVAL;
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return mode;
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}
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static bool is_omen_thermal_profile(void)
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{
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const char *board_name = dmi_get_system_info(DMI_BOARD_NAME);
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if (!board_name)
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return false;
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return match_string(omen_thermal_profile_boards,
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ARRAY_SIZE(omen_thermal_profile_boards),
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board_name) >= 0;
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}
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static int omen_get_thermal_policy_version(void)
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{
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unsigned char buffer[8] = { 0 };
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int ret;
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const char *board_name = dmi_get_system_info(DMI_BOARD_NAME);
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if (board_name) {
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int matches = match_string(omen_thermal_profile_force_v0_boards,
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ARRAY_SIZE(omen_thermal_profile_force_v0_boards),
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board_name);
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if (matches >= 0)
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return 0;
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}
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ret = hp_wmi_perform_query(HPWMI_GET_SYSTEM_DESIGN_DATA, HPWMI_GM,
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&buffer, sizeof(buffer), sizeof(buffer));
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if (ret)
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return ret < 0 ? ret : -EINVAL;
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return buffer[3];
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}
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|
|
static int omen_thermal_profile_get(void)
|
|
{
|
|
u8 data;
|
|
|
|
int ret = ec_read(HP_OMEN_EC_THERMAL_PROFILE_OFFSET, &data);
|
|
|
|
if (ret)
|
|
return ret;
|
|
|
|
return data;
|
|
}
|
|
|
|
static int hp_wmi_fan_speed_max_set(int enabled)
|
|
{
|
|
int ret;
|
|
|
|
ret = hp_wmi_perform_query(HPWMI_FAN_SPEED_MAX_SET_QUERY, HPWMI_GM,
|
|
&enabled, sizeof(enabled), 0);
|
|
|
|
if (ret)
|
|
return ret < 0 ? ret : -EINVAL;
|
|
|
|
return enabled;
|
|
}
|
|
|
|
static int hp_wmi_fan_speed_max_get(void)
|
|
{
|
|
int val = 0, ret;
|
|
|
|
ret = hp_wmi_perform_query(HPWMI_FAN_SPEED_MAX_GET_QUERY, HPWMI_GM,
|
|
&val, zero_if_sup(val), sizeof(val));
|
|
|
|
if (ret)
|
|
return ret < 0 ? ret : -EINVAL;
|
|
|
|
return val;
|
|
}
|
|
|
|
static int __init hp_wmi_bios_2008_later(void)
|
|
{
|
|
int state = 0;
|
|
int ret = hp_wmi_perform_query(HPWMI_FEATURE_QUERY, HPWMI_READ, &state,
|
|
zero_if_sup(state), sizeof(state));
|
|
if (!ret)
|
|
return 1;
|
|
|
|
return (ret == HPWMI_RET_UNKNOWN_CMDTYPE) ? 0 : -ENXIO;
|
|
}
|
|
|
|
static int __init hp_wmi_bios_2009_later(void)
|
|
{
|
|
u8 state[128];
|
|
int ret = hp_wmi_perform_query(HPWMI_FEATURE2_QUERY, HPWMI_READ, &state,
|
|
zero_if_sup(state), sizeof(state));
|
|
if (!ret)
|
|
return 1;
|
|
|
|
return (ret == HPWMI_RET_UNKNOWN_CMDTYPE) ? 0 : -ENXIO;
|
|
}
|
|
|
|
static int __init hp_wmi_enable_hotkeys(void)
|
|
{
|
|
int value = 0x6e;
|
|
int ret = hp_wmi_perform_query(HPWMI_BIOS_QUERY, HPWMI_WRITE, &value,
|
|
sizeof(value), 0);
|
|
|
|
return ret <= 0 ? ret : -EINVAL;
|
|
}
|
|
|
|
static int hp_wmi_set_block(void *data, bool blocked)
|
|
{
|
|
enum hp_wmi_radio r = (enum hp_wmi_radio) data;
|
|
int query = BIT(r + 8) | ((!blocked) << r);
|
|
int ret;
|
|
|
|
ret = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, HPWMI_WRITE,
|
|
&query, sizeof(query), 0);
|
|
|
|
return ret <= 0 ? ret : -EINVAL;
|
|
}
|
|
|
|
static const struct rfkill_ops hp_wmi_rfkill_ops = {
|
|
.set_block = hp_wmi_set_block,
|
|
};
|
|
|
|
static bool hp_wmi_get_sw_state(enum hp_wmi_radio r)
|
|
{
|
|
int mask = 0x200 << (r * 8);
|
|
|
|
int wireless = hp_wmi_read_int(HPWMI_WIRELESS_QUERY);
|
|
|
|
/* TBD: Pass error */
|
|
WARN_ONCE(wireless < 0, "error executing HPWMI_WIRELESS_QUERY");
|
|
|
|
return !(wireless & mask);
|
|
}
|
|
|
|
static bool hp_wmi_get_hw_state(enum hp_wmi_radio r)
|
|
{
|
|
int mask = 0x800 << (r * 8);
|
|
|
|
int wireless = hp_wmi_read_int(HPWMI_WIRELESS_QUERY);
|
|
|
|
/* TBD: Pass error */
|
|
WARN_ONCE(wireless < 0, "error executing HPWMI_WIRELESS_QUERY");
|
|
|
|
return !(wireless & mask);
|
|
}
|
|
|
|
static int hp_wmi_rfkill2_set_block(void *data, bool blocked)
|
|
{
|
|
int rfkill_id = (int)(long)data;
|
|
char buffer[4] = { 0x01, 0x00, rfkill_id, !blocked };
|
|
int ret;
|
|
|
|
ret = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, HPWMI_WRITE,
|
|
buffer, sizeof(buffer), 0);
|
|
|
|
return ret <= 0 ? ret : -EINVAL;
|
|
}
|
|
|
|
static const struct rfkill_ops hp_wmi_rfkill2_ops = {
|
|
.set_block = hp_wmi_rfkill2_set_block,
|
|
};
|
|
|
|
static int hp_wmi_rfkill2_refresh(void)
|
|
{
|
|
struct bios_rfkill2_state state;
|
|
int err, i;
|
|
|
|
err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, HPWMI_READ, &state,
|
|
zero_if_sup(state), sizeof(state));
|
|
if (err)
|
|
return err;
|
|
|
|
for (i = 0; i < rfkill2_count; i++) {
|
|
int num = rfkill2[i].num;
|
|
struct bios_rfkill2_device_state *devstate;
|
|
devstate = &state.device[num];
|
|
|
|
if (num >= state.count ||
|
|
devstate->rfkill_id != rfkill2[i].id) {
|
|
pr_warn("power configuration of the wireless devices unexpectedly changed\n");
|
|
continue;
|
|
}
|
|
|
|
rfkill_set_states(rfkill2[i].rfkill,
|
|
IS_SWBLOCKED(devstate->power),
|
|
IS_HWBLOCKED(devstate->power));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t display_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
int value = hp_wmi_read_int(HPWMI_DISPLAY_QUERY);
|
|
if (value < 0)
|
|
return value;
|
|
return sprintf(buf, "%d\n", value);
|
|
}
|
|
|
|
static ssize_t hddtemp_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
int value = hp_wmi_read_int(HPWMI_HDDTEMP_QUERY);
|
|
if (value < 0)
|
|
return value;
|
|
return sprintf(buf, "%d\n", value);
|
|
}
|
|
|
|
static ssize_t als_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
int value = hp_wmi_read_int(HPWMI_ALS_QUERY);
|
|
if (value < 0)
|
|
return value;
|
|
return sprintf(buf, "%d\n", value);
|
|
}
|
|
|
|
static ssize_t dock_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
int value = hp_wmi_get_dock_state();
|
|
if (value < 0)
|
|
return value;
|
|
return sprintf(buf, "%d\n", value);
|
|
}
|
|
|
|
static ssize_t tablet_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
int value = hp_wmi_get_tablet_mode();
|
|
if (value < 0)
|
|
return value;
|
|
return sprintf(buf, "%d\n", value);
|
|
}
|
|
|
|
static ssize_t postcode_show(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
/* Get the POST error code of previous boot failure. */
|
|
int value = hp_wmi_read_int(HPWMI_POSTCODEERROR_QUERY);
|
|
if (value < 0)
|
|
return value;
|
|
return sprintf(buf, "0x%x\n", value);
|
|
}
|
|
|
|
static ssize_t als_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
u32 tmp;
|
|
int ret;
|
|
|
|
ret = kstrtou32(buf, 10, &tmp);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, HPWMI_WRITE, &tmp,
|
|
sizeof(tmp), 0);
|
|
if (ret)
|
|
return ret < 0 ? ret : -EINVAL;
|
|
|
|
return count;
|
|
}
|
|
|
|
static ssize_t postcode_store(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
u32 tmp = 1;
|
|
bool clear;
|
|
int ret;
|
|
|
|
ret = kstrtobool(buf, &clear);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (clear == false)
|
|
return -EINVAL;
|
|
|
|
/* Clear the POST error code. It is kept until cleared. */
|
|
ret = hp_wmi_perform_query(HPWMI_POSTCODEERROR_QUERY, HPWMI_WRITE, &tmp,
|
|
sizeof(tmp), 0);
|
|
if (ret)
|
|
return ret < 0 ? ret : -EINVAL;
|
|
|
|
return count;
|
|
}
|
|
|
|
static DEVICE_ATTR_RO(display);
|
|
static DEVICE_ATTR_RO(hddtemp);
|
|
static DEVICE_ATTR_RW(als);
|
|
static DEVICE_ATTR_RO(dock);
|
|
static DEVICE_ATTR_RO(tablet);
|
|
static DEVICE_ATTR_RW(postcode);
|
|
|
|
static struct attribute *hp_wmi_attrs[] = {
|
|
&dev_attr_display.attr,
|
|
&dev_attr_hddtemp.attr,
|
|
&dev_attr_als.attr,
|
|
&dev_attr_dock.attr,
|
|
&dev_attr_tablet.attr,
|
|
&dev_attr_postcode.attr,
|
|
NULL,
|
|
};
|
|
ATTRIBUTE_GROUPS(hp_wmi);
|
|
|
|
static void hp_wmi_notify(u32 value, void *context)
|
|
{
|
|
struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
|
|
u32 event_id, event_data;
|
|
union acpi_object *obj;
|
|
acpi_status status;
|
|
u32 *location;
|
|
int key_code;
|
|
|
|
status = wmi_get_event_data(value, &response);
|
|
if (status != AE_OK) {
|
|
pr_info("bad event status 0x%x\n", status);
|
|
return;
|
|
}
|
|
|
|
obj = (union acpi_object *)response.pointer;
|
|
|
|
if (!obj)
|
|
return;
|
|
if (obj->type != ACPI_TYPE_BUFFER) {
|
|
pr_info("Unknown response received %d\n", obj->type);
|
|
kfree(obj);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Depending on ACPI version the concatenation of id and event data
|
|
* inside _WED function will result in a 8 or 16 byte buffer.
|
|
*/
|
|
location = (u32 *)obj->buffer.pointer;
|
|
if (obj->buffer.length == 8) {
|
|
event_id = *location;
|
|
event_data = *(location + 1);
|
|
} else if (obj->buffer.length == 16) {
|
|
event_id = *location;
|
|
event_data = *(location + 2);
|
|
} else {
|
|
pr_info("Unknown buffer length %d\n", obj->buffer.length);
|
|
kfree(obj);
|
|
return;
|
|
}
|
|
kfree(obj);
|
|
|
|
switch (event_id) {
|
|
case HPWMI_DOCK_EVENT:
|
|
if (test_bit(SW_DOCK, hp_wmi_input_dev->swbit))
|
|
input_report_switch(hp_wmi_input_dev, SW_DOCK,
|
|
hp_wmi_get_dock_state());
|
|
if (test_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit))
|
|
input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
|
|
hp_wmi_get_tablet_mode());
|
|
input_sync(hp_wmi_input_dev);
|
|
break;
|
|
case HPWMI_PARK_HDD:
|
|
break;
|
|
case HPWMI_SMART_ADAPTER:
|
|
break;
|
|
case HPWMI_BEZEL_BUTTON:
|
|
key_code = hp_wmi_read_int(HPWMI_HOTKEY_QUERY);
|
|
if (key_code < 0)
|
|
break;
|
|
|
|
if (!sparse_keymap_report_event(hp_wmi_input_dev,
|
|
key_code, 1, true))
|
|
pr_info("Unknown key code - 0x%x\n", key_code);
|
|
break;
|
|
case HPWMI_WIRELESS:
|
|
if (rfkill2_count) {
|
|
hp_wmi_rfkill2_refresh();
|
|
break;
|
|
}
|
|
|
|
if (wifi_rfkill)
|
|
rfkill_set_states(wifi_rfkill,
|
|
hp_wmi_get_sw_state(HPWMI_WIFI),
|
|
hp_wmi_get_hw_state(HPWMI_WIFI));
|
|
if (bluetooth_rfkill)
|
|
rfkill_set_states(bluetooth_rfkill,
|
|
hp_wmi_get_sw_state(HPWMI_BLUETOOTH),
|
|
hp_wmi_get_hw_state(HPWMI_BLUETOOTH));
|
|
if (wwan_rfkill)
|
|
rfkill_set_states(wwan_rfkill,
|
|
hp_wmi_get_sw_state(HPWMI_WWAN),
|
|
hp_wmi_get_hw_state(HPWMI_WWAN));
|
|
break;
|
|
case HPWMI_CPU_BATTERY_THROTTLE:
|
|
pr_info("Unimplemented CPU throttle because of 3 Cell battery event detected\n");
|
|
break;
|
|
case HPWMI_LOCK_SWITCH:
|
|
break;
|
|
case HPWMI_LID_SWITCH:
|
|
break;
|
|
case HPWMI_SCREEN_ROTATION:
|
|
break;
|
|
case HPWMI_COOLSENSE_SYSTEM_MOBILE:
|
|
break;
|
|
case HPWMI_COOLSENSE_SYSTEM_HOT:
|
|
break;
|
|
case HPWMI_PROXIMITY_SENSOR:
|
|
break;
|
|
case HPWMI_BACKLIT_KB_BRIGHTNESS:
|
|
break;
|
|
case HPWMI_PEAKSHIFT_PERIOD:
|
|
break;
|
|
case HPWMI_BATTERY_CHARGE_PERIOD:
|
|
break;
|
|
default:
|
|
pr_info("Unknown event_id - %d - 0x%x\n", event_id, event_data);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int __init hp_wmi_input_setup(void)
|
|
{
|
|
acpi_status status;
|
|
int err, val;
|
|
|
|
hp_wmi_input_dev = input_allocate_device();
|
|
if (!hp_wmi_input_dev)
|
|
return -ENOMEM;
|
|
|
|
hp_wmi_input_dev->name = "HP WMI hotkeys";
|
|
hp_wmi_input_dev->phys = "wmi/input0";
|
|
hp_wmi_input_dev->id.bustype = BUS_HOST;
|
|
|
|
__set_bit(EV_SW, hp_wmi_input_dev->evbit);
|
|
|
|
/* Dock */
|
|
val = hp_wmi_get_dock_state();
|
|
if (!(val < 0)) {
|
|
__set_bit(SW_DOCK, hp_wmi_input_dev->swbit);
|
|
input_report_switch(hp_wmi_input_dev, SW_DOCK, val);
|
|
}
|
|
|
|
/* Tablet mode */
|
|
val = hp_wmi_get_tablet_mode();
|
|
if (!(val < 0)) {
|
|
__set_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit);
|
|
input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, val);
|
|
}
|
|
|
|
err = sparse_keymap_setup(hp_wmi_input_dev, hp_wmi_keymap, NULL);
|
|
if (err)
|
|
goto err_free_dev;
|
|
|
|
/* Set initial hardware state */
|
|
input_sync(hp_wmi_input_dev);
|
|
|
|
if (!hp_wmi_bios_2009_later() && hp_wmi_bios_2008_later())
|
|
hp_wmi_enable_hotkeys();
|
|
|
|
status = wmi_install_notify_handler(HPWMI_EVENT_GUID, hp_wmi_notify, NULL);
|
|
if (ACPI_FAILURE(status)) {
|
|
err = -EIO;
|
|
goto err_free_dev;
|
|
}
|
|
|
|
err = input_register_device(hp_wmi_input_dev);
|
|
if (err)
|
|
goto err_uninstall_notifier;
|
|
|
|
return 0;
|
|
|
|
err_uninstall_notifier:
|
|
wmi_remove_notify_handler(HPWMI_EVENT_GUID);
|
|
err_free_dev:
|
|
input_free_device(hp_wmi_input_dev);
|
|
return err;
|
|
}
|
|
|
|
static void hp_wmi_input_destroy(void)
|
|
{
|
|
wmi_remove_notify_handler(HPWMI_EVENT_GUID);
|
|
input_unregister_device(hp_wmi_input_dev);
|
|
}
|
|
|
|
static int __init hp_wmi_rfkill_setup(struct platform_device *device)
|
|
{
|
|
int err, wireless;
|
|
|
|
wireless = hp_wmi_read_int(HPWMI_WIRELESS_QUERY);
|
|
if (wireless < 0)
|
|
return wireless;
|
|
|
|
err = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, HPWMI_WRITE, &wireless,
|
|
sizeof(wireless), 0);
|
|
if (err)
|
|
return err;
|
|
|
|
if (wireless & 0x1) {
|
|
wifi_rfkill = rfkill_alloc("hp-wifi", &device->dev,
|
|
RFKILL_TYPE_WLAN,
|
|
&hp_wmi_rfkill_ops,
|
|
(void *) HPWMI_WIFI);
|
|
if (!wifi_rfkill)
|
|
return -ENOMEM;
|
|
rfkill_init_sw_state(wifi_rfkill,
|
|
hp_wmi_get_sw_state(HPWMI_WIFI));
|
|
rfkill_set_hw_state(wifi_rfkill,
|
|
hp_wmi_get_hw_state(HPWMI_WIFI));
|
|
err = rfkill_register(wifi_rfkill);
|
|
if (err)
|
|
goto register_wifi_error;
|
|
}
|
|
|
|
if (wireless & 0x2) {
|
|
bluetooth_rfkill = rfkill_alloc("hp-bluetooth", &device->dev,
|
|
RFKILL_TYPE_BLUETOOTH,
|
|
&hp_wmi_rfkill_ops,
|
|
(void *) HPWMI_BLUETOOTH);
|
|
if (!bluetooth_rfkill) {
|
|
err = -ENOMEM;
|
|
goto register_bluetooth_error;
|
|
}
|
|
rfkill_init_sw_state(bluetooth_rfkill,
|
|
hp_wmi_get_sw_state(HPWMI_BLUETOOTH));
|
|
rfkill_set_hw_state(bluetooth_rfkill,
|
|
hp_wmi_get_hw_state(HPWMI_BLUETOOTH));
|
|
err = rfkill_register(bluetooth_rfkill);
|
|
if (err)
|
|
goto register_bluetooth_error;
|
|
}
|
|
|
|
if (wireless & 0x4) {
|
|
wwan_rfkill = rfkill_alloc("hp-wwan", &device->dev,
|
|
RFKILL_TYPE_WWAN,
|
|
&hp_wmi_rfkill_ops,
|
|
(void *) HPWMI_WWAN);
|
|
if (!wwan_rfkill) {
|
|
err = -ENOMEM;
|
|
goto register_wwan_error;
|
|
}
|
|
rfkill_init_sw_state(wwan_rfkill,
|
|
hp_wmi_get_sw_state(HPWMI_WWAN));
|
|
rfkill_set_hw_state(wwan_rfkill,
|
|
hp_wmi_get_hw_state(HPWMI_WWAN));
|
|
err = rfkill_register(wwan_rfkill);
|
|
if (err)
|
|
goto register_wwan_error;
|
|
}
|
|
|
|
return 0;
|
|
|
|
register_wwan_error:
|
|
rfkill_destroy(wwan_rfkill);
|
|
wwan_rfkill = NULL;
|
|
if (bluetooth_rfkill)
|
|
rfkill_unregister(bluetooth_rfkill);
|
|
register_bluetooth_error:
|
|
rfkill_destroy(bluetooth_rfkill);
|
|
bluetooth_rfkill = NULL;
|
|
if (wifi_rfkill)
|
|
rfkill_unregister(wifi_rfkill);
|
|
register_wifi_error:
|
|
rfkill_destroy(wifi_rfkill);
|
|
wifi_rfkill = NULL;
|
|
return err;
|
|
}
|
|
|
|
static int __init hp_wmi_rfkill2_setup(struct platform_device *device)
|
|
{
|
|
struct bios_rfkill2_state state;
|
|
int err, i;
|
|
|
|
err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, HPWMI_READ, &state,
|
|
zero_if_sup(state), sizeof(state));
|
|
if (err)
|
|
return err < 0 ? err : -EINVAL;
|
|
|
|
if (state.count > HPWMI_MAX_RFKILL2_DEVICES) {
|
|
pr_warn("unable to parse 0x1b query output\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
for (i = 0; i < state.count; i++) {
|
|
struct rfkill *rfkill;
|
|
enum rfkill_type type;
|
|
char *name;
|
|
switch (state.device[i].radio_type) {
|
|
case HPWMI_WIFI:
|
|
type = RFKILL_TYPE_WLAN;
|
|
name = "hp-wifi";
|
|
break;
|
|
case HPWMI_BLUETOOTH:
|
|
type = RFKILL_TYPE_BLUETOOTH;
|
|
name = "hp-bluetooth";
|
|
break;
|
|
case HPWMI_WWAN:
|
|
type = RFKILL_TYPE_WWAN;
|
|
name = "hp-wwan";
|
|
break;
|
|
case HPWMI_GPS:
|
|
type = RFKILL_TYPE_GPS;
|
|
name = "hp-gps";
|
|
break;
|
|
default:
|
|
pr_warn("unknown device type 0x%x\n",
|
|
state.device[i].radio_type);
|
|
continue;
|
|
}
|
|
|
|
if (!state.device[i].vendor_id) {
|
|
pr_warn("zero device %d while %d reported\n",
|
|
i, state.count);
|
|
continue;
|
|
}
|
|
|
|
rfkill = rfkill_alloc(name, &device->dev, type,
|
|
&hp_wmi_rfkill2_ops, (void *)(long)i);
|
|
if (!rfkill) {
|
|
err = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
rfkill2[rfkill2_count].id = state.device[i].rfkill_id;
|
|
rfkill2[rfkill2_count].num = i;
|
|
rfkill2[rfkill2_count].rfkill = rfkill;
|
|
|
|
rfkill_init_sw_state(rfkill,
|
|
IS_SWBLOCKED(state.device[i].power));
|
|
rfkill_set_hw_state(rfkill,
|
|
IS_HWBLOCKED(state.device[i].power));
|
|
|
|
if (!(state.device[i].power & HPWMI_POWER_BIOS))
|
|
pr_info("device %s blocked by BIOS\n", name);
|
|
|
|
err = rfkill_register(rfkill);
|
|
if (err) {
|
|
rfkill_destroy(rfkill);
|
|
goto fail;
|
|
}
|
|
|
|
rfkill2_count++;
|
|
}
|
|
|
|
return 0;
|
|
fail:
|
|
for (; rfkill2_count > 0; rfkill2_count--) {
|
|
rfkill_unregister(rfkill2[rfkill2_count - 1].rfkill);
|
|
rfkill_destroy(rfkill2[rfkill2_count - 1].rfkill);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
static int platform_profile_omen_get(struct platform_profile_handler *pprof,
|
|
enum platform_profile_option *profile)
|
|
{
|
|
int tp;
|
|
|
|
tp = omen_thermal_profile_get();
|
|
if (tp < 0)
|
|
return tp;
|
|
|
|
switch (tp) {
|
|
case HP_OMEN_V0_THERMAL_PROFILE_PERFORMANCE:
|
|
case HP_OMEN_V1_THERMAL_PROFILE_PERFORMANCE:
|
|
*profile = PLATFORM_PROFILE_PERFORMANCE;
|
|
break;
|
|
case HP_OMEN_V0_THERMAL_PROFILE_DEFAULT:
|
|
case HP_OMEN_V1_THERMAL_PROFILE_DEFAULT:
|
|
*profile = PLATFORM_PROFILE_BALANCED;
|
|
break;
|
|
case HP_OMEN_V0_THERMAL_PROFILE_COOL:
|
|
case HP_OMEN_V1_THERMAL_PROFILE_COOL:
|
|
*profile = PLATFORM_PROFILE_COOL;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int platform_profile_omen_set(struct platform_profile_handler *pprof,
|
|
enum platform_profile_option profile)
|
|
{
|
|
int err, tp, tp_version;
|
|
|
|
tp_version = omen_get_thermal_policy_version();
|
|
|
|
if (tp_version < 0 || tp_version > 1)
|
|
return -EOPNOTSUPP;
|
|
|
|
switch (profile) {
|
|
case PLATFORM_PROFILE_PERFORMANCE:
|
|
if (tp_version == 0)
|
|
tp = HP_OMEN_V0_THERMAL_PROFILE_PERFORMANCE;
|
|
else
|
|
tp = HP_OMEN_V1_THERMAL_PROFILE_PERFORMANCE;
|
|
break;
|
|
case PLATFORM_PROFILE_BALANCED:
|
|
if (tp_version == 0)
|
|
tp = HP_OMEN_V0_THERMAL_PROFILE_DEFAULT;
|
|
else
|
|
tp = HP_OMEN_V1_THERMAL_PROFILE_DEFAULT;
|
|
break;
|
|
case PLATFORM_PROFILE_COOL:
|
|
if (tp_version == 0)
|
|
tp = HP_OMEN_V0_THERMAL_PROFILE_COOL;
|
|
else
|
|
tp = HP_OMEN_V1_THERMAL_PROFILE_COOL;
|
|
break;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
err = omen_thermal_profile_set(tp);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int thermal_profile_get(void)
|
|
{
|
|
return hp_wmi_read_int(HPWMI_THERMAL_PROFILE_QUERY);
|
|
}
|
|
|
|
static int thermal_profile_set(int thermal_profile)
|
|
{
|
|
return hp_wmi_perform_query(HPWMI_THERMAL_PROFILE_QUERY, HPWMI_WRITE, &thermal_profile,
|
|
sizeof(thermal_profile), 0);
|
|
}
|
|
|
|
static int hp_wmi_platform_profile_get(struct platform_profile_handler *pprof,
|
|
enum platform_profile_option *profile)
|
|
{
|
|
int tp;
|
|
|
|
tp = thermal_profile_get();
|
|
if (tp < 0)
|
|
return tp;
|
|
|
|
switch (tp) {
|
|
case HP_THERMAL_PROFILE_PERFORMANCE:
|
|
*profile = PLATFORM_PROFILE_PERFORMANCE;
|
|
break;
|
|
case HP_THERMAL_PROFILE_DEFAULT:
|
|
*profile = PLATFORM_PROFILE_BALANCED;
|
|
break;
|
|
case HP_THERMAL_PROFILE_COOL:
|
|
*profile = PLATFORM_PROFILE_COOL;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int hp_wmi_platform_profile_set(struct platform_profile_handler *pprof,
|
|
enum platform_profile_option profile)
|
|
{
|
|
int err, tp;
|
|
|
|
switch (profile) {
|
|
case PLATFORM_PROFILE_PERFORMANCE:
|
|
tp = HP_THERMAL_PROFILE_PERFORMANCE;
|
|
break;
|
|
case PLATFORM_PROFILE_BALANCED:
|
|
tp = HP_THERMAL_PROFILE_DEFAULT;
|
|
break;
|
|
case PLATFORM_PROFILE_COOL:
|
|
tp = HP_THERMAL_PROFILE_COOL;
|
|
break;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
err = thermal_profile_set(tp);
|
|
if (err)
|
|
return err;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int thermal_profile_setup(void)
|
|
{
|
|
int err, tp;
|
|
|
|
if (is_omen_thermal_profile()) {
|
|
tp = omen_thermal_profile_get();
|
|
if (tp < 0)
|
|
return tp;
|
|
|
|
/*
|
|
* call thermal profile write command to ensure that the
|
|
* firmware correctly sets the OEM variables
|
|
*/
|
|
|
|
err = omen_thermal_profile_set(tp);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
platform_profile_handler.profile_get = platform_profile_omen_get;
|
|
platform_profile_handler.profile_set = platform_profile_omen_set;
|
|
} else {
|
|
tp = thermal_profile_get();
|
|
|
|
if (tp < 0)
|
|
return tp;
|
|
|
|
/*
|
|
* call thermal profile write command to ensure that the
|
|
* firmware correctly sets the OEM variables for the DPTF
|
|
*/
|
|
err = thermal_profile_set(tp);
|
|
if (err)
|
|
return err;
|
|
|
|
platform_profile_handler.profile_get = hp_wmi_platform_profile_get;
|
|
platform_profile_handler.profile_set = hp_wmi_platform_profile_set;
|
|
}
|
|
|
|
set_bit(PLATFORM_PROFILE_COOL, platform_profile_handler.choices);
|
|
set_bit(PLATFORM_PROFILE_BALANCED, platform_profile_handler.choices);
|
|
set_bit(PLATFORM_PROFILE_PERFORMANCE, platform_profile_handler.choices);
|
|
|
|
err = platform_profile_register(&platform_profile_handler);
|
|
if (err)
|
|
return err;
|
|
|
|
platform_profile_support = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int hp_wmi_hwmon_init(void);
|
|
|
|
static int __init hp_wmi_bios_setup(struct platform_device *device)
|
|
{
|
|
int err;
|
|
/* clear detected rfkill devices */
|
|
wifi_rfkill = NULL;
|
|
bluetooth_rfkill = NULL;
|
|
wwan_rfkill = NULL;
|
|
rfkill2_count = 0;
|
|
|
|
if (hp_wmi_rfkill_setup(device))
|
|
hp_wmi_rfkill2_setup(device);
|
|
|
|
err = hp_wmi_hwmon_init();
|
|
|
|
if (err < 0)
|
|
return err;
|
|
|
|
thermal_profile_setup();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __exit hp_wmi_bios_remove(struct platform_device *device)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < rfkill2_count; i++) {
|
|
rfkill_unregister(rfkill2[i].rfkill);
|
|
rfkill_destroy(rfkill2[i].rfkill);
|
|
}
|
|
|
|
if (wifi_rfkill) {
|
|
rfkill_unregister(wifi_rfkill);
|
|
rfkill_destroy(wifi_rfkill);
|
|
}
|
|
if (bluetooth_rfkill) {
|
|
rfkill_unregister(bluetooth_rfkill);
|
|
rfkill_destroy(bluetooth_rfkill);
|
|
}
|
|
if (wwan_rfkill) {
|
|
rfkill_unregister(wwan_rfkill);
|
|
rfkill_destroy(wwan_rfkill);
|
|
}
|
|
|
|
if (platform_profile_support)
|
|
platform_profile_remove();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int hp_wmi_resume_handler(struct device *device)
|
|
{
|
|
/*
|
|
* Hardware state may have changed while suspended, so trigger
|
|
* input events for the current state. As this is a switch,
|
|
* the input layer will only actually pass it on if the state
|
|
* changed.
|
|
*/
|
|
if (hp_wmi_input_dev) {
|
|
if (test_bit(SW_DOCK, hp_wmi_input_dev->swbit))
|
|
input_report_switch(hp_wmi_input_dev, SW_DOCK,
|
|
hp_wmi_get_dock_state());
|
|
if (test_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit))
|
|
input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
|
|
hp_wmi_get_tablet_mode());
|
|
input_sync(hp_wmi_input_dev);
|
|
}
|
|
|
|
if (rfkill2_count)
|
|
hp_wmi_rfkill2_refresh();
|
|
|
|
if (wifi_rfkill)
|
|
rfkill_set_states(wifi_rfkill,
|
|
hp_wmi_get_sw_state(HPWMI_WIFI),
|
|
hp_wmi_get_hw_state(HPWMI_WIFI));
|
|
if (bluetooth_rfkill)
|
|
rfkill_set_states(bluetooth_rfkill,
|
|
hp_wmi_get_sw_state(HPWMI_BLUETOOTH),
|
|
hp_wmi_get_hw_state(HPWMI_BLUETOOTH));
|
|
if (wwan_rfkill)
|
|
rfkill_set_states(wwan_rfkill,
|
|
hp_wmi_get_sw_state(HPWMI_WWAN),
|
|
hp_wmi_get_hw_state(HPWMI_WWAN));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct dev_pm_ops hp_wmi_pm_ops = {
|
|
.resume = hp_wmi_resume_handler,
|
|
.restore = hp_wmi_resume_handler,
|
|
};
|
|
|
|
static struct platform_driver hp_wmi_driver = {
|
|
.driver = {
|
|
.name = "hp-wmi",
|
|
.pm = &hp_wmi_pm_ops,
|
|
.dev_groups = hp_wmi_groups,
|
|
},
|
|
.remove = __exit_p(hp_wmi_bios_remove),
|
|
};
|
|
|
|
static umode_t hp_wmi_hwmon_is_visible(const void *data,
|
|
enum hwmon_sensor_types type,
|
|
u32 attr, int channel)
|
|
{
|
|
switch (type) {
|
|
case hwmon_pwm:
|
|
return 0644;
|
|
case hwmon_fan:
|
|
if (hp_wmi_get_fan_speed(channel) >= 0)
|
|
return 0444;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int hp_wmi_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
|
|
u32 attr, int channel, long *val)
|
|
{
|
|
int ret;
|
|
|
|
switch (type) {
|
|
case hwmon_fan:
|
|
ret = hp_wmi_get_fan_speed(channel);
|
|
|
|
if (ret < 0)
|
|
return ret;
|
|
*val = ret;
|
|
return 0;
|
|
case hwmon_pwm:
|
|
switch (hp_wmi_fan_speed_max_get()) {
|
|
case 0:
|
|
/* 0 is automatic fan, which is 2 for hwmon */
|
|
*val = 2;
|
|
return 0;
|
|
case 1:
|
|
/* 1 is max fan, which is 0
|
|
* (no fan speed control) for hwmon
|
|
*/
|
|
*val = 0;
|
|
return 0;
|
|
default:
|
|
/* shouldn't happen */
|
|
return -ENODATA;
|
|
}
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
static int hp_wmi_hwmon_write(struct device *dev, enum hwmon_sensor_types type,
|
|
u32 attr, int channel, long val)
|
|
{
|
|
switch (type) {
|
|
case hwmon_pwm:
|
|
switch (val) {
|
|
case 0:
|
|
/* 0 is no fan speed control (max), which is 1 for us */
|
|
return hp_wmi_fan_speed_max_set(1);
|
|
case 2:
|
|
/* 2 is automatic speed control, which is 0 for us */
|
|
return hp_wmi_fan_speed_max_set(0);
|
|
default:
|
|
/* we don't support manual fan speed control */
|
|
return -EINVAL;
|
|
}
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static const struct hwmon_channel_info *info[] = {
|
|
HWMON_CHANNEL_INFO(fan, HWMON_F_INPUT, HWMON_F_INPUT),
|
|
HWMON_CHANNEL_INFO(pwm, HWMON_PWM_ENABLE),
|
|
NULL
|
|
};
|
|
|
|
static const struct hwmon_ops ops = {
|
|
.is_visible = hp_wmi_hwmon_is_visible,
|
|
.read = hp_wmi_hwmon_read,
|
|
.write = hp_wmi_hwmon_write,
|
|
};
|
|
|
|
static const struct hwmon_chip_info chip_info = {
|
|
.ops = &ops,
|
|
.info = info,
|
|
};
|
|
|
|
static int hp_wmi_hwmon_init(void)
|
|
{
|
|
struct device *dev = &hp_wmi_platform_dev->dev;
|
|
struct device *hwmon;
|
|
|
|
hwmon = devm_hwmon_device_register_with_info(dev, "hp", &hp_wmi_driver,
|
|
&chip_info, NULL);
|
|
|
|
if (IS_ERR(hwmon)) {
|
|
dev_err(dev, "Could not register hp hwmon device\n");
|
|
return PTR_ERR(hwmon);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __init hp_wmi_init(void)
|
|
{
|
|
int event_capable = wmi_has_guid(HPWMI_EVENT_GUID);
|
|
int bios_capable = wmi_has_guid(HPWMI_BIOS_GUID);
|
|
int err, tmp = 0;
|
|
|
|
if (!bios_capable && !event_capable)
|
|
return -ENODEV;
|
|
|
|
if (hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, HPWMI_READ, &tmp,
|
|
sizeof(tmp), sizeof(tmp)) == HPWMI_RET_INVALID_PARAMETERS)
|
|
zero_insize_support = true;
|
|
|
|
if (event_capable) {
|
|
err = hp_wmi_input_setup();
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
if (bios_capable) {
|
|
hp_wmi_platform_dev =
|
|
platform_device_register_simple("hp-wmi", -1, NULL, 0);
|
|
if (IS_ERR(hp_wmi_platform_dev)) {
|
|
err = PTR_ERR(hp_wmi_platform_dev);
|
|
goto err_destroy_input;
|
|
}
|
|
|
|
err = platform_driver_probe(&hp_wmi_driver, hp_wmi_bios_setup);
|
|
if (err)
|
|
goto err_unregister_device;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_unregister_device:
|
|
platform_device_unregister(hp_wmi_platform_dev);
|
|
err_destroy_input:
|
|
if (event_capable)
|
|
hp_wmi_input_destroy();
|
|
|
|
return err;
|
|
}
|
|
module_init(hp_wmi_init);
|
|
|
|
static void __exit hp_wmi_exit(void)
|
|
{
|
|
if (wmi_has_guid(HPWMI_EVENT_GUID))
|
|
hp_wmi_input_destroy();
|
|
|
|
if (hp_wmi_platform_dev) {
|
|
platform_device_unregister(hp_wmi_platform_dev);
|
|
platform_driver_unregister(&hp_wmi_driver);
|
|
}
|
|
}
|
|
module_exit(hp_wmi_exit);
|