// SPDX-License-Identifier: GPL-2.0-or-later
/*
* HP WMI hotkeys
*
* Copyright ( C ) 2008 Red Hat < mjg @ redhat . com >
* Copyright ( C ) 2010 , 2011 Anssi Hannula < anssi . hannula @ iki . fi >
*
* Portions based on wistron_btns . c :
* Copyright ( C ) 2005 Miloslav Trmac < mitr @ volny . cz >
* Copyright ( C ) 2005 Bernhard Rosenkraenzer < bero @ arklinux . org >
* Copyright ( C ) 2005 Dmitry Torokhov < dtor @ mail . ru >
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/input.h>
#include <linux/input/sparse-keymap.h>
#include <linux/platform_device.h>
#include <linux/platform_profile.h>
#include <linux/hwmon.h>
#include <linux/acpi.h>
#include <linux/mutex.h>
#include <linux/cleanup.h>
#include <linux/power_supply.h>
#include <linux/rfkill.h>
#include <linux/string.h>
#include <linux/dmi.h>
MODULE_AUTHOR("Matthew Garrett <mjg59@srcf.ucam.org>" );
MODULE_DESCRIPTION("HP laptop WMI driver" );
MODULE_LICENSE("GPL" );
MODULE_ALIAS("wmi:95F24279-4D7B-4334-9387-ACCDC67EF61C" );
MODULE_ALIAS("wmi:5FB7F034-2C63-45E9-BE91-3D44E2C707E4" );
#define HPWMI_EVENT_GUID "95F24279-4D7B-4334-9387-ACCDC67EF61C"
#define HPWMI_BIOS_GUID "5FB7F034-2C63-45E9-BE91-3D44E2C707E4"
#define HP_OMEN_EC_THERMAL_PROFILE_FLAGS_OFFSET 0 x62
#define HP_OMEN_EC_THERMAL_PROFILE_TIMER_OFFSET 0 x63
#define HP_OMEN_EC_THERMAL_PROFILE_OFFSET 0 x95
#define HP_FAN_SPEED_AUTOMATIC 0 x00
#define HP_POWER_LIMIT_DEFAULT 0 x00
#define HP_POWER_LIMIT_NO_CHANGE 0 xFF
#define ACPI_AC_CLASS "ac_adapter"
#define zero_if_sup(tmp) (zero_insize_support?0 :sizeof (tmp)) // use when zero insize is required
/* DMI board names of devices that should use the omen specific path for
* thermal profiles .
* This was obtained by taking a look in the windows omen command center
* app and parsing a json file that they use to figure out what capabilities
* the device should have .
* A device is considered an omen if the DisplayName in that list contains
* " OMEN " , and it can use the thermal profile stuff if the " Feature " array
* contains " PerformanceControl " .
*/
static const char * const omen_thermal_profile_boards[] = {
"84DA" , "84DB" , "84DC" , "8574" , "8575" , "860A" , "87B5" , "8572" , "8573" ,
"8600" , "8601" , "8602" , "8605" , "8606" , "8607" , "8746" , "8747" , "8749" ,
"874A" , "8603" , "8604" , "8748" , "886B" , "886C" , "878A" , "878B" , "878C" ,
"88C8" , "88CB" , "8786" , "8787" , "8788" , "88D1" , "88D2" , "88F4" , "88FD" ,
"88F5" , "88F6" , "88F7" , "88FE" , "88FF" , "8900" , "8901" , "8902" , "8912" ,
"8917" , "8918" , "8949" , "894A" , "89EB" , "8BAD" , "8A42" , "8A15"
};
/* DMI Board names of Omen laptops that are specifically set to be thermal
* profile version 0 by the Omen Command Center app , regardless of what
* the get system design information WMI call returns
*/
static const char * const omen_thermal_profile_force_v0_boards[] = {
"8607" , "8746" , "8747" , "8749" , "874A" , "8748"
};
/* DMI board names of Omen laptops that have a thermal profile timer which will
* cause the embedded controller to set the thermal profile back to
* " balanced " when reaching zero .
*/
static const char * const omen_timed_thermal_profile_boards[] = {
"8BAD" , "8A42" , "8A15"
};
/* DMI Board names of Victus 16-d1xxx laptops */
static const char * const victus_thermal_profile_boards[] = {
"8A25"
};
/* DMI Board names of Victus 16-r1000 and Victus 16-s1000 laptops */
static const char * const victus_s_thermal_profile_boards[] = {
"8C99" , "8C9C"
};
enum hp_wmi_radio {
HPWMI_WIFI = 0 x0,
HPWMI_BLUETOOTH = 0 x1,
HPWMI_WWAN = 0 x2,
HPWMI_GPS = 0 x3,
};
enum hp_wmi_event_ids {
HPWMI_DOCK_EVENT = 0 x01,
HPWMI_PARK_HDD = 0 x02,
HPWMI_SMART_ADAPTER = 0 x03,
HPWMI_BEZEL_BUTTON = 0 x04,
HPWMI_WIRELESS = 0 x05,
HPWMI_CPU_BATTERY_THROTTLE = 0 x06,
HPWMI_LOCK_SWITCH = 0 x07,
HPWMI_LID_SWITCH = 0 x08,
HPWMI_SCREEN_ROTATION = 0 x09,
HPWMI_COOLSENSE_SYSTEM_MOBILE = 0 x0A,
HPWMI_COOLSENSE_SYSTEM_HOT = 0 x0B,
HPWMI_PROXIMITY_SENSOR = 0 x0C,
HPWMI_BACKLIT_KB_BRIGHTNESS = 0 x0D,
HPWMI_PEAKSHIFT_PERIOD = 0 x0F,
HPWMI_BATTERY_CHARGE_PERIOD = 0 x10,
HPWMI_SANITIZATION_MODE = 0 x17,
HPWMI_CAMERA_TOGGLE = 0 x1A,
HPWMI_FN_P_HOTKEY = 0 x1B,
HPWMI_OMEN_KEY = 0 x1D,
HPWMI_SMART_EXPERIENCE_APP = 0 x21,
};
/*
* struct bios_args buffer is dynamically allocated . New WMI command types
* were introduced that exceeds 128 - byte data size . Changes to handle
* the data size allocation scheme were kept in hp_wmi_perform_qurey function .
*/
struct bios_args {
u32 signature;
u32 command;
u32 commandtype;
u32 datasize;
u8 data[];
};
enum hp_wmi_commandtype {
HPWMI_DISPLAY_QUERY = 0 x01,
HPWMI_HDDTEMP_QUERY = 0 x02,
HPWMI_ALS_QUERY = 0 x03,
HPWMI_HARDWARE_QUERY = 0 x04,
HPWMI_WIRELESS_QUERY = 0 x05,
HPWMI_BATTERY_QUERY = 0 x07,
HPWMI_BIOS_QUERY = 0 x09,
HPWMI_FEATURE_QUERY = 0 x0b,
HPWMI_HOTKEY_QUERY = 0 x0c,
HPWMI_FEATURE2_QUERY = 0 x0d,
HPWMI_WIRELESS2_QUERY = 0 x1b,
HPWMI_POSTCODEERROR_QUERY = 0 x2a,
HPWMI_SYSTEM_DEVICE_MODE = 0 x40,
HPWMI_THERMAL_PROFILE_QUERY = 0 x4c,
};
struct victus_power_limits {
u8 pl1;
u8 pl2;
u8 pl4;
u8 cpu_gpu_concurrent_limit;
};
struct victus_gpu_power_modes {
u8 ctgp_enable;
u8 ppab_enable;
u8 dstate;
u8 gpu_slowdown_temp;
};
enum hp_wmi_gm_commandtype {
HPWMI_FAN_SPEED_GET_QUERY = 0 x11,
HPWMI_SET_PERFORMANCE_MODE = 0 x1A,
HPWMI_FAN_SPEED_MAX_GET_QUERY = 0 x26,
HPWMI_FAN_SPEED_MAX_SET_QUERY = 0 x27,
HPWMI_GET_SYSTEM_DESIGN_DATA = 0 x28,
HPWMI_FAN_COUNT_GET_QUERY = 0 x10,
HPWMI_GET_GPU_THERMAL_MODES_QUERY = 0 x21,
HPWMI_SET_GPU_THERMAL_MODES_QUERY = 0 x22,
HPWMI_SET_POWER_LIMITS_QUERY = 0 x29,
HPWMI_VICTUS_S_FAN_SPEED_GET_QUERY = 0 x2D,
HPWMI_FAN_SPEED_SET_QUERY = 0 x2E,
};
enum hp_wmi_command {
HPWMI_READ = 0 x01,
HPWMI_WRITE = 0 x02,
HPWMI_ODM = 0 x03,
HPWMI_GM = 0 x20008,
};
enum hp_wmi_hardware_mask {
HPWMI_DOCK_MASK = 0 x01,
HPWMI_TABLET_MASK = 0 x04,
};
struct bios_return {
u32 sigpass;
u32 return_code;
};
enum hp_return_value {
HPWMI_RET_WRONG_SIGNATURE = 0 x02,
HPWMI_RET_UNKNOWN_COMMAND = 0 x03,
HPWMI_RET_UNKNOWN_CMDTYPE = 0 x04,
HPWMI_RET_INVALID_PARAMETERS = 0 x05,
};
enum hp_wireless2_bits {
HPWMI_POWER_STATE = 0 x01,
HPWMI_POWER_SOFT = 0 x02,
HPWMI_POWER_BIOS = 0 x04,
HPWMI_POWER_HARD = 0 x08,
HPWMI_POWER_FW_OR_HW = HPWMI_POWER_BIOS | HPWMI_POWER_HARD,
};
enum hp_thermal_profile_omen_v0 {
HP_OMEN_V0_THERMAL_PROFILE_DEFAULT = 0 x00,
HP_OMEN_V0_THERMAL_PROFILE_PERFORMANCE = 0 x01,
HP_OMEN_V0_THERMAL_PROFILE_COOL = 0 x02,
};
enum hp_thermal_profile_omen_v1 {
HP_OMEN_V1_THERMAL_PROFILE_DEFAULT = 0 x30,
HP_OMEN_V1_THERMAL_PROFILE_PERFORMANCE = 0 x31,
HP_OMEN_V1_THERMAL_PROFILE_COOL = 0 x50,
};
enum hp_thermal_profile_omen_flags {
HP_OMEN_EC_FLAGS_TURBO = 0 x04,
HP_OMEN_EC_FLAGS_NOTIMER = 0 x02,
HP_OMEN_EC_FLAGS_JUSTSET = 0 x01,
};
enum hp_thermal_profile_victus {
HP_VICTUS_THERMAL_PROFILE_DEFAULT = 0 x00,
HP_VICTUS_THERMAL_PROFILE_PERFORMANCE = 0 x01,
HP_VICTUS_THERMAL_PROFILE_QUIET = 0 x03,
};
enum hp_thermal_profile_victus_s {
HP_VICTUS_S_THERMAL_PROFILE_DEFAULT = 0 x00,
HP_VICTUS_S_THERMAL_PROFILE_PERFORMANCE = 0 x01,
};
enum hp_thermal_profile {
HP_THERMAL_PROFILE_PERFORMANCE = 0 x00,
HP_THERMAL_PROFILE_DEFAULT = 0 x01,
HP_THERMAL_PROFILE_COOL = 0 x02,
HP_THERMAL_PROFILE_QUIET = 0 x03,
};
#define IS_HWBLOCKED(x) ((x & HPWMI_POWER_FW_OR_HW) != HPWMI_POWER_FW_OR_HW)
#define IS_SWBLOCKED(x) !(x & HPWMI_POWER_SOFT)
struct bios_rfkill2_device_state {
u8 radio_type;
u8 bus_type;
u16 vendor_id;
u16 product_id;
u16 subsys_vendor_id;
u16 subsys_product_id;
u8 rfkill_id;
u8 power;
u8 unknown[4 ];
};
/* 7 devices fit into the 128 byte buffer */
#define HPWMI_MAX_RFKILL2_DEVICES 7
struct bios_rfkill2_state {
u8 unknown[7 ];
u8 count;
u8 pad[8 ];
struct bios_rfkill2_device_state device[HPWMI_MAX_RFKILL2_DEVICES];
};
static const struct key_entry hp_wmi_keymap[] = {
{ KE_KEY, 0 x02, { KEY_BRIGHTNESSUP } },
{ KE_KEY, 0 x03, { KEY_BRIGHTNESSDOWN } },
{ KE_KEY, 0 x270, { KEY_MICMUTE } },
{ KE_KEY, 0 x20e6, { KEY_PROG1 } },
{ KE_KEY, 0 x20e8, { KEY_MEDIA } },
{ KE_KEY, 0 x2142, { KEY_MEDIA } },
{ KE_KEY, 0 x213b, { KEY_INFO } },
{ KE_KEY, 0 x2169, { KEY_ROTATE_DISPLAY } },
{ KE_KEY, 0 x216a, { KEY_SETUP } },
{ KE_IGNORE, 0 x21a4, }, /* Win Lock On */
{ KE_IGNORE, 0 x121a4, }, /* Win Lock Off */
{ KE_KEY, 0 x21a5, { KEY_PROG2 } }, /* HP Omen Key */
{ KE_KEY, 0 x21a7, { KEY_FN_ESC } },
{ KE_KEY, 0 x21a8, { KEY_PROG2 } }, /* HP Envy x360 programmable key */
{ KE_KEY, 0 x21a9, { KEY_TOUCHPAD_OFF } },
{ KE_KEY, 0 x121a9, { KEY_TOUCHPAD_ON } },
{ KE_KEY, 0 x231b, { KEY_HELP } },
{ KE_END, 0 }
};
/*
* Mutex for the active_platform_profile variable ,
* see omen_powersource_event .
*/
static DEFINE_MUTEX(active_platform_profile_lock);
static struct input_dev *hp_wmi_input_dev;
static struct input_dev *camera_shutter_input_dev;
static struct platform_device *hp_wmi_platform_dev;
static struct device *platform_profile_device;
static struct notifier_block platform_power_source_nb;
static enum platform_profile_option active_platform_profile;
static bool platform_profile_support;
static bool zero_insize_support;
static struct rfkill *wifi_rfkill;
static struct rfkill *bluetooth_rfkill;
static struct rfkill *wwan_rfkill;
struct rfkill2_device {
u8 id;
int num;
struct rfkill *rfkill;
};
static int rfkill2_count;
static struct rfkill2_device rfkill2[HPWMI_MAX_RFKILL2_DEVICES];
/*
* Chassis Types values were obtained from SMBIOS reference
* specification version 3 . 00 . A complete list of system enclosures
* and chassis types is available on Table 17 .
*/
static const char * const tablet_chassis_types[] = {
"30" , /* Tablet*/
"31" , /* Convertible */
"32" /* Detachable */
};
#define DEVICE_MODE_TABLET 0 x06
/* map output size to the corresponding WMI method id */
static inline int encode_outsize_for_pvsz(int outsize)
{
if (outsize > 4096 )
return -EINVAL;
if (outsize > 1024 )
return 5 ;
if (outsize > 128 )
return 4 ;
if (outsize > 4 )
return 3 ;
if (outsize > 0 )
return 2 ;
return 1 ;
}
/*
* hp_wmi_perform_query
*
* query : The commandtype ( enum hp_wmi_commandtype )
* write : The command ( enum hp_wmi_command )
* buffer : Buffer used as input and / or output
* insize : Size of input buffer
* outsize : Size of output buffer
*
* returns zero on success
* an HP WMI query specific error code ( which is positive )
* - EINVAL if the query was not successful at all
* - EINVAL if the output buffer size exceeds buffersize
*
* Note : The buffersize must at least be the maximum of the input and output
* size . E . g . Battery info query is defined to have 1 byte input
* and 128 byte output . The caller would do :
* buffer = kzalloc ( 128 , GFP_KERNEL ) ;
* ret = hp_wmi_perform_query ( HPWMI_BATTERY_QUERY , HPWMI_READ , buffer , 1 , 128 )
*/
static int hp_wmi_perform_query(int query, enum hp_wmi_command command,
void *buffer, int insize, int outsize)
{
struct acpi_buffer input, output = { ACPI_ALLOCATE_BUFFER, NULL };
struct bios_return *bios_return;
union acpi_object *obj = NULL;
struct bios_args *args = NULL;
int mid, actual_insize, actual_outsize;
size_t bios_args_size;
int ret;
mid = encode_outsize_for_pvsz(outsize);
if (WARN_ON(mid < 0 ))
return mid;
actual_insize = max(insize, 128 );
bios_args_size = struct_size(args, data, actual_insize);
args = kmalloc(bios_args_size, GFP_KERNEL);
if (!args)
return -ENOMEM;
input.length = bios_args_size;
input.pointer = args;
args->signature = 0 x55434553;
args->command = command;
args->commandtype = query;
args->datasize = insize;
memcpy(args->data, buffer, flex_array_size(args, data, insize));
ret = wmi_evaluate_method(HPWMI_BIOS_GUID, 0 , mid, &input, &output);
if (ret)
goto out_free;
obj = output.pointer;
if (!obj) {
ret = -EINVAL;
goto out_free;
}
if (obj->type != ACPI_TYPE_BUFFER) {
pr_warn("query 0x%x returned an invalid object 0x%x\n" , query, ret);
ret = -EINVAL;
goto out_free;
}
bios_return = (struct bios_return *)obj->buffer.pointer;
ret = bios_return->return_code;
if (ret) {
if (ret != HPWMI_RET_UNKNOWN_COMMAND &&
ret != HPWMI_RET_UNKNOWN_CMDTYPE)
pr_warn("query 0x%x returned error 0x%x\n" , query, ret);
goto out_free;
}
/* Ignore output data of zero size */
if (!outsize)
goto out_free;
actual_outsize = min(outsize, (int )(obj->buffer.length - sizeof (*bios_return)));
memcpy(buffer, obj->buffer.pointer + sizeof (*bios_return), actual_outsize);
memset(buffer + actual_outsize, 0 , outsize - actual_outsize);
out_free:
kfree(obj);
kfree(args);
return ret;
}
/*
* Calling this hp_wmi_get_fan_count_userdefine_trigger function also enables
* and / or maintains the laptop in user defined thermal and fan states , instead
* of using a fallback state . After a 120 seconds timeout however , the laptop
* goes back to its fallback state .
*/
static int hp_wmi_get_fan_count_userdefine_trigger(void )
{
u8 fan_data[4 ] = {};
int ret;
ret = hp_wmi_perform_query(HPWMI_FAN_COUNT_GET_QUERY, HPWMI_GM,
&fan_data, sizeof (u8),
sizeof (fan_data));
if (ret != 0 )
return -EINVAL;
return fan_data[0 ]; /* Others bytes aren't providing fan count */
}
static int hp_wmi_get_fan_speed(int fan)
{
u8 fsh, fsl;
char fan_data[4 ] = { fan, 0 , 0 , 0 };
int ret = hp_wmi_perform_query(HPWMI_FAN_SPEED_GET_QUERY, HPWMI_GM,
&fan_data, sizeof (char ),
sizeof (fan_data));
if (ret != 0 )
return -EINVAL;
fsh = fan_data[2 ];
fsl = fan_data[3 ];
return (fsh << 8 ) | fsl;
}
static int hp_wmi_get_fan_speed_victus_s(int fan)
{
u8 fan_data[128 ] = {};
int ret;
if (fan < 0 || fan >= sizeof (fan_data))
return -EINVAL;
ret = hp_wmi_perform_query(HPWMI_VICTUS_S_FAN_SPEED_GET_QUERY,
HPWMI_GM, &fan_data, sizeof (u8),
sizeof (fan_data));
if (ret != 0 )
return -EINVAL;
return fan_data[fan] * 100 ;
}
static int hp_wmi_read_int(int query)
{
int val = 0 , ret;
ret = hp_wmi_perform_query(query, HPWMI_READ, &val,
zero_if_sup(val), sizeof (val));
if (ret)
return ret < 0 ? ret : -EINVAL;
return val;
}
static int hp_wmi_get_dock_state(void )
{
int state = hp_wmi_read_int(HPWMI_HARDWARE_QUERY);
if (state < 0 )
return state;
return !!(state & HPWMI_DOCK_MASK);
}
static int hp_wmi_get_tablet_mode(void )
{
char system_device_mode[4 ] = { 0 };
const char *chassis_type;
bool tablet_found;
int ret;
chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE);
if (!chassis_type)
return -ENODEV;
tablet_found = match_string(tablet_chassis_types,
ARRAY_SIZE(tablet_chassis_types),
chassis_type) >= 0 ;
if (!tablet_found)
return -ENODEV;
ret = hp_wmi_perform_query(HPWMI_SYSTEM_DEVICE_MODE, HPWMI_READ,
system_device_mode, zero_if_sup(system_device_mode),
sizeof (system_device_mode));
if (ret < 0 )
return ret;
return system_device_mode[0 ] == DEVICE_MODE_TABLET;
}
static int omen_thermal_profile_set(int mode)
{
/* The Omen Control Center actively sets the first byte of the buffer to
* 255 , so let ' s mimic this behaviour to be as close as possible to
* the original software .
*/
char buffer[2 ] = {-1 , mode};
int ret;
ret = hp_wmi_perform_query(HPWMI_SET_PERFORMANCE_MODE, HPWMI_GM,
&buffer, sizeof (buffer), 0 );
if (ret)
return ret < 0 ? ret : -EINVAL;
return mode;
}
static bool is_omen_thermal_profile(void )
{
const char *board_name = dmi_get_system_info(DMI_BOARD_NAME);
if (!board_name)
return false ;
return match_string(omen_thermal_profile_boards,
ARRAY_SIZE(omen_thermal_profile_boards),
board_name) >= 0 ;
}
static int omen_get_thermal_policy_version(void )
{
unsigned char buffer[8 ] = { 0 };
int ret;
const char *board_name = dmi_get_system_info(DMI_BOARD_NAME);
if (board_name) {
int matches = match_string(omen_thermal_profile_force_v0_boards,
ARRAY_SIZE(omen_thermal_profile_force_v0_boards),
board_name);
if (matches >= 0 )
return 0 ;
}
ret = hp_wmi_perform_query(HPWMI_GET_SYSTEM_DESIGN_DATA, HPWMI_GM,
&buffer, sizeof (buffer), sizeof (buffer));
if (ret)
return ret < 0 ? ret : -EINVAL;
return buffer[3 ];
}
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_reset(void )
{
u8 fan_speed[2 ] = { HP_FAN_SPEED_AUTOMATIC, HP_FAN_SPEED_AUTOMATIC };
int ret;
ret = hp_wmi_perform_query(HPWMI_FAN_SPEED_SET_QUERY, HPWMI_GM,
&fan_speed, sizeof (fan_speed), 0 );
return ret;
}
static int hp_wmi_fan_speed_max_reset(void )
{
int ret;
ret = hp_wmi_fan_speed_max_set(0 );
if (ret)
return ret;
/* Disabling max fan speed on Victus s1xxx laptops needs a 2nd step: */
ret = hp_wmi_fan_speed_reset();
return ret;
}
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 = 0 x6e;
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 = (long )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 = 0 x200 << (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 = 0 x800 << (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 ] = { 0 x01, 0 x00, 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 sysfs_emit(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 sysfs_emit(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 sysfs_emit(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 sysfs_emit(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 sysfs_emit(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 sysfs_emit(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 int camera_shutter_input_setup(void )
{
int err;
camera_shutter_input_dev = input_allocate_device();
if (!camera_shutter_input_dev)
return -ENOMEM;
camera_shutter_input_dev->name = "HP WMI camera shutter" ;
camera_shutter_input_dev->phys = "wmi/input1" ;
camera_shutter_input_dev->id.bustype = BUS_HOST;
__set_bit(EV_SW, camera_shutter_input_dev->evbit);
__set_bit(SW_CAMERA_LENS_COVER, camera_shutter_input_dev->swbit);
err = input_register_device(camera_shutter_input_dev);
if (err)
goto err_free_dev;
return 0 ;
err_free_dev:
input_free_device(camera_shutter_input_dev);
camera_shutter_input_dev = NULL;
return err;
}
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(union acpi_object *obj, void *context)
{
u32 event_id, event_data;
u32 *location;
int key_code;
if (!obj)
return ;
if (obj->type != ACPI_TYPE_BUFFER) {
pr_info("Unknown response received %d\n" , obj->type);
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);
return ;
}
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_FN_P_HOTKEY:
platform_profile_cycle();
break ;
case HPWMI_OMEN_KEY:
if (event_data) /* Only should be true for HP Omen */
key_code = event_data;
else
key_code = hp_wmi_read_int(HPWMI_HOTKEY_QUERY);
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 ;
case HPWMI_SANITIZATION_MODE:
break ;
case HPWMI_CAMERA_TOGGLE:
if (!camera_shutter_input_dev)
if (camera_shutter_input_setup()) {
pr_err("Failed to setup camera shutter input device\n" );
break ;
}
if (event_data == 0 xff)
input_report_switch(camera_shutter_input_dev, SW_CAMERA_LENS_COVER, 1 );
else if (event_data == 0 xfe)
input_report_switch(camera_shutter_input_dev, SW_CAMERA_LENS_COVER, 0 );
else
pr_warn("Unknown camera shutter state - 0x%x\n" , event_data);
input_sync(camera_shutter_input_dev);
break ;
case HPWMI_SMART_EXPERIENCE_APP:
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 & 0 x1) {
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 & 0 x2) {
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 & 0 x4) {
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_ec(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_get(struct device *dev,
enum platform_profile_option *profile)
{
/*
* We directly return the stored platform profile , as the embedded
* controller will not accept switching to the performance option when
* the conditions are not met ( e . g . the laptop is not plugged in ) .
*
* If we directly return what the EC reports , the platform profile will
* immediately " switch back " to normal mode , which is against the
* expected behaviour from a userspace point of view , as described in
* the Platform Profile Section page of the kernel documentation .
*
* See also omen_powersource_event .
*/
guard(mutex)(&active_platform_profile_lock);
*profile = active_platform_profile;
return 0 ;
}
static bool has_omen_thermal_profile_ec_timer(void )
{
const char *board_name = dmi_get_system_info(DMI_BOARD_NAME);
if (!board_name)
return false ;
return match_string(omen_timed_thermal_profile_boards,
ARRAY_SIZE(omen_timed_thermal_profile_boards),
board_name) >= 0 ;
}
inline int omen_thermal_profile_ec_flags_set(enum hp_thermal_profile_omen_flags flags)
{
return ec_write(HP_OMEN_EC_THERMAL_PROFILE_FLAGS_OFFSET, flags);
}
inline int omen_thermal_profile_ec_timer_set(u8 value)
{
return ec_write(HP_OMEN_EC_THERMAL_PROFILE_TIMER_OFFSET, value);
}
static int platform_profile_omen_set_ec(enum platform_profile_option profile)
{
int err, tp, tp_version;
enum hp_thermal_profile_omen_flags flags = 0 ;
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;
if (has_omen_thermal_profile_ec_timer()) {
err = omen_thermal_profile_ec_timer_set(0 );
if (err < 0 )
return err;
if (profile == PLATFORM_PROFILE_PERFORMANCE)
flags = HP_OMEN_EC_FLAGS_NOTIMER |
HP_OMEN_EC_FLAGS_TURBO;
err = omen_thermal_profile_ec_flags_set(flags);
if (err < 0 )
return err;
}
return 0 ;
}
static int platform_profile_omen_set(struct device *dev,
enum platform_profile_option profile)
{
int err;
guard(mutex)(&active_platform_profile_lock);
err = platform_profile_omen_set_ec(profile);
if (err < 0 )
return err;
active_platform_profile = profile;
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 device *dev,
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 ;
case HP_THERMAL_PROFILE_QUIET:
*profile = PLATFORM_PROFILE_QUIET;
break ;
default :
return -EINVAL;
}
return 0 ;
}
static int hp_wmi_platform_profile_set(struct device *dev,
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 ;
case PLATFORM_PROFILE_QUIET:
tp = HP_THERMAL_PROFILE_QUIET;
break ;
default :
return -EOPNOTSUPP;
}
err = thermal_profile_set(tp);
if (err)
return err;
return 0 ;
}
static bool is_victus_thermal_profile(void )
{
const char *board_name = dmi_get_system_info(DMI_BOARD_NAME);
if (!board_name)
return false ;
return match_string(victus_thermal_profile_boards,
ARRAY_SIZE(victus_thermal_profile_boards),
board_name) >= 0 ;
}
static int platform_profile_victus_get_ec(enum platform_profile_option *profile)
{
int tp;
tp = omen_thermal_profile_get();
if (tp < 0 )
return tp;
switch (tp) {
case HP_VICTUS_THERMAL_PROFILE_PERFORMANCE:
*profile = PLATFORM_PROFILE_PERFORMANCE;
break ;
case HP_VICTUS_THERMAL_PROFILE_DEFAULT:
*profile = PLATFORM_PROFILE_BALANCED;
break ;
case HP_VICTUS_THERMAL_PROFILE_QUIET:
*profile = PLATFORM_PROFILE_QUIET;
break ;
default :
return -EOPNOTSUPP;
}
return 0 ;
}
static int platform_profile_victus_get(struct device *dev,
enum platform_profile_option *profile)
{
/* Same behaviour as platform_profile_omen_get */
return platform_profile_omen_get(dev, profile);
}
static int platform_profile_victus_set_ec(enum platform_profile_option profile)
{
int err, tp;
switch (profile) {
case PLATFORM_PROFILE_PERFORMANCE:
tp = HP_VICTUS_THERMAL_PROFILE_PERFORMANCE;
break ;
case PLATFORM_PROFILE_BALANCED:
tp = HP_VICTUS_THERMAL_PROFILE_DEFAULT;
break ;
case PLATFORM_PROFILE_QUIET:
tp = HP_VICTUS_THERMAL_PROFILE_QUIET;
break ;
default :
return -EOPNOTSUPP;
}
err = omen_thermal_profile_set(tp);
if (err < 0 )
return err;
return 0 ;
}
static bool is_victus_s_thermal_profile(void )
{
const char *board_name;
board_name = dmi_get_system_info(DMI_BOARD_NAME);
if (!board_name)
return false ;
return match_string(victus_s_thermal_profile_boards,
ARRAY_SIZE(victus_s_thermal_profile_boards),
board_name) >= 0 ;
}
static int victus_s_gpu_thermal_profile_get(bool *ctgp_enable,
bool *ppab_enable,
u8 *dstate,
u8 *gpu_slowdown_temp)
{
struct victus_gpu_power_modes gpu_power_modes;
int ret;
ret = hp_wmi_perform_query(HPWMI_GET_GPU_THERMAL_MODES_QUERY, HPWMI_GM,
&gpu_power_modes, sizeof (gpu_power_modes),
sizeof (gpu_power_modes));
if (ret == 0 ) {
*ctgp_enable = gpu_power_modes.ctgp_enable ? true : false ;
*ppab_enable = gpu_power_modes.ppab_enable ? true : false ;
*dstate = gpu_power_modes.dstate;
*gpu_slowdown_temp = gpu_power_modes.gpu_slowdown_temp;
}
return ret;
}
static int victus_s_gpu_thermal_profile_set(bool ctgp_enable,
bool ppab_enable,
u8 dstate)
{
struct victus_gpu_power_modes gpu_power_modes;
int ret;
bool current_ctgp_state, current_ppab_state;
u8 current_dstate, current_gpu_slowdown_temp;
/* Retrieving GPU slowdown temperature, in order to keep it unchanged */
ret = victus_s_gpu_thermal_profile_get(¤t_ctgp_state,
¤t_ppab_state,
¤t_dstate,
¤t_gpu_slowdown_temp);
if (ret < 0 ) {
pr_warn("GPU modes not updated, unable to get slowdown temp\n" );
return ret;
}
gpu_power_modes.ctgp_enable = ctgp_enable ? 0 x01 : 0 x00;
gpu_power_modes.ppab_enable = ppab_enable ? 0 x01 : 0 x00;
gpu_power_modes.dstate = dstate;
gpu_power_modes.gpu_slowdown_temp = current_gpu_slowdown_temp;
ret = hp_wmi_perform_query(HPWMI_SET_GPU_THERMAL_MODES_QUERY, HPWMI_GM,
&gpu_power_modes, sizeof (gpu_power_modes), 0 );
return ret;
}
/* Note: HP_POWER_LIMIT_DEFAULT can be used to restore default PL1 and PL2 */
static int victus_s_set_cpu_pl1_pl2(u8 pl1, u8 pl2)
{
struct victus_power_limits power_limits;
int ret;
/* We need to know both PL1 and PL2 values in order to check them */
if (pl1 == HP_POWER_LIMIT_NO_CHANGE || pl2 == HP_POWER_LIMIT_NO_CHANGE)
return -EINVAL;
/* PL2 is not supposed to be lower than PL1 */
if (pl2 < pl1)
return -EINVAL;
power_limits.pl1 = pl1;
power_limits.pl2 = pl2;
power_limits.pl4 = HP_POWER_LIMIT_NO_CHANGE;
power_limits.cpu_gpu_concurrent_limit = HP_POWER_LIMIT_NO_CHANGE;
ret = hp_wmi_perform_query(HPWMI_SET_POWER_LIMITS_QUERY, HPWMI_GM,
&power_limits, sizeof (power_limits), 0 );
return ret;
}
static int platform_profile_victus_s_set_ec(enum platform_profile_option profile)
{
bool gpu_ctgp_enable, gpu_ppab_enable;
u8 gpu_dstate; /* Test shows 1 = 100%, 2 = 50%, 3 = 25%, 4 = 12.5% */
int err, tp;
switch (profile) {
case PLATFORM_PROFILE_PERFORMANCE:
tp = HP_VICTUS_S_THERMAL_PROFILE_PERFORMANCE;
gpu_ctgp_enable = true ;
gpu_ppab_enable = true ;
gpu_dstate = 1 ;
break ;
case PLATFORM_PROFILE_BALANCED:
tp = HP_VICTUS_S_THERMAL_PROFILE_DEFAULT;
gpu_ctgp_enable = false ;
gpu_ppab_enable = true ;
gpu_dstate = 1 ;
break ;
case PLATFORM_PROFILE_LOW_POWER:
tp = HP_VICTUS_S_THERMAL_PROFILE_DEFAULT;
gpu_ctgp_enable = false ;
gpu_ppab_enable = false ;
gpu_dstate = 1 ;
break ;
default :
return -EOPNOTSUPP;
}
hp_wmi_get_fan_count_userdefine_trigger();
err = omen_thermal_profile_set(tp);
if (err < 0 ) {
pr_err("Failed to set platform profile %d: %d\n" , profile, err);
return err;
}
err = victus_s_gpu_thermal_profile_set(gpu_ctgp_enable,
gpu_ppab_enable,
gpu_dstate);
if (err < 0 ) {
pr_err("Failed to set GPU profile %d: %d\n" , profile, err);
return err;
}
return 0 ;
}
static int platform_profile_victus_s_set(struct device *dev,
enum platform_profile_option profile)
{
int err;
guard(mutex)(&active_platform_profile_lock);
err = platform_profile_victus_s_set_ec(profile);
if (err < 0 )
return err;
active_platform_profile = profile;
return 0 ;
}
static int platform_profile_victus_set(struct device *dev,
enum platform_profile_option profile)
{
int err;
guard(mutex)(&active_platform_profile_lock);
err = platform_profile_victus_set_ec(profile);
if (err < 0 )
return err;
active_platform_profile = profile;
return 0 ;
}
static int hp_wmi_platform_profile_probe(void *drvdata, unsigned long *choices)
{
if (is_omen_thermal_profile()) {
set_bit(PLATFORM_PROFILE_COOL, choices);
} else if (is_victus_thermal_profile()) {
set_bit(PLATFORM_PROFILE_QUIET, choices);
} else if (is_victus_s_thermal_profile()) {
/* Adding an equivalent to HP Omen software ECO mode: */
set_bit(PLATFORM_PROFILE_LOW_POWER, choices);
} else {
set_bit(PLATFORM_PROFILE_QUIET, choices);
set_bit(PLATFORM_PROFILE_COOL, choices);
}
set_bit(PLATFORM_PROFILE_BALANCED, choices);
set_bit(PLATFORM_PROFILE_PERFORMANCE, choices);
return 0 ;
}
static int omen_powersource_event(struct notifier_block *nb,
unsigned long value,
void *data)
{
struct acpi_bus_event *event_entry = data;
enum platform_profile_option actual_profile;
int err;
if (strcmp(event_entry->device_class, ACPI_AC_CLASS) != 0 )
return NOTIFY_DONE;
pr_debug("Received power source device event\n" );
guard(mutex)(&active_platform_profile_lock);
/*
* This handler can only be called on Omen and Victus models , so
* there ' s no need to call is_victus_thermal_profile ( ) here .
*/
if (is_omen_thermal_profile())
err = platform_profile_omen_get_ec(&actual_profile);
else
err = platform_profile_victus_get_ec(&actual_profile);
if (err < 0 ) {
/*
* Although we failed to get the current platform profile , we
* still want the other event consumers to process it .
*/
pr_warn("Failed to read current platform profile (%d)\n" , err);
return NOTIFY_DONE;
}
/*
* If we ' re back on AC and that the user - chosen power profile is
* different from what the EC reports , we restore the user - chosen
* one .
*/
if (power_supply_is_system_supplied() <= 0 ||
active_platform_profile == actual_profile) {
pr_debug("Platform profile update skipped, conditions unmet\n" );
return NOTIFY_DONE;
}
if (is_omen_thermal_profile())
err = platform_profile_omen_set_ec(active_platform_profile);
else
err = platform_profile_victus_set_ec(active_platform_profile);
if (err < 0 ) {
pr_warn("Failed to restore platform profile (%d)\n" , err);
return NOTIFY_DONE;
}
return NOTIFY_OK;
}
static int victus_s_powersource_event(struct notifier_block *nb,
unsigned long value,
void *data)
{
struct acpi_bus_event *event_entry = data;
int err;
if (strcmp(event_entry->device_class, ACPI_AC_CLASS) != 0 )
return NOTIFY_DONE;
pr_debug("Received power source device event\n" );
/*
* Switching to battery power source while Performance mode is active
* needs manual triggering of CPU power limits . Same goes when switching
* to AC power source while Performance mode is active . Other modes
* however are automatically behaving without any manual action .
* Seen on HP 16 - s1034nf ( board 8 C9C ) with F . 11 and F . 13 BIOS versions .
*/
if (active_platform_profile == PLATFORM_PROFILE_PERFORMANCE) {
pr_debug("Triggering CPU PL1/PL2 actualization\n" );
err = victus_s_set_cpu_pl1_pl2(HP_POWER_LIMIT_DEFAULT,
HP_POWER_LIMIT_DEFAULT);
if (err)
pr_warn("Failed to actualize power limits: %d\n" , err);
return NOTIFY_DONE;
}
return NOTIFY_OK;
}
static int omen_register_powersource_event_handler(void )
{
int err;
platform_power_source_nb.notifier_call = omen_powersource_event;
err = register_acpi_notifier(&platform_power_source_nb);
if (err < 0 ) {
pr_warn("Failed to install ACPI power source notify handler\n" );
return err;
}
return 0 ;
}
static int victus_s_register_powersource_event_handler(void )
{
int err;
platform_power_source_nb.notifier_call = victus_s_powersource_event;
err = register_acpi_notifier(&platform_power_source_nb);
if (err < 0 ) {
pr_warn("Failed to install ACPI power source notify handler\n" );
return err;
}
return 0 ;
}
static inline void omen_unregister_powersource_event_handler(void )
{
unregister_acpi_notifier(&platform_power_source_nb);
}
static inline void victus_s_unregister_powersource_event_handler(void )
{
unregister_acpi_notifier(&platform_power_source_nb);
}
static const struct platform_profile_ops platform_profile_omen_ops = {
.probe = hp_wmi_platform_profile_probe,
.profile_get = platform_profile_omen_get,
.profile_set = platform_profile_omen_set,
};
static const struct platform_profile_ops platform_profile_victus_ops = {
.probe = hp_wmi_platform_profile_probe,
.profile_get = platform_profile_victus_get,
.profile_set = platform_profile_victus_set,
};
static const struct platform_profile_ops platform_profile_victus_s_ops = {
.probe = hp_wmi_platform_profile_probe,
.profile_get = platform_profile_omen_get,
.profile_set = platform_profile_victus_s_set,
};
static const struct platform_profile_ops hp_wmi_platform_profile_ops = {
.probe = hp_wmi_platform_profile_probe,
.profile_get = hp_wmi_platform_profile_get,
.profile_set = hp_wmi_platform_profile_set,
};
static int thermal_profile_setup(struct platform_device *device)
{
const struct platform_profile_ops *ops;
int err, tp;
if (is_omen_thermal_profile()) {
err = platform_profile_omen_get_ec(&active_platform_profile);
if (err < 0 )
return err;
/*
* call thermal profile write command to ensure that the
* firmware correctly sets the OEM variables
*/
err = platform_profile_omen_set_ec(active_platform_profile);
if (err < 0 )
return err;
ops = &platform_profile_omen_ops;
} else if (is_victus_thermal_profile()) {
err = platform_profile_victus_get_ec(&active_platform_profile);
if (err < 0 )
return err;
/*
* call thermal profile write command to ensure that the
* firmware correctly sets the OEM variables
*/
err = platform_profile_victus_set_ec(active_platform_profile);
if (err < 0 )
return err;
ops = &platform_profile_victus_ops;
} else if (is_victus_s_thermal_profile()) {
/*
* Being unable to retrieve laptop ' s current thermal profile ,
* during this setup , we set it to Balanced by default .
*/
active_platform_profile = PLATFORM_PROFILE_BALANCED;
err = platform_profile_victus_s_set_ec(active_platform_profile);
if (err < 0 )
return err;
ops = &platform_profile_victus_s_ops;
} 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;
ops = &hp_wmi_platform_profile_ops;
}
platform_profile_device = devm_platform_profile_register(&device->dev, "hp-wmi" ,
NULL, ops);
if (IS_ERR(platform_profile_device))
return PTR_ERR(platform_profile_device);
pr_info("Registered as platform profile handler\n" );
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 ;
/*
* In pre - 2009 BIOS , command 1 Bh return 0 x4 to indicate that
* BIOS no longer controls the power for the wireless
* devices . All features supported by this command will no
* longer be supported .
*/
if (!hp_wmi_bios_2009_later()) {
if (hp_wmi_rfkill_setup(device))
hp_wmi_rfkill2_setup(device);
}
err = hp_wmi_hwmon_init();
if (err < 0 )
return err;
thermal_profile_setup(device);
return 0 ;
}
static void __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);
}
}
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,
};
/*
* hp_wmi_bios_remove ( ) lives in . exit . text . For drivers registered via
* module_platform_driver_probe ( ) this is ok because they cannot get unbound at
* runtime . So mark the driver struct with _ _ refdata to prevent modpost
* triggering a section mismatch warning .
*/
static struct platform_driver hp_wmi_driver __refdata = {
.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 (is_victus_s_thermal_profile()) {
if (hp_wmi_get_fan_speed_victus_s(channel) >= 0 )
return 0444 ;
} else {
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:
if (is_victus_s_thermal_profile())
ret = hp_wmi_get_fan_speed_victus_s(channel);
else
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 :
if (is_victus_s_thermal_profile())
hp_wmi_get_fan_count_userdefine_trigger();
/* 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 */
if (is_victus_s_thermal_profile()) {
hp_wmi_get_fan_count_userdefine_trigger();
return hp_wmi_fan_speed_max_reset();
} else
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 * const 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" , PLATFORM_DEVID_NONE, 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;
}
if (is_omen_thermal_profile() || is_victus_thermal_profile()) {
err = omen_register_powersource_event_handler();
if (err)
goto err_unregister_device;
} else if (is_victus_s_thermal_profile()) {
err = victus_s_register_powersource_event_handler();
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 (is_omen_thermal_profile() || is_victus_thermal_profile())
omen_unregister_powersource_event_handler();
if (is_victus_s_thermal_profile())
victus_s_unregister_powersource_event_handler();
if (wmi_has_guid(HPWMI_EVENT_GUID))
hp_wmi_input_destroy();
if (camera_shutter_input_dev)
input_unregister_device(camera_shutter_input_dev);
if (hp_wmi_platform_dev) {
platform_device_unregister(hp_wmi_platform_dev);
platform_driver_unregister(&hp_wmi_driver);
}
}
module_exit(hp_wmi_exit);
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