| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Enver Balalic | 1243 | 18.88% | 2 | 1.96% |
| Matthew Garrett | 1215 | 18.45% | 6 | 5.88% |
| Anssi Hannula | 919 | 13.96% | 5 | 4.90% |
| Elia Devito | 399 | 6.06% | 3 | 2.94% |
| Jorge Lopez | 325 | 4.94% | 6 | 5.88% |
| Thomas Renninger | 300 | 4.56% | 10 | 9.80% |
| sunghwan jung | 282 | 4.28% | 1 | 0.98% |
| Darren Hart | 271 | 4.12% | 8 | 7.84% |
| Jonathan Singer | 224 | 3.40% | 2 | 1.96% |
| Alan Jenkins | 195 | 2.96% | 1 | 0.98% |
| Alex Hung | 159 | 2.41% | 4 | 3.92% |
| Dmitry Torokhov | 121 | 1.84% | 2 | 1.96% |
| Carlo Caione | 110 | 1.67% | 2 | 1.96% |
| Johannes Berg | 100 | 1.52% | 1 | 0.98% |
| Kyle Evans | 90 | 1.37% | 2 | 1.96% |
| Paulo Alcantara | 81 | 1.23% | 1 | 0.98% |
| Bedant Patnaik | 72 | 1.09% | 1 | 0.98% |
| Axel Lin | 58 | 0.88% | 3 | 2.94% |
| Greg Kroah-Hartman | 51 | 0.77% | 1 | 0.98% |
| Andy Shevchenko | 45 | 0.68% | 3 | 2.94% |
| Frans Pop | 45 | 0.68% | 4 | 3.92% |
| Joe Perches | 44 | 0.67% | 1 | 0.98% |
| Rishit Bansal | 39 | 0.59% | 2 | 1.96% |
| Larry Finger | 27 | 0.41% | 1 | 0.98% |
| Trepák Vilmos | 25 | 0.38% | 1 | 0.98% |
| Dan Carpenter | 21 | 0.32% | 1 | 0.98% |
| Daniel Houldsworth | 20 | 0.30% | 1 | 0.98% |
| Kai-Heng Feng | 16 | 0.24% | 2 | 1.96% |
| Len Brown | 15 | 0.23% | 2 | 1.96% |
| Fae | 10 | 0.15% | 1 | 0.98% |
| Andrew Morton | 9 | 0.14% | 1 | 0.98% |
| Éric Piel | 8 | 0.12% | 1 | 0.98% |
| Hans de Goede | 6 | 0.09% | 3 | 2.94% |
| Stefan Brüns | 5 | 0.08% | 2 | 1.96% |
| Zeng Zhaoming | 5 | 0.08% | 1 | 0.98% |
| Eric Dumazet | 5 | 0.08% | 1 | 0.98% |
| Maciej S. Szmigiero | 4 | 0.06% | 1 | 0.98% |
| Kirill V Tkhai | 4 | 0.06% | 1 | 0.98% |
| Mario Limonciello | 4 | 0.06% | 1 | 0.98% |
| Thomas Gleixner | 2 | 0.03% | 1 | 0.98% |
| Linus Torvalds (pre-git) | 2 | 0.03% | 1 | 0.98% |
| Mathias Krause | 2 | 0.03% | 1 | 0.98% |
| Corentin Chary | 1 | 0.02% | 1 | 0.98% |
| Linus Torvalds | 1 | 0.02% | 1 | 0.98% |
| Alexey Dobriyan | 1 | 0.02% | 1 | 0.98% |
| Adrian Bunk | 1 | 0.02% | 1 | 0.98% |
| Krzysztof Kozlowski | 1 | 0.02% | 1 | 0.98% |
| Michał Kępień | 1 | 0.02% | 1 | 0.98% |
| Barnabás Pőcze | 1 | 0.02% | 1 | 0.98% |
| Total | 6585 | 102 |
// 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/rfkill.h> #include <linux/string.h> #include <linux/dmi.h> MODULE_AUTHOR("Matthew Garrett <mjg59@srcf.ucam.org>"); MODULE_DESCRIPTION("HP laptop WMI hotkeys 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_OFFSET 0x95 #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" }; /* 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 Victus laptops */ static const char * const victus_thermal_profile_boards[] = { "8A25" }; enum hp_wmi_radio { HPWMI_WIFI = 0x0, HPWMI_BLUETOOTH = 0x1, HPWMI_WWAN = 0x2, HPWMI_GPS = 0x3, }; enum hp_wmi_event_ids { HPWMI_DOCK_EVENT = 0x01, HPWMI_PARK_HDD = 0x02, HPWMI_SMART_ADAPTER = 0x03, HPWMI_BEZEL_BUTTON = 0x04, HPWMI_WIRELESS = 0x05, HPWMI_CPU_BATTERY_THROTTLE = 0x06, HPWMI_LOCK_SWITCH = 0x07, HPWMI_LID_SWITCH = 0x08, HPWMI_SCREEN_ROTATION = 0x09, HPWMI_COOLSENSE_SYSTEM_MOBILE = 0x0A, HPWMI_COOLSENSE_SYSTEM_HOT = 0x0B, HPWMI_PROXIMITY_SENSOR = 0x0C, HPWMI_BACKLIT_KB_BRIGHTNESS = 0x0D, HPWMI_PEAKSHIFT_PERIOD = 0x0F, HPWMI_BATTERY_CHARGE_PERIOD = 0x10, HPWMI_SANITIZATION_MODE = 0x17, HPWMI_CAMERA_TOGGLE = 0x1A, HPWMI_OMEN_KEY = 0x1D, HPWMI_SMART_EXPERIENCE_APP = 0x21, }; /* * 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 = 0x01, HPWMI_HDDTEMP_QUERY = 0x02, HPWMI_ALS_QUERY = 0x03, HPWMI_HARDWARE_QUERY = 0x04, HPWMI_WIRELESS_QUERY = 0x05, HPWMI_BATTERY_QUERY = 0x07, HPWMI_BIOS_QUERY = 0x09, HPWMI_FEATURE_QUERY = 0x0b, HPWMI_HOTKEY_QUERY = 0x0c, HPWMI_FEATURE2_QUERY = 0x0d, HPWMI_WIRELESS2_QUERY = 0x1b, HPWMI_POSTCODEERROR_QUERY = 0x2a, HPWMI_SYSTEM_DEVICE_MODE = 0x40, HPWMI_THERMAL_PROFILE_QUERY = 0x4c, }; enum hp_wmi_gm_commandtype { HPWMI_FAN_SPEED_GET_QUERY = 0x11, HPWMI_SET_PERFORMANCE_MODE = 0x1A, HPWMI_FAN_SPEED_MAX_GET_QUERY = 0x26, HPWMI_FAN_SPEED_MAX_SET_QUERY = 0x27, HPWMI_GET_SYSTEM_DESIGN_DATA = 0x28, }; enum hp_wmi_command { HPWMI_READ = 0x01, HPWMI_WRITE = 0x02, HPWMI_ODM = 0x03, HPWMI_GM = 0x20008, }; enum hp_wmi_hardware_mask { HPWMI_DOCK_MASK = 0x01, HPWMI_TABLET_MASK = 0x04, }; struct bios_return { u32 sigpass; u32 return_code; }; enum hp_return_value { HPWMI_RET_WRONG_SIGNATURE = 0x02, HPWMI_RET_UNKNOWN_COMMAND = 0x03, HPWMI_RET_UNKNOWN_CMDTYPE = 0x04, HPWMI_RET_INVALID_PARAMETERS = 0x05, }; enum hp_wireless2_bits { HPWMI_POWER_STATE = 0x01, HPWMI_POWER_SOFT = 0x02, HPWMI_POWER_BIOS = 0x04, HPWMI_POWER_HARD = 0x08, HPWMI_POWER_FW_OR_HW = HPWMI_POWER_BIOS | HPWMI_POWER_HARD, }; enum hp_thermal_profile_omen_v0 { HP_OMEN_V0_THERMAL_PROFILE_DEFAULT = 0x00, HP_OMEN_V0_THERMAL_PROFILE_PERFORMANCE = 0x01, HP_OMEN_V0_THERMAL_PROFILE_COOL = 0x02, }; enum hp_thermal_profile_omen_v1 { HP_OMEN_V1_THERMAL_PROFILE_DEFAULT = 0x30, HP_OMEN_V1_THERMAL_PROFILE_PERFORMANCE = 0x31, HP_OMEN_V1_THERMAL_PROFILE_COOL = 0x50, }; enum hp_thermal_profile_victus { HP_VICTUS_THERMAL_PROFILE_DEFAULT = 0x00, HP_VICTUS_THERMAL_PROFILE_PERFORMANCE = 0x01, HP_VICTUS_THERMAL_PROFILE_QUIET = 0x03, }; enum hp_thermal_profile { HP_THERMAL_PROFILE_PERFORMANCE = 0x00, HP_THERMAL_PROFILE_DEFAULT = 0x01, HP_THERMAL_PROFILE_COOL = 0x02, HP_THERMAL_PROFILE_QUIET = 0x03, }; #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, 0x02, { KEY_BRIGHTNESSUP } }, { KE_KEY, 0x03, { KEY_BRIGHTNESSDOWN } }, { KE_KEY, 0x270, { KEY_MICMUTE } }, { KE_KEY, 0x20e6, { KEY_PROG1 } }, { KE_KEY, 0x20e8, { KEY_MEDIA } }, { KE_KEY, 0x2142, { KEY_MEDIA } }, { KE_KEY, 0x213b, { KEY_INFO } }, { KE_KEY, 0x2169, { KEY_ROTATE_DISPLAY } }, { KE_KEY, 0x216a, { KEY_SETUP } }, { KE_IGNORE, 0x21a4, }, /* Win Lock On */ { KE_IGNORE, 0x121a4, }, /* Win Lock Off */ { KE_KEY, 0x21a5, { KEY_PROG2 } }, /* HP Omen Key */ { KE_KEY, 0x21a7, { KEY_FN_ESC } }, { KE_KEY, 0x21a8, { KEY_PROG2 } }, /* HP Envy x360 programmable key */ { KE_KEY, 0x21a9, { KEY_TOUCHPAD_OFF } }, { KE_KEY, 0x121a9, { KEY_TOUCHPAD_ON } }, { KE_KEY, 0x231b, { KEY_HELP } }, { KE_END, 0 } }; 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 platform_profile_handler platform_profile_handler; 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 0x06 /* 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 = 0x55434553; 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; } 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_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) { char buffer[2] = {0, 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_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 = (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 = 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 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(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_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 == 0xff) input_report_switch(camera_shutter_input_dev, SW_CAMERA_LENS_COVER, 1); else if (event_data == 0xfe) 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 & 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; case HP_THERMAL_PROFILE_QUIET: *profile = PLATFORM_PROFILE_QUIET; 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; 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(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_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_set(struct platform_profile_handler *pprof, 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 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; set_bit(PLATFORM_PROFILE_COOL, platform_profile_handler.choices); } else if (is_victus_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_victus_get; platform_profile_handler.profile_set = platform_profile_victus_set; set_bit(PLATFORM_PROFILE_QUIET, platform_profile_handler.choices); } 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_QUIET, platform_profile_handler.choices); 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; /* * In pre-2009 BIOS, command 1Bh return 0x4 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(); 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 * 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; } 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 (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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