| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Anssi Hannula | 1131 | 26.53% | 5 | 7.25% |
| Matthew Garrett | 1068 | 25.05% | 6 | 8.70% |
| Darren Hart | 338 | 7.93% | 8 | 11.59% |
| Thomas Renninger | 313 | 7.34% | 10 | 14.49% |
| Alex Hung | 303 | 7.11% | 4 | 5.80% |
| Dmitry Torokhov | 201 | 4.71% | 2 | 2.90% |
| Alan Jenkins | 187 | 4.39% | 1 | 1.45% |
| Carlo Caione | 126 | 2.96% | 2 | 2.90% |
| Kyle Evans | 122 | 2.86% | 2 | 2.90% |
| Johannes Berg | 102 | 2.39% | 1 | 1.45% |
| Paulo Alcantara | 83 | 1.95% | 1 | 1.45% |
| Joe Perches | 52 | 1.22% | 1 | 1.45% |
| Frans Pop | 41 | 0.96% | 5 | 7.25% |
| Axel Lin | 40 | 0.94% | 3 | 4.35% |
| Dan Carpenter | 37 | 0.87% | 1 | 1.45% |
| Larry Finger | 32 | 0.75% | 1 | 1.45% |
| Trepák Vilmos | 25 | 0.59% | 1 | 1.45% |
| Len Brown | 14 | 0.33% | 1 | 1.45% |
| Éric Piel | 8 | 0.19% | 1 | 1.45% |
| Stefan Brüns | 6 | 0.14% | 2 | 2.90% |
| Eric Dumazet | 5 | 0.12% | 1 | 1.45% |
| Andrew Morton | 5 | 0.12% | 1 | 1.45% |
| Zeng Zhaoming | 5 | 0.12% | 1 | 1.45% |
| Kirill V Tkhai | 4 | 0.09% | 1 | 1.45% |
| Maciej S. Szmigiero | 4 | 0.09% | 1 | 1.45% |
| Tejun Heo | 3 | 0.07% | 1 | 1.45% |
| Mathias Krause | 3 | 0.07% | 1 | 1.45% |
| Thomas Gleixner | 2 | 0.05% | 1 | 1.45% |
| Adrian Bunk | 1 | 0.02% | 1 | 1.45% |
| Corentin Chary | 1 | 0.02% | 1 | 1.45% |
| Michał Kępień | 1 | 0.02% | 1 | 1.45% |
| Total | 4263 | 69 |
// 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/acpi.h> #include <linux/rfkill.h> #include <linux/string.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" 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, }; struct bios_args { u32 signature; u32 command; u32 commandtype; u32 datasize; u32 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, }; enum hp_wmi_command { HPWMI_READ = 0x01, HPWMI_WRITE = 0x02, HPWMI_ODM = 0x03, }; 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, }; #define IS_HWBLOCKED(x) ((x & (HPWMI_POWER_BIOS | HPWMI_POWER_HARD)) \ != (HPWMI_POWER_BIOS | HPWMI_POWER_HARD)) #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, 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_KEY, 0x231b, { KEY_HELP } }, { KE_END, 0 } }; static struct input_dev *hp_wmi_input_dev; static struct platform_device *hp_wmi_platform_dev; 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]; /* 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) { int mid; struct bios_return *bios_return; int actual_outsize; union acpi_object *obj; struct bios_args args = { .signature = 0x55434553, .command = command, .commandtype = query, .datasize = insize, .data = 0, }; struct acpi_buffer input = { sizeof(struct bios_args), &args }; struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; int ret = 0; mid = encode_outsize_for_pvsz(outsize); if (WARN_ON(mid < 0)) return mid; if (WARN_ON(insize > sizeof(args.data))) return -EINVAL; memcpy(&args.data, buffer, insize); wmi_evaluate_method(HPWMI_BIOS_GUID, 0, mid, &input, &output); obj = output.pointer; if (!obj) return -EINVAL; if (obj->type != ACPI_TYPE_BUFFER) { 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_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); return ret; } static int hp_wmi_read_int(int query) { int val = 0, ret; ret = hp_wmi_perform_query(query, HPWMI_READ, &val, sizeof(val), sizeof(val)); if (ret) return ret < 0 ? ret : -EINVAL; return val; } static int hp_wmi_hw_state(int mask) { int state = hp_wmi_read_int(HPWMI_HARDWARE_QUERY); if (state < 0) return state; return !!(state & mask); } static int __init hp_wmi_bios_2008_later(void) { int state = 0; int ret = hp_wmi_perform_query(HPWMI_FEATURE_QUERY, HPWMI_READ, &state, sizeof(state), sizeof(state)); if (!ret) return 1; return (ret == HPWMI_RET_UNKNOWN_CMDTYPE) ? 0 : -ENXIO; } static int __init hp_wmi_bios_2009_later(void) { int state = 0; int ret = hp_wmi_perform_query(HPWMI_FEATURE2_QUERY, HPWMI_READ, &state, sizeof(state), sizeof(state)); if (!ret) return 1; return (ret == HPWMI_RET_UNKNOWN_CMDTYPE) ? 0 : -ENXIO; } static int __init hp_wmi_enable_hotkeys(void) { int value = 0x6e; int ret = hp_wmi_perform_query(HPWMI_BIOS_QUERY, HPWMI_WRITE, &value, sizeof(value), 0); return ret <= 0 ? ret : -EINVAL; } static int hp_wmi_set_block(void *data, bool blocked) { enum hp_wmi_radio r = (enum hp_wmi_radio) data; int query = BIT(r + 8) | ((!blocked) << r); int ret; ret = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, HPWMI_WRITE, &query, sizeof(query), 0); return ret <= 0 ? ret : -EINVAL; } static const struct rfkill_ops hp_wmi_rfkill_ops = { .set_block = hp_wmi_set_block, }; static bool hp_wmi_get_sw_state(enum hp_wmi_radio r) { int mask = 0x200 << (r * 8); int wireless = hp_wmi_read_int(HPWMI_WIRELESS_QUERY); /* TBD: Pass error */ WARN_ONCE(wireless < 0, "error executing HPWMI_WIRELESS_QUERY"); return !(wireless & mask); } static bool hp_wmi_get_hw_state(enum hp_wmi_radio r) { int mask = 0x800 << (r * 8); int wireless = hp_wmi_read_int(HPWMI_WIRELESS_QUERY); /* TBD: Pass error */ WARN_ONCE(wireless < 0, "error executing HPWMI_WIRELESS_QUERY"); return !(wireless & mask); } static int hp_wmi_rfkill2_set_block(void *data, bool blocked) { int rfkill_id = (int)(long)data; char buffer[4] = { 0x01, 0x00, rfkill_id, !blocked }; int ret; ret = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, HPWMI_WRITE, buffer, sizeof(buffer), 0); return ret <= 0 ? ret : -EINVAL; } static const struct rfkill_ops hp_wmi_rfkill2_ops = { .set_block = hp_wmi_rfkill2_set_block, }; static int hp_wmi_rfkill2_refresh(void) { struct bios_rfkill2_state state; int err, i; err = hp_wmi_perform_query(HPWMI_WIRELESS2_QUERY, HPWMI_READ, &state, 0, 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_hw_state(HPWMI_DOCK_MASK); 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_hw_state(HPWMI_TABLET_MASK); 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 = simple_strtoul(buf, NULL, 10); int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, HPWMI_WRITE, &tmp, sizeof(tmp), sizeof(tmp)); 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) { long unsigned int tmp2; int ret; u32 tmp; ret = kstrtoul(buf, 10, &tmp2); if (!ret && tmp2 != 1) ret = -EINVAL; if (ret) goto out; /* Clear the POST error code. It is kept until until cleared. */ tmp = (u32) tmp2; ret = hp_wmi_perform_query(HPWMI_POSTCODEERROR_QUERY, HPWMI_WRITE, &tmp, sizeof(tmp), sizeof(tmp)); out: if (ret) return ret < 0 ? ret : -EINVAL; return count; } static DEVICE_ATTR_RO(display); static DEVICE_ATTR_RO(hddtemp); static DEVICE_ATTR_RW(als); static DEVICE_ATTR_RO(dock); static DEVICE_ATTR_RO(tablet); static DEVICE_ATTR_RW(postcode); static 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_hw_state(HPWMI_DOCK_MASK)); if (test_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit)) input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, hp_wmi_hw_state(HPWMI_TABLET_MASK)); input_sync(hp_wmi_input_dev); break; case HPWMI_PARK_HDD: break; case HPWMI_SMART_ADAPTER: break; case HPWMI_BEZEL_BUTTON: key_code = hp_wmi_read_int(HPWMI_HOTKEY_QUERY); if (key_code < 0) break; if (!sparse_keymap_report_event(hp_wmi_input_dev, key_code, 1, true)) pr_info("Unknown key code - 0x%x\n", key_code); break; case HPWMI_WIRELESS: if (rfkill2_count) { hp_wmi_rfkill2_refresh(); break; } if (wifi_rfkill) rfkill_set_states(wifi_rfkill, hp_wmi_get_sw_state(HPWMI_WIFI), hp_wmi_get_hw_state(HPWMI_WIFI)); if (bluetooth_rfkill) rfkill_set_states(bluetooth_rfkill, hp_wmi_get_sw_state(HPWMI_BLUETOOTH), hp_wmi_get_hw_state(HPWMI_BLUETOOTH)); if (wwan_rfkill) rfkill_set_states(wwan_rfkill, hp_wmi_get_sw_state(HPWMI_WWAN), hp_wmi_get_hw_state(HPWMI_WWAN)); break; case HPWMI_CPU_BATTERY_THROTTLE: pr_info("Unimplemented CPU throttle because of 3 Cell battery event detected\n"); break; case HPWMI_LOCK_SWITCH: break; case HPWMI_LID_SWITCH: break; case HPWMI_SCREEN_ROTATION: break; case HPWMI_COOLSENSE_SYSTEM_MOBILE: break; case HPWMI_COOLSENSE_SYSTEM_HOT: break; case HPWMI_PROXIMITY_SENSOR: break; case HPWMI_BACKLIT_KB_BRIGHTNESS: break; case HPWMI_PEAKSHIFT_PERIOD: break; case HPWMI_BATTERY_CHARGE_PERIOD: break; default: pr_info("Unknown event_id - %d - 0x%x\n", event_id, event_data); break; } } static int __init hp_wmi_input_setup(void) { acpi_status status; int err, val; hp_wmi_input_dev = input_allocate_device(); if (!hp_wmi_input_dev) return -ENOMEM; hp_wmi_input_dev->name = "HP WMI hotkeys"; hp_wmi_input_dev->phys = "wmi/input0"; hp_wmi_input_dev->id.bustype = BUS_HOST; __set_bit(EV_SW, hp_wmi_input_dev->evbit); /* Dock */ val = hp_wmi_hw_state(HPWMI_DOCK_MASK); 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_hw_state(HPWMI_TABLET_MASK); 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 void cleanup_sysfs(struct platform_device *device) { device_remove_file(&device->dev, &dev_attr_display); device_remove_file(&device->dev, &dev_attr_hddtemp); device_remove_file(&device->dev, &dev_attr_als); device_remove_file(&device->dev, &dev_attr_dock); device_remove_file(&device->dev, &dev_attr_tablet); device_remove_file(&device->dev, &dev_attr_postcode); } 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, 0, 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 __init hp_wmi_bios_setup(struct platform_device *device) { int err; /* clear detected rfkill devices */ wifi_rfkill = NULL; bluetooth_rfkill = NULL; wwan_rfkill = NULL; rfkill2_count = 0; if (hp_wmi_rfkill_setup(device)) hp_wmi_rfkill2_setup(device); err = device_create_file(&device->dev, &dev_attr_display); if (err) goto add_sysfs_error; err = device_create_file(&device->dev, &dev_attr_hddtemp); if (err) goto add_sysfs_error; err = device_create_file(&device->dev, &dev_attr_als); if (err) goto add_sysfs_error; err = device_create_file(&device->dev, &dev_attr_dock); if (err) goto add_sysfs_error; err = device_create_file(&device->dev, &dev_attr_tablet); if (err) goto add_sysfs_error; err = device_create_file(&device->dev, &dev_attr_postcode); if (err) goto add_sysfs_error; return 0; add_sysfs_error: cleanup_sysfs(device); return err; } static int __exit hp_wmi_bios_remove(struct platform_device *device) { int i; cleanup_sysfs(device); 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); } 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_hw_state(HPWMI_DOCK_MASK)); if (test_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit)) input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE, hp_wmi_hw_state(HPWMI_TABLET_MASK)); 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, }, .remove = __exit_p(hp_wmi_bios_remove), }; 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; if (!bios_capable && !event_capable) return -ENODEV; if (event_capable) { err = hp_wmi_input_setup(); if (err) return err; } if (bios_capable) { hp_wmi_platform_dev = platform_device_register_simple("hp-wmi", -1, NULL, 0); if (IS_ERR(hp_wmi_platform_dev)) { err = PTR_ERR(hp_wmi_platform_dev); goto err_destroy_input; } err = platform_driver_probe(&hp_wmi_driver, hp_wmi_bios_setup); if (err) goto err_unregister_device; } return 0; err_unregister_device: platform_device_unregister(hp_wmi_platform_dev); err_destroy_input: if (event_capable) hp_wmi_input_destroy(); return err; } module_init(hp_wmi_init); static void __exit hp_wmi_exit(void) { if (wmi_has_guid(HPWMI_EVENT_GUID)) hp_wmi_input_destroy(); if (hp_wmi_platform_dev) { platform_device_unregister(hp_wmi_platform_dev); platform_driver_unregister(&hp_wmi_driver); } } module_exit(hp_wmi_exit);
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