Lines Matching +full:device +full:- +full:handle
1 // SPDX-License-Identifier: GPL-2.0+
12 #include <linux/input/sparse-keymap.h>
36 /* 1: LSuper (Page 0x07, usage 0xE3) -- unclear what to do */
37 /* 2: Toggle SW_ROTATE_LOCK -- easy to implement if seen in wild */
46 /* 13 has two different meanings in the spec -- ignore it. */
54 /* 27: wake -- needs special handling */
106 * Some convertible use the intel-hid ACPI interface to report SW_TABLET_MODE,
115 DMI_MATCH(DMI_PRODUCT_NAME, "HP Spectre x360 Convertible 15-df0xxx"),
147 #define HID_EVENT_FILTER_UUID "eeec56b3-4442-408f-a792-4edd4d758054"
179 static bool intel_hid_execute_method(acpi_handle handle, in intel_hid_execute_method() argument
204 obj = acpi_evaluate_dsm(handle, &intel_dsm_guid, 1, fn_index, &argv4); in intel_hid_execute_method()
206 acpi_handle_debug(handle, "Exec DSM Fn code: %d[%s] success\n", in intel_hid_execute_method()
213 status = acpi_execute_simple_method(handle, method_name, arg); in intel_hid_execute_method()
220 static bool intel_hid_evaluate_method(acpi_handle handle, in intel_hid_evaluate_method() argument
237 obj = acpi_evaluate_dsm_typed(handle, &intel_dsm_guid, in intel_hid_evaluate_method()
241 *result = obj->integer.value; in intel_hid_evaluate_method()
242 acpi_handle_debug(handle, in intel_hid_evaluate_method()
250 status = acpi_evaluate_integer(handle, method_name, NULL, result); in intel_hid_evaluate_method()
257 static void intel_hid_init_dsm(acpi_handle handle) in intel_hid_init_dsm() argument
263 obj = acpi_evaluate_dsm_typed(handle, &intel_dsm_guid, 1, 0, NULL, in intel_hid_init_dsm()
266 switch (obj->buffer.length) { in intel_hid_init_dsm()
269 intel_hid_dsm_fn_mask = *(u16 *)obj->buffer.pointer; in intel_hid_init_dsm()
272 intel_hid_dsm_fn_mask = *obj->buffer.pointer; in intel_hid_init_dsm()
275 acpi_handle_warn(handle, "intel_hid_dsm_fn_mask length is zero\n"); in intel_hid_init_dsm()
282 acpi_handle_debug(handle, "intel_hid_dsm_fn_mask = %llx\n", in intel_hid_init_dsm()
286 static int intel_hid_set_enable(struct device *device, bool enable) in intel_hid_set_enable() argument
288 acpi_handle handle = ACPI_HANDLE(device); in intel_hid_set_enable() local
290 /* Enable|disable features - power button is always enabled */ in intel_hid_set_enable()
291 if (!intel_hid_execute_method(handle, INTEL_HID_DSM_HDSM_FN, in intel_hid_set_enable()
293 dev_warn(device, "failed to %sable hotkeys\n", in intel_hid_set_enable()
295 return -EIO; in intel_hid_set_enable()
301 static void intel_button_array_enable(struct device *device, bool enable) in intel_button_array_enable() argument
303 struct intel_hid_priv *priv = dev_get_drvdata(device); in intel_button_array_enable()
304 acpi_handle handle = ACPI_HANDLE(device); in intel_button_array_enable() local
308 if (!priv->array) in intel_button_array_enable()
312 status = acpi_evaluate_integer(handle, "BTNC", NULL, &button_cap); in intel_button_array_enable()
314 dev_warn(device, "failed to get button capability\n"); in intel_button_array_enable()
318 /* Enable|disable features - power button is always enabled */ in intel_button_array_enable()
319 if (!intel_hid_execute_method(handle, INTEL_HID_DSM_BTNE_FN, in intel_button_array_enable()
321 dev_warn(device, "failed to set button capability\n"); in intel_button_array_enable()
324 static int intel_hid_pm_prepare(struct device *device) in intel_hid_pm_prepare() argument
326 if (device_may_wakeup(device)) { in intel_hid_pm_prepare()
327 struct intel_hid_priv *priv = dev_get_drvdata(device); in intel_hid_pm_prepare()
329 priv->wakeup_mode = true; in intel_hid_pm_prepare()
334 static void intel_hid_pm_complete(struct device *device) in intel_hid_pm_complete() argument
336 struct intel_hid_priv *priv = dev_get_drvdata(device); in intel_hid_pm_complete()
338 priv->wakeup_mode = false; in intel_hid_pm_complete()
341 static int intel_hid_pl_suspend_handler(struct device *device) in intel_hid_pl_suspend_handler() argument
343 intel_button_array_enable(device, false); in intel_hid_pl_suspend_handler()
346 intel_hid_set_enable(device, false); in intel_hid_pl_suspend_handler()
351 static int intel_hid_pl_resume_handler(struct device *device) in intel_hid_pl_resume_handler() argument
353 intel_hid_pm_complete(device); in intel_hid_pl_resume_handler()
356 intel_hid_set_enable(device, true); in intel_hid_pl_resume_handler()
358 intel_button_array_enable(device, true); in intel_hid_pl_resume_handler()
372 static int intel_hid_input_setup(struct platform_device *device) in intel_hid_input_setup() argument
374 struct intel_hid_priv *priv = dev_get_drvdata(&device->dev); in intel_hid_input_setup()
377 priv->input_dev = devm_input_allocate_device(&device->dev); in intel_hid_input_setup()
378 if (!priv->input_dev) in intel_hid_input_setup()
379 return -ENOMEM; in intel_hid_input_setup()
381 ret = sparse_keymap_setup(priv->input_dev, intel_hid_keymap, NULL); in intel_hid_input_setup()
385 priv->input_dev->name = "Intel HID events"; in intel_hid_input_setup()
386 priv->input_dev->id.bustype = BUS_HOST; in intel_hid_input_setup()
388 return input_register_device(priv->input_dev); in intel_hid_input_setup()
391 static int intel_button_array_input_setup(struct platform_device *device) in intel_button_array_input_setup() argument
393 struct intel_hid_priv *priv = dev_get_drvdata(&device->dev); in intel_button_array_input_setup()
396 /* Setup input device for 5 button array */ in intel_button_array_input_setup()
397 priv->array = devm_input_allocate_device(&device->dev); in intel_button_array_input_setup()
398 if (!priv->array) in intel_button_array_input_setup()
399 return -ENOMEM; in intel_button_array_input_setup()
401 ret = sparse_keymap_setup(priv->array, intel_array_keymap, NULL); in intel_button_array_input_setup()
405 priv->array->name = "Intel HID 5 button array"; in intel_button_array_input_setup()
406 priv->array->id.bustype = BUS_HOST; in intel_button_array_input_setup()
408 return input_register_device(priv->array); in intel_button_array_input_setup()
411 static int intel_hid_switches_setup(struct platform_device *device) in intel_hid_switches_setup() argument
413 struct intel_hid_priv *priv = dev_get_drvdata(&device->dev); in intel_hid_switches_setup()
415 /* Setup input device for switches */ in intel_hid_switches_setup()
416 priv->switches = devm_input_allocate_device(&device->dev); in intel_hid_switches_setup()
417 if (!priv->switches) in intel_hid_switches_setup()
418 return -ENOMEM; in intel_hid_switches_setup()
420 __set_bit(EV_SW, priv->switches->evbit); in intel_hid_switches_setup()
421 __set_bit(SW_TABLET_MODE, priv->switches->swbit); in intel_hid_switches_setup()
423 priv->switches->name = "Intel HID switches"; in intel_hid_switches_setup()
424 priv->switches->id.bustype = BUS_HOST; in intel_hid_switches_setup()
425 return input_register_device(priv->switches); in intel_hid_switches_setup()
428 static void report_tablet_mode_state(struct platform_device *device) in report_tablet_mode_state() argument
430 struct intel_hid_priv *priv = dev_get_drvdata(&device->dev); in report_tablet_mode_state()
431 acpi_handle handle = ACPI_HANDLE(&device->dev); in report_tablet_mode_state() local
435 if (!intel_hid_evaluate_method(handle, INTEL_HID_DSM_VGBS_FN, &vgbs)) in report_tablet_mode_state()
439 input_report_switch(priv->switches, SW_TABLET_MODE, m); in report_tablet_mode_state()
440 input_sync(priv->switches); in report_tablet_mode_state()
462 static void notify_handler(acpi_handle handle, u32 event, void *context) in notify_handler() argument
464 struct platform_device *device = context; in notify_handler() local
465 struct intel_hid_priv *priv = dev_get_drvdata(&device->dev); in notify_handler()
474 if (!priv->switches && priv->auto_add_switch && (event == 0xcc || event == 0xcd)) { in notify_handler()
475 dev_info(&device->dev, "switch event received, enable switches supports\n"); in notify_handler()
476 err = intel_hid_switches_setup(device); in notify_handler()
481 if (priv->wakeup_mode) { in notify_handler()
483 * Needed for wakeup from suspend-to-idle to work on some in notify_handler()
484 * platforms that don't expose the 5-button array, but still in notify_handler()
486 * device object on power button actions while suspended. in notify_handler()
492 * Some devices send (duplicate) tablet-mode events when moved in notify_handler()
499 report_tablet_mode_event(priv->switches, event); in notify_handler()
503 /* Wake up on 5-button array events only. */ in notify_handler()
504 if (event == 0xc0 || !priv->array) in notify_handler()
507 if (!sparse_keymap_entry_from_scancode(priv->array, event)) { in notify_handler()
508 dev_info(&device->dev, "unknown event 0x%x\n", event); in notify_handler()
513 pm_wakeup_hard_event(&device->dev); in notify_handler()
520 * the 5-button array, but still send notifies with power button in notify_handler()
521 * event code to this device object on power button actions. in notify_handler()
525 if (!priv->array) { in notify_handler()
527 input_report_key(priv->input_dev, KEY_POWER, 1); in notify_handler()
528 input_sync(priv->input_dev); in notify_handler()
533 input_report_key(priv->input_dev, KEY_POWER, 0); in notify_handler()
534 input_sync(priv->input_dev); in notify_handler()
539 if (report_tablet_mode_event(priv->switches, event)) in notify_handler()
544 if (!priv->array || in notify_handler()
545 !sparse_keymap_report_event(priv->array, event, 1, true)) in notify_handler()
546 dev_dbg(&device->dev, "unknown event 0x%x\n", event); in notify_handler()
550 if (!intel_hid_evaluate_method(handle, INTEL_HID_DSM_HDEM_FN, in notify_handler()
552 dev_warn(&device->dev, "failed to get event index\n"); in notify_handler()
556 if (!sparse_keymap_report_event(priv->input_dev, ev_index, 1, true)) in notify_handler()
557 dev_dbg(&device->dev, "unknown event index 0x%llx\n", in notify_handler()
561 static bool button_array_present(struct platform_device *device) in button_array_present() argument
563 acpi_handle handle = ACPI_HANDLE(&device->dev); in button_array_present() local
566 if (intel_hid_evaluate_method(handle, INTEL_HID_DSM_HEBC_V2_FN, in button_array_present()
573 if (intel_hid_evaluate_method(handle, INTEL_HID_DSM_HEBC_V1_FN, in button_array_present()
585 static int intel_hid_probe(struct platform_device *device) in intel_hid_probe() argument
587 acpi_handle handle = ACPI_HANDLE(&device->dev); in intel_hid_probe() local
593 intel_hid_init_dsm(handle); in intel_hid_probe()
595 if (!intel_hid_evaluate_method(handle, INTEL_HID_DSM_HDMM_FN, &mode)) { in intel_hid_probe()
596 dev_warn(&device->dev, "failed to read mode\n"); in intel_hid_probe()
597 return -ENODEV; in intel_hid_probe()
606 dev_info(&device->dev, "platform is not in simple mode\n"); in intel_hid_probe()
607 return -ENODEV; in intel_hid_probe()
610 priv = devm_kzalloc(&device->dev, sizeof(*priv), GFP_KERNEL); in intel_hid_probe()
612 return -ENOMEM; in intel_hid_probe()
613 dev_set_drvdata(&device->dev, priv); in intel_hid_probe()
616 priv->auto_add_switch = dmi_check_system(dmi_auto_add_switch) && !dual_accel_detect(); in intel_hid_probe()
618 err = intel_hid_input_setup(device); in intel_hid_probe()
625 if (button_array_present(device)) { in intel_hid_probe()
626 dev_info(&device->dev, "platform supports 5 button array\n"); in intel_hid_probe()
627 err = intel_button_array_input_setup(device); in intel_hid_probe()
634 dev_info(&device->dev, "platform supports switches\n"); in intel_hid_probe()
635 err = intel_hid_switches_setup(device); in intel_hid_probe()
639 report_tablet_mode_state(device); in intel_hid_probe()
642 status = acpi_install_notify_handler(handle, in intel_hid_probe()
645 device); in intel_hid_probe()
647 return -EBUSY; in intel_hid_probe()
649 err = intel_hid_set_enable(&device->dev, true); in intel_hid_probe()
653 if (priv->array) { in intel_hid_probe()
656 intel_button_array_enable(&device->dev, true); in intel_hid_probe()
659 if (!intel_hid_evaluate_method(handle, INTEL_HID_DSM_BTNL_FN, in intel_hid_probe()
661 dev_warn(&device->dev, in intel_hid_probe()
666 device_init_wakeup(&device->dev, true); in intel_hid_probe()
676 acpi_remove_notify_handler(handle, ACPI_DEVICE_NOTIFY, notify_handler); in intel_hid_probe()
681 static int intel_hid_remove(struct platform_device *device) in intel_hid_remove() argument
683 acpi_handle handle = ACPI_HANDLE(&device->dev); in intel_hid_remove() local
685 device_init_wakeup(&device->dev, false); in intel_hid_remove()
686 acpi_remove_notify_handler(handle, ACPI_DEVICE_NOTIFY, notify_handler); in intel_hid_remove()
687 intel_hid_set_enable(&device->dev, false); in intel_hid_remove()
688 intel_button_array_enable(&device->dev, false); in intel_hid_remove()
692 * safely detach from the device. in intel_hid_remove()
699 .name = "intel-hid",
708 * Unfortunately, some laptops provide a _HID="INT33D5" device with
710 * ACPI node, so no platform device will be created. The pnpacpi
711 * driver rejects this device in subsequent processing, so no physical
714 * As a workaround until the ACPI core figures out how to handle
715 * this corner case, manually ask the ACPI platform device code to
719 check_acpi_dev(acpi_handle handle, u32 lvl, void *context, void **rv) in check_acpi_dev() argument
724 if (acpi_bus_get_device(handle, &dev) != 0) in check_acpi_dev()
729 dev_info(&dev->dev, in check_acpi_dev()
730 "intel-hid: created platform device\n"); in check_acpi_dev()