3246c5803c
Added SW_MUTE_DEVICE event type for mic mute switch. BUG=b:184593945 BRANCH=puff TEST=build image and verify with evtest on puff: /dev/input/event3: mic_mute_switch UI event_device_info receives the proper name. Change-Id: I09c52dc3df63e266c73741b102a22f8a2b896791 Signed-off-by: Ben Zhang <benzh@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/54689 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
91 lines
2.7 KiB
C
91 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef __DRIVERS_GENERIC_GPIO_KEYS_H__
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#define __DRIVERS_GENERIC_GPIO_KEYS_H__
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#include <acpi/acpi_device.h>
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#include <stdint.h>
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/* Linux input type */
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enum {
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/* Switch event */
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EV_SW = 0x5,
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};
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/* Switch events type (Linux code emitted for EV_SW) */
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enum {
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SW_MUTE_DEVICE = 0xe,
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SW_PEN_INSERTED = 0xf,
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};
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/* Trigger for wakeup event action */
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enum {
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EV_ACT_ANY,
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EV_ACT_ASSERTED,
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EV_ACT_DEASSERTED,
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};
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enum {
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/*
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* GPIO key uses SCI route to wake the system from suspend state. This is typically used
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* when the input line is dual routed i.e. one for IRQ and other for SCI or if the GPIO
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* controller is capable of handling the filtering for IRQ and SCI separately. This
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* requires "wake" property to be provided by the board which represents the GPE # for
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* wake. It is exposed as _PRW in ACPI tables.
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*/
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WAKEUP_ROUTE_SCI,
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/*
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* GPIO key uses GPIO controller IRQ route for wake. This is used when IRQ and wake are
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* routed to the same pad and the GPIO controller is not capable of handling the trigger
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* filtering separately for IRQ and wake. Kernel driver for gpio-keys takes care of
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* reconfiguring the IRQ trigger as both edges when used in S0 and the edge requested by
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* BIOS (as per wakeup_event_action) when entering suspend. In this case, _PRW is not
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* exposed for the key device.
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*/
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WAKEUP_ROUTE_GPIO_IRQ,
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/* GPIO key does not support wake. */
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WAKEUP_ROUTE_DISABLED,
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};
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/* Details of the child node defining key */
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struct key_info {
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/* Device name of the child node - Mandatory */
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const char *dev_name;
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/* Keycode emitted for this key - Mandatory */
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uint32_t linux_code;
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/*
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* Event type generated for this key
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* See EV_* above.
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*/
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uint32_t linux_input_type;
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/* Descriptive name of the key */
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const char *label;
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/* Wakeup route (if any) for the key. See WAKEUP_ROUTE_* macros above. */
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unsigned int wakeup_route;
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/* Wake GPE -- SCI GPE # for wake. Required for WAKEUP_ROUTE_SCI. */
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unsigned int wake_gpe;
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/* Trigger for Wakeup Event Action as defined in EV_ACT_* enum */
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unsigned int wakeup_event_action;
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/* Can this key be disabled? */
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bool can_be_disabled;
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/* Debounce interval time in milliseconds */
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uint32_t debounce_interval;
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};
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struct drivers_generic_gpio_keys_config {
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/* Device name of the parent gpio-keys node */
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const char *name;
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/* Name of the input device - Optional */
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const char *label;
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/* GPIO line providing the key - Mandatory */
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struct acpi_gpio gpio;
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/* Is this a polled GPIO button? - Optional */
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bool is_polled;
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/* Poll inverval - Mandatory only if GPIO is polled. */
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uint32_t poll_interval;
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/* Details about the key - Mandatory */
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struct key_info key;
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};
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#endif /* __DRIVERS_GENERIC_GPIO_KEYS_H__ */
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