projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 78a56aab PB |
2 | #ifndef _GPIO_KEYS_H |
| 3 | #define _GPIO_KEYS_H | |
| 4 | ||
| 2b6e6811 MV |
5 | #include <linux/types.h> |
| 6 | ||
| b18db3d9 HS |
7 | struct device; |
| 8 | ||
| 542ad4f8 AS |
9 | /** |
| 10 | * struct gpio_keys_button - configuration parameters | |
| 11 | * @code: input event code (KEY_*, SW_*) | |
| 12 | * @gpio: %-1 if this key does not support gpio | |
| 13 | * @active_low: %true indicates that button is considered | |
| 14 | * depressed when gpio is low | |
| 15 | * @desc: label that will be attached to button's gpio | |
| 16 | * @type: input event type (%EV_KEY, %EV_SW, %EV_ABS) | |
| 17 | * @wakeup: configure the button as a wake-up source | |
| 83fc580d | 18 | * @wakeup_event_action: event action to trigger wakeup |
| 542ad4f8 AS |
19 | * @debounce_interval: debounce ticks interval in msecs |
| 20 | * @can_disable: %true indicates that userspace is allowed to | |
| 21 | * disable button via sysfs | |
| 22 | * @value: axis value for %EV_ABS | |
| 23 | * @irq: Irq number in case of interrupt keys | |
| 24 | */ | |
| 78a56aab | 25 | struct gpio_keys_button { |
| 542ad4f8 AS |
26 | unsigned int code; |
| 27 | int gpio; | |
| 78a56aab | 28 | int active_low; |
| 92a47674 | 29 | const char *desc; |
| 542ad4f8 AS |
30 | unsigned int type; |
| 31 | int wakeup; | |
| 83fc580d | 32 | int wakeup_event_action; |
| 542ad4f8 | 33 | int debounce_interval; |
| 9e3af04f | 34 | bool can_disable; |
| 542ad4f8 AS |
35 | int value; |
| 36 | unsigned int irq; | |
| 78a56aab PB |
37 | }; |
| 38 | ||
| 542ad4f8 AS |
39 | /** |
| 40 | * struct gpio_keys_platform_data - platform data for gpio_keys driver | |
| 41 | * @buttons: pointer to array of &gpio_keys_button structures | |
| 42 | * describing buttons attached to the device | |
| 43 | * @nbuttons: number of elements in @buttons array | |
| 44 | * @poll_interval: polling interval in msecs - for polling driver only | |
| 45 | * @rep: enable input subsystem auto repeat | |
| 46 | * @enable: platform hook for enabling the device | |
| 47 | * @disable: platform hook for disabling the device | |
| 48 | * @name: input device name | |
| 49 | */ | |
| 78a56aab | 50 | struct gpio_keys_platform_data { |
| 0f78ba96 | 51 | const struct gpio_keys_button *buttons; |
| 78a56aab | 52 | int nbuttons; |
| 542ad4f8 AS |
53 | unsigned int poll_interval; |
| 54 | unsigned int rep:1; | |
| 173bdd74 S |
55 | int (*enable)(struct device *dev); |
| 56 | void (*disable)(struct device *dev); | |
| 542ad4f8 | 57 | const char *name; |
| 78a56aab PB |
58 | }; |
| 59 | ||
| 60 | #endif |