projects / linux-2.6-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 | |
| 3717194f | 24 | * @wakeirq: Optional dedicated wake-up interrupt |
| 542ad4f8 | 25 | */ |
| 78a56aab | 26 | struct gpio_keys_button { |
| 542ad4f8 AS |
27 | unsigned int code; |
| 28 | int gpio; | |
| 78a56aab | 29 | int active_low; |
| 92a47674 | 30 | const char *desc; |
| 542ad4f8 AS |
31 | unsigned int type; |
| 32 | int wakeup; | |
| 83fc580d | 33 | int wakeup_event_action; |
| 542ad4f8 | 34 | int debounce_interval; |
| 9e3af04f | 35 | bool can_disable; |
| 542ad4f8 AS |
36 | int value; |
| 37 | unsigned int irq; | |
| 3717194f | 38 | unsigned int wakeirq; |
| 78a56aab PB |
39 | }; |
| 40 | ||
| 542ad4f8 AS |
41 | /** |
| 42 | * struct gpio_keys_platform_data - platform data for gpio_keys driver | |
| 43 | * @buttons: pointer to array of &gpio_keys_button structures | |
| 44 | * describing buttons attached to the device | |
| 45 | * @nbuttons: number of elements in @buttons array | |
| 46 | * @poll_interval: polling interval in msecs - for polling driver only | |
| 47 | * @rep: enable input subsystem auto repeat | |
| 48 | * @enable: platform hook for enabling the device | |
| 49 | * @disable: platform hook for disabling the device | |
| 50 | * @name: input device name | |
| 51 | */ | |
| 78a56aab | 52 | struct gpio_keys_platform_data { |
| 0f78ba96 | 53 | const struct gpio_keys_button *buttons; |
| 78a56aab | 54 | int nbuttons; |
| 542ad4f8 AS |
55 | unsigned int poll_interval; |
| 56 | unsigned int rep:1; | |
| 173bdd74 S |
57 | int (*enable)(struct device *dev); |
| 58 | void (*disable)(struct device *dev); | |
| 542ad4f8 | 59 | const char *name; |
| 78a56aab PB |
60 | }; |
| 61 | ||
| 62 | #endif |