projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| f4e4c324 TL |
1 | /* |
| 2 | * GPIO switch definitions | |
| 3 | * | |
| 4 | * Copyright (C) 2006 Nokia Corporation | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License version 2 as | |
| 8 | * published by the Free Software Foundation. | |
| 9 | */ | |
| 10 | ||
| 11 | #ifndef __ASM_ARCH_OMAP_GPIO_SWITCH_H | |
| 12 | #define __ASM_ARCH_OMAP_GPIO_SWITCH_H | |
| 13 | ||
| 14 | #include <linux/types.h> | |
| 15 | ||
| 16 | /* Cover: | |
| 17 | * high -> closed | |
| 18 | * low -> open | |
| 19 | * Connection: | |
| 20 | * high -> connected | |
| 21 | * low -> disconnected | |
| 22 | * Activity: | |
| 23 | * high -> active | |
| 24 | * low -> inactive | |
| 25 | * | |
| 26 | */ | |
| 27 | #define OMAP_GPIO_SWITCH_TYPE_COVER 0x0000 | |
| 28 | #define OMAP_GPIO_SWITCH_TYPE_CONNECTION 0x0001 | |
| 29 | #define OMAP_GPIO_SWITCH_TYPE_ACTIVITY 0x0002 | |
| 30 | #define OMAP_GPIO_SWITCH_FLAG_INVERTED 0x0001 | |
| 31 | #define OMAP_GPIO_SWITCH_FLAG_OUTPUT 0x0002 | |
| 32 | ||
| 33 | struct omap_gpio_switch { | |
| 34 | const char *name; | |
| 35 | s16 gpio; | |
| 36 | unsigned flags:4; | |
| 37 | unsigned type:4; | |
| 38 | ||
| 39 | /* Time in ms to debounce when transitioning from | |
| 40 | * inactive state to active state. */ | |
| 41 | u16 debounce_rising; | |
| 42 | /* Same for transition from active to inactive state. */ | |
| 43 | u16 debounce_falling; | |
| 44 | ||
| 45 | /* notify board-specific code about state changes */ | |
| 46 | void (* notify)(void *data, int state); | |
| 47 | void *notify_data; | |
| 48 | }; | |
| 49 | ||
| 50 | /* Call at init time only */ | |
| 51 | extern void omap_register_gpio_switches(const struct omap_gpio_switch *tbl, | |
| 52 | int count); | |
| 53 | ||
| 54 | #endif |