| 1 | /* |
| 2 | * arch/ubicom32/include/asm/ubicom32input.h |
| 3 | * Ubicom32 Input driver, based on gpio-keys |
| 4 | * |
| 5 | * (C) Copyright 2009, Ubicom, Inc. |
| 6 | * |
| 7 | * This file is part of the Ubicom32 Linux Kernel Port. |
| 8 | * |
| 9 | * The Ubicom32 Linux Kernel Port is free software: you can redistribute |
| 10 | * it and/or modify it under the terms of the GNU General Public License |
| 11 | * as published by the Free Software Foundation, either version 2 of the |
| 12 | * License, or (at your option) any later version. |
| 13 | * |
| 14 | * The Ubicom32 Linux Kernel Port is distributed in the hope that it |
| 15 | * will be useful, but WITHOUT ANY WARRANTY; without even the implied |
| 16 | * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| 17 | * the GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with the Ubicom32 Linux Kernel Port. If not, |
| 21 | * see <http://www.gnu.org/licenses/>. |
| 22 | * |
| 23 | * Ubicom32 implementation derived from (with many thanks): |
| 24 | * arch/m68knommu |
| 25 | * arch/blackfin |
| 26 | * arch/parisc |
| 27 | * |
| 28 | * TODO: add groups for inputs which can be sampled together |
| 29 | */ |
| 30 | |
| 31 | #ifndef _ASM_UBICOM32_UBICOM32_INPUT_H |
| 32 | #define _ASM_UBICOM32_UBICOM32_INPUT_H |
| 33 | |
| 34 | struct ubicom32input_button { |
| 35 | /* |
| 36 | * Input event code (KEY_*, SW_*, etc) |
| 37 | */ |
| 38 | int code; |
| 39 | |
| 40 | /* |
| 41 | * Input event type (EV_KEY, EV_SW, etc) |
| 42 | */ |
| 43 | int type; |
| 44 | |
| 45 | /* |
| 46 | * GPIO to poll |
| 47 | */ |
| 48 | int gpio; |
| 49 | |
| 50 | /* |
| 51 | * 1 for active low, 0 for active high |
| 52 | */ |
| 53 | int active_low; |
| 54 | |
| 55 | /* |
| 56 | * Description, used for reserving GPIOs |
| 57 | */ |
| 58 | const char *desc; |
| 59 | }; |
| 60 | |
| 61 | struct ubicom32input_platform_data { |
| 62 | struct ubicom32input_button *buttons; |
| 63 | int nbuttons; |
| 64 | |
| 65 | /* |
| 66 | * Optional poll interval, in ms, defaults to 50ms |
| 67 | */ |
| 68 | int poll_interval; |
| 69 | |
| 70 | /* |
| 71 | * Option Name of this driver |
| 72 | */ |
| 73 | const char *name; |
| 74 | }; |
| 75 | |
| 76 | #endif /* _ASM_UBICOM32_UBICOM32_INPUT_H */ |
| 77 | |
