| /* |
| * Copyright (c) 2011 The Chromium OS Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| * |
| * Alternatively, this software may be distributed under the terms of the |
| * GNU General Public License ("GPL") version 2 as published by the Free |
| * Software Foundation. |
| */ |
| |
| /* GPIO interface for Chrome OS verified boot */ |
| |
| #ifndef CROS_GPIO_H__ |
| #define CROS_GPIO_H__ |
| |
| enum cros_gpio_index { |
| CROS_GPIO_WPSW = 0, |
| CROS_GPIO_RECSW, |
| CROS_GPIO_DEVSW, |
| CROS_GPIO_LIDSW, |
| CROS_GPIO_PWRSW, |
| |
| CROS_GPIO_MAX_GPIO |
| }; |
| |
| enum cros_gpio_polarity { |
| CROS_GPIO_ACTIVE_LOW = 0, |
| CROS_GPIO_ACTIVE_HIGH = 1 |
| }; |
| |
| typedef struct { |
| enum cros_gpio_index index; |
| int port; |
| int polarity; |
| int value; |
| } cros_gpio_t; |
| |
| int cros_gpio_fetch(enum cros_gpio_index index, cros_gpio_t *gpio); |
| |
| int cros_gpio_dump(cros_gpio_t *gpio); |
| |
| #endif /* CROS_GPIO_H__ */ |
