1 /*
2 * Copyright 2012-15 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: AMD
23 *
24 */
25
26 #ifndef __DAL_GPIO_SERVICE_H__
27 #define __DAL_GPIO_SERVICE_H__
28
29 struct hw_translate;
30 struct hw_factory;
31
32 struct gpio_service {
33 struct dc_context *ctx;
34 struct hw_translate translate;
35 struct hw_factory factory;
36 /*
37 * @brief
38 * Business storage.
39 * one byte For each member of 'enum gpio_id'
40 */
41 char *busyness[GPIO_ID_COUNT];
42 };
43
44 enum gpio_result dal_gpio_service_open(
45 struct gpio *gpio);
46
47 void dal_gpio_service_close(
48 struct gpio_service *service,
49 struct hw_gpio_pin **ptr);
50
51 enum gpio_result dal_gpio_service_lock(
52 struct gpio_service *service,
53 enum gpio_id id,
54 uint32_t en);
55
56 enum gpio_result dal_gpio_service_unlock(
57 struct gpio_service *service,
58 enum gpio_id id,
59 uint32_t en);
60
61 #endif