xref: /linux/drivers/gpu/drm/amd/display/dc/gpio/hw_translate.h (revision 48dea9a700c8728cc31a1dd44588b97578de86ee)
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_HW_TRANSLATE_H__
27 #define __DAL_HW_TRANSLATE_H__
28 
29 struct hw_translate_funcs {
30 	bool (*offset_to_id)(
31 		uint32_t offset,
32 		uint32_t mask,
33 		enum gpio_id *id,
34 		uint32_t *en);
35 	bool (*id_to_offset)(
36 		enum gpio_id id,
37 		uint32_t en,
38 		struct gpio_pin_info *info);
39 };
40 
41 struct hw_translate {
42 	const struct hw_translate_funcs *funcs;
43 };
44 
45 bool dal_hw_translate_init(
46 	struct hw_translate *translate,
47 	enum dce_version dce_version,
48 	enum dce_environment dce_environment);
49 
50 #endif
51