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_HPD_H__
27 #define __DAL_HW_HPD_H__
28 
29 #include "hpd_regs.h"
30 
31 struct hw_hpd {
32 	struct hw_gpio base;
33 	const struct hpd_registers *regs;
34 	const struct hpd_sh_mask *shifts;
35 	const struct hpd_sh_mask *masks;
36 };
37 
38 #define HW_HPD_FROM_BASE(hw_gpio) \
39 	container_of((HW_GPIO_FROM_BASE(hw_gpio)), struct hw_hpd, base)
40 
41 void dal_hw_hpd_init(
42 	struct hw_hpd **hw_hpd,
43 	struct dc_context *ctx,
44 	enum gpio_id id,
45 	uint32_t en);
46 
47 struct hw_gpio_pin *dal_hw_hpd_get_pin(struct gpio *gpio);
48 
49 #endif
50