1/*
 2 * Copyright 2012-16 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_H__
27#define __DAL_GPIO_H__
28
29#include "gpio_types.h"
30
31struct gpio {
32	struct gpio_service *service;
33	struct hw_gpio_pin *pin;
34	enum gpio_id id;
35	uint32_t en;
36	enum gpio_mode mode;
37	/* when GPIO comes from VBIOS, it has defined output state */
38	enum gpio_pin_output_state output_state;
39};
40
41#if 0
42struct gpio_funcs {
43
44	struct hw_gpio_pin *(*create_ddc_data)(
45		struct dc_context *ctx,
46		enum gpio_id id,
47		uint32_t en);
48	struct hw_gpio_pin *(*create_ddc_clock)(
49		struct dc_context *ctx,
50		enum gpio_id id,
51		uint32_t en);
52	struct hw_gpio_pin *(*create_generic)(
53		struct dc_context *ctx,
54		enum gpio_id id,
55		uint32_t en);
56	struct hw_gpio_pin *(*create_hpd)(
57		struct dc_context *ctx,
58		enum gpio_id id,
59		uint32_t en);
60	struct hw_gpio_pin *(*create_gpio_pad)(
61		struct dc_context *ctx,
62		enum gpio_id id,
63		uint32_t en);
64	struct hw_gpio_pin *(*create_sync)(
65		struct dc_context *ctx,
66		enum gpio_id id,
67		uint32_t en);
68	struct hw_gpio_pin *(*create_gsl)(
69		struct dc_context *ctx,
70		enum gpio_id id,
71		uint32_t en);
72
73	/* HW translation */
74	bool (*offset_to_id)(
75		uint32_t offset,
76		uint32_t mask,
77		enum gpio_id *id,
78		uint32_t *en);
79	bool (*id_to_offset)(
80		enum gpio_id id,
81		uint32_t en,
82		struct gpio_pin_info *info);
83};
84#endif
85
86#endif  /* __DAL_GPIO__ */