tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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_INTERFACE_H__
27#define __DAL_GPIO_SERVICE_INTERFACE_H__
28
29#include "gpio_types.h"
30#include "gpio_interface.h"
31#include "hw/gpio.h"
32
33struct gpio_service;
34
35struct gpio *dal_gpio_create(
36 struct gpio_service *service,
37 enum gpio_id id,
38 uint32_t en,
39 enum gpio_pin_output_state output_state);
40
41void dal_gpio_destroy(
42 struct gpio **ptr);
43
44struct gpio_service *dal_gpio_service_create(
45 enum dce_version dce_version,
46 enum dce_environment dce_environment,
47 struct dc_context *ctx);
48
49struct gpio *dal_gpio_service_create_irq(
50 struct gpio_service *service,
51 uint32_t offset,
52 uint32_t mask);
53
54struct gpio *dal_gpio_service_create_generic_mux(
55 struct gpio_service *service,
56 uint32_t offset,
57 uint32_t mask);
58
59void dal_gpio_destroy_generic_mux(
60 struct gpio **mux);
61
62enum gpio_result dal_mux_setup_config(
63 struct gpio *mux,
64 struct gpio_generic_mux_config *config);
65
66struct gpio_pin_info dal_gpio_get_generic_pin_info(
67 struct gpio_service *service,
68 enum gpio_id id,
69 uint32_t en);
70
71struct ddc *dal_gpio_create_ddc(
72 struct gpio_service *service,
73 uint32_t offset,
74 uint32_t mask,
75 struct gpio_ddc_hw_info *info);
76
77void dal_gpio_destroy_ddc(
78 struct ddc **ddc);
79
80void dal_gpio_service_destroy(
81 struct gpio_service **ptr);
82
83enum dc_irq_source dal_irq_get_source(
84 const struct gpio *irq);
85
86enum dc_irq_source dal_irq_get_rx_source(
87 const struct gpio *irq);
88
89enum dc_irq_source dal_irq_get_read_request(
90 const struct gpio *irq);
91
92enum gpio_result dal_irq_setup_hpd_filter(
93 struct gpio *irq,
94 struct gpio_hpd_config *config);
95
96struct gpio *dal_gpio_create_irq(
97 struct gpio_service *service,
98 enum gpio_id id,
99 uint32_t en);
100
101void dal_gpio_destroy_irq(
102 struct gpio **ptr);
103
104
105enum gpio_result dal_ddc_open(
106 struct ddc *ddc,
107 enum gpio_mode mode,
108 enum gpio_ddc_config_type config_type);
109
110enum gpio_result dal_ddc_change_mode(
111 struct ddc *ddc,
112 enum gpio_mode mode);
113
114enum gpio_ddc_line dal_ddc_get_line(
115 const struct ddc *ddc);
116
117enum gpio_result dal_ddc_set_config(
118 struct ddc *ddc,
119 enum gpio_ddc_config_type config_type);
120
121void dal_ddc_close(
122 struct ddc *ddc);
123
124#endif