Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
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#include "dm_services.h"
27#include "dm_services_types.h"
28
29#include "virtual_link_encoder.h"
30
31static bool virtual_link_encoder_validate_output_with_stream(
32 struct link_encoder *enc,
33 const struct dc_stream_state *stream) { return true; }
34
35static void virtual_link_encoder_hw_init(struct link_encoder *enc) {}
36
37static void virtual_link_encoder_setup(
38 struct link_encoder *enc,
39 enum signal_type signal) {}
40
41static void virtual_link_encoder_enable_tmds_output(
42 struct link_encoder *enc,
43 enum clock_source_id clock_source,
44 enum dc_color_depth color_depth,
45 bool hdmi,
46 bool dual_link,
47 uint32_t pixel_clock) {}
48
49static void virtual_link_encoder_enable_dp_output(
50 struct link_encoder *enc,
51 const struct dc_link_settings *link_settings,
52 enum clock_source_id clock_source) {}
53
54static void virtual_link_encoder_enable_dp_mst_output(
55 struct link_encoder *enc,
56 const struct dc_link_settings *link_settings,
57 enum clock_source_id clock_source) {}
58
59static void virtual_link_encoder_disable_output(
60 struct link_encoder *link_enc,
61 enum signal_type signal) {}
62
63static void virtual_link_encoder_dp_set_lane_settings(
64 struct link_encoder *enc,
65 const struct link_training_settings *link_settings) {}
66
67static void virtual_link_encoder_dp_set_phy_pattern(
68 struct link_encoder *enc,
69 const struct encoder_set_dp_phy_pattern_param *param) {}
70
71static void virtual_link_encoder_update_mst_stream_allocation_table(
72 struct link_encoder *enc,
73 const struct link_mst_stream_allocation_table *table) {}
74
75static void virtual_link_encoder_connect_dig_be_to_fe(
76 struct link_encoder *enc,
77 enum engine_id engine,
78 bool connect) {}
79
80static void virtual_link_encoder_destroy(struct link_encoder **enc)
81{
82 kfree(*enc);
83 *enc = NULL;
84}
85
86
87static const struct link_encoder_funcs virtual_lnk_enc_funcs = {
88 .validate_output_with_stream =
89 virtual_link_encoder_validate_output_with_stream,
90 .hw_init = virtual_link_encoder_hw_init,
91 .setup = virtual_link_encoder_setup,
92 .enable_tmds_output = virtual_link_encoder_enable_tmds_output,
93 .enable_dp_output = virtual_link_encoder_enable_dp_output,
94 .enable_dp_mst_output = virtual_link_encoder_enable_dp_mst_output,
95 .disable_output = virtual_link_encoder_disable_output,
96 .dp_set_lane_settings = virtual_link_encoder_dp_set_lane_settings,
97 .dp_set_phy_pattern = virtual_link_encoder_dp_set_phy_pattern,
98 .update_mst_stream_allocation_table =
99 virtual_link_encoder_update_mst_stream_allocation_table,
100 .connect_dig_be_to_fe = virtual_link_encoder_connect_dig_be_to_fe,
101 .destroy = virtual_link_encoder_destroy
102};
103
104bool virtual_link_encoder_construct(
105 struct link_encoder *enc, const struct encoder_init_data *init_data)
106{
107 enc->funcs = &virtual_lnk_enc_funcs;
108 enc->ctx = init_data->ctx;
109 enc->id = init_data->encoder;
110
111 enc->hpd_source = init_data->hpd_source;
112 enc->connector = init_data->connector;
113
114 enc->transmitter = init_data->transmitter;
115
116 enc->output_signals = SIGNAL_TYPE_VIRTUAL;
117
118 enc->preferred_engine = ENGINE_ID_VIRTUAL;
119
120 return true;
121}
122
123