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 
31 static bool virtual_link_encoder_validate_output_with_stream(
32 	struct link_encoder *enc,
33 	const struct dc_stream_state *stream) { return true; }
34 
35 static void virtual_link_encoder_hw_init(struct link_encoder *enc) {}
36 
37 static void virtual_link_encoder_setup(
38 	struct link_encoder *enc,
39 	enum signal_type signal) {}
40 
41 static 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 
49 static 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 
54 static 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 
59 static void virtual_link_encoder_disable_output(
60 	struct link_encoder *link_enc,
61 	enum signal_type signal,
62 	struct dc_link *link) {}
63 
64 static void virtual_link_encoder_dp_set_lane_settings(
65 	struct link_encoder *enc,
66 	const struct link_training_settings *link_settings) {}
67 
68 static void virtual_link_encoder_dp_set_phy_pattern(
69 	struct link_encoder *enc,
70 	const struct encoder_set_dp_phy_pattern_param *param) {}
71 
72 static void virtual_link_encoder_update_mst_stream_allocation_table(
73 	struct link_encoder *enc,
74 	const struct link_mst_stream_allocation_table *table) {}
75 
76 static void virtual_link_encoder_connect_dig_be_to_fe(
77 	struct link_encoder *enc,
78 	enum engine_id engine,
79 	bool connect) {}
80 
81 static void virtual_link_encoder_destroy(struct link_encoder **enc)
82 {
83 	kfree(*enc);
84 	*enc = NULL;
85 }
86 
87 
88 static const struct link_encoder_funcs virtual_lnk_enc_funcs = {
89 	.validate_output_with_stream =
90 		virtual_link_encoder_validate_output_with_stream,
91 	.hw_init = virtual_link_encoder_hw_init,
92 	.setup = virtual_link_encoder_setup,
93 	.enable_tmds_output = virtual_link_encoder_enable_tmds_output,
94 	.enable_dp_output = virtual_link_encoder_enable_dp_output,
95 	.enable_dp_mst_output = virtual_link_encoder_enable_dp_mst_output,
96 	.disable_output = virtual_link_encoder_disable_output,
97 	.dp_set_lane_settings = virtual_link_encoder_dp_set_lane_settings,
98 	.dp_set_phy_pattern = virtual_link_encoder_dp_set_phy_pattern,
99 	.update_mst_stream_allocation_table =
100 		virtual_link_encoder_update_mst_stream_allocation_table,
101 	.connect_dig_be_to_fe = virtual_link_encoder_connect_dig_be_to_fe,
102 	.destroy = virtual_link_encoder_destroy
103 };
104 
105 bool virtual_link_encoder_construct(
106 	struct link_encoder *enc, const struct encoder_init_data *init_data)
107 {
108 	enc->funcs = &virtual_lnk_enc_funcs;
109 	enc->ctx = init_data->ctx;
110 	enc->id = init_data->encoder;
111 
112 	enc->hpd_source = init_data->hpd_source;
113 	enc->connector = init_data->connector;
114 
115 	enc->transmitter = init_data->transmitter;
116 
117 	enc->output_signals = SIGNAL_TYPE_VIRTUAL;
118 
119 	enc->preferred_engine = ENGINE_ID_VIRTUAL;
120 
121 	return true;
122 }
123 
124 
125