Line data Source code
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 0 : static bool virtual_link_encoder_validate_output_with_stream(
32 : struct link_encoder *enc,
33 0 : const struct dc_stream_state *stream) { return true; }
34 :
35 0 : static void virtual_link_encoder_hw_init(struct link_encoder *enc) {}
36 :
37 0 : static void virtual_link_encoder_setup(
38 : struct link_encoder *enc,
39 0 : enum signal_type signal) {}
40 :
41 0 : 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 : enum signal_type signal,
46 0 : uint32_t pixel_clock) {}
47 :
48 0 : static void virtual_link_encoder_enable_dp_output(
49 : struct link_encoder *enc,
50 : const struct dc_link_settings *link_settings,
51 0 : enum clock_source_id clock_source) {}
52 :
53 0 : static void virtual_link_encoder_enable_dp_mst_output(
54 : struct link_encoder *enc,
55 : const struct dc_link_settings *link_settings,
56 0 : enum clock_source_id clock_source) {}
57 :
58 0 : static void virtual_link_encoder_disable_output(
59 : struct link_encoder *link_enc,
60 0 : enum signal_type signal) {}
61 :
62 0 : static void virtual_link_encoder_dp_set_lane_settings(
63 : struct link_encoder *enc,
64 : const struct dc_link_settings *link_settings,
65 0 : const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX]) {}
66 :
67 0 : static void virtual_link_encoder_dp_set_phy_pattern(
68 : struct link_encoder *enc,
69 0 : const struct encoder_set_dp_phy_pattern_param *param) {}
70 :
71 0 : static void virtual_link_encoder_update_mst_stream_allocation_table(
72 : struct link_encoder *enc,
73 0 : const struct link_mst_stream_allocation_table *table) {}
74 :
75 0 : static void virtual_link_encoder_connect_dig_be_to_fe(
76 : struct link_encoder *enc,
77 : enum engine_id engine,
78 0 : bool connect) {}
79 :
80 0 : static void virtual_link_encoder_destroy(struct link_encoder **enc)
81 : {
82 0 : kfree(*enc);
83 0 : *enc = NULL;
84 0 : }
85 :
86 0 : static void virtual_link_encoder_get_max_link_cap(struct link_encoder *enc,
87 : struct dc_link_settings *link_settings)
88 : {
89 : /* Set Default link settings */
90 0 : struct dc_link_settings max_link_cap = {LANE_COUNT_FOUR, LINK_RATE_HIGH,
91 : LINK_SPREAD_05_DOWNSPREAD_30KHZ, false, 0};
92 0 : *link_settings = max_link_cap;
93 0 : }
94 :
95 : static const struct link_encoder_funcs virtual_lnk_enc_funcs = {
96 : .validate_output_with_stream =
97 : virtual_link_encoder_validate_output_with_stream,
98 : .hw_init = virtual_link_encoder_hw_init,
99 : .setup = virtual_link_encoder_setup,
100 : .enable_tmds_output = virtual_link_encoder_enable_tmds_output,
101 : .enable_dp_output = virtual_link_encoder_enable_dp_output,
102 : .enable_dp_mst_output = virtual_link_encoder_enable_dp_mst_output,
103 : .disable_output = virtual_link_encoder_disable_output,
104 : .get_max_link_cap = virtual_link_encoder_get_max_link_cap,
105 : .dp_set_lane_settings = virtual_link_encoder_dp_set_lane_settings,
106 : .dp_set_phy_pattern = virtual_link_encoder_dp_set_phy_pattern,
107 : .update_mst_stream_allocation_table =
108 : virtual_link_encoder_update_mst_stream_allocation_table,
109 : .connect_dig_be_to_fe = virtual_link_encoder_connect_dig_be_to_fe,
110 : .destroy = virtual_link_encoder_destroy
111 : };
112 :
113 0 : bool virtual_link_encoder_construct(
114 : struct link_encoder *enc, const struct encoder_init_data *init_data)
115 : {
116 0 : enc->funcs = &virtual_lnk_enc_funcs;
117 0 : enc->ctx = init_data->ctx;
118 0 : enc->id = init_data->encoder;
119 :
120 0 : enc->hpd_source = init_data->hpd_source;
121 0 : enc->connector = init_data->connector;
122 :
123 0 : enc->transmitter = init_data->transmitter;
124 :
125 0 : enc->output_signals = SIGNAL_TYPE_VIRTUAL;
126 :
127 0 : enc->preferred_engine = ENGINE_ID_VIRTUAL;
128 :
129 0 : return true;
130 : }
131 :
132 :
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