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 | enum signal_type signal, |
46 | uint32_t pixel_clock) {} |
47 | |
48 | static void virtual_link_encoder_enable_dp_output( |
49 | struct link_encoder *enc, |
50 | const struct dc_link_settings *link_settings, |
51 | enum clock_source_id clock_source) {} |
52 | |
53 | static void virtual_link_encoder_enable_dp_mst_output( |
54 | struct link_encoder *enc, |
55 | const struct dc_link_settings *link_settings, |
56 | enum clock_source_id clock_source) {} |
57 | |
58 | static void virtual_link_encoder_disable_output( |
59 | struct link_encoder *link_enc, |
60 | enum signal_type signal) {} |
61 | |
62 | static void virtual_link_encoder_dp_set_lane_settings( |
63 | struct link_encoder *enc, |
64 | const struct dc_link_settings *link_settings, |
65 | const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX]) {} |
66 | |
67 | static void virtual_link_encoder_dp_set_phy_pattern( |
68 | struct link_encoder *enc, |
69 | const struct encoder_set_dp_phy_pattern_param *param) {} |
70 | |
71 | static void virtual_link_encoder_update_mst_stream_allocation_table( |
72 | struct link_encoder *enc, |
73 | const struct link_mst_stream_allocation_table *table) {} |
74 | |
75 | static void virtual_link_encoder_connect_dig_be_to_fe( |
76 | struct link_encoder *enc, |
77 | enum engine_id engine, |
78 | bool connect) {} |
79 | |
80 | static void virtual_link_encoder_destroy(struct link_encoder **enc) |
81 | { |
82 | kfree(objp: *enc); |
83 | *enc = NULL; |
84 | } |
85 | |
86 | 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 | struct dc_link_settings max_link_cap = {LANE_COUNT_FOUR, LINK_RATE_HIGH, |
91 | LINK_SPREAD_05_DOWNSPREAD_30KHZ, false, 0}; |
92 | *link_settings = max_link_cap; |
93 | } |
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 | bool virtual_link_encoder_construct( |
114 | struct link_encoder *enc, const struct encoder_init_data *init_data) |
115 | { |
116 | enc->funcs = &virtual_lnk_enc_funcs; |
117 | enc->ctx = init_data->ctx; |
118 | enc->id = init_data->encoder; |
119 | |
120 | enc->hpd_source = init_data->hpd_source; |
121 | enc->connector = init_data->connector; |
122 | |
123 | enc->transmitter = init_data->transmitter; |
124 | |
125 | enc->output_signals = SIGNAL_TYPE_VIRTUAL; |
126 | |
127 | enc->preferred_engine = ENGINE_ID_VIRTUAL; |
128 | |
129 | return true; |
130 | } |
131 | |
132 | |
133 | |