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
virtual_link_encoder_validate_output_with_stream(struct link_encoder * enc,const struct dc_stream_state * stream)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
virtual_link_encoder_hw_init(struct link_encoder * enc)35 static void virtual_link_encoder_hw_init(struct link_encoder *enc) {}
36
virtual_link_encoder_setup(struct link_encoder * enc,enum signal_type signal)37 static void virtual_link_encoder_setup(
38 struct link_encoder *enc,
39 enum signal_type signal) {}
40
virtual_link_encoder_enable_tmds_output(struct link_encoder * enc,enum clock_source_id clock_source,enum dc_color_depth color_depth,enum signal_type signal,uint32_t pixel_clock)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
virtual_link_encoder_enable_dp_output(struct link_encoder * enc,const struct dc_link_settings * link_settings,enum clock_source_id clock_source)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
virtual_link_encoder_enable_dp_mst_output(struct link_encoder * enc,const struct dc_link_settings * link_settings,enum clock_source_id clock_source)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
virtual_link_encoder_disable_output(struct link_encoder * link_enc,enum signal_type signal)58 static void virtual_link_encoder_disable_output(
59 struct link_encoder *link_enc,
60 enum signal_type signal) {}
61
virtual_link_encoder_dp_set_lane_settings(struct link_encoder * enc,const struct dc_link_settings * link_settings,const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX])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
virtual_link_encoder_dp_set_phy_pattern(struct link_encoder * enc,const struct encoder_set_dp_phy_pattern_param * param)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
virtual_link_encoder_update_mst_stream_allocation_table(struct link_encoder * enc,const struct link_mst_stream_allocation_table * table)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
virtual_link_encoder_connect_dig_be_to_fe(struct link_encoder * enc,enum engine_id engine,bool connect)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
virtual_link_encoder_destroy(struct link_encoder ** enc)80 static void virtual_link_encoder_destroy(struct link_encoder **enc)
81 {
82 kfree(*enc);
83 *enc = NULL;
84 }
85
virtual_link_encoder_get_max_link_cap(struct link_encoder * enc,struct dc_link_settings * link_settings)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
virtual_link_encoder_construct(struct link_encoder * enc,const struct encoder_init_data * init_data)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