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	enum signal_type signal,
46	uint32_t pixel_clock) {}
47
48static 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
53static 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
58static void virtual_link_encoder_disable_output(
59	struct link_encoder *link_enc,
60	enum signal_type signal) {}
61
62static 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
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
86static 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
95static 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
113bool 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