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 "virtual_stream_encoder.h"
28 
29 static void virtual_stream_encoder_dp_set_stream_attribute(
30 	struct stream_encoder *enc,
31 	struct dc_crtc_timing *crtc_timing,
32 	enum dc_color_space output_color_space,
33 	bool use_vsc_sdp_for_colorimetry,
34 	uint32_t enable_sdp_splitting) {}
35 
36 static void virtual_stream_encoder_hdmi_set_stream_attribute(
37 	struct stream_encoder *enc,
38 	struct dc_crtc_timing *crtc_timing,
39 	int actual_pix_clk_khz,
40 	bool enable_audio) {}
41 
42 static void virtual_stream_encoder_dvi_set_stream_attribute(
43 	struct stream_encoder *enc,
44 	struct dc_crtc_timing *crtc_timing,
45 	bool is_dual_link) {}
46 
47 static void virtual_stream_encoder_set_throttled_vcp_size(
48 	struct stream_encoder *enc,
49 	struct fixed31_32 avg_time_slots_per_mtp)
50 {}
51 
52 static void virtual_stream_encoder_update_hdmi_info_packets(
53 	struct stream_encoder *enc,
54 	const struct encoder_info_frame *info_frame) {}
55 
56 static void virtual_stream_encoder_stop_hdmi_info_packets(
57 	struct stream_encoder *enc) {}
58 
59 static void virtual_stream_encoder_set_avmute(
60 	struct stream_encoder *enc,
61 	bool enable) {}
62 static void virtual_stream_encoder_update_dp_info_packets(
63 	struct stream_encoder *enc,
64 	const struct encoder_info_frame *info_frame) {}
65 
66 static void virtual_stream_encoder_stop_dp_info_packets(
67 	struct stream_encoder *enc) {}
68 
69 static void virtual_stream_encoder_dp_blank(
70 	struct dc_link *link,
71 	struct stream_encoder *enc) {}
72 
73 static void virtual_stream_encoder_dp_unblank(
74 	struct dc_link *link,
75 	struct stream_encoder *enc,
76 	const struct encoder_unblank_param *param) {}
77 
78 static void virtual_audio_mute_control(
79 	struct stream_encoder *enc,
80 	bool mute) {}
81 
82 static void virtual_stream_encoder_reset_hdmi_stream_attribute(
83 		struct stream_encoder *enc)
84 {}
85 
86 static void virtual_enc_dp_set_odm_combine(
87 	struct stream_encoder *enc,
88 	bool odm_combine)
89 {}
90 
91 static void virtual_dig_connect_to_otg(
92 		struct stream_encoder *enc,
93 		int tg_inst)
94 {}
95 
96 static void virtual_setup_stereo_sync(
97 			struct stream_encoder *enc,
98 			int tg_inst,
99 			bool enable)
100 {}
101 
102 static void virtual_stream_encoder_set_dsc_pps_info_packet(
103 		struct stream_encoder *enc,
104 		bool enable,
105 		uint8_t *dsc_packed_pps,
106 		bool immediate_update)
107 {}
108 
109 static const struct stream_encoder_funcs virtual_str_enc_funcs = {
110 	.dp_set_odm_combine =
111 		virtual_enc_dp_set_odm_combine,
112 	.dp_set_stream_attribute =
113 		virtual_stream_encoder_dp_set_stream_attribute,
114 	.hdmi_set_stream_attribute =
115 		virtual_stream_encoder_hdmi_set_stream_attribute,
116 	.dvi_set_stream_attribute =
117 		virtual_stream_encoder_dvi_set_stream_attribute,
118 	.set_throttled_vcp_size =
119 		virtual_stream_encoder_set_throttled_vcp_size,
120 	.update_hdmi_info_packets =
121 		virtual_stream_encoder_update_hdmi_info_packets,
122 	.stop_hdmi_info_packets =
123 		virtual_stream_encoder_stop_hdmi_info_packets,
124 	.update_dp_info_packets =
125 		virtual_stream_encoder_update_dp_info_packets,
126 	.stop_dp_info_packets =
127 		virtual_stream_encoder_stop_dp_info_packets,
128 	.dp_blank =
129 		virtual_stream_encoder_dp_blank,
130 	.dp_unblank =
131 		virtual_stream_encoder_dp_unblank,
132 
133 	.audio_mute_control = virtual_audio_mute_control,
134 	.set_avmute = virtual_stream_encoder_set_avmute,
135 	.hdmi_reset_stream_attribute = virtual_stream_encoder_reset_hdmi_stream_attribute,
136 	.dig_connect_to_otg = virtual_dig_connect_to_otg,
137 	.setup_stereo_sync = virtual_setup_stereo_sync,
138 	.dp_set_dsc_pps_info_packet = virtual_stream_encoder_set_dsc_pps_info_packet,
139 };
140 
141 bool virtual_stream_encoder_construct(
142 	struct stream_encoder *enc,
143 	struct dc_context *ctx,
144 	struct dc_bios *bp)
145 {
146 	if (!enc)
147 		return false;
148 	if (!bp)
149 		return false;
150 
151 	enc->funcs = &virtual_str_enc_funcs;
152 	enc->ctx = ctx;
153 	enc->id = ENGINE_ID_VIRTUAL;
154 	enc->bp = bp;
155 
156 	return true;
157 }
158 
159 struct stream_encoder *virtual_stream_encoder_create(
160 	struct dc_context *ctx, struct dc_bios *bp)
161 {
162 	struct stream_encoder *enc = kzalloc(sizeof(*enc), GFP_KERNEL);
163 
164 	if (!enc)
165 		return NULL;
166 
167 	if (virtual_stream_encoder_construct(enc, ctx, bp))
168 		return enc;
169 
170 	BREAK_TO_DEBUGGER();
171 	kfree(enc);
172 	return NULL;
173 }
174 
175