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
virtual_stream_encoder_dp_set_stream_attribute(struct stream_encoder * enc,struct dc_crtc_timing * crtc_timing,enum dc_color_space output_color_space)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
virtual_stream_encoder_hdmi_set_stream_attribute(struct stream_encoder * enc,struct dc_crtc_timing * crtc_timing,int actual_pix_clk_khz,bool enable_audio)34 static void virtual_stream_encoder_hdmi_set_stream_attribute(
35 struct stream_encoder *enc,
36 struct dc_crtc_timing *crtc_timing,
37 int actual_pix_clk_khz,
38 bool enable_audio) {}
39
virtual_stream_encoder_dvi_set_stream_attribute(struct stream_encoder * enc,struct dc_crtc_timing * crtc_timing,bool is_dual_link)40 static void virtual_stream_encoder_dvi_set_stream_attribute(
41 struct stream_encoder *enc,
42 struct dc_crtc_timing *crtc_timing,
43 bool is_dual_link) {}
44
virtual_stream_encoder_set_mst_bandwidth(struct stream_encoder * enc,struct fixed31_32 avg_time_slots_per_mtp)45 static void virtual_stream_encoder_set_mst_bandwidth(
46 struct stream_encoder *enc,
47 struct fixed31_32 avg_time_slots_per_mtp) {}
48
virtual_stream_encoder_update_hdmi_info_packets(struct stream_encoder * enc,const struct encoder_info_frame * info_frame)49 static void virtual_stream_encoder_update_hdmi_info_packets(
50 struct stream_encoder *enc,
51 const struct encoder_info_frame *info_frame) {}
52
virtual_stream_encoder_stop_hdmi_info_packets(struct stream_encoder * enc)53 static void virtual_stream_encoder_stop_hdmi_info_packets(
54 struct stream_encoder *enc) {}
55
virtual_stream_encoder_set_avmute(struct stream_encoder * enc,bool enable)56 static void virtual_stream_encoder_set_avmute(
57 struct stream_encoder *enc,
58 bool enable) {}
virtual_stream_encoder_update_dp_info_packets(struct stream_encoder * enc,const struct encoder_info_frame * info_frame)59 static void virtual_stream_encoder_update_dp_info_packets(
60 struct stream_encoder *enc,
61 const struct encoder_info_frame *info_frame) {}
62
virtual_stream_encoder_stop_dp_info_packets(struct stream_encoder * enc)63 static void virtual_stream_encoder_stop_dp_info_packets(
64 struct stream_encoder *enc) {}
65
virtual_stream_encoder_dp_blank(struct stream_encoder * enc)66 static void virtual_stream_encoder_dp_blank(
67 struct stream_encoder *enc) {}
68
virtual_stream_encoder_dp_unblank(struct stream_encoder * enc,const struct encoder_unblank_param * param)69 static void virtual_stream_encoder_dp_unblank(
70 struct stream_encoder *enc,
71 const struct encoder_unblank_param *param) {}
72
virtual_audio_mute_control(struct stream_encoder * enc,bool mute)73 static void virtual_audio_mute_control(
74 struct stream_encoder *enc,
75 bool mute) {}
76
77 static const struct stream_encoder_funcs virtual_str_enc_funcs = {
78 .dp_set_stream_attribute =
79 virtual_stream_encoder_dp_set_stream_attribute,
80 .hdmi_set_stream_attribute =
81 virtual_stream_encoder_hdmi_set_stream_attribute,
82 .dvi_set_stream_attribute =
83 virtual_stream_encoder_dvi_set_stream_attribute,
84 .set_mst_bandwidth =
85 virtual_stream_encoder_set_mst_bandwidth,
86 .update_hdmi_info_packets =
87 virtual_stream_encoder_update_hdmi_info_packets,
88 .stop_hdmi_info_packets =
89 virtual_stream_encoder_stop_hdmi_info_packets,
90 .update_dp_info_packets =
91 virtual_stream_encoder_update_dp_info_packets,
92 .stop_dp_info_packets =
93 virtual_stream_encoder_stop_dp_info_packets,
94 .dp_blank =
95 virtual_stream_encoder_dp_blank,
96 .dp_unblank =
97 virtual_stream_encoder_dp_unblank,
98
99 .audio_mute_control = virtual_audio_mute_control,
100 .set_avmute = virtual_stream_encoder_set_avmute,
101 };
102
virtual_stream_encoder_construct(struct stream_encoder * enc,struct dc_context * ctx,struct dc_bios * bp)103 bool virtual_stream_encoder_construct(
104 struct stream_encoder *enc,
105 struct dc_context *ctx,
106 struct dc_bios *bp)
107 {
108 if (!enc)
109 return false;
110 if (!bp)
111 return false;
112
113 enc->funcs = &virtual_str_enc_funcs;
114 enc->ctx = ctx;
115 enc->id = ENGINE_ID_VIRTUAL;
116 enc->bp = bp;
117
118 return true;
119 }
120
virtual_stream_encoder_create(struct dc_context * ctx,struct dc_bios * bp)121 struct stream_encoder *virtual_stream_encoder_create(
122 struct dc_context *ctx, struct dc_bios *bp)
123 {
124 struct stream_encoder *enc = kzalloc(sizeof(*enc), GFP_KERNEL);
125
126 if (!enc)
127 return NULL;
128
129 if (virtual_stream_encoder_construct(enc, ctx, bp))
130 return enc;
131
132 BREAK_TO_DEBUGGER();
133 kfree(enc);
134 return NULL;
135 }
136
137