Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
29static 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
36static 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
42static 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
47static void virtual_stream_encoder_lvds_set_stream_attribute(
48 struct stream_encoder *enc,
49 struct dc_crtc_timing *crtc_timing)
50{}
51
52static void virtual_stream_encoder_set_throttled_vcp_size(
53 struct stream_encoder *enc,
54 struct fixed31_32 avg_time_slots_per_mtp)
55{}
56
57static void virtual_stream_encoder_update_hdmi_info_packets(
58 struct stream_encoder *enc,
59 const struct encoder_info_frame *info_frame) {}
60
61static void virtual_stream_encoder_stop_hdmi_info_packets(
62 struct stream_encoder *enc) {}
63
64static void virtual_stream_encoder_set_avmute(
65 struct stream_encoder *enc,
66 bool enable) {}
67static void virtual_stream_encoder_update_dp_info_packets(
68 struct stream_encoder *enc,
69 const struct encoder_info_frame *info_frame) {}
70
71static void virtual_stream_encoder_stop_dp_info_packets(
72 struct stream_encoder *enc) {}
73
74static void virtual_stream_encoder_dp_blank(
75 struct dc_link *link,
76 struct stream_encoder *enc) {}
77
78static void virtual_stream_encoder_dp_unblank(
79 struct dc_link *link,
80 struct stream_encoder *enc,
81 const struct encoder_unblank_param *param) {}
82
83static void virtual_audio_mute_control(
84 struct stream_encoder *enc,
85 bool mute) {}
86
87static void virtual_stream_encoder_reset_hdmi_stream_attribute(
88 struct stream_encoder *enc)
89{}
90
91static void virtual_enc_dp_set_odm_combine(
92 struct stream_encoder *enc,
93 bool odm_combine)
94{}
95
96static void virtual_dig_connect_to_otg(
97 struct stream_encoder *enc,
98 int tg_inst)
99{}
100
101static void virtual_setup_stereo_sync(
102 struct stream_encoder *enc,
103 int tg_inst,
104 bool enable)
105{}
106
107static void virtual_stream_encoder_set_dsc_pps_info_packet(
108 struct stream_encoder *enc,
109 bool enable,
110 uint8_t *dsc_packed_pps,
111 bool immediate_update)
112{}
113
114static const struct stream_encoder_funcs virtual_str_enc_funcs = {
115 .dp_set_odm_combine =
116 virtual_enc_dp_set_odm_combine,
117 .dp_set_stream_attribute =
118 virtual_stream_encoder_dp_set_stream_attribute,
119 .hdmi_set_stream_attribute =
120 virtual_stream_encoder_hdmi_set_stream_attribute,
121 .dvi_set_stream_attribute =
122 virtual_stream_encoder_dvi_set_stream_attribute,
123 .lvds_set_stream_attribute =
124 virtual_stream_encoder_lvds_set_stream_attribute,
125 .set_throttled_vcp_size =
126 virtual_stream_encoder_set_throttled_vcp_size,
127 .update_hdmi_info_packets =
128 virtual_stream_encoder_update_hdmi_info_packets,
129 .stop_hdmi_info_packets =
130 virtual_stream_encoder_stop_hdmi_info_packets,
131 .update_dp_info_packets =
132 virtual_stream_encoder_update_dp_info_packets,
133 .stop_dp_info_packets =
134 virtual_stream_encoder_stop_dp_info_packets,
135 .dp_blank =
136 virtual_stream_encoder_dp_blank,
137 .dp_unblank =
138 virtual_stream_encoder_dp_unblank,
139
140 .audio_mute_control = virtual_audio_mute_control,
141 .set_avmute = virtual_stream_encoder_set_avmute,
142 .hdmi_reset_stream_attribute = virtual_stream_encoder_reset_hdmi_stream_attribute,
143 .dig_connect_to_otg = virtual_dig_connect_to_otg,
144 .setup_stereo_sync = virtual_setup_stereo_sync,
145 .dp_set_dsc_pps_info_packet = virtual_stream_encoder_set_dsc_pps_info_packet,
146};
147
148bool virtual_stream_encoder_construct(
149 struct stream_encoder *enc,
150 struct dc_context *ctx,
151 struct dc_bios *bp)
152{
153 if (!enc)
154 return false;
155 if (!bp)
156 return false;
157
158 enc->funcs = &virtual_str_enc_funcs;
159 enc->ctx = ctx;
160 enc->id = ENGINE_ID_VIRTUAL;
161 enc->bp = bp;
162
163 return true;
164}
165
166struct stream_encoder *virtual_stream_encoder_create(
167 struct dc_context *ctx, struct dc_bios *bp)
168{
169 struct stream_encoder *enc = kzalloc(sizeof(*enc), GFP_KERNEL);
170
171 if (!enc)
172 return NULL;
173
174 if (virtual_stream_encoder_construct(enc, ctx, bp))
175 return enc;
176
177 BREAK_TO_DEBUGGER();
178 kfree(enc);
179 return NULL;
180}
181