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 <linux/slab.h>
27
28 #include "dm_services.h"
29 #include "virtual_stream_encoder.h"
30
virtual_stream_encoder_dp_set_stream_attribute(struct stream_encoder * enc,struct dc_crtc_timing * crtc_timing,enum dc_color_space output_color_space,bool use_vsc_sdp_for_colorimetry,uint32_t enable_sdp_splitting)31 static void virtual_stream_encoder_dp_set_stream_attribute(
32 struct stream_encoder *enc,
33 struct dc_crtc_timing *crtc_timing,
34 enum dc_color_space output_color_space,
35 bool use_vsc_sdp_for_colorimetry,
36 uint32_t enable_sdp_splitting) {}
37
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)38 static void virtual_stream_encoder_hdmi_set_stream_attribute(
39 struct stream_encoder *enc,
40 struct dc_crtc_timing *crtc_timing,
41 int actual_pix_clk_khz,
42 bool enable_audio) {}
43
virtual_stream_encoder_dvi_set_stream_attribute(struct stream_encoder * enc,struct dc_crtc_timing * crtc_timing,bool is_dual_link)44 static void virtual_stream_encoder_dvi_set_stream_attribute(
45 struct stream_encoder *enc,
46 struct dc_crtc_timing *crtc_timing,
47 bool is_dual_link) {}
48
virtual_stream_encoder_set_throttled_vcp_size(struct stream_encoder * enc,struct fixed31_32 avg_time_slots_per_mtp)49 static void virtual_stream_encoder_set_throttled_vcp_size(
50 struct stream_encoder *enc,
51 struct fixed31_32 avg_time_slots_per_mtp)
52 {}
53
virtual_stream_encoder_update_hdmi_info_packets(struct stream_encoder * enc,const struct encoder_info_frame * info_frame)54 static void virtual_stream_encoder_update_hdmi_info_packets(
55 struct stream_encoder *enc,
56 const struct encoder_info_frame *info_frame) {}
57
virtual_stream_encoder_stop_hdmi_info_packets(struct stream_encoder * enc)58 static void virtual_stream_encoder_stop_hdmi_info_packets(
59 struct stream_encoder *enc) {}
60
virtual_stream_encoder_set_avmute(struct stream_encoder * enc,bool enable)61 static void virtual_stream_encoder_set_avmute(
62 struct stream_encoder *enc,
63 bool enable) {}
virtual_stream_encoder_update_dp_info_packets(struct stream_encoder * enc,const struct encoder_info_frame * info_frame)64 static void virtual_stream_encoder_update_dp_info_packets(
65 struct stream_encoder *enc,
66 const struct encoder_info_frame *info_frame) {}
67
virtual_stream_encoder_stop_dp_info_packets(struct stream_encoder * enc)68 static void virtual_stream_encoder_stop_dp_info_packets(
69 struct stream_encoder *enc) {}
70
virtual_stream_encoder_dp_blank(struct stream_encoder * enc)71 static void virtual_stream_encoder_dp_blank(
72 struct stream_encoder *enc) {}
73
virtual_stream_encoder_dp_unblank(struct stream_encoder * enc,const struct encoder_unblank_param * param)74 static void virtual_stream_encoder_dp_unblank(
75 struct stream_encoder *enc,
76 const struct encoder_unblank_param *param) {}
77
virtual_audio_mute_control(struct stream_encoder * enc,bool mute)78 static void virtual_audio_mute_control(
79 struct stream_encoder *enc,
80 bool mute) {}
81
virtual_stream_encoder_reset_hdmi_stream_attribute(struct stream_encoder * enc)82 static void virtual_stream_encoder_reset_hdmi_stream_attribute(
83 struct stream_encoder *enc)
84 {}
85
virtual_enc_dp_set_odm_combine(struct stream_encoder * enc,bool odm_combine)86 static void virtual_enc_dp_set_odm_combine(
87 struct stream_encoder *enc,
88 bool odm_combine)
89 {}
90
virtual_dig_connect_to_otg(struct stream_encoder * enc,int tg_inst)91 static void virtual_dig_connect_to_otg(
92 struct stream_encoder *enc,
93 int tg_inst)
94 {}
95
virtual_setup_stereo_sync(struct stream_encoder * enc,int tg_inst,bool enable)96 static void virtual_setup_stereo_sync(
97 struct stream_encoder *enc,
98 int tg_inst,
99 bool enable)
100 {}
101
virtual_stream_encoder_set_dsc_pps_info_packet(struct stream_encoder * enc,bool enable,uint8_t * dsc_packed_pps)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 {}
107
108 static const struct stream_encoder_funcs virtual_str_enc_funcs = {
109 .dp_set_odm_combine =
110 virtual_enc_dp_set_odm_combine,
111 .dp_set_stream_attribute =
112 virtual_stream_encoder_dp_set_stream_attribute,
113 .hdmi_set_stream_attribute =
114 virtual_stream_encoder_hdmi_set_stream_attribute,
115 .dvi_set_stream_attribute =
116 virtual_stream_encoder_dvi_set_stream_attribute,
117 .set_throttled_vcp_size =
118 virtual_stream_encoder_set_throttled_vcp_size,
119 .update_hdmi_info_packets =
120 virtual_stream_encoder_update_hdmi_info_packets,
121 .stop_hdmi_info_packets =
122 virtual_stream_encoder_stop_hdmi_info_packets,
123 .update_dp_info_packets =
124 virtual_stream_encoder_update_dp_info_packets,
125 .stop_dp_info_packets =
126 virtual_stream_encoder_stop_dp_info_packets,
127 .dp_blank =
128 virtual_stream_encoder_dp_blank,
129 .dp_unblank =
130 virtual_stream_encoder_dp_unblank,
131
132 .audio_mute_control = virtual_audio_mute_control,
133 .set_avmute = virtual_stream_encoder_set_avmute,
134 .hdmi_reset_stream_attribute = virtual_stream_encoder_reset_hdmi_stream_attribute,
135 .dig_connect_to_otg = virtual_dig_connect_to_otg,
136 .setup_stereo_sync = virtual_setup_stereo_sync,
137 .dp_set_dsc_pps_info_packet = virtual_stream_encoder_set_dsc_pps_info_packet,
138 };
139
virtual_stream_encoder_construct(struct stream_encoder * enc,struct dc_context * ctx,struct dc_bios * bp)140 bool virtual_stream_encoder_construct(
141 struct stream_encoder *enc,
142 struct dc_context *ctx,
143 struct dc_bios *bp)
144 {
145 if (!enc)
146 return false;
147 if (!bp)
148 return false;
149
150 enc->funcs = &virtual_str_enc_funcs;
151 enc->ctx = ctx;
152 enc->id = ENGINE_ID_VIRTUAL;
153 enc->bp = bp;
154
155 return true;
156 }
157
virtual_stream_encoder_create(struct dc_context * ctx,struct dc_bios * bp)158 struct stream_encoder *virtual_stream_encoder_create(
159 struct dc_context *ctx, struct dc_bios *bp)
160 {
161 struct stream_encoder *enc = kzalloc(sizeof(*enc), GFP_KERNEL);
162
163 if (!enc)
164 return NULL;
165
166 if (virtual_stream_encoder_construct(enc, ctx, bp))
167 return enc;
168
169 BREAK_TO_DEBUGGER();
170 kfree(enc);
171 return NULL;
172 }
173
174