1 /* $NetBSD: amdgpu_virtual_stream_encoder.c,v 1.2 2021/12/18 23:45:06 riastradh Exp $ */
2
3 /*
4 * Copyright 2012-15 Advanced Micro Devices, Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: AMD
25 *
26 */
27
28 #include <sys/cdefs.h>
29 __KERNEL_RCSID(0, "$NetBSD: amdgpu_virtual_stream_encoder.c,v 1.2 2021/12/18 23:45:06 riastradh Exp $");
30
31 #include <linux/slab.h>
32
33 #include "dm_services.h"
34 #include "virtual_stream_encoder.h"
35
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)36 static void virtual_stream_encoder_dp_set_stream_attribute(
37 struct stream_encoder *enc,
38 struct dc_crtc_timing *crtc_timing,
39 enum dc_color_space output_color_space,
40 bool use_vsc_sdp_for_colorimetry,
41 uint32_t enable_sdp_splitting) {}
42
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)43 static void virtual_stream_encoder_hdmi_set_stream_attribute(
44 struct stream_encoder *enc,
45 struct dc_crtc_timing *crtc_timing,
46 int actual_pix_clk_khz,
47 bool enable_audio) {}
48
virtual_stream_encoder_dvi_set_stream_attribute(struct stream_encoder * enc,struct dc_crtc_timing * crtc_timing,bool is_dual_link)49 static void virtual_stream_encoder_dvi_set_stream_attribute(
50 struct stream_encoder *enc,
51 struct dc_crtc_timing *crtc_timing,
52 bool is_dual_link) {}
53
virtual_stream_encoder_set_mst_bandwidth(struct stream_encoder * enc,struct fixed31_32 avg_time_slots_per_mtp)54 static void virtual_stream_encoder_set_mst_bandwidth(
55 struct stream_encoder *enc,
56 struct fixed31_32 avg_time_slots_per_mtp) {}
57
virtual_stream_encoder_update_hdmi_info_packets(struct stream_encoder * enc,const struct encoder_info_frame * info_frame)58 static void virtual_stream_encoder_update_hdmi_info_packets(
59 struct stream_encoder *enc,
60 const struct encoder_info_frame *info_frame) {}
61
virtual_stream_encoder_stop_hdmi_info_packets(struct stream_encoder * enc)62 static void virtual_stream_encoder_stop_hdmi_info_packets(
63 struct stream_encoder *enc) {}
64
virtual_stream_encoder_set_avmute(struct stream_encoder * enc,bool enable)65 static void virtual_stream_encoder_set_avmute(
66 struct stream_encoder *enc,
67 bool enable) {}
virtual_stream_encoder_update_dp_info_packets(struct stream_encoder * enc,const struct encoder_info_frame * info_frame)68 static void virtual_stream_encoder_update_dp_info_packets(
69 struct stream_encoder *enc,
70 const struct encoder_info_frame *info_frame) {}
71
virtual_stream_encoder_stop_dp_info_packets(struct stream_encoder * enc)72 static void virtual_stream_encoder_stop_dp_info_packets(
73 struct stream_encoder *enc) {}
74
virtual_stream_encoder_dp_blank(struct stream_encoder * enc)75 static void virtual_stream_encoder_dp_blank(
76 struct stream_encoder *enc) {}
77
virtual_stream_encoder_dp_unblank(struct stream_encoder * enc,const struct encoder_unblank_param * param)78 static void virtual_stream_encoder_dp_unblank(
79 struct stream_encoder *enc,
80 const struct encoder_unblank_param *param) {}
81
virtual_audio_mute_control(struct stream_encoder * enc,bool mute)82 static void virtual_audio_mute_control(
83 struct stream_encoder *enc,
84 bool mute) {}
85
virtual_stream_encoder_reset_hdmi_stream_attribute(struct stream_encoder * enc)86 static void virtual_stream_encoder_reset_hdmi_stream_attribute(
87 struct stream_encoder *enc)
88 {}
89
virtual_enc_dp_set_odm_combine(struct stream_encoder * enc,bool odm_combine)90 static void virtual_enc_dp_set_odm_combine(
91 struct stream_encoder *enc,
92 bool odm_combine)
93 {}
94
95 static const struct stream_encoder_funcs virtual_str_enc_funcs = {
96 .dp_set_odm_combine =
97 virtual_enc_dp_set_odm_combine,
98 .dp_set_stream_attribute =
99 virtual_stream_encoder_dp_set_stream_attribute,
100 .hdmi_set_stream_attribute =
101 virtual_stream_encoder_hdmi_set_stream_attribute,
102 .dvi_set_stream_attribute =
103 virtual_stream_encoder_dvi_set_stream_attribute,
104 .set_mst_bandwidth =
105 virtual_stream_encoder_set_mst_bandwidth,
106 .update_hdmi_info_packets =
107 virtual_stream_encoder_update_hdmi_info_packets,
108 .stop_hdmi_info_packets =
109 virtual_stream_encoder_stop_hdmi_info_packets,
110 .update_dp_info_packets =
111 virtual_stream_encoder_update_dp_info_packets,
112 .stop_dp_info_packets =
113 virtual_stream_encoder_stop_dp_info_packets,
114 .dp_blank =
115 virtual_stream_encoder_dp_blank,
116 .dp_unblank =
117 virtual_stream_encoder_dp_unblank,
118
119 .audio_mute_control = virtual_audio_mute_control,
120 .set_avmute = virtual_stream_encoder_set_avmute,
121 .hdmi_reset_stream_attribute = virtual_stream_encoder_reset_hdmi_stream_attribute,
122 };
123
virtual_stream_encoder_construct(struct stream_encoder * enc,struct dc_context * ctx,struct dc_bios * bp)124 bool virtual_stream_encoder_construct(
125 struct stream_encoder *enc,
126 struct dc_context *ctx,
127 struct dc_bios *bp)
128 {
129 if (!enc)
130 return false;
131 if (!bp)
132 return false;
133
134 enc->funcs = &virtual_str_enc_funcs;
135 enc->ctx = ctx;
136 enc->id = ENGINE_ID_VIRTUAL;
137 enc->bp = bp;
138
139 return true;
140 }
141
virtual_stream_encoder_create(struct dc_context * ctx,struct dc_bios * bp)142 struct stream_encoder *virtual_stream_encoder_create(
143 struct dc_context *ctx, struct dc_bios *bp)
144 {
145 struct stream_encoder *enc = kzalloc(sizeof(*enc), GFP_KERNEL);
146
147 if (!enc)
148 return NULL;
149
150 if (virtual_stream_encoder_construct(enc, ctx, bp))
151 return enc;
152
153 BREAK_TO_DEBUGGER();
154 kfree(enc);
155 return NULL;
156 }
157
158