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 uint32_t enable_sdp_splitting) {} 34 35 static void virtual_stream_encoder_hdmi_set_stream_attribute( 36 struct stream_encoder *enc, 37 struct dc_crtc_timing *crtc_timing, 38 int actual_pix_clk_khz, 39 bool enable_audio) {} 40 41 static void virtual_stream_encoder_dvi_set_stream_attribute( 42 struct stream_encoder *enc, 43 struct dc_crtc_timing *crtc_timing, 44 bool is_dual_link) {} 45 46 static void virtual_stream_encoder_set_mst_bandwidth( 47 struct stream_encoder *enc, 48 struct fixed31_32 avg_time_slots_per_mtp) {} 49 50 static void virtual_stream_encoder_update_hdmi_info_packets( 51 struct stream_encoder *enc, 52 const struct encoder_info_frame *info_frame) {} 53 54 static void virtual_stream_encoder_stop_hdmi_info_packets( 55 struct stream_encoder *enc) {} 56 57 static void virtual_stream_encoder_set_avmute( 58 struct stream_encoder *enc, 59 bool enable) {} 60 static void virtual_stream_encoder_update_dp_info_packets( 61 struct stream_encoder *enc, 62 const struct encoder_info_frame *info_frame) {} 63 64 static void virtual_stream_encoder_stop_dp_info_packets( 65 struct stream_encoder *enc) {} 66 67 static void virtual_stream_encoder_dp_blank( 68 struct stream_encoder *enc) {} 69 70 static void virtual_stream_encoder_dp_unblank( 71 struct stream_encoder *enc, 72 const struct encoder_unblank_param *param) {} 73 74 static void virtual_audio_mute_control( 75 struct stream_encoder *enc, 76 bool mute) {} 77 78 static const struct stream_encoder_funcs virtual_str_enc_funcs = { 79 .dp_set_stream_attribute = 80 virtual_stream_encoder_dp_set_stream_attribute, 81 .hdmi_set_stream_attribute = 82 virtual_stream_encoder_hdmi_set_stream_attribute, 83 .dvi_set_stream_attribute = 84 virtual_stream_encoder_dvi_set_stream_attribute, 85 .set_mst_bandwidth = 86 virtual_stream_encoder_set_mst_bandwidth, 87 .update_hdmi_info_packets = 88 virtual_stream_encoder_update_hdmi_info_packets, 89 .stop_hdmi_info_packets = 90 virtual_stream_encoder_stop_hdmi_info_packets, 91 .update_dp_info_packets = 92 virtual_stream_encoder_update_dp_info_packets, 93 .stop_dp_info_packets = 94 virtual_stream_encoder_stop_dp_info_packets, 95 .dp_blank = 96 virtual_stream_encoder_dp_blank, 97 .dp_unblank = 98 virtual_stream_encoder_dp_unblank, 99 100 .audio_mute_control = virtual_audio_mute_control, 101 .set_avmute = virtual_stream_encoder_set_avmute, 102 }; 103 104 bool virtual_stream_encoder_construct( 105 struct stream_encoder *enc, 106 struct dc_context *ctx, 107 struct dc_bios *bp) 108 { 109 if (!enc) 110 return false; 111 if (!bp) 112 return false; 113 114 enc->funcs = &virtual_str_enc_funcs; 115 enc->ctx = ctx; 116 enc->id = ENGINE_ID_VIRTUAL; 117 enc->bp = bp; 118 119 return true; 120 } 121 122 struct stream_encoder *virtual_stream_encoder_create( 123 struct dc_context *ctx, struct dc_bios *bp) 124 { 125 struct stream_encoder *enc = kzalloc(sizeof(*enc), GFP_KERNEL); 126 127 if (!enc) 128 return NULL; 129 130 if (virtual_stream_encoder_construct(enc, ctx, bp)) 131 return enc; 132 133 BREAK_TO_DEBUGGER(); 134 kfree(enc); 135 return NULL; 136 } 137 138