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 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 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 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 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 54 static void virtual_stream_encoder_update_hdmi_info_packets( 55 struct stream_encoder *enc, 56 const struct encoder_info_frame *info_frame) {} 57 58 static void virtual_stream_encoder_stop_hdmi_info_packets( 59 struct stream_encoder *enc) {} 60 61 static void virtual_stream_encoder_set_avmute( 62 struct stream_encoder *enc, 63 bool enable) {} 64 static void virtual_stream_encoder_update_dp_info_packets( 65 struct stream_encoder *enc, 66 const struct encoder_info_frame *info_frame) {} 67 68 static void virtual_stream_encoder_stop_dp_info_packets( 69 struct stream_encoder *enc) {} 70 71 static void virtual_stream_encoder_dp_blank( 72 struct stream_encoder *enc) {} 73 74 static void virtual_stream_encoder_dp_unblank( 75 struct stream_encoder *enc, 76 const struct encoder_unblank_param *param) {} 77 78 static void virtual_audio_mute_control( 79 struct stream_encoder *enc, 80 bool mute) {} 81 82 static void virtual_stream_encoder_reset_hdmi_stream_attribute( 83 struct stream_encoder *enc) 84 {} 85 86 static void virtual_enc_dp_set_odm_combine( 87 struct stream_encoder *enc, 88 bool odm_combine) 89 {} 90 91 static void virtual_dig_connect_to_otg( 92 struct stream_encoder *enc, 93 int tg_inst) 94 {} 95 96 static void virtual_setup_stereo_sync( 97 struct stream_encoder *enc, 98 int tg_inst, 99 bool enable) 100 {} 101 102 static const struct stream_encoder_funcs virtual_str_enc_funcs = { 103 .dp_set_odm_combine = 104 virtual_enc_dp_set_odm_combine, 105 .dp_set_stream_attribute = 106 virtual_stream_encoder_dp_set_stream_attribute, 107 .hdmi_set_stream_attribute = 108 virtual_stream_encoder_hdmi_set_stream_attribute, 109 .dvi_set_stream_attribute = 110 virtual_stream_encoder_dvi_set_stream_attribute, 111 .set_throttled_vcp_size = 112 virtual_stream_encoder_set_throttled_vcp_size, 113 .update_hdmi_info_packets = 114 virtual_stream_encoder_update_hdmi_info_packets, 115 .stop_hdmi_info_packets = 116 virtual_stream_encoder_stop_hdmi_info_packets, 117 .update_dp_info_packets = 118 virtual_stream_encoder_update_dp_info_packets, 119 .stop_dp_info_packets = 120 virtual_stream_encoder_stop_dp_info_packets, 121 .dp_blank = 122 virtual_stream_encoder_dp_blank, 123 .dp_unblank = 124 virtual_stream_encoder_dp_unblank, 125 126 .audio_mute_control = virtual_audio_mute_control, 127 .set_avmute = virtual_stream_encoder_set_avmute, 128 .hdmi_reset_stream_attribute = virtual_stream_encoder_reset_hdmi_stream_attribute, 129 .dig_connect_to_otg = virtual_dig_connect_to_otg, 130 .setup_stereo_sync = virtual_setup_stereo_sync, 131 }; 132 133 bool virtual_stream_encoder_construct( 134 struct stream_encoder *enc, 135 struct dc_context *ctx, 136 struct dc_bios *bp) 137 { 138 if (!enc) 139 return false; 140 if (!bp) 141 return false; 142 143 enc->funcs = &virtual_str_enc_funcs; 144 enc->ctx = ctx; 145 enc->id = ENGINE_ID_VIRTUAL; 146 enc->bp = bp; 147 148 return true; 149 } 150 151 struct stream_encoder *virtual_stream_encoder_create( 152 struct dc_context *ctx, struct dc_bios *bp) 153 { 154 struct stream_encoder *enc = kzalloc(sizeof(*enc), GFP_KERNEL); 155 156 if (!enc) 157 return NULL; 158 159 if (virtual_stream_encoder_construct(enc, ctx, bp)) 160 return enc; 161 162 BREAK_TO_DEBUGGER(); 163 kfree(enc); 164 return NULL; 165 } 166 167