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 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 }; 139 140 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 } 157 158 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