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 dc_link *link, 73 struct stream_encoder *enc) {} 74 75 static void virtual_stream_encoder_dp_unblank( 76 struct dc_link *link, 77 struct stream_encoder *enc, 78 const struct encoder_unblank_param *param) {} 79 80 static void virtual_audio_mute_control( 81 struct stream_encoder *enc, 82 bool mute) {} 83 84 static void virtual_stream_encoder_reset_hdmi_stream_attribute( 85 struct stream_encoder *enc) 86 {} 87 88 static void virtual_enc_dp_set_odm_combine( 89 struct stream_encoder *enc, 90 bool odm_combine) 91 {} 92 93 static void virtual_dig_connect_to_otg( 94 struct stream_encoder *enc, 95 int tg_inst) 96 {} 97 98 static void virtual_setup_stereo_sync( 99 struct stream_encoder *enc, 100 int tg_inst, 101 bool enable) 102 {} 103 104 static void virtual_stream_encoder_set_dsc_pps_info_packet( 105 struct stream_encoder *enc, 106 bool enable, 107 uint8_t *dsc_packed_pps, 108 bool immediate_update) 109 {} 110 111 static const struct stream_encoder_funcs virtual_str_enc_funcs = { 112 .dp_set_odm_combine = 113 virtual_enc_dp_set_odm_combine, 114 .dp_set_stream_attribute = 115 virtual_stream_encoder_dp_set_stream_attribute, 116 .hdmi_set_stream_attribute = 117 virtual_stream_encoder_hdmi_set_stream_attribute, 118 .dvi_set_stream_attribute = 119 virtual_stream_encoder_dvi_set_stream_attribute, 120 .set_throttled_vcp_size = 121 virtual_stream_encoder_set_throttled_vcp_size, 122 .update_hdmi_info_packets = 123 virtual_stream_encoder_update_hdmi_info_packets, 124 .stop_hdmi_info_packets = 125 virtual_stream_encoder_stop_hdmi_info_packets, 126 .update_dp_info_packets = 127 virtual_stream_encoder_update_dp_info_packets, 128 .stop_dp_info_packets = 129 virtual_stream_encoder_stop_dp_info_packets, 130 .dp_blank = 131 virtual_stream_encoder_dp_blank, 132 .dp_unblank = 133 virtual_stream_encoder_dp_unblank, 134 135 .audio_mute_control = virtual_audio_mute_control, 136 .set_avmute = virtual_stream_encoder_set_avmute, 137 .hdmi_reset_stream_attribute = virtual_stream_encoder_reset_hdmi_stream_attribute, 138 .dig_connect_to_otg = virtual_dig_connect_to_otg, 139 .setup_stereo_sync = virtual_setup_stereo_sync, 140 .dp_set_dsc_pps_info_packet = virtual_stream_encoder_set_dsc_pps_info_packet, 141 }; 142 143 bool virtual_stream_encoder_construct( 144 struct stream_encoder *enc, 145 struct dc_context *ctx, 146 struct dc_bios *bp) 147 { 148 if (!enc) 149 return false; 150 if (!bp) 151 return false; 152 153 enc->funcs = &virtual_str_enc_funcs; 154 enc->ctx = ctx; 155 enc->id = ENGINE_ID_VIRTUAL; 156 enc->bp = bp; 157 158 return true; 159 } 160 161 struct stream_encoder *virtual_stream_encoder_create( 162 struct dc_context *ctx, struct dc_bios *bp) 163 { 164 struct stream_encoder *enc = kzalloc(sizeof(*enc), GFP_KERNEL); 165 166 if (!enc) 167 return NULL; 168 169 if (virtual_stream_encoder_construct(enc, ctx, bp)) 170 return enc; 171 172 BREAK_TO_DEBUGGER(); 173 kfree(enc); 174 return NULL; 175 } 176 177