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 36static 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 43static 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 49static 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 54static void virtual_stream_encoder_set_mst_bandwidth( 55 struct stream_encoder *enc, 56 struct fixed31_32 avg_time_slots_per_mtp) {} 57 58static void virtual_stream_encoder_update_hdmi_info_packets( 59 struct stream_encoder *enc, 60 const struct encoder_info_frame *info_frame) {} 61 62static void virtual_stream_encoder_stop_hdmi_info_packets( 63 struct stream_encoder *enc) {} 64 65static void virtual_stream_encoder_set_avmute( 66 struct stream_encoder *enc, 67 bool enable) {} 68static void virtual_stream_encoder_update_dp_info_packets( 69 struct stream_encoder *enc, 70 const struct encoder_info_frame *info_frame) {} 71 72static void virtual_stream_encoder_stop_dp_info_packets( 73 struct stream_encoder *enc) {} 74 75static void virtual_stream_encoder_dp_blank( 76 struct stream_encoder *enc) {} 77 78static void virtual_stream_encoder_dp_unblank( 79 struct stream_encoder *enc, 80 const struct encoder_unblank_param *param) {} 81 82static void virtual_audio_mute_control( 83 struct stream_encoder *enc, 84 bool mute) {} 85 86static void virtual_stream_encoder_reset_hdmi_stream_attribute( 87 struct stream_encoder *enc) 88{} 89 90static void virtual_enc_dp_set_odm_combine( 91 struct stream_encoder *enc, 92 bool odm_combine) 93{} 94 95static 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 124bool 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 142struct 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