#ifndef DC_DSC_H_ #define DC_DSC_H_ /* * Copyright 2019 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Author: AMD */ /* put it here temporarily until linux has the new addresses official defined */ /* DP Extended DSC Capabilities */ #define DP_DSC_BRANCH_OVERALL_THROUGHPUT_0 0x0a0 /* DP 1.4a SCR */ #define DP_DSC_BRANCH_OVERALL_THROUGHPUT_1 0x0a1 #define DP_DSC_BRANCH_MAX_LINE_WIDTH 0x0a2 #include "dc_types.h" struct dc_dsc_bw_range { uint32_t min_kbps; /* Bandwidth if min_target_bpp_x16 is used */ uint32_t min_target_bpp_x16; uint32_t max_kbps; /* Bandwidth if max_target_bpp_x16 is used */ uint32_t max_target_bpp_x16; uint32_t stream_kbps; /* Uncompressed stream bandwidth */ }; struct display_stream_compressor { const struct dsc_funcs *funcs; #ifndef AMD_EDID_UTILITY struct dc_context *ctx; int inst; #endif }; bool dc_dsc_parse_dsc_dpcd(const uint8_t *dpcd_dsc_basic_data, const uint8_t *dpcd_dsc_ext_data, struct dsc_dec_dpcd_caps *dsc_sink_caps); bool dc_dsc_compute_bandwidth_range( const struct display_stream_compressor *dsc, const uint32_t dsc_min_slice_height_override, const uint32_t min_kbps, const uint32_t max_kbps, const struct dsc_dec_dpcd_caps *dsc_sink_caps, const struct dc_crtc_timing *timing, struct dc_dsc_bw_range *range); bool dc_dsc_compute_config( const struct display_stream_compressor *dsc, const struct dsc_dec_dpcd_caps *dsc_sink_caps, const uint32_t dsc_min_slice_height_override, uint32_t target_bandwidth_kbps, const struct dc_crtc_timing *timing, struct dc_dsc_config *dsc_cfg); #endif