1 2 /* 3 * Copyright 2017 Advanced Micro Devices, Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21 * OTHER DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: AMD 24 * 25 */ 26 #ifndef __DSCC_TYPES_H__ 27 #define __DSCC_TYPES_H__ 28 29 #include <drm/display/drm_dsc.h> 30 31 #ifndef NUM_BUF_RANGES 32 #define NUM_BUF_RANGES 15 33 #endif 34 35 struct dsc_pps_rc_range { 36 int range_min_qp; 37 int range_max_qp; 38 int range_bpg_offset; 39 }; 40 41 struct dsc_parameters { 42 struct drm_dsc_config pps; 43 44 /* Additional parameters for register programming */ 45 uint32_t bytes_per_pixel; /* In u3.28 format */ 46 uint32_t rc_buffer_model_size; 47 }; 48 49 int dscc_compute_dsc_parameters(const struct drm_dsc_config *pps, struct dsc_parameters *dsc_params); 50 51 #endif 52 53