1 /* $NetBSD: dscc_types.h,v 1.2 2021/12/18 23:45:04 riastradh Exp $ */ 2 3 4 /* 5 * Copyright 2017 Advanced Micro Devices, Inc. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 * OTHER DEALINGS IN THE SOFTWARE. 24 * 25 * Authors: AMD 26 * 27 */ 28 #ifndef __DSCC_TYPES_H__ 29 #define __DSCC_TYPES_H__ 30 31 #include <drm/drm_dsc.h> 32 33 #ifndef NUM_BUF_RANGES 34 #define NUM_BUF_RANGES 15 35 #endif 36 37 struct dsc_pps_rc_range { 38 int range_min_qp; 39 int range_max_qp; 40 int range_bpg_offset; 41 }; 42 43 struct dsc_parameters { 44 struct drm_dsc_config pps; 45 46 /* Additional parameters for register programming */ 47 uint32_t bytes_per_pixel; /* In u3.28 format */ 48 uint32_t rc_buffer_model_size; 49 }; 50 51 int dscc_compute_dsc_parameters(const struct drm_dsc_config *pps, struct dsc_parameters *dsc_params); 52 53 #endif 54 55