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      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