1 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
2 
3 /*
4  * Copyright 2017 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 #ifndef __DSCC_TYPES_H__
28 #define __DSCC_TYPES_H__
29 
30 #include <drm/drm_dsc.h>
31 
32 #ifndef NUM_BUF_RANGES
33 #define NUM_BUF_RANGES 15
34 #endif
35 
36 struct dsc_pps_rc_range {
37 	int range_min_qp;
38 	int range_max_qp;
39 	int range_bpg_offset;
40 };
41 
42 struct dsc_parameters {
43 	struct drm_dsc_config pps;
44 
45 	/* Additional parameters for register programming */
46 	uint32_t bytes_per_pixel; /* In u3.28 format */
47 	uint32_t rc_buffer_model_size;
48 };
49 
50 int dscc_compute_dsc_parameters(const struct drm_dsc_config *pps, struct dsc_parameters *dsc_params);
51 
52 #endif
53 
54 #endif
55