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 | struct rc_params; |
50 | |
51 | int dscc_compute_dsc_parameters(const struct drm_dsc_config *pps, |
52 | const struct rc_params *rc, |
53 | struct dsc_parameters *dsc_params); |
54 | #endif |
55 | |
56 | |