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