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 
28 #ifndef __RC_CALC_H__
29 #define __RC_CALC_H__
30 
31 
32 #define QP_SET_SIZE 15
33 
34 typedef int qp_set[QP_SET_SIZE];
35 
36 struct rc_params {
37 	int      rc_quant_incr_limit0;
38 	int      rc_quant_incr_limit1;
39 	int      initial_fullness_offset;
40 	int      initial_xmit_delay;
41 	int      first_line_bpg_offset;
42 	int      second_line_bpg_offset;
43 	int      flatness_min_qp;
44 	int      flatness_max_qp;
45 	int      flatness_det_thresh;
46 	qp_set   qp_min;
47 	qp_set   qp_max;
48 	qp_set   ofs;
49 	int      rc_model_size;
50 	int      rc_edge_factor;
51 	int      rc_tgt_offset_hi;
52 	int      rc_tgt_offset_lo;
53 	int      rc_buf_thresh[QP_SET_SIZE - 1];
54 };
55 
56 enum colour_mode {
57 	CM_RGB,   /* 444 RGB */
58 	CM_444,   /* 444 YUV or simple 422 */
59 	CM_422,   /* native 422 */
60 	CM_420    /* native 420 */
61 };
62 
63 enum bits_per_comp {
64 	BPC_8  =  8,
65 	BPC_10 = 10,
66 	BPC_12 = 12
67 };
68 
69 enum max_min {
70 	MM_MIN = 0,
71 	MM_MAX = 1
72 };
73 
74 struct qp_entry {
75 	float         bpp;
76 	const qp_set  qps;
77 };
78 
79 typedef struct qp_entry qp_table[];
80 
81 void calc_rc_params(struct rc_params *rc, enum colour_mode cm, enum bits_per_comp bpc, float bpp, int slice_width, int slice_height, int minor_version);
82 
83 #endif
84 
85 #endif
86