LXR linux/drivers/gpu/drm/amd/display/dc/dsc/rc

   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
  34typedef int qp_set[QP_SET_SIZE];
  35
  36struct 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
  56enum 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
  63enum bits_per_comp {
  64        BPC_8  =  8,
  65        BPC_10 = 10,
  66        BPC_12 = 12
  67};
  68
  69enum max_min {
  70        MM_MIN = 0,
  71        MM_MAX = 1
  72};
  73
  74struct qp_entry {
  75        float         bpp;
  76        const qp_set  qps;
  77};
  78
  79typedef struct qp_entry qp_table[];
  80
  81void 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