linux/drivers/media/platform/sti/delta/delta-cfg.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Copyright (C) STMicroelectronics SA 2015
   4 * Author: Hugues Fruchet <hugues.fruchet@st.com> for STMicroelectronics.
   5 */
   6
   7#ifndef DELTA_CFG_H
   8#define DELTA_CFG_H
   9
  10#define DELTA_FW_VERSION "21.1-3"
  11
  12#define DELTA_MIN_WIDTH  32
  13#define DELTA_MAX_WIDTH  4096
  14#define DELTA_MIN_HEIGHT 32
  15#define DELTA_MAX_HEIGHT 2400
  16
  17/* DELTA requires a 32x32 pixels alignment for frames */
  18#define DELTA_WIDTH_ALIGNMENT    32
  19#define DELTA_HEIGHT_ALIGNMENT   32
  20
  21#define DELTA_DEFAULT_WIDTH  DELTA_MIN_WIDTH
  22#define DELTA_DEFAULT_HEIGHT DELTA_MIN_HEIGHT
  23#define DELTA_DEFAULT_FRAMEFORMAT  V4L2_PIX_FMT_NV12
  24#define DELTA_DEFAULT_STREAMFORMAT V4L2_PIX_FMT_MJPEG
  25
  26#define DELTA_MAX_RESO (DELTA_MAX_WIDTH * DELTA_MAX_HEIGHT)
  27
  28/* guard value for number of access units */
  29#define DELTA_MAX_AUS 10
  30
  31/* IP perf dependent, can be tuned */
  32#define DELTA_PEAK_FRAME_SMOOTHING 2
  33
  34/*
  35 * guard output frame count:
  36 * - at least 1 frame needed for display
  37 * - at worst 21
  38 *   ( max h264 dpb (16) +
  39 *     decoding peak smoothing (2) +
  40 *     user display pipeline (3) )
  41 */
  42#define DELTA_MIN_FRAME_USER    1
  43#define DELTA_MAX_DPB           16
  44#define DELTA_MAX_FRAME_USER    3 /* platform/use-case dependent */
  45#define DELTA_MAX_FRAMES (DELTA_MAX_DPB + DELTA_PEAK_FRAME_SMOOTHING +\
  46                          DELTA_MAX_FRAME_USER)
  47
  48#if DELTA_MAX_FRAMES > VIDEO_MAX_FRAME
  49#undef DELTA_MAX_FRAMES
  50#define DELTA_MAX_FRAMES (VIDEO_MAX_FRAME)
  51#endif
  52
  53/* extra space to be allocated to store codec specific data per frame */
  54#define DELTA_MAX_FRAME_PRIV_SIZE 100
  55
  56/* PM runtime auto power-off after 5ms of inactivity */
  57#define DELTA_HW_AUTOSUSPEND_DELAY_MS 5
  58
  59#define DELTA_MAX_DECODERS 10
  60#ifdef CONFIG_VIDEO_STI_DELTA_MJPEG
  61extern const struct delta_dec mjpegdec;
  62#endif
  63
  64#endif /* DELTA_CFG_H */
  65