root/drivers/media/platform/sti/delta/delta-cfg.h

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INCLUDED FROM

   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
  61 extern const struct delta_dec mjpegdec;
  62 #endif
  63 
  64 #endif /* DELTA_CFG_H */
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