drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_mipi.h

   1 /*
   2  * Support for Intel Camera Imaging ISP subsystem.
   3  * Copyright (c) 2015, Intel Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms and conditions of the GNU General Public License,
   7  * version 2, as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  */
  14
  15 #ifndef __SH_CSS_MIPI_H
  16 #define __SH_CSS_MIPI_H
  17
  18 #include <ia_css_err.h>           /* ia_css_err */
  19 #include <ia_css_types.h>         /* ia_css_pipe */
  20 #include <ia_css_stream_public.h> /* ia_css_stream_config */
  21
  22 void
  23 mipi_init(void);
  24
  25 enum ia_css_err
  26 allocate_mipi_frames(struct ia_css_pipe *pipe, struct ia_css_stream_info *info);
  27
  28 enum ia_css_err
  29 free_mipi_frames(struct ia_css_pipe *pipe);
  30
  31 enum ia_css_err
  32 send_mipi_frames(struct ia_css_pipe *pipe);
  33
  34 /**
  35  * @brief Calculate the required MIPI buffer sizes.
  36  * Based on the stream configuration, calculate the
  37  * required MIPI buffer sizes (in DDR words).
  38  *
  39  * @param[in]   stream_cfg              Point to the target stream configuration
  40  * @param[out]  size_mem_words  MIPI buffer size in DDR words.
  41  *
  42  * @return
  43  */
  44 enum ia_css_err
  45 calculate_mipi_buff_size(
  46                 struct ia_css_stream_config *stream_cfg,
  47                 unsigned int *size_mem_words);
  48
  49 #endif /* __SH_CSS_MIPI_H */