drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_prbs.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 __IA_CSS_PRBS_H
  16 #define __IA_CSS_PRBS_H
  17
  18 /* @file
  19  * This file contains support for Pseudo Random Bit Sequence (PRBS) inputs
  20  */
  21
  22 /* Enumerate the PRBS IDs.
  23  */
  24 enum ia_css_prbs_id {
  25         IA_CSS_PRBS_ID0,
  26         IA_CSS_PRBS_ID1,
  27         IA_CSS_PRBS_ID2
  28 };
  29
  30 /**
  31  * Maximum number of PRBS IDs.
  32  *
  33  * Make sure the value of this define gets changed to reflect the correct
  34  * number of ia_css_prbs_id enum if you add/delete an item in the enum.
  35  */
  36 #define N_CSS_PRBS_IDS (IA_CSS_PRBS_ID2+1)
  37
  38 /**
  39  * PRBS configuration structure.
  40  *
  41  * Seed the for the Pseudo Random Bit Sequence.
  42  *
  43  * @deprecated{This interface is deprecated, it is not portable -> move to input system API}
  44  */
  45 struct ia_css_prbs_config {
  46         enum ia_css_prbs_id     id;
  47         unsigned int            h_blank;        /** horizontal blank */
  48         unsigned int            v_blank;        /** vertical blank */
  49         int                     seed;   /** random seed for the 1st 2-pixel-components/clock */
  50         int                     seed1;  /** random seed for the 2nd 2-pixel-components/clock */
  51 };
  52
  53 #endif /* __IA_CSS_PRBS_H */