drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_err.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_ERR_H
  16 #define __IA_CSS_ERR_H
  17
  18 /* @file
  19  * This file contains possible return values for most
  20  * functions in the CSS-API.
  21  */
  22
  23 /* Errors, these values are used as the return value for most
  24  *  functions in this API.
  25  */
  26 enum ia_css_err {
  27         IA_CSS_SUCCESS,
  28         IA_CSS_ERR_INTERNAL_ERROR,
  29         IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY,
  30         IA_CSS_ERR_INVALID_ARGUMENTS,
  31         IA_CSS_ERR_SYSTEM_NOT_IDLE,
  32         IA_CSS_ERR_MODE_HAS_NO_VIEWFINDER,
  33         IA_CSS_ERR_QUEUE_IS_FULL,
  34         IA_CSS_ERR_QUEUE_IS_EMPTY,
  35         IA_CSS_ERR_RESOURCE_NOT_AVAILABLE,
  36         IA_CSS_ERR_RESOURCE_LIST_TO_SMALL,
  37         IA_CSS_ERR_RESOURCE_ITEMS_STILL_ALLOCATED,
  38         IA_CSS_ERR_RESOURCE_EXHAUSTED,
  39         IA_CSS_ERR_RESOURCE_ALREADY_ALLOCATED,
  40         IA_CSS_ERR_VERSION_MISMATCH,
  41         IA_CSS_ERR_NOT_SUPPORTED
  42 };
  43
  44 /* FW warnings. This enum contains a value for each warning that
  45  * the SP FW could indicate potential performance issue
  46  */
  47 enum ia_css_fw_warning {
  48         IA_CSS_FW_WARNING_NONE,
  49         IA_CSS_FW_WARNING_ISYS_QUEUE_FULL, /* < CSS system delayed because of insufficient space in the ISys queue.
  50                 This warning can be avoided by de-queing ISYS buffers more timely. */
  51         IA_CSS_FW_WARNING_PSYS_QUEUE_FULL, /* < CSS system delayed because of insufficient space in the PSys queue.
  52                 This warning can be avoided by de-queing PSYS buffers more timely. */
  53         IA_CSS_FW_WARNING_CIRCBUF_ALL_LOCKED, /* < CSS system delayed because of insufficient available buffers.
  54                 This warning can be avoided by unlocking locked frame-buffers more timely. */
  55         IA_CSS_FW_WARNING_EXP_ID_LOCKED, /* < Exposure ID skipped because the frame associated to it was still locked.
  56                 This warning can be avoided by unlocking locked frame-buffers more timely. */
  57         IA_CSS_FW_WARNING_TAG_EXP_ID_FAILED, /* < Exposure ID cannot be found on the circular buffer.
  58                 This warning can be avoided by unlocking locked frame-buffers more timely. */
  59         IA_CSS_FW_WARNING_FRAME_PARAM_MISMATCH, /* < Frame and param pair mismatched in tagger.
  60                 This warning can be avoided by providing a param set for each frame. */
  61 };
  62
  63 #endif /* __IA_CSS_ERR_H */