1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Support for Intel Camera Imaging ISP subsystem.
4 * Copyright (c) 2015, Intel Corporation.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 #ifndef __IA_CSS_ERR_H
17 #define __IA_CSS_ERR_H
20 * This file contains possible return values for most
21 * functions in the CSS-API.
24 /* FW warnings. This enum contains a value for each warning that
25 * the SP FW could indicate potential performance issue
27 enum ia_css_fw_warning {
28 IA_CSS_FW_WARNING_NONE,
29 IA_CSS_FW_WARNING_ISYS_QUEUE_FULL, /* < CSS system delayed because of insufficient space in the ISys queue.
30 This warning can be avoided by de-queuing ISYS buffers more timely. */
31 IA_CSS_FW_WARNING_PSYS_QUEUE_FULL, /* < CSS system delayed because of insufficient space in the PSys queue.
32 This warning can be avoided by de-queuing PSYS buffers more timely. */
33 IA_CSS_FW_WARNING_CIRCBUF_ALL_LOCKED, /* < CSS system delayed because of insufficient available buffers.
34 This warning can be avoided by unlocking locked frame-buffers more timely. */
35 IA_CSS_FW_WARNING_EXP_ID_LOCKED, /* < Exposure ID skipped because the frame associated to it was still locked.
36 This warning can be avoided by unlocking locked frame-buffers more timely. */
37 IA_CSS_FW_WARNING_TAG_EXP_ID_FAILED, /* < Exposure ID cannot be found on the circular buffer.
38 This warning can be avoided by unlocking locked frame-buffers more timely. */
39 IA_CSS_FW_WARNING_FRAME_PARAM_MISMATCH, /* < Frame and param pair mismatched in tagger.
40 This warning can be avoided by providing a param set for each frame. */
43 #endif /* __IA_CSS_ERR_H */