1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Support for Intel Camera Imaging ISP subsystem.
4 * Copyright (c) 2015, Intel Corporation.
5 *
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.
9 *
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
13 * more details.
14 */
15
16#ifndef __IA_CSS_ERR_H
17#define __IA_CSS_ERR_H
18
19/* @file
20 * This file contains possible return values for most
21 * functions in the CSS-API.
22 */
23
24/* FW warnings. This enum contains a value for each warning that
25 * the SP FW could indicate potential performance issue
26 */
27enum 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. */
41};
42
43#endif /* __IA_CSS_ERR_H */
44