1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Copyright (c) 2023 MediaTek Inc.
 4 * Author: Yunfei Dong <yunfei.dong@mediatek.com>
 5 */
 6
 7#ifndef __MTK_VCODEC_DBGFS_H__
 8#define __MTK_VCODEC_DBGFS_H__
 9
10struct mtk_vcodec_dec_dev;
11struct mtk_vcodec_dec_ctx;
12
13/*
14 * enum mtk_vdec_dbgfs_log_index  - used to get different debug information
15 */
16enum mtk_vdec_dbgfs_log_index {
17	MTK_VDEC_DBGFS_PICINFO,
18	MTK_VDEC_DBGFS_FORMAT,
19	MTK_VDEC_DBGFS_MAX,
20};
21
22/**
23 * struct mtk_vcodec_dbgfs_inst  - debugfs information for each inst
24 * @node:       list node for each inst
25 * @vcodec_ctx: struct mtk_vcodec_dec_ctx
26 * @inst_id:    index of the context that the same with ctx->id
27 */
28struct mtk_vcodec_dbgfs_inst {
29	struct list_head node;
30	struct mtk_vcodec_dec_ctx *vcodec_ctx;
31	int inst_id;
32};
33
34/**
35 * struct mtk_vcodec_dbgfs  - dbgfs information
36 * @dbgfs_head:  list head used to link each instance
37 * @vcodec_root: vcodec dbgfs entry
38 * @dbgfs_lock:  dbgfs lock used to protect dbgfs_buf
39 * @dbgfs_buf:   dbgfs buf used to store dbgfs cmd
40 * @buf_size:    buffer size of dbgfs
41 * @inst_count:  the count of total instance
42 */
43struct mtk_vcodec_dbgfs {
44	struct list_head dbgfs_head;
45	struct dentry *vcodec_root;
46	struct mutex dbgfs_lock;
47	char dbgfs_buf[1024];
48	int buf_size;
49	int inst_count;
50};
51
52#if defined(CONFIG_DEBUG_FS)
53void mtk_vcodec_dbgfs_create(struct mtk_vcodec_dec_ctx *ctx);
54void mtk_vcodec_dbgfs_remove(struct mtk_vcodec_dec_dev *vcodec_dev, int ctx_id);
55void mtk_vcodec_dbgfs_init(void *vcodec_dev, bool is_encode);
56void mtk_vcodec_dbgfs_deinit(struct mtk_vcodec_dbgfs *dbgfs);
57#else
58static inline void mtk_vcodec_dbgfs_create(struct mtk_vcodec_dec_ctx *ctx)
59{
60}
61
62static inline void mtk_vcodec_dbgfs_remove(struct mtk_vcodec_dec_dev *vcodec_dev, int ctx_id)
63{
64}
65
66static inline void mtk_vcodec_dbgfs_init(void *vcodec_dev, bool is_encode)
67{
68}
69
70static inline void mtk_vcodec_dbgfs_deinit(struct mtk_vcodec_dbgfs *dbgfs)
71{
72}
73#endif
74#endif