1// SPDX-License-Identifier: GPL-2.0-only OR MIT
2/* Copyright (c) 2023 Imagination Technologies Ltd. */
3
4#include "pvr_debugfs.h"
5
6#include "pvr_device.h"
7#include "pvr_fw_trace.h"
8#include "pvr_params.h"
9
10#include <linux/dcache.h>
11#include <linux/debugfs.h>
12#include <linux/err.h>
13#include <linux/kernel.h>
14#include <linux/types.h>
15
16#include <drm/drm_device.h>
17#include <drm/drm_file.h>
18#include <drm/drm_print.h>
19
20static const struct pvr_debugfs_entry pvr_debugfs_entries[] = {
21	{"pvr_params", pvr_params_debugfs_init},
22	{"pvr_fw", pvr_fw_trace_debugfs_init},
23};
24
25void
26pvr_debugfs_init(struct drm_minor *minor)
27{
28	struct drm_device *drm_dev = minor->dev;
29	struct pvr_device *pvr_dev = to_pvr_device(drm_dev);
30	struct dentry *root = minor->debugfs_root;
31	size_t i;
32
33	for (i = 0; i < ARRAY_SIZE(pvr_debugfs_entries); ++i) {
34		const struct pvr_debugfs_entry *entry = &pvr_debugfs_entries[i];
35		struct dentry *dir;
36
37		dir = debugfs_create_dir(entry->name, root);
38		if (IS_ERR(dir)) {
39			drm_warn(drm_dev,
40				 "failed to create debugfs dir '%s' (err=%d)",
41				 entry->name, (int)PTR_ERR(dir));
42			continue;
43		}
44
45		entry->init(pvr_dev, dir);
46	}
47}
48
49/*
50 * Since all entries are created under &drm_minor->debugfs_root, there's no
51 * need for a pvr_debugfs_fini() as DRM will clean up everything under its root
52 * automatically.
53 */
54