1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright © 2014 Broadcom
4 */
5
6 #include <drm/drm_drv.h>
7
8 #include <linux/seq_file.h>
9 #include <linux/circ_buf.h>
10 #include <linux/ctype.h>
11 #include <linux/debugfs.h>
12 #include <linux/platform_device.h>
13
14 #include "vc4_drv.h"
15 #include "vc4_regs.h"
16
17 /*
18 * Called at drm_dev_register() time on each of the minors registered
19 * by the DRM device, to attach the debugfs files.
20 */
21 void
vc4_debugfs_init(struct drm_minor * minor)22 vc4_debugfs_init(struct drm_minor *minor)
23 {
24 struct vc4_dev *vc4 = to_vc4_dev(minor->dev);
25 struct drm_device *drm = &vc4->base;
26
27 drm_WARN_ON(drm, vc4_hvs_debugfs_init(minor));
28
29 if (vc4->v3d) {
30 drm_WARN_ON(drm, vc4_bo_debugfs_init(minor));
31 drm_WARN_ON(drm, vc4_v3d_debugfs_init(minor));
32 }
33 }
34
vc4_debugfs_regset32(struct seq_file * m,void * unused)35 static int vc4_debugfs_regset32(struct seq_file *m, void *unused)
36 {
37 struct drm_debugfs_entry *entry = m->private;
38 struct drm_device *drm = entry->dev;
39 struct debugfs_regset32 *regset = entry->file.data;
40 struct drm_printer p = drm_seq_file_printer(m);
41 int idx;
42
43 if (!drm_dev_enter(drm, &idx))
44 return -ENODEV;
45
46 drm_print_regset32(&p, regset);
47
48 drm_dev_exit(idx);
49
50 return 0;
51 }
52
vc4_debugfs_add_regset32(struct drm_device * drm,const char * name,struct debugfs_regset32 * regset)53 void vc4_debugfs_add_regset32(struct drm_device *drm,
54 const char *name,
55 struct debugfs_regset32 *regset)
56 {
57 drm_debugfs_add_file(drm, name, vc4_debugfs_regset32, regset);
58 }
59