1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * Copyright © 2017 Broadcom |
4 | */ |
5 | |
6 | #include <linux/seq_file.h> |
7 | |
8 | #include <drm/drm_debugfs.h> |
9 | #include <drm/drm_file.h> |
10 | |
11 | #include "pl111_drm.h" |
12 | |
13 | #define REGDEF(reg) { reg, #reg } |
14 | static const struct { |
15 | u32 reg; |
16 | const char *name; |
17 | } pl111_reg_defs[] = { |
18 | REGDEF(CLCD_TIM0), |
19 | REGDEF(CLCD_TIM1), |
20 | REGDEF(CLCD_TIM2), |
21 | REGDEF(CLCD_TIM3), |
22 | REGDEF(CLCD_UBAS), |
23 | REGDEF(CLCD_LBAS), |
24 | REGDEF(CLCD_PL111_CNTL), |
25 | REGDEF(CLCD_PL111_IENB), |
26 | REGDEF(CLCD_PL111_RIS), |
27 | REGDEF(CLCD_PL111_MIS), |
28 | REGDEF(CLCD_PL111_ICR), |
29 | REGDEF(CLCD_PL111_UCUR), |
30 | REGDEF(CLCD_PL111_LCUR), |
31 | }; |
32 | |
33 | static int pl111_debugfs_regs(struct seq_file *m, void *unused) |
34 | { |
35 | struct drm_info_node *node = (struct drm_info_node *)m->private; |
36 | struct drm_device *dev = node->minor->dev; |
37 | struct pl111_drm_dev_private *priv = dev->dev_private; |
38 | int i; |
39 | |
40 | for (i = 0; i < ARRAY_SIZE(pl111_reg_defs); i++) { |
41 | seq_printf(m, fmt: "%s (0x%04x): 0x%08x\n" , |
42 | pl111_reg_defs[i].name, pl111_reg_defs[i].reg, |
43 | readl(addr: priv->regs + pl111_reg_defs[i].reg)); |
44 | } |
45 | |
46 | return 0; |
47 | } |
48 | |
49 | static const struct drm_info_list pl111_debugfs_list[] = { |
50 | {"regs" , pl111_debugfs_regs, 0}, |
51 | }; |
52 | |
53 | void |
54 | pl111_debugfs_init(struct drm_minor *minor) |
55 | { |
56 | drm_debugfs_create_files(files: pl111_debugfs_list, |
57 | ARRAY_SIZE(pl111_debugfs_list), |
58 | root: minor->debugfs_root, minor); |
59 | } |
60 | |