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 }
14static 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
33static 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, "%s (0x%04x): 0x%08x\n",
42			   pl111_reg_defs[i].name, pl111_reg_defs[i].reg,
43			   readl(priv->regs + pl111_reg_defs[i].reg));
44	}
45
46	return 0;
47}
48
49static const struct drm_info_list pl111_debugfs_list[] = {
50	{"regs", pl111_debugfs_regs, 0},
51};
52
53void
54pl111_debugfs_init(struct drm_minor *minor)
55{
56	drm_debugfs_create_files(pl111_debugfs_list,
57				 ARRAY_SIZE(pl111_debugfs_list),
58				 minor->debugfs_root, minor);
59}
60