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