1/*
 2 *  Copyright © 2017 Broadcom
 3 *
 4 * This program is free software; you can redistribute it and/or modify
 5 * it under the terms of the GNU General Public License version 2 as
 6 * published by the Free Software Foundation.
 7 */
 8
 9#include <linux/amba/clcd-regs.h>
10#include <linux/seq_file.h>
11#include <drm/drm_debugfs.h>
12#include <drm/drmP.h>
13#include "pl111_drm.h"
14
15#define REGDEF(reg) { reg, #reg }
16static const struct {
17	u32 reg;
18	const char *name;
19} pl111_reg_defs[] = {
20	REGDEF(CLCD_TIM0),
21	REGDEF(CLCD_TIM1),
22	REGDEF(CLCD_TIM2),
23	REGDEF(CLCD_TIM3),
24	REGDEF(CLCD_UBAS),
25	REGDEF(CLCD_LBAS),
26	REGDEF(CLCD_PL111_CNTL),
27	REGDEF(CLCD_PL111_IENB),
28	REGDEF(CLCD_PL111_RIS),
29	REGDEF(CLCD_PL111_MIS),
30	REGDEF(CLCD_PL111_ICR),
31	REGDEF(CLCD_PL111_UCUR),
32	REGDEF(CLCD_PL111_LCUR),
33};
34
35int pl111_debugfs_regs(struct seq_file *m, void *unused)
36{
37	struct drm_info_node *node = (struct drm_info_node *)m->private;
38	struct drm_device *dev = node->minor->dev;
39	struct pl111_drm_dev_private *priv = dev->dev_private;
40	int i;
41
42	for (i = 0; i < ARRAY_SIZE(pl111_reg_defs); i++) {
43		seq_printf(m, "%s (0x%04x): 0x%08x\n",
44			   pl111_reg_defs[i].name, pl111_reg_defs[i].reg,
45			   readl(priv->regs + pl111_reg_defs[i].reg));
46	}
47
48	return 0;
49}
50
51static const struct drm_info_list pl111_debugfs_list[] = {
52	{"regs", pl111_debugfs_regs, 0},
53};
54
55int
56pl111_debugfs_init(struct drm_minor *minor)
57{
58	return drm_debugfs_create_files(pl111_debugfs_list,
59					ARRAY_SIZE(pl111_debugfs_list),
60					minor->debugfs_root, minor);
61}