tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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_PL111_CNTL),
26 REGDEF(CLCD_PL111_IENB),
27};
28
29int pl111_debugfs_regs(struct seq_file *m, void *unused)
30{
31 struct drm_info_node *node = (struct drm_info_node *)m->private;
32 struct drm_device *dev = node->minor->dev;
33 struct pl111_drm_dev_private *priv = dev->dev_private;
34 int i;
35
36 for (i = 0; i < ARRAY_SIZE(pl111_reg_defs); i++) {
37 seq_printf(m, "%s (0x%04x): 0x%08x\n",
38 pl111_reg_defs[i].name, pl111_reg_defs[i].reg,
39 readl(priv->regs + pl111_reg_defs[i].reg));
40 }
41
42 return 0;
43}
44
45static const struct drm_info_list pl111_debugfs_list[] = {
46 {"regs", pl111_debugfs_regs, 0},
47};
48
49int
50pl111_debugfs_init(struct drm_minor *minor)
51{
52 return drm_debugfs_create_files(pl111_debugfs_list,
53 ARRAY_SIZE(pl111_debugfs_list),
54 minor->debugfs_root, minor);
55}