Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
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_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}