1/*
2 * drivers/sh/superhyway/superhyway-sysfs.c
3 *
4 * SuperHyway Bus sysfs interface
5 *
6 * Copyright (C) 2004, 2005  Paul Mundt <lethal@linux-sh.org>
7 *
8 * This file is subject to the terms and conditions of the GNU General Public
9 * License.  See the file "COPYING" in the main directory of this archive
10 * for more details.
11 */
12#include <linux/kernel.h>
13#include <linux/device.h>
14#include <linux/types.h>
15#include <linux/superhyway.h>
16
17#define superhyway_ro_attr(name, fmt, field)				\
18static ssize_t name##_show(struct device *dev, struct device_attribute *attr, char *buf)		\
19{									\
20	struct superhyway_device *s = to_superhyway_device(dev);	\
21	return sprintf(buf, fmt, s->field);				\
22}									\
23static DEVICE_ATTR_RO(name);
24
25/* VCR flags */
26superhyway_ro_attr(perr_flags, "0x%02x\n", vcr.perr_flags);
27superhyway_ro_attr(merr_flags, "0x%02x\n", vcr.merr_flags);
28superhyway_ro_attr(mod_vers, "0x%04x\n", vcr.mod_vers);
29superhyway_ro_attr(mod_id, "0x%04x\n", vcr.mod_id);
30superhyway_ro_attr(bot_mb, "0x%02x\n", vcr.bot_mb);
31superhyway_ro_attr(top_mb, "0x%02x\n", vcr.top_mb);
32
33/* Misc */
34superhyway_ro_attr(resource, "0x%08lx\n", resource[0].start);
35
36static struct attribute *superhyway_dev_attrs[] = {
37	&dev_attr_perr_flags.attr,
38	&dev_attr_merr_flags.attr,
39	&dev_attr_mod_vers.attr,
40	&dev_attr_mod_id.attr,
41	&dev_attr_bot_mb.attr,
42	&dev_attr_top_mb.attr,
43	&dev_attr_resource.attr,
44	NULL,
45};
46
47static const struct attribute_group superhyway_dev_group = {
48	.attrs = superhyway_dev_attrs,
49};
50
51const struct attribute_group *superhyway_dev_groups[] = {
52	&superhyway_dev_group,
53	NULL,
54};
55