1/*
2 *  File Attributes for Zorro Devices
3 *
4 *  Copyright (C) 2003 Geert Uytterhoeven
5 *
6 *  Loosely based on drivers/pci/pci-sysfs.c
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
13
14#include <linux/kernel.h>
15#include <linux/zorro.h>
16#include <linux/stat.h>
17#include <linux/string.h>
18
19#include <asm/byteorder.h>
20
21#include "zorro.h"
22
23
24/* show configuration fields */
25#define zorro_config_attr(name, field, format_string)			\
26static ssize_t name##_show(struct device *dev,				\
27			   struct device_attribute *attr, char *buf)	\
28{									\
29	struct zorro_dev *z;						\
30									\
31	z = to_zorro_dev(dev);						\
32	return sprintf(buf, format_string, z->field);			\
33}									\
34static DEVICE_ATTR_RO(name);
35
36zorro_config_attr(id, id, "0x%08x\n");
37zorro_config_attr(type, rom.er_Type, "0x%02x\n");
38zorro_config_attr(slotaddr, slotaddr, "0x%04x\n");
39zorro_config_attr(slotsize, slotsize, "0x%04x\n");
40
41static ssize_t serial_show(struct device *dev, struct device_attribute *attr,
42			   char *buf)
43{
44	struct zorro_dev *z;
45
46	z = to_zorro_dev(dev);
47	return sprintf(buf, "0x%08x\n", be32_to_cpu(z->rom.er_SerialNumber));
48}
49static DEVICE_ATTR_RO(serial);
50
51static ssize_t resource_show(struct device *dev, struct device_attribute *attr,
52			     char *buf)
53{
54	struct zorro_dev *z = to_zorro_dev(dev);
55
56	return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx\n",
57		       (unsigned long)zorro_resource_start(z),
58		       (unsigned long)zorro_resource_end(z),
59		       zorro_resource_flags(z));
60}
61static DEVICE_ATTR_RO(resource);
62
63static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
64			     char *buf)
65{
66	struct zorro_dev *z = to_zorro_dev(dev);
67
68	return sprintf(buf, ZORRO_DEVICE_MODALIAS_FMT "\n", z->id);
69}
70static DEVICE_ATTR_RO(modalias);
71
72static struct attribute *zorro_device_attrs[] = {
73	&dev_attr_id.attr,
74	&dev_attr_type.attr,
75	&dev_attr_serial.attr,
76	&dev_attr_slotaddr.attr,
77	&dev_attr_slotsize.attr,
78	&dev_attr_resource.attr,
79	&dev_attr_modalias.attr,
80	NULL
81};
82
83static ssize_t zorro_read_config(struct file *filp, struct kobject *kobj,
84				 struct bin_attribute *bin_attr,
85				 char *buf, loff_t off, size_t count)
86{
87	struct zorro_dev *z = to_zorro_dev(kobj_to_dev(kobj));
88	struct ConfigDev cd;
89
90	/* Construct a ConfigDev */
91	memset(&cd, 0, sizeof(cd));
92	cd.cd_Rom = z->rom;
93	cd.cd_SlotAddr = cpu_to_be16(z->slotaddr);
94	cd.cd_SlotSize = cpu_to_be16(z->slotsize);
95	cd.cd_BoardAddr = cpu_to_be32(zorro_resource_start(z));
96	cd.cd_BoardSize = cpu_to_be32(zorro_resource_len(z));
97
98	return memory_read_from_buffer(buf, count, &off, &cd, sizeof(cd));
99}
100
101static struct bin_attribute zorro_config_attr = {
102	.attr =	{
103		.name = "config",
104		.mode = S_IRUGO,
105	},
106	.size = sizeof(struct ConfigDev),
107	.read = zorro_read_config,
108};
109
110static struct bin_attribute *zorro_device_bin_attrs[] = {
111	&zorro_config_attr,
112	NULL
113};
114
115static const struct attribute_group zorro_device_attr_group = {
116	.attrs		= zorro_device_attrs,
117	.bin_attrs	= zorro_device_bin_attrs,
118};
119
120const struct attribute_group *zorro_device_attribute_groups[] = {
121	&zorro_device_attr_group,
122	NULL
123};
124