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 "zorro.h"
20
21
22/* show configuration fields */
23#define zorro_config_attr(name, field, format_string)			\
24static ssize_t								\
25show_##name(struct device *dev, struct device_attribute *attr, char *buf)				\
26{									\
27	struct zorro_dev *z;						\
28									\
29	z = to_zorro_dev(dev);						\
30	return sprintf(buf, format_string, z->field);			\
31}									\
32static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL);
33
34zorro_config_attr(id, id, "0x%08x\n");
35zorro_config_attr(type, rom.er_Type, "0x%02x\n");
36zorro_config_attr(serial, rom.er_SerialNumber, "0x%08x\n");
37zorro_config_attr(slotaddr, slotaddr, "0x%04x\n");
38zorro_config_attr(slotsize, slotsize, "0x%04x\n");
39
40static ssize_t zorro_show_resource(struct device *dev, struct device_attribute *attr, char *buf)
41{
42	struct zorro_dev *z = to_zorro_dev(dev);
43
44	return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx\n",
45		       (unsigned long)zorro_resource_start(z),
46		       (unsigned long)zorro_resource_end(z),
47		       zorro_resource_flags(z));
48}
49
50static DEVICE_ATTR(resource, S_IRUGO, zorro_show_resource, NULL);
51
52static ssize_t zorro_read_config(struct kobject *kobj, char *buf, loff_t off,
53				 size_t count)
54{
55	struct zorro_dev *z = to_zorro_dev(container_of(kobj, struct device,
56					   kobj));
57	struct ConfigDev cd;
58	unsigned int size = sizeof(cd);
59
60	if (off > size)
61		return 0;
62	if (off+count > size)
63		count = size-off;
64
65	/* Construct a ConfigDev */
66	memset(&cd, 0, sizeof(cd));
67	cd.cd_Rom = z->rom;
68	cd.cd_SlotAddr = z->slotaddr;
69	cd.cd_SlotSize = z->slotsize;
70	cd.cd_BoardAddr = (void *)zorro_resource_start(z);
71	cd.cd_BoardSize = zorro_resource_len(z);
72
73	memcpy(buf, (void *)&cd+off, count);
74	return count;
75}
76
77static struct bin_attribute zorro_config_attr = {
78	.attr =	{
79		.name = "config",
80		.mode = S_IRUGO | S_IWUSR,
81		.owner = THIS_MODULE
82	},
83	.size = sizeof(struct ConfigDev),
84	.read = zorro_read_config,
85};
86
87void zorro_create_sysfs_dev_files(struct zorro_dev *z)
88{
89	struct device *dev = &z->dev;
90
91	/* current configuration's attributes */
92	device_create_file(dev, &dev_attr_id);
93	device_create_file(dev, &dev_attr_type);
94	device_create_file(dev, &dev_attr_serial);
95	device_create_file(dev, &dev_attr_slotaddr);
96	device_create_file(dev, &dev_attr_slotsize);
97	device_create_file(dev, &dev_attr_resource);
98	sysfs_create_bin_file(&dev->kobj, &zorro_config_attr);
99}
100