2 * File Attributes for Zorro Devices
4 * Copyright (C) 2003 Geert Uytterhoeven
6 * Loosely based on drivers/pci/pci-sysfs.c
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
14 #include <linux/kernel.h>
15 #include <linux/zorro.h>
16 #include <linux/stat.h>
17 #include <linux/string.h>
19 #include <asm/byteorder.h>
24 /* show configuration fields */
25 #define zorro_config_attr(name, field, format_string) \
27 show_##name(struct device *dev, struct device_attribute *attr, char *buf) \
29 struct zorro_dev *z; \
31 z = to_zorro_dev(dev); \
32 return sprintf(buf, format_string, z->field); \
34 static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL);
36 zorro_config_attr(id
, id
, "0x%08x\n");
37 zorro_config_attr(type
, rom
.er_Type
, "0x%02x\n");
38 zorro_config_attr(slotaddr
, slotaddr
, "0x%04x\n");
39 zorro_config_attr(slotsize
, slotsize
, "0x%04x\n");
42 show_serial(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
46 z
= to_zorro_dev(dev
);
47 return sprintf(buf
, "0x%08x\n", be32_to_cpu(z
->rom
.er_SerialNumber
));
50 static DEVICE_ATTR(serial
, S_IRUGO
, show_serial
, NULL
);
52 static ssize_t
zorro_show_resource(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
54 struct zorro_dev
*z
= to_zorro_dev(dev
);
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
));
62 static DEVICE_ATTR(resource
, S_IRUGO
, zorro_show_resource
, NULL
);
64 static ssize_t
zorro_read_config(struct file
*filp
, struct kobject
*kobj
,
65 struct bin_attribute
*bin_attr
,
66 char *buf
, loff_t off
, size_t count
)
68 struct zorro_dev
*z
= to_zorro_dev(container_of(kobj
, struct device
,
72 /* Construct a ConfigDev */
73 memset(&cd
, 0, sizeof(cd
));
75 cd
.cd_SlotAddr
= cpu_to_be16(z
->slotaddr
);
76 cd
.cd_SlotSize
= cpu_to_be16(z
->slotsize
);
77 cd
.cd_BoardAddr
= cpu_to_be32(zorro_resource_start(z
));
78 cd
.cd_BoardSize
= cpu_to_be32(zorro_resource_len(z
));
80 return memory_read_from_buffer(buf
, count
, &off
, &cd
, sizeof(cd
));
83 static struct bin_attribute zorro_config_attr
= {
88 .size
= sizeof(struct ConfigDev
),
89 .read
= zorro_read_config
,
92 static ssize_t
modalias_show(struct device
*dev
, struct device_attribute
*attr
,
95 struct zorro_dev
*z
= to_zorro_dev(dev
);
97 return sprintf(buf
, ZORRO_DEVICE_MODALIAS_FMT
"\n", z
->id
);
100 static DEVICE_ATTR(modalias
, S_IRUGO
, modalias_show
, NULL
);
102 int zorro_create_sysfs_dev_files(struct zorro_dev
*z
)
104 struct device
*dev
= &z
->dev
;
107 /* current configuration's attributes */
108 if ((error
= device_create_file(dev
, &dev_attr_id
)) ||
109 (error
= device_create_file(dev
, &dev_attr_type
)) ||
110 (error
= device_create_file(dev
, &dev_attr_serial
)) ||
111 (error
= device_create_file(dev
, &dev_attr_slotaddr
)) ||
112 (error
= device_create_file(dev
, &dev_attr_slotsize
)) ||
113 (error
= device_create_file(dev
, &dev_attr_resource
)) ||
114 (error
= device_create_file(dev
, &dev_attr_modalias
)) ||
115 (error
= sysfs_create_bin_file(&dev
->kobj
, &zorro_config_attr
)))