[SPARC] drivers/sbus: fix-up schedule_timeout() usage
[linux-2.6] / drivers / zorro / zorro-sysfs.c
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
18 #include "zorro.h"
19
20
21 /* show configuration fields */
22 #define zorro_config_attr(name, field, format_string)                   \
23 static ssize_t                                                          \
24 show_##name(struct device *dev, struct device_attribute *attr, char *buf)                               \
25 {                                                                       \
26         struct zorro_dev *z;                                            \
27                                                                         \
28         z = to_zorro_dev(dev);                                          \
29         return sprintf(buf, format_string, z->field);                   \
30 }                                                                       \
31 static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL);
32
33 zorro_config_attr(id, id, "0x%08x\n");
34 zorro_config_attr(type, rom.er_Type, "0x%02x\n");
35 zorro_config_attr(serial, rom.er_SerialNumber, "0x%08x\n");
36 zorro_config_attr(slotaddr, slotaddr, "0x%04x\n");
37 zorro_config_attr(slotsize, slotsize, "0x%04x\n");
38
39 static ssize_t zorro_show_resource(struct device *dev, struct device_attribute *attr, char *buf)
40 {
41         struct zorro_dev *z = to_zorro_dev(dev);
42
43         return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx\n",
44                        zorro_resource_start(z), zorro_resource_end(z),
45                        zorro_resource_flags(z));
46 }
47
48 static DEVICE_ATTR(resource, S_IRUGO, zorro_show_resource, NULL);
49
50 static ssize_t zorro_read_config(struct kobject *kobj, char *buf, loff_t off,
51                                  size_t count)
52 {
53         struct zorro_dev *z = to_zorro_dev(container_of(kobj, struct device,
54                                            kobj));
55         struct ConfigDev cd;
56         unsigned int size = sizeof(cd);
57
58         if (off > size)
59                 return 0;
60         if (off+count > size)
61                 count = size-off;
62
63         /* Construct a ConfigDev */
64         memset(&cd, 0, sizeof(cd));
65         cd.cd_Rom = z->rom;
66         cd.cd_SlotAddr = z->slotaddr;
67         cd.cd_SlotSize = z->slotsize;
68         cd.cd_BoardAddr = (void *)zorro_resource_start(z);
69         cd.cd_BoardSize = zorro_resource_len(z);
70
71         memcpy(buf, (void *)&cd+off, count);
72         return count;
73 }
74
75 static struct bin_attribute zorro_config_attr = {
76         .attr = {
77                 .name = "config",
78                 .mode = S_IRUGO | S_IWUSR,
79                 .owner = THIS_MODULE
80         },
81         .size = sizeof(struct ConfigDev),
82         .read = zorro_read_config,
83 };
84
85 void zorro_create_sysfs_dev_files(struct zorro_dev *z)
86 {
87         struct device *dev = &z->dev;
88
89         /* current configuration's attributes */
90         device_create_file(dev, &dev_attr_id);
91         device_create_file(dev, &dev_attr_type);
92         device_create_file(dev, &dev_attr_serial);
93         device_create_file(dev, &dev_attr_slotaddr);
94         device_create_file(dev, &dev_attr_slotsize);
95         device_create_file(dev, &dev_attr_resource);
96         sysfs_create_bin_file(&dev->kobj, &zorro_config_attr);
97 }
98