Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * File Attributes for DIO Devices | |
3 | * | |
4 | * Copyright (C) 2004 Jochen Friedrich | |
5 | * | |
6 | * Loosely based on drivers/pci/pci-sysfs.c and drivers/zorro/zorro-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/dio.h> | |
16 | #include <linux/stat.h> | |
17 | ||
18 | /* show configuration fields */ | |
19 | ||
74880c06 | 20 | static ssize_t dio_show_id(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
21 | { |
22 | struct dio_dev *d; | |
23 | ||
24 | d = to_dio_dev(dev); | |
25 | return sprintf(buf, "0x%02x\n", (d->id & 0xff)); | |
26 | } | |
27 | static DEVICE_ATTR(id, S_IRUGO, dio_show_id, NULL); | |
28 | ||
74880c06 | 29 | static ssize_t dio_show_ipl(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
30 | { |
31 | struct dio_dev *d; | |
32 | ||
33 | d = to_dio_dev(dev); | |
34 | return sprintf(buf, "0x%02x\n", d->ipl); | |
35 | } | |
36 | static DEVICE_ATTR(ipl, S_IRUGO, dio_show_ipl, NULL); | |
37 | ||
74880c06 | 38 | static ssize_t dio_show_secid(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
39 | { |
40 | struct dio_dev *d; | |
41 | ||
42 | d = to_dio_dev(dev); | |
43 | return sprintf(buf, "0x%02x\n", ((d->id >> 8)& 0xff)); | |
44 | } | |
45 | static DEVICE_ATTR(secid, S_IRUGO, dio_show_secid, NULL); | |
46 | ||
74880c06 | 47 | static ssize_t dio_show_name(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
48 | { |
49 | struct dio_dev *d; | |
50 | ||
51 | d = to_dio_dev(dev); | |
52 | return sprintf(buf, "%s\n", d->name); | |
53 | } | |
54 | static DEVICE_ATTR(name, S_IRUGO, dio_show_name, NULL); | |
55 | ||
74880c06 | 56 | static ssize_t dio_show_resource(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
57 | { |
58 | struct dio_dev *d = to_dio_dev(dev); | |
59 | ||
60 | return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx\n", | |
fae3306a GU |
61 | (unsigned long)dio_resource_start(d), |
62 | (unsigned long)dio_resource_end(d), | |
1da177e4 LT |
63 | dio_resource_flags(d)); |
64 | } | |
65 | static DEVICE_ATTR(resource, S_IRUGO, dio_show_resource, NULL); | |
66 | ||
2e4c77be | 67 | int dio_create_sysfs_dev_files(struct dio_dev *d) |
1da177e4 LT |
68 | { |
69 | struct device *dev = &d->dev; | |
2e4c77be | 70 | int error; |
1da177e4 LT |
71 | |
72 | /* current configuration's attributes */ | |
2e4c77be GU |
73 | if ((error = device_create_file(dev, &dev_attr_id)) || |
74 | (error = device_create_file(dev, &dev_attr_ipl)) || | |
75 | (error = device_create_file(dev, &dev_attr_secid)) || | |
76 | (error = device_create_file(dev, &dev_attr_name)) || | |
77 | (error = device_create_file(dev, &dev_attr_resource))) | |
78 | return error; | |
79 | ||
80 | return 0; | |
1da177e4 LT |
81 | } |
82 |