Commit | Line | Data |
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1da177e4 LT |
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> | |
4e57b681 | 17 | #include <linux/string.h> |
1da177e4 | 18 | |
bd9ba8f4 GU |
19 | #include <asm/byteorder.h> |
20 | ||
1da177e4 LT |
21 | #include "zorro.h" |
22 | ||
23 | ||
24 | /* show configuration fields */ | |
25 | #define zorro_config_attr(name, field, format_string) \ | |
26 | static ssize_t \ | |
060b8845 | 27 | show_##name(struct device *dev, struct device_attribute *attr, char *buf) \ |
1da177e4 LT |
28 | { \ |
29 | struct zorro_dev *z; \ | |
30 | \ | |
31 | z = to_zorro_dev(dev); \ | |
32 | return sprintf(buf, format_string, z->field); \ | |
33 | } \ | |
34 | static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL); | |
35 | ||
36 | zorro_config_attr(id, id, "0x%08x\n"); | |
37 | zorro_config_attr(type, rom.er_Type, "0x%02x\n"); | |
1da177e4 LT |
38 | zorro_config_attr(slotaddr, slotaddr, "0x%04x\n"); |
39 | zorro_config_attr(slotsize, slotsize, "0x%04x\n"); | |
40 | ||
bd9ba8f4 GU |
41 | static ssize_t |
42 | show_serial(struct device *dev, struct device_attribute *attr, 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 | } | |
49 | ||
50 | static DEVICE_ATTR(serial, S_IRUGO, show_serial, NULL); | |
51 | ||
060b8845 | 52 | static ssize_t zorro_show_resource(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
53 | { |
54 | struct zorro_dev *z = to_zorro_dev(dev); | |
55 | ||
56 | return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx\n", | |
31817576 GU |
57 | (unsigned long)zorro_resource_start(z), |
58 | (unsigned long)zorro_resource_end(z), | |
1da177e4 LT |
59 | zorro_resource_flags(z)); |
60 | } | |
61 | ||
62 | static DEVICE_ATTR(resource, S_IRUGO, zorro_show_resource, NULL); | |
63 | ||
2c3c8bea | 64 | static ssize_t zorro_read_config(struct file *filp, struct kobject *kobj, |
91a69029 ZR |
65 | struct bin_attribute *bin_attr, |
66 | char *buf, loff_t off, size_t count) | |
1da177e4 LT |
67 | { |
68 | struct zorro_dev *z = to_zorro_dev(container_of(kobj, struct device, | |
69 | kobj)); | |
70 | struct ConfigDev cd; | |
1da177e4 LT |
71 | |
72 | /* Construct a ConfigDev */ | |
73 | memset(&cd, 0, sizeof(cd)); | |
74 | cd.cd_Rom = z->rom; | |
bd9ba8f4 GU |
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)); | |
1da177e4 | 79 | |
fa7f2893 | 80 | return memory_read_from_buffer(buf, count, &off, &cd, sizeof(cd)); |
1da177e4 LT |
81 | } |
82 | ||
83 | static struct bin_attribute zorro_config_attr = { | |
84 | .attr = { | |
85 | .name = "config", | |
a0108668 | 86 | .mode = S_IRUGO, |
1da177e4 LT |
87 | }, |
88 | .size = sizeof(struct ConfigDev), | |
89 | .read = zorro_read_config, | |
90 | }; | |
91 | ||
bf54a2b3 GU |
92 | static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, |
93 | char *buf) | |
94 | { | |
95 | struct zorro_dev *z = to_zorro_dev(dev); | |
96 | ||
97 | return sprintf(buf, ZORRO_DEVICE_MODALIAS_FMT "\n", z->id); | |
98 | } | |
99 | ||
100 | static DEVICE_ATTR(modalias, S_IRUGO, modalias_show, NULL); | |
101 | ||
11a8b2c5 | 102 | int zorro_create_sysfs_dev_files(struct zorro_dev *z) |
1da177e4 LT |
103 | { |
104 | struct device *dev = &z->dev; | |
11a8b2c5 | 105 | int error; |
1da177e4 LT |
106 | |
107 | /* current configuration's attributes */ | |
11a8b2c5 GU |
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)) || | |
bf54a2b3 | 114 | (error = device_create_file(dev, &dev_attr_modalias)) || |
11a8b2c5 GU |
115 | (error = sysfs_create_bin_file(&dev->kobj, &zorro_config_attr))) |
116 | return error; | |
117 | ||
118 | return 0; | |
1da177e4 LT |
119 | } |
120 |