| 1 | |
| 2 | * File Attributes for DIO Devices
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| 3 | *
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| 4 | * Copyright (C) 2004 Jochen Friedrich
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| 5 | *
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| 6 | * Loosely based on drivers/pci/pci-sysfs.c and drivers/zorro/zorro-sysfs.c
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| 7 | *
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| 8 | * This file is subject to the terms and conditions of the GNU General Public
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| 9 | * License. See the file COPYING in the main directory of this archive
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| 10 | * for more details.
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| 11 |
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| 12 |
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| 13 |
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| 14 | #include <linux/kernel.h>
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| 15 | #include <linux/dio.h>
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| 16 | #include <linux/stat.h>
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| 17 |
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| 18 |
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| 19 |
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| 20 | static ssize_t dio_show_id(struct device *dev, struct device_attribute *attr, char *buf)
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| 21 | {
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| 22 | struct dio_dev *d;
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| 23 |
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| 24 | d = to_dio_dev(dev);
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| 25 | return sprintf(buf, "0x%02x\n", (d->id & 0xff));
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| 26 | }
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| 27 | static DEVICE_ATTR(id, S_IRUGO, dio_show_id, NULL);
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| 28 |
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| 29 | static ssize_t dio_show_ipl(struct device *dev, struct device_attribute *attr, char *buf)
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| 30 | {
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| 31 | struct dio_dev *d;
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| 32 |
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| 33 | d = to_dio_dev(dev);
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| 34 | return sprintf(buf, "0x%02x\n", d->ipl);
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| 35 | }
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| 36 | static DEVICE_ATTR(ipl, S_IRUGO, dio_show_ipl, NULL);
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| 37 |
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| 38 | static ssize_t dio_show_secid(struct device *dev, struct device_attribute *attr, char *buf)
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| 39 | {
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| 40 | struct dio_dev *d;
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| 41 |
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| 42 | d = to_dio_dev(dev);
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| 43 | return sprintf(buf, "0x%02x\n", ((d->id >> 8)& 0xff));
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| 44 | }
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| 45 | static DEVICE_ATTR(secid, S_IRUGO, dio_show_secid, NULL);
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| 46 |
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| 47 | static ssize_t dio_show_name(struct device *dev, struct device_attribute *attr, char *buf)
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| 48 | {
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| 49 | struct dio_dev *d;
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| 50 |
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| 51 | d = to_dio_dev(dev);
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| 52 | return sprintf(buf, "%s\n", d->name);
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| 53 | }
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| 54 | static DEVICE_ATTR(name, S_IRUGO, dio_show_name, NULL);
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| 55 |
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| 56 | static ssize_t dio_show_resource(struct device *dev, struct device_attribute *attr, char *buf)
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| 57 | {
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| 58 | struct dio_dev *d = to_dio_dev(dev);
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| 59 |
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| 60 | return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx\n",
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| 61 | (unsigned long)dio_resource_start(d),
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| 62 | (unsigned long)dio_resource_end(d),
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| 63 | dio_resource_flags(d));
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| 64 | }
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| 65 | static DEVICE_ATTR(resource, S_IRUGO, dio_show_resource, NULL);
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| 66 |
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| 67 | int dio_create_sysfs_dev_files(struct dio_dev *d)
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| 68 | {
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| 69 | struct device *dev = &d->dev;
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| 70 | int error;
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| 71 |
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| 72 |
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| 73 | if ((error = device_create_file(dev, &dev_attr_id)) ||
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| 74 | (error = device_create_file(dev, &dev_attr_ipl)) ||
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| 75 | (error = device_create_file(dev, &dev_attr_secid)) ||
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| 76 | (error = device_create_file(dev, &dev_attr_name)) ||
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| 77 | (error = device_create_file(dev, &dev_attr_resource)))
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| 78 | return error;
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| 79 |
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| 80 | return 0;
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| 81 | }
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| 82 |
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