83 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 *  File Attributes for DIO Devices
 | 
						|
 *
 | 
						|
 *  Copyright (C) 2004 Jochen Friedrich
 | 
						|
 *
 | 
						|
 *  Loosely based on drivers/pci/pci-sysfs.c and drivers/zorro/zorro-sysfs.c
 | 
						|
 *
 | 
						|
 *  This file is subject to the terms and conditions of the GNU General Public
 | 
						|
 *  License.  See the file COPYING in the main directory of this archive
 | 
						|
 *  for more details.
 | 
						|
 */
 | 
						|
 | 
						|
 | 
						|
#include <linux/kernel.h>
 | 
						|
#include <linux/dio.h>
 | 
						|
#include <linux/stat.h>
 | 
						|
 | 
						|
/* show configuration fields */
 | 
						|
 | 
						|
static ssize_t dio_show_id(struct device *dev, struct device_attribute *attr, char *buf)
 | 
						|
{
 | 
						|
	struct dio_dev *d;
 | 
						|
 | 
						|
	d = to_dio_dev(dev);
 | 
						|
	return sprintf(buf, "0x%02x\n", (d->id & 0xff));
 | 
						|
}
 | 
						|
static DEVICE_ATTR(id, S_IRUGO, dio_show_id, NULL);
 | 
						|
 | 
						|
static ssize_t dio_show_ipl(struct device *dev, struct device_attribute *attr, char *buf)
 | 
						|
{
 | 
						|
	struct dio_dev *d;
 | 
						|
 | 
						|
	d = to_dio_dev(dev);
 | 
						|
	return sprintf(buf, "0x%02x\n", d->ipl);
 | 
						|
}
 | 
						|
static DEVICE_ATTR(ipl, S_IRUGO, dio_show_ipl, NULL);
 | 
						|
 | 
						|
static ssize_t dio_show_secid(struct device *dev, struct device_attribute *attr, char *buf)
 | 
						|
{
 | 
						|
	struct dio_dev *d;
 | 
						|
 | 
						|
	d = to_dio_dev(dev);
 | 
						|
	return sprintf(buf, "0x%02x\n", ((d->id >> 8)& 0xff));
 | 
						|
}
 | 
						|
static DEVICE_ATTR(secid, S_IRUGO, dio_show_secid, NULL);
 | 
						|
 | 
						|
static ssize_t dio_show_name(struct device *dev, struct device_attribute *attr, char *buf)
 | 
						|
{
 | 
						|
	struct dio_dev *d;
 | 
						|
 | 
						|
	d = to_dio_dev(dev);
 | 
						|
	return sprintf(buf, "%s\n", d->name);
 | 
						|
}
 | 
						|
static DEVICE_ATTR(name, S_IRUGO, dio_show_name, NULL);
 | 
						|
 | 
						|
static ssize_t dio_show_resource(struct device *dev, struct device_attribute *attr, char *buf)
 | 
						|
{
 | 
						|
	struct dio_dev *d = to_dio_dev(dev);
 | 
						|
 | 
						|
	return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx\n",
 | 
						|
		       (unsigned long)dio_resource_start(d),
 | 
						|
		       (unsigned long)dio_resource_end(d),
 | 
						|
		       dio_resource_flags(d));
 | 
						|
}
 | 
						|
static DEVICE_ATTR(resource, S_IRUGO, dio_show_resource, NULL);
 | 
						|
 | 
						|
int dio_create_sysfs_dev_files(struct dio_dev *d)
 | 
						|
{
 | 
						|
	struct device *dev = &d->dev;
 | 
						|
	int error;
 | 
						|
 | 
						|
	/* current configuration's attributes */
 | 
						|
	if ((error = device_create_file(dev, &dev_attr_id)) ||
 | 
						|
	    (error = device_create_file(dev, &dev_attr_ipl)) ||
 | 
						|
	    (error = device_create_file(dev, &dev_attr_secid)) ||
 | 
						|
	    (error = device_create_file(dev, &dev_attr_name)) ||
 | 
						|
	    (error = device_create_file(dev, &dev_attr_resource)))
 | 
						|
		return error;
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 |