2005-04-17 06:20:36 +08:00
|
|
|
/*
|
|
|
|
* drivers/usb/core/sysfs.c
|
|
|
|
*
|
|
|
|
* (C) Copyright 2002 David Brownell
|
|
|
|
* (C) Copyright 2002,2004 Greg Kroah-Hartman
|
|
|
|
* (C) Copyright 2002,2004 IBM Corp.
|
|
|
|
*
|
|
|
|
* All of the sysfs file attributes for usb devices and interfaces.
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
#include <linux/config.h>
|
|
|
|
#include <linux/kernel.h>
|
|
|
|
|
|
|
|
#ifdef CONFIG_USB_DEBUG
|
|
|
|
#define DEBUG
|
|
|
|
#else
|
|
|
|
#undef DEBUG
|
|
|
|
#endif
|
|
|
|
#include <linux/usb.h>
|
|
|
|
|
|
|
|
#include "usb.h"
|
|
|
|
|
2005-06-21 12:15:16 +08:00
|
|
|
/* endpoint stuff */
|
2005-10-26 03:56:06 +08:00
|
|
|
struct ep_object {
|
|
|
|
struct usb_endpoint_descriptor *desc;
|
2005-06-21 12:15:16 +08:00
|
|
|
struct usb_device *udev;
|
2005-10-26 03:56:06 +08:00
|
|
|
struct kobject kobj;
|
2005-06-21 12:15:16 +08:00
|
|
|
};
|
2005-10-26 03:56:06 +08:00
|
|
|
#define to_ep_object(_kobj) \
|
|
|
|
container_of(_kobj, struct ep_object, kobj)
|
|
|
|
|
|
|
|
struct ep_attribute {
|
|
|
|
struct attribute attr;
|
|
|
|
ssize_t (*show)(struct usb_device *,
|
|
|
|
struct usb_endpoint_descriptor *, char *);
|
|
|
|
};
|
|
|
|
#define to_ep_attribute(_attr) \
|
|
|
|
container_of(_attr, struct ep_attribute, attr)
|
|
|
|
|
|
|
|
#define EP_ATTR(_name) \
|
|
|
|
struct ep_attribute ep_##_name = { \
|
|
|
|
.attr = {.name = #_name, .owner = THIS_MODULE, \
|
|
|
|
.mode = S_IRUGO}, \
|
|
|
|
.show = show_ep_##_name}
|
|
|
|
|
|
|
|
#define usb_ep_attr(field, format_string) \
|
|
|
|
static ssize_t show_ep_##field(struct usb_device *udev, \
|
|
|
|
struct usb_endpoint_descriptor *desc, \
|
|
|
|
char *buf) \
|
|
|
|
{ \
|
|
|
|
return sprintf(buf, format_string, desc->field); \
|
|
|
|
} \
|
|
|
|
static EP_ATTR(field);
|
|
|
|
|
2005-06-21 12:15:16 +08:00
|
|
|
usb_ep_attr(bLength, "%02x\n")
|
|
|
|
usb_ep_attr(bEndpointAddress, "%02x\n")
|
|
|
|
usb_ep_attr(bmAttributes, "%02x\n")
|
|
|
|
usb_ep_attr(bInterval, "%02x\n")
|
|
|
|
|
2005-10-26 03:56:06 +08:00
|
|
|
static ssize_t show_ep_wMaxPacketSize(struct usb_device *udev,
|
|
|
|
struct usb_endpoint_descriptor *desc, char *buf)
|
2005-06-21 12:15:16 +08:00
|
|
|
{
|
|
|
|
return sprintf(buf, "%04x\n",
|
2005-10-26 03:56:06 +08:00
|
|
|
le16_to_cpu(desc->wMaxPacketSize) & 0x07ff);
|
2005-06-21 12:15:16 +08:00
|
|
|
}
|
2005-10-26 03:56:06 +08:00
|
|
|
static EP_ATTR(wMaxPacketSize);
|
2005-06-21 12:15:16 +08:00
|
|
|
|
2005-10-26 03:56:06 +08:00
|
|
|
static ssize_t show_ep_type(struct usb_device *udev,
|
|
|
|
struct usb_endpoint_descriptor *desc, char *buf)
|
2005-06-21 12:15:16 +08:00
|
|
|
{
|
|
|
|
char *type = "unknown";
|
|
|
|
|
2005-10-26 03:56:06 +08:00
|
|
|
switch (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) {
|
2005-06-21 12:15:16 +08:00
|
|
|
case USB_ENDPOINT_XFER_CONTROL:
|
|
|
|
type = "Control";
|
|
|
|
break;
|
|
|
|
case USB_ENDPOINT_XFER_ISOC:
|
|
|
|
type = "Isoc";
|
|
|
|
break;
|
|
|
|
case USB_ENDPOINT_XFER_BULK:
|
|
|
|
type = "Bulk";
|
|
|
|
break;
|
|
|
|
case USB_ENDPOINT_XFER_INT:
|
|
|
|
type = "Interrupt";
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return sprintf(buf, "%s\n", type);
|
|
|
|
}
|
2005-10-26 03:56:06 +08:00
|
|
|
static EP_ATTR(type);
|
2005-06-21 12:15:16 +08:00
|
|
|
|
2005-10-26 03:56:06 +08:00
|
|
|
static ssize_t show_ep_interval(struct usb_device *udev,
|
|
|
|
struct usb_endpoint_descriptor *desc, char *buf)
|
2005-06-21 12:15:16 +08:00
|
|
|
{
|
|
|
|
char unit;
|
|
|
|
unsigned interval = 0;
|
|
|
|
unsigned in;
|
|
|
|
|
2005-10-26 03:56:06 +08:00
|
|
|
in = (desc->bEndpointAddress & USB_DIR_IN);
|
2005-06-21 12:15:16 +08:00
|
|
|
|
2005-10-26 03:56:06 +08:00
|
|
|
switch (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) {
|
2005-06-21 12:15:16 +08:00
|
|
|
case USB_ENDPOINT_XFER_CONTROL:
|
|
|
|
if (udev->speed == USB_SPEED_HIGH) /* uframes per NAK */
|
2005-10-26 03:56:06 +08:00
|
|
|
interval = desc->bInterval;
|
2005-06-21 12:15:16 +08:00
|
|
|
break;
|
|
|
|
case USB_ENDPOINT_XFER_ISOC:
|
2005-10-26 03:56:06 +08:00
|
|
|
interval = 1 << (desc->bInterval - 1);
|
2005-06-21 12:15:16 +08:00
|
|
|
break;
|
|
|
|
case USB_ENDPOINT_XFER_BULK:
|
2005-10-26 03:56:06 +08:00
|
|
|
if (udev->speed == USB_SPEED_HIGH && !in) /* uframes per NAK */
|
|
|
|
interval = desc->bInterval;
|
2005-06-21 12:15:16 +08:00
|
|
|
break;
|
|
|
|
case USB_ENDPOINT_XFER_INT:
|
2005-10-26 03:56:06 +08:00
|
|
|
if (udev->speed == USB_SPEED_HIGH)
|
|
|
|
interval = 1 << (desc->bInterval - 1);
|
|
|
|
else
|
|
|
|
interval = desc->bInterval;
|
2005-06-21 12:15:16 +08:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
interval *= (udev->speed == USB_SPEED_HIGH) ? 125 : 1000;
|
|
|
|
if (interval % 1000)
|
|
|
|
unit = 'u';
|
|
|
|
else {
|
|
|
|
unit = 'm';
|
|
|
|
interval /= 1000;
|
|
|
|
}
|
|
|
|
|
|
|
|
return sprintf(buf, "%d%cs\n", interval, unit);
|
|
|
|
}
|
2005-10-26 03:56:06 +08:00
|
|
|
static EP_ATTR(interval);
|
2005-06-21 12:15:16 +08:00
|
|
|
|
2005-10-26 03:56:06 +08:00
|
|
|
static ssize_t show_ep_direction(struct usb_device *udev,
|
|
|
|
struct usb_endpoint_descriptor *desc, char *buf)
|
2005-06-21 12:15:16 +08:00
|
|
|
{
|
|
|
|
char *direction;
|
|
|
|
|
2005-10-26 03:56:06 +08:00
|
|
|
if ((desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
|
|
|
|
USB_ENDPOINT_XFER_CONTROL)
|
2005-06-21 12:15:16 +08:00
|
|
|
direction = "both";
|
2005-10-26 03:56:06 +08:00
|
|
|
else if (desc->bEndpointAddress & USB_DIR_IN)
|
2005-06-21 12:15:16 +08:00
|
|
|
direction = "in";
|
|
|
|
else
|
|
|
|
direction = "out";
|
|
|
|
return sprintf(buf, "%s\n", direction);
|
|
|
|
}
|
2005-10-26 03:56:06 +08:00
|
|
|
static EP_ATTR(direction);
|
|
|
|
|
|
|
|
static struct attribute *ep_attrs[] = {
|
|
|
|
&ep_bLength.attr,
|
|
|
|
&ep_bEndpointAddress.attr,
|
|
|
|
&ep_bmAttributes.attr,
|
|
|
|
&ep_bInterval.attr,
|
|
|
|
&ep_wMaxPacketSize.attr,
|
|
|
|
&ep_type.attr,
|
|
|
|
&ep_interval.attr,
|
|
|
|
&ep_direction.attr,
|
|
|
|
NULL,
|
|
|
|
};
|
2005-06-21 12:15:16 +08:00
|
|
|
|
2005-10-26 03:56:06 +08:00
|
|
|
static void ep_object_release(struct kobject *kobj)
|
2005-06-21 12:15:16 +08:00
|
|
|
{
|
2005-10-26 03:56:06 +08:00
|
|
|
kfree(to_ep_object(kobj));
|
2005-06-21 12:15:16 +08:00
|
|
|
}
|
|
|
|
|
2005-10-26 03:56:06 +08:00
|
|
|
static ssize_t ep_object_show(struct kobject *kobj, struct attribute *attr,
|
|
|
|
char *buf)
|
2005-06-21 12:15:16 +08:00
|
|
|
{
|
2005-10-26 03:56:06 +08:00
|
|
|
struct ep_object *ep_obj = to_ep_object(kobj);
|
|
|
|
struct ep_attribute *ep_attr = to_ep_attribute(attr);
|
|
|
|
|
|
|
|
return (ep_attr->show)(ep_obj->udev, ep_obj->desc, buf);
|
2005-06-21 12:15:16 +08:00
|
|
|
}
|
|
|
|
|
2005-10-26 03:56:06 +08:00
|
|
|
static struct sysfs_ops ep_object_sysfs_ops = {
|
|
|
|
.show = ep_object_show,
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct kobj_type ep_object_ktype = {
|
|
|
|
.release = ep_object_release,
|
|
|
|
.sysfs_ops = &ep_object_sysfs_ops,
|
|
|
|
.default_attrs = ep_attrs,
|
|
|
|
};
|
|
|
|
|
|
|
|
static void usb_create_ep_files(struct kobject *parent,
|
|
|
|
struct usb_host_endpoint *endpoint,
|
|
|
|
struct usb_device *udev)
|
2005-06-21 12:15:16 +08:00
|
|
|
{
|
2005-10-26 03:56:06 +08:00
|
|
|
struct ep_object *ep_obj;
|
|
|
|
struct kobject *kobj;
|
|
|
|
|
|
|
|
ep_obj = kzalloc(sizeof(struct ep_object), GFP_KERNEL);
|
|
|
|
if (!ep_obj)
|
|
|
|
return;
|
2005-06-21 12:15:16 +08:00
|
|
|
|
2005-10-26 03:56:06 +08:00
|
|
|
ep_obj->desc = &endpoint->desc;
|
|
|
|
ep_obj->udev = udev;
|
|
|
|
|
|
|
|
kobj = &ep_obj->kobj;
|
|
|
|
kobject_set_name(kobj, "ep_%02x", endpoint->desc.bEndpointAddress);
|
|
|
|
kobj->parent = parent;
|
|
|
|
kobj->ktype = &ep_object_ktype;
|
|
|
|
|
|
|
|
/* Don't use kobject_register, because it generates a hotplug event */
|
|
|
|
kobject_init(kobj);
|
|
|
|
if (kobject_add(kobj) == 0)
|
|
|
|
endpoint->kobj = kobj;
|
|
|
|
else
|
|
|
|
kobject_put(kobj);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void usb_remove_ep_files(struct usb_host_endpoint *endpoint)
|
|
|
|
{
|
|
|
|
|
|
|
|
if (endpoint->kobj) {
|
|
|
|
kobject_del(endpoint->kobj);
|
|
|
|
kobject_put(endpoint->kobj);
|
|
|
|
endpoint->kobj = NULL;
|
|
|
|
}
|
2005-06-21 12:15:16 +08:00
|
|
|
}
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
/* Active configuration fields */
|
|
|
|
#define usb_actconfig_show(field, multiplier, format_string) \
|
2005-10-25 03:36:00 +08:00
|
|
|
static ssize_t show_##field (struct device *dev, \
|
|
|
|
struct device_attribute *attr, char *buf) \
|
2005-04-17 06:20:36 +08:00
|
|
|
{ \
|
|
|
|
struct usb_device *udev; \
|
|
|
|
struct usb_host_config *actconfig; \
|
|
|
|
\
|
|
|
|
udev = to_usb_device (dev); \
|
|
|
|
actconfig = udev->actconfig; \
|
|
|
|
if (actconfig) \
|
|
|
|
return sprintf (buf, format_string, \
|
|
|
|
actconfig->desc.field * multiplier); \
|
|
|
|
else \
|
|
|
|
return 0; \
|
|
|
|
} \
|
|
|
|
|
|
|
|
#define usb_actconfig_attr(field, multiplier, format_string) \
|
|
|
|
usb_actconfig_show(field, multiplier, format_string) \
|
|
|
|
static DEVICE_ATTR(field, S_IRUGO, show_##field, NULL);
|
|
|
|
|
|
|
|
usb_actconfig_attr (bNumInterfaces, 1, "%2d\n")
|
|
|
|
usb_actconfig_attr (bmAttributes, 1, "%2x\n")
|
|
|
|
usb_actconfig_attr (bMaxPower, 2, "%3dmA\n")
|
|
|
|
|
2005-10-25 03:36:00 +08:00
|
|
|
static ssize_t show_configuration_string(struct device *dev,
|
|
|
|
struct device_attribute *attr, char *buf)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
|
|
|
struct usb_device *udev;
|
|
|
|
struct usb_host_config *actconfig;
|
|
|
|
|
|
|
|
udev = to_usb_device (dev);
|
|
|
|
actconfig = udev->actconfig;
|
|
|
|
if ((!actconfig) || (!actconfig->string))
|
|
|
|
return 0;
|
2005-10-25 04:24:14 +08:00
|
|
|
return sprintf(buf, "%s\n", actconfig->string);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
static DEVICE_ATTR(configuration, S_IRUGO, show_configuration_string, NULL);
|
|
|
|
|
|
|
|
/* configuration value is always present, and r/w */
|
|
|
|
usb_actconfig_show(bConfigurationValue, 1, "%u\n");
|
|
|
|
|
|
|
|
static ssize_t
|
2005-10-25 03:36:00 +08:00
|
|
|
set_bConfigurationValue (struct device *dev, struct device_attribute *attr,
|
|
|
|
const char *buf, size_t count)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
|
|
|
struct usb_device *udev = udev = to_usb_device (dev);
|
|
|
|
int config, value;
|
|
|
|
|
|
|
|
if (sscanf (buf, "%u", &config) != 1 || config > 255)
|
|
|
|
return -EINVAL;
|
|
|
|
usb_lock_device(udev);
|
|
|
|
value = usb_set_configuration (udev, config);
|
|
|
|
usb_unlock_device(udev);
|
|
|
|
return (value < 0) ? value : count;
|
|
|
|
}
|
|
|
|
|
|
|
|
static DEVICE_ATTR(bConfigurationValue, S_IRUGO | S_IWUSR,
|
|
|
|
show_bConfigurationValue, set_bConfigurationValue);
|
|
|
|
|
|
|
|
/* String fields */
|
|
|
|
#define usb_string_attr(name) \
|
2005-10-25 03:36:00 +08:00
|
|
|
static ssize_t show_##name(struct device *dev, \
|
|
|
|
struct device_attribute *attr, char *buf) \
|
2005-04-17 06:20:36 +08:00
|
|
|
{ \
|
|
|
|
struct usb_device *udev; \
|
|
|
|
\
|
|
|
|
udev = to_usb_device (dev); \
|
2005-10-25 04:24:14 +08:00
|
|
|
return sprintf(buf, "%s\n", udev->name); \
|
2005-04-17 06:20:36 +08:00
|
|
|
} \
|
|
|
|
static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL);
|
|
|
|
|
|
|
|
usb_string_attr(product);
|
|
|
|
usb_string_attr(manufacturer);
|
|
|
|
usb_string_attr(serial);
|
|
|
|
|
|
|
|
static ssize_t
|
2005-05-17 18:43:37 +08:00
|
|
|
show_speed (struct device *dev, struct device_attribute *attr, char *buf)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
|
|
|
struct usb_device *udev;
|
|
|
|
char *speed;
|
|
|
|
|
|
|
|
udev = to_usb_device (dev);
|
|
|
|
|
|
|
|
switch (udev->speed) {
|
|
|
|
case USB_SPEED_LOW:
|
|
|
|
speed = "1.5";
|
|
|
|
break;
|
|
|
|
case USB_SPEED_UNKNOWN:
|
|
|
|
case USB_SPEED_FULL:
|
|
|
|
speed = "12";
|
|
|
|
break;
|
|
|
|
case USB_SPEED_HIGH:
|
|
|
|
speed = "480";
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
speed = "unknown";
|
|
|
|
}
|
|
|
|
return sprintf (buf, "%s\n", speed);
|
|
|
|
}
|
|
|
|
static DEVICE_ATTR(speed, S_IRUGO, show_speed, NULL);
|
|
|
|
|
|
|
|
static ssize_t
|
2005-05-17 18:43:37 +08:00
|
|
|
show_devnum (struct device *dev, struct device_attribute *attr, char *buf)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
|
|
|
struct usb_device *udev;
|
|
|
|
|
|
|
|
udev = to_usb_device (dev);
|
|
|
|
return sprintf (buf, "%d\n", udev->devnum);
|
|
|
|
}
|
|
|
|
static DEVICE_ATTR(devnum, S_IRUGO, show_devnum, NULL);
|
|
|
|
|
|
|
|
static ssize_t
|
2005-05-17 18:43:37 +08:00
|
|
|
show_version (struct device *dev, struct device_attribute *attr, char *buf)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
|
|
|
struct usb_device *udev;
|
|
|
|
u16 bcdUSB;
|
|
|
|
|
|
|
|
udev = to_usb_device(dev);
|
|
|
|
bcdUSB = le16_to_cpu(udev->descriptor.bcdUSB);
|
|
|
|
return sprintf(buf, "%2x.%02x\n", bcdUSB >> 8, bcdUSB & 0xff);
|
|
|
|
}
|
|
|
|
static DEVICE_ATTR(version, S_IRUGO, show_version, NULL);
|
|
|
|
|
|
|
|
static ssize_t
|
2005-05-17 18:43:37 +08:00
|
|
|
show_maxchild (struct device *dev, struct device_attribute *attr, char *buf)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
|
|
|
struct usb_device *udev;
|
|
|
|
|
|
|
|
udev = to_usb_device (dev);
|
|
|
|
return sprintf (buf, "%d\n", udev->maxchild);
|
|
|
|
}
|
|
|
|
static DEVICE_ATTR(maxchild, S_IRUGO, show_maxchild, NULL);
|
|
|
|
|
|
|
|
/* Descriptor fields */
|
|
|
|
#define usb_descriptor_attr_le16(field, format_string) \
|
|
|
|
static ssize_t \
|
2005-10-25 03:36:00 +08:00
|
|
|
show_##field (struct device *dev, struct device_attribute *attr, \
|
|
|
|
char *buf) \
|
2005-04-17 06:20:36 +08:00
|
|
|
{ \
|
|
|
|
struct usb_device *udev; \
|
|
|
|
\
|
|
|
|
udev = to_usb_device (dev); \
|
|
|
|
return sprintf (buf, format_string, \
|
|
|
|
le16_to_cpu(udev->descriptor.field)); \
|
|
|
|
} \
|
|
|
|
static DEVICE_ATTR(field, S_IRUGO, show_##field, NULL);
|
|
|
|
|
|
|
|
usb_descriptor_attr_le16(idVendor, "%04x\n")
|
|
|
|
usb_descriptor_attr_le16(idProduct, "%04x\n")
|
|
|
|
usb_descriptor_attr_le16(bcdDevice, "%04x\n")
|
|
|
|
|
|
|
|
#define usb_descriptor_attr(field, format_string) \
|
|
|
|
static ssize_t \
|
2005-10-25 03:36:00 +08:00
|
|
|
show_##field (struct device *dev, struct device_attribute *attr, \
|
|
|
|
char *buf) \
|
2005-04-17 06:20:36 +08:00
|
|
|
{ \
|
|
|
|
struct usb_device *udev; \
|
|
|
|
\
|
|
|
|
udev = to_usb_device (dev); \
|
|
|
|
return sprintf (buf, format_string, udev->descriptor.field); \
|
|
|
|
} \
|
|
|
|
static DEVICE_ATTR(field, S_IRUGO, show_##field, NULL);
|
|
|
|
|
|
|
|
usb_descriptor_attr (bDeviceClass, "%02x\n")
|
|
|
|
usb_descriptor_attr (bDeviceSubClass, "%02x\n")
|
|
|
|
usb_descriptor_attr (bDeviceProtocol, "%02x\n")
|
|
|
|
usb_descriptor_attr (bNumConfigurations, "%d\n")
|
2005-06-30 07:53:29 +08:00
|
|
|
usb_descriptor_attr (bMaxPacketSize0, "%d\n")
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
static struct attribute *dev_attrs[] = {
|
|
|
|
/* current configuration's attributes */
|
|
|
|
&dev_attr_bNumInterfaces.attr,
|
|
|
|
&dev_attr_bConfigurationValue.attr,
|
|
|
|
&dev_attr_bmAttributes.attr,
|
|
|
|
&dev_attr_bMaxPower.attr,
|
|
|
|
/* device attributes */
|
|
|
|
&dev_attr_idVendor.attr,
|
|
|
|
&dev_attr_idProduct.attr,
|
|
|
|
&dev_attr_bcdDevice.attr,
|
|
|
|
&dev_attr_bDeviceClass.attr,
|
|
|
|
&dev_attr_bDeviceSubClass.attr,
|
|
|
|
&dev_attr_bDeviceProtocol.attr,
|
|
|
|
&dev_attr_bNumConfigurations.attr,
|
2005-06-30 07:53:29 +08:00
|
|
|
&dev_attr_bMaxPacketSize0.attr,
|
2005-04-17 06:20:36 +08:00
|
|
|
&dev_attr_speed.attr,
|
|
|
|
&dev_attr_devnum.attr,
|
|
|
|
&dev_attr_version.attr,
|
|
|
|
&dev_attr_maxchild.attr,
|
|
|
|
NULL,
|
|
|
|
};
|
|
|
|
static struct attribute_group dev_attr_grp = {
|
|
|
|
.attrs = dev_attrs,
|
|
|
|
};
|
|
|
|
|
|
|
|
void usb_create_sysfs_dev_files (struct usb_device *udev)
|
|
|
|
{
|
|
|
|
struct device *dev = &udev->dev;
|
|
|
|
|
|
|
|
sysfs_create_group(&dev->kobj, &dev_attr_grp);
|
|
|
|
|
|
|
|
if (udev->manufacturer)
|
|
|
|
device_create_file (dev, &dev_attr_manufacturer);
|
|
|
|
if (udev->product)
|
|
|
|
device_create_file (dev, &dev_attr_product);
|
|
|
|
if (udev->serial)
|
|
|
|
device_create_file (dev, &dev_attr_serial);
|
|
|
|
device_create_file (dev, &dev_attr_configuration);
|
2005-06-21 12:15:16 +08:00
|
|
|
usb_create_ep_files(&dev->kobj, &udev->ep0, udev);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
void usb_remove_sysfs_dev_files (struct usb_device *udev)
|
|
|
|
{
|
|
|
|
struct device *dev = &udev->dev;
|
|
|
|
|
2005-10-26 03:56:06 +08:00
|
|
|
usb_remove_ep_files(&udev->ep0);
|
2005-04-17 06:20:36 +08:00
|
|
|
sysfs_remove_group(&dev->kobj, &dev_attr_grp);
|
|
|
|
|
2005-10-25 04:24:14 +08:00
|
|
|
if (udev->manufacturer)
|
2005-04-17 06:20:36 +08:00
|
|
|
device_remove_file(dev, &dev_attr_manufacturer);
|
2005-10-25 04:24:14 +08:00
|
|
|
if (udev->product)
|
2005-04-17 06:20:36 +08:00
|
|
|
device_remove_file(dev, &dev_attr_product);
|
2005-10-25 04:24:14 +08:00
|
|
|
if (udev->serial)
|
2005-04-17 06:20:36 +08:00
|
|
|
device_remove_file(dev, &dev_attr_serial);
|
|
|
|
device_remove_file (dev, &dev_attr_configuration);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Interface fields */
|
|
|
|
#define usb_intf_attr(field, format_string) \
|
|
|
|
static ssize_t \
|
2005-10-25 03:36:00 +08:00
|
|
|
show_##field (struct device *dev, struct device_attribute *attr, \
|
|
|
|
char *buf) \
|
2005-04-17 06:20:36 +08:00
|
|
|
{ \
|
|
|
|
struct usb_interface *intf = to_usb_interface (dev); \
|
|
|
|
\
|
2005-10-25 03:36:00 +08:00
|
|
|
return sprintf (buf, format_string, \
|
|
|
|
intf->cur_altsetting->desc.field); \
|
2005-04-17 06:20:36 +08:00
|
|
|
} \
|
|
|
|
static DEVICE_ATTR(field, S_IRUGO, show_##field, NULL);
|
|
|
|
|
|
|
|
usb_intf_attr (bInterfaceNumber, "%02x\n")
|
|
|
|
usb_intf_attr (bAlternateSetting, "%2d\n")
|
|
|
|
usb_intf_attr (bNumEndpoints, "%02x\n")
|
|
|
|
usb_intf_attr (bInterfaceClass, "%02x\n")
|
|
|
|
usb_intf_attr (bInterfaceSubClass, "%02x\n")
|
|
|
|
usb_intf_attr (bInterfaceProtocol, "%02x\n")
|
|
|
|
|
2005-10-25 03:36:00 +08:00
|
|
|
static ssize_t show_interface_string(struct device *dev,
|
|
|
|
struct device_attribute *attr, char *buf)
|
2005-04-17 06:20:36 +08:00
|
|
|
{
|
|
|
|
struct usb_interface *intf;
|
|
|
|
struct usb_device *udev;
|
|
|
|
int len;
|
|
|
|
|
|
|
|
intf = to_usb_interface (dev);
|
|
|
|
udev = interface_to_usbdev (intf);
|
|
|
|
len = snprintf(buf, 256, "%s", intf->cur_altsetting->string);
|
|
|
|
if (len < 0)
|
|
|
|
return 0;
|
|
|
|
buf[len] = '\n';
|
|
|
|
buf[len+1] = 0;
|
|
|
|
return len+1;
|
|
|
|
}
|
|
|
|
static DEVICE_ATTR(interface, S_IRUGO, show_interface_string, NULL);
|
|
|
|
|
2005-10-25 03:36:00 +08:00
|
|
|
static ssize_t show_modalias(struct device *dev,
|
|
|
|
struct device_attribute *attr, char *buf)
|
2005-05-10 21:45:10 +08:00
|
|
|
{
|
|
|
|
struct usb_interface *intf;
|
|
|
|
struct usb_device *udev;
|
2005-06-21 12:15:16 +08:00
|
|
|
struct usb_host_interface *alt;
|
2005-05-10 21:45:10 +08:00
|
|
|
|
|
|
|
intf = to_usb_interface(dev);
|
|
|
|
udev = interface_to_usbdev(intf);
|
2005-06-21 12:15:16 +08:00
|
|
|
alt = intf->cur_altsetting;
|
|
|
|
|
|
|
|
return sprintf(buf, "usb:v%04Xp%04Xd%04Xdc%02Xdsc%02Xdp%02X"
|
|
|
|
"ic%02Xisc%02Xip%02X\n",
|
|
|
|
le16_to_cpu(udev->descriptor.idVendor),
|
|
|
|
le16_to_cpu(udev->descriptor.idProduct),
|
|
|
|
le16_to_cpu(udev->descriptor.bcdDevice),
|
|
|
|
udev->descriptor.bDeviceClass,
|
|
|
|
udev->descriptor.bDeviceSubClass,
|
|
|
|
udev->descriptor.bDeviceProtocol,
|
|
|
|
alt->desc.bInterfaceClass,
|
|
|
|
alt->desc.bInterfaceSubClass,
|
|
|
|
alt->desc.bInterfaceProtocol);
|
2005-05-10 21:45:10 +08:00
|
|
|
}
|
|
|
|
static DEVICE_ATTR(modalias, S_IRUGO, show_modalias, NULL);
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
static struct attribute *intf_attrs[] = {
|
|
|
|
&dev_attr_bInterfaceNumber.attr,
|
|
|
|
&dev_attr_bAlternateSetting.attr,
|
|
|
|
&dev_attr_bNumEndpoints.attr,
|
|
|
|
&dev_attr_bInterfaceClass.attr,
|
|
|
|
&dev_attr_bInterfaceSubClass.attr,
|
|
|
|
&dev_attr_bInterfaceProtocol.attr,
|
2005-05-10 21:45:10 +08:00
|
|
|
&dev_attr_modalias.attr,
|
2005-04-17 06:20:36 +08:00
|
|
|
NULL,
|
|
|
|
};
|
|
|
|
static struct attribute_group intf_attr_grp = {
|
|
|
|
.attrs = intf_attrs,
|
|
|
|
};
|
|
|
|
|
2005-10-25 04:24:14 +08:00
|
|
|
static inline void usb_create_intf_ep_files(struct usb_interface *intf,
|
|
|
|
struct usb_device *udev)
|
2005-06-21 12:15:16 +08:00
|
|
|
{
|
|
|
|
struct usb_host_interface *iface_desc;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
iface_desc = intf->cur_altsetting;
|
|
|
|
for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i)
|
|
|
|
usb_create_ep_files(&intf->dev.kobj, &iface_desc->endpoint[i],
|
2005-10-25 04:24:14 +08:00
|
|
|
udev);
|
2005-06-21 12:15:16 +08:00
|
|
|
}
|
|
|
|
|
2005-10-26 03:56:06 +08:00
|
|
|
static inline void usb_remove_intf_ep_files(struct usb_interface *intf)
|
2005-06-21 12:15:16 +08:00
|
|
|
{
|
|
|
|
struct usb_host_interface *iface_desc;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
iface_desc = intf->cur_altsetting;
|
|
|
|
for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i)
|
2005-10-26 03:56:06 +08:00
|
|
|
usb_remove_ep_files(&iface_desc->endpoint[i]);
|
2005-06-21 12:15:16 +08:00
|
|
|
}
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
void usb_create_sysfs_intf_files (struct usb_interface *intf)
|
|
|
|
{
|
2005-10-25 04:24:14 +08:00
|
|
|
struct usb_device *udev = interface_to_usbdev(intf);
|
|
|
|
struct usb_host_interface *alt = intf->cur_altsetting;
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
sysfs_create_group(&intf->dev.kobj, &intf_attr_grp);
|
|
|
|
|
2005-10-25 04:24:14 +08:00
|
|
|
if (alt->string == NULL)
|
|
|
|
alt->string = usb_cache_string(udev, alt->desc.iInterface);
|
|
|
|
if (alt->string)
|
2005-04-17 06:20:36 +08:00
|
|
|
device_create_file(&intf->dev, &dev_attr_interface);
|
2005-10-25 04:24:14 +08:00
|
|
|
usb_create_intf_ep_files(intf, udev);
|
2005-04-17 06:20:36 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
void usb_remove_sysfs_intf_files (struct usb_interface *intf)
|
|
|
|
{
|
2005-06-21 12:15:16 +08:00
|
|
|
usb_remove_intf_ep_files(intf);
|
2005-04-17 06:20:36 +08:00
|
|
|
sysfs_remove_group(&intf->dev.kobj, &intf_attr_grp);
|
|
|
|
|
|
|
|
if (intf->cur_altsetting->string)
|
|
|
|
device_remove_file(&intf->dev, &dev_attr_interface);
|
|
|
|
}
|