#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"
+/* endpoint stuff */
+struct ep_object {
+ struct usb_endpoint_descriptor *desc;
+ struct usb_device *udev;
+ struct kobject kobj;
+};
+#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);
+
+usb_ep_attr(bLength, "%02x\n")
+usb_ep_attr(bEndpointAddress, "%02x\n")
+usb_ep_attr(bmAttributes, "%02x\n")
+usb_ep_attr(bInterval, "%02x\n")
+
+static ssize_t show_ep_wMaxPacketSize(struct usb_device *udev,
+ struct usb_endpoint_descriptor *desc, char *buf)
+{
+ return sprintf(buf, "%04x\n",
+ le16_to_cpu(desc->wMaxPacketSize) & 0x07ff);
+}
+static EP_ATTR(wMaxPacketSize);
+
+static ssize_t show_ep_type(struct usb_device *udev,
+ struct usb_endpoint_descriptor *desc, char *buf)
+{
+ char *type = "unknown";
+
+ switch (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) {
+ 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);
+}
+static EP_ATTR(type);
+
+static ssize_t show_ep_interval(struct usb_device *udev,
+ struct usb_endpoint_descriptor *desc, char *buf)
+{
+ char unit;
+ unsigned interval = 0;
+ unsigned in;
+
+ in = (desc->bEndpointAddress & USB_DIR_IN);
+
+ switch (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) {
+ case USB_ENDPOINT_XFER_CONTROL:
+ if (udev->speed == USB_SPEED_HIGH) /* uframes per NAK */
+ interval = desc->bInterval;
+ break;
+ case USB_ENDPOINT_XFER_ISOC:
+ interval = 1 << (desc->bInterval - 1);
+ break;
+ case USB_ENDPOINT_XFER_BULK:
+ if (udev->speed == USB_SPEED_HIGH && !in) /* uframes per NAK */
+ interval = desc->bInterval;
+ break;
+ case USB_ENDPOINT_XFER_INT:
+ if (udev->speed == USB_SPEED_HIGH)
+ interval = 1 << (desc->bInterval - 1);
+ else
+ interval = desc->bInterval;
+ 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);
+}
+static EP_ATTR(interval);
+
+static ssize_t show_ep_direction(struct usb_device *udev,
+ struct usb_endpoint_descriptor *desc, char *buf)
+{
+ char *direction;
+
+ if ((desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
+ USB_ENDPOINT_XFER_CONTROL)
+ direction = "both";
+ else if (desc->bEndpointAddress & USB_DIR_IN)
+ direction = "in";
+ else
+ direction = "out";
+ return sprintf(buf, "%s\n", direction);
+}
+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,
+};
+
+static void ep_object_release(struct kobject *kobj)
+{
+ kfree(to_ep_object(kobj));
+}
+
+static ssize_t ep_object_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ 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);
+}
+
+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)
+{
+ struct ep_object *ep_obj;
+ struct kobject *kobj;
+
+ ep_obj = kzalloc(sizeof(struct ep_object), GFP_KERNEL);
+ if (!ep_obj)
+ return;
+
+ 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;
+ }
+}
+
/* Active configuration fields */
#define usb_actconfig_show(field, multiplier, format_string) \
-static ssize_t show_##field (struct device *dev, char *buf) \
+static ssize_t show_##field (struct device *dev, \
+ struct device_attribute *attr, char *buf) \
{ \
struct usb_device *udev; \
struct usb_host_config *actconfig; \
usb_actconfig_attr (bmAttributes, 1, "%2x\n")
usb_actconfig_attr (bMaxPower, 2, "%3dmA\n")
-static ssize_t show_configuration_string(struct device *dev, char *buf)
+static ssize_t show_configuration_string(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct usb_device *udev;
struct usb_host_config *actconfig;
- int len;
udev = to_usb_device (dev);
actconfig = udev->actconfig;
if ((!actconfig) || (!actconfig->string))
return 0;
- len = sprintf(buf, actconfig->string, PAGE_SIZE);
- if (len < 0)
- return 0;
- buf[len] = '\n';
- buf[len+1] = 0;
- return len+1;
+ return sprintf(buf, "%s\n", actconfig->string);
}
static DEVICE_ATTR(configuration, S_IRUGO, show_configuration_string, NULL);
usb_actconfig_show(bConfigurationValue, 1, "%u\n");
static ssize_t
-set_bConfigurationValue (struct device *dev, const char *buf, size_t count)
+set_bConfigurationValue (struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct usb_device *udev = udev = to_usb_device (dev);
int config, value;
/* String fields */
#define usb_string_attr(name) \
-static ssize_t show_##name(struct device *dev, char *buf) \
+static ssize_t show_##name(struct device *dev, \
+ struct device_attribute *attr, char *buf) \
{ \
struct usb_device *udev; \
- int len; \
\
udev = to_usb_device (dev); \
- len = snprintf(buf, 256, "%s", udev->name); \
- if (len < 0) \
- return 0; \
- buf[len] = '\n'; \
- buf[len+1] = 0; \
- return len+1; \
+ return sprintf(buf, "%s\n", udev->name); \
} \
static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL);
usb_string_attr(serial);
static ssize_t
-show_speed (struct device *dev, char *buf)
+show_speed (struct device *dev, struct device_attribute *attr, char *buf)
{
struct usb_device *udev;
char *speed;
static DEVICE_ATTR(speed, S_IRUGO, show_speed, NULL);
static ssize_t
-show_devnum (struct device *dev, char *buf)
+show_devnum (struct device *dev, struct device_attribute *attr, char *buf)
{
struct usb_device *udev;
static DEVICE_ATTR(devnum, S_IRUGO, show_devnum, NULL);
static ssize_t
-show_version (struct device *dev, char *buf)
+show_version (struct device *dev, struct device_attribute *attr, char *buf)
{
struct usb_device *udev;
u16 bcdUSB;
static DEVICE_ATTR(version, S_IRUGO, show_version, NULL);
static ssize_t
-show_maxchild (struct device *dev, char *buf)
+show_maxchild (struct device *dev, struct device_attribute *attr, char *buf)
{
struct usb_device *udev;
/* Descriptor fields */
#define usb_descriptor_attr_le16(field, format_string) \
static ssize_t \
-show_##field (struct device *dev, char *buf) \
+show_##field (struct device *dev, struct device_attribute *attr, \
+ char *buf) \
{ \
struct usb_device *udev; \
\
#define usb_descriptor_attr(field, format_string) \
static ssize_t \
-show_##field (struct device *dev, char *buf) \
+show_##field (struct device *dev, struct device_attribute *attr, \
+ char *buf) \
{ \
struct usb_device *udev; \
\
usb_descriptor_attr (bDeviceSubClass, "%02x\n")
usb_descriptor_attr (bDeviceProtocol, "%02x\n")
usb_descriptor_attr (bNumConfigurations, "%d\n")
+usb_descriptor_attr (bMaxPacketSize0, "%d\n")
static struct attribute *dev_attrs[] = {
/* current configuration's attributes */
&dev_attr_bDeviceSubClass.attr,
&dev_attr_bDeviceProtocol.attr,
&dev_attr_bNumConfigurations.attr,
+ &dev_attr_bMaxPacketSize0.attr,
&dev_attr_speed.attr,
&dev_attr_devnum.attr,
&dev_attr_version.attr,
if (udev->serial)
device_create_file (dev, &dev_attr_serial);
device_create_file (dev, &dev_attr_configuration);
+ usb_create_ep_files(&dev->kobj, &udev->ep0, udev);
}
void usb_remove_sysfs_dev_files (struct usb_device *udev)
{
struct device *dev = &udev->dev;
+ usb_remove_ep_files(&udev->ep0);
sysfs_remove_group(&dev->kobj, &dev_attr_grp);
- if (udev->descriptor.iManufacturer)
+ if (udev->manufacturer)
device_remove_file(dev, &dev_attr_manufacturer);
- if (udev->descriptor.iProduct)
+ if (udev->product)
device_remove_file(dev, &dev_attr_product);
- if (udev->descriptor.iSerialNumber)
+ if (udev->serial)
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 \
-show_##field (struct device *dev, char *buf) \
+show_##field (struct device *dev, struct device_attribute *attr, \
+ char *buf) \
{ \
struct usb_interface *intf = to_usb_interface (dev); \
\
- return sprintf (buf, format_string, intf->cur_altsetting->desc.field); \
+ return sprintf (buf, format_string, \
+ intf->cur_altsetting->desc.field); \
} \
static DEVICE_ATTR(field, S_IRUGO, show_##field, NULL);
usb_intf_attr (bInterfaceSubClass, "%02x\n")
usb_intf_attr (bInterfaceProtocol, "%02x\n")
-static ssize_t show_interface_string(struct device *dev, char *buf)
+static ssize_t show_interface_string(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct usb_interface *intf;
struct usb_device *udev;
}
static DEVICE_ATTR(interface, S_IRUGO, show_interface_string, NULL);
-static ssize_t show_modalias(struct device *dev, char *buf)
+static ssize_t show_modalias(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct usb_interface *intf;
struct usb_device *udev;
- int len;
+ struct usb_host_interface *alt;
intf = to_usb_interface(dev);
udev = interface_to_usbdev(intf);
-
- len = sprintf(buf, "usb:v%04Xp%04Xd%04Xdc%02Xdsc%02Xdp%02Xic",
- 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);
- buf += len;
-
- if (udev->descriptor.bDeviceClass == 0) {
- struct usb_host_interface *alt = intf->cur_altsetting;
-
- return len + sprintf(buf, "%02Xisc%02Xip%02X\n",
- alt->desc.bInterfaceClass,
- alt->desc.bInterfaceSubClass,
- alt->desc.bInterfaceProtocol);
- } else {
- return len + sprintf(buf, "*isc*ip*\n");
- }
+ 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);
}
static DEVICE_ATTR(modalias, S_IRUGO, show_modalias, NULL);
.attrs = intf_attrs,
};
+static inline void usb_create_intf_ep_files(struct usb_interface *intf,
+ struct usb_device *udev)
+{
+ 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],
+ udev);
+}
+
+static inline void usb_remove_intf_ep_files(struct usb_interface *intf)
+{
+ struct usb_host_interface *iface_desc;
+ int i;
+
+ iface_desc = intf->cur_altsetting;
+ for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i)
+ usb_remove_ep_files(&iface_desc->endpoint[i]);
+}
+
void usb_create_sysfs_intf_files (struct usb_interface *intf)
{
+ struct usb_device *udev = interface_to_usbdev(intf);
+ struct usb_host_interface *alt = intf->cur_altsetting;
+
sysfs_create_group(&intf->dev.kobj, &intf_attr_grp);
- if (intf->cur_altsetting->string)
+ if (alt->string == NULL)
+ alt->string = usb_cache_string(udev, alt->desc.iInterface);
+ if (alt->string)
device_create_file(&intf->dev, &dev_attr_interface);
-
+ usb_create_intf_ep_files(intf, udev);
}
void usb_remove_sysfs_intf_files (struct usb_interface *intf)
{
+ usb_remove_intf_ep_files(intf);
sysfs_remove_group(&intf->dev.kobj, &intf_attr_grp);
if (intf->cur_altsetting->string)
device_remove_file(&intf->dev, &dev_attr_interface);
-
}
git://git.onelab.eu / linux-2.6.git / blobdiff