#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, struct device_attribute *attr, char *buf) \
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)
{
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_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],
+ interface_to_usbdev(intf));
+}
+
+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)
{
sysfs_create_group(&intf->dev.kobj, &intf_attr_grp);
if (intf->cur_altsetting->string)
device_create_file(&intf->dev, &dev_attr_interface);
-
+ usb_create_intf_ep_files(intf);
}
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);
-
}
projects / linux-2.6-omap-h63xx.git / blobdiff