This makes it easier to modify in the future without touching anything else.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
#
usbcore-objs := usb.o hub.o hcd.o urb.o message.o driver.o \
- config.o file.o buffer.o sysfs.o devio.o notify.o
+ config.o file.o buffer.o sysfs.o endpoint.o \
+ devio.o notify.o
ifeq ($(CONFIG_PCI),y)
usbcore-objs += hcd-pci.o
--- /dev/null
+/*
+ * drivers/usb/core/endpoint.c
+ *
+ * (C) Copyright 2002,2004,2006 Greg Kroah-Hartman
+ * (C) Copyright 2002,2004 IBM Corp.
+ * (C) Copyright 2006 Novell Inc.
+ *
+ * Endpoint sysfs stuff
+ *
+ */
+
+#include <linux/kernel.h>
+#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,
+};
+
+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);
+}
+
+void usb_remove_ep_files(struct usb_host_endpoint *endpoint)
+{
+
+ if (endpoint->kobj) {
+ kobject_del(endpoint->kobj);
+ kobject_put(endpoint->kobj);
+ endpoint->kobj = NULL;
+ }
+}
+
+
#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, \
extern void usb_remove_sysfs_dev_files (struct usb_device *dev);
extern void usb_create_sysfs_intf_files (struct usb_interface *intf);
extern void usb_remove_sysfs_intf_files (struct usb_interface *intf);
+extern void usb_create_ep_files(struct kobject *parent, struct usb_host_endpoint *endpoint,
+ struct usb_device *udev);
+extern void usb_remove_ep_files(struct usb_host_endpoint *endpoint);
extern void usb_disable_endpoint (struct usb_device *dev, unsigned int epaddr);
extern void usb_disable_interface (struct usb_device *dev,
projects / linux-2.6 / commitdiff