};
#define DUMMY_ENDPOINTS (sizeof(ep_name)/sizeof(char *))
+/*-------------------------------------------------------------------------*/
+
#define FIFO_SIZE 64
struct urbp {
return dummy_to_hcd(dum)->self.controller;
}
+static inline struct device *udc_dev (struct dummy *dum)
+{
+ return dum->gadget.dev.parent;
+}
+
static inline struct dummy *ep_to_dummy (struct dummy_ep *ep)
{
return container_of (ep->gadget, struct dummy, gadget);
/*-------------------------------------------------------------------------*/
-/*
- * This "hardware" may look a bit odd in diagnostics since it's got both
- * host and device sides; and it binds different drivers to each side.
- */
-static struct platform_device the_pdev;
-
-static struct device_driver dummy_driver = {
- .name = (char *) driver_name,
- .bus = &platform_bus_type,
-};
-
-/*-------------------------------------------------------------------------*/
-
/* SLAVE/GADGET SIDE DRIVER
*
* This only tracks gadget state. All the work is done when the host
_ep->maxpacket = max;
ep->desc = desc;
- dev_dbg (dummy_dev(dum), "enabled %s (ep%d%s-%s) maxpacket %d\n",
+ dev_dbg (udc_dev(dum), "enabled %s (ep%d%s-%s) maxpacket %d\n",
_ep->name,
desc->bEndpointAddress & 0x0f,
(desc->bEndpointAddress & USB_DIR_IN) ? "in" : "out",
nuke (dum, ep);
spin_unlock_irqrestore (&dum->lock, flags);
- dev_dbg (dummy_dev(dum), "disabled %s\n", _ep->name);
+ dev_dbg (udc_dev(dum), "disabled %s\n", _ep->name);
return retval;
}
return -ESHUTDOWN;
#if 0
- dev_dbg (dummy_dev(dum), "ep %p queue req %p to %s, len %d buf %p\n",
+ dev_dbg (udc_dev(dum), "ep %p queue req %p to %s, len %d buf %p\n",
ep, _req, _ep->name, _req->length, _req->buf);
#endif
spin_unlock_irqrestore (&dum->lock, flags);
if (retval == 0) {
- dev_dbg (dummy_dev(dum),
+ dev_dbg (udc_dev(dum),
"dequeued req %p from %s, len %d buf %p\n",
req, _ep->name, _req->length, _req->buf);
_req->complete (_ep, _req);
* for each driver that registers: just add to a big root hub.
*/
-/* This doesn't need to do anything because the udc device structure is
- * stored inside the hcd and will be deallocated along with it. */
-static void
-dummy_udc_release (struct device *dev) {}
-
-/* This doesn't need to do anything because the pdev structure is
- * statically allocated. */
-static void
-dummy_pdev_release (struct device *dev) {}
-
-static int
-dummy_register_udc (struct dummy *dum)
-{
- int rc;
-
- strcpy (dum->gadget.dev.bus_id, "udc");
- dum->gadget.dev.parent = dummy_dev(dum);
- dum->gadget.dev.release = dummy_udc_release;
-
- rc = device_register (&dum->gadget.dev);
- if (rc == 0)
- device_create_file (&dum->gadget.dev, &dev_attr_function);
- return rc;
-}
-
-static void
-dummy_unregister_udc (struct dummy *dum)
-{
- device_remove_file (&dum->gadget.dev, &dev_attr_function);
- device_unregister (&dum->gadget.dev);
-}
-
int
usb_gadget_register_driver (struct usb_gadget_driver *driver)
{
* SLAVE side init ... the layer above hardware, which
* can't enumerate without help from the driver we're binding.
*/
- dum->gadget.name = gadget_name;
- dum->gadget.ops = &dummy_ops;
- dum->gadget.is_dualspeed = 1;
-
- /* maybe claim OTG support, though we won't complete HNP */
- dum->gadget.is_otg = (dummy_to_hcd(dum)->self.otg_port != 0);
dum->devstatus = 0;
dum->resuming = 0;
dum->driver = driver;
dum->gadget.dev.driver = &driver->driver;
- dev_dbg (dummy_dev(dum), "binding gadget driver '%s'\n",
+ dev_dbg (udc_dev(dum), "binding gadget driver '%s'\n",
driver->driver.name);
if ((retval = driver->bind (&dum->gadget)) != 0) {
dum->driver = NULL;
if (!driver || driver != dum->driver)
return -EINVAL;
- dev_dbg (dummy_dev(dum), "unregister gadget driver '%s'\n",
+ dev_dbg (udc_dev(dum), "unregister gadget driver '%s'\n",
driver->driver.name);
spin_lock_irqsave (&dum->lock, flags);
}
EXPORT_SYMBOL (net2280_set_fifo_mode);
+
+/* The gadget structure is stored inside the hcd structure and will be
+ * released along with it. */
+static void
+dummy_gadget_release (struct device *dev)
+{
+#if 0 /* usb_bus_put isn't EXPORTed! */
+ struct dummy *dum = gadget_dev_to_dummy (dev);
+
+ usb_bus_put (&dummy_to_hcd (dum)->self);
+#endif
+}
+
+static int dummy_udc_probe (struct device *dev)
+{
+ struct dummy *dum = the_controller;
+ int rc;
+
+ dum->gadget.name = gadget_name;
+ dum->gadget.ops = &dummy_ops;
+ dum->gadget.is_dualspeed = 1;
+
+ /* maybe claim OTG support, though we won't complete HNP */
+ dum->gadget.is_otg = (dummy_to_hcd(dum)->self.otg_port != 0);
+
+ strcpy (dum->gadget.dev.bus_id, "gadget");
+ dum->gadget.dev.parent = dev;
+ dum->gadget.dev.release = dummy_gadget_release;
+ rc = device_register (&dum->gadget.dev);
+ if (rc < 0)
+ return rc;
+
+#if 0 /* usb_bus_get isn't EXPORTed! */
+ usb_bus_get (&dummy_to_hcd (dum)->self);
+#endif
+
+ dev_set_drvdata (dev, dum);
+ device_create_file (&dum->gadget.dev, &dev_attr_function);
+ return rc;
+}
+
+static int dummy_udc_remove (struct device *dev)
+{
+ struct dummy *dum = dev_get_drvdata (dev);
+
+ dev_set_drvdata (dev, NULL);
+ device_remove_file (&dum->gadget.dev, &dev_attr_function);
+ device_unregister (&dum->gadget.dev);
+ return 0;
+}
+
+static struct device_driver dummy_udc_driver = {
+ .name = (char *) gadget_name,
+ .bus = &platform_bus_type,
+ .probe = dummy_udc_probe,
+ .remove = dummy_udc_remove,
+};
+
/*-------------------------------------------------------------------------*/
/* MASTER/HOST SIDE DRIVER
list_for_each_entry (req, &ep->queue, queue) {
list_del_init (&req->queue);
req->req.status = -EOVERFLOW;
- dev_dbg (dummy_dev(dum), "stale req = %p\n",
+ dev_dbg (udc_dev(dum), "stale req = %p\n",
req);
spin_unlock (&dum->lock);
break;
dum->address = setup.wValue;
maybe_set_status (urb, 0);
- dev_dbg (dummy_dev(dum), "set_address = %d\n",
+ dev_dbg (udc_dev(dum), "set_address = %d\n",
setup.wValue);
value = 0;
break;
if (value < 0) {
if (value != -EOPNOTSUPP)
- dev_dbg (dummy_dev(dum),
+ dev_dbg (udc_dev(dum),
"setup --> %d\n",
value);
maybe_set_status (urb, -EPIPE);
| USB_PORT_STAT_LOW_SPEED
| USB_PORT_STAT_HIGH_SPEED);
if (dum->driver) {
- dev_dbg (dummy_dev(dum),
+ dev_dbg (udc_dev(dum),
"disconnect\n");
stop_activity (dum, dum->driver);
}
static int dummy_start (struct usb_hcd *hcd)
{
struct dummy *dum;
- int retval;
dum = hcd_to_dummy (hcd);
INIT_LIST_HEAD (&dum->urbp_list);
- if ((retval = dummy_register_udc (dum)) != 0)
- return retval;
-
/* only show a low-power port: just 8mA */
hcd->power_budget = 8;
hcd->state = HC_STATE_RUNNING;
dum = hcd_to_dummy (hcd);
device_remove_file (dummy_dev(dum), &dev_attr_urbs);
-
usb_gadget_unregister_driver (dum->driver);
- dummy_unregister_udc (dum);
-
dev_info (dummy_dev(dum), "stopped\n");
}
.hub_control = dummy_hub_control,
};
-static int dummy_probe (struct device *dev)
+static int dummy_hcd_probe (struct device *dev)
{
struct usb_hcd *hcd;
int retval;
return retval;
}
-static void dummy_remove (struct device *dev)
+static int dummy_hcd_remove (struct device *dev)
{
struct usb_hcd *hcd;
usb_remove_hcd (hcd);
usb_put_hcd (hcd);
the_controller = NULL;
+ return 0;
}
-/*-------------------------------------------------------------------------*/
-
-static int dummy_pdev_detect (void)
-{
- int retval;
-
- retval = driver_register (&dummy_driver);
- if (retval < 0)
- return retval;
+static struct device_driver dummy_hcd_driver = {
+ .name = (char *) driver_name,
+ .bus = &platform_bus_type,
+ .probe = dummy_hcd_probe,
+ .remove = dummy_hcd_remove,
+};
- the_pdev.name = "hc";
- the_pdev.dev.driver = &dummy_driver;
- the_pdev.dev.release = dummy_pdev_release;
+/*-------------------------------------------------------------------------*/
- retval = platform_device_register (&the_pdev);
- if (retval < 0)
- driver_unregister (&dummy_driver);
- return retval;
-}
+/* These don't need to do anything because the pdev structures are
+ * statically allocated. */
+static void
+dummy_udc_release (struct device *dev) {}
-static void dummy_pdev_remove (void)
-{
- platform_device_unregister (&the_pdev);
- driver_unregister (&dummy_driver);
-}
+static void
+dummy_hcd_release (struct device *dev) {}
+
+static struct platform_device the_udc_pdev = {
+ .name = (char *) gadget_name,
+ .id = -1,
+ .dev = {
+ .release = dummy_udc_release,
+ },
+};
-/*-------------------------------------------------------------------------*/
+static struct platform_device the_hcd_pdev = {
+ .name = (char *) driver_name,
+ .id = -1,
+ .dev = {
+ .release = dummy_hcd_release,
+ },
+};
static int __init init (void)
{
if (usb_disabled ())
return -ENODEV;
- if ((retval = dummy_pdev_detect ()) != 0)
+
+ retval = driver_register (&dummy_hcd_driver);
+ if (retval < 0)
return retval;
- if ((retval = dummy_probe (&the_pdev.dev)) != 0)
- dummy_pdev_remove ();
+
+ retval = driver_register (&dummy_udc_driver);
+ if (retval < 0)
+ goto err_register_udc_driver;
+
+ retval = platform_device_register (&the_hcd_pdev);
+ if (retval < 0)
+ goto err_register_hcd;
+
+ retval = platform_device_register (&the_udc_pdev);
+ if (retval < 0)
+ goto err_register_udc;
+ return retval;
+
+err_register_udc:
+ platform_device_unregister (&the_hcd_pdev);
+err_register_hcd:
+ driver_unregister (&dummy_udc_driver);
+err_register_udc_driver:
+ driver_unregister (&dummy_hcd_driver);
return retval;
}
module_init (init);
static void __exit cleanup (void)
{
- dummy_remove (&the_pdev.dev);
- dummy_pdev_remove ();
+ platform_device_unregister (&the_udc_pdev);
+ platform_device_unregister (&the_hcd_pdev);
+ driver_unregister (&dummy_udc_driver);
+ driver_unregister (&dummy_hcd_driver);
}
module_exit (cleanup);
projects / linux-2.6 / commitdiff