usb/renesas_usbhs/mod_host.c

34  * | udev 0 | --> it is used when set address
38  * | udev 1 |-+- [uep 0 (dcp) ] --+		pipe will be switched when
45  * | udev 2 |-+- [uep 0 (dcp) ]	-@    +----------> | pipe2 (bulk) |
50  * | udev 3 |-+- [uep 0 (dcp) ]	-@	  |	   +--------------+
76 	struct usbhsh_device	*udev;   /* attached udev */
88 	struct usbhsh_device	udev[USBHSH_DEVICE_MAX];
106 	     ((i) < USBHSH_DEVICE_MAX) && ((pos) = (h)->udev + (i));	\
125 #define usbhsh_uep_to_udev(u)	((u)->udev)
140 #define usbhsh_device_number(h, d)	((int)((d) - (h)->udev))
141 #define usbhsh_device_nth(h, d)		((h)->udev + d)
249 	struct usbhsh_device *udev = usbhsh_device_get(hpriv, urb);
300 					 usbhsh_device_number(hpriv, udev),
305 			usbhsh_device_number(hpriv, udev),
346 		struct usbhsh_device *udev = usbhsh_uep_to_udev(uep);
353 			usbhsh_device_number(hpriv, udev),
370 	struct usbhsh_device *udev = usbhsh_device_get(hpriv, urb);
389 	list_add_tail(&uep->ep_list, &udev->ep_list_head);
391 	usbhsh_uep_to_udev(uep)	= udev;
399 		usbhsh_device_number(hpriv, udev),
426 	/* remove this endpoint from udev */
440 				       struct usbhsh_device *udev)
444 	list_for_each_entry_safe(uep, next, &udev->ep_list_head, ep_list)
452 				     struct usbhsh_device *udev)
454 	struct usb_device *usbv = usbhsh_udev_to_usbv(udev);
459 static int usbhsh_device_has_endpoint(struct usbhsh_device *udev)
461 	return !list_empty(&udev->ep_list_head);
468 	struct usbhsh_device *udev = usbhsh_usbv_to_udev(usbv);
471 	if (!udev)
479 	return udev;
485 	struct usbhsh_device *udev = NULL;
500 	 * You can use usbhsh_device_get() to get "current" udev,
501 	 * and usbhsh_usbv_to_udev() is for "attached" udev.
517 		udev = pos;
521 	if (udev) {
527 		dev_set_drvdata(&usbv->dev, udev);
528 		udev->usbv = usbv;
534 	if (!udev) {
539 	if (usbhsh_device_has_endpoint(udev)) {
540 		dev_warn(dev, "udev have old endpoint\n");
541 		usbhsh_endpoint_detach_all(hpriv, udev);
551 	INIT_LIST_HEAD(&udev->ep_list_head);
564 	if (!usbhsh_connected_to_rhdev(hcd, udev)) {
565 		/* if udev is not connected to rhdev, it means parent is Hub */
566 		struct usbhsh_device *parent = usbhsh_device_parent(udev);
569 		hubport	= usbhsh_device_hubport(udev);
576 			       usbhsh_device_number(hpriv, udev),
580 		usbhsh_device_number(hpriv, udev), udev);
582 	return udev;
586 			       struct usbhsh_device *udev)
591 	struct usb_device *usbv = usbhsh_udev_to_usbv(udev);
595 		usbhsh_device_number(hpriv, udev), udev);
597 	if (usbhsh_device_has_endpoint(udev)) {
598 		dev_warn(dev, "udev still have endpoint\n");
599 		usbhsh_endpoint_detach_all(hpriv, udev);
608 	if (0 == usbhsh_device_number(hpriv, udev))
620 	udev->usbv = NULL;
776 		struct usbhsh_device *udev = usbhsh_usbv_to_udev(usbv);
778 		/* udev is a attached device */
779 		req.wValue = usbhsh_device_number(hpriv, udev);
975 	 * attach udev if needed
1051 	struct usbhsh_device *udev;
1061 	udev	= usbhsh_uep_to_udev(uep);
1070 	if (!usbhsh_device_has_endpoint(udev))
1071 		usbhsh_device_detach(hpriv, udev);
1522 	struct usbhsh_device *udev;
1556 	usbhsh_for_each_udev_with_dev0(udev, hpriv, i) {
1557 		udev->usbv	= NULL;
1558 		INIT_LIST_HEAD(&udev->ep_list_head);