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path: root/drivers/usb/core/hcd.h
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Diffstat (limited to 'drivers/usb/core/hcd.h')
-rw-r--r--drivers/usb/core/hcd.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h
index f750eb1ab595..e7d4479de41c 100644
--- a/drivers/usb/core/hcd.h
+++ b/drivers/usb/core/hcd.h
@@ -206,6 +206,11 @@ struct hc_driver {
206 void (*endpoint_disable)(struct usb_hcd *hcd, 206 void (*endpoint_disable)(struct usb_hcd *hcd,
207 struct usb_host_endpoint *ep); 207 struct usb_host_endpoint *ep);
208 208
209 /* (optional) reset any endpoint state such as sequence number
210 and current window */
211 void (*endpoint_reset)(struct usb_hcd *hcd,
212 struct usb_host_endpoint *ep);
213
209 /* root hub support */ 214 /* root hub support */
210 int (*hub_status_data) (struct usb_hcd *hcd, char *buf); 215 int (*hub_status_data) (struct usb_hcd *hcd, char *buf);
211 int (*hub_control) (struct usb_hcd *hcd, 216 int (*hub_control) (struct usb_hcd *hcd,
@@ -234,6 +239,8 @@ extern void usb_hcd_flush_endpoint(struct usb_device *udev,
234 struct usb_host_endpoint *ep); 239 struct usb_host_endpoint *ep);
235extern void usb_hcd_disable_endpoint(struct usb_device *udev, 240extern void usb_hcd_disable_endpoint(struct usb_device *udev,
236 struct usb_host_endpoint *ep); 241 struct usb_host_endpoint *ep);
242extern void usb_hcd_reset_endpoint(struct usb_device *udev,
243 struct usb_host_endpoint *ep);
237extern void usb_hcd_synchronize_unlinks(struct usb_device *udev); 244extern void usb_hcd_synchronize_unlinks(struct usb_device *udev);
238extern int usb_hcd_get_frame_number(struct usb_device *udev); 245extern int usb_hcd_get_frame_number(struct usb_device *udev);
239 246
@@ -279,6 +286,13 @@ extern irqreturn_t usb_hcd_irq(int irq, void *__hcd);
279extern void usb_hc_died(struct usb_hcd *hcd); 286extern void usb_hc_died(struct usb_hcd *hcd);
280extern void usb_hcd_poll_rh_status(struct usb_hcd *hcd); 287extern void usb_hcd_poll_rh_status(struct usb_hcd *hcd);
281 288
289/* The D0/D1 toggle bits ... USE WITH CAUTION (they're almost hcd-internal) */
290#define usb_gettoggle(dev, ep, out) (((dev)->toggle[out] >> (ep)) & 1)
291#define usb_dotoggle(dev, ep, out) ((dev)->toggle[out] ^= (1 << (ep)))
292#define usb_settoggle(dev, ep, out, bit) \
293 ((dev)->toggle[out] = ((dev)->toggle[out] & ~(1 << (ep))) | \
294 ((bit) << (ep)))
295
282/* -------------------------------------------------------------------------- */ 296/* -------------------------------------------------------------------------- */
283 297
284/* Enumeration is only for the hub driver, or HCD virtual root hubs */ 298/* Enumeration is only for the hub driver, or HCD virtual root hubs */