diff options
Diffstat (limited to 'include/linux/usb/gadget.h')
| -rw-r--r-- | include/linux/usb/gadget.h | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 3d583a10b926..5d4e151c49bf 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -402,6 +402,9 @@ static inline void usb_ep_free_request(struct usb_ep *ep, static inline int usb_ep_queue(struct usb_ep *ep, struct usb_request *req, gfp_t gfp_flags) { + if (WARN_ON_ONCE(!ep->enabled && ep->address)) + return -ESHUTDOWN; + return ep->ops->queue(ep, req, gfp_flags); } @@ -592,6 +595,10 @@ struct usb_gadget_ops { * only supports HNP on a different root port. * @b_hnp_enable: OTG device feature flag, indicating that the A-Host * enabled HNP support. + * @hnp_polling_support: OTG device feature flag, indicating if the OTG device + * in peripheral mode can support HNP polling. + * @host_request_flag: OTG device feature flag, indicating if A-Peripheral + * or B-Peripheral wants to take host role. * @quirk_ep_out_aligned_size: epout requires buffer size to be aligned to * MaxPacketSize. * @is_selfpowered: if the gadget is self-powered. @@ -639,6 +646,8 @@ struct usb_gadget { unsigned b_hnp_enable:1; unsigned a_hnp_support:1; unsigned a_alt_hnp_support:1; + unsigned hnp_polling_support:1; + unsigned host_request_flag:1; unsigned quirk_ep_out_aligned_size:1; unsigned quirk_altset_not_supp:1; unsigned quirk_stall_not_supp:1; @@ -726,6 +735,16 @@ static inline int gadget_is_superspeed(struct usb_gadget *g) } /** + * gadget_is_superspeed_plus() - return true if the hardware handles + * superspeed plus + * @g: controller that might support superspeed plus + */ +static inline int gadget_is_superspeed_plus(struct usb_gadget *g) +{ + return g->max_speed >= USB_SPEED_SUPER_PLUS; +} + +/** * gadget_is_otg - return true iff the hardware is OTG-ready * @g: controller that might have a Mini-AB connector * @@ -1012,6 +1031,9 @@ static inline int usb_gadget_activate(struct usb_gadget *gadget) * @reset: Invoked on USB bus reset. It is mandatory for all gadget drivers * and should be called in_interrupt. * @driver: Driver model state for this driver. + * @udc_name: A name of UDC this driver should be bound to. If udc_name is NULL, + * this driver will be bound to any available UDC. + * @pending: UDC core private data used for deferred probe of this driver. * * Devices are disabled till a gadget driver successfully bind()s, which * means the driver will handle setup() requests needed to enumerate (and @@ -1072,6 +1094,9 @@ struct usb_gadget_driver { /* FIXME support safe rmmod */ struct device_driver driver; + + char *udc_name; + struct list_head pending; }; @@ -1117,8 +1142,7 @@ extern int usb_add_gadget_udc_release(struct device *parent, struct usb_gadget *gadget, void (*release)(struct device *dev)); extern int usb_add_gadget_udc(struct device *parent, struct usb_gadget *gadget); extern void usb_del_gadget_udc(struct usb_gadget *gadget); -extern int usb_udc_attach_driver(const char *name, - struct usb_gadget_driver *driver); +extern char *usb_get_gadget_udc_name(void); /*-------------------------------------------------------------------------*/ @@ -1187,7 +1211,8 @@ struct usb_function; int usb_assign_descriptors(struct usb_function *f, struct usb_descriptor_header **fs, struct usb_descriptor_header **hs, - struct usb_descriptor_header **ss); + struct usb_descriptor_header **ss, + struct usb_descriptor_header **ssp); void usb_free_all_descriptors(struct usb_function *f); struct usb_descriptor_header *usb_otg_descriptor_alloc( |
