diff options
Diffstat (limited to 'include/linux/usb/gadget.h')
| -rw-r--r-- | include/linux/usb/gadget.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 68fb5e8b18c3..a9a49593c239 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -141,10 +141,29 @@ struct usb_ep_ops { }; /** + * struct usb_ep_caps - endpoint capabilities description + * @type_control:Endpoint supports control type (reserved for ep0). + * @type_iso:Endpoint supports isochronous transfers. + * @type_bulk:Endpoint supports bulk transfers. + * @type_int:Endpoint supports interrupt transfers. + * @dir_in:Endpoint supports IN direction. + * @dir_out:Endpoint supports OUT direction. + */ +struct usb_ep_caps { + unsigned type_control:1; + unsigned type_iso:1; + unsigned type_bulk:1; + unsigned type_int:1; + unsigned dir_in:1; + unsigned dir_out:1; +}; + +/** * struct usb_ep - device side representation of USB endpoint * @name:identifier for the endpoint, such as "ep-a" or "ep9in-bulk" * @ops: Function pointers used to access hardware-specific operations. * @ep_list:the gadget's ep_list holds all of its endpoints + * @caps:The structure describing types and directions supported by endoint. * @maxpacket:The maximum packet size used on this endpoint. The initial * value can sometimes be reduced (hardware allowing), according to * the endpoint descriptor used to configure the endpoint. @@ -167,12 +186,14 @@ struct usb_ep_ops { * gadget->ep_list. the control endpoint (gadget->ep0) is not in that list, * and is accessed only in response to a driver setup() callback. */ + struct usb_ep { void *driver_data; const char *name; const struct usb_ep_ops *ops; struct list_head ep_list; + struct usb_ep_caps caps; bool claimed; unsigned maxpacket:16; unsigned maxpacket_limit:16; |