diff options
Diffstat (limited to 'include/linux/usb/gadget.h')
| -rw-r--r-- | include/linux/usb/gadget.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 625971292c20..e22ce7e5a444 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -136,6 +136,8 @@ struct usb_ep_ops { * the endpoint descriptor used to configure the endpoint. * @max_streams: The maximum number of streams supported * by this EP (0 - 16, actual number is 2^n) + * @mult: multiplier, 'mult' value for SS Isoc EPs + * @maxburst: the maximum number of bursts supported by this EP (for usb3) * @driver_data:for use by the gadget driver. * @address: used to identify the endpoint when finding descriptor that * matches connection speed @@ -156,6 +158,8 @@ struct usb_ep { struct list_head ep_list; unsigned maxpacket:16; unsigned max_streams:16; + unsigned mult:2; + unsigned maxburst:4; u8 address; const struct usb_endpoint_descriptor *desc; const struct usb_ss_ep_comp_descriptor *comp_desc; @@ -426,6 +430,14 @@ static inline void usb_ep_fifo_flush(struct usb_ep *ep) /*-------------------------------------------------------------------------*/ +struct usb_dcd_config_params { + __u8 bU1devExitLat; /* U1 Device exit Latency */ +#define USB_DEFULT_U1_DEV_EXIT_LAT 0x01 /* Less then 1 microsec */ + __le16 bU2DevExitLat; /* U2 Device exit Latency */ +#define USB_DEFULT_U2_DEV_EXIT_LAT 0x1F4 /* Less then 500 microsec */ +}; + + struct usb_gadget; struct usb_gadget_driver; @@ -441,6 +453,7 @@ struct usb_gadget_ops { int (*pullup) (struct usb_gadget *, int is_on); int (*ioctl)(struct usb_gadget *, unsigned code, unsigned long param); + void (*get_config_params)(struct usb_dcd_config_params *); int (*start)(struct usb_gadget_driver *, int (*bind)(struct usb_gadget *)); int (*stop)(struct usb_gadget_driver *); @@ -535,6 +548,24 @@ static inline int gadget_is_dualspeed(struct usb_gadget *g) } /** + * gadget_is_superspeed() - return true if the hardware handles + * supperspeed + * @g: controller that might support supper speed + */ +static inline int gadget_is_superspeed(struct usb_gadget *g) +{ +#ifdef CONFIG_USB_GADGET_SUPERSPEED + /* + * runtime test would check "g->is_superspeed" ... that might be + * useful to work around hardware bugs, but is mostly pointless + */ + return 1; +#else + return 0; +#endif +} + +/** * gadget_is_otg - return true iff the hardware is OTG-ready * @g: controller that might have a Mini-AB connector * |