1 files changed, 106 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/include/ipxe/usbhid.h b/qemu/roms/ipxe/src/include/ipxe/usbhid.h
new file mode 100644
index 000000000..fe9d84455
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/usbhid.h
@@ -0,0 +1,106 @@
+#ifndef _IPXE_USBHID_H
+#define _IPXE_USBHID_H
+
+/** @file
+ *
+ * USB human interface devices (HID)
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <ipxe/usb.h>
+
+/** Class code for human interface devices */
+#define USB_CLASS_HID 3
+
+/** Subclass code for boot devices */
+#define USB_SUBCLASS_HID_BOOT 1
+
+/** Set protocol */
+#define USBHID_SET_PROTOCOL						\
+	( USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE |		\
+	  USB_REQUEST_TYPE ( 0x0b ) )
+
+/** Boot protocol */
+#define USBHID_PROTOCOL_BOOT 0
+
+/** Report protocol */
+#define USBHID_PROTOCOL_REPORT 1
+
+/** Set idle time */
+#define USBHID_SET_IDLE							\
+	( USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE |		\
+	  USB_REQUEST_TYPE ( 0x0a ) )
+
+/** A USB human interface device */
+struct usb_hid {
+	/** USB function */
+	struct usb_function *func;
+	/** Interrupt IN endpoint */
+	struct usb_endpoint in;
+	/** Interrupt OUT endpoint (optional) */
+	struct usb_endpoint out;
+};
+
+/**
+ * Initialise USB human interface device
+ *
+ * @v hid		USB human interface device
+ * @v func		USB function
+ * @v in		Interrupt IN endpoint operations
+ * @v out		Interrupt OUT endpoint operations (or NULL)
+ */
+static inline __attribute__ (( always_inline )) void
+usbhid_init ( struct usb_hid *hid, struct usb_function *func,
+	      struct usb_endpoint_driver_operations *in,
+	      struct usb_endpoint_driver_operations *out ) {
+	struct usb_device *usb = func->usb;
+
+	hid->func = func;
+	usb_endpoint_init ( &hid->in, usb, in );
+	if ( out )
+		usb_endpoint_init ( &hid->out, usb, out );
+}
+
+/**
+ * Set protocol
+ *
+ * @v usb		USB device
+ * @v interface		Interface number
+ * @v protocol		HID protocol
+ * @ret rc		Return status code
+ */
+static inline __attribute__ (( always_inline )) int
+usbhid_set_protocol ( struct usb_device *usb, unsigned int interface,
+		      unsigned int protocol ) {
+
+	return usb_control ( usb, USBHID_SET_PROTOCOL, protocol, interface,
+			     NULL, 0 );
+}
+
+/**
+ * Set idle time
+ *
+ * @v usb		USB device
+ * @v interface		Interface number
+ * @v report		Report ID
+ * @v duration		Duration (in 4ms units)
+ * @ret rc		Return status code
+ */
+static inline __attribute__ (( always_inline )) int
+usbhid_set_idle ( struct usb_device *usb, unsigned int interface,
+		  unsigned int report, unsigned int duration ) {
+
+	return usb_control ( usb, USBHID_SET_IDLE,
+			     ( ( duration << 8 ) | report ),
+			     interface, NULL, 0 );
+}
+
+extern int usbhid_open ( struct usb_hid *hid );
+extern void usbhid_close ( struct usb_hid *hid );
+extern int usbhid_refill ( struct usb_hid *hid );
+extern int usbhid_describe ( struct usb_hid *hid,
+			     struct usb_configuration_descriptor *config );
+
+#endif /* _IPXE_USBHID_H */