arm:adding the usbd source code.

Change-Id: Ia3c50a8c5e11bf20100354de266913112cc236f9 http://gerrit.minix3.org/#/c/2689/
2014-07-28 17:05:38 +02:00
parent 3553b1a2f5
commit ed3391fd23
19 changed files with 3438 additions and 0 deletions
@@ -0,0 +1,73 @@
+/*
+ * Interface for HCD
+ *
+ * This file holds prototypes that must be implemented by HCD
+ * and event call that should be called when interrupt occurred
+ */
+
+#ifndef _HCD_INTERFACE_H_
+#define _HCD_INTERFACE_H_
+
+#include <usb/hcd_common.h>
+
+
+/*===========================================================================*
+ *    HCD event handling types                                               *
+ *===========================================================================*/
+/* Possible HCD events */
+typedef enum {
+
+	HCD_EVENT_CONNECTED,
+	HCD_EVENT_DISCONNECTED,
+	HCD_EVENT_ENDPOINT
+}
+hcd_event;
+
+/* Possible HCD sub-events */
+typedef enum {
+
+	HCD_SUBEVENT_NONE,
+	HCD_SUBEVENT_EP0,
+}
+hcd_subevent;
+
+
+/*===========================================================================*
+ *    HCD additional defines                                                 *
+ *===========================================================================*/
+#define HCD_READ_ERR -1
+
+
+/*===========================================================================*
+ *    HCD driver structure to be filled
+ *===========================================================================*/
+struct hcd_driver_state {
+	/* Standard USB controller procedures */
+	void		(*setup_device)		(void *, hcd_reg1, hcd_reg1);
+	void		(*reset_device)		(void *);
+	void		(*setup_stage)		(void *, hcd_ctrlrequest *);
+	void		(*in_data_stage)	(void *);
+	void		(*out_data_stage)	(void *);
+	void		(*in_status_stage)	(void *);
+	void		(*out_status_stage)	(void *);
+	int		(*read_data)		(void *, hcd_reg1 *, int);
+	int		(*check_error)		(void *);
+
+	/* Controller's private data (like mapped registers) */
+	void *		private_data;
+
+	/* Current state to be handled by driver */
+	hcd_event	event;
+	hcd_subevent	subevent;
+};
+
+
+/*===========================================================================*
+ *    HCD event handling routine                                             *
+ *===========================================================================*/
+/* Handle asynchronous event
+ * This must be called in case of specific HCD interrupts listed above */
+void hcd_handle_event(hcd_driver_state *);
+
+
+#endif /* !_HCD_INTERFACE_H_ */