fw/atspi/: added application with basic EP0 protocol

fw/include/atspi/ep0.h

@@ -0,0 +1,63 @@
+/*
+ * include/atspi/ep0.h - EP0 extension protocol
+ *
+ * Written 2008-2010 by Werner Almesberger
+ * Copyright 2008-2010 Werner Almesberger
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+
+#ifndef EP0_H
+#define EP0_H
+
+/*
+ * Direction	bRequest		wValue		wIndex	wLength
+ *
+ * ->host	ATSPI_ID		0		0	3
+ * host->	ATSPI_RESET		0		0	0
+ * ->host	ATSPI_BUILD_NUMBER	-		-	2
+ * ->host	ATSPI_BUILD_DATE	-		-	#bytes
+ */
+
+/*
+ * EP0 protocol:
+ *
+ * 0.0	initial release
+ */
+
+#define EP0ATSPI_MAJOR	0	/* EP0 protocol, major revision */
+#define EP0ATSPI_MINOR	0	/* EP0 protocol, minor revision */
+
+#define	HW_TYPE_100813	0	/* 100813 */
+
+
+/*
+ * bmRequestType:
+ *
+ * D7 D6..5 D4...0
+ * |  |     |
+ * direction (0 = host->dev)
+ *    type (2 = vendor)
+ *          recipient (0 = device)
+ */
+
+
+#define	ATSPI_TO_DEV(req)	(0x40 | (req) << 8)
+#define	ATSPI_FROM_DEV(req)	(0xc0 | (req) << 8)
+
+
+enum atspi_requests {
+	ATSPI_ID			= 0x00,
+	ATSPI_RESET,
+	ATSPI_BUILD_NUMBER,
+	ATSPI_BUILD_DATE,
+};
+
+
+void ep0_init(void);
+
+#endif /* !EP0_H */