helper: Add converter from JEP106 ID to manufacturer name

Use it to print the manufacturer of detected TAPs

Change-Id: Ic4384c61c7f6f7ae2a9b860a805a5997542f72cc
Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Reviewed-on: http://openocd.zylin.com/3177
Tested-by: jenkins
Reviewed-by: Jiri Kastner <cz172638@gmail.com>
Reviewed-by: Paul Fertser <fercerpav@gmail.com>

src/helper/jep106.c

@@ -0,0 +1,41 @@
+/***************************************************************************
+ *   Copyright (C) 2015 Andreas Fritiofson                                 *
+ *   andreas.fritiofson@gmail.com                                          *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ ***************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "jep106.h"
+#include "log.h"
+
+static const char * const jep106[][126] = {
+#include "jep106.inc"
+};
+
+const char *jep106_manufacturer(unsigned bank, unsigned id)
+{
+	if (id < 1 || id > 126) {
+		LOG_DEBUG("BUG: Caller passed out-of-range JEP106 ID!");
+		return "<invalid>";
+	}
+
+	/* index is zero based */
+	id--;
+
+	if (bank >= ARRAY_SIZE(jep106) || jep106[bank][id] == 0)
+		return "<unknown>";
+
+	return jep106[bank][id];
+}