Initial driver registration mechanism

Also added the basis of the upekts driver, which is the first I'll
implement.

libfprint/Makefile.am

@@ -1,9 +1,14 @@
 lib_LTLIBRARIES = libfprint.la
 
+UPEKTS_SRC = drivers/upekts.c
+
+DRIVER_SRC = $(UPEKTS_SRC)
+
 libfprint_la_CFLAGS = -fvisibility=hidden $(LIBUSB_CFLAGS) $(GLIB_CFLAGS)
 libfprint_la_LDFLAGS = -version-info @lt_major@:@lt_revision@:@lt_age@
 libfprint_la_LIBADD = $(LIBUSB_LIBS) $(GLIB_LIBS)
 
 libfprint_la_SOURCES =	\
-	core.c
+	core.c		\
+	$(DRIVER_SRC)
 

libfprint/core.c

@@ -19,7 +19,31 @@
 
 #include <config.h>
 
+#include <glib.h>
+
+#include "fp_internal.h"
+
+static GList *registered_drivers = NULL;
+
+static void register_driver(const struct fp_driver *drv)
+{
+	registered_drivers = g_list_prepend(registered_drivers, (gpointer) drv);
+}
+
+static const struct fp_driver * const drivers[] = {
+	&upekts_driver,
+};
+
+static void register_drivers(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(drivers); i++)
+		register_driver(drivers[i]);
+}
+
 API_EXPORTED int fp_init(void)
 {
+	register_drivers();
 	return 0;
 }

libfprint/drivers/upekts.c

@@ -0,0 +1,32 @@
+/*
+ * UPEK TouchStrip driver for libfprint
+ * Copyright (C) 2007 Daniel Drake <dsd@gentoo.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <fp_internal.h>
+
+static const struct usb_id id_table[] = {
+	{ .vendor = 0x0483, .product = 0x2016 },
+	{ 0 }, /* terminating entry */
+};
+
+const struct fp_driver upekts_driver = {
+	.name = "upekts",
+	.full_name = "UPEK TouchStrip",
+	.id_table = id_table,
+};
+

libfprint/fp_internal.h

@@ -0,0 +1,42 @@
+/*
+ * Internal/private definitions for libfprint
+ * Copyright (C) 2007 Daniel Drake <dsd@gentoo.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __FPRINT_INTERNAL_H__
+#define __FPRINT_INTERNAL_H__
+
+#include <stdint.h>
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof(*a))
+
+struct usb_id {
+	uint16_t vendor;
+	uint16_t product;
+	unsigned long driver_data;
+};
+
+struct fp_driver {
+	const char *name;
+	const char *full_name;
+	const struct usb_id * const id_table;
+};
+
+extern const struct fp_driver upekts_driver;
+
+#endif
+

libfprint/fprint.h

@@ -0,0 +1,26 @@
+/*
+ * Main definitions for libfprint
+ * Copyright (C) 2007 Daniel Drake <dsd@gentoo.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __FPRINT_H__
+#define __FPRINT_H__
+
+int fp_init(void);
+
+#endif
+