ublox: create model data structures

This sets up some device model data structures and adds some helpers for
manipulating them.  These data structures are a first step to trying to
support the large number of devices that ublox produces with a common
driver structure.

drivers/ubloxmodem/ubloxmodem.c

@@ -23,6 +23,8 @@
 #include <config.h>
 #endif
 
+#include <string.h>
+
 #include <glib.h>
 #include <gatchat.h>
 
@@ -33,6 +35,61 @@
 
 #include "ubloxmodem.h"
 
+const struct ublox_model ublox_models[] = {
+	{
+		.name = "SARA-G270",
+	},
+	/* TOBY L2 series */
+	{
+		.name = "TOBY-L200",
+		.flags = UBLOX_F_TOBY_L2,
+	},
+	{
+		.name = "TOBY-L201",
+		.flags = UBLOX_F_TOBY_L2,
+	},
+	{
+		.name = "TOBY-L210",
+		.flags = UBLOX_F_TOBY_L2,
+	},
+	{
+		.name = "TOBY-L220",
+		.flags = UBLOX_F_TOBY_L2,
+	},
+	{
+		.name = "TOBY-L280",
+		.flags = UBLOX_F_TOBY_L2,
+	},
+	{ /* sentinel */ },
+};
+
+const struct ublox_model *ublox_model_from_name(const char *name)
+{
+	const struct ublox_model *m;
+
+	for (m = ublox_models; m->name; m++) {
+		if (!strcmp(name, m->name))
+			return m;
+	}
+
+	return NULL;
+}
+
+const struct ublox_model *ublox_model_from_id(int id)
+{
+	return ublox_models + id;
+}
+
+int ublox_model_to_id(const struct ublox_model *model)
+{
+	return model - ublox_models;
+}
+
+int ublox_is_toby_l2(const struct ublox_model *model)
+{
+	return model->flags & UBLOX_F_TOBY_L2;
+}
+
 static int ubloxmodem_init(void)
 {
 	ublox_gprs_context_init();

drivers/ubloxmodem/ubloxmodem.h

@@ -23,6 +23,20 @@
 
 #define UBLOXMODEM "ubloxmodem"
 
+enum ublox_flags {
+	UBLOX_F_TOBY_L2		= (1 << 0),
+};
+
+struct ublox_model {
+	char *name;
+	int flags;
+};
+
+const struct ublox_model *ublox_model_from_name(const char *name);
+const struct ublox_model *ublox_model_from_id(int id);
+int ublox_model_to_id(const struct ublox_model *model);
+int ublox_is_toby_l2(const struct ublox_model *model);
+
 extern void ublox_gprs_context_init(void);
 extern void ublox_gprs_context_exit(void);