diff --git a/headers/os/drivers/tty/ttylayer.h b/headers/os/drivers/tty/ttylayer.h
index 2f76be9663..128b9f328c 100644
--- a/headers/os/drivers/tty/ttylayer.h
+++ b/headers/os/drivers/tty/ttylayer.h
@@ -24,9 +24,12 @@ struct ddrover {
 };
 
 struct ddomain {
-	
+	struct ddrover	*r;
+	bool	bg;
+	bool	locked;
 };
 
+
 typedef bool (*tty_service_func)(struct tty *tty, struct ddrover *rover, uint op);
 
 struct tty {
@@ -82,7 +85,8 @@ struct ttyfile {
 
 typedef struct tty_module_info tty_module_info;
 
-struct tty_module_info {
+// this version is compatible with BeOS R5
+struct tty_module_info_r5 {
 	// not a real bus manager... no rescan() !
 	module_info	mi;
 	status_t	(*ttyopen)(struct ttyfile *, struct ddrover *, tty_service_func);
@@ -91,10 +95,6 @@ struct tty_module_info {
 	status_t	(*ttyread)(struct ttyfile *, struct ddrover *, char *, size_t *);
 	status_t	(*ttywrite)(struct ttyfile *, struct ddrover *, const char *, size_t *);
 	status_t	(*ttycontrol)(struct ttyfile *, struct ddrover *, ulong, void *, size_t);
-#if 0 /* Dano! */
-	status_t	(*ttyselect)(struct ttyfile *, struct ddrover *, uint8, uint32, selectsync *);
-	status_t	(*ttydeselect)(struct ttyfile *, struct ddrover *, uint8, selectsync *);
-#endif
 	void	(*ttyinit)(struct tty *, bool);
 	void	(*ttyilock)(struct tty *, struct ddrover *, bool );
 	void	(*ttyhwsignal)(struct tty *, struct ddrover *, int, bool);
@@ -102,7 +102,7 @@ struct tty_module_info {
 	int	(*ttyout)(struct tty *, struct ddrover *);
 	struct ddrover	*(*ddrstart)(struct ddrover *);
 	void	(*ddrdone)(struct ddrover *);
-	void	(*ddracquire)(struct ddrover *, struct ddomain *);
+	void	(*ddacquire)(struct ddrover *, struct ddomain *);
 };
 
 // BeOS R5.1d0 has a different module with the same version...
@@ -116,7 +116,6 @@ struct tty_module_info_dano {
 	status_t	(*ttyread)(struct ttyfile *, struct ddrover *, char *, size_t *);
 	status_t	(*ttywrite)(struct ttyfile *, struct ddrover *, const char *, size_t *);
 	status_t	(*ttycontrol)(struct ttyfile *, struct ddrover *, ulong, void *, size_t);
-
 	status_t	(*ttyselect)(struct ttyfile *, struct ddrover *, uint8, uint32, selectsync *);
 	status_t	(*ttydeselect)(struct ttyfile *, struct ddrover *, uint8, selectsync *);
 
@@ -127,10 +126,13 @@ struct tty_module_info_dano {
 	int	(*ttyout)(struct tty *, struct ddrover *);
 	struct ddrover	*(*ddrstart)(struct ddrover *);
 	void	(*ddrdone)(struct ddrover *);
-	void	(*ddracquire)(struct ddrover *, struct ddomain *);
+	void	(*ddacquire)(struct ddrover *, struct ddomain *);
 };
 
-#define B_TTY_MODULE_NAME		"bus_managers/tty/v1"
+#define B_TTY_MODULE_NAME_R5		"bus_managers/tty/v1"
 #define B_TTY_MODULE_NAME_DANO		"bus_managers/tty/v1.1"
 
+#define B_TTY_MODULE_NAME			B_TTY_MODULE_NAME_DANO
+#define tty_module_info				tty_module_info_dano
+
 #endif /* _TTY_TTYLAYER_H */
diff --git a/src/add-ons/kernel/bus_managers/tty/tty.cpp b/src/add-ons/kernel/bus_managers/tty/tty.cpp
index 1f20667c3c..8857121995 100644
--- a/src/add-ons/kernel/bus_managers/tty/tty.cpp
+++ b/src/add-ons/kernel/bus_managers/tty/tty.cpp
@@ -130,19 +130,19 @@ tty_out(struct tty *, struct ddrover *)
 
 
 struct ddrover *
-tty_ddr_start(struct ddrover *)
+tty_dd_rstart(struct ddrover *)
 {
 	return NULL;
 }
 
 
 void
-tty_ddr_done(struct ddrover *)
+tty_dd_rdone(struct ddrover *)
 {
 }
 
 void
-tty_ddr_acquire(struct ddrover *, struct ddomain *)
+tty_dd_acquire(struct ddrover *, struct ddomain *)
 {
 }
 
@@ -190,7 +190,7 @@ tty_module_std_ops(int32 op, ...)
 }
 
 
-static struct tty_module_info sTTYModule = {
+static struct tty_module_info_r5 sR5TTYModule = {
 	// ! this is *NOT* a real bus manager (no rescan call!)
 	//{
 		{
@@ -206,18 +206,14 @@ static struct tty_module_info sTTYModule = {
 	&tty_read,
 	&tty_write,
 	&tty_control,
-#if 0 /* Dano! */
-	&tty_select,
-	&tty_deselect,
-#endif
 	&tty_init,
 	&tty_ilock,
 	&tty_hwsignal,
 	&tty_in,
 	&tty_out,
-	&tty_ddr_start,
-	&tty_ddr_done,
-	&tty_ddr_acquire
+	&tty_dd_rstart,
+	&tty_dd_rdone,
+	&tty_dd_acquire
 };
 
 static struct tty_module_info_dano sDanoTTYModule = {
@@ -243,13 +239,13 @@ static struct tty_module_info_dano sDanoTTYModule = {
 	&tty_hwsignal,
 	&tty_in,
 	&tty_out,
-	&tty_ddr_start,
-	&tty_ddr_done,
-	&tty_ddr_acquire
+	&tty_dd_rstart,
+	&tty_dd_rdone,
+	&tty_dd_acquire
 };
 
 module_info *modules[] = {
-	(module_info *)&sTTYModule,
+	(module_info *)&sR5TTYModule,
 	(module_info *)&sDanoTTYModule,
 	NULL
 };