1 files changed, 20 insertions, 7 deletions

diff --git a/include/linux/tty.h b/include/linux/tty.h
index e8c6c9136c97..f0f43d08d8b8 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -23,7 +23,7 @@
  */
 #define NR_UNIX98_PTY_DEFAULT   4096      /* Default maximum for Unix98 ptys */
 #define NR_UNIX98_PTY_MAX       (1 << MINORBITS) /* Absolute limit */
-#define NR_LDISCS               19
+#define NR_LDISCS               20
 
 /* line disciplines */
 #define N_TTY           0
@@ -47,6 +47,8 @@
 #define N_SLCAN         17      /* Serial / USB serial CAN Adaptors */
 #define N_PPS           18      /* Pulse per Second */
 
+#define N_V253          19      /* Codec control over voice modem */
+
 /*
  * This character is the same as _POSIX_VDISABLE: it cannot be used as
  * a c_cc[] character, but indicates that a particular special character
@@ -185,7 +187,12 @@ struct tty_port;
 struct tty_port_operations {
         /* Return 1 if the carrier is raised */
         int (*carrier_raised)(struct tty_port *port);
+        /* Control the DTR line */
         void (*dtr_rts)(struct tty_port *port, int raise);
+        /* Called when the last close completes or a hangup finishes
+           IFF the port was initialized. Do not use to free resources */
+        void (*shutdown)(struct tty_port *port);
+        void (*drop)(struct tty_port *port);
 };
         
 struct tty_port {
@@ -196,11 +203,12 @@ struct tty_port {
         int                     count;          /* Usage count */
         wait_queue_head_t       open_wait;      /* Open waiters */
         wait_queue_head_t       close_wait;     /* Close waiters */
+        wait_queue_head_t       delta_msr_wait; /* Modem status change */
         unsigned long           flags;          /* TTY flags ASY_*/
         struct mutex            mutex;          /* Locking */
         unsigned char           *xmit_buf;      /* Optional buffer */
-        int                     close_delay;    /* Close port delay */
-        int                     closing_wait;   /* Delay for output */
+        unsigned int            close_delay;    /* Close port delay */
+        unsigned int            closing_wait;   /* Delay for output */
         int                     drain_delay;    /* Set to zero if no pure time
                                                    based drain is needed else
                                                    set to size of fifo */
@@ -457,6 +465,12 @@ extern int tty_port_block_til_ready(struct tty_port *port,
 extern int tty_port_close_start(struct tty_port *port,
                                 struct tty_struct *tty, struct file *filp);
 extern void tty_port_close_end(struct tty_port *port, struct tty_struct *tty);
+extern void tty_port_close(struct tty_port *port,
+                                struct tty_struct *tty, struct file *filp);
+extern inline int tty_port_users(struct tty_port *port)
+{
+        return port->count + port->blocked_open;
+}
 
 extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc);
 extern int tty_unregister_ldisc(int disc);
@@ -517,14 +531,13 @@ extern void serial_console_init(void);
 
 extern int pcxe_open(struct tty_struct *tty, struct file *filp);
 
-/* printk.c */
-
-extern void console_print(const char *);
-
 /* vt.c */
 
 extern int vt_ioctl(struct tty_struct *tty, struct file *file,
                     unsigned int cmd, unsigned long arg);
 
+extern long vt_compat_ioctl(struct tty_struct *tty, struct file * file,
+                     unsigned int cmd, unsigned long arg);
+
 #endif /* __KERNEL__ */
 #endif