3  * Input device TTY line discipline
7  * This is a module that converts a tty line into a much simpler
19 #include <linux/tty.h>
23 MODULE_DESCRIPTION("Input device TTY line discipline");
32 	struct tty_struct *tty;  member
47 	return -(serport->tty->ops->write(serport->tty, &data, 1) != 1);  in serport_serio_write()
71  * discipline on a tty. It prepares the serio struct.
74 static int serport_ldisc_open(struct tty_struct *tty)  in serport_ldisc_open()  argument
85 	serport->tty = tty;  in serport_ldisc_open()
89 	tty->disc_data = serport;  in serport_ldisc_open()
90 	tty->receive_room = 256;  in serport_ldisc_open()
91 	set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);  in serport_ldisc_open()
100 static void serport_ldisc_close(struct tty_struct *tty)  in serport_ldisc_close()  argument
102 	struct serport *serport = tty->disc_data;  in serport_ldisc_close()
108  * serport_ldisc_receive() is called by the low level tty driver when characters
113 static void serport_ldisc_receive(struct tty_struct *tty, const u8 *cp,  in serport_ldisc_receive()  argument
116 	struct serport *serport = tty->disc_data;  in serport_ldisc_receive()
152 static ssize_t serport_ldisc_read(struct tty_struct * tty, struct file * file,  in serport_ldisc_read()  argument
156 	struct serport *serport = tty->disc_data;  in serport_ldisc_read()
167 	snprintf(serio->phys, sizeof(serio->phys), "%s/serio0", tty_name(tty));  in serport_ldisc_read()
174 	serio->dev.parent = tty->dev;  in serport_ldisc_read()
177 	printk(KERN_INFO "serio: Serial port %s\n", tty_name(tty));  in serport_ldisc_read()
189 static void serport_set_type(struct tty_struct *tty, unsigned long type)  in serport_set_type()  argument
191 	struct serport *serport = tty->disc_data;  in serport_set_type()
202 static int serport_ldisc_ioctl(struct tty_struct *tty, unsigned int cmd,  in serport_ldisc_ioctl()  argument
211 		serport_set_type(tty, type);  in serport_ldisc_ioctl()
220 static int serport_ldisc_compat_ioctl(struct tty_struct *tty,  in serport_ldisc_compat_ioctl()  argument
230 		serport_set_type(tty, compat_type);  in serport_ldisc_compat_ioctl()
238 static void serport_ldisc_hangup(struct tty_struct *tty)  in serport_ldisc_hangup()  argument
240 	struct serport *serport = tty->disc_data;  in serport_ldisc_hangup()
248 static void serport_ldisc_write_wakeup(struct tty_struct * tty)  in serport_ldisc_write_wakeup()  argument
250 	struct serport *serport = tty->disc_data;  in serport_ldisc_write_wakeup()