2 * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
9 #include "linux/list.h"
10 #include "linux/workqueue.h"
11 #include "linux/tty.h"
12 #include "linux/interrupt.h"
13 #include "linux/spinlock.h"
14 #include "chan_user.h"
15 #include "mconsole_kern.h"
35 struct tty_struct *tty;
38 struct list_head chan_list;
42 /*This lock is actually, mostly, local to*/
45 /* Yes, this is a real circular buffer.
46 * XXX: And this should become a struct kfifo!
48 * buffer points to a buffer allocated on demand, of length
49 * LINE_BUFSIZE, head to the start of the ring, tail to the end.*/
55 struct work_struct task;
56 struct line_driver *driver;
60 #define LINE_INIT(str, d) \
62 .init_pri = INIT_STATIC, \
64 .lock = SPIN_LOCK_UNLOCKED, \
71 #define LINES_INIT(n) { .num = n }
73 extern void line_close(struct tty_struct *tty, struct file * filp);
74 extern int line_open(struct line *lines, struct tty_struct *tty);
75 extern int line_setup(struct line *lines, unsigned int sizeof_lines,
77 extern int line_write(struct tty_struct *tty, const unsigned char *buf,
79 extern void line_put_char(struct tty_struct *tty, unsigned char ch);
80 extern void line_set_termios(struct tty_struct *tty, struct termios * old);
81 extern int line_chars_in_buffer(struct tty_struct *tty);
82 extern void line_flush_buffer(struct tty_struct *tty);
83 extern void line_flush_chars(struct tty_struct *tty);
84 extern int line_write_room(struct tty_struct *tty);
85 extern int line_ioctl(struct tty_struct *tty, struct file * file,
86 unsigned int cmd, unsigned long arg);
87 extern void line_throttle(struct tty_struct *tty);
88 extern void line_unthrottle(struct tty_struct *tty);
90 extern char *add_xterm_umid(char *base);
91 extern int line_setup_irq(int fd, int input, int output, struct line *line,
93 extern void line_close_chan(struct line *line);
94 extern struct tty_driver * line_register_devfs(struct lines *set,
95 struct line_driver *line_driver,
96 struct tty_operations *driver,
99 extern void lines_init(struct line *lines, int nlines, struct chan_opts *opts);
100 extern void close_lines(struct line *lines, int nlines);
102 extern int line_config(struct line *lines, unsigned int sizeof_lines,
103 char *str, struct chan_opts *opts);
104 extern int line_id(char **str, int *start_out, int *end_out);
105 extern int line_remove(struct line *lines, unsigned int sizeof_lines, int n);
106 extern int line_get_config(char *dev, struct line *lines,
107 unsigned int sizeof_lines, char *str,
108 int size, char **error_out);