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 "linux/mutex.h"
15 #include "chan_user.h"
16 #include "mconsole_kern.h"
18 /* There's only two modifiable fields in this - .mc.list and .driver */
21 const char *device_name;
23 const short minor_start;
27 const char *read_irq_name;
29 const char *write_irq_name;
31 struct tty_driver *driver;
35 struct tty_struct *tty;
36 struct mutex count_lock;
41 struct list_head chan_list;
42 struct chan *chan_in, *chan_out;
44 /*This lock is actually, mostly, local to*/
47 /* Yes, this is a real circular buffer.
48 * XXX: And this should become a struct kfifo!
50 * buffer points to a buffer allocated on demand, of length
51 * LINE_BUFSIZE, head to the start of the ring, tail to the end.*/
57 struct delayed_work task;
58 const struct line_driver *driver;
61 extern void line_close(struct tty_struct *tty, struct file * filp);
62 extern int line_open(struct line *lines, struct tty_struct *tty);
63 extern int line_setup(char **conf, unsigned nlines, char **def,
64 char *init, char *name);
65 extern int line_write(struct tty_struct *tty, const unsigned char *buf,
67 extern int line_put_char(struct tty_struct *tty, unsigned char ch);
68 extern void line_set_termios(struct tty_struct *tty, struct ktermios * old);
69 extern int line_chars_in_buffer(struct tty_struct *tty);
70 extern void line_flush_buffer(struct tty_struct *tty);
71 extern void line_flush_chars(struct tty_struct *tty);
72 extern int line_write_room(struct tty_struct *tty);
73 extern int line_ioctl(struct tty_struct *tty, unsigned int cmd,
75 extern void line_throttle(struct tty_struct *tty);
76 extern void line_unthrottle(struct tty_struct *tty);
78 extern char *add_xterm_umid(char *base);
79 extern int line_setup_irq(int fd, int input, int output, struct line *line,
81 extern void line_close_chan(struct line *line);
82 extern int register_lines(struct line_driver *line_driver,
83 const struct tty_operations *driver,
84 struct line *lines, int nlines);
85 extern int setup_one_line(struct line *lines, int n, char *init,
86 const struct chan_opts *opts, char **error_out);
87 extern void close_lines(struct line *lines, int nlines);
89 extern int line_config(struct line *lines, unsigned int sizeof_lines,
90 char *str, const struct chan_opts *opts,
92 extern int line_id(char **str, int *start_out, int *end_out);
93 extern int line_remove(struct line *lines, unsigned int sizeof_lines, int n,
95 extern int line_get_config(char *dev, struct line *lines,
96 unsigned int sizeof_lines, char *str,
97 int size, char **error_out);