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
);