You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
110 lines
3.1 KiB
110 lines
3.1 KiB
/*
|
|
* Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
|
|
* Licensed under the GPL
|
|
*/
|
|
|
|
#ifndef __LINE_H__
|
|
#define __LINE_H__
|
|
|
|
#include "linux/list.h"
|
|
#include "linux/workqueue.h"
|
|
#include "linux/tty.h"
|
|
#include "linux/interrupt.h"
|
|
#include "linux/spinlock.h"
|
|
#include "chan_user.h"
|
|
#include "mconsole_kern.h"
|
|
|
|
struct line_driver {
|
|
char *name;
|
|
char *device_name;
|
|
char *devfs_name;
|
|
short major;
|
|
short minor_start;
|
|
short type;
|
|
short subtype;
|
|
int read_irq;
|
|
char *read_irq_name;
|
|
int write_irq;
|
|
char *write_irq_name;
|
|
char *symlink_from;
|
|
char *symlink_to;
|
|
struct mc_device mc;
|
|
};
|
|
|
|
struct line {
|
|
struct tty_struct *tty;
|
|
char *init_str;
|
|
int init_pri;
|
|
struct list_head chan_list;
|
|
int valid;
|
|
int count;
|
|
int throttled;
|
|
/*This lock is actually, mostly, local to*/
|
|
spinlock_t lock;
|
|
|
|
/* Yes, this is a real circular buffer.
|
|
* XXX: And this should become a struct kfifo!
|
|
*
|
|
* buffer points to a buffer allocated on demand, of length
|
|
* LINE_BUFSIZE, head to the start of the ring, tail to the end.*/
|
|
char *buffer;
|
|
char *head;
|
|
char *tail;
|
|
|
|
int sigio;
|
|
struct work_struct task;
|
|
struct line_driver *driver;
|
|
int have_irq;
|
|
};
|
|
|
|
#define LINE_INIT(str, d) \
|
|
{ .init_str = str, \
|
|
.init_pri = INIT_STATIC, \
|
|
.valid = 1, \
|
|
.lock = SPIN_LOCK_UNLOCKED, \
|
|
.driver = d }
|
|
|
|
struct lines {
|
|
int num;
|
|
};
|
|
|
|
#define LINES_INIT(n) { .num = n }
|
|
|
|
extern void line_close(struct tty_struct *tty, struct file * filp);
|
|
extern int line_open(struct line *lines, struct tty_struct *tty);
|
|
extern int line_setup(struct line *lines, unsigned int sizeof_lines,
|
|
char *init);
|
|
extern int line_write(struct tty_struct *tty, const unsigned char *buf,
|
|
int len);
|
|
extern void line_put_char(struct tty_struct *tty, unsigned char ch);
|
|
extern void line_set_termios(struct tty_struct *tty, struct termios * old);
|
|
extern int line_chars_in_buffer(struct tty_struct *tty);
|
|
extern void line_flush_buffer(struct tty_struct *tty);
|
|
extern void line_flush_chars(struct tty_struct *tty);
|
|
extern int line_write_room(struct tty_struct *tty);
|
|
extern int line_ioctl(struct tty_struct *tty, struct file * file,
|
|
unsigned int cmd, unsigned long arg);
|
|
extern void line_throttle(struct tty_struct *tty);
|
|
extern void line_unthrottle(struct tty_struct *tty);
|
|
|
|
extern char *add_xterm_umid(char *base);
|
|
extern int line_setup_irq(int fd, int input, int output, struct line *line,
|
|
void *data);
|
|
extern void line_close_chan(struct line *line);
|
|
extern struct tty_driver * line_register_devfs(struct lines *set,
|
|
struct line_driver *line_driver,
|
|
struct tty_operations *driver,
|
|
struct line *lines,
|
|
int nlines);
|
|
extern void lines_init(struct line *lines, int nlines, struct chan_opts *opts);
|
|
extern void close_lines(struct line *lines, int nlines);
|
|
|
|
extern int line_config(struct line *lines, unsigned int sizeof_lines,
|
|
char *str, struct chan_opts *opts);
|
|
extern int line_id(char **str, int *start_out, int *end_out);
|
|
extern int line_remove(struct line *lines, unsigned int sizeof_lines, int n);
|
|
extern int line_get_config(char *dev, struct line *lines,
|
|
unsigned int sizeof_lines, char *str,
|
|
int size, char **error_out);
|
|
|
|
#endif
|
|
|