4 * Copyright (C) 1998 R.E.Wolff@BitWizard.nl
6 * written for the SX serial driver.
7 * Contains the code that should be shared over all the serial drivers.
9 * Version 0.1 -- December, 1998.
12 #ifndef GENERIC_SERIAL_H
13 #define GENERIC_SERIAL_H
16 void (*disable_tx_interrupts
) (void *);
17 void (*enable_tx_interrupts
) (void *);
18 void (*disable_rx_interrupts
) (void *);
19 void (*enable_rx_interrupts
) (void *);
20 int (*get_CD
) (void *);
21 void (*shutdown_port
) (void*);
22 void (*set_real_termios
) (void*);
23 int (*chars_in_buffer
) (void*);
24 void (*close
) (void*);
25 void (*hungup
) (void*);
26 void (*getserial
) (void*, struct serial_struct
*sp
);
33 unsigned char *xmit_buf
;
37 /* struct semaphore port_write_sem; */
39 struct termios normal_termios
;
40 struct termios callout_termios
;
41 wait_queue_head_t open_wait
;
42 wait_queue_head_t close_wait
;
47 struct tty_struct
*tty
;
49 unsigned short closing_wait
;
51 struct real_driver
*rd
;
60 /* Warning: serial.h defines some ASYNC_ flags, they say they are "only"
61 used in serial.c, but they are also used in all other serial drivers.
62 Make sure they don't clash with these here... */
63 #define GS_TX_INTEN 0x00800000
64 #define GS_RX_INTEN 0x00400000
65 #define GS_ACTIVE 0x00200000
69 #define GS_TYPE_NORMAL 1
70 #define GS_TYPE_CALLOUT 2
73 #define GS_DEBUG_FLUSH 0x00000001
74 #define GS_DEBUG_BTR 0x00000002
75 #define GS_DEBUG_TERMIOS 0x00000004
76 #define GS_DEBUG_STUFF 0x00000008
77 #define GS_DEBUG_CLOSE 0x00000010
80 void gs_put_char(struct tty_struct
*tty
, unsigned char ch
);
81 int gs_write(struct tty_struct
*tty
, int from_user
,
82 const unsigned char *buf
, int count
);
83 int gs_write_room(struct tty_struct
*tty
);
84 int gs_chars_in_buffer(struct tty_struct
*tty
);
85 void gs_flush_buffer(struct tty_struct
*tty
);
86 void gs_flush_chars(struct tty_struct
*tty
);
87 void gs_stop(struct tty_struct
*tty
);
88 void gs_start(struct tty_struct
*tty
);
89 void gs_hangup(struct tty_struct
*tty
);
90 void gs_do_softint(void *private_
);
91 int block_til_ready(void *port
, struct file
*filp
);
92 void gs_close(struct tty_struct
*tty
, struct file
*filp
);
93 void gs_set_termios (struct tty_struct
* tty
,
94 struct termios
* old_termios
);
95 int gs_init_port(struct gs_port
*port
);
96 int gs_setserial(struct gs_port
*port
, struct serial_struct
*sp
);
97 void gs_getserial(struct gs_port
*port
, struct serial_struct
*sp
);