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 #include <linux/mutex.h>
17 #include <linux/tty.h>
20 void (*disable_tx_interrupts
) (void *);
21 void (*enable_tx_interrupts
) (void *);
22 void (*disable_rx_interrupts
) (void *);
23 void (*enable_rx_interrupts
) (void *);
24 int (*get_CD
) (void *);
25 void (*shutdown_port
) (void*);
26 int (*set_real_termios
) (void*);
27 int (*chars_in_buffer
) (void*);
28 void (*close
) (void*);
29 void (*hungup
) (void*);
30 void (*getserial
) (void*, struct serial_struct
*sp
);
38 unsigned char *xmit_buf
;
42 struct mutex port_write_mutex
;
44 unsigned short closing_wait
;
46 struct real_driver
*rd
;
51 spinlock_t driver_lock
;
54 #endif /* __KERNEL__ */
57 /* Warning: serial.h defines some ASYNC_ flags, they say they are "only"
58 used in serial.c, but they are also used in all other serial drivers.
59 Make sure they don't clash with these here... */
60 #define GS_TX_INTEN 0x00800000
61 #define GS_RX_INTEN 0x00400000
62 #define GS_ACTIVE 0x00200000
66 #define GS_TYPE_NORMAL 1
68 #define GS_DEBUG_FLUSH 0x00000001
69 #define GS_DEBUG_BTR 0x00000002
70 #define GS_DEBUG_TERMIOS 0x00000004
71 #define GS_DEBUG_STUFF 0x00000008
72 #define GS_DEBUG_CLOSE 0x00000010
73 #define GS_DEBUG_FLOW 0x00000020
74 #define GS_DEBUG_WRITE 0x00000040
77 int gs_put_char(struct tty_struct
*tty
, unsigned char ch
);
78 int gs_write(struct tty_struct
*tty
,
79 const unsigned char *buf
, int count
);
80 int gs_write_room(struct tty_struct
*tty
);
81 int gs_chars_in_buffer(struct tty_struct
*tty
);
82 void gs_flush_buffer(struct tty_struct
*tty
);
83 void gs_flush_chars(struct tty_struct
*tty
);
84 void gs_stop(struct tty_struct
*tty
);
85 void gs_start(struct tty_struct
*tty
);
86 void gs_hangup(struct tty_struct
*tty
);
87 int gs_block_til_ready(void *port
, struct file
*filp
);
88 void gs_close(struct tty_struct
*tty
, struct file
*filp
);
89 void gs_set_termios (struct tty_struct
* tty
,
90 struct ktermios
* old_termios
);
91 int gs_init_port(struct gs_port
*port
);
92 int gs_setserial(struct gs_port
*port
, struct serial_struct __user
*sp
);
93 int gs_getserial(struct gs_port
*port
, struct serial_struct __user
*sp
);
94 void gs_got_break(struct gs_port
*port
);
95 #endif /* __KERNEL__ */
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