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