diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
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committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /include/linux/generic_serial.h | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'include/linux/generic_serial.h')
-rw-r--r-- | include/linux/generic_serial.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/include/linux/generic_serial.h b/include/linux/generic_serial.h new file mode 100644 index 00000000000..fadff28505b --- /dev/null +++ b/include/linux/generic_serial.h | |||
@@ -0,0 +1,95 @@ | |||
1 | /* | ||
2 | * generic_serial.h | ||
3 | * | ||
4 | * Copyright (C) 1998 R.E.Wolff@BitWizard.nl | ||
5 | * | ||
6 | * written for the SX serial driver. | ||
7 | * Contains the code that should be shared over all the serial drivers. | ||
8 | * | ||
9 | * Version 0.1 -- December, 1998. | ||
10 | */ | ||
11 | |||
12 | #ifndef GENERIC_SERIAL_H | ||
13 | #define GENERIC_SERIAL_H | ||
14 | |||
15 | #ifdef __KERNEL__ | ||
16 | #include <linux/mutex.h> | ||
17 | #include <linux/tty.h> | ||
18 | |||
19 | struct real_driver { | ||
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); | ||
30 | }; | ||
31 | |||
32 | |||
33 | |||
34 | struct gs_port { | ||
35 | int magic; | ||
36 | struct tty_port port; | ||
37 | unsigned char *xmit_buf; | ||
38 | int xmit_head; | ||
39 | int xmit_tail; | ||
40 | int xmit_cnt; | ||
41 | struct mutex port_write_mutex; | ||
42 | unsigned long event; | ||
43 | unsigned short closing_wait; | ||
44 | int close_delay; | ||
45 | struct real_driver *rd; | ||
46 | int wakeup_chars; | ||
47 | int baud_base; | ||
48 | int baud; | ||
49 | int custom_divisor; | ||
50 | spinlock_t driver_lock; | ||
51 | }; | ||
52 | |||
53 | #endif /* __KERNEL__ */ | ||
54 | |||
55 | /* Flags */ | ||
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 | ||
62 | |||
63 | |||
64 | |||
65 | #define GS_TYPE_NORMAL 1 | ||
66 | |||
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 | ||
74 | |||
75 | #ifdef __KERNEL__ | ||
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__ */ | ||
95 | #endif | ||