Linux Kernel  3.7.1
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tty_flags.h
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1 #ifndef _LINUX_TTY_FLAGS_H
2 #define _LINUX_TTY_FLAGS_H
3 
4 /*
5  * Definitions for async_struct (and serial_struct) flags field also
6  * shared by the tty_port flags structures.
7  *
8  * Define ASYNCB_* for convenient use with {test,set,clear}_bit.
9  */
10 #define ASYNCB_HUP_NOTIFY 0 /* Notify getty on hangups and closes
11  * on the callout port */
12 #define ASYNCB_FOURPORT 1 /* Set OU1, OUT2 per AST Fourport settings */
13 #define ASYNCB_SAK 2 /* Secure Attention Key (Orange book) */
14 #define ASYNCB_SPLIT_TERMIOS 3 /* Separate termios for dialin/callout */
15 #define ASYNCB_SPD_HI 4 /* Use 56000 instead of 38400 bps */
16 #define ASYNCB_SPD_VHI 5 /* Use 115200 instead of 38400 bps */
17 #define ASYNCB_SKIP_TEST 6 /* Skip UART test during autoconfiguration */
18 #define ASYNCB_AUTO_IRQ 7 /* Do automatic IRQ during
19  * autoconfiguration */
20 #define ASYNCB_SESSION_LOCKOUT 8 /* Lock out cua opens based on session */
21 #define ASYNCB_PGRP_LOCKOUT 9 /* Lock out cua opens based on pgrp */
22 #define ASYNCB_CALLOUT_NOHUP 10 /* Don't do hangups for cua device */
23 #define ASYNCB_HARDPPS_CD 11 /* Call hardpps when CD goes high */
24 #define ASYNCB_SPD_SHI 12 /* Use 230400 instead of 38400 bps */
25 #define ASYNCB_LOW_LATENCY 13 /* Request low latency behaviour */
26 #define ASYNCB_BUGGY_UART 14 /* This is a buggy UART, skip some safety
27  * checks. Note: can be dangerous! */
28 #define ASYNCB_AUTOPROBE 15 /* Port was autoprobed by PCI or PNP code */
29 #define ASYNCB_LAST_USER 15
30 
31 /* Internal flags used only by kernel */
32 #define ASYNCB_INITIALIZED 31 /* Serial port was initialized */
33 #define ASYNCB_SUSPENDED 30 /* Serial port is suspended */
34 #define ASYNCB_NORMAL_ACTIVE 29 /* Normal device is active */
35 #define ASYNCB_BOOT_AUTOCONF 28 /* Autoconfigure port on bootup */
36 #define ASYNCB_CLOSING 27 /* Serial port is closing */
37 #define ASYNCB_CTS_FLOW 26 /* Do CTS flow control */
38 #define ASYNCB_CHECK_CD 25 /* i.e., CLOCAL */
39 #define ASYNCB_SHARE_IRQ 24 /* for multifunction cards, no longer used */
40 #define ASYNCB_CONS_FLOW 23 /* flow control for console */
41 #define ASYNCB_FIRST_KERNEL 22
42 
43 #define ASYNC_HUP_NOTIFY (1U << ASYNCB_HUP_NOTIFY)
44 #define ASYNC_SUSPENDED (1U << ASYNCB_SUSPENDED)
45 #define ASYNC_FOURPORT (1U << ASYNCB_FOURPORT)
46 #define ASYNC_SAK (1U << ASYNCB_SAK)
47 #define ASYNC_SPLIT_TERMIOS (1U << ASYNCB_SPLIT_TERMIOS)
48 #define ASYNC_SPD_HI (1U << ASYNCB_SPD_HI)
49 #define ASYNC_SPD_VHI (1U << ASYNCB_SPD_VHI)
50 #define ASYNC_SKIP_TEST (1U << ASYNCB_SKIP_TEST)
51 #define ASYNC_AUTO_IRQ (1U << ASYNCB_AUTO_IRQ)
52 #define ASYNC_SESSION_LOCKOUT (1U << ASYNCB_SESSION_LOCKOUT)
53 #define ASYNC_PGRP_LOCKOUT (1U << ASYNCB_PGRP_LOCKOUT)
54 #define ASYNC_CALLOUT_NOHUP (1U << ASYNCB_CALLOUT_NOHUP)
55 #define ASYNC_HARDPPS_CD (1U << ASYNCB_HARDPPS_CD)
56 #define ASYNC_SPD_SHI (1U << ASYNCB_SPD_SHI)
57 #define ASYNC_LOW_LATENCY (1U << ASYNCB_LOW_LATENCY)
58 #define ASYNC_BUGGY_UART (1U << ASYNCB_BUGGY_UART)
59 #define ASYNC_AUTOPROBE (1U << ASYNCB_AUTOPROBE)
60 
61 #define ASYNC_FLAGS ((1U << (ASYNCB_LAST_USER + 1)) - 1)
62 #define ASYNC_USR_MASK (ASYNC_SPD_MASK|ASYNC_CALLOUT_NOHUP| \
63  ASYNC_LOW_LATENCY)
64 #define ASYNC_SPD_CUST (ASYNC_SPD_HI|ASYNC_SPD_VHI)
65 #define ASYNC_SPD_WARP (ASYNC_SPD_HI|ASYNC_SPD_SHI)
66 #define ASYNC_SPD_MASK (ASYNC_SPD_HI|ASYNC_SPD_VHI|ASYNC_SPD_SHI)
67 
68 #define ASYNC_INITIALIZED (1U << ASYNCB_INITIALIZED)
69 #define ASYNC_NORMAL_ACTIVE (1U << ASYNCB_NORMAL_ACTIVE)
70 #define ASYNC_BOOT_AUTOCONF (1U << ASYNCB_BOOT_AUTOCONF)
71 #define ASYNC_CLOSING (1U << ASYNCB_CLOSING)
72 #define ASYNC_CTS_FLOW (1U << ASYNCB_CTS_FLOW)
73 #define ASYNC_CHECK_CD (1U << ASYNCB_CHECK_CD)
74 #define ASYNC_SHARE_IRQ (1U << ASYNCB_SHARE_IRQ)
75 #define ASYNC_CONS_FLOW (1U << ASYNCB_CONS_FLOW)
76 #define ASYNC_INTERNAL_FLAGS (~((1U << ASYNCB_FIRST_KERNEL) - 1))
77 
78 #endif