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-rw-r--r--include/linux/tty_flags.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/include/linux/tty_flags.h b/include/linux/tty_flags.h
new file mode 100644
index 000000000000..eefcb483a2c0
--- /dev/null
+++ b/include/linux/tty_flags.h
@@ -0,0 +1,78 @@
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