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
79