1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux 1
2 #ifndef _LINUX_TTY_FLAGS_H
3 #define _LINUX_TTY_FLAGS_H
4
5 /*
6 * Definitions for async_struct (and serial_st
7 * shared by the tty_port flags structures.
8 *
9 * Define ASYNCB_* for convenient use with {te
10 *
11 * Bits [0..ASYNCB_LAST_USER] are userspace de
12 * [x] in the bit comments indicates the flag
13 */
14 #define ASYNCB_HUP_NOTIFY 0 /* Notify g
15 * on the c
16 #define ASYNCB_FOURPORT 1 /* Set OUT1
17 #define ASYNCB_SAK 2 /* Secure A
18 #define ASYNCB_SPLIT_TERMIOS 3 /* [x] Sepa
19 #define ASYNCB_SPD_HI 4 /* Use 5760
20 #define ASYNCB_SPD_VHI 5 /* Use 1152
21 #define ASYNCB_SKIP_TEST 6 /* Skip UAR
22 #define ASYNCB_AUTO_IRQ 7 /* Do autom
23 * autoconf
24 #define ASYNCB_SESSION_LOCKOUT 8 /* [x] Lock
25 #define ASYNCB_PGRP_LOCKOUT 9 /* [x] Lock
26 #define ASYNCB_CALLOUT_NOHUP 10 /* [x] Don'
27 #define ASYNCB_HARDPPS_CD 11 /* Call har
28 #define ASYNCB_SPD_SHI 12 /* Use 2304
29 #define ASYNCB_LOW_LATENCY 13 /* Request
30 #define ASYNCB_BUGGY_UART 14 /* This is
31 * checks.
32 #define ASYNCB_AUTOPROBE 15 /* [x] Port
33 #define ASYNCB_MAGIC_MULTIPLIER 16 /* Use spec
34 #define ASYNCB_LAST_USER 16
35
36 /*
37 * Internal flags used only by kernel (read-on
38 *
39 * WARNING: These flags are no longer used and
40 * TTY_PORT_ flags in the iflags fiel
41 */
42 #ifndef __KERNEL__
43 #define ASYNCB_INITIALIZED 31 /* Serial p
44 #define ASYNCB_SUSPENDED 30 /* Serial p
45 #define ASYNCB_NORMAL_ACTIVE 29 /* Normal d
46 #define ASYNCB_BOOT_AUTOCONF 28 /* Autoconf
47 #define ASYNCB_CLOSING 27 /* Serial p
48 #define ASYNCB_CTS_FLOW 26 /* Do CTS f
49 #define ASYNCB_CHECK_CD 25 /* i.e., CL
50 #define ASYNCB_SHARE_IRQ 24 /* for mult
51 #define ASYNCB_CONS_FLOW 23 /* flow con
52 #define ASYNCB_FIRST_KERNEL 22
53 #endif
54
55 /* Masks */
56 #define ASYNC_HUP_NOTIFY (1U << ASYNCB_
57 #define ASYNC_SUSPENDED (1U << ASYNCB_
58 #define ASYNC_FOURPORT (1U << ASYNCB_
59 #define ASYNC_SAK (1U << ASYNCB_
60 #define ASYNC_SPLIT_TERMIOS (1U << ASYNCB_
61 #define ASYNC_SPD_HI (1U << ASYNCB_
62 #define ASYNC_SPD_VHI (1U << ASYNCB_
63 #define ASYNC_SKIP_TEST (1U << ASYNCB_
64 #define ASYNC_AUTO_IRQ (1U << ASYNCB_
65 #define ASYNC_SESSION_LOCKOUT (1U << ASYNCB_
66 #define ASYNC_PGRP_LOCKOUT (1U << ASYNCB_
67 #define ASYNC_CALLOUT_NOHUP (1U << ASYNCB_
68 #define ASYNC_HARDPPS_CD (1U << ASYNCB_
69 #define ASYNC_SPD_SHI (1U << ASYNCB_
70 #define ASYNC_LOW_LATENCY (1U << ASYNCB_
71 #define ASYNC_BUGGY_UART (1U << ASYNCB_
72 #define ASYNC_AUTOPROBE (1U << ASYNCB_
73 #define ASYNC_MAGIC_MULTIPLIER (1U << ASYNCB_
74
75 #define ASYNC_FLAGS ((1U << (ASYNC
76 #define ASYNC_DEPRECATED (ASYNC_SPLIT_T
77 ASYNC_PGRP_LOCKOUT | ASYNC_CAL
78 #define ASYNC_USR_MASK (ASYNC_SPD_MAS
79 ASYNC_LOW_LATENCY)
80 #define ASYNC_SPD_CUST (ASYNC_SPD_HI|
81 #define ASYNC_SPD_WARP (ASYNC_SPD_HI|
82 #define ASYNC_SPD_MASK (ASYNC_SPD_HI|
83
84 #ifndef __KERNEL__
85 /* These flags are no longer used (and were al
86 #define ASYNC_INITIALIZED (1U << ASYNCB_
87 #define ASYNC_NORMAL_ACTIVE (1U << ASYNCB_
88 #define ASYNC_BOOT_AUTOCONF (1U << ASYNCB_
89 #define ASYNC_CLOSING (1U << ASYNCB_
90 #define ASYNC_CTS_FLOW (1U << ASYNCB_
91 #define ASYNC_CHECK_CD (1U << ASYNCB_
92 #define ASYNC_SHARE_IRQ (1U << ASYNCB_
93 #define ASYNC_CONS_FLOW (1U << ASYNCB_
94 #define ASYNC_INTERNAL_FLAGS (~((1U << ASYN
95 #endif
96
97 #endif
98
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