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6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
ba3fe7ab AC |
2 | #ifndef _LINUX_TTY_FLAGS_H |
3 | #define _LINUX_TTY_FLAGS_H | |
4 | ||
5 | /* | |
6 | * Definitions for async_struct (and serial_struct) flags field also | |
7 | * shared by the tty_port flags structures. | |
8 | * | |
9 | * Define ASYNCB_* for convenient use with {test,set,clear}_bit. | |
904326ec PH |
10 | * |
11 | * Bits [0..ASYNCB_LAST_USER] are userspace defined/visible/changeable | |
352f8618 | 12 | * [x] in the bit comments indicates the flag is defunct and no longer used. |
ba3fe7ab AC |
13 | */ |
14 | #define ASYNCB_HUP_NOTIFY 0 /* Notify getty on hangups and closes | |
15 | * on the callout port */ | |
e66003f5 | 16 | #define ASYNCB_FOURPORT 1 /* Set OUT1, OUT2 per AST Fourport settings */ |
ba3fe7ab | 17 | #define ASYNCB_SAK 2 /* Secure Attention Key (Orange book) */ |
5ac9c05d | 18 | #define ASYNCB_SPLIT_TERMIOS 3 /* [x] Separate termios for dialin/callout */ |
113c62ee | 19 | #define ASYNCB_SPD_HI 4 /* Use 57600 instead of 38400 bps */ |
ba3fe7ab AC |
20 | #define ASYNCB_SPD_VHI 5 /* Use 115200 instead of 38400 bps */ |
21 | #define ASYNCB_SKIP_TEST 6 /* Skip UART test during autoconfiguration */ | |
22 | #define ASYNCB_AUTO_IRQ 7 /* Do automatic IRQ during | |
23 | * autoconfiguration */ | |
352f8618 PH |
24 | #define ASYNCB_SESSION_LOCKOUT 8 /* [x] Lock out cua opens based on session */ |
25 | #define ASYNCB_PGRP_LOCKOUT 9 /* [x] Lock out cua opens based on pgrp */ | |
26 | #define ASYNCB_CALLOUT_NOHUP 10 /* [x] Don't do hangups for cua device */ | |
ba3fe7ab AC |
27 | #define ASYNCB_HARDPPS_CD 11 /* Call hardpps when CD goes high */ |
28 | #define ASYNCB_SPD_SHI 12 /* Use 230400 instead of 38400 bps */ | |
29 | #define ASYNCB_LOW_LATENCY 13 /* Request low latency behaviour */ | |
30 | #define ASYNCB_BUGGY_UART 14 /* This is a buggy UART, skip some safety | |
31 | * checks. Note: can be dangerous! */ | |
352f8618 | 32 | #define ASYNCB_AUTOPROBE 15 /* [x] Port was autoprobed by PCI/PNP code */ |
904326ec PH |
33 | #define ASYNCB_MAGIC_MULTIPLIER 16 /* Use special CLK or divisor */ |
34 | #define ASYNCB_LAST_USER 16 | |
ba3fe7ab | 35 | |
e4d38f33 PH |
36 | /* |
37 | * Internal flags used only by kernel (read-only) | |
38 | * | |
39 | * WARNING: These flags are no longer used and have been superceded by the | |
40 | * TTY_PORT_ flags in the iflags field (and not userspace-visible) | |
41 | */ | |
5c0517fe | 42 | #ifndef _KERNEL_ |
ba3fe7ab AC |
43 | #define ASYNCB_INITIALIZED 31 /* Serial port was initialized */ |
44 | #define ASYNCB_SUSPENDED 30 /* Serial port is suspended */ | |
45 | #define ASYNCB_NORMAL_ACTIVE 29 /* Normal device is active */ | |
46 | #define ASYNCB_BOOT_AUTOCONF 28 /* Autoconfigure port on bootup */ | |
47 | #define ASYNCB_CLOSING 27 /* Serial port is closing */ | |
48 | #define ASYNCB_CTS_FLOW 26 /* Do CTS flow control */ | |
49 | #define ASYNCB_CHECK_CD 25 /* i.e., CLOCAL */ | |
50 | #define ASYNCB_SHARE_IRQ 24 /* for multifunction cards, no longer used */ | |
51 | #define ASYNCB_CONS_FLOW 23 /* flow control for console */ | |
52 | #define ASYNCB_FIRST_KERNEL 22 | |
5c0517fe | 53 | #endif |
ba3fe7ab | 54 | |
e4d38f33 | 55 | /* Masks */ |
ba3fe7ab AC |
56 | #define ASYNC_HUP_NOTIFY (1U << ASYNCB_HUP_NOTIFY) |
57 | #define ASYNC_SUSPENDED (1U << ASYNCB_SUSPENDED) | |
58 | #define ASYNC_FOURPORT (1U << ASYNCB_FOURPORT) | |
59 | #define ASYNC_SAK (1U << ASYNCB_SAK) | |
60 | #define ASYNC_SPLIT_TERMIOS (1U << ASYNCB_SPLIT_TERMIOS) | |
61 | #define ASYNC_SPD_HI (1U << ASYNCB_SPD_HI) | |
62 | #define ASYNC_SPD_VHI (1U << ASYNCB_SPD_VHI) | |
63 | #define ASYNC_SKIP_TEST (1U << ASYNCB_SKIP_TEST) | |
64 | #define ASYNC_AUTO_IRQ (1U << ASYNCB_AUTO_IRQ) | |
65 | #define ASYNC_SESSION_LOCKOUT (1U << ASYNCB_SESSION_LOCKOUT) | |
66 | #define ASYNC_PGRP_LOCKOUT (1U << ASYNCB_PGRP_LOCKOUT) | |
67 | #define ASYNC_CALLOUT_NOHUP (1U << ASYNCB_CALLOUT_NOHUP) | |
68 | #define ASYNC_HARDPPS_CD (1U << ASYNCB_HARDPPS_CD) | |
69 | #define ASYNC_SPD_SHI (1U << ASYNCB_SPD_SHI) | |
70 | #define ASYNC_LOW_LATENCY (1U << ASYNCB_LOW_LATENCY) | |
71 | #define ASYNC_BUGGY_UART (1U << ASYNCB_BUGGY_UART) | |
72 | #define ASYNC_AUTOPROBE (1U << ASYNCB_AUTOPROBE) | |
904326ec | 73 | #define ASYNC_MAGIC_MULTIPLIER (1U << ASYNCB_MAGIC_MULTIPLIER) |
ba3fe7ab AC |
74 | |
75 | #define ASYNC_FLAGS ((1U << (ASYNCB_LAST_USER + 1)) - 1) | |
8a8ae62f JS |
76 | #define ASYNC_DEPRECATED (ASYNC_SESSION_LOCKOUT | ASYNC_PGRP_LOCKOUT | \ |
77 | ASYNC_CALLOUT_NOHUP | ASYNC_AUTOPROBE) | |
ba3fe7ab AC |
78 | #define ASYNC_USR_MASK (ASYNC_SPD_MASK|ASYNC_CALLOUT_NOHUP| \ |
79 | ASYNC_LOW_LATENCY) | |
80 | #define ASYNC_SPD_CUST (ASYNC_SPD_HI|ASYNC_SPD_VHI) | |
81 | #define ASYNC_SPD_WARP (ASYNC_SPD_HI|ASYNC_SPD_SHI) | |
82 | #define ASYNC_SPD_MASK (ASYNC_SPD_HI|ASYNC_SPD_VHI|ASYNC_SPD_SHI) | |
83 | ||
5c0517fe | 84 | #ifndef _KERNEL_ |
e4d38f33 | 85 | /* These flags are no longer used (and were always masked from userspace) */ |
ba3fe7ab AC |
86 | #define ASYNC_INITIALIZED (1U << ASYNCB_INITIALIZED) |
87 | #define ASYNC_NORMAL_ACTIVE (1U << ASYNCB_NORMAL_ACTIVE) | |
88 | #define ASYNC_BOOT_AUTOCONF (1U << ASYNCB_BOOT_AUTOCONF) | |
89 | #define ASYNC_CLOSING (1U << ASYNCB_CLOSING) | |
90 | #define ASYNC_CTS_FLOW (1U << ASYNCB_CTS_FLOW) | |
91 | #define ASYNC_CHECK_CD (1U << ASYNCB_CHECK_CD) | |
92 | #define ASYNC_SHARE_IRQ (1U << ASYNCB_SHARE_IRQ) | |
93 | #define ASYNC_CONS_FLOW (1U << ASYNCB_CONS_FLOW) | |
94 | #define ASYNC_INTERNAL_FLAGS (~((1U << ASYNCB_FIRST_KERNEL) - 1)) | |
5c0517fe | 95 | #endif |
ba3fe7ab AC |
96 | |
97 | #endif |