16f52b16cSGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2607ca46eSDavid Howells #ifndef _LINUX_TTY_FLAGS_H 3607ca46eSDavid Howells #define _LINUX_TTY_FLAGS_H 4607ca46eSDavid Howells 5607ca46eSDavid Howells /* 6607ca46eSDavid Howells * Definitions for async_struct (and serial_struct) flags field also 7607ca46eSDavid Howells * shared by the tty_port flags structures. 8607ca46eSDavid Howells * 9607ca46eSDavid Howells * Define ASYNCB_* for convenient use with {test,set,clear}_bit. 10904326ecSPeter Hurley * 11904326ecSPeter Hurley * Bits [0..ASYNCB_LAST_USER] are userspace defined/visible/changeable 12352f8618SPeter Hurley * [x] in the bit comments indicates the flag is defunct and no longer used. 13607ca46eSDavid Howells */ 14607ca46eSDavid Howells #define ASYNCB_HUP_NOTIFY 0 /* Notify getty on hangups and closes 15607ca46eSDavid Howells * on the callout port */ 16e66003f5SGiulio Benetti #define ASYNCB_FOURPORT 1 /* Set OUT1, OUT2 per AST Fourport settings */ 17607ca46eSDavid Howells #define ASYNCB_SAK 2 /* Secure Attention Key (Orange book) */ 185ac9c05dSPeter Hurley #define ASYNCB_SPLIT_TERMIOS 3 /* [x] Separate termios for dialin/callout */ 19113c62eeSMasahiro Yamada #define ASYNCB_SPD_HI 4 /* Use 57600 instead of 38400 bps */ 20607ca46eSDavid Howells #define ASYNCB_SPD_VHI 5 /* Use 115200 instead of 38400 bps */ 21607ca46eSDavid Howells #define ASYNCB_SKIP_TEST 6 /* Skip UART test during autoconfiguration */ 22607ca46eSDavid Howells #define ASYNCB_AUTO_IRQ 7 /* Do automatic IRQ during 23607ca46eSDavid Howells * autoconfiguration */ 24352f8618SPeter Hurley #define ASYNCB_SESSION_LOCKOUT 8 /* [x] Lock out cua opens based on session */ 25352f8618SPeter Hurley #define ASYNCB_PGRP_LOCKOUT 9 /* [x] Lock out cua opens based on pgrp */ 26352f8618SPeter Hurley #define ASYNCB_CALLOUT_NOHUP 10 /* [x] Don't do hangups for cua device */ 27607ca46eSDavid Howells #define ASYNCB_HARDPPS_CD 11 /* Call hardpps when CD goes high */ 28607ca46eSDavid Howells #define ASYNCB_SPD_SHI 12 /* Use 230400 instead of 38400 bps */ 29607ca46eSDavid Howells #define ASYNCB_LOW_LATENCY 13 /* Request low latency behaviour */ 30607ca46eSDavid Howells #define ASYNCB_BUGGY_UART 14 /* This is a buggy UART, skip some safety 31607ca46eSDavid Howells * checks. Note: can be dangerous! */ 32352f8618SPeter Hurley #define ASYNCB_AUTOPROBE 15 /* [x] Port was autoprobed by PCI/PNP code */ 33904326ecSPeter Hurley #define ASYNCB_MAGIC_MULTIPLIER 16 /* Use special CLK or divisor */ 34904326ecSPeter Hurley #define ASYNCB_LAST_USER 16 35607ca46eSDavid Howells 36e4d38f33SPeter Hurley /* 37e4d38f33SPeter Hurley * Internal flags used only by kernel (read-only) 38e4d38f33SPeter Hurley * 39e4d38f33SPeter Hurley * WARNING: These flags are no longer used and have been superceded by the 40e4d38f33SPeter Hurley * TTY_PORT_ flags in the iflags field (and not userspace-visible) 41e4d38f33SPeter Hurley */ 42d09845e9SJohan Hovold #ifndef __KERNEL__ 43607ca46eSDavid Howells #define ASYNCB_INITIALIZED 31 /* Serial port was initialized */ 44607ca46eSDavid Howells #define ASYNCB_SUSPENDED 30 /* Serial port is suspended */ 45607ca46eSDavid Howells #define ASYNCB_NORMAL_ACTIVE 29 /* Normal device is active */ 46607ca46eSDavid Howells #define ASYNCB_BOOT_AUTOCONF 28 /* Autoconfigure port on bootup */ 47607ca46eSDavid Howells #define ASYNCB_CLOSING 27 /* Serial port is closing */ 48607ca46eSDavid Howells #define ASYNCB_CTS_FLOW 26 /* Do CTS flow control */ 49607ca46eSDavid Howells #define ASYNCB_CHECK_CD 25 /* i.e., CLOCAL */ 50607ca46eSDavid Howells #define ASYNCB_SHARE_IRQ 24 /* for multifunction cards, no longer used */ 51607ca46eSDavid Howells #define ASYNCB_CONS_FLOW 23 /* flow control for console */ 52607ca46eSDavid Howells #define ASYNCB_FIRST_KERNEL 22 535c0517feSPeter Hurley #endif 54607ca46eSDavid Howells 55e4d38f33SPeter Hurley /* Masks */ 56607ca46eSDavid Howells #define ASYNC_HUP_NOTIFY (1U << ASYNCB_HUP_NOTIFY) 57607ca46eSDavid Howells #define ASYNC_SUSPENDED (1U << ASYNCB_SUSPENDED) 58607ca46eSDavid Howells #define ASYNC_FOURPORT (1U << ASYNCB_FOURPORT) 59607ca46eSDavid Howells #define ASYNC_SAK (1U << ASYNCB_SAK) 60607ca46eSDavid Howells #define ASYNC_SPLIT_TERMIOS (1U << ASYNCB_SPLIT_TERMIOS) 61607ca46eSDavid Howells #define ASYNC_SPD_HI (1U << ASYNCB_SPD_HI) 62607ca46eSDavid Howells #define ASYNC_SPD_VHI (1U << ASYNCB_SPD_VHI) 63607ca46eSDavid Howells #define ASYNC_SKIP_TEST (1U << ASYNCB_SKIP_TEST) 64607ca46eSDavid Howells #define ASYNC_AUTO_IRQ (1U << ASYNCB_AUTO_IRQ) 65607ca46eSDavid Howells #define ASYNC_SESSION_LOCKOUT (1U << ASYNCB_SESSION_LOCKOUT) 66607ca46eSDavid Howells #define ASYNC_PGRP_LOCKOUT (1U << ASYNCB_PGRP_LOCKOUT) 67607ca46eSDavid Howells #define ASYNC_CALLOUT_NOHUP (1U << ASYNCB_CALLOUT_NOHUP) 68607ca46eSDavid Howells #define ASYNC_HARDPPS_CD (1U << ASYNCB_HARDPPS_CD) 69607ca46eSDavid Howells #define ASYNC_SPD_SHI (1U << ASYNCB_SPD_SHI) 70607ca46eSDavid Howells #define ASYNC_LOW_LATENCY (1U << ASYNCB_LOW_LATENCY) 71607ca46eSDavid Howells #define ASYNC_BUGGY_UART (1U << ASYNCB_BUGGY_UART) 72607ca46eSDavid Howells #define ASYNC_AUTOPROBE (1U << ASYNCB_AUTOPROBE) 73904326ecSPeter Hurley #define ASYNC_MAGIC_MULTIPLIER (1U << ASYNCB_MAGIC_MULTIPLIER) 74607ca46eSDavid Howells 75607ca46eSDavid Howells #define ASYNC_FLAGS ((1U << (ASYNCB_LAST_USER + 1)) - 1) 76*5a35b040SJohan Hovold #define ASYNC_DEPRECATED (ASYNC_SPLIT_TERMIOS | ASYNC_SESSION_LOCKOUT | \ 77*5a35b040SJohan Hovold ASYNC_PGRP_LOCKOUT | ASYNC_CALLOUT_NOHUP | ASYNC_AUTOPROBE) 78607ca46eSDavid Howells #define ASYNC_USR_MASK (ASYNC_SPD_MASK|ASYNC_CALLOUT_NOHUP| \ 79607ca46eSDavid Howells ASYNC_LOW_LATENCY) 80607ca46eSDavid Howells #define ASYNC_SPD_CUST (ASYNC_SPD_HI|ASYNC_SPD_VHI) 81607ca46eSDavid Howells #define ASYNC_SPD_WARP (ASYNC_SPD_HI|ASYNC_SPD_SHI) 82607ca46eSDavid Howells #define ASYNC_SPD_MASK (ASYNC_SPD_HI|ASYNC_SPD_VHI|ASYNC_SPD_SHI) 83607ca46eSDavid Howells 84d09845e9SJohan Hovold #ifndef __KERNEL__ 85e4d38f33SPeter Hurley /* These flags are no longer used (and were always masked from userspace) */ 86607ca46eSDavid Howells #define ASYNC_INITIALIZED (1U << ASYNCB_INITIALIZED) 87607ca46eSDavid Howells #define ASYNC_NORMAL_ACTIVE (1U << ASYNCB_NORMAL_ACTIVE) 88607ca46eSDavid Howells #define ASYNC_BOOT_AUTOCONF (1U << ASYNCB_BOOT_AUTOCONF) 89607ca46eSDavid Howells #define ASYNC_CLOSING (1U << ASYNCB_CLOSING) 90607ca46eSDavid Howells #define ASYNC_CTS_FLOW (1U << ASYNCB_CTS_FLOW) 91607ca46eSDavid Howells #define ASYNC_CHECK_CD (1U << ASYNCB_CHECK_CD) 92607ca46eSDavid Howells #define ASYNC_SHARE_IRQ (1U << ASYNCB_SHARE_IRQ) 93607ca46eSDavid Howells #define ASYNC_CONS_FLOW (1U << ASYNCB_CONS_FLOW) 94607ca46eSDavid Howells #define ASYNC_INTERNAL_FLAGS (~((1U << ASYNCB_FIRST_KERNEL) - 1)) 955c0517feSPeter Hurley #endif 96607ca46eSDavid Howells 97607ca46eSDavid Howells #endif 98