/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

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#ifndef _LINUX_TTY_H

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#define _LINUX_TTY_H

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/*

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* 'tty.h' defines some structures used by tty_io.c and some defines.

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*/

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#define NR_LDISCS 30

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/* line disciplines */

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#define N_TTY 0

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#define N_SLIP 1

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#define N_MOUSE 2

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#define N_PPP 3

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#define N_STRIP 4

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#define N_AX25 5

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#define N_X25 6 /* X.25 async */

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#define N_6PACK 7

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#define N_MASC 8 /* Reserved for Mobitex module <kaz@cafe.net> */

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#define N_R3964 9 /* Reserved for Simatic R3964 module */

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#define N_PROFIBUS_FDL 10 /* Reserved for Profibus */

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#define N_IRDA 11 /* Linux IrDa - http://irda.sourceforge.net/ */

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#define N_SMSBLOCK 12 /* SMS block mode - for talking to GSM data */

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/* cards about SMS messages */

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#define N_HDLC 13 /* synchronous HDLC */

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#define N_SYNC_PPP 14 /* synchronous PPP */

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#define N_HCI 15 /* Bluetooth HCI UART */

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#define N_GIGASET_M101 16 /* Siemens Gigaset M101 serial DECT adapter */

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#define N_SLCAN 17 /* Serial / USB serial CAN Adaptors */

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#define N_PPS 18 /* Pulse per Second */

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#define N_V253 19 /* Codec control over voice modem */

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#define N_CAIF 20 /* CAIF protocol for talking to modems */

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#define N_GSM0710 21 /* GSM 0710 Mux */

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#define N_TI_WL 22 /* for TI's WL BT, FM, GPS combo chips */

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#define N_TRACESINK 23 /* Trace data routing for MIPI P1149.7 */

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#define N_TRACEROUTER 24 /* Trace data routing for MIPI P1149.7 */

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#define N_NCI 25 /* NFC NCI UART */

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#define N_SPEAKUP 26 /* Speakup communication with synths */

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#define N_NULL 27 /* Null ldisc used for error handling */

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#endif /* _LINUX_TTY_H */

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