1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2#ifndef _UAPI_LINUX_TTY_H 3#define _UAPI_LINUX_TTY_H 4 5/* 6 * 'tty.h' defines some structures used by tty_io.c and some defines. 7 */ 8 9#define NR_LDISCS 30 10 11/* line disciplines */ 12#define N_TTY 0 13#define N_SLIP 1 14#define N_MOUSE 2 15#define N_PPP 3 16#define N_STRIP 4 17#define N_AX25 5 18#define N_X25 6 /* X.25 async */ 19#define N_6PACK 7 20#define N_MASC 8 /* Reserved for Mobitex module <kaz@cafe.net> */ 21#define N_R3964 9 /* Reserved for Simatic R3964 module */ 22#define N_PROFIBUS_FDL 10 /* Reserved for Profibus */ 23#define N_IRDA 11 /* Linux IrDa - http://irda.sourceforge.net/ */ 24#define N_SMSBLOCK 12 /* SMS block mode - for talking to GSM data */ 25 /* cards about SMS messages */ 26#define N_HDLC 13 /* synchronous HDLC */ 27#define N_SYNC_PPP 14 /* synchronous PPP */ 28#define N_HCI 15 /* Bluetooth HCI UART */ 29#define N_GIGASET_M101 16 /* Siemens Gigaset M101 serial DECT adapter */ 30#define N_SLCAN 17 /* Serial / USB serial CAN Adaptors */ 31#define N_PPS 18 /* Pulse per Second */ 32#define N_V253 19 /* Codec control over voice modem */ 33#define N_CAIF 20 /* CAIF protocol for talking to modems */ 34#define N_GSM0710 21 /* GSM 0710 Mux */ 35#define N_TI_WL 22 /* for TI's WL BT, FM, GPS combo chips */ 36#define N_TRACESINK 23 /* Trace data routing for MIPI P1149.7 */ 37#define N_TRACEROUTER 24 /* Trace data routing for MIPI P1149.7 */ 38#define N_NCI 25 /* NFC NCI UART */ 39#define N_SPEAKUP 26 /* Speakup communication with synths */ 40#define N_NULL 27 /* Null ldisc used for error handling */ 41 42#endif /* _UAPI_LINUX_TTY_H */ 43