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