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 */