/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_LINUX_TTY_H
#define _UAPI_LINUX_TTY_H

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

/* 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 <kaz@cafe.net> */
#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 */
#define N_MCTP          28      /* MCTP-over-serial */
#define N_DEVELOPMENT   29      /* Manual out-of-tree testing */
#define N_CAN327        30      /* ELM327 based OBD-II interfaces */

/* Always the newest line discipline + 1 */
#define NR_LDISCS       31

#endif /* _UAPI_LINUX_TTY_H */