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- /* 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.
- */
- #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 <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 */
- #endif /* _UAPI_LINUX_TTY_H */
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