include/uapi/linux/tty.h

   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 */