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

typedef unsigned char cc_t;
typedef unsigned int speed_t;

/* c_iflag bits */
#define IGNBRK 0x001 /* Ignore break condition */
#define BRKINT 0x002 /* Signal interrupt on break */
#define IGNPAR 0x004 /* Ignore characters with parity errors */
#define PARMRK 0x008 /* Mark parity and framing errors */
#define INPCK  0x010 /* Enable input parity check */
#define ISTRIP 0x020 /* Strip 8th bit off characters */
#define INLCR  0x040 /* Map NL to CR on input */
#define IGNCR  0x080 /* Ignore CR */
#define ICRNL  0x100 /* Map CR to NL on input */
#define IXANY  0x800 /* Any character will restart after stop */

/* c_oflag bits */
#define OPOST  0x01 /* Perform output processing */
#define OCRNL  0x08
#define ONOCR  0x10
#define ONLRET 0x20
#define OFILL  0x40
#define OFDEL  0x80

/* c_cflag bit meaning */
/* Common CBAUD rates */
#define B0     0x00000000 /* hang up */
#define B50    0x00000001
#define B75    0x00000002
#define B110   0x00000003
#define B134   0x00000004
#define B150   0x00000005
#define B200   0x00000006
#define B300   0x00000007
#define B600   0x00000008
#define B1200  0x00000009
#define B1800  0x0000000a
#define B2400  0x0000000b
#define B4800  0x0000000c
#define B9600  0x0000000d
#define B19200 0x0000000e
#define B38400 0x0000000f
#define EXTA   B19200
#define EXTB   B38400

#define ADDRB	0x20000000 /* address bit */
#define CMSPAR	0x40000000 /* mark or space (stick) parity */
#define CRTSCTS 0x80000000 /* flow control */

#define IBSHIFT 16 /* Shift from CBAUD to CIBAUD */

/* tcflow() ACTION argument and TCXONC use these */
#define TCOOFF 0 /* Suspend output */
#define TCOON  1 /* Restart suspended output */
#define TCIOFF 2 /* Send a STOP character */
#define TCION  3 /* Send a START character */

/* tcflush() QUEUE_SELECTOR argument and TCFLSH use these */
#define TCIFLUSH  0 /* Discard data received but not yet read */
#define TCOFLUSH  1 /* Discard data written but not yet sent */
#define TCIOFLUSH 2 /* Discard all pending data */

#endif /* __ASM_GENERIC_TERMBITS_COMMON_H */