1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef __ASM_GENERIC_TERMBITS_COMMON_H
3 #define __ASM_GENERIC_TERMBITS_COMMON_H
4 
5 typedef unsigned char	cc_t;
6 typedef unsigned int	speed_t;
7 
8 /* c_iflag bits */
9 #define IGNBRK	0x001			/* Ignore break condition */
10 #define BRKINT	0x002			/* Signal interrupt on break */
11 #define IGNPAR	0x004			/* Ignore characters with parity errors */
12 #define PARMRK	0x008			/* Mark parity and framing errors */
13 #define INPCK	0x010			/* Enable input parity check */
14 #define ISTRIP	0x020			/* Strip 8th bit off characters */
15 #define INLCR	0x040			/* Map NL to CR on input */
16 #define IGNCR	0x080			/* Ignore CR */
17 #define ICRNL	0x100			/* Map CR to NL on input */
18 #define IXANY	0x800			/* Any character will restart after stop */
19 
20 /* c_oflag bits */
21 #define OPOST	0x01			/* Perform output processing */
22 #define OCRNL	0x08
23 #define ONOCR	0x10
24 #define ONLRET	0x20
25 #define OFILL	0x40
26 #define OFDEL	0x80
27 
28 /* c_cflag bit meaning */
29 /* Common CBAUD rates */
30 #define     B0		0x00000000	/* hang up */
31 #define    B50		0x00000001
32 #define    B75		0x00000002
33 #define   B110		0x00000003
34 #define   B134		0x00000004
35 #define   B150		0x00000005
36 #define   B200		0x00000006
37 #define   B300		0x00000007
38 #define   B600		0x00000008
39 #define  B1200		0x00000009
40 #define  B1800		0x0000000a
41 #define  B2400		0x0000000b
42 #define  B4800		0x0000000c
43 #define  B9600		0x0000000d
44 #define B19200		0x0000000e
45 #define B38400		0x0000000f
46 #define EXTA		B19200
47 #define EXTB		B38400
48 
49 #define ADDRB		0x20000000	/* address bit */
50 #define CMSPAR		0x40000000	/* mark or space (stick) parity */
51 #define CRTSCTS		0x80000000	/* flow control */
52 
53 #define IBSHIFT		16		/* Shift from CBAUD to CIBAUD */
54 
55 /* tcflow() ACTION argument and TCXONC use these */
56 #define TCOOFF		0		/* Suspend output */
57 #define TCOON		1		/* Restart suspended output */
58 #define TCIOFF		2		/* Send a STOP character */
59 #define TCION		3		/* Send a START character */
60 
61 /* tcflush() QUEUE_SELECTOR argument and TCFLSH use these */
62 #define TCIFLUSH	0		/* Discard data received but not yet read */
63 #define TCOFLUSH	1		/* Discard data written but not yet sent */
64 #define TCIOFLUSH	2		/* Discard all pending data */
65 
66 #endif /* __ASM_GENERIC_TERMBITS_COMMON_H */
67