xref: /openbmc/linux/include/uapi/asm-generic/termbits-common.h (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)
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