[deliverable/linux.git] / include / uapi / linux / tty_flags.h

#ifndef _LINUX_TTY_FLAGS_H
#define _LINUX_TTY_FLAGS_H

/*
 * Definitions for async_struct (and serial_struct) flags field also
 * shared by the tty_port flags structures.
 *
 * Define ASYNCB_* for convenient use with {test,set,clear}_bit.
 *
 * Bits [0..ASYNCB_LAST_USER] are userspace defined/visible/changeable
 * [x] in the bit comments indicates the flag is defunct and no longer used.
 */
#define ASYNCB_HUP_NOTIFY	 0 /* Notify getty on hangups and closes
				    * on the callout port */
#define ASYNCB_FOURPORT		 1 /* Set OU1, OUT2 per AST Fourport settings */
#define ASYNCB_SAK		 2 /* Secure Attention Key (Orange book) */
#define ASYNCB_SPLIT_TERMIOS	 3 /* [x] Separate termios for dialin/callout */
#define ASYNCB_SPD_HI		 4 /* Use 57600 instead of 38400 bps */
#define ASYNCB_SPD_VHI		 5 /* Use 115200 instead of 38400 bps */
#define ASYNCB_SKIP_TEST	 6 /* Skip UART test during autoconfiguration */
#define ASYNCB_AUTO_IRQ		 7 /* Do automatic IRQ during
				    * autoconfiguration */
#define ASYNCB_SESSION_LOCKOUT	 8 /* [x] Lock out cua opens based on session */
#define ASYNCB_PGRP_LOCKOUT	 9 /* [x] Lock out cua opens based on pgrp */
#define ASYNCB_CALLOUT_NOHUP	10 /* [x] Don't do hangups for cua device */
#define ASYNCB_HARDPPS_CD	11 /* Call hardpps when CD goes high  */
#define ASYNCB_SPD_SHI		12 /* Use 230400 instead of 38400 bps */
#define ASYNCB_LOW_LATENCY	13 /* Request low latency behaviour */
#define ASYNCB_BUGGY_UART	14 /* This is a buggy UART, skip some safety
				    * checks.  Note: can be dangerous! */
#define ASYNCB_AUTOPROBE	15 /* [x] Port was autoprobed by PCI/PNP code */
#define ASYNCB_MAGIC_MULTIPLIER	16 /* Use special CLK or divisor */
#define ASYNCB_LAST_USER	16

/*
 * Internal flags used only by kernel (read-only)
 *
 * WARNING: These flags are no longer used and have been superceded by the
 *	    TTY_PORT_ flags in the iflags field (and not userspace-visible)
 */
#ifndef _KERNEL_
#define ASYNCB_INITIALIZED	31 /* Serial port was initialized */
#define ASYNCB_SUSPENDED	30 /* Serial port is suspended */
#define ASYNCB_NORMAL_ACTIVE	29 /* Normal device is active */
#define ASYNCB_BOOT_AUTOCONF	28 /* Autoconfigure port on bootup */
#define ASYNCB_CLOSING		27 /* Serial port is closing */
#define ASYNCB_CTS_FLOW		26 /* Do CTS flow control */
#define ASYNCB_CHECK_CD		25 /* i.e., CLOCAL */
#define ASYNCB_SHARE_IRQ	24 /* for multifunction cards, no longer used */
#define ASYNCB_CONS_FLOW	23 /* flow control for console  */
#define ASYNCB_FIRST_KERNEL	22
#endif

/* Masks */
#define ASYNC_HUP_NOTIFY	(1U << ASYNCB_HUP_NOTIFY)
#define ASYNC_SUSPENDED		(1U << ASYNCB_SUSPENDED)
#define ASYNC_FOURPORT		(1U << ASYNCB_FOURPORT)
#define ASYNC_SAK		(1U << ASYNCB_SAK)
#define ASYNC_SPLIT_TERMIOS	(1U << ASYNCB_SPLIT_TERMIOS)
#define ASYNC_SPD_HI		(1U << ASYNCB_SPD_HI)
#define ASYNC_SPD_VHI		(1U << ASYNCB_SPD_VHI)
#define ASYNC_SKIP_TEST		(1U << ASYNCB_SKIP_TEST)
#define ASYNC_AUTO_IRQ		(1U << ASYNCB_AUTO_IRQ)
#define ASYNC_SESSION_LOCKOUT	(1U << ASYNCB_SESSION_LOCKOUT)
#define ASYNC_PGRP_LOCKOUT	(1U << ASYNCB_PGRP_LOCKOUT)
#define ASYNC_CALLOUT_NOHUP	(1U << ASYNCB_CALLOUT_NOHUP)
#define ASYNC_HARDPPS_CD	(1U << ASYNCB_HARDPPS_CD)
#define ASYNC_SPD_SHI		(1U << ASYNCB_SPD_SHI)
#define ASYNC_LOW_LATENCY	(1U << ASYNCB_LOW_LATENCY)
#define ASYNC_BUGGY_UART	(1U << ASYNCB_BUGGY_UART)
#define ASYNC_AUTOPROBE		(1U << ASYNCB_AUTOPROBE)
#define ASYNC_MAGIC_MULTIPLIER	(1U << ASYNCB_MAGIC_MULTIPLIER)

#define ASYNC_FLAGS		((1U << (ASYNCB_LAST_USER + 1)) - 1)
#define ASYNC_DEPRECATED	(ASYNC_SESSION_LOCKOUT | ASYNC_PGRP_LOCKOUT | \
		ASYNC_CALLOUT_NOHUP | ASYNC_AUTOPROBE)
#define ASYNC_USR_MASK		(ASYNC_SPD_MASK|ASYNC_CALLOUT_NOHUP| \
		ASYNC_LOW_LATENCY)
#define ASYNC_SPD_CUST		(ASYNC_SPD_HI|ASYNC_SPD_VHI)
#define ASYNC_SPD_WARP		(ASYNC_SPD_HI|ASYNC_SPD_SHI)
#define ASYNC_SPD_MASK		(ASYNC_SPD_HI|ASYNC_SPD_VHI|ASYNC_SPD_SHI)

#ifndef _KERNEL_
/* These flags are no longer used (and were always masked from userspace) */
#define ASYNC_INITIALIZED	(1U << ASYNCB_INITIALIZED)
#define ASYNC_NORMAL_ACTIVE	(1U << ASYNCB_NORMAL_ACTIVE)
#define ASYNC_BOOT_AUTOCONF	(1U << ASYNCB_BOOT_AUTOCONF)
#define ASYNC_CLOSING		(1U << ASYNCB_CLOSING)
#define ASYNC_CTS_FLOW		(1U << ASYNCB_CTS_FLOW)
#define ASYNC_CHECK_CD		(1U << ASYNCB_CHECK_CD)
#define ASYNC_SHARE_IRQ		(1U << ASYNCB_SHARE_IRQ)
#define ASYNC_CONS_FLOW		(1U << ASYNCB_CONS_FLOW)
#define ASYNC_INTERNAL_FLAGS	(~((1U << ASYNCB_FIRST_KERNEL) - 1))
#endif

#endif
Commit	Line	Data
ba3fe7ab AC	1	#ifndef _LINUX_TTY_FLAGS_H
	2	#define _LINUX_TTY_FLAGS_H
	3
	4	/*
	5	* Definitions for async_struct (and serial_struct) flags field also
	6	* shared by the tty_port flags structures.
	7	*
	8	* Define ASYNCB_* for convenient use with {test,set,clear}_bit.
904326ec PH	9	*
904326ec PH	10	* Bits [0..ASYNCB_LAST_USER] are userspace defined/visible/changeable
352f8618	11	* [x] in the bit comments indicates the flag is defunct and no longer used.
ba3fe7ab AC	12	*/
	13	#define ASYNCB_HUP_NOTIFY 0 /* Notify getty on hangups and closes
	14	* on the callout port */
	15	#define ASYNCB_FOURPORT 1 /* Set OU1, OUT2 per AST Fourport settings */
	16	#define ASYNCB_SAK 2 /* Secure Attention Key (Orange book) */
5ac9c05d	17	#define ASYNCB_SPLIT_TERMIOS 3 /* [x] Separate termios for dialin/callout */
113c62ee	18	#define ASYNCB_SPD_HI 4 /* Use 57600 instead of 38400 bps */
ba3fe7ab AC	19	#define ASYNCB_SPD_VHI 5 /* Use 115200 instead of 38400 bps */
	20	#define ASYNCB_SKIP_TEST 6 /* Skip UART test during autoconfiguration */
	21	#define ASYNCB_AUTO_IRQ 7 /* Do automatic IRQ during
	22	* autoconfiguration */
352f8618 PH	23	#define ASYNCB_SESSION_LOCKOUT 8 /* [x] Lock out cua opens based on session */
	24	#define ASYNCB_PGRP_LOCKOUT 9 /* [x] Lock out cua opens based on pgrp */
	25	#define ASYNCB_CALLOUT_NOHUP 10 /* [x] Don't do hangups for cua device */
ba3fe7ab AC	26	#define ASYNCB_HARDPPS_CD 11 /* Call hardpps when CD goes high */
	27	#define ASYNCB_SPD_SHI 12 /* Use 230400 instead of 38400 bps */
	28	#define ASYNCB_LOW_LATENCY 13 /* Request low latency behaviour */
	29	#define ASYNCB_BUGGY_UART 14 /* This is a buggy UART, skip some safety
	30	* checks. Note: can be dangerous! */
352f8618	31	#define ASYNCB_AUTOPROBE 15 /* [x] Port was autoprobed by PCI/PNP code */
904326ec PH	32	#define ASYNCB_MAGIC_MULTIPLIER 16 /* Use special CLK or divisor */
904326ec PH	33	#define ASYNCB_LAST_USER 16
ba3fe7ab	34
e4d38f33 PH	35	/*
	36	* Internal flags used only by kernel (read-only)
	37	*
	38	* WARNING: These flags are no longer used and have been superceded by the
	39	* TTY_PORT_ flags in the iflags field (and not userspace-visible)
	40	*/
5c0517fe	41	#ifndef _KERNEL_
ba3fe7ab AC	42	#define ASYNCB_INITIALIZED 31 /* Serial port was initialized */
	43	#define ASYNCB_SUSPENDED 30 /* Serial port is suspended */
	44	#define ASYNCB_NORMAL_ACTIVE 29 /* Normal device is active */
	45	#define ASYNCB_BOOT_AUTOCONF 28 /* Autoconfigure port on bootup */
	46	#define ASYNCB_CLOSING 27 /* Serial port is closing */
	47	#define ASYNCB_CTS_FLOW 26 /* Do CTS flow control */
	48	#define ASYNCB_CHECK_CD 25 /* i.e., CLOCAL */
	49	#define ASYNCB_SHARE_IRQ 24 /* for multifunction cards, no longer used */
	50	#define ASYNCB_CONS_FLOW 23 /* flow control for console */
	51	#define ASYNCB_FIRST_KERNEL 22
5c0517fe	52	#endif
ba3fe7ab	53
e4d38f33	54	/* Masks */
ba3fe7ab AC	55	#define ASYNC_HUP_NOTIFY (1U << ASYNCB_HUP_NOTIFY)
	56	#define ASYNC_SUSPENDED (1U << ASYNCB_SUSPENDED)
	57	#define ASYNC_FOURPORT (1U << ASYNCB_FOURPORT)
	58	#define ASYNC_SAK (1U << ASYNCB_SAK)
	59	#define ASYNC_SPLIT_TERMIOS (1U << ASYNCB_SPLIT_TERMIOS)
	60	#define ASYNC_SPD_HI (1U << ASYNCB_SPD_HI)
	61	#define ASYNC_SPD_VHI (1U << ASYNCB_SPD_VHI)
	62	#define ASYNC_SKIP_TEST (1U << ASYNCB_SKIP_TEST)
	63	#define ASYNC_AUTO_IRQ (1U << ASYNCB_AUTO_IRQ)
	64	#define ASYNC_SESSION_LOCKOUT (1U << ASYNCB_SESSION_LOCKOUT)
	65	#define ASYNC_PGRP_LOCKOUT (1U << ASYNCB_PGRP_LOCKOUT)
	66	#define ASYNC_CALLOUT_NOHUP (1U << ASYNCB_CALLOUT_NOHUP)
	67	#define ASYNC_HARDPPS_CD (1U << ASYNCB_HARDPPS_CD)
	68	#define ASYNC_SPD_SHI (1U << ASYNCB_SPD_SHI)
	69	#define ASYNC_LOW_LATENCY (1U << ASYNCB_LOW_LATENCY)
	70	#define ASYNC_BUGGY_UART (1U << ASYNCB_BUGGY_UART)
	71	#define ASYNC_AUTOPROBE (1U << ASYNCB_AUTOPROBE)
904326ec	72	#define ASYNC_MAGIC_MULTIPLIER (1U << ASYNCB_MAGIC_MULTIPLIER)
ba3fe7ab AC	73
ba3fe7ab AC	74	#define ASYNC_FLAGS ((1U << (ASYNCB_LAST_USER + 1)) - 1)
8a8ae62f JS	75	#define ASYNC_DEPRECATED (ASYNC_SESSION_LOCKOUT \| ASYNC_PGRP_LOCKOUT \| \
8a8ae62f JS	76	ASYNC_CALLOUT_NOHUP \| ASYNC_AUTOPROBE)
ba3fe7ab AC	77	#define ASYNC_USR_MASK (ASYNC_SPD_MASK\|ASYNC_CALLOUT_NOHUP\| \
	78	ASYNC_LOW_LATENCY)
	79	#define ASYNC_SPD_CUST (ASYNC_SPD_HI\|ASYNC_SPD_VHI)
	80	#define ASYNC_SPD_WARP (ASYNC_SPD_HI\|ASYNC_SPD_SHI)
	81	#define ASYNC_SPD_MASK (ASYNC_SPD_HI\|ASYNC_SPD_VHI\|ASYNC_SPD_SHI)
	82
5c0517fe	83	#ifndef _KERNEL_
e4d38f33	84	/* These flags are no longer used (and were always masked from userspace) */
ba3fe7ab AC	85	#define ASYNC_INITIALIZED (1U << ASYNCB_INITIALIZED)
	86	#define ASYNC_NORMAL_ACTIVE (1U << ASYNCB_NORMAL_ACTIVE)
	87	#define ASYNC_BOOT_AUTOCONF (1U << ASYNCB_BOOT_AUTOCONF)
	88	#define ASYNC_CLOSING (1U << ASYNCB_CLOSING)
	89	#define ASYNC_CTS_FLOW (1U << ASYNCB_CTS_FLOW)
	90	#define ASYNC_CHECK_CD (1U << ASYNCB_CHECK_CD)
	91	#define ASYNC_SHARE_IRQ (1U << ASYNCB_SHARE_IRQ)
	92	#define ASYNC_CONS_FLOW (1U << ASYNCB_CONS_FLOW)
	93	#define ASYNC_INTERNAL_FLAGS (~((1U << ASYNCB_FIRST_KERNEL) - 1))
5c0517fe	94	#endif
ba3fe7ab AC	95
ba3fe7ab AC	96	#endif