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Commit ba3fe7ab authored by Alan Cox's avatar Alan Cox Committed by Greg Kroah-Hartman
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tty: move the async flags from the serial code into the tty includes 



These are used with the tty_port flags which are tty generic so move the
flags into a more sensible place. This then makes it possible to add
helpers such as those suggested by Huang Shijie.

Signed-off-by: default avatarAlan Cox <alan@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7ba2e769

include/linux/Kbuild

+1 −0
Original line number Diff line number Diff line
@@ -369,6 +369,7 @@ header-y += tipc.h 
header-y += tipc_config.h

header-y += toshiba.h

header-y += tty.h

header-y += tty_flags.h

header-y += types.h

header-y += udf_fs_i.h

header-y += udp.h

include/linux/serial.h

+3 −72
Original line number Diff line number Diff line
@@ -12,9 +12,12 @@ 


#include <linux/types.h>



#include <linux/tty_flags.h>



#ifdef __KERNEL__

#include <asm/page.h>





/*

 * Counters of the input lines (CTS, DSR, RI, CD) interrupts

 */
@@ -94,78 +97,6 @@ struct serial_uart_config { 
#define UART_STARTECH		0x04

#define UART_NATSEMI		0x08



/*

 * Definitions for async_struct (and serial_struct) flags field

 *

 * Define ASYNCB_* for convenient use with {test,set,clear}_bit.

 */

#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 /* Separate termios for dialin/callout */

#define ASYNCB_SPD_HI		 4 /* Use 56000 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 /* Lock out cua opens based on session */

#define ASYNCB_PGRP_LOCKOUT	 9 /* Lock out cua opens based on pgrp */

#define ASYNCB_CALLOUT_NOHUP	10 /* 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 /* Port was autoprobed by PCI or PNP code */

#define ASYNCB_LAST_USER	15



/* Internal flags used only by 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



#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_FLAGS		((1U << (ASYNCB_LAST_USER + 1)) - 1)

#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)



#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))



/*

 * Multiport serial configuration structure --- external structure

include/linux/tty.h

+1 −0
Original line number Diff line number Diff line
@@ -43,6 +43,7 @@ 
#include <linux/tty_driver.h>

#include <linux/tty_ldisc.h>

#include <linux/mutex.h>

#include <linux/tty_flags.h>

include/linux/tty_flags.h

0 → 100644
+78 −0
Original line number Diff line number Diff line 
#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.

 */

#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 /* Separate termios for dialin/callout */

#define ASYNCB_SPD_HI		 4 /* Use 56000 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 /* Lock out cua opens based on session */

#define ASYNCB_PGRP_LOCKOUT	 9 /* Lock out cua opens based on pgrp */

#define ASYNCB_CALLOUT_NOHUP	10 /* 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 /* Port was autoprobed by PCI or PNP code */

#define ASYNCB_LAST_USER	15



/* Internal flags used only by 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



#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_FLAGS		((1U << (ASYNCB_LAST_USER + 1)) - 1)

#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)



#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