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#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