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: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alan Cox 2012-09-04 16:35:08 +01:00 committed by Greg Kroah-Hartman
parent 7ba2e76982
commit ba3fe7aba2
4 changed files with 83 additions and 72 deletions

View File

@ -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

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@ -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

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@ -43,6 +43,7 @@
#include <linux/tty_driver.h>
#include <linux/tty_ldisc.h>
#include <linux/mutex.h>
#include <linux/tty_flags.h>

78
include/linux/tty_flags.h Normal file
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@ -0,0 +1,78 @@
#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