include/uapi/linux/tty_flags.h

   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.
   9  */
  10 #define ASYNCB_HUP_NOTIFY        0 /* Notify getty on hangups and closes
  11                                     * on the callout port */
  12 #define ASYNCB_FOURPORT          1 /* Set OU1, OUT2 per AST Fourport settings */
  13 #define ASYNCB_SAK               2 /* Secure Attention Key (Orange book) */
  14 #define ASYNCB_SPLIT_TERMIOS     3 /* Separate termios for dialin/callout */
  15 #define ASYNCB_SPD_HI            4 /* Use 56000 instead of 38400 bps */
  16 #define ASYNCB_SPD_VHI           5 /* Use 115200 instead of 38400 bps */
  17 #define ASYNCB_SKIP_TEST         6 /* Skip UART test during autoconfiguration */
  18 #define ASYNCB_AUTO_IRQ          7 /* Do automatic IRQ during
  19                                     * autoconfiguration */
  20 #define ASYNCB_SESSION_LOCKOUT   8 /* Lock out cua opens based on session */
  21 #define ASYNCB_PGRP_LOCKOUT      9 /* Lock out cua opens based on pgrp */
  22 #define ASYNCB_CALLOUT_NOHUP    10 /* Don't do hangups for cua device */
  23 #define ASYNCB_HARDPPS_CD       11 /* Call hardpps when CD goes high  */
  24 #define ASYNCB_SPD_SHI          12 /* Use 230400 instead of 38400 bps */
  25 #define ASYNCB_LOW_LATENCY      13 /* Request low latency behaviour */
  26 #define ASYNCB_BUGGY_UART       14 /* This is a buggy UART, skip some safety
  27                                     * checks.  Note: can be dangerous! */
  28 #define ASYNCB_AUTOPROBE        15 /* Port was autoprobed by PCI or PNP code */
  29 #define ASYNCB_LAST_USER        15
  30
  31 /* Internal flags used only by kernel */
  32 #define ASYNCB_INITIALIZED      31 /* Serial port was initialized */
  33 #define ASYNCB_SUSPENDED        30 /* Serial port is suspended */
  34 #define ASYNCB_NORMAL_ACTIVE    29 /* Normal device is active */
  35 #define ASYNCB_BOOT_AUTOCONF    28 /* Autoconfigure port on bootup */
  36 #define ASYNCB_CLOSING          27 /* Serial port is closing */
  37 #define ASYNCB_CTS_FLOW         26 /* Do CTS flow control */
  38 #define ASYNCB_CHECK_CD         25 /* i.e., CLOCAL */
  39 #define ASYNCB_SHARE_IRQ        24 /* for multifunction cards, no longer used */
  40 #define ASYNCB_CONS_FLOW        23 /* flow control for console  */
  41 #define ASYNCB_FIRST_KERNEL     22
  42
  43 #define ASYNC_HUP_NOTIFY        (1U << ASYNCB_HUP_NOTIFY)
  44 #define ASYNC_SUSPENDED         (1U << ASYNCB_SUSPENDED)
  45 #define ASYNC_FOURPORT          (1U << ASYNCB_FOURPORT)
  46 #define ASYNC_SAK               (1U << ASYNCB_SAK)
  47 #define ASYNC_SPLIT_TERMIOS     (1U << ASYNCB_SPLIT_TERMIOS)
  48 #define ASYNC_SPD_HI            (1U << ASYNCB_SPD_HI)
  49 #define ASYNC_SPD_VHI           (1U << ASYNCB_SPD_VHI)
  50 #define ASYNC_SKIP_TEST         (1U << ASYNCB_SKIP_TEST)
  51 #define ASYNC_AUTO_IRQ          (1U << ASYNCB_AUTO_IRQ)
  52 #define ASYNC_SESSION_LOCKOUT   (1U << ASYNCB_SESSION_LOCKOUT)
  53 #define ASYNC_PGRP_LOCKOUT      (1U << ASYNCB_PGRP_LOCKOUT)
  54 #define ASYNC_CALLOUT_NOHUP     (1U << ASYNCB_CALLOUT_NOHUP)
  55 #define ASYNC_HARDPPS_CD        (1U << ASYNCB_HARDPPS_CD)
  56 #define ASYNC_SPD_SHI           (1U << ASYNCB_SPD_SHI)
  57 #define ASYNC_LOW_LATENCY       (1U << ASYNCB_LOW_LATENCY)
  58 #define ASYNC_BUGGY_UART        (1U << ASYNCB_BUGGY_UART)
  59 #define ASYNC_AUTOPROBE         (1U << ASYNCB_AUTOPROBE)
  60
  61 #define ASYNC_FLAGS             ((1U << (ASYNCB_LAST_USER + 1)) - 1)
  62 #define ASYNC_USR_MASK          (ASYNC_SPD_MASK|ASYNC_CALLOUT_NOHUP| \
  63                 ASYNC_LOW_LATENCY)
  64 #define ASYNC_SPD_CUST          (ASYNC_SPD_HI|ASYNC_SPD_VHI)
  65 #define ASYNC_SPD_WARP          (ASYNC_SPD_HI|ASYNC_SPD_SHI)
  66 #define ASYNC_SPD_MASK          (ASYNC_SPD_HI|ASYNC_SPD_VHI|ASYNC_SPD_SHI)
  67
  68 #define ASYNC_INITIALIZED       (1U << ASYNCB_INITIALIZED)
  69 #define ASYNC_NORMAL_ACTIVE     (1U << ASYNCB_NORMAL_ACTIVE)
  70 #define ASYNC_BOOT_AUTOCONF     (1U << ASYNCB_BOOT_AUTOCONF)
  71 #define ASYNC_CLOSING           (1U << ASYNCB_CLOSING)
  72 #define ASYNC_CTS_FLOW          (1U << ASYNCB_CTS_FLOW)
  73 #define ASYNC_CHECK_CD          (1U << ASYNCB_CHECK_CD)
  74 #define ASYNC_SHARE_IRQ         (1U << ASYNCB_SHARE_IRQ)
  75 #define ASYNC_CONS_FLOW         (1U << ASYNCB_CONS_FLOW)
  76 #define ASYNC_INTERNAL_FLAGS    (~((1U << ASYNCB_FIRST_KERNEL) - 1))
  77
  78 #endif