/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_TERMIOS_CONV_H
#define _LINUX_TERMIOS_CONV_H

#include <linux/uaccess.h>
#include <asm/termios.h>

/*    intr=^C        quit=^\        erase=del    kill=^U
    eof=^D        vtime=\0    vmin=\1        sxtc=\0
    start=^Q    stop=^S        susp=^Z        eol=\0
    reprint=^R    discard=^O    werase=^W    lnext=^V
    eol2=\0
*/

#ifdef VDSUSP
#define INIT_C_CC_VDSUSP_EXTRA [VDSUSP] = 'Y'-0x40,
#else
#define INIT_C_CC_VDSUSP_EXTRA
#endif

#define INIT_C_CC {        \
    [VINTR] = 'C'-0x40,    \
    [VQUIT] = '\\'-0x40,    \
    [VERASE] = '\177',    \
    [VKILL] = 'U'-0x40,    \
    [VEOF] = 'D'-0x40,    \
    [VSTART] = 'Q'-0x40,    \
    [VSTOP] = 'S'-0x40,    \
    [VSUSP] = 'Z'-0x40,    \
    [VREPRINT] = 'R'-0x40,    \
    [VDISCARD] = 'O'-0x40,    \
    [VWERASE] = 'W'-0x40,    \
    [VLNEXT] = 'V'-0x40,    \
    INIT_C_CC_VDSUSP_EXTRA    \
    [VMIN] = 1 }

int user_termio_to_kernel_termios(struct ktermios *, struct termio __user *);
int kernel_termios_to_user_termio(struct termio __user *, struct ktermios *);
#ifdef TCGETS2
int user_termios_to_kernel_termios(struct ktermios *, struct termios2 __user *);
int kernel_termios_to_user_termios(struct termios2 __user *, struct ktermios *);
int user_termios_to_kernel_termios_1(struct ktermios *, struct termios __user *);
int kernel_termios_to_user_termios_1(struct termios __user *, struct ktermios *);
#else /* TCGETS2 */
int user_termios_to_kernel_termios(struct ktermios *, struct termios __user *);
int kernel_termios_to_user_termios(struct termios __user *, struct ktermios *);
#endif /* TCGETS2 */

#endif /* _LINUX_TERMIOS_CONV_H */