tty.h

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// MIT License
//
// Copyright (c) 2026 Christian Spoo
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

 
#ifndef _MINIOS_DRIVERS_TTY_H_
#define _MINIOS_DRIVERS_TTY_H_
 
#include <miniOS/types.h>
 
#define TTY_LFLAG_ISIG   0x0001u
#define TTY_LFLAG_ICANON 0x0002u
#define TTY_LFLAG_ECHO   0x0008u
 
#define VINTR 0
#define VEOF  1
#define TTY_NCCS 8
 
#define TCGETS    0x5401UL
#define TCSETS    0x5402UL
#define TCSETSW   0x5403UL
#define TCSETSF   0x5404UL
#define TIOCSCTTY 0x540EUL
#define TIOCGPGRP 0x540FUL   /* get foreground process group id */
#define TIOCSPGRP 0x5410UL   /* set foreground process group id */
#define TIOCGWINSZ 0x5413UL
#define TIOCNOTTY 0x5422UL
 
struct minios_termios {
    uint32_t c_iflag;
    uint32_t c_oflag;
    uint32_t c_cflag;
    uint32_t c_lflag;
    uint8_t  c_cc[TTY_NCCS];
};
 
struct minios_winsize {
    uint16_t ws_row;
    uint16_t ws_col;
    uint16_t ws_xpixel;
    uint16_t ws_ypixel;
};

void tty_init(void);

void tty_keyboard_input(char c);

void tty_inject_escape(const char *seq, int len);

int tty_has_data(void);

int tty_read(void *buf, uint32_t len, int nonblock);

int tty_write(const void *buf, uint32_t len);

int tty_ioctl(uint64_t cmd, uint64_t arg);

int tty_isatty_fd(int fd);

 
#endif /* _MINIOS_DRIVERS_TTY_H_ */