1 /* 2 * This file is part of the flashrom project. 3 * 4 * Copyright (C) 2009 Carl-Daniel Hailfinger 5 * Copyright (C) 2022 secunet Security Networks AG 6 * (Written by Thomas Heijligen <[email protected]) 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; version 2 of the License. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 */ 17 18 /* 19 * This file contains prototypes for x86 I/O Port access. 20 */ 21 22 #ifndef __HWACCESS_X86_IO_H__ 23 #define __HWACCESS_X86_IO_H__ 1 24 25 #include <stdint.h> 26 /** 27 */ 28 int rget_io_perms(void); 29 30 void OUTB(uint8_t value, uint16_t port); 31 void OUTW(uint16_t value, uint16_t port); 32 void OUTL(uint32_t value, uint16_t port); 33 uint8_t INB(uint16_t port); 34 uint16_t INW(uint16_t port); 35 uint32_t INL(uint16_t port); 36 37 #endif /* __HWACCESS_X86_IO_H__ */ 38