diff options
Diffstat (limited to 'stage2/serial.h')
| -rw-r--r-- | stage2/serial.h | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/stage2/serial.h b/stage2/serial.h deleted file mode 100644 index 76c2227..0000000 --- a/stage2/serial.h +++ /dev/null @@ -1,93 +0,0 @@ -/* serial.h - serial device interface */ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2000,2001,2002 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef GRUB_SERIAL_HEADER -#define GRUB_SERIAL_HEADER 1 - -/* Macros. */ - -/* The offsets of UART registers. */ -#define UART_TX 0 -#define UART_RX 0 -#define UART_DLL 0 -#define UART_IER 1 -#define UART_DLH 1 -#define UART_IIR 2 -#define UART_FCR 2 -#define UART_LCR 3 -#define UART_MCR 4 -#define UART_LSR 5 -#define UART_MSR 6 -#define UART_SR 7 - -/* For LSR bits. */ -#define UART_DATA_READY 0x01 -#define UART_EMPTY_TRANSMITTER 0x20 - -/* The type of parity. */ -#define UART_NO_PARITY 0x00 -#define UART_ODD_PARITY 0x08 -#define UART_EVEN_PARITY 0x18 - -/* The type of word length. */ -#define UART_5BITS_WORD 0x00 -#define UART_6BITS_WORD 0x01 -#define UART_7BITS_WORD 0x02 -#define UART_8BITS_WORD 0x03 - -/* The type of the length of stop bit. */ -#define UART_1_STOP_BIT 0x00 -#define UART_2_STOP_BITS 0x04 - -/* the switch of DLAB. */ -#define UART_DLAB 0x80 - -/* Enable the FIFO. */ -#define UART_ENABLE_FIFO 0xC7 - -/* Turn on DTR, RTS, and OUT2. */ -#define UART_ENABLE_MODEM 0x0B - - -/* Function prototypes. */ - -/* Fetch a key. */ -int serial_hw_fetch (void); - -/* Put a character. */ -void serial_hw_put (int c); - -/* Insert a delay. */ -void serial_hw_delay (void); - -/* Return the port number for the UNITth serial device. */ -unsigned short serial_hw_get_port (int unit); - -/* Initialize a serial device. */ -int serial_hw_init (unsigned short port, unsigned int speed, - int word_len, int parity, int stop_bit_len); - -#ifdef GRUB_UTIL -/* Set the file name of a serial device (or a pty device). This is a - function specific to the grub shell. */ -void serial_set_device (const char *device); -#endif /* GRUB_UTIL */ - -#endif /* ! GRUB_SERIAL_HEADER */ |