reactos/drivers/base/kddll/kdcom.h

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/*
* COPYRIGHT: GPL, see COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: drivers/base/kddll/kdcom.h
* PURPOSE: COM port definitions for the kernel debugger.
* PROGRAMMER: Timo Kreuzer (timo.kreuzer@ewactos.org)
*/
#pragma once
#define COM_DAT 0x00
#define COM_IEN 0x01 /* interrupt enable register */
#define COM_FCR 0x02 /* FIFO Control Register */
#define COM_LCR 0x03 /* line control registers */
#define COM_MCR 0x04 /* modem control reg */
#define COM_LSR 0x05 /* line status register */
#define COM_MSR 0x06 /* modem status register */
#define COM_SCR 0x07 /* scratch register */
#define COM_DLL 0x00 /* divisor latch least sig */
#define COM_DLM 0x01 /* divisor latch most sig */
#define IEN_ERDA 0x01
#define IEN_ETHRE 0x02
#define IEN_ERLSI 0x04
#define IEN_EMS 0x08
#define IEN_ALL 0x0F
#define FCR_ENABLE_FIFO 0x01
#define FCR_CLEAR_RCVR 0x02
#define FCR_CLEAR_XMIT 0x04
#define LCR_CS5 0x00
#define LCR_CS6 0x01
#define LCR_CS7 0x02
#define LCR_CS8 0x03
#define LCR_ST1 0x00
#define LCR_ST2 0x04
#define LCR_PNO 0x00
#define LCR_POD 0x08
#define LCR_PEV 0x18
#define LCR_PMK 0x28
#define LCR_PSP 0x38
#define LCR_BRK 0x40
#define LCR_DLAB 0x80
#define MCR_DTR 0x01
#define MCR_RTS 0x02
#define MCR_OUT1 0x04 /* general purpose output */
#define MCR_OUT2 0x08
#define MCR_LOOP 0x10 /* loopback testing mode */
#define MCR_ALL (MCR_DTR | MCR_RTS | MCR_OUT1 | MCR_OUT2 | MCR_LOOP)
#define LSR_DR 0x01
#define LSR_TBE 0x20
#define MSR_CTS 0x10 /* (complemented) state of clear to send (CTS). */
#define MSR_DSR 0x20 /* (complemented) state of data set ready (DSR). */
#define MSR_RI 0x40 /* (complemented) state of ring indicator (RI). */
#define MSR_DCD 0x80 /* (complemented) state of data carrier detect (DCD). */