/**
 * WinPR: Windows Portable Runtime
 * Serial Communication API
 *
 * Copyright 2011 O.S. Systems Software Ltda.
 * Copyright 2011 Eduardo Fiss Beloni <beloni@ossystems.com.br>
 * Copyright 2014 Hewlett-Packard Development Company, L.P.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef WINPR_COMM_IOCTL_H_
#define WINPR_COMM_IOCTL_H_

#include <termios.h>

#include <winpr/io.h>
#include <winpr/tchar.h>
#include <winpr/wtypes.h>

#include "comm.h"

/* Serial I/O Request Interface: http://msdn.microsoft.com/en-us/library/dn265347%28v=vs.85%29.aspx
 * Ntddser.h http://msdn.microsoft.com/en-us/cc308432.aspx
 * Ntddpar.h http://msdn.microsoft.com/en-us/cc308431.aspx
 */

#ifdef __cplusplus
extern "C"
{
#endif

	/* TODO: defines and types below are very similar to those in comm.h, keep only
	 * those that differ more than the names */

#define STOP_BIT_1 0
#define STOP_BITS_1_5 1
#define STOP_BITS_2 2

#define NO_PARITY 0
#define ODD_PARITY 1
#define EVEN_PARITY 2
#define MARK_PARITY 3
#define SPACE_PARITY 4

	typedef struct
	{
		ULONG BaudRate;
	} SERIAL_BAUD_RATE, *PSERIAL_BAUD_RATE;

	typedef struct
	{
		UCHAR EofChar;
		UCHAR ErrorChar;
		UCHAR BreakChar;
		UCHAR EventChar;
		UCHAR XonChar;
		UCHAR XoffChar;
	} SERIAL_CHARS, *PSERIAL_CHARS;

	typedef struct
	{
		UCHAR StopBits;
		UCHAR Parity;
		UCHAR WordLength;
	} SERIAL_LINE_CONTROL, *PSERIAL_LINE_CONTROL;

	typedef struct
	{
		ULONG ControlHandShake;
		ULONG FlowReplace;
		ULONG XonLimit;
		ULONG XoffLimit;
	} SERIAL_HANDFLOW, *PSERIAL_HANDFLOW;

#define SERIAL_DTR_MASK ((ULONG)0x03)
#define SERIAL_DTR_CONTROL ((ULONG)0x01)
#define SERIAL_DTR_HANDSHAKE ((ULONG)0x02)
#define SERIAL_CTS_HANDSHAKE ((ULONG)0x08)
#define SERIAL_DSR_HANDSHAKE ((ULONG)0x10)
#define SERIAL_DCD_HANDSHAKE ((ULONG)0x20)
#define SERIAL_OUT_HANDSHAKEMASK ((ULONG)0x38)
#define SERIAL_DSR_SENSITIVITY ((ULONG)0x40)
#define SERIAL_ERROR_ABORT ((ULONG)0x80000000)
#define SERIAL_CONTROL_INVALID ((ULONG)0x7fffff84)
#define SERIAL_AUTO_TRANSMIT ((ULONG)0x01)
#define SERIAL_AUTO_RECEIVE ((ULONG)0x02)
#define SERIAL_ERROR_CHAR ((ULONG)0x04)
#define SERIAL_NULL_STRIPPING ((ULONG)0x08)
#define SERIAL_BREAK_CHAR ((ULONG)0x10)
#define SERIAL_RTS_MASK ((ULONG)0xc0)
#define SERIAL_RTS_CONTROL ((ULONG)0x40)
#define SERIAL_RTS_HANDSHAKE ((ULONG)0x80)
#define SERIAL_TRANSMIT_TOGGLE ((ULONG)0xc0)
#define SERIAL_XOFF_CONTINUE ((ULONG)0x80000000)
#define SERIAL_FLOW_INVALID ((ULONG)0x7fffff20)

#define SERIAL_SP_SERIALCOMM ((ULONG)0x00000001)

#define SERIAL_SP_UNSPECIFIED ((ULONG)0x00000000)
#define SERIAL_SP_RS232 ((ULONG)0x00000001)
#define SERIAL_SP_PARALLEL ((ULONG)0x00000002)
#define SERIAL_SP_RS422 ((ULONG)0x00000003)
#define SERIAL_SP_RS423 ((ULONG)0x00000004)
#define SERIAL_SP_RS449 ((ULONG)0x00000005)
#define SERIAL_SP_MODEM ((ULONG)0x00000006)
#define SERIAL_SP_FAX ((ULONG)0x00000021)
#define SERIAL_SP_SCANNER ((ULONG)0x00000022)
#define SERIAL_SP_BRIDGE ((ULONG)0x00000100)
#define SERIAL_SP_LAT ((ULONG)0x00000101)
#define SERIAL_SP_TELNET ((ULONG)0x00000102)
#define SERIAL_SP_X25 ((ULONG)0x00000103)

	typedef struct
	{
		ULONG ReadIntervalTimeout;
		ULONG ReadTotalTimeoutMultiplier;
		ULONG ReadTotalTimeoutConstant;
		ULONG WriteTotalTimeoutMultiplier;
		ULONG WriteTotalTimeoutConstant;
	} SERIAL_TIMEOUTS, *PSERIAL_TIMEOUTS;

#define SERIAL_MSR_DCTS 0x01
#define SERIAL_MSR_DDSR 0x02
#define SERIAL_MSR_TERI 0x04
#define SERIAL_MSR_DDCD 0x08
#define SERIAL_MSR_CTS 0x10
#define SERIAL_MSR_DSR 0x20
#define SERIAL_MSR_RI 0x40
#define SERIAL_MSR_DCD 0x80

	typedef struct
	{
		ULONG InSize;
		ULONG OutSize;
	} SERIAL_QUEUE_SIZE, *PSERIAL_QUEUE_SIZE;

#define SERIAL_PURGE_TXABORT 0x00000001
#define SERIAL_PURGE_RXABORT 0x00000002
#define SERIAL_PURGE_TXCLEAR 0x00000004
#define SERIAL_PURGE_RXCLEAR 0x00000008

	typedef struct
	{
		ULONG Errors;
		ULONG HoldReasons;
		ULONG AmountInInQueue;
		ULONG AmountInOutQueue;
		BOOLEAN EofReceived;
		BOOLEAN WaitForImmediate;
	} SERIAL_STATUS, *PSERIAL_STATUS;

#define SERIAL_TX_WAITING_FOR_CTS ((ULONG)0x00000001)
#define SERIAL_TX_WAITING_FOR_DSR ((ULONG)0x00000002)
#define SERIAL_TX_WAITING_FOR_DCD ((ULONG)0x00000004)
#define SERIAL_TX_WAITING_FOR_XON ((ULONG)0x00000008)
#define SERIAL_TX_WAITING_XOFF_SENT ((ULONG)0x00000010)
#define SERIAL_TX_WAITING_ON_BREAK ((ULONG)0x00000020)
#define SERIAL_RX_WAITING_FOR_DSR ((ULONG)0x00000040)

#define SERIAL_ERROR_BREAK ((ULONG)0x00000001)
#define SERIAL_ERROR_FRAMING ((ULONG)0x00000002)
#define SERIAL_ERROR_OVERRUN ((ULONG)0x00000004)
#define SERIAL_ERROR_QUEUEOVERRUN ((ULONG)0x00000008)
#define SERIAL_ERROR_PARITY ((ULONG)0x00000010)

#define SERIAL_DTR_STATE ((ULONG)0x00000001)
#define SERIAL_RTS_STATE ((ULONG)0x00000002)
#define SERIAL_CTS_STATE ((ULONG)0x00000010)
#define SERIAL_DSR_STATE ((ULONG)0x00000020)
#define SERIAL_RI_STATE ((ULONG)0x00000040)
#define SERIAL_DCD_STATE ((ULONG)0x00000080)

	/**
	 * A function might be nullptr if not supported by the underlying driver.
	 *
	 * FIXME: better have to use input and output buffers for all functions?
	 */
	typedef struct
	{
		SERIAL_DRIVER_ID id;
		TCHAR* name;
		BOOL (*set_baud_rate)(WINPR_COMM* pComm, const SERIAL_BAUD_RATE* pBaudRate);
		BOOL (*get_baud_rate)(WINPR_COMM* pComm, SERIAL_BAUD_RATE* pBaudRate);
		BOOL (*get_properties)(WINPR_COMM* pComm, COMMPROP* pProperties);
		BOOL (*set_serial_chars)(WINPR_COMM* pComm, const SERIAL_CHARS* pSerialChars);
		BOOL (*get_serial_chars)(WINPR_COMM* pComm, SERIAL_CHARS* pSerialChars);
		BOOL (*set_line_control)(WINPR_COMM* pComm, const SERIAL_LINE_CONTROL* pLineControl);
		BOOL (*get_line_control)(WINPR_COMM* pComm, SERIAL_LINE_CONTROL* pLineControl);
		BOOL (*set_handflow)(WINPR_COMM* pComm, const SERIAL_HANDFLOW* pHandflow);
		BOOL (*get_handflow)(WINPR_COMM* pComm, SERIAL_HANDFLOW* pHandflow);
		BOOL (*set_timeouts)(WINPR_COMM* pComm, const SERIAL_TIMEOUTS* pTimeouts);
		BOOL (*get_timeouts)(WINPR_COMM* pComm, SERIAL_TIMEOUTS* pTimeouts);
		BOOL (*set_dtr)(WINPR_COMM* pComm);
		BOOL (*clear_dtr)(WINPR_COMM* pComm);
		BOOL (*set_rts)(WINPR_COMM* pComm);
		BOOL (*clear_rts)(WINPR_COMM* pComm);
		BOOL (*get_modemstatus)(WINPR_COMM* pComm, ULONG* pRegister);
		BOOL (*set_wait_mask)(WINPR_COMM* pComm, const ULONG* pWaitMask);
		BOOL (*get_wait_mask)(WINPR_COMM* pComm, ULONG* pWaitMask);
		BOOL (*wait_on_mask)(WINPR_COMM* pComm, ULONG* pOutputMask);
		BOOL (*set_queue_size)(WINPR_COMM* pComm, const SERIAL_QUEUE_SIZE* pQueueSize);
		BOOL (*purge)(WINPR_COMM* pComm, const ULONG* pPurgeMask);
		BOOL (*get_commstatus)(WINPR_COMM* pComm, SERIAL_STATUS* pCommstatus);
		BOOL (*set_break_on)(WINPR_COMM* pComm);
		BOOL (*set_break_off)(WINPR_COMM* pComm);
		BOOL (*set_xoff)(WINPR_COMM* pComm);
		BOOL (*set_xon)(WINPR_COMM* pComm);
		BOOL (*get_dtrrts)(WINPR_COMM* pComm, ULONG* pMask);
		BOOL (*config_size)(WINPR_COMM* pComm, ULONG* pSize);
		BOOL (*immediate_char)(WINPR_COMM* pComm, const UCHAR* pChar);
		BOOL (*reset_device)(WINPR_COMM* pComm);

	} SERIAL_DRIVER;

	int comm_ioctl_tcsetattr(int fd, int optional_actions, const struct termios* termios_p);

#ifdef __cplusplus
}
#endif

#endif /* WINPR_COMM_IOCTL_H_ */
