/*
 * Copyright@ Samsung Electronics Co. LTD
 *
 * 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 _LIBCEC_H_
#define _LIBCEC_H_

#ifdef __cplusplus
extern "C" {
#endif

/** Maximum CEC frame size */
#define CEC_MAX_FRAME_SIZE                16
/** Not valid CEC physical address */
#define CEC_NOT_VALID_PHYSICAL_ADDRESS    0xFFFF

/** CEC broadcast address (as destination address) */
#define CEC_MSG_BROADCAST        0x0F
/** CEC unregistered address (as initiator address) */
#define CEC_LADDR_UNREGISTERED   0x0F

/*
 * CEC Messages
 */

//@{
/** @name Messages for the One Touch Play Feature */
#define CEC_OPCODE_ACTIVE_SOURCE            0x82
#define CEC_OPCODE_IMAGE_VIEW_ON            0x04
#define CEC_OPCODE_TEXT_VIEW_ON             0x0D
//@}

//@{
/** @name Messages for the Routing Control Feature */
#define CEC_OPCODE_INACTIVE_SOURCE          0x9D
#define CEC_OPCODE_REQUEST_ACTIVE_SOURCE    0x85
#define CEC_OPCODE_ROUTING_CHANGE           0x80
#define CEC_OPCODE_ROUTING_INFORMATION      0x81
#define CEC_OPCODE_SET_STREAM_PATH          0x86
//@}

//@{
/** @name Messages for the Standby Feature */
#define CEC_OPCODE_STANDBY                  0x36
//@}

//@{
/** @name Messages for the One Touch Record Feature */
#define CEC_OPCODE_RECORD_OFF               0x0B
#define CEC_OPCODE_RECORD_ON                0x09
#define CEC_OPCODE_RECORD_STATUS            0x0A
#define CEC_OPCODE_RECORD_TV_SCREEN         0x0F
//@}

//@{
/** @name Messages for the Timer Programming Feature */
#define CEC_OPCODE_CLEAR_ANALOGUE_TIMER     0x33
#define CEC_OPCODE_CLEAR_DIGITAL_TIMER      0x99
#define CEC_OPCODE_CLEAR_EXTERNAL_TIMER     0xA1
#define CEC_OPCODE_SET_ANALOGUE_TIMER       0x34
#define CEC_OPCODE_SET_DIGITAL_TIMER        0x97
#define CEC_OPCODE_SET_EXTERNAL_TIMER       0xA2
#define CEC_OPCODE_SET_TIMER_PROGRAM_TITLE  0x67
#define CEC_OPCODE_TIMER_CLEARED_STATUS     0x43
#define CEC_OPCODE_TIMER_STATUS             0x35
//@}

//@{
/** @name Messages for the System Information Feature */
#define CEC_OPCODE_CEC_VERSION              0x9E
#define CEC_OPCODE_GET_CEC_VERSION          0x9F
#define CEC_OPCODE_GIVE_PHYSICAL_ADDRESS    0x83
#define CEC_OPCODE_GET_MENU_LANGUAGE        0x91
//#define CEC_OPCODE_POLLING_MESSAGE
#define CEC_OPCODE_REPORT_PHYSICAL_ADDRESS  0x84
#define CEC_OPCODE_SET_MENU_LANGUAGE        0x32
//@}

//@{
/** @name Messages for the Deck Control Feature */
#define CEC_OPCODE_DECK_CONTROL             0x42
#define CEC_OPCODE_DECK_STATUS              0x1B
#define CEC_OPCODE_GIVE_DECK_STATUS         0x1A
#define CEC_OPCODE_PLAY                     0x41
//@}

//@{
/** @name Messages for the Tuner Control Feature */
#define CEC_OPCODE_GIVE_TUNER_DEVICE_STATUS 0x08
#define CEC_OPCODE_SELECT_ANALOGUE_SERVICE  0x92
#define CEC_OPCODE_SELECT_DIGITAL_SERVICE   0x93
#define CEC_OPCODE_TUNER_DEVICE_STATUS      0x07
#define CEC_OPCODE_TUNER_STEP_DECREMENT     0x06
#define CEC_OPCODE_TUNER_STEP_INCREMENT     0x05
//@}

//@{
/** @name Messages for the Vendor Specific Commands Feature */
#define CEC_OPCODE_DEVICE_VENDOR_ID         0x87
#define CEC_OPCODE_GET_DEVICE_VENDOR_ID     0x8C
#define CEC_OPCODE_VENDOR_COMMAND           0x89
#define CEC_OPCODE_VENDOR_COMMAND_WITH_ID   0xA0
#define CEC_OPCODE_VENDOR_REMOTE_BUTTON_DOWN 0x8A
#define CEC_OPCODE_VENDOR_REMOVE_BUTTON_UP  0x8B
//@}

//@{
/** @name Messages for the OSD Display Feature */
#define CEC_OPCODE_SET_OSD_STRING           0x64
//@}

//@{
/** @name Messages for the Device OSD Transfer Feature */
#define CEC_OPCODE_GIVE_OSD_NAME            0x46
#define CEC_OPCODE_SET_OSD_NAME             0x47
//@}

//@{
/** @name Messages for the Device Menu Control Feature */
#define CEC_OPCODE_MENU_REQUEST             0x8D
#define CEC_OPCODE_MENU_STATUS              0x8E
#define CEC_OPCODE_USER_CONTROL_PRESSED     0x44
#define CEC_OPCODE_USER_CONTROL_RELEASED    0x45
//@}

//@{
/** @name Messages for the Remote Control Passthrough Feature */
//@}

//@{
/** @name Messages for the Power Status Feature */
#define CEC_OPCODE_GIVE_DEVICE_POWER_STATUS 0x8F
#define CEC_OPCODE_REPORT_POWER_STATUS      0x90
//@}

//@{
/** @name Messages for General Protocol messages */
#define CEC_OPCODE_FEATURE_ABORT            0x00
#define CEC_OPCODE_ABORT                    0xFF
//@}

//@{
/** @name Messages for the System Audio Control Feature */
#define CEC_OPCODE_GIVE_AUDIO_STATUS        0x71
#define CEC_OPCODE_GIVE_SYSTEM_AUDIO_MODE_STATUS 0x7D
#define CEC_OPCODE_REPORT_AUDIO_STATUS      0x7A
#define CEC_OPCODE_SET_SYSTEM_AUDIO_MODE    0x72
#define CEC_OPCODE_SYSTEM_AUDIO_MODE_REQUEST 0x70
#define CEC_OPCODE_SYSTEM_AUDIO_MODE_STATUS 0x7E
//@}

//@{
/** @name Messages for the Audio Rate Control Feature */
#define CEC_OPCODE_SET_AUDIO_RATE           0x9A
//@}

//@{
/** @name CEC Operands */

//TODO: not finished

#define CEC_DECK_CONTROL_MODE_STOP      0x03
#define CEC_PLAY_MODE_PLAY_FORWARD      0x24
//@}

/**
 * @enum CECDeviceType
 * Type of CEC device
 */
enum CECDeviceType {
    /** TV */
    CEC_DEVICE_TV,
    /** Recording Device */
    CEC_DEVICE_RECODER,
    /** Tuner */
    CEC_DEVICE_TUNER,
    /** Playback Device */
    CEC_DEVICE_PLAYER,
    /** Audio System */
    CEC_DEVICE_AUDIO,
};

int CECOpen();
int CECClose();
int CECAllocLogicalAddress(int paddr, enum CECDeviceType devtype);
int CECSendMessage(unsigned char *buffer, int size);
int CECReceiveMessage(unsigned char *buffer, int size, long timeout);

int CECIgnoreMessage(unsigned char opcode, unsigned char lsrc);
int CECCheckMessageSize(unsigned char opcode, int size);
int CECCheckMessageMode(unsigned char opcode, int broadcast);

#ifdef __cplusplus
}
#endif

#endif /* _LIBCEC_H_ */