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/******************************************************************************
*
* Copyright (C) 2016-2017 Cadence Design Systems, Inc.
* All rights reserved worldwide.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Copyright 2017 NXP
*
******************************************************************************
*
* mailBox.h
*
******************************************************************************
*/
#ifndef MAIL_BOX_H
#define MAIL_BOX_H
#define MAIL_BOX_MAX_SIZE 600
#define MAIL_BOX_MAX_TX_SIZE 160
/**
* \file mailBox.h
* \brief Implementation mail box communication channel between IP and external host
*/
#define MB_MODULE_ID_DP_TX 0x01
#define MB_MODULE_ID_DP_RX 0x02
#define MB_MODULE_ID_HDMI_TX 0x03
#define MB_MODULE_ID_HDMI_RX 0x04
#define MB_MODULE_ID_MHL_TX 0x05
#define MB_MODULE_ID_MHL_RX 0x06
#define MB_MODULE_ID_HDCP_TX 0x07
#define MB_MODULE_ID_HDCP_RX 0x08
#define MB_MODULE_ID_HDCP_GENERAL 0x09
#define MB_MODULE_ID_GENERAL 0x0A
typedef enum {
MB_TYPE_REGULAR,
MB_TYPE_SECURE,
MB_TYPE_COUNT,
} MB_TYPE;
typedef enum {
MB_SUCCESS,
MB_BUSY,
MB_NO_MEMORY
} MB_RET;
typedef enum {
MB_TO_HOST,
MB_TO_CONTROLLER,
} MB_IDX;
typedef enum {
MB_STATE_EMPTY,
MB_STATE_WAIT_MODULE_ID,
MB_STATE_WAIT_SIZE_MSB,
MB_STATE_WAIT_SIZE_LSB,
MB_STATE_READ_DATA,
MB_STATE_MSG_READY,
} MB_RX_STATE;
#define MB_OPCODE_ID 0
#define MB_MODULE_ID 1
#define MB_SIZE_MSB_ID 2
#define MB_SIZE_LSB_ID 3
#define MB_DATA_ID 4
typedef struct {
MB_RX_STATE rxState;
u32 rx_data_idx;
u32 rx_final_msgSize;
u8 rxBuff[MAIL_BOX_MAX_SIZE];
u8 txBuff[MAIL_BOX_MAX_TX_SIZE];
u32 txTotal;
u32 txCur;
} S_MAIL_BOX_PORT_DATA;
typedef struct {
S_MAIL_BOX_PORT_DATA portData;
u8 portsTxBusy; //bit for each port (0-7)
} S_MAIL_BOX_DATA;
#endif //MAIL_BOX_H
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