diff options
Diffstat (limited to 'drivers/mxc/hdp/mailBox.h')
| -rw-r--r-- | drivers/mxc/hdp/mailBox.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/drivers/mxc/hdp/mailBox.h b/drivers/mxc/hdp/mailBox.h new file mode 100644 index 000000000000..b8e069378de0 --- /dev/null +++ b/drivers/mxc/hdp/mailBox.h @@ -0,0 +1,116 @@ +/****************************************************************************** + * + * 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 |