API_HDMITX.h
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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
*
******************************************************************************
*
* API_HDMITX.h
*
******************************************************************************
*/
#ifndef _API_HDMITX_H_
#define _API_HDMITX_H_
#include "API_General.h"
#include "hdmi.h"
/**
* \addtogroup HDMI_TX_API
* \{
*/
# define HDMI_TX_EVENT_CODE_HPD_HIGH 0x01
# define HDMI_TX_EVENT_CODE_HPD_LOW 0x02
# define HDMI_TX_EVENT_CODE_HPD_STATE_LOW 0x00
# define HDMI_TX_EVENT_CODE_HPD_STATE_HIGH 0x08
typedef struct {
/** if used to return data, this pointer is set (instead of being a destination to copy data to */
u8 *buff;
HDMI_I2C_STATUS status;
u16 len;
u8 slave;
u8 offset;
} HDMITX_TRANS_DATA;
typedef enum {
HDMI_TX_MODE_DVI,
HDMI_TX_MODE_HDMI_1_4,
HDMI_TX_MODE_HDMI_2_0,
} HDMI_TX_MAIL_HANDLER_PROTOCOL_TYPE;
/**
* \brief I2C read transaction
* \param [in] data_in - fields used: len, slave, offset
* \param [out] data_out - fields used: all
* \returns status
*/
CDN_API_STATUS CDN_API_HDMITX_DDC_READ(state_struct *state,
HDMITX_TRANS_DATA *data_in,
HDMITX_TRANS_DATA *data_out);
CDN_API_STATUS CDN_API_HDMITX_DDC_READ_blocking(state_struct *state,
HDMITX_TRANS_DATA *data_in,
HDMITX_TRANS_DATA *data_out);
/**
* \brief I2C write transaction
* \param [in] data_in - fields used: len, slave, offset, buff
* \param [out] data_out - fields used: status, len, slave, offset
* \returns status
*/
CDN_API_STATUS CDN_API_HDMITX_DDC_WRITE(state_struct *state,
HDMITX_TRANS_DATA *data_in,
HDMITX_TRANS_DATA *data_out);
CDN_API_STATUS CDN_API_HDMITX_DDC_WRITE_blocking(state_struct *state,
HDMITX_TRANS_DATA *data_in,
HDMITX_TRANS_DATA *data_out);
/**
* \brief I2C update read
* \param [out] data_out - fields used: status, buff
* \returns status
*/
CDN_API_STATUS CDN_API_HDMITX_DDC_UPDATE_READ(state_struct *state,
HDMITX_TRANS_DATA *data_out);
CDN_API_STATUS CDN_API_HDMITX_DDC_UPDATE_READ_blocking(state_struct *state,
HDMITX_TRANS_DATA *
data_out);
/**
* \brief I2C read edid
* \param [in] block - EDID block
* \pram [in] segment - EDID segment
* \param [out] data_out - fields used: status, buff, slave (as block), offset (as segment), len
* \returns status
*/
CDN_API_STATUS CDN_API_HDMITX_READ_EDID(state_struct *state, u8 block,
u8 segment,
HDMITX_TRANS_DATA *data_out);
CDN_API_STATUS CDN_API_HDMITX_READ_EDID_blocking(state_struct *state, u8 block,
u8 segment,
HDMITX_TRANS_DATA *data_out);
/**
* \brief set hdmi protocol type (DVI,1.x,2.x) (send scrambler command over scdc and set bits in controller)
* \param [in] protocol - type
* \returns status
*/
CDN_API_STATUS
CDN_API_HDMITX_Set_Mode_blocking(state_struct *state,
HDMI_TX_MAIL_HANDLER_PROTOCOL_TYPE protocol,
u32 character_rate);
/**
* \brief init hdmi registers
* \returns status
*/
CDN_API_STATUS CDN_API_HDMITX_Init_blocking(state_struct *state);
/**
* \brief change to vid id vicMode
* \returns status
*/
CDN_API_STATUS CDN_API_HDMITX_SetVic_blocking(state_struct *state,
struct drm_display_mode *mode, int bpp,
VIC_PXL_ENCODING_FORMAT format);
/**
* \brief option to force color depth in the gcp or not force (HW mode)
* \returns status
*/
CDN_API_STATUS CDN_API_HDMITX_ForceColorDepth_blocking(state_struct *state,
u8 force, u8 val);
CDN_API_STATUS CDN_API_HDMITX_ReadEvents(state_struct *state, u32 *events);
CDN_API_STATUS CDN_API_HDMITX_ReadEvents_blocking(state_struct *state,
u32 *events);
CDN_API_STATUS CDN_API_HDMITX_GetHpdStatus(state_struct *state, u8 *hpd_sts);
CDN_API_STATUS CDN_API_HDMITX_GetHpdStatus_blocking(state_struct *state,
u8 *hpd_sts);
CDN_API_STATUS CDN_API_HDMITX_Disable_GCP(state_struct *state);
#endif