diff --git a/XilinxProcessorIPLib/drivers/dptx/src/xdptx.h b/XilinxProcessorIPLib/drivers/dptx/src/xdptx.h index 9a25ee79..0379a2c7 100644 --- a/XilinxProcessorIPLib/drivers/dptx/src/xdptx.h +++ b/XilinxProcessorIPLib/drivers/dptx/src/xdptx.h @@ -878,4 +878,9 @@ void XDptx_GetGuid(XDptx *InstancePtr, u8 LinkCountTotal, u8 *RelativeAddress, u32 XDptx_GetRemoteEdid(XDptx *InstancePtr, u8 LinkCountTotal, u8 *RelativeAddress, u8 *Edid); +/* xdptx_edid.c: EDID utility functions. */ +u32 XDptx_GetEdidBlock(XDptx *InstancePtr, u8 *Data, u8 BlockNum); +u32 XDptx_GetRemoteEdidBlock(XDptx *InstancePtr, u8 *Data, u8 BlockNum, + u8 LinkCountTotal, u8 *RelativeAddress); + #endif /* XDPTX_H_ */ diff --git a/XilinxProcessorIPLib/drivers/dptx/src/xdptx_edid.c b/XilinxProcessorIPLib/drivers/dptx/src/xdptx_edid.c new file mode 100644 index 00000000..1882e8c4 --- /dev/null +++ b/XilinxProcessorIPLib/drivers/dptx/src/xdptx_edid.c @@ -0,0 +1,86 @@ +/******************************************************************************* + * + * Copyright (C) 2014 Xilinx, Inc. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * Use of the Software is limited solely to applications: + * (a) running on a Xilinx device, or + * (b) that interact with a Xilinx device through a bus or interconnect. + * + * 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 + * XILINX CONSORTIUM 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. + * + * Except as contained in this notice, the name of the Xilinx shall not be used + * in advertising or otherwise to promote the sale, use or other dealings in + * this Software without prior written authorization from Xilinx. + * +*******************************************************************************/ +/******************************************************************************/ +/** + * + * @file xdptx_edid.c + * + * This file contains functions related to accessing the Extended Display + * Identification Data (EDID) of a specified sink using the XDptx driver. + * + * @note None. + * + *
+ * MODIFICATION HISTORY: + * + * Ver Who Date Changes + * ----- ---- -------- ----------------------------------------------- + * 3.0 als 11/04/14 Initial release. + *+ * +*******************************************************************************/ + +/******************************* Include Files ********************************/ +#include "xstatus.h" +#include "xdptx.h" + +/**************************** Function Definitions ****************************/ + +u32 XDptx_GetEdidBlock(XDptx *InstancePtr, u8 *Data, u8 BlockNum) +{ + u32 Status; + u16 Offset; + + /* Calculate the I2C offset for the specified EDID block. */ + Offset = BlockNum * 128; + + /* Issue the I2C read for the specified EDID block. */ + Status = XDptx_IicRead(InstancePtr, XDPTX_EDID_ADDR, Offset, 128, Data); + + return Status; +} + +u32 XDptx_GetRemoteEdidBlock(XDptx *InstancePtr, u8 *Data, u8 BlockNum, + u8 LinkCountTotal, u8 *RelativeAddress) +{ + u32 Status; + u16 Offset; + + /* Calculate the I2C offset for the specified EDID block. */ + Offset = BlockNum * 128; + + /* Issue the I2C read for the specified EDID block. */ + Status = XDptx_RemoteIicRead(InstancePtr, LinkCountTotal, + RelativeAddress, XDPTX_EDID_ADDR, Offset, 128, Data); + + return Status; +}