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dptx: Define the I2C segment pointer address (0x30).

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Signed-off-by: Andrei-Liviu Simion <andrei.simion@xilinx.com>
This commit is contained in:
Andrei-Liviu Simion 2014-11-01 11:40:46 -07:00 • committed by Suneel Garapati
parent ce0e1fd561
commit cbec2debdb
3 changed files with 14 additions and 11 deletions
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11
XilinxProcessorIPLib/drivers/dptx/src/xdptx.c
View file

@ -375,8 +375,8 @@ u32 XDptx_GetEdid(XDptx *InstancePtr, u8 *Edid)
Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Xil_AssertNonvoid(Edid != NULL);
Status = XDptx_IicRead(InstancePtr, XDPTX_EDID_ADDR, 0, XDPTX_EDID_SIZE,
Edid);
Status = XDptx_IicRead(InstancePtr, XDPTX_EDID_ADDR, 0,
XDPTX_EDID_BLOCK_SIZE, Edid);
return Status;
}
@ -845,7 +845,7 @@ u32 XDptx_IicRead(XDptx *InstancePtr, u8 IicAddress, u16 Offset,
NumBytesLeftInSeg = 256 - Offset;
/* Set the segment pointer to 0. */
Status = XDptx_IicWrite(InstancePtr, 0x30, 1, &SegPtr);
Status = XDptx_IicWrite(InstancePtr, XDPTX_SEGPTR_ADDR, 1, &SegPtr);
if (Status != XST_SUCCESS) {
/* The I2C write to set the segment pointer failed. */
return Status;
@ -897,7 +897,8 @@ u32 XDptx_IicRead(XDptx *InstancePtr, u8 IicAddress, u16 Offset,
Offset %= 256;
NumBytesLeftInSeg = 256;
Status = XDptx_IicWrite(InstancePtr, 0x30, 1, &SegPtr);
Status = XDptx_IicWrite(InstancePtr, XDPTX_SEGPTR_ADDR,
1, &SegPtr);
if (Status != XST_SUCCESS) {
return Status;
}
@ -906,7 +907,7 @@ u32 XDptx_IicRead(XDptx *InstancePtr, u8 IicAddress, u16 Offset,
/* Reset the segment pointer to 0. */
SegPtr = 0;
Status = XDptx_IicWrite(InstancePtr, 0x30, 1, &SegPtr);
Status = XDptx_IicWrite(InstancePtr, XDPTX_SEGPTR_ADDR, 1, &SegPtr);
return Status;
}

3
XilinxProcessorIPLib/drivers/dptx/src/xdptx_hw.h
View file

@ -1102,8 +1102,9 @@
/** @name Extended Display Identification Data: Field addresses and sizes.
* @{
*/
#define XDPTX_SEGPTR_ADDR 0x30
#define XDPTX_EDID_ADDR 0x50
#define XDPTX_EDID_SIZE 128
#define XDPTX_EDID_BLOCK_SIZE 128
#define XDPTX_EDID_DTD_DD(Num) (0x36 + (18 * Num))
#define XDPTX_EDID_PTM XDPTX_EDID_DTD_DD(0)
/* @} */

11
XilinxProcessorIPLib/drivers/dptx/src/xdptx_mst.c
View file

@ -812,7 +812,7 @@ u32 XDptx_RemoteIicRead(XDptx *InstancePtr, u8 LinkCountTotal,
/* Set the segment pointer to 0. */
Status = XDptx_RemoteIicWrite(InstancePtr, LinkCountTotal,
RelativeAddress, 0x30, 1, &SegPtr);
RelativeAddress, XDPTX_SEGPTR_ADDR, 1, &SegPtr);
if (Status != XST_SUCCESS) {
/* The I2C write to set the segment pointer failed. */
return Status;
@ -860,8 +860,8 @@ u32 XDptx_RemoteIicRead(XDptx *InstancePtr, u8 LinkCountTotal,
NumBytesLeftInSeg = 256;
Status = XDptx_RemoteIicWrite(InstancePtr,
LinkCountTotal, RelativeAddress, 0x30, 1,
&SegPtr);
LinkCountTotal, RelativeAddress,
XDPTX_SEGPTR_ADDR, 1, &SegPtr);
if (Status != XST_SUCCESS) {
return Status;
}
@ -871,7 +871,7 @@ u32 XDptx_RemoteIicRead(XDptx *InstancePtr, u8 LinkCountTotal,
/* Reset the segment pointer to 0. */
SegPtr = 0;
Status = XDptx_RemoteIicWrite(InstancePtr, LinkCountTotal,
RelativeAddress, 0x30, 1, &SegPtr);
RelativeAddress, XDPTX_SEGPTR_ADDR, 1, &SegPtr);
return Status;
}
@ -1920,7 +1920,8 @@ u32 XDptx_GetRemoteEdid(XDptx *InstancePtr, u8 LinkCountTotal,
Xil_AssertNonvoid(Edid != NULL);
Status = XDptx_RemoteIicRead(InstancePtr, LinkCountTotal,
RelativeAddress, XDPTX_EDID_ADDR, 0, XDPTX_EDID_SIZE, Edid);
RelativeAddress, XDPTX_EDID_ADDR, 0, XDPTX_EDID_BLOCK_SIZE,
Edid);
return Status;
}