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/** @file
This file does TypeC initialization.
Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "TypeC.h"
static MUX_PROGRAMMING_TABLE mAuroraMuxTable[] = {
// Address Register Data String
//====================================================================================
{A_GENERAL, R_FIRMWARE_VERSION, MUX_TABLE_NULL, "Firmware Version Number"},
{A_STATUS, R_CC_STATUS_1, MUX_TABLE_NULL, "CC_Status_1"},
{A_STATUS, R_CC_STATUS_2, MUX_TABLE_NULL, "CC_Status_2"},
{A_STATUS, R_CC_STATUS_3, MUX_TABLE_NULL, "CC_Status_3"},
{A_STATUS, R_MUX_HPD_ASSERT, MUX_TABLE_NULL, "MUX_In_HPD_Assertion"},
{A_STATUS, R_MUX_STATUS, MUX_TABLE_NULL, "MUX Status"},
{A_STATUS, R_MUX_DP_TRAINING, MUX_TABLE_NULL, "MUX_DP_Training_Disable"},
{A_STATUS, R_MUX_DP_AUX_INTERCEPT, MUX_TABLE_NULL, "MUX_DP_AUX_Interception_Disable"},
{A_STATUS, R_MUX_DP_EQ_CONFIG, MUX_TABLE_NULL, "MUX_DP_EQ_Configuration"},
{A_STATUS, R_MUX_DP_OUTPUT_CONFIG, MUX_TABLE_NULL, "MUX_DP_Output_Configuration"}
};
VOID
PrintChar (
IN UINTN DebugMask,
IN UINTN Count,
IN CHAR16 *Char
)
{
UINTN Index;
for (Index = 0; Index < Count; Index++) {
DEBUG ((DebugMask, "%s", Char));
}
}
#define DIVIDING_LINE "+----------------------------------------------------+------------------+\n"
VOID
DumpParagraph (
IN UINTN DebugMask,
IN VOID *Ptr,
IN UINTN Count
)
{
CHAR8 AsciiBuffer[17];
UINT8 *Data;
UINTN Index;
UINTN Paragraphs;
UINTN PlaceHolder;
UINTN PlaceHolders;
//
// Use a different pointer so that the one passed in doesn't change
//
Data = (UINT8 *) Ptr;
//
// Calcualte the number of paragraphs
//
Paragraphs = Count / 16;
if ((Paragraphs * 16) < Count) {
Paragraphs++;
}
//
// Calculate the number of columns
//
PlaceHolder = Paragraphs;
PlaceHolders = 0;
while (PlaceHolder > 0) {
PlaceHolders++;
PlaceHolder >>= 4;
}
//
// Dump the buffer
//
if (Count > 0 ) {
//
// Print header
//
PrintChar (DebugMask, PlaceHolders + 5, L" ");
DEBUG ((DebugMask, DIVIDING_LINE));
PrintChar (DebugMask, PlaceHolders + 5, L" ");
DEBUG ((DebugMask, "| x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB xC xD xE xF | String |\n"));
DEBUG ((DebugMask, " +"));
PrintChar (DebugMask, PlaceHolders + 3, L"-");
DEBUG ((DebugMask, DIVIDING_LINE));
//
// Print data
//
for (Index = 0; Index < (Paragraphs * 16); Index++) {
//
// Print divider
//
if (Index % 0x10 == 0x00) {
if ((Index > 0) && ((Index / 0x10) % 0x04 == 0x00) && (Paragraphs > 6)) {
DEBUG ((DebugMask, " +"));
PrintChar (DebugMask, PlaceHolders + 3, L"-");
DEBUG ((DebugMask, DIVIDING_LINE));
}
DEBUG ((DebugMask, " | %0*xx | ", PlaceHolders, (Index / 0x10)));
}
//
// Print the data or a filler
//
if (Index < Count) {
DEBUG ((DebugMask, "%02x ", Data[Index]));
if ((Data[Index] < 32) || (Data[Index] > 126)) {
//
// Not printable
//
AsciiBuffer[(Index % 0x10)] = '.';
} else {
//
// Printable
//
AsciiBuffer[(Index % 0x10)] = Data[Index];
}
} else {
DEBUG ((DebugMask, " "));
AsciiBuffer[(Index % 0x10)] = ' ';
}
//
// Print break or line end if needed
//
if (Index % 0x10 == 0x0F) {
AsciiBuffer[16] = 0x00;
DEBUG ((DebugMask, "| %a |\n", AsciiBuffer));
} else if (Index % 0x04 == 0x03) {
DEBUG ((DebugMask, " "));
}
}
//
// Print footer
//
DEBUG ((DebugMask, " +"));
PrintChar (DebugMask, PlaceHolders + 3, L"-");
DEBUG ((DebugMask, DIVIDING_LINE));
}
}
EFI_STATUS
EFIAPI
ReadMux (
IN UINT8 SlaveAddress,
IN UINT8 Offset,
OUT UINT8 *Data
)
{
UINT8 RetryCount;
EFI_STATUS Status;
RetryCount = MUX_RETRY_COUNT;
do {
*Data = 0x00;
Status = ByteReadI2C (PARADE_MUX_I2C_BUS, SlaveAddress, Offset, 1, Data);
} while ((RetryCount-- > 0) && (EFI_ERROR (Status)));
return Status;
}
EFI_STATUS
EFIAPI
WriteMux (
IN UINT8 SlaveAddress,
IN UINT8 Offset,
OUT UINT8 *Data
)
{
UINT8 RetryCount;
EFI_STATUS Status;
RetryCount = MUX_RETRY_COUNT;
do {
Status = ByteWriteI2C (PARADE_MUX_I2C_BUS, SlaveAddress, Offset, 1, Data);
} while ((RetryCount-- > 0) && (EFI_ERROR (Status)));
return Status;
}
VOID
DumpMux (
VOID
)
{
UINT8 Data[256];
UINT16 Offset;
BXT_CONF_PAD0 padConfg0;
BXT_CONF_PAD1 padConfg1;
UINT8 SlaveAddress;
EFI_STATUS Status;
//
// Loop thru device and dump it all
//
DEBUG ((DEBUG_INFO, "\n%a(#%d) - Dump the PS8750 I2C data\n", __FUNCTION__, __LINE__));
for (SlaveAddress = 0x08; SlaveAddress <= 0x0E; SlaveAddress++) {
for (Offset = 0x00; Offset <= 0xFF; Offset++) {
Status = ReadMux (SlaveAddress, (UINT8) Offset, &Data[Offset]);
if (EFI_ERROR (Status)) Data[Offset] = 0xFF;
}
DEBUG ((DEBUG_INFO, "\nSlaveAddress = 0x%02x\n", (SlaveAddress << 1)));
DumpParagraph (DEBUG_INFO, Data, 256);
}
DEBUG ((DEBUG_INFO, "\n"));
padConfg0.padCnf0 = GpioPadRead (NW_GPIO_199 + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg1.padCnf1 = GpioPadRead (NW_GPIO_199 + BXT_GPIO_PAD_CONF1_OFFSET);
DEBUG ((DEBUG_INFO, "%a(#%d) - GPIO_199 (DDI1 HPD) Rx = %d RxInv = %d\n\n", __FUNCTION__, __LINE__, padConfg0.r.GPIORxState, padConfg0.r.RXINV));
}
EFI_STATUS
EFIAPI
SetupTypecMuxAux (
VOID
)
{
UINT8 Data8;
UINTN index;
MUX_DATA_TABLE MuxData;
BXT_CONF_PAD0 padConfg0;
BXT_CONF_PAD1 padConfg1;
UINT8 *Ptr;
EFI_STATUS Status;
//
// Read/write MUX info
//
Ptr = (UINT8 *) &MuxData;
for (index = 0; index < (sizeof (mAuroraMuxTable) / sizeof (mAuroraMuxTable[0])); index++) {
Status = ReadMux (mAuroraMuxTable[index].Address, mAuroraMuxTable[index].Register, &Data8);
DEBUG ((DEBUG_INFO, "%a(#%d) - %.*a [0x%02x:0x%02x] = 0x%02x (%r)\n", __FUNCTION__, __LINE__, MUX_TABLE_STRING_LENGTH, mAuroraMuxTable[index].String, (mAuroraMuxTable[index].Address << 1), mAuroraMuxTable[index].Register, Data8, Status));
Ptr[index] = Data8;
if ((mAuroraMuxTable[index].Data != MUX_TABLE_NULL) && (!EFI_ERROR (Status))) {
Data8 = (UINT8) (mAuroraMuxTable[index].Data & 0x00FF);
Status = WriteMux (mAuroraMuxTable[index].Address, mAuroraMuxTable[index].Register, &Data8);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "%a(#%d) - ERROR: ByteWriteI2C returned %r for %a = 0x%02x\n", __FUNCTION__, __LINE__, Status, mAuroraMuxTable[index].String, Data8));
} else {
Status = ReadMux (mAuroraMuxTable[index].Address, mAuroraMuxTable[index].Register, &Data8);
DEBUG ((DEBUG_INFO, "%a(#%d) - %.*a [0x%02x:0x%02x] = 0x%02x (%r)\n", __FUNCTION__, __LINE__, MUX_TABLE_STRING_LENGTH, mAuroraMuxTable[index].String, (mAuroraMuxTable[index].Address << 1), mAuroraMuxTable[index].Register, Data8, Status));
Ptr[index] = Data8;
}
}
}
//
// Display HPD
//
padConfg0.padCnf0 = GpioPadRead (NW_GPIO_199 + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg1.padCnf1 = GpioPadRead (NW_GPIO_199 + BXT_GPIO_PAD_CONF1_OFFSET);
DEBUG ((DEBUG_INFO, "%a(#%d) - GPIO_199 (DDI1 HPD) Rx = %d RxInv = %d\n", __FUNCTION__, __LINE__, padConfg0.r.GPIORxState, padConfg0.r.RXINV));
//
// See if we need to assert the HPD on the MUX
//
if ((MuxData.MuxStatus & BIT7) == BIT7) {
//
// We are in DP mode
//
if ((MuxData.HpdAssert & BIT7) != BIT7) {
//
// We need to assert the MUX HPD
//
Data8 = MuxData.HpdAssert | BIT7;
Status = WriteMux (A_STATUS, R_MUX_HPD_ASSERT, &Data8);
//
// Display HPD
//
padConfg0.padCnf0 = GpioPadRead (NW_GPIO_199 + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg1.padCnf1 = GpioPadRead (NW_GPIO_199 + BXT_GPIO_PAD_CONF1_OFFSET);
DEBUG ((DEBUG_INFO, "%a(#%d) - GPIO_199 (DDI1 HPD) Rx = %d RxInv = %d\n", __FUNCTION__, __LINE__, padConfg0.r.GPIORxState, padConfg0.r.RXINV));
}
}
return EFI_SUCCESS;
}
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