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MdeModulePkg: Apply uncrustify changes

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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737

Apply uncrustify changes to .c/.h files in the MdeModulePkg package

Cc: Andrew Fish <afish@apple.com>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
This commit is contained in:
Michael Kubacki
2021-12-05 14:54:02 -08:00
committed by mergify[bot]
parent 7c7184e201
commit 1436aea4d5
994 changed files with 107608 additions and 101311 deletions
Download Patch File Download Diff File Expand all files Collapse all files

435
MdeModulePkg/Bus/I2c/I2cDxe/I2cBus.c
View File

@@ -12,7 +12,7 @@
//
// EFI_DRIVER_BINDING_PROTOCOL instance
//
EFI_DRIVER_BINDING_PROTOCOL gI2cBusDriverBinding = {
EFI_DRIVER_BINDING_PROTOCOL gI2cBusDriverBinding = {
I2cBusDriverSupported,
I2cBusDriverStart,
I2cBusDriverStop,
@@ -24,7 +24,7 @@ EFI_DRIVER_BINDING_PROTOCOL gI2cBusDriverBinding = {
//
// Template for I2C Bus Child Device.
//
I2C_DEVICE_CONTEXT gI2cDeviceContextTemplate = {
I2C_DEVICE_CONTEXT gI2cDeviceContextTemplate = {
I2C_DEVICE_SIGNATURE,
NULL,
{ // I2cIo Protocol
@@ -42,13 +42,13 @@ I2C_DEVICE_CONTEXT gI2cDeviceContextTemplate = {
//
// Template for controller device path node.
//
CONTROLLER_DEVICE_PATH gControllerDevicePathTemplate = {
CONTROLLER_DEVICE_PATH gControllerDevicePathTemplate = {
{
HARDWARE_DEVICE_PATH,
HW_CONTROLLER_DP,
{
(UINT8) (sizeof (CONTROLLER_DEVICE_PATH)),
(UINT8) ((sizeof (CONTROLLER_DEVICE_PATH)) >> 8)
(UINT8)(sizeof (CONTROLLER_DEVICE_PATH)),
(UINT8)((sizeof (CONTROLLER_DEVICE_PATH)) >> 8)
}
},
0
@@ -57,39 +57,40 @@ CONTROLLER_DEVICE_PATH gControllerDevicePathTemplate = {
//
// Template for vendor device path node.
//
VENDOR_DEVICE_PATH gVendorDevicePathTemplate = {
VENDOR_DEVICE_PATH gVendorDevicePathTemplate = {
{
HARDWARE_DEVICE_PATH,
HW_VENDOR_DP,
{
(UINT8) (sizeof (VENDOR_DEVICE_PATH)),
(UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)
(UINT8)(sizeof (VENDOR_DEVICE_PATH)),
(UINT8)((sizeof (VENDOR_DEVICE_PATH)) >> 8)
}
},
{ 0x0, 0x0, 0x0, { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 }}
{ 0x0, 0x0, 0x0, { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 }
}
};
//
// Driver name table
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mI2cBusDriverNameTable[] = {
{ "eng;en", (CHAR16 *) L"I2C Bus Driver" },
{ NULL , NULL }
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mI2cBusDriverNameTable[] = {
{ "eng;en", (CHAR16 *)L"I2C Bus Driver" },
{ NULL, NULL }
};
//
// EFI Component Name Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gI2cBusComponentName = {
(EFI_COMPONENT_NAME_GET_DRIVER_NAME) I2cBusComponentNameGetDriverName,
(EFI_COMPONENT_NAME_GET_CONTROLLER_NAME) I2cBusComponentNameGetControllerName,
(EFI_COMPONENT_NAME_GET_DRIVER_NAME)I2cBusComponentNameGetDriverName,
(EFI_COMPONENT_NAME_GET_CONTROLLER_NAME)I2cBusComponentNameGetControllerName,
"eng"
};
//
// EFI Component Name 2 Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gI2cBusComponentName2 = {
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gI2cBusComponentName2 = {
I2cBusComponentNameGetDriverName,
I2cBusComponentNameGetControllerName,
"en"
@@ -138,8 +139,8 @@ EFI_STATUS
EFIAPI
I2cBusComponentNameGetDriverName (
IN EFI_COMPONENT_NAME2_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
IN CHAR8 *Language,
OUT CHAR16 **DriverName
)
{
return LookupUnicodeString2 (
@@ -222,11 +223,11 @@ I2cBusComponentNameGetDriverName (
EFI_STATUS
EFIAPI
I2cBusComponentNameGetControllerName (
IN EFI_COMPONENT_NAME2_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
IN EFI_COMPONENT_NAME2_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
{
return EFI_UNSUPPORTED;
@@ -254,16 +255,16 @@ CheckRemainingDevicePath (
IN UINT32 RemainingControllerNumber
)
{
EFI_STATUS Status;
EFI_DEVICE_PATH_PROTOCOL *SystemDevicePath;
EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfoBuffer;
UINTN EntryCount;
UINTN Index;
BOOLEAN SystemHasControllerNode;
UINT32 SystemControllerNumber;
EFI_STATUS Status;
EFI_DEVICE_PATH_PROTOCOL *SystemDevicePath;
EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfoBuffer;
UINTN EntryCount;
UINTN Index;
BOOLEAN SystemHasControllerNode;
UINT32 SystemControllerNumber;
SystemHasControllerNode = FALSE;
SystemControllerNumber = 0;
SystemControllerNumber = 0;
Status = gBS->OpenProtocolInformation (
Controller,
@@ -280,7 +281,7 @@ CheckRemainingDevicePath (
Status = gBS->OpenProtocol (
OpenInfoBuffer[Index].ControllerHandle,
&gEfiDevicePathProtocolGuid,
(VOID **) &SystemDevicePath,
(VOID **)&SystemDevicePath,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
@@ -291,7 +292,8 @@ CheckRemainingDevicePath (
//
while (!IsDevicePathEnd (SystemDevicePath)) {
if ((DevicePathType (SystemDevicePath) == HARDWARE_DEVICE_PATH) &&
(DevicePathSubType (SystemDevicePath) == HW_VENDOR_DP)) {
(DevicePathSubType (SystemDevicePath) == HW_VENDOR_DP))
{
//
// Check if vendor device path is same between system device path and remaining device path
//
@@ -301,31 +303,37 @@ CheckRemainingDevicePath (
//
SystemDevicePath = NextDevicePathNode (SystemDevicePath);
if ((DevicePathType (SystemDevicePath) == HARDWARE_DEVICE_PATH) &&
(DevicePathSubType (SystemDevicePath) == HW_CONTROLLER_DP)) {
(DevicePathSubType (SystemDevicePath) == HW_CONTROLLER_DP))
{
SystemHasControllerNode = TRUE;
SystemControllerNumber = ((CONTROLLER_DEVICE_PATH *) SystemDevicePath)->ControllerNumber;
SystemControllerNumber = ((CONTROLLER_DEVICE_PATH *)SystemDevicePath)->ControllerNumber;
} else {
SystemHasControllerNode = FALSE;
SystemControllerNumber = 0;
SystemControllerNumber = 0;
}
if (((SystemHasControllerNode) && (!RemainingHasControllerNode) && (SystemControllerNumber == 0)) ||
((!SystemHasControllerNode) && (RemainingHasControllerNode) && (RemainingControllerNumber == 0)) ||
((SystemHasControllerNode) && (RemainingHasControllerNode) && (SystemControllerNumber == RemainingControllerNumber)) ||
((!SystemHasControllerNode) && (!RemainingHasControllerNode))) {
DEBUG ((DEBUG_ERROR, "This I2C device has been already started.\n"));
Status = EFI_UNSUPPORTED;
break;
((!SystemHasControllerNode) && (!RemainingHasControllerNode)))
{
DEBUG ((DEBUG_ERROR, "This I2C device has been already started.\n"));
Status = EFI_UNSUPPORTED;
break;
}
}
}
SystemDevicePath = NextDevicePathNode (SystemDevicePath);
}
if (EFI_ERROR (Status)) {
break;
}
}
}
}
FreePool (OpenInfoBuffer);
return Status;
}
@@ -380,16 +388,16 @@ I2cBusDriverSupported (
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
EFI_STATUS Status;
EFI_I2C_ENUMERATE_PROTOCOL *I2cEnumerate;
EFI_I2C_HOST_PROTOCOL *I2cHost;
EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
EFI_DEVICE_PATH_PROTOCOL *DevPathNode;
BOOLEAN RemainingHasControllerNode;
UINT32 RemainingControllerNumber;
EFI_STATUS Status;
EFI_I2C_ENUMERATE_PROTOCOL *I2cEnumerate;
EFI_I2C_HOST_PROTOCOL *I2cHost;
EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
EFI_DEVICE_PATH_PROTOCOL *DevPathNode;
BOOLEAN RemainingHasControllerNode;
UINT32 RemainingControllerNumber;
RemainingHasControllerNode = FALSE;
RemainingControllerNumber = 0;
RemainingControllerNumber = 0;
//
// Determine if the I2c Enumerate Protocol is available
@@ -397,7 +405,7 @@ I2cBusDriverSupported (
Status = gBS->OpenProtocol (
Controller,
&gEfiI2cEnumerateProtocolGuid,
(VOID **) &I2cEnumerate,
(VOID **)&I2cEnumerate,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
@@ -408,17 +416,17 @@ I2cBusDriverSupported (
if (!EFI_ERROR (Status)) {
gBS->CloseProtocol (
Controller,
&gEfiI2cEnumerateProtocolGuid,
This->DriverBindingHandle,
Controller
);
Controller,
&gEfiI2cEnumerateProtocolGuid,
This->DriverBindingHandle,
Controller
);
}
Status = gBS->OpenProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
(VOID **) &ParentDevicePath,
(VOID **)&ParentDevicePath,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
@@ -430,11 +438,11 @@ I2cBusDriverSupported (
if (!EFI_ERROR (Status)) {
gBS->CloseProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
This->DriverBindingHandle,
Controller
);
Controller,
&gEfiDevicePathProtocolGuid,
This->DriverBindingHandle,
Controller
);
}
if ((RemainingDevicePath != NULL) && !IsDevicePathEnd (RemainingDevicePath)) {
@@ -442,20 +450,23 @@ I2cBusDriverSupported (
// Check if the first node of RemainingDevicePath is a hardware vendor device path
//
if ((DevicePathType (RemainingDevicePath) != HARDWARE_DEVICE_PATH) ||
(DevicePathSubType (RemainingDevicePath) != HW_VENDOR_DP)) {
(DevicePathSubType (RemainingDevicePath) != HW_VENDOR_DP))
{
return EFI_UNSUPPORTED;
}
//
// Check if the second node of RemainingDevicePath is a controller node
//
DevPathNode = NextDevicePathNode (RemainingDevicePath);
if (!IsDevicePathEnd (DevPathNode)) {
if ((DevicePathType (DevPathNode) != HARDWARE_DEVICE_PATH) ||
(DevicePathSubType (DevPathNode) != HW_CONTROLLER_DP)) {
(DevicePathSubType (DevPathNode) != HW_CONTROLLER_DP))
{
return EFI_UNSUPPORTED;
} else {
RemainingHasControllerNode = TRUE;
RemainingControllerNumber = ((CONTROLLER_DEVICE_PATH *) DevPathNode)->ControllerNumber;
RemainingControllerNumber = ((CONTROLLER_DEVICE_PATH *)DevPathNode)->ControllerNumber;
}
}
}
@@ -466,7 +477,7 @@ I2cBusDriverSupported (
Status = gBS->OpenProtocol (
Controller,
&gEfiI2cHostProtocolGuid,
(VOID **) &I2cHost,
(VOID **)&I2cHost,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
@@ -474,17 +485,17 @@ I2cBusDriverSupported (
if (!EFI_ERROR (Status)) {
gBS->CloseProtocol (
Controller,
&gEfiI2cHostProtocolGuid,
This->DriverBindingHandle,
Controller
);
Controller,
&gEfiI2cHostProtocolGuid,
This->DriverBindingHandle,
Controller
);
}
if (Status == EFI_ALREADY_STARTED) {
if ((RemainingDevicePath == NULL) ||
((RemainingDevicePath != NULL) && IsDevicePathEnd (RemainingDevicePath))) {
((RemainingDevicePath != NULL) && IsDevicePathEnd (RemainingDevicePath)))
{
//
// If RemainingDevicePath is NULL or is the End of Device Path Node, return EFI_SUCCESS.
//
@@ -549,16 +560,16 @@ I2cBusDriverStart (
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
EFI_I2C_ENUMERATE_PROTOCOL *I2cEnumerate;
EFI_I2C_HOST_PROTOCOL *I2cHost;
I2C_BUS_CONTEXT *I2cBusContext;
EFI_STATUS Status;
EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
EFI_I2C_ENUMERATE_PROTOCOL *I2cEnumerate;
EFI_I2C_HOST_PROTOCOL *I2cHost;
I2C_BUS_CONTEXT *I2cBusContext;
EFI_STATUS Status;
EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
I2cBusContext = NULL;
ParentDevicePath = NULL;
I2cEnumerate = NULL;
I2cHost = NULL;
I2cBusContext = NULL;
ParentDevicePath = NULL;
I2cEnumerate = NULL;
I2cHost = NULL;
//
// Determine if the I2C controller is available
@@ -566,7 +577,7 @@ I2cBusDriverStart (
Status = gBS->OpenProtocol (
Controller,
&gEfiI2cHostProtocolGuid,
(VOID**)&I2cHost,
(VOID **)&I2cHost,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
@@ -580,7 +591,7 @@ I2cBusDriverStart (
Status = gBS->OpenProtocol (
Controller,
&gEfiCallerIdGuid,
(VOID **) &I2cBusContext,
(VOID **)&I2cBusContext,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
@@ -597,7 +608,7 @@ I2cBusDriverStart (
Status = gBS->OpenProtocol (
Controller,
&gEfiI2cEnumerateProtocolGuid,
(VOID**)&I2cEnumerate,
(VOID **)&I2cEnumerate,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
@@ -608,13 +619,13 @@ I2cBusDriverStart (
}
Status = gBS->OpenProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
(VOID **) &ParentDevicePath,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
Controller,
&gEfiDevicePathProtocolGuid,
(VOID **)&ParentDevicePath,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status) && (Status != EFI_ALREADY_STARTED)) {
DEBUG ((DEBUG_ERROR, "I2cBus: open device path error, Status = %r\n", Status));
goto Error;
@@ -661,7 +672,7 @@ I2cBusDriverStart (
//
// Parent controller used to create children
//
I2cBusContext->Controller = Controller;
I2cBusContext->Controller = Controller;
//
// Parent controller device path used to create children device path
//
@@ -693,29 +704,29 @@ Error:
DEBUG ((DEBUG_ERROR, "I2cBus: Start() function failed, Status = %r\n", Status));
if (ParentDevicePath != NULL) {
gBS->CloseProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
This->DriverBindingHandle,
Controller
);
Controller,
&gEfiDevicePathProtocolGuid,
This->DriverBindingHandle,
Controller
);
}
if (I2cHost != NULL) {
gBS->CloseProtocol (
Controller,
&gEfiI2cHostProtocolGuid,
This->DriverBindingHandle,
Controller
);
Controller,
&gEfiI2cHostProtocolGuid,
This->DriverBindingHandle,
Controller
);
}
if (I2cEnumerate != NULL) {
gBS->CloseProtocol (
Controller,
&gEfiI2cEnumerateProtocolGuid,
This->DriverBindingHandle,
Controller
);
Controller,
&gEfiI2cEnumerateProtocolGuid,
This->DriverBindingHandle,
Controller
);
}
if (I2cBusContext != NULL) {
@@ -735,7 +746,6 @@ Error:
return Status;
}
/**
Stops a device controller or a bus controller.
@@ -771,60 +781,60 @@ I2cBusDriverStop (
IN EFI_HANDLE *ChildHandleBuffer
)
{
I2C_BUS_CONTEXT *I2cBusContext;
EFI_STATUS Status;
BOOLEAN AllChildrenStopped;
UINTN Index;
I2C_BUS_CONTEXT *I2cBusContext;
EFI_STATUS Status;
BOOLEAN AllChildrenStopped;
UINTN Index;
if (NumberOfChildren == 0) {
gBS->CloseProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
This->DriverBindingHandle,
Controller
);
Controller,
&gEfiDevicePathProtocolGuid,
This->DriverBindingHandle,
Controller
);
gBS->CloseProtocol (
Controller,
&gEfiI2cHostProtocolGuid,
This->DriverBindingHandle,
Controller
);
Controller,
&gEfiI2cHostProtocolGuid,
This->DriverBindingHandle,
Controller
);
gBS->CloseProtocol (
Controller,
&gEfiI2cEnumerateProtocolGuid,
This->DriverBindingHandle,
Controller
);
Controller,
&gEfiI2cEnumerateProtocolGuid,
This->DriverBindingHandle,
Controller
);
Status = gBS->OpenProtocol (
Controller,
&gEfiCallerIdGuid,
(VOID **) &I2cBusContext,
(VOID **)&I2cBusContext,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (!EFI_ERROR (Status)) {
gBS->UninstallMultipleProtocolInterfaces (
Controller,
&gEfiCallerIdGuid,
I2cBusContext,
NULL
);
Controller,
&gEfiCallerIdGuid,
I2cBusContext,
NULL
);
//
// No more child now, free bus context data.
//
FreePool (I2cBusContext);
}
return Status;
}
AllChildrenStopped = TRUE;
for (Index = 0; Index < NumberOfChildren; Index++) {
Status = UnRegisterI2cDevice (This, Controller, ChildHandleBuffer[Index]);
if (EFI_ERROR (Status)) {
AllChildrenStopped = FALSE;
@@ -834,6 +844,7 @@ I2cBusDriverStop (
if (!AllChildrenStopped) {
return EFI_DEVICE_ERROR;
}
return EFI_SUCCESS;
}
@@ -853,22 +864,22 @@ I2cBusDriverStop (
**/
EFI_STATUS
RegisterI2cDevice (
IN I2C_BUS_CONTEXT *I2cBusContext,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
IN I2C_BUS_CONTEXT *I2cBusContext,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
I2C_DEVICE_CONTEXT *I2cDeviceContext;
EFI_STATUS Status;
CONST EFI_I2C_DEVICE *Device;
CONST EFI_I2C_DEVICE *TempDevice;
UINT32 RemainingPathDeviceIndex;
EFI_DEVICE_PATH_PROTOCOL *DevPathNode;
BOOLEAN BuildControllerNode;
UINTN Count;
I2C_DEVICE_CONTEXT *I2cDeviceContext;
EFI_STATUS Status;
CONST EFI_I2C_DEVICE *Device;
CONST EFI_I2C_DEVICE *TempDevice;
UINT32 RemainingPathDeviceIndex;
EFI_DEVICE_PATH_PROTOCOL *DevPathNode;
BOOLEAN BuildControllerNode;
UINTN Count;
Status = EFI_SUCCESS;
BuildControllerNode = TRUE;
Status = EFI_SUCCESS;
BuildControllerNode = TRUE;
//
// Default DeviceIndex
@@ -884,12 +895,13 @@ RegisterI2cDevice (
//
DevPathNode = NextDevicePathNode (RemainingDevicePath);
if ((DevicePathType (DevPathNode) == HARDWARE_DEVICE_PATH) &&
(DevicePathSubType(DevPathNode) == HW_CONTROLLER_DP)) {
(DevicePathSubType (DevPathNode) == HW_CONTROLLER_DP))
{
//
// RemainingDevicePath != NULL and RemainingDevicePath contains Controller Node,
// add Controller Node to Device Path on child handle.
//
RemainingPathDeviceIndex = ((CONTROLLER_DEVICE_PATH *) DevPathNode)->ControllerNumber;
RemainingPathDeviceIndex = ((CONTROLLER_DEVICE_PATH *)DevPathNode)->ControllerNumber;
} else {
//
// RemainingDevicePath != NULL and RemainingDevicePath does not contain Controller Node,
@@ -908,12 +920,13 @@ RegisterI2cDevice (
// Get the next I2C device
//
Status = I2cBusContext->I2cEnumerate->Enumerate (I2cBusContext->I2cEnumerate, &Device);
if (EFI_ERROR (Status) || Device == NULL) {
if (EFI_ERROR (Status) || (Device == NULL)) {
if (RemainingDevicePath != NULL) {
Status = EFI_NOT_FOUND;
} else {
Status = EFI_SUCCESS;
}
break;
}
@@ -937,14 +950,16 @@ RegisterI2cDevice (
// Get the next I2C device
//
Status = I2cBusContext->I2cEnumerate->Enumerate (I2cBusContext->I2cEnumerate, &TempDevice);
if (EFI_ERROR (Status) || TempDevice == NULL) {
if (EFI_ERROR (Status) || (TempDevice == NULL)) {
Status = EFI_SUCCESS;
break;
}
if (CompareGuid (Device->DeviceGuid, TempDevice->DeviceGuid)) {
Count++;
}
}
if (Count == 1) {
//
// RemainingDevicePath == NULL and only DeviceIndex 0 is present on the I2C bus,
@@ -958,7 +973,8 @@ RegisterI2cDevice (
// Find I2C device reported in Remaining Device Path
//
if ((!CompareGuid (&((VENDOR_DEVICE_PATH *)RemainingDevicePath)->Guid, Device->DeviceGuid)) ||
(RemainingPathDeviceIndex != Device->DeviceIndex)) {
(RemainingPathDeviceIndex != Device->DeviceIndex))
{
continue;
}
}
@@ -976,11 +992,11 @@ RegisterI2cDevice (
//
// Initialize the specific device context
//
I2cDeviceContext->I2cBusContext = I2cBusContext;
I2cDeviceContext->I2cDevice = Device;
I2cDeviceContext->I2cIo.DeviceGuid = Device->DeviceGuid;
I2cDeviceContext->I2cIo.DeviceIndex = Device->DeviceIndex;
I2cDeviceContext->I2cIo.HardwareRevision = Device->HardwareRevision;
I2cDeviceContext->I2cBusContext = I2cBusContext;
I2cDeviceContext->I2cDevice = Device;
I2cDeviceContext->I2cIo.DeviceGuid = Device->DeviceGuid;
I2cDeviceContext->I2cIo.DeviceIndex = Device->DeviceIndex;
I2cDeviceContext->I2cIo.HardwareRevision = Device->HardwareRevision;
I2cDeviceContext->I2cIo.I2cControllerCapabilities = I2cBusContext->I2cHost->I2cControllerCapabilities;
//
@@ -996,12 +1012,13 @@ RegisterI2cDevice (
// Install the protocol
//
Status = gBS->InstallMultipleProtocolInterfaces (
&I2cDeviceContext->Handle,
&gEfiI2cIoProtocolGuid,
&I2cDeviceContext->I2cIo,
&gEfiDevicePathProtocolGuid,
I2cDeviceContext->DevicePath,
NULL );
&I2cDeviceContext->Handle,
&gEfiI2cIoProtocolGuid,
&I2cDeviceContext->I2cIo,
&gEfiDevicePathProtocolGuid,
I2cDeviceContext->DevicePath,
NULL
);
if (EFI_ERROR (Status)) {
//
// Free resources for this I2C device
@@ -1016,7 +1033,7 @@ RegisterI2cDevice (
Status = gBS->OpenProtocol (
Controller,
&gEfiI2cHostProtocolGuid,
(VOID **) &I2cBusContext->I2cHost,
(VOID **)&I2cBusContext->I2cHost,
I2cBusContext->DriverBindingHandle,
I2cDeviceContext->Handle,
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
@@ -1048,7 +1065,6 @@ RegisterI2cDevice (
return Status;
}
/**
Queue an I2C transaction for execution on the I2C device.
@@ -1130,11 +1146,11 @@ I2cBusQueueRequest (
OUT EFI_STATUS *I2cStatus OPTIONAL
)
{
CONST EFI_I2C_DEVICE *I2cDevice;
I2C_BUS_CONTEXT *I2cBusContext;
CONST EFI_I2C_HOST_PROTOCOL *I2cHost;
I2C_DEVICE_CONTEXT *I2cDeviceContext;
EFI_STATUS Status;
CONST EFI_I2C_DEVICE *I2cDevice;
I2C_BUS_CONTEXT *I2cBusContext;
CONST EFI_I2C_HOST_PROTOCOL *I2cHost;
I2C_DEVICE_CONTEXT *I2cDeviceContext;
EFI_STATUS Status;
if (RequestPacket == NULL) {
return EFI_INVALID_PARAMETER;
@@ -1161,7 +1177,7 @@ I2cBusQueueRequest (
Status = I2cHost->QueueRequest (
I2cHost,
I2cDevice->I2cBusConfiguration,
I2cDevice->SlaveAddressArray [SlaveAddressIndex],
I2cDevice->SlaveAddressArray[SlaveAddressIndex],
Event,
RequestPacket,
I2cStatus
@@ -1180,7 +1196,7 @@ I2cBusQueueRequest (
**/
VOID
ReleaseI2cDeviceContext (
IN I2C_DEVICE_CONTEXT *I2cDeviceContext
IN I2C_DEVICE_CONTEXT *I2cDeviceContext
)
{
if (I2cDeviceContext == NULL) {
@@ -1210,22 +1226,22 @@ ReleaseI2cDeviceContext (
**/
EFI_STATUS
UnRegisterI2cDevice (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_HANDLE Handle
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_HANDLE Handle
)
{
EFI_STATUS Status;
I2C_DEVICE_CONTEXT *I2cDeviceContext;
EFI_I2C_IO_PROTOCOL *I2cIo;
EFI_I2C_HOST_PROTOCOL *I2cHost;
EFI_STATUS Status;
I2C_DEVICE_CONTEXT *I2cDeviceContext;
EFI_I2C_IO_PROTOCOL *I2cIo;
EFI_I2C_HOST_PROTOCOL *I2cHost;
I2cIo = NULL;
Status = gBS->OpenProtocol (
Handle,
&gEfiI2cIoProtocolGuid,
(VOID **) &I2cIo,
(VOID **)&I2cIo,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
@@ -1267,13 +1283,13 @@ UnRegisterI2cDevice (
// Keep parent and child relationship
//
gBS->OpenProtocol (
Controller,
&gEfiI2cHostProtocolGuid,
(VOID **) &I2cHost,
This->DriverBindingHandle,
Handle,
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
);
Controller,
&gEfiI2cHostProtocolGuid,
(VOID **)&I2cHost,
This->DriverBindingHandle,
Handle,
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
);
return Status;
}
@@ -1299,8 +1315,8 @@ UnRegisterI2cDevice (
**/
EFI_STATUS
I2cBusDevicePathAppend (
IN I2C_DEVICE_CONTEXT *I2cDeviceContext,
IN BOOLEAN BuildControllerNode
IN I2C_DEVICE_CONTEXT *I2cDeviceContext,
IN BOOLEAN BuildControllerNode
)
{
EFI_DEVICE_PATH_PROTOCOL *PreviousDevicePath;
@@ -1311,10 +1327,10 @@ I2cBusDevicePathAppend (
// Build vendor device path
//
CopyMem (&gVendorDevicePathTemplate.Guid, I2cDeviceContext->I2cDevice->DeviceGuid, sizeof (EFI_GUID));
I2cDeviceContext->DevicePath = AppendDevicePathNode (
I2cDeviceContext->I2cBusContext->ParentDevicePath,
(EFI_DEVICE_PATH_PROTOCOL *) &gVendorDevicePathTemplate
);
I2cDeviceContext->DevicePath = AppendDevicePathNode (
I2cDeviceContext->I2cBusContext->ParentDevicePath,
(EFI_DEVICE_PATH_PROTOCOL *)&gVendorDevicePathTemplate
);
ASSERT (I2cDeviceContext->DevicePath != NULL);
if (I2cDeviceContext->DevicePath == NULL) {
return EFI_OUT_OF_RESOURCES;
@@ -1324,12 +1340,12 @@ I2cBusDevicePathAppend (
//
// Build the final I2C device path with controller node
//
PreviousDevicePath = I2cDeviceContext->DevicePath;
PreviousDevicePath = I2cDeviceContext->DevicePath;
gControllerDevicePathTemplate.ControllerNumber = I2cDeviceContext->I2cDevice->DeviceIndex;
I2cDeviceContext->DevicePath = AppendDevicePathNode (
I2cDeviceContext->DevicePath,
(EFI_DEVICE_PATH_PROTOCOL *) &gControllerDevicePathTemplate
);
I2cDeviceContext->DevicePath = AppendDevicePathNode (
I2cDeviceContext->DevicePath,
(EFI_DEVICE_PATH_PROTOCOL *)&gControllerDevicePathTemplate
);
gBS->FreePool (PreviousDevicePath);
ASSERT (I2cDeviceContext->DevicePath != NULL);
if (I2cDeviceContext->DevicePath == NULL) {
@@ -1353,12 +1369,12 @@ I2cBusDevicePathAppend (
**/
EFI_STATUS
EFIAPI
InitializeI2cBus(
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
InitializeI2cBus (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_STATUS Status;
//
// Install driver model protocol(s).
@@ -1373,7 +1389,6 @@ InitializeI2cBus(
);
ASSERT_EFI_ERROR (Status);
return Status;
}
@@ -1392,15 +1407,15 @@ InitializeI2cBus(
EFI_STATUS
EFIAPI
I2cBusUnload (
IN EFI_HANDLE ImageHandle
IN EFI_HANDLE ImageHandle
)
{
EFI_STATUS Status;
EFI_HANDLE *DeviceHandleBuffer;
UINTN DeviceHandleCount;
UINTN Index;
EFI_COMPONENT_NAME_PROTOCOL *ComponentName;
EFI_COMPONENT_NAME2_PROTOCOL *ComponentName2;
EFI_STATUS Status;
EFI_HANDLE *DeviceHandleBuffer;
UINTN DeviceHandleCount;
UINTN Index;
EFI_COMPONENT_NAME_PROTOCOL *ComponentName;
EFI_COMPONENT_NAME2_PROTOCOL *ComponentName2;
//
// Get the list of all I2C Controller handles in the handle database.
@@ -1455,7 +1470,7 @@ I2cBusUnload (
Status = gBS->HandleProtocol (
gI2cBusDriverBinding.DriverBindingHandle,
&gEfiComponentNameProtocolGuid,
(VOID **) &ComponentName
(VOID **)&ComponentName
);
if (!EFI_ERROR (Status)) {
gBS->UninstallProtocolInterface (
@@ -1468,7 +1483,7 @@ I2cBusUnload (
Status = gBS->HandleProtocol (
gI2cBusDriverBinding.DriverBindingHandle,
&gEfiComponentName2ProtocolGuid,
(VOID **) &ComponentName2
(VOID **)&ComponentName2
);
if (!EFI_ERROR (Status)) {
gBS->UninstallProtocolInterface (

27
MdeModulePkg/Bus/I2c/I2cDxe/I2cDxe.c
View File

@@ -20,21 +20,21 @@
**/
EFI_STATUS
EFIAPI
InitializeI2c(
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
InitializeI2c (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_STATUS Status;
//
// Install driver model protocol(s).
//
Status = InitializeI2cHost ( ImageHandle, SystemTable );
if ( !EFI_ERROR ( Status ))
{
Status = InitializeI2cBus ( ImageHandle, SystemTable );
Status = InitializeI2cHost (ImageHandle, SystemTable);
if ( !EFI_ERROR (Status)) {
Status = InitializeI2cBus (ImageHandle, SystemTable);
}
return Status;
}
@@ -53,17 +53,18 @@ InitializeI2c(
EFI_STATUS
EFIAPI
I2cUnload (
IN EFI_HANDLE ImageHandle
IN EFI_HANDLE ImageHandle
)
{
EFI_STATUS Status;
EFI_STATUS Status;
//
// Disconnect the drivers
//
Status = I2cBusUnload ( ImageHandle );
if ( !EFI_ERROR ( Status )) {
Status = I2cHostUnload ( ImageHandle );
Status = I2cBusUnload (ImageHandle);
if ( !EFI_ERROR (Status)) {
Status = I2cHostUnload (ImageHandle);
}
return Status;
}

174
MdeModulePkg/Bus/I2c/I2cDxe/I2cDxe.h
View File

@@ -30,24 +30,24 @@
#include <Protocol/I2cBusConfigurationManagement.h>
#include <Protocol/LoadedImage.h>
#define I2C_DEVICE_SIGNATURE SIGNATURE_32 ('I', '2', 'C', 'D')
#define I2C_HOST_SIGNATURE SIGNATURE_32 ('I', '2', 'C', 'H')
#define I2C_REQUEST_SIGNATURE SIGNATURE_32 ('I', '2', 'C', 'R')
#define I2C_DEVICE_SIGNATURE SIGNATURE_32 ('I', '2', 'C', 'D')
#define I2C_HOST_SIGNATURE SIGNATURE_32 ('I', '2', 'C', 'H')
#define I2C_REQUEST_SIGNATURE SIGNATURE_32 ('I', '2', 'C', 'R')
//
// Synchronize access to the list of requests
//
#define TPL_I2C_SYNC TPL_NOTIFY
#define TPL_I2C_SYNC TPL_NOTIFY
//
// I2C bus context
//
typedef struct {
EFI_I2C_ENUMERATE_PROTOCOL *I2cEnumerate;
EFI_I2C_HOST_PROTOCOL *I2cHost;
EFI_HANDLE Controller;
EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
EFI_HANDLE DriverBindingHandle;
EFI_I2C_ENUMERATE_PROTOCOL *I2cEnumerate;
EFI_I2C_HOST_PROTOCOL *I2cHost;
EFI_HANDLE Controller;
EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
EFI_HANDLE DriverBindingHandle;
} I2C_BUS_CONTEXT;
//
@@ -57,36 +57,36 @@ typedef struct {
//
// Structure identification
//
UINT32 Signature;
UINT32 Signature;
//
// I2c device handle
//
EFI_HANDLE Handle;
EFI_HANDLE Handle;
//
// Upper level API to support the I2C device I/O
//
EFI_I2C_IO_PROTOCOL I2cIo;
EFI_I2C_IO_PROTOCOL I2cIo;
//
// Device path for this device
//
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
//
// Platform specific data for this device
//
CONST EFI_I2C_DEVICE *I2cDevice;
CONST EFI_I2C_DEVICE *I2cDevice;
//
// Context for the common I/O support including the
// lower level API to the host controller.
//
I2C_BUS_CONTEXT *I2cBusContext;
I2C_BUS_CONTEXT *I2cBusContext;
} I2C_DEVICE_CONTEXT;
#define I2C_DEVICE_CONTEXT_FROM_PROTOCOL(a) CR (a, I2C_DEVICE_CONTEXT, I2cIo, I2C_DEVICE_SIGNATURE)
#define I2C_DEVICE_CONTEXT_FROM_PROTOCOL(a) CR (a, I2C_DEVICE_CONTEXT, I2cIo, I2C_DEVICE_SIGNATURE)
//
// I2C Request
@@ -95,41 +95,41 @@ typedef struct {
//
// Signature
//
UINT32 Signature;
UINT32 Signature;
//
// Next request in the pending request list
//
LIST_ENTRY Link;
LIST_ENTRY Link;
//
// I2C bus configuration for the operation
//
UINTN I2cBusConfiguration;
UINTN I2cBusConfiguration;
//
// I2C slave address for the operation
//
UINTN SlaveAddress;
UINTN SlaveAddress;
//
// Event to set for asynchronous operations, NULL for
// synchronous operations
//
EFI_EVENT Event;
EFI_EVENT Event;
//
// I2C operation description
//
EFI_I2C_REQUEST_PACKET *RequestPacket;
EFI_I2C_REQUEST_PACKET *RequestPacket;
//
// Optional buffer to receive the I2C operation completion status
//
EFI_STATUS *Status;
EFI_STATUS *Status;
} I2C_REQUEST;
#define I2C_REQUEST_FROM_ENTRY(a) CR (a, I2C_REQUEST, Link, I2C_REQUEST_SIGNATURE);
#define I2C_REQUEST_FROM_ENTRY(a) CR (a, I2C_REQUEST, Link, I2C_REQUEST_SIGNATURE);
//
// I2C host context
@@ -138,66 +138,66 @@ typedef struct {
//
// Structure identification
//
UINTN Signature;
UINTN Signature;
//
// Current I2C bus configuration
//
UINTN I2cBusConfiguration;
UINTN I2cBusConfiguration;
//
// I2C bus configuration management event
//
EFI_EVENT I2cBusConfigurationEvent;
EFI_EVENT I2cBusConfigurationEvent;
//
// I2C operation completion event
//
EFI_EVENT I2cEvent;
EFI_EVENT I2cEvent;
//
// I2C operation and I2C bus configuration management status
//
EFI_STATUS Status;
EFI_STATUS Status;
//
// I2C bus configuration management operation pending
//
BOOLEAN I2cBusConfigurationManagementPending;
BOOLEAN I2cBusConfigurationManagementPending;
//
// I2C request list maintained by I2C Host
//
LIST_ENTRY RequestList;
LIST_ENTRY RequestList;
//
// Upper level API
//
EFI_I2C_HOST_PROTOCOL I2cHost;
EFI_I2C_HOST_PROTOCOL I2cHost;
//
// I2C bus configuration management protocol
//
EFI_I2C_BUS_CONFIGURATION_MANAGEMENT_PROTOCOL *I2cBusConfigurationManagement;
EFI_I2C_BUS_CONFIGURATION_MANAGEMENT_PROTOCOL *I2cBusConfigurationManagement;
//
// Lower level API for I2C master (controller)
//
EFI_I2C_MASTER_PROTOCOL *I2cMaster;
EFI_I2C_MASTER_PROTOCOL *I2cMaster;
} I2C_HOST_CONTEXT;
#define I2C_HOST_CONTEXT_FROM_PROTOCOL(a) CR (a, I2C_HOST_CONTEXT, I2cHost, I2C_HOST_SIGNATURE)
#define I2C_HOST_CONTEXT_FROM_PROTOCOL(a) CR (a, I2C_HOST_CONTEXT, I2cHost, I2C_HOST_SIGNATURE)
//
// Global Variables
//
extern EFI_COMPONENT_NAME_PROTOCOL gI2cBusComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gI2cBusComponentName2;
extern EFI_DRIVER_BINDING_PROTOCOL gI2cBusDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gI2cBusComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gI2cBusComponentName2;
extern EFI_DRIVER_BINDING_PROTOCOL gI2cBusDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gI2cHostComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gI2cHostComponentName2;
extern EFI_DRIVER_BINDING_PROTOCOL gI2cHostDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gI2cHostComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gI2cHostComponentName2;
extern EFI_DRIVER_BINDING_PROTOCOL gI2cHostDriverBinding;
/**
Start the I2C driver
@@ -217,7 +217,7 @@ extern EFI_DRIVER_BINDING_PROTOCOL gI2cHostDriverBinding;
EFI_STATUS
RegisterI2cDevice (
IN I2C_BUS_CONTEXT *I2cBus,
IN EFI_HANDLE Controller,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
@@ -237,9 +237,9 @@ RegisterI2cDevice (
**/
EFI_STATUS
UnRegisterI2cDevice (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_HANDLE Handle
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_HANDLE Handle
);
/**
@@ -256,8 +256,8 @@ UnRegisterI2cDevice (
**/
EFI_STATUS
I2cBusDevicePathAppend (
IN I2C_DEVICE_CONTEXT *I2cDeviceContext,
IN BOOLEAN BuildControllerNode
IN I2C_DEVICE_CONTEXT *I2cDeviceContext,
IN BOOLEAN BuildControllerNode
);
/**
@@ -514,9 +514,9 @@ I2cBusDriverStop (
EFI_STATUS
EFIAPI
I2cBusComponentNameGetDriverName (
IN EFI_COMPONENT_NAME2_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
IN EFI_COMPONENT_NAME2_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
/**
@@ -590,11 +590,11 @@ I2cBusComponentNameGetDriverName (
EFI_STATUS
EFIAPI
I2cBusComponentNameGetControllerName (
IN EFI_COMPONENT_NAME2_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
IN EFI_COMPONENT_NAME2_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
);
/**
@@ -610,9 +610,9 @@ I2cBusComponentNameGetControllerName (
**/
EFI_STATUS
EFIAPI
InitializeI2cBus(
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
InitializeI2cBus (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
);
/**
@@ -630,7 +630,7 @@ InitializeI2cBus(
EFI_STATUS
EFIAPI
I2cBusUnload (
IN EFI_HANDLE ImageHandle
IN EFI_HANDLE ImageHandle
);
/**
@@ -643,7 +643,7 @@ I2cBusUnload (
**/
VOID
ReleaseI2cDeviceContext (
IN I2C_DEVICE_CONTEXT *I2cDeviceContext
IN I2C_DEVICE_CONTEXT *I2cDeviceContext
);
/**
@@ -657,8 +657,8 @@ ReleaseI2cDeviceContext (
**/
EFI_STATUS
I2cHostRequestComplete (
I2C_HOST_CONTEXT *I2cHost,
EFI_STATUS Status
I2C_HOST_CONTEXT *I2cHost,
EFI_STATUS Status
);
/**
@@ -688,7 +688,7 @@ I2cHostRequestComplete (
**/
EFI_STATUS
I2cHostRequestEnable (
I2C_HOST_CONTEXT *I2cHost
I2C_HOST_CONTEXT *I2cHost
);
/**
@@ -779,9 +779,9 @@ I2cHostDriverSupported (
EFI_STATUS
EFIAPI
I2cHostDriverStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
@@ -813,10 +813,10 @@ I2cHostDriverStart (
EFI_STATUS
EFIAPI
I2cHostDriverStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
/**
@@ -861,9 +861,9 @@ I2cHostDriverStop (
EFI_STATUS
EFIAPI
I2cHostComponentNameGetDriverName (
IN EFI_COMPONENT_NAME2_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
IN EFI_COMPONENT_NAME2_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
/**
@@ -937,11 +937,11 @@ I2cHostComponentNameGetDriverName (
EFI_STATUS
EFIAPI
I2cHostComponentNameGetControllerName (
IN EFI_COMPONENT_NAME2_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
IN EFI_COMPONENT_NAME2_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
);
/**
@@ -956,8 +956,8 @@ I2cHostComponentNameGetControllerName (
VOID
EFIAPI
I2cHostRequestCompleteEvent (
IN EFI_EVENT Event,
IN VOID *Context
IN EFI_EVENT Event,
IN VOID *Context
);
/**
@@ -972,8 +972,8 @@ I2cHostRequestCompleteEvent (
VOID
EFIAPI
I2cHostI2cBusConfigurationAvailable (
IN EFI_EVENT Event,
IN VOID *Context
IN EFI_EVENT Event,
IN VOID *Context
);
/**
@@ -1065,9 +1065,9 @@ I2cHostQueueRequest (
**/
EFI_STATUS
EFIAPI
InitializeI2cHost(
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
InitializeI2cHost (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
);
/**
@@ -1085,7 +1085,7 @@ InitializeI2cHost(
EFI_STATUS
EFIAPI
I2cHostUnload (
IN EFI_HANDLE ImageHandle
IN EFI_HANDLE ImageHandle
);
#endif // __I2C_DXE_H__
#endif // __I2C_DXE_H__

215
MdeModulePkg/Bus/I2c/I2cDxe/I2cHost.c
View File

@@ -10,7 +10,7 @@
#include "I2cDxe.h"
EFI_DRIVER_BINDING_PROTOCOL gI2cHostDriverBinding = {
EFI_DRIVER_BINDING_PROTOCOL gI2cHostDriverBinding = {
I2cHostDriverSupported,
I2cHostDriverStart,
I2cHostDriverStop,
@@ -22,24 +22,24 @@ EFI_DRIVER_BINDING_PROTOCOL gI2cHostDriverBinding = {
//
// Driver name table
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mI2cHostDriverNameTable[] = {
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mI2cHostDriverNameTable[] = {
{ "eng;en", L"I2c Host Driver" },
{ NULL , NULL }
{ NULL, NULL }
};
//
// EFI Component Name Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gI2cHostComponentName = {
(EFI_COMPONENT_NAME_GET_DRIVER_NAME) I2cHostComponentNameGetDriverName,
(EFI_COMPONENT_NAME_GET_CONTROLLER_NAME) I2cHostComponentNameGetControllerName,
(EFI_COMPONENT_NAME_GET_DRIVER_NAME)I2cHostComponentNameGetDriverName,
(EFI_COMPONENT_NAME_GET_CONTROLLER_NAME)I2cHostComponentNameGetControllerName,
"eng"
};
//
// EFI Component Name 2 Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gI2cHostComponentName2 = {
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gI2cHostComponentName2 = {
I2cHostComponentNameGetDriverName,
I2cHostComponentNameGetControllerName,
"en"
@@ -88,8 +88,8 @@ EFI_STATUS
EFIAPI
I2cHostComponentNameGetDriverName (
IN EFI_COMPONENT_NAME2_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
IN CHAR8 *Language,
OUT CHAR16 **DriverName
)
{
return LookupUnicodeString2 (
@@ -172,11 +172,11 @@ I2cHostComponentNameGetDriverName (
EFI_STATUS
EFIAPI
I2cHostComponentNameGetControllerName (
IN EFI_COMPONENT_NAME2_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
IN EFI_COMPONENT_NAME2_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
{
return EFI_UNSUPPORTED;
@@ -232,9 +232,9 @@ I2cHostDriverSupported (
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
EFI_I2C_MASTER_PROTOCOL *I2cMaster;
EFI_I2C_BUS_CONFIGURATION_MANAGEMENT_PROTOCOL *I2cBusConfigurationManagement;
EFI_STATUS Status;
EFI_I2C_MASTER_PROTOCOL *I2cMaster;
EFI_I2C_BUS_CONFIGURATION_MANAGEMENT_PROTOCOL *I2cBusConfigurationManagement;
EFI_STATUS Status;
//
// Locate I2C Bus Configuration Management Protocol
@@ -255,11 +255,11 @@ I2cHostDriverSupported (
// Close the protocol because we don't use it here
//
gBS->CloseProtocol (
Controller,
&gEfiI2cBusConfigurationManagementProtocolGuid,
This->DriverBindingHandle,
Controller
);
Controller,
&gEfiI2cBusConfigurationManagementProtocolGuid,
This->DriverBindingHandle,
Controller
);
//
// Locate I2C Master Protocol
@@ -317,15 +317,15 @@ I2cHostDriverSupported (
EFI_STATUS
EFIAPI
I2cHostDriverStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
EFI_STATUS Status;
EFI_I2C_MASTER_PROTOCOL *I2cMaster;
EFI_I2C_BUS_CONFIGURATION_MANAGEMENT_PROTOCOL *I2cBusConfigurationManagement;
I2C_HOST_CONTEXT *I2cHostContext;
EFI_STATUS Status;
EFI_I2C_MASTER_PROTOCOL *I2cMaster;
EFI_I2C_BUS_CONFIGURATION_MANAGEMENT_PROTOCOL *I2cBusConfigurationManagement;
I2C_HOST_CONTEXT *I2cHostContext;
I2cMaster = NULL;
I2cHostContext = NULL;
@@ -379,8 +379,8 @@ I2cHostDriverStart (
I2cHostContext->Signature = I2C_HOST_SIGNATURE;
I2cHostContext->I2cMaster = I2cMaster;
I2cHostContext->I2cBusConfigurationManagement = I2cBusConfigurationManagement;
I2cHostContext->I2cBusConfiguration = (UINTN) -1;
InitializeListHead(&I2cHostContext->RequestList);
I2cHostContext->I2cBusConfiguration = (UINTN)-1;
InitializeListHead (&I2cHostContext->RequestList);
//
// Reset the controller
@@ -441,11 +441,11 @@ Exit:
DEBUG ((DEBUG_ERROR, "I2cHost: Start() function failed, Status = %r\n", Status));
if (I2cBusConfigurationManagement != NULL) {
gBS->CloseProtocol (
Controller,
&gEfiI2cBusConfigurationManagementProtocolGuid,
This->DriverBindingHandle,
Controller
);
Controller,
&gEfiI2cBusConfigurationManagementProtocolGuid,
This->DriverBindingHandle,
Controller
);
}
if ((I2cHostContext != NULL) && (I2cHostContext->I2cEvent != NULL)) {
@@ -501,16 +501,16 @@ Exit:
EFI_STATUS
EFIAPI
I2cHostDriverStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
)
{
EFI_STATUS Status;
I2C_HOST_CONTEXT *I2cHostContext;
EFI_I2C_HOST_PROTOCOL *I2cHost;
EFI_TPL TplPrevious;
EFI_STATUS Status;
I2C_HOST_CONTEXT *I2cHostContext;
EFI_I2C_HOST_PROTOCOL *I2cHost;
EFI_TPL TplPrevious;
TplPrevious = EfiGetCurrentTpl ();
if (TplPrevious > TPL_I2C_SYNC) {
@@ -521,7 +521,7 @@ I2cHostDriverStop (
Status = gBS->OpenProtocol (
Controller,
&gEfiI2cHostProtocolGuid,
(VOID **) &I2cHost,
(VOID **)&I2cHost,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
@@ -542,9 +542,9 @@ I2cHostDriverStop (
// If there is pending request or pending bus configuration, do not stop
//
Status = EFI_DEVICE_ERROR;
if (( !I2cHostContext->I2cBusConfigurationManagementPending )
&& IsListEmpty (&I2cHostContext->RequestList)) {
if ( (!I2cHostContext->I2cBusConfigurationManagementPending)
&& IsListEmpty (&I2cHostContext->RequestList))
{
//
// Remove the I2C host protocol
//
@@ -602,16 +602,16 @@ I2cHostDriverStop (
VOID
EFIAPI
I2cHostI2cBusConfigurationAvailable (
IN EFI_EVENT Event,
IN VOID *Context
IN EFI_EVENT Event,
IN VOID *Context
)
{
I2C_HOST_CONTEXT *I2cHostContext;
EFI_I2C_MASTER_PROTOCOL *I2cMaster;
I2C_REQUEST *I2cRequest;
LIST_ENTRY *EntryHeader;
LIST_ENTRY *Entry;
EFI_STATUS Status;
I2C_HOST_CONTEXT *I2cHostContext;
EFI_I2C_MASTER_PROTOCOL *I2cMaster;
I2C_REQUEST *I2cRequest;
LIST_ENTRY *EntryHeader;
LIST_ENTRY *Entry;
EFI_STATUS Status;
//
// Mark this I2C bus configuration management operation as complete
@@ -637,7 +637,7 @@ I2cHostI2cBusConfigurationAvailable (
// Unknown I2C bus configuration
// Force next operation to enable the I2C bus configuration
//
I2cHostContext->I2cBusConfiguration = (UINTN) -1;
I2cHostContext->I2cBusConfiguration = (UINTN)-1;
//
// Do not continue current I2C request
@@ -649,8 +649,8 @@ I2cHostI2cBusConfigurationAvailable (
// Get the first request in the link with FIFO order
//
EntryHeader = &I2cHostContext->RequestList;
Entry = GetFirstNode (EntryHeader);
I2cRequest = I2C_REQUEST_FROM_ENTRY (Entry);
Entry = GetFirstNode (EntryHeader);
I2cRequest = I2C_REQUEST_FROM_ENTRY (Entry);
//
// Update the I2C bus configuration of the current I2C request
@@ -669,7 +669,7 @@ I2cHostI2cBusConfigurationAvailable (
);
if (EFI_ERROR (Status)) {
DEBUG((DEBUG_ERROR, "I2cHostI2cBusConfigurationAvailable: Error starting I2C operation, %r\n", Status));
DEBUG ((DEBUG_ERROR, "I2cHostI2cBusConfigurationAvailable: Error starting I2C operation, %r\n", Status));
}
}
@@ -686,20 +686,20 @@ I2cHostI2cBusConfigurationAvailable (
**/
EFI_STATUS
I2cHostRequestComplete (
I2C_HOST_CONTEXT *I2cHostContext,
EFI_STATUS Status
I2C_HOST_CONTEXT *I2cHostContext,
EFI_STATUS Status
)
{
I2C_REQUEST *I2cRequest;
LIST_ENTRY *EntryHeader;
LIST_ENTRY *Entry;
I2C_REQUEST *I2cRequest;
LIST_ENTRY *EntryHeader;
LIST_ENTRY *Entry;
//
// Remove the current I2C request from the list
//
EntryHeader = &I2cHostContext->RequestList;
Entry = GetFirstNode (EntryHeader);
I2cRequest = I2C_REQUEST_FROM_ENTRY (Entry);
Entry = GetFirstNode (EntryHeader);
I2cRequest = I2C_REQUEST_FROM_ENTRY (Entry);
//
// Save the status for QueueRequest
@@ -725,7 +725,7 @@ I2cHostRequestComplete (
//
// If there is more I2C request, start next one
//
if(!IsListEmpty (EntryHeader)) {
if (!IsListEmpty (EntryHeader)) {
I2cHostRequestEnable (I2cHostContext);
}
@@ -744,11 +744,11 @@ I2cHostRequestComplete (
VOID
EFIAPI
I2cHostRequestCompleteEvent (
IN EFI_EVENT Event,
IN VOID *Context
IN EFI_EVENT Event,
IN VOID *Context
)
{
I2C_HOST_CONTEXT *I2cHostContext;
I2C_HOST_CONTEXT *I2cHostContext;
//
// Handle the completion event
@@ -784,16 +784,16 @@ I2cHostRequestCompleteEvent (
**/
EFI_STATUS
I2cHostRequestEnable (
I2C_HOST_CONTEXT *I2cHostContext
I2C_HOST_CONTEXT *I2cHostContext
)
{
UINTN I2cBusConfiguration;
CONST EFI_I2C_BUS_CONFIGURATION_MANAGEMENT_PROTOCOL *I2cBusConfigurationManagement;
I2C_REQUEST *I2cRequest;
EFI_STATUS Status;
EFI_TPL TplPrevious;
LIST_ENTRY *EntryHeader;
LIST_ENTRY *Entry;
UINTN I2cBusConfiguration;
CONST EFI_I2C_BUS_CONFIGURATION_MANAGEMENT_PROTOCOL *I2cBusConfigurationManagement;
I2C_REQUEST *I2cRequest;
EFI_STATUS Status;
EFI_TPL TplPrevious;
LIST_ENTRY *EntryHeader;
LIST_ENTRY *Entry;
//
// Assume pending request
@@ -807,7 +807,7 @@ I2cHostRequestEnable (
//
EntryHeader = &I2cHostContext->RequestList;
Entry = GetFirstNode (EntryHeader);
I2cRequest = I2C_REQUEST_FROM_ENTRY (Entry);
I2cRequest = I2C_REQUEST_FROM_ENTRY (Entry);
I2cBusConfiguration = I2cRequest->I2cBusConfiguration;
@@ -820,16 +820,16 @@ I2cHostRequestEnable (
// Update bus configuration for this device's requesting bus configuration
//
Status = I2cBusConfigurationManagement->EnableI2cBusConfiguration (
I2cBusConfigurationManagement,
I2cBusConfiguration,
I2cHostContext->I2cBusConfigurationEvent,
&I2cHostContext->Status
);
I2cBusConfigurationManagement,
I2cBusConfiguration,
I2cHostContext->I2cBusConfigurationEvent,
&I2cHostContext->Status
);
} else {
//
// I2C bus configuration is same, no need change configuration and start I2c transaction directly
//
TplPrevious = gBS->RaiseTPL ( TPL_I2C_SYNC );
TplPrevious = gBS->RaiseTPL (TPL_I2C_SYNC);
//
// Same I2C bus configuration
@@ -840,8 +840,9 @@ I2cHostRequestEnable (
//
// Release the thread synchronization
//
gBS->RestoreTPL ( TplPrevious );
gBS->RestoreTPL (TplPrevious);
}
return Status;
}
@@ -965,12 +966,12 @@ I2cHostQueueRequest (
// For synchronous transaction, register an event used to wait for finishing synchronous transaction
//
Status = gBS->CreateEvent (
0,
TPL_I2C_SYNC,
NULL,
NULL,
&SyncEvent
);
0,
TPL_I2C_SYNC,
NULL,
NULL,
&SyncEvent
);
if (EFI_ERROR (Status)) {
return Status;
}
@@ -1007,7 +1008,7 @@ I2cHostQueueRequest (
//
// Copy request packet into private buffer, as RequestPacket may be freed during asynchronous transaction
//
RequestPacketSize = sizeof (UINTN) + RequestPacket->OperationCount * sizeof (EFI_I2C_OPERATION);
RequestPacketSize = sizeof (UINTN) + RequestPacket->OperationCount * sizeof (EFI_I2C_OPERATION);
I2cRequest->RequestPacket = AllocateZeroPool (RequestPacketSize);
ASSERT (I2cRequest->RequestPacket != NULL);
CopyMem (I2cRequest->RequestPacket, RequestPacket, RequestPacketSize);
@@ -1015,7 +1016,7 @@ I2cHostQueueRequest (
//
// Synchronize with the other threads
//
gBS->RaiseTPL ( TPL_I2C_SYNC );
gBS->RaiseTPL (TPL_I2C_SYNC);
FirstRequest = IsListEmpty (&I2cHostContext->RequestList);
@@ -1085,12 +1086,12 @@ I2cHostQueueRequest (
**/
EFI_STATUS
EFIAPI
InitializeI2cHost(
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
InitializeI2cHost (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_STATUS Status;
//
// Install driver model protocol(s).
@@ -1122,15 +1123,15 @@ InitializeI2cHost(
EFI_STATUS
EFIAPI
I2cHostUnload (
IN EFI_HANDLE ImageHandle
IN EFI_HANDLE ImageHandle
)
{
EFI_STATUS Status;
EFI_HANDLE *DeviceHandleBuffer;
UINTN DeviceHandleCount;
UINTN Index;
EFI_COMPONENT_NAME_PROTOCOL *ComponentName;
EFI_COMPONENT_NAME2_PROTOCOL *ComponentName2;
EFI_STATUS Status;
EFI_HANDLE *DeviceHandleBuffer;
UINTN DeviceHandleCount;
UINTN Index;
EFI_COMPONENT_NAME_PROTOCOL *ComponentName;
EFI_COMPONENT_NAME2_PROTOCOL *ComponentName2;
//
// Get the list of all I2C Controller handles in the handle database.
@@ -1185,7 +1186,7 @@ I2cHostUnload (
Status = gBS->HandleProtocol (
gI2cHostDriverBinding.DriverBindingHandle,
&gEfiComponentNameProtocolGuid,
(VOID **) &ComponentName
(VOID **)&ComponentName
);
if (!EFI_ERROR (Status)) {
gBS->UninstallProtocolInterface (
@@ -1198,7 +1199,7 @@ I2cHostUnload (
Status = gBS->HandleProtocol (
gI2cHostDriverBinding.DriverBindingHandle,
&gEfiComponentName2ProtocolGuid,
(VOID **) &ComponentName2
(VOID **)&ComponentName2
);
if (!EFI_ERROR (Status)) {
gBS->UninstallProtocolInterface (