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-rw-r--r--MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c150
1 files changed, 74 insertions, 76 deletions
diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c
index e03934fa09..b8a1d78a7e 100644
--- a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c
+++ b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c
@@ -140,27 +140,27 @@ XhcReset (
)
{
USB_XHCI_INSTANCE *Xhc;
- EFI_STATUS Status;
- EFI_TPL OldTpl;
-
- Xhc = XHC_FROM_THIS (This);
-
- if (Xhc->DevicePath != NULL) {
- //
- // Report Status Code to indicate reset happens
- //
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (
- EFI_PROGRESS_CODE,
- (EFI_IO_BUS_USB | EFI_IOB_PC_RESET),
- Xhc->DevicePath
- );
- }
-
- OldTpl = gBS->RaiseTPL (XHC_TPL);
-
- switch (Attributes) {
- case EFI_USB_HC_RESET_GLOBAL:
- //
+ EFI_STATUS Status;
+ EFI_TPL OldTpl;
+
+ Xhc = XHC_FROM_THIS (This);
+
+ if (Xhc->DevicePath != NULL) {
+ //
+ // Report Status Code to indicate reset happens
+ //
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
+ EFI_PROGRESS_CODE,
+ (EFI_IO_BUS_USB | EFI_IOB_PC_RESET),
+ Xhc->DevicePath
+ );
+ }
+
+ OldTpl = gBS->RaiseTPL (XHC_TPL);
+
+ switch (Attributes) {
+ case EFI_USB_HC_RESET_GLOBAL:
+ //
// Flow through, same behavior as Host Controller Reset
//
case EFI_USB_HC_RESET_HOST_CONTROLLER:
@@ -932,9 +932,9 @@ XhcControlTransfer (
}
Xhc->UsbDevContext[SlotId].ConfDesc = AllocateZeroPool (Xhc->UsbDevContext[SlotId].DevDesc.NumConfigurations * sizeof (EFI_USB_CONFIG_DESCRIPTOR *));
if (Xhc->HcCParams.Data.Csz == 0) {
- Status = XhcEvaluateContext (Xhc, SlotId, MaxPacket0);
+ Status = XhcEvaluateContext (Xhc, SlotId, MaxPacket0);
} else {
- Status = XhcEvaluateContext64 (Xhc, SlotId, MaxPacket0);
+ Status = XhcEvaluateContext64 (Xhc, SlotId, MaxPacket0);
}
ASSERT_EFI_ERROR (Status);
} else if (DescriptorType == USB_DESC_TYPE_CONFIG) {
@@ -1007,17 +1007,15 @@ XhcControlTransfer (
if ((State & XHC_PORTSC_PS) >> 10 == 0) {
PortStatus.PortStatus |= USB_PORT_STAT_SUPER_SPEED;
}
- } else if (DeviceSpeed == EFI_USB_SPEED_HIGH) {
+ } else {
//
- // For high speed hub, its bit9~10 presents the attached device speed.
+ // For high or full/low speed hub, its bit9~10 presents the attached device speed.
//
if (XHC_BIT_IS_SET (State, BIT9)) {
PortStatus.PortStatus |= USB_PORT_STAT_LOW_SPEED;
} else if (XHC_BIT_IS_SET (State, BIT10)) {
PortStatus.PortStatus |= USB_PORT_STAT_HIGH_SPEED;
}
- } else {
- ASSERT (0);
}
//
@@ -1690,15 +1688,15 @@ ON_EXIT:
@return The allocated and initialized USB_XHCI_INSTANCE structure if created,
otherwise NULL.
-**/
-USB_XHCI_INSTANCE*
-XhcCreateUsbHc (
- IN EFI_PCI_IO_PROTOCOL *PciIo,
- IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
- IN UINT64 OriginalPciAttributes
- )
-{
- USB_XHCI_INSTANCE *Xhc;
+**/
+USB_XHCI_INSTANCE*
+XhcCreateUsbHc (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ IN UINT64 OriginalPciAttributes
+ )
+{
+ USB_XHCI_INSTANCE *Xhc;
EFI_STATUS Status;
UINT32 PageSize;
UINT16 ExtCapReg;
@@ -1711,13 +1709,13 @@ XhcCreateUsbHc (
//
// Initialize private data structure
- //
- Xhc->Signature = XHCI_INSTANCE_SIG;
- Xhc->PciIo = PciIo;
- Xhc->DevicePath = DevicePath;
- Xhc->OriginalPciAttributes = OriginalPciAttributes;
- CopyMem (&Xhc->Usb2Hc, &gXhciUsb2HcTemplate, sizeof (EFI_USB2_HC_PROTOCOL));
-
+ //
+ Xhc->Signature = XHCI_INSTANCE_SIG;
+ Xhc->PciIo = PciIo;
+ Xhc->DevicePath = DevicePath;
+ Xhc->OriginalPciAttributes = OriginalPciAttributes;
+ CopyMem (&Xhc->Usb2Hc, &gXhciUsb2HcTemplate, sizeof (EFI_USB2_HC_PROTOCOL));
+
InitializeListHead (&Xhc->AsyncIntTransfers);
//
@@ -1841,13 +1839,13 @@ XhcDriverBindingStart (
EFI_STATUS Status;
EFI_PCI_IO_PROTOCOL *PciIo;
UINT64 Supports;
- UINT64 OriginalPciAttributes;
- BOOLEAN PciAttributesSaved;
- USB_XHCI_INSTANCE *Xhc;
- EFI_DEVICE_PATH_PROTOCOL *HcDevicePath;
-
- //
- // Open the PciIo Protocol, then enable the USB host controller
+ UINT64 OriginalPciAttributes;
+ BOOLEAN PciAttributesSaved;
+ USB_XHCI_INSTANCE *Xhc;
+ EFI_DEVICE_PATH_PROTOCOL *HcDevicePath;
+
+ //
+ // Open the PciIo Protocol, then enable the USB host controller
//
Status = gBS->OpenProtocol (
Controller,
@@ -1859,25 +1857,25 @@ XhcDriverBindingStart (
);
if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Open Device Path Protocol for on USB host controller
- //
- HcDevicePath = NULL;
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiDevicePathProtocolGuid,
- (VOID **) &HcDevicePath,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
-
- PciAttributesSaved = FALSE;
- //
- // Save original PCI attributes
+ return Status;
+ }
+
+ //
+ // Open Device Path Protocol for on USB host controller
+ //
+ HcDevicePath = NULL;
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &HcDevicePath,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+
+ PciAttributesSaved = FALSE;
+ //
+ // Save original PCI attributes
//
Status = PciIo->Attributes (
PciIo,
@@ -1912,13 +1910,13 @@ XhcDriverBindingStart (
goto CLOSE_PCIIO;
}
- //
- // Create then install USB2_HC_PROTOCOL
- //
- Xhc = XhcCreateUsbHc (PciIo, HcDevicePath, OriginalPciAttributes);
-
- if (Xhc == NULL) {
- DEBUG ((EFI_D_ERROR, "XhcDriverBindingStart: failed to create USB2_HC\n"));
+ //
+ // Create then install USB2_HC_PROTOCOL
+ //
+ Xhc = XhcCreateUsbHc (PciIo, HcDevicePath, OriginalPciAttributes);
+
+ if (Xhc == NULL) {
+ DEBUG ((EFI_D_ERROR, "XhcDriverBindingStart: failed to create USB2_HC\n"));
return EFI_OUT_OF_RESOURCES;
}