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Diffstat (limited to 'MdeModulePkg/Bus/Usb/UsbBusDxe/UsbHub.c')
-rw-r--r--MdeModulePkg/Bus/Usb/UsbBusDxe/UsbHub.c169
1 files changed, 128 insertions, 41 deletions
diff --git a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbHub.c b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbHub.c
index 21270b8080..2dfc5751d5 100644
--- a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbHub.c
+++ b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbHub.c
@@ -22,19 +22,15 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
// bits determine whether hub will report the port in changed
// bit maps.
//
-#define USB_HUB_MAP_SIZE 5
-
-USB_CHANGE_FEATURE_MAP mHubFeatureMap[USB_HUB_MAP_SIZE] = {
+USB_CHANGE_FEATURE_MAP mHubFeatureMap[] = {
{USB_PORT_STAT_C_CONNECTION, EfiUsbPortConnectChange},
{USB_PORT_STAT_C_ENABLE, EfiUsbPortEnableChange},
{USB_PORT_STAT_C_SUSPEND, EfiUsbPortSuspendChange},
{USB_PORT_STAT_C_OVERCURRENT, EfiUsbPortOverCurrentChange},
- {USB_PORT_STAT_C_RESET, EfiUsbPortResetChange},
+ {USB_PORT_STAT_C_RESET, EfiUsbPortResetChange}
};
-#define USB_ROOT_HUB_MAP_SIZE 5
-
-USB_CHANGE_FEATURE_MAP mRootHubFeatureMap[USB_ROOT_HUB_MAP_SIZE] = {
+USB_CHANGE_FEATURE_MAP mRootHubFeatureMap[] = {
{USB_PORT_STAT_C_CONNECTION, EfiUsbPortConnectChange},
{USB_PORT_STAT_C_ENABLE, EfiUsbPortEnableChange},
{USB_PORT_STAT_C_SUSPEND, EfiUsbPortSuspendChange},
@@ -47,7 +43,38 @@ USB_CHANGE_FEATURE_MAP mRootHubFeatureMap[USB_ROOT_HUB_MAP_SIZE] = {
// is related to an interface, these requests are sent
// to the control endpoint of the device.
//
+/**
+ USB hub control transfer to set the hub depth.
+
+ @param HubDev The device of the hub.
+ @param Depth The depth to set.
+
+ @retval EFI_SUCCESS Depth of the hub is set.
+ @retval Others Failed to set the depth.
+
+**/
+EFI_STATUS
+UsbHubCtrlSetHubDepth (
+ IN USB_DEVICE *HubDev,
+ IN UINT16 Depth
+ )
+{
+ EFI_STATUS Status;
+ Status = UsbCtrlRequest (
+ HubDev,
+ EfiUsbNoData,
+ USB_REQ_TYPE_CLASS,
+ USB_HUB_TARGET_HUB,
+ USB_HUB_REQ_SET_DEPTH,
+ Depth,
+ 0,
+ NULL,
+ 0
+ );
+
+ return Status;
+}
/**
USB hub control transfer to clear the hub feature.
@@ -173,6 +200,41 @@ UsbHubCtrlClearTTBuffer (
return Status;
}
+/**
+ Usb hub control transfer to get the super speed hub descriptor.
+
+ @param HubDev The hub device.
+ @param Buf The buffer to hold the descriptor.
+ @param Len The length to retrieve.
+
+ @retval EFI_SUCCESS The hub descriptor is retrieved.
+ @retval Others Failed to retrieve the hub descriptor.
+
+**/
+EFI_STATUS
+UsbHubCtrlGetSuperSpeedHubDesc (
+ IN USB_DEVICE *HubDev,
+ OUT VOID *Buf
+ )
+{
+ EFI_STATUS Status;
+
+ Status = EFI_INVALID_PARAMETER;
+
+ Status = UsbCtrlRequest (
+ HubDev,
+ EfiUsbDataIn,
+ USB_REQ_TYPE_CLASS,
+ USB_HUB_TARGET_HUB,
+ USB_HUB_REQ_GET_DESC,
+ (UINT16) (USB_DESC_TYPE_HUB_SUPER_SPEED << 8),
+ 0,
+ Buf,
+ 32
+ );
+
+ return Status;
+}
/**
Usb hub control transfer to get the hub descriptor.
@@ -414,19 +476,27 @@ UsbHubReadDesc (
{
EFI_STATUS Status;
- //
- // First get the hub descriptor length
- //
- Status = UsbHubCtrlGetHubDesc (HubDev, HubDesc, 2);
+ if (HubDev->Speed == EFI_USB_SPEED_SUPER) {
+ //
+ // Get the super speed hub descriptor
+ //
+ Status = UsbHubCtrlGetSuperSpeedHubDesc (HubDev, HubDesc);
+ } else {
- if (EFI_ERROR (Status)) {
- return Status;
- }
+ //
+ // First get the hub descriptor length
+ //
+ Status = UsbHubCtrlGetHubDesc (HubDev, HubDesc, 2);
- //
- // Get the whole hub descriptor
- //
- Status = UsbHubCtrlGetHubDesc (HubDev, HubDesc, HubDesc->Length);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Get the whole hub descriptor
+ //
+ Status = UsbHubCtrlGetHubDesc (HubDev, HubDesc, HubDesc->Length);
+ }
return Status;
}
@@ -629,6 +699,7 @@ UsbHubInit (
EFI_STATUS Status;
UINT8 Index;
UINT8 NumEndpoints;
+ UINT16 Depth;
//
// Locate the interrupt endpoint for port change map
@@ -667,6 +738,37 @@ UsbHubInit (
DEBUG (( EFI_D_INFO, "UsbHubInit: hub %d has %d ports\n", HubDev->Address,HubIf->NumOfPort));
//
+ // OK, set IsHub to TRUE. Now usb bus can handle this device
+ // as a working HUB. If failed eariler, bus driver will not
+ // recognize it as a hub. Other parts of the bus should be able
+ // to work.
+ //
+ HubIf->IsHub = TRUE;
+ HubIf->HubApi = &mUsbHubApi;
+ HubIf->HubEp = EpDesc;
+
+ if (HubIf->Device->Speed == EFI_USB_SPEED_SUPER) {
+ Depth = (UINT16)(HubIf->Device->Tier - 1);
+ DEBUG ((EFI_D_INFO, "UsbHubInit: Set Hub Depth as 0x%x\n", Depth));
+ UsbHubCtrlSetHubDepth (HubIf->Device, Depth);
+
+ for (Index = 0; Index < HubDesc.NumPorts; Index++) {
+ UsbHubCtrlSetPortFeature (HubIf->Device, Index, USB_HUB_PORT_REMOTE_WAKE_MASK);
+ }
+ } else {
+ //
+ // Feed power to all the hub ports. It should be ok
+ // for both gang/individual powered hubs.
+ //
+ for (Index = 0; Index < HubDesc.NumPorts; Index++) {
+ UsbHubCtrlSetPortFeature (HubIf->Device, Index, (EFI_USB_PORT_FEATURE) USB_HUB_PORT_POWER);
+ }
+
+ gBS->Stall (HubDesc.PwrOn2PwrGood * USB_SET_PORT_POWER_STALL);
+ UsbHubAckHubStatus (HubIf->Device);
+ }
+
+ //
// Create an event to enumerate the hub's port. On
//
Status = gBS->CreateEvent (
@@ -712,27 +814,6 @@ UsbHubInit (
return Status;
}
- //
- // OK, set IsHub to TRUE. Now usb bus can handle this device
- // as a working HUB. If failed eariler, bus driver will not
- // recognize it as a hub. Other parts of the bus should be able
- // to work.
- //
- HubIf->IsHub = TRUE;
- HubIf->HubApi = &mUsbHubApi;
- HubIf->HubEp = EpDesc;
-
- //
- // Feed power to all the hub ports. It should be ok
- // for both gang/individual powered hubs.
- //
- for (Index = 0; Index < HubDesc.NumPorts; Index++) {
- UsbHubCtrlSetPortFeature (HubIf->Device, Index, (EFI_USB_PORT_FEATURE) USB_HUB_PORT_POWER);
- }
-
- gBS->Stall (HubDesc.PwrOn2PwrGood * USB_SET_PORT_POWER_STALL);
- UsbHubAckHubStatus (HubIf->Device);
-
DEBUG (( EFI_D_INFO, "UsbHubInit: hub %d initialized\n", HubDev->Address));
return Status;
}
@@ -764,6 +845,12 @@ UsbHubGetPortStatus (
Status = UsbHubCtrlGetPortStatus (HubIf->Device, Port, PortState);
+ //
+ // Mark the USB_PORT_STAT_SUPER_SPEED bit if SuperSpeed
+ //
+ if (HubIf->Device->Speed == EFI_USB_SPEED_SUPER) {
+ PortState->PortStatus |= USB_PORT_STAT_SUPER_SPEED;
+ }
return Status;
}
@@ -799,7 +886,7 @@ UsbHubClearPortChange (
// It may lead to extra port state report. USB bus should
// be able to handle this.
//
- for (Index = 0; Index < USB_HUB_MAP_SIZE; Index++) {
+ for (Index = 0; Index < sizeof (mHubFeatureMap) / sizeof (mHubFeatureMap[0]); Index++) {
Map = &mHubFeatureMap[Index];
if (USB_BIT_IS_SET (PortState.PortChangeStatus, Map->ChangedBit)) {
@@ -1091,7 +1178,7 @@ UsbRootHubClearPortChange (
// It may lead to extra port state report. USB bus should
// be able to handle this.
//
- for (Index = 0; Index < USB_ROOT_HUB_MAP_SIZE; Index++) {
+ for (Index = 0; Index < sizeof (mRootHubFeatureMap) / sizeof (mRootHubFeatureMap[0]); Index++) {
Map = &mRootHubFeatureMap[Index];
if (USB_BIT_IS_SET (PortState.PortChangeStatus, Map->ChangedBit)) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-04 22:35:31 +0000