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Enhance the Usb bus driver to support Star with Remaining device path.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4437 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
2007-12-26 06:38:15 +00:00
parent be0187bbba
commit ecb575d9e6
5 changed files with 947 additions and 174 deletions
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64
MdeModulePkg/Bus/Usb/UsbBusDxe/usbbus.h
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@@ -32,6 +32,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Protocol/UsbIo.h>
#include <Protocol/DevicePath.h>
#include <library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiDriverEntryPoint.h>
@@ -75,7 +76,7 @@ enum {
//
USB_WAIT_PORT_STABLE_STALL = 100 * USB_BUS_1_MILLISECOND,
//
//
// Wait for port statue reg change, set by experience
//
USB_WAIT_PORT_STS_CHANGE_STALL = 5 * USB_BUS_1_MILLISECOND,
@@ -98,8 +99,8 @@ enum {
USB_SET_PORT_POWER_STALL = 2 * USB_BUS_1_MILLISECOND,
//
// Wait for port reset, refers to specification
// [USB20-7.1.7.5, it says 10ms for hub and 50ms for
// Wait for port reset, refers to specification
// [USB20-7.1.7.5, it says 10ms for hub and 50ms for
// root hub]
//
USB_SET_PORT_RESET_STALL = 20 * USB_BUS_1_MILLISECOND,
@@ -112,11 +113,11 @@ enum {
//
// Wait for set roothub port enable, set by experience
//
//
USB_SET_ROOT_PORT_ENABLE_STALL = 20 * USB_BUS_1_MILLISECOND,
//
// Send general device request timeout, refers to
// Send general device request timeout, refers to
// specification[USB20-11.24.1]
//
USB_GENERAL_DEVICE_REQUEST_TIMEOUT = 50 * USB_BUS_1_MILLISECOND,
@@ -125,7 +126,7 @@ enum {
// Send clear feature request timeout, set by experience
//
USB_CLEAR_FEATURE_REQUEST_TIMEOUT = 10 * USB_BUS_1_MILLISECOND,
//
// Bus raises TPL to TPL_NOTIFY to serialize all its operations
// to protect shared data structures.
@@ -251,8 +252,59 @@ struct _USB_BUS {
// for root hub. Device with address i is at Devices[i].
//
USB_DEVICE *Devices[USB_MAX_DEVICES];
//
// USB Bus driver need to control the recursive connect policy of the bus, only those wanted
// usb child device will be recursively connected.
//
// WantedUsbIoDPList tracks the Usb child devices which user want to recursivly fully connecte,
// every wanted child device is stored in a item of the WantedUsbIoDPList, whose structrure is
// DEVICE_PATH_LIST_ITEM
//
LIST_ENTRY WantedUsbIoDPList;
};
#define USB_US_LAND_ID 0x0409
#define DEVICE_PATH_LIST_ITEM_SIGNATURE EFI_SIGNATURE_32('d','p','l','i')
typedef struct _DEVICE_PATH_LIST_ITEM{
UINTN Signature;
LIST_ENTRY Link;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
} DEVICE_PATH_LIST_ITEM;
typedef struct {
USB_CLASS_DEVICE_PATH UsbClass;
EFI_DEVICE_PATH_PROTOCOL End;
} USB_CLASS_FORMAT_DEVICE_PATH;
EFI_STATUS
EFIAPI
UsbBusFreeUsbDPList (
IN LIST_ENTRY *UsbIoDPList
);
EFI_STATUS
EFIAPI
UsbBusAddWantedUsbIoDP (
IN EFI_USB_BUS_PROTOCOL *UsbBusId,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
BOOLEAN
EFIAPI
UsbBusIsWantedUsbIO (
IN USB_BUS *Bus,
IN USB_INTERFACE *UsbIf
);
EFI_STATUS
EFIAPI
UsbBusRecursivelyConnectWantedUsbIo (
IN EFI_USB_BUS_PROTOCOL *UsbBusId
);
extern EFI_USB_IO_PROTOCOL mUsbIoProtocol;
extern EFI_DRIVER_BINDING_PROTOCOL mUsbBusDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL mUsbBusComponentName;