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Code Scrub for UsbKbDxe module.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7028 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
xli24
2008-12-15 07:17:47 +00:00
parent 619c3f0826
commit b4e73a6373
6 changed files with 715 additions and 663 deletions
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296
MdeModulePkg/Bus/Usb/UsbKbDxe/EfiKey.h
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@ -54,8 +54,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#define REPORT_PROTOCOL 1
typedef struct {
UINT8 Down;
UINT8 KeyCode;
BOOLEAN Down;
UINT8 KeyCode;
} USB_KEY;
typedef struct {
@ -110,31 +110,31 @@ typedef struct {
EFI_USB_ENDPOINT_DESCRIPTOR IntEndpointDescriptor;
USB_KB_BUFFER KeyboardBuffer;
UINT8 CtrlOn;
UINT8 AltOn;
UINT8 ShiftOn;
UINT8 NumLockOn;
UINT8 CapsOn;
UINT8 ScrollOn;
BOOLEAN CtrlOn;
BOOLEAN AltOn;
BOOLEAN ShiftOn;
BOOLEAN NumLockOn;
BOOLEAN CapsOn;
BOOLEAN ScrollOn;
UINT8 LastKeyCodeArray[8];
UINT8 CurKeyChar;
UINT8 CurKeyCode;
UINT8 RepeatKey;
EFI_EVENT RepeatTimer;
EFI_UNICODE_STRING_TABLE *ControllerNameTable;
UINT8 LeftCtrlOn;
UINT8 LeftAltOn;
UINT8 LeftShiftOn;
UINT8 LeftLogoOn;
UINT8 RightCtrlOn;
UINT8 RightAltOn;
UINT8 RightShiftOn;
UINT8 RightLogoOn;
UINT8 MenuKeyOn;
UINT8 SysReqOn;
UINT8 AltGrOn;
BOOLEAN LeftCtrlOn;
BOOLEAN LeftAltOn;
BOOLEAN LeftShiftOn;
BOOLEAN LeftLogoOn;
BOOLEAN RightCtrlOn;
BOOLEAN RightAltOn;
BOOLEAN RightShiftOn;
BOOLEAN RightLogoOn;
BOOLEAN MenuKeyOn;
BOOLEAN SysReqOn;
BOOLEAN AltGrOn;
EFI_KEY_STATE KeyState;
//
@ -164,24 +164,20 @@ extern EFI_GUID gSimpleTextInExNotifyGuid;
#define TEXT_INPUT_EX_USB_KB_DEV_FROM_THIS(a) \
CR(a, USB_KB_DEV, SimpleInputEx, USB_KB_DEV_SIGNATURE)
#define MOD_CONTROL_L 0x01
#define MOD_CONTROL_R 0x10
#define MOD_SHIFT_L 0x02
#define MOD_SHIFT_R 0x20
#define MOD_ALT_L 0x04
#define MOD_ALT_R 0x40
#define MOD_WIN_L 0x08
#define MOD_WIN_R 0x80
typedef struct {
UINT8 Mask;
UINT8 Key;
} KB_MODIFIER;
#define USB_KEYCODE_MAX_MAKE 0x62
#define USBKBD_VALID_KEYCODE(key) ((UINT8) (key) > 3)
//
// According to Universal Serial Bus HID Usage Tables document ver 1.12,
// a Boot Keyboard should support the keycode range from 0x0 to 0x65 and 0xE0 to 0xE7.
// 0xE0 to 0xE7 are for modifier keys, and 0x0 to 0x3 are reserved for typical
// keyboard status or keyboard errors.
// So the number of valid non-modifier USB keycodes is 0x62, and the number of
// valid keycodes is 0x6A.
//
#define NUMBER_OF_VALID_NON_MODIFIER_USB_KEYCODE 0x62
#define NUMBER_OF_VALID_USB_KEYCODE 0x6A
//
// 0x0 to 0x3 are reserved for typical keyboard status or keyboard errors.
//
#define USBKBD_VALID_KEYCODE(Key) ((UINT8) (Key) > 3)
typedef struct {
UINT8 NumLock : 1;
@ -213,7 +209,11 @@ USBKeyboardDriverBindingSupported (
);
/**
Start running driver on the controller.
Starts the device with this driver.
This function produces Simple Text Input Protocol and Simple Text Input Ex Protocol,
initializes the keyboard device, and submit Asynchronous Interrupt Transfer to manage
this keyboard device.
@param This The USB keyboard driver binding instance.
@param Controller Handle of device to bind driver to.
@ -222,7 +222,7 @@ USBKeyboardDriverBindingSupported (
@retval EFI_SUCCESS The controller is controlled by the usb keyboard driver.
@retval EFI_UNSUPPORTED No interrupt endpoint can be found.
@retval Other The keyboard driver cannot support this controller.
@retval Other This controller cannot be started.
**/
EFI_STATUS
@ -234,17 +234,18 @@ USBKeyboardDriverBindingStart (
);
/**
Stop handling the controller by this USB keyboard driver.
Stop the USB keyboard device handled by this driver.
@param This The USB keyboard driver binding protocol.
@param Controller The controller to release.
@param NumberOfChildren The number of handles in ChildHandleBuffer.
@param ChildHandleBuffer The array of child handle.
@retval EFI_SUCCESS The controller or children are stopped.
@retval EFI_SUCCESS The device was stopped.
@retval EFI_UNSUPPORTED Simple Text In Protocol or Simple Text In Ex Protocol
is not installed on Controller.
@retval EFI_DEVICE_ERROR Failed to stop the driver.
@retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
@retval Others Fail to uninstall protocols attached on the device.
**/
EFI_STATUS
@ -256,24 +257,135 @@ USBKeyboardDriverBindingStop (
IN EFI_HANDLE *ChildHandleBuffer
);
//
// EFI Component Name Functions
//
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 3066 or ISO 639-2 language code format.
@param DriverName A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
UsbKeyboardComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 3066 or ISO 639-2 language code format.
@param ControllerName A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
UsbKeyboardComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
);
//
// Functions of Simple Text Input Protocol
//
/**
Reset USB Keyboard.
Reset the input device and optionaly run diagnostics
There are 2 types of reset for USB keyboard.
For non-exhaustive reset, only keyboard buffer is cleared.
For exhaustive reset, in addition to clearance of keyboard buffer, the hardware status
is also re-initialized.
@param This The protocol instance of EFI_SIMPLE_TEXT_INPUT_PROTOCOL.
@param ExtendedVerification Indicates if exhaustive reset is used.
TRUE for exhaustive reset.
FALSE for non-exhaustive reset.
@param This Protocol instance pointer.
@param ExtendedVerification Driver may perform diagnostics on reset.
@retval EFI_SUCCESS Keyboard is reset successfully.
@retval EFI_DEVICE_ERROR Failed to reset keyboard.
@retval EFI_SUCCESS The device was reset.
@retval EFI_DEVICE_ERROR The device is not functioning properly and could not be reset.
**/
EFI_STATUS
@ -284,14 +396,16 @@ USBKeyboardReset (
);
/**
Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.ReadKeyStroke() function.
Reads the next keystroke from the input device.
@param This The EFI_SIMPLE_TEXT_INPUT_PROTOCOL instance.
@param Key A pointer to a buffer that is filled in with the keystroke
information for the key that was pressed.
@retval EFI_SUCCESS Read key stroke successfully.
@retval Other Read key stroke failed.
@retval EFI_SUCCESS The keystroke information was returned.
@retval EFI_NOT_READY There was no keystroke data availiable.
@retval EFI_DEVICE_ERROR The keydtroke information was not returned due to
hardware errors.
**/
EFI_STATUS
@ -305,14 +419,25 @@ USBKeyboardReadKeyStroke (
// Simple Text Input Ex protocol functions
//
/**
The extension routine to reset the input device.
Resets the input device hardware.
@param This Protocol instance pointer.
@param ExtendedVerification Driver may perform diagnostics on reset.
The Reset() function resets the input device hardware. As part
of initialization process, the firmware/device will make a quick
but reasonable attempt to verify that the device is functioning.
If the ExtendedVerification flag is TRUE the firmware may take
an extended amount of time to verify the device is operating on
reset. Otherwise the reset operation is to occur as quickly as
possible. The hardware verification process is not defined by
this specification and is left up to the platform firmware or
driver to implement.
@retval EFI_SUCCESS The device was reset.
@retval EFI_DEVICE_ERROR The device is not functioning properly and could
not be reset.
@param This A pointer to the EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL instance.
@param ExtendedVerification Indicates that the driver may perform a more exhaustive
verification operation of the device during reset.
@retval EFI_SUCCESS The device was reset.
@retval EFI_DEVICE_ERROR The device is not functioning correctly and could not be reset.
**/
EFI_STATUS
@ -323,16 +448,17 @@ USBKeyboardResetEx (
);
/**
Reads the next keystroke from the input device. The WaitForKey Event can
be used to test for existance of a keystroke via WaitForEvent () call.
Reads the next keystroke from the input device.
@param This Protocol instance pointer.
@param KeyData A pointer to a buffer that is filled in with the keystroke
state data for the key that was pressed.
@param This Protocol instance pointer.
@param KeyData A pointer to a buffer that is filled in with the keystroke
state data for the key that was pressed.
@return EFI_SUCCESS The keystroke information was returned successfully.
@retval EFI_INVALID_PARAMETER KeyData is NULL.
@retval Other Read key stroke information failed.
@retval EFI_SUCCESS The keystroke information was returned.
@retval EFI_NOT_READY There was no keystroke data available.
@retval EFI_DEVICE_ERROR The keystroke information was not returned due to
hardware errors.
@retval EFI_INVALID_PARAMETER KeyData is NULL.
**/
EFI_STATUS
@ -349,8 +475,10 @@ USBKeyboardReadKeyStrokeEx (
@param KeyToggleState A pointer to the EFI_KEY_TOGGLE_STATE to set the
state for the input device.
@retval EFI_SUCCESS The device state was set successfully.
@retval EFI_UNSUPPORTED The device does not have the ability to set its state.
@retval EFI_SUCCESS The device state was set appropriately.
@retval EFI_DEVICE_ERROR The device is not functioning correctly and could
not have the setting adjusted.
@retval EFI_UNSUPPORTED The device does not support the ability to have its state set.
@retval EFI_INVALID_PARAMETER KeyToggleState is NULL.
**/
@ -373,7 +501,7 @@ USBKeyboardSetState (
@retval EFI_SUCCESS The notification function was registered successfully.
@retval EFI_OUT_OF_RESOURCES Unable to allocate resources for necesssary data structures.
@retval EFI_INVALID_PARAMETER KeyData or NotifyHandle is NULL.
@retval EFI_INVALID_PARAMETER KeyData or NotifyHandle or KeyNotificationFunction is NULL.
**/
EFI_STATUS
@ -392,9 +520,8 @@ USBKeyboardRegisterKeyNotify (
@param NotificationHandle The handle of the notification function being unregistered.
@retval EFI_SUCCESS The notification function was unregistered successfully.
@retval EFI_INVALID_PARAMETER The NotificationHandle is invalid or opening gSimpleTextInExNotifyGuid
on NotificationHandle fails.
@retval EFI_NOT_FOUND Can not find the matching entry in database.
@retval EFI_INVALID_PARAMETER The NotificationHandle is invalid
@retval EFI_NOT_FOUND Cannot find the matching entry in database.
**/
EFI_STATUS
@ -405,7 +532,8 @@ USBKeyboardUnregisterKeyNotify (
);
/**
Handler function for WaitForKey event.
Event notification function registered for EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx
and EFI_SIMPLE_TEXT_INPUT_PROTOCOL.WaitForKey.
@param Event Event to be signaled when a key is pressed.
@param Context Points to USB_KB_DEV instance.
@ -421,20 +549,20 @@ USBKeyboardWaitForKey (
/**
Free keyboard notify list.
@param ListHead The list head.
@param NotifyList The keyboard notify list to free.
@retval EFI_SUCCESS Free the notify list successfully.
@retval EFI_INVALID_PARAMETER ListHead is invalid.
@retval EFI_INVALID_PARAMETER NotifyList is NULL.
**/
EFI_STATUS
EFIAPI
KbdFreeNotifyList (
IN OUT LIST_ENTRY *ListHead
IN OUT LIST_ENTRY *NotifyList
);
/**
Check whether there is key pending.
Check whether there is key pending in the keyboard buffer.
@param UsbKeyboardDevice The USB_KB_DEV instance.
@ -445,19 +573,17 @@ KbdFreeNotifyList (
EFI_STATUS
EFIAPI
USBKeyboardCheckForKey (
IN USB_KB_DEV *UsbKeyboardDevice
IN OUT USB_KB_DEV *UsbKeyboardDevice
);
/**
Whether the pressed key matches a registered key or not.
Check whether the pressed key matches a registered key or not.
@param RegsiteredData A pointer to a buffer that is filled in with the keystroke
state data for the key that was registered.
@param InputData A pointer to a buffer that is filled in with the keystroke
state data for the key that was pressed.
@param RegsiteredData A pointer to keystroke data for the key that was registered.
@param InputData A pointer to keystroke data for the key that was pressed.
@retval TRUE Key pressed matches a registered key.
@retval FLASE Match failed.
@retval FLASE Key pressed does not matche a registered key.
**/
BOOLEAN