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Diffstat (limited to 'MdeModulePkg/Bus/Isa/Ps2MouseDxe/Ps2Mouse.c')
-rw-r--r--MdeModulePkg/Bus/Isa/Ps2MouseDxe/Ps2Mouse.c185
1 files changed, 94 insertions, 91 deletions
diff --git a/MdeModulePkg/Bus/Isa/Ps2MouseDxe/Ps2Mouse.c b/MdeModulePkg/Bus/Isa/Ps2MouseDxe/Ps2Mouse.c
index ebcb2a43dc..fb61f75e08 100644
--- a/MdeModulePkg/Bus/Isa/Ps2MouseDxe/Ps2Mouse.c
+++ b/MdeModulePkg/Bus/Isa/Ps2MouseDxe/Ps2Mouse.c
@@ -13,7 +13,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
///
/// DriverBinding Protocol Instance
///
-EFI_DRIVER_BINDING_PROTOCOL gPS2MouseDriver = {
+EFI_DRIVER_BINDING_PROTOCOL gPS2MouseDriver = {
PS2MouseDriverSupported,
PS2MouseDriverStart,
PS2MouseDriverStop,
@@ -39,15 +39,15 @@ EFI_DRIVER_BINDING_PROTOCOL gPS2MouseDriver = {
EFI_STATUS
EFIAPI
PS2MouseDriverSupported (
- 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_SIO_PROTOCOL *Sio;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
- ACPI_HID_DEVICE_PATH *Acpi;
+ EFI_STATUS Status;
+ EFI_SIO_PROTOCOL *Sio;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ ACPI_HID_DEVICE_PATH *Acpi;
//
// Check whether the controller is keyboard.
@@ -55,7 +55,7 @@ PS2MouseDriverSupported (
Status = gBS->OpenProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
- (VOID **) &DevicePath,
+ (VOID **)&DevicePath,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
@@ -65,37 +65,38 @@ PS2MouseDriverSupported (
}
do {
- Acpi = (ACPI_HID_DEVICE_PATH *) DevicePath;
+ Acpi = (ACPI_HID_DEVICE_PATH *)DevicePath;
DevicePath = NextDevicePathNode (DevicePath);
} while (!IsDevicePathEnd (DevicePath));
- if (DevicePathType (Acpi) != ACPI_DEVICE_PATH ||
- (DevicePathSubType (Acpi) != ACPI_DP && DevicePathSubType (Acpi) != ACPI_EXTENDED_DP)) {
+ if ((DevicePathType (Acpi) != ACPI_DEVICE_PATH) ||
+ ((DevicePathSubType (Acpi) != ACPI_DP) && (DevicePathSubType (Acpi) != ACPI_EXTENDED_DP)))
+ {
return EFI_UNSUPPORTED;
}
switch (Acpi->HID) {
- case EISA_PNP_ID (0xF03):
+ case EISA_PNP_ID (0xF03):
//
// Microsoft PS/2 style mouse
//
- case EISA_PNP_ID (0xF13):
- //
- // PS/2 Port for PS/2-style Mice
- //
- break;
-
- case EISA_PNP_ID (0x303):
- //
- // IBM Enhanced (101/102-key, PS/2 mouse support)
- //
- if (Acpi->UID == 1) {
+ case EISA_PNP_ID (0xF13):
+ //
+ // PS/2 Port for PS/2-style Mice
+ //
break;
- }
- default:
- return EFI_UNSUPPORTED;
- break;
+ case EISA_PNP_ID (0x303):
+ //
+ // IBM Enhanced (101/102-key, PS/2 mouse support)
+ //
+ if (Acpi->UID == 1) {
+ break;
+ }
+
+ default:
+ return EFI_UNSUPPORTED;
+ break;
}
//
@@ -104,7 +105,7 @@ PS2MouseDriverSupported (
Status = gBS->OpenProtocol (
Controller,
&gEfiSioProtocolGuid,
- (VOID **) &Sio,
+ (VOID **)&Sio,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
@@ -143,21 +144,21 @@ PS2MouseDriverSupported (
EFI_STATUS
EFIAPI
PS2MouseDriverStart (
- 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_STATUS EmptyStatus;
- EFI_SIO_PROTOCOL *Sio;
- PS2_MOUSE_DEV *MouseDev;
- UINT8 Data;
- EFI_TPL OldTpl;
- EFI_STATUS_CODE_VALUE StatusCode;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ EFI_STATUS Status;
+ EFI_STATUS EmptyStatus;
+ EFI_SIO_PROTOCOL *Sio;
+ PS2_MOUSE_DEV *MouseDev;
+ UINT8 Data;
+ EFI_TPL OldTpl;
+ EFI_STATUS_CODE_VALUE StatusCode;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
- StatusCode = 0;
+ StatusCode = 0;
//
// Open the device path protocol
@@ -165,7 +166,7 @@ PS2MouseDriverStart (
Status = gBS->OpenProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
- (VOID **) &DevicePath,
+ (VOID **)&DevicePath,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
@@ -173,6 +174,7 @@ PS2MouseDriverStart (
if (EFI_ERROR (Status)) {
return Status;
}
+
//
// Report that the keyboard is being enabled
//
@@ -188,7 +190,7 @@ PS2MouseDriverStart (
Status = gBS->OpenProtocol (
Controller,
&gEfiSioProtocolGuid,
- (VOID **) &Sio,
+ (VOID **)&Sio,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
@@ -196,6 +198,7 @@ PS2MouseDriverStart (
if (EFI_ERROR (Status)) {
return Status;
}
+
//
// Raise TPL to avoid keyboard operation impact
//
@@ -209,6 +212,7 @@ PS2MouseDriverStart (
Status = EFI_OUT_OF_RESOURCES;
goto ErrorExit;
}
+
//
// Setup the device instance
//
@@ -223,14 +227,14 @@ PS2MouseDriverStart (
//
// Resolution = 4 counts/mm
//
- MouseDev->Mode.ResolutionX = 4;
- MouseDev->Mode.ResolutionY = 4;
- MouseDev->Mode.LeftButton = TRUE;
- MouseDev->Mode.RightButton = TRUE;
+ MouseDev->Mode.ResolutionX = 4;
+ MouseDev->Mode.ResolutionY = 4;
+ MouseDev->Mode.LeftButton = TRUE;
+ MouseDev->Mode.RightButton = TRUE;
- MouseDev->SimplePointerProtocol.Reset = MouseReset;
- MouseDev->SimplePointerProtocol.GetState = MouseGetState;
- MouseDev->SimplePointerProtocol.Mode = &(MouseDev->Mode);
+ MouseDev->SimplePointerProtocol.Reset = MouseReset;
+ MouseDev->SimplePointerProtocol.GetState = MouseGetState;
+ MouseDev->SimplePointerProtocol.Mode = &(MouseDev->Mode);
//
// Initialize keyboard controller if necessary
@@ -275,15 +279,15 @@ PS2MouseDriverStart (
// Reset the mouse
//
Status = MouseDev->SimplePointerProtocol.Reset (
- &MouseDev->SimplePointerProtocol,
- FeaturePcdGet (PcdPs2MouseExtendedVerification)
- );
+ &MouseDev->SimplePointerProtocol,
+ FeaturePcdGet (PcdPs2MouseExtendedVerification)
+ );
if (EFI_ERROR (Status)) {
//
// mouse not connected
//
- Status = EFI_SUCCESS;
- StatusCode = EFI_PERIPHERAL_MOUSE | EFI_P_EC_NOT_DETECTED;
+ Status = EFI_SUCCESS;
+ StatusCode = EFI_PERIPHERAL_MOUSE | EFI_P_EC_NOT_DETECTED;
goto ErrorExit;
}
@@ -307,6 +311,7 @@ PS2MouseDriverStart (
Status = EFI_OUT_OF_RESOURCES;
goto ErrorExit;
}
+
//
// Setup a periodic timer, used to poll mouse state
//
@@ -321,6 +326,7 @@ PS2MouseDriverStart (
Status = EFI_OUT_OF_RESOURCES;
goto ErrorExit;
}
+
//
// Start timer to poll mouse (100 samples per second)
//
@@ -346,7 +352,6 @@ PS2MouseDriverStart (
FALSE
);
-
//
// Install protocol interfaces for the mouse device.
//
@@ -441,21 +446,21 @@ ErrorExit:
EFI_STATUS
EFIAPI
PS2MouseDriverStop (
- 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;
- EFI_SIMPLE_POINTER_PROTOCOL *SimplePointerProtocol;
- PS2_MOUSE_DEV *MouseDev;
- UINT8 Data;
+ EFI_STATUS Status;
+ EFI_SIMPLE_POINTER_PROTOCOL *SimplePointerProtocol;
+ PS2_MOUSE_DEV *MouseDev;
+ UINT8 Data;
Status = gBS->OpenProtocol (
Controller,
&gEfiSimplePointerProtocolGuid,
- (VOID **) &SimplePointerProtocol,
+ (VOID **)&SimplePointerProtocol,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
@@ -535,15 +540,15 @@ PS2MouseDriverStop (
EFI_STATUS
EFIAPI
MouseReset (
- IN EFI_SIMPLE_POINTER_PROTOCOL *This,
- IN BOOLEAN ExtendedVerification
+ IN EFI_SIMPLE_POINTER_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
)
{
- EFI_STATUS Status;
- PS2_MOUSE_DEV *MouseDev;
- EFI_TPL OldTpl;
- BOOLEAN KeyboardEnable;
- UINT8 Data;
+ EFI_STATUS Status;
+ PS2_MOUSE_DEV *MouseDev;
+ EFI_TPL OldTpl;
+ BOOLEAN KeyboardEnable;
+ UINT8 Data;
MouseDev = PS2_MOUSE_DEV_FROM_THIS (This);
@@ -625,6 +630,7 @@ MouseReset (
goto Exit;
}
}
+
Exit:
gBS->RestoreTPL (OldTpl);
@@ -646,11 +652,11 @@ Exit:
**/
BOOLEAN
CheckMouseConnect (
- IN PS2_MOUSE_DEV *MouseDev
+ IN PS2_MOUSE_DEV *MouseDev
)
{
- EFI_STATUS Status;
+ EFI_STATUS Status;
Status = PS2MouseEnable ();
if (!EFI_ERROR (Status)) {
@@ -673,12 +679,12 @@ CheckMouseConnect (
EFI_STATUS
EFIAPI
MouseGetState (
- IN EFI_SIMPLE_POINTER_PROTOCOL *This,
- IN OUT EFI_SIMPLE_POINTER_STATE *State
+ IN EFI_SIMPLE_POINTER_PROTOCOL *This,
+ IN OUT EFI_SIMPLE_POINTER_STATE *State
)
{
- PS2_MOUSE_DEV *MouseDev;
- EFI_TPL OldTpl;
+ PS2_MOUSE_DEV *MouseDev;
+ EFI_TPL OldTpl;
MouseDev = PS2_MOUSE_DEV_FROM_THIS (This);
@@ -717,13 +723,13 @@ MouseGetState (
VOID
EFIAPI
MouseWaitForInput (
- IN EFI_EVENT Event,
- IN VOID *Context
+ IN EFI_EVENT Event,
+ IN VOID *Context
)
{
- PS2_MOUSE_DEV *MouseDev;
+ PS2_MOUSE_DEV *MouseDev;
- MouseDev = (PS2_MOUSE_DEV *) Context;
+ MouseDev = (PS2_MOUSE_DEV *)Context;
//
// Someone is waiting on the mouse event, if there's
@@ -732,7 +738,6 @@ MouseWaitForInput (
if (MouseDev->StateChanged) {
gBS->SignalEvent (Event);
}
-
}
/**
@@ -751,9 +756,9 @@ PollMouse (
)
{
- PS2_MOUSE_DEV *MouseDev;
+ PS2_MOUSE_DEV *MouseDev;
- MouseDev = (PS2_MOUSE_DEV *) Context;
+ MouseDev = (PS2_MOUSE_DEV *)Context;
//
// Polling mouse packet data
@@ -773,12 +778,12 @@ PollMouse (
**/
EFI_STATUS
EFIAPI
-InitializePs2Mouse(
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
+InitializePs2Mouse (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
)
{
- EFI_STATUS Status;
+ EFI_STATUS Status;
//
// Install driver model protocol(s).
@@ -793,7 +798,5 @@ InitializePs2Mouse(
);
ASSERT_EFI_ERROR (Status);
-
return Status;
}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-17 14:12:29 +0000