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- /** @file
- Acer Aspire VN7-572G SMM Board ACPI Enable library
- Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- #include <Base.h>
- #include <PiDxe.h>
- #include <Library/DebugLib.h>
- #include <Library/EcLib.h>
- EFI_STATUS
- EFIAPI
- AspireVn7Dash572GBoardEnableAcpi (
- IN BOOLEAN EnableSci
- )
- {
- EFI_STATUS Status;
- /* Tests at runtime show this re-enables charging and battery reporting
- * - Obtained somewhere from somewhere in vendor's SmmKbcDriver (or RtKbcDriver).
- * Further reversing will be performed */
- Status = SendEcCommand (0xE9); /* Vendor implements using ACPI "CMDB" register" */
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "%a(): SendEcCommand(0xE9) failed!\n", __FUNCTION__));
- return EFI_DEVICE_ERROR;
- }
- Status = SendEcData (0x81);
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "%a(): SendEcData(0x81) failed!\n", __FUNCTION__));
- return EFI_DEVICE_ERROR;
- }
- /* TODO: Set touchpad GPP owner to ACPI? */
- return EFI_SUCCESS;
- }
- EFI_STATUS
- EFIAPI
- AspireVn7Dash572GBoardDisableAcpi (
- IN BOOLEAN DisableSci
- )
- {
- EFI_STATUS Status;
- /* Tests at runtime show this disables charging and battery reporting
- * - Obtained somewhere from somewhere in vendor's SmmKbcDriver (or RtKbcDriver).
- * Further reversing will be performed */
- Status = SendEcCommand (0xE9); /* Vendor implements using ACPI "CMDB" register" */
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "%a(): SendEcCommand(0xE9) failed!\n", __FUNCTION__));
- return EFI_DEVICE_ERROR;
- }
- Status = SendEcData (0x80);
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "%a(): SendEcData(0x80) failed!\n", __FUNCTION__));
- return EFI_DEVICE_ERROR;
- }
- /* TODO: Set touchpad GPP owner to GPIO? */
- return EFI_SUCCESS;
- }
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