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/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2026-present Eclipse ThreadX contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** USBX Component */
/** */
/** OHCI Controller Driver */
/** */
/**************************************************************************/
/**************************************************************************/
/* Include necessary system files. */
#define UX_SOURCE_CODE
#include "ux_api.h"
#include "ux_hcd_ohci.h"
#include "ux_host_stack.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_hcd_ohci_controller_disable PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function will disable the OHCI controller. The controller */
/* will release all its resources (memory, IO ...). After this, the */
/* controller will not send SOF any longer. All transactions should */
/* have been completed, all classes should have been closed. */
/* */
/* INPUT */
/* */
/* hcd_ohci Pointer to OHCI HCD */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_hcd_ohci_register_write Write OHCI register */
/* */
/* CALLED BY */
/* */
/* OHCI Controller Driver */
/* */
/**************************************************************************/
UINT _ux_hcd_ohci_controller_disable(UX_HCD_OHCI *hcd_ohci)
{
UX_HCD *hcd;
ULONG ohci_register;
/* Point to the generic portion of the host controller structure instance. */
hcd = hcd_ohci -> ux_hcd_ohci_hcd_owner;
/* Set the controller to disabled state. */
ohci_register = OHCI_HC_CR_RESET;
_ux_hcd_ohci_register_write(hcd_ohci, OHCI_HC_CONTROL, ohci_register);
/* Reflect the state of the controller in the main structure. */
hcd -> ux_hcd_status = UX_HCD_STATUS_HALTED;
/* Return successful completion. */
return(UX_SUCCESS);
}
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