/***************************************************************************
 * 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                                                        */
/**                                                                       */
/**   HID Class                                                           */
/**                                                                       */
/**************************************************************************/
/**************************************************************************/


/* Include necessary system files.  */

#define UX_SOURCE_CODE

#include "ux_api.h"
#include "ux_host_class_hid.h"
#include "ux_host_stack.h"


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _ux_host_class_hid_idle_set                         PORTABLE C      */
/*                                                           6.1.10       */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Chaoqiong Xiao, Microsoft Corporation                               */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function performs a SET_IDLE to the HID device.                */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    hid                                   Pointer to HID class          */
/*    idle_time                             Idle time                     */
/*    report_id                             Report ID                     */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    Completion Status                                                   */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _ux_host_stack_class_instance_verify  Verify instance is valid      */
/*    _ux_host_stack_transfer_request       Process transfer request      */
/*    _ux_host_semaphore_get                Get protection semaphore      */
/*    _ux_host_semaphore_put                Release protection semaphore  */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    HID Class                                                           */
/*                                                                        */
/**************************************************************************/
UINT  _ux_host_class_hid_idle_set(UX_HOST_CLASS_HID *hid, USHORT idle_time, USHORT report_id)
{
#if defined(UX_HOST_STANDALONE)
UINT            status;
    do
    {
        status = _ux_host_class_hid_idle_set_run(hid, idle_time, report_id);
    } while(status == UX_STATE_WAIT || status == UX_STATE_LOCK);
    return(hid -> ux_host_class_hid_status);
#else

UX_ENDPOINT     *control_endpoint;
UX_TRANSFER     *transfer_request;
UINT            status;

    /* If trace is enabled, insert this event into the trace buffer.  */
    UX_TRACE_IN_LINE_INSERT(UX_TRACE_HOST_CLASS_HID_IDLE_SET, hid, 0, 0, 0, UX_TRACE_HOST_CLASS_EVENTS, 0, 0)

    /* Ensure the instance is valid.  */
    if (_ux_host_stack_class_instance_verify(_ux_system_host_class_hid_name, (VOID *) hid) != UX_SUCCESS)
    {

        /* If trace is enabled, insert this event into the trace buffer.  */
        UX_TRACE_IN_LINE_INSERT(UX_TRACE_ERROR, UX_HOST_CLASS_INSTANCE_UNKNOWN, hid, 0, 0, UX_TRACE_ERRORS, 0, 0)

        return(UX_HOST_CLASS_INSTANCE_UNKNOWN);
    }

    /* We need to get the default control endpoint transfer request pointer.  */
    control_endpoint =  &hid -> ux_host_class_hid_device -> ux_device_control_endpoint;
    transfer_request =  &control_endpoint -> ux_endpoint_transfer_request;

    /* Protect thread reentry to this instance.  */
    status =  _ux_host_semaphore_get(&hid -> ux_host_class_hid_semaphore, UX_WAIT_FOREVER);
    if (status != UX_SUCCESS)
        return(status);

    /* Protect the control endpoint semaphore here.  It will be unprotected in the
       transfer request function.  */
    status =  _ux_host_semaphore_get(&hid -> ux_host_class_hid_device -> ux_device_protection_semaphore, UX_WAIT_FOREVER);

    /* Check for status.  */
    if (status != UX_SUCCESS)
    {

        /* Something went wrong. */
        /* Unprotect thread reentry to this instance.  */
        _ux_host_semaphore_put(&hid -> ux_host_class_hid_semaphore);

        return(status);
    }

    /* Create a transfer request for the SET_IDLE request.  */
    transfer_request -> ux_transfer_request_data_pointer =      UX_NULL;
    transfer_request -> ux_transfer_request_requested_length =  0;
    transfer_request -> ux_transfer_request_function =          UX_HOST_CLASS_HID_SET_IDLE;
    transfer_request -> ux_transfer_request_type =              UX_REQUEST_OUT | UX_REQUEST_TYPE_CLASS | UX_REQUEST_TARGET_INTERFACE;
    transfer_request -> ux_transfer_request_value =             (UINT)((idle_time << 8) | report_id);
    transfer_request -> ux_transfer_request_index =             hid -> ux_host_class_hid_interface -> ux_interface_descriptor.bInterfaceNumber;

    /* Send request to HCD layer.  */
    status =  _ux_host_stack_transfer_request(transfer_request);

    /* Unprotect thread reentry to this instance.  */
    _ux_host_semaphore_put(&hid -> ux_host_class_hid_semaphore);

    /* Return the function status.  */
    return(status);
#endif
}

/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _uxe_host_class_hid_idle_set                        PORTABLE C      */
/*                                                           6.3.0        */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Chaoqiong Xiao, Microsoft Corporation                               */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function checks errors in HID IDLE set function call.          */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    hid                                   Pointer to HID class          */
/*    idle_time                             Idle time                     */
/*    report_id                             Report ID                     */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    Status                                                              */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _ux_host_class_hid_idle_set           Issue SET_IDLE to device      */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application                                                         */
/*                                                                        */
/**************************************************************************/
UINT  _uxe_host_class_hid_idle_set(UX_HOST_CLASS_HID *hid, USHORT idle_time, USHORT report_id)
{

    /* Sanity check.  */
    if (hid == UX_NULL)
        return(UX_INVALID_PARAMETER);

    /* Invoke IDLE set function.  */
    return(_ux_host_class_hid_idle_set(hid, idle_time, report_id));
}
