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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 */
/** */
/** Asix Class */
/** */
/**************************************************************************/
/**************************************************************************/
/* Include necessary system files. */
#define UX_SOURCE_CODE
#include "ux_api.h"
#include "ux_host_class_asix.h"
#include "ux_host_stack.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_host_class_asix_activate PORTABLE C */
/* 6.3.0 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function creates the asix instance, configure the device. */
/* WARNING !!!! The NX_PHYSICAL_HEADER should be set to 20 in nx_api.h */
/* */
/* INPUT */
/* */
/* command Asix class command pointer */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_host_class_asix_configure Configure asix class */
/* _ux_host_class_asix_endpoints_get Get endpoints of asix */
/* _ux_host_class_asix_setup Set up asix */
/* _ux_host_stack_class_instance_create Create class instance */
/* _ux_host_stack_class_instance_destroy Destroy the class instance */
/* _ux_host_stack_transfer_request Transfer request */
/* _ux_utility_memory_allocate Allocate memory block */
/* _ux_utility_memory_free Free memory block */
/* _ux_host_semaphore_create Create semaphore */
/* _ux_host_semaphore_delete Delete semaphore */
/* _ux_utility_thread_create Create thread */
/* _ux_utility_thread_delete Delete thread */
/* nx_packet_pool_create Create NetX packet pool */
/* */
/* CALLED BY */
/* */
/* _ux_host_class_asix_entry Entry of asix class */
/* */
/**************************************************************************/
UINT _ux_host_class_asix_activate(UX_HOST_CLASS_COMMAND *command)
{
#if (NX_PHYSICAL_HEADER < 20) || defined(UX_HOST_STANDALONE)
UX_PARAMETER_NOT_USED(command);
/* Function not supported due to NX lib settings/standalone mode. */
_ux_system_error_handler(UX_SYSTEM_LEVEL_THREAD, UX_SYSTEM_CONTEXT_CLASS, UX_FUNCTION_NOT_SUPPORTED);
return(UX_FUNCTION_NOT_SUPPORTED);
#else
UX_DEVICE *device;
UX_HOST_CLASS_ASIX *asix;
UINT status;
UX_TRANSFER *transfer_request;
ULONG physical_address_msw;
ULONG physical_address_lsw;
/* We need to make sure that the value of the NX_PHYSICAL_HEADER is at least 20.
This should be changed in the nx_user.h file */
/* The asix class is always activated by the device descriptor. */
device = (UX_DEVICE *) command -> ux_host_class_command_container;
/* Obtain memory for this class instance. */
asix = _ux_utility_memory_allocate(UX_NO_ALIGN, UX_CACHE_SAFE_MEMORY, sizeof(UX_HOST_CLASS_ASIX));
if (asix == UX_NULL)
return(UX_MEMORY_INSUFFICIENT);
/* Store the class container into this instance. */
asix -> ux_host_class_asix_class = command -> ux_host_class_command_class_ptr;
/* Store the device container into the asix class instance. */
asix -> ux_host_class_asix_device = device;
/* Store the instance in the device container, this is for the USBX stack
when it needs to invoke the class for deactivation. */
device -> ux_device_class_instance = (VOID *) asix;
/* Create this class instance. */
_ux_host_stack_class_instance_create(asix -> ux_host_class_asix_class, (VOID *) asix);
/* Configure the asix class. */
status = _ux_host_class_asix_configure(asix);
/* Get the asix endpoint(s). We need to search for Bulk Out and Bulk In endpoints
and the interrupt endpoint. */
if (status == UX_SUCCESS)
status = _ux_host_class_asix_endpoints_get(asix);
/* Create the semaphore to protect 2 threads from accessing the same asix instance. */
if (status == UX_SUCCESS)
{
status = _ux_host_semaphore_create(&asix -> ux_host_class_asix_semaphore, "ux_host_class_asix_semaphore", 1);
if (status != UX_SUCCESS)
status = UX_SEMAPHORE_ERROR;
}
/* Create the semaphore to wake up the Asix thread. */
if(status == UX_SUCCESS)
{
status = _ux_host_semaphore_create(&asix -> ux_host_class_asix_interrupt_notification_semaphore, "ux_host_class_asix_interrupt_notification_semaphore", 0);
if (status != UX_SUCCESS)
status = UX_SEMAPHORE_ERROR;
}
/* Allocate a Thread stack. */
if (status == UX_SUCCESS)
{
asix -> ux_host_class_asix_thread_stack =
_ux_utility_memory_allocate(UX_NO_ALIGN, UX_REGULAR_MEMORY, UX_THREAD_STACK_SIZE);
/* Check the completion status. */
if (asix -> ux_host_class_asix_thread_stack == UX_NULL)
status = UX_MEMORY_INSUFFICIENT;
}
/* Create the asix class thread. */
if (status == UX_SUCCESS)
{
status = _ux_utility_thread_create(&asix -> ux_host_class_asix_thread,
"ux_asix_thread", _ux_host_class_asix_thread,
(ULONG) asix,
asix -> ux_host_class_asix_thread_stack,
UX_THREAD_STACK_SIZE,
UX_THREAD_PRIORITY_CLASS,
UX_THREAD_PRIORITY_CLASS,
UX_NO_TIME_SLICE, UX_AUTO_START);
/* Check the completion status. */
if (status != UX_SUCCESS)
status = UX_THREAD_ERROR;
}
UX_THREAD_EXTENSION_PTR_SET(&(asix -> ux_host_class_asix_thread), asix)
/* The asix chip needs to be setup properly. */
if (status == UX_SUCCESS)
status = _ux_host_class_asix_setup(asix);
/* Go on if there is no error. */
if (status == UX_SUCCESS)
{
/* The ethernet link is down by default. */
asix -> ux_host_class_asix_link_state = UX_HOST_CLASS_ASIX_LINK_STATE_DOWN;
/* Start the interrupt pipe now. */
transfer_request = &asix -> ux_host_class_asix_interrupt_endpoint -> ux_endpoint_transfer_request;
status = _ux_host_stack_transfer_request(transfer_request);
}
/* Allocate some memory for reception. */
if (status == UX_SUCCESS)
{
asix -> ux_host_class_asix_receive_buffer = _ux_utility_memory_allocate(UX_SAFE_ALIGN, UX_CACHE_SAFE_MEMORY, UX_HOST_CLASS_ASIX_RECEIVE_BUFFER_SIZE);
if (asix -> ux_host_class_asix_receive_buffer == UX_NULL)
status = UX_MEMORY_INSUFFICIENT;
}
/* Activate network driver. */
if (status == UX_SUCCESS)
{
/* Setup the physical address of this IP instance. */
physical_address_msw = (ULONG)((asix -> ux_host_class_asix_node_id[0] << 8) | (asix -> ux_host_class_asix_node_id[1]));
physical_address_lsw = (ULONG)((asix -> ux_host_class_asix_node_id[2] << 24) | (asix -> ux_host_class_asix_node_id[3] << 16) |
(asix -> ux_host_class_asix_node_id[4] << 8) | (asix -> ux_host_class_asix_node_id[5]));
/* Register this interface to the NetX USB interface broker. */
status = _ux_network_driver_activate((VOID *) asix, _ux_host_class_asix_write,
&asix -> ux_host_class_asix_network_handle,
physical_address_msw,
physical_address_lsw);
}
/* Do final things if success. */
if (status == UX_SUCCESS)
{
/* Mark the asix instance as live now. */
asix -> ux_host_class_asix_state = UX_HOST_CLASS_INSTANCE_LIVE;
/* If all is fine and the device is mounted, we need to inform the application
if a function has been programmed in the system structure. */
if (_ux_system_host -> ux_system_host_change_function != UX_NULL)
{
/* Call system change function. */
_ux_system_host -> ux_system_host_change_function(UX_DEVICE_INSERTION, asix -> ux_host_class_asix_class, (VOID *) asix);
}
/* If trace is enabled, insert this event into the trace buffer. */
UX_TRACE_IN_LINE_INSERT(UX_TRACE_HOST_CLASS_ASIX_ACTIVATE, asix, 0, 0, 0, UX_TRACE_HOST_CLASS_EVENTS, 0, 0)
/* If trace is enabled, register this object. */
UX_TRACE_OBJECT_REGISTER(UX_TRACE_HOST_OBJECT_TYPE_INTERFACE, asix, 0, 0, 0)
/* Return completion status. */
return(UX_SUCCESS);
}
/* There was a problem, so free the resources. */
/* Free asix -> ux_host_class_asix_receive_buffer. */
if (asix -> ux_host_class_asix_receive_buffer)
_ux_utility_memory_free(asix -> ux_host_class_asix_receive_buffer);
/* Free asix -> ux_host_class_asix_thread. */
if (_ux_host_thread_created(&asix -> ux_host_class_asix_thread))
_ux_utility_thread_delete(&asix -> ux_host_class_asix_thread);
/* Free asix -> ux_host_class_asix_thread_stack. */
if (asix -> ux_host_class_asix_thread_stack)
_ux_utility_memory_free(asix -> ux_host_class_asix_thread_stack);
/* Free asix -> ux_host_class_asix_interrupt_notification_semaphore. */
if (_ux_host_semaphore_created(&asix -> ux_host_class_asix_interrupt_notification_semaphore))
_ux_host_semaphore_delete(&asix -> ux_host_class_asix_interrupt_notification_semaphore);
/* Free asix -> ux_host_class_asix_semaphore. */
if (_ux_host_semaphore_created(&asix -> ux_host_class_asix_semaphore))
_ux_host_semaphore_delete(&asix -> ux_host_class_asix_semaphore);
/* Destroy class instance. */
_ux_host_stack_class_instance_destroy(asix -> ux_host_class_asix_class, (VOID *) asix);
/* Detach instance. */
device -> ux_device_class_instance = UX_NULL;
/* Free instance memory. */
_ux_utility_memory_free(asix);
/* Return completion status. */
return(status);
#endif
}
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