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122 lines
3.7 KiB
C
122 lines
3.7 KiB
C
/**
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* @file usb_workq.c
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* @brief
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*
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* Copyright (c) 2022 sakumisu
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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*/
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#include "usb_list.h"
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#include "usb_osal.h"
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#include "usb_workq.h"
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#include "usb_config.h"
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void usb_workqueue_submit(struct usb_workqueue *queue, struct usb_work *work, usb_worker_t worker, void *arg, uint32_t ticks)
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{
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size_t flags;
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flags = usb_osal_enter_critical_section();
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usb_dlist_remove(&work->list);
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work->worker = worker;
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work->arg = arg;
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if (ticks == 0) {
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usb_dlist_insert_after(&queue->work_list, &work->list);
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usb_osal_sem_give(queue->sem);
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}
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usb_osal_leave_critical_section(flags);
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}
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struct usb_workqueue g_hpworkq = { NULL };
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struct usb_workqueue g_lpworkq = { NULL };
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#ifdef CONFIG_USBHOST_HIGH_WORKQ
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static void usbh_hpwork_thread(void *argument)
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{
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struct usb_work *work;
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size_t flags;
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int ret;
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struct usb_workqueue *queue = (struct usb_workqueue *)argument;
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while (1) {
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ret = usb_osal_sem_take(queue->sem, 0xffffffff);
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if (ret < 0) {
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continue;
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}
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flags = usb_osal_enter_critical_section();
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if (usb_dlist_isempty(&queue->work_list)) {
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usb_osal_leave_critical_section(flags);
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continue;
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}
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work = usb_dlist_first_entry(&queue->work_list, struct usb_work, list);
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usb_dlist_remove(&work->list);
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usb_osal_leave_critical_section(flags);
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work->worker(work->arg);
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}
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}
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#endif
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#ifdef CONFIG_USBHOST_LOW_WORKQ
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static void usbh_lpwork_thread(void *argument)
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{
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struct usb_work *work;
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size_t flags;
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int ret;
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struct usb_workqueue *queue = (struct usb_workqueue *)argument;
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while (1) {
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ret = usb_osal_sem_take(queue->sem, 0xffffffff);
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if (ret < 0) {
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continue;
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}
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flags = usb_osal_enter_critical_section();
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if (usb_dlist_isempty(&queue->work_list)) {
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usb_osal_leave_critical_section(flags);
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continue;
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}
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work = usb_dlist_first_entry(&queue->work_list, struct usb_work, list);
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usb_dlist_remove(&work->list);
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usb_osal_leave_critical_section(flags);
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work->worker(work->arg);
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}
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}
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#endif
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int usbh_workq_initialize(void)
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{
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#ifdef CONFIG_USBHOST_HIGH_WORKQ
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g_hpworkq.sem = usb_osal_sem_create(0);
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if (g_hpworkq.sem == NULL) {
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return -1;
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}
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g_hpworkq.thread = usb_osal_thread_create("usbh_hpworkq", CONFIG_USBHOST_HPWORKQ_STACKSIZE, CONFIG_USBHOST_HPWORKQ_PRIO, usbh_hpwork_thread, &g_hpworkq);
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if (g_hpworkq.thread == NULL) {
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return -1;
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}
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#endif
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#ifdef CONFIG_USBHOST_LOW_WORKQ
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g_lpworkq.sem = usb_osal_sem_create(0);
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if (g_lpworkq.sem == NULL) {
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return -1;
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}
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g_lpworkq.thread = usb_osal_thread_create("usbh_lpworkq", CONFIG_USBHOST_LPWORKQ_STACKSIZE, CONFIG_USBHOST_LPWORKQ_PRIO, usbh_lpwork_thread, &g_lpworkq);
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if (g_lpworkq.thread == NULL) {
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return -1;
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}
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#endif
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return 0;
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}
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