forked from xuos/xiuos
114 lines
3.1 KiB
C
114 lines
3.1 KiB
C
/*
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* Copyright (c) 2020 AIIT XUOS Lab
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* XiUOS is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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/**
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* @file dev_wdt.c
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* @brief register wdt dev function using bus driver framework
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* @version 1.0
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* @author AIIT XUOS Lab
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* @date 2021-04-24
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*/
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#include <bus_wdt.h>
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#include <dev_wdt.h>
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static DoubleLinklistType wdtdev_linklist;
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/*Create the wdt device linklist*/
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static void WdtDeviceLinkInit()
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{
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InitDoubleLinkList(&wdtdev_linklist);
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}
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HardwareDevType WdtDeviceFind(const char *dev_name)
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{
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NULL_PARAM_CHECK(dev_name);
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struct HardwareDev *device = NONE;
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DoubleLinklistType *node = NONE;
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DoubleLinklistType *head = &wdtdev_linklist;
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for (node = head->node_next; node != head; node = node->node_next) {
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device = SYS_DOUBLE_LINKLIST_ENTRY(node, struct HardwareDev, dev_link);
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if (!strcmp(device->dev_name, dev_name)) {
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return device;
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}
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}
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KPrintf("WdtDeviceFind cannot find the %s device.return NULL\n", dev_name);
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return NONE;
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}
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int WdtDeviceRegister(struct WdtHardwareDevice *wdt_device, const char *device_name)
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{
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NULL_PARAM_CHECK(wdt_device);
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NULL_PARAM_CHECK(device_name);
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x_err_t ret = EOK;
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static x_bool dev_link_flag = RET_FALSE;
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if (!dev_link_flag) {
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WdtDeviceLinkInit();
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dev_link_flag = RET_TRUE;
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}
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if (DEV_INSTALL != wdt_device->haldev.dev_state) {
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strncpy(wdt_device->haldev.dev_name, device_name, NAME_NUM_MAX);
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wdt_device->haldev.dev_type = TYPE_WDT_DEV;
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wdt_device->haldev.dev_state = DEV_INSTALL;
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wdt_device->haldev.dev_done = (struct HalDevDone *)wdt_device->dev_done;
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DoubleLinkListInsertNodeAfter(&wdtdev_linklist, &(wdt_device->haldev.dev_link));
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} else {
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KPrintf("WdtDeviceRegister device has been register state%u\n", wdt_device->haldev.dev_state);
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}
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return ret;
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}
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int WdtDeviceAttachToBus(const char *dev_name, const char *bus_name)
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{
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NULL_PARAM_CHECK(dev_name);
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NULL_PARAM_CHECK(bus_name);
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x_err_t ret = EOK;
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struct Bus *bus;
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struct HardwareDev *device;
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bus = BusFind(bus_name);
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if (NONE == bus) {
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KPrintf("WdtDeviceAttachToBus find wdt bus error!name %s\n", bus_name);
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return ERROR;
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}
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if (TYPE_WDT_BUS == bus->bus_type) {
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device = WdtDeviceFind(dev_name);
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if (NONE == device) {
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KPrintf("WdtDeviceAttachToBus find wdt device error!name %s\n", dev_name);
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return ERROR;
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}
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if (TYPE_WDT_DEV == device->dev_type) {
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ret = DeviceRegisterToBus(bus, device);
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if (EOK != ret) {
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KPrintf("WdtDeviceAttachToBus DeviceRegisterToBus error %u\n", ret);
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return ERROR;
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}
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}
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}
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return EOK;
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}
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