116 lines
3.3 KiB
C
116 lines
3.3 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_rtc.c
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* @brief register rtc 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_rtc.h>
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#include <dev_rtc.h>
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static DoubleLinklistType rtcdev_linklist;
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/*Create the rtc device linklist*/
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static void RtcDeviceLinkInit()
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{
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InitDoubleLinkList(&rtcdev_linklist);
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}
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HardwareDevType RtcDeviceFind(const char *dev_name, enum DevType dev_type)
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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 = &rtcdev_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)) && (dev_type == device->dev_type)) {
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return device;
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}
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}
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KPrintf("RtcDeviceFind 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 RtcDeviceRegister(struct RtcHardwareDevice *rtc_device, void *rtc_param, const char *device_name)
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{
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NULL_PARAM_CHECK(rtc_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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RtcDeviceLinkInit();
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dev_link_flag = RET_TRUE;
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}
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if (DEV_INSTALL != rtc_device->haldev.dev_state) {
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strncpy(rtc_device->haldev.dev_name, device_name, NAME_NUM_MAX);
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rtc_device->haldev.dev_type = TYPE_RTC_DEV;
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rtc_device->haldev.dev_state = DEV_INSTALL;
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rtc_device->haldev.dev_done = (struct HalDevDone *)rtc_device->dev_done;
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rtc_device->haldev.private_data = rtc_param;
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DoubleLinkListInsertNodeAfter(&rtcdev_linklist, &(rtc_device->haldev.dev_link));
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} else {
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KPrintf("RtcDeviceRegister device has been register state%u\n", rtc_device->haldev.dev_state);
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}
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return ret;
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}
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int RtcDeviceAttachToBus(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("RtcDeviceAttachToBus find rtc bus error!name %s\n", bus_name);
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return ERROR;
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}
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if (TYPE_RTC_BUS == bus->bus_type) {
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device = RtcDeviceFind(dev_name, TYPE_RTC_DEV);
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if (NONE == device) {
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KPrintf("RtcDeviceAttachToBus find rtc device error!name %s\n", dev_name);
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return ERROR;
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}
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if (TYPE_RTC_DEV == device->dev_type) {
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ret = DeviceRegisterToBus(bus, device);
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if (EOK != ret) {
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KPrintf("RtcDeviceAttachToBus 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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