xiuos5/resources/sdio/drv_sdio.c

68 lines
1.7 KiB
C

/*
* Copyright (c) 2020 AIIT XUOS Lab
* XiUOS is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
/**
* @file drv_sdio.c
* @brief register sdio drv function using bus driver framework
* @version 1.0
* @author AIIT XUOS Lab
* @date 2021-04-24
*/
#include <bus_sdio.h>
#include <dev_sdio.h>
static DoubleLinklistType sdiodrv_linklist;
/*Create the driver linklist*/
static void SdioDrvLinkInit()
{
InitDoubleLinkList(&sdiodrv_linklist);
}
DriverType SdioDriverFind(const char *drv_name)
{
NULL_PARAM_CHECK(drv_name);
struct Driver *driver = NONE;
DoubleLinklistType *node = NONE;
DoubleLinklistType *head = &sdiodrv_linklist;
for (node = head->node_next; node != head; node = node->node_next) {
driver = SYS_DOUBLE_LINKLIST_ENTRY(node, struct Driver, driver_link);
if (!strcmp(driver->drv_name, drv_name)) {
return driver;
}
}
KPrintf("SdioDriverFind cannot find the %s driver.return NULL\n", drv_name);
return NONE;
}
int SdioDriverRegister(struct Driver *driver)
{
NULL_PARAM_CHECK(driver);
x_err_t ret = EOK;
static x_bool DriverLinkFlag = RET_FALSE;
if (!DriverLinkFlag) {
SdioDrvLinkInit();
DriverLinkFlag = RET_TRUE;
}
DoubleLinkListInsertNodeAfter(&sdiodrv_linklist, &(driver->driver_link));
return ret;
}