/* SPDX-License-Identifier: BSD-2-Clause */
/* Driver Manager optional dynamic function interface
*
* COPYRIGHT (c) 2011 Cobham Gaisler AB.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <drvmgr/drvmgr.h>
/* Get Function from Function ID */
int drvmgr_func_get(void *obj, int funcid, void **func)
{
int objtype;
struct drvmgr_func *f;
if (!obj)
return DRVMGR_FAIL;
objtype = *(int *)obj;
if (objtype == DRVMGR_OBJ_BUS)
f = ((struct drvmgr_bus *)obj)->funcs;
else if (objtype == DRVMGR_OBJ_DRV)
f = ((struct drvmgr_drv *)obj)->funcs;
else
return DRVMGR_FAIL;
if (f == NULL)
return DRVMGR_FAIL;
while (f->funcid != DRVMGR_FUNCID_NONE) {
if (f->funcid == funcid) {
*func = f->func;
return DRVMGR_OK;
}
f++;
}
return DRVMGR_FAIL;
}
