forked from Imagelibrary/rtems
42 lines
851 B
C
42 lines
851 B
C
/* Driver Manager optional dynamic function interface
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*
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* COPYRIGHT (c) 2011 Cobham Gaisler AB.
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#include <drvmgr/drvmgr.h>
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/* Get Function from Function ID */
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int drvmgr_func_get(void *obj, int funcid, void **func)
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{
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int objtype;
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struct drvmgr_func *f;
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if (!obj)
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return DRVMGR_FAIL;
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objtype = *(int *)obj;
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if (objtype == DRVMGR_OBJ_BUS)
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f = ((struct drvmgr_bus *)obj)->funcs;
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else if (objtype == DRVMGR_OBJ_DRV)
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f = ((struct drvmgr_drv *)obj)->funcs;
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else
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return DRVMGR_FAIL;
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if (f == NULL)
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return DRVMGR_FAIL;
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while (f->funcid != DRVMGR_FUNCID_NONE) {
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if (f->funcid == funcid) {
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*func = f->func;
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return DRVMGR_OK;
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}
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f++;
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}
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return DRVMGR_FAIL;
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}
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