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* DSP-BIOS Bridge driver support functions for TI OMAP processors.
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* Generic bitmap manager.
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* Copyright (C) 2005-2006 Texas Instruments, Inc.
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* This package is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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#define GB_NOBITS (~0)
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#include <dspbridge/host_os.h>
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* ======== gb_clear ========
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* Clear the bit in position bitn in the bitmap map. Bit positions are
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extern void gb_clear(struct gb_t_map *map, u32 bitn);
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* ======== gb_create ========
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* Create a bit map with len bits. Initially all bits are cleared.
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extern struct gb_t_map *gb_create(u32 len);
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* ======== gb_delete ========
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* Delete previously created bit map
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extern void gb_delete(struct gb_t_map *map);
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* ======== gb_findandset ========
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* Finds a clear bit, sets it, and returns the position
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extern u32 gb_findandset(struct gb_t_map *map);
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* ======== gb_minclear ========
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* gb_minclear returns the minimum clear bit position. If no bit is
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* clear, gb_minclear returns -1.
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extern u32 gb_minclear(struct gb_t_map *map);
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* ======== gb_set ========
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* Set the bit in position bitn in the bitmap map. Bit positions are
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extern void gb_set(struct gb_t_map *map, u32 bitn);
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* ======== gb_test ========
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* Returns TRUE if the bit in position bitn is set in map; otherwise
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* gb_test returns FALSE. Bit positions are zero based.
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extern bool gb_test(struct gb_t_map *map, u32 bitn);