Maemo patchset 20101501+0m5

[h-e-n] / arch / arm / plat-omap / include / dspbridge / gb.h

diff --git a/arch/arm/plat-omap/include/dspbridge/gb.h b/arch/arm/plat-omap/include/dspbridge/gb.h
new file mode 100644 (file)
index 0000000..f147751
--- /dev/null
+++ b/arch/arm/plat-omap/include/dspbridge/gb.h
@@ -0,0 +1,85 @@
+/*
+ * gb.h
+ *
+ * DSP-BIOS Bridge driver support functions for TI OMAP processors.
+ *
+ * Copyright (C) 2005-2006 Texas Instruments, Inc.
+ *
+ * This package is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+/*
+ *  ======== gb.h ========
+ *  Generic bitmap manager.
+ *
+ *! Revision History
+ *! ================
+ */
+
+#ifndef GB_
+#define GB_
+
+#define GB_NOBITS (~0)
+#include <dspbridge/host_os.h>
+typedef s32 GB_BitNum;
+struct GB_TMap;
+
+/*
+ *  ======== GB_clear ========
+ *  Clear the bit in position bitn in the bitmap map.  Bit positions are
+ *  zero based.
+ */
+
+extern void GB_clear(struct GB_TMap *map, GB_BitNum bitn);
+
+/*
+ *  ======== GB_create ========
+ *  Create a bit map with len bits.  Initially all bits are cleared.
+ */
+
+extern struct GB_TMap *GB_create(GB_BitNum len);
+
+/*
+ *  ======== GB_delete ========
+ *  Delete previously created bit map
+ */
+
+extern void GB_delete(struct GB_TMap *map);
+
+/*
+ *  ======== GB_findandset ========
+ *  Finds a clear bit, sets it, and returns the position
+ */
+
+extern GB_BitNum GB_findandset(struct GB_TMap *map);
+
+/*
+ *  ======== GB_minclear ========
+ *  GB_minclear returns the minimum clear bit position.  If no bit is
+ *  clear, GB_minclear returns -1.
+ */
+extern GB_BitNum GB_minclear(struct GB_TMap *map);
+
+/*
+ *  ======== GB_set ========
+ *  Set the bit in position bitn in the bitmap map.  Bit positions are
+ *  zero based.
+ */
+
+extern void GB_set(struct GB_TMap *map, GB_BitNum bitn);
+
+/*
+ *  ======== GB_test ========
+ *  Returns TRUE if the bit in position bitn is set in map; otherwise
+ *  GB_test returns FALSE.  Bit positions are zero based.
+ */
+
+extern bool GB_test(struct GB_TMap *map, GB_BitNum bitn);
+
+#endif                         /*GB_ */