staging: tidspbridge: remove gb bitmap implementation
Now that all users of gb have been converted to the standard linux bitmap API, we can remove it from the gen library. Signed-off-by: Ionut Nicu <ionut.nicu@mindbit.ro> Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>
This commit is contained in:
Ionut Nicu
Omar Ramirez Luna
parent
b5a38abad0
commit
6d7e925b88
3 changed files with 1 additions and 245 deletions
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@ -1,6 +1,6 @@
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obj-$(CONFIG_TIDSPBRIDGE) += bridgedriver.o
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obj-$(CONFIG_TIDSPBRIDGE) += bridgedriver.o
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libgen = gen/gb.o gen/gh.o gen/uuidutil.o
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libgen = gen/gh.o gen/uuidutil.o
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libcore = core/chnl_sm.o core/msg_sm.o core/io_sm.o core/tiomap3430.o \
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libcore = core/chnl_sm.o core/msg_sm.o core/io_sm.o core/tiomap3430.o \
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core/tiomap3430_pwr.o core/tiomap_io.o \
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core/tiomap3430_pwr.o core/tiomap_io.o \
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core/ue_deh.o core/wdt.o core/dsp-clock.o core/sync.o
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core/ue_deh.o core/wdt.o core/dsp-clock.o core/sync.o
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@ -1,165 +0,0 @@
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/*
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* gb.c
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*
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* DSP-BIOS Bridge driver support functions for TI OMAP processors.
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*
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* Generic bitmap operations.
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*
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* Copyright (C) 2005-2006 Texas Instruments, Inc.
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*
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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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*
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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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*/
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/* ----------------------------------- DSP/BIOS Bridge */
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#include <linux/types.h>
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/* ----------------------------------- This */
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#include <dspbridge/gb.h>
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struct gb_t_map {
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u32 len;
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u32 wcnt;
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u32 *words;
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};
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/*
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* ======== gb_clear ========
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* purpose:
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* Clears a bit in the bit map.
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*/
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void gb_clear(struct gb_t_map *map, u32 bitn)
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{
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u32 mask;
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mask = 1L << (bitn % BITS_PER_LONG);
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map->words[bitn / BITS_PER_LONG] &= ~mask;
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}
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/*
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* ======== gb_create ========
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* purpose:
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* Creates a bit map.
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*/
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struct gb_t_map *gb_create(u32 len)
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{
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struct gb_t_map *map;
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u32 i;
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map = kzalloc(sizeof(struct gb_t_map), GFP_KERNEL);
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if (map != NULL) {
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map->len = len;
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map->wcnt = len / BITS_PER_LONG + 1;
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map->words = kzalloc(map->wcnt * sizeof(u32), GFP_KERNEL);
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if (map->words != NULL) {
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for (i = 0; i < map->wcnt; i++)
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map->words[i] = 0L;
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} else {
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kfree(map);
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map = NULL;
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}
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}
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return map;
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}
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/*
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* ======== gb_delete ========
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* purpose:
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* Frees a bit map.
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*/
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void gb_delete(struct gb_t_map *map)
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{
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kfree(map->words);
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kfree(map);
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}
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/*
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* ======== gb_findandset ========
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* purpose:
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* Finds a free bit and sets it.
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*/
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u32 gb_findandset(struct gb_t_map *map)
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{
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u32 bitn;
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bitn = gb_minclear(map);
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if (bitn != GB_NOBITS)
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gb_set(map, bitn);
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return bitn;
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}
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/*
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* ======== gb_minclear ========
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* purpose:
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* returns the location of the first unset bit in the bit map.
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*/
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u32 gb_minclear(struct gb_t_map *map)
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{
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u32 bit_location = 0;
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u32 bit_acc = 0;
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u32 i;
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u32 bit;
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u32 *word;
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for (word = map->words, i = 0; i < map->wcnt; word++, i++) {
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if (~*word) {
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for (bit = 0; bit < BITS_PER_LONG; bit++, bit_acc++) {
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if (bit_acc == map->len)
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return GB_NOBITS;
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if (~*word & (1L << bit)) {
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bit_location = i * BITS_PER_LONG + bit;
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return bit_location;
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}
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}
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} else {
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bit_acc += BITS_PER_LONG;
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}
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}
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return GB_NOBITS;
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}
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/*
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* ======== gb_set ========
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* purpose:
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* Sets a bit in the bit map.
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*/
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void gb_set(struct gb_t_map *map, u32 bitn)
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{
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u32 mask;
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mask = 1L << (bitn % BITS_PER_LONG);
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map->words[bitn / BITS_PER_LONG] |= mask;
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}
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/*
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* ======== gb_test ========
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* purpose:
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* Returns true if the bit is set in the specified location.
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*/
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bool gb_test(struct gb_t_map *map, u32 bitn)
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{
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bool state;
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u32 mask;
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u32 word;
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mask = 1L << (bitn % BITS_PER_LONG);
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word = map->words[bitn / BITS_PER_LONG];
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state = word & mask ? true : false;
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return state;
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}
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/*
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* gb.h
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*
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* DSP-BIOS Bridge driver support functions for TI OMAP processors.
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*
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* Generic bitmap manager.
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*
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* Copyright (C) 2005-2006 Texas Instruments, Inc.
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*
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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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*
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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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*/
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#ifndef GB_
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#define GB_
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#define GB_NOBITS (~0)
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#include <dspbridge/host_os.h>
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struct gb_t_map;
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/*
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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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* zero based.
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*/
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extern void gb_clear(struct gb_t_map *map, u32 bitn);
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/*
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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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*/
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extern struct gb_t_map *gb_create(u32 len);
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/*
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* ======== gb_delete ========
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* Delete previously created bit map
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*/
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extern void gb_delete(struct gb_t_map *map);
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/*
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* ======== gb_findandset ========
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* Finds a clear bit, sets it, and returns the position
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*/
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extern u32 gb_findandset(struct gb_t_map *map);
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/*
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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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*/
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extern u32 gb_minclear(struct gb_t_map *map);
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/*
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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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* zero based.
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*/
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extern void gb_set(struct gb_t_map *map, u32 bitn);
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/*
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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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*/
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extern bool gb_test(struct gb_t_map *map, u32 bitn);
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#endif /*GB_ */
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