drivers/core/regmap.c

69 	struct regmap *map;
70 	size_t size = sizeof(*map) + sizeof(map->ranges[0]) * count;
72 	map = calloc(1, size);
73 	if (!map)
75 	map->range_count = count;
76 	map->width = REGMAP_SIZE_32;
78 	return map;
86 	struct regmap *map;
88 	map = regmap_alloc(count);
89 	if (!map)
95 		for (range = map->ranges; count > 0;
103 		for (range = map->ranges; count > 0;
112 	*mapp = map;
119  * @node:     Device node that will use the map in question
171 	struct regmap *map;
189 	map = regmap_alloc(1);
190 	if (!map)
193 	ret = init_range(node, map->ranges, addr_len, size_len, index);
198 		map->endianness = REGMAP_LITTLE_ENDIAN;
200 		map->endianness = REGMAP_BIG_ENDIAN;
202 		map->endianness = REGMAP_NATIVE_ENDIAN;
204 		map->endianness = REGMAP_NATIVE_ENDIAN;
206 	*mapp = map;
210 	regmap_uninit(map);
218 	struct regmap *map;
221 	map = regmap_alloc(1);
222 	if (!map)
225 	range = &map->ranges[0];
230 		map->endianness = REGMAP_LITTLE_ENDIAN;
232 		map->endianness = REGMAP_BIG_ENDIAN;
234 		map->endianness = REGMAP_NATIVE_ENDIAN;
236 		map->endianness = REGMAP_NATIVE_ENDIAN;
238 	*mapp = map;
245 	struct regmap *map;
287 	map = regmap_alloc(count);
288 	if (!map)
291 	for (range = map->ranges, index = 0; count > 0;
299 		map->endianness = REGMAP_LITTLE_ENDIAN;
301 		map->endianness = REGMAP_BIG_ENDIAN;
303 		map->endianness = REGMAP_NATIVE_ENDIAN;
305 		map->endianness = REGMAP_NATIVE_ENDIAN;
307 	*mapp = map;
311 	regmap_uninit(map);
327 	struct regmap **mapp, *map;
343 	map = *mapp;
345 		map->width = config->width;
346 		map->reg_offset_shift = config->reg_offset_shift;
354 void *regmap_get_range(struct regmap *map, unsigned int range_num)
358 	if (range_num >= map->range_count)
360 	range = &map->ranges[range_num];
365 int regmap_uninit(struct regmap *map)
367 	free(map);
421 int regmap_raw_read_range(struct regmap *map, uint range_num, uint offset,
427 	if (do_range_check() && range_num >= map->range_count) {
432 	range = &map->ranges[range_num];
434 	offset <<= map->reg_offset_shift;
445 		*((u8 *)valp) = __read_8(ptr, map->endianness);
448 		*((u16 *)valp) = __read_16(ptr, map->endianness);
451 		*((u32 *)valp) = __read_32(ptr, map->endianness);
455 		*((u64 *)valp) = __read_64(ptr, map->endianness);
466 int regmap_raw_read(struct regmap *map, uint offset, void *valp, size_t val_len)
468 	return regmap_raw_read_range(map, 0, offset, valp, val_len);
471 int regmap_read(struct regmap *map, uint offset, uint *valp)
481 	res = regmap_raw_read(map, offset, &u, map->width);
485 	switch (map->width) {
561 int regmap_raw_write_range(struct regmap *map, uint range_num, uint offset,
567 	if (range_num >= map->range_count) {
572 	range = &map->ranges[range_num];
574 	offset <<= map->reg_offset_shift;
584 		__write_8(ptr, val, map->endianness);
587 		__write_16(ptr, val, map->endianness);
590 		__write_32(ptr, val, map->endianness);
594 		__write_64(ptr, val, map->endianness);
605 int regmap_raw_write(struct regmap *map, uint offset, const void *val,
608 	return regmap_raw_write_range(map, 0, offset, val, val_len);
611 int regmap_write(struct regmap *map, uint offset, uint val)
620 	switch (map->width) {
635 		      (size_t)map->width);
639 	return regmap_raw_write(map, offset, &u, map->width);
642 int regmap_update_bits(struct regmap *map, uint offset, uint mask, uint val)
647 	ret = regmap_read(map, offset, &reg);
653 	return regmap_write(map, offset, reg | (val & mask));