19 static int regcache_lzo_exit(struct regmap *map);
33 static int regcache_lzo_block_count(struct regmap *map)  in regcache_lzo_block_count()  argument
72 static int regcache_lzo_compress_cache_block(struct regmap *map,  in regcache_lzo_compress_cache_block()  argument
90 static int regcache_lzo_decompress_cache_block(struct regmap *map,  in regcache_lzo_decompress_cache_block()  argument
108 static inline int regcache_lzo_get_blkindex(struct regmap *map,  in regcache_lzo_get_blkindex()  argument
111 	return ((reg / map->reg_stride) * map->cache_word_size) /  in regcache_lzo_get_blkindex()
112 		DIV_ROUND_UP(map->cache_size_raw,  in regcache_lzo_get_blkindex()
113 			     regcache_lzo_block_count(map));  in regcache_lzo_get_blkindex()
116 static inline int regcache_lzo_get_blkpos(struct regmap *map,  in regcache_lzo_get_blkpos()  argument
119 	return (reg / map->reg_stride) %  in regcache_lzo_get_blkpos()
120 		    (DIV_ROUND_UP(map->cache_size_raw,  in regcache_lzo_get_blkpos()
121 				  regcache_lzo_block_count(map)) /  in regcache_lzo_get_blkpos()
122 		     map->cache_word_size);  in regcache_lzo_get_blkpos()
125 static inline int regcache_lzo_get_blksize(struct regmap *map)  in regcache_lzo_get_blksize()  argument
127 	return DIV_ROUND_UP(map->cache_size_raw,  in regcache_lzo_get_blksize()
128 			    regcache_lzo_block_count(map));  in regcache_lzo_get_blksize()
131 static int regcache_lzo_init(struct regmap *map)  in regcache_lzo_init()  argument
141 	blkcount = regcache_lzo_block_count(map);  in regcache_lzo_init()
142 	map->cache = kzalloc(blkcount * sizeof *lzo_blocks,  in regcache_lzo_init()
144 	if (!map->cache)  in regcache_lzo_init()
146 	lzo_blocks = map->cache;  in regcache_lzo_init()
154 	bmp_size = map->num_reg_defaults_raw;  in regcache_lzo_init()
180 	blksize = regcache_lzo_get_blksize(map);  in regcache_lzo_init()
181 	p = map->reg_defaults_raw;  in regcache_lzo_init()
182 	end = map->reg_defaults_raw + map->cache_size_raw;  in regcache_lzo_init()
190 		ret = regcache_lzo_compress_cache_block(map,  in regcache_lzo_init()
200 	regcache_lzo_exit(map);  in regcache_lzo_init()
204 static int regcache_lzo_exit(struct regmap *map)  in regcache_lzo_exit()  argument
209 	lzo_blocks = map->cache;  in regcache_lzo_exit()
213 	blkcount = regcache_lzo_block_count(map);  in regcache_lzo_exit()
230 	map->cache = NULL;  in regcache_lzo_exit()
234 static int regcache_lzo_read(struct regmap *map,  in regcache_lzo_read()  argument
243 	blkindex = regcache_lzo_get_blkindex(map, reg);  in regcache_lzo_read()
245 	blkpos = regcache_lzo_get_blkpos(map, reg);  in regcache_lzo_read()
247 	blksize = regcache_lzo_get_blksize(map);  in regcache_lzo_read()
248 	lzo_blocks = map->cache;  in regcache_lzo_read()
260 	ret = regcache_lzo_decompress_cache_block(map, lzo_block);  in regcache_lzo_read()
263 		*value = regcache_get_val(map, lzo_block->dst, blkpos);  in regcache_lzo_read()
273 static int regcache_lzo_write(struct regmap *map,  in regcache_lzo_write()  argument
282 	blkindex = regcache_lzo_get_blkindex(map, reg);  in regcache_lzo_write()
284 	blkpos = regcache_lzo_get_blkpos(map, reg);  in regcache_lzo_write()
286 	blksize = regcache_lzo_get_blksize(map);  in regcache_lzo_write()
287 	lzo_blocks = map->cache;  in regcache_lzo_write()
299 	ret = regcache_lzo_decompress_cache_block(map, lzo_block);  in regcache_lzo_write()
306 	if (regcache_set_val(map, lzo_block->dst, blkpos, value)) {  in regcache_lzo_write()
316 	ret = regcache_lzo_compress_cache_block(map, lzo_block);  in regcache_lzo_write()
324 	set_bit(reg / map->reg_stride, lzo_block->sync_bmp);  in regcache_lzo_write()
334 static int regcache_lzo_sync(struct regmap *map, unsigned int min,  in regcache_lzo_sync()  argument
342 	lzo_blocks = map->cache;  in regcache_lzo_sync()
349 		ret = regcache_read(map, i, &val);  in regcache_lzo_sync()
354 		ret = regcache_lookup_reg(map, i);  in regcache_lzo_sync()
355 		if (ret > 0 && val == map->reg_defaults[ret].def)  in regcache_lzo_sync()
358 		map->cache_bypass = 1;  in regcache_lzo_sync()
359 		ret = _regmap_write(map, i, val);  in regcache_lzo_sync()
360 		map->cache_bypass = 0;  in regcache_lzo_sync()
363 		dev_dbg(map->dev, "Synced register %#x, value %#x\n",  in regcache_lzo_sync()