include/linux/regmap.h

388 struct regmap_config {  struct
389 	const char *name;
391 	int reg_bits;
392 	int reg_stride;
393 	int reg_shift;
394 	unsigned int reg_base;
395 	int pad_bits;
396 	int val_bits;
398 	bool (*writeable_reg)(struct device *dev, unsigned int reg);
399 	bool (*readable_reg)(struct device *dev, unsigned int reg);
400 	bool (*volatile_reg)(struct device *dev, unsigned int reg);
401 	bool (*precious_reg)(struct device *dev, unsigned int reg);
402 	bool (*writeable_noinc_reg)(struct device *dev, unsigned int reg);
403 	bool (*readable_noinc_reg)(struct device *dev, unsigned int reg);
405 	bool disable_locking;
406 	regmap_lock lock;
407 	regmap_unlock unlock;
408 	void *lock_arg;
410 	int (*reg_read)(void *context, unsigned int reg, unsigned int *val);
411 	int (*reg_write)(void *context, unsigned int reg, unsigned int val);
412 	int (*reg_update_bits)(void *context, unsigned int reg,
415 	int (*read)(void *context, const void *reg_buf, size_t reg_size,
417 	int (*write)(void *context, const void *data, size_t count);
418 	size_t max_raw_read;
419 	size_t max_raw_write;
421 	bool fast_io;
422 	bool io_port;
424 	unsigned int max_register;
425 	const struct regmap_access_table *wr_table;
426 	const struct regmap_access_table *rd_table;
427 	const struct regmap_access_table *volatile_table;
428 	const struct regmap_access_table *precious_table;
429 	const struct regmap_access_table *wr_noinc_table;
430 	const struct regmap_access_table *rd_noinc_table;
431 	const struct reg_default *reg_defaults;
432 	unsigned int num_reg_defaults;
433 	enum regcache_type cache_type;
434 	const void *reg_defaults_raw;
435 	unsigned int num_reg_defaults_raw;
437 	unsigned long read_flag_mask;
438 	unsigned long write_flag_mask;
439 	bool zero_flag_mask;
441 	bool use_single_read;
442 	bool use_single_write;
443 	bool use_relaxed_mmio;
444 	bool can_multi_write;
446 	enum regmap_endian reg_format_endian;
447 	enum regmap_endian val_format_endian;
449 	const struct regmap_range_cfg *ranges;
450 	unsigned int num_ranges;
452 	bool use_hwlock;
453 	bool use_raw_spinlock;
454 	unsigned int hwlock_id;
455 	unsigned int hwlock_mode;
457 	bool can_sleep;