include/linux/regmap.h

392 struct regmap_config {  struct
393 	const char *name;
395 	int reg_bits;
396 	int reg_stride;
397 	int reg_shift;
398 	unsigned int reg_base;
399 	int pad_bits;
400 	int val_bits;
402 	bool (*writeable_reg)(struct device *dev, unsigned int reg);
403 	bool (*readable_reg)(struct device *dev, unsigned int reg);
404 	bool (*volatile_reg)(struct device *dev, unsigned int reg);
405 	bool (*precious_reg)(struct device *dev, unsigned int reg);
406 	bool (*writeable_noinc_reg)(struct device *dev, unsigned int reg);
407 	bool (*readable_noinc_reg)(struct device *dev, unsigned int reg);
409 	int (*reg_read)(void *context, unsigned int reg, unsigned int *val);
410 	int (*reg_write)(void *context, unsigned int reg, unsigned int val);
411 	int (*reg_update_bits)(void *context, unsigned int reg,
414 	int (*read)(void *context, const void *reg_buf, size_t reg_size,
416 	int (*write)(void *context, const void *data, size_t count);
417 	size_t max_raw_read;
418 	size_t max_raw_write;
420 	bool can_sleep;
422 	bool fast_io;
423 	bool io_port;
425 	bool disable_locking;
426 	regmap_lock lock;
427 	regmap_unlock unlock;
428 	void *lock_arg;
430 	unsigned int max_register;
431 	bool max_register_is_0;
432 	const struct regmap_access_table *wr_table;
433 	const struct regmap_access_table *rd_table;
434 	const struct regmap_access_table *volatile_table;
435 	const struct regmap_access_table *precious_table;
436 	const struct regmap_access_table *wr_noinc_table;
437 	const struct regmap_access_table *rd_noinc_table;
438 	const struct reg_default *reg_defaults;
439 	unsigned int num_reg_defaults;
440 	enum regcache_type cache_type;
441 	const void *reg_defaults_raw;
442 	unsigned int num_reg_defaults_raw;
444 	unsigned long read_flag_mask;
445 	unsigned long write_flag_mask;
446 	bool zero_flag_mask;
448 	bool use_single_read;
449 	bool use_single_write;
450 	bool use_relaxed_mmio;
451 	bool can_multi_write;
453 	bool use_hwlock;
454 	bool use_raw_spinlock;
455 	unsigned int hwlock_id;
456 	unsigned int hwlock_mode;
458 	enum regmap_endian reg_format_endian;
459 	enum regmap_endian val_format_endian;
461 	const struct regmap_range_cfg *ranges;
462 	unsigned int num_ranges;