include/linux/mfd/da9055/core.h

Source file repositories/reference/linux-study-clean/include/linux/mfd/da9055/core.h

File Facts

System
Linux kernel
Corpus path
include/linux/mfd/da9055/core.h
Extension
.h
Size
1835 bytes
Lines
81
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct da9055 {
	struct regmap *regmap;
	struct regmap_irq_chip_data *irq_data;
	struct device *dev;
	struct i2c_client *i2c_client;

	int irq_base;
	int chip_irq;
};

/* Device I/O */
static inline int da9055_reg_read(struct da9055 *da9055, unsigned char reg)
{
	int val, ret;

	ret = regmap_read(da9055->regmap, reg, &val);
	if (ret < 0)
		return ret;

	return val;
}

static inline int da9055_reg_write(struct da9055 *da9055, unsigned char reg,
				    unsigned char val)
{
	return regmap_write(da9055->regmap, reg, val);
}

static inline int da9055_group_read(struct da9055 *da9055, unsigned char reg,
				     unsigned reg_cnt, unsigned char *val)
{
	return regmap_bulk_read(da9055->regmap, reg, val, reg_cnt);
}

static inline int da9055_group_write(struct da9055 *da9055, unsigned char reg,
				      unsigned reg_cnt, unsigned char *val)
{
	return regmap_raw_write(da9055->regmap, reg, val, reg_cnt);
}

static inline int da9055_reg_update(struct da9055 *da9055, unsigned char reg,
				     unsigned char bit_mask,
				     unsigned char reg_val)
{
	return regmap_update_bits(da9055->regmap, reg, bit_mask, reg_val);
}

/* Generic Device API */
int da9055_device_init(struct da9055 *da9055);
void da9055_device_exit(struct da9055 *da9055);

extern const struct regmap_config da9055_regmap_config;

#endif /* __DA9055_CORE_H */

Annotation

Implementation Notes