include/linux/mfd/rc5t583.h

Source file repositories/reference/linux-study-clean/include/linux/mfd/rc5t583.h

File Facts

System
Linux kernel
Corpus path
include/linux/mfd/rc5t583.h
Extension
.h
Size
9501 bytes
Lines
370
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 rc5t583 {
	struct device	*dev;
	struct regmap	*regmap;
	int		chip_irq;
	int		irq_base;
	struct mutex	irq_lock;
	unsigned long	group_irq_en[MAX_MAIN_INTERRUPT];

	/* For main interrupt bits in INTC */
	uint8_t		intc_inten_reg;

	/* For group interrupt bits and address */
	uint8_t		irq_en_reg[RC5T583_MAX_INTERRUPT_EN_REGS];

	/* For gpio edge */
	uint8_t		gpedge_reg[RC5T583_MAX_GPEDGE_REG];
};

/*
 * rc5t583_platform_data: Platform data for ricoh rc5t583 pmu.
 * The board specific data is provided through this structure.
 * @irq_base: Irq base number on which this device registers their interrupts.
 * @gpio_base: GPIO base from which gpio of this device will start.
 * @enable_shutdown: Enable shutdown through the input pin "shutdown".
 * @regulator_deepsleep_slot: The slot number on which device goes to sleep
 *		in device sleep mode.
 * @regulator_ext_pwr_control: External power request regulator control. The
 *		regulator output enable/disable is controlled by the external
 *		power request input state.
 * @reg_init_data: Regulator init data.
 */

struct rc5t583_platform_data {
	int		irq_base;
	int		gpio_base;
	bool		enable_shutdown;
	int		regulator_deepsleep_slot[RC5T583_REGULATOR_MAX];
	unsigned long	regulator_ext_pwr_control[RC5T583_REGULATOR_MAX];
	struct regulator_init_data *reg_init_data[RC5T583_REGULATOR_MAX];
};

static inline int rc5t583_write(struct device *dev, uint8_t reg, uint8_t val)
{
	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
	return regmap_write(rc5t583->regmap, reg, val);
}

static inline int rc5t583_read(struct device *dev, uint8_t reg, uint8_t *val)
{
	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
	unsigned int ival;
	int ret;
	ret = regmap_read(rc5t583->regmap, reg, &ival);
	if (!ret)
		*val = (uint8_t)ival;
	return ret;
}

static inline int rc5t583_set_bits(struct device *dev, unsigned int reg,
			unsigned int bit_mask)
{
	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
	return regmap_update_bits(rc5t583->regmap, reg, bit_mask, bit_mask);
}

static inline int rc5t583_clear_bits(struct device *dev, unsigned int reg,
			unsigned int bit_mask)
{
	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
	return regmap_update_bits(rc5t583->regmap, reg, bit_mask, 0);
}

static inline int rc5t583_update(struct device *dev, unsigned int reg,
		unsigned int val, unsigned int mask)
{
	struct rc5t583 *rc5t583 = dev_get_drvdata(dev);
	return regmap_update_bits(rc5t583->regmap, reg, mask, val);
}

int rc5t583_ext_power_req_config(struct device *dev, int deepsleep_id,
	int ext_pwr_req, int deepsleep_slot_nr);
int rc5t583_irq_init(struct rc5t583 *rc5t583, int irq, int irq_base);
int rc5t583_irq_exit(struct rc5t583 *rc5t583);

#endif

Annotation

Implementation Notes