include/linux/mfd/max8997.h

Source file repositories/reference/linux-study-clean/include/linux/mfd/max8997.h

File Facts

System
Linux kernel
Corpus path
include/linux/mfd/max8997.h
Extension
.h
Size
5331 bytes
Lines
207
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 max8997_regulator_data {
	int id;
	struct regulator_init_data *initdata;
	struct device_node *reg_node;
};

struct max8997_muic_reg_data {
	u8 addr;
	u8 data;
};

/**
 * struct max8997_muic_platform_data
 * @init_data: array of max8997_muic_reg_data
 *	       used for initializing registers of MAX8997 MUIC device
 * @num_init_data: array size of init_data
 */
struct max8997_muic_platform_data {
	struct max8997_muic_reg_data *init_data;
	int num_init_data;

	/* Check cable state after certain delay */
	int detcable_delay_ms;

	/*
	 * Default usb/uart path whether UART/USB or AUX_UART/AUX_USB
	 * h/w path of COMP2/COMN1 on CONTROL1 register.
	 */
	int path_usb;
	int path_uart;
};

enum max8997_haptic_motor_type {
	MAX8997_HAPTIC_ERM,
	MAX8997_HAPTIC_LRA,
};

enum max8997_haptic_pulse_mode {
	MAX8997_EXTERNAL_MODE,
	MAX8997_INTERNAL_MODE,
};

enum max8997_haptic_pwm_divisor {
	MAX8997_PWM_DIVISOR_32,
	MAX8997_PWM_DIVISOR_64,
	MAX8997_PWM_DIVISOR_128,
	MAX8997_PWM_DIVISOR_256,
};

/**
 * max8997_haptic_platform_data
 * @pwm_period: period in nano second for PWM device
 *		valid for MAX8997_EXTERNAL_MODE
 * @type: motor type
 * @mode: pulse mode
 *     MAX8997_EXTERNAL_MODE: external PWM device is used to control motor
 *     MAX8997_INTERNAL_MODE: internal pulse generator is used to control motor
 * @pwm_divisor: divisor for external PWM device
 * @internal_mode_pattern: internal mode pattern for internal mode
 *     [0 - 3]: valid pattern number
 * @pattern_cycle: the number of cycles of the waveform
 *		   for the internal mode pattern
 *     [0 - 15]: available cycles
 * @pattern_signal_period: period of the waveform for the internal mode pattern
 *     [0 - 255]: available period
 */
struct max8997_haptic_platform_data {
	unsigned int pwm_period;

	enum max8997_haptic_motor_type type;
	enum max8997_haptic_pulse_mode mode;
	enum max8997_haptic_pwm_divisor pwm_divisor;

	unsigned int internal_mode_pattern;
	unsigned int pattern_cycle;
	unsigned int pattern_signal_period;
};

enum max8997_led_mode {
	MAX8997_NONE,
	MAX8997_FLASH_MODE,
	MAX8997_MOVIE_MODE,
	MAX8997_FLASH_PIN_CONTROL_MODE,
	MAX8997_MOVIE_PIN_CONTROL_MODE,
};

/**
 *  struct max8997_led_platform_data
 *  The number of LED devices for MAX8997 is two
 *  @mode: LED mode for each LED device

Annotation

Implementation Notes