drivers/thermal/st/st_thermal.h

Source file repositories/reference/linux-study-clean/drivers/thermal/st/st_thermal.h

File Facts

System
Linux kernel
Corpus path
drivers/thermal/st/st_thermal.h
Extension
.h
Size
3046 bytes
Lines
101
Domain
Driver Families
Bucket
drivers/thermal
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct st_thermal_sensor_ops {
	int (*power_ctrl)(struct st_thermal_sensor *, enum st_thermal_power_state);
	int (*alloc_regfields)(struct st_thermal_sensor *);
	int (*regmap_init)(struct st_thermal_sensor *);
	int (*register_enable_irq)(struct st_thermal_sensor *);
	int (*enable_irq)(struct st_thermal_sensor *);
};

/**
 * Description of thermal driver compatible data.
 *
 * @reg_fields:		Pointer to the regfields array for a sensor.
 * @sys_compat:		Pointer to the syscon node compatible string.
 * @ops:		Pointer to private thermal ops for a sensor.
 * @calibration_val:	Default calibration value to be written to the DCORRECT
 *			register field for a sensor.
 * @temp_adjust_val:	Value to be added/subtracted from the data read from
 *			the sensor. If value needs to be added please provide a
 *			positive value and if it is to be subtracted please
 *			provide a negative value.
 * @crit_temp:		The temperature beyond which the SoC should be shutdown
 *			to prevent damage.
 */
struct st_thermal_compat_data {
	char *sys_compat;
	const struct reg_field *reg_fields;
	const struct st_thermal_sensor_ops *ops;
	unsigned int calibration_val;
	int temp_adjust_val;
	int crit_temp;
};

struct st_thermal_sensor {
	struct device *dev;
	struct thermal_zone_device *thermal_dev;
	const struct st_thermal_sensor_ops *ops;
	const struct st_thermal_compat_data *cdata;
	struct clk *clk;
	struct regmap *regmap;
	struct regmap_field *pwr;
	struct regmap_field *dcorrect;
	struct regmap_field *overflow;
	struct regmap_field *temp_data;
	struct regmap_field *int_thresh_hi;
	struct regmap_field *int_enable;
	int irq;
	void __iomem *mmio_base;
};

extern int st_thermal_register(struct platform_device *pdev,
			       const struct of_device_id *st_thermal_of_match);
extern void st_thermal_unregister(struct platform_device *pdev);
extern const struct dev_pm_ops st_thermal_pm_ops;

#endif /* __STI_RESET_SYSCFG_H */

Annotation

Implementation Notes