drivers/thermal/intel/int340x_thermal/acpi_thermal_rel.h

Source file repositories/reference/linux-study-clean/drivers/thermal/intel/int340x_thermal/acpi_thermal_rel.h

File Facts

System
Linux kernel
Corpus path
drivers/thermal/intel/int340x_thermal/acpi_thermal_rel.h
Extension
.h
Size
3551 bytes
Lines
147
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 art {
	acpi_handle source;
	acpi_handle target;
	struct_group(data,
		u64 weight;
		u64 ac0_max;
		u64 ac1_max;
		u64 ac2_max;
		u64 ac3_max;
		u64 ac4_max;
		u64 ac5_max;
		u64 ac6_max;
		u64 ac7_max;
		u64 ac8_max;
		u64 ac9_max;
	);
} __packed;

struct trt {
	acpi_handle source;
	acpi_handle target;
	u64 influence;
	u64 sample_period;
	u64 reserved1;
	u64 reserved2;
	u64 reserved3;
	u64 reserved4;
} __packed;

#define ACPI_NR_PSVT_ELEMENTS	12
#define ACPI_PSVT_CONTROL_KNOB	7
#define ACPI_LIMIT_STR_MAX_LEN	8

struct psvt {
	acpi_handle source;
	acpi_handle target;
	u64 priority;
	u64 sample_period;
	u64 passive_temp;
	u64 source_domain;
	u64 control_knob;
	union {
		/* For limit_type = ACPI_TYPE_INTEGER */
		u64 integer;
		/* For limit_type = ACPI_TYPE_STRING */
		char string[ACPI_LIMIT_STR_MAX_LEN];
		char *str_ptr;
	} limit;
	u64 step_size;
	u64 limit_coeff;
	u64 unlimit_coeff;
	/* Spec calls this field reserved, so we borrow it for type info */
	u64 control_knob_type; /* ACPI_TYPE_STRING or ACPI_TYPE_INTEGER */
} __packed;

#define ACPI_NR_ART_ELEMENTS 13
/* for usrspace */
union art_object {
	struct {
		char source_device[8]; /* ACPI single name */
		char target_device[8]; /* ACPI single name */
		struct_group(data,
			u64 weight;
			u64 ac0_max_level;
			u64 ac1_max_level;
			u64 ac2_max_level;
			u64 ac3_max_level;
			u64 ac4_max_level;
			u64 ac5_max_level;
			u64 ac6_max_level;
			u64 ac7_max_level;
			u64 ac8_max_level;
			u64 ac9_max_level;
		);
	};
	u64 __data[ACPI_NR_ART_ELEMENTS];
};

union trt_object {
	struct {
		char source_device[8]; /* ACPI single name */
		char target_device[8]; /* ACPI single name */
		u64 influence;
		u64 sample_period;
		u64 reserved[4];
	};
	u64 __data[8];
};

union psvt_object {

Annotation

Implementation Notes