drivers/thermal/ti-soc-thermal/ti-thermal.h

Source file repositories/reference/linux-study-clean/drivers/thermal/ti-soc-thermal/ti-thermal.h

File Facts

System
Linux kernel
Corpus path
drivers/thermal/ti-soc-thermal/ti-thermal.h
Extension
.h
Size
2146 bytes
Lines
79
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

#ifndef __TI_THERMAL_H
#define __TI_THERMAL_H

#include "ti-bandgap.h"

/* PCB sensor calculation constants */
#define OMAP_GRADIENT_SLOPE_W_PCB_4430				0
#define OMAP_GRADIENT_CONST_W_PCB_4430				20000
#define OMAP_GRADIENT_SLOPE_W_PCB_4460				1142
#define OMAP_GRADIENT_CONST_W_PCB_4460				-393
#define OMAP_GRADIENT_SLOPE_W_PCB_4470				1063
#define OMAP_GRADIENT_CONST_W_PCB_4470				-477

#define OMAP_GRADIENT_SLOPE_W_PCB_5430_CPU			100
#define OMAP_GRADIENT_CONST_W_PCB_5430_CPU			484
#define OMAP_GRADIENT_SLOPE_W_PCB_5430_GPU			464
#define OMAP_GRADIENT_CONST_W_PCB_5430_GPU			-5102

#define DRA752_GRADIENT_SLOPE_W_PCB				0
#define DRA752_GRADIENT_CONST_W_PCB				2000

/* trip points of interest in milicelsius (at hotspot level) */
#define OMAP_TRIP_COLD						100000
#define OMAP_TRIP_HOT						110000
#define OMAP_TRIP_SHUTDOWN					125000
#define OMAP_TRIP_NUMBER					2
#define OMAP_TRIP_STEP							\
	((OMAP_TRIP_SHUTDOWN - OMAP_TRIP_HOT) / (OMAP_TRIP_NUMBER - 1))

/* Update rates */
#define FAST_TEMP_MONITORING_RATE				250

#ifdef CONFIG_TI_THERMAL
int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id, char *domain);
int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id);
int ti_thermal_report_sensor_temperature(struct ti_bandgap *bgp, int id);
int ti_thermal_register_cpu_cooling(struct ti_bandgap *bgp, int id);
int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id);
#else
static inline
int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id, char *domain)
{
	return 0;
}

static inline
int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id)
{
	return 0;
}

static inline
int ti_thermal_report_sensor_temperature(struct ti_bandgap *bgp, int id)
{
	return 0;
}

static inline
int ti_thermal_register_cpu_cooling(struct ti_bandgap *bgp, int id)
{
	return 0;
}

static inline
int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id)
{
	return 0;
}
#endif
#endif

Annotation

Implementation Notes