79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* OMAP thermal definitions
|
|
*
|
|
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
|
|
* Contact:
|
|
* Eduardo Valentin <eduardo.valentin@ti.com>
|
|
*/
|
|
#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
|