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/*
* OMAP thermal definitions
*
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
* Contact:
* Eduardo Valentin <eduardo.valentin@ti.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#ifndef __OMAP_THERMAL_H
#define __OMAP_THERMAL_H
#include "omap-bandgap.h"
/* sensors gradient and offsets */
#define OMAP_GRADIENT_SLOPE_4460 348
#define OMAP_GRADIENT_CONST_4460 -9301
#define OMAP_GRADIENT_SLOPE_4470 308
#define OMAP_GRADIENT_CONST_4470 -7896
#define OMAP_GRADIENT_SLOPE_5430_CPU 196
#define OMAP_GRADIENT_CONST_5430_CPU -6822
#define OMAP_GRADIENT_SLOPE_5430_GPU 64
#define OMAP_GRADIENT_CONST_5430_GPU 978
/* PCB sensor calculation constants */
#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 469
#define OMAP_GRADIENT_CONST_W_PCB_5430_CPU -1272
#define OMAP_GRADIENT_SLOPE_W_PCB_5430_GPU 378
#define OMAP_GRADIENT_CONST_W_PCB_5430_GPU 154
/* 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
/* helper macros */
/**
* omap_thermal_get_trip_value - returns trip temperature based on index
* @i: trip index
*/
#define omap_thermal_get_trip_value(i) \
(OMAP_TRIP_HOT + ((i) * OMAP_TRIP_STEP))
/**
* omap_thermal_is_valid_trip - check for trip index
* @i: trip index
*/
#define omap_thermal_is_valid_trip(trip) \
((trip) >= 0 && (trip) < OMAP_TRIP_NUMBER)
#ifdef CONFIG_OMAP_THERMAL
int omap_thermal_expose_sensor(struct omap_bandgap *bg_ptr, int id,
char *domain);
int omap_thermal_remove_sensor(struct omap_bandgap *bg_ptr, int id);
int omap_thermal_register_cpu_cooling(struct omap_bandgap *bg_ptr, int id);
int omap_thermal_unregister_cpu_cooling(struct omap_bandgap *bg_ptr, int id);
#else
static inline
int omap_thermal_expose_sensor(struct omap_bandgap *bg_ptr, int id,
char *domain)
{
return 0;
}
static inline
int omap_thermal_remove_sensor(struct omap_bandgap *bg_ptr, int id)
{
return 0;
}
static inline
int omap_thermal_register_cpu_cooling(struct omap_bandgap *bg_ptr, int id)
{
return 0;
}
static inline
int omap_thermal_unregister_cpu_cooling(struct omap_bandgap *bg_ptr, int id)
{
return 0;
}
#endif
#endif
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