/* * 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 __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 /* helper macros */ /** * ti_thermal_get_trip_value - returns trip temperature based on index * @i: trip index */ #define ti_thermal_get_trip_value(i) \ (OMAP_TRIP_HOT + ((i) * OMAP_TRIP_STEP)) /** * ti_thermal_is_valid_trip - check for trip index * @i: trip index */ #define ti_thermal_is_valid_trip(trip) \ ((trip) >= 0 && (trip) < OMAP_TRIP_NUMBER) #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