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93 lines
2.5 KiB
93 lines
2.5 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* OMAP thermal definitions |
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* |
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* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ |
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* Contact: |
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* Eduardo Valentin <[email protected]> |
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*/ |
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#ifndef __TI_THERMAL_H |
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#define __TI_THERMAL_H |
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#include "ti-bandgap.h" |
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/* PCB sensor calculation constants */ |
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#define OMAP_GRADIENT_SLOPE_W_PCB_4430 0 |
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#define OMAP_GRADIENT_CONST_W_PCB_4430 20000 |
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#define OMAP_GRADIENT_SLOPE_W_PCB_4460 1142 |
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#define OMAP_GRADIENT_CONST_W_PCB_4460 -393 |
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#define OMAP_GRADIENT_SLOPE_W_PCB_4470 1063 |
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#define OMAP_GRADIENT_CONST_W_PCB_4470 -477 |
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#define OMAP_GRADIENT_SLOPE_W_PCB_5430_CPU 100 |
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#define OMAP_GRADIENT_CONST_W_PCB_5430_CPU 484 |
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#define OMAP_GRADIENT_SLOPE_W_PCB_5430_GPU 464 |
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#define OMAP_GRADIENT_CONST_W_PCB_5430_GPU -5102 |
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#define DRA752_GRADIENT_SLOPE_W_PCB 0 |
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#define DRA752_GRADIENT_CONST_W_PCB 2000 |
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/* trip points of interest in milicelsius (at hotspot level) */ |
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#define OMAP_TRIP_COLD 100000 |
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#define OMAP_TRIP_HOT 110000 |
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#define OMAP_TRIP_SHUTDOWN 125000 |
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#define OMAP_TRIP_NUMBER 2 |
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#define OMAP_TRIP_STEP \ |
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((OMAP_TRIP_SHUTDOWN - OMAP_TRIP_HOT) / (OMAP_TRIP_NUMBER - 1)) |
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/* Update rates */ |
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#define FAST_TEMP_MONITORING_RATE 250 |
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/* helper macros */ |
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/** |
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* ti_thermal_get_trip_value - returns trip temperature based on index |
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* @i: trip index |
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*/ |
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#define ti_thermal_get_trip_value(i) \ |
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(OMAP_TRIP_HOT + ((i) * OMAP_TRIP_STEP)) |
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/** |
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* ti_thermal_is_valid_trip - check for trip index |
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* @i: trip index |
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*/ |
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#define ti_thermal_is_valid_trip(trip) \ |
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((trip) >= 0 && (trip) < OMAP_TRIP_NUMBER) |
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#ifdef CONFIG_TI_THERMAL |
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int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id, char *domain); |
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int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id); |
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int ti_thermal_report_sensor_temperature(struct ti_bandgap *bgp, int id); |
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int ti_thermal_register_cpu_cooling(struct ti_bandgap *bgp, int id); |
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int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id); |
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#else |
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static inline |
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int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id, char *domain) |
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{ |
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return 0; |
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} |
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static inline |
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int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id) |
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{ |
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return 0; |
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} |
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static inline |
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int ti_thermal_report_sensor_temperature(struct ti_bandgap *bgp, int id) |
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{ |
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return 0; |
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} |
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static inline |
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int ti_thermal_register_cpu_cooling(struct ti_bandgap *bgp, int id) |
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{ |
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return 0; |
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} |
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static inline |
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int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id) |
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{ |
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return 0; |
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} |
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#endif |
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#endif
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