| /* 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 |
| |
| /* 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 |
