| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * OMAP thermal definitions |
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| 4 | * |
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| 5 | * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ |
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| 6 | * Contact: |
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| 7 | * Eduardo Valentin <eduardo.valentin@ti.com> |
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| 8 | */ |
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| 9 | #ifndef __TI_THERMAL_H |
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| 10 | #define __TI_THERMAL_H |
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| 11 | |
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| 12 | #include "ti-bandgap.h" |
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| 13 | |
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| 14 | /* PCB sensor calculation constants */ |
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| 15 | #define OMAP_GRADIENT_SLOPE_W_PCB_4430 0 |
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| 16 | #define OMAP_GRADIENT_CONST_W_PCB_4430 20000 |
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| 17 | #define OMAP_GRADIENT_SLOPE_W_PCB_4460 1142 |
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| 18 | #define OMAP_GRADIENT_CONST_W_PCB_4460 -393 |
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| 19 | #define OMAP_GRADIENT_SLOPE_W_PCB_4470 1063 |
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| 20 | #define OMAP_GRADIENT_CONST_W_PCB_4470 -477 |
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| 21 | |
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| 22 | #define OMAP_GRADIENT_SLOPE_W_PCB_5430_CPU 100 |
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| 23 | #define OMAP_GRADIENT_CONST_W_PCB_5430_CPU 484 |
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| 24 | #define OMAP_GRADIENT_SLOPE_W_PCB_5430_GPU 464 |
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| 25 | #define OMAP_GRADIENT_CONST_W_PCB_5430_GPU -5102 |
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| 26 | |
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| 27 | #define DRA752_GRADIENT_SLOPE_W_PCB 0 |
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| 28 | #define DRA752_GRADIENT_CONST_W_PCB 2000 |
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| 29 | |
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| 30 | /* trip points of interest in milicelsius (at hotspot level) */ |
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| 31 | #define OMAP_TRIP_COLD 100000 |
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| 32 | #define OMAP_TRIP_HOT 110000 |
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| 33 | #define OMAP_TRIP_SHUTDOWN 125000 |
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| 34 | #define OMAP_TRIP_NUMBER 2 |
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| 35 | #define OMAP_TRIP_STEP \ |
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| 36 | ((OMAP_TRIP_SHUTDOWN - OMAP_TRIP_HOT) / (OMAP_TRIP_NUMBER - 1)) |
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| 37 | |
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| 38 | /* Update rates */ |
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| 39 | #define FAST_TEMP_MONITORING_RATE 250 |
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| 40 | |
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| 41 | #ifdef CONFIG_TI_THERMAL |
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| 42 | int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id, char *domain); |
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| 43 | int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id); |
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| 44 | int ti_thermal_report_sensor_temperature(struct ti_bandgap *bgp, int id); |
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| 45 | int ti_thermal_register_cpu_cooling(struct ti_bandgap *bgp, int id); |
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| 46 | int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id); |
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| 47 | #else |
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| 48 | static inline |
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| 49 | int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id, char *domain) |
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| 50 | { |
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| 51 | return 0; |
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| 52 | } |
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| 53 | |
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| 54 | static inline |
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| 55 | int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id) |
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| 56 | { |
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| 57 | return 0; |
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| 58 | } |
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| 59 | |
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| 60 | static inline |
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| 61 | int ti_thermal_report_sensor_temperature(struct ti_bandgap *bgp, int id) |
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| 62 | { |
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| 63 | return 0; |
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| 64 | } |
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| 65 | |
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| 66 | static inline |
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| 67 | int ti_thermal_register_cpu_cooling(struct ti_bandgap *bgp, int id) |
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| 68 | { |
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| 69 | return 0; |
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| 70 | } |
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| 71 | |
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| 72 | static inline |
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| 73 | int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id) |
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| 74 | { |
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| 75 | return 0; |
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| 76 | } |
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| 77 | #endif |
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| 78 | #endif |
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| 79 | |
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