projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 2b27bdcc | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 445eaf87 EV |
2 | /* |
| 3 | * OMAP thermal definitions | |
| 4 | * | |
| 5 | * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ | |
| 6 | * Contact: | |
| 7 | * Eduardo Valentin <eduardo.valentin@ti.com> | |
| 445eaf87 | 8 | */ |
| 097ca6a3 EV |
9 | #ifndef __TI_THERMAL_H |
| 10 | #define __TI_THERMAL_H | |
| 445eaf87 | 11 | |
| 7372add4 | 12 | #include "ti-bandgap.h" |
| 445eaf87 | 13 | |
| 445eaf87 | 14 | /* PCB sensor calculation constants */ |
| b763fdae EV |
15 | #define OMAP_GRADIENT_SLOPE_W_PCB_4430 0 |
| 16 | #define OMAP_GRADIENT_CONST_W_PCB_4430 20000 | |
| 445eaf87 EV |
17 | #define OMAP_GRADIENT_SLOPE_W_PCB_4460 1142 |
| 18 | #define OMAP_GRADIENT_CONST_W_PCB_4460 -393 | |
| 19 | #define OMAP_GRADIENT_SLOPE_W_PCB_4470 1063 | |
| 20 | #define OMAP_GRADIENT_CONST_W_PCB_4470 -477 | |
| 21 | ||
| 21bf2202 EV |
22 | #define OMAP_GRADIENT_SLOPE_W_PCB_5430_CPU 100 |
| 23 | #define OMAP_GRADIENT_CONST_W_PCB_5430_CPU 484 | |
| 24 | #define OMAP_GRADIENT_SLOPE_W_PCB_5430_GPU 464 | |
| 25 | #define OMAP_GRADIENT_CONST_W_PCB_5430_GPU -5102 | |
| 445eaf87 | 26 | |
| 8926fa4f EV |
27 | #define DRA752_GRADIENT_SLOPE_W_PCB 0 |
| 28 | #define DRA752_GRADIENT_CONST_W_PCB 2000 | |
| 29 | ||
| 445eaf87 EV |
30 | /* trip points of interest in milicelsius (at hotspot level) */ |
| 31 | #define OMAP_TRIP_COLD 100000 | |
| 32 | #define OMAP_TRIP_HOT 110000 | |
| 33 | #define OMAP_TRIP_SHUTDOWN 125000 | |
| 34 | #define OMAP_TRIP_NUMBER 2 | |
| 35 | #define OMAP_TRIP_STEP \ | |
| 36 | ((OMAP_TRIP_SHUTDOWN - OMAP_TRIP_HOT) / (OMAP_TRIP_NUMBER - 1)) | |
| 37 | ||
| 38 | /* Update rates */ | |
| 39 | #define FAST_TEMP_MONITORING_RATE 250 | |
| 40 | ||
| 41 | /* helper macros */ | |
| 42 | /** | |
| 03e859d3 | 43 | * ti_thermal_get_trip_value - returns trip temperature based on index |
| 445eaf87 EV |
44 | * @i: trip index |
| 45 | */ | |
| 03e859d3 | 46 | #define ti_thermal_get_trip_value(i) \ |
| 445eaf87 EV |
47 | (OMAP_TRIP_HOT + ((i) * OMAP_TRIP_STEP)) |
| 48 | ||
| 49 | /** | |
| 03e859d3 | 50 | * ti_thermal_is_valid_trip - check for trip index |
| 445eaf87 EV |
51 | * @i: trip index |
| 52 | */ | |
| 03e859d3 | 53 | #define ti_thermal_is_valid_trip(trip) \ |
| 445eaf87 EV |
54 | ((trip) >= 0 && (trip) < OMAP_TRIP_NUMBER) |
| 55 | ||
| 097ca6a3 | 56 | #ifdef CONFIG_TI_THERMAL |
| 03e859d3 EV |
57 | int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id, char *domain); |
| 58 | int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id); | |
| 8c99c166 | 59 | int ti_thermal_report_sensor_temperature(struct ti_bandgap *bgp, int id); |
| 03e859d3 EV |
60 | int ti_thermal_register_cpu_cooling(struct ti_bandgap *bgp, int id); |
| 61 | int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id); | |
| 445eaf87 EV |
62 | #else |
| 63 | static inline | |
| 03e859d3 | 64 | int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id, char *domain) |
| 445eaf87 EV |
65 | { |
| 66 | return 0; | |
| 67 | } | |
| 68 | ||
| 69 | static inline | |
| 03e859d3 | 70 | int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id) |
| 445eaf87 EV |
71 | { |
| 72 | return 0; | |
| 73 | } | |
| 74 | ||
| 8c99c166 EV |
75 | static inline |
| 76 | int ti_thermal_report_sensor_temperature(struct ti_bandgap *bgp, int id) | |
| 77 | { | |
| 78 | return 0; | |
| 79 | } | |
| 80 | ||
| 445eaf87 | 81 | static inline |
| 03e859d3 | 82 | int ti_thermal_register_cpu_cooling(struct ti_bandgap *bgp, int id) |
| 445eaf87 EV |
83 | { |
| 84 | return 0; | |
| 85 | } | |
| 86 | ||
| 87 | static inline | |
| 03e859d3 | 88 | int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id) |
| 445eaf87 EV |
89 | { |
| 90 | return 0; | |
| 91 | } | |
| 92 | #endif | |
| 93 | #endif |