ti-soc-thermal/ti-thermal.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   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>
   8  */
   9 #ifndef __TI_THERMAL_H
  10 #define __TI_THERMAL_H
  11
  12 #include "ti-bandgap.h"
  13
  14 /* PCB sensor calculation constants */
  15 #define OMAP_GRADIENT_SLOPE_W_PCB_4430                          0
  16 #define OMAP_GRADIENT_CONST_W_PCB_4430                          20000
  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
  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
  26
  27 #define DRA752_GRADIENT_SLOPE_W_PCB                             0
  28 #define DRA752_GRADIENT_CONST_W_PCB                             2000
  29
  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 #ifdef CONFIG_TI_THERMAL
  42 int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id, char *domain);
  43 int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id);
  44 int ti_thermal_report_sensor_temperature(struct ti_bandgap *bgp, int id);
  45 int ti_thermal_register_cpu_cooling(struct ti_bandgap *bgp, int id);
  46 int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id);
  47 #else
  48 static inline
  49 int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id, char *domain)
  50 {
  51         return 0;
  52 }
  53
  54 static inline
  55 int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id)
  56 {
  57         return 0;
  58 }
  59
  60 static inline
  61 int ti_thermal_report_sensor_temperature(struct ti_bandgap *bgp, int id)
  62 {
  63         return 0;
  64 }
  65
  66 static inline
  67 int ti_thermal_register_cpu_cooling(struct ti_bandgap *bgp, int id)
  68 {
  69         return 0;
  70 }
  71
  72 static inline
  73 int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id)
  74 {
  75         return 0;
  76 }
  77 #endif
  78 #endif