drivers/thermal/intel/intel_soc_dts_iosf.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * intel_soc_dts_iosf.h
   4  * Copyright (c) 2015, Intel Corporation.
   5  */
   6
   7 #ifndef _INTEL_SOC_DTS_IOSF_CORE_H
   8 #define _INTEL_SOC_DTS_IOSF_CORE_H
   9
  10 #include <linux/thermal.h>
  11
  12 /* DTS0 and DTS 1 */
  13 #define SOC_MAX_DTS_SENSORS     2
  14
  15 enum intel_soc_dts_interrupt_type {
  16         INTEL_SOC_DTS_INTERRUPT_NONE,
  17         INTEL_SOC_DTS_INTERRUPT_APIC,
  18         INTEL_SOC_DTS_INTERRUPT_MSI,
  19         INTEL_SOC_DTS_INTERRUPT_SCI,
  20         INTEL_SOC_DTS_INTERRUPT_SMI,
  21 };
  22
  23 struct intel_soc_dts_sensors;
  24
  25 struct intel_soc_dts_sensor_entry {
  26         int id;
  27         u32 store_status;
  28         u32 trip_mask;
  29         u32 trip_count;
  30         enum thermal_trip_type trip_types[2];
  31         struct thermal_zone_device *tzone;
  32         struct intel_soc_dts_sensors *sensors;
  33 };
  34
  35 struct intel_soc_dts_sensors {
  36         u32 tj_max;
  37         spinlock_t intr_notify_lock;
  38         struct mutex dts_update_lock;
  39         enum intel_soc_dts_interrupt_type intr_type;
  40         struct intel_soc_dts_sensor_entry soc_dts[SOC_MAX_DTS_SENSORS];
  41 };
  42
  43 struct intel_soc_dts_sensors *intel_soc_dts_iosf_init(
  44         enum intel_soc_dts_interrupt_type intr_type, int trip_count,
  45         int read_only_trip_count);
  46 void intel_soc_dts_iosf_exit(struct intel_soc_dts_sensors *sensors);
  47 void intel_soc_dts_iosf_interrupt_handler(
  48                                 struct intel_soc_dts_sensors *sensors);
  49 int intel_soc_dts_iosf_add_read_only_critical_trip(
  50         struct intel_soc_dts_sensors *sensors, int critical_offset);
  51 #endif