drivers/thermal/intel_soc_dts_iosf.h

   1 /*
   2  * intel_soc_dts_iosf.h
   3  * Copyright (c) 2015, Intel Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms and conditions of the GNU General Public License,
   7  * version 2, as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  */
  15
  16 #ifndef _INTEL_SOC_DTS_IOSF_CORE_H
  17 #define _INTEL_SOC_DTS_IOSF_CORE_H
  18
  19 #include <linux/thermal.h>
  20
  21 /* DTS0 and DTS 1 */
  22 #define SOC_MAX_DTS_SENSORS     2
  23
  24 enum intel_soc_dts_interrupt_type {
  25         INTEL_SOC_DTS_INTERRUPT_NONE,
  26         INTEL_SOC_DTS_INTERRUPT_APIC,
  27         INTEL_SOC_DTS_INTERRUPT_MSI,
  28         INTEL_SOC_DTS_INTERRUPT_SCI,
  29         INTEL_SOC_DTS_INTERRUPT_SMI,
  30 };
  31
  32 struct intel_soc_dts_sensors;
  33
  34 struct intel_soc_dts_sensor_entry {
  35         int id;
  36         u32 temp_mask;
  37         u32 temp_shift;
  38         u32 store_status;
  39         u32 trip_mask;
  40         u32 trip_count;
  41         enum thermal_trip_type trip_types[2];
  42         struct thermal_zone_device *tzone;
  43         struct intel_soc_dts_sensors *sensors;
  44 };
  45
  46 struct intel_soc_dts_sensors {
  47         u32 tj_max;
  48         spinlock_t intr_notify_lock;
  49         struct mutex dts_update_lock;
  50         enum intel_soc_dts_interrupt_type intr_type;
  51         struct intel_soc_dts_sensor_entry soc_dts[SOC_MAX_DTS_SENSORS];
  52 };
  53
  54 struct intel_soc_dts_sensors *intel_soc_dts_iosf_init(
  55         enum intel_soc_dts_interrupt_type intr_type, int trip_count,
  56         int read_only_trip_count);
  57 void intel_soc_dts_iosf_exit(struct intel_soc_dts_sensors *sensors);
  58 void intel_soc_dts_iosf_interrupt_handler(
  59                                 struct intel_soc_dts_sensors *sensors);
  60 int intel_soc_dts_iosf_add_read_only_critical_trip(
  61         struct intel_soc_dts_sensors *sensors, int critical_offset);
  62 #endif