LXR linux/drivers/thermal/intel_soc_dts

   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
  24enum 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
  32struct intel_soc_dts_sensors;
  33
  34struct 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
  46struct 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
  54struct 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);
  57void intel_soc_dts_iosf_exit(struct intel_soc_dts_sensors *sensors);
  58void intel_soc_dts_iosf_interrupt_handler(
  59                                struct intel_soc_dts_sensors *sensors);
  60int intel_soc_dts_iosf_add_read_only_critical_trip(
  61        struct intel_soc_dts_sensors *sensors, int critical_offset);
  62#endif
  63