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