1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __ACPI_ACPI_THERMAL_H
 3#define __ACPI_ACPI_THERMAL_H
 4
 5#include <asm/ioctl.h>
 6
 7#define ACPI_THERMAL_MAGIC 's'
 8
 9#define ACPI_THERMAL_GET_TRT_LEN _IOR(ACPI_THERMAL_MAGIC, 1, unsigned long)
10#define ACPI_THERMAL_GET_ART_LEN _IOR(ACPI_THERMAL_MAGIC, 2, unsigned long)
11#define ACPI_THERMAL_GET_TRT_COUNT _IOR(ACPI_THERMAL_MAGIC, 3, unsigned long)
12#define ACPI_THERMAL_GET_ART_COUNT _IOR(ACPI_THERMAL_MAGIC, 4, unsigned long)
13
14#define ACPI_THERMAL_GET_TRT	_IOR(ACPI_THERMAL_MAGIC, 5, unsigned long)
15#define ACPI_THERMAL_GET_ART	_IOR(ACPI_THERMAL_MAGIC, 6, unsigned long)
16
17struct art {
18	acpi_handle source;
19	acpi_handle target;
20	u64 weight;
21	u64 ac0_max;
22	u64 ac1_max;
23	u64 ac2_max;
24	u64 ac3_max;
25	u64 ac4_max;
26	u64 ac5_max;
27	u64 ac6_max;
28	u64 ac7_max;
29	u64 ac8_max;
30	u64 ac9_max;
31} __packed;
32
33struct trt {
34	acpi_handle source;
35	acpi_handle target;
36	u64 influence;
37	u64 sample_period;
38	u64 reserved1;
39	u64 reserved2;
40	u64 reserved3;
41	u64 reserved4;
42} __packed;
43
44#define ACPI_NR_ART_ELEMENTS 13
45/* for usrspace */
46union art_object {
47	struct {
48		char source_device[8]; /* ACPI single name */
49		char target_device[8]; /* ACPI single name */
50		u64 weight;
51		u64 ac0_max_level;
52		u64 ac1_max_level;
53		u64 ac2_max_level;
54		u64 ac3_max_level;
55		u64 ac4_max_level;
56		u64 ac5_max_level;
57		u64 ac6_max_level;
58		u64 ac7_max_level;
59		u64 ac8_max_level;
60		u64 ac9_max_level;
61	};
62	u64 __data[ACPI_NR_ART_ELEMENTS];
63};
64
65union trt_object {
66	struct {
67		char source_device[8]; /* ACPI single name */
68		char target_device[8]; /* ACPI single name */
69		u64 influence;
70		u64 sample_period;
71		u64 reserved[4];
72	};
73	u64 __data[8];
74};
75
76#ifdef __KERNEL__
77int acpi_thermal_rel_misc_device_add(acpi_handle handle);
78int acpi_thermal_rel_misc_device_remove(acpi_handle handle);
79int acpi_parse_art(acpi_handle handle, int *art_count, struct art **arts,
80		bool create_dev);
81int acpi_parse_trt(acpi_handle handle, int *trt_count, struct trt **trts,
82		bool create_dev);
83#endif
84
85#endif /* __ACPI_ACPI_THERMAL_H */