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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
17/*
18 * ACPI_THERMAL_GET_PSVT_COUNT = Number of PSVT entries
19 * ACPI_THERMAL_GET_PSVT_LEN = Total return data size (PSVT count x each
20 * PSVT entry size)
21 * ACPI_THERMAL_GET_PSVT = Get the data as an array of psvt_objects
22 */
23#define ACPI_THERMAL_GET_PSVT_LEN _IOR(ACPI_THERMAL_MAGIC, 7, unsigned long)
24#define ACPI_THERMAL_GET_PSVT_COUNT _IOR(ACPI_THERMAL_MAGIC, 8, unsigned long)
25#define ACPI_THERMAL_GET_PSVT _IOR(ACPI_THERMAL_MAGIC, 9, unsigned long)
26
27struct art {
28 acpi_handle source;
29 acpi_handle target;
30 struct_group(data,
31 u64 weight;
32 u64 ac0_max;
33 u64 ac1_max;
34 u64 ac2_max;
35 u64 ac3_max;
36 u64 ac4_max;
37 u64 ac5_max;
38 u64 ac6_max;
39 u64 ac7_max;
40 u64 ac8_max;
41 u64 ac9_max;
42 );
43} __packed;
44
45struct trt {
46 acpi_handle source;
47 acpi_handle target;
48 u64 influence;
49 u64 sample_period;
50 u64 reserved1;
51 u64 reserved2;
52 u64 reserved3;
53 u64 reserved4;
54} __packed;
55
56#define ACPI_NR_PSVT_ELEMENTS 12
57#define ACPI_PSVT_CONTROL_KNOB 7
58#define ACPI_LIMIT_STR_MAX_LEN 8
59
60struct psvt {
61 acpi_handle source;
62 acpi_handle target;
63 u64 priority;
64 u64 sample_period;
65 u64 passive_temp;
66 u64 source_domain;
67 u64 control_knob;
68 union {
69 /* For limit_type = ACPI_TYPE_INTEGER */
70 u64 integer;
71 /* For limit_type = ACPI_TYPE_STRING */
72 char string[ACPI_LIMIT_STR_MAX_LEN];
73 char *str_ptr;
74 } limit;
75 u64 step_size;
76 u64 limit_coeff;
77 u64 unlimit_coeff;
78 /* Spec calls this field reserved, so we borrow it for type info */
79 u64 control_knob_type; /* ACPI_TYPE_STRING or ACPI_TYPE_INTEGER */
80} __packed;
81
82#define ACPI_NR_ART_ELEMENTS 13
83/* for usrspace */
84union art_object {
85 struct {
86 char source_device[8]; /* ACPI single name */
87 char target_device[8]; /* ACPI single name */
88 struct_group(data,
89 u64 weight;
90 u64 ac0_max_level;
91 u64 ac1_max_level;
92 u64 ac2_max_level;
93 u64 ac3_max_level;
94 u64 ac4_max_level;
95 u64 ac5_max_level;
96 u64 ac6_max_level;
97 u64 ac7_max_level;
98 u64 ac8_max_level;
99 u64 ac9_max_level;
100 );
101 };
102 u64 __data[ACPI_NR_ART_ELEMENTS];
103};
104
105union trt_object {
106 struct {
107 char source_device[8]; /* ACPI single name */
108 char target_device[8]; /* ACPI single name */
109 u64 influence;
110 u64 sample_period;
111 u64 reserved[4];
112 };
113 u64 __data[8];
114};
115
116union psvt_object {
117 struct {
118 char source_device[8];
119 char target_device[8];
120 u64 priority;
121 u64 sample_period;
122 u64 passive_temp;
123 u64 source_domain;
124 u64 control_knob;
125 union {
126 u64 integer;
127 char string[ACPI_LIMIT_STR_MAX_LEN];
128 } limit;
129 u64 step_size;
130 u64 limit_coeff;
131 u64 unlimit_coeff;
132 u64 control_knob_type;
133 };
134 u64 __data[ACPI_NR_PSVT_ELEMENTS];
135};
136
137#ifdef __KERNEL__
138int acpi_thermal_rel_misc_device_add(acpi_handle handle);
139int acpi_thermal_rel_misc_device_remove(acpi_handle handle);
140int acpi_parse_art(acpi_handle handle, int *art_count, struct art **arts,
141 bool create_dev);
142int acpi_parse_trt(acpi_handle handle, int *trt_count, struct trt **trts,
143 bool create_dev);
144#endif
145
146#endif /* __ACPI_ACPI_THERMAL_H */
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 */