147 lines
3.5 KiB
C
147 lines
3.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ACPI_ACPI_THERMAL_H
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#define __ACPI_ACPI_THERMAL_H
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#include <asm/ioctl.h>
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#define ACPI_THERMAL_MAGIC 's'
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#define ACPI_THERMAL_GET_TRT_LEN _IOR(ACPI_THERMAL_MAGIC, 1, unsigned long)
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#define ACPI_THERMAL_GET_ART_LEN _IOR(ACPI_THERMAL_MAGIC, 2, unsigned long)
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#define ACPI_THERMAL_GET_TRT_COUNT _IOR(ACPI_THERMAL_MAGIC, 3, unsigned long)
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#define ACPI_THERMAL_GET_ART_COUNT _IOR(ACPI_THERMAL_MAGIC, 4, unsigned long)
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#define ACPI_THERMAL_GET_TRT _IOR(ACPI_THERMAL_MAGIC, 5, unsigned long)
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#define ACPI_THERMAL_GET_ART _IOR(ACPI_THERMAL_MAGIC, 6, unsigned long)
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/*
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* ACPI_THERMAL_GET_PSVT_COUNT = Number of PSVT entries
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* ACPI_THERMAL_GET_PSVT_LEN = Total return data size (PSVT count x each
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* PSVT entry size)
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* ACPI_THERMAL_GET_PSVT = Get the data as an array of psvt_objects
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*/
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#define ACPI_THERMAL_GET_PSVT_LEN _IOR(ACPI_THERMAL_MAGIC, 7, unsigned long)
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#define ACPI_THERMAL_GET_PSVT_COUNT _IOR(ACPI_THERMAL_MAGIC, 8, unsigned long)
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#define ACPI_THERMAL_GET_PSVT _IOR(ACPI_THERMAL_MAGIC, 9, unsigned long)
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struct art {
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acpi_handle source;
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acpi_handle target;
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struct_group(data,
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u64 weight;
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u64 ac0_max;
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u64 ac1_max;
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u64 ac2_max;
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u64 ac3_max;
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u64 ac4_max;
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u64 ac5_max;
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u64 ac6_max;
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u64 ac7_max;
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u64 ac8_max;
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u64 ac9_max;
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);
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} __packed;
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struct trt {
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acpi_handle source;
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acpi_handle target;
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u64 influence;
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u64 sample_period;
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u64 reserved1;
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u64 reserved2;
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u64 reserved3;
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u64 reserved4;
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} __packed;
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#define ACPI_NR_PSVT_ELEMENTS 12
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#define ACPI_PSVT_CONTROL_KNOB 7
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#define ACPI_LIMIT_STR_MAX_LEN 8
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struct psvt {
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acpi_handle source;
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acpi_handle target;
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u64 priority;
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u64 sample_period;
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u64 passive_temp;
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u64 source_domain;
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u64 control_knob;
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union {
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/* For limit_type = ACPI_TYPE_INTEGER */
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u64 integer;
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/* For limit_type = ACPI_TYPE_STRING */
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char string[ACPI_LIMIT_STR_MAX_LEN];
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char *str_ptr;
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} limit;
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u64 step_size;
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u64 limit_coeff;
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u64 unlimit_coeff;
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/* Spec calls this field reserved, so we borrow it for type info */
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u64 control_knob_type; /* ACPI_TYPE_STRING or ACPI_TYPE_INTEGER */
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} __packed;
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#define ACPI_NR_ART_ELEMENTS 13
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/* for usrspace */
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union art_object {
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struct {
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char source_device[8]; /* ACPI single name */
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char target_device[8]; /* ACPI single name */
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struct_group(data,
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u64 weight;
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u64 ac0_max_level;
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u64 ac1_max_level;
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u64 ac2_max_level;
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u64 ac3_max_level;
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u64 ac4_max_level;
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u64 ac5_max_level;
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u64 ac6_max_level;
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u64 ac7_max_level;
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u64 ac8_max_level;
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u64 ac9_max_level;
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);
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};
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u64 __data[ACPI_NR_ART_ELEMENTS];
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};
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union trt_object {
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struct {
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char source_device[8]; /* ACPI single name */
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char target_device[8]; /* ACPI single name */
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u64 influence;
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u64 sample_period;
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u64 reserved[4];
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};
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u64 __data[8];
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};
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union psvt_object {
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struct {
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char source_device[8];
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char target_device[8];
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u64 priority;
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u64 sample_period;
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u64 passive_temp;
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u64 source_domain;
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u64 control_knob;
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union {
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u64 integer;
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char string[ACPI_LIMIT_STR_MAX_LEN];
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} limit;
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u64 step_size;
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u64 limit_coeff;
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u64 unlimit_coeff;
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u64 control_knob_type;
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};
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u64 __data[ACPI_NR_PSVT_ELEMENTS];
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};
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#ifdef __KERNEL__
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int acpi_thermal_rel_misc_device_add(acpi_handle handle);
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int acpi_thermal_rel_misc_device_remove(acpi_handle handle);
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int acpi_parse_art(acpi_handle handle, int *art_count, struct art **arts,
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bool create_dev);
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int acpi_parse_trt(acpi_handle handle, int *trt_count, struct trt **trts,
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bool create_dev);
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#endif
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#endif /* __ACPI_ACPI_THERMAL_H */
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