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