Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) #ifndef __ACPI_PROCESSOR_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) #define __ACPI_PROCESSOR_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) #include <linux/cpu.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) #include <linux/cpufreq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <linux/pm_qos.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/thermal.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <asm/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #define ACPI_PROCESSOR_CLASS		"processor"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #define ACPI_PROCESSOR_DEVICE_NAME	"Processor"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #define ACPI_PROCESSOR_DEVICE_HID	"ACPI0007"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #define ACPI_PROCESSOR_CONTAINER_HID	"ACPI0010"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #define ACPI_PROCESSOR_BUSY_METRIC	10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #define ACPI_PROCESSOR_MAX_POWER	8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #define ACPI_PROCESSOR_MAX_C2_LATENCY	100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #define ACPI_PROCESSOR_MAX_C3_LATENCY	1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #define ACPI_PROCESSOR_MAX_THROTTLING	16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #define ACPI_PROCESSOR_MAX_THROTTLE	250	/* 25% */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #define ACPI_PROCESSOR_MAX_DUTY_WIDTH	4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #define ACPI_PDC_REVISION_ID		0x1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #define ACPI_PSD_REV0_REVISION		0	/* Support for _PSD as in ACPI 3.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #define ACPI_PSD_REV0_ENTRIES		5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #define ACPI_TSD_REV0_REVISION		0	/* Support for _PSD as in ACPI 3.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) #define ACPI_TSD_REV0_ENTRIES		5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35)  * Types of coordination defined in ACPI 3.0. Same macros can be used across
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36)  * P, C and T states
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) #define DOMAIN_COORD_TYPE_SW_ALL	0xfc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) #define DOMAIN_COORD_TYPE_SW_ANY	0xfd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) #define DOMAIN_COORD_TYPE_HW_ALL	0xfe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) #define ACPI_CSTATE_SYSTEMIO	0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) #define ACPI_CSTATE_FFH		1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) #define ACPI_CSTATE_HALT	2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) #define ACPI_CSTATE_INTEGER	3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) #define ACPI_CX_DESC_LEN	32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) /* Power Management */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) struct acpi_processor_cx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) struct acpi_power_register {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	u8 descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	u16 length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	u8 space_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	u8 bit_width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	u8 bit_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	u8 access_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	u64 address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) struct acpi_processor_cx {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	u8 valid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	u8 type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	u32 address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	u8 entry_method;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	u8 index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	u32 latency;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	u8 bm_sts_skip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	char desc[ACPI_CX_DESC_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) struct acpi_lpi_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	u32 min_residency;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	u32 wake_latency; /* worst case */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	u32 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	u32 arch_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	u32 res_cnt_freq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	u32 enable_parent_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	u64 address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	u8 index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	u8 entry_method;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	char desc[ACPI_CX_DESC_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) struct acpi_processor_power {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	int count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 		struct acpi_processor_cx states[ACPI_PROCESSOR_MAX_POWER];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 		struct acpi_lpi_state lpi_states[ACPI_PROCESSOR_MAX_POWER];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	int timer_broadcast_on_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) /* Performance Management */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) struct acpi_psd_package {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	u64 num_entries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	u64 revision;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	u64 domain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	u64 coord_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	u64 num_processors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct acpi_pct_register {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	u8 descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	u16 length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	u8 space_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	u8 bit_width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	u8 bit_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	u8 reserved;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	u64 address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) struct acpi_processor_px {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	u64 core_frequency;	/* megahertz */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	u64 power;	/* milliWatts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	u64 transition_latency;	/* microseconds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	u64 bus_master_latency;	/* microseconds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	u64 control;	/* control value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	u64 status;	/* success indicator */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) struct acpi_processor_performance {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	unsigned int state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	unsigned int platform_limit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	struct acpi_pct_register control_register;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	struct acpi_pct_register status_register;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	unsigned int state_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	struct acpi_processor_px *states;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	struct acpi_psd_package domain_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	cpumask_var_t shared_cpu_map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	unsigned int shared_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) /* Throttling Control */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) struct acpi_tsd_package {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	u64 num_entries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	u64 revision;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	u64 domain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	u64 coord_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	u64 num_processors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) struct acpi_ptc_register {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	u8 descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	u16 length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	u8 space_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	u8 bit_width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	u8 bit_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	u8 reserved;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	u64 address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) struct acpi_processor_tx_tss {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	u64 freqpercentage;	/* */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	u64 power;	/* milliWatts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	u64 transition_latency;	/* microseconds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	u64 control;	/* control value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	u64 status;	/* success indicator */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) struct acpi_processor_tx {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	u16 power;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	u16 performance;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) struct acpi_processor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) struct acpi_processor_throttling {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	unsigned int state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	unsigned int platform_limit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	struct acpi_pct_register control_register;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	struct acpi_pct_register status_register;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	unsigned int state_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	struct acpi_processor_tx_tss *states_tss;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	struct acpi_tsd_package domain_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	cpumask_var_t shared_cpu_map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	int (*acpi_processor_get_throttling) (struct acpi_processor * pr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	int (*acpi_processor_set_throttling) (struct acpi_processor * pr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 					      int state, bool force);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	u32 address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	u8 duty_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	u8 duty_width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	u8 tsd_valid_flag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	unsigned int shared_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	struct acpi_processor_tx states[ACPI_PROCESSOR_MAX_THROTTLING];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) /* Limit Interface */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) struct acpi_processor_lx {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	int px;			/* performance state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	int tx;			/* throttle level */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) struct acpi_processor_limit {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	struct acpi_processor_lx state;	/* current limit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	struct acpi_processor_lx thermal;	/* thermal limit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	struct acpi_processor_lx user;	/* user limit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) struct acpi_processor_flags {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	u8 power:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	u8 performance:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	u8 throttling:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	u8 limit:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	u8 bm_control:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	u8 bm_check:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	u8 has_cst:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	u8 has_lpi:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	u8 power_setup_done:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	u8 bm_rld_set:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	u8 need_hotplug_init:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) struct acpi_processor {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	acpi_handle handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	u32 acpi_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	phys_cpuid_t phys_id;	/* CPU hardware ID such as APIC ID for x86 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	u32 id;		/* CPU logical ID allocated by OS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	u32 pblk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	int performance_platform_limit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	int throttling_platform_limit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	/* 0 - states 0..n-th state available */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	struct acpi_processor_flags flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	struct acpi_processor_power power;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	struct acpi_processor_performance *performance;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	struct acpi_processor_throttling throttling;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	struct acpi_processor_limit limit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	struct thermal_cooling_device *cdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	struct device *dev; /* Processor device. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	struct freq_qos_request perflib_req;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	struct freq_qos_request thermal_req;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) struct acpi_processor_errata {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	u8 smp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 		u8 throttle:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 		u8 fdma:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 		u8 reserved:6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 		u32 bmisx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	} piix4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) extern int acpi_processor_preregister_performance(struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 						  acpi_processor_performance
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 						  __percpu *performance);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) extern int acpi_processor_register_performance(struct acpi_processor_performance
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 					       *performance, unsigned int cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) extern void acpi_processor_unregister_performance(unsigned int cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) int acpi_processor_pstate_control(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) /* note: this locks both the calling module and the processor module
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)          if a _PPC object exists, rmmod is disallowed then */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) int acpi_processor_notify_smm(struct module *calling_module);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) int acpi_processor_get_psd(acpi_handle handle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 			   struct acpi_psd_package *pdomain);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) /* parsing the _P* objects. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) extern int acpi_processor_get_performance_info(struct acpi_processor *pr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) /* for communication between multiple parts of the processor kernel module */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) DECLARE_PER_CPU(struct acpi_processor *, processors);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) extern struct acpi_processor_errata errata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) #if defined(ARCH_HAS_POWER_INIT) && defined(CONFIG_ACPI_PROCESSOR_CSTATE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 					unsigned int cpu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) int acpi_processor_ffh_cstate_probe(unsigned int cpu,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 				    struct acpi_processor_cx *cx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 				    struct acpi_power_register *reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx *cstate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) static inline void acpi_processor_power_init_bm_check(struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 						      acpi_processor_flags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 						      *flags, unsigned int cpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	flags->bm_check = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) static inline int acpi_processor_ffh_cstate_probe(unsigned int cpu,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 						  struct acpi_processor_cx *cx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 						  struct acpi_power_register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 						  *reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) static inline void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 						   *cstate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) static inline int call_on_cpu(int cpu, long (*fn)(void *), void *arg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 			      bool direct)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 	if (direct || (is_percpu_thread() && cpu == smp_processor_id()))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 		return fn(arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	return work_on_cpu(cpu, fn, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) /* in processor_perflib.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) #ifdef CONFIG_CPU_FREQ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) extern bool acpi_processor_cpufreq_init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) void acpi_processor_ignore_ppc_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) void acpi_processor_ppc_init(struct cpufreq_policy *policy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) void acpi_processor_ppc_exit(struct cpufreq_policy *policy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) void acpi_processor_ppc_has_changed(struct acpi_processor *pr, int event_flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) extern int acpi_processor_get_bios_limit(int cpu, unsigned int *limit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) static inline void acpi_processor_ignore_ppc_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 	return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) static inline void acpi_processor_ppc_init(struct cpufreq_policy *policy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) static inline void acpi_processor_ppc_exit(struct cpufreq_policy *policy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) static inline void acpi_processor_ppc_has_changed(struct acpi_processor *pr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 								int event_flag)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	static unsigned int printout = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	if (printout) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 		printk(KERN_WARNING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 		       "Warning: Processor Platform Limit event detected, but not handled.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 		printk(KERN_WARNING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 		       "Consider compiling CPUfreq support into your kernel.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 		printout = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) #endif				/* CONFIG_CPU_FREQ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) /* in processor_core.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) phys_cpuid_t acpi_get_phys_id(acpi_handle, int type, u32 acpi_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) phys_cpuid_t acpi_map_madt_entry(u32 acpi_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) int acpi_map_cpuid(phys_cpuid_t phys_id, u32 acpi_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) int acpi_get_cpuid(acpi_handle, int type, u32 acpi_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) #ifdef CONFIG_ACPI_CPPC_LIB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) extern int acpi_cppc_processor_probe(struct acpi_processor *pr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) extern void acpi_cppc_processor_exit(struct acpi_processor *pr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) static inline int acpi_cppc_processor_probe(struct acpi_processor *pr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) static inline void acpi_cppc_processor_exit(struct acpi_processor *pr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) #endif	/* CONFIG_ACPI_CPPC_LIB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) /* in processor_pdc.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) void acpi_processor_set_pdc(acpi_handle handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) /* in processor_throttling.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) #ifdef CONFIG_ACPI_CPU_FREQ_PSS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) int acpi_processor_tstate_has_changed(struct acpi_processor *pr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) int acpi_processor_get_throttling_info(struct acpi_processor *pr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) extern int acpi_processor_set_throttling(struct acpi_processor *pr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 					 int state, bool force);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)  * Reevaluate whether the T-state is invalid after one cpu is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)  * onlined/offlined. In such case the flags.throttling will be updated.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) extern void acpi_processor_reevaluate_tstate(struct acpi_processor *pr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 			bool is_dead);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) extern const struct file_operations acpi_processor_throttling_fops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) extern void acpi_processor_throttling_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) static inline int acpi_processor_tstate_has_changed(struct acpi_processor *pr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) static inline int acpi_processor_get_throttling_info(struct acpi_processor *pr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 	return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) static inline int acpi_processor_set_throttling(struct acpi_processor *pr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 					 int state, bool force)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 	return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) static inline void acpi_processor_reevaluate_tstate(struct acpi_processor *pr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 			bool is_dead) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) static inline void acpi_processor_throttling_init(void) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) #endif	/* CONFIG_ACPI_CPU_FREQ_PSS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) /* in processor_idle.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) extern struct cpuidle_driver acpi_idle_driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) #ifdef CONFIG_ACPI_PROCESSOR_IDLE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) int acpi_processor_power_init(struct acpi_processor *pr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) int acpi_processor_power_exit(struct acpi_processor *pr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) int acpi_processor_power_state_has_changed(struct acpi_processor *pr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) int acpi_processor_hotplug(struct acpi_processor *pr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) static inline int acpi_processor_power_init(struct acpi_processor *pr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 	return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) static inline int acpi_processor_power_exit(struct acpi_processor *pr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 	return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) static inline int acpi_processor_power_state_has_changed(struct acpi_processor *pr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 	return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) static inline int acpi_processor_hotplug(struct acpi_processor *pr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 	return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) #endif /* CONFIG_ACPI_PROCESSOR_IDLE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) /* in processor_thermal.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) int acpi_processor_get_limit_info(struct acpi_processor *pr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) extern const struct thermal_cooling_device_ops processor_cooling_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) #if defined(CONFIG_ACPI_CPU_FREQ_PSS) & defined(CONFIG_CPU_FREQ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) void acpi_thermal_cpufreq_init(struct cpufreq_policy *policy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) void acpi_thermal_cpufreq_exit(struct cpufreq_policy *policy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) static inline void acpi_thermal_cpufreq_init(struct cpufreq_policy *policy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 	return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) static inline void acpi_thermal_cpufreq_exit(struct cpufreq_policy *policy)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 	return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) #endif	/* CONFIG_ACPI_CPU_FREQ_PSS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) #endif