cregit-Linux how code gets into the kernel

Release 4.14 arch/mips/include/asm/mach-loongson64/loongson_hwmon.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LOONGSON_HWMON_H_

#define __LOONGSON_HWMON_H_

#include <linux/types.h>


#define MIN_TEMP	0

#define MAX_TEMP	255

#define NOT_VALID_TEMP	999


typedef int (*get_temp_fun)(int);
extern int loongson3_cpu_temp(int);

/* 0:Max speed, 1:Manual, 2:Auto */

enum fan_control_mode {
	
FAN_FULL_MODE = 0,
	
FAN_MANUAL_MODE = 1,
	
FAN_AUTO_MODE = 2,
	
FAN_MODE_END
};


struct temp_range {
	
u8 low;
	
u8 high;
	
u8 level;
};


#define CONSTANT_SPEED_POLICY	0  
/* at constant speed */

#define STEP_SPEED_POLICY	1  
/* use up/down arrays to describe policy */

#define KERNEL_HELPER_POLICY	2  
/* kernel as a helper to fan control */


#define MAX_STEP_NUM	16

#define MAX_FAN_LEVEL	255

/* loongson_fan_policy works when fan work at FAN_AUTO_MODE */

struct loongson_fan_policy {
	
u8	type;

	/* percent only used when type is CONSTANT_SPEED_POLICY */
	
u8	percent;

	/* period between two check. (Unit: S) */
	
u8	adjust_period;

	/* fan adjust usually depend on a temprature input */
	
get_temp_fun	depend_temp;

	/* up_step/down_step used when type is STEP_SPEED_POLICY */
	
u8	up_step_num;
	
u8	down_step_num;
	
struct temp_range up_step[MAX_STEP_NUM];
	
struct temp_range down_step[MAX_STEP_NUM];
	
struct delayed_work work;
};

#endif /* __LOONGSON_HWMON_H_*/

Overall Contributors

PersonTokensPropCommitsCommitProp
Huacai Chen14298.61%133.33%
Greg Kroah-Hartman10.69%133.33%
Andrea Gelmini10.69%133.33%
Total144100.00%3100.00%
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