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Commit 0df6454d authored by Jean Delvare's avatar Jean Delvare Committed by Jean Delvare
Browse files

hwmon: (it87) Move conversion functions 



Move conversion functions until after structure defintions. This is
needed for future changes which make use of the structures in the
conversion funtcions.

Signed-off-by: default avatarJean Delvare <khali@linux-fr.org>
parent 0b22ce3b

drivers/hwmon/it87.c

+52 −50
Original line number Diff line number Diff line
@@ -202,56 +202,6 @@ static const u8 IT87_REG_FANX_MIN[] = { 0x1b, 0x1c, 0x1d, 0x85, 0x87 }; 
#define IT87_REG_AUTO_TEMP(nr, i) (0x60 + (nr) * 8 + (i))

#define IT87_REG_AUTO_PWM(nr, i)  (0x65 + (nr) * 8 + (i))



#define IN_TO_REG(val)  (SENSORS_LIMIT((((val) + 8)/16),0,255))

#define IN_FROM_REG(val) ((val) * 16)



static inline u8 FAN_TO_REG(long rpm, int div)

{

	if (rpm == 0)

		return 255;

	rpm = SENSORS_LIMIT(rpm, 1, 1000000);

	return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,

			     254);

}



static inline u16 FAN16_TO_REG(long rpm)

{

	if (rpm == 0)

		return 0xffff;

	return SENSORS_LIMIT((1350000 + rpm) / (rpm * 2), 1, 0xfffe);

}



#define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))

/* The divider is fixed to 2 in 16-bit mode */

#define FAN16_FROM_REG(val) ((val)==0?-1:(val)==0xffff?0:1350000/((val)*2))



#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)<0?(((val)-500)/1000):\

					((val)+500)/1000),-128,127))

#define TEMP_FROM_REG(val) ((val) * 1000)



#define PWM_TO_REG(val)   ((val) >> 1)

#define PWM_FROM_REG(val) (((val)&0x7f) << 1)



static int DIV_TO_REG(int val)

{

	int answer = 0;

	while (answer < 7 && (val >>= 1))

		answer++;

	return answer;

}

#define DIV_FROM_REG(val) (1 << (val))



static const unsigned int pwm_freq[8] = {

	48000000 / 128,

	24000000 / 128,

	12000000 / 128,

	8000000 / 128,

	6000000 / 128,

	3000000 / 128,

	1500000 / 128,

	750000 / 128,

};





struct it87_sio_data {

	enum chips type;
@@ -310,6 +260,58 @@ struct it87_data { 
	s8 auto_temp[3][5];	/* [nr][0] is point1_temp_hyst */

};



#define IN_TO_REG(val)  (SENSORS_LIMIT((((val) + 8) / 16), 0, 255))

#define IN_FROM_REG(val) ((val) * 16)



static inline u8 FAN_TO_REG(long rpm, int div)

{

	if (rpm == 0)

		return 255;

	rpm = SENSORS_LIMIT(rpm, 1, 1000000);

	return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,

			     254);

}



static inline u16 FAN16_TO_REG(long rpm)

{

	if (rpm == 0)

		return 0xffff;

	return SENSORS_LIMIT((1350000 + rpm) / (rpm * 2), 1, 0xfffe);

}



#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : (val) == 255 ? 0 : \

				1350000 / ((val) * (div)))

/* The divider is fixed to 2 in 16-bit mode */

#define FAN16_FROM_REG(val) ((val) == 0 ? -1 : (val) == 0xffff ? 0 : \

			     1350000 / ((val) * 2))



#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val) < 0 ? (((val) - 500) / 1000) : \

					((val) + 500) / 1000), -128, 127))

#define TEMP_FROM_REG(val) ((val) * 1000)



#define PWM_TO_REG(val)   ((val) >> 1)

#define PWM_FROM_REG(val) (((val) & 0x7f) << 1)



static int DIV_TO_REG(int val)

{

	int answer = 0;

	while (answer < 7 && (val >>= 1))

		answer++;

	return answer;

}

#define DIV_FROM_REG(val) (1 << (val))



static const unsigned int pwm_freq[8] = {

	48000000 / 128,

	24000000 / 128,

	12000000 / 128,

	8000000 / 128,

	6000000 / 128,

	3000000 / 128,

	1500000 / 128,

	750000 / 128,

};



static inline int has_16bit_fans(const struct it87_data *data)

{

	/* IT8705F Datasheet 0.4.1, 3h == Version G.