#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
u8 old_peci_mask;
};
-#define FEAT_12MV_ADC (1 << 0)
-#define FEAT_NEWER_AUTOPWM (1 << 1)
-#define FEAT_OLD_AUTOPWM (1 << 2)
-#define FEAT_16BIT_FANS (1 << 3)
-#define FEAT_TEMP_OFFSET (1 << 4)
-#define FEAT_TEMP_PECI (1 << 5)
-#define FEAT_TEMP_OLD_PECI (1 << 6)
-#define FEAT_FAN16_CONFIG (1 << 7) /* Need to enable 16-bit fans */
-#define FEAT_FIVE_FANS (1 << 8) /* Supports five fans */
-#define FEAT_VID (1 << 9) /* Set if chip supports VID */
-#define FEAT_IN7_INTERNAL (1 << 10) /* Set if in7 is internal */
-#define FEAT_SIX_FANS (1 << 11) /* Supports six fans */
-#define FEAT_10_9MV_ADC (1 << 12)
-#define FEAT_AVCC3 (1 << 13) /* Chip supports in9/AVCC3 */
-#define FEAT_SIX_PWM (1 << 14) /* Chip supports 6 pwm chn */
-#define FEAT_PWM_FREQ2 (1 << 15) /* Separate pwm freq 2 */
-#define FEAT_SIX_TEMP (1 << 16) /* Up to 6 temp sensors */
+#define FEAT_12MV_ADC BIT(0)
+#define FEAT_NEWER_AUTOPWM BIT(1)
+#define FEAT_OLD_AUTOPWM BIT(2)
+#define FEAT_16BIT_FANS BIT(3)
+#define FEAT_TEMP_OFFSET BIT(4)
+#define FEAT_TEMP_PECI BIT(5)
+#define FEAT_TEMP_OLD_PECI BIT(6)
+#define FEAT_FAN16_CONFIG BIT(7) /* Need to enable 16-bit fans */
+#define FEAT_FIVE_FANS BIT(8) /* Supports five fans */
+#define FEAT_VID BIT(9) /* Set if chip supports VID */
+#define FEAT_IN7_INTERNAL BIT(10) /* Set if in7 is internal */
+#define FEAT_SIX_FANS BIT(11) /* Supports six fans */
+#define FEAT_10_9MV_ADC BIT(12)
+#define FEAT_AVCC3 BIT(13) /* Chip supports in9/AVCC3 */
+#define FEAT_SIX_PWM BIT(14) /* Chip supports 6 pwm chn */
+#define FEAT_PWM_FREQ2 BIT(15) /* Separate pwm freq 2 */
+#define FEAT_SIX_TEMP BIT(16) /* Up to 6 temp sensors */
static const struct it87_devices it87_devices[] = {
[it87] = {
#define has_old_autopwm(data) ((data)->features & FEAT_OLD_AUTOPWM)
#define has_temp_offset(data) ((data)->features & FEAT_TEMP_OFFSET)
#define has_temp_peci(data, nr) (((data)->features & FEAT_TEMP_PECI) && \
- ((data)->peci_mask & (1 << nr)))
+ ((data)->peci_mask & BIT(nr)))
#define has_temp_old_peci(data, nr) \
(((data)->features & FEAT_TEMP_OLD_PECI) && \
- ((data)->old_peci_mask & (1 << nr)))
+ ((data)->old_peci_mask & BIT(nr)))
#define has_fan16_config(data) ((data)->features & FEAT_FAN16_CONFIG)
#define has_five_fans(data) ((data)->features & (FEAT_FIVE_FANS | \
FEAT_SIX_FANS))
lsb = 109;
else
lsb = 160;
- if (data->in_scaled & (1 << nr))
+ if (data->in_scaled & BIT(nr))
lsb <<= 1;
return lsb;
}
answer++;
return answer;
}
-#define DIV_FROM_REG(val) (1 << (val))
+
+#define DIV_FROM_REG(val) BIT(val)
/*
* PWM base frequencies. The frequency has to be divided by either 128 or 256,
it87_read_value(data, IT87_REG_CONFIG) | 0x40);
}
for (i = 0; i < ARRAY_SIZE(IT87_REG_VIN); i++) {
- if (!(data->has_in & (1 << i)))
+ if (!(data->has_in & BIT(i)))
continue;
data->in[i][0] =
for (i = 0; i < 6; i++) {
/* Skip disabled fans */
- if (!(data->has_fan & (1 << i)))
+ if (!(data->has_fan & BIT(i)))
continue;
data->fan[i][1] =
}
}
for (i = 0; i < 6; i++) {
- if (!(data->has_temp & (1 << i)))
+ if (!(data->has_temp & BIT(i)))
continue;
data->temp[i][0] =
it87_read_value(data, IT87_REG_TEMP(i));
static int pwm_mode(const struct it87_data *data, int nr)
{
- int ctrl = data->fan_main_ctrl & (1 << nr);
+ int ctrl = data->fan_main_ctrl & BIT(nr);
if (ctrl == 0 && data->type != it8603) /* Full speed */
return 0;
int nr = sensor_attr->index;
struct it87_data *data = it87_update_device(dev);
- return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]));
+ return sprintf(buf, "%lu\n", DIV_FROM_REG(data->fan_div[nr]));
}
static ssize_t show_pwm_enable(struct device *dev,
struct device_attribute *attr, char *buf)
int tmp;
/* make sure the fan is on when in on/off mode */
tmp = it87_read_value(data, IT87_REG_FAN_CTL);
- it87_write_value(data, IT87_REG_FAN_CTL, tmp | (1 << nr));
+ it87_write_value(data, IT87_REG_FAN_CTL, tmp | BIT(nr));
/* set on/off mode */
- data->fan_main_ctrl &= ~(1 << nr);
+ data->fan_main_ctrl &= ~BIT(nr);
it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
data->fan_main_ctrl);
} else {
if (data->type != it8603) {
/* set SmartGuardian mode */
- data->fan_main_ctrl |= (1 << nr);
+ data->fan_main_ctrl |= BIT(nr);
it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
data->fan_main_ctrl);
}
int map;
if (data->pwm_temp_map[nr] < 3)
- map = 1 << data->pwm_temp_map[nr];
+ map = BIT(data->pwm_temp_map[nr]);
else
map = 0; /* Should never happen */
return sprintf(buf, "%d\n", map);
return -EINVAL;
switch (val) {
- case (1 << 0):
+ case BIT(0):
reg = 0x00;
break;
- case (1 << 1):
+ case BIT(1):
reg = 0x01;
break;
- case (1 << 2):
+ case BIT(2):
reg = 0x02;
break;
default:
if (config < 0) {
count = config;
} else {
- config |= 1 << 5;
+ config |= BIT(5);
it87_write_value(data, IT87_REG_CONFIG, config);
/* Invalidate cache to force re-read */
data->valid = 0;
mutex_lock(&data->update_lock);
data->beeps = it87_read_value(data, IT87_REG_BEEP_ENABLE);
if (val)
- data->beeps |= (1 << bitnr);
+ data->beeps |= BIT(bitnr);
else
- data->beeps &= ~(1 << bitnr);
+ data->beeps &= ~BIT(bitnr);
it87_write_value(data, IT87_REG_BEEP_ENABLE, data->beeps);
mutex_unlock(&data->update_lock);
return count;
a = 0;
}
- if (!(data->has_in & (1 << i)))
+ if (!(data->has_in & BIT(i)))
return 0;
if (a == 4 && !data->has_beep)
a = 0;
}
- if (!(data->has_temp & (1 << i)))
+ if (!(data->has_temp & BIT(i)))
return 0;
if (a == 5 && !has_temp_offset(data))
if ((index == 2 || index == 3) && !data->has_vid)
return 0;
- if (index > 3 && !(data->in_internal & (1 << (index - 4))))
+ if (index > 3 && !(data->in_internal & BIT(index - 4)))
return 0;
return attr->mode;
a = (index - 15) % 4;
}
- if (!(data->has_fan & (1 << i)))
+ if (!(data->has_fan & BIT(i)))
return 0;
if (a == 3) { /* beep */
int i = index / 4; /* pwm index */
int a = index % 4; /* attribute index */
- if (!(data->has_pwm & (1 << i)))
+ if (!(data->has_pwm & BIT(i)))
return 0;
/* pwmX_auto_channels_temp is only writable for old auto pwm */
struct it87_data *data = dev_get_drvdata(dev);
int i = index / 9; /* pwm index */
- if (!(data->has_pwm & (1 << i)))
+ if (!(data->has_pwm & BIT(i)))
return 0;
return attr->mode;
/* in7 (VSB or VCCH5V) is always internal on some chips */
if (has_in7_internal(config))
- sio_data->internal |= (1 << 1);
+ sio_data->internal |= BIT(1);
/* in8 (Vbat) is always internal */
- sio_data->internal |= (1 << 2);
+ sio_data->internal |= BIT(2);
/* in9 (AVCC3), always internal if supported */
if (has_avcc3(config))
- sio_data->internal |= (1 << 3); /* in9 is AVCC */
+ sio_data->internal |= BIT(3); /* in9 is AVCC */
else
- sio_data->skip_in |= (1 << 9);
+ sio_data->skip_in |= BIT(9);
if (!has_six_pwm(config))
- sio_data->skip_pwm |= (1 << 3) | (1 << 4) | (1 << 5);
+ sio_data->skip_pwm |= BIT(3) | BIT(4) | BIT(5);
if (!has_vid(config))
sio_data->skip_vid = 1;
regef = superio_inb(sioaddr, IT87_SIO_SPI_REG);
/* Check if fan3 is there or not */
- if ((reg27 & (1 << 0)) || !(reg2c & (1 << 2)))
- sio_data->skip_fan |= (1 << 2);
- if ((reg25 & (1 << 4))
- || (!(reg2a & (1 << 1)) && (regef & (1 << 0))))
- sio_data->skip_pwm |= (1 << 2);
+ if ((reg27 & BIT(0)) || !(reg2c & BIT(2)))
+ sio_data->skip_fan |= BIT(2);
+ if ((reg25 & BIT(4))
+ || (!(reg2a & BIT(1)) && (regef & BIT(0))))
+ sio_data->skip_pwm |= BIT(2);
/* Check if fan2 is there or not */
- if (reg27 & (1 << 7))
- sio_data->skip_fan |= (1 << 1);
- if (reg27 & (1 << 3))
- sio_data->skip_pwm |= (1 << 1);
+ if (reg27 & BIT(7))
+ sio_data->skip_fan |= BIT(1);
+ if (reg27 & BIT(3))
+ sio_data->skip_pwm |= BIT(1);
/* VIN5 */
- if ((reg27 & (1 << 0)) || (reg2c & (1 << 2)))
- sio_data->skip_in |= (1 << 5); /* No VIN5 */
+ if ((reg27 & BIT(0)) || (reg2c & BIT(2)))
+ sio_data->skip_in |= BIT(5); /* No VIN5 */
/* VIN6 */
- if (reg27 & (1 << 1))
- sio_data->skip_in |= (1 << 6); /* No VIN6 */
+ if (reg27 & BIT(1))
+ sio_data->skip_in |= BIT(6); /* No VIN6 */
/*
* VIN7
* Does not depend on bit 2 of Reg2C, contrary to datasheet.
*/
- if (reg27 & (1 << 2)) {
+ if (reg27 & BIT(2)) {
/*
* The data sheet is a bit unclear regarding the
* internal voltage divider for VCCH5V. It says
* not the case, and ask the user to report if the
* resulting voltage is sane.
*/
- if (!(reg2c & (1 << 1))) {
- reg2c |= (1 << 1);
+ if (!(reg2c & BIT(1))) {
+ reg2c |= BIT(1);
superio_outb(sioaddr, IT87_SIO_PINX2_REG,
reg2c);
pr_notice("Routing internal VCCH5V to in7.\n");
pr_notice("Please report if it displays a reasonable voltage.\n");
}
- if (reg2c & (1 << 0))
- sio_data->internal |= (1 << 0);
- if (reg2c & (1 << 1))
- sio_data->internal |= (1 << 1);
+ if (reg2c & BIT(0))
+ sio_data->internal |= BIT(0);
+ if (reg2c & BIT(1))
+ sio_data->internal |= BIT(1);
sio_data->beep_pin = superio_inb(sioaddr,
IT87_SIO_BEEP_PIN_REG) & 0x3f;
reg27 = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
/* Check if fan3 is there or not */
- if (reg27 & (1 << 6))
- sio_data->skip_pwm |= (1 << 2);
- if (reg27 & (1 << 7))
- sio_data->skip_fan |= (1 << 2);
+ if (reg27 & BIT(6))
+ sio_data->skip_pwm |= BIT(2);
+ if (reg27 & BIT(7))
+ sio_data->skip_fan |= BIT(2);
/* Check if fan2 is there or not */
reg29 = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
- if (reg29 & (1 << 1))
- sio_data->skip_pwm |= (1 << 1);
- if (reg29 & (1 << 2))
- sio_data->skip_fan |= (1 << 1);
+ if (reg29 & BIT(1))
+ sio_data->skip_pwm |= BIT(1);
+ if (reg29 & BIT(2))
+ sio_data->skip_fan |= BIT(1);
- sio_data->skip_in |= (1 << 5); /* No VIN5 */
- sio_data->skip_in |= (1 << 6); /* No VIN6 */
+ sio_data->skip_in |= BIT(5); /* No VIN5 */
+ sio_data->skip_in |= BIT(6); /* No VIN6 */
sio_data->beep_pin = superio_inb(sioaddr,
IT87_SIO_BEEP_PIN_REG) & 0x3f;
/* Check for pwm5 */
reg = superio_inb(sioaddr, IT87_SIO_GPIO1_REG);
- if (reg & (1 << 6))
- sio_data->skip_pwm |= (1 << 4);
+ if (reg & BIT(6))
+ sio_data->skip_pwm |= BIT(4);
/* Check for fan4, fan5 */
reg = superio_inb(sioaddr, IT87_SIO_GPIO2_REG);
- if (!(reg & (1 << 5)))
- sio_data->skip_fan |= (1 << 3);
- if (!(reg & (1 << 4)))
- sio_data->skip_fan |= (1 << 4);
+ if (!(reg & BIT(5)))
+ sio_data->skip_fan |= BIT(3);
+ if (!(reg & BIT(4)))
+ sio_data->skip_fan |= BIT(4);
/* Check for pwm3, fan3 */
reg = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
- if (reg & (1 << 6))
- sio_data->skip_pwm |= (1 << 2);
- if (reg & (1 << 7))
- sio_data->skip_fan |= (1 << 2);
+ if (reg & BIT(6))
+ sio_data->skip_pwm |= BIT(2);
+ if (reg & BIT(7))
+ sio_data->skip_fan |= BIT(2);
/* Check for pwm4 */
reg = superio_inb(sioaddr, IT87_SIO_GPIO4_REG);
- if (!(reg & (1 << 2)))
- sio_data->skip_pwm |= (1 << 3);
+ if (!(reg & BIT(2)))
+ sio_data->skip_pwm |= BIT(3);
/* Check for pwm2, fan2 */
reg = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
- if (reg & (1 << 1))
- sio_data->skip_pwm |= (1 << 1);
- if (reg & (1 << 2))
- sio_data->skip_fan |= (1 << 1);
+ if (reg & BIT(1))
+ sio_data->skip_pwm |= BIT(1);
+ if (reg & BIT(2))
+ sio_data->skip_fan |= BIT(1);
/* Check for pwm6, fan6 */
- if (!(reg & (1 << 7))) {
- sio_data->skip_pwm |= (1 << 5);
- sio_data->skip_fan |= (1 << 5);
+ if (!(reg & BIT(7))) {
+ sio_data->skip_pwm |= BIT(5);
+ sio_data->skip_fan |= BIT(5);
}
sio_data->beep_pin = superio_inb(sioaddr,
}
/* Check if fan3 is there or not */
- if (reg & (1 << 6))
- sio_data->skip_pwm |= (1 << 2);
- if (reg & (1 << 7))
- sio_data->skip_fan |= (1 << 2);
+ if (reg & BIT(6))
+ sio_data->skip_pwm |= BIT(2);
+ if (reg & BIT(7))
+ sio_data->skip_fan |= BIT(2);
/* Check if fan2 is there or not */
reg = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
- if (reg & (1 << 1))
- sio_data->skip_pwm |= (1 << 1);
- if (reg & (1 << 2))
- sio_data->skip_fan |= (1 << 1);
+ if (reg & BIT(1))
+ sio_data->skip_pwm |= BIT(1);
+ if (reg & BIT(2))
+ sio_data->skip_fan |= BIT(1);
if ((sio_data->type == it8718 || sio_data->type == it8720)
&& !(sio_data->skip_vid))
reg = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
- uart6 = sio_data->type == it8782 && (reg & (1 << 2));
+ uart6 = sio_data->type == it8782 && (reg & BIT(2));
/*
* The IT8720F has no VIN7 pin, so VCCH should always be
* If UART6 is enabled, re-route VIN7 to the internal divider
* if that is not already the case.
*/
- if ((sio_data->type == it8720 || uart6) && !(reg & (1 << 1))) {
- reg |= (1 << 1);
+ if ((sio_data->type == it8720 || uart6) && !(reg & BIT(1))) {
+ reg |= BIT(1);
superio_outb(sioaddr, IT87_SIO_PINX2_REG, reg);
pr_notice("Routing internal VCCH to in7\n");
}
- if (reg & (1 << 0))
- sio_data->internal |= (1 << 0);
- if (reg & (1 << 1))
- sio_data->internal |= (1 << 1);
+ if (reg & BIT(0))
+ sio_data->internal |= BIT(0);
+ if (reg & BIT(1))
+ sio_data->internal |= BIT(1);
/*
* On IT8782F, UART6 pins overlap with VIN5, VIN6, and VIN7.
* temperature source here, skip_temp is preliminary.
*/
if (uart6) {
- sio_data->skip_in |= (1 << 5) | (1 << 6);
- sio_data->skip_temp |= (1 << 2);
+ sio_data->skip_in |= BIT(5) | BIT(6);
+ sio_data->skip_temp |= BIT(2);
}
sio_data->beep_pin = superio_inb(sioaddr,
* the same board is ever used in other systems.
*/
pr_info("Disabling pwm2 due to hardware constraints\n");
- sio_data->skip_pwm = (1 << 1);
+ sio_data->skip_pwm = BIT(1);
}
}
/* Check for additional fans */
if (has_five_fans(data)) {
- if (tmp & (1 << 4))
- data->has_fan |= (1 << 3); /* fan4 enabled */
- if (tmp & (1 << 5))
- data->has_fan |= (1 << 4); /* fan5 enabled */
- if (has_six_fans(data) && (tmp & (1 << 2)))
- data->has_fan |= (1 << 5); /* fan6 enabled */
+ if (tmp & BIT(4))
+ data->has_fan |= BIT(3); /* fan4 enabled */
+ if (tmp & BIT(5))
+ data->has_fan |= BIT(4); /* fan5 enabled */
+ if (has_six_fans(data) && (tmp & BIT(2)))
+ data->has_fan |= BIT(5); /* fan6 enabled */
}
/* Fan input pins may be used for alternative functions */
/* The following code may be IT8620E specific */
tmp = it87_read_value(data, IT87_REG_FAN_DIV);
if ((tmp & 0xc0) == 0xc0)
- sio_data->skip_pwm |= (1 << 4);
- if (!(tmp & (1 << 3)))
- sio_data->skip_pwm |= (1 << 5);
+ sio_data->skip_pwm |= BIT(4);
+ if (!(tmp & BIT(3)))
+ sio_data->skip_pwm |= BIT(5);
}
/* Start monitoring */
/* Starting with IT8721F, we handle scaling of internal voltages */
if (has_12mv_adc(data)) {
- if (sio_data->internal & (1 << 0))
- data->in_scaled |= (1 << 3); /* in3 is AVCC */
- if (sio_data->internal & (1 << 1))
- data->in_scaled |= (1 << 7); /* in7 is VSB */
- if (sio_data->internal & (1 << 2))
- data->in_scaled |= (1 << 8); /* in8 is Vbat */
- if (sio_data->internal & (1 << 3))
- data->in_scaled |= (1 << 9); /* in9 is AVCC */
+ if (sio_data->internal & BIT(0))
+ data->in_scaled |= BIT(3); /* in3 is AVCC */
+ if (sio_data->internal & BIT(1))
+ data->in_scaled |= BIT(7); /* in7 is VSB */
+ if (sio_data->internal & BIT(2))
+ data->in_scaled |= BIT(8); /* in8 is Vbat */
+ if (sio_data->internal & BIT(3))
+ data->in_scaled |= BIT(9); /* in9 is AVCC */
} else if (sio_data->type == it8781 || sio_data->type == it8782 ||
sio_data->type == it8783) {
- if (sio_data->internal & (1 << 0))
- data->in_scaled |= (1 << 3); /* in3 is VCC5V */
- if (sio_data->internal & (1 << 1))
- data->in_scaled |= (1 << 7); /* in7 is VCCH5V */
+ if (sio_data->internal & BIT(0))
+ data->in_scaled |= BIT(3); /* in3 is VCC5V */
+ if (sio_data->internal & BIT(1))
+ data->in_scaled |= BIT(7); /* in7 is VCCH5V */
}
data->has_temp = 0x07;
- if (sio_data->skip_temp & (1 << 2)) {
+ if (sio_data->skip_temp & BIT(2)) {
if (sio_data->type == it8782
&& !(it87_read_value(data, IT87_REG_TEMP_EXTRA) & 0x80))
- data->has_temp &= ~(1 << 2);
+ data->has_temp &= ~BIT(2);
}
data->in_internal = sio_data->internal;
/* Check for additional temperature sensors */
if ((reg & 0x03) >= 0x02)
- data->has_temp |= (1 << 3);
+ data->has_temp |= BIT(3);
if (((reg >> 2) & 0x03) >= 0x02)
- data->has_temp |= (1 << 4);
+ data->has_temp |= BIT(4);
if (((reg >> 4) & 0x03) >= 0x02)
- data->has_temp |= (1 << 5);
+ data->has_temp |= BIT(5);
/* Check for additional voltage sensors */
if ((reg & 0x03) == 0x01)
- data->has_in |= (1 << 10);
+ data->has_in |= BIT(10);
if (((reg >> 2) & 0x03) == 0x01)
- data->has_in |= (1 << 11);
+ data->has_in |= BIT(11);
if (((reg >> 4) & 0x03) == 0x01)
- data->has_in |= (1 << 12);
+ data->has_in |= BIT(12);
}
data->has_beep = !!sio_data->beep_pin;
data->groups[3] = &it87_group_fan;
if (enable_pwm_interface) {
- data->has_pwm = (1 << ARRAY_SIZE(IT87_REG_PWM)) - 1;
+ data->has_pwm = BIT(ARRAY_SIZE(IT87_REG_PWM)) - 1;
data->has_pwm &= ~sio_data->skip_pwm;
data->groups[4] = &it87_group_pwm;
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