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hwmon: (it87) Improve IT8622 support

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Configuration registers on ITE8622 are different to 8620 and 8628 and
require special handling. Also, the chip supports up to 5 pwm controls.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2017-02-08 14:00:21 -08:00
parent 8af1abae72
commit 638c1c07f9
1 changed files with 59 additions and 8 deletions
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67
drivers/hwmon/it87.c
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@ -295,10 +295,11 @@ struct it87_devices {
#define FEAT_SIX_FANS BIT(11) /* Supports six fans */ #define FEAT_SIX_FANS BIT(11) /* Supports six fans */
#define FEAT_10_9MV_ADC BIT(12) #define FEAT_10_9MV_ADC BIT(12)
#define FEAT_AVCC3 BIT(13) /* Chip supports in9/AVCC3 */ #define FEAT_AVCC3 BIT(13) /* Chip supports in9/AVCC3 */
#define FEAT_SIX_PWM BIT(14) /* Chip supports 6 pwm chn */ #define FEAT_FIVE_PWM BIT(14) /* Chip supports 5 pwm chn */
#define FEAT_PWM_FREQ2 BIT(15) /* Separate pwm freq 2 */ #define FEAT_SIX_PWM BIT(15) /* Chip supports 6 pwm chn */
#define FEAT_SIX_TEMP BIT(16) /* Up to 6 temp sensors */ #define FEAT_PWM_FREQ2 BIT(16) /* Separate pwm freq 2 */
#define FEAT_VIN3_5V BIT(17) /* VIN3 connected to +5V */ #define FEAT_SIX_TEMP BIT(17) /* Up to 6 temp sensors */
#define FEAT_VIN3_5V BIT(18) /* VIN3 connected to +5V */
static const struct it87_devices it87_devices[] = { static const struct it87_devices it87_devices[] = {
[it87] = { [it87] = {
@ -444,8 +445,8 @@ static const struct it87_devices it87_devices[] = {
.suffix = "E", .suffix = "E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_FIVE_FANS | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_FIVE_FANS
| FEAT_IN7_INTERNAL | FEAT_PWM_FREQ2 | FEAT_AVCC3 | FEAT_FIVE_PWM | FEAT_IN7_INTERNAL | FEAT_PWM_FREQ2
| FEAT_VIN3_5V, | FEAT_AVCC3 | FEAT_VIN3_5V,
.peci_mask = 0x07, .peci_mask = 0x07,
}, },
[it8628] = { [it8628] = {
@ -477,6 +478,8 @@ static const struct it87_devices it87_devices[] = {
#define has_in7_internal(data) ((data)->features & FEAT_IN7_INTERNAL) #define has_in7_internal(data) ((data)->features & FEAT_IN7_INTERNAL)
#define has_six_fans(data) ((data)->features & FEAT_SIX_FANS) #define has_six_fans(data) ((data)->features & FEAT_SIX_FANS)
#define has_avcc3(data) ((data)->features & FEAT_AVCC3) #define has_avcc3(data) ((data)->features & FEAT_AVCC3)
#define has_five_pwm(data) ((data)->features & (FEAT_FIVE_PWM \
| FEAT_SIX_PWM))
#define has_six_pwm(data) ((data)->features & FEAT_SIX_PWM) #define has_six_pwm(data) ((data)->features & FEAT_SIX_PWM)
#define has_pwm_freq2(data) ((data)->features & FEAT_PWM_FREQ2) #define has_pwm_freq2(data) ((data)->features & FEAT_PWM_FREQ2)
#define has_six_temp(data) ((data)->features & FEAT_SIX_TEMP) #define has_six_temp(data) ((data)->features & FEAT_SIX_TEMP)
@ -1929,11 +1932,13 @@ static ssize_t show_label(struct device *dev, struct device_attribute *attr,
"+5V", "+5V",
"5VSB", "5VSB",
"Vbat", "Vbat",
"AVCC",
}; };
static const char * const labels_it8721[] = { static const char * const labels_it8721[] = {
"+3.3V", "+3.3V",
"3VSB", "3VSB",
"Vbat", "Vbat",
"+3.3V",
}; };
struct it87_data *data = dev_get_drvdata(dev); struct it87_data *data = dev_get_drvdata(dev);
int nr = to_sensor_dev_attr(attr)->index; int nr = to_sensor_dev_attr(attr)->index;
@ -1952,7 +1957,7 @@ static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_label, NULL, 0);
static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_label, NULL, 1); static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_label, NULL, 1);
static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, show_label, NULL, 2); static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, show_label, NULL, 2);
/* AVCC3 */ /* AVCC3 */
static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_label, NULL, 0); static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_label, NULL, 3);
static umode_t it87_in_is_visible(struct kobject *kobj, static umode_t it87_in_is_visible(struct kobject *kobj,
struct attribute *attr, int index) struct attribute *attr, int index)
@ -2475,8 +2480,10 @@ static int __init it87_find(int sioaddr, unsigned short *address,
else else
sio_data->skip_in |= BIT(9); sio_data->skip_in |= BIT(9);
if (!has_six_pwm(config)) if (!has_five_pwm(config))
sio_data->skip_pwm |= BIT(3) | BIT(4) | BIT(5); sio_data->skip_pwm |= BIT(3) | BIT(4) | BIT(5);
else if (!has_six_pwm(config))
sio_data->skip_pwm |= BIT(5);
if (!has_vid(config)) if (!has_vid(config))
sio_data->skip_vid = 1; sio_data->skip_vid = 1;
@ -2620,6 +2627,50 @@ static int __init it87_find(int sioaddr, unsigned short *address,
sio_data->skip_fan |= BIT(5); sio_data->skip_fan |= BIT(5);
} }
/* Check if AVCC is on VIN3 */
reg = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
if (reg & BIT(0))
sio_data->internal |= BIT(0);
else
sio_data->skip_in |= BIT(9);
sio_data->beep_pin = superio_inb(sioaddr,
IT87_SIO_BEEP_PIN_REG) & 0x3f;
} else if (sio_data->type == it8622) {
int reg;
superio_select(sioaddr, GPIO);
/* Check for pwm4, fan4 */
reg = superio_inb(sioaddr, IT87_SIO_GPIO1_REG);
if (reg & BIT(6))
sio_data->skip_fan |= BIT(3);
if (reg & BIT(5))
sio_data->skip_pwm |= BIT(3);
/* Check for pwm3, fan3, pwm5, fan5 */
reg = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
if (reg & BIT(6))
sio_data->skip_pwm |= BIT(2);
if (reg & BIT(7))
sio_data->skip_fan |= BIT(2);
if (reg & BIT(3))
sio_data->skip_pwm |= BIT(4);
if (reg & BIT(1))
sio_data->skip_fan |= BIT(4);
/* Check for pwm2, fan2 */
reg = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
if (reg & BIT(1))
sio_data->skip_pwm |= BIT(1);
if (reg & BIT(2))
sio_data->skip_fan |= BIT(1);
/* Check for AVCC */
reg = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
if (!(reg & BIT(0)))
sio_data->skip_in |= BIT(9);
sio_data->beep_pin = superio_inb(sioaddr, sio_data->beep_pin = superio_inb(sioaddr,
IT87_SIO_BEEP_PIN_REG) & 0x3f; IT87_SIO_BEEP_PIN_REG) & 0x3f;
} else { } else {