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path: root/drivers/hwmon/it87.c
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Diffstat (limited to 'drivers/hwmon/it87.c')
-rw-r--r--drivers/hwmon/it87.c43
1 files changed, 36 insertions, 7 deletions
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index d0ee556e8ce0..1896e26df634 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -21,6 +21,7 @@
* IT8721F Super I/O chip w/LPC interface
* IT8726F Super I/O chip w/LPC interface
* IT8728F Super I/O chip w/LPC interface
+ * IT8732F Super I/O chip w/LPC interface
* IT8758E Super I/O chip w/LPC interface
* IT8771E Super I/O chip w/LPC interface
* IT8772E Super I/O chip w/LPC interface
@@ -69,8 +70,9 @@
#define DRVNAME "it87"
-enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8771,
- it8772, it8781, it8782, it8783, it8786, it8790, it8603, it8620 };
+enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8732,
+ it8771, it8772, it8781, it8782, it8783, it8786, it8790, it8603,
+ it8620 };
static unsigned short force_id;
module_param(force_id, ushort, 0);
@@ -148,6 +150,7 @@ static inline void superio_exit(void)
#define IT8721F_DEVID 0x8721
#define IT8726F_DEVID 0x8726
#define IT8728F_DEVID 0x8728
+#define IT8732F_DEVID 0x8732
#define IT8771E_DEVID 0x8771
#define IT8772E_DEVID 0x8772
#define IT8781F_DEVID 0x8781
@@ -265,6 +268,7 @@ struct it87_devices {
#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)
static const struct it87_devices it87_devices[] = {
[it87] = {
@@ -315,6 +319,15 @@ static const struct it87_devices it87_devices[] = {
| FEAT_IN7_INTERNAL,
.peci_mask = 0x07,
},
+ [it8732] = {
+ .name = "it8732",
+ .suffix = "F",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI
+ | FEAT_10_9MV_ADC | FEAT_IN7_INTERNAL,
+ .peci_mask = 0x07,
+ .old_peci_mask = 0x02, /* Actually reports PCH */
+ },
[it8771] = {
.name = "it8771",
.suffix = "E",
@@ -391,6 +404,7 @@ static const struct it87_devices it87_devices[] = {
#define has_16bit_fans(data) ((data)->features & FEAT_16BIT_FANS)
#define has_12mv_adc(data) ((data)->features & FEAT_12MV_ADC)
+#define has_10_9mv_adc(data) ((data)->features & FEAT_10_9MV_ADC)
#define has_newer_autopwm(data) ((data)->features & FEAT_NEWER_AUTOPWM)
#define has_old_autopwm(data) ((data)->features & FEAT_OLD_AUTOPWM)
#define has_temp_offset(data) ((data)->features & FEAT_TEMP_OFFSET)
@@ -475,7 +489,14 @@ struct it87_data {
static int adc_lsb(const struct it87_data *data, int nr)
{
- int lsb = has_12mv_adc(data) ? 12 : 16;
+ int lsb;
+
+ if (has_12mv_adc(data))
+ lsb = 120;
+ else if (has_10_9mv_adc(data))
+ lsb = 109;
+ else
+ lsb = 160;
if (data->in_scaled & (1 << nr))
lsb <<= 1;
return lsb;
@@ -483,13 +504,13 @@ static int adc_lsb(const struct it87_data *data, int nr)
static u8 in_to_reg(const struct it87_data *data, int nr, long val)
{
- val = DIV_ROUND_CLOSEST(val, adc_lsb(data, nr));
+ val = DIV_ROUND_CLOSEST(val * 10, adc_lsb(data, nr));
return clamp_val(val, 0, 255);
}
static int in_from_reg(const struct it87_data *data, int nr, int val)
{
- return val * adc_lsb(data, nr);
+ return DIV_ROUND_CLOSEST(val * adc_lsb(data, nr), 10);
}
static inline u8 FAN_TO_REG(long rpm, int div)
@@ -1515,9 +1536,14 @@ static ssize_t show_label(struct device *dev, struct device_attribute *attr,
};
struct it87_data *data = dev_get_drvdata(dev);
int nr = to_sensor_dev_attr(attr)->index;
+ const char *label;
- return sprintf(buf, "%s\n", has_12mv_adc(data) ? labels_it8721[nr]
- : labels[nr]);
+ if (has_12mv_adc(data) || has_10_9mv_adc(data))
+ label = labels_it8721[nr];
+ else
+ label = labels[nr];
+
+ return sprintf(buf, "%s\n", label);
}
static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_label, NULL, 0);
static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_label, NULL, 1);
@@ -1853,6 +1879,9 @@ static int __init it87_find(unsigned short *address,
case IT8728F_DEVID:
sio_data->type = it8728;
break;
+ case IT8732F_DEVID:
+ sio_data->type = it8732;
+ break;
case IT8771E_DEVID:
sio_data->type = it8771;
break;