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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.c52
1 files changed, 41 insertions, 11 deletions
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 117d66fcded6..37fc980fde24 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -19,6 +19,8 @@
* IT8726F Super I/O chip w/LPC interface
* IT8728F 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
* IT8782F Super I/O chip w/LPC interface
* IT8783E/F Super I/O chip w/LPC interface
* Sis950 A clone of the IT8705F
@@ -61,8 +63,8 @@
#define DRVNAME "it87"
-enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8782,
- it8783 };
+enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8771,
+ it8772, it8782, it8783 };
static unsigned short force_id;
module_param(force_id, ushort, 0);
@@ -140,6 +142,8 @@ static inline void superio_exit(void)
#define IT8721F_DEVID 0x8721
#define IT8726F_DEVID 0x8726
#define IT8728F_DEVID 0x8728
+#define IT8771E_DEVID 0x8771
+#define IT8772E_DEVID 0x8772
#define IT8782F_DEVID 0x8782
#define IT8783E_DEVID 0x8783
#define IT87_ACT_REG 0x30
@@ -281,6 +285,24 @@ static const struct it87_devices it87_devices[] = {
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI,
.peci_mask = 0x07,
},
+ [it8771] = {
+ .name = "it8771",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI,
+ /* PECI: guesswork */
+ /* 12mV ADC (OHM) */
+ /* 16 bit fans (OHM) */
+ .peci_mask = 0x07,
+ },
+ [it8772] = {
+ .name = "it8772",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI,
+ /* PECI (coreboot) */
+ /* 12mV ADC (HWSensors4, OHM) */
+ /* 16 bit fans (HWSensors4, OHM) */
+ .peci_mask = 0x07,
+ },
[it8782] = {
.name = "it8782",
.features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
@@ -384,7 +406,7 @@ 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));
- return SENSORS_LIMIT(val, 0, 255);
+ return clamp_val(val, 0, 255);
}
static int in_from_reg(const struct it87_data *data, int nr, int val)
@@ -396,16 +418,15 @@ 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);
+ rpm = clamp_val(rpm, 1, 1000000);
+ return clamp_val((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);
+ return clamp_val((1350000 + rpm) / (rpm * 2), 1, 0xfffe);
}
#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : (val) == 255 ? 0 : \
@@ -414,8 +435,8 @@ static inline u16 FAN16_TO_REG(long rpm)
#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_TO_REG(val) (clamp_val(((val) < 0 ? (((val) - 500) / 1000) : \
+ ((val) + 500) / 1000), -128, 127))
#define TEMP_FROM_REG(val) ((val) * 1000)
static u8 pwm_to_reg(const struct it87_data *data, long val)
@@ -1709,6 +1730,12 @@ static int __init it87_find(unsigned short *address,
case IT8728F_DEVID:
sio_data->type = it8728;
break;
+ case IT8771E_DEVID:
+ sio_data->type = it8771;
+ break;
+ case IT8772E_DEVID:
+ sio_data->type = it8772;
+ break;
case IT8782F_DEVID:
sio_data->type = it8782;
break;
@@ -1826,10 +1853,11 @@ static int __init it87_find(unsigned short *address,
reg = superio_inb(IT87_SIO_GPIO3_REG);
if (sio_data->type == it8721 || sio_data->type == it8728 ||
+ sio_data->type == it8771 || sio_data->type == it8772 ||
sio_data->type == it8782) {
/*
* IT8721F/IT8758E, and IT8782F don't have VID pins
- * at all, not sure about the IT8728F.
+ * at all, not sure about the IT8728F and compatibles.
*/
sio_data->skip_vid = 1;
} else {
@@ -1883,7 +1911,9 @@ static int __init it87_find(unsigned short *address,
if (reg & (1 << 0))
sio_data->internal |= (1 << 0);
if ((reg & (1 << 1)) || sio_data->type == it8721 ||
- sio_data->type == it8728)
+ sio_data->type == it8728 ||
+ sio_data->type == it8771 ||
+ sio_data->type == it8772)
sio_data->internal |= (1 << 1);
/*