AVCC3 is supported on IT8620E, similar to IT8603E. Add feature flag
to indicate AVCC3 support, and enable support for it on IT8620E.
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
drivers/hwmon/it87.c | 23 ++++++++++++++---------
1 file changed, 14 insertions(+), 9 deletions(-)
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 24e9369f1b74..a1c0226cac9f 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -229,6 +229,8 @@ static const u8 IT87_REG_TEMP_OFFSET[] = {0x56, 0x57, 0x59};
#define IT87_REG_VIN(nr) (0x20 + (nr))
#define IT87_REG_TEMP(nr) (0x29 + (nr))
+#define IT87_REG_AVCC3 0x2f
+
#define IT87_REG_VIN_MAX(nr) (0x30 + (nr) * 2)
#define IT87_REG_VIN_MIN(nr) (0x31 + (nr) * 2)
#define IT87_REG_TEMP_HIGH(nr) (0x40 + (nr) * 2)
@@ -264,6 +266,7 @@ 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_AVCC3 (1 << 12) /* Chip supports in9/AVCC3 */
static const struct it87_devices it87_devices[] = {
[it87] = {
@@ -374,7 +377,8 @@ static const struct it87_devices it87_devices[] = {
[it8603] = {
.name = "it8603",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL,
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
+ | FEAT_AVCC3,
.peci_mask = 0x07,
.suffix = "E",
},
@@ -382,7 +386,7 @@ static const struct it87_devices it87_devices[] = {
.name = "it8620",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_SIX_FANS
- | FEAT_IN7_INTERNAL,
+ | FEAT_IN7_INTERNAL | FEAT_AVCC3,
.peci_mask = 0x07,
.suffix = "E",
},
@@ -404,6 +408,7 @@ static const struct it87_devices it87_devices[] = {
#define has_vid(data) ((data)->features & FEAT_VID)
#define has_in7_internal(data) ((data)->features & FEAT_IN7_INTERNAL)
#define has_six_fans(data) ((data)->features & FEAT_SIX_FANS)
+#define has_avcc3(data) ((data)->features & FEAT_AVCC3)
struct it87_sio_data {
enum chips type;
@@ -1521,7 +1526,7 @@ static ssize_t show_label(struct device *dev, struct device_attribute *attr,
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(in8_label, S_IRUGO, show_label, NULL, 2);
-/* special AVCC3 IT8603E in9 */
+/* AVCC3 */
static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_label, NULL, 0);
static ssize_t show_name(struct device *dev, struct device_attribute
@@ -1911,8 +1916,10 @@ static int __init it87_find(unsigned short *address,
if (it87_devices[sio_data->type].features & FEAT_IN7_INTERNAL)
sio_data->internal |= (1 << 1);
- /* Only the IT8603E has in9 */
- if (sio_data->type != it8603)
+ /* in9 (AVCC3), always internal if supported */
+ if (it87_devices[sio_data->type].features & FEAT_AVCC3)
+ sio_data->internal |= (1 << 3); /* in9 is AVCC */
+ else
sio_data->skip_in |= (1 << 9);
if (!(it87_devices[sio_data->type].features & FEAT_VID))
@@ -2011,8 +2018,6 @@ static int __init it87_find(unsigned short *address,
sio_data->skip_in |= (1 << 5); /* No VIN5 */
sio_data->skip_in |= (1 << 6); /* No VIN6 */
- sio_data->internal |= (1 << 3); /* in9 is AVCC */
-
sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
} else if (sio_data->type == it8620) {
int reg;
@@ -2659,8 +2664,8 @@ static struct it87_data *it87_update_device(struct device *dev)
}
/* in8 (battery) has no limit registers */
data->in[8][0] = it87_read_value(data, IT87_REG_VIN(8));
- if (data->type == it8603)
- data->in[9][0] = it87_read_value(data, 0x2f);
+ if (has_avcc3(data))
+ data->in[9][0] = it87_read_value(data, IT87_REG_AVCC3);
for (i = 0; i < 6; i++) {
/* Skip disabled fans */
--
2.1.0
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