IT8620E supports up to 6 fan tachometers.
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
drivers/hwmon/it87.c | 51 ++++++++++++++++++++++++++++++++++++---------------
1 file changed, 36 insertions(+), 15 deletions(-)
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index ee6d30960fce..24e9369f1b74 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -215,11 +215,11 @@ static bool fix_pwm_polarity;
/* Monitors: 9 voltage (0 to 7, battery), 3 temp (1 to 3), 3 fan (1 to 3) */
-static const u8 IT87_REG_FAN[] = { 0x0d, 0x0e, 0x0f, 0x80, 0x82 };
-static const u8 IT87_REG_FAN_MIN[] = { 0x10, 0x11, 0x12, 0x84, 0x86 };
-static const u8 IT87_REG_FANX[] = { 0x18, 0x19, 0x1a, 0x81, 0x83 };
-static const u8 IT87_REG_FANX_MIN[] = { 0x1b, 0x1c, 0x1d, 0x85, 0x87 };
-static const u8 IT87_REG_TEMP_OFFSET[] = { 0x56, 0x57, 0x59 };
+static const u8 IT87_REG_FAN[] = {0x0d, 0x0e, 0x0f, 0x80, 0x82, 0x4c};
+static const u8 IT87_REG_FAN_MIN[] = {0x10, 0x11, 0x12, 0x84, 0x86, 0x4e};
+static const u8 IT87_REG_FANX[] = {0x18, 0x19, 0x1a, 0x81, 0x83, 0x4d};
+static const u8 IT87_REG_FANX_MIN[] = {0x1b, 0x1c, 0x1d, 0x85, 0x87, 0x4f};
+static const u8 IT87_REG_TEMP_OFFSET[] = {0x56, 0x57, 0x59};
#define IT87_REG_FAN_MAIN_CTRL 0x13
#define IT87_REG_FAN_CTL 0x14
@@ -263,6 +263,7 @@ struct it87_devices {
#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 */
static const struct it87_devices it87_devices[] = {
[it87] = {
@@ -380,7 +381,7 @@ static const struct it87_devices it87_devices[] = {
[it8620] = {
.name = "it8620",
.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_SIX_FANS
| FEAT_IN7_INTERNAL,
.peci_mask = 0x07,
.suffix = "E",
@@ -398,9 +399,11 @@ static const struct it87_devices it87_devices[] = {
(((data)->features & FEAT_TEMP_OLD_PECI) && \
((data)->old_peci_mask & (1 << nr)))
#define has_fan16_config(data) ((data)->features & FEAT_FAN16_CONFIG)
-#define has_five_fans(data) ((data)->features & FEAT_FIVE_FANS)
+#define has_five_fans(data) ((data)->features & (FEAT_FIVE_FANS | \
+ FEAT_SIX_FANS))
#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)
struct it87_sio_data {
enum chips type;
@@ -437,7 +440,7 @@ struct it87_data {
u16 in_scaled; /* Internal voltage sensors are scaled */
u8 in[10][3]; /* [nr][0]=in, [1]=min, [2]=max */
u8 has_fan; /* Bitfield, fans enabled */
- u16 fan[5][2]; /* Register values, [nr][0]=fan, [1]=min */
+ u16 fan[6][2]; /* Register values, [nr][0]=fan, [1]=min */
u8 has_temp; /* Bitfield, temp sensors enabled */
s8 temp[3][4]; /* [nr][0]=temp, [1]=min, [2]=max, [3]=offset */
u8 sensor; /* Register value (IT87_REG_TEMP_ENABLE) */
@@ -1276,6 +1279,10 @@ static SENSOR_DEVICE_ATTR_2(fan5_input, S_IRUGO, show_fan, NULL, 4, 0);
static SENSOR_DEVICE_ATTR_2(fan5_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
4, 1);
+static SENSOR_DEVICE_ATTR_2(fan6_input, S_IRUGO, show_fan, NULL, 5, 0);
+static SENSOR_DEVICE_ATTR_2(fan6_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
+ 5, 1);
+
static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
show_pwm_enable, set_pwm_enable, 0);
static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 0);
@@ -1406,6 +1413,7 @@ static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 1);
static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 2);
static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 3);
static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 6);
+static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 7);
static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 16);
static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 17);
static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 18);
@@ -1456,6 +1464,7 @@ static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO, show_beep, set_beep, 0);
static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO, show_beep, set_beep, 0);
static SENSOR_DEVICE_ATTR(fan4_beep, S_IRUGO, show_beep, set_beep, 0);
static SENSOR_DEVICE_ATTR(fan5_beep, S_IRUGO, show_beep, set_beep, 0);
+static SENSOR_DEVICE_ATTR(fan6_beep, S_IRUGO, show_beep, set_beep, 0);
static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
show_beep, set_beep, 2);
static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO, show_beep, NULL, 2);
@@ -1659,7 +1668,7 @@ static struct attribute *it87_attributes_temp_beep[] = {
&sensor_dev_attr_temp3_beep.dev_attr.attr,
};
-static struct attribute *it87_attributes_fan[5][3+1] = { {
+static struct attribute *it87_attributes_fan[6][3+1] = { {
&sensor_dev_attr_fan1_input.dev_attr.attr,
&sensor_dev_attr_fan1_min.dev_attr.attr,
&sensor_dev_attr_fan1_alarm.dev_attr.attr,
@@ -1684,14 +1693,20 @@ static struct attribute *it87_attributes_fan[5][3+1] = { {
&sensor_dev_attr_fan5_min.dev_attr.attr,
&sensor_dev_attr_fan5_alarm.dev_attr.attr,
NULL
+}, {
+ &sensor_dev_attr_fan6_input.dev_attr.attr,
+ &sensor_dev_attr_fan6_min.dev_attr.attr,
+ &sensor_dev_attr_fan6_alarm.dev_attr.attr,
+ NULL
} };
-static const struct attribute_group it87_group_fan[5] = {
+static const struct attribute_group it87_group_fan[6] = {
{ .attrs = it87_attributes_fan[0] },
{ .attrs = it87_attributes_fan[1] },
{ .attrs = it87_attributes_fan[2] },
{ .attrs = it87_attributes_fan[3] },
{ .attrs = it87_attributes_fan[4] },
+ { .attrs = it87_attributes_fan[5] },
};
static const struct attribute *it87_attributes_fan_div[] = {
@@ -1773,6 +1788,7 @@ static struct attribute *it87_attributes_fan_beep[] = {
&sensor_dev_attr_fan3_beep.dev_attr.attr,
&sensor_dev_attr_fan4_beep.dev_attr.attr,
&sensor_dev_attr_fan5_beep.dev_attr.attr,
+ &sensor_dev_attr_fan6_beep.dev_attr.attr,
};
static struct attribute *it87_attributes_vid[] = {
@@ -2154,7 +2170,7 @@ static void it87_remove_files(struct device *dev)
sysfs_remove_file(&dev->kobj,
it87_attributes_temp_beep[i]);
}
- for (i = 0; i < 5; i++) {
+ for (i = 0; i < 6; i++) {
if (!(data->has_fan & (1 << i)))
continue;
sysfs_remove_group(&dev->kobj, &it87_group_fan[i]);
@@ -2311,7 +2327,7 @@ static int it87_probe(struct platform_device *pdev)
/* Do not create fan files for disabled fans */
fan_beep_need_rw = 1;
- for (i = 0; i < 5; i++) {
+ for (i = 0; i < 6; i++) {
if (!(data->has_fan & (1 << i)))
continue;
err = sysfs_create_group(&dev->kobj, &it87_group_fan[i]);
@@ -2556,9 +2572,10 @@ static void it87_init_device(struct platform_device *pdev)
}
data->has_fan = (data->fan_main_ctrl >> 4) & 0x07;
+ tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
+
/* Set tachometers to 16-bit mode if needed */
if (has_fan16_config(data)) {
- tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
if (~tmp & 0x07 & data->has_fan) {
dev_dbg(&pdev->dev,
"Setting fan1-3 to 16-bit mode\n");
@@ -2569,13 +2586,17 @@ static void it87_init_device(struct platform_device *pdev)
/* Check for additional fans */
if (has_five_fans(data)) {
- tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
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)) {
+ if (tmp & (1 << 2))
+ data->has_fan |= (1 << 5); /* fan6 enabled */
+ }
+
/* Fan input pins may be used for alternative functions */
data->has_fan &= ~sio_data->skip_fan;
@@ -2641,7 +2662,7 @@ static struct it87_data *it87_update_device(struct device *dev)
if (data->type == it8603)
data->in[9][0] = it87_read_value(data, 0x2f);
- for (i = 0; i < 5; i++) {
+ for (i = 0; i < 6; i++) {
/* Skip disabled fans */
if (!(data->has_fan & (1 << i)))
continue;
--
2.1.0
_______________________________________________
lm-sensors mailing list
lm-sensors@xxxxxxxxxxxxxx
http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
