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authorGuenter Roeck <linux@roeck-us.net>2015-01-17 14:10:24 -0800
committerGuenter Roeck <linux@roeck-us.net>2015-03-09 09:59:35 -0700
commit7bc32d298b0b597a0a8a6527c9929fac68524d4a (patch)
treef4132529a5e66a06d3c37ab34e51018523de8692 /drivers/hwmon
parenta0fc74d42d2215496302a0e2c03e9f2db30cc1b7 (diff)
hwmon: (it87) Add support for IT8781F
IT8781F is mostly compatible to IT8782F. Major difference is that it only supports four instead of six UART channels, and therefore does not share the uart6 pins. Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/Kconfig4
-rw-r--r--drivers/hwmon/it87.c32
2 files changed, 26 insertions, 10 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 110fade9cb74..f5fc54e24fea 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -599,8 +599,8 @@ config SENSORS_IT87
help
If you say yes here you get support for ITE IT8705F, IT8712F,
IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E,
- IT8771E, IT8772E, IT8782F, IT8783E/F and IT8603E sensor chips,
- and the SiS950 clone.
+ IT8771E, IT8772E, IT8781F, IT8782F, IT8783E/F and IT8603E
+ sensor chips, and the SiS950 clone.
This driver can also be built as a module. If so, the module
will be called it87.
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 409116c52cc5..ed25e4bab978 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -23,6 +23,7 @@
* IT8758E Super I/O chip w/LPC interface
* IT8771E Super I/O chip w/LPC interface
* IT8772E Super I/O chip w/LPC interface
+ * IT8781F 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
@@ -66,7 +67,7 @@
#define DRVNAME "it87"
enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8771,
- it8772, it8782, it8783, it8603 };
+ it8772, it8781, it8782, it8783, it8603 };
static unsigned short force_id;
module_param(force_id, ushort, 0);
@@ -146,6 +147,7 @@ static inline void superio_exit(void)
#define IT8728F_DEVID 0x8728
#define IT8771E_DEVID 0x8771
#define IT8772E_DEVID 0x8772
+#define IT8781F_DEVID 0x8781
#define IT8782F_DEVID 0x8782
#define IT8783E_DEVID 0x8783
#define IT8603E_DEVID 0x8603
@@ -307,6 +309,12 @@ static const struct it87_devices it87_devices[] = {
/* 16 bit fans (HWSensors4, OHM) */
.peci_mask = 0x07,
},
+ [it8781] = {
+ .name = "it8781",
+ .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
+ | FEAT_TEMP_OLD_PECI,
+ .old_peci_mask = 0x4,
+ },
[it8782] = {
.name = "it8782",
.features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
@@ -1761,6 +1769,9 @@ static int __init it87_find(unsigned short *address,
case IT8772E_DEVID:
sio_data->type = it8772;
break;
+ case IT8781F_DEVID:
+ sio_data->type = it8781;
+ break;
case IT8782F_DEVID:
sio_data->type = it8782;
break;
@@ -1919,10 +1930,11 @@ 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) {
+ sio_data->type == it8781 || sio_data->type == it8782) {
/*
- * IT8721F/IT8758E, and IT8782F don't have VID pins
- * at all, not sure about the IT8728F and compatibles.
+ * IT8721F/IT8758E, IT8728F, IT8772F, IT8781F, and
+ * IT8782F don't have VID pins at all, not sure about
+ * the IT8771F.
*/
sio_data->skip_vid = 1;
} else {
@@ -2147,7 +2159,8 @@ static int it87_probe(struct platform_device *pdev)
data->in_scaled |= (1 << 8); /* in8 is Vbat */
if (sio_data->internal & (1 << 3))
data->in_scaled |= (1 << 9); /* in9 is AVCC */
- } else if (sio_data->type == it8782 || sio_data->type == it8783) {
+ } else if (sio_data->type == it8781 || sio_data->type == it8782 ||
+ sio_data->type == it8783) {
if (sio_data->internal & (1 << 0))
data->in_scaled |= (1 << 3); /* in3 is VCC5V */
if (sio_data->internal & (1 << 1))
@@ -2460,9 +2473,12 @@ static void it87_init_device(struct platform_device *pdev)
it87_write_value(data, IT87_REG_FAN_16BIT,
tmp | 0x07);
}
- /* IT8705F, IT8782F, and IT8783E/F only support three fans. */
- if (data->type != it87 && data->type != it8782 &&
- data->type != it8783) {
+ /*
+ * IT8705F, IT8781F, IT8782F, and IT8783E/F only support
+ * three fans.
+ */
+ if (data->type != it87 && data->type != it8781 &&
+ data->type != it8782 && data->type != it8783) {
if (tmp & (1 << 4))
data->has_fan |= (1 << 3); /* fan4 enabled */
if (tmp & (1 << 5))