Hi Guenter,
Thanks for the review! Here is a re-spin.
Add support for IT8603E.
Signed-off-by: Rudolf Marek <r.marek@xxxxxxxxxxxx>
Thanks
Rudolf
Index: linux-3.12/Documentation/hwmon/it87
===================================================================
--- linux-3.12.orig/Documentation/hwmon/it87 2013-11-18 23:56:09.701100351 +0100
+++ linux-3.12/Documentation/hwmon/it87 2013-11-18 23:57:00.216465289 +0100
@@ -2,6 +2,10 @@
==================
Supported chips:
+ * IT8603E
+ Prefix: 'it8603'
+ Addresses scanned: from Super I/O config space (8 I/O ports)
+ Datasheet: Not publicly available
* IT8705F
Prefix: 'it87'
Addresses scanned: from Super I/O config space (8 I/O ports)
@@ -90,7 +94,7 @@
Description
-----------
-This driver implements support for the IT8705F, IT8712F, IT8716F,
+This driver implements support for the IT8603E, IT8705F, IT8712F, IT8716F,
IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E, IT8771E, IT8772E,
IT8782F, IT8783E/F, and SiS950 chips.
@@ -129,6 +133,10 @@
The IT8728F, IT8771E, and IT8772E are considered compatible with the IT8721F,
until a datasheet becomes available (hopefully.)
+The IT8603E is a custom design, hardware monitoring part is similar to
+IT8728F. It only supports 16-bit fan mode, the full speed mode of the
+fan is not supported (value 0 of pwmX_enable).
+
Temperatures are measured in degrees Celsius. An alarm is triggered once
when the Overtemperature Shutdown limit is crossed.
@@ -145,10 +153,10 @@
maximum limit. Note that minimum in this case always means 'closest to
zero'; this is important for negative voltage measurements. All voltage
inputs can measure voltages between 0 and 4.08 volts, with a resolution of
-0.016 volt (except IT8721F/IT8758E and IT8728F: 0.012 volt.) The battery
+0.016 volt (except IT8721F/IT8758E/IT8603E and IT8728F: 0.012 volt.) The battery
voltage in8 does not have limit registers.
-On the IT8721F/IT8758E, IT8782F, and IT8783E/F, some voltage inputs are
+On the IT8721F/IT8758E/IT8603E, IT8782F, and IT8783E/F, some voltage inputs are
internal and scaled inside the chip (in7 (optional for IT8782F and IT8783E/F),
in8 and optionally in3). The driver handles this transparently so user-space
doesn't have to care.
Index: linux-3.12/drivers/hwmon/it87.c
===================================================================
--- linux-3.12.orig/drivers/hwmon/it87.c 2013-11-18 23:56:09.633101207 +0100
+++ linux-3.12/drivers/hwmon/it87.c 2013-11-18 23:59:25.998632558 +0100
@@ -10,7 +10,8 @@
* This driver supports only the Environment Controller in the IT8705F and
* similar parts. The other devices are supported by different drivers.
*
- * Supports: IT8705F Super I/O chip w/LPC interface
+ * Supports: IT8603E Super I/O chip w/LPC interface
+ * IT8705F Super I/O chip w/LPC interface
* IT8712F Super I/O chip w/LPC interface
* IT8716F Super I/O chip w/LPC interface
* IT8718F Super I/O chip w/LPC interface
@@ -64,7 +65,7 @@
#define DRVNAME "it87"
enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8771,
- it8772, it8782, it8783 };
+ it8772, it8782, it8783, it8603 };
static unsigned short force_id;
module_param(force_id, ushort, 0);
@@ -146,6 +147,7 @@
#define IT8772E_DEVID 0x8772
#define IT8782F_DEVID 0x8782
#define IT8783E_DEVID 0x8783
+#define IT8306E_DEVID 0x8603
#define IT87_ACT_REG 0x30
#define IT87_BASE_REG 0x60
@@ -315,6 +317,12 @@
| FEAT_TEMP_OLD_PECI,
.old_peci_mask = 0x4,
},
+ [it8603] = {
+ .name = "it8603",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI,
+ .peci_mask = 0x07,
+ },
};
#define has_16bit_fans(data) ((data)->features & FEAT_16BIT_FANS)
@@ -334,7 +342,7 @@
u8 revision;
u8 vid_value;
u8 beep_pin;
- u8 internal; /* Internal sensors can be labeled */
+ u16 internal; /* Internal sensors can be labeled */
/* Features skipped based on config or DMI */
u16 skip_in;
u8 skip_vid;
@@ -361,7 +369,7 @@
unsigned long last_updated; /* In jiffies */
u16 in_scaled; /* Internal voltage sensors are scaled */
- u8 in[9][3]; /* [nr][0]=in, [1]=min, [2]=max */
+ 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 */
u8 has_temp; /* Bitfield, temp sensors enabled */
@@ -578,6 +586,8 @@
7, 2);
static SENSOR_DEVICE_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 8, 0);
+static SENSOR_DEVICE_ATTR_2(in9_input, S_IRUGO, show_in, NULL, 9, 0);
+
/* 3 temperatures */
static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
@@ -734,7 +744,7 @@
{
int ctrl = data->fan_main_ctrl & (1 << nr);
- if (ctrl == 0) /* Full speed */
+ if (ctrl == 0 && data->type != it8603) /* Full speed */
return 0;
if (data->pwm_ctrl[nr] & 0x80) /* Automatic mode */
return 2;
@@ -929,6 +939,10 @@
return -EINVAL;
}
+ /* IT8603E does not have on/off mode */
+ if (val == 0 && data->type == it8603)
+ return -EINVAL;
+
mutex_lock(&data->update_lock);
if (val == 0) {
@@ -948,10 +962,13 @@
else /* Automatic mode */
data->pwm_ctrl[nr] = 0x80 | data->pwm_temp_map[nr];
it87_write_value(data, IT87_REG_PWM(nr), data->pwm_ctrl[nr]);
- /* set SmartGuardian mode */
- data->fan_main_ctrl |= (1 << nr);
- it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
- data->fan_main_ctrl);
+
+ if (data->type != it8603) {
+ /* set SmartGuardian mode */
+ data->fan_main_ctrl |= (1 << nr);
+ it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
+ data->fan_main_ctrl);
+ }
}
mutex_unlock(&data->update_lock);
@@ -1406,15 +1423,25 @@
"3VSB",
"Vbat",
};
+ static const char * const labels_it8603[] = {
+ "AVCC3",
+ "3VSB",
+ "Vbat",
+ };
struct it87_data *data = dev_get_drvdata(dev);
int nr = to_sensor_dev_attr(attr)->index;
+ if (data->type == it8603)
+ return sprintf(buf, "%s\n", labels_it8603[nr]);
+
return sprintf(buf, "%s\n", has_12mv_adc(data) ? labels_it8721[nr]
: labels[nr]);
}
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 IT8306 in9 */
+static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_label, NULL, 0);
static ssize_t show_name(struct device *dev, struct device_attribute
*devattr, char *buf)
@@ -1424,7 +1451,7 @@
}
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
-static struct attribute *it87_attributes_in[9][5] = {
+static struct attribute *it87_attributes_in[10][5] = {
{
&sensor_dev_attr_in0_input.dev_attr.attr,
&sensor_dev_attr_in0_min.dev_attr.attr,
@@ -1476,9 +1503,12 @@
}, {
&sensor_dev_attr_in8_input.dev_attr.attr,
NULL
+}, {
+ &sensor_dev_attr_in9_input.dev_attr.attr,
+ NULL
} };
-static const struct attribute_group it87_group_in[9] = {
+static const struct attribute_group it87_group_in[10] = {
{ .attrs = it87_attributes_in[0] },
{ .attrs = it87_attributes_in[1] },
{ .attrs = it87_attributes_in[2] },
@@ -1488,6 +1518,7 @@
{ .attrs = it87_attributes_in[6] },
{ .attrs = it87_attributes_in[7] },
{ .attrs = it87_attributes_in[8] },
+ { .attrs = it87_attributes_in[9] },
};
static struct attribute *it87_attributes_temp[3][6] = {
@@ -1685,6 +1716,7 @@
&sensor_dev_attr_in3_label.dev_attr.attr,
&sensor_dev_attr_in7_label.dev_attr.attr,
&sensor_dev_attr_in8_label.dev_attr.attr,
+ &sensor_dev_attr_in9_label.dev_attr.attr,
NULL
};
@@ -1742,6 +1774,9 @@
case IT8783E_DEVID:
sio_data->type = it8783;
break;
+ case IT8306E_DEVID:
+ sio_data->type = it8603;
+ break;
case 0xffff: /* No device at all */
goto exit;
default:
@@ -1763,11 +1798,13 @@
err = 0;
sio_data->revision = superio_inb(DEVREV) & 0x0f;
- pr_info("Found IT%04xF chip at 0x%x, revision %d\n",
- chip_type, *address, sio_data->revision);
+ pr_info("Found IT%04x%c chip at 0x%x, revision %d\n", chip_type,
+ chip_type == 0x8603 ? 'E' : 'F', *address,
+ sio_data->revision);
/* in8 (Vbat) is always internal */
sio_data->internal = (1 << 2);
+ sio_data->skip_in |= (1 << 9); /* No VIN9 by default */
/* Read GPIO config and VID value from LDN 7 (GPIO) */
if (sio_data->type == it87) {
@@ -1844,7 +1881,42 @@
sio_data->internal |= (1 << 1);
sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
+ } if (sio_data->type == it8603) {
+ int reg27, reg29;
+
+ sio_data->skip_vid = 1; /* No VID */
+ superio_select(GPIO);
+ reg27 = superio_inb(IT87_SIO_GPIO3_REG);
+
+ /* Check if fan3 is there or not */
+ if (reg27 & (1 << 6))
+ sio_data->skip_pwm |= (1 << 2);
+ if (reg27 & (1 << 7))
+ sio_data->skip_fan |= (1 << 2);
+
+ /* Check if fan2 is there or not */
+ reg29 = superio_inb(IT87_SIO_GPIO5_REG);
+ if (reg29 & (1 << 1))
+ sio_data->skip_pwm |= (1 << 1);
+ if (reg29 & (1 << 2))
+ sio_data->skip_fan |= (1 << 1);
+
+ sio_data->skip_in |= (1 << 5); /* No VIN5 */
+ sio_data->skip_in |= (1 << 6); /* No VIN6 */
+
+ /* no fan4 */
+ sio_data->skip_pwm |= (1 << 3);
+ sio_data->skip_fan |= (1 << 3);
+
+ /* AVCC3 needs a special handling, map 0x2f to in9 */
+ sio_data->internal |= (1 << 3); /* in9 has label */
+ sio_data->skip_in &= ~(1 << 9); /* VIN9 mapped to 0x2f */
+
+ sio_data->internal |= (1 << 1); /* in7 is VSB */
+ sio_data->internal |= (1 << 2); /* in8 is VBAT */
+
+ sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
} else {
int reg;
bool uart6;
@@ -2072,6 +2144,9 @@
/* Check PWM configuration */
enable_pwm_interface = it87_check_pwm(dev);
+ if (data->type == it8603)
+ data->in_scaled |= (1 << 9); /* in9 is AVCC3 */
+
/* Starting with IT8721F, we handle scaling of internal voltages */
if (has_12mv_adc(data)) {
if (sio_data->internal & (1 << 0))
@@ -2102,7 +2177,7 @@
if (err)
return err;
- for (i = 0; i < 9; i++) {
+ for (i = 0; i < 10; i++) {
if (sio_data->skip_in & (1 << i))
continue;
err = sysfs_create_group(&dev->kobj, &it87_group_in[i]);
@@ -2202,7 +2277,7 @@
}
/* Export labels for internal sensors */
- for (i = 0; i < 3; i++) {
+ for (i = 0; i < 4; i++) {
if (!(sio_data->internal & (1 << i)))
continue;
err = sysfs_create_file(&dev->kobj,
@@ -2383,8 +2458,8 @@
}
data->has_fan = (data->fan_main_ctrl >> 4) & 0x07;
- /* Set tachometers to 16-bit mode if needed */
- if (has_16bit_fans(data)) {
+ /* Set tachometers to 16-bit mode if needed, IT8603E/IT8728? has it by default */
+ if (has_16bit_fans(data) && data->type != it8603) {
tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
if (~tmp & 0x07 & data->has_fan) {
dev_dbg(&pdev->dev,
@@ -2462,6 +2537,10 @@
data->in[i][2] =
it87_read_value(data, IT87_REG_VIN_MAX(i));
}
+
+ if (data->type == it8603)
+ data->in[9][0] = it87_read_value(data, 0x2f);
+
/* in8 (battery) has no limit registers */
data->in[8][0] = it87_read_value(data, IT87_REG_VIN(8));
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