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Diffstat (limited to 'drivers/hwmon/it87.c')
-rw-r--r--drivers/hwmon/it87.c298
1 files changed, 213 insertions, 85 deletions
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 409116c52cc5..d0ee556e8ce0 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -11,6 +11,7 @@
* similar parts. The other devices are supported by different drivers.
*
* Supports: IT8603E Super I/O chip w/LPC interface
+ * IT8620E Super I/O chip w/LPC interface
* IT8623E Super I/O chip w/LPC interface
* IT8705F Super I/O chip w/LPC interface
* IT8712F Super I/O chip w/LPC interface
@@ -23,8 +24,11 @@
* 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
+ * IT8786E Super I/O chip w/LPC interface
+ * IT8790E Super I/O chip w/LPC interface
* Sis950 A clone of the IT8705F
*
* Copyright (C) 2001 Chris Gauthron
@@ -66,7 +70,7 @@
#define DRVNAME "it87"
enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8771,
- it8772, it8782, it8783, it8603 };
+ it8772, it8781, it8782, it8783, it8786, it8790, it8603, it8620 };
static unsigned short force_id;
module_param(force_id, ushort, 0);
@@ -146,15 +150,20 @@ 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 IT8786E_DEVID 0x8786
+#define IT8790E_DEVID 0x8790
#define IT8603E_DEVID 0x8603
+#define IT8620E_DEVID 0x8620
#define IT8623E_DEVID 0x8623
#define IT87_ACT_REG 0x30
#define IT87_BASE_REG 0x60
/* Logical device 7 registers (IT8712F and later) */
#define IT87_SIO_GPIO1_REG 0x25
+#define IT87_SIO_GPIO2_REG 0x26
#define IT87_SIO_GPIO3_REG 0x27
#define IT87_SIO_GPIO5_REG 0x29
#define IT87_SIO_PINX1_REG 0x2a /* Pin selection */
@@ -207,11 +216,11 @@ 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
@@ -238,6 +247,7 @@ static const u8 IT87_REG_TEMP_OFFSET[] = { 0x56, 0x57, 0x59 };
struct it87_devices {
const char *name;
+ const char * const suffix;
u16 features;
u8 peci_mask;
u8 old_peci_mask;
@@ -250,79 +260,131 @@ struct it87_devices {
#define FEAT_TEMP_OFFSET (1 << 4)
#define FEAT_TEMP_PECI (1 << 5)
#define FEAT_TEMP_OLD_PECI (1 << 6)
+#define FEAT_FAN16_CONFIG (1 << 7) /* Need to enable 16-bit fans */
+#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] = {
.name = "it87",
+ .suffix = "F",
.features = FEAT_OLD_AUTOPWM, /* may need to overwrite */
},
[it8712] = {
.name = "it8712",
- .features = FEAT_OLD_AUTOPWM, /* may need to overwrite */
+ .suffix = "F",
+ .features = FEAT_OLD_AUTOPWM | FEAT_VID,
+ /* may need to overwrite */
},
[it8716] = {
.name = "it8716",
- .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET,
+ .suffix = "F",
+ .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET | FEAT_VID
+ | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS,
},
[it8718] = {
.name = "it8718",
- .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
- | FEAT_TEMP_OLD_PECI,
+ .suffix = "F",
+ .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET | FEAT_VID
+ | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS,
.old_peci_mask = 0x4,
},
[it8720] = {
.name = "it8720",
- .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
- | FEAT_TEMP_OLD_PECI,
+ .suffix = "F",
+ .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET | FEAT_VID
+ | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS,
.old_peci_mask = 0x4,
},
[it8721] = {
.name = "it8721",
+ .suffix = "F",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI,
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI
+ | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS | FEAT_IN7_INTERNAL,
.peci_mask = 0x05,
.old_peci_mask = 0x02, /* Actually reports PCH */
},
[it8728] = {
.name = "it8728",
+ .suffix = "F",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI,
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_FIVE_FANS
+ | FEAT_IN7_INTERNAL,
.peci_mask = 0x07,
},
[it8771] = {
.name = "it8771",
+ .suffix = "E",
.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) */
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL,
+ /* PECI: guesswork */
+ /* 12mV ADC (OHM) */
+ /* 16 bit fans (OHM) */
+ /* three fans, always 16 bit (guesswork) */
.peci_mask = 0x07,
},
[it8772] = {
.name = "it8772",
+ .suffix = "E",
.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) */
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL,
+ /* PECI (coreboot) */
+ /* 12mV ADC (HWSensors4, OHM) */
+ /* 16 bit fans (HWSensors4, OHM) */
+ /* three fans, always 16 bit (datasheet) */
.peci_mask = 0x07,
},
+ [it8781] = {
+ .name = "it8781",
+ .suffix = "F",
+ .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
+ | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG,
+ .old_peci_mask = 0x4,
+ },
[it8782] = {
.name = "it8782",
+ .suffix = "F",
.features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
- | FEAT_TEMP_OLD_PECI,
+ | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG,
.old_peci_mask = 0x4,
},
[it8783] = {
.name = "it8783",
+ .suffix = "E/F",
.features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
- | FEAT_TEMP_OLD_PECI,
+ | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG,
.old_peci_mask = 0x4,
},
+ [it8786] = {
+ .name = "it8786",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL,
+ .peci_mask = 0x07,
+ },
+ [it8790] = {
+ .name = "it8790",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL,
+ .peci_mask = 0x07,
+ },
[it8603] = {
.name = "it8603",
+ .suffix = "E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
- | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI,
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL,
+ .peci_mask = 0x07,
+ },
+ [it8620] = {
+ .name = "it8620",
+ .suffix = "E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_SIX_FANS
+ | FEAT_IN7_INTERNAL,
.peci_mask = 0x07,
},
};
@@ -337,6 +399,12 @@ static const struct it87_devices it87_devices[] = {
#define has_temp_old_peci(data, nr) \
(((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 | \
+ 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;
@@ -373,7 +441,7 @@ 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) */
@@ -475,15 +543,25 @@ static int DIV_TO_REG(int val)
}
#define DIV_FROM_REG(val) (1 << (val))
+/*
+ * PWM base frequencies. The frequency has to be divided by either 128 or 256,
+ * depending on the chip type, to calculate the actual PWM frequency.
+ *
+ * Some of the chip datasheets suggest a base frequency of 51 kHz instead
+ * of 750 kHz for the slowest base frequency, resulting in a PWM frequency
+ * of 200 Hz. Sometimes both PWM frequency select registers are affected,
+ * sometimes just one. It is unknown if this is a datasheet error or real,
+ * so this is ignored for now.
+ */
static const unsigned int pwm_freq[8] = {
- 48000000 / 128,
- 24000000 / 128,
- 12000000 / 128,
- 8000000 / 128,
- 6000000 / 128,
- 3000000 / 128,
- 1500000 / 128,
- 750000 / 128,
+ 48000000,
+ 24000000,
+ 12000000,
+ 8000000,
+ 6000000,
+ 3000000,
+ 1500000,
+ 750000,
};
static int it87_probe(struct platform_device *pdev);
@@ -801,8 +879,11 @@ static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *attr,
{
struct it87_data *data = it87_update_device(dev);
int index = (data->fan_ctl >> 4) & 0x07;
+ unsigned int freq;
- return sprintf(buf, "%u\n", pwm_freq[index]);
+ freq = pwm_freq[index] / (has_newer_autopwm(data) ? 256 : 128);
+
+ return sprintf(buf, "%u\n", freq);
}
static ssize_t set_fan(struct device *dev, struct device_attribute *attr,
@@ -1024,6 +1105,9 @@ static ssize_t set_pwm_freq(struct device *dev,
if (kstrtoul(buf, 10, &val) < 0)
return -EINVAL;
+ val = clamp_val(val, 0, 1000000);
+ val *= has_newer_autopwm(data) ? 256 : 128;
+
/* Search for the nearest available frequency */
for (i = 0; i < 7; i++) {
if (val > (pwm_freq[i] + pwm_freq[i+1]) / 2)
@@ -1196,6 +1280,10 @@ 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);
@@ -1326,6 +1414,7 @@ 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);
@@ -1376,6 +1465,7 @@ 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);
@@ -1579,7 +1669,7 @@ 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,
@@ -1604,14 +1694,20 @@ 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[] = {
@@ -1693,6 +1789,7 @@ 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[] = {
@@ -1724,6 +1821,7 @@ static int __init it87_find(unsigned short *address,
int err;
u16 chip_type;
const char *board_vendor, *board_name;
+ const struct it87_devices *config;
err = superio_enter();
if (err)
@@ -1761,16 +1859,28 @@ 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;
case IT8783E_DEVID:
sio_data->type = it8783;
break;
+ case IT8786E_DEVID:
+ sio_data->type = it8786;
+ break;
+ case IT8790E_DEVID:
+ sio_data->type = it8790;
+ break;
case IT8603E_DEVID:
case IT8623E_DEVID:
sio_data->type = it8603;
break;
+ case IT8620E_DEVID:
+ sio_data->type = it8620;
+ break;
case 0xffff: /* No device at all */
goto exit;
default:
@@ -1792,30 +1902,34 @@ static int __init it87_find(unsigned short *address,
err = 0;
sio_data->revision = superio_inb(DEVREV) & 0x0f;
- pr_info("Found IT%04x%c chip at 0x%x, revision %d\n", chip_type,
- chip_type == 0x8771 || chip_type == 0x8772 ||
- chip_type == 0x8603 ? 'E' : 'F', *address,
- sio_data->revision);
+ pr_info("Found IT%04x%s chip at 0x%x, revision %d\n", chip_type,
+ it87_devices[sio_data->type].suffix,
+ *address, sio_data->revision);
+
+ config = &it87_devices[sio_data->type];
+
+ /* in7 (VSB or VCCH5V) is always internal on some chips */
+ if (has_in7_internal(config))
+ sio_data->internal |= (1 << 1);
/* in8 (Vbat) is always internal */
- sio_data->internal = (1 << 2);
+ sio_data->internal |= (1 << 2);
+
/* Only the IT8603E has in9 */
if (sio_data->type != it8603)
sio_data->skip_in |= (1 << 9);
- /* Read GPIO config and VID value from LDN 7 (GPIO) */
- if (sio_data->type == it87) {
- /* The IT8705F doesn't have VID pins at all */
+ if (!has_vid(config))
sio_data->skip_vid = 1;
+ /* Read GPIO config and VID value from LDN 7 (GPIO) */
+ if (sio_data->type == it87) {
/* The IT8705F has a different LD number for GPIO */
superio_select(5);
sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
} else if (sio_data->type == it8783) {
int reg25, reg27, reg2a, reg2c, regef;
- sio_data->skip_vid = 1; /* No VID */
-
superio_select(GPIO);
reg25 = superio_inb(IT87_SIO_GPIO1_REG);
@@ -1881,7 +1995,6 @@ static int __init it87_find(unsigned short *address,
} else 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);
@@ -1902,14 +2015,36 @@ static int __init it87_find(unsigned short *address,
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);
-
- sio_data->internal |= (1 << 1); /* in7 is VSB */
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;
+
+ superio_select(GPIO);
+
+ /* Check for fan4, fan5 */
+ reg = superio_inb(IT87_SIO_GPIO2_REG);
+ if (!(reg & (1 << 5)))
+ sio_data->skip_fan |= (1 << 3);
+ if (!(reg & (1 << 4)))
+ sio_data->skip_fan |= (1 << 4);
+
+ /* Check for pwm3, fan3 */
+ reg = superio_inb(IT87_SIO_GPIO3_REG);
+ if (reg & (1 << 6))
+ sio_data->skip_pwm |= (1 << 2);
+ if (reg & (1 << 7))
+ sio_data->skip_fan |= (1 << 2);
+
+ /* Check for pwm2, fan2 */
+ reg = superio_inb(IT87_SIO_GPIO5_REG);
+ if (reg & (1 << 1))
+ sio_data->skip_pwm |= (1 << 1);
+ if (reg & (1 << 2))
+ sio_data->skip_fan |= (1 << 1);
+
+ sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
} else {
int reg;
bool uart6;
@@ -1917,15 +2052,7 @@ static int __init it87_find(unsigned short *address,
superio_select(GPIO);
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 and compatibles.
- */
- sio_data->skip_vid = 1;
- } else {
+ if (!sio_data->skip_vid) {
/* We need at least 4 VID pins */
if (reg & 0x0f) {
pr_info("VID is disabled (pins used for GPIO)\n");
@@ -1975,10 +2102,7 @@ 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 == it8771 ||
- sio_data->type == it8772)
+ if (reg & (1 << 1))
sio_data->internal |= (1 << 1);
/*
@@ -2050,7 +2174,7 @@ 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]);
@@ -2062,7 +2186,7 @@ static void it87_remove_files(struct device *dev)
it87_attributes_fan_div[i]);
}
for (i = 0; i < 3; i++) {
- if (sio_data->skip_pwm & (1 << 0))
+ if (sio_data->skip_pwm & (1 << i))
continue;
sysfs_remove_group(&dev->kobj, &it87_group_pwm[i]);
if (has_old_autopwm(data))
@@ -2112,13 +2236,14 @@ static int it87_probe(struct platform_device *pdev)
case it87:
if (sio_data->revision >= 0x03) {
data->features &= ~FEAT_OLD_AUTOPWM;
- data->features |= FEAT_16BIT_FANS;
+ data->features |= FEAT_FAN16_CONFIG | FEAT_16BIT_FANS;
}
break;
case it8712:
if (sio_data->revision >= 0x08) {
data->features &= ~FEAT_OLD_AUTOPWM;
- data->features |= FEAT_16BIT_FANS;
+ data->features |= FEAT_FAN16_CONFIG | FEAT_16BIT_FANS |
+ FEAT_FIVE_FANS;
}
break;
default:
@@ -2147,7 +2272,8 @@ 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))
@@ -2205,7 +2331,7 @@ 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]);
@@ -2450,24 +2576,26 @@ static void it87_init_device(struct platform_device *pdev)
}
data->has_fan = (data->fan_main_ctrl >> 4) & 0x07;
- /* Set tachometers to 16-bit mode if needed, IT8603E (and IT8728F?)
- * has it by default */
- if (has_16bit_fans(data) && data->type != it8603) {
- tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
+ tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
+
+ /* Set tachometers to 16-bit mode if needed */
+ if (has_fan16_config(data)) {
if (~tmp & 0x07 & data->has_fan) {
dev_dbg(&pdev->dev,
"Setting fan1-3 to 16-bit mode\n");
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) {
- if (tmp & (1 << 4))
- data->has_fan |= (1 << 3); /* fan4 enabled */
- if (tmp & (1 << 5))
- data->has_fan |= (1 << 4); /* fan5 enabled */
- }
+ }
+
+ /* Check for additional fans */
+ if (has_five_fans(data)) {
+ 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) && (tmp & (1 << 2)))
+ data->has_fan |= (1 << 5); /* fan6 enabled */
}
/* Fan input pins may be used for alternative functions */
@@ -2535,7 +2663,7 @@ 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;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.