diff options
| -rw-r--r-- | Documentation/hwmon/it87 | 3 | ||||
| -rw-r--r-- | drivers/hwmon/it87.c | 54 |
2 files changed, 41 insertions, 16 deletions
diff --git a/Documentation/hwmon/it87 b/Documentation/hwmon/it87 index 81ecc7e41c50..5b704a40256b 100644 --- a/Documentation/hwmon/it87 +++ b/Documentation/hwmon/it87 @@ -90,7 +90,8 @@ upper VID bits share their pins with voltage inputs (in5 and in6) so you can't have both on a given board. The IT8716F, IT8718F and later IT8712F revisions have support for -2 additional fans. They are not yet supported by the driver. +2 additional fans. They are supported by the driver for the IT8716F and +IT8718F but not for the IT8712F The IT8716F and IT8718F, and late IT8712F and IT8705F also have optional 16-bit tachometer counters for fans 1 to 3. This is better (no more fan diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index 41a90e5613bc..cd741b79c178 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -141,10 +141,10 @@ static int fix_pwm_polarity; /* Monitors: 9 voltage (0 to 7, battery), 3 temp (1 to 3), 3 fan (1 to 3) */ -#define IT87_REG_FAN(nr) (0x0d + (nr)) -#define IT87_REG_FAN_MIN(nr) (0x10 + (nr)) -#define IT87_REG_FANX(nr) (0x18 + (nr)) -#define IT87_REG_FANX_MIN(nr) (0x1b + (nr)) +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 }; #define IT87_REG_FAN_MAIN_CTRL 0x13 #define IT87_REG_FAN_CTL 0x14 #define IT87_REG_PWM(nr) (0x15 + (nr)) @@ -235,8 +235,8 @@ struct it87_data { u8 in_max[8]; /* Register value */ u8 in_min[8]; /* Register value */ u8 has_fan; /* Bitfield, fans enabled */ - u16 fan[3]; /* Register values, possibly combined */ - u16 fan_min[3]; /* Register values, possibly combined */ + u16 fan[5]; /* Register values, possibly combined */ + u16 fan_min[5]; /* Register values, possibly combined */ u8 temp[3]; /* Register value */ u8 temp_high[3]; /* Register value */ u8 temp_low[3]; /* Register value */ @@ -555,7 +555,7 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, } data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); - it87_write_value(data, IT87_REG_FAN_MIN(nr), data->fan_min[nr]); + it87_write_value(data, IT87_REG_FAN_MIN[nr], data->fan_min[nr]); mutex_unlock(&data->update_lock); return count; } @@ -596,7 +596,7 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, /* Restore fan min limit */ data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); - it87_write_value(data, IT87_REG_FAN_MIN(nr), data->fan_min[nr]); + it87_write_value(data, IT87_REG_FAN_MIN[nr], data->fan_min[nr]); mutex_unlock(&data->update_lock); return count; @@ -729,9 +729,9 @@ static ssize_t set_fan16_min(struct device *dev, struct device_attribute *attr, mutex_lock(&data->update_lock); data->fan_min[nr] = FAN16_TO_REG(val); - it87_write_value(data, IT87_REG_FAN_MIN(nr), + it87_write_value(data, IT87_REG_FAN_MIN[nr], data->fan_min[nr] & 0xff); - it87_write_value(data, IT87_REG_FANX_MIN(nr), + it87_write_value(data, IT87_REG_FANX_MIN[nr], data->fan_min[nr] >> 8); mutex_unlock(&data->update_lock); return count; @@ -751,6 +751,8 @@ static struct sensor_device_attribute sensor_dev_attr_fan##offset##_min16 \ show_fan16_offset(1); show_fan16_offset(2); show_fan16_offset(3); +show_fan16_offset(4); +show_fan16_offset(5); /* Alarms */ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) @@ -851,6 +853,10 @@ static struct attribute *it87_attributes_opt[] = { &sensor_dev_attr_fan2_min16.dev_attr.attr, &sensor_dev_attr_fan3_input16.dev_attr.attr, &sensor_dev_attr_fan3_min16.dev_attr.attr, + &sensor_dev_attr_fan4_input16.dev_attr.attr, + &sensor_dev_attr_fan4_min16.dev_attr.attr, + &sensor_dev_attr_fan5_input16.dev_attr.attr, + &sensor_dev_attr_fan5_min16.dev_attr.attr, &sensor_dev_attr_fan1_input.dev_attr.attr, &sensor_dev_attr_fan1_min.dev_attr.attr, @@ -1024,6 +1030,20 @@ static int __devinit it87_probe(struct platform_device *pdev) &sensor_dev_attr_fan3_min16.dev_attr))) goto ERROR4; } + if (data->has_fan & (1 << 3)) { + if ((err = device_create_file(dev, + &sensor_dev_attr_fan4_input16.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_fan4_min16.dev_attr))) + goto ERROR4; + } + if (data->has_fan & (1 << 4)) { + if ((err = device_create_file(dev, + &sensor_dev_attr_fan5_input16.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_fan5_min16.dev_attr))) + goto ERROR4; + } } else { /* 8-bit tachometers with clock divider */ if (data->has_fan & (1 << 0)) { @@ -1260,6 +1280,10 @@ static void __devinit it87_init_device(struct platform_device *pdev) it87_write_value(data, IT87_REG_FAN_16BIT, tmp | 0x07); } + if (tmp & (1 << 4)) + data->has_fan |= (1 << 3); /* fan4 enabled */ + if (tmp & (1 << 5)) + data->has_fan |= (1 << 4); /* fan5 enabled */ } /* Set current fan mode registers and the default settings for the @@ -1314,21 +1338,21 @@ static struct it87_data *it87_update_device(struct device *dev) data->in[8] = it87_read_value(data, IT87_REG_VIN(8)); - for (i = 0; i < 3; i++) { + for (i = 0; i < 5; i++) { /* Skip disabled fans */ if (!(data->has_fan & (1 << i))) continue; data->fan_min[i] = - it87_read_value(data, IT87_REG_FAN_MIN(i)); + it87_read_value(data, IT87_REG_FAN_MIN[i]); data->fan[i] = it87_read_value(data, - IT87_REG_FAN(i)); + IT87_REG_FAN[i]); /* Add high byte if in 16-bit mode */ if (data->type == it8716 || data->type == it8718) { data->fan[i] |= it87_read_value(data, - IT87_REG_FANX(i)) << 8; + IT87_REG_FANX[i]) << 8; data->fan_min[i] |= it87_read_value(data, - IT87_REG_FANX_MIN(i)) << 8; + IT87_REG_FANX_MIN[i]) << 8; } } for (i = 0; i < 3; i++) { |